diff options
Diffstat (limited to 'opcodes/mips-dis.c')
| -rw-r--r-- | opcodes/mips-dis.c | 1360 |
1 files changed, 965 insertions, 395 deletions
diff --git a/opcodes/mips-dis.c b/opcodes/mips-dis.c index d8862f78de5..176ffeb4694 100644 --- a/opcodes/mips-dis.c +++ b/opcodes/mips-dis.c @@ -1,6 +1,6 @@ /* 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 + 2000, 2001, 2002, 2003 Free Software Foundation, Inc. Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp). @@ -22,6 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "sysdep.h" #include "dis-asm.h" +#include "libiberty.h" #include "opcode/mips.h" #include "opintl.h" @@ -39,14 +40,18 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Mips instructions are at maximum this many bytes long. */ #define INSNLEN 4 +static void set_default_mips_dis_options + PARAMS ((struct disassemble_info *)); +static void parse_mips_dis_option + PARAMS ((const char *, unsigned int)); +static void parse_mips_dis_options + PARAMS ((const char *)); static int _print_insn_mips PARAMS ((bfd_vma, struct disassemble_info *, enum bfd_endian)); static int print_insn_mips PARAMS ((bfd_vma, unsigned long int, struct disassemble_info *)); -static void print_insn_arg +static void print_insn_args PARAMS ((const char *, unsigned long, bfd_vma, struct disassemble_info *)); -static void mips_isa_type - PARAMS ((int, int *, int *)); static int print_insn_mips16 PARAMS ((bfd_vma, struct disassemble_info *)); static int is_newabi @@ -57,417 +62,948 @@ static void print_mips16_insn_arg /* FIXME: These should be shared with gdb somehow. */ +struct mips_cp0sel_name { + unsigned int cp0reg; + unsigned int sel; + const char * const name; +}; + /* The mips16 register names. */ static const char * const mips16_reg_names[] = { "s0", "s1", "v0", "v1", "a0", "a1", "a2", "a3" }; -static const char * const mips32_reg_names[] = { - "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", - "sr", "lo", "hi", "bad", "cause", "pc", - "fv0", "$f1", "fv1", "$f3", "ft0", "$f5", "ft1", "$f7", - "ft2", "$f9", "ft3", "$f11", "fa0", "$f13", "fa1", "$f15", - "ft4", "f17", "ft5", "f19", "fs0", "f21", "fs1", "f23", - "fs2", "$f25", "fs3", "$f27", "fs4", "$f29", "fs5", "$f31", - "fsr", "fir", "fp", "inx", "rand", "tlblo", "ctxt", "tlbhi", - "epc", "prid" +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", "$31" }; -static const char * const mips64_reg_names[] = { - "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", - "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3", - "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", - "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", - "sr", "lo", "hi", "bad", "cause", "pc", - "fv0", "$f1", "fv1", "$f3", "ft0", "ft1", "ft2", "ft3", - "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3", - "fa4", "fa5", "fa6", "fa7", "ft8", "ft9", "ft10", "ft11", - "fs0", "fs1", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", - "fsr", "fir", "fp", "inx", "rand", "tlblo", "ctxt", "tlbhi", - "epc", "prid" +static const char * const mips_gpr_names_oldabi[32] = { + "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", + "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", + "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", + "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" }; -/* Scalar register names. _print_insn_mips() decides which register name - table to use. */ -static const char * const *reg_names = NULL; - -/* Print insn arguments for 32/64-bit code. */ +static const char * const mips_gpr_names_newabi[32] = { + "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", + "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3", + "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", + "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" +}; -static void -print_insn_arg (d, l, pc, info) - const