From 54f1b3cf509cd889905287cb8ce6c5ae33911a21 Mon Sep 17 00:00:00 2001 From: Andrew Hsieh Date: Fri, 13 Jun 2014 12:38:00 -0700 Subject: Add upstream binutils-2.25 snapshot 4/4 2014 For MIPS -mmsa support Change-Id: I08c4f002fa7b33dec85ed75956e6ab551bb03c96 --- binutils-2.25/opcodes/mips-dis.c | 2180 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 2180 insertions(+) create mode 100644 binutils-2.25/opcodes/mips-dis.c (limited to 'binutils-2.25/opcodes/mips-dis.c') diff --git a/binutils-2.25/opcodes/mips-dis.c b/binutils-2.25/opcodes/mips-dis.c new file mode 100644 index 00000000..72f307f2 --- /dev/null +++ b/binutils-2.25/opcodes/mips-dis.c @@ -0,0 +1,2180 @@ +/* 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, 2003, 2005, 2006, 2007, 2008, 2009, 2012 + 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 "dis-asm.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_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 struct mips_cp0sel_name mips_cp0sel_names_mipsr5900[] = +{ + { 24, 2, "c0_iab" }, + { 24, 3, "c0_iabm" }, + { 24, 4, "c0_dab" }, + { 24, 5, "c0_dabm" }, + { 24, 6, "c0_dvb" }, + { 24, 7, "c0_dvbm" }, + { 25, 1, "c0_perfcnt,1" }, + { 25, 2, "c0_perfcnt,2" } +}; + +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 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 *hwr_names; +}; + +const struct mips_arch_choice mips_arch_choices[] = +{ + { "numeric", 0, 0, 0, 0, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + + { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1, 0, + mips_cp0_names_r3000, NULL, 0, mips_hwr_names_numeric }, + { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3, 0, + mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric }, + { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3, 0, + mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric }, + { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r5900", 1, bfd_mach_mips5900, CPU_R5900, ISA_MIPS3, 0, + mips_cp0_names_r5900, NULL, 0, mips_hwr_names_numeric }, + { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "rm7000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "rm9000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r14000", 1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r16000", 1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5, 0, + mips_cp0_names_numeric, NULL, 0, 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_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), + mips_cp0_names_mips3264r2, + mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), + 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_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), + mips_cp0_names_mips3264r2, + mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), + 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_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_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_hwr_names_numeric }, + + { "loongson3a", 1, bfd_mach_mips_loongson_3a, CPU_LOONGSON_3A, + ISA_MIPS64 | INSN_LOONGSON_3A, 0, mips_cp0_names_numeric, + NULL, 0, mips_hwr_names_numeric }, + + { "octeon", 1, bfd_mach_mips_octeon, CPU_OCTEON, + ISA_MIPS64R2 | INSN_OCTEON, 0, mips_cp0_names_numeric, NULL, 0, + mips_hwr_names_numeric }, + + { "octeon+", 1, bfd_mach_mips_octeonp, CPU_OCTEONP, + ISA_MIPS64R2 | INSN_OCTEONP, 0, mips_cp0_names_numeric, + NULL, 0, mips_hwr_names_numeric }, + + { "octeon2", 1, bfd_mach_mips_octeon2, CPU_OCTEON2, + ISA_MIPS64R2 | INSN_OCTEON2, 0, mips_cp0_names_numeric, + NULL, 0, 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_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_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, 0, + mips_cp0_names_numeric, NULL, 0, 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_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; +} + +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_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 (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. */ +#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_hwr_names = chosen_arch->hwr_names; + } +#endif +} + +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 (CONST_STRNEQ (option, "msa")) + { + mips_ase |= ASE_MSA; + if ((mips_isa & INSN_ISA_MASK) == ISA_MIPS64R2) + mips_ase |= ASE_MSA64; + return; + } + + if (CONST_STRNEQ (option, "virt")) + { + mips_ase |= ASE_VIRT; + if (mips_isa & ISA_MIPS64R2) + mips_ase |= ASE_VIRT64; + 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 '='. */ + return; + if (i == (len - 1)) /* Invalid option: no value after '='. */ + return; + + optionlen = i; + val = option + (optionlen + 1); + vallen = len - (optionlen + 1); + + if (strncmp ("gpr-names", option, optionlen) == 0 + && strlen ("gpr-names") == optionlen) + { + chosen_abi = choose_abi_by_name (val, vallen); + if (chosen_abi != NULL) + mips_gpr_names = chosen_abi->gpr_names; + return; + } + + if (strncmp ("fpr-names", option, optionlen) == 0 + && strlen ("fpr-names") == optionlen) + { + chosen_abi = choose_abi_by_name (val, vallen); + if (chosen_abi != NULL) + mips_fpr_names = chosen_abi->fpr_names; + return; + } + + 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 ("hwr-names", option, optionlen) == 0 + && strlen ("hwr-names") == optionlen) + { + chosen_arch = choose_arch_by_name (val, vallen); + if (chosen_arch != NULL) + mips_hwr_names = chosen_arch->hwr_names; + return; + } + + 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 + numeric register names for all registers. Other than + that, a given name probably won't match both. */ + chosen_abi = choose_abi_by_name (val, vallen); + if (chosen_abi != NULL) + { + 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) + { + mips_cp0_names = chosen_arch->cp0_names; + mips_cp0sel_names = chosen_arch->cp0sel_names; + mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; + mips_hwr_names = chosen_arch->hwr_names; + } + return; + } + + /* Invalid option. */ +} + +static void +parse_mips_dis_options (const char *options) +{ + const char *option_end; + + if (options == NULL) + return; + + while (*options != '\0') + { + /* Skip empty options. */ + if (*options == ',') + { + options++; + continue; + } + + /* We know that *options is neither NUL or a comma. */ + option_end = options + 1; + while (*option_end != ',' && *option_end != '\0') + option_end++; + + parse_mips_dis_option (options, option_end - options); + + /* Go on to the next one. If option_end points to a comma, it + will be skipped above. */ + options = option_end; + } +} + +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_reg (struct disassemble_info *info, const struct mips_opcode *opcode, + enum mips_reg_operand_type type, int regno) +{ + switch (type) + { + case OP_REG_GP: + info->fprintf_func (info->stream, "%s", mips_gpr_names[regno]); + break; + + case OP_REG_FP: + info->fprintf_func (info->stream, "%s", mips_fpr_names[regno]); + break; + + 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, "$cc%d", regno); + break; + + case OP_REG_VEC: + if (opcode->membership & INSN_5400) + info->fprintf_func (info->stream, "$f%d", regno); + else + info->fprintf_func (info->stream, "$v%d", regno); + break; + + case OP_REG_ACC: + info->fprintf_func (info->stream, "$ac%d", regno); + break; + + case OP_REG_COPRO: + if (opcode->name[strlen (opcode->name) - 1] == '0') + info->fprintf_func (info->stream, "%s", mips_cp0_names[regno]); + else + info->fprintf_func (info->stream, "$%d", regno); + break; + + case OP_REG_HW: + info->fprintf_func (info->stream, "%s", mips_hwr_names[regno]); + break; + + case OP_REG_VF: + info->fprintf_func (info->stream, "$vf%d", regno); + break; + + case OP_REG_VI: + info->fprintf_func (info->stream, "$vi%d", regno); + break; + + case OP_REG_R5900_I: + info->fprintf_func (info->stream, "$I"); + break; + + case OP_REG_R5900_Q: + info->fprintf_func (info->stream, "$Q"); + break; + + case OP_REG_R5900_R: + info->fprintf_func (info->stream, "$R"); + break; + + case OP_REG_R5900_ACC: + info->fprintf_func (info->stream, "$ACC"); + break; + + case OP_REG_MSA: + info->fprintf_func (info->stream, "$w%d", regno); + break; + + case OP_REG_MSA_CTRL: + info->fprintf_func (info->stream, "%s", msa_control_names[regno]); + break; + + } +} + +/* 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; +}; + +/* Initialize STATE for the start of an instruction. */ + +static inline void +init_print_arg_state (struct mips_print_arg_state *state) +{ + memset (state, 0, sizeof (*state)); +} + +/* Print OP_VU0_SUFFIX or OP_VU0_MATCH_SUFFIX operand OPERAND, + whose value is given by UVAL. */ + +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 (); +} + +/* 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. */ + +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; + + switch (operand->type) + { + case OP_INT: + { + const struct mips_int_operand *int_op; + + 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 OP_MAPPED_INT: + { + const struct mips_mapped_int_operand *mint_op; + + 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 OP_MSB: + { + const struct mips_msb_operand *msb_op; + + 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 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); + + state->last_reg_type = reg_op->reg_type; + state->last_regno = uval; + } + break; + + case OP_REG_PAIR: + { + 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 OP_PCREL: + { + const struct mips_pcrel_operand *pcrel_op; + + pcrel_op = (const struct mips_pcrel_operand *) operand; + info->target = mips_decode_pcrel_operand (pcrel_op, base_pc, uval); + + /* 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; + + case OP_PERF_REG: + infprintf (is, "%d", uval); + break; + + 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_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: + /* Should always match OP_REPEAT_PREV_REG first. */ + abort (); + + 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; + } +} + +/* 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. */ + +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 base_pc) +{ + 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 + print_insn_arg (info, &state, opcode, operand, base_pc, + mips_extract_operand (operand, insn)); + if (*s == 'm' || *s == '+') + ++s; + break; + } + } +} + +/* Print the mips instruction at address MEMADDR in debugged memory, + on using INFO. Returns length of the instruction, in bytes, which is + always INSNLEN. BIGENDIAN must be 1 if this is big-endian code, 0 if + this is little-endian code. */ + +static int +print_insn_mips (bfd_vma memaddr, + int word, + struct disassemble_info *info) +{ +#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) + { + unsigned int i; + + for (i = 0; i <= OP_MASK_OP; i++) + { + for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++) + { + if (op->pinfo == INSN_MACRO + || (no_aliases && (op->pinfo2 & INSN2_ALIAS))) + continue; + if (i == GET_OP (op->match, OP)) + { + mips_hash[i] = op; + break; + } + } + } + + init = 1; + } + + info->bytes_per_chunk = INSNLEN; + info->display_endian = info->endian; + info->insn_info_valid = 1; + info->branch_delay_insns = 0; + info->data_size = 0; + info->insn_type = dis_nonbranch; + info->target = 0; + info->target2 = 0; + + op = mips_hash[GET_OP (word, OP)]; + if (op != NULL) + { + for (; op < &mips_opcodes[NUMOPCODES]; op++) + { + if (op->pinfo != INSN_MACRO + && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) + && (word & op->mask) == op->match) + { + /* We always allow to disassemble the jalx instruction. */ + if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor) + && strcmp (op->name, "jalx")) + continue; + + /* Figure out instruction type and branch delay information. */ + if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) + { + if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0) + info->insn_type = dis_jsr; + else + info->insn_type = dis_branch; + info->branch_delay_insns = 1; + } + else if ((op->pinfo & (INSN_COND_BRANCH_DELAY + | INSN_COND_BRANCH_LIKELY)) != 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) + info->insn_type = dis_dref; + + infprintf (is, "%s", op->name); + if (op->pinfo2 & INSN2_VU0_CHANNEL_SUFFIX) + { + 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; + infprintf (is, "0x%x", word); + return