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| author | Jan Hubicka <jh@suse.cz> | 2002-03-18 20:11:49 +0000 |
|---|---|---|
| committer | Jan Hubicka <jh@suse.cz> | 2002-03-18 20:11:49 +0000 |
| commit | c1a64871f912a4db22cda1b8702ccfc41f08ff39 (patch) | |
| tree | 0b811bb096f73640a45e6ffab14de793e162645a /opcodes/i386-dis.c | |
| parent | 1504972f60f011d4d79b032f164cafa4a45bf4c6 (diff) | |
| download | gdb-c1a64871f912a4db22cda1b8702ccfc41f08ff39.zip gdb-c1a64871f912a4db22cda1b8702ccfc41f08ff39.tar.gz gdb-c1a64871f912a4db22cda1b8702ccfc41f08ff39.tar.bz2 | |
* i386-dis.c (prefix_name): Fix handling of 32bit address prefix
in 64bit mode.
(print_insn) Likewise.
(putop): Fix handling of 'E'
(OP_E, OP_OFF): handle 32bit addressing mode in 64bit.
(ptr_reg): Likewise.
Diffstat (limited to 'opcodes/i386-dis.c')
| -rw-r--r-- | opcodes/i386-dis.c | 45 |
1 files changed, 32 insertions, 13 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 7b4b858..d2271d8 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -1807,7 +1807,10 @@ prefix_name (pref, sizeflag) case 0x66: return (sizeflag & DFLAG) ? "data16" : "data32"; case 0x67: - return (sizeflag & AFLAG) ? "addr16" : "addr32"; + if (mode_64bit) + return (sizeflag & AFLAG) ? "addr32" : "addr64"; + else + return ((sizeflag & AFLAG) && !mode_64bit) ? "addr16" : "addr32"; case FWAIT_OPCODE: return "fwait"; default: @@ -2081,7 +2084,7 @@ print_insn (pc, info) sizeflag ^= AFLAG; if (dp->bytemode3 != loop_jcxz_mode || intel_syntax) { - if (sizeflag & AFLAG) + if ((sizeflag & AFLAG) || mode_64bit) oappend ("addr32 "); else oappend ("addr16 "); @@ -2626,8 +2629,16 @@ putop (template, sizeflag) *obufp++ = 'b'; break; case 'E': /* For jcxz/jecxz */ - if (sizeflag & AFLAG) - *obufp++ = 'e'; + if (mode_64bit) + { + if (sizeflag & AFLAG) + *obufp++ = 'r'; + else + *obufp++ = 'e'; + } + else + if (sizeflag & AFLAG) + *obufp++ = 'e'; used_prefixes |= (prefixes & PREFIX_ADDR); break; case 'F': @@ -2636,9 +2647,9 @@ putop (template, sizeflag) if ((prefixes & PREFIX_ADDR) || (sizeflag & SUFFIX_ALWAYS)) { if (sizeflag & AFLAG) - *obufp++ = 'l'; + *obufp++ = mode_64bit ? 'q' : 'l'; else - *obufp++ = 'w'; + *obufp++ = mode_64bit ? 'l' : 'w'; used_prefixes |= (prefixes & PREFIX_ADDR); } break; @@ -3014,7 +3025,7 @@ OP_E (bytemode, sizeflag) disp = 0; append_seg (); - if (sizeflag & AFLAG) /* 32 bit address mode */ + if ((sizeflag & AFLAG) || mode_64bit) /* 32 bit address mode */ { int havesib; int havebase; @@ -3048,7 +3059,7 @@ OP_E (bytemode, sizeflag) if ((base & 7) == 5) { havebase = 0; - if (mode_64bit && !havesib) + if (mode_64bit && !havesib && (sizeflag & AFLAG)) riprel = 1; disp = get32s (); } @@ -3115,7 +3126,8 @@ OP_E (bytemode, sizeflag) if (!havesib && (rex & REX_EXTZ)) base += 8; if (havebase) - oappend (mode_64bit ? names64[base] : names32[base]); + oappend (mode_64bit && (sizeflag & AFLAG) + ? names64[base] : names32[base]); if (havesib) { if (index != 4) @@ -3128,11 +3140,13 @@ OP_E (bytemode, sizeflag) *obufp = '\0'; } sprintf (scratchbuf, "%s", - mode_64bit ? names64[index] : names32[index]); + mode_64bit && (sizeflag & AFLAG) + ? names64[index] : names32[index]); } else sprintf (scratchbuf, ",%s", - mode_64bit ? names64[index] : names32[index]); + mode_64bit && (sizeflag & AFLAG) + ? names64[index] : names32[index]); oappend (scratchbuf); } if (!intel_syntax @@ -3703,7 +3717,7 @@ OP_OFF (bytemode, sizeflag) append_seg (); - if (sizeflag & AFLAG) + if ((sizeflag & AFLAG) || mode_64bit) off = get32 (); else off = get16 (); @@ -3764,7 +3778,12 @@ ptr_reg (code, sizeflag) USED_REX (REX_MODE64); if (rex & REX_MODE64) - s = names64[code - eAX_reg]; + { + if (!(sizeflag & AFLAG)) + s = names32[code - eAX_reg]; + else + s = names64[code - eAX_reg]; + } else if (sizeflag & AFLAG) s = names32[code - eAX_reg]; else |