char *d; - register unsigned long int l; - bfd_vma pc; - struct disassemble_info *info; -{ - int delta; +static const char * const mips_fpr_names_numeric[32] = { + "$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" +}; - switch (*d) - { - case ',': - case '(': - case ')': - case '[': - case ']': - (*info->fprintf_func) (info->stream, "%c", *d); - break; +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" +}; - case 's': - case 'b': - case 'r': - case 'v': - (*info->fprintf_func) (info->stream, "%s", - reg_names[(l >> OP_SH_RS) & OP_MASK_RS]); - break; +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" +}; - case 't': - case 'w': - (*info->fprintf_func) (info->stream, "%s", - reg_names[(l >> OP_SH_RT) & OP_MASK_RT]); - break; +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" +}; - case 'i': - case 'u': - (*info->fprintf_func) (info->stream, "0x%x", - (l >> OP_SH_IMMEDIATE) & OP_MASK_IMMEDIATE); - break; +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" +}; - case 'j': /* Same as i, but sign-extended. */ - case 'o': - delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA; - if (delta & 0x8000) - delta |= ~0xffff; - (*info->fprintf_func) (info->stream, "%d", - delta); - break; +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", +}; - case 'h': - (*info->fprintf_func) (info->stream, "0x%x", - (unsigned int) ((l >> OP_SH_PREFX) - & OP_MASK_PREFX)); - break; +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" } +}; - case 'k': - (*info->fprintf_func) (info->stream, "0x%x", - (unsigned int) ((l >> OP_SH_CACHE) - & OP_MASK_CACHE)); - break; +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", +}; - case 'a': - info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff) - | (((l >> OP_SH_TARGET) & OP_MASK_TARGET) << 2)); - (*info->print_address_func) (info->target, info); - break; +static const struct mips_cp0sel_name mips_cp0sel_names_mips3264r2[] = { + { 4, 1, "c0_contextconfig" }, + { 5, 1, "c0_pagegrain" }, + { 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" }, +}; - case 'p': - /* Sign extend the displacement. */ - delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA; - if (delta & 0x8000) - delta |= ~0xffff; - info->target = (delta << 2) + pc + INSNLEN; - (*info->print_address_func) (info->target, info); - break; +/* 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", +}; - case 'd': - (*info->fprintf_func) (info->stream, "%s", - reg_names[(l >> OP_SH_RD) & OP_MASK_RD]); - break; +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" }, +}; - case 'U': - { - /* First check for both rd and rt being equal. */ - unsigned int reg = (l >> OP_SH_RD) & OP_MASK_RD; - if (reg == ((l >> OP_SH_RT) & OP_MASK_RT)) - (*info->fprintf_func) (info->stream, "%s", - reg_names[reg]); - else - { - /* If one is zero use the other. */ - if (reg == 0) - (*info->fprintf_func) (info->stream, "%s", - reg_names[(l >> OP_SH_RT) & OP_MASK_RT]); - else if (((l >> OP_SH_RT) & OP_MASK_RT) == 0) - (*info->fprintf_func) (info->stream, "%s", - reg_names[reg]); - else /* Bogus, result depends on processor. */ - (*info->fprintf_func) (info->stream, "%s or %s", - reg_names[reg], - reg_names[(l >> OP_SH_RT) & OP_MASK_RT]); - } - } - break; +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" +}; - case 'z': - (*info->fprintf_func) (info->stream, "%s", reg_names[0]); - break; +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" +}; - case '<': - (*info->fprintf_func) (info->stream, "0x%x", - (l >> OP_SH_SHAMT) & OP_MASK_SHAMT); - break; +struct mips_abi_choice { + const char *name; + const char * const *gpr_names; + const char * const *fpr_names; +}; - case 'c': - (*info->fprintf_func) (info->stream, "0x%x", - (l >> OP_SH_CODE) & OP_MASK_CODE); - break; +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 }, +}; - case 'q': - (*info->fprintf_func) (info->stream, "0x%x", - (l >> OP_SH_CODE2) & OP_MASK_CODE2); - break; +struct mips_arch_choice { + const char *name; + int bfd_mach_valid; + unsigned long bfd_mach; + int processor; + int isa; + const char * const *cp0_names; + const struct mips_cp0sel_name *cp0sel_names; + unsigned int cp0sel_names_len; + const char * const *hwr_names; +}; - case 'C': - (*info->fprintf_func) (info->stream, "0x%x", - (l >> OP_SH_COPZ) & OP_MASK_COPZ); - break; +const struct mips_arch_choice mips_arch_choices[] = { + { "numeric", 0, 0, 0, 0, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + + { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, + { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5, + 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 | INSN_MIPS16, + 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 | INSN_MIPS16, + 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 | INSN_MIPS16 | INSN_MIPS3D | INSN_MDMX, + mips_cp0_names_mips3264, + mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), + mips_hwr_names_numeric }, + + { "sb1", 1, bfd_mach_mips_sb1, CPU_SB1, + ISA_MIPS64 | INSN_MIPS3D | INSN_SB1, + mips_cp0_names_sb1, + mips_cp0sel_names_sb1, ARRAY_SIZE (mips_cp0sel_names_sb1), + mips_hwr_names_numeric }, + + /* This entry, mips16, is here only for ISA/processor selection; do + not print its name. */ + { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3 | INSN_MIPS16, + mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, +}; - case 'B': - (*info->fprintf_func) (info->stream, "0x%x", - (l >> OP_SH_CODE20) & OP_MASK_CODE20); - break; +/* 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 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; + +static const struct mips_abi_choice *choose_abi_by_name + PARAMS ((const char *, unsigned int)); +static const struct mips_arch_choice *choose_arch_by_name + PARAMS ((const char *, unsigned int)); +static const struct mips_arch_choice *choose_arch_by_number + PARAMS ((unsigned long)); +static const struct mips_cp0sel_name *lookup_mips_cp0sel_name + PARAMS ((const struct mips_cp0sel_name *, unsigned int, unsigned int, + unsigned int)); + +static const struct mips_abi_choice * +choose_abi_by_name (name, namelen) + const char *name; + unsigned int namelen; +{ + const struct mips_abi_choice *c; + unsigned int i; - case 'J': - (*info->fprintf_func) (info->stream, "0x%x", - (l >> OP_SH_CODE19) & OP_MASK_CODE19); - break; + 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; +} - case 'S': - case 'V': - (*info->fprintf_func) (info->stream, "$f%d", - (l >> OP_SH_FS) & OP_MASK_FS); - break; +static const struct mips_arch_choice * +choose_arch_by_name (name, namelen) + const char *name; + unsigned int namelen; +{ + const struct mips_arch_choice *c = NULL; + unsigned int i; - case 'T': - case 'W': - (*info->fprintf_func) (info->stream, "$f%d", - (l >> OP_SH_FT) & OP_MASK_FT); - break; + for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) + { + if (strncmp (mips_arch_choices[i].name, name, namelen) == 0 + && strlen (mips_arch_choices[i].name) == namelen) + c = &mips_arch_choices[i]; + } + return c; +} - case 'D': - (*info->fprintf_func) (info->stream, "$f%d", - (l >> OP_SH_FD) & OP_MASK_FD); - break; +static const struct mips_arch_choice * +choose_arch_by_number (mach) + 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; +} - case 'R': - (*info->fprintf_func) (info->stream, "$f%d", - (l >> OP_SH_FR) & OP_MASK_FR); - break; +void +set_default_mips_dis_options (info) + struct disassemble_info *info; +{ + const struct mips_arch_choice *chosen_arch; + + /* Defaults: mipsIII/r3000 (?!), (o)32-style ("oldabi") GPR names, + and numeric FPR, CP0 register, and HWR names. */ + mips_isa = ISA_MIPS3; + mips_processor = CPU_R3000; + mips_gpr_names = mips_gpr_names_oldabi; + mips_fpr_names = mips_fpr_names_numeric; + mips_cp0_names = mips_cp0_names_numeric; + mips_cp0sel_names = NULL; + mips_cp0sel_names_len = 0; + mips_hwr_names = mips_hwr_names_numeric; + + /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */ + if (info->flavour == bfd_target_elf_flavour && info->symbols != NULL) + { + Elf_Internal_Ehdr *header; - case 'E': - (*info->fprintf_func) (info->stream, "$%d", - (l >> OP_SH_RT) & OP_MASK_RT); - break; + header = elf_elfheader (bfd_asymbol_bfd (*(info->symbols))); + if (is_newabi (header)) + mips_gpr_names = mips_gpr_names_newabi; + } - case 'G': - (*info->fprintf_func) (info->stream, "$%d", - (l >> OP_SH_RD) & OP_MASK_RD); - break; + /* Set ISA, architecture, and cp0 register names as best we can. */ +#if ! SYMTAB_AVAILABLE + /* This is running out on a target machine, not in a host tool. + FIXME: Where does mips_target_info come from? */ + target_processor = mips_target_info.processor; + mips_isa = mips_target_info.isa; +#else + chosen_arch = choose_arch_by_number (info->mach); + if (chosen_arch != NULL) + { + mips_processor = chosen_arch->processor; + mips_isa = chosen_arch->isa; + mips_cp0_names = chosen_arch->cp0_names; + mips_cp0sel_names = chosen_arch->cp0sel_names; + mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; + mips_hwr_names = chosen_arch->hwr_names; + } +#endif +} - case 'N': - (*info->fprintf_func) (info->stream, "$fcc%d", - (l >> OP_SH_BCC) & OP_MASK_BCC); - break; +void +parse_mips_dis_option (option, len) + 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; - case 'M': - (*info->fprintf_func) (info->stream, "$fcc%d", - (l >> OP_SH_CCC) & OP_MASK_CCC); - break; + /* 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; + } - case 'P': - (*info->fprintf_func) (info->stream, "%d", - (l >> OP_SH_PERFREG) & OP_MASK_PERFREG); - break; + 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; + } - case 'e': - (*info->fprintf_func) (info->stream, "%d", - (l >> OP_SH_VECBYTE) & OP_MASK_VECBYTE); - break; + 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; + } - case '%': - (*info->fprintf_func) (info->stream, "%d", - (l >> OP_SH_VECALIGN) & OP_MASK_VECALIGN); - break; + 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; + } - case 'H': - (*info->fprintf_func) (info->stream, "%d", - (l >> OP_SH_SEL) & OP_MASK_SEL); - break; + 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; + } - case 'O': - (*info->fprintf_func) (info->stream, "%d", - (l >> OP_SH_ALN) & OP_MASK_ALN); - break; + /* Invalid option. */ +} - case 'Q': - { - unsigned int vsel = (l >> OP_SH_VSEL) & OP_MASK_VSEL; - if ((vsel & 0x10) == 0) - { - int fmt; - vsel &= 0x0f; - for (fmt = 0; fmt < 3; fmt++, vsel >>= 1) - if ((vsel & 1) == 0) - break; - (*info->fprintf_func) (info->stream, "$v%d[%d]", - (l >> OP_SH_FT) & OP_MASK_FT, - vsel >> 1); - } - else if ((vsel & 0x08) == 0) - { - (*info->fprintf_func) (info->stream, "$v%d", - (l >> OP_SH_FT) & OP_MASK_FT); - } - else - { - (*info->fprintf_func) (info->stream, "0x%x", - (l >> OP_SH_FT) & OP_MASK_FT); - } - } - break; +void +parse_mips_dis_options (options) + const char *options; +{ + const char *option_end; - case 'X': - (*info->fprintf_func) (info->stream, "$v%d", - (l >> OP_SH_FD) & OP_MASK_FD); - break; + if (options == NULL) + return; - case 'Y': - (*info->fprintf_func) (info->stream, "$v%d", - (l >> OP_SH_FS) & OP_MASK_FS); - break; + while (*options != '\0') + { + /* Skip empty options. */ + if (*options == ',') + { + options++; + continue; + } - case 'Z': - (*info->fprintf_func) (info->stream, "$v%d", - (l >> OP_SH_FT) & OP_MASK_FT); - break; + /* We know that *options is neither NUL or a comma. */ + option_end = options + 1; + while (*option_end != ',' && *option_end != '\0') + option_end++; - default: - /* xgettext:c-format */ - (*info->fprintf_func) (info->stream, - _("# internal error, undefined modifier(%c)"), - *d); - break; + 