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67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* radare - GPL3 - Copyright 2009 nibble<.ds@gmail.com> */
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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 "fastcall_x86.h"
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#include "x86/ollyasm/disasm.h"
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static int disassemble(struct r_asm_t *a, struct r_asm_aop_t *aop, ut8 *buf, ut64 len) {
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t_disasm disasm_obj;
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//lowercase=1;
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aop->inst_len = Disasm_olly(buf, len, a->pc, &disasm_obj, DISASM_FILE);
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snprintf(aop->buf_asm, R_ASM_BUFSIZE, "%s", disasm_obj.result);
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return aop->inst_len;
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}
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static int assemble(struct r_asm_t *a, struct r_asm_aop_t *aop, const char *buf) {
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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, aop->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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aop->inst_len = Assemble((char*)buf, a->pc, &asm_obj, oattempt, oconstsize, aop->buf_err);
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if (aop->inst_len < 0)
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aop->inst_len = 0;
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if (aop->inst_len > 0)
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memcpy(aop->buf, asm_obj.code, aop->inst_len<=R_ASM_BUFSIZE?aop->inst_len:R_ASM_BUFSIZE);
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return aop->inst_len;
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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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.desc = "X86 disassembly plugin (olly engine)",
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.arch = "x86",
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.bits = (int[]){ 32, 0 },
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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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.fastcall = (void *)fastcall,
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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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