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zydis/src/InstructionTable.c

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/***************************************************************************************************
Zyan Disassembler Engine (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 <assert.h>
#include <string.h>
#include <Zydis/Internal/InstructionTable.h>
/* ============================================================================================== */
/* Data tables */
/* ============================================================================================== */
/* ---------------------------------------------------------------------------------------------- */
/* Generated types & Macros */
/* ---------------------------------------------------------------------------------------------- */
// TODO: Auto generate these structs and macros
typedef struct ZydisInternalInstructionTableNode_
{
ZydisInstructionTableNodeType type;
ZydisInstructionTableNodeValue value;
} ZydisInternalInstructionTableNode;
#define ZYDIS_MAKE_INSTRUCTIONTABLENODE(type, value) \
{ type, value }
#define ZYDIS_GET_INSTRUCTIONTABLENODE_TYPE(node) \
node.type
#define ZYDIS_GET_INSTRUCTIONTABLENODE_VALUE(node) \
node.value
typedef struct ZydisInternalOperandDefinition_
{
unsigned int type : 8;
unsigned int encoding : 8;
unsigned int access : 2;
} ZydisInternalOperandDefinition;
#define ZYDIS_MAKE_OPERANDDEFINITION(type, encoding, access) \
{ type, encoding, access }
#define ZYDIS_GET_OPERANDDEFINITION_TYPE(def) \
(ZydisSemanticOperandType)def.type
#define ZYDIS_GET_OPERANDDEFINITION_ENCODING(def) \
(ZydisOperandEncoding)def.encoding
#define ZYDIS_GET_OPERANDDEFINITION_ACCESS(def) \
(ZydisOperandAccess)def.access
typedef struct ZydisInternalInstructionDefinition_
{
unsigned int mnemonic : 11;
unsigned int operandRef : 9;
unsigned int evexBFunctionality : 2;
unsigned int hasEvexAAA : 1;
unsigned int hasEvexZ : 1;
} ZydisInternalInstructionDefinition;
#define ZYDIS_MAKE_INSTRUCTIONDEFINITION(mnemonic, operandRef, evexBFunctionality, hasEvexAAA, hasEvexZ) \
{ mnemonic, operandRef, evexBFunctionality, hasEvexAAA, hasEvexZ }
#define ZYDIS_GET_INSTRUCTIONDEFINITION_MNEMONIC(def) \
(ZydisInstructionMnemonic)def.mnemonic
#define ZYDIS_GET_INSTRUCTIONDEFINITION_OPERANDREF(def) \
def.operandRef
#define ZYDIS_GET_INSTRUCTIONDEFINITION_EVEXBFUNCTIONALITY(def) \
(ZydisEvexBFunctionality)def.evexBFunctionality
#define ZYDIS_GET_INSTRUCTIONDEFINITION_HASEVEXAAA(def) \
def.hasEvexAAA
#define ZYDIS_GET_INSTRUCTIONDEFINITION_HASEVEXZ(def) \
def.hasEvexZ
/* ---------------------------------------------------------------------------------------------- */
/* Forward declarations */
/* ---------------------------------------------------------------------------------------------- */
/**
* @brief Contains all opcode filters.
*
* Indexed by the numeric value of the opcode.
*/
extern const ZydisInternalInstructionTableNode filterOpcode[][256];
/**
* @brief Contains all vex-map filters.
*
* Index values:
* 0 = LES, LDS or BOUND instruction (default encoding)
* 1 = 0F
* 2 = 0F38
* 3 = 0F3A
* 4 = 66
* 5 = 66_0F
* 6 = 66_0F38
* 7 = 66_0F3A
* 8 = F3
* 9 = F3_0F
* A = F3_0F38
* B = F3_0F3A
* C = F2
* D = F2_0F
* E = F2_0F38
* F = F2_0F3A
*/
extern const ZydisInternalInstructionTableNode filterVEX[][16];
/**
* @brief Contains all xop-map filters.
*
* Index values:
* 0 = POP instruction (default encoding)
* 1 = xop8
* 2 = xop9
* 3 = xopA
*/
extern const ZydisInternalInstructionTableNode filterXOP[][4];
/**
* @brief Contains all instruction-mode filters.