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(names, len, cp0reg, sel) + const struct mips_cp0sel_name *names; + unsigned int len, cp0reg, sel; +{ + unsigned int i; + + for (i = 0; i < len; i++) + if (names[i].cp0reg == cp0reg && names[i].sel == sel) + return &names[i]; + return NULL; +} -/* Figure out the MIPS ISA and CPU based on the machine number. */ +/* Print insn arguments for 32/64-bit code. */ static void -mips_isa_type (mach, isa, cputype) - int mach; - int *isa; - int *cputype; +print_insn_args (d, l, pc, info) + const char *d; + register unsigned long int l; + bfd_vma pc; + struct disassemble_info *info; { - switch (mach) + int op, delta; + unsigned int lsb, msb, msbd; + + lsb = 0; + + for (; *d != '\0'; d++) { - case bfd_mach_mips3000: - *cputype = CPU_R3000; - *isa = ISA_MIPS1; - break; - case bfd_mach_mips3900: - *cputype = CPU_R3900; - *isa = ISA_MIPS1; - break; - case bfd_mach_mips4000: - *cputype = CPU_R4000; - *isa = ISA_MIPS3; - break; - case bfd_mach_mips4010: - *cputype = CPU_R4010; - *isa = ISA_MIPS2; - break; - case bfd_mach_mips4100: - *cputype = CPU_VR4100; - *isa = ISA_MIPS3; - break; - case bfd_mach_mips4111: - *cputype = CPU_R4111; - *isa = ISA_MIPS3; - break; - case bfd_mach_mips4120: - *cputype = CPU_VR4120; - *isa = ISA_MIPS3; - break; - case bfd_mach_mips4300: - *cputype = CPU_R4300; - *isa = ISA_MIPS3; - break; - case bfd_mach_mips4400: - *cputype = CPU_R4400; - *isa = ISA_MIPS3; - break; - case bfd_mach_mips4600: - *cputype = CPU_R4600; - *isa = ISA_MIPS3; - break; - case bfd_mach_mips4650: - *cputype = CPU_R4650; - *isa = ISA_MIPS3; - break; - case bfd_mach_mips5000: - *cputype = CPU_R5000; - *isa = ISA_MIPS4; - break; - case bfd_mach_mips5400: - *cputype = CPU_VR5400; - *isa = ISA_MIPS4; - break; - case bfd_mach_mips5500: - *cputype = CPU_VR5500; - *isa = ISA_MIPS4; - break; - case bfd_mach_mips6000: - *cputype = CPU_R6000; - *isa = ISA_MIPS2; - break; - case bfd_mach_mips8000: - *cputype = CPU_R8000; - *isa = ISA_MIPS4; - break; - case bfd_mach_mips10000: - *cputype = CPU_R10000; - *isa = ISA_MIPS4; - break; - case bfd_mach_mips12000: - *cputype = CPU_R12000; - *isa = ISA_MIPS4; - break; - case bfd_mach_mips16: - *cputype = CPU_MIPS16; - *isa = ISA_MIPS3 | INSN_MIPS16; - break; - case bfd_mach_mips5: - *cputype = CPU_MIPS5; - *isa = ISA_MIPS5; - break; - case bfd_mach_mips_sb1: - *cputype = CPU_SB1; - *isa = ISA_MIPS64 | INSN_MIPS3D | INSN_SB1; - break; - case bfd_mach_mipsisa32: - *cputype = CPU_MIPS32; - /* 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. */ - *isa = ISA_MIPS32 | INSN_MIPS16; - break; - case bfd_mach_mipsisa64: - *cputype = CPU_MIPS64; - /* For stock MIPS64, disassemble all applicable MIPS-specified ASEs. */ - *isa = ISA_MIPS64 | INSN_MIPS16 | INSN_MIPS3D | INSN_MDMX; - break; + switch (*d) + { + case ',': + case '(': + case ')': + case '[': + case ']': + (*info->fprintf_func) (info->stream, "%c", *d); + break; + + case '+': + /* Extension character; switch for second char. */ + d++; + switch (*d) + { + case '\0': + /* xgettext:c-format */ + (*info->fprintf_func) (info->stream, + _("# internal error, incomplete extension sequence (+)")); + return; + + case 'A': + lsb = (l >> OP_SH_SHAMT) & OP_MASK_SHAMT; + (*info->fprintf_func) (info->stream, "0x%x", lsb); + break; + + case 'B': + msb = (l >> OP_SH_INSMSB) & OP_MASK_INSMSB; + (*info->fprintf_func) (info->stream, "0x%x", msb - lsb + 1); + break; + + case 'C': + msbd = (l >> OP_SH_EXTMSBD) & OP_MASK_EXTMSBD; + (*info->fprintf_func) (info->stream, "0x%x", msbd + 1); + break; + + case 'D': + { + const struct mips_cp0sel_name *n; + unsigned int cp0reg, sel; + + cp0reg = (l >> OP_SH_RD) & OP_MASK_RD; + sel = (l >> OP_SH_SEL) & OP_MASK_SEL; + + /* CP0 register including 'sel' code for mtcN (et al.), 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, cp0reg, sel); + if (n != NULL) + (*info->fprintf_func) (info->stream, "%s", n->name); + else + (*info->fprintf_func) (info->stream, "$%d,%d", cp0reg, sel); + break; + } - default: - *cputype = CPU_R3000; - *isa = ISA_MIPS3; - break; + default: + /* xgettext:c-format */ + (*info->fprintf_func) (info->stream, + _("# internal error, undefined extension sequence (+%c)"), + *d); + return; + } + break; + + case 's': + case 'b': + case 'r': + case 'v': + (*info->fprintf_func) (info->stream, "%s", + mips_gpr_names[(l >> OP_SH_RS) & OP_MASK_RS]); + break; + + case 't': + case 'w': + (*info->fprintf_func) (info->stream, "%s", + mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]); + break; + + case 'i': + case 'u': + (*info->fprintf_func) (info->stream, "0x%x", + (l >> OP_SH_IMMEDIATE) & OP_MASK_IMMEDIATE); + break; + + case 'j': /* Same as i, but sign-extended. */ + case 'o': + delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA; + if (delta & 0x8000) + delta |= ~0xffff; + (*info->fprintf_func) (info->stream, "%d", + delta); + break; + + case 'h': + (*info->fprintf_func) (info->stream, "0x%x", + (unsigned int) ((l >> OP_SH_PREFX) + & OP_MASK_PREFX)); + break; + + case 'k': + (*info->fprintf_func) (info->stream, "0x%x", + (unsigned int) ((l >> OP_SH_CACHE) + & OP_MASK_CACHE)); + break; + + case 'a': + info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff) + | (((l >> OP_SH_TARGET) & OP_MASK_TARGET) << 2)); + (*info->print_address_func) (info->target, info); + break; + + case 'p': + /* Sign extend the displacement. */ + delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA; + if (delta & 0x8000) + delta |= ~0xffff; + info->target = (delta << 2) + pc + INSNLEN; + (*info->print_address_func) (info->target, info); + break; + + case 'd': + (*info->fprintf_func) (info->stream, "%s", + mips_gpr_names[(l >> OP_SH_RD) & OP_MASK_RD]); + break; + + case 'U': + { + /* First check for both rd and rt being equal. */ + unsigned int reg = (l >> OP_SH_RD) & OP_MASK_RD; + if (reg == ((l >> OP_SH_RT) & OP_MASK_RT)) + (*info->fprintf_func) (info->stream, "%s", + mips_gpr_names[reg]); + else + { + /* If one is zero use the other. */ + if (reg == 0) + (*info->fprintf_func) (info->stream, "%s", + mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]); + else if (((l >> OP_SH_RT) & OP_MASK_RT) == 0) + (*info->fprintf_func) (info->stream, "%s", + mips_gpr_names[reg]); + else /* Bogus, result depends on processor. */ + (*info->fprintf_func) (info->stream, "%s or %s", + mips_gpr_names[reg], + mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]); + } + } + break; + + case 'z': + (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[0]); + break; + + case '<': + (*info->fprintf_func) (info->stream, "0x%x", + (l >> OP_SH_SHAMT) & OP_MASK_SHAMT); + break; + + case 'c': + (*info->fprintf_func) (info->stream, "0x%x", + (l >> OP_SH_CODE) & OP_MASK_CODE); + break; + + case 'q': + (*info->fprintf_func) (info->stream, "0x%x", + (l >> OP_SH_CODE2) & OP_MASK_CODE2); + break; + + case 'C': + (*info->fprintf_func) (info->stream, "0x%x", + (l >> OP_SH_COPZ) & OP_MASK_COPZ); + break; + + case 'B': + (*info->fprintf_func) (info->stream, "0x%x", + (l >> OP_SH_CODE20) & OP_MASK_CODE20); + break; + + case 'J': + (*info->fprintf_func) (info->stream, "0x%x", + (l >> OP_SH_CODE19) & OP_MASK_CODE19); + break; + + case 'S': + case 'V': + (*info->fprintf_func) (info->stream, "%s", + mips_fpr_names[(l >> OP_SH_FS) & OP_MASK_FS]); + break; + + case 'T': + case 'W': + (*info->fprintf_func) (info->stream, "%s", + mips_fpr_names[(l >> OP_SH_FT) & OP_MASK_FT]); + break; + + case 'D': + (*info->fprintf_func) (info->stream, "%s", + mips_fpr_names[(l >> OP_SH_FD) & OP_MASK_FD]); + break; + + case 'R': + (*info->fprintf_func) (info->stream, "%s", + mips_fpr_names[(l >> OP_SH_FR) & OP_MASK_FR]); + break; + + case 