/* Print mips instructions for GDB, the GNU debugger, or for objdump.
- Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002
- Free Software Foundation, Inc.
+ Copyright (C) 1989-2016 Free Software Foundation, Inc.
Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp).
-This file is part of GDB, GAS, and the GNU binutils.
+ This file is part of the GNU opcodes 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 2 of the License, or
-(at your option) any later version.
+ 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.
-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.
+ 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; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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 "dis-asm.h"
/* Mips instructions are at maximum this many bytes long. */
#define INSNLEN 4
-static void set_default_mips_dis_options
- PARAMS ((struct disassemble_info *));
-static void parse_mips_dis_option
- PARAMS ((const char *, unsigned int));
-static void parse_mips_dis_options
- PARAMS ((const char *));
-static int _print_insn_mips
- PARAMS ((bfd_vma, struct disassemble_info *, enum bfd_endian));
-static int print_insn_mips
- PARAMS ((bfd_vma, unsigned long int, struct disassemble_info *));
-static void print_insn_arg
- PARAMS ((const char *, unsigned long, bfd_vma, struct disassemble_info *));
-static int print_insn_mips16
- PARAMS ((bfd_vma, struct disassemble_info *));
-static int is_newabi
- PARAMS ((Elf_Internal_Ehdr *));
-static void print_mips16_insn_arg
- PARAMS ((int, const struct mips_opcode *, int, bfd_boolean, int, bfd_vma,
- struct disassemble_info *));
\f
/* FIXME: These should be shared with gdb somehow. */
-/* The mips16 register names. */
-static const char * const mips16_reg_names[] = {
- "s0", "s1", "v0", "v1", "a0", "a1", "a2", "a3"
+struct mips_cp0sel_name
+{
+ unsigned int cp0reg;
+ unsigned int sel;
+ const char * const name;
};
-static const char * const mips_gpr_names_numeric[32] = {
+static const char * const mips_gpr_names_numeric[32] =
+{
"$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
"$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
"$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
"$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
};
-static const char * const mips_gpr_names_oldabi[32] = {
+static const char * const mips_gpr_names_oldabi[32] =
+{
"zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
};
-static const char * const mips_gpr_names_newabi[32] = {
+static const char * const mips_gpr_names_newabi[32] =
+{
"zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
"a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3",
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
};
-static const char * const mips_fpr_names_numeric[32] = {
+static const char * const mips_fpr_names_numeric[32] =
+{
"$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"
};
-static const char * const mips_fpr_names_32[32] = {
+static const char * const mips_fpr_names_32[32] =
+{
"fv0", "fv0f", "fv1", "fv1f", "ft0", "ft0f", "ft1", "ft1f",
"ft2", "ft2f", "ft3", "ft3f", "fa0", "fa0f", "fa1", "fa1f",
"ft4", "ft4f", "ft5", "ft5f", "fs0", "fs0f", "fs1", "fs1f",
"fs2", "fs2f", "fs3", "fs3f", "fs4", "fs4f", "fs5", "fs5f"
};
-static const char * const mips_fpr_names_n32[32] = {
+static const char * const mips_fpr_names_n32[32] =
+{
"fv0", "ft14", "fv1", "ft15", "ft0", "ft1", "ft2", "ft3",
"ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3",
"fa4", "fa5", "fa6", "fa7", "fs0", "ft8", "fs1", "ft9",
"fs2", "ft10", "fs3", "ft11", "fs4", "ft12", "fs5", "ft13"
};
-static const char * const mips_fpr_names_64[32] = {
+static const char * const mips_fpr_names_64[32] =
+{
"fv0", "ft12", "fv1", "ft13", "ft0", "ft1", "ft2", "ft3",
"ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3",
"fa4", "fa5", "fa6", "fa7", "ft8", "ft9", "ft10", "ft11",
"fs0", "fs1", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7"
};
-static const char * const mips_cp0_names_numeric[32] = {
+static const char * const mips_cp0_names_numeric[32] =
+{
+ "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
+ "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
+ "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
+ "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
+};
+
+static const char * const mips_cp1_names_numeric[32] =
+{
"$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
"$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
"$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
"$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
};
-static const char * const mips_cp0_names_mips3264[32] = {
+static const char * const mips_cp0_names_r3000[32] =
+{
+ "c0_index", "c0_random", "c0_entrylo", "$3",
+ "c0_context", "$5", "$6", "$7",
+ "c0_badvaddr", "$9", "c0_entryhi", "$11",
+ "c0_sr", "c0_cause", "c0_epc", "c0_prid",
+ "$16", "$17", "$18", "$19",
+ "$20", "$21", "$22", "$23",
+ "$24", "$25", "$26", "$27",
+ "$28", "$29", "$30", "$31",
+};
+
+static const char * const mips_cp0_names_r4000[32] =
+{
+ "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
+ "c0_context", "c0_pagemask", "c0_wired", "$7",
+ "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
+ "c0_sr", "c0_cause", "c0_epc", "c0_prid",
+ "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
+ "c0_xcontext", "$21", "$22", "$23",
+ "$24", "$25", "c0_ecc", "c0_cacheerr",
+ "c0_taglo", "c0_taghi", "c0_errorepc", "$31",
+};
+
+static const char * const mips_cp0_names_r5900[32] =
+{
+ "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
+ "c0_context", "c0_pagemask", "c0_wired", "$7",
+ "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
+ "c0_sr", "c0_cause", "c0_epc", "c0_prid",
+ "c0_config", "$17", "$18", "$19",
+ "$20", "$21", "$22", "c0_badpaddr",
+ "c0_depc", "c0_perfcnt", "$26", "$27",
+ "c0_taglo", "c0_taghi", "c0_errorepc", "$31"
+};
+
+static const char * const mips_cp0_names_mips3264[32] =
+{
"c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
"c0_context", "c0_pagemask", "c0_wired", "$7",
"c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
"c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave",
};
+static const char * const mips_cp1_names_mips3264[32] =
+{
+ "c1_fir", "c1_ufr", "$2", "$3",
+ "c1_unfr", "$5", "$6", "$7",
+ "$8", "$9", "$10", "$11",
+ "$12", "$13", "$14", "$15",
+ "$16", "$17", "$18", "$19",
+ "$20", "$21", "$22", "$23",
+ "$24", "c1_fccr", "c1_fexr", "$27",
+ "c1_fenr", "$29", "$30", "c1_fcsr"
+};
+
+static const struct mips_cp0sel_name mips_cp0sel_names_mips3264[] =
+{
+ { 16, 1, "c0_config1" },
+ { 16, 2, "c0_config2" },
+ { 16, 3, "c0_config3" },
+ { 18, 1, "c0_watchlo,1" },
+ { 18, 2, "c0_watchlo,2" },
+ { 18, 3, "c0_watchlo,3" },
+ { 18, 4, "c0_watchlo,4" },
+ { 18, 5, "c0_watchlo,5" },
+ { 18, 6, "c0_watchlo,6" },
+ { 18, 7, "c0_watchlo,7" },
+ { 19, 1, "c0_watchhi,1" },
+ { 19, 2, "c0_watchhi,2" },
+ { 19, 3, "c0_watchhi,3" },
+ { 19, 4, "c0_watchhi,4" },
+ { 19, 5, "c0_watchhi,5" },
+ { 19, 6, "c0_watchhi,6" },
+ { 19, 7, "c0_watchhi,7" },
+ { 25, 1, "c0_perfcnt,1" },
+ { 25, 2, "c0_perfcnt,2" },
+ { 25, 3, "c0_perfcnt,3" },
+ { 25, 4, "c0_perfcnt,4" },
+ { 25, 5, "c0_perfcnt,5" },
+ { 25, 6, "c0_perfcnt,6" },
+ { 25, 7, "c0_perfcnt,7" },
+ { 27, 1, "c0_cacheerr,1" },
+ { 27, 2, "c0_cacheerr,2" },
+ { 27, 3, "c0_cacheerr,3" },
+ { 28, 1, "c0_datalo" },
+ { 29, 1, "c0_datahi" }
+};
+
+static const char * const mips_cp0_names_mips3264r2[32] =
+{
+ "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
+ "c0_context", "c0_pagemask", "c0_wired", "c0_hwrena",
+ "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
+ "c0_status", "c0_cause", "c0_epc", "c0_prid",
+ "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
+ "c0_xcontext", "$21", "$22", "c0_debug",
+ "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr",
+ "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave",
+};
+
+static const struct mips_cp0sel_name mips_cp0sel_names_mips3264r2[] =
+{
+ { 4, 1, "c0_contextconfig" },
+ { 0, 1, "c0_mvpcontrol" },
+ { 0, 2, "c0_mvpconf0" },
+ { 0, 3, "c0_mvpconf1" },
+ { 1, 1, "c0_vpecontrol" },
+ { 1, 2, "c0_vpeconf0" },
+ { 1, 3, "c0_vpeconf1" },
+ { 1, 4, "c0_yqmask" },
+ { 1, 5, "c0_vpeschedule" },
+ { 1, 6, "c0_vpeschefback" },
+ { 2, 1, "c0_tcstatus" },
+ { 2, 2, "c0_tcbind" },
+ { 2, 3, "c0_tcrestart" },
+ { 2, 4, "c0_tchalt" },
+ { 2, 5, "c0_tccontext" },
+ { 2, 6, "c0_tcschedule" },
+ { 2, 7, "c0_tcschefback" },
+ { 5, 1, "c0_pagegrain" },
+ { 6, 1, "c0_srsconf0" },
+ { 6, 2, "c0_srsconf1" },
+ { 6, 3, "c0_srsconf2" },
+ { 6, 4, "c0_srsconf3" },
+ { 6, 5, "c0_srsconf4" },
+ { 12, 1, "c0_intctl" },
+ { 12, 2, "c0_srsctl" },
+ { 12, 3, "c0_srsmap" },
+ { 15, 1, "c0_ebase" },
+ { 16, 1, "c0_config1" },
+ { 16, 2, "c0_config2" },
+ { 16, 3, "c0_config3" },
+ { 18, 1, "c0_watchlo,1" },
+ { 18, 2, "c0_watchlo,2" },
+ { 18, 3, "c0_watchlo,3" },
+ { 18, 4, "c0_watchlo,4" },
+ { 18, 5, "c0_watchlo,5" },
+ { 18, 6, "c0_watchlo,6" },
+ { 18, 7, "c0_watchlo,7" },
+ { 19, 1, "c0_watchhi,1" },
+ { 19, 2, "c0_watchhi,2" },
+ { 19, 3, "c0_watchhi,3" },
+ { 19, 4, "c0_watchhi,4" },
+ { 19, 5, "c0_watchhi,5" },
+ { 19, 6, "c0_watchhi,6" },
+ { 19, 7, "c0_watchhi,7" },
+ { 23, 1, "c0_tracecontrol" },
+ { 23, 2, "c0_tracecontrol2" },
+ { 23, 3, "c0_usertracedata" },
+ { 23, 4, "c0_tracebpc" },
+ { 25, 1, "c0_perfcnt,1" },
+ { 25, 2, "c0_perfcnt,2" },
+ { 25, 3, "c0_perfcnt,3" },
+ { 25, 4, "c0_perfcnt,4" },
+ { 25, 5, "c0_perfcnt,5" },
+ { 25, 6, "c0_perfcnt,6" },
+ { 25, 7, "c0_perfcnt,7" },
+ { 27, 1, "c0_cacheerr,1" },
+ { 27, 2, "c0_cacheerr,2" },
+ { 27, 3, "c0_cacheerr,3" },
+ { 28, 1, "c0_datalo" },
+ { 28, 2, "c0_taglo1" },
+ { 28, 3, "c0_datalo1" },
+ { 28, 4, "c0_taglo2" },
+ { 28, 5, "c0_datalo2" },
+ { 28, 6, "c0_taglo3" },
+ { 28, 7, "c0_datalo3" },
+ { 29, 1, "c0_datahi" },
+ { 29, 2, "c0_taghi1" },
+ { 29, 3, "c0_datahi1" },
+ { 29, 4, "c0_taghi2" },
+ { 29, 5, "c0_datahi2" },
+ { 29, 6, "c0_taghi3" },
+ { 29, 7, "c0_datahi3" },
+};
+
/* SB-1: MIPS64 (mips_cp0_names_mips3264) with minor mods. */
-static const char * const mips_cp0_names_sb1[32] = {
+static const char * const mips_cp0_names_sb1[32] =
+{
"c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
"c0_context", "c0_pagemask", "c0_wired", "$7",
"c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
"c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave",
};
-struct mips_abi_choice {
- const char *name;
+static const struct mips_cp0sel_name mips_cp0sel_names_sb1[] =
+{
+ { 16, 1, "c0_config1" },
+ { 18, 1, "c0_watchlo,1" },
+ { 19, 1, "c0_watchhi,1" },
+ { 22, 0, "c0_perftrace" },
+ { 23, 3, "c0_edebug" },
+ { 25, 1, "c0_perfcnt,1" },
+ { 25, 2, "c0_perfcnt,2" },
+ { 25, 3, "c0_perfcnt,3" },
+ { 25, 4, "c0_perfcnt,4" },
+ { 25, 5, "c0_perfcnt,5" },
+ { 25, 6, "c0_perfcnt,6" },
+ { 25, 7, "c0_perfcnt,7" },
+ { 26, 1, "c0_buserr_pa" },
+ { 27, 1, "c0_cacheerr_d" },
+ { 27, 3, "c0_cacheerr_d_pa" },
