bfd * Makefile.am: Add entries for riscv32-elf and riscv64-elf.
* config.bdf: Likewise.
* configure.ac: Likewise.
* Makefile.in: Regenerate.
* configure: Regenerate.
* archures.c: Add bfd_riscv_arch.
* reloc.c: Add riscv relocs.
* targets.c: Add riscv_elf32_vec and riscv_elf64_vec.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
* elf-bfd.h: Add RISCV_ELF_DATA to enum elf_target_id.
* elfnn-riscv.c: New file.
* elfxx-riscv.c: New file.
* elfxx-riscv.h: New file.
binutils* readelf.c (guess_is_rela): Add EM_RISCV.
(get_machine_name): Likewise.
(dump_relocations): Add support for riscv relocations.
(get_machine_flags): Add support for riscv flags.
(is_32bit_abs_reloc): Add R_RISCV_32.
(is_64bit_abs_reloc): Add R_RISCV_64.
(is_none_reloc): Add R_RISCV_NONE.
* testsuite/binutils-all/objdump.exp (cpus_expected): Add riscv.
Expect the debug_ranges test to fail.
gas * Makefile.am: Add riscv files.
* Makefile.in: Regenerate.
* NEWS: Mention the support for this architecture.
* configure.in: Define a default architecture.
* configure: Regenerate.
* configure.tgt: Add entries for riscv.
* doc/as.texinfo: Likewise.
* testsuite/gas/all/gas.exp: Expect the redef tests to fail.
* testsuite/gas/elf/elf.exp: Expect the groupauto tests to fail.
* config/tc-riscv.c: New file.
* config/tc-riscv.h: New file.
* doc/c-riscv.texi: New file.
* testsuite/gas/riscv: New directory.
* testsuite/gas/riscv/riscv.exp: New file.
* testsuite/gas/riscv/t_insns.d: New file.
* testsuite/gas/riscv/t_insns.s: New file.
ld * Makefile.am: Add riscv files.
* Makefile.in: Regenerate.
* NEWS: Mention the support for this target.
* configure.tgt: Add riscv entries.
* emulparams/elf32lriscv-defs.sh: New file.
* emulparams/elf32lriscv.sh: New file.
* emulparams/elf64lriscv-defs.sh: New file.
* emulparams/elf64lriscv.sh: New file.
* emultempl/riscvelf.em: New file.
opcodes * configure.ac: Add entry for bfd_riscv_arch.
* configure: Regenerate.
* disassemble.c (disassembler): Add support for riscv.
(disassembler_usage): Likewise.
* riscv-dis.c: New file.
* riscv-opc.c: New file.
include * dis-asm.h: Add prototypes for print_insn_riscv and
print_riscv_disassembler_options.
* elf/riscv.h: New file.
* opcode/riscv-opc.h: New file.
* opcode/riscv.h: New file.
+2016-11-01 Palmer Dabbelt <palmer@dabbelt.com>
+ Andrew Waterman <andrew@sifive.com>
+
+ Add support for RISC-V architecture.
+ * Makefile.am: Add entries for riscv32-elf and riscv64-elf.
+ * config.bdf: Likewise.
+ * configure.ac: Likewise.
+ * Makefile.in: Regenerate.
+ * configure: Regenerate.
+ * archures.c: Add bfd_riscv_arch.
+ * reloc.c: Add riscv relocs.
+ * targets.c: Add riscv_elf32_vec and riscv_elf64_vec.
+ * bfd-in2.h: Regenerate.
+ * libbfd.h: Regenerate.
+ * elf-bfd.h: Add RISCV_ELF_DATA to enum elf_target_id.
+ * elfnn-riscv.c: New file.
+ * elfxx-riscv.c: New file.
+ * elfxx-riscv.h: New file.
+
2016-10-31 Alan Modra <amodra@gmail.com>
PR 20748
cpu-plugin.lo \
cpu-powerpc.lo \
cpu-rs6000.lo \
+ cpu-riscv.lo \
cpu-rl78.lo \
cpu-rx.lo \
cpu-s390.lo \
cpu-plugin.c \
cpu-powerpc.c \
cpu-rs6000.c \
+ cpu-riscv.c \
cpu-rl78.c \
cpu-rx.c \
cpu-s390.c \
elf64-hppa.lo \
elf64-ia64.lo \
elf64-ia64-vms.lo \
+ elfxx-ia64.lo \
+ elfn32-mips.lo \
elf64-mips.lo \
+ elfxx-mips.lo \
elf64-mmix.lo \
elf64-ppc.lo \
+ elf32-riscv.lo \
+ elf64-riscv.lo \
+ elfxx-riscv.lo \
elf64-s390.lo \
elf64-sh64.lo \
elf64-sparc.lo \
elf64-tilegx.lo \
elf64-x86-64.lo \
elf64.lo \
- elfn32-mips.lo \
- elfxx-ia64.lo \
- elfxx-mips.lo \
mach-o-aarch64.lo \
mach-o-x86-64.lo \
mmo.lo \
elfxx-aarch64.c \
elfxx-ia64.c \
elfxx-mips.c \
+ elfxx-riscv.c \
mach-o-aarch64.c \
mach-o-x86-64.c \
mmo.c \
BUILD_CFILES = \
elf32-aarch64.c elf64-aarch64.c \
- elf32-ia64.c elf64-ia64.c peigen.c pepigen.c pex64igen.c
+ elf32-ia64.c elf64-ia64.c \
+ elf32-riscv.c elf64-riscv.c \
+ peigen.c pepigen.c pex64igen.c
CFILES = $(SOURCE_CFILES) $(BUILD_CFILES)
$(SED) -e s/NN/64/g < $(srcdir)/elfnn-ia64.c > elf64-ia64.new
mv -f elf64-ia64.new elf64-ia64.c
+elf32-riscv.c : elfnn-riscv.c
+ rm -f elf32-riscv.c
+ echo "#line 1 \"$(srcdir)/elfnn-riscv.c\"" > elf32-riscv.new
+ sed -e s/NN/32/g < $(srcdir)/elfnn-riscv.c >> elf32-riscv.new
+ mv -f elf32-riscv.new elf32-riscv.c
+
+elf64-riscv.c : elfnn-riscv.c
+ rm -f elf64-riscv.c
+ echo "#line 1 \"$(srcdir)/elfnn-riscv.c\"" > elf64-riscv.new
+ sed -e s/NN/64/g < $(srcdir)/elfnn-riscv.c >> elf64-riscv.new
+ mv -f elf64-riscv.new elf64-riscv.c
+
peigen.c : peXXigen.c
rm -f peigen.c
$(SED) -e s/XX/pe/g < $(srcdir)/peXXigen.c > peigen.new
cpu-plugin.lo \
cpu-powerpc.lo \
cpu-rs6000.lo \
+ cpu-riscv.lo \
cpu-rl78.lo \
cpu-rx.lo \
cpu-s390.lo \
cpu-plugin.c \
cpu-powerpc.c \
cpu-rs6000.c \
+ cpu-riscv.c \
cpu-rl78.c \
cpu-rx.c \
cpu-s390.c \
elf64-hppa.lo \
elf64-ia64.lo \
elf64-ia64-vms.lo \
+ elfxx-ia64.lo \
+ elfn32-mips.lo \
elf64-mips.lo \
+ elfxx-mips.lo \
elf64-mmix.lo \
elf64-ppc.lo \
+ elf32-riscv.lo \
+ elf64-riscv.lo \
+ elfxx-riscv.lo \
elf64-s390.lo \
elf64-sh64.lo \
elf64-sparc.lo \
elf64-tilegx.lo \
elf64-x86-64.lo \
elf64.lo \
- elfn32-mips.lo \
- elfxx-ia64.lo \
- elfxx-mips.lo \
mach-o-aarch64.lo \
mach-o-x86-64.lo \
mmo.lo \
elfxx-aarch64.c \
elfxx-ia64.c \
elfxx-mips.c \
+ elfxx-riscv.c \
mach-o-aarch64.c \
mach-o-x86-64.c \
mmo.c \
BUILD_CFILES = \
elf32-aarch64.c elf64-aarch64.c \
- elf32-ia64.c elf64-ia64.c peigen.c pepigen.c pex64igen.c
+ elf32-ia64.c elf64-ia64.c \
+ elf32-riscv.c elf64-riscv.c \
+ peigen.c pepigen.c pex64igen.c
CFILES = $(SOURCE_CFILES) $(BUILD_CFILES)
SOURCE_HFILES = \
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-pj.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-plugin.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-powerpc.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-riscv.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-rl78.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-rs6000.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-rx.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-or1k.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-pj.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-ppc.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-riscv.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-rl78.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-rx.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-s390.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-mips.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-mmix.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-ppc.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-riscv.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-s390.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-sh64.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-sparc.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-aarch64.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-ia64.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-mips.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-riscv.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-sparc.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elfxx-tilegx.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/epoc-pe-arm.Plo@am__quote@
$(SED) -e s/NN/64/g < $(srcdir)/elfnn-ia64.c > elf64-ia64.new
mv -f elf64-ia64.new elf64-ia64.c
+elf32-riscv.c : elfnn-riscv.c
+ rm -f elf32-riscv.c
+ echo "#line 1 \"$(srcdir)/elfnn-riscv.c\"" > elf32-riscv.new
+ sed -e s/NN/32/g < $(srcdir)/elfnn-riscv.c >> elf32-riscv.new
+ mv -f elf32-riscv.new elf32-riscv.c
+
+elf64-riscv.c : elfnn-riscv.c
+ rm -f elf64-riscv.c
+ echo "#line 1 \"$(srcdir)/elfnn-riscv.c\"" > elf64-riscv.new
+ sed -e s/NN/64/g < $(srcdir)/elfnn-riscv.c >> elf64-riscv.new
+ mv -f elf64-riscv.new elf64-riscv.c
+
peigen.c : peXXigen.c
rm -f peigen.c
$(SED) -e s/XX/pe/g < $(srcdir)/peXXigen.c > peigen.new
.#define bfd_mach_cris_v0_v10 255
.#define bfd_mach_cris_v32 32
.#define bfd_mach_cris_v10_v32 1032
+. bfd_arch_riscv,
+.#define bfd_mach_riscv32 132
+.#define bfd_mach_riscv64 164
. bfd_arch_rl78,
.#define bfd_mach_rl78 0x75
. bfd_arch_rx, {* Renesas RX. *}
extern const bfd_arch_info_type bfd_plugin_arch;
extern const bfd_arch_info_type bfd_powerpc_archs[];
#define bfd_powerpc_arch bfd_powerpc_archs[0]
+extern const bfd_arch_info_type bfd_riscv_arch;
extern const bfd_arch_info_type bfd_rs6000_arch;
extern const bfd_arch_info_type bfd_rl78_arch;
extern const bfd_arch_info_type bfd_rx_arch;
&bfd_or1k_arch,
&bfd_pdp11_arch,
&bfd_powerpc_arch,
- &bfd_rs6000_arch,
+ &bfd_riscv_arch,
&bfd_rl78_arch,
+ &bfd_rs6000_arch,
&bfd_rx_arch,
&bfd_s390_arch,
&bfd_score_arch,
#define bfd_mach_cris_v0_v10 255
#define bfd_mach_cris_v32 32
#define bfd_mach_cris_v10_v32 1032
+ bfd_arch_riscv,
+#define bfd_mach_riscv32 132
+#define bfd_mach_riscv64 164
bfd_arch_rl78,
#define bfd_mach_rl78 0x75
bfd_arch_rx, /* Renesas RX. */
number for the SBIC, SBIS, SBI and CBI instructions */
BFD_RELOC_AVR_PORT5,
+/* RISC-V relocations. */
+ BFD_RELOC_RISCV_HI20,
+ BFD_RELOC_RISCV_PCREL_HI20,
+ BFD_RELOC_RISCV_PCREL_LO12_I,
+ BFD_RELOC_RISCV_PCREL_LO12_S,
+ BFD_RELOC_RISCV_LO12_I,
+ BFD_RELOC_RISCV_LO12_S,
+ BFD_RELOC_RISCV_GPREL12_I,
+ BFD_RELOC_RISCV_GPREL12_S,
+ BFD_RELOC_RISCV_TPREL_HI20,
+ BFD_RELOC_RISCV_TPREL_LO12_I,
+ BFD_RELOC_RISCV_TPREL_LO12_S,
+ BFD_RELOC_RISCV_TPREL_ADD,
+ BFD_RELOC_RISCV_CALL,
+ BFD_RELOC_RISCV_CALL_PLT,
+ BFD_RELOC_RISCV_ADD8,
+ BFD_RELOC_RISCV_ADD16,
+ BFD_RELOC_RISCV_ADD32,
+ BFD_RELOC_RISCV_ADD64,
+ BFD_RELOC_RISCV_SUB8,
+ BFD_RELOC_RISCV_SUB16,
+ BFD_RELOC_RISCV_SUB32,
+ BFD_RELOC_RISCV_SUB64,
+ BFD_RELOC_RISCV_GOT_HI20,
+ BFD_RELOC_RISCV_TLS_GOT_HI20,
+ BFD_RELOC_RISCV_TLS_GD_HI20,
+ BFD_RELOC_RISCV_JMP,
+ BFD_RELOC_RISCV_TLS_DTPMOD32,
+ BFD_RELOC_RISCV_TLS_DTPREL32,
+ BFD_RELOC_RISCV_TLS_DTPMOD64,
+ BFD_RELOC_RISCV_TLS_DTPREL64,
+ BFD_RELOC_RISCV_TLS_TPREL32,
+ BFD_RELOC_RISCV_TLS_TPREL64,
+ BFD_RELOC_RISCV_ALIGN,
+ BFD_RELOC_RISCV_RVC_BRANCH,
+ BFD_RELOC_RISCV_RVC_JUMP,
+ BFD_RELOC_RISCV_RVC_LUI,
+ BFD_RELOC_RISCV_GPREL_I,
+ BFD_RELOC_RISCV_GPREL_S,
+
/* Renesas RL78 Relocations. */
BFD_RELOC_RL78_NEG8,
BFD_RELOC_RL78_NEG16,
pdp11*) targ_archs=bfd_pdp11_arch ;;
pj*) targ_archs="bfd_pj_arch bfd_i386_arch";;
powerpc*) targ_archs="bfd_rs6000_arch bfd_powerpc_arch" ;;
+riscv*) targ_archs=bfd_riscv_arch ;;
rs6000) targ_archs="bfd_rs6000_arch bfd_powerpc_arch" ;;
s390*) targ_archs=bfd_s390_arch ;;
sh*) targ_archs=bfd_sh_arch ;;
targ_selvecs="powerpc_pei_le_vec powerpc_pei_vec powerpc_pe_le_vec powerpc_pe_vec"
;;
+#ifdef BFD64
+ riscv32-*-*)
+ targ_defvec=riscv_elf32_vec
+ targ_selvecs="riscv_elf32_vec"
+ want64=true
+ ;;
+
+ riscv64-*-*)
+ targ_defvec=riscv_elf64_vec
+ targ_selvecs="riscv_elf32_vec riscv_elf64_vec"
+ want64=true
+ ;;
+#endif
+
rl78-*-elf)
targ_defvec=rl78_elf32_vec
;;
powerpc_pei_vec) tb="$tb pei-ppc.lo peigen.lo $coff" ;;
powerpc_pei_le_vec) tb="$tb pei-ppc.lo peigen.lo $coff" ;;
powerpc_xcoff_vec) tb="$tb coff-rs6000.lo $xcoff" ;;
+ riscv_elf32_vec) tb="$tb elf32-riscv.lo elfxx-riscv.lo elf32.lo $elf" ;;
+ riscv_elf64_vec) tb="$tb elf64-riscv.lo elf64.lo elfxx-riscv.lo elf32.lo $elf"; target_size=64 ;;
rl78_elf32_vec) tb="$tb elf32-rl78.lo elf32.lo $elf" ;;
rs6000_xcoff64_vec) tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;;
rs6000_xcoff64_aix_vec) tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;;
powerpc_pei_vec) tb="$tb pei-ppc.lo peigen.lo $coff" ;;
powerpc_pei_le_vec) tb="$tb pei-ppc.lo peigen.lo $coff" ;;
powerpc_xcoff_vec) tb="$tb coff-rs6000.lo $xcoff" ;;
+ riscv_elf32_vec) tb="$tb elf32-riscv.lo elfxx-riscv.lo elf32.lo $elf" ;;
+ riscv_elf64_vec) tb="$tb elf64-riscv.lo elf64.lo elfxx-riscv.lo elf32.lo $elf"; target_size=64 ;;
rl78_elf32_vec) tb="$tb elf32-rl78.lo elf32.lo $elf" ;;
rs6000_xcoff64_vec) tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;;
rs6000_xcoff64_aix_vec) tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;;
--- /dev/null
+/* BFD backend for RISC-V
+ Copyright 2011-2016 Free Software Foundation, Inc.
+
+ Contributed by Andrew Waterman (andrew@sifive.com).
+ Based on MIPS target.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+
+/* This routine is provided two arch_infos and returns an arch_info
+ that is compatible with both, or NULL if none exists. */
+
+static const bfd_arch_info_type *
+riscv_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)
+{
+ if (a->arch != b->arch)
+ return NULL;
+
+ /* Machine compatibility is checked in
+ _bfd_riscv_elf_merge_private_bfd_data. */
+
+ return a;
+}
+
+#define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT) \
+ { \
+ BITS_WORD, /* bits in a word */ \
+ BITS_ADDR, /* bits in an address */ \
+ 8, /* 8 bits in a byte */ \
+ bfd_arch_riscv, \
+ NUMBER, \
+ "riscv", \
+ PRINT, \
+ 3, \
+ DEFAULT, \
+ riscv_compatible, \
+ bfd_default_scan, \
+ bfd_arch_default_fill, \
+ NEXT, \
+ }
+
+/* This enum must be kept in the same order as arch_info_struct. */
+enum
+{
+ I_riscv64,
+ I_riscv32
+};
+
+#define NN(index) (&arch_info_struct[(index) + 1])
+
+/* This array must be kept in the same order as the anonymous enum above,
+ and each entry except the last should end with NN (my enum value). */
+static const bfd_arch_info_type arch_info_struct[] =
+{
+ N (64, 64, bfd_mach_riscv64, "riscv:rv64", FALSE, NN (I_riscv64)),
+ N (32, 32, bfd_mach_riscv32, "riscv:rv32", FALSE, 0)
+};
+
+/* The default architecture is riscv:rv64. */
+
+const bfd_arch_info_type bfd_riscv_arch =
+ N (64, 64, 0, "riscv", TRUE, &arch_info_struct[0]);
XGATE_ELF_DATA,
TILEGX_ELF_DATA,
TILEPRO_ELF_DATA,
+ RISCV_ELF_DATA,
GENERIC_ELF_DATA
};
--- /dev/null
+/* RISC-V-specific support for NN-bit ELF.
+ Copyright 2011-2016 Free Software Foundation, Inc.
+
+ Contributed by Andrew Waterman (andrew@sifive.com).
+ Based on TILE-Gx and MIPS targets.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+/* This file handles RISC-V ELF targets. */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "bfdlink.h"
+#include "genlink.h"
+#include "elf-bfd.h"
+#include "elfxx-riscv.h"
+#include "elf/riscv.h"
+#include "opcode/riscv.h"
+
+#define ARCH_SIZE NN
+
+#define MINUS_ONE ((bfd_vma)0 - 1)
+
+#define RISCV_ELF_LOG_WORD_BYTES (ARCH_SIZE == 32 ? 2 : 3)
+
+#define RISCV_ELF_WORD_BYTES (1 << RISCV_ELF_LOG_WORD_BYTES)
+
+/* The name of the dynamic interpreter. This is put in the .interp
+ section. */
+
+#define ELF64_DYNAMIC_INTERPRETER "/lib/ld.so.1"
+#define ELF32_DYNAMIC_INTERPRETER "/lib32/ld.so.1"
+
+#define ELF_ARCH bfd_arch_riscv
+#define ELF_TARGET_ID RISCV_ELF_DATA
+#define ELF_MACHINE_CODE EM_RISCV
+#define ELF_MAXPAGESIZE 0x1000
+#define ELF_COMMONPAGESIZE 0x1000
+
+/* The RISC-V linker needs to keep track of the number of relocs that it
+ decides to copy as dynamic relocs in check_relocs for each symbol.
+ This is so that it can later discard them if they are found to be
+ unnecessary. We store the information in a field extending the
+ regular ELF linker hash table. */
+
+struct riscv_elf_dyn_relocs
+{
+ struct riscv_elf_dyn_relocs *next;
+
+ /* The input section of the reloc. */
+ asection *sec;
+
+ /* Total number of relocs copied for the input section. */
+ bfd_size_type count;
+
+ /* Number of pc-relative relocs copied for the input section. */
+ bfd_size_type pc_count;
+};
+
+/* RISC-V ELF linker hash entry. */
+
+struct riscv_elf_link_hash_entry
+{
+ struct elf_link_hash_entry elf;
+
+ /* Track dynamic relocs copied for this symbol. */
+ struct riscv_elf_dyn_relocs *dyn_relocs;
+
+#define GOT_UNKNOWN 0
+#define GOT_NORMAL 1
+#define GOT_TLS_GD 2
+#define GOT_TLS_IE 4
+#define GOT_TLS_LE 8
+ char tls_type;
+};
+
+#define riscv_elf_hash_entry(ent) \
+ ((struct riscv_elf_link_hash_entry *)(ent))
+
+struct _bfd_riscv_elf_obj_tdata
+{
+ struct elf_obj_tdata root;
+
+ /* tls_type for each local got entry. */
+ char *local_got_tls_type;
+};
+
+#define _bfd_riscv_elf_tdata(abfd) \
+ ((struct _bfd_riscv_elf_obj_tdata *) (abfd)->tdata.any)
+
+#define _bfd_riscv_elf_local_got_tls_type(abfd) \
+ (_bfd_riscv_elf_tdata (abfd)->local_got_tls_type)
+
+#define _bfd_riscv_elf_tls_type(abfd, h, symndx) \
+ (*((h) != NULL ? &riscv_elf_hash_entry (h)->tls_type \
+ : &_bfd_riscv_elf_local_got_tls_type (abfd) [symndx]))
+
+#define is_riscv_elf(bfd) \
+ (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
+ && elf_tdata (bfd) != NULL \
+ && elf_object_id (bfd) == RISCV_ELF_DATA)
+
+#include "elf/common.h"
+#include "elf/internal.h"
+
+struct riscv_elf_link_hash_table
+{
+ struct elf_link_hash_table elf;
+
+ /* Short-cuts to get to dynamic linker sections. */
+ asection *sdynbss;
+ asection *srelbss;
+ asection *sdyntdata;
+
+ /* Small local sym to section mapping cache. */
+ struct sym_cache sym_cache;
+};
+
+
+/* Get the RISC-V ELF linker hash table from a link_info structure. */
+#define riscv_elf_hash_table(p) \
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == RISCV_ELF_DATA ? ((struct riscv_elf_link_hash_table *) ((p)->hash)) : NULL)
+
+static void
+riscv_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
+{
+ cache_ptr->howto = riscv_elf_rtype_to_howto (ELFNN_R_TYPE (dst->r_info));
+}
+
+static void
+riscv_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
+{
+ const struct elf_backend_data *bed;
+ bfd_byte *loc;
+
+ bed = get_elf_backend_data (abfd);
+ loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
+ bed->s->swap_reloca_out (abfd, rel, loc);
+}
+
+/* PLT/GOT stuff. */
+
+#define PLT_HEADER_INSNS 8
+#define PLT_ENTRY_INSNS 4
+#define PLT_HEADER_SIZE (PLT_HEADER_INSNS * 4)
+#define PLT_ENTRY_SIZE (PLT_ENTRY_INSNS * 4)
+
+#define GOT_ENTRY_SIZE RISCV_ELF_WORD_BYTES
+
+#define GOTPLT_HEADER_SIZE (2 * GOT_ENTRY_SIZE)
+
+#define sec_addr(sec) ((sec)->output_section->vma + (sec)->output_offset)
+
+static bfd_vma
+riscv_elf_got_plt_val (bfd_vma plt_index, struct bfd_link_info *info)
+{
+ return sec_addr (riscv_elf_hash_table (info)->elf.sgotplt)
+ + GOTPLT_HEADER_SIZE + (plt_index * GOT_ENTRY_SIZE);
+}
+
+#if ARCH_SIZE == 32
+# define MATCH_LREG MATCH_LW
+#else
+# define MATCH_LREG MATCH_LD
+#endif
+
+/* Generate a PLT header. */
+
+static void
+riscv_make_plt_header (bfd_vma gotplt_addr, bfd_vma addr, uint32_t *entry)
+{
+ bfd_vma gotplt_offset_high = RISCV_PCREL_HIGH_PART (gotplt_addr, addr);
+ bfd_vma gotplt_offset_low = RISCV_PCREL_LOW_PART (gotplt_addr, addr);
+
+ /* auipc t2, %hi(.got.plt)
+ sub t1, t1, t3 # shifted .got.plt offset + hdr size + 12
+ l[w|d] t3, %lo(.got.plt)(t2) # _dl_runtime_resolve
+ addi t1, t1, -(hdr size + 12) # shifted .got.plt offset
+ addi t0, t2, %lo(.got.plt) # &.got.plt
+ srli t1, t1, log2(16/PTRSIZE) # .got.plt offset
+ l[w|d] t0, PTRSIZE(t0) # link map
+ jr t3 */
+
+ entry[0] = RISCV_UTYPE (AUIPC, X_T2, gotplt_offset_high);
+ entry[1] = RISCV_RTYPE (SUB, X_T1, X_T1, X_T3);
+ entry[2] = RISCV_ITYPE (LREG, X_T3, X_T2, gotplt_offset_low);
+ entry[3] = RISCV_ITYPE (ADDI, X_T1, X_T1, -(PLT_HEADER_SIZE + 12));
+ entry[4] = RISCV_ITYPE (ADDI, X_T0, X_T2, gotplt_offset_low);
+ entry[5] = RISCV_ITYPE (SRLI, X_T1, X_T1, 4 - RISCV_ELF_LOG_WORD_BYTES);
+ entry[6] = RISCV_ITYPE (LREG, X_T0, X_T0, RISCV_ELF_WORD_BYTES);
+ entry[7] = RISCV_ITYPE (JALR, 0, X_T3, 0);
+}
+
+/* Generate a PLT entry. */
+
+static void
+riscv_make_plt_entry (bfd_vma got, bfd_vma addr, uint32_t *entry)
+{
+ /* auipc t3, %hi(.got.plt entry)
+ l[w|d] t3, %lo(.got.plt entry)(t3)
+ jalr t1, t3
+ nop */
+
+ entry[0] = RISCV_UTYPE (AUIPC, X_T3, RISCV_PCREL_HIGH_PART (got, addr));
+ entry[1] = RISCV_ITYPE (LREG, X_T3, X_T3, RISCV_PCREL_LOW_PART(got, addr));
+ entry[2] = RISCV_ITYPE (JALR, X_T1, X_T3, 0);
+ entry[3] = RISCV_NOP;
+}
+
+/* Create an entry in an RISC-V ELF linker hash table. */
+
+static struct bfd_hash_entry *
+link_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table, const char *string)
+{
+ /* Allocate the structure if it has not already been allocated by a
+ subclass. */
+ if (entry == NULL)
+ {
+ entry =
+ bfd_hash_allocate (table,
+ sizeof (struct riscv_elf_link_hash_entry));
+ if (entry == NULL)
+ return entry;
+ }
+
+ /* Call the allocation method of the superclass. */
+ entry = _bfd_elf_link_hash_newfunc (entry, table, string);
+ if (entry != NULL)
+ {
+ struct riscv_elf_link_hash_entry *eh;
+
+ eh = (struct riscv_elf_link_hash_entry *) entry;
+ eh->dyn_relocs = NULL;
+ eh->tls_type = GOT_UNKNOWN;
+ }
+
+ return entry;
+}
+
+/* Create a RISC-V ELF linker hash table. */
+
+static struct bfd_link_hash_table *
+riscv_elf_link_hash_table_create (bfd *abfd)
+{
+ struct riscv_elf_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct riscv_elf_link_hash_table);
+
+ ret = (struct riscv_elf_link_hash_table *) bfd_zmalloc (amt);
+ if (ret == NULL)
+ return NULL;
+
+ if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
+ sizeof (struct riscv_elf_link_hash_entry),
+ RISCV_ELF_DATA))
+ {
+ free (ret);
+ return NULL;
+ }
+
+ return &ret->elf.root;
+}
+
+/* Create the .got section. */
+
+static bfd_boolean
+riscv_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
+{
+ flagword flags;
+ asection *s, *s_got;
+ struct elf_link_hash_entry *h;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ struct elf_link_hash_table *htab = elf_hash_table (info);
+
+ /* This function may be called more than once. */
+ s = bfd_get_linker_section (abfd, ".got");
+ if (s != NULL)
+ return TRUE;
+
+ flags = bed->dynamic_sec_flags;
+
+ s = bfd_make_section_anyway_with_flags (abfd,
+ (bed->rela_plts_and_copies_p
+ ? ".rela.got" : ".rel.got"),
+ (bed->dynamic_sec_flags
+ | SEC_READONLY));
+ if (s == NULL
+ || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
+ return FALSE;
+ htab->srelgot = s;
+
+ s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
+ if (s == NULL
+ || !bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
+ return FALSE;
+ htab->sgot = s;
+
+ /* The first bit of the global offset table is the header. */
+ s->size += bed->got_header_size;
+
+ if (bed->want_got_plt)
+ {
+ s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
+ if (s == NULL
+ || !bfd_set_section_alignment (abfd, s,
+ bed->s->log_file_align))
+ return FALSE;
+ htab->sgotplt = s;
+
+ /* Reserve room for the header. */
+ s->size += GOTPLT_HEADER_SIZE;
+ }
+
+ if (bed->want_got_sym)
+ {
+ /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
+ section. We don't do this in the linker script because we don't want
+ to define the symbol if we are not creating a global offset
+ table. */
+ h = _bfd_elf_define_linkage_sym (abfd, info, s_got,
+ "_GLOBAL_OFFSET_TABLE_");
+ elf_hash_table (info)->hgot = h;
+ if (h == NULL)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
+ .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
+ hash table. */
+
+static bfd_boolean
+riscv_elf_create_dynamic_sections (bfd *dynobj,
+ struct bfd_link_info *info)
+{
+ struct riscv_elf_link_hash_table *htab;
+
+ htab = riscv_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
+ if (!riscv_elf_create_got_section (dynobj, info))
+ return FALSE;
+
+ if (!_bfd_elf_create_dynamic_sections (dynobj, info))
+ return FALSE;
+
+ htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
+ if (!bfd_link_pic (info))
+ {
+ htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
+ htab->sdyntdata =
+ bfd_make_section_anyway_with_flags (dynobj, ".tdata.dyn",
+ SEC_ALLOC | SEC_THREAD_LOCAL);
+ }
+
+ if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
+ || (!bfd_link_pic (info) && (!htab->srelbss || !htab->sdyntdata)))
+ abort ();
+
+ return TRUE;
+}
+
+/* Copy the extra info we tack onto an elf_link_hash_entry. */
+
+static void
+riscv_elf_copy_indirect_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *dir,
+ struct elf_link_hash_entry *ind)
+{
+ struct riscv_elf_link_hash_entry *edir, *eind;
+
+ edir = (struct riscv_elf_link_hash_entry *) dir;
+ eind = (struct riscv_elf_link_hash_entry *) ind;
+
+ if (eind->dyn_relocs != NULL)
+ {
+ if (edir->dyn_relocs != NULL)
+ {
+ struct riscv_elf_dyn_relocs **pp;
+ struct riscv_elf_dyn_relocs *p;
+
+ /* Add reloc counts against the indirect sym to the direct sym
+ list. Merge any entries against the same section. */
+ for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
+ {
+ struct riscv_elf_dyn_relocs *q;
+
+ for (q = edir->dyn_relocs; q != NULL; q = q->next)
+ if (q->sec == p->sec)
+ {
+ q->pc_count += p->pc_count;
+ q->count += p->count;
+ *pp = p->next;
+ break;
+ }
+ if (q == NULL)
+ pp = &p->next;
+ }
+ *pp = edir->dyn_relocs;
+ }
+
+ edir->dyn_relocs = eind->dyn_relocs;
+ eind->dyn_relocs = NULL;
+ }
+
+ if (ind->root.type == bfd_link_hash_indirect
+ && dir->got.refcount <= 0)
+ {
+ edir->tls_type = eind->tls_type;
+ eind->tls_type = GOT_UNKNOWN;
+ }
+ _bfd_elf_link_hash_copy_indirect (info, dir, ind);
+}
+
+static bfd_boolean
+riscv_elf_record_tls_type (bfd *abfd, struct elf_link_hash_entry *h,
+ unsigned long symndx, char tls_type)
+{
+ char *new_tls_type = &_bfd_riscv_elf_tls_type (abfd, h, symndx);
+
+ *new_tls_type |= tls_type;
+ if ((*new_tls_type & GOT_NORMAL) && (*new_tls_type & ~GOT_NORMAL))
+ {
+ (*_bfd_error_handler)
+ (_("%B: `%s' accessed both as normal and thread local symbol"),
+ abfd, h ? h->root.root.string : "<local>");
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static bfd_boolean
+riscv_elf_record_got_reference (bfd *abfd, struct bfd_link_info *info,
+ struct elf_link_hash_entry *h, long symndx)
+{
+ struct riscv_elf_link_hash_table *htab = riscv_elf_hash_table (info);
+ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+
+ if (htab->elf.sgot == NULL)
+ {
+ if (!riscv_elf_create_got_section (htab->elf.dynobj, info))
+ return FALSE;
+ }
+
+ if (h != NULL)
+ {
+ h->got.refcount += 1;
+ return TRUE;
+ }
+
+ /* This is a global offset table entry for a local symbol. */
+ if (elf_local_got_refcounts (abfd) == NULL)
+ {
+ bfd_size_type size = symtab_hdr->sh_info * (sizeof (bfd_vma) + 1);
+ if (!(elf_local_got_refcounts (abfd) = bfd_zalloc (abfd, size)))
+ return FALSE;
+ _bfd_riscv_elf_local_got_tls_type (abfd)
+ = (char *) (elf_local_got_refcounts (abfd) + symtab_hdr->sh_info);
+ }
+ elf_local_got_refcounts (abfd) [symndx] += 1;
+
+ return TRUE;
+}
+
+static bfd_boolean
+bad_static_reloc (bfd *abfd, unsigned r_type, struct elf_link_hash_entry *h)
+{
+ (*_bfd_error_handler)
+ (_("%B: relocation %s against `%s' can not be used when making a shared "
+ "object; recompile with -fPIC"),
+ abfd, riscv_elf_rtype_to_howto (r_type)->name,
+ h != NULL ? h->root.root.string : "a local symbol");
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+}
+/* Look through the relocs for a section during the first phase, and
+ allocate space in the global offset table or procedure linkage
+ table. */
+
+static bfd_boolean
+riscv_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
+ asection *sec, const Elf_Internal_Rela *relocs)
+{
+ struct riscv_elf_link_hash_table *htab;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ const Elf_Internal_Rela *rel;
+ asection *sreloc = NULL;
+
+ if (bfd_link_relocatable (info))
+ return TRUE;
+
+ htab = riscv_elf_hash_table (info);
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+
+ if (htab->elf.dynobj == NULL)
+ htab->elf.dynobj = abfd;
+
+ for (rel = relocs; rel < relocs + sec->reloc_count; rel++)
+ {
+ unsigned int r_type;
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+
+ r_symndx = ELFNN_R_SYM (rel->r_info);
+ r_type = ELFNN_R_TYPE (rel->r_info);
+
+ if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
+ {
+ (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
+ abfd, r_symndx);
+ return FALSE;
+ }
+
+ if (r_symndx < symtab_hdr->sh_info)
+ h = NULL;
+ else
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ h->root.non_ir_ref = 1;
+ }
+
+ switch (r_type)
+ {
+ case R_RISCV_TLS_GD_HI20:
+ if (!riscv_elf_record_got_reference (abfd, info, h, r_symndx)
+ || !riscv_elf_record_tls_type (abfd, h, r_symndx, GOT_TLS_GD))
+ return FALSE;
+ break;
+
+ case R_RISCV_TLS_GOT_HI20:
+ if (bfd_link_pic (info))
+ info->flags |= DF_STATIC_TLS;
+ if (!riscv_elf_record_got_reference (abfd, info, h, r_symndx)
+ || !riscv_elf_record_tls_type (abfd, h, r_symndx, GOT_TLS_IE))
+ return FALSE;
+ break;
+
+ case R_RISCV_GOT_HI20:
+ if (!riscv_elf_record_got_reference (abfd, info, h, r_symndx)
+ || !riscv_elf_record_tls_type (abfd, h, r_symndx, GOT_NORMAL))
+ return FALSE;
+ break;
+
+ case R_RISCV_CALL_PLT:
+ /* This symbol requires a procedure linkage table entry. We
+ actually build the entry in adjust_dynamic_symbol,
+ because this might be a case of linking PIC code without
+ linking in any dynamic objects, in which case we don't
+ need to generate a procedure linkage table after all. */
+
+ if (h != NULL)
+ {
+ h->needs_plt = 1;
+ h->plt.refcount += 1;
+ }
+ break;
+
+ case R_RISCV_CALL:
+ case R_RISCV_JAL:
+ case R_RISCV_BRANCH:
+ case R_RISCV_RVC_BRANCH:
+ case R_RISCV_RVC_JUMP:
+ case R_RISCV_PCREL_HI20:
+ /* In shared libraries, these relocs are known to bind locally. */
+ if (bfd_link_pic (info))
+ break;
+ goto static_reloc;
+
+ case R_RISCV_TPREL_HI20:
+ if (!bfd_link_executable (info))
+ return bad_static_reloc (abfd, r_type, h);
+ if (h != NULL)
+ riscv_elf_record_tls_type (abfd, h, r_symndx, GOT_TLS_LE);
+ goto static_reloc;
+
+ case R_RISCV_HI20:
+ if (bfd_link_pic (info))
+ return bad_static_reloc (abfd, r_type, h);
+ /* Fall through. */
+
+ case R_RISCV_COPY:
+ case R_RISCV_JUMP_SLOT:
+ case R_RISCV_RELATIVE:
+ case R_RISCV_64:
+ case R_RISCV_32:
+ /* Fall through. */
+
+ static_reloc:
+ /* This reloc might not bind locally. */
+ if (h != NULL)
+ h->non_got_ref = 1;
+
+ if (h != NULL && !bfd_link_pic (info))
+ {
+ /* We may need a .plt entry if the function this reloc
+ refers to is in a shared lib. */
+ h->plt.refcount += 1;
+ }
+
+ /* If we are creating a shared library, and this is a reloc
+ against a global symbol, or a non PC relative reloc
+ against a local symbol, then we need to copy the reloc
+ into the shared library. However, if we are linking with
+ -Bsymbolic, we do not need to copy a reloc against a
+ global symbol which is defined in an object we are
+ including in the link (i.e., DEF_REGULAR is set). At
+ this point we have not seen all the input files, so it is
+ possible that DEF_REGULAR is not set now but will be set
+ later (it is never cleared). In case of a weak definition,
+ DEF_REGULAR may be cleared later by a strong definition in
+ a shared library. We account for that possibility below by
+ storing information in the relocs_copied field of the hash
+ table entry. A similar situation occurs when creating
+ shared libraries and symbol visibility changes render the
+ symbol local.
+
+ If on the other hand, we are creating an executable, we
+ may need to keep relocations for symbols satisfied by a
+ dynamic library if we manage to avoid copy relocs for the
+ symbol. */
+ if ((bfd_link_pic (info)
+ && (sec->flags & SEC_ALLOC) != 0
+ && (! riscv_elf_rtype_to_howto (r_type)->pc_relative
+ || (h != NULL
+ && (! info->symbolic
+ || h->root.type == bfd_link_hash_defweak
+ || !h->def_regular))))
+ || (!bfd_link_pic (info)
+ && (sec->flags & SEC_ALLOC) != 0
+ && h != NULL
+ && (h->root.type == bfd_link_hash_defweak
+ || !h->def_regular)))
+ {
+ struct riscv_elf_dyn_relocs *p;
+ struct riscv_elf_dyn_relocs **head;
+
+ /* When creating a shared object, we must copy these
+ relocs into the output file. We create a reloc
+ section in dynobj and make room for the reloc. */
+ if (sreloc == NULL)
+ {
+ sreloc = _bfd_elf_make_dynamic_reloc_section
+ (sec, htab->elf.dynobj, RISCV_ELF_LOG_WORD_BYTES,
+ abfd, /*rela?*/ TRUE);
+
+ if (sreloc == NULL)
+ return FALSE;
+ }
+
+ /* If this is a global symbol, we count the number of
+ relocations we need for this symbol. */
+ if (h != NULL)
+ head = &((struct riscv_elf_link_hash_entry *) h)->dyn_relocs;
+ else
+ {
+ /* Track dynamic relocs needed for local syms too.
+ We really need local syms available to do this
+ easily. Oh well. */
+
+ asection *s;
+ void *vpp;
+ Elf_Internal_Sym *isym;
+
+ isym = bfd_sym_from_r_symndx (&htab->sym_cache,
+ abfd, r_symndx);
+ if (isym == NULL)
+ return FALSE;
+
+ s = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ if (s == NULL)
+ s = sec;
+
+ vpp = &elf_section_data (s)->local_dynrel;
+ head = (struct riscv_elf_dyn_relocs **) vpp;
+ }
+
+ p = *head;
+ if (p == NULL || p->sec != sec)
+ {
+ bfd_size_type amt = sizeof *p;
+ p = ((struct riscv_elf_dyn_relocs *)
+ bfd_alloc (htab->elf.dynobj, amt));
+ if (p == NULL)
+ return FALSE;
+ p->next = *head;
+ *head = p;
+ p->sec = sec;
+ p->count = 0;
+ p->pc_count = 0;
+ }
+
+ p->count += 1;
+ p->pc_count += riscv_elf_rtype_to_howto (r_type)->pc_relative;
+ }
+
+ break;
+
+ case R_RISCV_GNU_VTINHERIT:
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+
+ case R_RISCV_GNU_VTENTRY:
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+static asection *
+riscv_elf_gc_mark_hook (asection *sec,
+ struct bfd_link_info *info,
+ Elf_Internal_Rela *rel,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
+{
+ if (h != NULL)
+ switch (ELFNN_R_TYPE (rel->r_info))
+ {
+ case R_RISCV_GNU_VTINHERIT:
+ case R_RISCV_GNU_VTENTRY:
+ return NULL;
+ }
+
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
+}
+
+/* Update the got entry reference counts for the section being removed. */
+
+static bfd_boolean
+riscv_elf_gc_sweep_hook (bfd *abfd,
+ struct bfd_link_info *info,
+ asection *sec,
+ const Elf_Internal_Rela *relocs)
+{
+ const Elf_Internal_Rela *rel, *relend;
+ Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (abfd);
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (abfd);
+ bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd);
+
+ if (bfd_link_relocatable (info))
+ return TRUE;
+
+ elf_section_data (sec)->local_dynrel = NULL;
+
+ for (rel = relocs, relend = relocs + sec->reloc_count; rel < relend; rel++)
+ {
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h = NULL;
+
+ r_symndx = ELFNN_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ struct riscv_elf_link_hash_entry *eh;
+ struct riscv_elf_dyn_relocs **pp;
+ struct riscv_elf_dyn_relocs *p;
+
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ eh = (struct riscv_elf_link_hash_entry *) h;
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
+ if (p->sec == sec)
+ {
+ /* Everything must go for SEC. */
+ *pp = p->next;
+ break;
+ }
+ }
+
+ switch (ELFNN_R_TYPE (rel->r_info))
+ {
+ case R_RISCV_GOT_HI20:
+ case R_RISCV_TLS_GOT_HI20:
+ case R_RISCV_TLS_GD_HI20:
+ if (h != NULL)
+ {
+ if (h->got.refcount > 0)
+ h->got.refcount--;
+ }
+ else
+ {
+ if (local_got_refcounts &&
+ local_got_refcounts[r_symndx] > 0)
+ local_got_refcounts[r_symndx]--;
+ }
+ break;
+
+ case R_RISCV_HI20:
+ case R_RISCV_PCREL_HI20:
+ case R_RISCV_COPY:
+ case R_RISCV_JUMP_SLOT:
+ case R_RISCV_RELATIVE:
+ case R_RISCV_64:
+ case R_RISCV_32:
+ case R_RISCV_BRANCH:
+ case R_RISCV_CALL:
+ case R_RISCV_JAL:
+ case R_RISCV_RVC_BRANCH:
+ case R_RISCV_RVC_JUMP:
+ if (bfd_link_pic (info))
+ break;
+ /* Fall through. */
+
+ case R_RISCV_CALL_PLT:
+ if (h != NULL)
+ {
+ if (h->plt.refcount > 0)
+ h->plt.refcount--;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Adjust a symbol defined by a dynamic object and referenced by a
+ regular object. The current definition is in some section of the
+ dynamic object, but we're not including those sections. We have to
+ change the definition to something the rest of the link can
+ understand. */
+
+static bfd_boolean
+riscv_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
+{
+ struct riscv_elf_link_hash_table *htab;
+ struct riscv_elf_link_hash_entry * eh;
+ struct riscv_elf_dyn_relocs *p;
+ bfd *dynobj;
+ asection *s;
+
+ htab = riscv_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
+ dynobj = htab->elf.dynobj;
+
+ /* Make sure we know what is going on here. */
+ BFD_ASSERT (dynobj != NULL
+ && (h->needs_plt
+ || h->type == STT_GNU_IFUNC
+ || h->u.weakdef != NULL
+ || (h->def_dynamic
+ && h->ref_regular
+ && !h->def_regular)));
+
+ /* If this is a function, put it in the procedure linkage table. We
+ will fill in the contents of the procedure linkage table later
+ (although we could actually do it here). */
+ if (h->type == STT_FUNC || h->type == STT_GNU_IFUNC || h->needs_plt)
+ {
+ if (h->plt.refcount <= 0
+ || SYMBOL_CALLS_LOCAL (info, h)
+ || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ && h->root.type == bfd_link_hash_undefweak))
+ {
+ /* This case can occur if we saw a R_RISCV_CALL_PLT reloc in an
+ input file, but the symbol was never referred to by a dynamic
+ object, or if all references were garbage collected. In such
+ a case, we don't actually need to build a PLT entry. */
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+
+ return TRUE;
+ }
+ else
+ h->plt.offset = (bfd_vma) -1;
+
+ /* If this is a weak symbol, and there is a real definition, the
+ processor independent code will have arranged for us to see the
+ real definition first, and we can just use the same value. */
+ if (h->u.weakdef != NULL)
+ {
+ BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
+ || h->u.weakdef->root.type == bfd_link_hash_defweak);
+ h->root.u.def.section = h->u.weakdef->root.u.def.section;
+ h->root.u.def.value = h->u.weakdef->root.u.def.value;
+ return TRUE;
+ }
+
+ /* This is a reference to a symbol defined by a dynamic object which
+ is not a function. */
+
+ /* If we are creating a shared library, we must presume that the
+ only references to the symbol are via the global offset table.
