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62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/* radare - LGPL - Copyright 2009-2013 - pancake, nibble */
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#include <stdio.h>
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#include <string.h>
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#include <r_types.h>
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#include <r_lib.h>
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#include <r_asm.h>
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#include "x86/ollyasm/disasm.h"
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static int disassemble(RAsm *a, RAsmOp *op, const ut8 *buf, int len) {
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t_disasm disasm_obj;
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op->size = Disasm_olly(buf, len, a->pc, &disasm_obj, DISASM_FILE);
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snprintf(op->buf_asm, R_ASM_BUFSIZE, "%s", disasm_obj.result);
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return op->size;
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}
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static int assemble(RAsm *a, RAsmOp *op, const char *buf) {
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char buf_err[128];
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static t_asmmodel asm_obj;
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int attempt, constsize, oattempt = 0, oconstsize = 0, ret = 0, oret = 0xCAFE;
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/* attempt == 0: First attempt */
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/* constsize == 0: Address constants and inmediate data of 16/32b */
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for (constsize = 0; constsize < 4; constsize++) {
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for (attempt = 0; ret > 0; attempt++) {
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ret = Assemble((char*)buf, a->pc, &asm_obj, attempt, constsize, buf_err);
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if (ret > 0 && ret < oret) {
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oret = ret;
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oattempt = attempt;
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oconstsize = constsize;
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}
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}
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}
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op->size = R_MAX (0, Assemble((char*)buf, a->pc, &asm_obj, oattempt, oconstsize, buf_err));
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if (op->size > 0)
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memcpy (op->buf, asm_obj.code, R_MIN(R_MIN(op->size, (R_ASM_BUFSIZE-1)), MAXCMDSIZE-1));
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return op->size;
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}
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RAsmPlugin r_asm_plugin_x86_olly = {
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.name = "x86.olly",
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.license = "GPL2",
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.desc = "OllyDBG X86 disassembler",
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.arch = "x86",
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.bits = 32,
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.init = NULL,
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.fini = NULL,
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.disassemble = &disassemble,
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.assemble = &assemble,
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};
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#ifndef CORELIB
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struct r_lib_struct_t radare_plugin = {
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.type = R_LIB_TYPE_ASM,
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.data = &r_asm_plugin_x86_olly
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};
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#endif
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