+ { 28, 1, "c0_datalo_i" },
+ { 28, 2, "c0_taglo_d" },
+ { 28, 3, "c0_datalo_d" },
+ { 29, 1, "c0_datahi_i" },
+ { 29, 2, "c0_taghi_d" },
+ { 29, 3, "c0_datahi_d" },
+};
+
+/* Xlr cop0 register names. */
+static const char * const mips_cp0_names_xlr[32] = {
+ "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
+ "c0_context", "c0_pagemask", "c0_wired", "$7",
+ "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
+ "c0_status", "c0_cause", "c0_epc", "c0_prid",
+ "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
+ "c0_xcontext", "$21", "$22", "c0_debug",
+ "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i",
+ "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave",
+};
+
+/* XLR's CP0 Select Registers. */
+
+static const struct mips_cp0sel_name mips_cp0sel_names_xlr[] = {
+ { 9, 6, "c0_extintreq" },
+ { 9, 7, "c0_extintmask" },
+ { 15, 1, "c0_ebase" },
+ { 16, 1, "c0_config1" },
+ { 16, 2, "c0_config2" },
+ { 16, 3, "c0_config3" },
+ { 16, 7, "c0_procid2" },
+ { 18, 1, "c0_watchlo,1" },
+ { 18, 2, "c0_watchlo,2" },
+ { 18, 3, "c0_watchlo,3" },
+ { 18, 4, "c0_watchlo,4" },
+ { 18, 5, "c0_watchlo,5" },
+ { 18, 6, "c0_watchlo,6" },
+ { 18, 7, "c0_watchlo,7" },
+ { 19, 1, "c0_watchhi,1" },
+ { 19, 2, "c0_watchhi,2" },
+ { 19, 3, "c0_watchhi,3" },
+ { 19, 4, "c0_watchhi,4" },
+ { 19, 5, "c0_watchhi,5" },
+ { 19, 6, "c0_watchhi,6" },
+ { 19, 7, "c0_watchhi,7" },
+ { 25, 1, "c0_perfcnt,1" },
+ { 25, 2, "c0_perfcnt,2" },
+ { 25, 3, "c0_perfcnt,3" },
+ { 25, 4, "c0_perfcnt,4" },
+ { 25, 5, "c0_perfcnt,5" },
+ { 25, 6, "c0_perfcnt,6" },
+ { 25, 7, "c0_perfcnt,7" },
+ { 27, 1, "c0_cacheerr,1" },
+ { 27, 2, "c0_cacheerr,2" },
+ { 27, 3, "c0_cacheerr,3" },
+ { 28, 1, "c0_datalo" },
+ { 29, 1, "c0_datahi" }
+};
+
+static const char * const mips_hwr_names_numeric[32] =
+{
+ "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
+ "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
+ "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
+ "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
+};
+
+static const char * const mips_hwr_names_mips3264r2[32] =
+{
+ "hwr_cpunum", "hwr_synci_step", "hwr_cc", "hwr_ccres",
+ "$4", "$5", "$6", "$7",
+ "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
+ "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
+ "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
+};
+
+static const char * const msa_control_names[32] =
+{
+ "msa_ir", "msa_csr", "msa_access", "msa_save",
+ "msa_modify", "msa_request", "msa_map", "msa_unmap",
+ "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
+ "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
+ "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
+};
+
+struct mips_abi_choice
+{
+ const char * name;
const char * const *gpr_names;
const char * const *fpr_names;
};
-struct mips_abi_choice mips_abi_choices[] = {
+struct mips_abi_choice mips_abi_choices[] =
+{
{ "numeric", mips_gpr_names_numeric, mips_fpr_names_numeric },
{ "32", mips_gpr_names_oldabi, mips_fpr_names_32 },
{ "n32", mips_gpr_names_newabi, mips_fpr_names_n32 },
{ "64", mips_gpr_names_newabi, mips_fpr_names_64 },
};
-struct mips_arch_choice {
+struct mips_arch_choice
+{
const char *name;
int bfd_mach_valid;
unsigned long bfd_mach;
int processor;
int isa;
+ int ase;
const char * const *cp0_names;
+ const struct mips_cp0sel_name *cp0sel_names;
+ unsigned int cp0sel_names_len;
+ const char * const *cp1_names;
+ const char * const *hwr_names;
};
-struct mips_arch_choice mips_arch_choices[] = {
- { "numeric", 0, 0, 0, 0,
- mips_cp0_names_numeric },
- { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1,
- NULL },
- { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1,
- NULL },
- { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3,
- NULL },
- { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2,
- NULL },
- { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3,
- NULL },
- { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3,
- NULL },
- { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3,
- NULL },
- { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3,
- NULL },
- { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3,
- NULL },
- { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3,
- NULL },
- { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3,
- NULL },
- { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4,
- NULL },
- { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4,
- NULL },
- { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4,
- NULL },
- { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2,
- NULL },
- { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4,
- NULL },
- { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4,
- NULL },
- { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4,
- NULL },
- { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5,
- NULL },
+const struct mips_arch_choice mips_arch_choices[] =
+{
+ { "numeric", 0, 0, 0, 0, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+
+ { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1, 0,
+ mips_cp0_names_r3000, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3, 0,
+ mips_cp0_names_r4000, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3, 0,
+ mips_cp0_names_r4000, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r5900", 1, bfd_mach_mips5900, CPU_R5900, ISA_MIPS3, 0,
+ mips_cp0_names_r5900, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "rm7000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "rm9000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r14000", 1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "r16000", 1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+ { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
+
/* For stock MIPS32, disassemble all applicable MIPS-specified ASEs.
Note that MIPS-3D and MDMX are not applicable to MIPS32. (See
_MIPS32 Architecture For Programmers Volume I: Introduction to the
MIPS32 Architecture_ (MIPS Document Number MD00082, Revision 0.95),
page 1. */
{ "mips32", 1, bfd_mach_mipsisa32, CPU_MIPS32,
- ISA_MIPS32 | INSN_MIPS16,
- mips_cp0_names_mips3264 },
+ ISA_MIPS32, ASE_SMARTMIPS,
+ mips_cp0_names_mips3264,
+ mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264),
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
+
+ { "mips32r2", 1, bfd_mach_mipsisa32r2, CPU_MIPS32R2,
+ ISA_MIPS32R2,
+ (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D
+ | ASE_MT | ASE_MCU | ASE_VIRT | ASE_MSA | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips32r3", 1, bfd_mach_mipsisa32r3, CPU_MIPS32R3,
+ ISA_MIPS32R3,
+ (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D
+ | ASE_MT | ASE_MCU | ASE_VIRT | ASE_MSA | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips32r5", 1, bfd_mach_mipsisa32r5, CPU_MIPS32R5,
+ ISA_MIPS32R5,
+ (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D
+ | ASE_MT | ASE_MCU | ASE_VIRT | ASE_MSA | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips32r6", 1, bfd_mach_mipsisa32r6, CPU_MIPS32R6,
+ ISA_MIPS32R6,
+ (ASE_EVA | ASE_MSA | ASE_VIRT | ASE_XPA | ASE_MCU | ASE_MT | ASE_DSP
+ | ASE_DSPR2 | ASE_DSPR3),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
/* For stock MIPS64, disassemble all applicable MIPS-specified ASEs. */
{ "mips64", 1, bfd_mach_mipsisa64, CPU_MIPS64,
- ISA_MIPS64 | INSN_MIPS16 | INSN_MIPS3D | INSN_MDMX,
- mips_cp0_names_mips3264 },
+ ISA_MIPS64, ASE_MIPS3D | ASE_MDMX,
+ mips_cp0_names_mips3264,
+ mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264),
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
+
+ { "mips64r2", 1, bfd_mach_mipsisa64r2, CPU_MIPS64R2,
+ ISA_MIPS64R2,
+ (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT
+ | ASE_MCU | ASE_VIRT | ASE_VIRT64 | ASE_MSA | ASE_MSA64 | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips64r3", 1, bfd_mach_mipsisa64r3, CPU_MIPS64R3,
+ ISA_MIPS64R3,
+ (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT
+ | ASE_MCU | ASE_VIRT | ASE_VIRT64 | ASE_MSA | ASE_MSA64 | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips64r5", 1, bfd_mach_mipsisa64r5, CPU_MIPS64R5,
+ ISA_MIPS64R5,
+ (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT
+ | ASE_MCU | ASE_VIRT | ASE_VIRT64 | ASE_MSA | ASE_MSA64 | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips64r6", 1, bfd_mach_mipsisa64r6, CPU_MIPS64R6,
+ ISA_MIPS64R6,
+ (ASE_EVA | ASE_MSA | ASE_MSA64 | ASE_XPA | ASE_VIRT | ASE_VIRT64
+ | ASE_MCU | ASE_MT | ASE_DSP | ASE_DSPR2 | ASE_DSPR3),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
{ "sb1", 1, bfd_mach_mips_sb1, CPU_SB1,
- ISA_MIPS64 | INSN_MIPS3D | INSN_SB1,
- mips_cp0_names_sb1 },
+ ISA_MIPS64 | INSN_SB1, ASE_MIPS3D,
+ mips_cp0_names_sb1,
+ mips_cp0sel_names_sb1, ARRAY_SIZE (mips_cp0sel_names_sb1),
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
+
+ { "loongson2e", 1, bfd_mach_mips_loongson_2e, CPU_LOONGSON_2E,
+ ISA_MIPS3 | INSN_LOONGSON_2E, 0, mips_cp0_names_numeric,
+ NULL, 0, mips_cp1_names_numeric, mips_hwr_names_numeric },
+
+ { "loongson2f", 1, bfd_mach_mips_loongson_2f, CPU_LOONGSON_2F,
+ ISA_MIPS3 | INSN_LOONGSON_2F, 0, mips_cp0_names_numeric,
+ NULL, 0, mips_cp1_names_numeric, mips_hwr_names_numeric },
+
+ { "loongson3a", 1, bfd_mach_mips_loongson_3a, CPU_LOONGSON_3A,
+ ISA_MIPS64R2 | INSN_LOONGSON_3A, 0, mips_cp0_names_numeric,
+ NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
+
+ { "octeon", 1, bfd_mach_mips_octeon, CPU_OCTEON,
+ ISA_MIPS64R2 | INSN_OCTEON, 0, mips_cp0_names_numeric, NULL, 0,
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
+
+ { "octeon+", 1, bfd_mach_mips_octeonp, CPU_OCTEONP,
+ ISA_MIPS64R2 | INSN_OCTEONP, 0, mips_cp0_names_numeric,
+ NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
+
+ { "octeon2", 1, bfd_mach_mips_octeon2, CPU_OCTEON2,
+ ISA_MIPS64R2 | INSN_OCTEON2, 0, mips_cp0_names_numeric,
+ NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
+
+ { "octeon3", 1, bfd_mach_mips_octeon3, CPU_OCTEON3,
+ ISA_MIPS64R5 | INSN_OCTEON3, ASE_VIRT | ASE_VIRT64,
+ mips_cp0_names_numeric,
+ NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
+
+ { "xlr", 1, bfd_mach_mips_xlr, CPU_XLR,
+ ISA_MIPS64 | INSN_XLR, 0,
+ mips_cp0_names_xlr,
+ mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr),
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
+
+ /* XLP is mostly like XLR, with the prominent exception it is being
+ MIPS64R2. */
+ { "xlp", 1, bfd_mach_mips_xlr, CPU_XLR,
+ ISA_MIPS64R2 | INSN_XLR, 0,
+ mips_cp0_names_xlr,
+ mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr),
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
/* This entry, mips16, is here only for ISA/processor selection; do
not print its name. */
- { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3 | INSN_MIPS16,
- NULL },
+ { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3, 0,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
};
/* ISA and processor type to disassemble for, and register names to use.
