/
mips-dis.c
2787 lines (2447 loc) · 81.1 KB
/
mips-dis.c
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/* Print mips instructions for GDB, the GNU debugger, or for objdump.
Copyright (C) 1989-2019 Free Software Foundation, Inc.
Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp).
This file is part of the GNU opcodes library.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "sysdep.h"
#include "disassemble.h"
#include "libiberty.h"
#include "opcode/mips.h"
#include "opintl.h"
/* FIXME: These are needed to figure out if the code is mips16 or
not. The low bit of the address is often a good indicator. No
symbol table is available when this code runs out in an embedded
system as when it is used for disassembler support in a monitor. */
#if !defined(EMBEDDED_ENV)
#define SYMTAB_AVAILABLE 1
#include "elf-bfd.h"
#include "elf/mips.h"
#endif
/* Mips instructions are at maximum this many bytes long. */
#define INSNLEN 4
/* FIXME: These should be shared with gdb somehow. */
struct mips_cp0sel_name
{
unsigned int cp0reg;
unsigned int sel;
const char * const name;
};
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", "$31"
};
static const char * const mips_gpr_names_oldabi[32] =
{
"zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
};
static const char * const mips_gpr_names_newabi[32] =
{
"zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
"a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3",
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
};
static const char * const mips_fpr_names_numeric[32] =
{
"$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] =
{
"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] =
{
"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] =
{
"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] =
{
"$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_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_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 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] =
{
"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",
};
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[] =
{
{ "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
{
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;
};
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, 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 | ASE_CRC | ASE_GINV),
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, 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 | ASE_CRC
| ASE_CRC64 | ASE_GINV),
mips_cp0_names_mips3264r2,
mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
{ "interaptiv-mr2", 1, bfd_mach_mips_interaptiv_mr2, CPU_INTERAPTIV_MR2,
ISA_MIPS32R3,
ASE_MT | ASE_EVA | ASE_DSP | ASE_DSPR2 | ASE_MIPS16E2 | ASE_MIPS16E2_MT,
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_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, ASE_LOONGSON_MMI, mips_cp0_names_numeric,
NULL, 0, mips_cp1_names_numeric, mips_hwr_names_numeric },
/* The loongson3a is an alias of gs464 for compatibility */
{ "loongson3a", 1, bfd_mach_mips_gs464, CPU_GS464,
ISA_MIPS64R2, ASE_LOONGSON_MMI | ASE_LOONGSON_CAM | ASE_LOONGSON_EXT,
mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips3264,
mips_hwr_names_numeric },
{ "g464", 1, bfd_mach_mips_gs464, CPU_GS464,
ISA_MIPS64R2, ASE_LOONGSON_MMI | ASE_LOONGSON_CAM | ASE_LOONGSON_EXT,
mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips3264,
mips_hwr_names_numeric },
{ "g464e", 1, bfd_mach_mips_gs464e, CPU_GS464E,
ISA_MIPS64R2, ASE_LOONGSON_MMI | ASE_LOONGSON_CAM | ASE_LOONGSON_EXT
| ASE_LOONGSON_EXT2, mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips3264,
mips_hwr_names_numeric },
{ "g264e", 1, bfd_mach_mips_gs464e, CPU_GS264E,
ISA_MIPS64R2, ASE_LOONGSON_MMI | ASE_LOONGSON_CAM | ASE_LOONGSON_EXT
| ASE_LOONGSON_EXT2 | ASE_MSA | ASE_MSA64, 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_MIPS64,
ASE_MIPS16E2 | ASE_MIPS16E2_MT,
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.
