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Initial megacommit.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e
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hrydgard
2008-07-12 17:40:22 +00:00
parent a3be5d89ae
commit 775dc8a9c0
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254
Externals/Bochs_disasm/syntax.cpp vendored Normal file
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/////////////////////////////////////////////////////////////////////////
// $Id: syntax.cc,v 1.10 2006/04/27 15:11:45 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include "disasm.h"
//////////////////
// Intel STYLE
//////////////////
#define BX_DISASM_SUPPORT_X86_64
#ifdef BX_DISASM_SUPPORT_X86_64
static const char *intel_general_16bit_regname[16] = {
"ax", "cx", "dx", "bx", "sp", "bp", "si", "di",
"r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w"
};
static const char *intel_general_32bit_regname[16] = {
"eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi",
"r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d"
};
static const char *intel_general_64bit_regname[16] = {
"rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
};
static const char *intel_general_8bit_regname_rex[16] = {
"al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil",
"r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b"
};
#else
static const char *intel_general_16bit_regname[8] = {
"ax", "cx", "dx", "bx", "sp", "bp", "si", "di"
};
static const char *intel_general_32bit_regname[8] = {
"eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"
};
#endif
static const char *intel_general_8bit_regname[8] = {
"al", "cl", "dl", "bl", "ah", "ch", "dh", "bh"
};
static const char *intel_segment_name[8] = {
"es", "cs", "ss", "ds", "fs", "gs", "??", "??"
};
static const char *intel_index16[8] = {
"bx+si",
"bx+di",
"bp+si",
"bp+di",
"si",
"di",
"bp",
"bx"
};
//////////////////
// AT&T STYLE
//////////////////
#ifdef BX_DISASM_SUPPORT_X86_64
static const char *att_general_16bit_regname[16] = {
"%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di",
"%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"
};
static const char *att_general_32bit_regname[16] = {
"%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
"%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"
};
static const char *att_general_64bit_regname[16] = {
"%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
"%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
};
static const char *att_general_8bit_regname_rex[16] = {
"%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil",
"%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
};
#else
static const char *att_general_16bit_regname[8] = {
"%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di"
};
static const char *att_general_32bit_regname[8] = {
"%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi"
};
#endif
static const char *att_general_8bit_regname[8] = {
"%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh"
};
static const char *att_segment_name[8] = {
"%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%??", "%??"
};
static const char *att_index16[8] = {
"%bx, %si",
"%bx, %di",
"%bp, %si",
"%bp, %di",
"%si",
"%di",
"%bp",
"%bx"
};
#define NULL_SEGMENT_REGISTER 7
void disassembler::initialize_modrm_segregs()
{
sreg_mod00_rm16[0] = segment_name[DS_REG];
sreg_mod00_rm16[1] = segment_name[DS_REG];
sreg_mod00_rm16[2] = segment_name[SS_REG];
sreg_mod00_rm16[3] = segment_name[SS_REG];
sreg_mod00_rm16[4] = segment_name[DS_REG];
sreg_mod00_rm16[5] = segment_name[DS_REG];
sreg_mod00_rm16[6] = segment_name[DS_REG];
sreg_mod00_rm16[7] = segment_name[DS_REG];
sreg_mod01or10_rm16[0] = segment_name[DS_REG];
sreg_mod01or10_rm16[1] = segment_name[DS_REG];
sreg_mod01or10_rm16[2] = segment_name[SS_REG];
sreg_mod01or10_rm16[3] = segment_name[SS_REG];
sreg_mod01or10_rm16[4] = segment_name[DS_REG];
sreg_mod01or10_rm16[5] = segment_name[DS_REG];
sreg_mod01or10_rm16[6] = segment_name[SS_REG];
sreg_mod01or10_rm16[7] = segment_name[DS_REG];
sreg_mod01or10_rm32[0] = segment_name[DS_REG];
sreg_mod01or10_rm32[1] = segment_name[DS_REG];
sreg_mod01or10_rm32[2] = segment_name[DS_REG];
sreg_mod01or10_rm32[3] = segment_name[DS_REG];
sreg_mod01or10_rm32[4] = segment_name[NULL_SEGMENT_REGISTER];
sreg_mod01or10_rm32[5] = segment_name[SS_REG];
sreg_mod01or10_rm32[6] = segment_name[DS_REG];
sreg_mod01or10_rm32[7] = segment_name[DS_REG];
sreg_mod00_base32[0] = segment_name[DS_REG];
sreg_mod00_base32[1] = segment_name[DS_REG];
sreg_mod00_base32[2] = segment_name[DS_REG];
sreg_mod00_base32[3] = segment_name[DS_REG];
sreg_mod00_base32[4] = segment_name[SS_REG];
sreg_mod00_base32[5] = segment_name[DS_REG];
sreg_mod00_base32[6] = segment_name[DS_REG];
sreg_mod00_base32[7] = segment_name[DS_REG];
sreg_mod01or10_base32[0] = segment_name[DS_REG];
sreg_mod01or10_base32[1] = segment_name[DS_REG];
sreg_mod01or10_base32[2] = segment_name[DS_REG];
sreg_mod01or10_base32[3] = segment_name[DS_REG];
sreg_mod01or10_base32[4] = segment_name[SS_REG];
sreg_mod01or10_base32[5] = segment_name[SS_REG];
sreg_mod01or10_base32[6] = segment_name[DS_REG];
sreg_mod01or10_base32[7] = segment_name[DS_REG];
}
//////////////////
// Intel STYLE
//////////////////
void disassembler::set_syntax_intel()
{
intel_mode = 1;
general_16bit_regname = intel_general_16bit_regname;
general_8bit_regname = intel_general_8bit_regname;
general_32bit_regname = intel_general_32bit_regname;
general_8bit_regname_rex = intel_general_8bit_regname_rex;
general_64bit_regname = intel_general_64bit_regname;
segment_name = intel_segment_name;
index16 = intel_index16;
initialize_modrm_segregs();
}
void disassembler::print_disassembly_intel(const x86_insn *insn, const BxDisasmOpcodeInfo_t *entry)
{
// print opcode
dis_sprintf("%s ", entry->IntelOpcode);
if (entry->Operand1) {
(this->*entry->Operand1)(insn);
}
if (entry->Operand2) {
dis_sprintf(", ");
(this->*entry->Operand2)(insn);
}
if (entry->Operand3) {
dis_sprintf(", ");
(this->*entry->Operand3)(insn);
}
}
//////////////////
// AT&T STYLE
//////////////////
void disassembler::set_syntax_att()
{
intel_mode = 0;
general_16bit_regname = att_general_16bit_regname;
general_8bit_regname = att_general_8bit_regname;
general_32bit_regname = att_general_32bit_regname;
general_8bit_regname_rex = att_general_8bit_regname_rex;
general_64bit_regname = att_general_64bit_regname;
segment_name = att_segment_name;
index16 = att_index16;
initialize_modrm_segregs();
}
void disassembler::toggle_syntax_mode()
{
if (intel_mode) set_syntax_att();
else set_syntax_intel();
}
void disassembler::print_disassembly_att(const x86_insn *insn, const BxDisasmOpcodeInfo_t *entry)
{
// print opcode
dis_sprintf("%s ", entry->AttOpcode);
if (entry->Operand3) {
(this->*entry->Operand3)(insn);
dis_sprintf(", ");
}
if (entry->Operand2) {
(this->*entry->Operand2)(insn);
dis_sprintf(", ");
}
if (entry->Operand1) {
(this->*entry->Operand1)(insn);
}
}