values. */
static int mips_processor;
static int mips_isa;
+static int mips_ase;
+static int micromips_ase;
static const char * const *mips_gpr_names;
static const char * const *mips_fpr_names;
static const char * const *mips_cp0_names;
+static const struct mips_cp0sel_name *mips_cp0sel_names;
+static int mips_cp0sel_names_len;
+static const char * const *mips_cp1_names;
+static const char * const *mips_hwr_names;
-static const struct mips_abi_choice *choose_abi_by_name
- PARAMS ((const char *, unsigned int));
-static const struct mips_arch_choice *choose_arch_by_name
- PARAMS ((const char *, unsigned int));
-static const struct mips_arch_choice *choose_arch_by_number
- PARAMS ((unsigned long));
+/* Other options */
+static int no_aliases; /* If set disassemble as most general inst. */
\f
static const struct mips_abi_choice *
-choose_abi_by_name (name, namelen)
- const char *name;
- unsigned int namelen;
+choose_abi_by_name (const char *name, unsigned int namelen)
{
const struct mips_abi_choice *c;
unsigned int i;
for (i = 0, c = NULL; i < ARRAY_SIZE (mips_abi_choices) && c == NULL; i++)
- {
- if (strncmp (mips_abi_choices[i].name, name, namelen) == 0
- && strlen (mips_abi_choices[i].name) == namelen)
- c = &mips_abi_choices[i];
- }
+ if (strncmp (mips_abi_choices[i].name, name, namelen) == 0
+ && strlen (mips_abi_choices[i].name) == namelen)
+ c = &mips_abi_choices[i];
+
return c;
}
static const struct mips_arch_choice *
-choose_arch_by_name (name, namelen)
- const char *name;
- unsigned int namelen;
+choose_arch_by_name (const char *name, unsigned int namelen)
{
const struct mips_arch_choice *c = NULL;
unsigned int i;
for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++)
- {
- if (strncmp (mips_arch_choices[i].name, name, namelen) == 0
- && strlen (mips_arch_choices[i].name) == namelen)
- c = &mips_arch_choices[i];
- }
+ if (strncmp (mips_arch_choices[i].name, name, namelen) == 0
+ && strlen (mips_arch_choices[i].name) == namelen)
+ c = &mips_arch_choices[i];
+
return c;
}
static const struct mips_arch_choice *
-choose_arch_by_number (mach)
- unsigned long mach;
+choose_arch_by_number (unsigned long mach)
{
static unsigned long hint_bfd_mach;
static const struct mips_arch_choice *hint_arch_choice;
return c;
}
-void
-set_default_mips_dis_options (info)
- struct disassemble_info *info;
+/* Check if the object uses NewABI conventions. */
+
+static int
+is_newabi (Elf_Internal_Ehdr *header)
+{
+ /* There are no old-style ABIs which use 64-bit ELF. */
+ if (header->e_ident[EI_CLASS] == ELFCLASS64)
+ return 1;
+
+ /* If a 32-bit ELF file, n32 is a new-style ABI. */
+ if ((header->e_flags & EF_MIPS_ABI2) != 0)
+ return 1;
+
+ return 0;
+}
+
+/* Check if the object has microMIPS ASE code. */
+
+static int
+is_micromips (Elf_Internal_Ehdr *header)
+{
+ if ((header->e_flags & EF_MIPS_ARCH_ASE_MICROMIPS) != 0)
+ return 1;
+
+ return 0;
+}
+
+static void
+set_default_mips_dis_options (struct disassemble_info *info)
{
const struct mips_arch_choice *chosen_arch;
- /* Defaults: mipsIII/r3000 (?!), (o)32-style ("oldabi") GPR names,
- and numeric FPR and CP0 register names. */
+ /* Defaults: mipsIII/r3000 (?!), no microMIPS ASE (any compressed code
+ is MIPS16 ASE) (o)32-style ("oldabi") GPR names, and numeric FPR,
+ CP0 register, and HWR names. */
mips_isa = ISA_MIPS3;
- mips_processor = CPU_R3000;
+ mips_processor = CPU_R3000;
+ micromips_ase = 0;
+ mips_ase = 0;
mips_gpr_names = mips_gpr_names_oldabi;
mips_fpr_names = mips_fpr_names_numeric;
mips_cp0_names = mips_cp0_names_numeric;
-
- /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */
- if (info->flavour == bfd_target_elf_flavour && info->symbols != NULL)
+ mips_cp0sel_names = NULL;
+ mips_cp0sel_names_len = 0;
+ mips_cp1_names = mips_cp1_names_numeric;
+ mips_hwr_names = mips_hwr_names_numeric;
+ no_aliases = 0;
+
+ /* Update settings according to the ELF file header flags. */
+ if (info->flavour == bfd_target_elf_flavour && info->section != NULL)
{
Elf_Internal_Ehdr *header;
- header = elf_elfheader (bfd_asymbol_bfd (*(info->symbols)));
+ header = elf_elfheader (info->section->owner);
+ /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */
if (is_newabi (header))
mips_gpr_names = mips_gpr_names_newabi;
+ /* If a microMIPS binary, then don't use MIPS16 bindings. */
+ micromips_ase = is_micromips (header);
}
/* Set ISA, architecture, and cp0 register names as best we can. */
FIXME: Where does mips_target_info come from? */
target_processor = mips_target_info.processor;
mips_isa = mips_target_info.isa;
+ mips_ase = mips_target_info.ase;
#else
chosen_arch = choose_arch_by_number (info->mach);
if (chosen_arch != NULL)
{
mips_processor = chosen_arch->processor;
mips_isa = chosen_arch->isa;
- if (chosen_arch->cp0_names != NULL)
- mips_cp0_names = chosen_arch->cp0_names;
+ mips_ase = chosen_arch->ase;
+ mips_cp0_names = chosen_arch->cp0_names;
+ mips_cp0sel_names = chosen_arch->cp0sel_names;
+ mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
+ mips_cp1_names = chosen_arch->cp1_names;
+ mips_hwr_names = chosen_arch->hwr_names;
}
#endif
}
-void
-parse_mips_dis_option (option, len)
- const char *option;
- unsigned int len;
+static void
+parse_mips_dis_option (const char *option, unsigned int len)
{
unsigned int i, optionlen, vallen;
const char *val;
const struct mips_abi_choice *chosen_abi;
const struct mips_arch_choice *chosen_arch;
- /* Look for the = that delimits the end of the option name. */
- for (i = 0; i < len; i++)
+ /* Try to match options that are simple flags */
+ if (CONST_STRNEQ (option, "no-aliases"))
{
- if (option[i] == '=')
- break;
+ no_aliases = 1;
+ return;
+ }
+
+ if (CONST_STRNEQ (option, "msa"))
+ {
+ mips_ase |= ASE_MSA;
+ if ((mips_isa & INSN_ISA_MASK) == ISA_MIPS64R2
+ || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R3
+ || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R5
+ || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R6)
+ mips_ase |= ASE_MSA64;
+ return;
+ }
+
+ if (CONST_STRNEQ (option, "virt"))
+ {
+ mips_ase |= ASE_VIRT;
+ if (mips_isa & ISA_MIPS64R2
+ || mips_isa & ISA_MIPS64R3
+ || mips_isa & ISA_MIPS64R5
+ || mips_isa & ISA_MIPS64R6)
+ mips_ase |= ASE_VIRT64;
+ return;
+ }
+
+ if (CONST_STRNEQ (option, "xpa"))
+ {
+ mips_ase |= ASE_XPA;
+ return;
}
+
+
+ /* Look for the = that delimits the end of the option name. */
+ for (i = 0; i < len; i++)
+ if (option[i] == '=')
+ break;
+
if (i == 0) /* Invalid option: no name before '='. */
return;
if (i == len) /* Invalid option: no '='. */
val = option + (optionlen + 1);
vallen = len - (optionlen + 1);
- if (strncmp("gpr-names", option, optionlen) == 0
- && strlen("gpr-names") == optionlen)
+ if (strncmp ("gpr-names", option, optionlen) == 0
+ && strlen ("gpr-names") == optionlen)
{
chosen_abi = choose_abi_by_name (val, vallen);
- if (chosen_abi != NULL && chosen_abi->gpr_names != NULL)
+ if (chosen_abi != NULL)
mips_gpr_names = chosen_abi->gpr_names;
return;
}
- if (strncmp("fpr-names", option, optionlen) == 0
- && strlen("fpr-names") == optionlen)
+ if (strncmp ("fpr-names", option, optionlen) == 0
+ && strlen ("fpr-names") == optionlen)
{
chosen_abi = choose_abi_by_name (val, vallen);
- if (chosen_abi != NULL && chosen_abi->fpr_names != NULL)
+ if (chosen_abi != NULL)
mips_fpr_names = chosen_abi->fpr_names;
return;
}
- if (strncmp("cp0-names", option, optionlen) == 0
- && strlen("cp0-names") == optionlen)
+ if (strncmp ("cp0-names", option, optionlen) == 0
+ && strlen ("cp0-names") == optionlen)
+ {
+ chosen_arch = choose_arch_by_name (val, vallen);
+ if (chosen_arch != NULL)
+ {
+ mips_cp0_names = chosen_arch->cp0_names;
+ mips_cp0sel_names = chosen_arch->cp0sel_names;
+ mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
+ }
+ return;
+ }
+
+ if (strncmp ("cp1-names", option, optionlen) == 0
+ && strlen ("cp1-names") == optionlen)
+ {
+ chosen_arch = choose_arch_by_name (val, vallen);
+ if (chosen_arch != NULL)
+ mips_cp1_names = chosen_arch->cp1_names;
+ return;
+ }
+
+ if (strncmp ("hwr-names", option, optionlen) == 0
+ && strlen ("hwr-names") == optionlen)
{
chosen_arch = choose_arch_by_name (val, vallen);
- if (chosen_arch != NULL && chosen_arch->cp0_names != NULL)
- mips_cp0_names = chosen_arch->cp0_names;
+ if (chosen_arch != NULL)
+ mips_hwr_names = chosen_arch->hwr_names;
return;
}
- if (strncmp("reg-names", option, optionlen) == 0
- && strlen("reg-names") == optionlen)
+ if (strncmp ("reg-names", option, optionlen) == 0
+ && strlen ("reg-names") == optionlen)
{
/* We check both ABI and ARCH here unconditionally, so
that "numeric" will do the desirable thing: select
chosen_abi = choose_abi_by_name (val, vallen);
if (chosen_abi != NULL)
{
- if (chosen_abi->gpr_names != NULL)
- mips_gpr_names = chosen_abi->gpr_names;
- if (chosen_abi->fpr_names != NULL)
- mips_fpr_names = chosen_abi->fpr_names;
+ mips_gpr_names = chosen_abi->gpr_names;
+ mips_fpr_names = chosen_abi->fpr_names;
}
chosen_arch = choose_arch_by_name (val, vallen);
if (chosen_arch != NULL)
{
- if (chosen_arch->cp0_names != NULL)
- mips_cp0_names = chosen_arch->cp0_names;
+ mips_cp0_names = chosen_arch->cp0_names;
+ mips_cp0sel_names = chosen_arch->cp0sel_names;
+ mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
+ mips_cp1_names = chosen_arch->cp1_names;
+ mips_hwr_names = chosen_arch->hwr_names;
}
return;
}
