mirror of
https://github.com/capstone-engine/capstone.git
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143 lines
3.1 KiB
C
143 lines
3.1 KiB
C
/* Capstone Disassembler Engine */
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/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> */
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#include <stdio.h>
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#include <inttypes.h>
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#include <capstone.h>
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struct platform {
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cs_arch arch;
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cs_mode mode;
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unsigned char *code;
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size_t size;
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char *comment;
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};
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static csh handle;
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static void print_string_hex(char *comment, unsigned char *str, int len)
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{
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unsigned char *c;
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printf("%s", comment);
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for (c = str; c < str + len; c++) {
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printf("0x%02x ", *c & 0xff);
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}
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printf("\n");
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}
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static void print_insn_detail(cs_insn *ins)
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{
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cs_ppc *ppc;
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int i;
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// detail can be NULL on "data" instruction if SKIPDATA option is turned ON
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if (ins->detail == NULL)
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return;
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ppc = &(ins->detail->ppc);
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if (ppc->op_count)
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printf("\top_count: %u\n", ppc->op_count);
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for (i = 0; i < ppc->op_count; i++) {
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cs_ppc_op *op = &(ppc->operands[i]);
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switch((int)op->type) {
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default:
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break;
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case PPC_OP_REG:
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printf("\t\toperands[%u].type: REG = %s\n", i, cs_reg_name(handle, op->reg));
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break;
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case PPC_OP_IMM:
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printf("\t\toperands[%u].type: IMM = 0x%x\n", i, op->imm);
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break;
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case PPC_OP_MEM:
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printf("\t\toperands[%u].type: MEM\n", i);
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if (op->mem.base != X86_REG_INVALID)
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printf("\t\t\toperands[%u].mem.base: REG = %s\n",
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i, cs_reg_name(handle, op->mem.base));
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if (op->mem.disp != 0)
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printf("\t\t\toperands[%u].mem.disp: 0x%x\n", i, op->mem.disp);
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break;
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}
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}
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if (ppc->bc != 0)
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printf("\tBranch code: %u\n", ppc->bc);
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if (ppc->bh != 0)
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printf("\tBranch hint: %u\n", ppc->bh);
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if (ppc->update_cr0)
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printf("\tUpdate-CR0: True\n");
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printf("\n");
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}
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static void test()
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{
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#define PPC_CODE "\x80\x20\x00\x00\x80\x3f\x00\x00\x10\x43\x23\x0e\xd0\x44\x00\x80\x4c\x43\x22\x02\x2d\x03\x00\x80\x7c\x43\x20\x14\x7c\x43\x20\x93\x4f\x20\x00\x21\x4c\xc8\x00\x21"
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struct platform platforms[] = {
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{
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CS_ARCH_PPC,
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CS_MODE_BIG_ENDIAN,
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(unsigned char*)PPC_CODE,
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sizeof(PPC_CODE) - 1,
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"PPC-64",
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}
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};
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uint64_t address = 0x1000;
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cs_insn *insn;
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int i;
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size_t count;
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for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) {
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cs_err err = cs_open(platforms[i].arch, platforms[i].mode, &handle);
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if (err) {
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printf("Failed on cs_open() with error returned: %u\n", err);
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continue;
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}
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cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON);
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count = cs_disasm_ex(handle, platforms[i].code, platforms[i].size, address, 0, &insn);
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if (count) {
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size_t j;
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printf("****************\n");
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printf("Platform: %s\n", platforms[i].comment);
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print_string_hex("Code:", platforms[i].code, platforms[i].size);
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printf("Disasm:\n");
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for (j = 0; j < count; j++) {
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printf("0x%"PRIx64":\t%s\t%s\n", insn[j].address, insn[j].mnemonic, insn[j].op_str);
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print_insn_detail(&insn[j]);
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}
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printf("0x%"PRIx64":\n", insn[j-1].address + insn[j-1].size);
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// free memory allocated by cs_disasm_ex()
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cs_free(insn, count);
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} else {
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printf("****************\n");
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printf("Platform: %s\n", platforms[i].comment);
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print_string_hex("Code:", platforms[i].code, platforms[i].size);
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printf("ERROR: Failed to disasm given code!\n");
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}
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printf("\n");
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cs_close(&handle);
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}
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}
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int main()
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{
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test();
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return 0;
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}
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