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libmach: support more 386/amd64 instructions

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R=golang-dev, dave, bradfitz, rsc
CC=golang-dev
https://golang.org/cl/10030043
This commit is contained in:
Anthony Martin 2013-07-20 00:38:26 -07:00
parent cae5213b91
commit 87976e72a8
1 changed files with 116 additions and 76 deletions
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192
src/libmach/8db.c
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@ -480,7 +480,14 @@ static Optable optab0FAE[8]=
[0x07] = { 0,0, "SFENCE" }, [0x07] = { 0,0, "SFENCE" },
}; };
/* 0F18 */ static Optable optab0F18[4]=
{
[0x00] = { 0,0, "PREFETCHNTA %e" },
[0x01] = { 0,0, "PREFECTCH0 %e" },
[0x02] = { 0,0, "PREFECTCH1 %e" },
[0x03] = { 0,0, "PREFECTCH2 %e" },
};
/* 0F0D */ /* 0F0D */
static Optable optab0FBA[8]= static Optable optab0FBA[8]=
@ -523,6 +530,22 @@ static Optable optab0FC7[8]=
[0x01] = { 0,0, "CMPXCHG8B %e" }, [0x01] = { 0,0, "CMPXCHG8B %e" },
}; };
static Optable optab660F38[256]=
{
[0x00] = { RM,0, "PSHUFB %x,%X" },
[0xdc] = { RM,0, "AESENC %x,%X" },
[0xdb] = { RM,0, "AESIMC %x,%X," },
[0xdd] = { RM,0, "AESENCLAST %x,%X" },
[0xde] = { RM,0, "AESDEC %x,%X" },
[0xdf] = { RM,0, "AESDECLAST %x,%X" },
};
static Optable optab660F3A[256]=
{
[0x22] = { RM,Ib, "PINSR%S %i,%e,%X" },
[0xdf] = { RM,Ib, "AESKEYGENASSIST %i,%x,%X" },
};
static Optable optab660F71[8]= static Optable optab660F71[8]=
{ {
[0x02] = { Ib,0, "PSRLW %i,%X" }, [0x02] = { Ib,0, "PSRLW %i,%X" },
@ -550,12 +573,14 @@ static Optable optab660F[256]=
[0x2B] = { RM,0, "MOVNTPD %x,%e" }, [0x2B] = { RM,0, "MOVNTPD %x,%e" },
[0x2E] = { RM,0, "UCOMISD %x,%X" }, [0x2E] = { RM,0, "UCOMISD %x,%X" },
[0x2F] = { RM,0, "COMISD %x,%X" }, [0x2F] = { RM,0, "COMISD %x,%X" },
[0x38] = { AUX,0, optab660F38 },
[0x3A] = { AUX,0, optab660F3A },
[0x5A] = { RM,0, "CVTPD2PS %x,%X" }, [0x5A] = { RM,0, "CVTPD2PS %x,%X" },
[0x5B] = { RM,0, "CVTPS2PL %x,%X" }, [0x5B] = { RM,0, "CVTPS2PL %x,%X" },
[0x6A] = { RM,0, "PUNPCKHLQ %x,%X" }, [0x6A] = { RM,0, "PUNPCKHLQ %x,%X" },
[0x6B] = { RM,0, "PACKSSLW %x,%X" }, [0x6B] = { RM,0, "PACKSSLW %x,%X" },
[0x6C] = { RM,0, "PUNPCKLQDQ %x,%X" }, [0x6C] = { RM,0, "PUNPCKLQDQ %x,%X" },
[0x6D] = { RM,0, "PUNPCKHQDQ %x,%X" }, [0x6D] = { RM,0, "PUNPCKHQDQ %x,%X" },
[0x6E] = { RM,0, "MOV%S %e,%X" }, [0x6E] = { RM,0, "MOV%S %e,%X" },
[0x6F] = { RM,0, "MOVO %x,%X" }, /* MOVDQA */ [0x6F] = { RM,0, "MOVO %x,%X" }, /* MOVDQA */
