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Diffstat (limited to 'opcodes/mips-dis.c')
-rw-r--r--opcodes/mips-dis.c113
1 files changed, 91 insertions, 22 deletions
diff --git a/opcodes/mips-dis.c b/opcodes/mips-dis.c
index 9a48d86d2d10..fdeb9a84c0fe 100644
--- a/opcodes/mips-dis.c
+++ b/opcodes/mips-dis.c
@@ -51,12 +51,15 @@ struct mips_cp0sel_name
const char * const name;
};
-/* The mips16 register names. */
-static const char * const mips16_reg_names[] =
+/* The mips16 registers. */
+static const unsigned int mips16_to_32_reg_map[] =
{
- "s0", "s1", "v0", "v1", "a0", "a1", "a2", "a3"
+ 16, 17, 2, 3, 4, 5, 6, 7
};
+#define mips16_reg_names(rn) mips_gpr_names[mips16_to_32_reg_map[rn]]
+
+
static const char * const mips_gpr_names_numeric[32] =
{
"$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
@@ -181,7 +184,28 @@ static const char * const mips_cp0_names_mips3264r2[32] =
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" },
@@ -370,26 +394,28 @@ const struct mips_arch_choice mips_arch_choices[] =
MIPS32 Architecture_ (MIPS Document Number MD00082, Revision 0.95),
page 1. */
{ "mips32", 1, bfd_mach_mipsisa32, CPU_MIPS32,
- ISA_MIPS32 | INSN_MIPS16 | INSN_DSP,
+ ISA_MIPS32 | INSN_MIPS16 | INSN_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 | INSN_MIPS16 | INSN_DSP | INSN_MT,
+ (ISA_MIPS32R2 | INSN_MIPS16 | INSN_SMARTMIPS | INSN_DSP | INSN_DSPR2
+ | INSN_MIPS3D | INSN_MT),
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 | INSN_DSP,
+ 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 },
{ "mips64r2", 1, bfd_mach_mipsisa64r2, CPU_MIPS64R2,
- ISA_MIPS64R2 | INSN_MIPS16 | INSN_MIPS3D | INSN_MDMX | INSN_DSP,
+ (ISA_MIPS64R2 | INSN_MIPS16 | INSN_MIPS3D | INSN_DSP | INSN_DSPR2
+ | INSN_DSP64 | INSN_MT | INSN_MDMX),
mips_cp0_names_mips3264r2,
mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
mips_hwr_names_mips3264r2 },
@@ -549,7 +575,7 @@ parse_mips_dis_option (const char *option, unsigned int len)
const struct mips_arch_choice *chosen_arch;
/* Try to match options that are simple flags */
- if (strncmp (option, "no-aliases", 10) == 0)
+ if (CONST_STRNEQ (option, "no-aliases"))
{
no_aliases = 1;
return;
@@ -688,7 +714,8 @@ static void
print_insn_args (const char *d,
register unsigned long int l,
bfd_vma pc,
- struct disassemble_info *info)
+ struct disassemble_info *info,
+ const struct mips_opcode *opp)
{
int op, delta;
unsigned int lsb, msb, msbd;
@@ -728,6 +755,26 @@ print_insn_args (const char *d,
(*info->fprintf_func) (info->stream, "0x%x", msb - lsb + 1);
break;
+ case '1':
+ (*info->fprintf_func) (info->stream, "0x%lx",
+ (l >> OP_SH_UDI1) & OP_MASK_UDI1);
+ break;
+
+ case '2':
+ (*info->fprintf_func) (info->stream, "0x%lx",
+ (l >> OP_SH_UDI2) & OP_MASK_UDI2);
+ break;
+
+ case '3':
+ (*info->fprintf_func) (info->stream, "0x%lx",
+ (l >> OP_SH_UDI3) & OP_MASK_UDI3);
+ break;
+
+ case '4':
+ (*info->fprintf_func) (info->stream, "0x%lx",
+ (l >> OP_SH_UDI4) & OP_MASK_UDI4);
+ break;
+
case 'C':
case 'H':
