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https://github.com/radareorg/radare2.git
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78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/* radare2 - LGPL - Copyright 2013-2014 - pancake */
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#include <r_asm.h>
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#include <r_lib.h>
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#include <capstone.h>
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#define R_IPI static
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#include "../arch/mips/mipsasm.c"
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static int disassemble(RAsm *a, RAsmOp *op, const ut8 *buf, int len) {
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csh handle;
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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 (a->cpu) {
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if (!strcmp (a->cpu, "n64")) {
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mode |= CS_MODE_N64;
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} else
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if (!strcmp (a->cpu, "micro")) {
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mode |= CS_MODE_MICRO;
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}
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}
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mode |= (a->bits==64)? CS_MODE_64: CS_MODE_32;
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memset (op, 0, sizeof (RAsmOp));
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op->size = 4;
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ret = cs_open (CS_ARCH_MIPS, mode, &handle);
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if (ret) goto fin;
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if (a->syntax == R_ASM_SYNTAX_REGNUM) {
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cs_option (handle, CS_OPT_SYNTAX, CS_OPT_SYNTAX_NOREGNAME);
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} else cs_option (handle, CS_OPT_SYNTAX, CS_OPT_SYNTAX_DEFAULT);
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cs_option (handle, CS_OPT_DETAIL, CS_OPT_OFF);
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n = cs_disasm_ex (handle, (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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ret = -1;
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goto beach;
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} else ret = 4;
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if (insn->size<1)
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goto beach;
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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 (&handle);
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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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r_mem_copyendian (op->buf, op->buf, 4, !a->big_endian);
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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.cs",
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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 = "n64,micro",
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.bits = 16|32|64,
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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_mips_cs
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};
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#endif
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