[0x70] = { RM,Ib, "PSHUFL %i,%x,%X" }, [0x70] = { RM,Ib, "PSHUFL %i,%x,%X" },
@ -574,6 +599,12 @@ static Optable optab660F[256]=
[0xF7] = { RM,0, "MASKMOVOU %x,%X" }, [0xF7] = { RM,0, "MASKMOVOU %x,%X" },
}; };
static Optable optabF20F38[256]=
{
[0xf0] = { RM,0, "CRC32B %e, %r" },
[0xf1] = { RM,0, "CRC32%S %e, %r" },
};
static Optable optabF20F[256]= static Optable optabF20F[256]=
{ {
[0x10] = { RM,0, "MOVSD %x,%X" }, [0x10] = { RM,0, "MOVSD %x,%X" },
@ -581,6 +612,7 @@ static Optable optabF20F[256]=
[0x2A] = { RM,0, "CVTS%S2SD %e,%X" }, [0x2A] = { RM,0, "CVTS%S2SD %e,%X" },
[0x2C] = { RM,0, "CVTTSD2S%S %x,%r" }, [0x2C] = { RM,0, "CVTTSD2S%S %x,%r" },
[0x2D] = { RM,0, "CVTSD2S%S %x,%r" }, [0x2D] = { RM,0, "CVTSD2S%S %x,%r" },
[0x38] = { AUX,0, optabF20F38 },
[0x5A] = { RM,0, "CVTSD2SS %x,%X" }, [0x5A] = { RM,0, "CVTSD2SS %x,%X" },
[0x6F] = { RM,0, "MOVOU %x,%X" }, [0x6F] = { RM,0, "MOVOU %x,%X" },
[0x70] = { RM,Ib, "PSHUFLW %i,%x,%X" }, [0x70] = { RM,Ib, "PSHUFLW %i,%x,%X" },
@ -627,6 +659,7 @@ static Optable optab0F[256]=
[0x15] = { RM,0, "UNPCKH%s %x,%X" }, [0x15] = { RM,0, "UNPCKH%s %x,%X" },
[0x16] = { RM,0, "MOV[L]H%s %x,%X" }, /* TO DO: L if source is XMM */ [0x16] = { RM,0, "MOV[L]H%s %x,%X" }, /* TO DO: L if source is XMM */
[0x17] = { RM,0, "MOVH%s %X,%x" }, [0x17] = { RM,0, "MOVH%s %X,%x" },
[0x18] = { RMOP,0, optab0F18 },
[0x1F] = { RM,0, "NOP%S %e" }, [0x1F] = { RM,0, "NOP%S %e" },
[0x20] = { RMR,0, "MOVL %C,%e" }, [0x20] = { RMR,0, "MOVL %C,%e" },
[0x21] = { RMR,0, "MOVL %D,%e" }, [0x21] = { RMR,0, "MOVL %D,%e" },
@ -676,27 +709,27 @@ static Optable optab0F[256]=
[0x5D] = { RM,0, "MIN%s %x,%X" }, [0x5D] = { RM,0, "MIN%s %x,%X" },
[0x5E] = { RM,0, "DIV%s %x,%X" }, /* TO DO: S/P S/D */ [0x5E] = { RM,0, "DIV%s %x,%X" }, /* TO DO: S/P S/D */
[0x5F] = { RM,0, "MAX%s %x,%X" }, [0x5F] = { RM,0, "MAX%s %x,%X" },
[0x60] = { RM,0, "PUNPCKLBW %m,%M" }, [0x60] = { RM,0, "PUNPCKLBW %m,%M" },
[0x61] = { RM,0, "PUNPCKLWL %m,%M" }, [0x61] = { RM,0, "PUNPCKLWL %m,%M" },
[0x62] = { RM,0, "PUNPCKLLQ %m,%M" }, [0x62] = { RM,0, "PUNPCKLLQ %m,%M" },
[0x63] = { RM,0, "PACKSSWB %m,%M" }, [0x63] = { RM,0, "PACKSSWB %m,%M" },
[0x64] = { RM,0, "PCMPGTB %m,%M" }, [0x64] = { RM,0, "PCMPGTB %m,%M" },
[0x65] = { RM,0, "PCMPGTW %m,%M" }, [0x65] = { RM,0, "PCMPGTW %m,%M" },
[0x66] = { RM,0, "PCMPGTL %m,%M" }, [0x66] = { RM,0, "PCMPGTL %m,%M" },
[0x67] = { RM,0, "PACKUSWB %m,%M" }, [0x67] = { RM,0, "PACKUSWB %m,%M" },
[0x68] = { RM,0, "PUNPCKHBW %m,%M" }, [0x68] = { RM,0, "PUNPCKHBW %m,%M" },
