Currently only in bfd and binutils.
ChangeLog/
* configure.ac: Add aarch64-*-darwin* and arm-*-darwin*.
* configure: Regenerate.
bfd/ChangeLog/
* targets.c (aarch64_mach_o_vec, arm_mach_o_vec): Declare.
(_bfd_target_vector): Add new vectors.
* reloc.c (BFD_RELOC_MACH_O_SUBTRACTOR32)
(BFD_RELOC_MACH_O_SUBTRACTOR64, BFD_RELOC_MACH_O_ARM64_ADDEND)
(BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGE21)
(BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12)
(BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT): New relocations.
(BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32)
(BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64): Remove.
* mach-o-x86-64.c (bfd_mach_o_x86_64_swap_reloc_out): Change
name of subtractor relocations.
* config.bfd: Handle aarch64-*-darwin*, arm-*-darwin*.
* Makefile.am (BFD32_BACKENDS): Add mach-o-arm.lo.
(BFD32_BACKENDS_CFILES): Add mach-o-arm.c.
(BFD64_BACKENDS): Add mach-o-aarch64.lo.
(BFD64_BACKENDS_CFILES): Add mach-o-aarch64.c.
* configure.ac: Handle aarch64_mach_o_vec and arm_mach_o_vec.
* mach-o-aarch64.c: New file.
* mach-o-arm.c: New file.
* Makefile.in: Regenerate.
* bfd-in2.h: Regenerate.
* configure: Regenerate.
* libbfd.h: Regenerate.
+2015-11-20 Tristan Gingold <gingold@adacore.com>
+
+ * configure.ac: Add aarch64-*-darwin* and arm-*-darwin*.
+ * configure: Regenerate.
+
2015-10-21 Nick Clifton <nickc@redhat.com>
PR gas/19109
+2015-11-20 Tristan Gingold <gingold@adacore.com>
+
+ * targets.c (aarch64_mach_o_vec, arm_mach_o_vec): Declare.
+ (_bfd_target_vector): Add new vectors.
+ * reloc.c (BFD_RELOC_MACH_O_SUBTRACTOR32)
+ (BFD_RELOC_MACH_O_SUBTRACTOR64, BFD_RELOC_MACH_O_ARM64_ADDEND)
+ (BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGE21)
+ (BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12)
+ (BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT): New relocations.
+ (BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32)
+ (BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64): Remove.
+ * mach-o-x86-64.c (bfd_mach_o_x86_64_swap_reloc_out): Change
+ name of subtractor relocations.
+ * config.bfd: Handle aarch64-*-darwin*, arm-*-darwin*.
+ * Makefile.am (BFD32_BACKENDS): Add mach-o-arm.lo.
+ (BFD32_BACKENDS_CFILES): Add mach-o-arm.c.
+ (BFD64_BACKENDS): Add mach-o-aarch64.lo.
+ (BFD64_BACKENDS_CFILES): Add mach-o-aarch64.c.
+ * configure.ac: Handle aarch64_mach_o_vec and arm_mach_o_vec.
+ * mach-o-aarch64.c: New file.
+ * mach-o-arm.c: New file.
+ * Makefile.in: Regenerate.
+ * bfd-in2.h: Regenerate.
+ * configure: Regenerate.
+ * libbfd.h: Regenerate.
+
2015-11-20 David Bridgham <dab@froghouse.org>
* pdp11.c (TARGET_PAGE_SIZE): Set to 256 to match definition in
m88kopenbsd.lo \
mach-o.lo \
mach-o-i386.lo \
+ mach-o-arm.lo \
mipsbsd.lo \
newsos3.lo \
nlm.lo \
m88kopenbsd.c \
mach-o.c \
mach-o-i386.c \
+ mach-o-arm.c \
mipsbsd.c \
newsos3.c \
nlm.c \
elfn32-mips.lo \
elfxx-ia64.lo \
elfxx-mips.lo \
+ mach-o-aarch64.lo \
mach-o-x86-64.lo \
mmo.lo \
nlm32-alpha.lo \
elfxx-aarch64.c \
elfxx-ia64.c \
elfxx-mips.c \
+ mach-o-aarch64.c \
mach-o-x86-64.c \
mmo.c \
nlm32-alpha.c \
m88kopenbsd.lo \
mach-o.lo \
mach-o-i386.lo \
+ mach-o-arm.lo \
mipsbsd.lo \
newsos3.lo \
nlm.lo \
m88kopenbsd.c \
mach-o.c \
mach-o-i386.c \
+ mach-o-arm.c \
mipsbsd.c \
newsos3.c \
nlm.c \
elfn32-mips.lo \
elfxx-ia64.lo \
elfxx-mips.lo \
+ mach-o-aarch64.lo \
mach-o-x86-64.lo \
mmo.lo \
nlm32-alpha.lo \
elfxx-aarch64.c \
elfxx-ia64.c \