/* Invalid option. */
}
-void
-parse_mips_dis_options (options)
- const char *options;
+static void
+parse_mips_dis_options (const char *options)
{
const char *option_end;
}
}
-\f
-/* Print insn arguments for 32/64-bit code. */
+static const struct mips_cp0sel_name *
+lookup_mips_cp0sel_name (const struct mips_cp0sel_name *names,
+ unsigned int len,
+ unsigned int cp0reg,
+ unsigned int sel)
+{
+ unsigned int i;
+
+ for (i = 0; i < len; i++)
+ if (names[i].cp0reg == cp0reg && names[i].sel == sel)
+ return &names[i];
+ return NULL;
+}
+
+/* Print register REGNO, of type TYPE, for instruction OPCODE. */
static void
-print_insn_arg (d, l, pc, info)
- const char *d;
- register unsigned long int l;
- bfd_vma pc;
- struct disassemble_info *info;
+print_reg (struct disassemble_info *info, const struct mips_opcode *opcode,
+ enum mips_reg_operand_type type, int regno)
{
- int op, delta;
-
- switch (*d)
+ switch (type)
{
- case ',':
- case '(':
- case ')':
- case '[':
- case ']':
- (*info->fprintf_func) (info->stream, "%c", *d);
+ case OP_REG_GP:
+ info->fprintf_func (info->stream, "%s", mips_gpr_names[regno]);
break;
- case 's':
- case 'b':
- case 'r':
- case 'v':
- (*info->fprintf_func) (info->stream, "%s",
- mips_gpr_names[(l >> OP_SH_RS) & OP_MASK_RS]);
+ case OP_REG_FP:
+ info->fprintf_func (info->stream, "%s", mips_fpr_names[regno]);
break;
- case 't':
- case 'w':
- (*info->fprintf_func) (info->stream, "%s",
- mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]);
+ case OP_REG_CCC:
+ if (opcode->pinfo & (FP_D | FP_S))
+ info->fprintf_func (info->stream, "$fcc%d", regno);
+ else
+ info->fprintf_func (info->stream, "$cc%d", regno);
break;
- case 'i':
- case 'u':
- (*info->fprintf_func) (info->stream, "0x%x",
- (l >> OP_SH_IMMEDIATE) & OP_MASK_IMMEDIATE);
+ case OP_REG_VEC:
+ if (opcode->membership & INSN_5400)
+ info->fprintf_func (info->stream, "$f%d", regno);
+ else
+ info->fprintf_func (info->stream, "$v%d", regno);
break;
- case 'j': /* Same as i, but sign-extended. */
- case 'o':
- delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA;
- if (delta & 0x8000)
- delta |= ~0xffff;
- (*info->fprintf_func) (info->stream, "%d",
- delta);
+ case OP_REG_ACC:
+ info->fprintf_func (info->stream, "$ac%d", regno);
break;
- case 'h':
- (*info->fprintf_func) (info->stream, "0x%x",
- (unsigned int) ((l >> OP_SH_PREFX)
- & OP_MASK_PREFX));
+ case OP_REG_COPRO:
+ if (opcode->name[strlen (opcode->name) - 1] == '0')
+ info->fprintf_func (info->stream, "%s", mips_cp0_names[regno]);
+ else if (opcode->name[strlen (opcode->name) - 1] == '1')
+ info->fprintf_func (info->stream, "%s", mips_cp1_names[regno]);
+ else
+ info->fprintf_func (info->stream, "$%d", regno);
break;
- case 'k':
- (*info->fprintf_func) (info->stream, "0x%x",
- (unsigned int) ((l >> OP_SH_CACHE)
- & OP_MASK_CACHE));
+ case OP_REG_HW:
+ info->fprintf_func (info->stream, "%s", mips_hwr_names[regno]);
break;
- case 'a':
- info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff)
- | (((l >> OP_SH_TARGET) & OP_MASK_TARGET) << 2));
- (*info->print_address_func) (info->target, info);
+ case OP_REG_VF:
+ info->fprintf_func (info->stream, "$vf%d", regno);
break;
- case 'p':
- /* Sign extend the displacement. */
- delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA;
- if (delta & 0x8000)
- delta |= ~0xffff;
- info->target = (delta << 2) + pc + INSNLEN;
- (*info->print_address_func) (info->target, info);
+ case OP_REG_VI:
+ info->fprintf_func (info->stream, "$vi%d", regno);
break;
- case 'd':
- (*info->fprintf_func) (info->stream, "%s",
- mips_gpr_names[(l >> OP_SH_RD) & OP_MASK_RD]);
+ case OP_REG_R5900_I:
+ info->fprintf_func (info->stream, "$I");
break;
- case 'U':
- {
- /* First check for both rd and rt being equal. */
- unsigned int reg = (l >> OP_SH_RD) & OP_MASK_RD;
- if (reg == ((l >> OP_SH_RT) & OP_MASK_RT))
- (*info->fprintf_func) (info->stream, "%s",
- mips_gpr_names[reg]);
- else
- {
- /* If one is zero use the other. */
- if (reg == 0)
- (*info->fprintf_func) (info->stream, "%s",
- mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]);
- else if (((l >> OP_SH_RT) & OP_MASK_RT) == 0)
- (*info->fprintf_func) (info->stream, "%s",
- mips_gpr_names[reg]);
- else /* Bogus, result depends on processor. */
- (*info->fprintf_func) (info->stream, "%s or %s",
- mips_gpr_names[reg],
- mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]);
- }
- }
+ case OP_REG_R5900_Q:
+ info->fprintf_func (info->stream, "$Q");
break;
- case 'z':
- (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[0]);
+ case OP_REG_R5900_R:
+ info->fprintf_func (info->stream, "$R");
break;
- case '<':
- (*info->fprintf_func) (info->stream, "0x%x",
- (l >> OP_SH_SHAMT) & OP_MASK_SHAMT);
+ case OP_REG_R5900_ACC:
+ info->fprintf_func (info->stream, "$ACC");
break;
- case 'c':
- (*info->fprintf_func) (info->stream, "0x%x",
- (l >> OP_SH_CODE) & OP_MASK_CODE);
+ case OP_REG_MSA:
+ info->fprintf_func (info->stream, "$w%d", regno);
break;
- case 'q':
- (*info->fprintf_func) (info->stream, "0x%x",
- (l >> OP_SH_CODE2) & OP_MASK_CODE2);
+ case OP_REG_MSA_CTRL:
+ info->fprintf_func (info->stream, "%s", msa_control_names[regno]);
break;
- case 'C':
- (*info->fprintf_func) (info->stream, "0x%x",
- (l >> OP_SH_COPZ) & OP_MASK_COPZ);
- break;
+ }
+}
+\f
+/* Used to track the state carried over from previous operands in
+ an instruction. */
+struct mips_print_arg_state {
+ /* The value of the last OP_INT seen. We only use this for OP_MSB,
+ where the value is known to be unsigned and small. */
+ unsigned int last_int;
+
+ /* The type and number of the last OP_REG seen. We only use this for
+ OP_REPEAT_DEST_REG and OP_REPEAT_PREV_REG. */
+ enum mips_reg_operand_type last_reg_type;
+ unsigned int last_regno;
+ unsigned int dest_regno;
+ unsigned int seen_dest;
+};
- case 'B':
- (*info->fprintf_func) (info->stream, "0x%x",
- (l >> OP_SH_CODE20) & OP_MASK_CODE20);
- break;
+/* Initialize STATE for the start of an instruction. */
- case 'J':
- (*info->fprintf_func) (info->stream, "0x%x",
- (l >> OP_SH_CODE19) & OP_MASK_CODE19);
- break;
+static inline void
+init_print_arg_state (struct mips_print_arg_state *state)
+{
+ memset (state, 0, sizeof (*state));
+}
- case 'S':
- case 'V':
- (*info->fprintf_func) (info->stream, "%s",
- mips_fpr_names[(l >> OP_SH_FS) & OP_MASK_FS]);
- break;
+/* Print OP_VU0_SUFFIX or OP_VU0_MATCH_SUFFIX operand OPERAND,
+ whose value is given by UVAL. */
- case 'T':
- case 'W':
- (*info->fprintf_func) (info->stream, "%s",
- mips_fpr_names[(l >> OP_SH_FT) & OP_MASK_FT]);
- break;
+static void
+print_vu0_channel (struct disassemble_info *info,
+ const struct mips_operand *operand, unsigned int uval)
+{
+ if (operand->size == 4)
+ info->fprintf_func (info->stream, "%s%s%s%s",
+ uval & 8 ? "x" : "",
+ uval & 4 ? "y" : "",
+ uval & 2 ? "z" : "",
+ uval & 1 ? "w" : "");
+ else if (operand->size == 2)
+ info->fprintf_func (info->stream, "%c", "xyzw"[uval]);
+ else
+ abort ();
+}
- case 'D':
- (*info->fprintf_func) (info->stream, "%s",
- mips_fpr_names[(l >> OP_SH_FD) & OP_MASK_FD]);
- break;
+/* Record information about a register operand. */
- case 'R':
- (*info->fprintf_func) (info->stream, "%s",
- mips_fpr_names[(l >> OP_SH_FR) & OP_MASK_FR]);
- break;
+static void
+mips_seen_register (struct mips_print_arg_state *state,
+ unsigned int regno,
+ enum mips_reg_operand_type reg_type)
+{
+ state->last_reg_type = reg_type;
+ state->last_regno = regno;
- case 'E':
- /* Coprocessor register for lwcN instructions, et al.
+ if (!state->seen_dest)
+ {
+ state->seen_dest = 1;
+ state->dest_regno = regno;
+ }
+}
- Note that there is no load/store cp0 instructions, and
- that FPU (cp1) instructions disassemble this field using
- 'T' format. Therefore, until we gain understanding of
- cp2 register names,
- we can simply print the register numbers. */
- (*info->fprintf_func) (info->stream, "$%d",
- (l >> OP_SH_RT) & OP_MASK_RT);
- break;
+/* Print operand OPERAND of OPCODE, using STATE to track inter-operand state.
+ UVAL is the encoding of the operand (shifted into bit 0) and BASE_PC is
+ the base address for OP_PCREL operands. */
- case 'G':
- /* Coprocessor register for mtcN instructions, et al.
- Note that FPU (cp1) instructions disassemble this field using
- 'S' format. Therefore, we only need to worry about cp0, cp2,
- and cp3. */
- op = (l >> OP_SH_OP) & OP_MASK_OP;
- if (op == OP_OP_COP0)
- (*info->fprintf_func) (info->stream, "%s",
- mips_cp0_names[(l >> OP_SH_RD) & OP_MASK_RD]);
- else
- (*info->fprintf_func) (info->stream, "$%d",
- (l >> OP_SH_RD) & OP_MASK_RD);
- break;
+static void
+print_insn_arg (struct disassemble_info *info,
+ struct mips_print_arg_state *state,
+ const struct mips_opcode *opcode,
+ const struct mips_operand *operand,
+ bfd_vma base_pc,
+ unsigned int uval)
+{
+ const fprintf_ftype infprintf = info->fprintf_func;
+ void *is = info->stream;
- case 'N':
- (*info->fprintf_func) (info->stream, "$fcc%d",
- (l >> OP_SH_BCC) & OP_MASK_BCC);
- break;
+ switch (operand->type)
+ {
+ case OP_INT:
+ {
+ const struct mips_int_operand *int_op;
- case 'M':
- (*info->fprintf_func) (info->stream, "$fcc%d",
- (l >> OP_SH_CCC) & OP_MASK_CCC);
+ int_op = (const struct mips_int_operand *) operand;
+ uval = mips_decode_int_operand (int_op, uval);
+ state->last_int = uval;
+ if (int_op->print_hex)
+ infprintf (is, "0x%x", uval);