+ For such cases we need not do anything here; the relocations will
+ be handled correctly by relocate_section. */
+ if (bfd_link_pic (info))
+ return TRUE;
+
+ /* If there are no references to this symbol that do not use the
+ GOT, we don't need to generate a copy reloc. */
+ if (!h->non_got_ref)
+ return TRUE;
+
+ /* If -z nocopyreloc was given, we won't generate them either. */
+ if (info->nocopyreloc)
+ {
+ h->non_got_ref = 0;
+ return TRUE;
+ }
+
+ eh = (struct riscv_elf_link_hash_entry *) h;
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ s = p->sec->output_section;
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ break;
+ }
+
+ /* If we didn't find any dynamic relocs in read-only sections, then
+ we'll be keeping the dynamic relocs and avoiding the copy reloc. */
+ if (p == NULL)
+ {
+ h->non_got_ref = 0;
+ return TRUE;
+ }
+
+ /* We must allocate the symbol in our .dynbss section, which will
+ become part of the .bss section of the executable. There will be
+ an entry for this symbol in the .dynsym section. The dynamic
+ object will contain position independent code, so all references
+ from the dynamic object to this symbol will go through the global
+ offset table. The dynamic linker will use the .dynsym entry to
+ determine the address it must put in the global offset table, so
+ both the dynamic object and the regular object will refer to the
+ same memory location for the variable. */
+
+ /* We must generate a R_RISCV_COPY reloc to tell the dynamic linker
+ to copy the initial value out of the dynamic object and into the
+ runtime process image. We need to remember the offset into the
+ .rel.bss section we are going to use. */
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
+ {
+ htab->srelbss->size += sizeof (ElfNN_External_Rela);
+ h->needs_copy = 1;
+ }
+
+ if (eh->tls_type & ~GOT_NORMAL)
+ return _bfd_elf_adjust_dynamic_copy (info, h, htab->sdyntdata);
+
+ return _bfd_elf_adjust_dynamic_copy (info, h, htab->sdynbss);
+}
+
+/* Allocate space in .plt, .got and associated reloc sections for
+ dynamic relocs. */
+
+static bfd_boolean
+allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
+{
+ struct bfd_link_info *info;
+ struct riscv_elf_link_hash_table *htab;
+ struct riscv_elf_link_hash_entry *eh;
+ struct riscv_elf_dyn_relocs *p;
+
+ if (h->root.type == bfd_link_hash_indirect)
+ return TRUE;
+
+ info = (struct bfd_link_info *) inf;
+ htab = riscv_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
+ if (htab->elf.dynamic_sections_created
+ && h->plt.refcount > 0)
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
+ {
+ asection *s = htab->elf.splt;
+
+ if (s->size == 0)
+ s->size = PLT_HEADER_SIZE;
+
+ h->plt.offset = s->size;
+
+ /* Make room for this entry. */
+ s->size += PLT_ENTRY_SIZE;
+
+ /* We also need to make an entry in the .got.plt section. */
+ htab->elf.sgotplt->size += GOT_ENTRY_SIZE;
+
+ /* We also need to make an entry in the .rela.plt section. */
+ htab->elf.srelplt->size += sizeof (ElfNN_External_Rela);
+
+ /* If this symbol is not defined in a regular file, and we are
+ not generating a shared library, then set the symbol to this
+ location in the .plt. This is required to make function
+ pointers compare as equal between the normal executable and
+ the shared library. */
+ if (! bfd_link_pic (info)
+ && !h->def_regular)
+ {
+ h->root.u.def.section = s;
+ h->root.u.def.value = h->plt.offset;
+ }
+ }
+ else
+ {
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+ }
+ else
+ {
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+
+ if (h->got.refcount > 0)
+ {
+ asection *s;
+ bfd_boolean dyn;
+ int tls_type = riscv_elf_hash_entry (h)->tls_type;
+
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ s = htab->elf.sgot;
+ h->got.offset = s->size;
+ dyn = htab->elf.dynamic_sections_created;
+ if (tls_type & (GOT_TLS_GD | GOT_TLS_IE))
+ {
+ /* TLS_GD needs two dynamic relocs and two GOT slots. */
+ if (tls_type & GOT_TLS_GD)
+ {
+ s->size += 2 * RISCV_ELF_WORD_BYTES;
+ htab->elf.srelgot->size += 2 * sizeof (ElfNN_External_Rela);
+ }
+
+ /* TLS_IE needs one dynamic reloc and one GOT slot. */
+ if (tls_type & GOT_TLS_IE)
+ {
+ s->size += RISCV_ELF_WORD_BYTES;
+ htab->elf.srelgot->size += sizeof (ElfNN_External_Rela);
+ }
+ }
+ else
+ {
+ s->size += RISCV_ELF_WORD_BYTES;
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
+ htab->elf.srelgot->size += sizeof (ElfNN_External_Rela);
+ }
+ }
+ else
+ h->got.offset = (bfd_vma) -1;
+
+ eh = (struct riscv_elf_link_hash_entry *) h;
+ if (eh->dyn_relocs == NULL)
+ return TRUE;
+
+ /* In the shared -Bsymbolic case, discard space allocated for
+ dynamic pc-relative relocs against symbols which turn out to be
+ defined in regular objects. For the normal shared case, discard
+ space for pc-relative relocs that have become local due to symbol
+ visibility changes. */
+
+ if (bfd_link_pic (info))
+ {
+ if (SYMBOL_CALLS_LOCAL (info, h))
+ {
+ struct riscv_elf_dyn_relocs **pp;
+
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
+ {
+ p->count -= p->pc_count;
+ p->pc_count = 0;
+ if (p->count == 0)
+ *pp = p->next;
+ else
+ pp = &p->next;
+ }
+ }
+
+ /* Also discard relocs on undefined weak syms with non-default
+ visibility. */
+ if (eh->dyn_relocs != NULL
+ && h->root.type == bfd_link_hash_undefweak)
+ {
+ if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
+ eh->dyn_relocs = NULL;
+
+ /* Make sure undefined weak symbols are output as a dynamic
+ symbol in PIEs. */
+ else if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+ }
+ }
+ else
+ {
+ /* For the non-shared case, discard space for relocs against
+ symbols which turn out to need copy relocs or are not
+ dynamic. */
+
+ if (!h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
+ || (htab->elf.dynamic_sections_created
+ && (h->root.type == bfd_link_hash_undefweak
+ || h->root.type == bfd_link_hash_undefined))))
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ /* If that succeeded, we know we'll be keeping all the
+ relocs. */
+ if (h->dynindx != -1)
+ goto keep;
+ }
+
+ eh->dyn_relocs = NULL;
+
+ keep: ;
+ }
+
+ /* Finally, allocate space. */
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ asection *sreloc = elf_section_data (p->sec)->sreloc;
+ sreloc->size += p->count * sizeof (ElfNN_External_Rela);
+ }
+
+ return TRUE;
+}
+
+/* Find any dynamic relocs that apply to read-only sections. */
+
+static bfd_boolean
+readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
+{
+ struct riscv_elf_link_hash_entry *eh;
+ struct riscv_elf_dyn_relocs *p;
+
+ eh = (struct riscv_elf_link_hash_entry *) h;
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ asection *s = p->sec->output_section;
+
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ {
+ ((struct bfd_link_info *) inf)->flags |= DF_TEXTREL;
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+static bfd_boolean
+riscv_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
+{
+ struct riscv_elf_link_hash_table *htab;
+ bfd *dynobj;
+ asection *s;
+ bfd *ibfd;
+
+ htab = riscv_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+ dynobj = htab->elf.dynobj;
+ BFD_ASSERT (dynobj != NULL);
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* Set the contents of the .interp section to the interpreter. */
+ if (bfd_link_executable (info) && !info->nointerp)
+ {
+ s = bfd_get_linker_section (dynobj, ".interp");
+ BFD_ASSERT (s != NULL);
+ s->size = strlen (ELFNN_DYNAMIC_INTERPRETER) + 1;
+ s->contents = (unsigned char *) ELFNN_DYNAMIC_INTERPRETER;
+ }
+ }
+
+ /* Set up .got offsets for local syms, and space for local dynamic
+ relocs. */
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
+ {
+ bfd_signed_vma *local_got;
+ bfd_signed_vma *end_local_got;
+ char *local_tls_type;
+ bfd_size_type locsymcount;
+ Elf_Internal_Shdr *symtab_hdr;
+ asection *srel;
+
+ if (! is_riscv_elf (ibfd))
+ continue;
+
+ for (s = ibfd->sections; s != NULL; s = s->next)
+ {
+ struct riscv_elf_dyn_relocs *p;
+
+ for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
+ {
+ if (!bfd_is_abs_section (p->sec)
+ && bfd_is_abs_section (p->sec->output_section))
+ {
+ /* Input section has been discarded, either because
+ it is a copy of a linkonce section or due to
+ linker script /DISCARD/, so we'll be discarding
+ the relocs too. */
+ }
+ else if (p->count != 0)
+ {
+ srel = elf_section_data (p->sec)->sreloc;
+ srel->size += p->count * sizeof (ElfNN_External_Rela);
+ if ((p->sec->output_section->flags & SEC_READONLY) != 0)
+ info->flags |= DF_TEXTREL;
+ }
+ }
+ }
+
+ local_got = elf_local_got_refcounts (ibfd);
+ if (!local_got)
+ continue;
+
+ symtab_hdr = &elf_symtab_hdr (ibfd);
+ locsymcount = symtab_hdr->sh_info;
+ end_local_got = local_got + locsymcount;
+ local_tls_type = _bfd_riscv_elf_local_got_tls_type (ibfd);
+ s = htab->elf.sgot;
+ srel = htab->elf.srelgot;
+ for (; local_got < end_local_got; ++local_got, ++local_tls_type)
+ {
+ if (*local_got > 0)
+ {
+ *local_got = s->size;
+ s->size += RISCV_ELF_WORD_BYTES;
+ if (*local_tls_type & GOT_TLS_GD)
+ s->size += RISCV_ELF_WORD_BYTES;
+ if (bfd_link_pic (info)
+ || (*local_tls_type & (GOT_TLS_GD | GOT_TLS_IE)))
+ srel->size += sizeof (ElfNN_External_Rela);
+ }
+ else
+ *local_got = (bfd_vma) -1;
+ }
+ }
+
+ /* Allocate global sym .plt and .got entries, and space for global
+ sym dynamic relocs. */
+ elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
+
+ if (htab->elf.sgotplt)
+ {
+ struct elf_link_hash_entry *got;
+ got = elf_link_hash_lookup (elf_hash_table (info),
+ "_GLOBAL_OFFSET_TABLE_",
+ FALSE, FALSE, FALSE);
+
+ /* Don't allocate .got.plt section if there are no GOT nor PLT
+ entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */
+ if ((got == NULL
+ || !got->ref_regular_nonweak)
+ && (htab->elf.sgotplt->size == GOTPLT_HEADER_SIZE)
+ && (htab->elf.splt == NULL
+ || htab->elf.splt->size == 0)
+ && (htab->elf.sgot == NULL
+ || (htab->elf.sgot->size
+ == get_elf_backend_data (output_bfd)->got_header_size)))
+ htab->elf.sgotplt->size = 0;
+ }
+
+ /* The check_relocs and adjust_dynamic_symbol entry points have
+ determined the sizes of the various dynamic sections. Allocate
+ memory for them. */
+ for (s = dynobj->sections; s != NULL; s = s->next)
+ {
+ if ((s->flags & SEC_LINKER_CREATED) == 0)
+ continue;
+
+ if (s == htab->elf.splt
+ || s == htab->elf.sgot
+ || s == htab->elf.sgotplt
+ || s == htab->sdynbss)
+ {
+ /* Strip this section if we don't need it; see the
+ comment below. */
+ }
+ else if (strncmp (s->name, ".rela", 5) == 0)
+ {
+ if (s->size != 0)
+ {
+ /* We use the reloc_count field as a counter if we need
+ to copy relocs into the output file. */
+ s->reloc_count = 0;
+ }
+ }
+ else
+ {
+ /* It's not one of our sections. */
+ continue;
+ }
+
+ if (s->size == 0)
+ {
+ /* If we don't need this section, strip it from the
+ output file. This is mostly to handle .rela.bss and
+ .rela.plt. We must create both sections in
+ create_dynamic_sections, because they must be created
+ before the linker maps input sections to output
+ sections. The linker does that before
+ adjust_dynamic_symbol is called, and it is that
+ function which decides whether anything needs to go
+ into these sections. */
+ s->flags |= SEC_EXCLUDE;
+ continue;
+ }
+
+ if ((s->flags & SEC_HAS_CONTENTS) == 0)
+ continue;
+
+ /* Allocate memory for the section contents. Zero the memory
+ for the benefit of .rela.plt, which has 4 unused entries
+ at the beginning, and we don't want garbage. */
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
+ if (s->contents == NULL)
+ return FALSE;
+ }
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* Add some entries to the .dynamic section. We fill in the
+ values later, in riscv_elf_finish_dynamic_sections, but we
+ must add the entries now so that we get the correct size for
+ the .dynamic section. The DT_DEBUG entry is filled in by the
+ dynamic linker and used by the debugger. */
+#define add_dynamic_entry(TAG, VAL) \
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
+
+ if (bfd_link_executable (info))
+ {
+ if (!add_dynamic_entry (DT_DEBUG, 0))
+ return FALSE;
+ }
+
+ if (htab->elf.srelplt->size != 0)
+ {
+ if (!add_dynamic_entry (DT_PLTGOT, 0)
+ || !add_dynamic_entry (DT_PLTRELSZ, 0)
+ || !add_dynamic_entry (DT_PLTREL, DT_RELA)
+ || !add_dynamic_entry (DT_JMPREL, 0))
+ return FALSE;
+ }
+
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (ElfNN_External_Rela)))
+ return FALSE;
+
+ /* If any dynamic relocs apply to a read-only section,
+ then we need a DT_TEXTREL entry. */
+ if ((info->flags & DF_TEXTREL) == 0)
+ elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
+
+ if (info->flags & DF_TEXTREL)
+ {
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
+ return FALSE;
+ }
+ }
+#undef add_dynamic_entry
+
+ return TRUE;
+}
+
+#define TP_OFFSET 0
+#define DTP_OFFSET 0x800
+
+/* Return the relocation value for a TLS dtp-relative reloc. */
+
+static bfd_vma
+dtpoff (struct bfd_link_info *info, bfd_vma address)
+{
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (elf_hash_table (info)->tls_sec == NULL)
+ return 0;
+ return address - elf_hash_table (info)->tls_sec->vma - DTP_OFFSET;
+}
+
+/* Return the relocation value for a static TLS tp-relative relocation. */
+
+static bfd_vma
+tpoff (struct bfd_link_info *info, bfd_vma address)
+{
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (elf_hash_table (info)->tls_sec == NULL)
+ return 0;
+ return address - elf_hash_table (info)->tls_sec->vma - TP_OFFSET;
+}
+
+/* Return the global pointer's value, or 0 if it is not in use. */
+
+static bfd_vma
+riscv_global_pointer_value (struct bfd_link_info *info)
+{
+ struct bfd_link_hash_entry *h;
+
+ h = bfd_link_hash_lookup (info->hash, "_gp", FALSE, FALSE, TRUE);
+ if (h == NULL || h->type != bfd_link_hash_defined)
+ return 0;
+
+ return h->u.def.value + sec_addr (h->u.def.section);
+}
+
+/* Emplace a static relocation. */
+
+static bfd_reloc_status_type
+perform_relocation (const reloc_howto_type *howto,
+ const Elf_Internal_Rela *rel,
+ bfd_vma value,
+ asection *input_section,
+ bfd *input_bfd,
+ bfd_byte *contents)
+{
+ if (howto->pc_relative)
+ value -= sec_addr (input_section) + rel->r_offset;
+ value += rel->r_addend;
+
+ switch (ELFNN_R_TYPE (rel->r_info))
+ {
+ case R_RISCV_HI20:
+ case R_RISCV_TPREL_HI20:
+ case R_RISCV_PCREL_HI20:
+ case R_RISCV_GOT_HI20:
+ case R_RISCV_TLS_GOT_HI20:
+ case R_RISCV_TLS_GD_HI20:
+ if (ARCH_SIZE > 32 && !VALID_UTYPE_IMM (RISCV_CONST_HIGH_PART (value)))
+ return bfd_reloc_overflow;
+ value = ENCODE_UTYPE_IMM (RISCV_CONST_HIGH_PART (value));
+ break;
+
+ case R_RISCV_LO12_I:
+ case R_RISCV_GPREL_I:
+ case R_RISCV_TPREL_LO12_I:
+ case R_RISCV_PCREL_LO12_I:
+ value = ENCODE_ITYPE_IMM (value);
+ break;
+
+ case R_RISCV_LO12_S:
+ case R_RISCV_GPREL_S:
+ case R_RISCV_TPREL_LO12_S:
+ case R_RISCV_PCREL_LO12_S:
+ value = ENCODE_STYPE_IMM (value);
+ break;
+
+ case R_RISCV_CALL:
+ case R_RISCV_CALL_PLT:
+ if (ARCH_SIZE > 32 && !VALID_UTYPE_IMM (RISCV_CONST_HIGH_PART (value)))
+ return bfd_reloc_overflow;
+ value = ENCODE_UTYPE_IMM (RISCV_CONST_HIGH_PART (value))
+ | (ENCODE_ITYPE_IMM (value) << 32);
+ break;
+
+ case R_RISCV_JAL:
+ if (!VALID_UJTYPE_IMM (value))
+ return bfd_reloc_overflow;
+ value = ENCODE_UJTYPE_IMM (value);
+ break;
+
+ case R_RISCV_BRANCH:
+ if (!VALID_SBTYPE_IMM (value))
+ return bfd_reloc_overflow;
+ value = ENCODE_SBTYPE_IMM (value);
+ break;
+
+ case R_RISCV_RVC_BRANCH:
+ if (!VALID_RVC_B_IMM (value))
+ return bfd_reloc_overflow;
+ value = ENCODE_RVC_B_IMM (value);
+ break;
+
+ case R_RISCV_RVC_JUMP:
+ if (!VALID_RVC_J_IMM (value))
+ return bfd_reloc_overflow;
+ value = ENCODE_RVC_J_IMM (value);
+ break;
+
+ case R_RISCV_RVC_LUI:
+ if (!VALID_RVC_LUI_IMM (RISCV_CONST_HIGH_PART (value)))
+ return bfd_reloc_overflow;
+ value = ENCODE_RVC_LUI_IMM (RISCV_CONST_HIGH_PART (value));
+ break;
+
+ case R_RISCV_32:
+ case R_RISCV_64:
+ case R_RISCV_ADD8:
+ case R_RISCV_ADD16:
+ case R_RISCV_ADD32:
+ case R_RISCV_ADD64:
+ case R_RISCV_SUB8:
+ case R_RISCV_SUB16:
+ case R_RISCV_SUB32:
+ case R_RISCV_SUB64:
+ case R_RISCV_TLS_DTPREL32:
+ case R_RISCV_TLS_DTPREL64:
+ break;
+
+ default:
+ return bfd_reloc_notsupported;
+ }
+
+ bfd_vma word = bfd_get (howto->bitsize, input_bfd, contents + rel->r_offset);
+ word = (word & ~howto->dst_mask) | (value & howto->dst_mask);
+ bfd_put (howto->bitsize, input_bfd, word, contents + rel->r_offset);
+
+ return bfd_reloc_ok;
+}
+
+/* Remember all PC-relative high-part relocs we've encountered to help us
+ later resolve the corresponding low-part relocs. */
+
+typedef struct
+{
+ bfd_vma address;
+ bfd_vma value;
+} riscv_pcrel_hi_reloc;
+
+typedef struct riscv_pcrel_lo_reloc
+{
+ asection * input_section;
+ struct bfd_link_info * info;
+ reloc_howto_type * howto;
+ const Elf_Internal_Rela * reloc;
+ bfd_vma addr;
+ const char * name;
+ bfd_byte * contents;
+ struct riscv_pcrel_lo_reloc * next;
+} riscv_pcrel_lo_reloc;
+
+typedef struct
+{
+ htab_t hi_relocs;
+ riscv_pcrel_lo_reloc *lo_relocs;
+} riscv_pcrel_relocs;
+
+static hashval_t
+riscv_pcrel_reloc_hash (const void *entry)
+{
+ const riscv_pcrel_hi_reloc *e = entry;
+ return (hashval_t)(e->address >> 2);
+}
+
+static bfd_boolean
+riscv_pcrel_reloc_eq (const void *entry1, const void *entry2)
+{
+ const riscv_pcrel_hi_reloc *e1 = entry1, *e2 = entry2;
+ return e1->address == e2->address;
+}
+
+static bfd_boolean
+riscv_init_pcrel_relocs (riscv_pcrel_relocs *p)
+{
+
+ p->lo_relocs = NULL;
+ p->hi_relocs = htab_create (1024, riscv_pcrel_reloc_hash,
+ riscv_pcrel_reloc_eq, free);
+ return p->hi_relocs != NULL;
+}
+
+static void
+riscv_free_pcrel_relocs (riscv_pcrel_relocs *p)
+{
+ riscv_pcrel_lo_reloc *cur = p->lo_relocs;
+
+ while (cur != NULL)
+ {
+ riscv_pcrel_lo_reloc *next = cur->next;
+ free (cur);
+ cur = next;
+ }
+
+ htab_delete (p->hi_relocs);
+}
+
+static bfd_boolean
+riscv_record_pcrel_hi_reloc (riscv_pcrel_relocs *p, bfd_vma addr, bfd_vma value)
+{
+ riscv_pcrel_hi_reloc entry = {addr, value - addr};
+ riscv_pcrel_hi_reloc **slot =
+ (riscv_pcrel_hi_reloc **) htab_find_slot (p->hi_relocs, &entry, INSERT);
+
+ BFD_ASSERT (*slot == NULL);
+ *slot = (riscv_pcrel_hi_reloc *) bfd_malloc (sizeof (riscv_pcrel_hi_reloc));
+ if (*slot == NULL)
+ return FALSE;
+ **slot = entry;
+ return TRUE;
+}
+
+static bfd_boolean
+riscv_record_pcrel_lo_reloc (riscv_pcrel_relocs *p,
+ asection *input_section,
+ struct bfd_link_info *info,
+ reloc_howto_type *howto,
+ const Elf_Internal_Rela *reloc,
+ bfd_vma addr,
+ const char *name,
+ bfd_byte *contents)
+{
+ riscv_pcrel_lo_reloc *entry;
+ entry = (riscv_pcrel_lo_reloc *) bfd_malloc (sizeof (riscv_pcrel_lo_reloc));
+ if (entry == NULL)
+ return FALSE;
+ *entry = (riscv_pcrel_lo_reloc) {input_section, info, howto, reloc, addr,
+ name, contents, p->lo_relocs};
+ p->lo_relocs = entry;
+ return TRUE;
+}
+
+static bfd_boolean
+riscv_resolve_pcrel_lo_relocs (riscv_pcrel_relocs *p)
+{
+ riscv_pcrel_lo_reloc *r;
+
+ for (r = p->lo_relocs; r != NULL; r = r->next)
+ {
+ bfd *input_bfd = r->input_section->owner;
+
+ riscv_pcrel_hi_reloc search = {r->addr, 0};
+ riscv_pcrel_hi_reloc *entry = htab_find (p->hi_relocs, &search);
+ if (entry == NULL)
+ {
+ ((*r->info->callbacks->reloc_overflow)
+ (r->info, NULL, r->name, r->howto->name, (bfd_vma) 0,
+ input_bfd, r->input_section, r->reloc->r_offset));
+ return TRUE;
+ }
+
+ perform_relocation (r->howto, r->reloc, entry->value, r->input_section,
+ input_bfd, r->contents);
+ }
+
+ return TRUE;
+}
+
+/* Relocate a RISC-V ELF section.
+
+ The RELOCATE_SECTION function is called by the new ELF backend linker
+ to handle the relocations for a section.
+
+ The relocs are always passed as Rela structures.
+
+ This function is responsible for adjusting the section contents as
+ necessary, and (if generating a relocatable output file) adjusting
+ the reloc addend as necessary.
+
+ This function does not have to worry about setting the reloc
+ address or the reloc symbol index.
+
+ LOCAL_SYMS is a pointer to the swapped in local symbols.
+
+ LOCAL_SECTIONS is an array giving the section in the input file
+ corresponding to the st_shndx field of each local symbol.
+
+ The global hash table entry for the global symbols can be found
+ via elf_sym_hashes (input_bfd).
+
+ When generating relocatable output, this function must handle
+ STB_LOCAL/STT_SECTION symbols specially. The output symbol is
+ going to be the section symbol corresponding to the output
+ section, which means that the addend must be adjusted
+ accordingly. */
+
+static bfd_boolean
+riscv_elf_relocate_section (bfd *output_bfd,
+ struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ Elf_Internal_Rela *relocs,
+ Elf_Internal_Sym *local_syms,
+ asection **local_sections)
+{
+ Elf_Internal_Rela *rel;
+ Elf_Internal_Rela *relend;
+ riscv_pcrel_relocs pcrel_relocs;
+ bfd_boolean ret = FALSE;
+ asection *sreloc = elf_section_data (input_section)->sreloc;
+ struct riscv_elf_link_hash_table *htab = riscv_elf_hash_table (info);
+ Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (input_bfd);
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
+ bfd_vma *local_got_offsets = elf_local_got_offsets (input_bfd);
+
+ if (!riscv_init_pcrel_relocs (&pcrel_relocs))
+ return FALSE;
+
+ relend = relocs + input_section->reloc_count;
+ for (rel = relocs; rel < relend; rel++)
+ {
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+ asection *sec;
+ bfd_vma relocation;
+ bfd_reloc_status_type r = bfd_reloc_ok;
+ const char *name;
+ bfd_vma off, ie_off;
+ bfd_boolean unresolved_reloc, is_ie = FALSE;
+ bfd_vma pc = sec_addr (input_section) + rel->r_offset;
+ int r_type = ELFNN_R_TYPE (rel->r_info), tls_type;
+ reloc_howto_type *howto = riscv_elf_rtype_to_howto (r_type);
+ const char *msg = NULL;
+
+ if (r_type == R_RISCV_GNU_VTINHERIT || r_type == R_RISCV_GNU_VTENTRY)
+ continue;
+
+ /* This is a final link. */
+ r_symndx = ELFNN_R_SYM (rel->r_info);
+ h = NULL;
+ sym = NULL;
+ sec = NULL;
+ unresolved_reloc = FALSE;
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ sym = local_syms + r_symndx;
+ sec = local_sections[r_symndx];
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+ }
+ else
+ {
+ bfd_boolean warned, ignored;
+
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned, ignored);
+ if (warned)
+ {
+ /* To avoid generating warning messages about truncated
+ relocations, set the relocation's address to be the same as
+ the start of this section. */
+ if (input_section->output_section != NULL)
+ relocation = input_section->output_section->vma;
+ else
+ relocation = 0;
+ }
+ }
+
+ if (sec != NULL && discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
+
+ if (bfd_link_relocatable (info))
+ continue;
+
+ if (h != NULL)
+ name = h->root.root.string;
+ else
+ {
+ name = (bfd_elf_string_from_elf_section
+ (input_bfd, symtab_hdr->sh_link, sym->st_name));
+ if (name == NULL || *name == '\0')
+ name = bfd_section_name (input_bfd, sec);
+ }
+
+ switch (r_type)
+ {
+ case R_RISCV_NONE:
+ case R_RISCV_TPREL_ADD:
+ case R_RISCV_COPY:
+ case R_RISCV_JUMP_SLOT:
+ case R_RISCV_RELATIVE:
+ /* These require nothing of us at all. */
+ continue;
+
+ case R_RISCV_HI20:
+ case R_RISCV_BRANCH:
+ case R_RISCV_RVC_BRANCH:
+ case R_RISCV_RVC_LUI:
+ case R_RISCV_LO12_I:
+ case R_RISCV_LO12_S:
+ /* These require no special handling beyond perform_relocation. */
+ break;
+
+ case R_RISCV_GOT_HI20:
+ if (h != NULL)
+ {
+ bfd_boolean dyn, pic;
+
+ off = h->got.offset;
+ BFD_ASSERT (off != (bfd_vma) -1);
+ dyn = elf_hash_table (info)->dynamic_sections_created;
+ pic = bfd_link_pic (info);
+
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, pic, h)
+ || (pic && SYMBOL_REFERENCES_LOCAL (info, h)))
+ {
+ /* This is actually a static link, or it is a
+ -Bsymbolic link and the symbol is defined
+ locally, or the symbol was forced to be local
+ because of a version file. We must initialize
+ this entry in the global offset table. Since the
+ offset must always be a multiple of the word size,
+ we use the least significant bit to record whether
+ we have initialized it already.
+
+ When doing a dynamic link, we create a .rela.got
+ relocation entry to initialize the value. This
+ is done in the finish_dynamic_symbol routine. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ bfd_put_NN (output_bfd, relocation,
+ htab->elf.sgot->contents + off);
+ h->got.offset |= 1;
+ }
+ }
+ else
+ unresolved_reloc = FALSE;
+ }
+ else
+ {
+ BFD_ASSERT (local_got_offsets != NULL
+ && local_got_offsets[r_symndx] != (bfd_vma) -1);
+
+ off = local_got_offsets[r_symndx];
+
+ /* The offset must always be a multiple of the word size.
+ So, we can use the least significant bit to record
+ whether we have already processed this entry. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ if (bfd_link_pic (info))
+ {
+ asection *s;
+ Elf_Internal_Rela outrel;
+
+ /* We need to generate a R_RISCV_RELATIVE reloc
+ for the dynamic linker. */
+ s = htab->elf.srelgot;
+ BFD_ASSERT (s != NULL);
+
+ outrel.r_offset = sec_addr (htab->elf.sgot) + off;
+ outrel.r_info =
+ ELFNN_R_INFO (0, R_RISCV_RELATIVE);
+ outrel.r_addend = relocation;
+ relocation = 0;
+ riscv_elf_append_rela (output_bfd, s, &outrel);
+ }
+
+ bfd_put_NN (output_bfd, relocation,
+ htab->elf.sgot->contents + off);
+ local_got_offsets[r_symndx] |= 1;
+ }
+ }
+ relocation = sec_addr (htab->elf.sgot) + off;
+ if (!riscv_record_pcrel_hi_reloc (&pcrel_relocs, pc, relocation))
+ r = bfd_reloc_overflow;
+ break;
+
+ case R_RISCV_ADD8:
+ case R_RISCV_ADD16:
+ case R_RISCV_ADD32:
+ case R_RISCV_ADD64:
+ {
+ bfd_vma old_value = bfd_get (howto->bitsize, input_bfd,
+ contents + rel->r_offset);
+ relocation = old_value + relocation;
+ }
+ break;
+
+ case R_RISCV_SUB8:
+ case R_RISCV_SUB16:
+ case R_RISCV_SUB32:
+ case R_RISCV_SUB64:
+ {
+ bfd_vma old_value = bfd_get (howto->bitsize, input_bfd,
+ contents + rel->r_offset);
+ relocation = old_value - relocation;
+ }
+ break;
+
+ case R_RISCV_CALL_PLT:
+ case R_RISCV_CALL:
+ case R_RISCV_JAL:
+ case R_RISCV_RVC_JUMP:
+ if (bfd_link_pic (info) && h != NULL && h->plt.offset != MINUS_ONE)
+ {
+ /* Refer to the PLT entry. */
+ relocation = sec_addr (htab->elf.splt) + h->plt.offset;
+ unresolved_reloc = FALSE;
+ }
+ break;
+
+ case R_RISCV_TPREL_HI20:
+ relocation = tpoff (info, relocation);
+ break;
+
+ case R_RISCV_TPREL_LO12_I:
+ case R_RISCV_TPREL_LO12_S:
+ relocation = tpoff (info, relocation);
+ if (VALID_ITYPE_IMM (relocation + rel->r_addend))
+ {
+ /* We can use tp as the base register. */
+ bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
+ insn &= ~(OP_MASK_RS1 << OP_SH_RS1);
+ insn |= X_TP << OP_SH_RS1;
+ bfd_put_32 (input_bfd, insn, contents + rel->r_offset);
+ }
+ break;
+
+ case R_RISCV_GPREL_I:
+ case R_RISCV_GPREL_S:
+ {
+ bfd_vma gp = riscv_global_pointer_value (info);
+ bfd_boolean x0_base = VALID_ITYPE_IMM (relocation + rel->r_addend);
+ if (x0_base || VALID_ITYPE_IMM (relocation + rel->r_addend - gp))
+ {
+ /* We can use x0 or gp as the base register. */
+ bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
+ insn &= ~(OP_MASK_RS1 << OP_SH_RS1);
+ if (!x0_base)
+ {
+ rel->r_addend -= gp;
+ insn |= X_GP << OP_SH_RS1;
+ }
+ bfd_put_32 (input_bfd, insn, contents + rel->r_offset);
+ }
+ else
+ r = bfd_reloc_overflow;
+ break;
+ }
+
+ case R_RISCV_PCREL_HI20:
+ if (!riscv_record_pcrel_hi_reloc (&pcrel_relocs, pc,
+ relocation + rel->r_addend))
+ r = bfd_reloc_overflow;
+ break;
+
+ case R_RISCV_PCREL_LO12_I:
+ case R_RISCV_PCREL_LO12_S:
+ if (riscv_record_pcrel_lo_reloc (&pcrel_relocs, input_section, info,
+ howto, rel, relocation, name,
+ contents))
+ continue;
+ r = bfd_reloc_overflow;
+ break;
+
+ case R_RISCV_TLS_DTPREL32:
+ case R_RISCV_TLS_DTPREL64:
+ relocation = dtpoff (info, relocation);
+ break;
+
+ case R_RISCV_32:
+ case R_RISCV_64:
+ if ((input_section->flags & SEC_ALLOC) == 0)
+ break;
+
+ if ((bfd_link_pic (info)
+ && (h == NULL
+ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak)
+ && (! howto->pc_relative
+ || !SYMBOL_CALLS_LOCAL (info, h)))
+ || (!bfd_link_pic (info)
+ && h != NULL
+ && h->dynindx != -1
+ && !h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
+ || h->root.type == bfd_link_hash_undefweak
+ || h->root.type == bfd_link_hash_undefined)))
+ {
+ Elf_Internal_Rela outrel;
+ bfd_boolean skip_static_relocation, skip_dynamic_relocation;
+
+ /* When generating a shared object, these relocations
+ are copied into the output file to be resolved at run
+ time. */
+
+ outrel.r_offset =
+ _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset);
+ skip_static_relocation = outrel.r_offset != (bfd_vma) -2;
+ skip_dynamic_relocation = outrel.r_offset >= (bfd_vma) -2;
+ outrel.r_offset += sec_addr (input_section);
+
+ if (skip_dynamic_relocation)
+ memset (&outrel, 0, sizeof outrel);
+ else if (h != NULL && h->dynindx != -1
+ && !(bfd_link_pic (info)
+ && SYMBOLIC_BIND (info, h)
+ && h->def_regular))
+ {
+ outrel.r_info = ELFNN_R_INFO (h->dynindx, r_type);
+ outrel.r_addend = rel->r_addend;
+ }
+ else
+ {
+ outrel.r_info = ELFNN_R_INFO (0, R_RISCV_RELATIVE);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+
+ riscv_elf_append_rela (output_bfd, sreloc, &outrel);
+ if (skip_static_relocation)
+ continue;
+ }
+ break;
+
+ case R_RISCV_TLS_GOT_HI20:
+ is_ie = TRUE;
+ /* Fall through. */
+
+ case R_RISCV_TLS_GD_HI20:
+ if (h != NULL)
+ {
+ off = h->got.offset;
+ h->got.offset |= 1;
+ }
+ else
+ {
+ off = local_got_offsets[r_symndx];
+ local_got_offsets[r_symndx] |= 1;
+ }
+
+ tls_type = _bfd_riscv_elf_tls_type (input_bfd, h, r_symndx);
+ BFD_ASSERT (tls_type & (GOT_TLS_IE | GOT_TLS_GD));
+ /* If this symbol is referenced by both GD and IE TLS, the IE
+ reference's GOT slot follows the GD reference's slots. */
+ ie_off = 0;
+ if ((tls_type & GOT_TLS_GD) && (tls_type & GOT_TLS_IE))
+ ie_off = 2 * GOT_ENTRY_SIZE;
+
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ Elf_Internal_Rela outrel;
+ int indx = 0;
+ bfd_boolean need_relocs = FALSE;
+
+ if (htab->elf.srelgot == NULL)
+ abort ();
+
+ if (h != NULL)
+ {
+ bfd_boolean dyn, pic;
+ dyn = htab->elf.dynamic_sections_created;
+ pic = bfd_link_pic (info);
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, pic, h)
+ && (!pic || !SYMBOL_REFERENCES_LOCAL (info, h)))
+ indx = h->dynindx;
+ }
+
+ /* The GOT entries have not been initialized yet. Do it
+ now, and emit any relocations. */
+ if ((bfd_link_pic (info) || indx != 0)
+ && (h == NULL
+ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak))
+ need_relocs = TRUE;
+
+ if (tls_type & GOT_TLS_GD)
+ {
+ if (need_relocs)
+ {
+ outrel.r_offset = sec_addr (htab->elf.sgot) + off;
+ outrel.r_addend = 0;
+ outrel.r_info = ELFNN_R_INFO (indx, R_RISCV_TLS_DTPMODNN);
+ bfd_put_NN (output_bfd, 0,
+ htab->elf.sgot->contents + off);
+ riscv_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
+ if (indx == 0)
+ {
+ BFD_ASSERT (! unresolved_reloc);
+ bfd_put_NN (output_bfd,
+ dtpoff (info, relocation),
+ (htab->elf.sgot->contents + off +
+ RISCV_ELF_WORD_BYTES));
+ }
+ else
+ {
+ bfd_put_NN (output_bfd, 0,
+ (htab->elf.sgot->contents + off +
+ RISCV_ELF_WORD_BYTES));
+ outrel.r_info = ELFNN_R_INFO (indx, R_RISCV_TLS_DTPRELNN);
+ outrel.r_offset += RISCV_ELF_WORD_BYTES;
+ riscv_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
+ }
+ }
+ else
+ {
+ /* If we are not emitting relocations for a
+ general dynamic reference, then we must be in a
+ static link or an executable link with the
+ symbol binding locally. Mark it as belonging
+ to module 1, the executable. */
+ bfd_put_NN (output_bfd, 1,
+ htab->elf.sgot->contents + off);
+ bfd_put_NN (output_bfd,
+ dtpoff (info, relocation),
+ (htab->elf.sgot->contents + off +
+ RISCV_ELF_WORD_BYTES));
+ }
+ }
+
+ if (tls_type & GOT_TLS_IE)
+ {
+ if (need_relocs)
+ {
+ bfd_put_NN (output_bfd, 0,
+ htab->elf.sgot->contents + off + ie_off);
+ outrel.r_offset = sec_addr (htab->elf.sgot)
+ + off + ie_off;
+ outrel.r_addend = 0;
+ if (indx == 0)
+ outrel.r_addend = tpoff (info, relocation);
+ outrel.r_info = ELFNN_R_INFO (indx, R_RISCV_TLS_TPRELNN);
+ riscv_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
+ }
+ else
+ {
+ bfd_put_NN (output_bfd, tpoff (info, relocation),
+ htab->elf.sgot->contents + off + ie_off);
+ }
+ }
+ }
+
+ BFD_ASSERT (off < (bfd_vma) -2);
+ relocation = sec_addr (htab->elf.sgot) + off + (is_ie ? ie_off : 0);
+ if (!riscv_record_pcrel_hi_reloc (&pcrel_relocs, pc, relocation))
+ r = bfd_reloc_overflow;
+ unresolved_reloc = FALSE;
+ break;
+
+ default:
+ r = bfd_reloc_notsupported;
+ }
+
+ /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
+ because such sections are not SEC_ALLOC and thus ld.so will
+ not process them. */
+ if (unresolved_reloc
+ && !((input_section->flags & SEC_DEBUGGING) != 0
+ && h->def_dynamic)
+ && _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset) != (bfd_vma) -1)
+ {
+ (*_bfd_error_handler)
+ (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
+ input_bfd,
+ input_section,
+ (long) rel->r_offset,
+ howto->name,
+ h->root.root.string);
+ continue;
+ }
+
+ if (r == bfd_reloc_ok)
+ r = perform_relocation (howto, rel, relocation, input_section,
+ input_bfd, contents);
+
+ switch (r)
+ {
+ case bfd_reloc_ok:
+ continue;
+
+ case bfd_reloc_overflow:
+ info->callbacks->reloc_overflow
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
+ break;
+
+ case bfd_reloc_undefined:
+ info->callbacks->undefined_symbol
+ (info, name, input_bfd, input_section, rel->r_offset,
+ TRUE);
+ break;
+
+ case bfd_reloc_outofrange:
+ msg = _("internal error: out of range error");
+ break;
+
+ case bfd_reloc_notsupported:
+ msg = _("internal error: unsupported relocation error");
+ break;
+
+ case bfd_reloc_dangerous:
+ msg = _("internal error: dangerous relocation");
+ break;
+
+ default:
+ msg = _("internal error: unknown error");
+ break;
+ }
+
+ if (msg)
+ info->callbacks->warning
+ (info, msg, name, input_bfd, input_section, rel->r_offset);
+ goto out;
+ }
+
+ ret = riscv_resolve_pcrel_lo_relocs (&pcrel_relocs);
+out:
+ riscv_free_pcrel_relocs (&pcrel_relocs);
+ return ret;
+}
+
+/* Finish up dynamic symbol handling. We set the contents of various
+ dynamic sections here. */
+
+static bfd_boolean
+riscv_elf_finish_dynamic_symbol (bfd *output_bfd,
+ struct bfd_link_info *info,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
+{
+ struct riscv_elf_link_hash_table *htab = riscv_elf_hash_table (info);
+ const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
+
+ if (h->plt.offset != (bfd_vma) -1)
+ {
+ /* We've decided to create a PLT entry for this symbol. */
+ bfd_byte *loc;
+ bfd_vma i, header_address, plt_idx, got_address;
+ uint32_t plt_entry[PLT_ENTRY_INSNS];
+ Elf_Internal_Rela rela;
+
+ BFD_ASSERT (h->dynindx != -1);
+
+ /* Calculate the address of the PLT header. */
+ header_address = sec_addr (htab->elf.splt);
+
+ /* Calculate the index of the entry. */
+ plt_idx = (h->plt.offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE;
+
+ /* Calculate the address of the .got.plt entry. */
+ got_address = riscv_elf_got_plt_val (plt_idx, info);
+
+ /* Find out where the .plt entry should go. */
+ loc = htab->elf.splt->contents + h->plt.offset;
+
+ /* Fill in the PLT entry itself. */
+ riscv_make_plt_entry (got_address, header_address + h->plt.offset,
+ plt_entry);
+ for (i = 0; i < PLT_ENTRY_INSNS; i++)
+ bfd_put_32 (output_bfd, plt_entry[i], loc + 4*i);
+
+ /* Fill in the initial value of the .got.plt entry. */
+ loc = htab->elf.sgotplt->contents
+ + (got_address - sec_addr (htab->elf.sgotplt));
+ bfd_put_NN (output_bfd, sec_addr (htab->elf.splt), loc);
+
+ /* Fill in the entry in the .rela.plt section. */
+ rela.r_offset = got_address;
+ rela.r_addend = 0;
+ rela.r_info = ELFNN_R_INFO (h->dynindx, R_RISCV_JUMP_SLOT);
+
+ loc = htab->elf.srelplt->contents + plt_idx * sizeof (ElfNN_External_Rela);
+ bed->s->swap_reloca_out (output_bfd, &rela, loc);
+
+ if (!h->def_regular)
+ {
+ /* Mark the symbol as undefined, rather than as defined in
+ the .plt section. Leave the value alone. */
+ sym->st_shndx = SHN_UNDEF;
+ /* If the symbol is weak, we do need to clear the value.
+ Otherwise, the PLT entry would provide a definition for
+ the symbol even if the symbol wasn't defined anywhere,
+ and so the symbol would never be NULL. */
+ if (!h->ref_regular_nonweak)
+ sym->st_value = 0;
+ }
+ }
+
+ if (h->got.offset != (bfd_vma) -1
+ && !(riscv_elf_hash_entry(h)->tls_type & (GOT_TLS_GD | GOT_TLS_IE)))
+ {
+ asection *sgot;
+ asection *srela;
+ Elf_Internal_Rela rela;
+
+ /* This symbol has an entry in the GOT. Set it up. */
+
+ sgot = htab->elf.sgot;
+ srela = htab->elf.srelgot;
+ BFD_ASSERT (sgot != NULL && srela != NULL);
+
+ rela.r_offset = sec_addr (sgot) + (h->got.offset &~ (bfd_vma) 1);
+
+ /* If this is a -Bsymbolic link, and the symbol is defined
+ locally, we just want to emit a RELATIVE reloc. Likewise if
+ the symbol was forced to be local because of a version file.
+ The entry in the global offset table will already have been
+ initialized in the relocate_section function. */
+ if (bfd_link_pic (info)
+ && (info->symbolic || h->dynindx == -1)
+ && h->def_regular)
+ {
+ asection *sec = h->root.u.def.section;
+ rela.r_info = ELFNN_R_INFO (0, R_RISCV_RELATIVE);
+ rela.r_addend = (h->root.u.def.value
+ + sec->output_section->vma
+ + sec->output_offset);
+ }
+ else
+ {
+ BFD_ASSERT (h->dynindx != -1);
+ rela.r_info = ELFNN_R_INFO (h->dynindx, R_RISCV_NN);
+ rela.r_addend = 0;
+ }
+
+ bfd_put_NN (output_bfd, 0,
+ sgot->contents + (h->got.offset & ~(bfd_vma) 1));
+ riscv_elf_append_rela (output_bfd, srela, &rela);
+ }
+
+ if (h->needs_copy)
+ {
+ Elf_Internal_Rela rela;
+
+ /* This symbols needs a copy reloc. Set it up. */
+ BFD_ASSERT (h->dynindx != -1);
+
+ rela.r_offset = sec_addr (h->root.u.def.section) + h->root.u.def.value;
+ rela.r_info = ELFNN_R_INFO (h->dynindx, R_RISCV_COPY);
+ rela.r_addend = 0;
+ riscv_elf_append_rela (output_bfd, htab->srelbss, &rela);
+ }
+
+ /* Mark some specially defined symbols as absolute. */
+ if (h == htab->elf.hdynamic
+ || (h == htab->elf.hgot || h == htab->elf.hplt))
+ sym->st_shndx = SHN_ABS;
+
+ return TRUE;
+}
+
+/* Finish up the dynamic sections. */
+
+static bfd_boolean
+riscv_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
+ bfd *dynobj, asection *sdyn)
+{
+ struct riscv_elf_link_hash_table *htab = riscv_elf_hash_table (info);
+ const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
+ size_t dynsize = bed->s->sizeof_dyn;
+ bfd_byte *dyncon, *dynconend;
+
+ dynconend = sdyn->contents + sdyn->size;
+ for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
+ {
+ Elf_Internal_Dyn dyn;
+ asection *s;
+
+ bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
+
+ switch (dyn.d_tag)
+ {
+ case DT_PLTGOT:
+ s = htab->elf.sgotplt;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
+ break;
+ case DT_JMPREL:
+ s = htab->elf.srelplt;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
+ break;
+ case DT_PLTRELSZ:
+ s = htab->elf.srelplt;
+ dyn.d_un.d_val = s->size;
+ break;
+ default:
+ continue;
+ }
+
+ bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
+ }
+ return TRUE;
+}
+
+static bfd_boolean
+riscv_elf_finish_dynamic_sections (bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ bfd *dynobj;
+ asection *sdyn;
+ struct riscv_elf_link_hash_table *htab;
+
+ htab = riscv_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+ dynobj = htab->elf.dynobj;
+
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ asection *splt;
+ bfd_boolean ret;
+
+ splt = htab->elf.splt;
+ BFD_ASSERT (splt != NULL && sdyn != NULL);
+
+ ret = riscv_finish_dyn (output_bfd, info, dynobj, sdyn);
+
+ if (ret != TRUE)
+ return ret;
+
+ /* Fill in the head and tail entries in the procedure linkage table. */
+ if (splt->size > 0)
+ {
+ int i;
+ uint32_t plt_header[PLT_HEADER_INSNS];
+ riscv_make_plt_header (sec_addr (htab->elf.sgotplt),
+ sec_addr (splt), plt_header);
+
+ for (i = 0; i < PLT_HEADER_INSNS; i++)
+ bfd_put_32 (output_bfd, plt_header[i], splt->contents + 4*i);
+ }
+
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize
+ = PLT_ENTRY_SIZE;
+ }
+
+ if (htab->elf.sgotplt)
+ {
+ asection *output_section = htab->elf.sgotplt->output_section;
+
+ if (bfd_is_abs_section (output_section))
+ {
+ (*_bfd_error_handler)
+ (_("discarded output section: `%A'"), htab->elf.sgotplt);
+ return FALSE;
+ }
+
+ if (htab->elf.sgotplt->size > 0)
+ {
+ /* Write the first two entries in .got.plt, needed for the dynamic
+ linker. */
+ bfd_put_NN (output_bfd, (bfd_vma) -1, htab->elf.sgotplt->contents);
+ bfd_put_NN (output_bfd, (bfd_vma) 0,
+ htab->elf.sgotplt->contents + GOT_ENTRY_SIZE);
+ }
+
+ elf_section_data (output_section)->this_hdr.sh_entsize = GOT_ENTRY_SIZE;
+ }
+
+ if (htab->elf.sgot)
+ {
+ asection *output_section = htab->elf.sgot->output_section;
+
+ if (htab->elf.sgot->size > 0)
+ {
+ /* Set the first entry in the global offset table to the address of
+ the dynamic section. */
+ bfd_vma val = sdyn ? sec_addr (sdyn) : 0;
+ bfd_put_NN (output_bfd, val, htab->elf.sgot->contents);
+ }
+
+ elf_section_data (output_section)->this_hdr.sh_entsize = GOT_ENTRY_SIZE;
+ }
+
+ return TRUE;
+}
+
+/* Return address for Ith PLT stub in section PLT, for relocation REL
+ or (bfd_vma) -1 if it should not be included. */
+
+static bfd_vma
+riscv_elf_plt_sym_val (bfd_vma i, const asection *plt,
+ const arelent *rel ATTRIBUTE_UNUSED)
+{
+ return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE;
+}
+
+static enum elf_reloc_type_class
+riscv_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const asection *rel_sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela *rela)
+{
+ switch (ELFNN_R_TYPE (rela->r_info))
+ {
+ case R_RISCV_RELATIVE:
+ return reloc_class_relative;
+ case R_RISCV_JUMP_SLOT:
+ return reloc_class_plt;
+ case R_RISCV_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
+}
+
+/* Merge backend specific data from an object file to the output
+ object file when linking. */
+
+static bfd_boolean
+_bfd_riscv_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
+{
+ bfd *obfd = info->output_bfd;
+ flagword new_flags = elf_elfheader (ibfd)->e_flags;
+ flagword old_flags = elf_elfheader (obfd)->e_flags;
+
+ if (!is_riscv_elf (ibfd) || !is_riscv_elf (obfd))
+ return TRUE;
+
+ if (strcmp (bfd_get_target (ibfd), bfd_get_target (obfd)) != 0)
+ {
+ (*_bfd_error_handler)
+ (_("%B: ABI is incompatible with that of the selected emulation"),
+ ibfd);
+ return FALSE;
+ }
+
+ if (!_bfd_elf_merge_object_attributes (ibfd, info))
+ return FALSE;
+
+ if (! elf_flags_init (obfd))
+ {
+ elf_flags_init (obfd) = TRUE;
+ elf_elfheader (obfd)->e_flags = new_flags;
+ return TRUE;
+ }
+
+ /* Disallow linking soft-float and hard-float. */
+ if ((old_flags ^ new_flags) & EF_RISCV_SOFT_FLOAT)
+ {
+ (*_bfd_error_handler)
+ (_("%B: can't link hard-float modules with soft-float modules"), ibfd);
+ goto fail;
+ }
+
+ /* Allow linking RVC and non-RVC, and keep the RVC flag. */
+ elf_elfheader (obfd)->e_flags |= new_flags & EF_RISCV_RVC;
+
+ return TRUE;
+
+fail:
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+}
+
+/* Delete some bytes from a section while relaxing. */
+
+static bfd_boolean
+riscv_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr, size_t count)
+{
+ unsigned int i, symcount;
+ bfd_vma toaddr = sec->size;
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (abfd);
+ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ unsigned int sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
+ struct bfd_elf_section_data *data = elf_section_data (sec);
+ bfd_byte *contents = data->this_hdr.contents;
+
+ /* Actually delete the bytes. */
+ sec->size -= count;
+ memmove (contents + addr, contents + addr + count, toaddr - addr - count);
+
+ /* Adjust the location of all of the relocs. Note that we need not
+ adjust the addends, since all PC-relative references must be against
+ symbols, which we will adjust below. */
+ for (i = 0; i < sec->reloc_count; i++)
+ if (data->relocs[i].r_offset > addr && data->relocs[i].r_offset < toaddr)
+ data->relocs[i].r_offset -= count;
+
+ /* Adjust the local symbols defined in this section. */
+ for (i = 0; i < symtab_hdr->sh_info; i++)
+ {
+ Elf_Internal_Sym *sym = (Elf_Internal_Sym *) symtab_hdr->contents + i;
+ if (sym->st_shndx == sec_shndx)
+ {
+ /* If the symbol is in the range of memory we just moved, we
+ have to adjust its value. */
+ if (sym->st_value > addr && sym->st_value <= toaddr)
+ sym->st_value -= count;
+
+ /* If the symbol *spans* the bytes we just deleted (i.e. its
+ *end* is in the moved bytes but its *start* isn't), then we
+ must adjust its size. */
+ if (sym->st_value <= addr
+ && sym->st_value + sym->st_size > addr
+ && sym->st_value + sym->st_size <= toaddr)
+ sym->st_size -= count;
+ }
+ }
+
+ /* Now adjust the global symbols defined in this section. */
+ symcount = ((symtab_hdr->sh_size / sizeof (ElfNN_External_Sym))
+ - symtab_hdr->sh_info);
+
+ for (i = 0; i < symcount; i++)
+ {
+ struct elf_link_hash_entry *sym_hash = sym_hashes[i];
+
+ if ((sym_hash->root.type == bfd_link_hash_defined
+ || sym_hash->root.type == bfd_link_hash_defweak)
+ && sym_hash->root.u.def.section == sec)
+ {
+ /* As above, adjust the value if needed. */
+ if (sym_hash->root.u.def.value > addr
+ && sym_hash->root.u.def.value <= toaddr)
+ sym_hash->root.u.def.value -= count;
+
+ /* As above, adjust the size if needed. */
+ if (sym_hash->root.u.def.value <= addr
+ && sym_hash->root.u.def.value + sym_hash->size > addr
+ && sym_hash->root.u.def.value + sym_hash->size <= toaddr)
+ sym_hash->size -= count;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Relax AUIPC + JALR into JAL. */
+
+static bfd_boolean
+_bfd_riscv_relax_call (bfd *abfd, asection *sec, asection *sym_sec,
+ struct bfd_link_info *link_info,
+ Elf_Internal_Rela *rel,
+ bfd_vma symval,
+ unsigned int max_alignment,
+ bfd_boolean *again)
+{
+ bfd_byte *contents = elf_section_data (sec)->this_hdr.contents;
+ bfd_signed_vma foff = symval - (sec_addr (sec) + rel->r_offset);
+ bfd_boolean near_zero = (symval + RISCV_IMM_REACH/2) < RISCV_IMM_REACH;
+ bfd_vma auipc, jalr;
+ int rd, r_type, len = 4, rvc = elf_elfheader (abfd)->e_flags & EF_RISCV_RVC;
+
+ /* If the call crosses section boundaries, an alignment directive could
+ cause the PC-relative offset to later increase. */
+ if (VALID_UJTYPE_IMM (foff) && sym_sec->output_section != sec->output_section)
+ foff += (foff < 0 ? -max_alignment : max_alignment);
+
+ /* See if this function call can be shortened. */
+ if (!VALID_UJTYPE_IMM (foff) && !(!bfd_link_pic (link_info) && near_zero))
+ return TRUE;
+
+ /* Shorten the function call. */
+ BFD_ASSERT (rel->r_offset + 8 <= sec->size);
+
+ auipc = bfd_get_32 (abfd, contents + rel->r_offset);
+ jalr = bfd_get_32 (abfd, contents + rel->r_offset + 4);
+ rd = (jalr >> OP_SH_RD) & OP_MASK_RD;
+ rvc = rvc && VALID_RVC_J_IMM (foff) && ARCH_SIZE == 32;
+
+ if (rvc && (rd == 0 || rd == X_RA))
+ {
+ /* Relax to C.J[AL] rd, addr. */
+ r_type = R_RISCV_RVC_JUMP;
+ auipc = rd == 0 ? MATCH_C_J : MATCH_C_JAL;
+ len = 2;
+ }
+ else if (VALID_UJTYPE_IMM (foff))
+ {
+ /* Relax to JAL rd, addr. */
+ r_type = R_RISCV_JAL;
+ auipc = MATCH_JAL | (rd << OP_SH_RD);
+ }
+ else /* near_zero */
+ {
+ /* Relax to JALR rd, x0, addr. */
+ r_type = R_RISCV_LO12_I;
+ auipc = MATCH_JALR | (rd << OP_SH_RD);
+ }
+
+ /* Replace the R_RISCV_CALL reloc. */
+ rel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (rel->r_info), r_type);
+ /* Replace the AUIPC. */
+ bfd_put (8 * len, abfd, auipc, contents + rel->r_offset);
+
+ /* Delete unnecessary JALR. */
+ *again = TRUE;
+ return riscv_relax_delete_bytes (abfd, sec, rel->r_offset + len, 8 - len);
+}
+
+/* Traverse all output sections and return the max alignment. */
+
+static unsigned int
+_bfd_riscv_get_max_alignment (asection *sec)
+{
+ unsigned int max_alignment_power = 0;
+ asection *o;
+
+ for (o = sec->output_section->owner->sections; o != NULL; o = o->next)
+ {
+ if (o->alignment_power > max_alignment_power)
+ max_alignment_power = o->alignment_power;
+ }
+
+ return 1 << max_alignment_power;
+}
+
+/* Relax non-PIC global variable references. */
+
+static bfd_boolean
+_bfd_riscv_relax_lui (bfd *abfd,
+ asection *sec,
+ asection *sym_sec,
+ struct bfd_link_info *link_info,
+ Elf_Internal_Rela *rel,
+ bfd_vma symval,
+ unsigned int max_alignment,
+ bfd_boolean *again)
+{
+ bfd_byte *contents = elf_section_data (sec)->this_hdr.contents;
+ bfd_vma gp = riscv_global_pointer_value (link_info);
+ int use_rvc = elf_elfheader (abfd)->e_flags & EF_RISCV_RVC;
+
+ /* Mergeable symbols and code might later move out of range. */
+ if (sym_sec->flags & (SEC_MERGE | SEC_CODE))
+ return TRUE;
+
+ BFD_ASSERT (rel->r_offset + 4 <= sec->size);
+
+ /* Is the reference in range of x0 or gp?
+ Valid gp range conservatively because of alignment issue. */
+ if (VALID_ITYPE_IMM (symval)
+ || (symval >= gp && VALID_ITYPE_IMM (symval - gp + max_alignment))
+ || (symval < gp && VALID_ITYPE_IMM (symval - gp - max_alignment)))
+ {
+ unsigned sym = ELFNN_R_SYM (rel->r_info);
+ switch (ELFNN_R_TYPE (rel->r_info))
+ {
+ case R_RISCV_LO12_I:
+ rel->r_info = ELFNN_R_INFO (sym, R_RISCV_GPREL_I);
+ return TRUE;
+
+ case R_RISCV_LO12_S:
+ rel->r_info = ELFNN_R_INFO (sym, R_RISCV_GPREL_S);
+ return TRUE;
+
+ case R_RISCV_HI20:
+ /* We can delete the unnecessary LUI and reloc. */
+ rel->r_info = ELFNN_R_INFO (0, R_RISCV_NONE);
+ *again = TRUE;
+ return riscv_relax_delete_bytes (abfd, sec, rel->r_offset, 4);
+
+ default:
+ abort ();
+ }
+ }
+
+ /* Can we relax LUI to C.LUI? Alignment might move the section forward;
+ account for this assuming page alignment at worst. */
+ if (use_rvc
+ && ELFNN_R_TYPE (rel->r_info) == R_RISCV_HI20
+ && VALID_RVC_LUI_IMM (RISCV_CONST_HIGH_PART (symval))
+ && VALID_RVC_LUI_IMM (RISCV_CONST_HIGH_PART (symval + ELF_MAXPAGESIZE)))
+ {
+ /* Replace LUI with C.LUI if legal (i.e., rd != x2/sp). */
+ bfd_vma lui = bfd_get_32 (abfd, contents + rel->r_offset);
+ if (((lui >> OP_SH_RD) & OP_MASK_RD) == X_SP)
+ return TRUE;
+
+ lui = (lui & (OP_MASK_RD << OP_SH_RD)) | MATCH_C_LUI;
+ bfd_put_32 (abfd, lui, contents + rel->r_offset);
+
+ /* Replace the R_RISCV_HI20 reloc. */
+ rel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (rel->r_info), R_RISCV_RVC_LUI);
+
+ *again = TRUE;
+ return riscv_relax_delete_bytes (abfd, sec, rel->r_offset + 2, 2);
+ }
+
+ return TRUE;
+}
+
+/* Relax non-PIC TLS references. */
+
+static bfd_boolean
+_bfd_riscv_relax_tls_le (bfd *abfd,
+ asection *sec,
+ asection *sym_sec ATTRIBUTE_UNUSED,
+ struct bfd_link_info *link_info,
+ Elf_Internal_Rela *rel,
+ bfd_vma symval,
+ unsigned int max_alignment ATTRIBUTE_UNUSED,
+ bfd_boolean *again)
+{
+ /* See if this symbol is in range of tp. */
+ if (RISCV_CONST_HIGH_PART (tpoff (link_info, symval)) != 0)
+ return TRUE;
+
+ /* We can delete the unnecessary LUI and tp add. The LO12 reloc will be
+ made directly tp-relative. */
+ BFD_ASSERT (rel->r_offset + 4 <= sec->size);
+ rel->r_info = ELFNN_R_INFO (0, R_RISCV_NONE);
+
+ *again = TRUE;
+ return riscv_relax_delete_bytes (abfd, sec, rel->r_offset, 4);
+}
+
+/* Implement R_RISCV_ALIGN by deleting excess alignment NOPs. */
+
+static bfd_boolean
+_bfd_riscv_relax_align (bfd *abfd, asection *sec,
+ asection *sym_sec ATTRIBUTE_UNUSED,
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
+ Elf_Internal_Rela *rel,
+ bfd_vma symval,
+ unsigned int max_alignment ATTRIBUTE_UNUSED,
+ bfd_boolean *again ATTRIBUTE_UNUSED)
+{
+ bfd_byte *contents = elf_section_data (sec)->this_hdr.contents;
+ bfd_vma alignment = 1, pos;
+ while (alignment <= rel->r_addend)
+ alignment *= 2;
+
+ symval -= rel->r_addend;
+ bfd_vma aligned_addr = ((symval - 1) & ~(alignment - 1)) + alignment;
+ bfd_vma nop_bytes = aligned_addr - symval;
+
+ /* Once we've handled an R_RISCV_ALIGN, we can't relax anything else. */
+ sec->sec_flg0 = TRUE;
+
+ /* Make sure there are enough NOPs to actually achieve the alignment. */
+ if (rel->r_addend < nop_bytes)
+ return FALSE;
+
+ /* Delete the reloc. */
+ rel->r_info = ELFNN_R_INFO (0, R_RISCV_NONE);
+
+ /* If the number of NOPs is already correct, there's nothing to do. */
+ if (nop_bytes == rel->r_addend)
+ return TRUE;
+
+ /* Write as many RISC-V NOPs as we need. */
+ for (pos = 0; pos < (nop_bytes & -4); pos += 4)
+ bfd_put_32 (abfd, RISCV_NOP, contents + rel->r_offset + pos);
+
+ /* Write a final RVC NOP if need be. */
+ if (nop_bytes % 4 != 0)
+ bfd_put_16 (abfd, RVC_NOP, contents + rel->r_offset + pos);
+
+ /* Delete the excess bytes. */
+ return riscv_relax_delete_bytes (abfd, sec, rel->r_offset + nop_bytes,
+ rel->r_addend - nop_bytes);
+}
+
+/* Relax a section. Pass 0 shortens code sequences unless disabled.
