| /* 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; |
| }; |
| |
| 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_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_CODE "\x21\x38\x00\x01" |
| //#define MIPS_CODE "\x21\x30\xe6\x70" |
| #define MIPS_CODE2 "\x56\x34\x21\x34\xc2\x17\x01\x00" |
| //#define ARM64_CODE "\xe1\x0b\x40\xb9" // ldr w1, [sp, #0x8] |
| //#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 "\x20\xfc\x02\x9b" // mneg x0, x1, x2 |
| #define ARM64_CODE "\x21\x7c\x02\x9b\x21\x7c\x00\x53\x00\x40\x21\x4b\xe1\x0b\x40\xb9\x10\x20\x21\x1e" |
| //#define THUMB_CODE "\x0a\xbf" // itet eq |
| //#define X86_CODE32 "\x77\x04" // ja +6 |
| |
| struct platform platforms[] = { |
| { |
| .arch = CS_ARCH_X86, |
| .mode = CS_MODE_16, |
| .code = (unsigned char *)X86_CODE16, |
| .size = sizeof(X86_CODE32) - 1, |
| .comment = "X86 16bit (Intel syntax)" |
| }, |
| { |
| .arch = CS_ARCH_X86, |
| .mode = CS_MODE_32 + CS_MODE_SYNTAX_ATT, |
| .code = (unsigned char *)X86_CODE32, |
| .size = sizeof(X86_CODE32) - 1, |
| .comment = "X86 32bit (ATT syntax)" |
| }, |
| { |
| .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; |
| size_t address = 0x1000; |
| //cs_insn all_insn[16]; |
| cs_insn *all_insn; |
| int i; |
| |
| for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) { |
| if (cs_open(platforms[i].arch, platforms[i].mode, &handle)) |
| return; |
| |
| //size_t count = cs_disasm(handle, platforms[i].code, platforms[i].size, address, 0, all_insn); |
| size_t count = cs_disasm_dyn(handle, platforms[i].code, platforms[i].size, address, 0, &all_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; |
| int n; |
| for (j = 0; j < count; j++) { |
| cs_insn *i = &(all_insn[j]); |
| printf("0x%"PRIx64":\t%s\t\t%s // insn-ID: %u, insn-mnem: %s\n", |
| (uint64_t)i->address, i->mnemonic, i->op_str, |
| i->id, cs_insn_name(handle, i->id)); |
| |
| // print implicit registers used by this instruction |
| if (i->regs_read_count > 0) { |
| printf("\tImplicit registers read: "); |
| for (n = 0; n < i->regs_read_count; n++) { |
| printf("%s ", cs_reg_name(handle, i->regs_read[n])); |
| } |
| printf("\n"); |
| } |
| |
| // print implicit registers modified by this instruction |
| if (i->regs_write_count > 0) { |
| printf("\tImplicit registers modified: "); |
| for (n = 0; n < i->regs_write_count; n++) { |
| printf("%s ", cs_reg_name(handle, i->regs_write[n])); |
| } |
| printf("\n"); |
| } |
| |
| // print the groups this instruction belong to |
| if (i->groups_count > 0) { |
| printf("\tThis instruction belongs to groups: "); |
| for (n = 0; n < i->groups_count; n++) { |
| printf("%u ", i->groups[n]); |
| } |
| printf("\n"); |
| } |
| } |
| |
| // print out the next offset, after the last insn |
| printf("0x%"PRIx64":\n", (uint64_t)all_insn[j-1].address + all_insn[j-1].size); |
| |
| // free memory allocated by cs_disasm_dyn() |
| cs_free(all_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(); |
| |
| return 0; |
| } |