'E': + /* Coprocessor register for lwcN instructions, et al. + + Note that there is no load/store cp0 instructions, and + that FPU (cp1) instructions disassemble this field using + 'T' format. Therefore, until we gain understanding of + cp2 register names, we can simply print the register + numbers. */ + (*info->fprintf_func) (info->stream, "$%d", + (l >> OP_SH_RT) & OP_MASK_RT); + break; + + case 'G': + /* Coprocessor register for mtcN instructions, et al. Note + that FPU (cp1) instructions disassemble this field using + 'S' format. Therefore, we only need to worry about cp0, + cp2, and cp3. */ + op = (l >> OP_SH_OP) & OP_MASK_OP; + if (op == OP_OP_COP0) + (*info->fprintf_func) (info->stream, "%s", + mips_cp0_names[(l >> OP_SH_RD) & OP_MASK_RD]); + else + (*info->fprintf_func) (info->stream, "$%d", + (l >> OP_SH_RD) & OP_MASK_RD); + break; + + case 'K': + (*info->fprintf_func) (info->stream, "%s", + mips_hwr_names[(l >> OP_SH_RD) & OP_MASK_RD]); + break; + + case 'N': + (*info->fprintf_func) (info->stream, "$fcc%d", + (l >> OP_SH_BCC) & OP_MASK_BCC); + break; + + case 'M': + (*info->fprintf_func) (info->stream, "$fcc%d", + (l >> OP_SH_CCC) & OP_MASK_CCC); + break; + + case 'P': + (*info->fprintf_func) (info->stream, "%d", + (l >> OP_SH_PERFREG) & OP_MASK_PERFREG); + break; + + case 'e': + (*info->fprintf_func) (info->stream, "%d", + (l >> OP_SH_VECBYTE) & OP_MASK_VECBYTE); + break; + + case '%': + (*info->fprintf_func) (info->stream, "%d", + (l >> OP_SH_VECALIGN) & OP_MASK_VECALIGN); + break; + + case 'H': + (*info->fprintf_func) (info->stream, "%d", + (l >> OP_SH_SEL) & OP_MASK_SEL); + break; + + case 'O': + (*info->fprintf_func) (info->stream, "%d", + (l >> OP_SH_ALN) & OP_MASK_ALN); + break; + + case 'Q': + { + unsigned int vsel = (l >> OP_SH_VSEL) & OP_MASK_VSEL; + if ((vsel & 0x10) == 0) + { + int fmt; + vsel &= 0x0f; + for (fmt = 0; fmt < 3; fmt++, vsel >>= 1) + if ((vsel & 1) == 0) + break; + (*info->fprintf_func) (info->stream, "$v%d[%d]", + (l >> OP_SH_FT) & OP_MASK_FT, + vsel >> 1); + } + else if ((vsel & 0x08) == 0) + { + (*info->fprintf_func) (info->stream, "$v%d", + (l >> OP_SH_FT) & OP_MASK_FT); + } + else + { + (*info->fprintf_func) (info->stream, "0x%x", + (l >> OP_SH_FT) & OP_MASK_FT); + } + } + break; + + case 'X': + (*info->fprintf_func) (info->stream, "$v%d", + (l >> OP_SH_FD) & OP_MASK_FD); + break; + + case 'Y': + (*info->fprintf_func) (info->stream, "$v%d", + (l >> OP_SH_FS) & OP_MASK_FS); + break; + + case 'Z': + (*info->fprintf_func) (info->stream, "$v%d", + (l >> OP_SH_FT) & OP_MASK_FT); + break; + + default: + /* xgettext:c-format */ + (*info->fprintf_func) (info->stream, + _("# internal error, undefined modifier(%c)"), + *d); + return; + } } } - + /* Check if the object uses NewABI conventions. */ static int @@ -497,7 +1033,6 @@ print_insn_mips (memaddr, word, info) struct disassemble_info *info; { register const struct mips_opcode *op; - int target_processor, mips_isa; static bfd_boolean init = 0; static const struct mips_opcode *mips_hash[OP_MASK_OP + 1]; @@ -523,15 +1058,6 @@ print_insn_mips (memaddr, word, info) init = 1; } -#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; -#else - mips_isa_type (info->mach, &mips_isa, &target_processor); -#endif - info->bytes_per_chunk = INSNLEN; info->display_endian = info->endian; info->insn_info_valid = 1; @@ -551,7 +1077,7 @@ print_insn_mips (memaddr, word, info) register const char *d; /* We always allow to disassemble the jalx instruction. */ - if (! OPCODE_IS_MEMBER (op, mips_isa, target_processor) + if (! OPCODE_IS_MEMBER (op, mips_isa, mips_processor) && strcmp (op->name, "jalx")) continue; @@ -583,8 +1109,7 @@ print_insn_mips (memaddr, word, info) if (d != NULL && *d != '\0') { (*info->fprintf_func) (info->stream, "\t"); - for (; *d != '\0'; d++) - print_insn_arg (d, word, memaddr, info); + print_insn_args (d, word, memaddr, info); } return INSNLEN; @@ -613,6 +1138,9 @@ _print_insn_mips (memaddr, info, endianness) bfd_byte buffer[INSNLEN]; int status; + set_default_mips_dis_options (info); + parse_mips_dis_options (info->disassembler_options); + #if 1 /* FIXME: If odd address, this is CLEARLY a mips 16 instruction. */ /* Only a few tools will work this way. */ @@ -629,18 +1157,6 @@ _print_insn_mips (memaddr, info, endianness) return print_insn_mips16 (memaddr, info); #endif - /* Use mips64_reg_names for new ABI. */ - reg_names = mips32_reg_names; - - if (info->flavour == bfd_target_elf_flavour && info->symbols != NULL) - { - Elf_Internal_Ehdr *header; - - header = elf_elfheader (bfd_asymbol_bfd (*(info->symbols))); - if (is_newabi (header)) - reg_names = mips64_reg_names; - } - status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info); if (status == 0) { @@ -879,11 +1395,11 @@ print_mips16_insn_arg (type, op, l, use_extend, extend, memaddr, info) break; case '0': - (*info->fprintf_func) (info->stream, "%s", mips32_reg_names[0]); + (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[0]); break; case 'S': - (*info->fprintf_func) (info->stream, "%s", mips32_reg_names[29]); + (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[29]); break; case 'P': @@ -891,18 +1407,18 @@ print_mips16_insn_arg (type, op, l, use_extend, extend, memaddr, info) break; case 'R': - (*info->fprintf_func) (info->stream, "%s", mips32_reg_names[31]); + (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[31]); break; case 'X': (*info->fprintf_func) (info->stream, "%s", - mips32_reg_names[((l >> MIPS16OP_SH_REGR32) - & MIPS16OP_MASK_REGR32)]); + mips_gpr_names[((l >> MIPS16OP_SH_REGR32) + & MIPS16OP_MASK_REGR32)]); break; case 'Y': (*info->fprintf_func) (info->stream, "%s", - mips32_reg_names[MIPS16OP_EXTRACT_REG32R (l)]); + mips_gpr_names[MIPS16OP_EXTRACT_REG32R (l)]); break; case '<': @@ -1185,10 +1701,10 @@ print_mips16_insn_arg (type, op, l, use_extend, extend, memaddr, info) if (amask > 0 && amask < 5) { - (*info->fprintf_func) (info->stream, "%s", mips32_reg_names[4]); + (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[4]); if (amask > 1) (*info->fprintf_func) (info->stream, "-%s", - mips32_reg_names[amask + 3]); + mips_gpr_names[amask + 3]); need_comma = 1; } @@ -1203,10 +1719,10 @@ print_mips16_insn_arg (type, op, l, use_extend, extend, memaddr, info) { (*info->fprintf_func) (info->stream, "%s%s", need_comma ? "," : "", - mips32_reg_names[16]); + mips_gpr_names[16]); if (smask > 1) (*info->fprintf_func) (info->stream, "-%s", - mips32_reg_names[smask + 15]); + mips_gpr_names[smask + 15]); need_comma = 1; } @@ -1214,7 +1730,7 @@ print_mips16_insn_arg (type, op, l, use_extend, extend, memaddr, info) { (*info->fprintf_func) (info->stream, "%s%s", need_comma ? "," : "", - mips32_reg_names[31]); + mips_gpr_names[31]); need_comma = 1; } @@ -1237,3 +1753,57 @@ print_mips16_insn_arg (type, op, l, use_extend, extend, memaddr, info) abort (); } } + +void +print_mips_disassembler_options (stream) + FILE *stream; +{ + int i; + + fprintf (stream, _("\n\ +The following MIPS specific disassembler options are supported for use\n\ +with the -M switch (multiple options should be separated by commas):\n")); + + fprintf (stream, _("\n\ + gpr-names=ABI Print GPR names according to specified ABI.\n\ + 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; mips_abi_choices[i].name != NULL; i++) + fprintf (stream, " %s", mips_abi_choices[i].name); + fprintf (stream, _("\n")); + + fprintf (stream, _("\n\ + For the options above, The following values are supported for \"ARCH\":\n\ + ")); + for (i = 0; mips_arch_choices[i].name != NULL; i++) + if (*mips_arch_choices[i].name != '\0') + fprintf (stream, " %s", mips_arch_choices[i].name); + fprintf (stream, _("\n")); + + fprintf (stream, _("\n")); +} |