+ Pass 1, which cannot be disabled, handles code alignment directives. */
+
+static bfd_boolean
+_bfd_riscv_relax_section (bfd *abfd, asection *sec,
+ struct bfd_link_info *info,
+ bfd_boolean *again)
+{
+ Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (abfd);
+ struct riscv_elf_link_hash_table *htab = riscv_elf_hash_table (info);
+ struct bfd_elf_section_data *data = elf_section_data (sec);
+ Elf_Internal_Rela *relocs;
+ bfd_boolean ret = FALSE;
+ unsigned int i;
+ unsigned int max_alignment;
+
+ *again = FALSE;
+
+ if (bfd_link_relocatable (info)
+ || sec->sec_flg0
+ || (sec->flags & SEC_RELOC) == 0
+ || sec->reloc_count == 0
+ || (info->disable_target_specific_optimizations
+ && info->relax_pass == 0))
+ return TRUE;
+
+ /* Read this BFD's relocs if we haven't done so already. */
+ if (data->relocs)
+ relocs = data->relocs;
+ else if (!(relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL,
+ info->keep_memory)))
+ goto fail;
+
+ max_alignment = _bfd_riscv_get_max_alignment (sec);
+
+ /* Examine and consider relaxing each reloc. */
+ for (i = 0; i < sec->reloc_count; i++)
+ {
+ asection *sym_sec;
+ Elf_Internal_Rela *rel = relocs + i;
+ typeof (&_bfd_riscv_relax_call) relax_func = NULL;
+ int type = ELFNN_R_TYPE (rel->r_info);
+ bfd_vma symval;
+
+ if (info->relax_pass == 0)
+ {
+ if (type == R_RISCV_CALL || type == R_RISCV_CALL_PLT)
+ relax_func = _bfd_riscv_relax_call;
+ else if (type == R_RISCV_HI20
+ || type == R_RISCV_LO12_I
+ || type == R_RISCV_LO12_S)
+ relax_func = _bfd_riscv_relax_lui;
+ else if (type == R_RISCV_TPREL_HI20 || type == R_RISCV_TPREL_ADD)
+ relax_func = _bfd_riscv_relax_tls_le;
+ }
+ else if (type == R_RISCV_ALIGN)
+ relax_func = _bfd_riscv_relax_align;
+
+ if (!relax_func)
+ continue;
+
+ data->relocs = relocs;
+
+ /* Read this BFD's contents if we haven't done so already. */
+ if (!data->this_hdr.contents
+ && !bfd_malloc_and_get_section (abfd, sec, &data->this_hdr.contents))
+ goto fail;
+
+ /* Read this BFD's symbols if we haven't done so already. */
+ if (symtab_hdr->sh_info != 0
+ && !symtab_hdr->contents
+ && !(symtab_hdr->contents =
+ (unsigned char *) bfd_elf_get_elf_syms (abfd, symtab_hdr,
+ symtab_hdr->sh_info,
+ 0, NULL, NULL, NULL)))
+ goto fail;
+
+ /* Get the value of the symbol referred to by the reloc. */
+ if (ELFNN_R_SYM (rel->r_info) < symtab_hdr->sh_info)
+ {
+ /* A local symbol. */
+ Elf_Internal_Sym *isym = ((Elf_Internal_Sym *) symtab_hdr->contents
+ + ELFNN_R_SYM (rel->r_info));
+
+ if (isym->st_shndx == SHN_UNDEF)
+ sym_sec = sec, symval = sec_addr (sec) + rel->r_offset;
+ else
+ {
+ BFD_ASSERT (isym->st_shndx < elf_numsections (abfd));
+ sym_sec = elf_elfsections (abfd)[isym->st_shndx]->bfd_section;
+ if (sec_addr (sym_sec) == 0)
+ continue;
+ symval = sec_addr (sym_sec) + isym->st_value;
+ }
+ }
+ else
+ {
+ unsigned long indx;
+ struct elf_link_hash_entry *h;
+
+ indx = ELFNN_R_SYM (rel->r_info) - symtab_hdr->sh_info;
+ h = elf_sym_hashes (abfd)[indx];
+
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ if (h->plt.offset != MINUS_ONE)
+ symval = sec_addr (htab->elf.splt) + h->plt.offset;
+ else if (h->root.u.def.section->output_section == NULL
+ || (h->root.type != bfd_link_hash_defined
+ && h->root.type != bfd_link_hash_defweak))
+ continue;
+ else
+ symval = sec_addr (h->root.u.def.section) + h->root.u.def.value;
+
+ sym_sec = h->root.u.def.section;
+ }
+
+ symval += rel->r_addend;
+
+ if (!relax_func (abfd, sec, sym_sec, info, rel, symval,
+ max_alignment, again))
+ goto fail;
+ }
+
+ ret = TRUE;
+
+fail:
+ if (relocs != data->relocs)
+ free (relocs);
+
+ return ret;
+}
+
+#if ARCH_SIZE == 32
+# define PRSTATUS_SIZE 0 /* FIXME */
+# define PRSTATUS_OFFSET_PR_CURSIG 12
+# define PRSTATUS_OFFSET_PR_PID 24
+# define PRSTATUS_OFFSET_PR_REG 72
+# define ELF_GREGSET_T_SIZE 128
+# define PRPSINFO_SIZE 128
+# define PRPSINFO_OFFSET_PR_PID 16
+# define PRPSINFO_OFFSET_PR_FNAME 32
+# define PRPSINFO_OFFSET_PR_PSARGS 48
+#else
+# define PRSTATUS_SIZE 376
+# define PRSTATUS_OFFSET_PR_CURSIG 12
+# define PRSTATUS_OFFSET_PR_PID 32
+# define PRSTATUS_OFFSET_PR_REG 112
+# define ELF_GREGSET_T_SIZE 256
+# define PRPSINFO_SIZE 136
+# define PRPSINFO_OFFSET_PR_PID 24
+# define PRPSINFO_OFFSET_PR_FNAME 40
+# define PRPSINFO_OFFSET_PR_PSARGS 56
+#endif
+
+/* Support for core dump NOTE sections. */
+
+static bfd_boolean
+riscv_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
+{
+ switch (note->descsz)
+ {
+ default:
+ return FALSE;
+
+ case PRSTATUS_SIZE: /* sizeof(struct elf_prstatus) on Linux/RISC-V. */
+ /* pr_cursig */
+ elf_tdata (abfd)->core->signal
+ = bfd_get_16 (abfd, note->descdata + PRSTATUS_OFFSET_PR_CURSIG);
+
+ /* pr_pid */
+ elf_tdata (abfd)->core->lwpid
+ = bfd_get_32 (abfd, note->descdata + PRSTATUS_OFFSET_PR_PID);
+ break;
+ }
+
+ /* Make a ".reg/999" section. */
+ return _bfd_elfcore_make_pseudosection (abfd, ".reg", ELF_GREGSET_T_SIZE,
+ note->descpos + PRSTATUS_OFFSET_PR_REG);
+}
+
+static bfd_boolean
+riscv_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
+{
+ switch (note->descsz)
+ {
+ default:
+ return FALSE;
+
+ case PRPSINFO_SIZE: /* sizeof(struct elf_prpsinfo) on Linux/RISC-V. */
+ /* pr_pid */
+ elf_tdata (abfd)->core->pid
+ = bfd_get_32 (abfd, note->descdata + PRPSINFO_OFFSET_PR_PID);
+
+ /* pr_fname */
+ elf_tdata (abfd)->core->program = _bfd_elfcore_strndup
+ (abfd, note->descdata + PRPSINFO_OFFSET_PR_FNAME, 16);
+
+ /* pr_psargs */
+ elf_tdata (abfd)->core->command = _bfd_elfcore_strndup
+ (abfd, note->descdata + PRPSINFO_OFFSET_PR_PSARGS, 80);
+ break;
+ }
+
+ /* Note that for some reason, a spurious space is tacked
+ onto the end of the args in some (at least one anyway)
+ implementations, so strip it off if it exists. */
+
+ {
+ char *command = elf_tdata (abfd)->core->command;
+ int n = strlen (command);
+
+ if (0 < n && command[n - 1] == ' ')
+ command[n - 1] = '\0';
+ }
+
+ return TRUE;
+}
+
+
+#define TARGET_LITTLE_SYM riscv_elfNN_vec
+#define TARGET_LITTLE_NAME "elfNN-littleriscv"
+
+#define elf_backend_reloc_type_class riscv_reloc_type_class
+
+#define bfd_elfNN_bfd_reloc_name_lookup riscv_reloc_name_lookup
+#define bfd_elfNN_bfd_link_hash_table_create riscv_elf_link_hash_table_create
+#define bfd_elfNN_bfd_reloc_type_lookup riscv_reloc_type_lookup
+#define bfd_elfNN_bfd_merge_private_bfd_data \
+ _bfd_riscv_elf_merge_private_bfd_data
+
+#define elf_backend_copy_indirect_symbol riscv_elf_copy_indirect_symbol
+#define elf_backend_create_dynamic_sections riscv_elf_create_dynamic_sections
+#define elf_backend_check_relocs riscv_elf_check_relocs
+#define elf_backend_adjust_dynamic_symbol riscv_elf_adjust_dynamic_symbol
+#define elf_backend_size_dynamic_sections riscv_elf_size_dynamic_sections
+#define elf_backend_relocate_section riscv_elf_relocate_section
+#define elf_backend_finish_dynamic_symbol riscv_elf_finish_dynamic_symbol
+#define elf_backend_finish_dynamic_sections riscv_elf_finish_dynamic_sections
+#define elf_backend_gc_mark_hook riscv_elf_gc_mark_hook
+#define elf_backend_gc_sweep_hook riscv_elf_gc_sweep_hook
+#define elf_backend_plt_sym_val riscv_elf_plt_sym_val
+#define elf_backend_grok_prstatus riscv_elf_grok_prstatus
+#define elf_backend_grok_psinfo riscv_elf_grok_psinfo
+#define elf_info_to_howto_rel NULL
+#define elf_info_to_howto riscv_info_to_howto_rela
+#define bfd_elfNN_bfd_relax_section _bfd_riscv_relax_section
+
+#define elf_backend_init_index_section _bfd_elf_init_1_index_section
+
+#define elf_backend_can_gc_sections 1
+#define elf_backend_can_refcount 1
+#define elf_backend_want_got_plt 1
+#define elf_backend_plt_readonly 1
+#define elf_backend_plt_alignment 4
+#define elf_backend_want_plt_sym 1
+#define elf_backend_got_header_size (ARCH_SIZE / 8)
+#define elf_backend_rela_normal 1
+#define elf_backend_default_execstack 0
+
+#include "elfNN-target.h"
--- /dev/null
+/* RISC-V-specific support for ELF.
+ Copyright 2011-2016 Free Software Foundation, Inc.
+
+ Contributed by Andrew Waterman (andrew@sifive.com).
+ Based on TILE-Gx and MIPS targets.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+#include "elf/riscv.h"
+#include "opcode/riscv.h"
+#include "libiberty.h"
+#include "elfxx-riscv.h"
+#include <stdint.h>
+
+#define MINUS_ONE ((bfd_vma)0 - 1)
+
+/* The relocation table used for SHT_RELA sections. */
+
+static reloc_howto_type howto_table[] =
+{
+ /* No relocation. */
+ HOWTO (R_RISCV_NONE, /* type */
+ 0, /* rightshift */
+ 3, /* size */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_NONE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 32 bit relocation. */
+ HOWTO (R_RISCV_32, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_32", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 64 bit relocation. */
+ HOWTO (R_RISCV_64, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_64", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Relocation against a local symbol in a shared object. */
+ HOWTO (R_RISCV_RELATIVE, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_RELATIVE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_RISCV_COPY, /* type */
+ 0, /* rightshift */
+ 0, /* this one is variable size */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_COPY", /* name */
+ FALSE, /* partial_inplace */
+ 0x0, /* src_mask */
+ 0x0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_RISCV_JUMP_SLOT, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_JUMP_SLOT", /* name */
+ FALSE, /* partial_inplace */
+ 0x0, /* src_mask */
+ 0x0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Dynamic TLS relocations. */
+ HOWTO (R_RISCV_TLS_DTPMOD32, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TLS_DTPMOD32", /* name */
+ FALSE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_RISCV_TLS_DTPMOD64, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TLS_DTPMOD64", /* name */
+ FALSE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_RISCV_TLS_DTPREL32, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TLS_DTPREL32", /* name */
+ TRUE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_RISCV_TLS_DTPREL64, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TLS_DTPREL64", /* name */
+ TRUE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_RISCV_TLS_TPREL32, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TLS_TPREL32", /* name */
+ FALSE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_RISCV_TLS_TPREL64, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TLS_TPREL64", /* name */
+ FALSE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Reserved for future relocs that the dynamic linker must understand. */
+ EMPTY_HOWTO (12),
+ EMPTY_HOWTO (13),
+ EMPTY_HOWTO (14),
+ EMPTY_HOWTO (15),
+
+ /* 12-bit PC-relative branch offset. */
+ HOWTO (R_RISCV_BRANCH, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_BRANCH", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_SBTYPE_IMM (-1U), /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* 20-bit PC-relative jump offset. */
+ HOWTO (R_RISCV_JAL, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ /* This needs complex overflow
+ detection, because the upper 36
+ bits must match the PC + 4. */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_JAL", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_UJTYPE_IMM (-1U), /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* 32-bit PC-relative function call (AUIPC/JALR). */
+ HOWTO (R_RISCV_CALL, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 64, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_CALL", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_UTYPE_IMM (-1U) | ((bfd_vma) ENCODE_ITYPE_IMM (-1U) << 32),
+ /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* 32-bit PC-relative function call (AUIPC/JALR). */
+ HOWTO (R_RISCV_CALL_PLT, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 64, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_CALL_PLT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_UTYPE_IMM (-1U) | ((bfd_vma) ENCODE_ITYPE_IMM (-1U) << 32),
+ /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* High 20 bits of 32-bit PC-relative GOT access. */
+ HOWTO (R_RISCV_GOT_HI20, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_GOT_HI20", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_UTYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 20 bits of 32-bit PC-relative TLS IE GOT access. */
+ HOWTO (R_RISCV_TLS_GOT_HI20, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TLS_GOT_HI20", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_UTYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 20 bits of 32-bit PC-relative TLS GD GOT reference. */
+ HOWTO (R_RISCV_TLS_GD_HI20, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TLS_GD_HI20", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_UTYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 20 bits of 32-bit PC-relative reference. */
+ HOWTO (R_RISCV_PCREL_HI20, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_PCREL_HI20", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_UTYPE_IMM (-1U), /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* Low 12 bits of a 32-bit PC-relative load or add. */
+ HOWTO (R_RISCV_PCREL_LO12_I, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_PCREL_LO12_I", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_ITYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Low 12 bits of a 32-bit PC-relative store. */
+ HOWTO (R_RISCV_PCREL_LO12_S, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_PCREL_LO12_S", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_STYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 20 bits of 32-bit absolute address. */
+ HOWTO (R_RISCV_HI20, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_HI20", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_UTYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 12 bits of 32-bit load or add. */
+ HOWTO (R_RISCV_LO12_I, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_LO12_I", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_ITYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 12 bits of 32-bit store. */
+ HOWTO (R_RISCV_LO12_S, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_LO12_S", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_STYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 20 bits of TLS LE thread pointer offset. */
+ HOWTO (R_RISCV_TPREL_HI20, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TPREL_HI20", /* name */
+ TRUE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_UTYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Low 12 bits of TLS LE thread pointer offset for loads and adds. */
+ HOWTO (R_RISCV_TPREL_LO12_I, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TPREL_LO12_I", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_ITYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Low 12 bits of TLS LE thread pointer offset for stores. */
+ HOWTO (R_RISCV_TPREL_LO12_S, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TPREL_LO12_S", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_STYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS LE thread pointer usage. */
+ HOWTO (R_RISCV_TPREL_ADD, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_TPREL_ADD", /* name */
+ TRUE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 8-bit in-place addition, for local label subtraction. */
+ HOWTO (R_RISCV_ADD8, /* type */
+ 0, /* rightshift */
+ 0, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_ADD8", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 16-bit in-place addition, for local label subtraction. */
+ HOWTO (R_RISCV_ADD16, /* type */
+ 0, /* rightshift */
+ 1, /* size */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_ADD16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 32-bit in-place addition, for local label subtraction. */
+ HOWTO (R_RISCV_ADD32, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_ADD32", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 64-bit in-place addition, for local label subtraction. */
+ HOWTO (R_RISCV_ADD64, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_ADD64", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 8-bit in-place addition, for local label subtraction. */
+ HOWTO (R_RISCV_SUB8, /* type */
+ 0, /* rightshift */
+ 0, /* size */
+ 8, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_SUB8", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 16-bit in-place addition, for local label subtraction. */
+ HOWTO (R_RISCV_SUB16, /* type */
+ 0, /* rightshift */
+ 1, /* size */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_SUB16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 32-bit in-place addition, for local label subtraction. */
+ HOWTO (R_RISCV_SUB32, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_SUB32", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 64-bit in-place addition, for local label subtraction. */
+ HOWTO (R_RISCV_SUB64, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_SUB64", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable hierarchy */
+ HOWTO (R_RISCV_GNU_VTINHERIT, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_RISCV_GNU_VTINHERIT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable member usage */
+ HOWTO (R_RISCV_GNU_VTENTRY, /* type */
+ 0, /* rightshift */
+ 4, /* size */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_elf_rel_vtable_reloc_fn, /* special_function */
+ "R_RISCV_GNU_VTENTRY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Indicates an alignment statement. The addend field encodes how many
+ bytes of NOPs follow the statement. The desired alignment is the
+ addend rounded up to the next power of two. */
+ HOWTO (R_RISCV_ALIGN, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_ALIGN", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* 8-bit PC-relative branch offset. */
+ HOWTO (R_RISCV_RVC_BRANCH, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_RVC_BRANCH", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_RVC_B_IMM (-1U), /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* 11-bit PC-relative jump offset. */
+ HOWTO (R_RISCV_RVC_JUMP, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ /* This needs complex overflow
+ detection, because the upper 36
+ bits must match the PC + 4. */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_RVC_JUMP", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_RVC_J_IMM (-1U), /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* High 6 bits of 18-bit absolute address. */
+ HOWTO (R_RISCV_RVC_LUI, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_RVC_LUI", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_RVC_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 12 bits of 32-bit load or add. */
+ HOWTO (R_RISCV_GPREL_I, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_GPREL_I", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_ITYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 12 bits of 32-bit store. */
+ HOWTO (R_RISCV_GPREL_S, /* type */
+ 0, /* rightshift */
+ 2, /* size */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_RISCV_GPREL_S", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ENCODE_STYPE_IMM (-1U), /* dst_mask */
+ FALSE), /* pcrel_offset */
+};
+
+/* A mapping from BFD reloc types to RISC-V ELF reloc types. */
+
+struct elf_reloc_map
+{
+ bfd_reloc_code_real_type bfd_val;
+ enum elf_riscv_reloc_type elf_val;
+};
+
+static const struct elf_reloc_map riscv_reloc_map[] =
+{
+ { BFD_RELOC_NONE, R_RISCV_NONE },
+ { BFD_RELOC_32, R_RISCV_32 },
+ { BFD_RELOC_64, R_RISCV_64 },
+ { BFD_RELOC_RISCV_ADD8, R_RISCV_ADD8 },
+ { BFD_RELOC_RISCV_ADD16, R_RISCV_ADD16 },
+ { BFD_RELOC_RISCV_ADD32, R_RISCV_ADD32 },
+ { BFD_RELOC_RISCV_ADD64, R_RISCV_ADD64 },
+ { BFD_RELOC_RISCV_SUB8, R_RISCV_SUB8 },
+ { BFD_RELOC_RISCV_SUB16, R_RISCV_SUB16 },
+ { BFD_RELOC_RISCV_SUB32, R_RISCV_SUB32 },
+ { BFD_RELOC_RISCV_SUB64, R_RISCV_SUB64 },
+ { BFD_RELOC_CTOR, R_RISCV_64 },
+ { BFD_RELOC_12_PCREL, R_RISCV_BRANCH },
+ { BFD_RELOC_RISCV_HI20, R_RISCV_HI20 },
+ { BFD_RELOC_RISCV_LO12_I, R_RISCV_LO12_I },
+ { BFD_RELOC_RISCV_LO12_S, R_RISCV_LO12_S },
+ { BFD_RELOC_RISCV_PCREL_LO12_I, R_RISCV_PCREL_LO12_I },
+ { BFD_RELOC_RISCV_PCREL_LO12_S, R_RISCV_PCREL_LO12_S },
+ { BFD_RELOC_RISCV_CALL, R_RISCV_CALL },
+ { BFD_RELOC_RISCV_CALL_PLT, R_RISCV_CALL_PLT },
+ { BFD_RELOC_RISCV_PCREL_HI20, R_RISCV_PCREL_HI20 },
+ { BFD_RELOC_RISCV_JMP, R_RISCV_JAL },
+ { BFD_RELOC_RISCV_GOT_HI20, R_RISCV_GOT_HI20 },
+ { BFD_RELOC_RISCV_TLS_DTPMOD32, R_RISCV_TLS_DTPMOD32 },
+ { BFD_RELOC_RISCV_TLS_DTPREL32, R_RISCV_TLS_DTPREL32 },
+ { BFD_RELOC_RISCV_TLS_DTPMOD64, R_RISCV_TLS_DTPMOD64 },
+ { BFD_RELOC_RISCV_TLS_DTPREL64, R_RISCV_TLS_DTPREL64 },
+ { BFD_RELOC_RISCV_TLS_TPREL32, R_RISCV_TLS_TPREL32 },
+ { BFD_RELOC_RISCV_TLS_TPREL64, R_RISCV_TLS_TPREL64 },
+ { BFD_RELOC_RISCV_TPREL_HI20, R_RISCV_TPREL_HI20 },
+ { BFD_RELOC_RISCV_TPREL_ADD, R_RISCV_TPREL_ADD },
+ { BFD_RELOC_RISCV_TPREL_LO12_S, R_RISCV_TPREL_LO12_S },
+ { BFD_RELOC_RISCV_TPREL_LO12_I, R_RISCV_TPREL_LO12_I },
+ { BFD_RELOC_RISCV_TLS_GOT_HI20, R_RISCV_TLS_GOT_HI20 },
+ { BFD_RELOC_RISCV_TLS_GD_HI20, R_RISCV_TLS_GD_HI20 },
+ { BFD_RELOC_RISCV_ALIGN, R_RISCV_ALIGN },
+ { BFD_RELOC_RISCV_RVC_BRANCH, R_RISCV_RVC_BRANCH },
+ { BFD_RELOC_RISCV_RVC_JUMP, R_RISCV_RVC_JUMP },
+ { BFD_RELOC_RISCV_RVC_LUI, R_RISCV_RVC_LUI },
+ { BFD_RELOC_RISCV_GPREL_I, R_RISCV_GPREL_I },
+ { BFD_RELOC_RISCV_GPREL_S, R_RISCV_GPREL_S },
+};
+
+/* Given a BFD reloc type, return a howto structure. */
+
+reloc_howto_type *
+riscv_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE (riscv_reloc_map); i++)
+ if (riscv_reloc_map[i].bfd_val == code)
+ return &howto_table[(int) riscv_reloc_map[i].elf_val];
+
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
+}
+
+reloc_howto_type *
+riscv_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE (howto_table); i++)
+ if (howto_table[i].name && strcasecmp (howto_table[i].name, r_name) == 0)
+ return &howto_table[i];
+
+ return NULL;
+}
+
+reloc_howto_type *
+riscv_elf_rtype_to_howto (unsigned int r_type)
+{
+ if (r_type >= ARRAY_SIZE (howto_table))
+ {
+ (*_bfd_error_handler) (_("unrecognized relocation (0x%x)"), r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
+ }
+ return &howto_table[r_type];
+}
--- /dev/null
+/* RISC-V ELF specific backend routines.
+ Copyright 2011-2016 Free Software Foundation, Inc.
+
+ Contributed by Andrew Waterman (andrew@sifive.com).
+ Based on MIPS target.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+#include "elf/common.h"
+#include "elf/internal.h"
+
+extern reloc_howto_type *
+riscv_reloc_name_lookup (bfd *, const char *);
+
+extern reloc_howto_type *
+riscv_reloc_type_lookup (bfd *, bfd_reloc_code_real_type);
+
+extern reloc_howto_type *
+riscv_elf_rtype_to_howto (unsigned int r_type);
"BFD_RELOC_AVR_LDS_STS_16",
"BFD_RELOC_AVR_PORT6",
"BFD_RELOC_AVR_PORT5",
+ "BFD_RELOC_RISCV_HI20",
+ "BFD_RELOC_RISCV_PCREL_HI20",
+ "BFD_RELOC_RISCV_PCREL_LO12_I",
+ "BFD_RELOC_RISCV_PCREL_LO12_S",
+ "BFD_RELOC_RISCV_LO12_I",
+ "BFD_RELOC_RISCV_LO12_S",
+ "BFD_RELOC_RISCV_GPREL12_I",
+ "BFD_RELOC_RISCV_GPREL12_S",
+ "BFD_RELOC_RISCV_TPREL_HI20",
+ "BFD_RELOC_RISCV_TPREL_LO12_I",
+ "BFD_RELOC_RISCV_TPREL_LO12_S",
+ "BFD_RELOC_RISCV_TPREL_ADD",
+ "BFD_RELOC_RISCV_CALL",
+ "BFD_RELOC_RISCV_CALL_PLT",
+ "BFD_RELOC_RISCV_ADD8",
+ "BFD_RELOC_RISCV_ADD16",
+ "BFD_RELOC_RISCV_ADD32",
+ "BFD_RELOC_RISCV_ADD64",
+ "BFD_RELOC_RISCV_SUB8",
+ "BFD_RELOC_RISCV_SUB16",
+ "BFD_RELOC_RISCV_SUB32",
+ "BFD_RELOC_RISCV_SUB64",
+ "BFD_RELOC_RISCV_GOT_HI20",
+ "BFD_RELOC_RISCV_TLS_GOT_HI20",
+ "BFD_RELOC_RISCV_TLS_GD_HI20",
+ "BFD_RELOC_RISCV_JMP",
+ "BFD_RELOC_RISCV_TLS_DTPMOD32",
+ "BFD_RELOC_RISCV_TLS_DTPREL32",
+ "BFD_RELOC_RISCV_TLS_DTPMOD64",
+ "BFD_RELOC_RISCV_TLS_DTPREL64",
+ "BFD_RELOC_RISCV_TLS_TPREL32",
+ "BFD_RELOC_RISCV_TLS_TPREL64",
+ "BFD_RELOC_RISCV_ALIGN",
+ "BFD_RELOC_RISCV_RVC_BRANCH",
+ "BFD_RELOC_RISCV_RVC_JUMP",
+ "BFD_RELOC_RISCV_RVC_LUI",
+ "BFD_RELOC_RISCV_GPREL_I",
+ "BFD_RELOC_RISCV_GPREL_S",
"BFD_RELOC_RL78_NEG8",
"BFD_RELOC_RL78_NEG16",
"BFD_RELOC_RL78_NEG24",
ENUMDOC
This is a 5 bit reloc for the AVR that stores an I/O register
number for the SBIC, SBIS, SBI and CBI instructions
+
+ENUM
+ BFD_RELOC_RISCV_HI20
+ENUMX
+ BFD_RELOC_RISCV_PCREL_HI20
+ENUMX
+ BFD_RELOC_RISCV_PCREL_LO12_I
+ENUMX
+ BFD_RELOC_RISCV_PCREL_LO12_S
+ENUMX
+ BFD_RELOC_RISCV_LO12_I
+ENUMX
+ BFD_RELOC_RISCV_LO12_S
+ENUMX
+ BFD_RELOC_RISCV_GPREL12_I
+ENUMX
+ BFD_RELOC_RISCV_GPREL12_S
+ENUMX
+ BFD_RELOC_RISCV_TPREL_HI20
+ENUMX
+ BFD_RELOC_RISCV_TPREL_LO12_I
+ENUMX
+ BFD_RELOC_RISCV_TPREL_LO12_S
+ENUMX
+ BFD_RELOC_RISCV_TPREL_ADD
+ENUMX
+ BFD_RELOC_RISCV_CALL
+ENUMX
+ BFD_RELOC_RISCV_CALL_PLT
+ENUMX
+ BFD_RELOC_RISCV_ADD8
+ENUMX
+ BFD_RELOC_RISCV_ADD16
+ENUMX
+ BFD_RELOC_RISCV_ADD32
+ENUMX
+ BFD_RELOC_RISCV_ADD64
+ENUMX
+ BFD_RELOC_RISCV_SUB8
+ENUMX
+ BFD_RELOC_RISCV_SUB16
+ENUMX
+ BFD_RELOC_RISCV_SUB32
+ENUMX
+ BFD_RELOC_RISCV_SUB64
+ENUMX
+ BFD_RELOC_RISCV_GOT_HI20
+ENUMX
+ BFD_RELOC_RISCV_TLS_GOT_HI20
+ENUMX
+ BFD_RELOC_RISCV_TLS_GD_HI20
+ENUMX
+ BFD_RELOC_RISCV_JMP
+ENUMX
+ BFD_RELOC_RISCV_TLS_DTPMOD32
+ENUMX
+ BFD_RELOC_RISCV_TLS_DTPREL32
+ENUMX
+ BFD_RELOC_RISCV_TLS_DTPMOD64
+ENUMX
+ BFD_RELOC_RISCV_TLS_DTPREL64
+ENUMX
+ BFD_RELOC_RISCV_TLS_TPREL32
+ENUMX
+ BFD_RELOC_RISCV_TLS_TPREL64
+ENUMX
+ BFD_RELOC_RISCV_ALIGN
+ENUMX
+ BFD_RELOC_RISCV_RVC_BRANCH
+ENUMX
+ BFD_RELOC_RISCV_RVC_JUMP
+ENUMX
+ BFD_RELOC_RISCV_RVC_LUI
+ENUMX
+ BFD_RELOC_RISCV_GPREL_I
+ENUMX
+ BFD_RELOC_RISCV_GPREL_S
+ENUMDOC
+ RISC-V relocations.
+
ENUM
BFD_RELOC_RL78_NEG8
ENUMX
extern const bfd_target powerpc_pei_vec;
extern const bfd_target powerpc_pei_le_vec;
extern const bfd_target powerpc_xcoff_vec;
+extern const bfd_target riscv_elf32_vec;
+extern const bfd_target riscv_elf64_vec;
extern const bfd_target rl78_elf32_vec;
extern const bfd_target rs6000_xcoff64_vec;
extern const bfd_target rs6000_xcoff64_aix_vec;
&powerpc_xcoff_vec,
#endif
+ &riscv_elf32_vec,
+#ifdef BFD64
+ &riscv_elf64_vec,
+#endif
&rl78_elf32_vec,
#ifdef BFD64
+2016-11-01 Palmer Dabbelt <palmer@dabbelt.com>
+ Andrew Waterman <andrew@sifive.com>
+
+ Add support for RISC-V architecture.
+ * readelf.c (guess_is_rela): Add EM_RISCV.
+ (get_machine_name): Likewise.
+ (dump_relocations): Add support for riscv relocations.
+ (get_machine_flags): Add support for riscv flags.
+ (is_32bit_abs_reloc): Add R_RISCV_32.
+ (is_64bit_abs_reloc): Add R_RISCV_64.
+ (is_none_reloc): Add R_RISCV_NONE.
+ * testsuite/binutils-all/objdump.exp (cpus_expected): Add riscv.
+ Expect the debug_ranges test to fail.
+
2016-10-17 Nick Clifton <nickc@redhat.com>
* readelf.c (apply_relocations): Fail if the symbol table section
#include "elf/metag.h"
#include "elf/microblaze.h"
#include "elf/mips.h"
+#include "elf/riscv.h"
#include "elf/mmix.h"
#include "elf/mn10200.h"
#include "elf/mn10300.h"
case EM_OR1K:
case EM_PPC64:
case EM_PPC:
+ case EM_RISCV:
case EM_RL78:
case EM_RX:
case EM_S390:
rtype = elf_mips_reloc_type (type);
break;
+ case EM_RISCV:
+ rtype = elf_riscv_reloc_type (type);
+ break;
+
case EM_ALPHA:
rtype = elf_alpha_reloc_type (type);
break;
case EM_CR16:
case EM_MICROBLAZE:
case EM_MICROBLAZE_OLD: return "Xilinx MicroBlaze";
+ case EM_RISCV: return "RISC-V";
case EM_RL78: return "Renesas RL78";
case EM_RX: return "Renesas RX";
case EM_METAG: return "Imagination Technologies Meta processor architecture";
case EM_CSR_KALIMBA: return "CSR Kalimba architecture family";
case EM_Z80: return "Zilog Z80";
case EM_AMDGPU: return "AMD GPU architecture";
- case EM_RISCV: return "RISC-V";
default:
snprintf (buff, sizeof (buff), _("<unknown>: 0x%x"), e_machine);
return buff;
decode_NDS32_machine_flags (e_flags, buf, sizeof buf);
break;
+ case EM_RISCV:
+ if (e_flags & EF_RISCV_RVC)
+ strcat (buf, ", RVC");
+ if (e_flags & EF_RISCV_SOFT_FLOAT)
+ strcat (buf, ", soft-float ABI");
+ break;
+
case EM_SH:
switch ((e_flags & EF_SH_MACH_MASK))
{
return reloc_type == 1; /* R_PPC64_ADDR32. */
case EM_PPC:
return reloc_type == 1; /* R_PPC_ADDR32. */
+ case EM_RISCV:
+ return reloc_type == 1; /* R_RISCV_32. */
case EM_RL78:
return reloc_type == 1; /* R_RL78_DIR32. */
case EM_RX:
return reloc_type == 80; /* R_PARISC_DIR64. */
case EM_PPC64:
return reloc_type == 38; /* R_PPC64_ADDR64. */
+ case EM_RISCV:
+ return reloc_type == 2; /* R_RISCV_64. */
case EM_SPARC32PLUS:
case EM_SPARCV9:
case EM_SPARC:
case EM_PARISC: /* R_PARISC_NONE. */
case EM_PPC64: /* R_PPC64_NONE. */
case EM_PPC: /* R_PPC_NONE. */
+ case EM_RISCV: /* R_RISCV_NONE. */
case EM_S390: /* R_390_NONE. */
case EM_S390_OLD:
case EM_SH: /* R_SH_NONE. */
lappend cpus_expected d10v d30v fr30 fr500 fr550 h8 hppa i386 i860 i960 iamcu ip2022
lappend cpus_expected m16c m32c m32r m68hc11 m68hc12 m68k m88k MCore mep c5 h1 MicroBlaze
lappend cpus_expected mips mn10200 mn10300 ms1 msp MSP430 nds32 n1h_v3 ns32k
-lappend cpus_expected or1k or1knd pj powerpc pyramid romp rs6000 s390 sh sparc
+lappend cpus_expected or1k or1knd pj powerpc pyramid riscv romp rs6000 s390 sh sparc
lappend cpus_expected tahoe tic54x tic80 tilegx tms320c30 tms320c4x tms320c54x
lappend cpus_expected v850 vax we32k x86-64 xscale xtensa z8k z8001 z8002
send_log "\n"
}
- setup_xfail "msp430-*-*" "nds32*-*-*"
+ setup_xfail "msp430-*-*" "nds32*-*-*" "riscv*-*-*"
if { [regexp_diff objdump.out $srcdir/$subdir/dw2-ranges.W] } then {
fail "objdump -W for debug_ranges"
} else {
+2016-11-01 Palmer Dabbelt <palmer@dabbelt.com>
+ Andrew Waterman <andrew@sifive.com>
+
+ Add support for RISC-V architecture.
+ * Makefile.am: Add riscv files.
+ * Makefile.in: Regenerate.
+ * NEWS: Mention the support for this architecture.
+ * configure.in: Define a default architecture.
+ * configure: Regenerate.
+ * configure.tgt: Add entries for riscv.
+ * doc/as.texinfo: Likewise.
+ * testsuite/gas/all/gas.exp: Expect the redef tests to fail.
+ * testsuite/gas/elf/elf.exp: Expect the groupauto tests to fail.
+ * config/tc-riscv.c: New file.
+ * config/tc-riscv.h: New file.
+ * doc/c-riscv.texi: New file.
+ * testsuite/gas/riscv: New directory.
+ * testsuite/gas/riscv/riscv.exp: New file.
+ * testsuite/gas/riscv/t_insns.d: New file.
+ * testsuite/gas/riscv/t_insns.s: New file.
+
2016-10-27 Andrew Burgess <andrew.burgess@embecosm.com>
* config/tc-arc.c (arc_target): Delete.
config/tc-pdp11.c \
config/tc-pj.c \
config/tc-ppc.c \
+ config/tc-riscv.c \
config/tc-rl78.c \
config/tc-rx.c \
config/tc-s390.c \
config/tc-pdp11.h \
config/tc-pj.h \
config/tc-ppc.h \
+ config/tc-riscv.h \
config/tc-rl78.h \
config/tc-rx.h \
config/tc-s390.h \
config/tc-pdp11.c \
config/tc-pj.c \
config/tc-ppc.c \
+ config/tc-riscv.c \
config/tc-rl78.c \
config/tc-rx.c \
config/tc-s390.c \
config/tc-pdp11.h \
config/tc-pj.h \
config/tc-ppc.h \
+ config/tc-riscv.h \
config/tc-rl78.h \
config/tc-rx.h \
config/tc-s390.h \
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-pdp11.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-pj.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-ppc.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-riscv.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-rl78.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-rx.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-s390.Po@am__quote@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o tc-ppc.obj `if test -f 'config/tc-ppc.c'; then $(CYGPATH_W) 'config/tc-ppc.c'; else $(CYGPATH_W) '$(srcdir)/config/tc-ppc.c'; fi`
+tc-riscv.o: config/tc-riscv.c
+@am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT tc-riscv.o -MD -MP -MF $(DEPDIR)/tc-riscv.Tpo -c -o tc-riscv.o `test -f 'config/tc-riscv.c' || echo '$(srcdir)/'`config/tc-riscv.c
+@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/tc-riscv.Tpo $(DEPDIR)/tc-riscv.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='config/tc-riscv.c' object='tc-riscv.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o tc-riscv.o `test -f 'config/tc-riscv.c' || echo '$(srcdir)/'`config/tc-riscv.c
+
+tc-riscv.obj: config/tc-riscv.c
+@am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT tc-riscv.obj -MD -MP -MF $(DEPDIR)/tc-riscv.Tpo -c -o tc-riscv.obj `if test -f 'config/tc-riscv.c'; then $(CYGPATH_W) 'config/tc-riscv.c'; else $(CYGPATH_W) '$(srcdir)/config/tc-riscv.c'; fi`
+@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/tc-riscv.Tpo $(DEPDIR)/tc-riscv.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='config/tc-riscv.c' object='tc-riscv.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o tc-riscv.obj `if test -f 'config/tc-riscv.c'; then $(CYGPATH_W) 'config/tc-riscv.c'; else $(CYGPATH_W) '$(srcdir)/config/tc-riscv.c'; fi`
+
tc-rl78.o: config/tc-rl78.c
@am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT tc-rl78.o -MD -MP -MF $(DEPDIR)/tc-rl78.Tpo -c -o tc-rl78.o `test -f 'config/tc-rl78.c' || echo '$(srcdir)/'`config/tc-rl78.c
@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/tc-rl78.Tpo $(DEPDIR)/tc-rl78.Po
-*- text -*-
+* Add support for the RISC-V architecture.
+
Changes in 2.27:
* Default to --enable-compressed-debug-sections=gas for Linux/x86 targets.
--- /dev/null
+/* tc-riscv.c -- RISC-V assembler
+ Copyright 2011-2016 Free Software Foundation, Inc.
+
+ Contributed by Andrew Waterman (andrew@sifive.com).
+ Based on MIPS target.
+
+ This file is part of GAS.
+
+ GAS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ GAS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+#include "as.h"
+#include "config.h"
+#include "subsegs.h"
+#include "safe-ctype.h"
+
+#include "itbl-ops.h"
+#include "dwarf2dbg.h"
+#include "dw2gencfi.h"
+
+#include "elf/riscv.h"
+#include "opcode/riscv.h"
+
+#include <stdint.h>
+
+/* Information about an instruction, including its format, operands
+ and fixups. */
+struct riscv_cl_insn
+{
+ /* The opcode's entry in riscv_opcodes. */
+ const struct riscv_opcode *insn_mo;
+
+ /* The encoded instruction bits. */
+ insn_t insn_opcode;
+
+ /* The frag that contains the instruction. */
+ struct frag *frag;
+
+ /* The offset into FRAG of the first instruction byte. */
+ long where;
+
+ /* The relocs associated with the instruction, if any. */
+ fixS *fixp;
+};
+
+#ifndef DEFAULT_ARCH
+#define DEFAULT_ARCH "riscv64"
+#endif
+
+static const char default_arch[] = DEFAULT_ARCH;
+
+unsigned xlen = 0; /* width of an x-register */
+
+#define LOAD_ADDRESS_INSN (xlen == 64 ? "ld" : "lw")
+#define ADD32_INSN (xlen == 64 ? "addiw" : "addi")
+
+static unsigned elf_flags = 0;
+
+/* This is the set of options which the .option pseudo-op may modify. */
+
+struct riscv_set_options
+{
+ int pic; /* Generate position-independent code. */
+ int rvc; /* Generate RVC code. */
+};
+
+static struct riscv_set_options riscv_opts =
+{
+ 0, /* pic */
+ 0, /* rvc */
+};
+
+static void
+riscv_set_rvc (bfd_boolean rvc_value)
+{
+ if (rvc_value)
+ elf_flags |= EF_RISCV_RVC;
+
+ riscv_opts.rvc = rvc_value;
+}
+
+struct riscv_subset
+{
+ const char *name;
+
+ struct riscv_subset *next;
+};
+
+static struct riscv_subset *riscv_subsets;
+
+static bfd_boolean
+riscv_subset_supports (const char *feature)
+{
+ struct riscv_subset *s;
+ char *p;
+ unsigned xlen_required = strtoul (feature, &p, 10);
+
+ if (xlen_required && xlen != xlen_required)
+ return FALSE;
+
+ for (s = riscv_subsets; s != NULL; s = s->next)
+ if (strcasecmp (s->name, p) == 0)
+ return TRUE;
+
+ return FALSE;
+}
+
+static void
+riscv_add_subset (const char *subset)
+{
+ struct riscv_subset *s = xmalloc (sizeof *s);
+
+ s->name = xstrdup (subset);
+ s->next = riscv_subsets;
+ riscv_subsets = s;
+}
+
+/* Set which ISA and extensions are available. Formally, ISA strings must
+ begin with RV32 or RV64, but we allow the prefix to be omitted.
+
+ FIXME: Version numbers are not supported yet. */
+static void
+riscv_set_arch (const char *p)
+{
+ const char *all_subsets = "IMAFDC";
+ const char *extension = NULL;
+ int rvc = 0;
+ int i;
+
+ if (strncasecmp (p, "RV32", 4) == 0)
+ {
+ xlen = 32;
+ p += 4;
+ }
+ else if (strncasecmp (p, "RV64", 4) == 0)
+ {
+ xlen = 64;
+ p += 4;
+ }
+ else if (strncasecmp (p, "RV", 2) == 0)
+ p += 2;
+
+ switch (TOUPPER(*p))
+ {
+ case 'I':
+ break;
+
+ case 'G':
+ p++;
+ /* Fall through. */
+
+ case '\0':
+ for (i = 0; all_subsets[i] != '\0'; i++)
+ {
+ const char subset[] = {all_subsets[i], '\0'};
+ riscv_add_subset (subset);
+ }
+ break;
+
+ default:
+ as_fatal ("`I' must be the first ISA subset name specified (got %c)",
+ *p);
+ }
+
+ while (*p)
+ {
+ if (TOUPPER(*p) == 'X')
+ {
+ char *subset = xstrdup (p), *q = subset;
+
+ while (*++q != '\0' && *q != '_')
+ ;
+ *q = '\0';
+
+ if (extension)
+ as_fatal ("only one eXtension is supported (found %s and %s)",
+ extension, subset);
+ extension = subset;
+ riscv_add_subset (subset);
+ p += strlen (subset);
+ free (subset);
+ }
+ else if (*p == '_')
+ p++;
+ else if ((all_subsets = strchr (all_subsets, *p)) != NULL)
+ {
+ const char subset[] = {*p, 0};
+ riscv_add_subset (subset);
+ if (TOUPPER(*p) == 'C')
+ rvc = 1;
+ all_subsets++;
+ p++;
+ }
+ else
+ as_fatal ("unsupported ISA subset %c", *p);
+ }
+
+ if (rvc)
+ {
+ /* Override -m[no-]rvc setting if C was explicitly listed. */
+ riscv_set_rvc (TRUE);
+ }
+ else
+ {
+ /* Add RVC anyway. -m[no-]rvc toggles its availability. */
+ riscv_add_subset ("C");
+ }
+}
+
+/* Handle of the OPCODE hash table. */
+static struct hash_control *op_hash = NULL;
+
+/* This array holds the chars that always start a comment. If the
+ pre-processor is disabled, these aren't very useful */
+const char comment_chars[] = "#";
+
+/* This array holds the chars that only start a comment at the beginning of
+ a line. If the line seems to have the form '# 123 filename'
+ .line and .file directives will appear in the pre-processed output */
+/* Note that input_file.c hand checks for '#' at the beginning of the
+ first line of the input file. This is because the compiler outputs
+ #NO_APP at the beginning of its output. */
+/* Also note that C style comments are always supported. */
+const char line_comment_chars[] = "#";
+
+/* This array holds machine specific line separator characters. */
+const char line_separator_chars[] = ";";
+
+/* Chars that can be used to separate mant from exp in floating point nums */
+const char EXP_CHARS[] = "eE";
+
+/* Chars that mean this number is a floating point constant */
+/* As in 0f12.456 */
+/* or 0d1.2345e12 */
+const char FLT_CHARS[] = "rRsSfFdDxXpP";
+
+/* Macros for encoding relaxation state for RVC branches and far jumps. */
+#define RELAX_BRANCH_ENCODE(uncond, rvc, length) \
+ ((relax_substateT) \
+ (0xc0000000 \
+ | ((uncond) ? 1 : 0) \
+ | ((rvc) ? 2 : 0) \
+ | ((length) << 2)))
+#define RELAX_BRANCH_P(i) (((i) & 0xf0000000) == 0xc0000000)
+#define RELAX_BRANCH_LENGTH(i) (((i) >> 2) & 0xF)
+#define RELAX_BRANCH_RVC(i) (((i) & 2) != 0)
+#define RELAX_BRANCH_UNCOND(i) (((i) & 1) != 0)
+
+/* Is the given value a sign-extended 32-bit value? */
+#define IS_SEXT_32BIT_NUM(x) \
+ (((x) &~ (offsetT) 0x7fffffff) == 0 \
+ || (((x) &~ (offsetT) 0x7fffffff) == ~ (offsetT) 0x7fffffff))
+
+/* Is the given value a zero-extended 32-bit value? Or a negated one? */
+#define IS_ZEXT_32BIT_NUM(x) \
+ (((x) &~ (offsetT) 0xffffffff) == 0 \
+ || (((x) &~ (offsetT) 0xffffffff) == ~ (offsetT) 0xffffffff))
+
+/* Change INSN's opcode so that the operand given by FIELD has value VALUE.
+ INSN is a riscv_cl_insn structure and VALUE is evaluated exactly once. */
+#define INSERT_OPERAND(FIELD, INSN, VALUE) \
+ INSERT_BITS ((INSN).insn_opcode, VALUE, OP_MASK_##FIELD, OP_SH_##FIELD)
+
+/* Determine if an instruction matches an opcode. */
+#define OPCODE_MATCHES(OPCODE, OP) \
+ (((OPCODE) & MASK_##OP) == MATCH_##OP)
+
+static char *expr_end;
+
+/* The default target format to use. */
+
+const char *
+riscv_target_format (void)
+{
+ return xlen == 64 ? "elf64-littleriscv" : "elf32-littleriscv";
+}
+
+/* Return the length of instruction INSN. */
+
+static inline unsigned int
+insn_length (const struct riscv_cl_insn *insn)
+{
+ return riscv_insn_length (insn->insn_opcode);
+}
+
+/* Initialise INSN from opcode entry MO. Leave its position unspecified. */
+
+static void
+create_insn (struct riscv_cl_insn *insn, const struct riscv_opcode *mo)
+{
+ insn->insn_mo = mo;
+ insn->insn_opcode = mo->match;
+ insn->frag = NULL;
+ insn->where = 0;
+ insn->fixp = NULL;
+}
+
+/* Install INSN at the location specified by its "frag" and "where" fields. */
+
+static void
+install_insn (const struct riscv_cl_insn *insn)
+{
+ char *f = insn->frag->fr_literal + insn->where;
+ md_number_to_chars (f, insn->insn_opcode, insn_length (insn));
+}
+
+/* Move INSN to offset WHERE in FRAG. Adjust the fixups accordingly
+ and install the opcode in the new location. */
+
+static void
+move_insn (struct riscv_cl_insn *insn, fragS *frag, long where)
+{
+ insn->frag = frag;
+ insn->where = where;
+ if (insn->fixp != NULL)
+ {
+ insn->fixp->fx_frag = frag;
+ insn->fixp->fx_where = where;
+ }
+ install_insn (insn);
+}
+
+/* Add INSN to the end of the output. */
+
+static void
+add_fixed_insn (struct riscv_cl_insn *insn)
+{
+ char *f = frag_more (insn_length (insn));
+ move_insn (insn, frag_now, f - frag_now->fr_literal);
+}
+
+static void
+add_relaxed_insn (struct riscv_cl_insn *insn, int max_chars, int var,
+ relax_substateT subtype, symbolS *symbol, offsetT offset)
+{
+ frag_grow (max_chars);
+ move_insn (insn, frag_now, frag_more (0) - frag_now->fr_literal);
+ frag_var (rs_machine_dependent, max_chars, var,
+ subtype, symbol, offset, NULL);
+}
+
+/* Compute the length of a branch sequence, and adjust the stored length
+ accordingly. If FRAGP is NULL, the worst-case length is returned. */
+
+static unsigned
+relaxed_branch_length (fragS *fragp, asection *sec, int update)
+{
+ int jump, rvc, length = 8;
+
+ if (!fragp)
+ return length;
+
+ jump = RELAX_BRANCH_UNCOND (fragp->fr_subtype);
+ rvc = RELAX_BRANCH_RVC (fragp->fr_subtype);
+ length = RELAX_BRANCH_LENGTH (fragp->fr_subtype);
+
+ /* Assume jumps are in range; the linker will catch any that aren't. */
+ length = jump ? 4 : 8;
+
+ if (fragp->fr_symbol != NULL
+ && S_IS_DEFINED (fragp->fr_symbol)
+ && sec == S_GET_SEGMENT (fragp->fr_symbol))
+ {
+ offsetT val = S_GET_VALUE (fragp->fr_symbol) + fragp->fr_offset;
+ bfd_vma rvc_range = jump ? RVC_JUMP_REACH : RVC_BRANCH_REACH;
+ val -= fragp->fr_address + fragp->fr_fix;
+
+ if (rvc && (bfd_vma)(val + rvc_range/2) < rvc_range)
+ length = 2;
+ else if ((bfd_vma)(val + RISCV_BRANCH_REACH/2) < RISCV_BRANCH_REACH)
+ length = 4;
+ else if (!jump && rvc)
+ length = 6;
+ }
+
+ if (update)
+ fragp->fr_subtype = RELAX_BRANCH_ENCODE (jump, rvc, length);
+
+ return length;
+}
+
+struct regname
+{
+ const char *name;
+ unsigned int num;
+};
+
+enum reg_class
+{
+ RCLASS_GPR,
+ RCLASS_FPR,
+ RCLASS_CSR,
+ RCLASS_MAX
+};
+
+static struct hash_control *reg_names_hash = NULL;
+
+#define ENCODE_REG_HASH(cls, n) \
+ ((void *)(uintptr_t)((n) * RCLASS_MAX + (cls) + 1))
+#define DECODE_REG_CLASS(hash) (((uintptr_t)(hash) - 1) % RCLASS_MAX)
+#define DECODE_REG_NUM(hash) (((uintptr_t)(hash) - 1) / RCLASS_MAX)
+
+static void
+hash_reg_name (enum reg_class class, const char *name, unsigned n)
+{
+ void *hash = ENCODE_REG_HASH (class, n);
+ const char *retval = hash_insert (reg_names_hash, name, hash);
+
+ if (retval != NULL)
+ as_fatal (_("internal error: can't hash `%s': %s"), name, retval);
+}
+
+static void
+hash_reg_names (enum reg_class class, const char * const names[], unsigned n)
+{
+ unsigned i;
+
+ for (i = 0; i < n; i++)
+ hash_reg_name (class, names[i], i);
+}
+
+static unsigned int
+reg_lookup_internal (const char *s, enum reg_class class)
+{
+ struct regname *r = (struct regname *) hash_find (reg_names_hash, s);
+
+ if (r == NULL || DECODE_REG_CLASS (r) != class)
+ return -1;
+ return DECODE_REG_NUM (r);
+}
+
+static bfd_boolean
+reg_lookup (char **s, enum reg_class class, unsigned int *regnop)
+{
+ char *e;
+ char save_c;
+ int reg = -1;
+
+ /* Find end of name. */
+ e = *s;
+ if (is_name_beginner (*e))
+ ++e;
+ while (is_part_of_name (*e))
+ ++e;
+
+ /* Terminate name. */
+ save_c = *e;
+ *e = '\0';
+
+ /* Look for the register. Advance to next token if one was recognized. */
+ if ((reg = reg_lookup_internal (*s, class)) >= 0)
+ *s = e;
+
+ *e = save_c;
+ if (regnop)
+ *regnop = reg;
+ return reg >= 0;
+}
+
+static bfd_boolean
+arg_lookup (char **s, const char *const *array, size_t size, unsigned *regnop)
+{
+ const char *p = strchr (*s, ',');
+ size_t i, len = p ? (size_t)(p - *s) : strlen (*s);
+
+ for (i = 0; i < size; i++)
+ if (array[i] != NULL && strncmp (array[i], *s, len) == 0)
+ {
+ *regnop = i;
+ *s += len;
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/* For consistency checking, verify that all bits are specified either
+ by the match/mask part of the instruction definition, or by the
+ operand list. */
+static bfd_boolean
+validate_riscv_insn (const struct riscv_opcode *opc)
+{
+ const char *p = opc->args;
+ char c;
+ insn_t used_bits = opc->mask;
+ int insn_width = 8 * riscv_insn_length (opc->match);
+ insn_t required_bits = ~0ULL >> (64 - insn_width);
+
+ if ((used_bits & opc->match) != (opc->match & required_bits))
+ {
+ as_bad (_("internal: bad RISC-V opcode (mask error): %s %s"),
+ opc->name, opc->args);
+ return FALSE;
+ }
+
+#define USE_BITS(mask,shift) (used_bits |= ((insn_t)(mask) << (shift)))
+ while (*p)
+ switch (c = *p++)
+ {
+ case 'C': /* RVC */
+ switch (c = *p++)
+ {
+ case 'a': used_bits |= ENCODE_RVC_J_IMM(-1U); break;
+ case 'c': break; /* RS1, constrained to equal sp */
+ case 'i': used_bits |= ENCODE_RVC_SIMM3(-1U); break;
+ case 'j': used_bits |= ENCODE_RVC_IMM(-1U); break;
+ case 'k': used_bits |= ENCODE_RVC_LW_IMM(-1U); break;
+ case 'l': used_bits |= ENCODE_RVC_LD_IMM(-1U); break;
+ case 'm': used_bits |= ENCODE_RVC_LWSP_IMM(-1U); break;
+ case 'n': used_bits |= ENCODE_RVC_LDSP_IMM(-1U); break;
+ case 'p': used_bits |= ENCODE_RVC_B_IMM(-1U); break;
+ case 's': USE_BITS (OP_MASK_CRS1S, OP_SH_CRS1S); break;
+ case 't': USE_BITS (OP_MASK_CRS2S, OP_SH_CRS2S); break;
+ case 'u': used_bits |= ENCODE_RVC_IMM(-1U); break;
+ case 'v': used_bits |= ENCODE_RVC_IMM(-1U); break;
+ case 'w': break; /* RS1S, constrained to equal RD */
+ case 'x': break; /* RS2S, constrained to equal RD */
+ case 'K': used_bits |= ENCODE_RVC_ADDI4SPN_IMM(-1U); break;
+ case 'L': used_bits |= ENCODE_RVC_ADDI16SP_IMM(-1U); break;
+ case 'M': used_bits |= ENCODE_RVC_SWSP_IMM(-1U); break;
+ case 'N': used_bits |= ENCODE_RVC_SDSP_IMM(-1U); break;
+ case 'U': break; /* RS1, constrained to equal RD */
+ case 'V': USE_BITS (OP_MASK_CRS2, OP_SH_CRS2); break;
+ case '<': used_bits |= ENCODE_RVC_IMM(-1U); break;
+ case '>': used_bits |= ENCODE_RVC_IMM(-1U); break;
+ case 'T': USE_BITS (OP_MASK_CRS2, OP_SH_CRS2); break;
+ case 'D': USE_BITS (OP_MASK_CRS2S, OP_SH_CRS2S); break;
+ default:
+ as_bad (_("internal: bad RISC-V opcode (unknown operand type `C%c'): %s %s"),
+ c, opc->name, opc->args);
+ return FALSE;
+ }
+ break;
+ case ',': break;
+ case '(': break;
+ case ')': break;
+ case '<': USE_BITS (OP_MASK_SHAMTW, OP_SH_SHAMTW); break;
+ case '>': USE_BITS (OP_MASK_SHAMT, OP_SH_SHAMT); break;
+ case 'A': break;
+ case 'D': USE_BITS (OP_MASK_RD, OP_SH_RD); break;
+ case 'Z': USE_BITS (OP_MASK_RS1, OP_SH_RS1); break;
+ case 'E': USE_BITS (OP_MASK_CSR, OP_SH_CSR); break;
+ case 'I': break;
+ case 'R': USE_BITS (OP_MASK_RS3, OP_SH_RS3); break;
+ case 'S': USE_BITS (OP_MASK_RS1, OP_SH_RS1); break;
+ case 'U': USE_BITS (OP_MASK_RS1, OP_SH_RS1); /* fallthru */
+ case 'T': USE_BITS (OP_MASK_RS2, OP_SH_RS2); break;
+ case 'd': USE_BITS (OP_MASK_RD, OP_SH_RD); break;
+ case 'm': USE_BITS (OP_MASK_RM, OP_SH_RM); break;
+ case 's': USE_BITS (OP_MASK_RS1, OP_SH_RS1); break;
+ case 't': USE_BITS (OP_MASK_RS2, OP_SH_RS2); break;
+ case 'P': USE_BITS (OP_MASK_PRED, OP_SH_PRED); break;
+ case 'Q': USE_BITS (OP_MASK_SUCC, OP_SH_SUCC); break;
+ case 'o':
+ case 'j': used_bits |= ENCODE_ITYPE_IMM(-1U); break;
+ case 'a': used_bits |= ENCODE_UJTYPE_IMM(-1U); break;
+ case 'p': used_bits |= ENCODE_SBTYPE_IMM(-1U); break;
+ case 'q': used_bits |= ENCODE_STYPE_IMM(-1U); break;
+ case 'u': used_bits |= ENCODE_UTYPE_IMM(-1U); break;
+ case '[': break;
+ case ']': break;
+ case '0': break;
+ default:
+ as_bad (_("internal: bad RISC-V opcode "
+ "(unknown operand type `%c'): %s %s"),
+ c, opc->name, opc->args);
+ return FALSE;
+ }
+#undef USE_BITS
+ if (used_bits != required_bits)
+ {
+ as_bad (_("internal: bad RISC-V opcode (bits 0x%lx undefined): %s %s"),
+ ~(unsigned long)(used_bits & required_bits),
+ opc->name, opc->args);
+ return FALSE;
+ }
+ return TRUE;
+}
+
+struct percent_op_match
+{
+ const char *str;
+ bfd_reloc_code_real_type reloc;
+};
+
+/* This function is called once, at assembler startup time. It should set up
+ all the tables, etc. that the MD part of the assembler will need. */
+
+void
+md_begin (void)
+{
+ int i = 0;
+
+ if (! bfd_set_arch_mach (stdoutput, bfd_arch_riscv, 0))
+ as_warn (_("Could not set architecture and machine"));
+
+ op_hash = hash_new ();
+
+ while (riscv_opcodes[i].name)
+ {
+ const char *name = riscv_opcodes[i].name;
+ const char *hash_error =
+ hash_insert (op_hash, name, (void *) &riscv_opcodes[i]);
+
+ if (hash_error)
+ {
+ fprintf (stderr, _("internal error: can't hash `%s': %s\n"),
+ riscv_opcodes[i].name, hash_error);
+ /* Probably a memory allocation problem? Give up now. */
+ as_fatal (_("Broken assembler. No assembly attempted."));
+ }
+
+ do
+ {
+ if (riscv_opcodes[i].pinfo != INSN_MACRO)
+ {
+ if (!validate_riscv_insn (&riscv_opcodes[i]))
+ as_fatal (_("Broken assembler. No assembly attempted."));
+ }
+ ++i;
+ }
+ while (riscv_opcodes[i].name && !strcmp (riscv_opcodes[i].name, name));
+ }
+
+ reg_names_hash = hash_new ();
+ hash_reg_names (RCLASS_GPR, riscv_gpr_names_numeric, NGPR);
+ hash_reg_names (RCLASS_GPR, riscv_gpr_names_abi, NGPR);
+ hash_reg_names (RCLASS_FPR, riscv_fpr_names_numeric, NFPR);
+ hash_reg_names (RCLASS_FPR, riscv_fpr_names_abi, NFPR);
+
+#define DECLARE_CSR(name, num) hash_reg_name (RCLASS_CSR, #name, num);
+#include "opcode/riscv-opc.h"
+#undef DECLARE_CSR
+
+ /* Set the default alignment for the text section. */
+ record_alignment (text_section, riscv_opts.rvc ? 1 : 2);
+}
+
+/* Output an instruction. IP is the instruction information.
