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| author | H.J. Lu <hjl.tools@gmail.com> | 2016-11-07 14:58:38 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2016-11-07 14:58:38 -0800 |
| commit | 48c97fa1ba7d6628352fc2433abd91a41f6c8171 (patch) | |
| tree | 6ace8e9feb806261451632e6410f65abc7f9bac1 /opcodes/i386-dis.c | |
| parent | 5996220cfa24ef6fddb782617720cd56913b1bb7 (diff) | |
| download | gdb-48c97fa1ba7d6628352fc2433abd91a41f6c8171.zip gdb-48c97fa1ba7d6628352fc2433abd91a41f6c8171.tar.gz gdb-48c97fa1ba7d6628352fc2433abd91a41f6c8171.tar.bz2 | |
X86: Properly handle bad FPU opcode
Since Bad_Opcode and FGRPd9_2 were the same in i386-dis.c, all
Bad_Opcode entries in float_reg were displaced as FGRPd9_2. This
patch adds an entry for Bad_Opcode in fgrps to avoid treating it
as FGRPd9_2.
gas/
PR binutils/20775
* testsuite/gas/i386/i386.exp: Run fpu-bad.
* testsuite/gas/i386/fpu-bad.d: New file.
* testsuite/gas/i386/fpu-bad.s: Likewise.
opcodes/
PR binutils/20775
* i386-dis.c (FGRPd9_2): Replace 0 with 1.
(FGRPd9_4): Replace 1 with 2.
(FGRPd9_5): Replace 2 with 3.
(FGRPd9_6): Replace 3 with 4.
(FGRPd9_7): Replace 4 with 5.
(FGRPda_5): Replace 5 with 6.
(FGRPdb_4): Replace 6 with 7.
(FGRPde_3): Replace 7 with 8.
(FGRPdf_4): Replace 8 with 9.
(fgrps): Add an entry for Bad_Opcode.
Diffstat (limited to 'opcodes/i386-dis.c')
| -rw-r--r-- | opcodes/i386-dis.c | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 22f77aa..ec4a697 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -13830,15 +13830,15 @@ static const unsigned char float_mem_mode[] = { #define ST { OP_ST, 0 } #define STi { OP_STi, 0 } -#define FGRPd9_2 NULL, { { NULL, 0 } }, 0 -#define FGRPd9_4 NULL, { { NULL, 1 } }, 0 -#define FGRPd9_5 NULL, { { NULL, 2 } }, 0 -#define FGRPd9_6 NULL, { { NULL, 3 } }, 0 -#define FGRPd9_7 NULL, { { NULL, 4 } }, 0 -#define FGRPda_5 NULL, { { NULL, 5 } }, 0 -#define FGRPdb_4 NULL, { { NULL, 6 } }, 0 -#define FGRPde_3 NULL, { { NULL, 7 } }, 0 -#define FGRPdf_4 NULL, { { NULL, 8 } }, 0 +#define FGRPd9_2 NULL, { { NULL, 1 } }, 0 +#define FGRPd9_4 NULL, { { NULL, 2 } }, 0 +#define FGRPd9_5 NULL, { { NULL, 3 } }, 0 +#define FGRPd9_6 NULL, { { NULL, 4 } }, 0 +#define FGRPd9_7 NULL, { { NULL, 5 } }, 0 +#define FGRPda_5 NULL, { { NULL, 6 } }, 0 +#define FGRPdb_4 NULL, { { NULL, 7 } }, 0 +#define FGRPde_3 NULL, { { NULL, 8 } }, 0 +#define FGRPdf_4 NULL, { { NULL, 9 } }, 0 static const struct dis386 float_reg[][8] = { /* d8 */ @@ -13932,48 +13932,53 @@ static const struct dis386 float_reg[][8] = { }; static char *fgrps[][8] = { - /* d9_2 0 */ + /* Bad opcode 0 */ + { + "(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", + }, + + /* d9_2 1 */ { "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", }, - /* d9_4 1 */ + /* d9_4 2 */ { "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)", }, - /* d9_5 2 */ + /* d9_5 3 */ { "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)", }, - /* d9_6 3 */ + /* d9_6 4 */ { "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp", }, - /* d9_7 4 */ + /* d9_7 5 */ { "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos", }, - /* da_5 5 */ + /* da_5 6 */ { "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", }, - /* db_4 6 */ + /* db_4 7 */ { "fNeni(8087 only)","fNdisi(8087 only)","fNclex","fNinit", "fNsetpm(287 only)","frstpm(287 only)","(bad)","(bad)", }, - /* de_3 7 */ + /* de_3 8 */ { "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", }, - /* df_4 8 */ + /* df_4 9 */ { "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", }, |