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| 1 /* | 1 /* |
| 2 * Copyright (c) 2011 The Native Client Authors. All rights reserved. | 2 * Copyright (c) 2012 The Native Client Authors. All rights reserved. |
| 3 * Use of this source code is governed by a BSD-style license that can be | 3 * Use of this source code is governed by a BSD-style license that can be |
| 4 * found in the LICENSE file. | 4 * found in the LICENSE file. |
| 5 */ | 5 */ |
| 6 | 6 |
| 7 #ifndef _DECODER_X86_64_H_ | 7 #ifndef _DECODER_X86_64_H_ |
| 8 #define _DECODER_X86_64_H_ | 8 #define _DECODER_X86_64_H_ |
| 9 | 9 |
| 10 #include <inttypes.h> | 10 #include "native_client/src/shared/utils/types.h" |
| 11 #include "native_client/src/include/portability.h" |
| 11 | 12 |
| 12 #ifdef __cplusplus | 13 #ifdef __cplusplus |
| 13 extern "C" { | 14 extern "C" { |
| 14 #endif | 15 #endif |
| 15 | 16 |
| 16 enum operand_type { | 17 enum operand_type { |
| 17 OperandSize2bit, /* See VPERMIL2Px instruction for description. */ | 18 OperandSize2bit, /* See VPERMIL2Px instruction for description. */ |
| 18 OperandSize8bit, | 19 OperandSize8bit, |
| 19 OperandSize16bit, | 20 OperandSize16bit, |
| 20 OperandSize32bit, | 21 OperandSize32bit, |
| (...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 62 REG_R15, | 63 REG_R15, |
| 63 REG_RM, /* Address in memory via rm field. */ | 64 REG_RM, /* Address in memory via rm field. */ |
| 64 REG_RIP, /* RIP - used as base in x86-64 mode. */ | 65 REG_RIP, /* RIP - used as base in x86-64 mode. */ |
| 65 REG_RIZ, /* EIZ/RIZ - used as "always zero index" register. */ | 66 REG_RIZ, /* EIZ/RIZ - used as "always zero index" register. */ |
| 66 REG_IMM, /* Fixed value in imm field. */ | 67 REG_IMM, /* Fixed value in imm field. */ |
| 67 REG_IMM2, /* Fixed value in second imm field. */ | 68 REG_IMM2, /* Fixed value in second imm field. */ |
| 68 REG_DS_RBX, /* Fox xlat: %ds(%rbx). */ | 69 REG_DS_RBX, /* Fox xlat: %ds(%rbx). */ |
| 69 REG_ES_RDI, /* For string instructions: %es:(%rsi). */ | 70 REG_ES_RDI, /* For string instructions: %es:(%rsi). */ |
| 70 REG_DS_RSI, /* For string instructions: %ds:(%rdi). */ | 71 REG_DS_RSI, /* For string instructions: %ds:(%rdi). */ |
| 71 REG_PORT_DX, /* 16-bit DX: for in/out instructions. */ | 72 REG_PORT_DX, /* 16-bit DX: for in/out instructions. */ |
| 72 REG_NONE, /* For modrm: both index and base can be absent. */ | 73 NO_REG, /* For modrm: both index and base can be absent. */ |
| 73 REG_ST, /* For x87 instructions: implicit %st. */ | 74 REG_ST, /* For x87 instructions: implicit %st. */ |
| 74 JMP_TO /* Operand is jump target address: usually %rip+offset. */ | 75 JMP_TO /* Operand is jump target address: usually %rip+offset. */ |
| 75 }; | 76 }; |
| 76 | 77 |
| 77 struct instruction { | 78 struct instruction { |
| 78 const char *name; | 79 const char *name; |
| 79 unsigned char operands_count; | 80 unsigned char operands_count; |
| 80 struct { | 81 struct { |
| 81 unsigned char rex; /* Mostly to distingush cases like %ah vs %spl. */ | 82 unsigned char rex; /* Mostly to distingush cases like %ah vs %spl. */ |
| 83 #ifdef _MSC_VER |
| 84 Bool data16:1; /* "Normal", non-rex prefixes. */ |
| 85 Bool lock:1; |
| 86 Bool repnz:1; |
| 87 Bool repz:1; |
| 88 Bool branch_not_taken:1; |
| 89 Bool branch_taken:1; |
| 90 #else |
| 82 _Bool data16:1; /* "Normal", non-rex prefixes. */ | 91 _Bool data16:1; /* "Normal", non-rex prefixes. */ |
| 83 _Bool lock:1; | 92 _Bool lock:1; |
| 84 _Bool repnz:1; | 93 _Bool repnz:1; |
| 85 _Bool repz:1; | 94 _Bool repz:1; |
| 86 _Bool branch_not_taken:1; | 95 _Bool branch_not_taken:1; |
| 87 _Bool branch_taken:1; | 96 _Bool branch_taken:1; |
| 97 #endif |
| 88 } prefix; | 98 } prefix; |
| 89 struct { | 99 struct { |
| 90 enum register_name name; | 100 enum register_name name; |
| 91 enum operand_type type; | 101 enum operand_type type; |
| 92 } operands[5]; | 102 } operands[5]; |
| 93 struct { | 103 struct { |
| 94 enum register_name base; | 104 enum register_name base; |
| 95 enum register_name index; | 105 enum register_name index; |
| 96 int scale; | 106 int scale; |
| 97 uint64_t offset; | 107 uint64_t offset; |
| (...skipping 14 matching lines...) Expand all Loading... |
| 112 | 122 |
| 113 int DecodeChunkIA32(const uint8_t *data, size_t size, | 123 int DecodeChunkIA32(const uint8_t *data, size_t size, |
| 114 process_instruction_func process_instruction, | 124 process_instruction_func process_instruction, |
| 115 process_error_func process_error, void *userdata); | 125 process_error_func process_error, void *userdata); |
| 116 | 126 |
| 117 #ifdef __cplusplus | 127 #ifdef __cplusplus |
| 118 } | 128 } |
| 119 #endif | 129 #endif |
| 120 | 130 |
| 121 #endif | 131 #endif |
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