+ ADDRESS_EXPR is an operand of the instruction to be used with
+ RELOC_TYPE. */
+
+static void
+append_insn (struct riscv_cl_insn *ip, expressionS *address_expr,
+ bfd_reloc_code_real_type reloc_type)
+{
+ dwarf2_emit_insn (0);
+
+ if (reloc_type != BFD_RELOC_UNUSED)
+ {
+ reloc_howto_type *howto;
+
+ gas_assert(address_expr);
+ if (reloc_type == BFD_RELOC_12_PCREL
+ || reloc_type == BFD_RELOC_RISCV_JMP)
+ {
+ int j = reloc_type == BFD_RELOC_RISCV_JMP;
+ int best_case = riscv_insn_length (ip->insn_opcode);
+ unsigned worst_case = relaxed_branch_length (NULL, NULL, 0);
+ add_relaxed_insn (ip, worst_case, best_case,
+ RELAX_BRANCH_ENCODE (j, best_case == 2, worst_case),
+ address_expr->X_add_symbol,
+ address_expr->X_add_number);
+ return;
+ }
+ else if (address_expr->X_op == O_constant)
+ {
+ switch (reloc_type)
+ {
+ case BFD_RELOC_32:
+ ip->insn_opcode |= address_expr->X_add_number;
+ goto append;
+
+ case BFD_RELOC_RISCV_HI20:
+ {
+ insn_t imm = RISCV_CONST_HIGH_PART (address_expr->X_add_number);
+ ip->insn_opcode |= ENCODE_UTYPE_IMM (imm);
+ goto append;
+ }
+
+ case BFD_RELOC_RISCV_LO12_S:
+ ip->insn_opcode |= ENCODE_STYPE_IMM (address_expr->X_add_number);
+ goto append;
+
+ case BFD_RELOC_RISCV_LO12_I:
+ ip->insn_opcode |= ENCODE_ITYPE_IMM (address_expr->X_add_number);
+ goto append;
+
+ default:
+ break;
+ }
+ }
+
+ howto = bfd_reloc_type_lookup (stdoutput, reloc_type);
+ if (howto == NULL)
+ as_bad (_("Unsupported RISC-V relocation number %d"), reloc_type);
+
+ ip->fixp = fix_new_exp (ip->frag, ip->where,
+ bfd_get_reloc_size (howto),
+ address_expr, FALSE, reloc_type);
+ }
+
+append:
+ add_fixed_insn (ip);
+ install_insn (ip);
+}
+
+/* Build an instruction created by a macro expansion. This is passed
+ a pointer to the count of instructions created so far, an
+ expression, the name of the instruction to build, an operand format
+ string, and corresponding arguments. */
+
+static void
+macro_build (expressionS *ep, const char *name, const char *fmt, ...)
+{
+ const struct riscv_opcode *mo;
+ struct riscv_cl_insn insn;
+ bfd_reloc_code_real_type r;
+ va_list args;
+
+ va_start (args, fmt);
+
+ r = BFD_RELOC_UNUSED;
+ mo = (struct riscv_opcode *) hash_find (op_hash, name);
+ gas_assert (mo);
+
+ /* Find a non-RVC variant of the instruction. append_insn will compress
+ it if possible. */
+ while (riscv_insn_length (mo->match) < 4)
+ mo++;
+ gas_assert (strcmp (name, mo->name) == 0);
+
+ create_insn (&insn, mo);
+ for (;;)
+ {
+ switch (*fmt++)
+ {
+ case 'd':
+ INSERT_OPERAND (RD, insn, va_arg (args, int));
+ continue;
+
+ case 's':
+ INSERT_OPERAND (RS1, insn, va_arg (args, int));
+ continue;
+
+ case 't':
+ INSERT_OPERAND (RS2, insn, va_arg (args, int));
+ continue;
+
+ case '>':
+ INSERT_OPERAND (SHAMT, insn, va_arg (args, int));
+ continue;
+
+ case 'j':
+ case 'u':
+ case 'q':
+ gas_assert (ep != NULL);
+ r = va_arg (args, int);
+ continue;
+
+ case '\0':
+ break;
+ case ',':
+ continue;
+ default:
+ as_fatal (_("internal error: invalid macro"));
+ }
+ break;
+ }
+ va_end (args);
+ gas_assert (r == BFD_RELOC_UNUSED ? ep == NULL : ep != NULL);
+
+ append_insn (&insn, ep, r);
+}
+
+/* Sign-extend 32-bit mode constants that have bit 31 set and all higher bits
+ unset. */
+static void
+normalize_constant_expr (expressionS *ex)
+{
+ if (xlen > 32)
+ return;
+ if ((ex->X_op == O_constant || ex->X_op == O_symbol)
+ && IS_ZEXT_32BIT_NUM (ex->X_add_number))
+ ex->X_add_number = (((ex->X_add_number & 0xffffffff) ^ 0x80000000)
+ - 0x80000000);
+}
+
+/* Fail if an expression is not a constant. */
+
+static void
+check_absolute_expr (struct riscv_cl_insn *ip, expressionS *ex)
+{
+ if (ex->X_op == O_big)
+ as_bad (_("unsupported large constant"));
+ else if (ex->X_op != O_constant)
+ as_bad (_("Instruction %s requires absolute expression"),
+ ip->insn_mo->name);
+ normalize_constant_expr (ex);
+}
+
+static symbolS *
+make_internal_label (void)
+{
+ return (symbolS *) local_symbol_make (FAKE_LABEL_NAME, now_seg,
+ (valueT) frag_now_fix(), frag_now);
+}
+
+/* Load an entry from the GOT. */
+static void
+pcrel_access (int destreg, int tempreg, expressionS *ep,
+ const char *lo_insn, const char *lo_pattern,
+ bfd_reloc_code_real_type hi_reloc,
+ bfd_reloc_code_real_type lo_reloc)
+{
+ expressionS ep2;
+ ep2.X_op = O_symbol;
+ ep2.X_add_symbol = make_internal_label ();
+ ep2.X_add_number = 0;
+
+ macro_build (ep, "auipc", "d,u", tempreg, hi_reloc);
+ macro_build (&ep2, lo_insn, lo_pattern, destreg, tempreg, lo_reloc);
+}
+
+static void
+pcrel_load (int destreg, int tempreg, expressionS *ep, const char *lo_insn,
+ bfd_reloc_code_real_type hi_reloc,
+ bfd_reloc_code_real_type lo_reloc)
+{
+ pcrel_access (destreg, tempreg, ep, lo_insn, "d,s,j", hi_reloc, lo_reloc);
+}
+
+static void
+pcrel_store (int srcreg, int tempreg, expressionS *ep, const char *lo_insn,
+ bfd_reloc_code_real_type hi_reloc,
+ bfd_reloc_code_real_type lo_reloc)
+{
+ pcrel_access (srcreg, tempreg, ep, lo_insn, "t,s,q", hi_reloc, lo_reloc);
+}
+
+/* PC-relative function call using AUIPC/JALR, relaxed to JAL. */
+static void
+riscv_call (int destreg, int tempreg, expressionS *ep,
+ bfd_reloc_code_real_type reloc)
+{
+ macro_build (ep, "auipc", "d,u", tempreg, reloc);
+ macro_build (NULL, "jalr", "d,s", destreg, tempreg);
+}
+
+/* Load an integer constant into a register. */
+
+static void
+load_const (int reg, expressionS *ep)
+{
+ int shift = RISCV_IMM_BITS;
+ expressionS upper = *ep, lower = *ep;
+ lower.X_add_number = (int32_t) ep->X_add_number << (32-shift) >> (32-shift);
+ upper.X_add_number -= lower.X_add_number;
+
+ if (ep->X_op != O_constant)
+ {
+ as_bad (_("unsupported large constant"));
+ return;
+ }
+
+ if (xlen > 32 && !IS_SEXT_32BIT_NUM(ep->X_add_number))
+ {
+ /* Reduce to a signed 32-bit constant using SLLI and ADDI. */
+ while (((upper.X_add_number >> shift) & 1) == 0)
+ shift++;
+
+ upper.X_add_number = (int64_t) upper.X_add_number >> shift;
+ load_const(reg, &upper);
+
+ macro_build (NULL, "slli", "d,s,>", reg, reg, shift);
+ if (lower.X_add_number != 0)
+ macro_build (&lower, "addi", "d,s,j", reg, reg, BFD_RELOC_RISCV_LO12_I);
+ }
+ else
+ {
+ /* Simply emit LUI and/or ADDI to build a 32-bit signed constant. */
+ int hi_reg = 0;
+
+ if (upper.X_add_number != 0)
+ {
+ macro_build (ep, "lui", "d,u", reg, BFD_RELOC_RISCV_HI20);
+ hi_reg = reg;
+ }
+
+ if (lower.X_add_number != 0 || hi_reg == 0)
+ macro_build (ep, ADD32_INSN, "d,s,j", reg, hi_reg,
+ BFD_RELOC_RISCV_LO12_I);
+ }
+}
+
+/* Expand RISC-V assembly macros into one or more instructions. */
+static void
+macro (struct riscv_cl_insn *ip, expressionS *imm_expr,
+ bfd_reloc_code_real_type *imm_reloc)
+{
+ int rd = (ip->insn_opcode >> OP_SH_RD) & OP_MASK_RD;
+ int rs1 = (ip->insn_opcode >> OP_SH_RS1) & OP_MASK_RS1;
+ int rs2 = (ip->insn_opcode >> OP_SH_RS2) & OP_MASK_RS2;
+ int mask = ip->insn_mo->mask;
+
+ switch (mask)
+ {
+ case M_LI:
+ load_const (rd, imm_expr);
+ break;
+
+ case M_LA:
+ case M_LLA:
+ /* Load the address of a symbol into a register. */
+ if (!IS_SEXT_32BIT_NUM (imm_expr->X_add_number))
+ as_bad (_("offset too large"));
+
+ if (imm_expr->X_op == O_constant)
+ load_const (rd, imm_expr);
+ else if (riscv_opts.pic && mask == M_LA) /* Global PIC symbol */
+ pcrel_load (rd, rd, imm_expr, LOAD_ADDRESS_INSN,
+ BFD_RELOC_RISCV_GOT_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ else /* Local PIC symbol, or any non-PIC symbol */
+ pcrel_load (rd, rd, imm_expr, "addi",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_LA_TLS_GD:
+ pcrel_load (rd, rd, imm_expr, "addi",
+ BFD_RELOC_RISCV_TLS_GD_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_LA_TLS_IE:
+ pcrel_load (rd, rd, imm_expr, LOAD_ADDRESS_INSN,
+ BFD_RELOC_RISCV_TLS_GOT_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_LB:
+ pcrel_load (rd, rd, imm_expr, "lb",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_LBU:
+ pcrel_load (rd, rd, imm_expr, "lbu",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_LH:
+ pcrel_load (rd, rd, imm_expr, "lh",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_LHU:
+ pcrel_load (rd, rd, imm_expr, "lhu",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_LW:
+ pcrel_load (rd, rd, imm_expr, "lw",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_LWU:
+ pcrel_load (rd, rd, imm_expr, "lwu",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_LD:
+ pcrel_load (rd, rd, imm_expr, "ld",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_FLW:
+ pcrel_load (rd, rs1, imm_expr, "flw",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_FLD:
+ pcrel_load (rd, rs1, imm_expr, "fld",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I);
+ break;
+
+ case M_SB:
+ pcrel_store (rs2, rs1, imm_expr, "sb",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S);
+ break;
+
+ case M_SH:
+ pcrel_store (rs2, rs1, imm_expr, "sh",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S);
+ break;
+
+ case M_SW:
+ pcrel_store (rs2, rs1, imm_expr, "sw",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S);
+ break;
+
+ case M_SD:
+ pcrel_store (rs2, rs1, imm_expr, "sd",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S);
+ break;
+
+ case M_FSW:
+ pcrel_store (rs2, rs1, imm_expr, "fsw",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S);
+ break;
+
+ case M_FSD:
+ pcrel_store (rs2, rs1, imm_expr, "fsd",
+ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S);
+ break;
+
+ case M_CALL:
+ riscv_call (rd, rs1, imm_expr, *imm_reloc);
+ break;
+
+ default:
+ as_bad (_("Macro %s not implemented"), ip->insn_mo->name);
+ break;
+ }
+}
+
+static const struct percent_op_match percent_op_utype[] =
+{
+ {"%tprel_hi", BFD_RELOC_RISCV_TPREL_HI20},
+ {"%pcrel_hi", BFD_RELOC_RISCV_PCREL_HI20},
+ {"%tls_ie_pcrel_hi", BFD_RELOC_RISCV_TLS_GOT_HI20},
+ {"%tls_gd_pcrel_hi", BFD_RELOC_RISCV_TLS_GD_HI20},
+ {"%hi", BFD_RELOC_RISCV_HI20},
+ {0, 0}
+};
+
+static const struct percent_op_match percent_op_itype[] =
+{
+ {"%lo", BFD_RELOC_RISCV_LO12_I},
+ {"%tprel_lo", BFD_RELOC_RISCV_TPREL_LO12_I},
+ {"%pcrel_lo", BFD_RELOC_RISCV_PCREL_LO12_I},
+ {0, 0}
+};
+
+static const struct percent_op_match percent_op_stype[] =
+{
+ {"%lo", BFD_RELOC_RISCV_LO12_S},
+ {"%tprel_lo", BFD_RELOC_RISCV_TPREL_LO12_S},
+ {"%pcrel_lo", BFD_RELOC_RISCV_PCREL_LO12_S},
+ {0, 0}
+};
+
+static const struct percent_op_match percent_op_rtype[] =
+{
+ {"%tprel_add", BFD_RELOC_RISCV_TPREL_ADD},
+ {0, 0}
+};
+
+/* Return true if *STR points to a relocation operator. When returning true,
+ move *STR over the operator and store its relocation code in *RELOC.
+ Leave both *STR and *RELOC alone when returning false. */
+
+static bfd_boolean
+parse_relocation (char **str, bfd_reloc_code_real_type *reloc,
+ const struct percent_op_match *percent_op)
+{
+ for ( ; percent_op->str; percent_op++)
+ if (strncasecmp (*str, percent_op->str, strlen (percent_op->str)) == 0)
+ {
+ int len = strlen (percent_op->str);
+
+ if (!ISSPACE ((*str)[len]) && (*str)[len] != '(')
+ continue;
+
+ *str += strlen (percent_op->str);
+ *reloc = percent_op->reloc;
+
+ /* Check whether the output BFD supports this relocation.
+ If not, issue an error and fall back on something safe. */
+ if (!bfd_reloc_type_lookup (stdoutput, percent_op->reloc))
+ {
+ as_bad ("relocation %s isn't supported by the current ABI",
+ percent_op->str);
+ *reloc = BFD_RELOC_UNUSED;
+ }
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static void
+my_getExpression (expressionS *ep, char *str)
+{
+ char *save_in;
+
+ save_in = input_line_pointer;
+ input_line_pointer = str;
+ expression (ep);
+ expr_end = input_line_pointer;
+ input_line_pointer = save_in;
+}
+
+/* Parse string STR as a 16-bit relocatable operand. Store the
+ expression in *EP and the relocation, if any, in RELOC.
+ Return the number of relocation operators used (0 or 1).
+
+ On exit, EXPR_END points to the first character after the expression. */
+
+static size_t
+my_getSmallExpression (expressionS *ep, bfd_reloc_code_real_type *reloc,
+ char *str, const struct percent_op_match *percent_op)
+{
+ size_t reloc_index;
+ unsigned crux_depth, str_depth, regno;
+ char *crux;
+
+ /* First, check for integer registers. */
+ if (reg_lookup (&str, RCLASS_GPR, ®no))
+ {
+ ep->X_op = O_register;
+ ep->X_add_number = regno;
+ return 0;
+ }
+
+ /* Search for the start of the main expression.
+ End the loop with CRUX pointing to the start
+ of the main expression and with CRUX_DEPTH containing the number
+ of open brackets at that point. */
+ reloc_index = -1;
+ str_depth = 0;
+ do
+ {
+ reloc_index++;
+ crux = str;
+ crux_depth = str_depth;
+
+ /* Skip over whitespace and brackets, keeping count of the number
+ of brackets. */
+ while (*str == ' ' || *str == '\t' || *str == '(')
+ if (*str++ == '(')
+ str_depth++;
+ }
+ while (*str == '%'
+ && reloc_index < 1
+ && parse_relocation (&str, reloc, percent_op));
+
+ my_getExpression (ep, crux);
+ str = expr_end;
+
+ /* Match every open bracket. */
+ while (crux_depth > 0 && (*str == ')' || *str == ' ' || *str == '\t'))
+ if (*str++ == ')')
+ crux_depth--;
+
+ if (crux_depth > 0)
+ as_bad ("unclosed '('");
+
+ expr_end = str;
+
+ return reloc_index;
+}
+
+/* This routine assembles an instruction into its binary format. As a
+ side effect, it sets the global variable imm_reloc to the type of
+ relocation to do if one of the operands is an address expression. */
+
+static const char *
+riscv_ip (char *str, struct riscv_cl_insn *ip, expressionS *imm_expr,
+ bfd_reloc_code_real_type *imm_reloc)
+{
+ char *s;
+ const char *args;
+ char c = 0;
+ struct riscv_opcode *insn;
+ char *argsStart;
+ unsigned int regno;
+ char save_c = 0;
+ int argnum;
+ const struct percent_op_match *p;
+ const char *error = "unrecognized opcode";
+
+ /* Parse the name of the instruction. Terminate the string if whitespace
+ is found so that hash_find only sees the name part of the string. */
+ for (s = str; *s != '\0'; ++s)
+ if (ISSPACE (*s))
+ {
+ save_c = *s;
+ *s++ = '\0';
+ break;
+ }
+
+ insn = (struct riscv_opcode *) hash_find (op_hash, str);
+
+ argsStart = s;
+ for ( ; insn && insn->name && strcmp (insn->name, str) == 0; insn++)
+ {
+ if (!riscv_subset_supports (insn->subset))
+ continue;
+
+ create_insn (ip, insn);
+ argnum = 1;
+
+ imm_expr->X_op = O_absent;
+ *imm_reloc = BFD_RELOC_UNUSED;
+ p = percent_op_itype;
+
+ for (args = insn->args;; ++args)
+ {
+ s += strspn (s, " \t");
+ switch (*args)
+ {
+ case '\0': /* End of args. */
+ if (insn->pinfo != INSN_MACRO)
+ {
+ if (!insn->match_func (insn, ip->insn_opcode))
+ break;
+ if (riscv_insn_length (insn->match) == 2 && !riscv_opts.rvc)
+ break;
+ }
+ if (*s != '\0')
+ break;
+ /* Successful assembly. */
+ error = NULL;
+ goto out;
+
+ case 'C': /* RVC */
+ switch (*++args)
+ {
+ case 's': /* RS1 x8-x15 */
+ if (!reg_lookup (&s, RCLASS_GPR, ®no)
+ || !(regno >= 8 && regno <= 15))
+ break;
+ INSERT_OPERAND (CRS1S, *ip, regno % 8);
+ continue;
+ case 'w': /* RS1 x8-x15, constrained to equal RD x8-x15. */
+ if (!reg_lookup (&s, RCLASS_GPR, ®no)
+ || EXTRACT_OPERAND (CRS1S, ip->insn_opcode) + 8 != regno)
+ break;
+ continue;
+ case 't': /* RS2 x8-x15 */
+ if (!reg_lookup (&s, RCLASS_GPR, ®no)
+ || !(regno >= 8 && regno <= 15))
+ break;
+ INSERT_OPERAND (CRS2S, *ip, regno % 8);
+ continue;
+ case 'x': /* RS2 x8-x15, constrained to equal RD x8-x15. */
+ if (!reg_lookup (&s, RCLASS_GPR, ®no)
+ || EXTRACT_OPERAND (CRS2S, ip->insn_opcode) + 8 != regno)
+ break;
+ continue;
+ case 'U': /* RS1, constrained to equal RD. */
+ if (!reg_lookup (&s, RCLASS_GPR, ®no)
+ || EXTRACT_OPERAND (RD, ip->insn_opcode) != regno)
+ break;
+ continue;
+ case 'V': /* RS2 */
+ if (!reg_lookup (&s, RCLASS_GPR, ®no))
+ break;
+ INSERT_OPERAND (CRS2, *ip, regno);
+ continue;
+ case 'c': /* RS1, constrained to equal sp. */
+ if (!reg_lookup (&s, RCLASS_GPR, ®no)
+ || regno != X_SP)
+ break;
+ continue;
+ case '>':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || imm_expr->X_add_number <= 0
+ || imm_expr->X_add_number >= 64)
+ break;
+ ip->insn_opcode |= ENCODE_RVC_IMM (imm_expr->X_add_number);
+rvc_imm_done:
+ s = expr_end;
+ imm_expr->X_op = O_absent;
+ continue;
+ case '<':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_RVC_IMM (imm_expr->X_add_number)
+ || imm_expr->X_add_number <= 0
+ || imm_expr->X_add_number >= 32)
+ break;
+ ip->insn_opcode |= ENCODE_RVC_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'i':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || imm_expr->X_add_number == 0
+ || !VALID_RVC_SIMM3 (imm_expr->X_add_number))
+ break;
+ ip->insn_opcode |= ENCODE_RVC_SIMM3 (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'j':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || imm_expr->X_add_number == 0
+ || !VALID_RVC_IMM (imm_expr->X_add_number))
+ break;
+ ip->insn_opcode |= ENCODE_RVC_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'k':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_RVC_LW_IMM (imm_expr->X_add_number))
+ break;
+ ip->insn_opcode |= ENCODE_RVC_LW_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'l':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_RVC_LD_IMM (imm_expr->X_add_number))
+ break;
+ ip->insn_opcode |= ENCODE_RVC_LD_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'm':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_RVC_LWSP_IMM (imm_expr->X_add_number))
+ break;
+ ip->insn_opcode |=
+ ENCODE_RVC_LWSP_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'n':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_RVC_LDSP_IMM (imm_expr->X_add_number))
+ break;
+ ip->insn_opcode |=
+ ENCODE_RVC_LDSP_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'K':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_RVC_ADDI4SPN_IMM (imm_expr->X_add_number)
+ || imm_expr->X_add_number == 0)
+ break;
+ ip->insn_opcode |=
+ ENCODE_RVC_ADDI4SPN_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'L':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_RVC_ADDI16SP_IMM (imm_expr->X_add_number)
+ || imm_expr->X_add_number == 0)
+ break;
+ ip->insn_opcode |=
+ ENCODE_RVC_ADDI16SP_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'M':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_RVC_SWSP_IMM (imm_expr->X_add_number))
+ break;
+ ip->insn_opcode |=
+ ENCODE_RVC_SWSP_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'N':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || imm_expr->X_op != O_constant
+ || !VALID_RVC_SDSP_IMM (imm_expr->X_add_number))
+ break;
+ ip->insn_opcode |=
+ ENCODE_RVC_SDSP_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'u':
+ p = percent_op_utype;
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p))
+ break;
+rvc_lui:
+ if (imm_expr->X_op != O_constant
+ || imm_expr->X_add_number <= 0
+ || imm_expr->X_add_number >= RISCV_BIGIMM_REACH
+ || (imm_expr->X_add_number >= RISCV_RVC_IMM_REACH / 2
+ && (imm_expr->X_add_number <
+ RISCV_BIGIMM_REACH - RISCV_RVC_IMM_REACH / 2)))
+ break;
+ ip->insn_opcode |= ENCODE_RVC_IMM (imm_expr->X_add_number);
+ goto rvc_imm_done;
+ case 'v':
+ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ || (imm_expr->X_add_number & (RISCV_IMM_REACH - 1))
+ || ((int32_t)imm_expr->X_add_number
+ != imm_expr->X_add_number))
+ break;
+ imm_expr->X_add_number =
+ ((uint32_t) imm_expr->X_add_number) >> RISCV_IMM_BITS;
+ goto rvc_lui;
+ case 'p':
+ goto branch;
+ case 'a':
+ goto jump;
+ case 'D': /* Floating-point RS2 x8-x15. */
+ if (!reg_lookup (&s, RCLASS_FPR, ®no)
+ || !(regno >= 8 && regno <= 15))
+ break;
+ INSERT_OPERAND (CRS2S, *ip, regno % 8);
+ continue;
+ case 'T': /* Floating-point RS2. */
+ if (!reg_lookup (&s, RCLASS_FPR, ®no))
+ break;
+ INSERT_OPERAND (CRS2, *ip, regno);
+ continue;
+ default:
+ as_bad (_("bad RVC field specifier 'C%c'\n"), *args);
+ }
+ break;
+
+ case ',':
+ ++argnum;
+ if (*s++ == *args)
+ continue;
+ s--;
+ break;
+
+ case '(':
+ case ')':
+ case '[':
+ case ']':
+ if (*s++ == *args)
+ continue;
+ break;
+
+ case '<': /* Shift amount, 0 - 31. */
+ my_getExpression (imm_expr, s);
+ check_absolute_expr (ip, imm_expr);
+ if ((unsigned long) imm_expr->X_add_number > 31)
+ as_warn (_("Improper shift amount (%lu)"),
+ (unsigned long) imm_expr->X_add_number);
+ INSERT_OPERAND (SHAMTW, *ip, imm_expr->X_add_number);
+ imm_expr->X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '>': /* Shift amount, 0 - (XLEN-1). */
+ my_getExpression (imm_expr, s);
+ check_absolute_expr (ip, imm_expr);
+ if ((unsigned long) imm_expr->X_add_number >= xlen)
+ as_warn (_("Improper shift amount (%lu)"),
+ (unsigned long) imm_expr->X_add_number);
+ INSERT_OPERAND (SHAMT, *ip, imm_expr->X_add_number);
+ imm_expr->X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case 'Z': /* CSRRxI immediate. */
+ my_getExpression (imm_expr, s);
+ check_absolute_expr (ip, imm_expr);
+ if ((unsigned long) imm_expr->X_add_number > 31)
+ as_warn (_("Improper CSRxI immediate (%lu)"),
+ (unsigned long) imm_expr->X_add_number);
+ INSERT_OPERAND (RS1, *ip, imm_expr->X_add_number);
+ imm_expr->X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case 'E': /* Control register. */
+ if (reg_lookup (&s, RCLASS_CSR, ®no))
+ INSERT_OPERAND (CSR, *ip, regno);
+ else
+ {
+ my_getExpression (imm_expr, s);
+ check_absolute_expr (ip, imm_expr);
+ if ((unsigned long) imm_expr->X_add_number > 0xfff)
+ as_warn(_("Improper CSR address (%lu)"),
+ (unsigned long) imm_expr->X_add_number);
+ INSERT_OPERAND (CSR, *ip, imm_expr->X_add_number);
+ imm_expr->X_op = O_absent;
+ s = expr_end;
+ }
+ continue;
+
+ case 'm': /* Rounding mode. */
+ if (arg_lookup (&s, riscv_rm, ARRAY_SIZE (riscv_rm), ®no))
+ {
+ INSERT_OPERAND (RM, *ip, regno);
+ continue;
+ }
+ break;
+
+ case 'P':
+ case 'Q': /* Fence predecessor/successor. */
+ if (arg_lookup (&s, riscv_pred_succ, ARRAY_SIZE (riscv_pred_succ),
+ ®no))
+ {
+ if (*args == 'P')
+ INSERT_OPERAND (PRED, *ip, regno);
+ else
+ INSERT_OPERAND (SUCC, *ip, regno);
+ continue;
+ }
+ break;
+
+ case 'd': /* Destination register. */
+ case 's': /* Source register. */
+ case 't': /* Target register. */
+ if (reg_lookup (&s, RCLASS_GPR, ®no))
+ {
+ c = *args;
+ if (*s == ' ')
+ ++s;
+
+ /* Now that we have assembled one operand, we use the args
+ string to figure out where it goes in the instruction. */
+ switch (c)
+ {
+ case 's':
+ INSERT_OPERAND (RS1, *ip, regno);
+ break;
+ case 'd':
+ INSERT_OPERAND (RD, *ip, regno);
+ break;
+ case 't':
+ INSERT_OPERAND (RS2, *ip, regno);
+ break;
+ }
+ continue;
+ }
+ break;
+
+ case 'D': /* Floating point rd. */
+ case 'S': /* Floating point rs1. */
+ case 'T': /* Floating point rs2. */
+ case 'U': /* Floating point rs1 and rs2. */
+ case 'R': /* Floating point rs3. */
+ if (reg_lookup (&s, RCLASS_FPR, ®no))
+ {
+ c = *args;
+ if (*s == ' ')
+ ++s;
+ switch (c)
+ {
+ case 'D':
+ INSERT_OPERAND (RD, *ip, regno);
+ break;
+ case 'S':
+ INSERT_OPERAND (RS1, *ip, regno);
+ break;
+ case 'U':
+ INSERT_OPERAND (RS1, *ip, regno);
+ /* fallthru */
+ case 'T':
+ INSERT_OPERAND (RS2, *ip, regno);
+ break;
+ case 'R':
+ INSERT_OPERAND (RS3, *ip, regno);
+ break;
+ }
+ continue;
+ }
+
+ break;
+
+ case 'I':
+ my_getExpression (imm_expr, s);
+ if (imm_expr->X_op != O_big
+ && imm_expr->X_op != O_constant)
+ break;
+ normalize_constant_expr (imm_expr);
+ s = expr_end;
+ continue;
+
+ case 'A':
+ my_getExpression (imm_expr, s);
+ normalize_constant_expr (imm_expr);
+ /* The 'A' format specifier must be a symbol. */
+ if (imm_expr->X_op != O_symbol)
+ break;
+ *imm_reloc = BFD_RELOC_32;
+ s = expr_end;
+ continue;
+
+ case 'j': /* Sign-extended immediate. */
+ *imm_reloc = BFD_RELOC_RISCV_LO12_I;
+ p = percent_op_itype;
+ goto alu_op;
+ case 'q': /* Store displacement. */
+ p = percent_op_stype;
+ *imm_reloc = BFD_RELOC_RISCV_LO12_S;
+ goto load_store;
+ case 'o': /* Load displacement. */
+ p = percent_op_itype;
+ *imm_reloc = BFD_RELOC_RISCV_LO12_I;
+ goto load_store;
+ case '0': /* AMO "displacement," which must be zero. */
+ p = percent_op_rtype;
+ *imm_reloc = BFD_RELOC_UNUSED;
+load_store:
+ /* Check whether there is only a single bracketed expression
+ left. If so, it must be the base register and the
+ constant must be zero. */
+ imm_expr->X_op = O_constant;
+ imm_expr->X_add_number = 0;
+ if (*s == '(' && strchr (s + 1, '(') == 0)
+ continue;
+alu_op:
+ /* If this value won't fit into a 16 bit offset, then go
+ find a macro that will generate the 32 bit offset
+ code pattern. */
+ if (!my_getSmallExpression (imm_expr, imm_reloc, s, p))
+ {
+ normalize_constant_expr (imm_expr);
+ if (imm_expr->X_op != O_constant
+ || (*args == '0' && imm_expr->X_add_number != 0)
+ || imm_expr->X_add_number >= (signed)RISCV_IMM_REACH/2
+ || imm_expr->X_add_number < -(signed)RISCV_IMM_REACH/2)
+ break;
+ }
+
+ s = expr_end;
+ continue;
+
+ case 'p': /* PC-relative offset. */
+branch:
+ *imm_reloc = BFD_RELOC_12_PCREL;
+ my_getExpression (imm_expr, s);
+ s = expr_end;
+ continue;
+
+ case 'u': /* Upper 20 bits. */
+ p = percent_op_utype;
+ if (!my_getSmallExpression (imm_expr, imm_reloc, s, p)
+ && imm_expr->X_op == O_constant)
+ {
+ if (imm_expr->X_add_number < 0
+ || imm_expr->X_add_number >= (signed)RISCV_BIGIMM_REACH)
+ as_bad (_("lui expression not in range 0..1048575"));
+
+ *imm_reloc = BFD_RELOC_RISCV_HI20;
+ imm_expr->X_add_number <<= RISCV_IMM_BITS;
+ }
+ s = expr_end;
+ continue;
+
+ case 'a': /* 20-bit PC-relative offset. */
+jump:
+ my_getExpression (imm_expr, s);
+ s = expr_end;
+ *imm_reloc = BFD_RELOC_RISCV_JMP;
+ continue;
+
+ case 'c':
+ my_getExpression (imm_expr, s);
+ s = expr_end;
+ if (strcmp (s, "@plt") == 0)
+ {
+ *imm_reloc = BFD_RELOC_RISCV_CALL_PLT;
+ s += 4;
+ }
+ else
+ *imm_reloc = BFD_RELOC_RISCV_CALL;
+ continue;
+
+ default:
+ as_fatal (_("internal error: bad argument type %c"), *args);
+ }
+ break;
+ }
+ s = argsStart;
+ error = _("illegal operands");
+ }
+
+out:
+ /* Restore the character we might have clobbered above. */
+ if (save_c)
+ *(argsStart - 1) = save_c;
+
+ return error;
+}
+
+void
+md_assemble (char *str)
+{
+ struct riscv_cl_insn insn;
+ expressionS imm_expr;
+ bfd_reloc_code_real_type imm_reloc = BFD_RELOC_UNUSED;
+
+ const char *error = riscv_ip (str, &insn, &imm_expr, &imm_reloc);
+
+ if (error)
+ {
+ as_bad ("%s `%s'", error, str);
+ return;
+ }
+
+ if (insn.insn_mo->pinfo == INSN_MACRO)
+ macro (&insn, &imm_expr, &imm_reloc);
+ else
+ append_insn (&insn, &imm_expr, imm_reloc);
+}
+
+const char *
+md_atof (int type, char *litP, int *sizeP)
+{
+ return ieee_md_atof (type, litP, sizeP, TARGET_BYTES_BIG_ENDIAN);
+}
+
+void
+md_number_to_chars (char *buf, valueT val, int n)
+{
+ number_to_chars_littleendian (buf, val, n);
+}
+
+const char *md_shortopts = "O::g::G:";
+
+enum options
+{
+ OPTION_M32 = OPTION_MD_BASE,
+ OPTION_M64,
+ OPTION_MARCH,
+ OPTION_PIC,
+ OPTION_NO_PIC,
+ OPTION_MSOFT_FLOAT,
+ OPTION_MHARD_FLOAT,
+ OPTION_MRVC,
+ OPTION_MNO_RVC,
+ OPTION_END_OF_ENUM
+};
+
+struct option md_longopts[] =
+{
+ {"m32", no_argument, NULL, OPTION_M32},
+ {"m64", no_argument, NULL, OPTION_M64},
+ {"march", required_argument, NULL, OPTION_MARCH},
+ {"fPIC", no_argument, NULL, OPTION_PIC},
+ {"fpic", no_argument, NULL, OPTION_PIC},
+ {"fno-pic", no_argument, NULL, OPTION_NO_PIC},
+ {"mrvc", no_argument, NULL, OPTION_MRVC},
+ {"mno-rvc", no_argument, NULL, OPTION_MNO_RVC},
+ {"msoft-float", no_argument, NULL, OPTION_MSOFT_FLOAT},
+ {"mhard-float", no_argument, NULL, OPTION_MHARD_FLOAT},
+
+ {NULL, no_argument, NULL, 0}
+};
+size_t md_longopts_size = sizeof (md_longopts);
+
+enum float_mode
+{
+ FLOAT_MODE_DEFAULT,
+ FLOAT_MODE_SOFT,
+ FLOAT_MODE_HARD
+};
+static enum float_mode float_mode = FLOAT_MODE_DEFAULT;
+
+int
+md_parse_option (int c, const char *arg)
+{
+ switch (c)
+ {
+ case OPTION_MRVC:
+ riscv_set_rvc (TRUE);
+ break;
+
+ case OPTION_MNO_RVC:
+ riscv_set_rvc (FALSE);
+ break;
+
+ case OPTION_MSOFT_FLOAT:
+ float_mode = FLOAT_MODE_SOFT;
+ break;
+
+ case OPTION_MHARD_FLOAT:
+ float_mode = FLOAT_MODE_HARD;
+ break;
+
+ case OPTION_M32:
+ xlen = 32;
+ break;
+
+ case OPTION_M64:
+ xlen = 64;
+ break;
+
+ case OPTION_MARCH:
+ riscv_set_arch (arg);
+ break;
+
+ case OPTION_NO_PIC:
+ riscv_opts.pic = FALSE;
+ break;
+
+ case OPTION_PIC:
+ riscv_opts.pic = TRUE;
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 1;
+}
+
+void
+riscv_after_parse_args (void)
+{
+ if (riscv_subsets == NULL)
+ riscv_set_arch ("RVIMAFD");
+
+ if (xlen == 0)
+ {
+ if (strcmp (default_arch, "riscv32") == 0)
+ xlen = 32;
+ else if (strcmp (default_arch, "riscv64") == 0)
+ xlen = 64;
+ else
+ as_bad ("unknown default architecture `%s'", default_arch);
+ }
+}
+
+long
+md_pcrel_from (fixS *fixP)
+{
+ return fixP->fx_where + fixP->fx_frag->fr_address;
+}
+
+/* Apply a fixup to the object file. */
+
+void
+md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
+{
+ bfd_byte *buf = (bfd_byte *) (fixP->fx_frag->fr_literal + fixP->fx_where);
+
+ /* Remember value for tc_gen_reloc. */
+ fixP->fx_addnumber = *valP;
+
+ switch (fixP->fx_r_type)
+ {
+ case BFD_RELOC_RISCV_TLS_GOT_HI20:
+ case BFD_RELOC_RISCV_TLS_GD_HI20:
+ case BFD_RELOC_RISCV_TLS_DTPREL32:
+ case BFD_RELOC_RISCV_TLS_DTPREL64:
+ case BFD_RELOC_RISCV_TPREL_HI20:
+ case BFD_RELOC_RISCV_TPREL_LO12_I:
+ case BFD_RELOC_RISCV_TPREL_LO12_S:
+ case BFD_RELOC_RISCV_TPREL_ADD:
+ S_SET_THREAD_LOCAL (fixP->fx_addsy);
+ /* Fall through. */
+
+ case BFD_RELOC_RISCV_GOT_HI20:
+ case BFD_RELOC_RISCV_PCREL_HI20:
+ case BFD_RELOC_RISCV_HI20:
+ case BFD_RELOC_RISCV_LO12_I:
+ case BFD_RELOC_RISCV_LO12_S:
+ case BFD_RELOC_RISCV_ADD8:
+ case BFD_RELOC_RISCV_ADD16:
+ case BFD_RELOC_RISCV_ADD32:
+ case BFD_RELOC_RISCV_ADD64:
+ case BFD_RELOC_RISCV_SUB8:
+ case BFD_RELOC_RISCV_SUB16:
+ case BFD_RELOC_RISCV_SUB32:
+ case BFD_RELOC_RISCV_SUB64:
+ gas_assert (fixP->fx_addsy != NULL);
+ /* Nothing needed to do. The value comes from the reloc entry. */
+ break;
+
+ case BFD_RELOC_64:
+ case BFD_RELOC_32:
+ case BFD_RELOC_16:
+ case BFD_RELOC_8:
+ if (fixP->fx_addsy && fixP->fx_subsy)
+ {
+ fixP->fx_next = xmemdup (fixP, sizeof (*fixP), sizeof (*fixP));
+ fixP->fx_next->fx_addsy = fixP->fx_subsy;
+ fixP->fx_next->fx_subsy = NULL;
+ fixP->fx_next->fx_offset = 0;
+ fixP->fx_subsy = NULL;
+
+ switch (fixP->fx_r_type)
+ {
+ case BFD_RELOC_64:
+ fixP->fx_r_type = BFD_RELOC_RISCV_ADD64;
+ fixP->fx_next->fx_r_type = BFD_RELOC_RISCV_SUB64;
+ break;
+
+ case BFD_RELOC_32:
+ fixP->fx_r_type = BFD_RELOC_RISCV_ADD32;
+ fixP->fx_next->fx_r_type = BFD_RELOC_RISCV_SUB32;
+ break;
+
+ case BFD_RELOC_16:
+ fixP->fx_r_type = BFD_RELOC_RISCV_ADD16;
+ fixP->fx_next->fx_r_type = BFD_RELOC_RISCV_SUB16;
+ break;
+
+ case BFD_RELOC_8:
+ fixP->fx_r_type = BFD_RELOC_RISCV_ADD8;
+ fixP->fx_next->fx_r_type = BFD_RELOC_RISCV_SUB8;
+
+ default:
+ /* This case is unreachable. */
+ abort ();
+ }
+ }
+ /* Fall through. */
+
+ case BFD_RELOC_RVA:
+ /* If we are deleting this reloc entry, we must fill in the
+ value now. This can happen if we have a .word which is not
+ resolved when it appears but is later defined. */
+ if (fixP->fx_addsy == NULL)
+ {
+ gas_assert (fixP->fx_size <= sizeof (valueT));
+ md_number_to_chars ((char *) buf, *valP, fixP->fx_size);
+ fixP->fx_done = 1;
+ }
+ break;
+
+ case BFD_RELOC_RISCV_JMP:
+ if (fixP->fx_addsy)
+ {
+ /* Fill in a tentative value to improve objdump readability. */
+ bfd_vma target = S_GET_VALUE (fixP->fx_addsy) + *valP;
+ bfd_vma delta = target - md_pcrel_from (fixP);
+ bfd_putl32 (bfd_getl32 (buf) | ENCODE_UJTYPE_IMM (delta), buf);
+ }
+ break;
+
+ case BFD_RELOC_12_PCREL:
+ if (fixP->fx_addsy)
+ {
+ /* Fill in a tentative value to improve objdump readability. */
+ bfd_vma target = S_GET_VALUE (fixP->fx_addsy) + *valP;
+ bfd_vma delta = target - md_pcrel_from (fixP);
+ bfd_putl32 (bfd_getl32 (buf) | ENCODE_SBTYPE_IMM (delta), buf);
+ }
+ break;
+
+ case BFD_RELOC_RISCV_RVC_BRANCH:
+ if (fixP->fx_addsy)
+ {
+ /* Fill in a tentative value to improve objdump readability. */
+ bfd_vma target = S_GET_VALUE (fixP->fx_addsy) + *valP;
+ bfd_vma delta = target - md_pcrel_from (fixP);
+ bfd_putl16 (bfd_getl16 (buf) | ENCODE_RVC_B_IMM (delta), buf);
+ }
+ break;
+
+ case BFD_RELOC_RISCV_RVC_JUMP:
+ if (fixP->fx_addsy)
+ {
+ /* Fill in a tentative value to improve objdump readability. */
+ bfd_vma target = S_GET_VALUE (fixP->fx_addsy) + *valP;
+ bfd_vma delta = target - md_pcrel_from (fixP);
+ bfd_putl16 (bfd_getl16 (buf) | ENCODE_RVC_J_IMM (delta), buf);
+ }
+ break;
+
+ case BFD_RELOC_RISCV_PCREL_LO12_S:
+ case BFD_RELOC_RISCV_PCREL_LO12_I:
+ case BFD_RELOC_RISCV_CALL:
+ case BFD_RELOC_RISCV_CALL_PLT:
+ case BFD_RELOC_RISCV_ALIGN:
+ break;
+
+ default:
+ /* We ignore generic BFD relocations we don't know about. */
+ if (bfd_reloc_type_lookup (stdoutput, fixP->fx_r_type) != NULL)
+ as_fatal (_("internal error: bad relocation #%d"), fixP->fx_r_type);
+ }
+}
+
+/* This structure is used to hold a stack of .option values. */
+
+struct riscv_option_stack
+{
+ struct riscv_option_stack *next;
+ struct riscv_set_options options;
+};
+
+static struct riscv_option_stack *riscv_opts_stack;
+
+/* Handle the .option pseudo-op. */
+
+static void
+s_riscv_option (int x ATTRIBUTE_UNUSED)
+{
+ char *name = input_line_pointer, ch;
+
+ while (!is_end_of_line[(unsigned char) *input_line_pointer])
+ ++input_line_pointer;
+ ch = *input_line_pointer;
+ *input_line_pointer = '\0';
+
+ if (strcmp (name, "rvc") == 0)
+ riscv_set_rvc (TRUE);
+ else if (strcmp (name, "norvc") == 0)
+ riscv_set_rvc (FALSE);
+ else if (strcmp (name, "pic") == 0)
+ riscv_opts.pic = TRUE;
+ else if (strcmp (name, "nopic") == 0)
+ riscv_opts.pic = FALSE;
+ else if (strcmp (name, "soft-float") == 0)
+ float_mode = FLOAT_MODE_SOFT;
+ else if (strcmp (name, "hard-float") == 0)
+ float_mode = FLOAT_MODE_HARD;
+ else if (strcmp (name, "push") == 0)
+ {
+ struct riscv_option_stack *s;
+
+ s = (struct riscv_option_stack *) xmalloc (sizeof *s);
+ s->next = riscv_opts_stack;
+ s->options = riscv_opts;
+ riscv_opts_stack = s;
+ }
+ else if (strcmp (name, "pop") == 0)
+ {
+ struct riscv_option_stack *s;
+
+ s = riscv_opts_stack;
+ if (s == NULL)
+ as_bad (_(".option pop with no .option push"));
+ else
+ {
+ riscv_opts = s->options;
+ riscv_opts_stack = s->next;
+ free (s);
+ }
+ }
+ else
+ {
+ as_warn (_("Unrecognized .option directive: %s\n"), name);
+ }
+ *input_line_pointer = ch;
+ demand_empty_rest_of_line ();
+}
+
+/* Handle the .dtprelword and .dtpreldword pseudo-ops. They generate
+ a 32-bit or 64-bit DTP-relative relocation (BYTES says which) for
+ use in DWARF debug information. */
+
+static void
+s_dtprel (int bytes)
+{
+ expressionS ex;
+ char *p;
+
+ expression (&ex);
+
+ if (ex.X_op != O_symbol)
+ {
+ as_bad (_("Unsupported use of %s"), (bytes == 8
+ ? ".dtpreldword"
+ : ".dtprelword"));
+ ignore_rest_of_line ();
+ }
+
+ p = frag_more (bytes);
+ md_number_to_chars (p, 0, bytes);
+ fix_new_exp (frag_now, p - frag_now->fr_literal, bytes, &ex, FALSE,
+ (bytes == 8
+ ? BFD_RELOC_RISCV_TLS_DTPREL64
+ : BFD_RELOC_RISCV_TLS_DTPREL32));
+
+ demand_empty_rest_of_line ();
+}
+
+/* Handle the .bss pseudo-op. */
+
+static void
+s_bss (int ignore ATTRIBUTE_UNUSED)
+{
+ subseg_set (bss_section, 0);
+ demand_empty_rest_of_line ();
+}
+
+/* Align to a given power of two. */
+
+static void
+s_align (int bytes_p)
+{
+ int fill_value = 0, fill_value_specified = 0;
+ int min_text_alignment = riscv_opts.rvc ? 2 : 4;
+ int alignment = get_absolute_expression(), bytes;
+
+ if (bytes_p)
+ {
+ bytes = alignment;
+ if (bytes < 1 || (bytes & (bytes-1)) != 0)
+ as_bad (_("alignment not a power of 2: %d"), bytes);
+ for (alignment = 0; bytes > 1; bytes >>= 1)
+ alignment++;
+ }
+
+ bytes = 1 << alignment;
+
+ if (alignment < 0 || alignment > 31)
+ as_bad (_("unsatisfiable alignment: %d"), alignment);
+
+ if (*input_line_pointer == ',')
+ {
+ ++input_line_pointer;
+ fill_value = get_absolute_expression ();
+ fill_value_specified = 1;
+ }
+
+ if (!fill_value_specified
+ && subseg_text_p (now_seg)
+ && bytes > min_text_alignment)
+ {
+ /* Emit the worst-case NOP string. The linker will delete any
+ unnecessary NOPs. This allows us to support code alignment
+ in spite of linker relaxations. */
+ bfd_vma i, worst_case_bytes = bytes - min_text_alignment;
+ char *nops = frag_more (worst_case_bytes);
+ for (i = 0; i < worst_case_bytes - 2; i += 4)
+ md_number_to_chars (nops + i, RISCV_NOP, 4);
+ if (i < worst_case_bytes)
+ md_number_to_chars (nops + i, RVC_NOP, 2);
+
+ expressionS ex;
+ ex.X_op = O_constant;
+ ex.X_add_number = worst_case_bytes;
+
+ fix_new_exp (frag_now, nops - frag_now->fr_literal, 0,
+ &ex, FALSE, BFD_RELOC_RISCV_ALIGN);
+ }
+ else if (alignment)
+ frag_align (alignment, fill_value, 0);
+
+ record_alignment (now_seg, alignment);
+
+ demand_empty_rest_of_line ();
+}
+
+int
+md_estimate_size_before_relax (fragS *fragp, asection *segtype)
+{
+ return (fragp->fr_var = relaxed_branch_length (fragp, segtype, FALSE));
+}
+
+/* Translate internal representation of relocation info to BFD target
+ format. */
+
+arelent *
+tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
+{
+ arelent *reloc = (arelent *) xmalloc (sizeof (arelent));
+
+ reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
+ reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
+ reloc->addend = fixp->fx_addnumber;
+
+ reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
+ if (reloc->howto == NULL)
+ {
+ if ((fixp->fx_r_type == BFD_RELOC_16 || fixp->fx_r_type == BFD_RELOC_8)
+ && fixp->fx_addsy != NULL && fixp->fx_subsy != NULL)
+ {
+ /* We don't have R_RISCV_8/16, but for this special case,
+ we can use R_RISCV_ADD8/16 with R_RISCV_SUB8/16. */
+ return reloc;
+ }
+
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("cannot represent %s relocation in object file"),
+ bfd_get_reloc_code_name (fixp->fx_r_type));
+ return NULL;
+ }
+
+ return reloc;
+}
+
+int
+riscv_relax_frag (asection *sec, fragS *fragp, long stretch ATTRIBUTE_UNUSED)
+{
+ if (RELAX_BRANCH_P (fragp->fr_subtype))
+ {
+ offsetT old_var = fragp->fr_var;
+ fragp->fr_var = relaxed_branch_length (fragp, sec, TRUE);
+ return fragp->fr_var - old_var;
+ }
+
+ return 0;
+}
+
+/* Expand far branches to multi-instruction sequences. */
+
+static void
+md_convert_frag_branch (fragS *fragp)
+{
+ bfd_byte *buf;
+ expressionS exp;
+ fixS *fixp;
+ insn_t insn;
+ int rs1, reloc;
+
+ buf = (bfd_byte *)fragp->fr_literal + fragp->fr_fix;
+
+ exp.X_op = O_symbol;
+ exp.X_add_symbol = fragp->fr_symbol;
+ exp.X_add_number = fragp->fr_offset;
+
+ gas_assert (fragp->fr_var == RELAX_BRANCH_LENGTH (fragp->fr_subtype));
+
+ if (RELAX_BRANCH_RVC (fragp->fr_subtype))
+ {
+ switch (RELAX_BRANCH_LENGTH (fragp->fr_subtype))
+ {
+ case 8:
+ case 4:
+ /* Expand the RVC branch into a RISC-V one. */
+ insn = bfd_getl16 (buf);
+ rs1 = 8 + ((insn >> OP_SH_CRS1S) & OP_MASK_CRS1S);
+ if ((insn & MASK_C_J) == MATCH_C_J)
+ insn = MATCH_JAL;
+ else if ((insn & MASK_C_JAL) == MATCH_C_JAL)
+ insn = MATCH_JAL | (X_RA << OP_SH_RD);
+ else if ((insn & MASK_C_BEQZ) == MATCH_C_BEQZ)
+ insn = MATCH_BEQ | (rs1 << OP_SH_RS1);
+ else if ((insn & MASK_C_BNEZ) == MATCH_C_BNEZ)
+ insn = MATCH_BNE | (rs1 << OP_SH_RS1);
+ else
+ abort ();
+ bfd_putl32 (insn, buf);
+ break;
+
+ case 6:
+ /* Invert the branch condition. Branch over the jump. */
+ insn = bfd_getl16 (buf);
+ insn ^= MATCH_C_BEQZ ^ MATCH_C_BNEZ;
+ insn |= ENCODE_RVC_B_IMM (6);
+ bfd_putl16 (insn, buf);
+ buf += 2;
+ goto jump;
+
+ case 2:
+ /* Just keep the RVC branch. */
+ reloc = RELAX_BRANCH_UNCOND (fragp->fr_subtype)
+ ? BFD_RELOC_RISCV_RVC_JUMP : BFD_RELOC_RISCV_RVC_BRANCH;
+ fixp = fix_new_exp (fragp, buf - (bfd_byte *)fragp->fr_literal,
+ 2, &exp, FALSE, reloc);
+ buf += 2;
+ goto done;
+
+ default:
+ abort();
+ }
+ }
+
+ switch (RELAX_BRANCH_LENGTH (fragp->fr_subtype))
+ {
+ case 8:
+ gas_assert (!RELAX_BRANCH_UNCOND (fragp->fr_subtype));
+
+ /* Invert the branch condition. Branch over the jump. */
+ insn = bfd_getl32 (buf);
+ insn ^= MATCH_BEQ ^ MATCH_BNE;
+ insn |= ENCODE_SBTYPE_IMM (8);
+ md_number_to_chars ((char *) buf, insn, 4);
+ buf += 4;
+
+jump:
+ /* Jump to the target. */
+ fixp = fix_new_exp (fragp, buf - (bfd_byte *)fragp->fr_literal,
+ 4, &exp, FALSE, BFD_RELOC_RISCV_JMP);
+ md_number_to_chars ((char *) buf, MATCH_JAL, 4);
+ buf += 4;
+ break;
+
+ case 4:
+ reloc = RELAX_BRANCH_UNCOND (fragp->fr_subtype)
+ ? BFD_RELOC_RISCV_JMP : BFD_RELOC_12_PCREL;
+ fixp = fix_new_exp (fragp, buf - (bfd_byte *)fragp->fr_literal,
+ 4, &exp, FALSE, reloc);
+ buf += 4;
+ break;
+
+ default:
+ abort ();
+ }
+
+done:
+ fixp->fx_file = fragp->fr_file;
+ fixp->fx_line = fragp->fr_line;
+
+ gas_assert (buf == (bfd_byte *)fragp->fr_literal
+ + fragp->fr_fix + fragp->fr_var);
+
+ fragp->fr_fix += fragp->fr_var;
+}
+
+/* Relax a machine dependent frag. This returns the amount by which
+ the current size of the frag should change. */
+
+void
+md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT asec ATTRIBUTE_UNUSED,
+ fragS *fragp)
+{
+ gas_assert (RELAX_BRANCH_P (fragp->fr_subtype));
+ md_convert_frag_branch (fragp);
+}
+
+void
+md_show_usage (FILE *stream)
+{
+ fprintf (stream, _("\
+RISC-V options:\n\
+ -m32 assemble RV32 code\n\
+ -m64 assemble RV64 code (default)\n\
+ -fpic generate position-independent code\n\
+ -fno-pic don't generate position-independent code (default)\n\
+ -msoft-float don't use F registers for floating-point values\n\
+ -mhard-float use F registers for floating-point values (default)\n\
+ -mno-rvc disable the C extension for compressed instructions (default)\n\
+ -mrvc enable the C extension for compressed instructions\n\
+ -march=ISA set the RISC-V architecture, RV64IMAFD by default\n\
+"));
+}
+
+/* Standard calling conventions leave the CFA at SP on entry. */
+void
+riscv_cfi_frame_initial_instructions (void)
+{
+ cfi_add_CFA_def_cfa_register (X_SP);
+}
+
+int
+tc_riscv_regname_to_dw2regnum (char *regname)
+{
+ int reg;
+
+ if ((reg = reg_lookup_internal (regname, RCLASS_GPR)) >= 0)
+ return reg;
+
+ if ((reg = reg_lookup_internal (regname, RCLASS_FPR)) >= 0)
+ return reg + 32;
+
+ as_bad (_("unknown register `%s'"), regname);
+ return -1;
+}
+
+void
+riscv_elf_final_processing (void)
+{
+ enum float_mode elf_float_mode = float_mode;
+
+ elf_elfheader (stdoutput)->e_flags |= elf_flags;
+
+ if (elf_float_mode == FLOAT_MODE_DEFAULT)
+ {
+ struct riscv_subset *subset;
+
+ /* Assume soft-float unless D extension is present. */
+ elf_float_mode = FLOAT_MODE_SOFT;
+
+ for (subset = riscv_subsets; subset != NULL; subset = subset->next)
+ if (strcasecmp (subset->name, "D") == 0)
+ elf_float_mode = FLOAT_MODE_HARD;
+ }
+
+ if (elf_float_mode == FLOAT_MODE_SOFT)
+ elf_elfheader (stdoutput)->e_flags |= EF_RISCV_SOFT_FLOAT;
+}
+
+/* Parse the .sleb128 and .uleb128 pseudos. Only allow constant expressions,
+ since these directives break relaxation when used with symbol deltas. */
+
+static void
+s_riscv_leb128 (int sign)
+{
+ expressionS exp;
+ char *save_in = input_line_pointer;
+
+ expression (&exp);
+ if (exp.X_op != O_constant)
+ as_bad (_("non-constant .%cleb128 is not supported"), sign ? 's' : 'u');
+ demand_empty_rest_of_line ();
+
+ input_line_pointer = save_in;
+ return s_leb128 (sign);
+}
+
+/* Pseudo-op table. */
+
+static const pseudo_typeS riscv_pseudo_table[] =
+{
+ /* RISC-V-specific pseudo-ops. */
+ {"option", s_riscv_option, 0},
+ {"half", cons, 2},
+ {"word", cons, 4},
+ {"dword", cons, 8},
+ {"dtprelword", s_dtprel, 4},
+ {"dtpreldword", s_dtprel, 8},
+ {"bss", s_bss, 0},
+ {"align", s_align, 0},
+ {"p2align", s_align, 0},
+ {"balign", s_align, 1},
+ {"uleb128", s_riscv_leb128, 0},
+ {"sleb128", s_riscv_leb128, 1},
+
+ { NULL, NULL, 0 },
+};
+
+void
+riscv_pop_insert (void)
+{
+ extern void pop_insert (const pseudo_typeS *);
+
+ pop_insert (riscv_pseudo_table);
+}
--- /dev/null
+/* tc-riscv.h -- header file for tc-riscv.c.