*
* Index values:
* 0 = 64 bit mode required
* 1 = 64 bit mode excluded
*/
extern const ZydisInternalInstructionTableNode filterMode[][2];
/**
* @brief Contains all mandatory-prefix switch tables.
*
* Index values:
* 0 = none
* 1 = 66
* 2 = F3
* 3 = F2
*/
extern const ZydisInternalInstructionTableNode filterMandatoryPrefix[][4];
/**
* @brief Contains all modrm.mod filters.
*
* Index values:
* 0 = [modrm_mod == !11] = memory
* 1 = [modrm_mod == 11] = register
*/
extern const ZydisInternalInstructionTableNode filterModrmMod[][2];
/**
* @brief Contains all modrm.reg filters.
*
* Indexed by the numeric value of the modrm_reg field.
*/
extern const ZydisInternalInstructionTableNode filterModrmReg[][8];
/**
* @brief Contains all modrm.rm filters.
*
* Indexed by the numeric value of the modrm_rm field.
*/
extern const ZydisInternalInstructionTableNode filterModrmRm[][8];
/**
* @brief Contains all operand-size filters.
*
* Index values:
* 0 = 16bit = 0x66 prefix in 32 bit mode
* 1 = 32bit = 0x66 prefix in 16 bit mode
*/
extern const ZydisInternalInstructionTableNode filterOperandSize[][2];
/**
* @brief Contains all address-size filters.
*
* Index values:
* 0 = 16
* 1 = 32
* 2 = 64
*/
extern const ZydisInternalInstructionTableNode filterAddressSize[][3];
/**
* @brief Contains all rex/vex/evex.w filters.
*
* Indexed by the numeric value of the rex/vex/evex.w field.
*/
extern const ZydisInternalInstructionTableNode filterREXW[][2];
/**
* @brief Contains all vex.l filters.
*
* Indexed by the numeric value of the vex/evex.l field.
*/
extern const ZydisInternalInstructionTableNode filterVEXL[][2];
/**
* @brief Contains all evex.l' filters.
*
* Indexed by the numeric value of the evex.l' field.
*/
extern const ZydisInternalInstructionTableNode filterEVEXL2[][2];
/**
* @brief Contains all evex.b filters.
*
* Indexed by the numeric value of the evex.b field.
*/
extern const ZydisInternalInstructionTableNode filterEVEXB[][2];
/* ---------------------------------------------------------------------------------------------- */
/**
* @brief Contains all operand-definitions with 1 operand.
*/
extern const ZydisInternalOperandDefinition operandDefinitions1[][1];
/**
* @brief Contains all operand-definitions with 2 operands.
*/
extern const ZydisInternalOperandDefinition operandDefinitions2[][2];
/**
* @brief Contains all operand-definitions with 3 operands.
*/
extern const ZydisInternalOperandDefinition operandDefinitions3[][3];
/**
* @brief Contains all operand-definitions with 4 operands.
*/
extern const ZydisInternalOperandDefinition operandDefinitions4[][4];
/**
* @brief Contains all operand-definitions with 5 operands.
*/
extern const ZydisInternalOperandDefinition operandDefinitions5[][5];
/* ---------------------------------------------------------------------------------------------- */
/**
* @brief Contains all instruction-definitions.