INSNLEN; +} + +/* Disassemble an operand for a mips16 instruction. */ + +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) +{ + const fprintf_ftype infprintf = info->fprintf_func; + void *is = info->stream; + const struct mips_operand *operand, *ext_operand; + unsigned int uval; + bfd_vma baseaddr; + + if (!use_extend) + extend = 0; + + switch (type) + { + case ',': + case '(': + case ')': + infprintf (is, "%c", type); + break; + + 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; + } + + 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; + + 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 + { + /* 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); + else if (operand->size == 15) + uval |= ((extend & 0xf) << 11) | (extend & 0x7f0); + else + uval = ((extend >> 6) & 0x1f) | (extend & 0x20); + } + } + } + + 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; + } +} + + +/* 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) +{ + if (info->symbols + && info->symbols[0] + && (info->symbols[0]->flags & BSF_SYNTHETIC) + && addr == bfd_asymbol_value (info->symbols[0]) + 12) + return TRUE; + + return FALSE; +} + +/* Disassemble mips16 instructions. */ + +static int +print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info) +{ + const fprintf_ftype infprintf = info->fprintf_func; + int status; + 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->target = 0; + info->target2 = 0; + +#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); + return -1; + } + + length = 2; + + if (info->endian == BFD_ENDIAN_BIG) + insn = bfd_getb16 (buffer); + else + insn = bfd_getl16 (buffer); + + /* Handle the extend opcode specially. */ + use_extend = FALSE; + if ((insn & 0xf800) == 0xf000) + { + use_extend = TRUE; + extend = insn & 0x7ff; + + memaddr += 2; + + status = (*info->read_memory_func) (memaddr, buffer, 2, info); + if (status != 0) + { + infprintf (is, "extend 0x%x", (unsigned int) extend); + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + + if (info->endian == BFD_ENDIAN_BIG) + insn = bfd_getb16 (buffer); + else + insn = bfd_getl16 (buffer); + + /* Check for an extend opcode followed by an extend opcode. */ + if ((insn & 0xf800) == 0xf000) + { + infprintf (is, "extend 0x%x", (unsigned int) extend); + info->insn_type = dis_noninsn; + return length; + } + + length += 2; + } + + /* FIXME: Should probably use a hash table on the major opcode here. */ + + opend = mips16_opcodes + bfd_mips16_num_opcodes; + for (op = mips16_opcodes; op < opend; op++) + { + if (op->pinfo != INSN_MACRO + && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) + && (insn & op->mask) == op->match) + { + const char *s; + + if (op->args[0] == 'a' || op->args[0] == 'i') + { + if (use_extend) + { + infprintf (is, "extend 0x%x", (unsigned int) extend); + info->insn_type = dis_noninsn; + return length - 2; + } + + use_extend = FALSE; + + memaddr += 2; + + status = (*info->read_memory_func) (memaddr, buffer, 2, + info); + if (status == 0) + { + use_extend = TRUE; + if (info->endian == BFD_ENDIAN_BIG) + extend = bfd_getb16 (buffer); + else + extend = bfd_getl16 (buffer); + length += 2; + } + } + + infprintf (is, "%s", op->name); + if (op->args[0] != '\0') + infprintf (is, "\t"); + + init_print_arg_state (&state); + for (s = op->args; *s != '\0'; s++) + { + if (*s == ',' + && s[1] == 'w' + && GET_OP (insn, RX) == GET_OP (insn, RY)) + { + /* Skip the register and the comma. */ + ++s; + continue; + } + if (*s == ',' + && s[1] == 'v' + && GET_OP (insn, RZ) == GET_OP (insn, RX)) + { + /* Skip the register and the comma. */ + ++s; + continue; + } + 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) + { + 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) + infprintf (is, "0x%x", extend | 0xf000); + infprintf (is, "0x%x", insn); + info->insn_type = dis_noninsn; + + return length; +} + +/* Disassemble microMIPS instructions. */ + +static int +print_insn_micromips (bfd_vma memaddr, struct disassemble_info *info) +{ + 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) + { + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + + length = 2; + + if (info->endian == BFD_ENDIAN_BIG) + insn = bfd_getb16 (buffer); + else + insn = bfd_getl16 (buffer); + + if ((insn & 0xfc00) == 0x7c00) + { + /* This is a 48-bit microMIPS instruction. */ + higher = insn; + + 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; + } + if (info->endian == BFD_ENDIAN_BIG) + insn = bfd_getb16 (buffer); + else + insn = bfd_getl16 (buffer); + higher = (higher << 16) | insn; + + status = (*info->read_memory_func) (memaddr + 4, buffer, 2, info); + if (status != 0) + { + infprintf (is, "micromips 0x%x", higher); + (*info->memory_error_func) (status, memaddr + 4, info); + return -1; + } + if (info->endian == BFD_ENDIAN_BIG) + insn = bfd_getb16 (buffer); + else + insn = bfd_getl16 (buffer); + infprintf (is, "0x%x%04x (48-bit insn)", higher, insn); + + info->insn_type = dis_noninsn; + return 6; + } + else if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000) + { + /* This is a 32-bit microMIPS instruction. */ + higher = insn; + + 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; + } + + if (info->endian == BFD_ENDIAN_BIG) + insn = bfd_getb16 (buffer); + else + insn = bfd_getl16 (buffer); + + insn = insn | (higher << 16); + + length += 2; + } + + /* FIXME: Should probably use a hash table on the major opcode here. */ + + 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))) + { + infprintf (is, "%s", op->name); + + if (op->args[0]) + { + infprintf (is, "\t"); + print_insn_args (info, op, decode_micromips_operand, insn, + memaddr + length + 1); + } + + /* 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_DELAY)) != 0) + info->insn_type = dis_dref; + + return length; + } + } + + infprintf (is, "0x%x", insn); + info->insn_type = dis_noninsn; + + return length; +} + +/* Return 1 if a symbol associated with the location being disassembled + indicates a compressed (MIPS16 or microMIPS) mode. 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. */ + +static bfd_boolean +is_compressed_mode_p (struct disassemble_info *info) +{ + 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_ase + && ELF_ST_IS_MIPS16 ((*info->symbols)->udata.i)) + || (micromips_ase + && 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) + { + elf_symbol_type *symbol = (elf_symbol_type *) info->symtab[i]; + if ((!micromips_ase + && ELF_ST_IS_MIPS16 (symbol->internal_elf_sym.st_other)) + || (micromips_ase + && ELF_ST_IS_MICROMIPS (symbol->internal_elf_sym.st_other))) + return 1; + } + + return 0; +} + +/* 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. */ + +static int +_print_insn_mips (bfd_vma memaddr, + struct disassemble_info *info, + enum bfd_endian endianness) +{ + int (*print_insn_compr) (bfd_vma, struct disassemble_info *); + bfd_byte buffer[INSNLEN]; + int status; + + set_default_mips_dis_options (info); + parse_mips_dis_options (info->disassembler_options); + + 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); + + print_insn_compr = !micromips_ase ? print_insn_mips16 : print_insn_micromips; + +#if 1 + /* FIXME: If odd address, this is CLEARLY a compressed instruction. */ + /* Only a few tools will work this way. */ + if (memaddr & 0x01) + return print_insn_compr (memaddr, info); +#endif + +#if SYMTAB_AVAILABLE + if (is_compressed_mode_p (info)) + return print_insn_compr (memaddr, info); +#endif + + 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); +} + +void +print_mips_disassembler_options (FILE *stream) +{ + 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\ + msa Recognize MSA instructions.\n")); + + fprintf (stream, _("\n\ + virt Recognize the virtualization 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\ + fpr-names=ABI Print FPR names according to specified ABI.\n\ + Default: numeric.\n")); + + fprintf (stream, _("\n\ + cp0-names=ARCH Print CP0 register names according to\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 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; 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; 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")); + + fprintf (stream, _("\n")); +} -- cgit v1.2.3