Index: sandbox/win/src/sidestep/mini_disassembler_types.h |
diff --git a/sandbox/win/src/sidestep/mini_disassembler_types.h b/sandbox/win/src/sidestep/mini_disassembler_types.h |
deleted file mode 100644 |
index 1c1062631340d6f5ce78cf2cbbbab7cab0f6b717..0000000000000000000000000000000000000000 |
--- a/sandbox/win/src/sidestep/mini_disassembler_types.h |
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@@ -1,197 +0,0 @@ |
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
-// |
-// Several simple types used by the disassembler and some of the patching |
-// mechanisms. |
- |
-#ifndef SANDBOX_SRC_SIDESTEP_MINI_DISASSEMBLER_TYPES_H__ |
-#define SANDBOX_SRC_SIDESTEP_MINI_DISASSEMBLER_TYPES_H__ |
- |
-namespace sidestep { |
- |
-// Categories of instructions that we care about |
-enum InstructionType { |
- // This opcode is not used |
- IT_UNUSED, |
- // This disassembler does not recognize this opcode (error) |
- IT_UNKNOWN, |
- // This is not an instruction but a reference to another table |
- IT_REFERENCE, |
- // This byte is a prefix byte that we can ignore |
- IT_PREFIX, |
- // This is a prefix byte that switches to the nondefault address size |
- IT_PREFIX_ADDRESS, |
- // This is a prefix byte that switches to the nondefault operand size |
- IT_PREFIX_OPERAND, |
- // A jump or call instruction |
- IT_JUMP, |
- // A return instruction |
- IT_RETURN, |
- // Any other type of instruction (in this case we don't care what it is) |
- IT_GENERIC, |
-}; |
- |
-// Lists IA-32 operand sizes in multiples of 8 bits |
-enum OperandSize { |
- OS_ZERO = 0, |
- OS_BYTE = 1, |
- OS_WORD = 2, |
- OS_DOUBLE_WORD = 4, |
- OS_QUAD_WORD = 8, |
- OS_DOUBLE_QUAD_WORD = 16, |
- OS_32_BIT_POINTER = 32/8, |
- OS_48_BIT_POINTER = 48/8, |
- OS_SINGLE_PRECISION_FLOATING = 32/8, |
- OS_DOUBLE_PRECISION_FLOATING = 64/8, |
- OS_DOUBLE_EXTENDED_PRECISION_FLOATING = 80/8, |
- OS_128_BIT_PACKED_SINGLE_PRECISION_FLOATING = 128/8, |
- OS_PSEUDO_DESCRIPTOR = 6 |
-}; |
- |
-// Operand addressing methods from the IA-32 manual. The enAmMask value |
-// is a mask for the rest. The other enumeration values are named for the |
-// names given to the addressing methods in the manual, e.g. enAm_D is for |
-// the D addressing method. |
-// |
-// The reason we use a full 4 bytes and a mask, is that we need to combine |
-// these flags with the enOperandType to store the details |
-// on the operand in a single integer. |
-enum AddressingMethod { |
- AM_NOT_USED = 0, // This operand is not used for this instruction |
- AM_MASK = 0x00FF0000, // Mask for the rest of the values in this enumeration |
- AM_A = 0x00010000, // A addressing type |
- AM_C = 0x00020000, // C addressing type |
- AM_D = 0x00030000, // D addressing type |
- AM_E = 0x00040000, // E addressing type |
- AM_F = 0x00050000, // F addressing type |
- AM_G = 0x00060000, // G addressing type |
- AM_I = 0x00070000, // I addressing type |
- AM_J = 0x00080000, // J addressing type |
- AM_M = 0x00090000, // M addressing type |
- AM_O = 0x000A0000, // O addressing type |
- AM_P = 0x000B0000, // P addressing type |
- AM_Q = 0x000C0000, // Q addressing type |
- AM_R = 0x000D0000, // R addressing type |
- AM_S = 0x000E0000, // S addressing type |
- AM_T = 0x000F0000, // T addressing type |
- AM_V = 0x00100000, // V addressing type |
- AM_W = 0x00110000, // W addressing type |
- AM_X = 0x00120000, // X addressing type |
- AM_Y = 0x00130000, // Y addressing type |
- AM_REGISTER = 0x00140000, // Specific register is always used as this op |
- AM_IMPLICIT = 0x00150000, // An implicit, fixed value is used |
-}; |
- |
-// Operand types from the IA-32 manual. The enOtMask value is |