elfxx-mips.c \
+ mach-o-aarch64.c \
mach-o-x86-64.c \
mmo.c \
nlm32-alpha.c \
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/m68knetbsd.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/m88kmach3.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/m88kopenbsd.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mach-o-aarch64.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mach-o-arm.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mach-o-i386.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mach-o-x86-64.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mach-o.Plo@am__quote@
/* Pair of relocation. Contains the first symbol. */
BFD_RELOC_MACH_O_PAIR,
+/* Symbol will be substracted. Must be followed by a BFD_RELOC_32. */
+ BFD_RELOC_MACH_O_SUBTRACTOR32,
+
+/* Symbol will be substracted. Must be followed by a BFD_RELOC_64. */
+ BFD_RELOC_MACH_O_SUBTRACTOR64,
+
/* PCREL relocations. They are marked as branch to create PLT entry if
required. */
BFD_RELOC_MACH_O_X86_64_BRANCH32,
the linker could optimize the movq to a leaq if possible. */
BFD_RELOC_MACH_O_X86_64_GOT_LOAD,
-/* Symbol will be substracted. Must be followed by a BFD_RELOC_64. */
- BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32,
-
-/* Symbol will be substracted. Must be followed by a BFD_RELOC_64. */
- BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64,
-
/* Same as BFD_RELOC_32_PCREL but with an implicit -1 addend. */
BFD_RELOC_MACH_O_X86_64_PCREL32_1,
/* Same as BFD_RELOC_32_PCREL but with an implicit -4 addend. */
BFD_RELOC_MACH_O_X86_64_PCREL32_4,
+/* Addend for PAGE or PAGEOFF. */
+ BFD_RELOC_MACH_O_ARM64_ADDEND,
+
+/* Relative offset to page of GOT slot. */
+ BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGE21,
+
+/* Relative offset within page of GOT slot. */
+ BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12,
+
+/* Address of a GOT entry. */
+ BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT,
+
/* This is a 32 bit reloc for the microblaze that stores the
low 16 bits of a value */
BFD_RELOC_MICROBLAZE_32_LO,
# START OF targmatch.h
#ifdef BFD64
+ aarch64-*-darwin*)
+ targ_defvec=aarch64_mach_o_vec
+ targ_selvecs="arm_mach_o_vec mach_o_le_vec mach_o_be_vec mach_o_fat_vec"
+ targ_archs="$targ_archs bfd_i386_arch bfd_powerpc_arch bfd_rs6000_arch"
+ want64=true
+ ;;
aarch64-*-elf)
targ_defvec=aarch64_elf64_le_vec
targ_selvecs="aarch64_elf64_be_vec aarch64_elf32_le_vec aarch64_elf32_be_vec arm_elf32_le_vec arm_elf32_be_vec"
targ_selvecs=arc_elf32_be_vec
;;
+ arm-*-darwin*)
+ targ_defvec=arm_mach_o_vec
+ targ_selvecs="mach_o_le_vec mach_o_be_vec mach_o_fat_vec"
+ targ_archs="$targ_archs bfd_i386_arch bfd_powerpc_arch bfd_rs6000_arch"
+ ;;
arm-*-nacl*)
targ_defvec=arm_elf32_nacl_le_vec
targ_selvecs="arm_elf32_nacl_be_vec i386_elf32_nacl_vec"
aarch64_elf64_be_cloudabi_vec) tb="$tb elf64-aarch64.lo elfxx-aarch64.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
aarch64_elf64_le_vec) tb="$tb elf64-aarch64.lo elfxx-aarch64.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
aarch64_elf64_le_cloudabi_vec) tb="$tb elf64-aarch64.lo elfxx-aarch64.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
+ aarch64_mach_o_vec) tb="$tb mach-o-aarch64.lo"; target_size=64 ;;
alpha_ecoff_le_vec) tb="$tb coff-alpha.lo ecoff.lo $ecoff"; target_size=64 ;;
alpha_elf64_vec) tb="$tb elf64-alpha.lo elf64.lo $elf"; target_size=64 ;;
alpha_elf64_fbsd_vec) tb="$tb elf64-alpha.lo elf64.lo $elf"; target_size=64 ;;
