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/* Capstone Disassembler Engine */
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2014 */
#include <stdio.h>
#include <capstone/platform.h>
#include <capstone/capstone.h>
struct platform {
cs_arch arch;
cs_mode mode;
unsigned char *code;
size_t size;
const char *comment;
};
static csh handle;
static void print_string_hex(const char *comment, unsigned char *str, size_t len)
{
unsigned char *c;
printf("%s", comment);
for (c = str; c < str + len; c++) {
printf("0x%02x ", *c & 0xff);
}
printf("\n");
}
static void print_insn_detail(cs_insn *ins)
{
cs_xcore *xcore;
int i;
// detail can be NULL on "data" instruction if SKIPDATA option is turned ON
if (ins->detail == NULL)
return;
xcore = &(ins->detail->xcore);
if (xcore->op_count)
printf("\top_count: %u\n", xcore->op_count);
for (i = 0; i < xcore->op_count; i++) {
cs_xcore_op *op = &(xcore->operands[i]);
switch((int)op->type) {
default:
break;
case XCORE_OP_REG:
printf("\t\toperands[%u].type: REG = %s\n", i, cs_reg_name(handle, op->reg));
break;
case XCORE_OP_IMM:
printf("\t\toperands[%u].type: IMM = 0x%x\n", i, op->imm);
break;
case XCORE_OP_MEM:
printf("\t\toperands[%u].type: MEM\n", i);
if (op->mem.base != XCORE_REG_INVALID)
printf("\t\t\toperands[%u].mem.base: REG = %s\n",
i, cs_reg_name(handle, op->mem.base));
if (op->mem.index != XCORE_REG_INVALID)
printf("\t\t\toperands[%u].mem.index: REG = %s\n",
i, cs_reg_name(handle, op->mem.index));
if (op->mem.disp != 0)
printf("\t\t\toperands[%u].mem.disp: 0x%x\n", i, op->mem.disp);
if (op->mem.direct != 1)
printf("\t\t\toperands[%u].mem.direct: -1\n", i);
break;
}
}
printf("\n");
}
static void test()
{
#define XCORE_CODE "\xfe\x0f\xfe\x17\x13\x17\xc6\xfe\xec\x17\x97\xf8\xec\x4f\x1f\xfd\xec\x37\x07\xf2\x45\x5b\xf9\xfa\x02\x06\x1b\x10\x09\xfd\xec\xa7"
struct platform platforms[] = {
{
CS_ARCH_XCORE,
CS_MODE_BIG_ENDIAN,
(unsigned char*)XCORE_CODE,
sizeof(XCORE_CODE) - 1,
"XCore",
},
};
uint64_t address = 0x1000;
cs_insn *insn;
int i;
size_t count;
for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) {
cs_err err = cs_open(platforms[i].arch, platforms[i].mode, &handle);
if (err) {
printf("Failed on cs_open() with error returned: %u\n", err);
abort();
}
cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON);
count = cs_disasm(handle, platforms[i].code, platforms[i].size, address, 0, &insn);
if (count) {
size_t j;
printf("****************\n");
printf("Platform: %s\n", platforms[i].comment);
print_string_hex("Code:", platforms[i].code, platforms[i].size);
printf("Disasm:\n");
for (j = 0; j < count; j++) {
printf("0x%" PRIx64 ":\t%s\t%s\n", insn[j].address, insn[j].mnemonic, insn[j].op_str);
print_insn_detail(&insn[j]);
}
printf("0x%" PRIx64 ":\n", insn[j-1].address + insn[j-1].size);
// free memory allocated by cs_disasm()
cs_free(insn, count);
} else {
printf("****************\n");
printf("Platform: %s\n", platforms[i].comment);
print_string_hex("Code:", platforms[i].code, platforms[i].size);
printf("ERROR: Failed to disasm given code!\n");
abort();
}
printf("\n");
cs_close(&handle);
}
}
int main()
{
test();
return 0;
}
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