+ else
+ infprintf (is, "%d", uval);
+ }
break;
- case 'P':
- (*info->fprintf_func) (info->stream, "%d",
- (l >> OP_SH_PERFREG) & OP_MASK_PERFREG);
- break;
+ case OP_MAPPED_INT:
+ {
+ const struct mips_mapped_int_operand *mint_op;
- case 'e':
- (*info->fprintf_func) (info->stream, "%d",
- (l >> OP_SH_VECBYTE) & OP_MASK_VECBYTE);
+ mint_op = (const struct mips_mapped_int_operand *) operand;
+ uval = mint_op->int_map[uval];
+ state->last_int = uval;
+ if (mint_op->print_hex)
+ infprintf (is, "0x%x", uval);
+ else
+ infprintf (is, "%d", uval);
+ }
break;
- case '%':
- (*info->fprintf_func) (info->stream, "%d",
- (l >> OP_SH_VECALIGN) & OP_MASK_VECALIGN);
- break;
+ case OP_MSB:
+ {
+ const struct mips_msb_operand *msb_op;
- case 'H':
- (*info->fprintf_func) (info->stream, "%d",
- (l >> OP_SH_SEL) & OP_MASK_SEL);
+ msb_op = (const struct mips_msb_operand *) operand;
+ uval += msb_op->bias;
+ if (msb_op->add_lsb)
+ uval -= state->last_int;
+ infprintf (is, "0x%x", uval);
+ }
break;
- case 'O':
- (*info->fprintf_func) (info->stream, "%d",
- (l >> OP_SH_ALN) & OP_MASK_ALN);
+ case OP_REG:
+ case OP_OPTIONAL_REG:
+ {
+ const struct mips_reg_operand *reg_op;
+
+ reg_op = (const struct mips_reg_operand *) operand;
+ uval = mips_decode_reg_operand (reg_op, uval);
+ print_reg (info, opcode, reg_op->reg_type, uval);
+
+ mips_seen_register (state, uval, reg_op->reg_type);
+ }
break;
- case 'Q':
+ case OP_REG_PAIR:
{
- unsigned int vsel = (l >> OP_SH_VSEL) & OP_MASK_VSEL;
- if ((vsel & 0x10) == 0)
- {
- int fmt;
- vsel &= 0x0f;
- for (fmt = 0; fmt < 3; fmt++, vsel >>= 1)
- if ((vsel & 1) == 0)
- break;
- (*info->fprintf_func) (info->stream, "$v%d[%d]",
- (l >> OP_SH_FT) & OP_MASK_FT,
- vsel >> 1);
- }
- else if ((vsel & 0x08) == 0)
- {
- (*info->fprintf_func) (info->stream, "$v%d",
- (l >> OP_SH_FT) & OP_MASK_FT);
- }
- else
- {
- (*info->fprintf_func) (info->stream, "0x%x",
- (l >> OP_SH_FT) & OP_MASK_FT);
- }
+ const struct mips_reg_pair_operand *pair_op;
+
+ pair_op = (const struct mips_reg_pair_operand *) operand;
+ print_reg (info, opcode, pair_op->reg_type,
+ pair_op->reg1_map[uval]);
+ infprintf (is, ",");
+ print_reg (info, opcode, pair_op->reg_type,
+ pair_op->reg2_map[uval]);
}
break;
- case 'X':
- (*info->fprintf_func) (info->stream, "$v%d",
- (l >> OP_SH_FD) & OP_MASK_FD);
- break;
+ case OP_PCREL:
+ {
+ const struct mips_pcrel_operand *pcrel_op;
- case 'Y':
- (*info->fprintf_func) (info->stream, "$v%d",
- (l >> OP_SH_FS) & OP_MASK_FS);
- break;
+ pcrel_op = (const struct mips_pcrel_operand *) operand;
+ info->target = mips_decode_pcrel_operand (pcrel_op, base_pc, uval);
- case 'Z':
- (*info->fprintf_func) (info->stream, "$v%d",
- (l >> OP_SH_FT) & OP_MASK_FT);
+ /* Preserve the ISA bit for the GDB disassembler,
+ otherwise clear it. */
+ if (info->flavour != bfd_target_unknown_flavour)
+ info->target &= -2;
+
+ (*info->print_address_func) (info->target, info);
+ }
break;
- default:
- /* xgettext:c-format */
- (*info->fprintf_func) (info->stream,
- _("# internal error, undefined modifier(%c)"),
- *d);
+ case OP_PERF_REG:
+ infprintf (is, "%d", uval);
break;
- }
-}
-\f
-/* Check if the object uses NewABI conventions. */
-static int
-is_newabi (header)
- Elf_Internal_Ehdr *header;
+ case OP_ADDIUSP_INT:
+ {
+ int sval;
+
+ sval = mips_signed_operand (operand, uval) * 4;
+ if (sval >= -8 && sval < 8)
+ sval ^= 0x400;
+ infprintf (is, "%d", sval);
+ break;
+ }
+
+ case OP_CLO_CLZ_DEST:
+ {
+ unsigned int reg1, reg2;
+
+ reg1 = uval & 31;
+ reg2 = uval >> 5;
+ /* If one is zero use the other. */
+ if (reg1 == reg2 || reg2 == 0)
+ infprintf (is, "%s", mips_gpr_names[reg1]);
+ else if (reg1 == 0)
+ infprintf (is, "%s", mips_gpr_names[reg2]);
+ else
+ /* Bogus, result depends on processor. */
+ infprintf (is, "%s or %s", mips_gpr_names[reg1],
+ mips_gpr_names[reg2]);
+ }
+ break;
+
+ case OP_SAME_RS_RT:
+ case OP_CHECK_PREV:
+ case OP_NON_ZERO_REG:
+ {
+ print_reg (info, opcode, OP_REG_GP, uval & 31);
+ mips_seen_register (state, uval, OP_REG_GP);
+ }
+ break;
+
+ case OP_LWM_SWM_LIST:
+ if (operand->size == 2)
+ {
+ if (uval == 0)
+ infprintf (is, "%s,%s",
+ mips_gpr_names[16],
+ mips_gpr_names[31]);
+ else
+ infprintf (is, "%s-%s,%s",
+ mips_gpr_names[16],
+ mips_gpr_names[16 + uval],
+ mips_gpr_names[31]);
+ }
+ else
+ {
+ int s_reg_encode;
+
+ s_reg_encode = uval & 0xf;
+ if (s_reg_encode != 0)
+ {
+ if (s_reg_encode == 1)
+ infprintf (is, "%s", mips_gpr_names[16]);
+ else if (s_reg_encode < 9)
+ infprintf (is, "%s-%s",
+ mips_gpr_names[16],
+ mips_gpr_names[15 + s_reg_encode]);
+ else if (s_reg_encode == 9)
+ infprintf (is, "%s-%s,%s",
+ mips_gpr_names[16],
+ mips_gpr_names[23],
+ mips_gpr_names[30]);
+ else
+ infprintf (is, "UNKNOWN");
+ }
+
+ if (uval & 0x10) /* For ra. */
+ {
+ if (s_reg_encode == 0)
+ infprintf (is, "%s", mips_gpr_names[31]);
+ else
+ infprintf (is, ",%s", mips_gpr_names[31]);
+ }
+ }
+ break;
+
+ case OP_ENTRY_EXIT_LIST:
+ {
+ const char *sep;
+ unsigned int amask, smask;
+
+ sep = "";
+ amask = (uval >> 3) & 7;
+ if (amask > 0 && amask < 5)
+ {
+ infprintf (is, "%s", mips_gpr_names[4]);
+ if (amask > 1)
+ infprintf (is, "-%s", mips_gpr_names[amask + 3]);
+ sep = ",";
+ }
+
+ smask = (uval >> 1) & 3;
+ if (smask == 3)
+ {
+ infprintf (is, "%s??", sep);
+ sep = ",";
+ }
+ else if (smask > 0)
+ {
+ infprintf (is, "%s%s", sep, mips_gpr_names[16]);
+ if (smask > 1)
+ infprintf (is, "-%s", mips_gpr_names[smask + 15]);
+ sep = ",";
+ }
+
+ if (uval & 1)
+ {
+ infprintf (is, "%s%s", sep, mips_gpr_names[31]);
+ sep = ",";
+ }
+
+ if (amask == 5 || amask == 6)
+ {
+ infprintf (is, "%s%s", sep, mips_fpr_names[0]);
+ if (amask == 6)
+ infprintf (is, "-%s", mips_fpr_names[1]);
+ }
+ }
+ break;
+
+ case OP_SAVE_RESTORE_LIST:
+ /* Should be handled by the caller due to extend behavior. */
+ abort ();
+
+ case OP_MDMX_IMM_REG:
+ {
+ unsigned int vsel;
+
+ vsel = uval >> 5;
+ uval &= 31;
+ if ((vsel & 0x10) == 0)
+ {
+ int fmt;
+
+ vsel &= 0x0f;
+ for (fmt = 0; fmt < 3; fmt++, vsel >>= 1)
+ if ((vsel & 1) == 0)
+ break;
+ print_reg (info, opcode, OP_REG_VEC, uval);
+ infprintf (is, "[%d]", vsel >> 1);
+ }
+ else if ((vsel & 0x08) == 0)
+ print_reg (info, opcode, OP_REG_VEC, uval);
+ else
+ infprintf (is, "0x%x", uval);
+ }
+ break;
+
+ case OP_REPEAT_PREV_REG:
+ print_reg (info, opcode, state->last_reg_type, state->last_regno);
+ break;
+
+ case OP_REPEAT_DEST_REG:
+ print_reg (info, opcode, state->last_reg_type, state->dest_regno);
+ break;
+
+ case OP_PC:
+ infprintf (is, "$pc");
+ break;
+
+ case OP_VU0_SUFFIX:
+ case OP_VU0_MATCH_SUFFIX:
+ print_vu0_channel (info, operand, uval);
+ break;
+
+ case OP_IMM_INDEX:
+ infprintf (is, "[%d]", uval);
+ break;
+
+ case OP_REG_INDEX:
+ infprintf (is, "[");
+ print_reg (info, opcode, OP_REG_GP, uval);
+ infprintf (is, "]");
+ break;
+ }
+}
+
+/* Validate the arguments for INSN, which is described by OPCODE.
+ Use DECODE_OPERAND to get the encoding of each operand. */
+
+static bfd_boolean
+validate_insn_args (const struct mips_opcode *opcode,
+ const struct mips_operand *(*decode_operand) (const char *),
+ unsigned int insn)
{
- /* There are no old-style ABIs which use 64-bit ELF. */
- if (header->e_ident[EI_CLASS] == ELFCLASS64)
- return 1;
+ struct mips_print_arg_state state;
+ const struct mips_operand *operand;
+ const char *s;
+ unsigned int uval;
- /* If a 32-bit ELF file, n32 is a new-style ABI. */
- if ((header->e_flags & EF_MIPS_ABI2) != 0)
- return 1;
+ init_print_arg_state (&state);
+ for (s = opcode->args; *s; ++s)
+ {
+ switch (*s)
+ {
+ case ',':
+ case '(':
+ case ')':
+ break;
- return 0;
+ case '#':
+ ++s;
+ break;
+
+ default:
+ operand = decode_operand (s);
+
+ if (operand)
+ {
+ uval = mips_extract_operand (operand, insn);
+ switch (operand->type)
+ {
+ case OP_REG:
+ case OP_OPTIONAL_REG:
+ {
+ const struct mips_reg_operand *reg_op;
+
+ reg_op = (const struct mips_reg_operand *) operand;
+ uval = mips_decode_reg_operand (reg_op, uval);
+ mips_seen_register (&state, uval, reg_op->reg_type);
+ }
+ break;
+
+ case OP_SAME_RS_RT:
+ {
+ unsigned int reg1, reg2;
+
+ reg1 = uval & 31;
+ reg2 = uval >> 5;
+
+ if (reg1 != reg2 || reg1 == 0)
+ return FALSE;
+ }
+ break;
+
+ case OP_CHECK_PREV:
+ {
+ const struct mips_check_prev_operand *prev_op;
+
+ prev_op = (const struct mips_check_prev_operand *) operand;
+
+ if (!prev_op->zero_ok && uval == 0)
+ return FALSE;
+
+ if (((prev_op->less_than_ok && uval < state.last_regno)
+ || (prev_op->greater_than_ok && uval > state.last_regno)
+ || (prev_op->equal_ok && uval == state.last_regno)))
+ break;
+
+ return FALSE;
+ }
+
+ case OP_NON_ZERO_REG:
+ {
+ if (uval == 0)
+ return FALSE;
+ }
+ break;
+
+ case OP_INT:
+ case OP_MAPPED_INT:
+ case OP_MSB:
+ case OP_REG_PAIR:
+ case OP_PCREL:
+ case OP_PERF_REG:
+ case OP_ADDIUSP_INT:
+ case OP_CLO_CLZ_DEST:
+ case OP_LWM_SWM_LIST:
+ case OP_ENTRY_EXIT_LIST:
+ case OP_MDMX_IMM_REG:
+ case OP_REPEAT_PREV_REG:
+ case OP_REPEAT_DEST_REG:
+ case OP_PC:
+ case OP_VU0_SUFFIX:
+ case OP_VU0_MATCH_SUFFIX:
+ case OP_IMM_INDEX:
+ case OP_REG_INDEX:
+ break;
+
+ case OP_SAVE_RESTORE_LIST:
+ /* Should be handled by the caller due to extend behavior. */
+ abort ();
+ }
+ }
+ if (*s == 'm' || *s == '+' || *s == '-')
+ ++s;
+ }
+ }
+ return TRUE;
+}
+
+/* Print the arguments for INSN, which is described by OPCODE.