arm_pei_epoc_le_vec) tb="$tb epoc-pei-arm.lo peigen.lo $coff" ;;
arm_pei_wince_be_vec) tb="$tb pei-arm-wince.lo pei-arm.lo peigen.lo $coff" ;;
arm_pei_wince_le_vec) tb="$tb pei-arm-wince.lo pei-arm.lo peigen.lo $coff" ;;
+ arm_mach_o_vec) tb="$tb mach-o-arm.lo" ;;
avr_elf32_vec) tb="$tb elf32-avr.lo elf32.lo $elf" ;;
bfin_elf32_vec) tb="$tb elf32-bfin.lo elf32.lo $elf" ;;
bfin_elf32_fdpic_vec) tb="$tb elf32-bfin.lo elf32.lo $elf" ;;
aarch64_elf64_be_cloudabi_vec) tb="$tb elf64-aarch64.lo elfxx-aarch64.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
aarch64_elf64_le_vec) tb="$tb elf64-aarch64.lo elfxx-aarch64.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
aarch64_elf64_le_cloudabi_vec) tb="$tb elf64-aarch64.lo elfxx-aarch64.lo elf-ifunc.lo elf64.lo $elf"; target_size=64 ;;
+ aarch64_mach_o_vec) tb="$tb mach-o-aarch64.lo"; target_size=64 ;;
alpha_ecoff_le_vec) tb="$tb coff-alpha.lo ecoff.lo $ecoff"; target_size=64 ;;
alpha_elf64_vec) tb="$tb elf64-alpha.lo elf64.lo $elf"; target_size=64 ;;
alpha_elf64_fbsd_vec) tb="$tb elf64-alpha.lo elf64.lo $elf"; target_size=64 ;;
arm_pei_epoc_le_vec) tb="$tb epoc-pei-arm.lo peigen.lo $coff" ;;
arm_pei_wince_be_vec) tb="$tb pei-arm-wince.lo pei-arm.lo peigen.lo $coff" ;;
arm_pei_wince_le_vec) tb="$tb pei-arm-wince.lo pei-arm.lo peigen.lo $coff" ;;
+ arm_mach_o_vec) tb="$tb mach-o-arm.lo" ;;
avr_elf32_vec) tb="$tb elf32-avr.lo elf32.lo $elf" ;;
bfin_elf32_vec) tb="$tb elf32-bfin.lo elf32.lo $elf" ;;
bfin_elf32_fdpic_vec) tb="$tb elf32-bfin.lo elf32.lo $elf" ;;
"BFD_RELOC_MACH_O_SECTDIFF",
"BFD_RELOC_MACH_O_LOCAL_SECTDIFF",
"BFD_RELOC_MACH_O_PAIR",
+ "BFD_RELOC_MACH_O_SUBTRACTOR32",
+ "BFD_RELOC_MACH_O_SUBTRACTOR64",
"BFD_RELOC_MACH_O_X86_64_BRANCH32",
"BFD_RELOC_MACH_O_X86_64_BRANCH8",
"BFD_RELOC_MACH_O_X86_64_GOT",
"BFD_RELOC_MACH_O_X86_64_GOT_LOAD",
- "BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32",
- "BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64",
"BFD_RELOC_MACH_O_X86_64_PCREL32_1",
"BFD_RELOC_MACH_O_X86_64_PCREL32_2",
"BFD_RELOC_MACH_O_X86_64_PCREL32_4",
+ "BFD_RELOC_MACH_O_ARM64_ADDEND",
+ "BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGE21",
+ "BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12",
+ "BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT",
"BFD_RELOC_MICROBLAZE_32_LO",
"BFD_RELOC_MICROBLAZE_32_LO_PCREL",
"BFD_RELOC_MICROBLAZE_32_ROSDA",
--- /dev/null
+/* AArch-64 Mach-O support for BFD.
+ Copyright (C) 2015 Free Software Foundation, Inc.
+
+ 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; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "sysdep.h"
+#include "mach-o.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "libiberty.h"
+#include "mach-o/arm64.h"
+
+#define bfd_mach_o_object_p bfd_mach_o_arm64_object_p
+#define bfd_mach_o_core_p bfd_mach_o_arm64_core_p
+#define bfd_mach_o_mkobject bfd_mach_o_arm64_mkobject
+
+#define bfd_mach_o_canonicalize_one_reloc \
+ bfd_mach_o_arm64_canonicalize_one_reloc
+#define bfd_mach_o_swap_reloc_out NULL
+
+#define bfd_mach_o_bfd_reloc_type_lookup bfd_mach_o_arm64_bfd_reloc_type_lookup
+#define bfd_mach_o_bfd_reloc_name_lookup bfd_mach_o_arm64_bfd_reloc_name_lookup
+
+#define bfd_mach_o_print_thread NULL
+#define bfd_mach_o_tgt_seg_table NULL
+#define bfd_mach_o_section_type_valid_for_tgt NULL
+
+static const bfd_target *
+bfd_mach_o_arm64_object_p (bfd *abfd)
+{
+ return bfd_mach_o_header_p (abfd, 0, 0, BFD_MACH_O_CPU_TYPE_ARM64);
