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zydis
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Fixed formatting of "moff"-displacements

This commit is contained in:
flobernd 2017-09-25 04:10:11 +02:00
parent ac16314f48
commit 3223a4d63f
2 changed files with 5 additions and 28 deletions
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2
src/Decoder.c
View File

@ -3247,7 +3247,7 @@ static ZydisStatus ZydisDecodeOptionalInstructionParts(ZydisDecoderContext* cont
if (info->flags & ZYDIS_INSTR_ENC_FLAG_HAS_DISP)
{
ZYDIS_CHECK(ZydisReadDisplacement(
context, instruction, info->disp.size[context->easzIndex]));
context, instruction, info->disp.size[context->easzIndex]));
}
if (info->flags & ZYDIS_INSTR_ENC_FLAG_HAS_IMM0)

31
src/Formatter.c
View File

@ -195,16 +195,11 @@ static ZydisStatus ZydisFormatterFormatOperandMemIntel(const ZydisFormatter* for
ZydisPrintStr(buffer, bufEnd - *buffer, "+", ZYDIS_LETTER_CASE_DEFAULT));
}
ZYDIS_CHECK(ZydisPrintStr(buffer, bufEnd - *buffer, reg, ZYDIS_LETTER_CASE));
//const char* c = (operand->mem.base != ZYDIS_REGISTER_NONE) ? "+" : "";
//ZYDIS_CHECK(ZydisPrintStrFormat(buffer, bufEnd - *buffer, ZYDIS_APPENDMODE,
// "%s%s", c, reg));
if (operand->mem.scale)
{
ZYDIS_CHECK(
ZydisPrintStr(buffer, bufEnd - *buffer, "*", ZYDIS_LETTER_CASE_DEFAULT));
ZYDIS_CHECK(ZydisPrintDecU(buffer, bufEnd - *buffer, operand->mem.scale, 0));
//ZYDIS_CHECK(ZydisPrintStrFormat(buffer, bufEnd - *buffer,
// ZYDIS_STRBUF_APPEND_MODE_DEFAULT, "*%d", operand->mem.scale));
ZYDIS_CHECK(ZydisPrintDecU(buffer, bufEnd - *buffer, operand->mem.scale, 0));
}
}
ZYDIS_CHECK(formatter->funcPrintDisplacement(formatter, buffer, bufEnd - *buffer,
@ -229,8 +224,6 @@ static ZydisStatus ZydisFormatterFormatOperandPtrIntel(const ZydisFormatter* for
ZYDIS_CHECK(ZydisPrintStr(buffer, bufEnd - *buffer, ":", ZYDIS_LETTER_CASE_DEFAULT));
return ZydisPrintHexU(
buffer, bufEnd - *buffer, operand->ptr.offset, 8, ZYDIS_TRUE, ZYDIS_TRUE);
//return ZydisPrintStrFormat(buffer, bufferLen, ZYDIS_STRBUF_APPEND_MODE_DEFAULT,
// "0x%04"PRIX16":0x%08"PRIX32, operand->ptr.segment, operand->ptr.offset);
}
static ZydisStatus ZydisFormatterFormatOperandImmIntel(const ZydisFormatter* formatter,
@ -267,13 +260,6 @@ static ZydisStatus ZydisFormatterFormatOperandImmIntel(const ZydisFormatter* for
return ZydisPrintHexS(
buffer, bufferLen, (int32_t)operand->imm.value.s, 2, ZYDIS_TRUE, ZYDIS_TRUE);
/*if (printSignedHEX && (operand->imm.value.s < 0))
{
return ZydisPrintStrFormat(buffer, bufferLen,
ZYDIS_STRBUF_APPEND_MODE_DEFAULT, "-0x%02"PRIX32, -(int32_t)operand->imm.value.s);
}
return ZydisPrintStrFormat(buffer, bufferLen, ZYDIS_STRBUF_APPEND_MODE_DEFAULT,
"0x%02"PRIX32, (int32_t)operand->imm.value.s);*/
}
// The immediate operand contains an actual ordinal value
@ -292,17 +278,14 @@ static ZydisStatus ZydisFormatterPrintAddressIntel(const ZydisFormatter* formatt
return ZYDIS_STATUS_INVALID_PARAMETER;
}
switch (instruction->machineMode)
switch (instruction->addressWidth)
{
case 16:
return ZydisPrintHexU(buffer, bufferLen, (uint16_t)address, 4, ZYDIS_TRUE, ZYDIS_TRUE);
case 32:
return ZydisPrintHexU(buffer, bufferLen, (uint32_t)address, 8, ZYDIS_TRUE, ZYDIS_TRUE);
//return ZydisPrintStrFormat(buffer, bufferLen, ZYDIS_STRBUF_APPEND_MODE_DEFAULT,
// "0x%08"PRIX64, address);
case 64:
return ZydisPrintHexU(buffer, bufferLen, address, 16, ZYDIS_TRUE, ZYDIS_TRUE);
//return ZydisPrintStrFormat(buffer, bufferLen, ZYDIS_STRBUF_APPEND_MODE_DEFAULT,
// "0x%016"PRIX64, address);
return ZydisPrintHexU(buffer, bufferLen, address, 16, ZYDIS_TRUE, ZYDIS_TRUE);
default:
return ZYDIS_STATUS_INVALID_PARAMETER;
}
@ -516,8 +499,6 @@ static ZydisStatus ZydisFormatterPrintSegmentIntel(const ZydisFormatter* formatt
ZydisPrintStr(buffer, bufEnd - *buffer,
ZydisRegisterGetString(operand->mem.segment), ZYDIS_LETTER_CASE));
return ZydisPrintStr(buffer, bufEnd - *buffer, ":", ZYDIS_LETTER_CASE_DEFAULT);
//return ZydisPrintStrFormat(buffer, bufferLen, ZYDIS_APPENDMODE, "%s:",
// ZydisRegisterGetString(operand->mem.segment));
case ZYDIS_REGISTER_SS:
if ((formatter->flags & ZYDIS_FMTFLAG_FORCE_SEGMENTS) ||
(instruction->attributes & ZYDIS_ATTRIB_HAS_SEGMENT_SS))
@ -526,8 +507,6 @@ static ZydisStatus ZydisFormatterPrintSegmentIntel(const ZydisFormatter* formatt
ZydisPrintStr(buffer, bufEnd - *buffer,
ZydisRegisterGetString(operand->mem.segment), ZYDIS_LETTER_CASE));
return ZydisPrintStr(buffer, bufEnd - *buffer, ":", ZYDIS_LETTER_CASE_DEFAULT);
//return ZydisPrintStrFormat(buffer, bufferLen, ZYDIS_APPENDMODE, "%s:",
// ZydisRegisterGetString(operand->mem.segment));
}
break;
case ZYDIS_REGISTER_DS:
@ -538,8 +517,6 @@ static ZydisStatus ZydisFormatterPrintSegmentIntel(const ZydisFormatter* formatt
ZydisPrintStr(buffer, bufEnd - *buffer,
ZydisRegisterGetString(operand->mem.segment), ZYDIS_LETTER_CASE));
return ZydisPrintStr(buffer, bufEnd - *buffer, ":", ZYDIS_LETTER_CASE_DEFAULT);
//return ZydisPrintStrFormat(buffer, bufferLen, ZYDIS_APPENDMODE, "%s:",
// ZydisRegisterGetString(operand->mem.segment));
}
break;
default: