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https://github.com/radareorg/radare2.git
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105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/* radare2 - LGPL - Copyright 2013-2017 - pancake */
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#include <r_asm.h>
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#include <r_lib.h>
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#include <capstone/capstone.h>
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#define R_IPI static
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#include "../arch/mips/mipsasm.c"
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static csh cd = 0;
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#include "cs_mnemonics.c"
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static int disassemble(RAsm *a, RAsmOp *op, const ut8 *buf, int len) {
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cs_insn* insn;
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int mode, n, ret = -1;
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mode = (a->big_endian)? CS_MODE_BIG_ENDIAN: CS_MODE_LITTLE_ENDIAN;
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if (!op) {
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return 0;
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}
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if (a->cpu && *a->cpu) {
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if (!strcmp (a->cpu, "micro")) {
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mode |= CS_MODE_MICRO;
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} else if (!strcmp (a->cpu, "r6")) {
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mode |= CS_MODE_MIPS32R6;
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} else if (!strcmp (a->cpu, "v3")) {
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mode |= CS_MODE_MIPS3;
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} else if (!strcmp (a->cpu, "v2")) {
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#if CS_API_MAJOR > 3
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mode |= CS_MODE_MIPS2;
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#endif
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}
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}
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mode |= (a->bits == 64)? CS_MODE_MIPS64 : CS_MODE_MIPS32;
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memset (op, 0, sizeof (RAsmOp));
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op->size = 4;
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if (cd != 0) {
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cs_close (&cd);
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}
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ret = cs_open (CS_ARCH_MIPS, mode, &cd);
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if (ret) {
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goto fin;
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}
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if (a->syntax == R_ASM_SYNTAX_REGNUM) {
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cs_option (cd, CS_OPT_SYNTAX, CS_OPT_SYNTAX_NOREGNAME);
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} else {
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cs_option (cd, CS_OPT_SYNTAX, CS_OPT_SYNTAX_DEFAULT);
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}
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cs_option (cd, CS_OPT_DETAIL, CS_OPT_OFF);
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n = cs_disasm (cd, (ut8*)buf, len, a->pc, 1, &insn);
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if (n < 1) {
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strcpy (op->buf_asm, "invalid");
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op->size = 4;
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goto beach;
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} else {
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ret = 4;
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}
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if (insn->size < 1) {
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goto beach;
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}
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op->size = insn->size;
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snprintf (op->buf_asm, R_ASM_BUFSIZE, "%s%s%s",
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insn->mnemonic, insn->op_str[0]? " ": "",
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insn->op_str);
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// remove the '$'<registername> in the string
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r_str_replace_char (op->buf_asm, '$', 0);
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cs_free (insn, n);
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beach:
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// cs_close (&cd);
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fin:
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return op->size;
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}
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static int assemble(RAsm *a, RAsmOp *op, const char *str) {
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int ret = mips_assemble (str, a->pc, op->buf);
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if (a->big_endian) {
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ut8 tmp = op->buf[0];
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op->buf[0] = op->buf[3];
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op->buf[3] = tmp;
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tmp = op->buf[1];
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op->buf[1] = op->buf[2];
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op->buf[2] = tmp;
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}
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return ret;
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}
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RAsmPlugin r_asm_plugin_mips_cs = {
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.name = "mips",
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.desc = "Capstone MIPS disassembler",
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.license = "BSD",
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.arch = "mips",
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.cpus = "mips32/64,micro,r6,v3,v2",
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.bits = 16|32|64,
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.endian = R_SYS_ENDIAN_LITTLE | R_SYS_ENDIAN_BIG,
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.disassemble = &disassemble,
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.mnemonics = mnemonics,
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.assemble = &assemble
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};
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#ifndef CORELIB
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RLibStruct radare_plugin = {
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.type = R_LIB_TYPE_ASM,
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.data = &r_asm_plugin_mips_cs,
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.version = R2_VERSION
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};
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#endif
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