+}
+
+static const bfd_target *
+bfd_mach_o_arm64_core_p (bfd *abfd)
+{
+ return bfd_mach_o_header_p (abfd, 0,
+ BFD_MACH_O_MH_CORE, BFD_MACH_O_CPU_TYPE_ARM64);
+}
+
+static bfd_boolean
+bfd_mach_o_arm64_mkobject (bfd *abfd)
+{
+ bfd_mach_o_data_struct *mdata;
+
+ if (!bfd_mach_o_mkobject_init (abfd))
+ return FALSE;
+
+ mdata = bfd_mach_o_get_data (abfd);
+ mdata->header.magic = BFD_MACH_O_MH_MAGIC;
+ mdata->header.cputype = BFD_MACH_O_CPU_TYPE_ARM64;
+ mdata->header.cpusubtype = BFD_MACH_O_CPU_SUBTYPE_ARM64_ALL;
+ mdata->header.byteorder = BFD_ENDIAN_LITTLE;
+ mdata->header.version = 1;
+
+ return TRUE;
+}
+
+/* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
+#define MINUS_ONE (~ (bfd_vma) 0)
+
+static reloc_howto_type arm64_howto_table[]=
+{
+ /* 0 */
+ HOWTO (BFD_RELOC_64, 0, 4, 64, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "64",
+ FALSE, MINUS_ONE, MINUS_ONE, FALSE),
+ HOWTO (BFD_RELOC_32, 0, 2, 32, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "32",
+ FALSE, 0xffffffff, 0xffffffff, FALSE),
+ HOWTO (BFD_RELOC_16, 0, 1, 16, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "16",
+ FALSE, 0xffff, 0xffff, FALSE),
+ HOWTO (BFD_RELOC_8, 0, 0, 8, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "8",
+ FALSE, 0xff, 0xff, FALSE),
+ /* 4 */
+ HOWTO (BFD_RELOC_64_PCREL, 0, 4, 64, TRUE, 0,
+ complain_overflow_bitfield,
+ NULL, "DISP64",
+ FALSE, MINUS_ONE, MINUS_ONE, TRUE),
+ HOWTO (BFD_RELOC_32_PCREL, 0, 2, 32, TRUE, 0,
+ complain_overflow_bitfield,
+ NULL, "DISP32",
+ FALSE, 0xffffffff, 0xffffffff, TRUE),
+ HOWTO (BFD_RELOC_16_PCREL, 0, 1, 16, TRUE, 0,
+ complain_overflow_bitfield,
+ NULL, "DISP16",
+ FALSE, 0xffff, 0xffff, TRUE),
+ HOWTO (BFD_RELOC_AARCH64_CALL26, 0, 2, 26, TRUE, 0,
+ complain_overflow_bitfield,
+ NULL, "BRANCH26",
+ FALSE, 0x03ffffff, 0x03ffffff, TRUE),
+ /* 8 */
+ HOWTO (BFD_RELOC_AARCH64_ADR_HI21_PCREL, 12, 2, 21, TRUE, 0,
+ complain_overflow_signed,
+ NULL, "PAGE21",
+ FALSE, 0x1fffff, 0x1fffff, TRUE),
+ HOWTO (BFD_RELOC_AARCH64_LDST16_LO12, 1, 2, 12, TRUE, 0,
+ complain_overflow_signed,
+ NULL, "PGOFF12",
+ FALSE, 0xffe, 0xffe, TRUE),
+ HOWTO (BFD_RELOC_MACH_O_ARM64_ADDEND, 0, 2, 32, FALSE, 0,
+ complain_overflow_signed,
+ NULL, "ADDEND",
+ FALSE, 0xffffffff, 0xffffffff, FALSE),
+ HOWTO (BFD_RELOC_MACH_O_SUBTRACTOR32, 0, 2, 32, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "SUBTRACTOR32",
+ FALSE, 0xffffffff, 0xffffffff, FALSE),
+ /* 12 */
+ HOWTO (BFD_RELOC_MACH_O_SUBTRACTOR64, 0, 4, 64, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "SUBTRACTOR64",
+ FALSE, MINUS_ONE, MINUS_ONE, FALSE),
+ HOWTO (BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGE21, 12, 2, 21, TRUE, 0,
+ complain_overflow_signed,
+ NULL, "GOT_LD_PG21",
+ FALSE, 0x1fffff, 0x1fffff, TRUE),
+ HOWTO (BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12, 1, 2, 12, TRUE, 0,
+ complain_overflow_signed,
+ NULL, "GOT_LD_PGOFF12",
+ FALSE, 0xffe, 0xffe, TRUE),
+ HOWTO (BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT, 0, 2, 32, TRUE, 0,
+ complain_overflow_bitfield,
+ NULL, "PTR_TO_GOT",
+ FALSE, 0xffffffff, 0xffffffff, TRUE),
+};
+
+static bfd_boolean
+bfd_mach_o_arm64_canonicalize_one_reloc (bfd *abfd,
+ struct mach_o_reloc_info_external *raw,
+ arelent *res, asymbol **syms)
+{
+ bfd_mach_o_reloc_info reloc;
+
+ res->address = bfd_get_32 (abfd, raw->r_address);
+ if (res->address & BFD_MACH_O_SR_SCATTERED)
+ {
+ /* Only non-scattered relocations. */
