| 1 |
dpavlin |
1 |
/* |
| 2 |
|
|
* HT Editor |
| 3 |
|
|
* x86dis.h |
| 4 |
|
|
* |
| 5 |
|
|
* Copyright (C) 1999-2002 Stefan Weyergraf |
| 6 |
|
|
* |
| 7 |
|
|
* This program is free software; you can redistribute it and/or modify |
| 8 |
|
|
* it under the terms of the GNU General Public License version 2 as |
| 9 |
|
|
* published by the Free Software Foundation. |
| 10 |
|
|
* |
| 11 |
|
|
* This program is distributed in the hope that it will be useful, |
| 12 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
|
|
* GNU General Public License for more details. |
| 15 |
|
|
* |
| 16 |
|
|
* You should have received a copy of the GNU General Public License |
| 17 |
|
|
* along with this program; if not, write to the Free Software |
| 18 |
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 |
|
|
*/ |
| 20 |
|
|
|
| 21 |
|
|
#ifndef __X86DIS_H__ |
| 22 |
|
|
#define __X86DIS_H__ |
| 23 |
|
|
|
| 24 |
|
|
#include "asm.h" |
| 25 |
|
|
#include "x86opc.h" |
| 26 |
|
|
#include "tools/data.h" |
| 27 |
|
|
|
| 28 |
|
|
#define word uint16 |
| 29 |
|
|
|
| 30 |
|
|
#define X86DIS_OPCODE_CLASS_STD 0 /* no prefix */ |
| 31 |
|
|
#define X86DIS_OPCODE_CLASS_EXT 1 /* 0F */ |
| 32 |
|
|
#define X86DIS_OPCODE_CLASS_EXTEXT 2 /* 0F0F */ |
| 33 |
|
|
|
| 34 |
|
|
/* x86-specific styles */ |
| 35 |
|
|
#define X86DIS_STYLE_EXPLICIT_MEMSIZE 0x00000001 /* IF SET: mov word ptr [0000], ax ELSE: mov [0000], ax */ |
| 36 |
|
|
#define X86DIS_STYLE_OPTIMIZE_ADDR 0x00000002 /* IF SET: mov [eax*3], ax ELSE: mov [eax+eax*2+00000000], ax */ |
| 37 |
|
|
/*#define X86DIS_STYLE_USE16 0x00000004 |
| 38 |
|
|
#define X86DIS_STYLE_USE32 0x00000008*/ |
| 39 |
|
|
|
| 40 |
|
|
struct x86dis_insn { |
| 41 |
|
|
bool invalid; |
| 42 |
|
|
sint8 lockprefix; |
| 43 |
|
|
sint8 repprefix; |
| 44 |
|
|
sint8 segprefix; |
| 45 |
|
|
byte size; |
| 46 |
|
|
int opcode; |
| 47 |
|
|
int opcodeclass; |
| 48 |
|
|
int eopsize; |
| 49 |
|
|
int eaddrsize; |
| 50 |
|
|
char *name; |
| 51 |
|
|
x86_insn_op op[3]; |
| 52 |
|
|
}; |
| 53 |
|
|
|
| 54 |
|
|
/* |
| 55 |
|
|
* CLASS x86dis |
| 56 |
|
|
*/ |
| 57 |
|
|
|
| 58 |
|
|
class X86Disassembler: public Disassembler { |
| 59 |
|
|
public: |
| 60 |
|
|
int opsize, addrsize; |
| 61 |
|
|
protected: |
| 62 |
|
|
x86dis_insn insn; |
| 63 |
|
|
char insnstr[256]; |
| 64 |
|
|
/* initme! */ |
| 65 |
|
|
const byte *codep, *ocodep; |
| 66 |
|
|
int seg; |
| 67 |
|
|
int addr; // FIXME: int?? |
| 68 |
|
|
byte c; |
| 69 |
|
|
int modrm; |
| 70 |
|
|
int sib; |
| 71 |
|
|
int maxlen; |
| 72 |
|
|
|
| 73 |
|
|
/* new */ |
| 74 |
|
|
void decode_insn(x86opc_insn *insn); |
| 75 |
|
|
void decode_modrm(x86_insn_op *op, char size, int allow_reg, int allow_mem, int mmx); |
| 76 |
|
|
void decode_op(x86_insn_op *op, x86opc_insn_op *xop); |
| 77 |
|
|
void decode_sib(x86_insn_op *op, int mod); |
| 78 |
|
|
int esizeaddr(char c); |
| 79 |
|
|
int esizeop(char c); |
| 80 |
|
|
byte getbyte(); |
| 81 |
|
|
word getword(); |
| 82 |
|
|
dword getdword(); |
| 83 |
|
|
int getmodrm(); |
| 84 |
|
|
int getsib(); |
| 85 |
|
|
void invalidate(); |
| 86 |
|
|
int isfloat(char c); |
| 87 |
|
|
void prefixes(); |
| 88 |
|
|
int special_param_ambiguity(x86dis_insn *disasm_insn); |
| 89 |
|
|
void str_format(char **str, char **format, char *p, char *n, char *op[3], int oplen[3], char stopchar, int print); |
| 90 |
|
|
virtual void str_op(char *opstr, int *opstrlen, x86dis_insn *insn, x86_insn_op *op, bool explicit_params); |
| 91 |
|
|
public: |
| 92 |
|
|
X86Disassembler(); |
| 93 |
|
|
X86Disassembler(int opsize, int addrsize); |
| 94 |
|
|
virtual ~X86Disassembler(); |
| 95 |
|
|
|
| 96 |
|
|
/* overwritten */ |
| 97 |
|
|
virtual dis_insn *decode(const byte *code, int maxlen, CPU_ADDR addr); |
| 98 |
|
|
virtual dis_insn *duplicateInsn(dis_insn *disasm_insn); |
| 99 |
|
|
virtual void getOpcodeMetrics(int &min_length, int &max_length, int &min_look_ahead, int &avg_look_ahead, int &addr_align); |
| 100 |
|
|
virtual char *getName(); |
| 101 |
|
|
virtual byte getSize(dis_insn *disasm_insn); |
| 102 |
|
|
virtual char *str(dis_insn *disasm_insn, int options); |
| 103 |
|
|
virtual char *strf(dis_insn *disasm_insn, int options, char *format); |
| 104 |
|
|
virtual bool validInsn(dis_insn *disasm_insn); |
| 105 |
|
|
}; |
| 106 |
|
|
|
| 107 |
|
|
|
| 108 |
|
|
#endif /* __X86DIS_H__ */ |
Parent Directory
| 
Revision Log