radare2/libr/asm/p/asm_sysz.c

74 lines
1.5 KiB
C

/* radare2 - LGPL - Copyright 2013-2015 - pancake */
// instruction set : http://www.tachyonsoft.com/inst390m.htm
#include <r_asm.h>
#include <r_lib.h>
#include <capstone.h>
static csh cd = 0;
static bool the_end(void *p) {
if (cd) {
cs_close (&cd);
cd = 0;
}
return 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 = NULL;
mode = CS_MODE_BIG_ENDIAN;
if (cd && mode != omode) {
cs_close (&cd);
cd = 0;
}
op->size = 0;
omode = mode;
if (cd == 0) {
ret = cs_open (CS_ARCH_SYSZ, mode, &cd);
if (ret) {
return 0;
}
cs_option (cd, CS_OPT_DETAIL, CS_OPT_OFF);
}
n = cs_disasm (cd, (const ut8*)buf, len, off, 1, &insn);
if (n>0) {
if (insn->size>0) {
op->size = insn->size;
char *buf_asm = sdb_fmt ("%s%s%s",
insn->mnemonic, insn->op_str[0]?" ": "",
insn->op_str);
char *ptrstr = strstr (buf_asm, "ptr ");
if (ptrstr) {
memmove (ptrstr, ptrstr + 4, strlen (ptrstr + 4) + 1);
}
r_asm_op_set_asm (op, buf_asm);
}
cs_free (insn, n);
}
return op->size;
}
RAsmPlugin r_asm_plugin_sysz = {
.name = "sysz",
.desc = "SystemZ CPU disassembler",
.license = "BSD",
.arch = "sysz",
.bits = 32 | 64,
.endian = R_SYS_ENDIAN_BIG,
.fini = the_end,
.disassemble = &disassemble,
};
#ifndef R2_PLUGIN_INCORE
R_API RLibStruct radare_plugin = {
.type = R_LIB_TYPE_ASM,
.data = &r_asm_plugin_sysz,
.version = R2_VERSION
};
#endif