+ return FALSE;
+ }
+
+ /* The value and info fields have to be extracted dependent on target
+ endian-ness. */
+ bfd_mach_o_swap_in_non_scattered_reloc (abfd, &reloc, raw->r_symbolnum);
+
+ if (reloc.r_type == BFD_MACH_O_ARM64_RELOC_ADDEND)
+ {
+ if (reloc.r_length == 2 && reloc.r_pcrel == 0)
+ {
+ res->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
+ res->addend = reloc.r_value;
+ res->howto = &arm64_howto_table[10];
+ return TRUE;
+ }
+ return FALSE;
+ }
+
+ if (!bfd_mach_o_canonicalize_non_scattered_reloc (abfd, &reloc, res, syms))
+ return FALSE;
+
+ switch (reloc.r_type)
+ {
+ case BFD_MACH_O_ARM64_RELOC_UNSIGNED:
+ switch ((reloc.r_length << 1) | reloc.r_pcrel)
+ {
+ case 0: /* len = 0, pcrel = 0 */
+ res->howto = &arm64_howto_table[3];
+ return TRUE;
+ case 2: /* len = 1, pcrel = 0 */
+ res->howto = &arm64_howto_table[2];
+ return TRUE;
+ case 3: /* len = 1, pcrel = 1 */
+ res->howto = &arm64_howto_table[6];
+ return TRUE;
+ case 4: /* len = 2, pcrel = 0 */
+ res->howto = &arm64_howto_table[1];
+ return TRUE;
+ case 5: /* len = 2, pcrel = 1 */
+ res->howto = &arm64_howto_table[5];
+ return TRUE;
+ case 6: /* len = 3, pcrel = 0 */
+ res->howto = &arm64_howto_table[0];
+ return TRUE;
+ case 7: /* len = 3, pcrel = 1 */
+ res->howto = &arm64_howto_table[4];
+ return TRUE;
+ default:
+ return FALSE;
+ }
+ break;
+ case BFD_MACH_O_ARM64_RELOC_SUBTRACTOR:
+ if (reloc.r_pcrel)
+ return FALSE;
+ switch (reloc.r_length)
+ {
+ case 2:
+ res->howto = &arm64_howto_table[11];
+ return TRUE;
+ case 3:
+ res->howto = &arm64_howto_table[12];
+ return TRUE;
+ default:
+ return FALSE;
+ }
+ break;
+ case BFD_MACH_O_ARM64_RELOC_BRANCH26:
+ if (reloc.r_length == 2 && reloc.r_pcrel == 1)
+ {
+ res->howto = &arm64_howto_table[7];
+ return TRUE;
+ }
+ break;
+ case BFD_MACH_O_ARM64_RELOC_PAGE21:
+ if (reloc.r_length == 2 && reloc.r_pcrel == 1)
+ {
+ res->howto = &arm64_howto_table[8];
+ return TRUE;
+ }
+ break;
+ case BFD_MACH_O_ARM64_RELOC_PAGEOFF12:
+ if (reloc.r_length == 2 && reloc.r_pcrel == 0)
+ {
+ res->howto = &arm64_howto_table[9];
+ return TRUE;
+ }
+ break;
+ case BFD_MACH_O_ARM64_RELOC_GOT_LOAD_PAGE21:
+ if (reloc.r_length == 2 && reloc.r_pcrel == 1)
+ {
+ res->howto = &arm64_howto_table[13];
+ return TRUE;
+ }
+ break;
+ case BFD_MACH_O_ARM64_RELOC_GOT_LOAD_PAGEOFF12:
+ if (reloc.r_length == 2 && reloc.r_pcrel == 0)
+ {
+ res->howto = &arm64_howto_table[14];
+ return TRUE;
+ }
+ break;
+ case BFD_MACH_O_ARM64_RELOC_POINTER_TO_GOT:
+ if (reloc.r_length == 2 && reloc.r_pcrel == 1)
+ {
+ res->howto = &arm64_howto_table[15];
+ return TRUE;
+ }
+ break;
+ default:
+ break;
+ }
+ return FALSE;
+}
+
+static reloc_howto_type *
+bfd_mach_o_arm64_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (arm64_howto_table) / sizeof (*arm64_howto_table);
+ i++)
+ if (code == arm64_howto_table[i].type)
+ return &arm64_howto_table[i];
+ return NULL;
+}
+
+static reloc_howto_type *
+bfd_mach_o_arm64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+#define TARGET_NAME aarch64_mach_o_vec
+#define TARGET_STRING "mach-o-arm64"
+#define TARGET_ARCHITECTURE bfd_arch_aarch64
+#define TARGET_PAGESIZE 4096
+#define TARGET_BIG_ENDIAN 0
+#define TARGET_ARCHIVE 0
+#define TARGET_PRIORITY 0
+#include "mach-o-target.c"
+
+#undef TARGET_NAME
+#undef TARGET_STRING
+#undef TARGET_ARCHIVE
+#undef TARGET_PRIORITY
--- /dev/null
+/* ARM Mach-O support for BFD.
+ Copyright (C) 2015 Free Software Foundation, Inc.