*/
extern const ZydisInternalInstructionDefinition instructionDefinitions[];
/* ---------------------------------------------------------------------------------------------- */
/* Functions */
/* ---------------------------------------------------------------------------------------------- */
ZydisInstructionTableNodeType ZydisInstructionTableGetNodeType(
const ZydisInstructionTableNode node)
{
return (ZydisInstructionTableNodeType)
ZYDIS_GET_INSTRUCTIONTABLENODE_TYPE((*(ZydisInternalInstructionTableNode*)node));
}
ZydisInstructionTableNodeValue ZydisInstructionTableGetNodeValue(
const ZydisInstructionTableNode* node)
{
return (ZydisInstructionTableNodeValue)
ZYDIS_GET_INSTRUCTIONTABLENODE_VALUE((*(ZydisInternalInstructionTableNode*)node));
}
/* ---------------------------------------------------------------------------------------------- */
ZydisInstructionTableNode ZydisInstructionTableGetRootNode()
{
static const ZydisInternalInstructionTableNode root =
ZYDIS_MAKE_INSTRUCTIONTABLENODE(ZYDIS_NODETYPE_FILTER_OPCODE, 0x00000000);
return (ZydisInstructionTableNode)&root;
}
ZydisInstructionTableNode ZydisInstructionTableGetChildNode(
const ZydisInstructionTableNode parent, uint16_t index)
{
ZydisInstructionTableNodeType nodeType = ZydisInstructionTableGetNodeType(parent);
uint16_t tableIndex = ZydisInstructionTableGetNodeValue(parent);
switch (nodeType)
{
case ZYDIS_NODETYPE_FILTER_OPCODE:
ZYDIS_ASSERT(index < 256);
return (ZydisInstructionTableNode*)&filterOpcode[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_VEX:
ZYDIS_ASSERT(index < 16);
return (ZydisInstructionTableNode*)&filterVEX[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_XOP:
ZYDIS_ASSERT(index < 4);
return (ZydisInstructionTableNode*)&filterXOP[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_MODE:
ZYDIS_ASSERT(index < 3);
return (ZydisInstructionTableNode*)&filterMode[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_MANDATORYPREFIX:
ZYDIS_ASSERT(index < 4);
return (ZydisInstructionTableNode*)&filterMandatoryPrefix[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_MODRMMOD:
ZYDIS_ASSERT(index < 2);
return (ZydisInstructionTableNode*)&filterModrmMod[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_MODRMREG:
ZYDIS_ASSERT(index < 8);
return (ZydisInstructionTableNode*)&filterModrmReg[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_MODRMRM:
ZYDIS_ASSERT(index < 8);
return (ZydisInstructionTableNode*)&filterModrmRm[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_OPERANDSIZE:
ZYDIS_ASSERT(index < 2);
return (ZydisInstructionTableNode*)&filterOperandSize[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_ADDRESSSIZE:
ZYDIS_ASSERT(index < 3);
return (ZydisInstructionTableNode*)&filterAddressSize[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_REXW:
ZYDIS_ASSERT(index < 2);
return (ZydisInstructionTableNode*)&filterREXW[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_VEXL:
ZYDIS_ASSERT(index < 2);
return (ZydisInstructionTableNode*)&filterVEXL[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_EVEXL2:
ZYDIS_ASSERT(index < 2);
return (ZydisInstructionTableNode*)&filterEVEXL2[tableIndex][index];
case ZYDIS_NODETYPE_FILTER_EVEXB:
ZYDIS_ASSERT(index < 2);
return (ZydisInstructionTableNode*)&filterEVEXB[tableIndex][index];
default:
ZYDIS_UNREACHABLE;
}
static const ZydisInternalInstructionTableNode invalid =
ZYDIS_MAKE_INSTRUCTIONTABLENODE(ZYDIS_NODETYPE_INVALID, 0x00000000);
return (ZydisInstructionTableNode)&invalid;
}
ZydisInstructionDefinition ZydisInstructionDefinitionByNode(
const ZydisInstructionTableNode node)
{
ZydisInstructionDefinition result;
memset(&result, 0, sizeof(result));