[0x69] = { RM,0, "PUNPCKHWL %m,%M" }, [0x69] = { RM,0, "PUNPCKHWL %m,%M" },
[0x6A] = { RM,0, "PUNPCKHLQ %m,%M" }, [0x6A] = { RM,0, "PUNPCKHLQ %m,%M" },
[0x6B] = { RM,0, "PACKSSLW %m,%M" }, [0x6B] = { RM,0, "PACKSSLW %m,%M" },
[0x6E] = { RM,0, "MOV%S %e,%M" }, [0x6E] = { RM,0, "MOV%S %e,%M" },
[0x6F] = { RM,0, "MOVQ %m,%M" }, [0x6F] = { RM,0, "MOVQ %m,%M" },
[0x70] = { RM,Ib, "PSHUFW %i,%m,%M" }, [0x70] = { RM,Ib, "PSHUFW %i,%m,%M" },
[0x74] = { RM,0, "PCMPEQB %m,%M" }, [0x74] = { RM,0, "PCMPEQB %m,%M" },
[0x75] = { RM,0, "PCMPEQW %m,%M" }, [0x75] = { RM,0, "PCMPEQW %m,%M" },
[0x76] = { RM,0, "PCMPEQL %m,%M" }, [0x76] = { RM,0, "PCMPEQL %m,%M" },
[0x77] = { 0,0, "EMMS" }, [0x77] = { 0,0, "EMMS" },
[0x7E] = { RM,0, "MOV%S %M,%e" }, [0x7E] = { RM,0, "MOV%S %M,%e" },
[0x7F] = { RM,0, "MOVQ %M,%m" }, [0x7F] = { RM,0, "MOVQ %M,%m" },
[0xAE] = { RMOP,0, optab0FAE }, [0xAE] = { RMOP,0, optab0FAE },
[0xAA] = { 0,0, "RSM" }, [0xAA] = { 0,0, "RSM" },
[0xB0] = { RM,0, "CMPXCHGB %r,%e" }, [0xB0] = { RM,0, "CMPXCHGB %r,%e" },
@ -714,48 +747,48 @@ static Optable optab0F[256]=
[0xCD] = { 0,0, "BSWAP BP" }, [0xCD] = { 0,0, "BSWAP BP" },
[0xCE] = { 0,0, "BSWAP SI" }, [0xCE] = { 0,0, "BSWAP SI" },
[0xCF] = { 0,0, "BSWAP DI" }, [0xCF] = { 0,0, "BSWAP DI" },
[0xD1] = { RM,0, "PSRLW %m,%M" }, [0xD1] = { RM,0, "PSRLW %m,%M" },
[0xD2] = { RM,0, "PSRLL %m,%M" }, [0xD2] = { RM,0, "PSRLL %m,%M" },
[0xD3] = { RM,0, "PSRLQ %m,%M" }, [0xD3] = { RM,0, "PSRLQ %m,%M" },
[0xD5] = { RM,0, "PMULLW %m,%M" }, [0xD5] = { RM,0, "PMULLW %m,%M" },
[0xD6] = { RM,0, "MOVQOZX %m*,%X" }, [0xD6] = { RM,0, "MOVQOZX %m*,%X" },
[0xD7] = { RM,0, "PMOVMSKB %m,%r" }, [0xD7] = { RM,0, "PMOVMSKB %m,%r" },
[0xD8] = { RM,0, "PSUBUSB %m,%M" }, [0xD8] = { RM,0, "PSUBUSB %m,%M" },
[0xD9] = { RM,0, "PSUBUSW %m,%M" }, [0xD9] = { RM,0, "PSUBUSW %m,%M" },
[0xDA] = { RM,0, "PMINUB %m,%M" }, [0xDA] = { RM,0, "PMINUB %m,%M" },
[0xDB] = { RM,0, "PAND %m,%M" }, [0xDB] = { RM,0, "PAND %m,%M" },
[0xDC] = { RM,0, "PADDUSB %m,%M" }, [0xDC] = { RM,0, "PADDUSB %m,%M" },
[0xDD] = { RM,0, "PADDUSW %m,%M" }, [0xDD] = { RM,0, "PADDUSW %m,%M" },
[0xDE] = { RM,0, "PMAXUB %m,%M" }, [0xDE] = { RM,0, "PMAXUB %m,%M" },
[0xDF] = { RM,0, "PANDN %m,%M" }, [0xDF] = { RM,0, "PANDN %m,%M" },
[0xE0] = { RM,0, "PAVGB %m,%M" }, [0xE0] = { RM,0, "PAVGB %m,%M" },
[0xE1] = { RM,0, "PSRAW %m,%M" }, [0xE1] = { RM,0, "PSRAW %m,%M" },
[0xE2] = { RM,0, "PSRAL %m,%M" }, [0xE2] = { RM,0, "PSRAL %m,%M" },
[0xE3] = { RM,0, "PAVGW %m,%M" }, [0xE3] = { RM,0, "PAVGW %m,%M" },