msbd = (l >> OP_SH_EXTMSBD) & OP_MASK_EXTMSBD;
@@ -808,6 +855,11 @@ print_insn_args (const char *d,
}
break;
+ case '2':
+ (*info->fprintf_func) (info->stream, "0x%lx",
+ (l >> OP_SH_BP) & OP_MASK_BP);
+ break;
+
case '3':
(*info->fprintf_func) (info->stream, "0x%lx",
(l >> OP_SH_SA3) & OP_MASK_SA3);
@@ -939,6 +991,10 @@ print_insn_args (const char *d,
case 'a':
info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff)
| (((l >> OP_SH_TARGET) & OP_MASK_TARGET) << 2));
+ /* For gdb disassembler, force odd address on jalx. */
+ if (info->flavour == bfd_target_unknown_flavour
+ && strcmp (opp->name, "jalx") == 0)
+ info->target |= 1;
(*info->print_address_func) (info->target, info);
break;
@@ -1069,7 +1125,9 @@ print_insn_args (const char *d,
break;
case 'N':
- (*info->fprintf_func) (info->stream, "$fcc%ld",
+ (*info->fprintf_func) (info->stream,
+ ((opp->pinfo & (FP_D | FP_S)) != 0
+ ? "$fcc%ld" : "$cc%ld"),
(l >> OP_SH_BCC) & OP_MASK_BCC);
break;
@@ -1247,7 +1305,7 @@ print_insn_mips (bfd_vma memaddr,
if (d != NULL && *d != '\0')
{
(*info->fprintf_func) (info->stream, "\t");
- print_insn_args (d, word, memaddr, info);
+ print_insn_args (d, word, memaddr, info, op);
}
return INSNLEN;
@@ -1283,27 +1341,27 @@ print_mips16_insn_arg (char type,
case 'y':
case 'w':
(*info->fprintf_func) (info->stream, "%s",
- mips16_reg_names[((l >> MIPS16OP_SH_RY)
- & MIPS16OP_MASK_RY)]);
+ mips16_reg_names(((l >> MIPS16OP_SH_RY)
+ & MIPS16OP_MASK_RY)));
break;
case 'x':
case 'v':
(*info->fprintf_func) (info->stream, "%s",
- mips16_reg_names[((l >> MIPS16OP_SH_RX)
- & MIPS16OP_MASK_RX)]);
+ mips16_reg_names(((l >> MIPS16OP_SH_RX)
+ & MIPS16OP_MASK_RX)));
break;
case 'z':
(*info->fprintf_func) (info->stream, "%s",
- mips16_reg_names[((l >> MIPS16OP_SH_RZ)
- & MIPS16OP_MASK_RZ)]);
+ mips16_reg_names(((l >> MIPS16OP_SH_RZ)
+ & MIPS16OP_MASK_RZ)));
break;
case 'Z':
(*info->fprintf_func) (info->stream, "%s",
- mips16_reg_names[((l >> MIPS16OP_SH_MOVE32Z)
- & MIPS16OP_MASK_MOVE32Z)]);
+ mips16_reg_names(((l >> MIPS16OP_SH_MOVE32Z)
+ & MIPS16OP_MASK_MOVE32Z)));
break;
case '0':
@@ -1585,15 +1643,26 @@ print_mips16_insn_arg (char type,
}
}
info->target = (baseaddr & ~((1 << shift) - 1)) + immed;
+ if (pcrel && branch
+ && info->flavour == bfd_target_unknown_flavour)
+ /* For gdb disassembler, maintain odd address. */
+ info->target |= 1;
(*info->print_address_func) (info->target, info);
}
}
break;
case 'a':
- if (! use_extend)
- extend = 0;
- l = ((l & 0x1f) << 23) | ((l & 0x3e0) << 13) | (extend << 2);
+ {
+ int jalx = l & 0x400;
+
+ if (! use_extend)
+ extend = 0;
+ l = ((l & 0x1f) << 23) | ((l & 0x3e0) << 13) | (extend << 2);
+ if (!jalx && info->flavour == bfd_target_unknown_flavour)
+ /* For gdb disassembler, maintain odd address. */
+ l |= 1;
+ }
info->target = ((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | l;
(*info->print_address_func) (info->target, info);
info->insn_type = dis_jsr;
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-23 06:37:27 +0000