+
+ 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; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "sysdep.h"
+#include "mach-o.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "libiberty.h"
+#include "mach-o/arm.h"
+
+#define bfd_mach_o_object_p bfd_mach_o_arm_object_p
+#define bfd_mach_o_core_p bfd_mach_o_arm_core_p
+#define bfd_mach_o_mkobject bfd_mach_o_arm_mkobject
+
+#define bfd_mach_o_canonicalize_one_reloc bfd_mach_o_arm_canonicalize_one_reloc
+#define bfd_mach_o_swap_reloc_out NULL
+#define bfd_mach_o_bfd_reloc_type_lookup bfd_mach_o_arm_bfd_reloc_type_lookup
+#define bfd_mach_o_bfd_reloc_name_lookup bfd_mach_o_arm_bfd_reloc_name_lookup
+
+#define bfd_mach_o_print_thread NULL
+#define bfd_mach_o_tgt_seg_table NULL
+#define bfd_mach_o_section_type_valid_for_tgt NULL
+
+static const bfd_target *
+bfd_mach_o_arm_object_p (bfd *abfd)
+{
+ return bfd_mach_o_header_p (abfd, 0, 0, BFD_MACH_O_CPU_TYPE_ARM);
+}
+
+static const bfd_target *
+bfd_mach_o_arm_core_p (bfd *abfd)
+{
+ return bfd_mach_o_header_p (abfd, 0,
+ BFD_MACH_O_MH_CORE, BFD_MACH_O_CPU_TYPE_ARM);
+}
+
+static bfd_boolean
+bfd_mach_o_arm_mkobject (bfd *abfd)
+{
+ bfd_mach_o_data_struct *mdata;
+
+ if (!bfd_mach_o_mkobject_init (abfd))
+ return FALSE;
+
+ mdata = bfd_mach_o_get_data (abfd);
+ mdata->header.magic = BFD_MACH_O_MH_MAGIC;
+ mdata->header.cputype = BFD_MACH_O_CPU_TYPE_ARM;
+ mdata->header.cpusubtype = BFD_MACH_O_CPU_SUBTYPE_ARM_ALL;
+ mdata->header.byteorder = BFD_ENDIAN_LITTLE;
+ mdata->header.version = 1;
+
+ return TRUE;
+}
+
+static reloc_howto_type arm_howto_table[]=
+{
+ /* 0 */
+ HOWTO (BFD_RELOC_32, 0, 2, 32, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "32",
+ FALSE, 0xffffffff, 0xffffffff, FALSE),
+ HOWTO (BFD_RELOC_16, 0, 1, 16, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "16",
+ FALSE, 0xffff, 0xffff, FALSE),
+ HOWTO (BFD_RELOC_8, 0, 0, 8, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "8",
+ FALSE, 0xff, 0xff, FALSE),
+ HOWTO (BFD_RELOC_32_PCREL, 0, 2, 32, TRUE, 0,
+ complain_overflow_bitfield,
+ NULL, "DISP32",
+ FALSE, 0xffffffff, 0xffffffff, TRUE),
+ /* 4 */
+ HOWTO (BFD_RELOC_16_PCREL, 0, 1, 16, TRUE, 0,
+ complain_overflow_bitfield,
+ NULL, "DISP16",
+ FALSE, 0xffff, 0xffff, TRUE),
+ HOWTO (BFD_RELOC_MACH_O_SECTDIFF, 0, 2, 32, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "SECTDIFF_32",
+ FALSE, 0xffffffff, 0xffffffff, FALSE),
+ HOWTO (BFD_RELOC_MACH_O_LOCAL_SECTDIFF, 0, 2, 32, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "LSECTDIFF_32",
+ FALSE, 0xffffffff, 0xffffffff, FALSE),
+ HOWTO (BFD_RELOC_MACH_O_PAIR, 0, 2, 32, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "PAIR_32",
+ FALSE, 0xffffffff, 0xffffffff, FALSE),
+ /* 8 */
+ HOWTO (BFD_RELOC_MACH_O_SECTDIFF, 0, 1, 16, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "SECTDIFF_16",
+ FALSE, 0xffff, 0xffff, FALSE),
+ HOWTO (BFD_RELOC_MACH_O_LOCAL_SECTDIFF, 0, 1, 16, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "LSECTDIFF_16",
+ FALSE, 0xffff, 0xffff, FALSE),
+ HOWTO (BFD_RELOC_MACH_O_PAIR, 0, 1, 16, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "PAIR_16",
+ FALSE, 0xffff, 0xffff, FALSE),
+ HOWTO (BFD_RELOC_ARM_PCREL_CALL, 2, 2, 24, TRUE, 0,
+ complain_overflow_signed,
+ NULL, "BR24",
+ FALSE, 0x00ffffff, 0x00ffffff, TRUE),
+ /* 12 */
+ HOWTO (BFD_RELOC_ARM_MOVW, 0, 2, 16, FALSE, 0,
+ complain_overflow_dont,
+ NULL, "MOVW",
+ FALSE, 0x000f0fff, 0x000f0fff, FALSE),
+ HOWTO (BFD_RELOC_MACH_O_PAIR, 0, 2, 16, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "PAIR_W",
+ FALSE, 0x000f0fff, 0x000f0fff, FALSE),
+ HOWTO (BFD_RELOC_ARM_MOVT, 0, 2, 16, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "MOVT",
+ FALSE, 0x000f0fff, 0x000f0fff, FALSE),
+ HOWTO (BFD_RELOC_MACH_O_PAIR, 0, 2, 16, FALSE, 0,
+ complain_overflow_bitfield,
+ NULL, "PAIR_T",
+ FALSE, 0x000f0fff, 0x000f0fff, FALSE),
+ /* 16 */
+ HOWTO (BFD_RELOC_THUMB_PCREL_BLX, 2, 2, 24, TRUE, 0,
+ complain_overflow_signed,
+ NULL, "TBR22",
+ FALSE, 0x07ff2fff, 0x07ff2fff, TRUE)
+};
+
+static bfd_boolean
+bfd_mach_o_arm_canonicalize_one_reloc (bfd *abfd,
+ struct mach_o_reloc_info_external *raw,
+ arelent *res, asymbol **syms)
+ {
+ bfd_mach_o_reloc_info reloc;
+
+ if (!bfd_mach_o_pre_canonicalize_one_reloc (abfd, raw, &reloc, res, syms))
+ return FALSE;
+