[0xE4] = { RM,0, "PMULHUW %m,%M" }, [0xE4] = { RM,0, "PMULHUW %m,%M" },
[0xE5] = { RM,0, "PMULHW %m,%M" }, [0xE5] = { RM,0, "PMULHW %m,%M" },
[0xE7] = { RM,0, "MOVNTQ %M,%e" }, [0xE7] = { RM,0, "MOVNTQ %M,%e" },
[0xE8] = { RM,0, "PSUBSB %m,%M" }, [0xE8] = { RM,0, "PSUBSB %m,%M" },
[0xE9] = { RM,0, "PSUBSW %m,%M" }, [0xE9] = { RM,0, "PSUBSW %m,%M" },
[0xEA] = { RM,0, "PMINSW %m,%M" }, [0xEA] = { RM,0, "PMINSW %m,%M" },
[0xEB] = { RM,0, "POR %m,%M" }, [0xEB] = { RM,0, "POR %m,%M" },
[0xEC] = { RM,0, "PADDSB %m,%M" }, [0xEC] = { RM,0, "PADDSB %m,%M" },
[0xED] = { RM,0, "PADDSW %m,%M" }, [0xED] = { RM,0, "PADDSW %m,%M" },
[0xEE] = { RM,0, "PMAXSW %m,%M" }, [0xEE] = { RM,0, "PMAXSW %m,%M" },
[0xEF] = { RM,0, "PXOR %m,%M" }, [0xEF] = { RM,0, "PXOR %m,%M" },
[0xF1] = { RM,0, "PSLLW %m,%M" }, [0xF1] = { RM,0, "PSLLW %m,%M" },
[0xF2] = { RM,0, "PSLLL %m,%M" }, [0xF2] = { RM,0, "PSLLL %m,%M" },
[0xF3] = { RM,0, "PSLLQ %m,%M" }, [0xF3] = { RM,0, "PSLLQ %m,%M" },
[0xF4] = { RM,0, "PMULULQ %m,%M" }, [0xF4] = { RM,0, "PMULULQ %m,%M" },
[0xF5] = { RM,0, "PMADDWL %m,%M" }, [0xF5] = { RM,0, "PMADDWL %m,%M" },
[0xF6] = { RM,0, "PSADBW %m,%M" }, [0xF6] = { RM,0, "PSADBW %m,%M" },
[0xF7] = { RMR,0, "MASKMOVQ %m,%M" }, [0xF7] = { RMR,0, "MASKMOVQ %m,%M" },
[0xF8] = { RM,0, "PSUBB %m,%M" }, [0xF8] = { RM,0, "PSUBB %m,%M" },
[0xF9] = { RM,0, "PSUBW %m,%M" }, [0xF9] = { RM,0, "PSUBW %m,%M" },
[0xFA] = { RM,0, "PSUBL %m,%M" }, [0xFA] = { RM,0, "PSUBL %m,%M" },
[0xFC] = { RM,0, "PADDB %m,%M" }, [0xFC] = { RM,0, "PADDB %m,%M" },
[0xFD] = { RM,0, "PADDW %m,%M" }, [0xFD] = { RM,0, "PADDW %m,%M" },
[0xFE] = { RM,0, "PADDL %m,%M" }, [0xFE] = { RM,0, "PADDL %m,%M" },
[0x80] = { Iwds,0, "JOS %p" }, [0x80] = { Iwds,0, "JOS %p" },
[0x81] = { Iwds,0, "JOC %p" }, [0x81] = { Iwds,0, "JOC %p" },
@ -950,9 +983,9 @@ static Optable optabD9[64+8] =
[0x00] = { 0,0, "FMOVF %e,F0" }, [0x00] = { 0,0, "FMOVF %e,F0" },
[0x02] = { 0,0, "FMOVF F0,%e" }, [0x02] = { 0,0, "FMOVF F0,%e" },
[0x03] = { 0,0, "FMOVFP F0,%e" }, [0x03] = { 0,0, "FMOVFP F0,%e" },
[0x04] = { 0,0, "FLDENV%S %e" }, [0x04] = { 0,0, "FLDENV%S %e" },
[0x05] = { 0,0, "FLDCW %e" }, [0x05] = { 0,0, "FLDCW %e" },
[0x06] = { 0,0, "FSTENV%S %e" }, [0x06] = { 0,0, "FSTENV%S %e" },
[0x07] = { 0,0, "FSTCW %e" }, [0x07] = { 0,0, "FSTCW %e" },
[0x08] = { 0,0, "FMOVD F0,F0" }, /* Mod R/M = 11xx xxxx*/ [0x08] = { 0,0, "FMOVD F0,F0" }, /* Mod R/M = 11xx xxxx*/
[0x09] = { 0,0, "FMOVD F1,F0" }, [0x09] = { 0,0, "FMOVD F1,F0" },
@ -1099,14 +1132,14 @@ static Optable optabDD[8+8] =