-// a mask for the rest. The rest of the values are named for the |
-// names given to these operand types in the manual, e.g. enOt_ps |
-// is for the ps operand type in the manual. |
-// |
-// The reason we use a full 4 bytes and a mask, is that we need |
-// to combine these flags with the enAddressingMethod to store the details |
-// on the operand in a single integer. |
-enum OperandType { |
- OT_MASK = 0xFF000000, |
- OT_A = 0x01000000, |
- OT_B = 0x02000000, |
- OT_C = 0x03000000, |
- OT_D = 0x04000000, |
- OT_DQ = 0x05000000, |
- OT_P = 0x06000000, |
- OT_PI = 0x07000000, |
- OT_PS = 0x08000000, // actually unsupported for (we don't know its size) |
- OT_Q = 0x09000000, |
- OT_S = 0x0A000000, |
- OT_SS = 0x0B000000, |
- OT_SI = 0x0C000000, |
- OT_V = 0x0D000000, |
- OT_W = 0x0E000000, |
- OT_SD = 0x0F000000, // scalar double-precision floating-point value |
- OT_PD = 0x10000000, // double-precision floating point |
- // dummy "operand type" for address mode M - which doesn't specify |
- // operand type |
- OT_ADDRESS_MODE_M = 0x80000000 |
-}; |
- |
-// Everything that's in an Opcode (see below) except the three |
-// alternative opcode structs for different prefixes. |
-struct SpecificOpcode { |
- // Index to continuation table, or 0 if this is the last |
- // byte in the opcode. |
- int table_index_; |
- |
- // The opcode type |
- InstructionType type_; |
- |
- // Description of the type of the dest, src and aux operands, |
- // put together from an enOperandType flag and an enAddressingMethod |
- // flag. |
- int flag_dest_; |
- int flag_source_; |
- int flag_aux_; |
- |
- // We indicate the mnemonic for debugging purposes |
- const char* mnemonic_; |
-}; |
- |
-// The information we keep in our tables about each of the different |
-// valid instructions recognized by the IA-32 architecture. |
-struct Opcode { |
- // Index to continuation table, or 0 if this is the last |
- // byte in the opcode. |
- int table_index_; |
- |
- // The opcode type |
- InstructionType type_; |
- |
- // Description of the type of the dest, src and aux operands, |
- // put together from an enOperandType flag and an enAddressingMethod |
- // flag. |
- int flag_dest_; |
- int flag_source_; |
- int flag_aux_; |
- |
- // We indicate the mnemonic for debugging purposes |
- const char* mnemonic_; |
- |
- // Alternative opcode info if certain prefixes are specified. |
- // In most cases, all of these are zeroed-out. Only used if |
- // bPrefixDependent is true. |
- bool is_prefix_dependent_; |
- SpecificOpcode opcode_if_f2_prefix_; |
- SpecificOpcode opcode_if_f3_prefix_; |
- SpecificOpcode opcode_if_66_prefix_; |
-}; |
- |
-// Information about each table entry. |
-struct OpcodeTable { |
- // Table of instruction entries |
- const Opcode* table_; |
- // How many bytes left to shift ModR/M byte <b>before</b> applying mask |
- unsigned char shift_; |
- // Mask to apply to byte being looked at before comparing to table |
- unsigned char mask_; |
- // Minimum/maximum indexes in table. |
- unsigned char min_lim_; |
- unsigned char max_lim_; |
-}; |
- |
-// Information about each entry in table used to decode ModR/M byte. |
-struct ModrmEntry { |
- // Is the operand encoded as bytes in the instruction (rather than |
- // if it's e.g. a register in which case it's just encoded in the |
- // ModR/M byte) |
- bool is_encoded_in_instruction_; |
- |
- // Is there a SIB byte? In this case we always need to decode it. |
- bool use_sib_byte_; |
- |
- // What is the size of the operand (only important if it's encoded |
- // in the instruction)? |
- OperandSize operand_size_; |
-}; |
- |
-}; // namespace sidestep |
- |
-#endif // SANDBOX_SRC_SIDESTEP_MINI_DISASSEMBLER_TYPES_H__ |