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/* |
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* HT Editor |
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* x86dis.h |
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* |
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* Copyright (C) 1999-2002 Stefan Weyergraf |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#ifndef __X86DIS_H__ |
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#define __X86DIS_H__ |
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|
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#include "asm.h" |
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#include "x86opc.h" |
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#include "tools/data.h" |
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|
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#define word uint16 |
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|
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#define X86DIS_OPCODE_CLASS_STD 0 /* no prefix */ |
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#define X86DIS_OPCODE_CLASS_EXT 1 /* 0F */ |
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#define X86DIS_OPCODE_CLASS_EXTEXT 2 /* 0F0F */ |
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|
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/* x86-specific styles */ |
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#define X86DIS_STYLE_EXPLICIT_MEMSIZE 0x00000001 /* IF SET: mov word ptr [0000], ax ELSE: mov [0000], ax */ |
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#define X86DIS_STYLE_OPTIMIZE_ADDR 0x00000002 /* IF SET: mov [eax*3], ax ELSE: mov [eax+eax*2+00000000], ax */ |
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/*#define X86DIS_STYLE_USE16 0x00000004 |
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#define X86DIS_STYLE_USE32 0x00000008*/ |
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|
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struct x86dis_insn { |
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bool invalid; |
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sint8 lockprefix; |
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sint8 repprefix; |
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sint8 segprefix; |
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byte size; |
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int opcode; |
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int opcodeclass; |
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int eopsize; |
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int eaddrsize; |
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char *name; |
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x86_insn_op op[3]; |
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}; |
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|
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/* |
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* CLASS x86dis |
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*/ |
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|
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class X86Disassembler: public Disassembler { |
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public: |
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int opsize, addrsize; |
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protected: |
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x86dis_insn insn; |
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char insnstr[256]; |
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/* initme! */ |
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const byte *codep, *ocodep; |
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int seg; |
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int addr; // FIXME: int?? |
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byte c; |
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int modrm; |
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int sib; |
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int maxlen; |
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|
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/* new */ |
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void decode_insn(x86opc_insn *insn); |
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void decode_modrm(x86_insn_op *op, char size, int allow_reg, int allow_mem, int mmx); |
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void decode_op(x86_insn_op *op, x86opc_insn_op *xop); |
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void decode_sib(x86_insn_op *op, int mod); |
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int esizeaddr(char c); |
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int esizeop(char c); |
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byte getbyte(); |
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word getword(); |
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dword getdword(); |
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int getmodrm(); |
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int getsib(); |
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void invalidate(); |
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int isfloat(char c); |
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void prefixes(); |
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int special_param_ambiguity(x86dis_insn *disasm_insn); |
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void str_format(char **str, char **format, char *p, char *n, char *op[3], int oplen[3], char stopchar, int print); |
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virtual void str_op(char *opstr, int *opstrlen, x86dis_insn *insn, x86_insn_op *op, bool explicit_params); |
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public: |
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X86Disassembler(); |
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X86Disassembler(int opsize, int addrsize); |
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virtual ~X86Disassembler(); |
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|
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/* overwritten */ |
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virtual dis_insn *decode(const byte *code, int maxlen, CPU_ADDR addr); |
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virtual dis_insn *duplicateInsn(dis_insn *disasm_insn); |
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virtual void getOpcodeMetrics(int &min_length, int &max_length, int &min_look_ahead, int &avg_look_ahead, int &addr_align); |
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virtual char *getName(); |
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virtual byte getSize(dis_insn *disasm_insn); |
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virtual char *str(dis_insn *disasm_insn, int options); |
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virtual char *strf(dis_insn *disasm_insn, int options, char *format); |
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virtual bool validInsn(dis_insn *disasm_insn); |
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}; |
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|
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|
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#endif /* __X86DIS_H__ */ |
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