const ZydisInternalInstructionDefinition* definition =
&instructionDefinitions[ZydisInstructionTableGetNodeValue(node)];
result.mnemonic = ZYDIS_GET_INSTRUCTIONDEFINITION_MNEMONIC((*definition));
result.evexBFunctionality = ZYDIS_GET_INSTRUCTIONDEFINITION_EVEXBFUNCTIONALITY((*definition));
result.hasEvexAAA = ZYDIS_GET_INSTRUCTIONDEFINITION_HASEVEXAAA((*definition));
result.hasEvexZ = ZYDIS_GET_INSTRUCTIONDEFINITION_HASEVEXZ((*definition));
const ZydisInternalOperandDefinition* operand = NULL;
switch (ZydisInstructionTableGetNodeType(node))
{
case ZYDIS_NODETYPE_DEFINITION_0OP:
result.operandCount = 0;
break;
case ZYDIS_NODETYPE_DEFINITION_1OP:
result.operandCount = 1;
operand = operandDefinitions1[ZYDIS_GET_INSTRUCTIONDEFINITION_OPERANDREF((*definition))];
break;
case ZYDIS_NODETYPE_DEFINITION_2OP:
result.operandCount = 2;
operand = operandDefinitions2[ZYDIS_GET_INSTRUCTIONDEFINITION_OPERANDREF((*definition))];
break;
case ZYDIS_NODETYPE_DEFINITION_3OP:
result.operandCount = 3;
operand = operandDefinitions3[ZYDIS_GET_INSTRUCTIONDEFINITION_OPERANDREF((*definition))];
break;
case ZYDIS_NODETYPE_DEFINITION_4OP:
result.operandCount = 4;
operand = operandDefinitions4[ZYDIS_GET_INSTRUCTIONDEFINITION_OPERANDREF((*definition))];
break;
case ZYDIS_NODETYPE_DEFINITION_5OP:
result.operandCount = 5;
operand = operandDefinitions5[ZYDIS_GET_INSTRUCTIONDEFINITION_OPERANDREF((*definition))];
break;
default:
ZYDIS_UNREACHABLE;
}
if (result.operandCount > 0)
{
for (int i = 0; i < result.operandCount; ++i)
{
result.operands[i].type = ZYDIS_GET_OPERANDDEFINITION_TYPE((*operand));
result.operands[i].encoding = ZYDIS_GET_OPERANDDEFINITION_ENCODING((*operand));
result.operands[i].access = ZYDIS_GET_OPERANDDEFINITION_ACCESS((*operand));
++operand;
}
}
return result;
}
/* ---------------------------------------------------------------------------------------------- */
/* Main instruction-table */
/* ---------------------------------------------------------------------------------------------- */
#define ZYDIS_INVALID \
ZYDIS_MAKE_INSTRUCTIONTABLENODE(ZYDIS_NODETYPE_INVALID, 0x00000000)
#define ZYDIS_FILTER(type, id) \
{ type, id }
#define ZYDIS_DEFINITION_0OP(id) \
{ ZYDIS_NODETYPE_DEFINITION_0OP, id }
#define ZYDIS_DEFINITION_1OP(id) \
{ ZYDIS_NODETYPE_DEFINITION_1OP, id }
#define ZYDIS_DEFINITION_2OP(id) \
{ ZYDIS_NODETYPE_DEFINITION_2OP, id }
#define ZYDIS_DEFINITION_3OP(id) \
{ ZYDIS_NODETYPE_DEFINITION_3OP, id }
#define ZYDIS_DEFINITION_4OP(id) \
{ ZYDIS_NODETYPE_DEFINITION_4OP, id }
#define ZYDIS_DEFINITION_5OP(id) \
{ ZYDIS_NODETYPE_DEFINITION_5OP, id }
#include <Zydis/Internal/InstructionFilters.inc>
#undef ZYDIS_INVALID
#undef ZYDIS_FILTER
#undef ZYDIS_DEFINITION_0OP
#undef ZYDIS_DEFINITION_1OP
#undef ZYDIS_DEFINITION_2OP
#undef ZYDIS_DEFINITION_3OP
#undef ZYDIS_DEFINITION_4OP
#undef ZYDIS_DEFINITION_5OP
#undef ZYDIS_MAKE_INSTRUCTIONTABLENODE
/* ---------------------------------------------------------------------------------------------- */
/* Operand definitions */
/* ---------------------------------------------------------------------------------------------- */
#include <Zydis/Internal/OperandDefinitions.inc>
#undef ZYDIS_MAKE_OPERANDDEFINITION
/* ---------------------------------------------------------------------------------------------- */
/* Instruction definitions */
/* ---------------------------------------------------------------------------------------------- */
#include <Zydis/Internal/InstructionDefinitions.inc>
#undef ZYDIS_MAKE_AVX512INFO
#undef ZYDIS_MAKE_INSTRUCTIONDEFINITION
/* ============================================================================================== */
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