radare2/libr/asm/p/asm_ppc_cs.c
2014-05-18 03:15:38 +02:00

66 lines
1.3 KiB
C

/* radare2 - LGPL - Copyright 2014 - pancake */
#include <r_asm.h>
#include <r_lib.h>
#include <capstone.h>
static csh handle = 0;
static int the_end(void *p) {
if (handle) {
cs_close (&handle);
handle = 0;
}
return R_TRUE;
}
static int disassemble(RAsm *a, RAsmOp *op, const ut8 *buf, int len) {
static int omode = 0;
int mode, n, ret;
ut64 off = a->pc;
cs_insn* insn;
mode = CS_MODE_BIG_ENDIAN;
if (handle && mode != omode) {
cs_close (&handle);
handle = 0;
}
op->size = 0;
omode = mode;
if (handle == 0) {
ret = cs_open (CS_ARCH_PPC, mode, &handle);
if (ret) return 0;
}
cs_option (handle, CS_OPT_DETAIL, CS_OPT_OFF);
n = cs_disasm_ex (handle, (const ut8*)buf, len, off, 1, &insn);
if (n>0) {
if (insn->size>0) {
op->size = insn->size;
snprintf (op->buf_asm, R_ASM_BUFSIZE, "%s%s%s",
insn->mnemonic, insn->op_str[0]?" ":"",
insn->op_str);
}
cs_free (insn, n);
}
return op->size;
}
RAsmPlugin r_asm_plugin_ppc_cs = {
.name = "ppc.cs",
.desc = "Capstone PowerPC disassembler",
.license = "BSD",
.arch = "ppc",
.bits = 32|64,
.init = NULL,
.fini = the_end,
.disassemble = &disassemble,
.assemble = NULL
};
#ifndef CORELIB
struct r_lib_struct_t radare_plugin = {
.type = R_LIB_TYPE_ASM,
.data = &r_asm_plugin_ppc_cs
};
#endif