+ Use DECODE_OPERAND to get the encoding of each operand. Use BASE_PC
+ as the base of OP_PCREL operands, adjusting by LENGTH if the OP_PCREL
+ operand is for a branch or jump. */
+
+static void
+print_insn_args (struct disassemble_info *info,
+ const struct mips_opcode *opcode,
+ const struct mips_operand *(*decode_operand) (const char *),
+ unsigned int insn, bfd_vma insn_pc, unsigned int length)
+{
+ const fprintf_ftype infprintf = info->fprintf_func;
+ void *is = info->stream;
+ struct mips_print_arg_state state;
+ const struct mips_operand *operand;
+ const char *s;
+
+ init_print_arg_state (&state);
+ for (s = opcode->args; *s; ++s)
+ {
+ switch (*s)
+ {
+ case ',':
+ case '(':
+ case ')':
+ infprintf (is, "%c", *s);
+ break;
+
+ case '#':
+ ++s;
+ infprintf (is, "%c%c", *s, *s);
+ break;
+
+ default:
+ operand = decode_operand (s);
+ if (!operand)
+ {
+ /* xgettext:c-format */
+ infprintf (is,
+ _("# internal error, undefined operand in `%s %s'"),
+ opcode->name, opcode->args);
+ return;
+ }
+ if (operand->type == OP_REG
+ && s[1] == ','
+ && s[2] == 'H'
+ && opcode->name[strlen (opcode->name) - 1] == '0')
+ {
+ /* Coprocessor register 0 with sel field (MT ASE). */
+ const struct mips_cp0sel_name *n;
+ unsigned int reg, sel;
+
+ reg = mips_extract_operand (operand, insn);
+ s += 2;
+ operand = decode_operand (s);
+ sel = mips_extract_operand (operand, insn);
+
+ /* CP0 register including 'sel' code for mftc0, to be
+ printed textually if known. If not known, print both
+ CP0 register name and sel numerically since CP0 register
+ with sel 0 may have a name unrelated to register being
+ printed. */
+ n = lookup_mips_cp0sel_name (mips_cp0sel_names,
+ mips_cp0sel_names_len,
+ reg, sel);
+ if (n != NULL)
+ infprintf (is, "%s", n->name);
+ else
+ infprintf (is, "$%d,%d", reg, sel);
+ }
+ else
+ {
+ bfd_vma base_pc = insn_pc;
+
+ /* Adjust the PC relative base so that branch/jump insns use
+ the following PC as the base but genuinely PC relative
+ operands use the current PC. */
+ if (operand->type == OP_PCREL)
+ {
+ const struct mips_pcrel_operand *pcrel_op;
+
+ pcrel_op = (const struct mips_pcrel_operand *) operand;
+ /* The include_isa_bit flag is sufficient to distinguish
+ branch/jump from other PC relative operands. */
+ if (pcrel_op->include_isa_bit)
+ base_pc += length;
+ }
+
+ print_insn_arg (info, &state, opcode, operand, base_pc,
+ mips_extract_operand (operand, insn));
+ }
+ if (*s == 'm' || *s == '+' || *s == '-')
+ ++s;
+ break;
+ }
+ }
}
\f
/* Print the mips instruction at address MEMADDR in debugged memory,
this is little-endian code. */
static int
-print_insn_mips (memaddr, word, info)
- bfd_vma memaddr;
- unsigned long int word;
- struct disassemble_info *info;
+print_insn_mips (bfd_vma memaddr,
+ int word,
+ struct disassemble_info *info)
{
- register const struct mips_opcode *op;
- static bfd_boolean init = 0;
+#define GET_OP(insn, field) \
+ (((insn) >> OP_SH_##field) & OP_MASK_##field)
static const struct mips_opcode *mips_hash[OP_MASK_OP + 1];
+ const fprintf_ftype infprintf = info->fprintf_func;
+ const struct mips_opcode *op;
+ static bfd_boolean init = 0;
+ void *is = info->stream;
/* Build a hash table to shorten the search time. */
if (! init)
{
for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++)
{
- if (op->pinfo == INSN_MACRO)
+ if (op->pinfo == INSN_MACRO
+ || (no_aliases && (op->pinfo2 & INSN2_ALIAS)))
continue;
- if (i == ((op->match >> OP_SH_OP) & OP_MASK_OP))
+ if (i == GET_OP (op->match, OP))
{
mips_hash[i] = op;
break;
info->target = 0;
info->target2 = 0;
- op = mips_hash[(word >> OP_SH_OP) & OP_MASK_OP];
+ op = mips_hash[GET_OP (word, OP)];
if (op != NULL)
{
for (; op < &mips_opcodes[NUMOPCODES]; op++)
{
- if (op->pinfo != INSN_MACRO && (word & op->mask) == op->match)
+ if (op->pinfo != INSN_MACRO
+ && !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
+ && (word & op->mask) == op->match)
{
- register const char *d;
-
- /* We always allow to disassemble the jalx instruction. */
- if (! OPCODE_IS_MEMBER (op, mips_isa, mips_processor)
- && strcmp (op->name, "jalx"))
+ /* We always disassemble the jalx instruction, except for MIPS r6. */
+ if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor)
+ && (strcmp (op->name, "jalx")
+ || (mips_isa & INSN_ISA_MASK) == ISA_MIPS32R6
+ || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R6))
continue;
/* Figure out instruction type and branch delay information. */
if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
{
- if ((info->insn_type & INSN_WRITE_GPR_31) != 0)
+ if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0)
info->insn_type = dis_jsr;
else
info->insn_type = dis_branch;
else if ((op->pinfo & (INSN_COND_BRANCH_DELAY
| INSN_COND_BRANCH_LIKELY)) != 0)
{
- if ((info->insn_type & INSN_WRITE_GPR_31) != 0)
+ if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
info->insn_type = dis_condjsr;
else
info->insn_type = dis_condbranch;
info->branch_delay_insns = 1;
}
else if ((op->pinfo & (INSN_STORE_MEMORY
- | INSN_LOAD_MEMORY_DELAY)) != 0)
+ | INSN_LOAD_MEMORY)) != 0)
info->insn_type = dis_dref;
- (*info->fprintf_func) (info->stream, "%s", op->name);
+ if (!validate_insn_args (op, decode_mips_operand, word))
+ continue;
- d = op->args;
- if (d != NULL && *d != '\0')
+ infprintf (is, "%s", op->name);
+ if (op->pinfo2 & INSN2_VU0_CHANNEL_SUFFIX)
{
- (*info->fprintf_func) (info->stream, "\t");
- for (; *d != '\0'; d++)
- print_insn_arg (d, word, memaddr, info);
+ unsigned int uval;
+
+ infprintf (is, ".");
+ uval = mips_extract_operand (&mips_vu0_channel_mask, word);
+ print_vu0_channel (info, &mips_vu0_channel_mask, uval);
+ }
+
+ if (op->args[0])
+ {
+ infprintf (is, "\t");
+ print_insn_args (info, op, decode_mips_operand, word,
+ memaddr, 4);
}
return INSNLEN;
}
}
}
+#undef GET_OP
/* Handle undefined instructions. */
info->insn_type = dis_noninsn;
- (*info->fprintf_func) (info->stream, "0x%x", word);
+ infprintf (is, "0x%x", word);
return INSNLEN;
}
\f
-/* In an environment where we do not know the symbol type of the
- instruction we are forced to assume that the low order bit of the
- instructions' address may mark it as a mips16 instruction. If we
- are single stepping, or the pc is within the disassembled function,
- this works. Otherwise, we need a clue. Sometimes. */
+/* Disassemble an operand for a mips16 instruction. */
-static int
-_print_insn_mips (memaddr, info, endianness)
- bfd_vma memaddr;
- struct disassemble_info *info;
- enum bfd_endian endianness;
+static void
+print_mips16_insn_arg (struct disassemble_info *info,
+ struct mips_print_arg_state *state,
+ const struct mips_opcode *opcode,
+ char type, bfd_vma memaddr,
+ unsigned insn, bfd_boolean use_extend,
+ unsigned extend, bfd_boolean is_offset)
{
- bfd_byte buffer[INSNLEN];
- int status;
+ const fprintf_ftype infprintf = info->fprintf_func;
+ void *is = info->stream;
+ const struct mips_operand *operand, *ext_operand;
+ unsigned int uval;
+ bfd_vma baseaddr;
- set_default_mips_dis_options (info);
- parse_mips_dis_options (info->disassembler_options);
+ if (!use_extend)
+ extend = 0;
-#if 1
- /* FIXME: If odd address, this is CLEARLY a mips 16 instruction. */
- /* Only a few tools will work this way. */
- if (memaddr & 0x01)
- return print_insn_mips16 (memaddr, info);
-#endif
+ switch (type)
+ {
+ case ',':
+ case '(':
+ case ')':
+ infprintf (is, "%c", type);
+ break;
-#if SYMTAB_AVAILABLE
- if (info->mach == bfd_mach_mips16
- || (info->flavour == bfd_target_elf_flavour
- && info->symbols != NULL
- && ((*(elf_symbol_type **) info->symbols)->internal_elf_sym.st_other
- == STO_MIPS16)))
- return print_insn_mips16 (memaddr, info);
-#endif
+ default:
+ operand = decode_mips16_operand (type, FALSE);
+ if (!operand)
+ {
+ /* xgettext:c-format */
+ infprintf (is, _("# internal error, undefined operand in `%s %s'"),
+ opcode->name, opcode->args);
+ return;
+ }
- status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info);
- if (status == 0)
- {
- unsigned long insn;
+ if (operand->type == OP_SAVE_RESTORE_LIST)
+ {
+ /* Handle this case here because of the complex interation
+ with the EXTEND opcode. */
+ unsigned int amask, nargs, nstatics, nsreg, smask, frame_size, i, j;
+ const char *sep;
- if (endianness == BFD_ENDIAN_BIG)
- insn = (unsigned long) bfd_getb32 (buffer);
+ amask = extend & 0xf;
+ if (amask == MIPS16_ALL_ARGS)
+ {
+ nargs = 4;
+ nstatics = 0;
+ }
+ else if (amask == MIPS16_ALL_STATICS)
+ {
+ nargs = 0;
+ nstatics = 4;
+ }
+ else
+ {
+ nargs = amask >> 2;
+ nstatics = amask & 3;
+ }
+
+ sep = "";
+ if (nargs > 0)
+ {
+ infprintf (is, "%s", mips_gpr_names[4]);
+ if (nargs > 1)
+ infprintf (is, "-%s", mips_gpr_names[4 + nargs - 1]);
+ sep = ",";
+ }
+
+ frame_size = ((extend & 0xf0) | (insn & 0x0f)) * 8;
+ if (frame_size == 0 && !use_extend)
+ frame_size = 128;
+ infprintf (is, "%s%d", sep, frame_size);
+
+ if (insn & 0x40) /* $ra */
+ infprintf (is, ",%s", mips_gpr_names[31]);
+
+ nsreg = (extend >> 8) & 0x7;
+ smask = 0;
+ if (insn & 0x20) /* $s0 */
+ smask |= 1 << 0;
+ if (insn & 0x10) /* $s1 */
+ smask |= 1 << 1;
+ if (nsreg > 0) /* $s2-$s8 */
+ smask |= ((1 << nsreg) - 1) << 2;
+
+ for (i = 0; i < 9; i++)
+ if (smask & (1 << i))
+ {
+ infprintf (is, ",%s", mips_gpr_names[i == 8 ? 30 : (16 + i)]);
+ /* Skip over string of set bits. */
+ for (j = i; smask & (2 << j); j++)
+ continue;
+ if (j > i)
+ infprintf (is, "-%s", mips_gpr_names[j == 8 ? 30 : (16 + j)]);
+ i = j + 1;
+ }
+ /* Statics $ax - $a3. */
+ if (nstatics == 1)
+ infprintf (is, ",%s", mips_gpr_names[7]);
+ else if (nstatics > 0)
+ infprintf (is, ",%s-%s",
+ mips_gpr_names[7 - nstatics + 1],
+ mips_gpr_names[7]);
+ break;
+ }
+
+ if (is_offset && operand->type == OP_INT)
+ {
+ const struct mips_int_operand *int_op;
+
+ int_op = (const struct mips_int_operand *) operand;
+ info->insn_type = dis_dref;
+ info->data_size = 1 << int_op->shift;
+ }
+
+ if (operand->size == 26)
+ /* In this case INSN is the first two bytes of the instruction
+ and EXTEND is the second two bytes. */
+ uval = ((insn & 0x1f) << 21) | ((insn & 0x3e0) << 11) | extend;
else
- insn = (unsigned long) bfd_getl32 (buffer);
+ {
+ /* Calculate the full field value. */
+ uval = mips_extract_operand (operand, insn);
+ if (use_extend)
+ {
+ ext_operand = decode_mips16_operand (type, TRUE);
+ if (ext_operand != operand)
+ {
+ operand = ext_operand;
+ if (operand->size == 16)
+ uval = (((extend & 0x1f) << 11) | (extend & 0x7e0)
+ | (uval & 0x1f));
+ else if (operand->size == 15)
+ uval |= ((extend & 0xf) << 11) | (extend & 0x7f0);
+ else
+ uval = ((((extend >> 6) & 0x1f) | (extend & 0x20))
+ & ((1U << operand->size) - 1));
+ }
+ }
+ }
- return print_insn_mips (memaddr, insn, info);
- }
- else
- {
- (*info->memory_error_func) (status, memaddr, info);
- return -1;
+ baseaddr = memaddr + 2;
+ if (operand->type == OP_PCREL)
+ {
+ const struct mips_pcrel_operand *pcrel_op;
+
+ pcrel_op = (const struct mips_pcrel_operand *) operand;
+ if (!pcrel_op->include_isa_bit && use_extend)
+ baseaddr = memaddr - 2;
+ else if (!pcrel_op->include_isa_bit)
+ {
+ bfd_byte buffer[2];
+
+ /* If this instruction is in the delay slot of a JR
+ instruction, the base address is the address of the
+ JR instruction. If it is in the delay slot of a JALR
+ instruction, the base address is the address of the
+ JALR instruction. This test is unreliable: we have
+ no way of knowing whether the previous word is
+ instruction or data. */
+ if (info->read_memory_func (memaddr - 4, buffer, 2, info) == 0
+ && (((info->endian == BFD_ENDIAN_BIG
+ ? bfd_getb16 (buffer)
+ : bfd_getl16 (buffer))
+ & 0xf800) == 0x1800))
+ baseaddr = memaddr - 4;
+ else if (info->read_memory_func (memaddr - 2, buffer, 2,
+ info) == 0
+ && (((info->endian == BFD_ENDIAN_BIG
+ ? bfd_getb16 (buffer)
+ : bfd_getl16 (buffer))
+ & 0xf81f) == 0xe800))
+ baseaddr = memaddr - 2;
+ else
+ baseaddr = memaddr;
+ }
+ }
+
+ print_insn_arg (info, state, opcode, operand, baseaddr + 1, uval);
+ break;
}
}
-int
-print_insn_big_mips (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
-{
- return _print_insn_mips (memaddr, info, BFD_ENDIAN_BIG);
-}
-int
-print_insn_little_mips (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
+/* Check if the given address is the last word of a MIPS16 PLT entry.