+ if (reloc.r_scattered)
+ {
+ switch (reloc.r_type)
+ {
+ case BFD_MACH_O_ARM_RELOC_PAIR:
+ if (reloc.r_length == 2)
+ {
+ res->howto = &arm_howto_table[7];
+ res->address = res[-1].address;
+ return TRUE;
+ }
+ else if (reloc.r_length == 1)
+ {
+ res->howto = &arm_howto_table[10];
+ res->address = res[-1].address;
+ return TRUE;
+ }
+ return FALSE;
+ case BFD_MACH_O_ARM_RELOC_SECTDIFF:
+ if (reloc.r_length == 2)
+ {
+ res->howto = &arm_howto_table[5];
+ return TRUE;
+ }
+ else if (reloc.r_length == 1)
+ {
+ res->howto = &arm_howto_table[8];
+ return TRUE;
+ }
+ return FALSE;
+ case BFD_MACH_O_ARM_RELOC_LOCAL_SECTDIFF:
+ if (reloc.r_length == 2)
+ {
+ res->howto = &arm_howto_table[6];
+ return TRUE;
+ }
+ else if (reloc.r_length == 1)
+ {
+ res->howto = &arm_howto_table[9];
+ return TRUE;
+ }
+ return FALSE;
+ case BFD_MACH_O_ARM_RELOC_HALF_SECTDIFF:
+ switch (reloc.r_length)
+ {
+ case 2: /* :lower16: for movw arm. */
+ res->howto = &arm_howto_table[12];
+ return TRUE;
+ case 3: /* :upper16: for movt arm. */
+ res->howto = &arm_howto_table[14];
+ return TRUE;
+ }
+ return FALSE;
+ default:
+ return FALSE;
+ }
+ }
+ else
+ {
+ switch (reloc.r_type)
+ {
+ case BFD_MACH_O_ARM_RELOC_VANILLA:
+ switch ((reloc.r_length << 1) | reloc.r_pcrel)
+ {
+ case 0: /* len = 0, pcrel = 0 */
+ res->howto = &arm_howto_table[2];
+ return TRUE;
+ case 2: /* len = 1, pcrel = 0 */
+ res->howto = &arm_howto_table[1];
+ return TRUE;
+ case 3: /* len = 1, pcrel = 1 */
+ res->howto = &arm_howto_table[4];
+ return TRUE;
+ case 4: /* len = 2, pcrel = 0 */
+ res->howto = &arm_howto_table[0];
+ return TRUE;
+ case 5: /* len = 2, pcrel = 1 */
+ res->howto = &arm_howto_table[3];
+ return TRUE;
+ default:
+ return FALSE;
+ }
+ break;
+ case BFD_MACH_O_ARM_RELOC_BR24:
+ if (reloc.r_length == 2 && reloc.r_pcrel == 1)
+ {
+ res->howto = &arm_howto_table[11];
+ return TRUE;
+ }
+ else
+ return FALSE;
+ break;
+ case BFD_MACH_O_THUMB_RELOC_BR22:
+ if (reloc.r_length == 2 && reloc.r_pcrel == 1)
+ {
+ res->howto = &arm_howto_table[16];
+ return TRUE;
+ }
+ else
+ return FALSE;
+ break;
+ case BFD_MACH_O_ARM_RELOC_HALF:
+ if (reloc.r_pcrel == 0)
+ switch (reloc.r_length)
+ {
+ case 0: /* :lower16: for movw arm. */
+ res->howto = &arm_howto_table[12];
+ return TRUE;
+ case 1: /* :upper16: for movt arm. */
+ res->howto = &arm_howto_table[14];
+ return TRUE;
+ }
+ return FALSE;
+ case BFD_MACH_O_ARM_RELOC_PAIR:
+ if (res[-1].howto == &arm_howto_table[12]
+ && reloc.r_length == 0)
+ {
+ /* Pair for :lower16: of movw arm. */
+ res->howto = &arm_howto_table[13];
+ /* This reloc contains the other half in its r_address field. */
+ res[-1].addend += (res->address & 0xffff) << 16;
+ res->address = res[-1].address;
+ return TRUE;
+ }
+ else if (res[-1].howto == &arm_howto_table[14]
+ && reloc.r_length == 1)
+ {
+ /* Pair for :upper16: of movt arm. */
+ res->howto = &arm_howto_table[15];
+ /* This reloc contains the other half in its r_address field. */
+ res[-1].addend += res->address & 0xffff;
+ res->address = res[-1].address;
+ return TRUE;
+ }
+ return FALSE;
+ default:
+ return FALSE;
+ }
+ }
+}
+
+static reloc_howto_type *
+bfd_mach_o_arm_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
+{
+ unsigned int i;
+
+ for (i = 0; i < sizeof (arm_howto_table) / sizeof (*arm_howto_table); i++)
+ if (code == arm_howto_table[i].type)
+ return &arm_howto_table[i];
+ return NULL;
+}
+
+static reloc_howto_type *
+bfd_mach_o_arm_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+#define TARGET_NAME arm_mach_o_vec
+#define TARGET_STRING "mach-o-arm"
+#define TARGET_ARCHITECTURE bfd_arch_arm
+#define TARGET_PAGESIZE 4096
+#define TARGET_BIG_ENDIAN 0
+#define TARGET_ARCHIVE 0
+#define TARGET_PRIORITY 0
+#include "mach-o-target.c"
rinfo->r_pcrel = 1;
rinfo->r_length = 2;
break;
- case BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32:
+ case BFD_RELOC_MACH_O_SUBTRACTOR32:
rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SUBTRACTOR;
rinfo->r_pcrel = 0;
rinfo->r_length = 2;
break;
- case BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64:
+ case BFD_RELOC_MACH_O_SUBTRACTOR64:
rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SUBTRACTOR;
rinfo->r_pcrel = 0;
rinfo->r_length = 3;
BFD_RELOC_MACH_O_PAIR
ENUMDOC
Pair of relocation. Contains the first symbol.