+ Copyright 2011-2016 Free Software Foundation, Inc.
+
+ Contributed by Andrew Waterman (andrew@sifive.com).
+ Based on MIPS target.
+
+ This file is part of GAS.
+
+ GAS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ GAS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+#ifndef TC_RISCV
+#define TC_RISCV
+
+#include "opcode/riscv.h"
+
+struct frag;
+struct expressionS;
+
+#define TARGET_BYTES_BIG_ENDIAN 0
+
+#define TARGET_ARCH bfd_arch_riscv
+
+#define WORKING_DOT_WORD 1
+#define LOCAL_LABELS_FB 1
+
+/* Symbols named FAKE_LABEL_NAME are emitted when generating DWARF, so make
+ sure FAKE_LABEL_NAME is printable. It still must be distinct from any
+ real label name. So, append a space, which other labels can't contain. */
+#define FAKE_LABEL_NAME ".L0 "
+
+#define md_relax_frag(segment, fragp, stretch) \
+ riscv_relax_frag (segment, fragp, stretch)
+extern int riscv_relax_frag (asection *, struct frag *, long);
+
+#define md_section_align(seg,size) (size)
+#define md_undefined_symbol(name) (0)
+#define md_operand(x)
+
+/* FIXME: it is unclear if this is used, or if it is even correct. */
+#define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2)
+
+/* The ISA of the target may change based on command-line arguments. */
+#define TARGET_FORMAT riscv_target_format()
+extern const char * riscv_target_format (void);
+
+#define md_after_parse_args() riscv_after_parse_args()
+extern void riscv_after_parse_args (void);
+
+#define md_parse_long_option(arg) riscv_parse_long_option (arg)
+extern int riscv_parse_long_option (const char *);
+
+/* Let the linker resolve all the relocs due to relaxation. */
+#define tc_fix_adjustable(fixp) 0
+#define md_allow_local_subtract(l,r,s) 0
+
+/* Values passed to md_apply_fix don't include symbol values. */
+#define MD_APPLY_SYM_VALUE(FIX) 0
+
+/* Global syms must not be resolved, to support ELF shared libraries. */
+#define EXTERN_FORCE_RELOC \
+ (OUTPUT_FLAVOR == bfd_target_elf_flavour)
+
+/* Postpone text-section label subtraction calculation until linking, since
+ linker relaxations might change the deltas. */
+#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) ((SEG)->flags & SEC_CODE)
+#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) 1
+#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1
+#define TC_FORCE_RELOCATION_LOCAL(FIX) 1
+#define DIFF_EXPR_OK 1
+
+extern void riscv_pop_insert (void);
+#define md_pop_insert() riscv_pop_insert ()
+
+#define TARGET_USE_CFIPOP 1
+
+#define tc_cfi_frame_initial_instructions riscv_cfi_frame_initial_instructions
+extern void riscv_cfi_frame_initial_instructions (void);
+
+#define tc_regname_to_dw2regnum tc_riscv_regname_to_dw2regnum
+extern int tc_riscv_regname_to_dw2regnum (char *);
+
+extern unsigned xlen;
+#define DWARF2_DEFAULT_RETURN_COLUMN X_RA
+#define DWARF2_CIE_DATA_ALIGNMENT (-(int) (xlen / 8))
+
+#define elf_tc_final_processing riscv_elf_final_processing
+extern void riscv_elf_final_processing (void);
+
+#endif /* TC_RISCV */
$as_echo "$enable_audio_ext" >&6; }
;;
- i386 | s390 | sparc)
+ i386 | riscv | s390 | sparc)
if test $this_target = $target ; then
cat >>confdefs.h <<_ACEOF
AC_MSG_RESULT($enable_audio_ext)
;;
- i386 | s390 | sparc)
+ i386 | riscv | s390 | sparc)
if test $this_target = $target ; then
AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
fi
pj*) cpu_type=pj endian=big ;;
powerpc*le*) cpu_type=ppc endian=little ;;
powerpc*) cpu_type=ppc endian=big ;;
+ riscv32*) cpu_type=riscv endian=little arch=riscv32 ;;
+ riscv64*) cpu_type=riscv endian=little arch=riscv64 ;;
rs6000*) cpu_type=ppc ;;
rl78*) cpu_type=rl78 ;;
rx) cpu_type=rx ;;
ppc-*-kaos*) fmt=elf ;;
ppc-*-lynxos*) fmt=elf em=lynx ;;
+ riscv*-*-*) fmt=elf endian=little em=linux ;;
+
s390-*-linux-*) fmt=elf em=linux ;;
s390-*-tpf*) fmt=elf ;;
esac
case ${cpu_type} in
- aarch64 | alpha | arm | i386 | ia64 | microblaze | mips | ns32k | or1k | or1knd | pdp11 | ppc | sparc | z80 | z8k)
+ aarch64 | alpha | arm | i386 | ia64 | microblaze | mips | ns32k | or1k | or1knd | pdp11 | ppc | riscv | sparc | z80 | z8k)
bfd_gas=yes
;;
esac
@end ifset
+@ifset RISCV
+
+@ifclear man
+@xref{RISC-V-Opts}, for the options available when @value{AS} is configured
+for a RISC-V processor.
+@end ifclear
+
+@ifset man
+@c man begin OPTIONS
+The following options are available when @value{AS} is configured for a
+RISC-V processor.
+@c man end
+@c man begin INCLUDE
+@include c-riscv.texi
+@c ended inside the included file
+@end ifset
+
+@end ifset
+
@c man begin OPTIONS
@ifset RX
See the info pages for documentation of the RX-specific options.
--- /dev/null
+@c Copyright (C) 2016 Free Software Foundation, Inc.
+@c This is part of the GAS anual.
+@c For copying conditions, see the file as.texinfo
+@c man end
+
+@ifset GENERIC
+@page
+@node RISC-V-Dependent
+@chapter RISC-V Dependent Features
+@end ifset
+@ifclear GENERIC
+@node Machine Dependencies
+@chapter RISC-V Dependent Features
+@end ifclear
+
+@cindex RISC-V support
+@menu
+* RISC-V Options:: RISC-V Options
+@end menu
+
+@node RISC-V Options
+@section Options
+
+The following table lists all availiable RISC-V specific options
+
+@c man begin OPTIONS
+@table @gcctabopt
+@cindex @samp{-m32} option, RISC-V
+@cindex @samp{-m64} option, RISC-V
+@item -m32 | -m64
+Select the base ISA, either RV32 or RV64.
+
+@cindex @samp{-mrvc} option, RISC-V
+@item -mrvc
+Enables the C ISA subset for compressed instructions.
+
+@cindex @samp{-msoft-float} option, RISC-V
+@cindex @samp{-mhard-float} option, RISC-V
+@item -msoft-float | -mhard-float
+Select the floating-point ABI, hard-float has F registers while soft-float
+doesn't.
+
+@cindex @samp{-march=RV{32,64}{G,I}{M,}{A,}{F,}{D,}{C,}} option, RISC-V
+@item -march=RV{32,64}{G,I}{M,}{A,}{F,}{D,}{C,}
+Select the base isa, as specified by ISA. For example -march=RV32IMA.
+
+@end table
+@c man end
# These targets fail redef2 because they disallow redefined
# symbols on relocs.
setup_xfail "m68hc1*-*-*" "m6811-*-*" "m6812-*-*" "rl78-*-*"
- setup_xfail "rx-*-*" "vax*-*-*" "xgate*-*-*" "z8k-*-*"
+ setup_xfail "riscv*-*-*" "rx-*-*" "vax*-*-*" "xgate*-*-*" "z8k-*-*"
run_dump_test redef2
setup_xfail "m68hc1*-*-*" "m6811-*-*" "m6812-*-*" "rl78-*-*"
- setup_xfail "rx-*-*" "vax*-*-*" "xgate*-*-*" "z8k-*-*"
+ setup_xfail "riscv*-*-*" "rx-*-*" "vax*-*-*" "xgate*-*-*" "z8k-*-*"
# rs6000-aix disallows redefinition via .comm.
setup_xfail "*-*-aix*"
# SOM uses a different syntax for .comm
&& ![istarget hppa*-*-*] } then {
# The vax fails because VMS can apparently actually handle this
# case in relocs, so gas doesn't handle it itself.
- # msp430 and mn10[23]00 emit two relocs to handle the difference of two symbols.
- setup_xfail "mn10200-*-*" "mn10300*-*-*" "msp430*-*-*" "vax*-*-vms*"
+ # msp430, mn10[23]00 and riscv emit two relocs to handle the difference of two symbols.
+ setup_xfail "mn10200-*-*" "mn10300*-*-*" "msp430*-*-*" "riscv*-*-*" "vax*-*-vms*"
do_930509a
}
run_dump_test "group2"
case $target_triplet in {
{ hppa64*-*-hpux* } { }
+ { riscv*-*-* } { }
default {
run_dump_test "groupautoa"
}
}
case $target_triplet in {
{ hppa64*-*-hpux* } { }
+ { riscv*-*-* } { }
{ xtensa*-*-* } { }
default {
run_dump_test "groupautob"
{ mn10300-*-* } { }
{ msp43*-*-* } { }
{ rl78-*-* } { }
+ { riscv*-*-* } { }
{ rx-*-* } { }
default {
# The next test can fail if the target does not convert fixups
--- /dev/null
+# Expect script for RISC-V assembler tests.
+# Copyright (C) 2011-2016 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+if [istarget riscv*-*-*] {
+ run_dump_test "t_insns"
+}
--- /dev/null
+#as:
+#objdump: -dr
+
+.*:[ ]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+[ ]+0:[ ]+00000013[ ]+nop
--- /dev/null
+target:
+ nop
+2016-11-01 Palmer Dabbelt <palmer@dabbelt.com>
+ Andrew Waterman <andrew@sifive.com>
+
+ Add support for RISC-V architecture.
+ * dis-asm.h: Add prototypes for print_insn_riscv and
+ print_riscv_disassembler_options.
+ * elf/riscv.h: New file.
+ * opcode/riscv-opc.h: New file.
+ * opcode/riscv.h: New file.
+
2016-10-17 Nick Clifton <nickc@redhat.com>
* elf/common.h (DT_SYMTAB_SHNDX): Define.
extern int print_insn_little_mips (bfd_vma, disassemble_info *);
extern int print_insn_little_nios2 (bfd_vma, disassemble_info *);
extern int print_insn_little_powerpc (bfd_vma, disassemble_info *);
+extern int print_insn_riscv (bfd_vma, disassemble_info *);
extern int print_insn_little_score (bfd_vma, disassemble_info *);
extern int print_insn_lm32 (bfd_vma, disassemble_info *);
extern int print_insn_m32c (bfd_vma, disassemble_info *);
extern void print_i386_disassembler_options (FILE *);
extern void print_mips_disassembler_options (FILE *);
extern void print_ppc_disassembler_options (FILE *);
+extern void print_riscv_disassembler_options (FILE *);
extern void print_arm_disassembler_options (FILE *);
extern void print_arc_disassembler_options (FILE *);
extern void parse_arm_disassembler_option (char *);
--- /dev/null
+/* RISC-V ELF support for BFD.
+ Copyright 2011-2016 Free Software Foundation, Inc.
+
+ Contributed by Andrew Waterman (andrew@sifive.com).
+ Based on MIPS ELF support for BFD, by Ian Lance Taylor.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+/* This file holds definitions specific to the RISCV ELF ABI. Note
+ that most of this is not actually implemented by BFD. */
+
+#ifndef _ELF_RISCV_H
+#define _ELF_RISCV_H
+
+#include "elf/reloc-macros.h"
+#include "libiberty.h"
+
+/* Relocation types. */
+START_RELOC_NUMBERS (elf_riscv_reloc_type)
+ /* Relocation types used by the dynamic linker. */
+ RELOC_NUMBER (R_RISCV_NONE, 0)
+ RELOC_NUMBER (R_RISCV_32, 1)
+ RELOC_NUMBER (R_RISCV_64, 2)
+ RELOC_NUMBER (R_RISCV_RELATIVE, 3)
+ RELOC_NUMBER (R_RISCV_COPY, 4)
+ RELOC_NUMBER (R_RISCV_JUMP_SLOT, 5)
+ RELOC_NUMBER (R_RISCV_TLS_DTPMOD32, 6)
+ RELOC_NUMBER (R_RISCV_TLS_DTPMOD64, 7)
+ RELOC_NUMBER (R_RISCV_TLS_DTPREL32, 8)
+ RELOC_NUMBER (R_RISCV_TLS_DTPREL64, 9)
+ RELOC_NUMBER (R_RISCV_TLS_TPREL32, 10)
+ RELOC_NUMBER (R_RISCV_TLS_TPREL64, 11)
+
+ /* Relocation types not used by the dynamic linker. */
+ RELOC_NUMBER (R_RISCV_BRANCH, 16)
+ RELOC_NUMBER (R_RISCV_JAL, 17)
+ RELOC_NUMBER (R_RISCV_CALL, 18)
+ RELOC_NUMBER (R_RISCV_CALL_PLT, 19)
+ RELOC_NUMBER (R_RISCV_GOT_HI20, 20)
+ RELOC_NUMBER (R_RISCV_TLS_GOT_HI20, 21)
+ RELOC_NUMBER (R_RISCV_TLS_GD_HI20, 22)
+ RELOC_NUMBER (R_RISCV_PCREL_HI20, 23)
+ RELOC_NUMBER (R_RISCV_PCREL_LO12_I, 24)
+ RELOC_NUMBER (R_RISCV_PCREL_LO12_S, 25)
+ RELOC_NUMBER (R_RISCV_HI20, 26)
+ RELOC_NUMBER (R_RISCV_LO12_I, 27)
+ RELOC_NUMBER (R_RISCV_LO12_S, 28)
+ RELOC_NUMBER (R_RISCV_TPREL_HI20, 29)
+ RELOC_NUMBER (R_RISCV_TPREL_LO12_I, 30)
+ RELOC_NUMBER (R_RISCV_TPREL_LO12_S, 31)
+ RELOC_NUMBER (R_RISCV_TPREL_ADD, 32)
+ RELOC_NUMBER (R_RISCV_ADD8, 33)
+ RELOC_NUMBER (R_RISCV_ADD16, 34)
+ RELOC_NUMBER (R_RISCV_ADD32, 35)
+ RELOC_NUMBER (R_RISCV_ADD64, 36)
+ RELOC_NUMBER (R_RISCV_SUB8, 37)
+ RELOC_NUMBER (R_RISCV_SUB16, 38)
+ RELOC_NUMBER (R_RISCV_SUB32, 39)
+ RELOC_NUMBER (R_RISCV_SUB64, 40)
+ RELOC_NUMBER (R_RISCV_GNU_VTINHERIT, 41)
+ RELOC_NUMBER (R_RISCV_GNU_VTENTRY, 42)
+ RELOC_NUMBER (R_RISCV_ALIGN, 43)
+ RELOC_NUMBER (R_RISCV_RVC_BRANCH, 44)
+ RELOC_NUMBER (R_RISCV_RVC_JUMP, 45)
+ RELOC_NUMBER (R_RISCV_RVC_LUI, 46)
+ RELOC_NUMBER (R_RISCV_GPREL_I, 47)
+ RELOC_NUMBER (R_RISCV_GPREL_S, 48)
+END_RELOC_NUMBERS (R_RISCV_max)
+
+/* Processor specific flags for the ELF header e_flags field. */
+
+/* File may contain compressed instructions. */
+#define EF_RISCV_RVC 0x0001
+
+/* File uses the soft-float calling convention. */
+#define EF_RISCV_SOFT_FLOAT 0x0002
+
+#endif /* _ELF_RISCV_H */
--- /dev/null
+/* Automatically generated by parse-opcodes. */
+#ifndef RISCV_ENCODING_H
+#define RISCV_ENCODING_H
+#define MATCH_SLLI_RV32 0x1013
+#define MASK_SLLI_RV32 0xfe00707f
+#define MATCH_SRLI_RV32 0x5013
+#define MASK_SRLI_RV32 0xfe00707f
+#define MATCH_SRAI_RV32 0x40005013
+#define MASK_SRAI_RV32 0xfe00707f
+#define MATCH_FRFLAGS 0x102073
+#define MASK_FRFLAGS 0xfffff07f
+#define MATCH_FSFLAGS 0x101073
+#define MASK_FSFLAGS 0xfff0707f
+#define MATCH_FSFLAGSI 0x105073
+#define MASK_FSFLAGSI 0xfff0707f
+#define MATCH_FRRM 0x202073
+#define MASK_FRRM 0xfffff07f
+#define MATCH_FSRM 0x201073
+#define MASK_FSRM 0xfff0707f
+#define MATCH_FSRMI 0x205073
+#define MASK_FSRMI 0xfff0707f
+#define MATCH_FSCSR 0x301073
+#define MASK_FSCSR 0xfff0707f
+#define MATCH_FRCSR 0x302073
+#define MASK_FRCSR 0xfffff07f
+#define MATCH_RDCYCLE 0xc0002073
+#define MASK_RDCYCLE 0xfffff07f
+#define MATCH_RDTIME 0xc0102073
+#define MASK_RDTIME 0xfffff07f
+#define MATCH_RDINSTRET 0xc0202073
+#define MASK_RDINSTRET 0xfffff07f
+#define MATCH_RDCYCLEH 0xc8002073
+#define MASK_RDCYCLEH 0xfffff07f
+#define MATCH_RDTIMEH 0xc8102073
+#define MASK_RDTIMEH 0xfffff07f
+#define MATCH_RDINSTRETH 0xc8202073
+#define MASK_RDINSTRETH 0xfffff07f
+#define MATCH_SCALL 0x73
+#define MASK_SCALL 0xffffffff
+#define MATCH_SBREAK 0x100073
+#define MASK_SBREAK 0xffffffff
+#define MATCH_BEQ 0x63
+#define MASK_BEQ 0x707f
+#define MATCH_BNE 0x1063
+#define MASK_BNE 0x707f
+#define MATCH_BLT 0x4063
+#define MASK_BLT 0x707f
+#define MATCH_BGE 0x5063
+#define MASK_BGE 0x707f
+#define MATCH_BLTU 0x6063
+#define MASK_BLTU 0x707f
+#define MATCH_BGEU 0x7063
+#define MASK_BGEU 0x707f
+#define MATCH_JALR 0x67
+#define MASK_JALR 0x707f
+#define MATCH_JAL 0x6f
+#define MASK_JAL 0x7f
+#define MATCH_LUI 0x37
+#define MASK_LUI 0x7f
+#define MATCH_AUIPC 0x17
+#define MASK_AUIPC 0x7f
+#define MATCH_ADDI 0x13
+#define MASK_ADDI 0x707f
+#define MATCH_SLLI 0x1013
+#define MASK_SLLI 0xfc00707f
+#define MATCH_SLTI 0x2013
+#define MASK_SLTI 0x707f
+#define MATCH_SLTIU 0x3013
+#define MASK_SLTIU 0x707f
+#define MATCH_XORI 0x4013
+#define MASK_XORI 0x707f
+#define MATCH_SRLI 0x5013
+#define MASK_SRLI 0xfc00707f
+#define MATCH_SRAI 0x40005013
+#define MASK_SRAI 0xfc00707f
+#define MATCH_ORI 0x6013
+#define MASK_ORI 0x707f
+#define MATCH_ANDI 0x7013
+#define MASK_ANDI 0x707f
+#define MATCH_ADD 0x33
+#define MASK_ADD 0xfe00707f
+#define MATCH_SUB 0x40000033
+#define MASK_SUB 0xfe00707f
+#define MATCH_SLL 0x1033
+#define MASK_SLL 0xfe00707f
+#define MATCH_SLT 0x2033
+#define MASK_SLT 0xfe00707f
+#define MATCH_SLTU 0x3033
+#define MASK_SLTU 0xfe00707f
+#define MATCH_XOR 0x4033
+#define MASK_XOR 0xfe00707f
+#define MATCH_SRL 0x5033
+#define MASK_SRL 0xfe00707f
+#define MATCH_SRA 0x40005033
+#define MASK_SRA 0xfe00707f
+#define MATCH_OR 0x6033
+#define MASK_OR 0xfe00707f
+#define MATCH_AND 0x7033
+#define MASK_AND 0xfe00707f
+#define MATCH_ADDIW 0x1b
+#define MASK_ADDIW 0x707f
+#define MATCH_SLLIW 0x101b
+#define MASK_SLLIW 0xfe00707f
+#define MATCH_SRLIW 0x501b
+#define MASK_SRLIW 0xfe00707f
+#define MATCH_SRAIW 0x4000501b
+#define MASK_SRAIW 0xfe00707f
+#define MATCH_ADDW 0x3b
+#define MASK_ADDW 0xfe00707f
+#define MATCH_SUBW 0x4000003b
+#define MASK_SUBW 0xfe00707f
+#define MATCH_SLLW 0x103b
+#define MASK_SLLW 0xfe00707f
+#define MATCH_SRLW 0x503b
+#define MASK_SRLW 0xfe00707f
+#define MATCH_SRAW 0x4000503b
+#define MASK_SRAW 0xfe00707f
+#define MATCH_LB 0x3
+#define MASK_LB 0x707f
+#define MATCH_LH 0x1003
+#define MASK_LH 0x707f
+#define MATCH_LW 0x2003
+#define MASK_LW 0x707f
+#define MATCH_LD 0x3003
+#define MASK_LD 0x707f
+#define MATCH_LBU 0x4003
+#define MASK_LBU 0x707f
+#define MATCH_LHU 0x5003
+#define MASK_LHU 0x707f
+#define MATCH_LWU 0x6003
+#define MASK_LWU 0x707f
+#define MATCH_SB 0x23
+#define MASK_SB 0x707f
+#define MATCH_SH 0x1023
+#define MASK_SH 0x707f
+#define MATCH_SW 0x2023
+#define MASK_SW 0x707f
+#define MATCH_SD 0x3023
+#define MASK_SD 0x707f
+#define MATCH_FENCE 0xf
+#define MASK_FENCE 0x707f
+#define MATCH_FENCE_I 0x100f
+#define MASK_FENCE_I 0x707f
+#define MATCH_MUL 0x2000033
+#define MASK_MUL 0xfe00707f
+#define MATCH_MULH 0x2001033
+#define MASK_MULH 0xfe00707f
+#define MATCH_MULHSU 0x2002033
+#define MASK_MULHSU 0xfe00707f
+#define MATCH_MULHU 0x2003033
+#define MASK_MULHU 0xfe00707f
+#define MATCH_DIV 0x2004033
+#define MASK_DIV 0xfe00707f
+#define MATCH_DIVU 0x2005033
+#define MASK_DIVU 0xfe00707f
+#define MATCH_REM 0x2006033
+#define MASK_REM 0xfe00707f
+#define MATCH_REMU 0x2007033
+#define MASK_REMU 0xfe00707f
+#define MATCH_MULW 0x200003b
+#define MASK_MULW 0xfe00707f
+#define MATCH_DIVW 0x200403b
+#define MASK_DIVW 0xfe00707f
+#define MATCH_DIVUW 0x200503b
+#define MASK_DIVUW 0xfe00707f
+#define MATCH_REMW 0x200603b
+#define MASK_REMW 0xfe00707f
+#define MATCH_REMUW 0x200703b
+#define MASK_REMUW 0xfe00707f
+#define MATCH_AMOADD_W 0x202f
+#define MASK_AMOADD_W 0xf800707f
+#define MATCH_AMOXOR_W 0x2000202f
+#define MASK_AMOXOR_W 0xf800707f
+#define MATCH_AMOOR_W 0x4000202f
+#define MASK_AMOOR_W 0xf800707f
+#define MATCH_AMOAND_W 0x6000202f
+#define MASK_AMOAND_W 0xf800707f
+#define MATCH_AMOMIN_W 0x8000202f
+#define MASK_AMOMIN_W 0xf800707f
+#define MATCH_AMOMAX_W 0xa000202f
+#define MASK_AMOMAX_W 0xf800707f
+#define MATCH_AMOMINU_W 0xc000202f
+#define MASK_AMOMINU_W 0xf800707f
+#define MATCH_AMOMAXU_W 0xe000202f
+#define MASK_AMOMAXU_W 0xf800707f
+#define MATCH_AMOSWAP_W 0x800202f
+#define MASK_AMOSWAP_W 0xf800707f
+#define MATCH_LR_W 0x1000202f
+#define MASK_LR_W 0xf9f0707f
+#define MATCH_SC_W 0x1800202f
+#define MASK_SC_W 0xf800707f
+#define MATCH_AMOADD_D 0x302f
+#define MASK_AMOADD_D 0xf800707f
+#define MATCH_AMOXOR_D 0x2000302f
+#define MASK_AMOXOR_D 0xf800707f
+#define MATCH_AMOOR_D 0x4000302f
+#define MASK_AMOOR_D 0xf800707f
+#define MATCH_AMOAND_D 0x6000302f
+#define MASK_AMOAND_D 0xf800707f
+#define MATCH_AMOMIN_D 0x8000302f
+#define MASK_AMOMIN_D 0xf800707f
+#define MATCH_AMOMAX_D 0xa000302f
+#define MASK_AMOMAX_D 0xf800707f
+#define MATCH_AMOMINU_D 0xc000302f
+#define MASK_AMOMINU_D 0xf800707f
+#define MATCH_AMOMAXU_D 0xe000302f
+#define MASK_AMOMAXU_D 0xf800707f
+#define MATCH_AMOSWAP_D 0x800302f
+#define MASK_AMOSWAP_D 0xf800707f
+#define MATCH_LR_D 0x1000302f
+#define MASK_LR_D 0xf9f0707f
+#define MATCH_SC_D 0x1800302f
+#define MASK_SC_D 0xf800707f
+#define MATCH_ECALL 0x73
+#define MASK_ECALL 0xffffffff
+#define MATCH_EBREAK 0x100073
+#define MASK_EBREAK 0xffffffff
+#define MATCH_URET 0x200073
+#define MASK_URET 0xffffffff
+#define MATCH_SRET 0x10200073
+#define MASK_SRET 0xffffffff
+#define MATCH_HRET 0x20200073
+#define MASK_HRET 0xffffffff
+#define MATCH_MRET 0x30200073
+#define MASK_MRET 0xffffffff
+#define MATCH_DRET 0x7b200073
+#define MASK_DRET 0xffffffff
+#define MATCH_SFENCE_VM 0x10400073
+#define MASK_SFENCE_VM 0xfff07fff
+#define MATCH_WFI 0x10500073
+#define MASK_WFI 0xffffffff
+#define MATCH_CSRRW 0x1073
+#define MASK_CSRRW 0x707f
+#define MATCH_CSRRS 0x2073
+#define MASK_CSRRS 0x707f
+#define MATCH_CSRRC 0x3073
+#define MASK_CSRRC 0x707f
+#define MATCH_CSRRWI 0x5073
+#define MASK_CSRRWI 0x707f
+#define MATCH_CSRRSI 0x6073
+#define MASK_CSRRSI 0x707f
+#define MATCH_CSRRCI 0x7073
+#define MASK_CSRRCI 0x707f
+#define MATCH_FADD_S 0x53
+#define MASK_FADD_S 0xfe00007f
+#define MATCH_FSUB_S 0x8000053
+#define MASK_FSUB_S 0xfe00007f
+#define MATCH_FMUL_S 0x10000053
+#define MASK_FMUL_S 0xfe00007f
+#define MATCH_FDIV_S 0x18000053
+#define MASK_FDIV_S 0xfe00007f
+#define MATCH_FSGNJ_S 0x20000053
+#define MASK_FSGNJ_S 0xfe00707f
+#define MATCH_FSGNJN_S 0x20001053
+#define MASK_FSGNJN_S 0xfe00707f
+#define MATCH_FSGNJX_S 0x20002053
+#define MASK_FSGNJX_S 0xfe00707f
+#define MATCH_FMIN_S 0x28000053
+#define MASK_FMIN_S 0xfe00707f
+#define MATCH_FMAX_S 0x28001053
+#define MASK_FMAX_S 0xfe00707f
+#define MATCH_FSQRT_S 0x58000053
+#define MASK_FSQRT_S 0xfff0007f
+#define MATCH_FADD_D 0x2000053
+#define MASK_FADD_D 0xfe00007f
+#define MATCH_FSUB_D 0xa000053
+#define MASK_FSUB_D 0xfe00007f
+#define MATCH_FMUL_D 0x12000053
+#define MASK_FMUL_D 0xfe00007f
+#define MATCH_FDIV_D 0x1a000053
+#define MASK_FDIV_D 0xfe00007f
+#define MATCH_FSGNJ_D 0x22000053
+#define MASK_FSGNJ_D 0xfe00707f
+#define MATCH_FSGNJN_D 0x22001053
+#define MASK_FSGNJN_D 0xfe00707f
+#define MATCH_FSGNJX_D 0x22002053
+#define MASK_FSGNJX_D 0xfe00707f
+#define MATCH_FMIN_D 0x2a000053
+#define MASK_FMIN_D 0xfe00707f
+#define MATCH_FMAX_D 0x2a001053
+#define MASK_FMAX_D 0xfe00707f
+#define MATCH_FCVT_S_D 0x40100053
+#define MASK_FCVT_S_D 0xfff0007f
+#define MATCH_FCVT_D_S 0x42000053
+#define MASK_FCVT_D_S 0xfff0007f
+#define MATCH_FSQRT_D 0x5a000053
+#define MASK_FSQRT_D 0xfff0007f
+#define MATCH_FLE_S 0xa0000053
+#define MASK_FLE_S 0xfe00707f
+#define MATCH_FLT_S 0xa0001053
+#define MASK_FLT_S 0xfe00707f
+#define MATCH_FEQ_S 0xa0002053
+#define MASK_FEQ_S 0xfe00707f
+#define MATCH_FLE_D 0xa2000053
+#define MASK_FLE_D 0xfe00707f
+#define MATCH_FLT_D 0xa2001053
+#define MASK_FLT_D 0xfe00707f
+#define MATCH_FEQ_D 0xa2002053
+#define MASK_FEQ_D 0xfe00707f
+#define MATCH_FCVT_W_S 0xc0000053
+#define MASK_FCVT_W_S 0xfff0007f
+#define MATCH_FCVT_WU_S 0xc0100053
+#define MASK_FCVT_WU_S 0xfff0007f
+#define MATCH_FCVT_L_S 0xc0200053
+#define MASK_FCVT_L_S 0xfff0007f
+#define MATCH_FCVT_LU_S 0xc0300053
+#define MASK_FCVT_LU_S 0xfff0007f
+#define MATCH_FMV_X_S 0xe0000053
+#define MASK_FMV_X_S 0xfff0707f
+#define MATCH_FCLASS_S 0xe0001053
+#define MASK_FCLASS_S 0xfff0707f
+#define MATCH_FCVT_W_D 0xc2000053
+#define MASK_FCVT_W_D 0xfff0007f
+#define MATCH_FCVT_WU_D 0xc2100053
+#define MASK_FCVT_WU_D 0xfff0007f
+#define MATCH_FCVT_L_D 0xc2200053
+#define MASK_FCVT_L_D 0xfff0007f
+#define MATCH_FCVT_LU_D 0xc2300053
+#define MASK_FCVT_LU_D 0xfff0007f
+#define MATCH_FMV_X_D 0xe2000053
+#define MASK_FMV_X_D 0xfff0707f
+#define MATCH_FCLASS_D 0xe2001053
+#define MASK_FCLASS_D 0xfff0707f
+#define MATCH_FCVT_S_W 0xd0000053
+#define MASK_FCVT_S_W 0xfff0007f
+#define MATCH_FCVT_S_WU 0xd0100053
+#define MASK_FCVT_S_WU 0xfff0007f
+#define MATCH_FCVT_S_L 0xd0200053
+#define MASK_FCVT_S_L 0xfff0007f
+#define MATCH_FCVT_S_LU 0xd0300053
+#define MASK_FCVT_S_LU 0xfff0007f
+#define MATCH_FMV_S_X 0xf0000053
+#define MASK_FMV_S_X 0xfff0707f
+#define MATCH_FCVT_D_W 0xd2000053
+#define MASK_FCVT_D_W 0xfff0007f
+#define MATCH_FCVT_D_WU 0xd2100053
+#define MASK_FCVT_D_WU 0xfff0007f
+#define MATCH_FCVT_D_L 0xd2200053
+#define MASK_FCVT_D_L 0xfff0007f
+#define MATCH_FCVT_D_LU 0xd2300053
+#define MASK_FCVT_D_LU 0xfff0007f
+#define MATCH_FMV_D_X 0xf2000053
+#define MASK_FMV_D_X 0xfff0707f
+#define MATCH_FLW 0x2007
+#define MASK_FLW 0x707f
+#define MATCH_FLD 0x3007
+#define MASK_FLD 0x707f
+#define MATCH_FSW 0x2027
+#define MASK_FSW 0x707f
+#define MATCH_FSD 0x3027
+#define MASK_FSD 0x707f
+#define MATCH_FMADD_S 0x43
+#define MASK_FMADD_S 0x600007f
+#define MATCH_FMSUB_S 0x47
+#define MASK_FMSUB_S 0x600007f
+#define MATCH_FNMSUB_S 0x4b
+#define MASK_FNMSUB_S 0x600007f
+#define MATCH_FNMADD_S 0x4f
+#define MASK_FNMADD_S 0x600007f
+#define MATCH_FMADD_D 0x2000043
+#define MASK_FMADD_D 0x600007f
+#define MATCH_FMSUB_D 0x2000047
+#define MASK_FMSUB_D 0x600007f
+#define MATCH_FNMSUB_D 0x200004b
+#define MASK_FNMSUB_D 0x600007f
+#define MATCH_FNMADD_D 0x200004f
+#define MASK_FNMADD_D 0x600007f
+#define MATCH_C_ADDI4SPN 0x0
+#define MASK_C_ADDI4SPN 0xe003
+#define MATCH_C_FLD 0x2000
+#define MASK_C_FLD 0xe003
+#define MATCH_C_LW 0x4000
+#define MASK_C_LW 0xe003
+#define MATCH_C_FLW 0x6000
+#define MASK_C_FLW 0xe003
+#define MATCH_C_FSD 0xa000
+#define MASK_C_FSD 0xe003
+#define MATCH_C_SW 0xc000
+#define MASK_C_SW 0xe003
+#define MATCH_C_FSW 0xe000
+#define MASK_C_FSW 0xe003
+#define MATCH_C_ADDI 0x1
+#define MASK_C_ADDI 0xe003
+#define MATCH_C_JAL 0x2001
+#define MASK_C_JAL 0xe003
+#define MATCH_C_LI 0x4001
+#define MASK_C_LI 0xe003
+#define MATCH_C_LUI 0x6001
+#define MASK_C_LUI 0xe003
+#define MATCH_C_SRLI 0x8001
+#define MASK_C_SRLI 0xec03
+#define MATCH_C_SRAI 0x8401
+#define MASK_C_SRAI 0xec03
+#define MATCH_C_ANDI 0x8801
+#define MASK_C_ANDI 0xec03
+#define MATCH_C_SUB 0x8c01
+#define MASK_C_SUB 0xfc63
+#define MATCH_C_XOR 0x8c21
+#define MASK_C_XOR 0xfc63
+#define MATCH_C_OR 0x8c41
+#define MASK_C_OR 0xfc63
+#define MATCH_C_AND 0x8c61
+#define MASK_C_AND 0xfc63
+#define MATCH_C_SUBW 0x9c01
+#define MASK_C_SUBW 0xfc63
+#define MATCH_C_ADDW 0x9c21
+#define MASK_C_ADDW 0xfc63
+#define MATCH_C_J 0xa001
+#define MASK_C_J 0xe003
+#define MATCH_C_BEQZ 0xc001
+#define MASK_C_BEQZ 0xe003
+#define MATCH_C_BNEZ 0xe001
+#define MASK_C_BNEZ 0xe003
+#define MATCH_C_SLLI 0x2
+#define MASK_C_SLLI 0xe003
+#define MATCH_C_FLDSP 0x2002
+#define MASK_C_FLDSP 0xe003
+#define MATCH_C_LWSP 0x4002
+#define MASK_C_LWSP 0xe003
+#define MATCH_C_FLWSP 0x6002
+#define MASK_C_FLWSP 0xe003
+#define MATCH_C_MV 0x8002
+#define MASK_C_MV 0xf003
+#define MATCH_C_ADD 0x9002
+#define MASK_C_ADD 0xf003
+#define MATCH_C_FSDSP 0xa002
+#define MASK_C_FSDSP 0xe003
+#define MATCH_C_SWSP 0xc002
+#define MASK_C_SWSP 0xe003
+#define MATCH_C_FSWSP 0xe002
+#define MASK_C_FSWSP 0xe003
+#define MATCH_C_NOP 0x1
+#define MASK_C_NOP 0xffff
+#define MATCH_C_ADDI16SP 0x6101
+#define MASK_C_ADDI16SP 0xef83
+#define MATCH_C_JR 0x8002
+#define MASK_C_JR 0xf07f
+#define MATCH_C_JALR 0x9002
+#define MASK_C_JALR 0xf07f
+#define MATCH_C_EBREAK 0x9002
+#define MASK_C_EBREAK 0xffff
+#define MATCH_C_LD 0x6000
+#define MASK_C_LD 0xe003
+#define MATCH_C_SD 0xe000
+#define MASK_C_SD 0xe003
+#define MATCH_C_ADDIW 0x2001
+#define MASK_C_ADDIW 0xe003
+#define MATCH_C_LDSP 0x6002
+#define MASK_C_LDSP 0xe003
+#define MATCH_C_SDSP 0xe002
+#define MASK_C_SDSP 0xe003
+#define MATCH_CUSTOM0 0xb
+#define MASK_CUSTOM0 0x707f
+#define MATCH_CUSTOM0_RS1 0x200b
+#define MASK_CUSTOM0_RS1 0x707f
+#define MATCH_CUSTOM0_RS1_RS2 0x300b
+#define MASK_CUSTOM0_RS1_RS2 0x707f
+#define MATCH_CUSTOM0_RD 0x400b
+#define MASK_CUSTOM0_RD 0x707f
+#define MATCH_CUSTOM0_RD_RS1 0x600b
+#define MASK_CUSTOM0_RD_RS1 0x707f
+#define MATCH_CUSTOM0_RD_RS1_RS2 0x700b
+#define MASK_CUSTOM0_RD_RS1_RS2 0x707f
+#define MATCH_CUSTOM1 0x2b
+#define MASK_CUSTOM1 0x707f
+#define MATCH_CUSTOM1_RS1 0x202b
+#define MASK_CUSTOM1_RS1 0x707f
+#define MATCH_CUSTOM1_RS1_RS2 0x302b
+#define MASK_CUSTOM1_RS1_RS2 0x707f
+#define MATCH_CUSTOM1_RD 0x402b
+#define MASK_CUSTOM1_RD 0x707f
+#define MATCH_CUSTOM1_RD_RS1 0x602b
+#define MASK_CUSTOM1_RD_RS1 0x707f
+#define MATCH_CUSTOM1_RD_RS1_RS2 0x702b
+#define MASK_CUSTOM1_RD_RS1_RS2 0x707f
+#define MATCH_CUSTOM2 0x5b
+#define MASK_CUSTOM2 0x707f
+#define MATCH_CUSTOM2_RS1 0x205b
+#define MASK_CUSTOM2_RS1 0x707f
+#define MATCH_CUSTOM2_RS1_RS2 0x305b
+#define MASK_CUSTOM2_RS1_RS2 0x707f
+#define MATCH_CUSTOM2_RD 0x405b
+#define MASK_CUSTOM2_RD 0x707f
+#define MATCH_CUSTOM2_RD_RS1 0x605b
+#define MASK_CUSTOM2_RD_RS1 0x707f
+#define MATCH_CUSTOM2_RD_RS1_RS2 0x705b
+#define MASK_CUSTOM2_RD_RS1_RS2 0x707f
+#define MATCH_CUSTOM3 0x7b
+#define MASK_CUSTOM3 0x707f
+#define MATCH_CUSTOM3_RS1 0x207b
+#define MASK_CUSTOM3_RS1 0x707f
+#define MATCH_CUSTOM3_RS1_RS2 0x307b
+#define MASK_CUSTOM3_RS1_RS2 0x707f
+#define MATCH_CUSTOM3_RD 0x407b
+#define MASK_CUSTOM3_RD 0x707f
+#define MATCH_CUSTOM3_RD_RS1 0x607b
+#define MASK_CUSTOM3_RD_RS1 0x707f
+#define MATCH_CUSTOM3_RD_RS1_RS2 0x707b
+#define MASK_CUSTOM3_RD_RS1_RS2 0x707f
+#define CSR_FFLAGS 0x1
+#define CSR_FRM 0x2
+#define CSR_FCSR 0x3
+#define CSR_CYCLE 0xc00
+#define CSR_TIME 0xc01
+#define CSR_INSTRET 0xc02
+#define CSR_HPMCOUNTER3 0xc03
+#define CSR_HPMCOUNTER4 0xc04
+#define CSR_HPMCOUNTER5 0xc05
+#define CSR_HPMCOUNTER6 0xc06
+#define CSR_HPMCOUNTER7 0xc07
+#define CSR_HPMCOUNTER8 0xc08
+#define CSR_HPMCOUNTER9 0xc09
+#define CSR_HPMCOUNTER10 0xc0a
+#define CSR_HPMCOUNTER11 0xc0b
+#define CSR_HPMCOUNTER12 0xc0c
+#define CSR_HPMCOUNTER13 0xc0d
+#define CSR_HPMCOUNTER14 0xc0e
+#define CSR_HPMCOUNTER15 0xc0f
+#define CSR_HPMCOUNTER16 0xc10
