186 lines
8 KiB
C
186 lines
8 KiB
C
/***************************************************************************************************
|
|
|
|
Zyan Disassembler Library (Zydis)
|
|
|
|
Original Author : Florian Bernd
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
|
|
***************************************************************************************************/
|
|
|
|
#include <Zydis/Internal/SharedData.h>
|
|
|
|
/* ============================================================================================== */
|
|
/* Data tables */
|
|
/* ============================================================================================== */
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
/* Instruction definitions */
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
#ifdef ZYDIS_MINIMAL_MODE
|
|
# define ZYDIS_NOTMIN(x)
|
|
#else
|
|
# define ZYDIS_NOTMIN(x) , x
|
|
#endif
|
|
|
|
#include <Generated/InstructionDefinitions.inc>
|
|
|
|
#undef ZYDIS_NOTMIN
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
/* Operand definitions */
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
#define ZYDIS_OPERAND_DEFINITION(type, encoding, access) \
|
|
{ type, encoding, access }
|
|
|
|
#include <Generated/OperandDefinitions.inc>
|
|
|
|
#undef ZYDIS_OPERAND_DEFINITION
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
/* Accessed CPU flags */
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
#include <Generated/AccessedFlags.inc>
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
/* ============================================================================================== */
|
|
/* Functions */
|
|
/* ============================================================================================== */
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
/* Instruction definition */
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
void ZydisGetInstructionDefinition(ZydisInstructionEncoding encoding, ZyanU16 id,
|
|
const ZydisInstructionDefinition** definition)
|
|
{
|
|
switch (encoding)
|
|
{
|
|
case ZYDIS_INSTRUCTION_ENCODING_LEGACY:
|
|
*definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_LEGACY[id];
|
|
break;
|
|
case ZYDIS_INSTRUCTION_ENCODING_3DNOW:
|
|
*definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_3DNOW[id];
|
|
break;
|
|
case ZYDIS_INSTRUCTION_ENCODING_XOP:
|
|
*definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_XOP[id];
|
|
break;
|
|
case ZYDIS_INSTRUCTION_ENCODING_VEX:
|
|
*definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_VEX[id];
|
|
break;
|
|
#ifndef ZYDIS_DISABLE_AVX512
|
|
case ZYDIS_INSTRUCTION_ENCODING_EVEX:
|
|
*definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_EVEX[id];
|
|
break;
|
|
#endif
|
|
#ifndef ZYDIS_DISABLE_KNC
|
|
case ZYDIS_INSTRUCTION_ENCODING_MVEX:
|
|
*definition = (ZydisInstructionDefinition*)&ISTR_DEFINITIONS_MVEX[id];
|
|
break;
|
|
#endif
|
|
default:
|
|
ZYAN_UNREACHABLE;
|
|
}
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
/* Operand definition */
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
#ifndef ZYDIS_MINIMAL_MODE
|
|
const ZydisOperandDefinition* ZydisGetOperandDefinitions(
|
|
const ZydisInstructionDefinition* definition)
|
|
{
|
|
if (definition->operand_count == 0)
|
|
{
|
|
return ZYAN_NULL;
|
|
}
|
|
ZYAN_ASSERT(definition->operand_reference != 0xFFFF);
|
|
return &OPERAND_DEFINITIONS[definition->operand_reference];
|
|
}
|
|
#endif
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
/* Element info */
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
#ifndef ZYDIS_MINIMAL_MODE
|
|
void ZydisGetElementInfo(ZydisInternalElementType element, ZydisElementType* type,
|
|
ZydisElementSize* size)
|
|
{
|
|
static const struct
|
|
{
|
|
ZydisElementType type;
|
|
ZydisElementSize size;
|
|
} lookup[ZYDIS_IELEMENT_TYPE_MAX_VALUE + 1] =
|
|
{
|
|
{ ZYDIS_ELEMENT_TYPE_INVALID , 0 },
|
|
{ ZYDIS_ELEMENT_TYPE_INVALID , 0 },
|
|
{ ZYDIS_ELEMENT_TYPE_STRUCT , 0 },
|
|
{ ZYDIS_ELEMENT_TYPE_INT , 0 },
|
|
{ ZYDIS_ELEMENT_TYPE_UINT , 0 },
|
|
{ ZYDIS_ELEMENT_TYPE_INT , 1 },
|
|
{ ZYDIS_ELEMENT_TYPE_INT , 8 },
|
|
{ ZYDIS_ELEMENT_TYPE_INT , 16 },
|
|
{ ZYDIS_ELEMENT_TYPE_INT , 32 },
|
|
{ ZYDIS_ELEMENT_TYPE_INT , 64 },
|
|
{ ZYDIS_ELEMENT_TYPE_UINT , 8 },
|
|
{ ZYDIS_ELEMENT_TYPE_UINT , 16 },
|
|
{ ZYDIS_ELEMENT_TYPE_UINT , 32 },
|
|
{ ZYDIS_ELEMENT_TYPE_UINT , 64 },
|
|
{ ZYDIS_ELEMENT_TYPE_UINT , 128 },
|
|
{ ZYDIS_ELEMENT_TYPE_UINT , 256 },
|
|
{ ZYDIS_ELEMENT_TYPE_FLOAT16 , 16 },
|
|
{ ZYDIS_ELEMENT_TYPE_FLOAT16 , 32 }, // TODO: Should indicate 2 float16 elements
|
|
{ ZYDIS_ELEMENT_TYPE_FLOAT32 , 32 },
|
|
{ ZYDIS_ELEMENT_TYPE_FLOAT64 , 64 },
|
|
{ ZYDIS_ELEMENT_TYPE_FLOAT80 , 80 },
|
|
{ ZYDIS_ELEMENT_TYPE_LONGBCD , 80 },
|
|
{ ZYDIS_ELEMENT_TYPE_CC , 3 },
|
|
{ ZYDIS_ELEMENT_TYPE_CC , 5 }
|
|
};
|
|
|
|
ZYAN_ASSERT((ZyanUSize)element < ZYAN_ARRAY_LENGTH(lookup));
|
|
|
|
*type = lookup[element].type;
|
|
*size = lookup[element].size;
|
|
}
|
|
#endif
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
/* Accessed CPU flags */
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
#ifndef ZYDIS_MINIMAL_MODE
|
|
ZyanBool ZydisGetAccessedFlags(const ZydisInstructionDefinition* definition,
|
|
const ZydisDefinitionAccessedFlags** flags)
|
|
{
|
|
ZYAN_ASSERT(definition->flags_reference < ZYAN_ARRAY_LENGTH(ACCESSED_FLAGS));
|
|
*flags = &ACCESSED_FLAGS[definition->flags_reference];
|
|
return (definition->flags_reference != 0);
|
|
}
|
|
#endif
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
/* ============================================================================================== */
|