+ This word is data and depending on the value it may interfere with
+ disassembly of further PLT entries. We make use of the fact PLT
+ symbols are marked BSF_SYNTHETIC. */
+static bfd_boolean
+is_mips16_plt_tail (struct disassemble_info *info, bfd_vma addr)
{
- return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE);
+ if (info->symbols
+ && info->symbols[0]
+ && (info->symbols[0]->flags & BSF_SYNTHETIC)
+ && addr == bfd_asymbol_value (info->symbols[0]) + 12)
+ return TRUE;
+
+ return FALSE;
}
-\f
+
/* Disassemble mips16 instructions. */
static int
-print_insn_mips16 (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
+print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info)
{
+ const fprintf_ftype infprintf = info->fprintf_func;
int status;
- bfd_byte buffer[2];
+ bfd_byte buffer[4];
int length;
int insn;
bfd_boolean use_extend;
int extend = 0;
const struct mips_opcode *op, *opend;
+ struct mips_print_arg_state state;
+ void *is = info->stream;
info->bytes_per_chunk = 2;
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;
- status = (*info->read_memory_func) (memaddr, buffer, 2, info);
+#define GET_OP(insn, field) \
+ (((insn) >> MIPS16OP_SH_##field) & MIPS16OP_MASK_##field)
+ /* Decode PLT entry's GOT slot address word. */
+ if (is_mips16_plt_tail (info, memaddr))
+ {
+ info->insn_type = dis_noninsn;
+ status = (*info->read_memory_func) (memaddr, buffer, 4, info);
+ if (status == 0)
+ {
+ unsigned int gotslot;
+
+ if (info->endian == BFD_ENDIAN_BIG)
+ gotslot = bfd_getb32 (buffer);
+ else
+ gotslot = bfd_getl32 (buffer);
+ infprintf (is, ".word\t0x%x", gotslot);
+
+ return 4;
+ }
+ }
+ else
+ {
+ info->insn_type = dis_nonbranch;
+ status = (*info->read_memory_func) (memaddr, buffer, 2, info);
+ }
if (status != 0)
{
(*info->memory_error_func) (status, memaddr, info);
status = (*info->read_memory_func) (memaddr, buffer, 2, info);
if (status != 0)
{
- (*info->fprintf_func) (info->stream, "extend 0x%x",
- (unsigned int) extend);
+ infprintf (is, "extend 0x%x", (unsigned int) extend);
(*info->memory_error_func) (status, memaddr, info);
return -1;
}
/* Check for an extend opcode followed by an extend opcode. */
if ((insn & 0xf800) == 0xf000)
{
- (*info->fprintf_func) (info->stream, "extend 0x%x",
- (unsigned int) extend);
+ infprintf (is, "extend 0x%x", (unsigned int) extend);
info->insn_type = dis_noninsn;
return length;
}
opend = mips16_opcodes + bfd_mips16_num_opcodes;
for (op = mips16_opcodes; op < opend; op++)
{
- if (op->pinfo != INSN_MACRO && (insn & op->mask) == op->match)
+ if (op->pinfo != INSN_MACRO
+ && !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
+ && (insn & op->mask) == op->match)
{
const char *s;
- if (strchr (op->args, 'a') != NULL)
+ if (op->args[0] == 'a' || op->args[0] == 'i')
{
if (use_extend)
{
- (*info->fprintf_func) (info->stream, "extend 0x%x",
- (unsigned int) extend);
+ infprintf (is, "extend 0x%x", (unsigned int) extend);
info->insn_type = dis_noninsn;
return length - 2;
}
}
}
- (*info->fprintf_func) (info->stream, "%s", op->name);
+ infprintf (is, "%s", op->name);
if (op->args[0] != '\0')
- (*info->fprintf_func) (info->stream, "\t");
+ infprintf (is, "\t");
+ init_print_arg_state (&state);
for (s = op->args; *s != '\0'; s++)
{
if (*s == ','
&& s[1] == 'w'
- && (((insn >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX)
- == ((insn >> MIPS16OP_SH_RY) & MIPS16OP_MASK_RY)))
+ && GET_OP (insn, RX) == GET_OP (insn, RY))
{
/* Skip the register and the comma. */
++s;
}
if (*s == ','
&& s[1] == 'v'
- && (((insn >> MIPS16OP_SH_RZ) & MIPS16OP_MASK_RZ)
- == ((insn >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX)))
+ && GET_OP (insn, RZ) == GET_OP (insn, RX))
{
/* Skip the register and the comma. */
++s;
continue;
}
- print_mips16_insn_arg (*s, op, insn, use_extend, extend, memaddr,
- info);
+ print_mips16_insn_arg (info, &state, op, *s, memaddr, insn,
+ use_extend, extend, s[1] == '(');
}
+ /* Figure out branch instruction type and delay slot information. */
if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
+ info->branch_delay_insns = 1;
+ if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0
+ || (op->pinfo2 & INSN2_UNCOND_BRANCH) != 0)
{
- info->branch_delay_insns = 1;
- if (info->insn_type != dis_jsr)
+ if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
+ info->insn_type = dis_jsr;
+ else
info->insn_type = dis_branch;
}
+ else if ((op->pinfo2 & INSN2_COND_BRANCH) != 0)
+ info->insn_type = dis_condbranch;
return length;
}
}
+#undef GET_OP
if (use_extend)
- (*info->fprintf_func) (info->stream, "0x%x", extend | 0xf000);
- (*info->fprintf_func) (info->stream, "0x%x", insn);
+ infprintf (is, "0x%x", extend | 0xf000);
+ infprintf (is, "0x%x", insn);
info->insn_type = dis_noninsn;
return length;
}
-/* Disassemble an operand for a mips16 instruction. */
+/* Disassemble microMIPS instructions. */
-static void
-print_mips16_insn_arg (type, op, l, use_extend, extend, memaddr, info)
- char type;
- const struct mips_opcode *op;
- int l;
- bfd_boolean use_extend;
- int extend;
- bfd_vma memaddr;
- struct disassemble_info *info;
+static int
+print_insn_micromips (bfd_vma memaddr, struct disassemble_info *info)
{
- switch (type)
+ const fprintf_ftype infprintf = info->fprintf_func;
+ const struct mips_opcode *op, *opend;
+ void *is = info->stream;
+ bfd_byte buffer[2];
+ unsigned int higher;
+ unsigned int length;
+ int status;
+ unsigned int insn;
+
+ info->bytes_per_chunk = 2;
+ 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;
+
+ status = (*info->read_memory_func) (memaddr, buffer, 2, info);
+ if (status != 0)
{
- case ',':
- case '(':
- case ')':
- (*info->fprintf_func) (info->stream, "%c", type);
- break;
+ (*info->memory_error_func) (status, memaddr, info);
+ return -1;
+ }
- case 'y':
- case 'w':
- (*info->fprintf_func) (info->stream, "%s",
- mips16_reg_names[((l >> MIPS16OP_SH_RY)
- & MIPS16OP_MASK_RY)]);
- break;
+ length = 2;
- case 'x':
- case 'v':
- (*info->fprintf_func) (info->stream, "%s",
- mips16_reg_names[((l >> MIPS16OP_SH_RX)
- & MIPS16OP_MASK_RX)]);
- break;
+ if (info->endian == BFD_ENDIAN_BIG)
+ insn = bfd_getb16 (buffer);
+ else
+ insn = bfd_getl16 (buffer);
- case 'z':
- (*info->fprintf_func) (info->stream, "%s",
- mips16_reg_names[((l >> MIPS16OP_SH_RZ)
- & MIPS16OP_MASK_RZ)]);
- break;
+ if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000)
+ {
+ /* This is a 32-bit microMIPS instruction. */
+ higher = insn;
- case 'Z':
- (*info->fprintf_func) (info->stream, "%s",
- mips16_reg_names[((l >> MIPS16OP_SH_MOVE32Z)
- & MIPS16OP_MASK_MOVE32Z)]);
- break;
+ status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info);
+ if (status != 0)
+ {
+ infprintf (is, "micromips 0x%x", higher);
+ (*info->memory_error_func) (status, memaddr + 2, info);
+ return -1;
+ }
- case '0':
- (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[0]);
- break;
+ if (info->endian == BFD_ENDIAN_BIG)
+ insn = bfd_getb16 (buffer);
+ else
+ insn = bfd_getl16 (buffer);
- case 'S':
- (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[29]);
- break;
+ insn = insn | (higher << 16);
- case 'P':
- (*info->fprintf_func) (info->stream, "$pc");
- break;
+ length += 2;
+ }
- case 'R':
- (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[31]);
- break;
+ /* FIXME: Should probably use a hash table on the major opcode here. */
- case 'X':
- (*info->fprintf_func) (info->stream, "%s",
- mips_gpr_names[((l >> MIPS16OP_SH_REGR32)
- & MIPS16OP_MASK_REGR32)]);
- break;
+ opend = micromips_opcodes + bfd_micromips_num_opcodes;
+ for (op = micromips_opcodes; op < opend; op++)
+ {
+ if (op->pinfo != INSN_MACRO
+ && !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
+ && (insn & op->mask) == op->match
+ && ((length == 2 && (op->mask & 0xffff0000) == 0)
+ || (length == 4 && (op->mask & 0xffff0000) != 0)))
+ {
+ if (!validate_insn_args (op, decode_micromips_operand, insn))
+ continue;
- case 'Y':
- (*info->fprintf_func) (info->stream, "%s",
- mips_gpr_names[MIPS16OP_EXTRACT_REG32R (l)]);
- break;
+ infprintf (is, "%s", op->name);
- case '<':
- case '>':
- case '[':
- case ']':
- case '4':
- case '5':
- case 'H':
- case 'W':
- case 'D':
- case 'j':
- case '6':
- case '8':
- case 'V':
- case 'C':
- case 'U':
- case 'k':
- case 'K':
- case 'p':
- case 'q':
- case 'A':
- case 'B':
- case 'E':
- {
- int immed, nbits, shift, signedp, extbits, pcrel, extu, branch;
-
- shift = 0;
- signedp = 0;
- extbits = 16;
- pcrel = 0;
- extu = 0;
- branch = 0;
- switch (type)
- {
- case '<':
- nbits = 3;
- immed = (l >> MIPS16OP_SH_RZ) & MIPS16OP_MASK_RZ;
- extbits = 5;
- extu = 1;
- break;
- case '>':
- nbits = 3;
- immed = (l >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX;
- extbits = 5;
- extu = 1;
- break;
- case '[':
- nbits = 3;
- immed = (l >> MIPS16OP_SH_RZ) & MIPS16OP_MASK_RZ;
- extbits = 6;
- extu = 1;
- break;
- case ']':
- nbits = 3;
- immed = (l >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX;
- extbits = 6;
- extu = 1;
- break;
- case '4':
- nbits = 4;
- immed = (l >> MIPS16OP_SH_IMM4) & MIPS16OP_MASK_IMM4;
- signedp = 1;
- extbits = 15;
- break;
- case '5':
- nbits = 5;
- immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
- info->insn_type = dis_dref;
- info->data_size = 1;
- break;
- case 'H':
- nbits = 5;
- shift = 1;
- immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
- info->insn_type = dis_dref;
- info->data_size = 2;
- break;
- case 'W':
- nbits = 5;
- shift = 2;
- immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
- if ((op->pinfo & MIPS16_INSN_READ_PC) == 0
- && (op->pinfo & MIPS16_INSN_READ_SP) == 0)
- {
- info->insn_type = dis_dref;
- info->data_size = 4;
- }
- break;
- case 'D':
- nbits = 5;
- shift = 3;
- immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
- info->insn_type = dis_dref;
- info->data_size = 8;
- break;
- case 'j':
- nbits = 5;
- immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
- signedp = 1;
- break;
- case '6':
- nbits = 6;
- immed = (l >> MIPS16OP_SH_IMM6) & MIPS16OP_MASK_IMM6;
- break;
- case '8':
- nbits = 8;
- immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
- break;
- case 'V':
- nbits = 8;
- shift = 2;
- immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
- /* FIXME: This might be lw, or it might be addiu to $sp or
- $pc. We assume it's load. */
- info->insn_type = dis_dref;
- info->data_size = 4;
- break;
- case 'C':
- nbits = 8;
- shift = 3;
- immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
- info->insn_type = dis_dref;
- info->data_size = 8;
- break;
- case 'U':
- nbits = 8;
- immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
- extu = 1;
- break;
- case 'k':
- nbits = 8;
- immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
- signedp = 1;
- break;
- case 'K':
- nbits = 8;
- shift = 3;
- immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
- signedp = 1;
- break;
- case 'p':
- nbits = 8;
- immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
- signedp = 1;
- pcrel = 1;
- branch = 1;
- info->insn_type = dis_condbranch;
- break;
- case 'q':
- nbits = 11;
- immed = (l >> MIPS16OP_SH_IMM11) & MIPS16OP_MASK_IMM11;
- signedp = 1;
- pcrel = 1;
- branch = 1;
- info->insn_type = dis_branch;
- break;
- case 'A':
- nbits = 8;
- shift = 2;
- immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
- pcrel = 1;
- /* FIXME: This can be lw or la. We assume it is lw. */
- info->insn_type = dis_dref;
- info->data_size = 4;
- break;
- case 'B':
- nbits = 5;
- shift = 3;
- immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
- pcrel = 1;
+ if (op->args[0])
+ {
+ infprintf (is, "\t");
+ print_insn_args (info, op, decode_micromips_operand, insn,
+ memaddr + 1, length);
+ }
+
+ /* Figure out instruction type and branch delay information. */
+ if ((op->pinfo
+ & (INSN_UNCOND_BRANCH_DELAY | INSN_COND_BRANCH_DELAY)) != 0)
+ info->branch_delay_insns = 1;
+ if (((op->pinfo & INSN_UNCOND_BRANCH_DELAY)
+ | (op->pinfo2 & INSN2_UNCOND_BRANCH)) != 0)
+ {
+ if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0)
+ info->insn_type = dis_jsr;
+ else
+ info->insn_type = dis_branch;
+ }
+ else if (((op->pinfo & INSN_COND_BRANCH_DELAY)
+ | (op->pinfo2 & INSN2_COND_BRANCH)) != 0)
+ {
+ if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
+ info->insn_type = dis_condjsr;
+ else
+ info->insn_type = dis_condbranch;
+ }
+ else if ((op->pinfo
+ & (INSN_STORE_MEMORY | INSN_LOAD_MEMORY)) != 0)
info->insn_type = dis_dref;
- info->data_size = 8;
- break;
- case 'E':
- nbits = 5;
- shift = 2;
- immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
- pcrel = 1;
- break;
- default:
- abort ();
- }
- if (! use_extend)
- {
- if (signedp && immed >= (1 << (nbits - 1)))
- immed -= 1 << nbits;
- immed <<= shift;
- if ((type == '<' || type == '>' || type == '[' || type == ']')
- && immed == 0)
- immed = 8;
- }
- else
- {
- if (extbits == 16)
- immed |= ((extend & 0x1f) << 11) | (extend & 0x7e0);
- else if (extbits == 15)
- immed |= ((extend & 0xf) << 11) | (extend & 0x7f0);
- else
- immed = ((extend >> 6) & 0x1f) | (extend & 0x20);
- immed &= (1 << extbits) - 1;
- if (! extu && immed >= (1 << (extbits - 1)))
- immed -= 1 << extbits;
- }
+ return length;
+ }
+ }
- if (! pcrel)
- (*info->fprintf_func) (info->stream, "%d", immed);
- else
- {
- bfd_vma baseaddr;
+ infprintf (is, "0x%x", insn);
+ info->insn_type = dis_noninsn;
- if (branch)
- {
- immed *= 2;
- baseaddr = memaddr + 2;
- }
- else if (use_extend)
- baseaddr = memaddr - 2;
- else
- {
- int status;
- bfd_byte buffer[2];
-
- baseaddr = memaddr;
-
- /* If this instruction is in the delay slot of a jr
- instruction, the base address is the address of the
- jr instruction. If it is in the delay slot of jalr
- instruction, the base address is the address of the
- jalr instruction. This test is unreliable: we have
- no way of knowing whether the previous word is
- instruction or data. */
- status = (*info->read_memory_func) (memaddr - 4, buffer, 2,
- info);
- if (status == 0
- && (((info->endian == BFD_ENDIAN_BIG
- ? bfd_getb16 (buffer)
- : bfd_getl16 (buffer))
- & 0xf800) == 0x1800))
- baseaddr = memaddr - 4;
- else
- {
- status = (*info->read_memory_func) (memaddr - 2, buffer,
- 2, info);
- if (status == 0
- && (((info->endian == BFD_ENDIAN_BIG
- ? bfd_getb16 (buffer)
- : bfd_getl16 (buffer))
- & 0xf81f) == 0xe800))
- baseaddr = memaddr - 2;
- }
- }
- info->target = (baseaddr & ~((1 << shift) - 1)) + immed;
- (*info->print_address_func) (info->target, info);
- }
- }
- break;
+ return length;
+}
- case 'a':
- if (! use_extend)
- extend = 0;
- l = ((l & 0x1f) << 23) | ((l & 0x3e0) << 13) | (extend << 2);
- info->target = ((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | l;
- (*info->print_address_func) (info->target, info);
- info->insn_type = dis_jsr;
- info->branch_delay_insns = 1;
- break;
+/* Return 1 if a symbol associated with the location being disassembled
+ indicates a compressed mode, either MIPS16 or microMIPS, according to
+ MICROMIPS_P. We iterate over all the symbols at the address being
+ considered assuming if at least one of them indicates code compression,
+ then such code has been genuinely produced here (other symbols could
+ have been derived from function symbols defined elsewhere or could
+ define data). Otherwise, return 0. */
- case 'l':
- case 'L':
+static bfd_boolean
+is_compressed_mode_p (struct disassemble_info *info, bfd_boolean micromips_p)
+{
+ int i;
+ int l;
+
+ for (i = info->symtab_pos, l = i + info->num_symbols; i < l; i++)
+ if (((info->symtab[i])->flags & BSF_SYNTHETIC) != 0
+ && ((!micromips_p
+ && ELF_ST_IS_MIPS16 ((*info->symbols)->udata.i))
+ || (micromips_p
+ && ELF_ST_IS_MICROMIPS ((*info->symbols)->udata.i))))
+ return 1;
+ else if (bfd_asymbol_flavour (info->symtab[i]) == bfd_target_elf_flavour
+ && info->symtab[i]->section == info->section)
{
- int need_comma, amask, smask;
+ elf_symbol_type *symbol = (elf_symbol_type *) info->symtab[i];
+ if ((!micromips_p
+ && ELF_ST_IS_MIPS16 (symbol->internal_elf_sym.st_other))
+ || (micromips_p
+ && ELF_ST_IS_MICROMIPS (symbol->internal_elf_sym.st_other)))
+ return 1;
+ }
- need_comma = 0;
+ return 0;
+}
- l = (l >> MIPS16OP_SH_IMM6) & MIPS16OP_MASK_IMM6;
+/* In an environment where we do not know the symbol type of the
+ instruction we are forced to assume that the low order bit of the
+ instructions' address may mark it as a mips16 instruction. If we
+ are single stepping, or the pc is within the disassembled function,
+ this works. Otherwise, we need a clue. Sometimes. */
- amask = (l >> 3) & 7;
+static int
+_print_insn_mips (bfd_vma memaddr,
+ struct disassemble_info *info,
+ enum bfd_endian endianness)
+{
+ bfd_byte buffer[INSNLEN];
+ int status;
- if (amask > 0 && amask < 5)
- {
- (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[4]);
- if (amask > 1)
- (*info->fprintf_func) (info->stream, "-%s",
- mips_gpr_names[amask + 3]);
- need_comma = 1;
- }
+ set_default_mips_dis_options (info);
+ parse_mips_dis_options (info->disassembler_options);
- smask = (l >> 1) & 3;
- if (smask == 3)
- {
- (*info->fprintf_func) (info->stream, "%s??",
- need_comma ? "," : "");
- need_comma = 1;
- }
- else if (smask > 0)
- {
- (*info->fprintf_func) (info->stream, "%s%s",
- need_comma ? "," : "",
- mips_gpr_names[16]);
- if (smask > 1)
- (*info->fprintf_func) (info->stream, "-%s",
- mips_gpr_names[smask + 15]);
- need_comma = 1;
- }
+ if (info->mach == bfd_mach_mips16)
+ return print_insn_mips16 (memaddr, info);
+ if (info->mach == bfd_mach_mips_micromips)
+ return print_insn_micromips (memaddr, info);
- if (l & 1)
- {
- (*info->fprintf_func) (info->stream, "%s%s",
- need_comma ? "," : "",
- mips_gpr_names[31]);
- need_comma = 1;
- }
+#if 1
+ /* FIXME: If odd address, this is CLEARLY a compressed instruction. */
+ /* Only a few tools will work this way. */
+ if (memaddr & 0x01)
+ {
+ if (micromips_ase)
+ return print_insn_micromips (memaddr, info);
+ else
+ return print_insn_mips16 (memaddr, info);
+ }
+#endif
- if (amask == 5 || amask == 6)
- {
- (*info->fprintf_func) (info->stream, "%s$f0",
- need_comma ? "," : "");
- if (amask == 6)
- (*info->fprintf_func) (info->stream, "-$f1");
- }
- }
- break;
+#if SYMTAB_AVAILABLE
+ if (is_compressed_mode_p (info, TRUE))
+ return print_insn_micromips (memaddr, info);
+ if (is_compressed_mode_p (info, FALSE))
+ return print_insn_mips16 (memaddr, info);
+#endif
- default:
- /* xgettext:c-format */
- (*info->fprintf_func)
- (info->stream,
- _("# internal disassembler error, unrecognised modifier (%c)"),
- type);
- abort ();
+ status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info);
+ if (status == 0)
+ {
+ int insn;
+
+ if (endianness == BFD_ENDIAN_BIG)
+ insn = bfd_getb32 (buffer);
+ else
+ insn = bfd_getl32 (buffer);
+
+ return print_insn_mips (memaddr, insn, info);
}
+ else
+ {
+ (*info->memory_error_func) (status, memaddr, info);
+ return -1;
+ }
+}
+
+int
+print_insn_big_mips (bfd_vma memaddr, struct disassemble_info *info)
+{
+ return _print_insn_mips (memaddr, info, BFD_ENDIAN_BIG);
}
+int
+print_insn_little_mips (bfd_vma memaddr, struct disassemble_info *info)
+{
+ return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE);
+}
+\f
void
-print_mips_disassembler_options (stream)
- FILE *stream;
+print_mips_disassembler_options (FILE *stream)
{
- int i;
+ unsigned int i;
fprintf (stream, _("\n\
The following MIPS specific disassembler options are supported for use\n\
with the -M switch (multiple options should be separated by commas):\n"));
fprintf (stream, _("\n\
- gpr-names=ABI Print GPR names according to specified ABI.\n\
+ msa Recognize MSA instructions.\n"));
+
+ fprintf (stream, _("\n\
+ virt Recognize the virtualization ASE instructions.\n"));
+
+ fprintf (stream, _("\n\
+ xpa Recognize the eXtended Physical Address (XPA)\n\
+ ASE instructions.\n"));
+
+ fprintf (stream, _("\n\
+ gpr-names=ABI Print GPR names according to specified ABI.\n\
Default: based on binary being disassembled.\n"));
fprintf (stream, _("\n\
specified architecture.\n\
Default: based on binary being disassembled.\n"));
+ fprintf (stream, _("\n\
+ hwr-names=ARCH Print HWR names according to specified \n\
+ architecture.\n\
+ Default: based on binary being disassembled.\n"));
+
fprintf (stream, _("\n\
reg-names=ABI Print GPR and FPR names according to\n\
specified ABI.\n"));
fprintf (stream, _("\n\
- reg-names=ARCH Print CP0 register names according to\n\
+ reg-names=ARCH Print CP0 register and HWR names according to\n\
specified architecture.\n"));
fprintf (stream, _("\n\
For the options above, the following values are supported for \"ABI\":\n\
"));
- for (i = 0; mips_abi_choices[i].name != NULL; i++)
+ for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++)
fprintf (stream, " %s", mips_abi_choices[i].name);
fprintf (stream, _("\n"));
fprintf (stream, _("\n\
For the options above, The following values are supported for \"ARCH\":\n\
"));
- for (i = 0; mips_arch_choices[i].name != NULL; i++)
+ for (i = 0; i < ARRAY_SIZE (mips_arch_choices); i++)
if (*mips_arch_choices[i].name != '\0')
fprintf (stream, " %s", mips_arch_choices[i].name);
fprintf (stream, _("\n"));