+#define CSR_HPMCOUNTER17 0xc11
+#define CSR_HPMCOUNTER18 0xc12
+#define CSR_HPMCOUNTER19 0xc13
+#define CSR_HPMCOUNTER20 0xc14
+#define CSR_HPMCOUNTER21 0xc15
+#define CSR_HPMCOUNTER22 0xc16
+#define CSR_HPMCOUNTER23 0xc17
+#define CSR_HPMCOUNTER24 0xc18
+#define CSR_HPMCOUNTER25 0xc19
+#define CSR_HPMCOUNTER26 0xc1a
+#define CSR_HPMCOUNTER27 0xc1b
+#define CSR_HPMCOUNTER28 0xc1c
+#define CSR_HPMCOUNTER29 0xc1d
+#define CSR_HPMCOUNTER30 0xc1e
+#define CSR_HPMCOUNTER31 0xc1f
+#define CSR_SSTATUS 0x100
+#define CSR_SIE 0x104
+#define CSR_STVEC 0x105
+#define CSR_SSCRATCH 0x140
+#define CSR_SEPC 0x141
+#define CSR_SCAUSE 0x142
+#define CSR_SBADADDR 0x143
+#define CSR_SIP 0x144
+#define CSR_SPTBR 0x180
+#define CSR_MSTATUS 0x300
+#define CSR_MISA 0x301
+#define CSR_MEDELEG 0x302
+#define CSR_MIDELEG 0x303
+#define CSR_MIE 0x304
+#define CSR_MTVEC 0x305
+#define CSR_MSCRATCH 0x340
+#define CSR_MEPC 0x341
+#define CSR_MCAUSE 0x342
+#define CSR_MBADADDR 0x343
+#define CSR_MIP 0x344
+#define CSR_TSELECT 0x7a0
+#define CSR_TDATA1 0x7a1
+#define CSR_TDATA2 0x7a2
+#define CSR_TDATA3 0x7a3
+#define CSR_DCSR 0x7b0
+#define CSR_DPC 0x7b1
+#define CSR_DSCRATCH 0x7b2
+#define CSR_MCYCLE 0xb00
+#define CSR_MINSTRET 0xb02
+#define CSR_MHPMCOUNTER3 0xb03
+#define CSR_MHPMCOUNTER4 0xb04
+#define CSR_MHPMCOUNTER5 0xb05
+#define CSR_MHPMCOUNTER6 0xb06
+#define CSR_MHPMCOUNTER7 0xb07
+#define CSR_MHPMCOUNTER8 0xb08
+#define CSR_MHPMCOUNTER9 0xb09
+#define CSR_MHPMCOUNTER10 0xb0a
+#define CSR_MHPMCOUNTER11 0xb0b
+#define CSR_MHPMCOUNTER12 0xb0c
+#define CSR_MHPMCOUNTER13 0xb0d
+#define CSR_MHPMCOUNTER14 0xb0e
+#define CSR_MHPMCOUNTER15 0xb0f
+#define CSR_MHPMCOUNTER16 0xb10
+#define CSR_MHPMCOUNTER17 0xb11
+#define CSR_MHPMCOUNTER18 0xb12
+#define CSR_MHPMCOUNTER19 0xb13
+#define CSR_MHPMCOUNTER20 0xb14
+#define CSR_MHPMCOUNTER21 0xb15
+#define CSR_MHPMCOUNTER22 0xb16
+#define CSR_MHPMCOUNTER23 0xb17
+#define CSR_MHPMCOUNTER24 0xb18
+#define CSR_MHPMCOUNTER25 0xb19
+#define CSR_MHPMCOUNTER26 0xb1a
+#define CSR_MHPMCOUNTER27 0xb1b
+#define CSR_MHPMCOUNTER28 0xb1c
+#define CSR_MHPMCOUNTER29 0xb1d
+#define CSR_MHPMCOUNTER30 0xb1e
+#define CSR_MHPMCOUNTER31 0xb1f
+#define CSR_MUCOUNTEREN 0x320
+#define CSR_MSCOUNTEREN 0x321
+#define CSR_MHPMEVENT3 0x323
+#define CSR_MHPMEVENT4 0x324
+#define CSR_MHPMEVENT5 0x325
+#define CSR_MHPMEVENT6 0x326
+#define CSR_MHPMEVENT7 0x327
+#define CSR_MHPMEVENT8 0x328
+#define CSR_MHPMEVENT9 0x329
+#define CSR_MHPMEVENT10 0x32a
+#define CSR_MHPMEVENT11 0x32b
+#define CSR_MHPMEVENT12 0x32c
+#define CSR_MHPMEVENT13 0x32d
+#define CSR_MHPMEVENT14 0x32e
+#define CSR_MHPMEVENT15 0x32f
+#define CSR_MHPMEVENT16 0x330
+#define CSR_MHPMEVENT17 0x331
+#define CSR_MHPMEVENT18 0x332
+#define CSR_MHPMEVENT19 0x333
+#define CSR_MHPMEVENT20 0x334
+#define CSR_MHPMEVENT21 0x335
+#define CSR_MHPMEVENT22 0x336
+#define CSR_MHPMEVENT23 0x337
+#define CSR_MHPMEVENT24 0x338
+#define CSR_MHPMEVENT25 0x339
+#define CSR_MHPMEVENT26 0x33a
+#define CSR_MHPMEVENT27 0x33b
+#define CSR_MHPMEVENT28 0x33c
+#define CSR_MHPMEVENT29 0x33d
+#define CSR_MHPMEVENT30 0x33e
+#define CSR_MHPMEVENT31 0x33f
+#define CSR_MVENDORID 0xf11
+#define CSR_MARCHID 0xf12
+#define CSR_MIMPID 0xf13
+#define CSR_MHARTID 0xf14
+#define CSR_CYCLEH 0xc80
+#define CSR_TIMEH 0xc81
+#define CSR_INSTRETH 0xc82
+#define CSR_HPMCOUNTER3H 0xc83
+#define CSR_HPMCOUNTER4H 0xc84
+#define CSR_HPMCOUNTER5H 0xc85
+#define CSR_HPMCOUNTER6H 0xc86
+#define CSR_HPMCOUNTER7H 0xc87
+#define CSR_HPMCOUNTER8H 0xc88
+#define CSR_HPMCOUNTER9H 0xc89
+#define CSR_HPMCOUNTER10H 0xc8a
+#define CSR_HPMCOUNTER11H 0xc8b
+#define CSR_HPMCOUNTER12H 0xc8c
+#define CSR_HPMCOUNTER13H 0xc8d
+#define CSR_HPMCOUNTER14H 0xc8e
+#define CSR_HPMCOUNTER15H 0xc8f
+#define CSR_HPMCOUNTER16H 0xc90
+#define CSR_HPMCOUNTER17H 0xc91
+#define CSR_HPMCOUNTER18H 0xc92
+#define CSR_HPMCOUNTER19H 0xc93
+#define CSR_HPMCOUNTER20H 0xc94
+#define CSR_HPMCOUNTER21H 0xc95
+#define CSR_HPMCOUNTER22H 0xc96
+#define CSR_HPMCOUNTER23H 0xc97
+#define CSR_HPMCOUNTER24H 0xc98
+#define CSR_HPMCOUNTER25H 0xc99
+#define CSR_HPMCOUNTER26H 0xc9a
+#define CSR_HPMCOUNTER27H 0xc9b
+#define CSR_HPMCOUNTER28H 0xc9c
+#define CSR_HPMCOUNTER29H 0xc9d
+#define CSR_HPMCOUNTER30H 0xc9e
+#define CSR_HPMCOUNTER31H 0xc9f
+#define CSR_MCYCLEH 0xb80
+#define CSR_MINSTRETH 0xb82
+#define CSR_MHPMCOUNTER3H 0xb83
+#define CSR_MHPMCOUNTER4H 0xb84
+#define CSR_MHPMCOUNTER5H 0xb85
+#define CSR_MHPMCOUNTER6H 0xb86
+#define CSR_MHPMCOUNTER7H 0xb87
+#define CSR_MHPMCOUNTER8H 0xb88
+#define CSR_MHPMCOUNTER9H 0xb89
+#define CSR_MHPMCOUNTER10H 0xb8a
+#define CSR_MHPMCOUNTER11H 0xb8b
+#define CSR_MHPMCOUNTER12H 0xb8c
+#define CSR_MHPMCOUNTER13H 0xb8d
+#define CSR_MHPMCOUNTER14H 0xb8e
+#define CSR_MHPMCOUNTER15H 0xb8f
+#define CSR_MHPMCOUNTER16H 0xb90
+#define CSR_MHPMCOUNTER17H 0xb91
+#define CSR_MHPMCOUNTER18H 0xb92
+#define CSR_MHPMCOUNTER19H 0xb93
+#define CSR_MHPMCOUNTER20H 0xb94
+#define CSR_MHPMCOUNTER21H 0xb95
+#define CSR_MHPMCOUNTER22H 0xb96
+#define CSR_MHPMCOUNTER23H 0xb97
+#define CSR_MHPMCOUNTER24H 0xb98
+#define CSR_MHPMCOUNTER25H 0xb99
+#define CSR_MHPMCOUNTER26H 0xb9a
+#define CSR_MHPMCOUNTER27H 0xb9b
+#define CSR_MHPMCOUNTER28H 0xb9c
+#define CSR_MHPMCOUNTER29H 0xb9d
+#define CSR_MHPMCOUNTER30H 0xb9e
+#define CSR_MHPMCOUNTER31H 0xb9f
+#define CAUSE_MISALIGNED_FETCH 0x0
+#define CAUSE_FAULT_FETCH 0x1
+#define CAUSE_ILLEGAL_INSTRUCTION 0x2
+#define CAUSE_BREAKPOINT 0x3
+#define CAUSE_MISALIGNED_LOAD 0x4
+#define CAUSE_FAULT_LOAD 0x5
+#define CAUSE_MISALIGNED_STORE 0x6
+#define CAUSE_FAULT_STORE 0x7
+#define CAUSE_USER_ECALL 0x8
+#define CAUSE_SUPERVISOR_ECALL 0x9
+#define CAUSE_HYPERVISOR_ECALL 0xa
+#define CAUSE_MACHINE_ECALL 0xb
+#endif
+#ifdef DECLARE_INSN
+DECLARE_INSN(slli_rv32, MATCH_SLLI_RV32, MASK_SLLI_RV32)
+DECLARE_INSN(srli_rv32, MATCH_SRLI_RV32, MASK_SRLI_RV32)
+DECLARE_INSN(srai_rv32, MATCH_SRAI_RV32, MASK_SRAI_RV32)
+DECLARE_INSN(frflags, MATCH_FRFLAGS, MASK_FRFLAGS)
+DECLARE_INSN(fsflags, MATCH_FSFLAGS, MASK_FSFLAGS)
+DECLARE_INSN(fsflagsi, MATCH_FSFLAGSI, MASK_FSFLAGSI)
+DECLARE_INSN(frrm, MATCH_FRRM, MASK_FRRM)
+DECLARE_INSN(fsrm, MATCH_FSRM, MASK_FSRM)
+DECLARE_INSN(fsrmi, MATCH_FSRMI, MASK_FSRMI)
+DECLARE_INSN(fscsr, MATCH_FSCSR, MASK_FSCSR)
+DECLARE_INSN(frcsr, MATCH_FRCSR, MASK_FRCSR)
+DECLARE_INSN(rdcycle, MATCH_RDCYCLE, MASK_RDCYCLE)
+DECLARE_INSN(rdtime, MATCH_RDTIME, MASK_RDTIME)
+DECLARE_INSN(rdinstret, MATCH_RDINSTRET, MASK_RDINSTRET)
+DECLARE_INSN(rdcycleh, MATCH_RDCYCLEH, MASK_RDCYCLEH)
+DECLARE_INSN(rdtimeh, MATCH_RDTIMEH, MASK_RDTIMEH)
+DECLARE_INSN(rdinstreth, MATCH_RDINSTRETH, MASK_RDINSTRETH)
+DECLARE_INSN(scall, MATCH_SCALL, MASK_SCALL)
+DECLARE_INSN(sbreak, MATCH_SBREAK, MASK_SBREAK)
+DECLARE_INSN(beq, MATCH_BEQ, MASK_BEQ)
+DECLARE_INSN(bne, MATCH_BNE, MASK_BNE)
+DECLARE_INSN(blt, MATCH_BLT, MASK_BLT)
+DECLARE_INSN(bge, MATCH_BGE, MASK_BGE)
+DECLARE_INSN(bltu, MATCH_BLTU, MASK_BLTU)
+DECLARE_INSN(bgeu, MATCH_BGEU, MASK_BGEU)
+DECLARE_INSN(jalr, MATCH_JALR, MASK_JALR)
+DECLARE_INSN(jal, MATCH_JAL, MASK_JAL)
+DECLARE_INSN(lui, MATCH_LUI, MASK_LUI)
+DECLARE_INSN(auipc, MATCH_AUIPC, MASK_AUIPC)
+DECLARE_INSN(addi, MATCH_ADDI, MASK_ADDI)
+DECLARE_INSN(slli, MATCH_SLLI, MASK_SLLI)
+DECLARE_INSN(slti, MATCH_SLTI, MASK_SLTI)
+DECLARE_INSN(sltiu, MATCH_SLTIU, MASK_SLTIU)
+DECLARE_INSN(xori, MATCH_XORI, MASK_XORI)
+DECLARE_INSN(srli, MATCH_SRLI, MASK_SRLI)
+DECLARE_INSN(srai, MATCH_SRAI, MASK_SRAI)
+DECLARE_INSN(ori, MATCH_ORI, MASK_ORI)
+DECLARE_INSN(andi, MATCH_ANDI, MASK_ANDI)
+DECLARE_INSN(add, MATCH_ADD, MASK_ADD)
+DECLARE_INSN(sub, MATCH_SUB, MASK_SUB)
+DECLARE_INSN(sll, MATCH_SLL, MASK_SLL)
+DECLARE_INSN(slt, MATCH_SLT, MASK_SLT)
+DECLARE_INSN(sltu, MATCH_SLTU, MASK_SLTU)
+DECLARE_INSN(xor, MATCH_XOR, MASK_XOR)
+DECLARE_INSN(srl, MATCH_SRL, MASK_SRL)
+DECLARE_INSN(sra, MATCH_SRA, MASK_SRA)
+DECLARE_INSN(or, MATCH_OR, MASK_OR)
+DECLARE_INSN(and, MATCH_AND, MASK_AND)
+DECLARE_INSN(addiw, MATCH_ADDIW, MASK_ADDIW)
+DECLARE_INSN(slliw, MATCH_SLLIW, MASK_SLLIW)
+DECLARE_INSN(srliw, MATCH_SRLIW, MASK_SRLIW)
+DECLARE_INSN(sraiw, MATCH_SRAIW, MASK_SRAIW)
+DECLARE_INSN(addw, MATCH_ADDW, MASK_ADDW)
+DECLARE_INSN(subw, MATCH_SUBW, MASK_SUBW)
+DECLARE_INSN(sllw, MATCH_SLLW, MASK_SLLW)
+DECLARE_INSN(srlw, MATCH_SRLW, MASK_SRLW)
+DECLARE_INSN(sraw, MATCH_SRAW, MASK_SRAW)
+DECLARE_INSN(lb, MATCH_LB, MASK_LB)
+DECLARE_INSN(lh, MATCH_LH, MASK_LH)
+DECLARE_INSN(lw, MATCH_LW, MASK_LW)
+DECLARE_INSN(ld, MATCH_LD, MASK_LD)
+DECLARE_INSN(lbu, MATCH_LBU, MASK_LBU)
+DECLARE_INSN(lhu, MATCH_LHU, MASK_LHU)
+DECLARE_INSN(lwu, MATCH_LWU, MASK_LWU)
+DECLARE_INSN(sb, MATCH_SB, MASK_SB)
+DECLARE_INSN(sh, MATCH_SH, MASK_SH)
+DECLARE_INSN(sw, MATCH_SW, MASK_SW)
+DECLARE_INSN(sd, MATCH_SD, MASK_SD)
+DECLARE_INSN(fence, MATCH_FENCE, MASK_FENCE)
+DECLARE_INSN(fence_i, MATCH_FENCE_I, MASK_FENCE_I)
+DECLARE_INSN(mul, MATCH_MUL, MASK_MUL)
+DECLARE_INSN(mulh, MATCH_MULH, MASK_MULH)
+DECLARE_INSN(mulhsu, MATCH_MULHSU, MASK_MULHSU)
+DECLARE_INSN(mulhu, MATCH_MULHU, MASK_MULHU)
+DECLARE_INSN(div, MATCH_DIV, MASK_DIV)
+DECLARE_INSN(divu, MATCH_DIVU, MASK_DIVU)
+DECLARE_INSN(rem, MATCH_REM, MASK_REM)
+DECLARE_INSN(remu, MATCH_REMU, MASK_REMU)
+DECLARE_INSN(mulw, MATCH_MULW, MASK_MULW)
+DECLARE_INSN(divw, MATCH_DIVW, MASK_DIVW)
+DECLARE_INSN(divuw, MATCH_DIVUW, MASK_DIVUW)
+DECLARE_INSN(remw, MATCH_REMW, MASK_REMW)
+DECLARE_INSN(remuw, MATCH_REMUW, MASK_REMUW)
+DECLARE_INSN(amoadd_w, MATCH_AMOADD_W, MASK_AMOADD_W)
+DECLARE_INSN(amoxor_w, MATCH_AMOXOR_W, MASK_AMOXOR_W)
+DECLARE_INSN(amoor_w, MATCH_AMOOR_W, MASK_AMOOR_W)
+DECLARE_INSN(amoand_w, MATCH_AMOAND_W, MASK_AMOAND_W)
+DECLARE_INSN(amomin_w, MATCH_AMOMIN_W, MASK_AMOMIN_W)
+DECLARE_INSN(amomax_w, MATCH_AMOMAX_W, MASK_AMOMAX_W)
+DECLARE_INSN(amominu_w, MATCH_AMOMINU_W, MASK_AMOMINU_W)
+DECLARE_INSN(amomaxu_w, MATCH_AMOMAXU_W, MASK_AMOMAXU_W)
+DECLARE_INSN(amoswap_w, MATCH_AMOSWAP_W, MASK_AMOSWAP_W)
+DECLARE_INSN(lr_w, MATCH_LR_W, MASK_LR_W)
+DECLARE_INSN(sc_w, MATCH_SC_W, MASK_SC_W)
+DECLARE_INSN(amoadd_d, MATCH_AMOADD_D, MASK_AMOADD_D)
+DECLARE_INSN(amoxor_d, MATCH_AMOXOR_D, MASK_AMOXOR_D)
+DECLARE_INSN(amoor_d, MATCH_AMOOR_D, MASK_AMOOR_D)
+DECLARE_INSN(amoand_d, MATCH_AMOAND_D, MASK_AMOAND_D)
+DECLARE_INSN(amomin_d, MATCH_AMOMIN_D, MASK_AMOMIN_D)
+DECLARE_INSN(amomax_d, MATCH_AMOMAX_D, MASK_AMOMAX_D)
+DECLARE_INSN(amominu_d, MATCH_AMOMINU_D, MASK_AMOMINU_D)
+DECLARE_INSN(amomaxu_d, MATCH_AMOMAXU_D, MASK_AMOMAXU_D)
+DECLARE_INSN(amoswap_d, MATCH_AMOSWAP_D, MASK_AMOSWAP_D)
+DECLARE_INSN(lr_d, MATCH_LR_D, MASK_LR_D)
+DECLARE_INSN(sc_d, MATCH_SC_D, MASK_SC_D)
+DECLARE_INSN(ecall, MATCH_ECALL, MASK_ECALL)
+DECLARE_INSN(ebreak, MATCH_EBREAK, MASK_EBREAK)
+DECLARE_INSN(uret, MATCH_URET, MASK_URET)
+DECLARE_INSN(sret, MATCH_SRET, MASK_SRET)
+DECLARE_INSN(hret, MATCH_HRET, MASK_HRET)
+DECLARE_INSN(mret, MATCH_MRET, MASK_MRET)
+DECLARE_INSN(dret, MATCH_DRET, MASK_DRET)
+DECLARE_INSN(sfence_vm, MATCH_SFENCE_VM, MASK_SFENCE_VM)
+DECLARE_INSN(wfi, MATCH_WFI, MASK_WFI)
+DECLARE_INSN(csrrw, MATCH_CSRRW, MASK_CSRRW)
+DECLARE_INSN(csrrs, MATCH_CSRRS, MASK_CSRRS)
+DECLARE_INSN(csrrc, MATCH_CSRRC, MASK_CSRRC)
+DECLARE_INSN(csrrwi, MATCH_CSRRWI, MASK_CSRRWI)
+DECLARE_INSN(csrrsi, MATCH_CSRRSI, MASK_CSRRSI)
+DECLARE_INSN(csrrci, MATCH_CSRRCI, MASK_CSRRCI)
+DECLARE_INSN(fadd_s, MATCH_FADD_S, MASK_FADD_S)
+DECLARE_INSN(fsub_s, MATCH_FSUB_S, MASK_FSUB_S)
+DECLARE_INSN(fmul_s, MATCH_FMUL_S, MASK_FMUL_S)
+DECLARE_INSN(fdiv_s, MATCH_FDIV_S, MASK_FDIV_S)
+DECLARE_INSN(fsgnj_s, MATCH_FSGNJ_S, MASK_FSGNJ_S)
+DECLARE_INSN(fsgnjn_s, MATCH_FSGNJN_S, MASK_FSGNJN_S)
+DECLARE_INSN(fsgnjx_s, MATCH_FSGNJX_S, MASK_FSGNJX_S)
+DECLARE_INSN(fmin_s, MATCH_FMIN_S, MASK_FMIN_S)
+DECLARE_INSN(fmax_s, MATCH_FMAX_S, MASK_FMAX_S)
+DECLARE_INSN(fsqrt_s, MATCH_FSQRT_S, MASK_FSQRT_S)
+DECLARE_INSN(fadd_d, MATCH_FADD_D, MASK_FADD_D)
+DECLARE_INSN(fsub_d, MATCH_FSUB_D, MASK_FSUB_D)
+DECLARE_INSN(fmul_d, MATCH_FMUL_D, MASK_FMUL_D)
+DECLARE_INSN(fdiv_d, MATCH_FDIV_D, MASK_FDIV_D)
+DECLARE_INSN(fsgnj_d, MATCH_FSGNJ_D, MASK_FSGNJ_D)
+DECLARE_INSN(fsgnjn_d, MATCH_FSGNJN_D, MASK_FSGNJN_D)
+DECLARE_INSN(fsgnjx_d, MATCH_FSGNJX_D, MASK_FSGNJX_D)
+DECLARE_INSN(fmin_d, MATCH_FMIN_D, MASK_FMIN_D)
+DECLARE_INSN(fmax_d, MATCH_FMAX_D, MASK_FMAX_D)
+DECLARE_INSN(fcvt_s_d, MATCH_FCVT_S_D, MASK_FCVT_S_D)
+DECLARE_INSN(fcvt_d_s, MATCH_FCVT_D_S, MASK_FCVT_D_S)
+DECLARE_INSN(fsqrt_d, MATCH_FSQRT_D, MASK_FSQRT_D)
+DECLARE_INSN(fle_s, MATCH_FLE_S, MASK_FLE_S)
+DECLARE_INSN(flt_s, MATCH_FLT_S, MASK_FLT_S)
+DECLARE_INSN(feq_s, MATCH_FEQ_S, MASK_FEQ_S)
+DECLARE_INSN(fle_d, MATCH_FLE_D, MASK_FLE_D)
+DECLARE_INSN(flt_d, MATCH_FLT_D, MASK_FLT_D)
+DECLARE_INSN(feq_d, MATCH_FEQ_D, MASK_FEQ_D)
+DECLARE_INSN(fcvt_w_s, MATCH_FCVT_W_S, MASK_FCVT_W_S)
+DECLARE_INSN(fcvt_wu_s, MATCH_FCVT_WU_S, MASK_FCVT_WU_S)
+DECLARE_INSN(fcvt_l_s, MATCH_FCVT_L_S, MASK_FCVT_L_S)
+DECLARE_INSN(fcvt_lu_s, MATCH_FCVT_LU_S, MASK_FCVT_LU_S)
+DECLARE_INSN(fmv_x_s, MATCH_FMV_X_S, MASK_FMV_X_S)
+DECLARE_INSN(fclass_s, MATCH_FCLASS_S, MASK_FCLASS_S)
+DECLARE_INSN(fcvt_w_d, MATCH_FCVT_W_D, MASK_FCVT_W_D)
+DECLARE_INSN(fcvt_wu_d, MATCH_FCVT_WU_D, MASK_FCVT_WU_D)
+DECLARE_INSN(fcvt_l_d, MATCH_FCVT_L_D, MASK_FCVT_L_D)
+DECLARE_INSN(fcvt_lu_d, MATCH_FCVT_LU_D, MASK_FCVT_LU_D)
+DECLARE_INSN(fmv_x_d, MATCH_FMV_X_D, MASK_FMV_X_D)
+DECLARE_INSN(fclass_d, MATCH_FCLASS_D, MASK_FCLASS_D)
+DECLARE_INSN(fcvt_s_w, MATCH_FCVT_S_W, MASK_FCVT_S_W)
+DECLARE_INSN(fcvt_s_wu, MATCH_FCVT_S_WU, MASK_FCVT_S_WU)
+DECLARE_INSN(fcvt_s_l, MATCH_FCVT_S_L, MASK_FCVT_S_L)
+DECLARE_INSN(fcvt_s_lu, MATCH_FCVT_S_LU, MASK_FCVT_S_LU)
+DECLARE_INSN(fmv_s_x, MATCH_FMV_S_X, MASK_FMV_S_X)
+DECLARE_INSN(fcvt_d_w, MATCH_FCVT_D_W, MASK_FCVT_D_W)
+DECLARE_INSN(fcvt_d_wu, MATCH_FCVT_D_WU, MASK_FCVT_D_WU)
+DECLARE_INSN(fcvt_d_l, MATCH_FCVT_D_L, MASK_FCVT_D_L)
+DECLARE_INSN(fcvt_d_lu, MATCH_FCVT_D_LU, MASK_FCVT_D_LU)
+DECLARE_INSN(fmv_d_x, MATCH_FMV_D_X, MASK_FMV_D_X)
+DECLARE_INSN(flw, MATCH_FLW, MASK_FLW)
+DECLARE_INSN(fld, MATCH_FLD, MASK_FLD)
+DECLARE_INSN(fsw, MATCH_FSW, MASK_FSW)
+DECLARE_INSN(fsd, MATCH_FSD, MASK_FSD)
+DECLARE_INSN(fmadd_s, MATCH_FMADD_S, MASK_FMADD_S)
+DECLARE_INSN(fmsub_s, MATCH_FMSUB_S, MASK_FMSUB_S)
+DECLARE_INSN(fnmsub_s, MATCH_FNMSUB_S, MASK_FNMSUB_S)
+DECLARE_INSN(fnmadd_s, MATCH_FNMADD_S, MASK_FNMADD_S)
+DECLARE_INSN(fmadd_d, MATCH_FMADD_D, MASK_FMADD_D)
+DECLARE_INSN(fmsub_d, MATCH_FMSUB_D, MASK_FMSUB_D)
+DECLARE_INSN(fnmsub_d, MATCH_FNMSUB_D, MASK_FNMSUB_D)
+DECLARE_INSN(fnmadd_d, MATCH_FNMADD_D, MASK_FNMADD_D)
+DECLARE_INSN(c_addi4spn, MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN)
+DECLARE_INSN(c_fld, MATCH_C_FLD, MASK_C_FLD)
+DECLARE_INSN(c_lw, MATCH_C_LW, MASK_C_LW)
+DECLARE_INSN(c_flw, MATCH_C_FLW, MASK_C_FLW)
+DECLARE_INSN(c_fsd, MATCH_C_FSD, MASK_C_FSD)
+DECLARE_INSN(c_sw, MATCH_C_SW, MASK_C_SW)
+DECLARE_INSN(c_fsw, MATCH_C_FSW, MASK_C_FSW)
+DECLARE_INSN(c_addi, MATCH_C_ADDI, MASK_C_ADDI)
+DECLARE_INSN(c_jal, MATCH_C_JAL, MASK_C_JAL)
+DECLARE_INSN(c_li, MATCH_C_LI, MASK_C_LI)
+DECLARE_INSN(c_lui, MATCH_C_LUI, MASK_C_LUI)
+DECLARE_INSN(c_srli, MATCH_C_SRLI, MASK_C_SRLI)
+DECLARE_INSN(c_srai, MATCH_C_SRAI, MASK_C_SRAI)
+DECLARE_INSN(c_andi, MATCH_C_ANDI, MASK_C_ANDI)
+DECLARE_INSN(c_sub, MATCH_C_SUB, MASK_C_SUB)
+DECLARE_INSN(c_xor, MATCH_C_XOR, MASK_C_XOR)
+DECLARE_INSN(c_or, MATCH_C_OR, MASK_C_OR)
+DECLARE_INSN(c_and, MATCH_C_AND, MASK_C_AND)
+DECLARE_INSN(c_subw, MATCH_C_SUBW, MASK_C_SUBW)
+DECLARE_INSN(c_addw, MATCH_C_ADDW, MASK_C_ADDW)
+DECLARE_INSN(c_j, MATCH_C_J, MASK_C_J)
+DECLARE_INSN(c_beqz, MATCH_C_BEQZ, MASK_C_BEQZ)
+DECLARE_INSN(c_bnez, MATCH_C_BNEZ, MASK_C_BNEZ)
+DECLARE_INSN(c_slli, MATCH_C_SLLI, MASK_C_SLLI)
+DECLARE_INSN(c_fldsp, MATCH_C_FLDSP, MASK_C_FLDSP)
+DECLARE_INSN(c_lwsp, MATCH_C_LWSP, MASK_C_LWSP)
+DECLARE_INSN(c_flwsp, MATCH_C_FLWSP, MASK_C_FLWSP)
+DECLARE_INSN(c_mv, MATCH_C_MV, MASK_C_MV)
+DECLARE_INSN(c_add, MATCH_C_ADD, MASK_C_ADD)
+DECLARE_INSN(c_fsdsp, MATCH_C_FSDSP, MASK_C_FSDSP)
+DECLARE_INSN(c_swsp, MATCH_C_SWSP, MASK_C_SWSP)
+DECLARE_INSN(c_fswsp, MATCH_C_FSWSP, MASK_C_FSWSP)
+DECLARE_INSN(c_nop, MATCH_C_NOP, MASK_C_NOP)
+DECLARE_INSN(c_addi16sp, MATCH_C_ADDI16SP, MASK_C_ADDI16SP)
+DECLARE_INSN(c_jr, MATCH_C_JR, MASK_C_JR)
+DECLARE_INSN(c_jalr, MATCH_C_JALR, MASK_C_JALR)
+DECLARE_INSN(c_ebreak, MATCH_C_EBREAK, MASK_C_EBREAK)
+DECLARE_INSN(c_ld, MATCH_C_LD, MASK_C_LD)
+DECLARE_INSN(c_sd, MATCH_C_SD, MASK_C_SD)
+DECLARE_INSN(c_addiw, MATCH_C_ADDIW, MASK_C_ADDIW)
+DECLARE_INSN(c_ldsp, MATCH_C_LDSP, MASK_C_LDSP)
+DECLARE_INSN(c_sdsp, MATCH_C_SDSP, MASK_C_SDSP)
+DECLARE_INSN(custom0, MATCH_CUSTOM0, MASK_CUSTOM0)
+DECLARE_INSN(custom0_rs1, MATCH_CUSTOM0_RS1, MASK_CUSTOM0_RS1)
+DECLARE_INSN(custom0_rs1_rs2, MATCH_CUSTOM0_RS1_RS2, MASK_CUSTOM0_RS1_RS2)
+DECLARE_INSN(custom0_rd, MATCH_CUSTOM0_RD, MASK_CUSTOM0_RD)
+DECLARE_INSN(custom0_rd_rs1, MATCH_CUSTOM0_RD_RS1, MASK_CUSTOM0_RD_RS1)
+DECLARE_INSN(custom0_rd_rs1_rs2, MATCH_CUSTOM0_RD_RS1_RS2, MASK_CUSTOM0_RD_RS1_RS2)
+DECLARE_INSN(custom1, MATCH_CUSTOM1, MASK_CUSTOM1)
+DECLARE_INSN(custom1_rs1, MATCH_CUSTOM1_RS1, MASK_CUSTOM1_RS1)
+DECLARE_INSN(custom1_rs1_rs2, MATCH_CUSTOM1_RS1_RS2, MASK_CUSTOM1_RS1_RS2)
+DECLARE_INSN(custom1_rd, MATCH_CUSTOM1_RD, MASK_CUSTOM1_RD)
+DECLARE_INSN(custom1_rd_rs1, MATCH_CUSTOM1_RD_RS1, MASK_CUSTOM1_RD_RS1)
+DECLARE_INSN(custom1_rd_rs1_rs2, MATCH_CUSTOM1_RD_RS1_RS2, MASK_CUSTOM1_RD_RS1_RS2)
+DECLARE_INSN(custom2, MATCH_CUSTOM2, MASK_CUSTOM2)
+DECLARE_INSN(custom2_rs1, MATCH_CUSTOM2_RS1, MASK_CUSTOM2_RS1)
+DECLARE_INSN(custom2_rs1_rs2, MATCH_CUSTOM2_RS1_RS2, MASK_CUSTOM2_RS1_RS2)
+DECLARE_INSN(custom2_rd, MATCH_CUSTOM2_RD, MASK_CUSTOM2_RD)
+DECLARE_INSN(custom2_rd_rs1, MATCH_CUSTOM2_RD_RS1, MASK_CUSTOM2_RD_RS1)
+DECLARE_INSN(custom2_rd_rs1_rs2, MATCH_CUSTOM2_RD_RS1_RS2, MASK_CUSTOM2_RD_RS1_RS2)
+DECLARE_INSN(custom3, MATCH_CUSTOM3, MASK_CUSTOM3)
+DECLARE_INSN(custom3_rs1, MATCH_CUSTOM3_RS1, MASK_CUSTOM3_RS1)
+DECLARE_INSN(custom3_rs1_rs2, MATCH_CUSTOM3_RS1_RS2, MASK_CUSTOM3_RS1_RS2)
+DECLARE_INSN(custom3_rd, MATCH_CUSTOM3_RD, MASK_CUSTOM3_RD)
+DECLARE_INSN(custom3_rd_rs1, MATCH_CUSTOM3_RD_RS1, MASK_CUSTOM3_RD_RS1)
+DECLARE_INSN(custom3_rd_rs1_rs2, MATCH_CUSTOM3_RD_RS1_RS2, MASK_CUSTOM3_RD_RS1_RS2)
+#endif
+#ifdef DECLARE_CSR
+DECLARE_CSR(fflags, CSR_FFLAGS)
+DECLARE_CSR(frm, CSR_FRM)
+DECLARE_CSR(fcsr, CSR_FCSR)
+DECLARE_CSR(cycle, CSR_CYCLE)
+DECLARE_CSR(time, CSR_TIME)
+DECLARE_CSR(instret, CSR_INSTRET)
+DECLARE_CSR(hpmcounter3, CSR_HPMCOUNTER3)
+DECLARE_CSR(hpmcounter4, CSR_HPMCOUNTER4)
+DECLARE_CSR(hpmcounter5, CSR_HPMCOUNTER5)
+DECLARE_CSR(hpmcounter6, CSR_HPMCOUNTER6)
+DECLARE_CSR(hpmcounter7, CSR_HPMCOUNTER7)
+DECLARE_CSR(hpmcounter8, CSR_HPMCOUNTER8)
+DECLARE_CSR(hpmcounter9, CSR_HPMCOUNTER9)
+DECLARE_CSR(hpmcounter10, CSR_HPMCOUNTER10)
+DECLARE_CSR(hpmcounter11, CSR_HPMCOUNTER11)
+DECLARE_CSR(hpmcounter12, CSR_HPMCOUNTER12)
+DECLARE_CSR(hpmcounter13, CSR_HPMCOUNTER13)
+DECLARE_CSR(hpmcounter14, CSR_HPMCOUNTER14)
+DECLARE_CSR(hpmcounter15, CSR_HPMCOUNTER15)
+DECLARE_CSR(hpmcounter16, CSR_HPMCOUNTER16)
+DECLARE_CSR(hpmcounter17, CSR_HPMCOUNTER17)
+DECLARE_CSR(hpmcounter18, CSR_HPMCOUNTER18)
+DECLARE_CSR(hpmcounter19, CSR_HPMCOUNTER19)
+DECLARE_CSR(hpmcounter20, CSR_HPMCOUNTER20)
+DECLARE_CSR(hpmcounter21, CSR_HPMCOUNTER21)
+DECLARE_CSR(hpmcounter22, CSR_HPMCOUNTER22)
+DECLARE_CSR(hpmcounter23, CSR_HPMCOUNTER23)
+DECLARE_CSR(hpmcounter24, CSR_HPMCOUNTER24)
+DECLARE_CSR(hpmcounter25, CSR_HPMCOUNTER25)
+DECLARE_CSR(hpmcounter26, CSR_HPMCOUNTER26)
+DECLARE_CSR(hpmcounter27, CSR_HPMCOUNTER27)
+DECLARE_CSR(hpmcounter28, CSR_HPMCOUNTER28)
+DECLARE_CSR(hpmcounter29, CSR_HPMCOUNTER29)
+DECLARE_CSR(hpmcounter30, CSR_HPMCOUNTER30)
+DECLARE_CSR(hpmcounter31, CSR_HPMCOUNTER31)
+DECLARE_CSR(sstatus, CSR_SSTATUS)
+DECLARE_CSR(sie, CSR_SIE)
+DECLARE_CSR(stvec, CSR_STVEC)
+DECLARE_CSR(sscratch, CSR_SSCRATCH)
+DECLARE_CSR(sepc, CSR_SEPC)
+DECLARE_CSR(scause, CSR_SCAUSE)
+DECLARE_CSR(sbadaddr, CSR_SBADADDR)
+DECLARE_CSR(sip, CSR_SIP)
+DECLARE_CSR(sptbr, CSR_SPTBR)
+DECLARE_CSR(mstatus, CSR_MSTATUS)
+DECLARE_CSR(misa, CSR_MISA)
+DECLARE_CSR(medeleg, CSR_MEDELEG)
+DECLARE_CSR(mideleg, CSR_MIDELEG)
+DECLARE_CSR(mie, CSR_MIE)
+DECLARE_CSR(mtvec, CSR_MTVEC)
+DECLARE_CSR(mscratch, CSR_MSCRATCH)
+DECLARE_CSR(mepc, CSR_MEPC)
+DECLARE_CSR(mcause, CSR_MCAUSE)
+DECLARE_CSR(mbadaddr, CSR_MBADADDR)
+DECLARE_CSR(mip, CSR_MIP)
+DECLARE_CSR(tselect, CSR_TSELECT)
+DECLARE_CSR(tdata1, CSR_TDATA1)
+DECLARE_CSR(tdata2, CSR_TDATA2)
+DECLARE_CSR(tdata3, CSR_TDATA3)
+DECLARE_CSR(dcsr, CSR_DCSR)
+DECLARE_CSR(dpc, CSR_DPC)
+DECLARE_CSR(dscratch, CSR_DSCRATCH)
+DECLARE_CSR(mcycle, CSR_MCYCLE)
+DECLARE_CSR(minstret, CSR_MINSTRET)
+DECLARE_CSR(mhpmcounter3, CSR_MHPMCOUNTER3)
+DECLARE_CSR(mhpmcounter4, CSR_MHPMCOUNTER4)
+DECLARE_CSR(mhpmcounter5, CSR_MHPMCOUNTER5)
+DECLARE_CSR(mhpmcounter6, CSR_MHPMCOUNTER6)
+DECLARE_CSR(mhpmcounter7, CSR_MHPMCOUNTER7)
+DECLARE_CSR(mhpmcounter8, CSR_MHPMCOUNTER8)
+DECLARE_CSR(mhpmcounter9, CSR_MHPMCOUNTER9)
+DECLARE_CSR(mhpmcounter10, CSR_MHPMCOUNTER10)
+DECLARE_CSR(mhpmcounter11, CSR_MHPMCOUNTER11)
+DECLARE_CSR(mhpmcounter12, CSR_MHPMCOUNTER12)
+DECLARE_CSR(mhpmcounter13, CSR_MHPMCOUNTER13)
+DECLARE_CSR(mhpmcounter14, CSR_MHPMCOUNTER14)
+DECLARE_CSR(mhpmcounter15, CSR_MHPMCOUNTER15)
+DECLARE_CSR(mhpmcounter16, CSR_MHPMCOUNTER16)
+DECLARE_CSR(mhpmcounter17, CSR_MHPMCOUNTER17)
+DECLARE_CSR(mhpmcounter18, CSR_MHPMCOUNTER18)
+DECLARE_CSR(mhpmcounter19, CSR_MHPMCOUNTER19)
+DECLARE_CSR(mhpmcounter20, CSR_MHPMCOUNTER20)
+DECLARE_CSR(mhpmcounter21, CSR_MHPMCOUNTER21)
+DECLARE_CSR(mhpmcounter22, CSR_MHPMCOUNTER22)
+DECLARE_CSR(mhpmcounter23, CSR_MHPMCOUNTER23)
+DECLARE_CSR(mhpmcounter24, CSR_MHPMCOUNTER24)
+DECLARE_CSR(mhpmcounter25, CSR_MHPMCOUNTER25)
+DECLARE_CSR(mhpmcounter26, CSR_MHPMCOUNTER26)
+DECLARE_CSR(mhpmcounter27, CSR_MHPMCOUNTER27)
+DECLARE_CSR(mhpmcounter28, CSR_MHPMCOUNTER28)
+DECLARE_CSR(mhpmcounter29, CSR_MHPMCOUNTER29)
+DECLARE_CSR(mhpmcounter30, CSR_MHPMCOUNTER30)
+DECLARE_CSR(mhpmcounter31, CSR_MHPMCOUNTER31)
+DECLARE_CSR(mucounteren, CSR_MUCOUNTEREN)
+DECLARE_CSR(mscounteren, CSR_MSCOUNTEREN)
+DECLARE_CSR(mhpmevent3, CSR_MHPMEVENT3)
+DECLARE_CSR(mhpmevent4, CSR_MHPMEVENT4)
+DECLARE_CSR(mhpmevent5, CSR_MHPMEVENT5)
+DECLARE_CSR(mhpmevent6, CSR_MHPMEVENT6)
+DECLARE_CSR(mhpmevent7, CSR_MHPMEVENT7)
+DECLARE_CSR(mhpmevent8, CSR_MHPMEVENT8)
+DECLARE_CSR(mhpmevent9, CSR_MHPMEVENT9)
+DECLARE_CSR(mhpmevent10, CSR_MHPMEVENT10)
+DECLARE_CSR(mhpmevent11, CSR_MHPMEVENT11)
+DECLARE_CSR(mhpmevent12, CSR_MHPMEVENT12)
+DECLARE_CSR(mhpmevent13, CSR_MHPMEVENT13)
+DECLARE_CSR(mhpmevent14, CSR_MHPMEVENT14)
+DECLARE_CSR(mhpmevent15, CSR_MHPMEVENT15)
+DECLARE_CSR(mhpmevent16, CSR_MHPMEVENT16)
+DECLARE_CSR(mhpmevent17, CSR_MHPMEVENT17)
+DECLARE_CSR(mhpmevent18, CSR_MHPMEVENT18)
+DECLARE_CSR(mhpmevent19, CSR_MHPMEVENT19)
+DECLARE_CSR(mhpmevent20, CSR_MHPMEVENT20)
+DECLARE_CSR(mhpmevent21, CSR_MHPMEVENT21)
+DECLARE_CSR(mhpmevent22, CSR_MHPMEVENT22)
+DECLARE_CSR(mhpmevent23, CSR_MHPMEVENT23)
+DECLARE_CSR(mhpmevent24, CSR_MHPMEVENT24)
+DECLARE_CSR(mhpmevent25, CSR_MHPMEVENT25)
+DECLARE_CSR(mhpmevent26, CSR_MHPMEVENT26)
+DECLARE_CSR(mhpmevent27, CSR_MHPMEVENT27)
+DECLARE_CSR(mhpmevent28, CSR_MHPMEVENT28)
+DECLARE_CSR(mhpmevent29, CSR_MHPMEVENT29)
+DECLARE_CSR(mhpmevent30, CSR_MHPMEVENT30)
+DECLARE_CSR(mhpmevent31, CSR_MHPMEVENT31)
+DECLARE_CSR(mvendorid, CSR_MVENDORID)
+DECLARE_CSR(marchid, CSR_MARCHID)
+DECLARE_CSR(mimpid, CSR_MIMPID)
+DECLARE_CSR(mhartid, CSR_MHARTID)
+DECLARE_CSR(cycleh, CSR_CYCLEH)
+DECLARE_CSR(timeh, CSR_TIMEH)
+DECLARE_CSR(instreth, CSR_INSTRETH)
+DECLARE_CSR(hpmcounter3h, CSR_HPMCOUNTER3H)
+DECLARE_CSR(hpmcounter4h, CSR_HPMCOUNTER4H)
+DECLARE_CSR(hpmcounter5h, CSR_HPMCOUNTER5H)
+DECLARE_CSR(hpmcounter6h, CSR_HPMCOUNTER6H)
+DECLARE_CSR(hpmcounter7h, CSR_HPMCOUNTER7H)
+DECLARE_CSR(hpmcounter8h, CSR_HPMCOUNTER8H)
+DECLARE_CSR(hpmcounter9h, CSR_HPMCOUNTER9H)
+DECLARE_CSR(hpmcounter10h, CSR_HPMCOUNTER10H)
+DECLARE_CSR(hpmcounter11h, CSR_HPMCOUNTER11H)
+DECLARE_CSR(hpmcounter12h, CSR_HPMCOUNTER12H)
+DECLARE_CSR(hpmcounter13h, CSR_HPMCOUNTER13H)
+DECLARE_CSR(hpmcounter14h, CSR_HPMCOUNTER14H)
+DECLARE_CSR(hpmcounter15h, CSR_HPMCOUNTER15H)
+DECLARE_CSR(hpmcounter16h, CSR_HPMCOUNTER16H)
+DECLARE_CSR(hpmcounter17h, CSR_HPMCOUNTER17H)
+DECLARE_CSR(hpmcounter18h, CSR_HPMCOUNTER18H)
+DECLARE_CSR(hpmcounter19h, CSR_HPMCOUNTER19H)
+DECLARE_CSR(hpmcounter20h, CSR_HPMCOUNTER20H)
+DECLARE_CSR(hpmcounter21h, CSR_HPMCOUNTER21H)
+DECLARE_CSR(hpmcounter22h, CSR_HPMCOUNTER22H)
+DECLARE_CSR(hpmcounter23h, CSR_HPMCOUNTER23H)
+DECLARE_CSR(hpmcounter24h, CSR_HPMCOUNTER24H)
+DECLARE_CSR(hpmcounter25h, CSR_HPMCOUNTER25H)
+DECLARE_CSR(hpmcounter26h, CSR_HPMCOUNTER26H)
+DECLARE_CSR(hpmcounter27h, CSR_HPMCOUNTER27H)
+DECLARE_CSR(hpmcounter28h, CSR_HPMCOUNTER28H)
+DECLARE_CSR(hpmcounter29h, CSR_HPMCOUNTER29H)
+DECLARE_CSR(hpmcounter30h, CSR_HPMCOUNTER30H)
+DECLARE_CSR(hpmcounter31h, CSR_HPMCOUNTER31H)
+DECLARE_CSR(mcycleh, CSR_MCYCLEH)
+DECLARE_CSR(minstreth, CSR_MINSTRETH)
+DECLARE_CSR(mhpmcounter3h, CSR_MHPMCOUNTER3H)
+DECLARE_CSR(mhpmcounter4h, CSR_MHPMCOUNTER4H)
+DECLARE_CSR(mhpmcounter5h, CSR_MHPMCOUNTER5H)
+DECLARE_CSR(mhpmcounter6h, CSR_MHPMCOUNTER6H)
+DECLARE_CSR(mhpmcounter7h, CSR_MHPMCOUNTER7H)
+DECLARE_CSR(mhpmcounter8h, CSR_MHPMCOUNTER8H)
+DECLARE_CSR(mhpmcounter9h, CSR_MHPMCOUNTER9H)
+DECLARE_CSR(mhpmcounter10h, CSR_MHPMCOUNTER10H)
+DECLARE_CSR(mhpmcounter11h, CSR_MHPMCOUNTER11H)
+DECLARE_CSR(mhpmcounter12h, CSR_MHPMCOUNTER12H)
+DECLARE_CSR(mhpmcounter13h, CSR_MHPMCOUNTER13H)
+DECLARE_CSR(mhpmcounter14h, CSR_MHPMCOUNTER14H)
+DECLARE_CSR(mhpmcounter15h, CSR_MHPMCOUNTER15H)
+DECLARE_CSR(mhpmcounter16h, CSR_MHPMCOUNTER16H)
+DECLARE_CSR(mhpmcounter17h, CSR_MHPMCOUNTER17H)
+DECLARE_CSR(mhpmcounter18h, CSR_MHPMCOUNTER18H)
+DECLARE_CSR(mhpmcounter19h, CSR_MHPMCOUNTER19H)
+DECLARE_CSR(mhpmcounter20h, CSR_MHPMCOUNTER20H)
+DECLARE_CSR(mhpmcounter21h, CSR_MHPMCOUNTER21H)
+DECLARE_CSR(mhpmcounter22h, CSR_MHPMCOUNTER22H)
+DECLARE_CSR(mhpmcounter23h, CSR_MHPMCOUNTER23H)
+DECLARE_CSR(mhpmcounter24h, CSR_MHPMCOUNTER24H)
+DECLARE_CSR(mhpmcounter25h, CSR_MHPMCOUNTER25H)
+DECLARE_CSR(mhpmcounter26h, CSR_MHPMCOUNTER26H)
+DECLARE_CSR(mhpmcounter27h, CSR_MHPMCOUNTER27H)
+DECLARE_CSR(mhpmcounter28h, CSR_MHPMCOUNTER28H)
+DECLARE_CSR(mhpmcounter29h, CSR_MHPMCOUNTER29H)
+DECLARE_CSR(mhpmcounter30h, CSR_MHPMCOUNTER30H)
+DECLARE_CSR(mhpmcounter31h, CSR_MHPMCOUNTER31H)
+#endif
+#ifdef DECLARE_CAUSE
+DECLARE_CAUSE("misaligned fetch", CAUSE_MISALIGNED_FETCH)
+DECLARE_CAUSE("fault fetch", CAUSE_FAULT_FETCH)
+DECLARE_CAUSE("illegal instruction", CAUSE_ILLEGAL_INSTRUCTION)
+DECLARE_CAUSE("breakpoint", CAUSE_BREAKPOINT)
+DECLARE_CAUSE("misaligned load", CAUSE_MISALIGNED_LOAD)
+DECLARE_CAUSE("fault load", CAUSE_FAULT_LOAD)
+DECLARE_CAUSE("misaligned store", CAUSE_MISALIGNED_STORE)
+DECLARE_CAUSE("fault store", CAUSE_FAULT_STORE)
+DECLARE_CAUSE("user_ecall", CAUSE_USER_ECALL)
+DECLARE_CAUSE("supervisor_ecall", CAUSE_SUPERVISOR_ECALL)
+DECLARE_CAUSE("hypervisor_ecall", CAUSE_HYPERVISOR_ECALL)
+DECLARE_CAUSE("machine_ecall", CAUSE_MACHINE_ECALL)
+#endif
--- /dev/null
+/* riscv.h. RISC-V opcode list for GDB, the GNU debugger.
+ Copyright 2011-2016 Free Software Foundation, Inc.
+ Contributed by Andrew Waterman
+
+ This file is part of GDB, GAS, and the GNU binutils.
+
+ GDB, GAS, and the GNU binutils are free software; you can redistribute
+ them and/or modify them under the terms of the GNU General Public
+ License as published by the Free Software Foundation; either version
+ 3, or (at your option) any later version.