set_default_mips_dis_options and parse_mips_dis_options fill in these
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;
/* Other options */
static int no_aliases; /* If set disassemble as most general inst. */
static const struct mips_abi_choice *
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];
return c;
}
static const struct mips_arch_choice *
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];
return c;
}
static const struct mips_arch_choice *
choose_arch_by_number (unsigned long mach)
{
static unsigned long hint_bfd_mach;
static const struct mips_arch_choice *hint_arch_choice;
const struct mips_arch_choice *c;
unsigned int i;
/* We optimize this because even if the user specifies no
flags, this will be done for every instruction! */
if (hint_bfd_mach == mach
&& hint_arch_choice != NULL
&& hint_arch_choice->bfd_mach == hint_bfd_mach)
return hint_arch_choice;
for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++)
{
if (mips_arch_choices[i].bfd_mach_valid
&& mips_arch_choices[i].bfd_mach == mach)
{
c = &mips_arch_choices[i];
hint_bfd_mach = mach;
hint_arch_choice = c;
}
}
return c;
}
/* 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;
}
/* Convert ASE flags from .MIPS.abiflags to internal values. */
static unsigned long
mips_convert_abiflags_ases (unsigned long afl_ases)
{
unsigned long opcode_ases = 0;
if (afl_ases & AFL_ASE_DSP)
opcode_ases |= ASE_DSP;
if (afl_ases & AFL_ASE_DSPR2)
opcode_ases |= ASE_DSPR2;
if (afl_ases & AFL_ASE_EVA)
opcode_ases |= ASE_EVA;
if (afl_ases & AFL_ASE_MCU)
opcode_ases |= ASE_MCU;
if (afl_ases & AFL_ASE_MDMX)
opcode_ases |= ASE_MDMX;
if (afl_ases & AFL_ASE_MIPS3D)
opcode_ases |= ASE_MIPS3D;
if (afl_ases & AFL_ASE_MT)
opcode_ases |= ASE_MT;
if (afl_ases & AFL_ASE_SMARTMIPS)
opcode_ases |= ASE_SMARTMIPS;
if (afl_ases & AFL_ASE_VIRT)
opcode_ases |= ASE_VIRT;
if (afl_ases & AFL_ASE_MSA)
opcode_ases |= ASE_MSA;
if (afl_ases & AFL_ASE_XPA)
opcode_ases |= ASE_XPA;
if (afl_ases & AFL_ASE_DSPR3)
opcode_ases |= ASE_DSPR3;
if (afl_ases & AFL_ASE_MIPS16E2)
opcode_ases |= ASE_MIPS16E2;
return opcode_ases;
}
/* Calculate combination ASE flags from regular ASE flags. */
static unsigned long
mips_calculate_combination_ases (unsigned long opcode_ases)
{
unsigned long combination_ases = 0;
if ((opcode_ases & (ASE_XPA | ASE_VIRT)) == (ASE_XPA | ASE_VIRT))
combination_ases |= ASE_XPA_VIRT;
if ((opcode_ases & (ASE_MIPS16E2 | ASE_MT)) == (ASE_MIPS16E2 | ASE_MT))
combination_ases |= ASE_MIPS16E2_MT;
return combination_ases;
}
static void
set_default_mips_dis_options (struct disassemble_info *info)
{
const struct mips_arch_choice *chosen_arch;
/* 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;
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;
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;
/* Set ISA, architecture, and cp0 register names as best we can. */
#if ! SYMTAB_AVAILABLE
/* This is running out on a target machine, not in a host tool.
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;
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;
}
/* Update settings according to the ELF file header flags. */
if (info->flavour == bfd_target_elf_flavour && info->section != NULL)
{
struct bfd *abfd = info->section->owner;
Elf_Internal_Ehdr *header = elf_elfheader (abfd);
Elf_Internal_ABIFlags_v0 *abiflags = NULL;
/* We won't ever get here if !HAVE_BFD_MIPS_ELF_GET_ABIFLAGS,
because we won't then have a MIPS/ELF BFD, however we need
to guard against a link error in a `--enable-targets=...'
configuration with a 32-bit host where the MIPS target is
a secondary, or with MIPS/ECOFF configurations. */
#ifdef HAVE_BFD_MIPS_ELF_GET_ABIFLAGS
abiflags = bfd_mips_elf_get_abiflags (abfd);
#endif
/* 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);
/* OR in any extra ASE flags set in ELF file structures. */
if (abiflags)
mips_ase |= mips_convert_abiflags_ases (abiflags->ases);
else if (header->e_flags & EF_MIPS_ARCH_ASE_MDMX)
mips_ase |= ASE_MDMX;
}
#endif
mips_ase |= mips_calculate_combination_ases (mips_ase);
}
/* Parse an ASE disassembler option and set the corresponding global
ASE flag(s). Return TRUE if successful, FALSE otherwise. */
static bfd_boolean
parse_mips_ase_option (const char *option)
{
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 TRUE;
}
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 TRUE;
}
if (CONST_STRNEQ (option, "xpa"))
{
mips_ase |= ASE_XPA;
return TRUE;
}
if (CONST_STRNEQ (option, "ginv"))
{
mips_ase |= ASE_GINV;
return TRUE;
}
if (CONST_STRNEQ (option, "loongson-mmi"))
{
mips_ase |= ASE_LOONGSON_MMI;
return TRUE;
}
if (CONST_STRNEQ (option, "loongson-cam"))
{
mips_ase |= ASE_LOONGSON_CAM;
return TRUE;
}
/* Put here for match ext2 frist */
if (CONST_STRNEQ (option, "loongson-ext2"))
{
mips_ase |= ASE_LOONGSON_EXT2;
return TRUE;
}
if (CONST_STRNEQ (option, "loongson-ext"))
{
mips_ase |= ASE_LOONGSON_EXT;
return TRUE;
}
return FALSE;
}
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;
/* Try to match options that are simple flags */
if (CONST_STRNEQ (option, "no-aliases"))
{
no_aliases = 1;
return;
}
if (parse_mips_ase_option (option))
{
mips_ase |= mips_calculate_combination_ases (mips_ase);