mirror of
https://github.com/radareorg/radare2.git
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97bc1e4b62
- Add r_asm_code for massemble and mdisassemble - Use realloc in massemble and mdisassemble - Remove unused disasm_obj
82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/* radare - GPL3 - Copyright 2009 pancake <youterm.com> - 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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static int disassemble(struct r_asm_t *a, struct r_asm_aop_t *aop, ut8 *buf, ut64 len)
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{
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int i;
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char *buf_cp, *b;
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if ((b = buf_cp = alloca(len+1)) == NULL)
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return 0;
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memcpy(buf_cp, buf, len+1);
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for(i=0;b[0] == b[1] && i<len; b=b+1,i++); b[1] = '\0';
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switch(buf[0]) {
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case '[':
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strcpy(aop->buf_asm, "[ loop {");
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break;
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case ']':
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strcpy(aop->buf_asm, "] }"); // TODO: detect clause and put label name
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break;
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case '>':
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if (i>1) strcpy(aop->buf_asm, "> add [ptr]");
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else strcpy(aop->buf_asm, "> inc [ptr]");
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break;
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case '<':
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if (i>1) strcpy(aop->buf_asm, "< sub [ptr]");
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else strcpy(aop->buf_asm, "< dec [ptr]");
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break;
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case '+':
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if (i>1) strcpy(aop->buf_asm, "+ add [ptr]");
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else strcpy(aop->buf_asm, "+ inc [ptr]");
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break;
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case '-':
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if (i>1) strcpy(aop->buf_asm, "- sub [ptr]");
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else strcpy(aop->buf_asm, "- dec [ptr]");
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break;
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case ',':
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strcpy(aop->buf_asm, ", [ptr] = getch()");
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break;
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case '.':
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strcpy(aop->buf_asm, ". print( [ptr] )");
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break;
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case '\x00':
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strcpy(aop->buf_asm, " trap");
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break;
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default:
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strcpy(aop->buf_asm, " nop");
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break;
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}
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if (i>0) sprintf(aop->buf_asm, "%s, %d", aop->buf_asm, i+1);
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if (i<1) i=1; else i++;
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return i;
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}
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struct r_asm_handle_t r_asm_plugin_bf = {
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.name = "bf",
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.arch = "brainfuck",
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.bits = (int[]){ 8, 0 },
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.desc = "BF disassembly plugin",
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.init = NULL,
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.fini = NULL,
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.disassemble = &disassemble,
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.assemble = NULL
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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_bf
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};
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#endif
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