+
+ GDB, GAS, and the GNU binutils are distributed in the hope that they
+ will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+#ifndef _RISCV_H_
+#define _RISCV_H_
+
+#include "riscv-opc.h"
+#include <stdlib.h>
+#include <stdint.h>
+
+typedef uint64_t insn_t;
+
+static inline unsigned int riscv_insn_length (insn_t insn)
+{
+ if ((insn & 0x3) != 0x3) /* RVC. */
+ return 2;
+ if ((insn & 0x1f) != 0x1f) /* Base ISA and extensions in 32-bit space. */
+ return 4;
+ if ((insn & 0x3f) == 0x1f) /* 48-bit extensions. */
+ return 6;
+ if ((insn & 0x7f) == 0x3f) /* 64-bit extensions. */
+ return 8;
+ /* Longer instructions not supported at the moment. */
+ return 2;
+}
+
+static const char * const riscv_rm[8] =
+{
+ "rne", "rtz", "rdn", "rup", "rmm", 0, 0, "dyn"
+};
+
+static const char * const riscv_pred_succ[16] =
+{
+ 0, "w", "r", "rw", "o", "ow", "or", "orw",
+ "i", "iw", "ir", "irw", "io", "iow", "ior", "iorw"
+};
+
+#define RVC_JUMP_BITS 11
+#define RVC_JUMP_REACH ((1ULL << RVC_JUMP_BITS) * RISCV_JUMP_ALIGN)
+
+#define RVC_BRANCH_BITS 8
+#define RVC_BRANCH_REACH ((1ULL << RVC_BRANCH_BITS) * RISCV_BRANCH_ALIGN)
+
+#define RV_X(x, s, n) (((x) >> (s)) & ((1 << (n)) - 1))
+#define RV_IMM_SIGN(x) (-(((x) >> 31) & 1))
+
+#define EXTRACT_ITYPE_IMM(x) \
+ (RV_X(x, 20, 12) | (RV_IMM_SIGN(x) << 12))
+#define EXTRACT_STYPE_IMM(x) \
+ (RV_X(x, 7, 5) | (RV_X(x, 25, 7) << 5) | (RV_IMM_SIGN(x) << 12))
+#define EXTRACT_SBTYPE_IMM(x) \
+ ((RV_X(x, 8, 4) << 1) | (RV_X(x, 25, 6) << 5) | (RV_X(x, 7, 1) << 11) | (RV_IMM_SIGN(x) << 12))
+#define EXTRACT_UTYPE_IMM(x) \
+ ((RV_X(x, 12, 20) << 12) | (RV_IMM_SIGN(x) << 32))
+#define EXTRACT_UJTYPE_IMM(x) \
+ ((RV_X(x, 21, 10) << 1) | (RV_X(x, 20, 1) << 11) | (RV_X(x, 12, 8) << 12) | (RV_IMM_SIGN(x) << 20))
+#define EXTRACT_RVC_IMM(x) \
+ (RV_X(x, 2, 5) | (-RV_X(x, 12, 1) << 5))
+#define EXTRACT_RVC_LUI_IMM(x) \
+ (EXTRACT_RVC_IMM (x) << RISCV_IMM_BITS)
+#define EXTRACT_RVC_SIMM3(x) \
+ (RV_X(x, 10, 2) | (-RV_X(x, 12, 1) << 2))
+#define EXTRACT_RVC_ADDI4SPN_IMM(x) \
+ ((RV_X(x, 6, 1) << 2) | (RV_X(x, 5, 1) << 3) | (RV_X(x, 11, 2) << 4) | (RV_X(x, 7, 4) << 6))
+#define EXTRACT_RVC_ADDI16SP_IMM(x) \
+ ((RV_X(x, 6, 1) << 4) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 5, 1) << 6) | (RV_X(x, 3, 2) << 7) | (-RV_X(x, 12, 1) << 9))
+#define EXTRACT_RVC_LW_IMM(x) \
+ ((RV_X(x, 6, 1) << 2) | (RV_X(x, 10, 3) << 3) | (RV_X(x, 5, 1) << 6))
+#define EXTRACT_RVC_LD_IMM(x) \
+ ((RV_X(x, 10, 3) << 3) | (RV_X(x, 5, 2) << 6))
+#define EXTRACT_RVC_LWSP_IMM(x) \
+ ((RV_X(x, 4, 3) << 2) | (RV_X(x, 12, 1) << 5) | (RV_X(x, 2, 2) << 6))
+#define EXTRACT_RVC_LDSP_IMM(x) \
+ ((RV_X(x, 5, 2) << 3) | (RV_X(x, 12, 1) << 5) | (RV_X(x, 2, 3) << 6))
+#define EXTRACT_RVC_SWSP_IMM(x) \
+ ((RV_X(x, 9, 4) << 2) | (RV_X(x, 7, 2) << 6))
+#define EXTRACT_RVC_SDSP_IMM(x) \
+ ((RV_X(x, 10, 3) << 3) | (RV_X(x, 7, 3) << 6))
+#define EXTRACT_RVC_B_IMM(x) \
+ ((RV_X(x, 3, 2) << 1) | (RV_X(x, 10, 2) << 3) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 5, 2) << 6) | (-RV_X(x, 12, 1) << 8))
+#define EXTRACT_RVC_J_IMM(x) \
+ ((RV_X(x, 3, 3) << 1) | (RV_X(x, 11, 1) << 4) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 7, 1) << 6) | (RV_X(x, 6, 1) << 7) | (RV_X(x, 9, 2) << 8) | (RV_X(x, 8, 1) << 10) | (-RV_X(x, 12, 1) << 11))
+
+#define ENCODE_ITYPE_IMM(x) \
+ (RV_X(x, 0, 12) << 20)
+#define ENCODE_STYPE_IMM(x) \
+ ((RV_X(x, 0, 5) << 7) | (RV_X(x, 5, 7) << 25))
+#define ENCODE_SBTYPE_IMM(x) \
+ ((RV_X(x, 1, 4) << 8) | (RV_X(x, 5, 6) << 25) | (RV_X(x, 11, 1) << 7) | (RV_X(x, 12, 1) << 31))
+#define ENCODE_UTYPE_IMM(x) \
+ (RV_X(x, 12, 20) << 12)
+#define ENCODE_UJTYPE_IMM(x) \
+ ((RV_X(x, 1, 10) << 21) | (RV_X(x, 11, 1) << 20) | (RV_X(x, 12, 8) << 12) | (RV_X(x, 20, 1) << 31))
+#define ENCODE_RVC_IMM(x) \
+ ((RV_X(x, 0, 5) << 2) | (RV_X(x, 5, 1) << 12))
+#define ENCODE_RVC_LUI_IMM(x) \
+ ENCODE_RVC_IMM ((x) >> RISCV_IMM_BITS)
+#define ENCODE_RVC_SIMM3(x) \
+ (RV_X(x, 0, 3) << 10)
+#define ENCODE_RVC_ADDI4SPN_IMM(x) \
+ ((RV_X(x, 2, 1) << 6) | (RV_X(x, 3, 1) << 5) | (RV_X(x, 4, 2) << 11) | (RV_X(x, 6, 4) << 7))
+#define ENCODE_RVC_ADDI16SP_IMM(x) \
+ ((RV_X(x, 4, 1) << 6) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 1) << 5) | (RV_X(x, 7, 2) << 3) | (RV_X(x, 9, 1) << 12))
+#define ENCODE_RVC_LW_IMM(x) \
+ ((RV_X(x, 2, 1) << 6) | (RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 1) << 5))
+#define ENCODE_RVC_LD_IMM(x) \
+ ((RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 2) << 5))
+#define ENCODE_RVC_LWSP_IMM(x) \
+ ((RV_X(x, 2, 3) << 4) | (RV_X(x, 5, 1) << 12) | (RV_X(x, 6, 2) << 2))
+#define ENCODE_RVC_LDSP_IMM(x) \
+ ((RV_X(x, 3, 2) << 5) | (RV_X(x, 5, 1) << 12) | (RV_X(x, 6, 3) << 2))
+#define ENCODE_RVC_SWSP_IMM(x) \
+ ((RV_X(x, 2, 4) << 9) | (RV_X(x, 6, 2) << 7))
+#define ENCODE_RVC_SDSP_IMM(x) \
+ ((RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 3) << 7))
+#define ENCODE_RVC_B_IMM(x) \
+ ((RV_X(x, 1, 2) << 3) | (RV_X(x, 3, 2) << 10) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 2) << 5) | (RV_X(x, 8, 1) << 12))
+#define ENCODE_RVC_J_IMM(x) \
+ ((RV_X(x, 1, 3) << 3) | (RV_X(x, 4, 1) << 11) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 1) << 7) | (RV_X(x, 7, 1) << 6) | (RV_X(x, 8, 2) << 9) | (RV_X(x, 10, 1) << 8) | (RV_X(x, 11, 1) << 12))
+
+#define VALID_ITYPE_IMM(x) (EXTRACT_ITYPE_IMM(ENCODE_ITYPE_IMM(x)) == (x))
+#define VALID_STYPE_IMM(x) (EXTRACT_STYPE_IMM(ENCODE_STYPE_IMM(x)) == (x))
+#define VALID_SBTYPE_IMM(x) (EXTRACT_SBTYPE_IMM(ENCODE_SBTYPE_IMM(x)) == (x))
+#define VALID_UTYPE_IMM(x) (EXTRACT_UTYPE_IMM(ENCODE_UTYPE_IMM(x)) == (x))
+#define VALID_UJTYPE_IMM(x) (EXTRACT_UJTYPE_IMM(ENCODE_UJTYPE_IMM(x)) == (x))
+#define VALID_RVC_IMM(x) (EXTRACT_RVC_IMM(ENCODE_RVC_IMM(x)) == (x))
+#define VALID_RVC_LUI_IMM(x) (EXTRACT_RVC_LUI_IMM(ENCODE_RVC_LUI_IMM(x)) == (x))
+#define VALID_RVC_SIMM3(x) (EXTRACT_RVC_SIMM3(ENCODE_RVC_SIMM3(x)) == (x))
+#define VALID_RVC_ADDI4SPN_IMM(x) (EXTRACT_RVC_ADDI4SPN_IMM(ENCODE_RVC_ADDI4SPN_IMM(x)) == (x))
+#define VALID_RVC_ADDI16SP_IMM(x) (EXTRACT_RVC_ADDI16SP_IMM(ENCODE_RVC_ADDI16SP_IMM(x)) == (x))
+#define VALID_RVC_LW_IMM(x) (EXTRACT_RVC_LW_IMM(ENCODE_RVC_LW_IMM(x)) == (x))
+#define VALID_RVC_LD_IMM(x) (EXTRACT_RVC_LD_IMM(ENCODE_RVC_LD_IMM(x)) == (x))
+#define VALID_RVC_LWSP_IMM(x) (EXTRACT_RVC_LWSP_IMM(ENCODE_RVC_LWSP_IMM(x)) == (x))
+#define VALID_RVC_LDSP_IMM(x) (EXTRACT_RVC_LDSP_IMM(ENCODE_RVC_LDSP_IMM(x)) == (x))
+#define VALID_RVC_SWSP_IMM(x) (EXTRACT_RVC_SWSP_IMM(ENCODE_RVC_SWSP_IMM(x)) == (x))
+#define VALID_RVC_SDSP_IMM(x) (EXTRACT_RVC_SDSP_IMM(ENCODE_RVC_SDSP_IMM(x)) == (x))
+#define VALID_RVC_B_IMM(x) (EXTRACT_RVC_B_IMM(ENCODE_RVC_B_IMM(x)) == (x))
+#define VALID_RVC_J_IMM(x) (EXTRACT_RVC_J_IMM(ENCODE_RVC_J_IMM(x)) == (x))
+
+#define RISCV_RTYPE(insn, rd, rs1, rs2) \
+ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2))
+#define RISCV_ITYPE(insn, rd, rs1, imm) \
+ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ENCODE_ITYPE_IMM(imm))
+#define RISCV_STYPE(insn, rs1, rs2, imm) \
+ ((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_STYPE_IMM(imm))
+#define RISCV_SBTYPE(insn, rs1, rs2, target) \
+ ((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_SBTYPE_IMM(target))
+#define RISCV_UTYPE(insn, rd, bigimm) \
+ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_UTYPE_IMM(bigimm))
+#define RISCV_UJTYPE(insn, rd, target) \
+ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_UJTYPE_IMM(target))
+
+#define RISCV_NOP RISCV_ITYPE(ADDI, 0, 0, 0)
+#define RVC_NOP MATCH_C_ADDI
+
+#define RISCV_CONST_HIGH_PART(VALUE) \
+ (((VALUE) + (RISCV_IMM_REACH/2)) & ~(RISCV_IMM_REACH-1))
+#define RISCV_CONST_LOW_PART(VALUE) ((VALUE) - RISCV_CONST_HIGH_PART (VALUE))
+#define RISCV_PCREL_HIGH_PART(VALUE, PC) RISCV_CONST_HIGH_PART((VALUE) - (PC))
+#define RISCV_PCREL_LOW_PART(VALUE, PC) RISCV_CONST_LOW_PART((VALUE) - (PC))
+
+#define RISCV_JUMP_BITS RISCV_BIGIMM_BITS
+#define RISCV_JUMP_ALIGN_BITS 1
+#define RISCV_JUMP_ALIGN (1 << RISCV_JUMP_ALIGN_BITS)
+#define RISCV_JUMP_REACH ((1ULL << RISCV_JUMP_BITS) * RISCV_JUMP_ALIGN)
+
+#define RISCV_IMM_BITS 12
+#define RISCV_BIGIMM_BITS (32 - RISCV_IMM_BITS)
+#define RISCV_IMM_REACH (1LL << RISCV_IMM_BITS)
+#define RISCV_BIGIMM_REACH (1LL << RISCV_BIGIMM_BITS)
+#define RISCV_RVC_IMM_REACH (1LL << 6)
+#define RISCV_BRANCH_BITS RISCV_IMM_BITS
+#define RISCV_BRANCH_ALIGN_BITS RISCV_JUMP_ALIGN_BITS
+#define RISCV_BRANCH_ALIGN (1 << RISCV_BRANCH_ALIGN_BITS)
+#define RISCV_BRANCH_REACH (RISCV_IMM_REACH * RISCV_BRANCH_ALIGN)
+
+/* RV fields. */
+
+#define OP_MASK_OP 0x7f
+#define OP_SH_OP 0
+#define OP_MASK_RS2 0x1f
+#define OP_SH_RS2 20
+#define OP_MASK_RS1 0x1f
+#define OP_SH_RS1 15
+#define OP_MASK_RS3 0x1f
+#define OP_SH_RS3 27
+#define OP_MASK_RD 0x1f
+#define OP_SH_RD 7
+#define OP_MASK_SHAMT 0x3f
+#define OP_SH_SHAMT 20
+#define OP_MASK_SHAMTW 0x1f
+#define OP_SH_SHAMTW 20
+#define OP_MASK_RM 0x7
+#define OP_SH_RM 12
+#define OP_MASK_PRED 0xf
+#define OP_SH_PRED 24
+#define OP_MASK_SUCC 0xf
+#define OP_SH_SUCC 20
+#define OP_MASK_AQ 0x1
+#define OP_SH_AQ 26
+#define OP_MASK_RL 0x1
+#define OP_SH_RL 25
+
+#define OP_MASK_CUSTOM_IMM 0x7f
+#define OP_SH_CUSTOM_IMM 25
+#define OP_MASK_CSR 0xfff
+#define OP_SH_CSR 20
+
+/* RVC fields. */
+
+#define OP_MASK_CRS2 0x1f
+#define OP_SH_CRS2 2
+#define OP_MASK_CRS1S 0x7
+#define OP_SH_CRS1S 7
+#define OP_MASK_CRS2S 0x7
+#define OP_SH_CRS2S 2
+
+/* ABI names for selected x-registers. */
+
+#define X_RA 1
+#define X_SP 2
+#define X_GP 3
+#define X_TP 4
+#define X_T0 5
+#define X_T1 6
+#define X_T2 7
+#define X_T3 28
+
+#define NGPR 32
+#define NFPR 32
+
+/* Replace bits MASK << SHIFT of STRUCT with the equivalent bits in
+ VALUE << SHIFT. VALUE is evaluated exactly once. */
+#define INSERT_BITS(STRUCT, VALUE, MASK, SHIFT) \
+ (STRUCT) = (((STRUCT) & ~((insn_t)(MASK) << (SHIFT))) \
+ | ((insn_t)((VALUE) & (MASK)) << (SHIFT)))
+
+/* Extract bits MASK << SHIFT from STRUCT and shift them right
+ SHIFT places. */
+#define EXTRACT_BITS(STRUCT, MASK, SHIFT) \
+ (((STRUCT) >> (SHIFT)) & (MASK))
+
+/* Extract the operand given by FIELD from integer INSN. */
+#define EXTRACT_OPERAND(FIELD, INSN) \
+ EXTRACT_BITS ((INSN), OP_MASK_##FIELD, OP_SH_##FIELD)
+
+/* This structure holds information for a particular instruction. */
+
+struct riscv_opcode
+{
+ /* The name of the instruction. */
+ const char *name;
+ /* The ISA subset name (I, M, A, F, D, Xextension). */
+ const char *subset;
+ /* A string describing the arguments for this instruction. */
+ const char *args;
+ /* The basic opcode for the instruction. When assembling, this
+ opcode is modified by the arguments to produce the actual opcode
+ that is used. If pinfo is INSN_MACRO, then this is 0. */
+ insn_t match;
+ /* If pinfo is not INSN_MACRO, then this is a bit mask for the
+ relevant portions of the opcode when disassembling. If the
+ actual opcode anded with the match field equals the opcode field,
+ then we have found the correct instruction. If pinfo is
+ INSN_MACRO, then this field is the macro identifier. */
+ insn_t mask;
+ /* A function to determine if a word corresponds to this instruction.
+ Usually, this computes ((word & mask) == match). */
+ int (*match_func) (const struct riscv_opcode *op, insn_t word);
+ /* For a macro, this is INSN_MACRO. Otherwise, it is a collection
+ of bits describing the instruction, notably any relevant hazard
+ information. */
+ unsigned long pinfo;
+};
+
+/* Instruction is a simple alias (e.g. "mv" for "addi"). */
+#define INSN_ALIAS 0x00000001
+/* Instruction is actually a macro. It should be ignored by the
+ disassembler, and requires special treatment by the assembler. */
+#define INSN_MACRO 0xffffffff
+
+/* This is a list of macro expanded instructions.
+
+ _I appended means immediate
+ _A appended means address
+ _AB appended means address with base register
+ _D appended means 64 bit floating point constant
+ _S appended means 32 bit floating point constant. */
+
+enum
+{
+ M_LA,
+ M_LLA,
+ M_LA_TLS_GD,
+ M_LA_TLS_IE,
+ M_LB,
+ M_LBU,
+ M_LH,
+ M_LHU,
+ M_LW,
+ M_LWU,
+ M_LD,
+ M_SB,
+ M_SH,
+ M_SW,
+ M_SD,
+ M_FLW,
+ M_FLD,
+ M_FSW,
+ M_FSD,
+ M_CALL,
+ M_J,
+ M_LI,
+ M_NUM_MACROS
+};
+
+
+extern const char * const riscv_gpr_names_numeric[NGPR];
+extern const char * const riscv_gpr_names_abi[NGPR];
+extern const char * const riscv_fpr_names_numeric[NFPR];
+extern const char * const riscv_fpr_names_abi[NFPR];
+
+extern const struct riscv_opcode riscv_opcodes[];
+
+#endif /* _RISCV_H_ */
+2016-11-01 Palmer Dabbelt <palmer@dabbelt.com>
+ Andrew Waterman <andrew@sifive.com>
+
+ Add support for RISC-V architecture.
+ * Makefile.am: Add riscv files.
+ * Makefile.in: Regenerate.
+ * NEWS: Mention the support for this target.
+ * configure.tgt: Add riscv entries.
+ * emulparams/elf32lriscv-defs.sh: New file.
+ * emulparams/elf32lriscv.sh: New file.
+ * emulparams/elf64lriscv-defs.sh: New file.
+ * emulparams/elf64lriscv.sh: New file.
+ * emultempl/riscvelf.em: New file.
+
2016-10-31 Thomas Preud'homme <thomas.preudhomme@arm.com>
* ldmain.c (add_archive_element): Initialize input->header.type.
eelf32ppcsim.c \
eelf32ppcvxworks.c \
eelf32ppcwindiss.c \
+ eelf32lriscv.c \
eelf32rl78.c \
eelf32rx.c \
eelf32tilegx.c \
eelf64btsmip_fbsd.c \
eelf64hppa.c \
eelf64lppc.c \
+ eelf64lriscv.c \
eelf64ltsmip.c \
eelf64ltsmip_fbsd.c \
eelf64mmix.c \
$(srcdir)/emultempl/ppc32elf.em ldemul-list.h \
$(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+eelf32lriscv.c: $(srcdir)/emulparams/elf32lriscv.sh \
+ $(srcdir)/emulparams/elf32lriscv-defs.sh $(ELF_DEPS) \
+ $(srcdir)/emultempl/riscvelf.em $(srcdir)/scripttempl/elf.sc \
+ ${GEN_DEPENDS}
+
eelf32lsmip.c: $(srcdir)/emulparams/elf32lsmip.sh \
$(srcdir)/emulparams/elf32lmip.sh $(srcdir)/emulparams/elf32bmip.sh \
$(ELF_DEPS) $(srcdir)/emultempl/mipself.em $(srcdir)/scripttempl/elf.sc \
ldemul-list.h \
$(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+eelf64lriscv.c: $(srcdir)/emulparams/elf64lriscv.sh \
+ $(srcdir)/emulparams/elf64lriscv-defs.sh \
+ $(srcdir)/emulparams/elf32lriscv-defs.sh $(ELF_DEPS) \
+ $(srcdir)/emultempl/riscvelf.em $(srcdir)/scripttempl/elf.sc \
+ ${GEN_DEPENDS}
+
eelf64ltsmip.c: $(srcdir)/emulparams/elf64ltsmip.sh \
$(srcdir)/emulparams/elf64btsmip.sh $(srcdir)/emulparams/elf64bmip-defs.sh \
$(srcdir)/emulparams/elf32bmipn32-defs.sh $(ELF_DEPS) \
eelf32ppcsim.c \
eelf32ppcvxworks.c \
eelf32ppcwindiss.c \
+ eelf32lriscv.c \
eelf32rl78.c \
eelf32rx.c \
eelf32tilegx.c \
eelf64btsmip_fbsd.c \
eelf64hppa.c \
eelf64lppc.c \
+ eelf64lriscv.c \
eelf64ltsmip.c \
eelf64ltsmip_fbsd.c \
eelf64mmix.c \
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lppcsim.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lr5900.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lr5900n32.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lriscv.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lsmip.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32ltsmip.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32ltsmip_fbsd.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64btsmip_fbsd.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64hppa.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64lppc.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64lriscv.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64ltsmip.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64ltsmip_fbsd.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64mmix.Po@am__quote@
$(srcdir)/emultempl/ppc32elf.em ldemul-list.h \
$(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+eelf32lriscv.c: $(srcdir)/emulparams/elf32lriscv.sh \
+ $(srcdir)/emulparams/elf32lriscv-defs.sh $(ELF_DEPS) \
+ $(srcdir)/emultempl/riscvelf.em $(srcdir)/scripttempl/elf.sc \
+ ${GEN_DEPENDS}
+
eelf32lsmip.c: $(srcdir)/emulparams/elf32lsmip.sh \
$(srcdir)/emulparams/elf32lmip.sh $(srcdir)/emulparams/elf32bmip.sh \
$(ELF_DEPS) $(srcdir)/emultempl/mipself.em $(srcdir)/scripttempl/elf.sc \
ldemul-list.h \
$(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+eelf64lriscv.c: $(srcdir)/emulparams/elf64lriscv.sh \
+ $(srcdir)/emulparams/elf64lriscv-defs.sh \
+ $(srcdir)/emulparams/elf32lriscv-defs.sh $(ELF_DEPS) \
+ $(srcdir)/emultempl/riscvelf.em $(srcdir)/scripttempl/elf.sc \
+ ${GEN_DEPENDS}
+
eelf64ltsmip.c: $(srcdir)/emulparams/elf64ltsmip.sh \
$(srcdir)/emulparams/elf64btsmip.sh $(srcdir)/emulparams/elf64bmip-defs.sh \
$(srcdir)/emulparams/elf32bmipn32-defs.sh $(ELF_DEPS) \
-*- text -*-
-Changes in 2.28:
+* Add support for the RISC-V architecture.
* The command line option --no-eh-frame-hdr can now be used in ELF based
linkers to disable the automatic generation of .eh_frame_hdr sections.
powerpc-*-beos*) targ_emul=aixppc ;;
powerpc-*-windiss*) targ_emul=elf32ppcwindiss ;;
powerpc-*-lynxos*) targ_emul=ppclynx ;;
+riscv32*-*-*) targ_emul=elf32lriscv
+ targ_extra_emuls="elf64lriscv"
+ targ_extra_libpath=$targ_extra_emuls ;;
+riscv64*-*-*) targ_emul=elf64lriscv
+ targ_extra_emuls="elf32lriscv"
+ targ_extra_libpath=$targ_extra_emuls ;;
rs6000-*-aix[5-9]*) targ_emul=aix5rs6 ;;
rs6000-*-aix*) targ_emul=aixrs6
;;
--- /dev/null
+# This is an ELF platform.
+SCRIPT_NAME=elf
+ARCH=riscv
+NO_REL_RELOCS=yes
+
+TEMPLATE_NAME=elf32
+EXTRA_EM_FILE=riscvelf
+
+ELFSIZE=32
+
+if test `echo "$host" | sed -e s/64//` = `echo "$target" | sed -e s/64//`; then
+ case " $EMULATION_LIBPATH " in
+ *" ${EMULATION_NAME} "*)
+ NATIVE=yes
+ ;;
+ esac
+fi
+
+GENERATE_SHLIB_SCRIPT=yes
+GENERATE_PIE_SCRIPT=yes
+
+TEXT_START_ADDR=0x10000
+MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
+
+SDATA_START_SYMBOLS="_gp = . + 0x800;
+ *(.srodata.cst16) *(.srodata.cst8) *(.srodata.cst4) *(.srodata.cst2) *(.srodata .srodata.*)"
+
+# Place the data section before text section. This enables more compact
+# global variable access for RVC code via linker relaxation.
+INITIAL_READONLY_SECTIONS="
+ .data : { *(.data) *(.data.*) *(.gnu.linkonce.d.*) }
+ .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) }
+ .srodata : { ${SDATA_START_SYMBOLS} }
+ .sdata : { *(.sdata .sdata.* .gnu.linkonce.s.*) }
+ .sbss : { *(.dynsbss) *(.sbss .sbss.* .gnu.linkonce.sb.*) }
+ .bss : { *(.dynbss) *(.bss .bss.* .gnu.linkonce.b.*) *(COMMON) }
+ . = ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1));"
+INITIAL_READONLY_SECTIONS=".interp : { *(.interp) } ${CREATE_PIE-${INITIAL_READONLY_SECTIONS}}"
+INITIAL_READONLY_SECTIONS="${RELOCATING+${CREATE_SHLIB-${INITIAL_READONLY_SECTIONS}}}"
+
+SDATA_START_SYMBOLS="${CREATE_PIE+${SDATA_START_SYMBOLS}}"
--- /dev/null
+. ${srcdir}/emulparams/elf32lriscv-defs.sh
+OUTPUT_FORMAT="elf32-littleriscv"
--- /dev/null
+. ${srcdir}/emulparams/elf32lriscv-defs.sh
+ELFSIZE=64
+
+# Look for 64 bit target libraries in /lib64, /usr/lib64 etc., first
+# on Linux.
+case "$target" in
+ riscv64*-linux*)
+ case "$EMULATION_NAME" in
+ *64*)
+ LIBPATH_SUFFIX=64 ;;
+ esac
+ ;;
+esac
--- /dev/null
+. ${srcdir}/emulparams/elf64lriscv-defs.sh
+OUTPUT_FORMAT="elf64-littleriscv"
--- /dev/null
+# This shell script emits a C file. -*- C -*-
+# Copyright 2004, 2006, 2007, 2008, 2016 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+fragment <<EOF
+
+#include "ldmain.h"
+#include "ldctor.h"
+#include "elf/riscv.h"
+#include "elfxx-riscv.h"
+
+static void
+riscv_elf_before_allocation (void)
+{
+ gld${EMULATION_NAME}_before_allocation ();
+
+ if (link_info.discard == discard_sec_merge)
+ link_info.discard = discard_l;
+
+ /* We always need at least some relaxation to handle code alignment. */
+ if (RELAXATION_DISABLED_BY_USER)
+ TARGET_ENABLE_RELAXATION;
+ else
+ ENABLE_RELAXATION;
+
+ link_info.relax_pass = 2;
+}
+
+static void
+gld${EMULATION_NAME}_after_allocation (void)
+{
+ int need_layout = 0;
+
+ /* Don't attempt to discard unused .eh_frame sections until the final link,
+ as we can't reliably tell if they're used until after relaxation. */
+ if (!bfd_link_relocatable (&link_info))
+ {
+ need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info);
+ if (need_layout < 0)
+ {
+ einfo ("%X%P: .eh_frame/.stab edit: %E\n");
+ return;
+ }
+ }
+
+ gld${EMULATION_NAME}_map_segments (need_layout);
+}
+
+EOF
+
+LDEMUL_BEFORE_ALLOCATION=riscv_elf_before_allocation
+LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
+2016-11-01 Palmer Dabbelt <palmer@dabbelt.com>
+ Andrew Waterman <andrew@sifive.com>
+
+ Add support for RISC-V architecture.
+ * configure.ac: Add entry for bfd_riscv_arch.
+ * configure: Regenerate.
+ * disassemble.c (disassembler): Add support for riscv.
+ (disassembler_usage): Likewise.
+ * riscv-dis.c: New file.
+ * riscv-opc.c: New file.
+
2016-10-21 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (PREFIX_RM_0_0FAE_REG_7): Removed.
bfd_powerpc_64_arch) ta="$ta ppc-dis.lo ppc-opc.lo" ;;
bfd_pyramid_arch) ;;
bfd_romp_arch) ;;
+ bfd_riscv_arch) ta="$ta riscv-dis.lo riscv-opc.lo" ;;
bfd_rs6000_arch) ta="$ta ppc-dis.lo ppc-opc.lo" ;;
bfd_rl78_arch) ta="$ta rl78-dis.lo rl78-decode.lo";;
bfd_rx_arch) ta="$ta rx-dis.lo rx-decode.lo";;
bfd_powerpc_64_arch) ta="$ta ppc-dis.lo ppc-opc.lo" ;;
bfd_pyramid_arch) ;;
bfd_romp_arch) ;;
+ bfd_riscv_arch) ta="$ta riscv-dis.lo riscv-opc.lo" ;;
bfd_rs6000_arch) ta="$ta ppc-dis.lo ppc-opc.lo" ;;
bfd_rl78_arch) ta="$ta rl78-dis.lo rl78-decode.lo";;
bfd_rx_arch) ta="$ta rx-dis.lo rx-decode.lo";;
disassemble = print_insn_little_powerpc;
break;
#endif
+#ifdef ARCH_riscv
+ case bfd_arch_riscv:
+ disassemble = print_insn_riscv;
+ break;
+#endif
#ifdef ARCH_rs6000
case bfd_arch_rs6000:
if (bfd_get_mach (abfd) == bfd_mach_ppc_620)
#ifdef ARCH_powerpc
print_ppc_disassembler_options (stream);
#endif
+#ifdef ARCH_riscv
+ print_riscv_disassembler_options (stream);
+#endif
#ifdef ARCH_i386
print_i386_disassembler_options (stream);
#endif
--- /dev/null
+/* RISC-V disassembler
+ Copyright 2011-2016 Free Software Foundation, Inc.
+
+ Contributed by Andrew Waterman (andrew@sifive.com).
+ Based on MIPS target.
+
+ This file is part of the GNU opcodes library.
+
+ This library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ It is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+#include "sysdep.h"
+#include "dis-asm.h"
+#include "libiberty.h"
+#include "opcode/riscv.h"
+#include "opintl.h"
+#include "elf-bfd.h"
+#include "elf/riscv.h"
+
+#include <stdint.h>
+#include <ctype.h>
+
+struct riscv_private_data
+{
+ bfd_vma gp;
+ bfd_vma print_addr;
+ bfd_vma hi_addr[OP_MASK_RD + 1];
+};
+
+static const char * const *riscv_gpr_names;
+static const char * const *riscv_fpr_names;
+
+/* Other options. */
+static int no_aliases; /* If set disassemble as most general inst. */
+
+static void
+set_default_riscv_dis_options (void)
+{
+ riscv_gpr_names = riscv_gpr_names_abi;
+ riscv_fpr_names = riscv_fpr_names_abi;
+ no_aliases = 0;
+}
+
+static void
+parse_riscv_dis_option (const char *option)
+{
+ if (strcmp (option, "no-aliases") == 0)
+ no_aliases = 1;
+ else if (strcmp (option, "numeric") == 0)
+ {
+ riscv_gpr_names = riscv_gpr_names_numeric;
+ riscv_fpr_names = riscv_fpr_names_numeric;
+ }
+ else
+ {
+ /* Invalid option. */
+ fprintf (stderr, _("Unrecognized disassembler option: %s\n"), option);
+ }
+}
+
+static void
+parse_riscv_dis_options (const char *opts_in)
+{
+ char *opts = xstrdup (opts_in), *opt = opts, *opt_end = opts;
+
+ set_default_riscv_dis_options ();
+
+ for ( ; opt_end != NULL; opt = opt_end + 1)
+ {
+ if ((opt_end = strchr (opt, ',')) != NULL)
+ *opt_end = 0;
+ parse_riscv_dis_option (opt);
+ }
+
+ free (opts);
+}
+
+/* Print one argument from an array. */
+
+static void
+arg_print (struct disassemble_info *info, unsigned long val,
+ const char* const* array, size_t size)
+{
+ const char *s = val >= size || array[val] == NULL ? "unknown" : array[val];
+ (*info->fprintf_func) (info->stream, "%s", s);
+}
+
+static void
+maybe_print_address (struct riscv_private_data *pd, int base_reg, int offset)
+{
+ if (pd->hi_addr[base_reg] != (bfd_vma)-1)
+ {
+ pd->print_addr = pd->hi_addr[base_reg] + offset;
+ pd->hi_addr[base_reg] = -1;
+ }
+ else if (base_reg == X_GP && pd->gp != (bfd_vma)-1)
+ pd->print_addr = pd->gp + offset;
+ else if (base_reg == X_TP || base_reg == 0)
+ pd->print_addr = offset;
+}
+
+/* Print insn arguments for 32/64-bit code. */
+
+static void
+print_insn_args (const char *d, insn_t l, bfd_vma pc, disassemble_info *info)
+{
+ struct riscv_private_data *pd = info->private_data;
+ int rs1 = (l >> OP_SH_RS1) & OP_MASK_RS1;
+ int rd = (l >> OP_SH_RD) & OP_MASK_RD;
+ fprintf_ftype print = info->fprintf_func;
+
+ if (*d != '\0')
+ print (info->stream, "\t");
+
+ for (; *d != '\0'; d++)
+ {
+ switch (*d)
+ {
+ case 'C': /* RVC */
+ switch (*++d)
+ {
+ case 's': /* RS1 x8-x15 */
+ case 'w': /* RS1 x8-x15 */
+ print (info->stream, "%s",
+ riscv_gpr_names[EXTRACT_OPERAND (CRS1S, l) + 8]);
+ break;
+ case 't': /* RS2 x8-x15 */
+ case 'x': /* RS2 x8-x15 */
+ print (info->stream, "%s",
+ riscv_gpr_names[EXTRACT_OPERAND (CRS2S, l) + 8]);
+ break;
+ case 'U': /* RS1, constrained to equal RD */
+ print (info->stream, "%s", riscv_gpr_names[rd]);
+ break;
+ case 'c': /* RS1, constrained to equal sp */
+ print (info->stream, "%s", riscv_gpr_names[X_SP]);
+ break;
+ case 'V': /* RS2 */
+ print (info->stream, "%s",
+ riscv_gpr_names[EXTRACT_OPERAND (CRS2, l)]);
+ break;
+ case 'i':
+ print (info->stream, "%d", (int)EXTRACT_RVC_SIMM3 (l));
+ break;
+ case 'j':
+ print (info->stream, "%d", (int)EXTRACT_RVC_IMM (l));
+ break;
+ case 'k':
+ print (info->stream, "%d", (int)EXTRACT_RVC_LW_IMM (l));
+ break;
+ case 'l':
+ print (info->stream, "%d", (int)EXTRACT_RVC_LD_IMM (l));
+ break;
+ case 'm':
+ print (info->stream, "%d", (int)EXTRACT_RVC_LWSP_IMM (l));
+ break;
+ case 'n':
+ print (info->stream, "%d", (int)EXTRACT_RVC_LDSP_IMM (l));
+ break;
+ case 'K':
+ print (info->stream, "%d", (int)EXTRACT_RVC_ADDI4SPN_IMM (l));
+ break;
+ case 'L':
+ print (info->stream, "%d", (int)EXTRACT_RVC_ADDI16SP_IMM (l));
+ break;
+ case 'M':
+ print (info->stream, "%d", (int)EXTRACT_RVC_SWSP_IMM (l));
+ break;
+ case 'N':
+ print (info->stream, "%d", (int)EXTRACT_RVC_SDSP_IMM (l));
+ break;
+ case 'p':
+ info->target = EXTRACT_RVC_B_IMM (l) + pc;
+ (*info->print_address_func) (info->target, info);
+ break;
+ case 'a':
+ info->target = EXTRACT_RVC_J_IMM (l) + pc;
+ (*info->print_address_func) (info->target, info);
+ break;
+ case 'u':
+ print (info->stream, "0x%x",
+ (int)(EXTRACT_RVC_IMM (l) & (RISCV_BIGIMM_REACH-1)));
+ break;
+ case '>':
+ print (info->stream, "0x%x", (int)EXTRACT_RVC_IMM (l) & 0x3f);
+ break;
+ case '<':
+ print (info->stream, "0x%x", (int)EXTRACT_RVC_IMM (l) & 0x1f);
+ break;
+ case 'T': /* floating-point RS2 */
+ print (info->stream, "%s",
+ riscv_fpr_names[EXTRACT_OPERAND (CRS2, l)]);
+ break;
+ case 'D': /* floating-point RS2 x8-x15 */
+ print (info->stream, "%s",
+ riscv_fpr_names[EXTRACT_OPERAND (CRS2S, l) + 8]);
+ break;
+ }
+ break;
+
+ case ',':
+ case '(':
+ case ')':
+ case '[':
+ case ']':
+ print (info->stream, "%c", *d);
+ break;
+
+ case '0':
+ /* Only print constant 0 if it is the last argument */
+ if (!d[1])
+ print (info->stream, "0");
+ break;
+
+ case 'b':
+ case 's':
+ print (info->stream, "%s", riscv_gpr_names[rs1]);
+ break;
+
+ case 't':
+ print (info->stream, "%s",
+ riscv_gpr_names[EXTRACT_OPERAND (RS2, l)]);
+ break;
+
+ case 'u':
+ print (info->stream, "0x%x",
+ (unsigned)EXTRACT_UTYPE_IMM (l) >> RISCV_IMM_BITS);
+ break;
+
+ case 'm':
+ arg_print (info, EXTRACT_OPERAND (RM, l),
+ riscv_rm, ARRAY_SIZE (riscv_rm));
+ break;
+
+ case 'P':
+ arg_print (info, EXTRACT_OPERAND (PRED, l),
+ riscv_pred_succ, ARRAY_SIZE (riscv_pred_succ));
+ break;
+
+ case 'Q':
+ arg_print (info, EXTRACT_OPERAND (SUCC, l),
+ riscv_pred_succ, ARRAY_SIZE (riscv_pred_succ));
+ break;
+
+ case 'o':
+ maybe_print_address (pd, rs1, EXTRACT_ITYPE_IMM (l));
+ case 'j':
+ if (((l & MASK_ADDI) == MATCH_ADDI && rs1 != 0)
+ || (l & MASK_JALR) == MATCH_JALR)
+ maybe_print_address (pd, rs1, EXTRACT_ITYPE_IMM (l));
+ print (info->stream, "%d", (int)EXTRACT_ITYPE_IMM (l));
+ break;
+
+ case 'q':
+ maybe_print_address (pd, rs1, EXTRACT_STYPE_IMM (l));
+ print (info->stream, "%d", (int)EXTRACT_STYPE_IMM (l));
+ break;
+
+ case 'a':
+ info->target = EXTRACT_UJTYPE_IMM (l) + pc;
+ (*info->print_address_func) (info->target, info);
+ break;
+
+ case 'p':
+ info->target = EXTRACT_SBTYPE_IMM (l) + pc;
+ (*info->print_address_func) (info->target, info);
+ break;
+
+ case 'd':
+ if ((l & MASK_AUIPC) == MATCH_AUIPC)
+ pd->hi_addr[rd] = pc + EXTRACT_UTYPE_IMM (l);
+ else if ((l & MASK_LUI) == MATCH_LUI)
+ pd->hi_addr[rd] = EXTRACT_UTYPE_IMM (l);
+ else if ((l & MASK_C_LUI) == MATCH_C_LUI)
+ pd->hi_addr[rd] = EXTRACT_RVC_LUI_IMM (l);
+ print (info->stream, "%s", riscv_gpr_names[rd]);
+ break;
+
+ case 'z':
+ print (info->stream, "%s", riscv_gpr_names[0]);
+ break;
+
+ case '>':
+ print (info->stream, "0x%x", (int)EXTRACT_OPERAND (SHAMT, l));
+ break;
+
+ case '<':
+ print (info->stream, "0x%x", (int)EXTRACT_OPERAND (SHAMTW, l));
+ break;
+
+ case 'S':
+ case 'U':
+ print (info->stream, "%s", riscv_fpr_names[rs1]);
+ break;
+
+ case 'T':
+ print (info->stream, "%s", riscv_fpr_names[EXTRACT_OPERAND (RS2, l)]);
+ break;
+
+ case 'D':
+ print (info->stream, "%s", riscv_fpr_names[rd]);
+ break;
+
+ case 'R':
+ print (info->stream, "%s", riscv_fpr_names[EXTRACT_OPERAND (RS3, l)]);
+ break;
+
+ case 'E':
+ {
+ const char* csr_name = NULL;
+ unsigned int csr = EXTRACT_OPERAND (CSR, l);
+ switch (csr)
+ {
+#define DECLARE_CSR(name, num) case num: csr_name = #name; break;
+#include "opcode/riscv-opc.h"
+#undef DECLARE_CSR
+ }
+ if (csr_name)
+ print (info->stream, "%s", csr_name);
+ else
+ print (info->stream, "0x%x", csr);
+ break;
+ }
+
+ case 'Z':
+ print (info->stream, "%d", rs1);
+ break;
+
+ default:
+ /* xgettext:c-format */
+ print (info->stream, _("# internal error, undefined modifier (%c)"),
+ *d);
+ return;
+ }
+ }
+}
+
+/* Print the RISC-V instruction at address MEMADDR in debugged memory,
+ on using INFO. Returns length of the instruction, in bytes.
+ BIGENDIAN must be 1 if this is big-endian code, 0 if
+ this is little-endian code. */
+
+static int
+riscv_disassemble_insn (bfd_vma memaddr, insn_t word, disassemble_info *info)
+{
+ const struct riscv_opcode *op;
+ static bfd_boolean init = 0;
+ static const struct riscv_opcode *riscv_hash[OP_MASK_OP + 1];
+ struct riscv_private_data *pd;
+ int insnlen;
+
+#define OP_HASH_IDX(i) ((i) & (riscv_insn_length (i) == 2 ? 0x3 : OP_MASK_OP))
+
+ /* Build a hash table to shorten the search time. */
+ if (! init)
+ {
+ for (op = riscv_opcodes; op->name; op++)
+ if (!riscv_hash[OP_HASH_IDX (op->match)])
+ riscv_hash[OP_HASH_IDX (op->match)] = op;
+
+ init = 1;
+ }
+
+ if (info->private_data == NULL)
+ {
+ int i;
+
+ pd = info->private_data = xcalloc (1, sizeof (struct riscv_private_data));
+ pd->gp = -1;
+ pd->print_addr = -1;
+ for (i = 0; i < (int)ARRAY_SIZE (pd->hi_addr); i++)
+ pd->hi_addr[i] = -1;
+
+ for (i = 0; i < info->symtab_size; i++)
+ if (strcmp (bfd_asymbol_name (info->symtab[i]), "_gp") == 0)
+ pd->gp = bfd_asymbol_value (info->symtab[i]);
+ }
+ else
+ pd = info->private_data;
+
+ insnlen = riscv_insn_length (word);
+
+ info->bytes_per_chunk = insnlen % 4 == 0 ? 4 : 2;
+ info->bytes_per_line = 8;
+ info->display_endian = info->endian;
+ info->insn_info_valid = 1;
+ info->branch_delay_insns = 0;
+ info->data_size = 0;
+ info->insn_type = dis_nonbranch;
+ info->target = 0;
+ info->target2 = 0;
+
+ op = riscv_hash[OP_HASH_IDX (word)];
+ if (op != NULL)
+ {
+ int xlen = 0;
+
+ /* The incoming section might not always be complete. */
+ if (info->section != NULL)
+ {
+ Elf_Internal_Ehdr *ehdr = elf_elfheader (info->section->owner);
+ xlen = ehdr->e_ident[EI_CLASS] == ELFCLASS64 ? 64 : 32;
+ }
+
+ for (; op->name; op++)
+ {
+ /* Does the opcode match? */
+ if (! (op->match_func) (op, word))
+ continue;
+ /* Is this a pseudo-instruction and may we print it as such? */
+ if (no_aliases && (op->pinfo & INSN_ALIAS))
+ continue;
+ /* Is this instruction restricted to a certain value of XLEN? */
+ if (isdigit (op->subset[0]) && atoi (op->subset) != xlen)
+ continue;
+
+ /* It's a match. */
+ (*info->fprintf_func) (info->stream, "%s", op->name);
+ print_insn_args (op->args, word, memaddr, info);
+
+ /* Try to disassemble multi-instruction addressing sequences. */
+ if (pd->print_addr != (bfd_vma)-1)
+ {
+ info->target = pd->print_addr;
+ (*info->fprintf_func) (info->stream, " # ");
+ (*info->print_address_func) (info->target, info);
+ pd->print_addr = -1;
+ }
+
+ return insnlen;
+ }
+ }
+
+ /* We did not find a match, so just print the instruction bits. */
+ info->insn_type = dis_noninsn;
+ (*info->fprintf_func) (info->stream, "0x%llx", (unsigned long long)word);
+ return insnlen;
+}
+
+int
+print_insn_riscv (bfd_vma memaddr, struct disassemble_info *info)
+{
+ bfd_byte packet[2];
+ insn_t insn = 0;
+ bfd_vma n;
+ int status;
+
+ if (info->disassembler_options != NULL)
+ {
+ parse_riscv_dis_options (info->disassembler_options);
+ /* Avoid repeatedly parsing the options. */
+ info->disassembler_options = NULL;
+ }
+ else if (riscv_gpr_names == NULL)
+ set_default_riscv_dis_options ();
+
+ /* Instructions are a sequence of 2-byte packets in little-endian order. */
+ for (n = 0; n < sizeof (insn) && n < riscv_insn_length (insn); n += 2)
+ {
+ status = (*info->read_memory_func) (memaddr + n, packet, 2, info);
+ if (status != 0)
+ {
+ /* Don't fail just because we fell off the end. */
+ if (n > 0)
+ break;
+ (*info->memory_error_func) (status, memaddr, info);
+ return status;
+ }
+
+ insn |= ((insn_t) bfd_getl16 (packet)) << (8 * n);
+ }
+
+ return riscv_disassemble_insn (memaddr, insn, info);
+}
+
+void
+print_riscv_disassembler_options (FILE *stream)
+{
+ fprintf (stream, _("\n\
+The following RISC-V-specific disassembler options are supported for use\n\
+with the -M switch (multiple options should be separated by commas):\n"));
+
+ fprintf (stream, _("\n\
+ numeric Print numeric reigster names, rather than ABI names.\n"));
+
+ fprintf (stream, _("\n\
+ no-aliases Disassemble only into canonical instructions, rather\n\
+ than into pseudoinstructions.\n"));
+
+ fprintf (stream, _("\n"));
+}
--- /dev/null
+/* RISC-V opcode list
+ Copyright 2011-2016 Free Software Foundation, Inc.
+
+ Contributed by Andrew Waterman (andrew@sifive.com).
+ Based on MIPS target.
+
+ This file is part of the GNU opcodes library.
+
+ This library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ It is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+#include "sysdep.h"
+#include "opcode/riscv.h"
+#include <stdio.h>
+
+/* Register names used by gas and objdump. */
+
+const char * const riscv_gpr_names_numeric[NGPR] =
+{
+ "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
+ "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
+ "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
+ "x24", "x25", "x26", "x27", "x28", "x29", "x30", "x31"
+};
+
+const char * const riscv_gpr_names_abi[NGPR] =
+{
+ "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2",
+ "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5",
+ "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7",
+ "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6"
+};
+
+const char * const riscv_fpr_names_numeric[NFPR] =
+{
+ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
+ "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
+ "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
+ "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31"
+};
+
+const char * const riscv_fpr_names_abi[NFPR] =
+{
+ "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7",
+ "fs0", "fs1", "fa0", "fa1", "fa2", "fa3", "fa4", "fa5",
+ "fa6", "fa7", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7",
+ "fs8", "fs9", "fs10", "fs11", "ft8", "ft9", "ft10", "ft11"
+};
+
+/* The order of overloaded instructions matters. Label arguments and
+ register arguments look the same. Instructions that can have either
+ for arguments must apear in the correct order in this table for the
+ assembler to pick the right one. In other words, entries with
+ immediate operands must apear after the same instruction with
+ registers.