[0x00] = { 0,0, "FMOVD %e,F0" }, [0x00] = { 0,0, "FMOVD %e,F0" },
[0x02] = { 0,0, "FMOVD F0,%e" }, [0x02] = { 0,0, "FMOVD F0,%e" },
[0x03] = { 0,0, "FMOVDP F0,%e" }, [0x03] = { 0,0, "FMOVDP F0,%e" },
[0x04] = { 0,0, "FRSTOR%S %e" }, [0x04] = { 0,0, "FRSTOR%S %e" },
[0x06] = { 0,0, "FSAVE%S %e" }, [0x06] = { 0,0, "FSAVE%S %e" },
[0x07] = { 0,0, "FSTSW %e" }, [0x07] = { 0,0, "FSTSW %e" },
[0x08] = { 0,0, "FFREED %f" }, [0x08] = { 0,0, "FFREED %f" },
[0x0a] = { 0,0, "FMOVD %f,F0" }, [0x0a] = { 0,0, "FMOVD %f,F0" },
[0x0b] = { 0,0, "FMOVDP %f,F0" }, [0x0b] = { 0,0, "FMOVDP %f,F0" },
[0x0c] = { 0,0, "FUCOMD %f,F0" }, [0x0c] = { 0,0, "FUCOMD %f,F0" },
[0x0d] = { 0,0, "FUCOMDP %f,F0" }, [0x0d] = { 0,0, "FUCOMDP %f,F0" },
}; };
static Optable optabDE[8+8] = static Optable optabDE[8+8] =
@ -1122,9 +1155,9 @@ static Optable optabDE[8+8] =
[0x08] = { 0,0, "FADDDP F0,%f" }, [0x08] = { 0,0, "FADDDP F0,%f" },
[0x09] = { 0,0, "FMULDP F0,%f" }, [0x09] = { 0,0, "FMULDP F0,%f" },
[0x0b] = { Op_R1,0, "FCOMPDP" }, [0x0b] = { Op_R1,0, "FCOMPDP" },
[0x0c] = { 0,0, "FSUBRDP F0,%f" }, [0x0c] = { 0,0, "FSUBRDP F0,%f" },
[0x0d] = { 0,0, "FSUBDP F0,%f" }, [0x0d] = { 0,0, "FSUBDP F0,%f" },
[0x0e] = { 0,0, "FDIVRDP F0,%f" }, [0x0e] = { 0,0, "FDIVRDP F0,%f" },
[0x0f] = { 0,0, "FDIVDP F0,%f" }, [0x0f] = { 0,0, "FDIVDP F0,%f" },
}; };
@ -1863,14 +1896,23 @@ badop:
return 0; return 0;
obase = (Optable*)op->proto; obase = (Optable*)op->proto;
switch (ip->opre) { switch (ip->opre) {
case 0x66: op = optab660F; break; case 0x66:
case 0xF2: op = optabF20F; break; op = optab660F;
case 0xF3: op = optabF30F; break; break;
default: op = nil; break; case 0xF2:
op = optabF20F;
ip->prefix = 0; /* discard REPNE */
break;
case 0xF3:
op = optabF30F;
ip->prefix = 0; /* discard REP */
break;
default:
op = nil;
break;
} }
if(op != nil && op[c].proto != nil) if(op != nil && op[c].proto != nil)
obase = op; obase = op;
norex = 1; /* no more rex prefixes */
/* otherwise the optab entry captures it */ /* otherwise the optab entry captures it */
goto newop; goto newop;
case AUX: /* Multi-byte op code - Auxiliary table */ case AUX: /* Multi-byte op code - Auxiliary table */
@ -1885,8 +1927,6 @@ badop:
ip->prefix = (char*)op->proto; ip->prefix = (char*)op->proto;
if (igetc(map, ip, &c) < 0) if (igetc(map, ip, &c) < 0)
return 0; return 0;
if (ip->opre && c == 0x0F)
ip->prefix = 0;
goto newop; goto newop;
case SEG: /* Segment Prefix */ case SEG: /* Segment Prefix */
ip->segment = (char*)op->proto; ip->segment = (char*)op->proto;