+ENUM
+ BFD_RELOC_MACH_O_SUBTRACTOR32
+ENUMDOC
+ Symbol will be substracted. Must be followed by a BFD_RELOC_32.
+ENUM
+ BFD_RELOC_MACH_O_SUBTRACTOR64
+ENUMDOC
+ Symbol will be substracted. Must be followed by a BFD_RELOC_64.
ENUM
BFD_RELOC_MACH_O_X86_64_BRANCH32
ENUMDOC
Used when loading a GOT entry with movq. It is specially marked so that
the linker could optimize the movq to a leaq if possible.
-ENUM
- BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32
-ENUMDOC
- Symbol will be substracted. Must be followed by a BFD_RELOC_64.
-ENUM
- BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64
-ENUMDOC
- Symbol will be substracted. Must be followed by a BFD_RELOC_64.
ENUM
BFD_RELOC_MACH_O_X86_64_PCREL32_1
ENUMDOC
ENUMDOC
Same as BFD_RELOC_32_PCREL but with an implicit -4 addend.
+
+ENUM
+ BFD_RELOC_MACH_O_ARM64_ADDEND
+ENUMDOC
+ Addend for PAGE or PAGEOFF.
+ENUM
+ BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGE21
+ENUMDOC
+ Relative offset to page of GOT slot.
+ENUM
+ BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12
+ENUMDOC
+ Relative offset within page of GOT slot.
+ENUM
+ BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT
+ENUMDOC
+ Address of a GOT entry.
+
ENUM
BFD_RELOC_MICROBLAZE_32_LO
ENUMDOC
extern const bfd_target aarch64_elf64_be_cloudabi_vec;
extern const bfd_target aarch64_elf64_le_vec;
extern const bfd_target aarch64_elf64_le_cloudabi_vec;
+extern const bfd_target aarch64_mach_o_vec;
extern const bfd_target alpha_ecoff_le_vec;
extern const bfd_target alpha_elf64_vec;
extern const bfd_target alpha_elf64_fbsd_vec;
extern const bfd_target arm_elf32_symbian_le_vec;
extern const bfd_target arm_elf32_vxworks_be_vec;
extern const bfd_target arm_elf32_vxworks_le_vec;
+extern const bfd_target arm_mach_o_vec;
extern const bfd_target arm_pe_be_vec;
extern const bfd_target arm_pe_le_vec;
extern const bfd_target arm_pe_epoc_be_vec;
&aarch64_elf64_be_cloudabi_vec,
&aarch64_elf64_le_vec,
&aarch64_elf64_le_cloudabi_vec,
+ &aarch64_mach_o_vec,
#endif
#ifdef BFD64
&arm_elf32_symbian_le_vec,
&arm_elf32_vxworks_be_vec,
&arm_elf32_vxworks_le_vec,
+ &arm_mach_o_vec,
&arm_pe_be_vec,
&arm_pe_le_vec,
&arm_pe_epoc_be_vec,
case "${target}" in
*-*-chorusos)
;;
+ aarch64-*-darwin*)
+ noconfigdirs="$noconfigdirs ld gas gdb gprof"
+ noconfigdirs="$noconfigdirs sim target-rda"
+ ;;
+ arm-*-darwin*)
+ noconfigdirs="$noconfigdirs ld gas gdb gprof"
+ noconfigdirs="$noconfigdirs sim target-rda"
+ ;;
powerpc-*-darwin*)
noconfigdirs="$noconfigdirs ld gas gdb gprof"
noconfigdirs="$noconfigdirs sim target-rda"
case "${target}" in
*-*-chorusos)
;;
+ aarch64-*-darwin*)
+ noconfigdirs="$noconfigdirs ld gas gdb gprof"
+ noconfigdirs="$noconfigdirs sim target-rda"
+ ;;
+ arm-*-darwin*)
+ noconfigdirs="$noconfigdirs ld gas gdb gprof"
+ noconfigdirs="$noconfigdirs sim target-rda"
+ ;;
powerpc-*-darwin*)
noconfigdirs="$noconfigdirs ld gas gdb gprof"
noconfigdirs="$noconfigdirs sim target-rda"
projects / binutils-gdb.git / commitdiff