+
+ Because of the lookup algorithm used, entries with the same opcode
+ name must be contiguous. */
+
+#define MASK_RS1 (OP_MASK_RS1 << OP_SH_RS1)
+#define MASK_RS2 (OP_MASK_RS2 << OP_SH_RS2)
+#define MASK_RD (OP_MASK_RD << OP_SH_RD)
+#define MASK_CRS2 (OP_MASK_CRS2 << OP_SH_CRS2)
+#define MASK_IMM ENCODE_ITYPE_IMM(-1U)
+#define MASK_RVC_IMM ENCODE_RVC_IMM(-1U)
+#define MASK_UIMM ENCODE_UTYPE_IMM(-1U)
+#define MASK_RM (OP_MASK_RM << OP_SH_RM)
+#define MASK_PRED (OP_MASK_PRED << OP_SH_PRED)
+#define MASK_SUCC (OP_MASK_SUCC << OP_SH_SUCC)
+#define MASK_AQ (OP_MASK_AQ << OP_SH_AQ)
+#define MASK_RL (OP_MASK_RL << OP_SH_RL)
+#define MASK_AQRL (MASK_AQ | MASK_RL)
+
+static int
+match_opcode (const struct riscv_opcode *op, insn_t insn)
+{
+ return ((insn ^ op->match) & op->mask) == 0;
+}
+
+static int
+match_never (const struct riscv_opcode *op ATTRIBUTE_UNUSED,
+ insn_t insn ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int
+match_rs1_eq_rs2 (const struct riscv_opcode *op, insn_t insn)
+{
+ int rs1 = (insn & MASK_RS1) >> OP_SH_RS1;
+ int rs2 = (insn & MASK_RS2) >> OP_SH_RS2;
+ return match_opcode (op, insn) && rs1 == rs2;
+}
+
+static int
+match_rd_nonzero (const struct riscv_opcode *op, insn_t insn)
+{
+ return match_opcode (op, insn) && ((insn & MASK_RD) != 0);
+}
+
+static int
+match_c_add (const struct riscv_opcode *op, insn_t insn)
+{
+ return match_rd_nonzero (op, insn) && ((insn & MASK_CRS2) != 0);
+}
+
+static int
+match_c_lui (const struct riscv_opcode *op, insn_t insn)
+{
+ return match_rd_nonzero (op, insn) && (((insn & MASK_RD) >> OP_SH_RD) != 2);
+}
+
+const struct riscv_opcode riscv_opcodes[] =
+{
+/* name, isa, operands, match, mask, match_func, pinfo. */
+{"unimp", "C", "", 0, 0xffffU, match_opcode, 0 },
+{"unimp", "I", "", MATCH_CSRRW | (CSR_CYCLE << OP_SH_CSR), 0xffffffffU, match_opcode, 0 }, /* csrw cycle, x0 */
+{"ebreak", "C", "", MATCH_C_EBREAK, MASK_C_EBREAK, match_opcode, INSN_ALIAS },
+{"ebreak", "I", "", MATCH_EBREAK, MASK_EBREAK, match_opcode, 0 },
+{"sbreak", "C", "", MATCH_C_EBREAK, MASK_C_EBREAK, match_opcode, INSN_ALIAS },
+{"sbreak", "I", "", MATCH_EBREAK, MASK_EBREAK, match_opcode, INSN_ALIAS },
+{"ret", "C", "", MATCH_C_JR | (X_RA << OP_SH_RD), MASK_C_JR | MASK_RD, match_opcode, INSN_ALIAS },
+{"ret", "I", "", MATCH_JALR | (X_RA << OP_SH_RS1), MASK_JALR | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, INSN_ALIAS },
+{"jr", "C", "d", MATCH_C_JR, MASK_C_JR, match_rd_nonzero, INSN_ALIAS },
+{"jr", "I", "s", MATCH_JALR, MASK_JALR | MASK_RD | MASK_IMM, match_opcode, INSN_ALIAS },
+{"jr", "I", "s,j", MATCH_JALR, MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS },
+{"jalr", "C", "d", MATCH_C_JALR, MASK_C_JALR, match_rd_nonzero, INSN_ALIAS },
+{"jalr", "I", "s", MATCH_JALR | (X_RA << OP_SH_RD), MASK_JALR | MASK_RD | MASK_IMM, match_opcode, INSN_ALIAS },
+{"jalr", "I", "s,j", MATCH_JALR | (X_RA << OP_SH_RD), MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS },
+{"jalr", "I", "d,s", MATCH_JALR, MASK_JALR | MASK_IMM, match_opcode, INSN_ALIAS },
+{"jalr", "I", "d,s,j", MATCH_JALR, MASK_JALR, match_opcode, 0 },
+{"j", "C", "Ca", MATCH_C_J, MASK_C_J, match_opcode, INSN_ALIAS },
+{"j", "I", "a", MATCH_JAL, MASK_JAL | MASK_RD, match_opcode, INSN_ALIAS },
+{"jal", "32C", "Ca", MATCH_C_JAL, MASK_C_JAL, match_opcode, INSN_ALIAS },
+{"jal", "I", "a", MATCH_JAL | (X_RA << OP_SH_RD), MASK_JAL | MASK_RD, match_opcode, INSN_ALIAS },
+{"jal", "I", "d,a", MATCH_JAL, MASK_JAL, match_opcode, 0 },
+{"call", "I", "c", (X_T1 << OP_SH_RS1) | (X_RA << OP_SH_RD), (int) M_CALL, match_never, INSN_MACRO },
+{"call", "I", "d,c", (X_T1 << OP_SH_RS1), (int) M_CALL, match_never, INSN_MACRO },
+{"tail", "I", "c", (X_T1 << OP_SH_RS1), (int) M_CALL, match_never, INSN_MACRO },
+{"jump", "I", "c,s", 0, (int) M_CALL, match_never, INSN_MACRO },
+{"nop", "C", "", MATCH_C_ADDI, 0xffff, match_opcode, INSN_ALIAS },
+{"nop", "I", "", MATCH_ADDI, MASK_ADDI | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, INSN_ALIAS },
+{"lui", "C", "d,Cu", MATCH_C_LUI, MASK_C_LUI, match_c_lui, INSN_ALIAS },
+{"lui", "I", "d,u", MATCH_LUI, MASK_LUI, match_opcode, 0 },
+{"li", "C", "d,Cv", MATCH_C_LUI, MASK_C_LUI, match_c_lui, INSN_ALIAS },
+{"li", "C", "d,Cj", MATCH_C_LI, MASK_C_LI, match_rd_nonzero, INSN_ALIAS },
+{"li", "C", "d,0", MATCH_C_LI, MASK_C_LI | MASK_RVC_IMM, match_rd_nonzero, INSN_ALIAS },
+{"li", "I", "d,j", MATCH_ADDI, MASK_ADDI | MASK_RS1, match_opcode, INSN_ALIAS }, /* addi */
+{"li", "I", "d,I", 0, (int) M_LI, match_never, INSN_MACRO },
+{"mv", "C", "d,CV", MATCH_C_MV, MASK_C_MV, match_c_add, INSN_ALIAS },
+{"mv", "I", "d,s", MATCH_ADDI, MASK_ADDI | MASK_IMM, match_opcode, INSN_ALIAS },
+{"move", "C", "d,CV", MATCH_C_MV, MASK_C_MV, match_c_add, INSN_ALIAS },
+{"move", "I", "d,s", MATCH_ADDI, MASK_ADDI | MASK_IMM, match_opcode, INSN_ALIAS },
+{"andi", "C", "Cs,Cw,Cj", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, INSN_ALIAS },
+{"andi", "I", "d,s,j", MATCH_ANDI, MASK_ANDI, match_opcode, 0 },
+{"and", "C", "Cs,Cw,Ct", MATCH_C_AND, MASK_C_AND, match_opcode, INSN_ALIAS },
+{"and", "C", "Cs,Ct,Cw", MATCH_C_AND, MASK_C_AND, match_opcode, INSN_ALIAS },
+{"and", "C", "Cs,Cw,Cj", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, INSN_ALIAS },
+{"and", "I", "d,s,t", MATCH_AND, MASK_AND, match_opcode, 0 },
+{"and", "I", "d,s,j", MATCH_ANDI, MASK_ANDI, match_opcode, INSN_ALIAS },
+{"beqz", "C", "Cs,Cp", MATCH_C_BEQZ, MASK_C_BEQZ, match_opcode, INSN_ALIAS },
+{"beqz", "I", "s,p", MATCH_BEQ, MASK_BEQ | MASK_RS2, match_opcode, INSN_ALIAS },
+{"beq", "I", "s,t,p", MATCH_BEQ, MASK_BEQ, match_opcode, 0 },
+{"blez", "I", "t,p", MATCH_BGE, MASK_BGE | MASK_RS1, match_opcode, INSN_ALIAS },
+{"bgez", "I", "s,p", MATCH_BGE, MASK_BGE | MASK_RS2, match_opcode, INSN_ALIAS },
+{"ble", "I", "t,s,p", MATCH_BGE, MASK_BGE, match_opcode, INSN_ALIAS },
+{"bleu", "I", "t,s,p", MATCH_BGEU, MASK_BGEU, match_opcode, INSN_ALIAS },
+{"bge", "I", "s,t,p", MATCH_BGE, MASK_BGE, match_opcode, 0 },
+{"bgeu", "I", "s,t,p", MATCH_BGEU, MASK_BGEU, match_opcode, 0 },
+{"bltz", "I", "s,p", MATCH_BLT, MASK_BLT | MASK_RS2, match_opcode, INSN_ALIAS },
+{"bgtz", "I", "t,p", MATCH_BLT, MASK_BLT | MASK_RS1, match_opcode, INSN_ALIAS },
+{"blt", "I", "s,t,p", MATCH_BLT, MASK_BLT, match_opcode, 0 },
+{"bltu", "I", "s,t,p", MATCH_BLTU, MASK_BLTU, match_opcode, 0 },
+{"bgt", "I", "t,s,p", MATCH_BLT, MASK_BLT, match_opcode, INSN_ALIAS },
+{"bgtu", "I", "t,s,p", MATCH_BLTU, MASK_BLTU, match_opcode, INSN_ALIAS },
+{"bnez", "C", "Cs,Cp", MATCH_C_BNEZ, MASK_C_BNEZ, match_opcode, INSN_ALIAS },
+{"bnez", "I", "s,p", MATCH_BNE, MASK_BNE | MASK_RS2, match_opcode, INSN_ALIAS },
+{"bne", "I", "s,t,p", MATCH_BNE, MASK_BNE, match_opcode, 0 },
+{"addi", "C", "Ct,Cc,CK", MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN, match_opcode, INSN_ALIAS },
+{"addi", "C", "d,CU,Cj", MATCH_C_ADDI, MASK_C_ADDI, match_rd_nonzero, INSN_ALIAS },
+{"addi", "C", "Cc,Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_opcode, INSN_ALIAS },
+{"addi", "I", "d,s,j", MATCH_ADDI, MASK_ADDI, match_opcode, 0 },
+{"add", "C", "d,CU,CV", MATCH_C_ADD, MASK_C_ADD, match_c_add, INSN_ALIAS },
+{"add", "C", "d,CV,CU", MATCH_C_ADD, MASK_C_ADD, match_c_add, INSN_ALIAS },
+{"add", "C", "d,CU,Cj", MATCH_C_ADDI, MASK_C_ADDI, match_rd_nonzero, INSN_ALIAS },
+{"add", "C", "Ct,Cc,CK", MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN, match_opcode, INSN_ALIAS },
+{"add", "C", "Cc,Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_opcode, INSN_ALIAS },
+{"add", "I", "d,s,t", MATCH_ADD, MASK_ADD, match_opcode, 0 },
+{"add", "I", "d,s,t,0",MATCH_ADD, MASK_ADD, match_opcode, 0 },
+{"add", "I", "d,s,j", MATCH_ADDI, MASK_ADDI, match_opcode, INSN_ALIAS },
+{"la", "I", "d,A", 0, (int) M_LA, match_never, INSN_MACRO },
+{"lla", "I", "d,A", 0, (int) M_LLA, match_never, INSN_MACRO },
+{"la.tls.gd", "I", "d,A", 0, (int) M_LA_TLS_GD, match_never, INSN_MACRO },
+{"la.tls.ie", "I", "d,A", 0, (int) M_LA_TLS_IE, match_never, INSN_MACRO },
+{"neg", "I", "d,t", MATCH_SUB, MASK_SUB | MASK_RS1, match_opcode, INSN_ALIAS }, /* sub 0 */
+{"slli", "C", "d,CU,C>", MATCH_C_SLLI, MASK_C_SLLI, match_rd_nonzero, INSN_ALIAS },
+{"slli", "I", "d,s,>", MATCH_SLLI, MASK_SLLI, match_opcode, 0 },
+{"sll", "C", "d,CU,C>", MATCH_C_SLLI, MASK_C_SLLI, match_rd_nonzero, INSN_ALIAS },
+{"sll", "I", "d,s,t", MATCH_SLL, MASK_SLL, match_opcode, 0 },
+{"sll", "I", "d,s,>", MATCH_SLLI, MASK_SLLI, match_opcode, INSN_ALIAS },
+{"srli", "C", "Cs,Cw,C>", MATCH_C_SRLI, MASK_C_SRLI, match_rd_nonzero, INSN_ALIAS },
+{"srli", "I", "d,s,>", MATCH_SRLI, MASK_SRLI, match_opcode, 0 },
+{"srl", "C", "Cs,Cw,C>", MATCH_C_SRLI, MASK_C_SRLI, match_rd_nonzero, INSN_ALIAS },
+{"srl", "I", "d,s,t", MATCH_SRL, MASK_SRL, match_opcode, 0 },
+{"srl", "I", "d,s,>", MATCH_SRLI, MASK_SRLI, match_opcode, INSN_ALIAS },
+{"srai", "C", "Cs,Cw,C>", MATCH_C_SRAI, MASK_C_SRAI, match_rd_nonzero, INSN_ALIAS },
+{"srai", "I", "d,s,>", MATCH_SRAI, MASK_SRAI, match_opcode, 0 },
+{"sra", "C", "Cs,Cw,C>", MATCH_C_SRAI, MASK_C_SRAI, match_rd_nonzero, INSN_ALIAS },
+{"sra", "I", "d,s,t", MATCH_SRA, MASK_SRA, match_opcode, 0 },
+{"sra", "I", "d,s,>", MATCH_SRAI, MASK_SRAI, match_opcode, INSN_ALIAS },
+{"sub", "C", "Cs,Cw,Ct", MATCH_C_SUB, MASK_C_SUB, match_opcode, INSN_ALIAS },
+{"sub", "I", "d,s,t", MATCH_SUB, MASK_SUB, match_opcode, 0 },
+{"lb", "I", "d,o(s)", MATCH_LB, MASK_LB, match_opcode, 0 },
+{"lb", "I", "d,A", 0, (int) M_LB, match_never, INSN_MACRO },
+{"lbu", "I", "d,o(s)", MATCH_LBU, MASK_LBU, match_opcode, 0 },
+{"lbu", "I", "d,A", 0, (int) M_LBU, match_never, INSN_MACRO },
+{"lh", "I", "d,o(s)", MATCH_LH, MASK_LH, match_opcode, 0 },
+{"lh", "I", "d,A", 0, (int) M_LH, match_never, INSN_MACRO },
+{"lhu", "I", "d,o(s)", MATCH_LHU, MASK_LHU, match_opcode, 0 },
+{"lhu", "I", "d,A", 0, (int) M_LHU, match_never, INSN_MACRO },
+{"lw", "C", "d,Cm(Cc)", MATCH_C_LWSP, MASK_C_LWSP, match_rd_nonzero, INSN_ALIAS },
+{"lw", "C", "Ct,Ck(Cs)", MATCH_C_LW, MASK_C_LW, match_opcode, INSN_ALIAS },
+{"lw", "I", "d,o(s)", MATCH_LW, MASK_LW, match_opcode, 0 },
+{"lw", "I", "d,A", 0, (int) M_LW, match_never, INSN_MACRO },
+{"not", "I", "d,s", MATCH_XORI | MASK_IMM, MASK_XORI | MASK_IMM, match_opcode, INSN_ALIAS },
+{"ori", "I", "d,s,j", MATCH_ORI, MASK_ORI, match_opcode, 0 },
+{"or", "C", "Cs,Cw,Ct", MATCH_C_OR, MASK_C_OR, match_opcode, INSN_ALIAS },
+{"or", "C", "Cs,Ct,Cw", MATCH_C_OR, MASK_C_OR, match_opcode, INSN_ALIAS },
+{"or", "I", "d,s,t", MATCH_OR, MASK_OR, match_opcode, 0 },
+{"or", "I", "d,s,j", MATCH_ORI, MASK_ORI, match_opcode, INSN_ALIAS },
+{"auipc", "I", "d,u", MATCH_AUIPC, MASK_AUIPC, match_opcode, 0 },
+{"seqz", "I", "d,s", MATCH_SLTIU | ENCODE_ITYPE_IMM(1), MASK_SLTIU | MASK_IMM, match_opcode, INSN_ALIAS },
+{"snez", "I", "d,t", MATCH_SLTU, MASK_SLTU | MASK_RS1, match_opcode, INSN_ALIAS },
+{"sltz", "I", "d,s", MATCH_SLT, MASK_SLT | MASK_RS2, match_opcode, INSN_ALIAS },
+{"sgtz", "I", "d,t", MATCH_SLT, MASK_SLT | MASK_RS1, match_opcode, INSN_ALIAS },
+{"slti", "I", "d,s,j", MATCH_SLTI, MASK_SLTI, match_opcode, INSN_ALIAS },
+{"slt", "I", "d,s,t", MATCH_SLT, MASK_SLT, match_opcode, 0 },
+{"slt", "I", "d,s,j", MATCH_SLTI, MASK_SLTI, match_opcode, 0 },
+{"sltiu", "I", "d,s,j", MATCH_SLTIU, MASK_SLTIU, match_opcode, 0 },
+{"sltu", "I", "d,s,t", MATCH_SLTU, MASK_SLTU, match_opcode, 0 },
+{"sltu", "I", "d,s,j", MATCH_SLTIU, MASK_SLTIU, match_opcode, INSN_ALIAS },
+{"sgt", "I", "d,t,s", MATCH_SLT, MASK_SLT, match_opcode, INSN_ALIAS },
+{"sgtu", "I", "d,t,s", MATCH_SLTU, MASK_SLTU, match_opcode, INSN_ALIAS },
+{"sb", "I", "t,q(s)", MATCH_SB, MASK_SB, match_opcode, 0 },
+{"sb", "I", "t,A,s", 0, (int) M_SB, match_never, INSN_MACRO },
+{"sh", "I", "t,q(s)", MATCH_SH, MASK_SH, match_opcode, 0 },
+{"sh", "I", "t,A,s", 0, (int) M_SH, match_never, INSN_MACRO },
+{"sw", "C", "CV,CM(Cc)", MATCH_C_SWSP, MASK_C_SWSP, match_opcode, INSN_ALIAS },
+{"sw", "C", "Ct,Ck(Cs)", MATCH_C_SW, MASK_C_SW, match_opcode, INSN_ALIAS },
+{"sw", "I", "t,q(s)", MATCH_SW, MASK_SW, match_opcode, 0 },
+{"sw", "I", "t,A,s", 0, (int) M_SW, match_never, INSN_MACRO },
+{"fence", "I", "", MATCH_FENCE | MASK_PRED | MASK_SUCC, MASK_FENCE | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, INSN_ALIAS },
+{"fence", "I", "P,Q", MATCH_FENCE, MASK_FENCE | MASK_RD | MASK_RS1 | (MASK_IMM & ~MASK_PRED & ~MASK_SUCC), match_opcode, 0 },
+{"fence.i", "I", "", MATCH_FENCE_I, MASK_FENCE | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, 0 },
+{"rdcycle", "I", "d", MATCH_RDCYCLE, MASK_RDCYCLE, match_opcode, 0 },
+{"rdinstret", "I", "d", MATCH_RDINSTRET, MASK_RDINSTRET, match_opcode, 0 },
+{"rdtime", "I", "d", MATCH_RDTIME, MASK_RDTIME, match_opcode, 0 },
+{"rdcycleh", "32I", "d", MATCH_RDCYCLEH, MASK_RDCYCLEH, match_opcode, 0 },
+{"rdinstreth","32I", "d", MATCH_RDINSTRETH, MASK_RDINSTRETH, match_opcode, 0 },
+{"rdtimeh", "32I", "d", MATCH_RDTIMEH, MASK_RDTIMEH, match_opcode, 0 },
+{"ecall", "I", "", MATCH_SCALL, MASK_SCALL, match_opcode, 0 },
+{"scall", "I", "", MATCH_SCALL, MASK_SCALL, match_opcode, 0 },
+{"xori", "I", "d,s,j", MATCH_XORI, MASK_XORI, match_opcode, 0 },
+{"xor", "C", "Cs,Cw,Ct", MATCH_C_XOR, MASK_C_XOR, match_opcode, INSN_ALIAS },
+{"xor", "C", "Cs,Ct,Cw", MATCH_C_XOR, MASK_C_XOR, match_opcode, INSN_ALIAS },
+{"xor", "I", "d,s,t", MATCH_XOR, MASK_XOR, match_opcode, 0 },
+{"xor", "I", "d,s,j", MATCH_XORI, MASK_XORI, match_opcode, INSN_ALIAS },
+{"lwu", "64I", "d,o(s)", MATCH_LWU, MASK_LWU, match_opcode, 0 },
+{"lwu", "64I", "d,A", 0, (int) M_LWU, match_never, INSN_MACRO },
+{"ld", "64C", "d,Cn(Cc)", MATCH_C_LDSP, MASK_C_LDSP, match_rd_nonzero, INSN_ALIAS },
+{"ld", "64C", "Ct,Cl(Cs)", MATCH_C_LD, MASK_C_LD, match_opcode, INSN_ALIAS },
+{"ld", "64I", "d,o(s)", MATCH_LD, MASK_LD, match_opcode, 0 },
+{"ld", "64I", "d,A", 0, (int) M_LD, match_never, INSN_MACRO },
+{"sd", "64C", "CV,CN(Cc)", MATCH_C_SDSP, MASK_C_SDSP, match_opcode, INSN_ALIAS },
+{"sd", "64C", "Ct,Cl(Cs)", MATCH_C_SD, MASK_C_SD, match_opcode, INSN_ALIAS },
+{"sd", "64I", "t,q(s)", MATCH_SD, MASK_SD, match_opcode, 0 },
+{"sd", "64I", "t,A,s", 0, (int) M_SD, match_never, INSN_MACRO },
+{"sext.w", "64C", "d,CU", MATCH_C_ADDIW, MASK_C_ADDIW | MASK_RVC_IMM, match_rd_nonzero, INSN_ALIAS },
+{"sext.w", "64I", "d,s", MATCH_ADDIW, MASK_ADDIW | MASK_IMM, match_opcode, INSN_ALIAS },
+{"addiw", "64C", "d,CU,Cj", MATCH_C_ADDIW, MASK_C_ADDIW, match_rd_nonzero, INSN_ALIAS },
+{"addiw", "64I", "d,s,j", MATCH_ADDIW, MASK_ADDIW, match_opcode, 0 },
+{"addw", "64C", "Cs,Cw,Ct", MATCH_C_ADDW, MASK_C_ADDW, match_opcode, INSN_ALIAS },
+{"addw", "64C", "Cs,Ct,Cw", MATCH_C_ADDW, MASK_C_ADDW, match_opcode, INSN_ALIAS },
+{"addw", "64C", "d,CU,Cj", MATCH_C_ADDIW, MASK_C_ADDIW, match_rd_nonzero, INSN_ALIAS },
+{"addw", "64I", "d,s,t", MATCH_ADDW, MASK_ADDW, match_opcode, 0 },
+{"addw", "64I", "d,s,j", MATCH_ADDIW, MASK_ADDIW, match_opcode, INSN_ALIAS },
+{"negw", "64I", "d,t", MATCH_SUBW, MASK_SUBW | MASK_RS1, match_opcode, INSN_ALIAS }, /* sub 0 */
+{"slliw", "64I", "d,s,<", MATCH_SLLIW, MASK_SLLIW, match_opcode, 0 },
+{"sllw", "64I", "d,s,t", MATCH_SLLW, MASK_SLLW, match_opcode, 0 },
+{"sllw", "64I", "d,s,<", MATCH_SLLIW, MASK_SLLIW, match_opcode, INSN_ALIAS },
+{"srliw", "64I", "d,s,<", MATCH_SRLIW, MASK_SRLIW, match_opcode, 0 },
+{"srlw", "64I", "d,s,t", MATCH_SRLW, MASK_SRLW, match_opcode, 0 },
+{"srlw", "64I", "d,s,<", MATCH_SRLIW, MASK_SRLIW, match_opcode, INSN_ALIAS },
+{"sraiw", "64I", "d,s,<", MATCH_SRAIW, MASK_SRAIW, match_opcode, 0 },
+{"sraw", "64I", "d,s,t", MATCH_SRAW, MASK_SRAW, match_opcode, 0 },
+{"sraw", "64I", "d,s,<", MATCH_SRAIW, MASK_SRAIW, match_opcode, INSN_ALIAS },
+{"subw", "64C", "Cs,Cw,Ct", MATCH_C_SUBW, MASK_C_SUBW, match_opcode, INSN_ALIAS },
+{"subw", "64I", "d,s,t", MATCH_SUBW, MASK_SUBW, match_opcode, 0 },
+
+/* Atomic memory operation instruction subset */
+{"lr.w", "A", "d,0(s)", MATCH_LR_W, MASK_LR_W | MASK_AQRL, match_opcode, 0 },
+{"sc.w", "A", "d,t,0(s)", MATCH_SC_W, MASK_SC_W | MASK_AQRL, match_opcode, 0 },
+{"amoadd.w", "A", "d,t,0(s)", MATCH_AMOADD_W, MASK_AMOADD_W | MASK_AQRL, match_opcode, 0 },
+{"amoswap.w", "A", "d,t,0(s)", MATCH_AMOSWAP_W, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, 0 },
+{"amoand.w", "A", "d,t,0(s)", MATCH_AMOAND_W, MASK_AMOAND_W | MASK_AQRL, match_opcode, 0 },
+{"amoor.w", "A", "d,t,0(s)", MATCH_AMOOR_W, MASK_AMOOR_W | MASK_AQRL, match_opcode, 0 },
+{"amoxor.w", "A", "d,t,0(s)", MATCH_AMOXOR_W, MASK_AMOXOR_W | MASK_AQRL, match_opcode, 0 },
+{"amomax.w", "A", "d,t,0(s)", MATCH_AMOMAX_W, MASK_AMOMAX_W | MASK_AQRL, match_opcode, 0 },
+{"amomaxu.w", "A", "d,t,0(s)", MATCH_AMOMAXU_W, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, 0 },
+{"amomin.w", "A", "d,t,0(s)", MATCH_AMOMIN_W, MASK_AMOMIN_W | MASK_AQRL, match_opcode, 0 },
+{"amominu.w", "A", "d,t,0(s)", MATCH_AMOMINU_W, MASK_AMOMINU_W | MASK_AQRL, match_opcode, 0 },
+{"lr.w.aq", "A", "d,0(s)", MATCH_LR_W | MASK_AQ, MASK_LR_W | MASK_AQRL, match_opcode, 0 },
+{"sc.w.aq", "A", "d,t,0(s)", MATCH_SC_W | MASK_AQ, MASK_SC_W | MASK_AQRL, match_opcode, 0 },
+{"amoadd.w.aq", "A", "d,t,0(s)", MATCH_AMOADD_W | MASK_AQ, MASK_AMOADD_W | MASK_AQRL, match_opcode, 0 },
+{"amoswap.w.aq", "A", "d,t,0(s)", MATCH_AMOSWAP_W | MASK_AQ, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, 0 },
+{"amoand.w.aq", "A", "d,t,0(s)", MATCH_AMOAND_W | MASK_AQ, MASK_AMOAND_W | MASK_AQRL, match_opcode, 0 },
+{"amoor.w.aq", "A", "d,t,0(s)", MATCH_AMOOR_W | MASK_AQ, MASK_AMOOR_W | MASK_AQRL, match_opcode, 0 },
+{"amoxor.w.aq", "A", "d,t,0(s)", MATCH_AMOXOR_W | MASK_AQ, MASK_AMOXOR_W | MASK_AQRL, match_opcode, 0 },
+{"amomax.w.aq", "A", "d,t,0(s)", MATCH_AMOMAX_W | MASK_AQ, MASK_AMOMAX_W | MASK_AQRL, match_opcode, 0 },
+{"amomaxu.w.aq", "A", "d,t,0(s)", MATCH_AMOMAXU_W | MASK_AQ, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, 0 },
+{"amomin.w.aq", "A", "d,t,0(s)", MATCH_AMOMIN_W | MASK_AQ, MASK_AMOMIN_W | MASK_AQRL, match_opcode, 0 },
+{"amominu.w.aq", "A", "d,t,0(s)", MATCH_AMOMINU_W | MASK_AQ, MASK_AMOMINU_W | MASK_AQRL, match_opcode, 0 },
+{"lr.w.rl", "A", "d,0(s)", MATCH_LR_W | MASK_RL, MASK_LR_W | MASK_AQRL, match_opcode, 0 },
+{"sc.w.rl", "A", "d,t,0(s)", MATCH_SC_W | MASK_RL, MASK_SC_W | MASK_AQRL, match_opcode, 0 },
+{"amoadd.w.rl", "A", "d,t,0(s)", MATCH_AMOADD_W | MASK_RL, MASK_AMOADD_W | MASK_AQRL, match_opcode, 0 },
+{"amoswap.w.rl", "A", "d,t,0(s)", MATCH_AMOSWAP_W | MASK_RL, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, 0 },
+{"amoand.w.rl", "A", "d,t,0(s)", MATCH_AMOAND_W | MASK_RL, MASK_AMOAND_W | MASK_AQRL, match_opcode, 0 },
+{"amoor.w.rl", "A", "d,t,0(s)", MATCH_AMOOR_W | MASK_RL, MASK_AMOOR_W | MASK_AQRL, match_opcode, 0 },
+{"amoxor.w.rl", "A", "d,t,0(s)", MATCH_AMOXOR_W | MASK_RL, MASK_AMOXOR_W | MASK_AQRL, match_opcode, 0 },
+{"amomax.w.rl", "A", "d,t,0(s)", MATCH_AMOMAX_W | MASK_RL, MASK_AMOMAX_W | MASK_AQRL, match_opcode, 0 },
+{"amomaxu.w.rl", "A", "d,t,0(s)", MATCH_AMOMAXU_W | MASK_RL, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, 0 },
+{"amomin.w.rl", "A", "d,t,0(s)", MATCH_AMOMIN_W | MASK_RL, MASK_AMOMIN_W | MASK_AQRL, match_opcode, 0 },
+{"amominu.w.rl", "A", "d,t,0(s)", MATCH_AMOMINU_W | MASK_RL, MASK_AMOMINU_W | MASK_AQRL, match_opcode, 0 },
+{"lr.w.sc", "A", "d,0(s)", MATCH_LR_W | MASK_AQRL, MASK_LR_W | MASK_AQRL, match_opcode, 0 },
+{"sc.w.sc", "A", "d,t,0(s)", MATCH_SC_W | MASK_AQRL, MASK_SC_W | MASK_AQRL, match_opcode, 0 },
+{"amoadd.w.sc", "A", "d,t,0(s)", MATCH_AMOADD_W | MASK_AQRL, MASK_AMOADD_W | MASK_AQRL, match_opcode, 0 },
+{"amoswap.w.sc", "A", "d,t,0(s)", MATCH_AMOSWAP_W | MASK_AQRL, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, 0 },
+{"amoand.w.sc", "A", "d,t,0(s)", MATCH_AMOAND_W | MASK_AQRL, MASK_AMOAND_W | MASK_AQRL, match_opcode, 0 },
+{"amoor.w.sc", "A", "d,t,0(s)", MATCH_AMOOR_W | MASK_AQRL, MASK_AMOOR_W | MASK_AQRL, match_opcode, 0 },
+{"amoxor.w.sc", "A", "d,t,0(s)", MATCH_AMOXOR_W | MASK_AQRL, MASK_AMOXOR_W | MASK_AQRL, match_opcode, 0 },
+{"amomax.w.sc", "A", "d,t,0(s)", MATCH_AMOMAX_W | MASK_AQRL, MASK_AMOMAX_W | MASK_AQRL, match_opcode, 0 },
+{"amomaxu.w.sc", "A", "d,t,0(s)", MATCH_AMOMAXU_W | MASK_AQRL, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, 0 },
+{"amomin.w.sc", "A", "d,t,0(s)", MATCH_AMOMIN_W | MASK_AQRL, MASK_AMOMIN_W | MASK_AQRL, match_opcode, 0 },
+{"amominu.w.sc", "A", "d,t,0(s)", MATCH_AMOMINU_W | MASK_AQRL, MASK_AMOMINU_W | MASK_AQRL, match_opcode, 0 },
+{"lr.d", "64A", "d,0(s)", MATCH_LR_D, MASK_LR_D | MASK_AQRL, match_opcode, 0 },
+{"sc.d", "64A", "d,t,0(s)", MATCH_SC_D, MASK_SC_D | MASK_AQRL, match_opcode, 0 },
+{"amoadd.d", "64A", "d,t,0(s)", MATCH_AMOADD_D, MASK_AMOADD_D | MASK_AQRL, match_opcode, 0 },
+{"amoswap.d", "64A", "d,t,0(s)", MATCH_AMOSWAP_D, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, 0 },
+{"amoand.d", "64A", "d,t,0(s)", MATCH_AMOAND_D, MASK_AMOAND_D | MASK_AQRL, match_opcode, 0 },
+{"amoor.d", "64A", "d,t,0(s)", MATCH_AMOOR_D, MASK_AMOOR_D | MASK_AQRL, match_opcode, 0 },
+{"amoxor.d", "64A", "d,t,0(s)", MATCH_AMOXOR_D, MASK_AMOXOR_D | MASK_AQRL, match_opcode, 0 },
+{"amomax.d", "64A", "d,t,0(s)", MATCH_AMOMAX_D, MASK_AMOMAX_D | MASK_AQRL, match_opcode, 0 },
+{"amomaxu.d", "64A", "d,t,0(s)", MATCH_AMOMAXU_D, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, 0 },
+{"amomin.d", "64A", "d,t,0(s)", MATCH_AMOMIN_D, MASK_AMOMIN_D | MASK_AQRL, match_opcode, 0 },
+{"amominu.d", "64A", "d,t,0(s)", MATCH_AMOMINU_D, MASK_AMOMINU_D | MASK_AQRL, match_opcode, 0 },
+{"lr.d.aq", "64A", "d,0(s)", MATCH_LR_D | MASK_AQ, MASK_LR_D | MASK_AQRL, match_opcode, 0 },
+{"sc.d.aq", "64A", "d,t,0(s)", MATCH_SC_D | MASK_AQ, MASK_SC_D | MASK_AQRL, match_opcode, 0 },
+{"amoadd.d.aq", "64A", "d,t,0(s)", MATCH_AMOADD_D | MASK_AQ, MASK_AMOADD_D | MASK_AQRL, match_opcode, 0 },
+{"amoswap.d.aq", "64A", "d,t,0(s)", MATCH_AMOSWAP_D | MASK_AQ, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, 0 },
+{"amoand.d.aq", "64A", "d,t,0(s)", MATCH_AMOAND_D | MASK_AQ, MASK_AMOAND_D | MASK_AQRL, match_opcode, 0 },
+{"amoor.d.aq", "64A", "d,t,0(s)", MATCH_AMOOR_D | MASK_AQ, MASK_AMOOR_D | MASK_AQRL, match_opcode, 0 },
+{"amoxor.d.aq", "64A", "d,t,0(s)", MATCH_AMOXOR_D | MASK_AQ, MASK_AMOXOR_D | MASK_AQRL, match_opcode, 0 },
+{"amomax.d.aq", "64A", "d,t,0(s)", MATCH_AMOMAX_D | MASK_AQ, MASK_AMOMAX_D | MASK_AQRL, match_opcode, 0 },
+{"amomaxu.d.aq", "64A", "d,t,0(s)", MATCH_AMOMAXU_D | MASK_AQ, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, 0 },
+{"amomin.d.aq", "64A", "d,t,0(s)", MATCH_AMOMIN_D | MASK_AQ, MASK_AMOMIN_D | MASK_AQRL, match_opcode, 0 },
+{"amominu.d.aq", "64A", "d,t,0(s)", MATCH_AMOMINU_D | MASK_AQ, MASK_AMOMINU_D | MASK_AQRL, match_opcode, 0 },
+{"lr.d.rl", "64A", "d,0(s)", MATCH_LR_D | MASK_RL, MASK_LR_D | MASK_AQRL, match_opcode, 0 },
+{"sc.d.rl", "64A", "d,t,0(s)", MATCH_SC_D | MASK_RL, MASK_SC_D | MASK_AQRL, match_opcode, 0 },
+{"amoadd.d.rl", "64A", "d,t,0(s)", MATCH_AMOADD_D | MASK_RL, MASK_AMOADD_D | MASK_AQRL, match_opcode, 0 },
+{"amoswap.d.rl", "64A", "d,t,0(s)", MATCH_AMOSWAP_D | MASK_RL, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, 0 },
+{"amoand.d.rl", "64A", "d,t,0(s)", MATCH_AMOAND_D | MASK_RL, MASK_AMOAND_D | MASK_AQRL, match_opcode, 0 },
+{"amoor.d.rl", "64A", "d,t,0(s)", MATCH_AMOOR_D | MASK_RL, MASK_AMOOR_D | MASK_AQRL, match_opcode, 0 },
+{"amoxor.d.rl", "64A", "d,t,0(s)", MATCH_AMOXOR_D | MASK_RL, MASK_AMOXOR_D | MASK_AQRL, match_opcode, 0 },
+{"amomax.d.rl", "64A", "d,t,0(s)", MATCH_AMOMAX_D | MASK_RL, MASK_AMOMAX_D | MASK_AQRL, match_opcode, 0 },
+{"amomaxu.d.rl", "64A", "d,t,0(s)", MATCH_AMOMAXU_D | MASK_RL, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, 0 },
+{"amomin.d.rl", "64A", "d,t,0(s)", MATCH_AMOMIN_D | MASK_RL, MASK_AMOMIN_D | MASK_AQRL, match_opcode, 0 },
+{"amominu.d.rl", "64A", "d,t,0(s)", MATCH_AMOMINU_D | MASK_RL, MASK_AMOMINU_D | MASK_AQRL, match_opcode, 0 },
+{"lr.d.sc", "64A", "d,0(s)", MATCH_LR_D | MASK_AQRL, MASK_LR_D | MASK_AQRL, match_opcode, 0 },
+{"sc.d.sc", "64A", "d,t,0(s)", MATCH_SC_D | MASK_AQRL, MASK_SC_D | MASK_AQRL, match_opcode, 0 },
+{"amoadd.d.sc", "64A", "d,t,0(s)", MATCH_AMOADD_D | MASK_AQRL, MASK_AMOADD_D | MASK_AQRL, match_opcode, 0 },
+{"amoswap.d.sc", "64A", "d,t,0(s)", MATCH_AMOSWAP_D | MASK_AQRL, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, 0 },
+{"amoand.d.sc", "64A", "d,t,0(s)", MATCH_AMOAND_D | MASK_AQRL, MASK_AMOAND_D | MASK_AQRL, match_opcode, 0 },
+{"amoor.d.sc", "64A", "d,t,0(s)", MATCH_AMOOR_D | MASK_AQRL, MASK_AMOOR_D | MASK_AQRL, match_opcode, 0 },
+{"amoxor.d.sc", "64A", "d,t,0(s)", MATCH_AMOXOR_D | MASK_AQRL, MASK_AMOXOR_D | MASK_AQRL, match_opcode, 0 },
+{"amomax.d.sc", "64A", "d,t,0(s)", MATCH_AMOMAX_D | MASK_AQRL, MASK_AMOMAX_D | MASK_AQRL, match_opcode, 0 },
+{"amomaxu.d.sc", "64A", "d,t,0(s)", MATCH_AMOMAXU_D | MASK_AQRL, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, 0 },
+{"amomin.d.sc", "64A", "d,t,0(s)", MATCH_AMOMIN_D | MASK_AQRL, MASK_AMOMIN_D | MASK_AQRL, match_opcode, 0 },
+{"amominu.d.sc", "64A", "d,t,0(s)", MATCH_AMOMINU_D | MASK_AQRL, MASK_AMOMINU_D | MASK_AQRL, match_opcode, 0 },
+
+/* Multiply/Divide instruction subset */
+{"mul", "M", "d,s,t", MATCH_MUL, MASK_MUL, match_opcode, 0 },
+{"mulh", "M", "d,s,t", MATCH_MULH, MASK_MULH, match_opcode, 0 },
+{"mulhu", "M", "d,s,t", MATCH_MULHU, MASK_MULHU, match_opcode, 0 },
+{"mulhsu", "M", "d,s,t", MATCH_MULHSU, MASK_MULHSU, match_opcode, 0 },
+{"div", "M", "d,s,t", MATCH_DIV, MASK_DIV, match_opcode, 0 },
+{"divu", "M", "d,s,t", MATCH_DIVU, MASK_DIVU, match_opcode, 0 },
+{"rem", "M", "d,s,t", MATCH_REM, MASK_REM, match_opcode, 0 },
+{"remu", "M", "d,s,t", MATCH_REMU, MASK_REMU, match_opcode, 0 },
+{"mulw", "64M", "d,s,t", MATCH_MULW, MASK_MULW, match_opcode, 0 },
+{"divw", "64M", "d,s,t", MATCH_DIVW, MASK_DIVW, match_opcode, 0 },
+{"divuw", "64M", "d,s,t", MATCH_DIVUW, MASK_DIVUW, match_opcode, 0 },
+{"remw", "64M", "d,s,t", MATCH_REMW, MASK_REMW, match_opcode, 0 },
+{"remuw", "64M", "d,s,t", MATCH_REMUW, MASK_REMUW, match_opcode, 0 },
+
+/* Single-precision floating-point instruction subset */
+{"frsr", "F", "d", MATCH_FRCSR, MASK_FRCSR, match_opcode, 0 },
+{"fssr", "F", "s", MATCH_FSCSR, MASK_FSCSR | MASK_RD, match_opcode, 0 },
+{"fssr", "F", "d,s", MATCH_FSCSR, MASK_FSCSR, match_opcode, 0 },
+{"frcsr", "F", "d", MATCH_FRCSR, MASK_FRCSR, match_opcode, 0 },
+{"fscsr", "F", "s", MATCH_FSCSR, MASK_FSCSR | MASK_RD, match_opcode, 0 },
+{"fscsr", "F", "d,s", MATCH_FSCSR, MASK_FSCSR, match_opcode, 0 },
+{"frrm", "F", "d", MATCH_FRRM, MASK_FRRM, match_opcode, 0 },
+{"fsrm", "F", "s", MATCH_FSRM, MASK_FSRM | MASK_RD, match_opcode, 0 },
+{"fsrm", "F", "d,s", MATCH_FSRM, MASK_FSRM, match_opcode, 0 },
+{"frflags", "F", "d", MATCH_FRFLAGS, MASK_FRFLAGS, match_opcode, 0 },
+{"fsflags", "F", "s", MATCH_FSFLAGS, MASK_FSFLAGS | MASK_RD, match_opcode, 0 },
+{"fsflags", "F", "d,s", MATCH_FSFLAGS, MASK_FSFLAGS, match_opcode, 0 },
+{"flw", "32C", "D,Cm(Cc)", MATCH_C_FLWSP, MASK_C_FLWSP, match_opcode, INSN_ALIAS },
+{"flw", "32C", "CD,Ck(Cs)", MATCH_C_FLW, MASK_C_FLW, match_opcode, INSN_ALIAS },
+{"flw", "F", "D,o(s)", MATCH_FLW, MASK_FLW, match_opcode, 0 },
+{"flw", "F", "D,A,s", 0, (int) M_FLW, match_never, INSN_MACRO },
+{"fsw", "32C", "CT,CM(Cc)", MATCH_C_FSWSP, MASK_C_FSWSP, match_opcode, INSN_ALIAS },
+{"fsw", "32C", "CD,Ck(Cs)", MATCH_C_FSW, MASK_C_FSW, match_opcode, INSN_ALIAS },
+{"fsw", "F", "T,q(s)", MATCH_FSW, MASK_FSW, match_opcode, 0 },
+{"fsw", "F", "T,A,s", 0, (int) M_FSW, match_never, INSN_MACRO },
+{"fmv.x.s", "F", "d,S", MATCH_FMV_X_S, MASK_FMV_X_S, match_opcode, 0 },
+{"fmv.s.x", "F", "D,s", MATCH_FMV_S_X, MASK_FMV_S_X, match_opcode, 0 },
+{"fmv.s", "F", "D,U", MATCH_FSGNJ_S, MASK_FSGNJ_S, match_rs1_eq_rs2, INSN_ALIAS },
+{"fneg.s", "F", "D,U", MATCH_FSGNJN_S, MASK_FSGNJN_S, match_rs1_eq_rs2, INSN_ALIAS },
+{"fabs.s", "F", "D,U", MATCH_FSGNJX_S, MASK_FSGNJX_S, match_rs1_eq_rs2, INSN_ALIAS },
+{"fsgnj.s", "F", "D,S,T", MATCH_FSGNJ_S, MASK_FSGNJ_S, match_opcode, 0 },
+{"fsgnjn.s", "F", "D,S,T", MATCH_FSGNJN_S, MASK_FSGNJN_S, match_opcode, 0 },
+{"fsgnjx.s", "F", "D,S,T", MATCH_FSGNJX_S, MASK_FSGNJX_S, match_opcode, 0 },
+{"fadd.s", "F", "D,S,T", MATCH_FADD_S | MASK_RM, MASK_FADD_S | MASK_RM, match_opcode, 0 },
+{"fadd.s", "F", "D,S,T,m", MATCH_FADD_S, MASK_FADD_S, match_opcode, 0 },
+{"fsub.s", "F", "D,S,T", MATCH_FSUB_S | MASK_RM, MASK_FSUB_S | MASK_RM, match_opcode, 0 },
+{"fsub.s", "F", "D,S,T,m", MATCH_FSUB_S, MASK_FSUB_S, match_opcode, 0 },
+{"fmul.s", "F", "D,S,T", MATCH_FMUL_S | MASK_RM, MASK_FMUL_S | MASK_RM, match_opcode, 0 },
+{"fmul.s", "F", "D,S,T,m", MATCH_FMUL_S, MASK_FMUL_S, match_opcode, 0 },
+{"fdiv.s", "F", "D,S,T", MATCH_FDIV_S | MASK_RM, MASK_FDIV_S | MASK_RM, match_opcode, 0 },
+{"fdiv.s", "F", "D,S,T,m", MATCH_FDIV_S, MASK_FDIV_S, match_opcode, 0 },
+{"fsqrt.s", "F", "D,S", MATCH_FSQRT_S | MASK_RM, MASK_FSQRT_S | MASK_RM, match_opcode, 0 },
+{"fsqrt.s", "F", "D,S,m", MATCH_FSQRT_S, MASK_FSQRT_S, match_opcode, 0 },
+{"fmin.s", "F", "D,S,T", MATCH_FMIN_S, MASK_FMIN_S, match_opcode, 0 },
+{"fmax.s", "F", "D,S,T", MATCH_FMAX_S, MASK_FMAX_S, match_opcode, 0 },
+{"fmadd.s", "F", "D,S,T,R", MATCH_FMADD_S | MASK_RM, MASK_FMADD_S | MASK_RM, match_opcode, 0 },
+{"fmadd.s", "F", "D,S,T,R,m", MATCH_FMADD_S, MASK_FMADD_S, match_opcode, 0 },
+{"fnmadd.s", "F", "D,S,T,R", MATCH_FNMADD_S | MASK_RM, MASK_FNMADD_S | MASK_RM, match_opcode, 0 },
+{"fnmadd.s", "F", "D,S,T,R,m", MATCH_FNMADD_S, MASK_FNMADD_S, match_opcode, 0 },
+{"fmsub.s", "F", "D,S,T,R", MATCH_FMSUB_S | MASK_RM, MASK_FMSUB_S | MASK_RM, match_opcode, 0 },
+{"fmsub.s", "F", "D,S,T,R,m", MATCH_FMSUB_S, MASK_FMSUB_S, match_opcode, 0 },
+{"fnmsub.s", "F", "D,S,T,R", MATCH_FNMSUB_S | MASK_RM, MASK_FNMSUB_S | MASK_RM, match_opcode, 0 },
+{"fnmsub.s", "F", "D,S,T,R,m", MATCH_FNMSUB_S, MASK_FNMSUB_S, match_opcode, 0 },
+{"fcvt.w.s", "F", "d,S", MATCH_FCVT_W_S | MASK_RM, MASK_FCVT_W_S | MASK_RM, match_opcode, 0 },
+{"fcvt.w.s", "F", "d,S,m", MATCH_FCVT_W_S, MASK_FCVT_W_S, match_opcode, 0 },
+{"fcvt.wu.s", "F", "d,S", MATCH_FCVT_WU_S | MASK_RM, MASK_FCVT_WU_S | MASK_RM, match_opcode, 0 },
+{"fcvt.wu.s", "F", "d,S,m", MATCH_FCVT_WU_S, MASK_FCVT_WU_S, match_opcode, 0 },
+{"fcvt.s.w", "F", "D,s", MATCH_FCVT_S_W | MASK_RM, MASK_FCVT_S_W | MASK_RM, match_opcode, 0 },
+{"fcvt.s.w", "F", "D,s,m", MATCH_FCVT_S_W, MASK_FCVT_S_W, match_opcode, 0 },
+{"fcvt.s.wu", "F", "D,s", MATCH_FCVT_S_WU | MASK_RM, MASK_FCVT_S_W | MASK_RM, match_opcode, 0 },
+{"fcvt.s.wu", "F", "D,s,m", MATCH_FCVT_S_WU, MASK_FCVT_S_WU, match_opcode, 0 },
+{"fclass.s", "F", "d,S", MATCH_FCLASS_S, MASK_FCLASS_S, match_opcode, 0 },
+{"feq.s", "F", "d,S,T", MATCH_FEQ_S, MASK_FEQ_S, match_opcode, 0 },
+{"flt.s", "F", "d,S,T", MATCH_FLT_S, MASK_FLT_S, match_opcode, 0 },
+{"fle.s", "F", "d,S,T", MATCH_FLE_S, MASK_FLE_S, match_opcode, 0 },
+{"fgt.s", "F", "d,T,S", MATCH_FLT_S, MASK_FLT_S, match_opcode, 0 },
+{"fge.s", "F", "d,T,S", MATCH_FLE_S, MASK_FLE_S, match_opcode, 0 },
+{"fcvt.l.s", "64F", "d,S", MATCH_FCVT_L_S | MASK_RM, MASK_FCVT_L_S | MASK_RM, match_opcode, 0 },
+{"fcvt.l.s", "64F", "d,S,m", MATCH_FCVT_L_S, MASK_FCVT_L_S, match_opcode, 0 },
+{"fcvt.lu.s", "64F", "d,S", MATCH_FCVT_LU_S | MASK_RM, MASK_FCVT_LU_S | MASK_RM, match_opcode, 0 },
+{"fcvt.lu.s", "64F", "d,S,m", MATCH_FCVT_LU_S, MASK_FCVT_LU_S, match_opcode, 0 },
+{"fcvt.s.l", "64F", "D,s", MATCH_FCVT_S_L | MASK_RM, MASK_FCVT_S_L | MASK_RM, match_opcode, 0 },
+{"fcvt.s.l", "64F", "D,s,m", MATCH_FCVT_S_L, MASK_FCVT_S_L, match_opcode, 0 },
+{"fcvt.s.lu", "64F", "D,s", MATCH_FCVT_S_LU | MASK_RM, MASK_FCVT_S_L | MASK_RM, match_opcode, 0 },
+{"fcvt.s.lu", "64F", "D,s,m", MATCH_FCVT_S_LU, MASK_FCVT_S_LU, match_opcode, 0 },
+
+/* Double-precision floating-point instruction subset */
+{"fld", "C", "D,Cn(Cc)", MATCH_C_FLDSP, MASK_C_FLDSP, match_opcode, INSN_ALIAS },
+{"fld", "C", "CD,Cl(Cs)", MATCH_C_FLD, MASK_C_FLD, match_opcode, INSN_ALIAS },
+{"fld", "D", "D,o(s)", MATCH_FLD, MASK_FLD, match_opcode, 0 },
+{"fld", "D", "D,A,s", 0, (int) M_FLD, match_never, INSN_MACRO },
+{"fsd", "C", "CT,CN(Cc)", MATCH_C_FSDSP, MASK_C_FSDSP, match_opcode, INSN_ALIAS },
+{"fsd", "C", "CD,Cl(Cs)", MATCH_C_FSD, MASK_C_FSD, match_opcode, INSN_ALIAS },
+{"fsd", "D", "T,q(s)", MATCH_FSD, MASK_FSD, match_opcode, 0 },
+{"fsd", "D", "T,A,s", 0, (int) M_FSD, match_never, INSN_MACRO },
+{"fmv.d", "D", "D,U", MATCH_FSGNJ_D, MASK_FSGNJ_D, match_rs1_eq_rs2, INSN_ALIAS },
+{"fneg.d", "D", "D,U", MATCH_FSGNJN_D, MASK_FSGNJN_D, match_rs1_eq_rs2, INSN_ALIAS },
+{"fabs.d", "D", "D,U", MATCH_FSGNJX_D, MASK_FSGNJX_D, match_rs1_eq_rs2, INSN_ALIAS },
+{"fsgnj.d", "D", "D,S,T", MATCH_FSGNJ_D, MASK_FSGNJ_D, match_opcode, 0 },
+{"fsgnjn.d", "D", "D,S,T", MATCH_FSGNJN_D, MASK_FSGNJN_D, match_opcode, 0 },
+{"fsgnjx.d", "D", "D,S,T", MATCH_FSGNJX_D, MASK_FSGNJX_D, match_opcode, 0 },
+{"fadd.d", "D", "D,S,T", MATCH_FADD_D | MASK_RM, MASK_FADD_D | MASK_RM, match_opcode, 0 },
+{"fadd.d", "D", "D,S,T,m", MATCH_FADD_D, MASK_FADD_D, match_opcode, 0 },
+{"fsub.d", "D", "D,S,T", MATCH_FSUB_D | MASK_RM, MASK_FSUB_D | MASK_RM, match_opcode, 0 },
+{"fsub.d", "D", "D,S,T,m", MATCH_FSUB_D, MASK_FSUB_D, match_opcode, 0 },
+{"fmul.d", "D", "D,S,T", MATCH_FMUL_D | MASK_RM, MASK_FMUL_D | MASK_RM, match_opcode, 0 },
+{"fmul.d", "D", "D,S,T,m", MATCH_FMUL_D, MASK_FMUL_D, match_opcode, 0 },
+{"fdiv.d", "D", "D,S,T", MATCH_FDIV_D | MASK_RM, MASK_FDIV_D | MASK_RM, match_opcode, 0 },
+{"fdiv.d", "D", "D,S,T,m", MATCH_FDIV_D, MASK_FDIV_D, match_opcode, 0 },
+{"fsqrt.d", "D", "D,S", MATCH_FSQRT_D | MASK_RM, MASK_FSQRT_D | MASK_RM, match_opcode, 0 },
+{"fsqrt.d", "D", "D,S,m", MATCH_FSQRT_D, MASK_FSQRT_D, match_opcode, 0 },
+{"fmin.d", "D", "D,S,T", MATCH_FMIN_D, MASK_FMIN_D, match_opcode, 0 },
+{"fmax.d", "D", "D,S,T", MATCH_FMAX_D, MASK_FMAX_D, match_opcode, 0 },
+{"fmadd.d", "D", "D,S,T,R", MATCH_FMADD_D | MASK_RM, MASK_FMADD_D | MASK_RM, match_opcode, 0 },
+{"fmadd.d", "D", "D,S,T,R,m", MATCH_FMADD_D, MASK_FMADD_D, match_opcode, 0 },
+{"fnmadd.d", "D", "D,S,T,R", MATCH_FNMADD_D | MASK_RM, MASK_FNMADD_D | MASK_RM, match_opcode, 0 },
+{"fnmadd.d", "D", "D,S,T,R,m", MATCH_FNMADD_D, MASK_FNMADD_D, match_opcode, 0 },
+{"fmsub.d", "D", "D,S,T,R", MATCH_FMSUB_D | MASK_RM, MASK_FMSUB_D | MASK_RM, match_opcode, 0 },
+{"fmsub.d", "D", "D,S,T,R,m", MATCH_FMSUB_D, MASK_FMSUB_D, match_opcode, 0 },
+{"fnmsub.d", "D", "D,S,T,R", MATCH_FNMSUB_D | MASK_RM, MASK_FNMSUB_D | MASK_RM, match_opcode, 0 },
+{"fnmsub.d", "D", "D,S,T,R,m", MATCH_FNMSUB_D, MASK_FNMSUB_D, match_opcode, 0 },
+{"fcvt.w.d", "D", "d,S", MATCH_FCVT_W_D | MASK_RM, MASK_FCVT_W_D | MASK_RM, match_opcode, 0 },
+{"fcvt.w.d", "D", "d,S,m", MATCH_FCVT_W_D, MASK_FCVT_W_D, match_opcode, 0 },
+{"fcvt.wu.d", "D", "d,S", MATCH_FCVT_WU_D | MASK_RM, MASK_FCVT_WU_D | MASK_RM, match_opcode, 0 },
+{"fcvt.wu.d", "D", "d,S,m", MATCH_FCVT_WU_D, MASK_FCVT_WU_D, match_opcode, 0 },
+{"fcvt.d.w", "D", "D,s", MATCH_FCVT_D_W, MASK_FCVT_D_W | MASK_RM, match_opcode, 0 },
+{"fcvt.d.wu", "D", "D,s", MATCH_FCVT_D_WU, MASK_FCVT_D_WU | MASK_RM, match_opcode, 0 },
+{"fcvt.d.s", "D", "D,S", MATCH_FCVT_D_S, MASK_FCVT_D_S | MASK_RM, match_opcode, 0 },
+{"fcvt.s.d", "D", "D,S", MATCH_FCVT_S_D | MASK_RM, MASK_FCVT_S_D | MASK_RM, match_opcode, 0 },
+{"fcvt.s.d", "D", "D,S,m", MATCH_FCVT_S_D, MASK_FCVT_S_D, match_opcode, 0 },
+{"fclass.d", "D", "d,S", MATCH_FCLASS_D, MASK_FCLASS_D, match_opcode, 0 },
+{"feq.d", "D", "d,S,T", MATCH_FEQ_D, MASK_FEQ_D, match_opcode, 0 },
+{"flt.d", "D", "d,S,T", MATCH_FLT_D, MASK_FLT_D, match_opcode, 0 },
+{"fle.d", "D", "d,S,T", MATCH_FLE_D, MASK_FLE_D, match_opcode, 0 },
+{"fgt.d", "D", "d,T,S", MATCH_FLT_D, MASK_FLT_D, match_opcode, 0 },
+{"fge.d", "D", "d,T,S", MATCH_FLE_D, MASK_FLE_D, match_opcode, 0 },
+{"fmv.x.d", "64D", "d,S", MATCH_FMV_X_D, MASK_FMV_X_D, match_opcode, 0 },
+{"fmv.d.x", "64D", "D,s", MATCH_FMV_D_X, MASK_FMV_D_X, match_opcode, 0 },
+{"fcvt.l.d", "64D", "d,S", MATCH_FCVT_L_D | MASK_RM, MASK_FCVT_L_D | MASK_RM, match_opcode, 0 },
+{"fcvt.l.d", "64D", "d,S,m", MATCH_FCVT_L_D, MASK_FCVT_L_D, match_opcode, 0 },
+{"fcvt.lu.d", "64D", "d,S", MATCH_FCVT_LU_D | MASK_RM, MASK_FCVT_LU_D | MASK_RM, match_opcode, 0 },
+{"fcvt.lu.d", "64D", "d,S,m", MATCH_FCVT_LU_D, MASK_FCVT_LU_D, match_opcode, 0 },
+{"fcvt.d.l", "64D", "D,s", MATCH_FCVT_D_L | MASK_RM, MASK_FCVT_D_L | MASK_RM, match_opcode, 0 },
+{"fcvt.d.l", "64D", "D,s,m", MATCH_FCVT_D_L, MASK_FCVT_D_L, match_opcode, 0 },
+{"fcvt.d.lu", "64D", "D,s", MATCH_FCVT_D_LU | MASK_RM, MASK_FCVT_D_L | MASK_RM, match_opcode, 0 },
+{"fcvt.d.lu", "64D", "D,s,m", MATCH_FCVT_D_LU, MASK_FCVT_D_LU, match_opcode, 0 },
+
+/* Compressed instructions. */
+{"c.ebreak", "C", "", MATCH_C_EBREAK, MASK_C_EBREAK, match_opcode, 0 },
+{"c.jr", "C", "d", MATCH_C_JR, MASK_C_JR, match_rd_nonzero, 0 },
+{"c.jalr", "C", "d", MATCH_C_JALR, MASK_C_JALR, match_rd_nonzero, 0 },
+{"c.j", "C", "Ca", MATCH_C_J, MASK_C_J, match_opcode, 0 },
+{"c.jal", "32C", "Ca", MATCH_C_JAL, MASK_C_JAL, match_opcode, 0 },
+{"c.beqz", "C", "Cs,Cp", MATCH_C_BEQZ, MASK_C_BEQZ, match_opcode, 0 },
+{"c.bnez", "C", "Cs,Cp", MATCH_C_BNEZ, MASK_C_BNEZ, match_opcode, 0 },
+{"c.lwsp", "C", "d,Cm(Cc)", MATCH_C_LWSP, MASK_C_LWSP, match_rd_nonzero, 0 },
+{"c.lw", "C", "Ct,Ck(Cs)", MATCH_C_LW, MASK_C_LW, match_opcode, 0 },
+{"c.swsp", "C", "CV,CM(Cc)", MATCH_C_SWSP, MASK_C_SWSP, match_opcode, 0 },
+{"c.sw", "C", "Ct,Ck(Cs)", MATCH_C_SW, MASK_C_SW, match_opcode, 0 },
+{"c.nop", "C", "", MATCH_C_ADDI, 0xffff, match_opcode, 0 },
+{"c.mv", "C", "d,CV", MATCH_C_MV, MASK_C_MV, match_c_add, 0 },
+{"c.lui", "C", "d,Cu", MATCH_C_LUI, MASK_C_LUI, match_c_lui, 0 },
+{"c.li", "C", "d,Cj", MATCH_C_LI, MASK_C_LI, match_rd_nonzero, 0 },
+{"c.addi4spn","C", "Ct,Cc,CK", MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN, match_opcode, 0 },
+{"c.addi16sp","C", "Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_opcode, 0 },
+{"c.addi", "C", "d,Cj", MATCH_C_ADDI, MASK_C_ADDI, match_rd_nonzero, 0 },
+{"c.add", "C", "d,CV", MATCH_C_ADD, MASK_C_ADD, match_c_add, 0 },
+{"c.sub", "C", "Cs,Ct", MATCH_C_SUB, MASK_C_SUB, match_opcode, 0 },
+{"c.and", "C", "Cs,Ct", MATCH_C_AND, MASK_C_AND, match_opcode, 0 },
+{"c.or", "C", "Cs,Ct", MATCH_C_OR, MASK_C_OR, match_opcode, 0 },
+{"c.xor", "C", "Cs,Ct", MATCH_C_XOR, MASK_C_XOR, match_opcode, 0 },
+{"c.slli", "C", "d,C>", MATCH_C_SLLI, MASK_C_SLLI, match_rd_nonzero, 0 },
+{"c.srli", "C", "Cs,C>", MATCH_C_SRLI, MASK_C_SRLI, match_opcode, 0 },
+{"c.srai", "C", "Cs,C>", MATCH_C_SRAI, MASK_C_SRAI, match_opcode, 0 },
+{"c.andi", "C", "Cs,Cj", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, 0 },
+{"c.addiw", "64C", "d,Cj", MATCH_C_ADDIW, MASK_C_ADDIW, match_rd_nonzero, 0 },
+{"c.addw", "64C", "Cs,Ct", MATCH_C_ADDW, MASK_C_ADDW, match_opcode, 0 },
+{"c.subw", "64C", "Cs,Ct", MATCH_C_SUBW, MASK_C_SUBW, match_opcode, 0 },
+{"c.ldsp", "64C", "d,Cn(Cc)", MATCH_C_LDSP, MASK_C_LDSP, match_rd_nonzero, 0 },
+{"c.ld", "64C", "Ct,Cl(Cs)", MATCH_C_LD, MASK_C_LD, match_opcode, 0 },
+{"c.sdsp", "64C", "CV,CN(Cc)", MATCH_C_SDSP, MASK_C_SDSP, match_opcode, 0 },
+{"c.sd", "64C", "Ct,Cl(Cs)", MATCH_C_SD, MASK_C_SD, match_opcode, 0 },
+{"c.fldsp", "C", "D,Cn(Cc)", MATCH_C_FLDSP, MASK_C_FLDSP, match_opcode, 0 },
+{"c.fld", "C", "CD,Cl(Cs)", MATCH_C_FLD, MASK_C_FLD, match_opcode, 0 },
+{"c.fsdsp", "C", "CT,CN(Cc)", MATCH_C_FSDSP, MASK_C_FSDSP, match_opcode, 0 },
+{"c.fsd", "C", "CD,Cl(Cs)", MATCH_C_FSD, MASK_C_FSD, match_opcode, 0 },
+{"c.flwsp", "32C", "D,Cm(Cc)", MATCH_C_FLWSP, MASK_C_FLWSP, match_opcode, 0 },
+{"c.flw", "32C", "CD,Ck(Cs)", MATCH_C_FLW, MASK_C_FLW, match_opcode, 0 },
+{"c.fswsp", "32C", "CT,CM(Cc)", MATCH_C_FSWSP, MASK_C_FSWSP, match_opcode, 0 },
+{"c.fsw", "32C", "CD,Ck(Cs)", MATCH_C_FSW, MASK_C_FSW, match_opcode, 0 },
+
+/* Supervisor instructions */
+{"csrr", "I", "d,E", MATCH_CSRRS, MASK_CSRRS | MASK_RS1, match_opcode, 0 },
+{"csrwi", "I", "E,Z", MATCH_CSRRWI, MASK_CSRRWI | MASK_RD, match_opcode, 0 },
+{"csrw", "I", "E,s", MATCH_CSRRW, MASK_CSRRW | MASK_RD, match_opcode, 0 },
+{"csrw", "I", "E,Z", MATCH_CSRRWI, MASK_CSRRWI | MASK_RD, match_opcode, 0 },
+{"csrsi", "I", "E,Z", MATCH_CSRRSI, MASK_CSRRSI | MASK_RD, match_opcode, 0 },
+{"csrs", "I", "E,s", MATCH_CSRRS, MASK_CSRRS | MASK_RD, match_opcode, 0 },
+{"csrs", "I", "E,Z", MATCH_CSRRSI, MASK_CSRRSI | MASK_RD, match_opcode, 0 },
+{"csrci", "I", "E,Z", MATCH_CSRRCI, MASK_CSRRCI | MASK_RD, match_opcode, 0 },
+{"csrc", "I", "E,s", MATCH_CSRRC, MASK_CSRRC | MASK_RD, match_opcode, 0 },
+{"csrc", "I", "E,Z", MATCH_CSRRCI, MASK_CSRRCI | MASK_RD, match_opcode, 0 },
+{"csrrw", "I", "d,E,s", MATCH_CSRRW, MASK_CSRRW, match_opcode, 0 },
+{"csrrw", "I", "d,E,Z", MATCH_CSRRWI, MASK_CSRRWI, match_opcode, 0 },
+{"csrrs", "I", "d,E,s", MATCH_CSRRS, MASK_CSRRS, match_opcode, 0 },
+{"csrrs", "I", "d,E,Z", MATCH_CSRRSI, MASK_CSRRSI, match_opcode, 0 },
+{"csrrc", "I", "d,E,s", MATCH_CSRRC, MASK_CSRRC, match_opcode, 0 },
+{"csrrc", "I", "d,E,Z", MATCH_CSRRCI, MASK_CSRRCI, match_opcode, 0 },
+{"csrrwi", "I", "d,E,Z", MATCH_CSRRWI, MASK_CSRRWI, match_opcode, 0 },
+{"csrrsi", "I", "d,E,Z", MATCH_CSRRSI, MASK_CSRRSI, match_opcode, 0 },
+{"csrrci", "I", "d,E,Z", MATCH_CSRRCI, MASK_CSRRCI, match_opcode, 0 },
+{"uret", "I", "", MATCH_URET, MASK_URET, match_opcode, 0 },
+{"sret", "I", "", MATCH_SRET, MASK_SRET, match_opcode, 0 },
+{"hret", "I", "", MATCH_HRET, MASK_HRET, match_opcode, 0 },
+{"mret", "I", "", MATCH_MRET, MASK_MRET, match_opcode, 0 },
+{"dret", "I", "", MATCH_DRET, MASK_DRET, match_opcode, 0 },
+{"sfence.vm", "I", "", MATCH_SFENCE_VM, MASK_SFENCE_VM | MASK_RS1, match_opcode, 0 },
+{"sfence.vm", "I", "s", MATCH_SFENCE_VM, MASK_SFENCE_VM, match_opcode, 0 },
+{"wfi", "I", "", MATCH_WFI, MASK_WFI, match_opcode, 0 },
+
+/* Terminate the list. */
+{0, 0, 0, 0, 0, 0, 0}
+};
projects / binutils-gdb.git / commitdiff