| /* Capstone Disassembler Engine */ |
| /* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <inttypes.h> |
| |
| #include <capstone.h> |
| |
| struct platform { |
| cs_arch arch; |
| cs_mode mode; |
| unsigned char *code; |
| size_t size; |
| char *comment; |
| cs_opt_type opt_type; |
| cs_opt_value opt_value; |
| }; |
| |
| static void print_string_hex(unsigned char *str, int len) |
| { |
| unsigned char *c; |
| |
| printf("Code: "); |
| for (c = str; c < str + len; c++) { |
| printf("0x%02x ", *c & 0xff); |
| } |
| printf("\n"); |
| } |
| |
| static void test() |
| { |
| #define X86_CODE16 "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00" |
| #define X86_CODE32 "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00" |
| //#define X86_CODE32 "\x0f\xa7\xc0" // xstorerng |
| #define X86_CODE64 "\x55\x48\x8b\x05\xb8\x13\x00\x00" |
| //#define ARM_CODE "\x04\xe0\x2d\xe5" |
| #define ARM_CODE "\xED\xFF\xFF\xEB\x04\xe0\x2d\xe5\x00\x00\x00\x00\xe0\x83\x22\xe5\xf1\x02\x03\x0e\x00\x00\xa0\xe3\x02\x30\xc1\xe7\x00\x00\x53\xe3" |
| #define ARM_CODE2 "\x10\xf1\x10\xe7\x11\xf2\x31\xe7\xdc\xa1\x2e\xf3\xe8\x4e\x62\xf3" |
| #define THUMB_CODE "\x70\x47\xeb\x46\x83\xb0\xc9\x68" |
| #define THUMB_CODE2 "\x4f\xf0\x00\x01\xbd\xe8\x00\x88\xd1\xe8\x00\xf0" |
| #define MIPS_CODE "\x0C\x10\x00\x97\x00\x00\x00\x00\x24\x02\x00\x0c\x8f\xa2\x00\x00\x34\x21\x34\x56" |
| #define MIPS_CODE2 "\x56\x34\x21\x34\xc2\x17\x01\x00" |
| //#define ARM64_CODE "\x00\x40\x21\x4b" // sub w0, w0, w1, uxtw |
| //#define ARM64_CODE "\x21\x7c\x02\x9b" // mul x1, x1, x2 |
| //#define ARM64_CODE "\x20\x74\x0b\xd5" // dc zva, x0 |
| //#define ARM64_CODE "\xe1\x0b\x40\xb9" // ldr w1, [sp, #0x8] |
| #define ARM64_CODE "\x21\x7c\x02\x9b\x21\x7c\x00\x53\x00\x40\x21\x4b\xe1\x0b\x40\xb9" |
| |
| struct platform platforms[] = { |
| { |
| .arch = CS_ARCH_X86, |
| .mode = CS_MODE_16, |
| .code = (unsigned char*)X86_CODE16, |
| .size = sizeof(X86_CODE16) - 1, |
| .comment = "X86 16bit (Intel syntax)" |
| }, |
| { |
| .arch = CS_ARCH_X86, |
| .mode = CS_MODE_32, |
| .code = (unsigned char*)X86_CODE32, |
| .size = sizeof(X86_CODE32) - 1, |
| .comment = "X86 32bit (ATT syntax)", |
| .opt_type = CS_OPT_SYNTAX, |
| .opt_value = CS_OPT_SYNTAX_ATT, |
| }, |
| { |
| .arch = CS_ARCH_X86, |
| .mode = CS_MODE_32, |
| .code = (unsigned char*)X86_CODE32, |
| .size = sizeof(X86_CODE32) - 1, |
| .comment = "X86 32 (Intel syntax)" |
| }, |
| { |
| .arch = CS_ARCH_X86, |
| .mode = CS_MODE_64, |
| .code = (unsigned char*)X86_CODE64, |
| .size = sizeof(X86_CODE64) - 1, |
| .comment = "X86 64 (Intel syntax)" |
| }, |
| { |
| .arch = CS_ARCH_ARM, |
| .mode = CS_MODE_ARM, |
| .code = (unsigned char*)ARM_CODE, |
| .size = sizeof(ARM_CODE) - 1, |
| .comment = "ARM" |
| }, |
| { |
| .arch = CS_ARCH_ARM, |
| .mode = CS_MODE_THUMB, |
| .code = (unsigned char*)THUMB_CODE2, |
| .size = sizeof(THUMB_CODE2) - 1, |
| .comment = "THUMB-2" |
| }, |
| { |
| .arch = CS_ARCH_ARM, |
| .mode = CS_MODE_ARM, |
| .code = (unsigned char*)ARM_CODE2, |
| .size = sizeof(ARM_CODE2) - 1, |
| .comment = "ARM: Cortex-A15 + NEON" |
| }, |
| { |
| .arch = CS_ARCH_ARM, |
| .mode = CS_MODE_THUMB, |
| .code = (unsigned char*)THUMB_CODE, |
| .size = sizeof(THUMB_CODE) - 1, |
| .comment = "THUMB" |
| }, |
| { |
| .arch = CS_ARCH_MIPS, |
| .mode = CS_MODE_32 + CS_MODE_BIG_ENDIAN, |
| .code = (unsigned char*)MIPS_CODE, |
| .size = sizeof(MIPS_CODE) - 1, |
| .comment = "MIPS-32 (Big-endian)" |
| }, |
| { |
| .arch = CS_ARCH_MIPS, |
| .mode = CS_MODE_64+ CS_MODE_LITTLE_ENDIAN, |
| .code = (unsigned char*)MIPS_CODE2, |
| .size = sizeof(MIPS_CODE2) - 1, |
| .comment = "MIPS-64-EL (Little-endian)" |
| }, |
| { |
| .arch = CS_ARCH_ARM64, |
| .mode = CS_MODE_ARM, |
| .code = (unsigned char*)ARM64_CODE, |
| .size = sizeof(ARM64_CODE) - 1, |
| .comment = "ARM-64" |
| }, |
| }; |
| |
| csh handle; |
| uint64_t address = 0x1000; |
| //cs_insn insn[16]; |
| cs_insn *insn; |
| int i; |
| |
| 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); |
| return; |
| } |
| |
| if (platforms[i].opt_type) |
| cs_option(handle, platforms[i].opt_type, platforms[i].opt_value); |
| |
| //size_t count = cs_disasm(handle, platforms[i].code, platforms[i].size, address, 0, insn); |
| size_t count = cs_disasm_dyn(handle, platforms[i].code, platforms[i].size, address, 0, &insn); |
| if (count) { |
| printf("****************\n"); |
| printf("Platform: %s\n", platforms[i].comment); |
| print_string_hex(platforms[i].code, platforms[i].size); |
| printf("Disasm:\n"); |
| |
| size_t j; |
| |
| for (j = 0; j < count; j++) { |
| printf("0x%"PRIx64":\t%s\t\t%s\n", |
| insn[j].address, insn[j].mnemonic, insn[j].op_str); |
| } |
| |
| // print out the next offset, after the last insn |
| printf("0x%"PRIx64":\n", insn[j-1].address + insn[j-1].size); |
| |
| // free memory allocated by cs_disasm_dyn() |
| cs_free(insn); |
| } else { |
| printf("****************\n"); |
| printf("Platform: %s\n", platforms[i].comment); |
| print_string_hex(platforms[i].code, platforms[i].size); |
| printf("ERROR: Failed to disasm given code!\n"); |
| } |
| |
| printf("\n"); |
| |
| cs_close(handle); |
| } |
| } |
| |
| int main() |
| { |
| test(); |
| |
| #if 0 |
| #define offsetof(st, m) __builtin_offsetof(st, m) |
| |
| cs_insn insn; |
| printf("size: %lu\n", sizeof(insn)); |
| printf("@id: %lu\n", offsetof(cs_insn, id)); |
| printf("@address: %lu\n", offsetof(cs_insn, address)); |
| printf("@size: %lu\n", offsetof(cs_insn, size)); |
| printf("@bytes: %lu\n", offsetof(cs_insn, bytes)); |
| printf("@mnemonic: %lu\n", offsetof(cs_insn, mnemonic)); |
| printf("@op_str: %lu\n", offsetof(cs_insn, op_str)); |
| printf("@regs_read: %lu\n", offsetof(cs_insn, regs_read)); |
| printf("@regs_read_count: %lu\n", offsetof(cs_insn, regs_read_count)); |
| printf("@regs_write: %lu\n", offsetof(cs_insn, regs_write)); |
| printf("@regs_write_count: %lu\n", offsetof(cs_insn, regs_write_count)); |
| printf("@groups: %lu\n", offsetof(cs_insn, groups)); |
| printf("@groups_count: %lu\n", offsetof(cs_insn, groups_count)); |
| printf("@arch: %lu\n", offsetof(cs_insn, x86)); |
| #endif |
| |
| return 0; |
| } |