Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 1 | /* Capstone Disassembler Engine */ |
| 2 | /* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2014 */ |
| 3 | |
| 4 | #include <stdio.h> |
Cr4sh | 19ee2d1 | 2015-03-29 18:29:06 +0800 | [diff] [blame] | 5 | #include "../myinttypes.h" |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 6 | |
pancake | 9c10ace | 2015-02-24 04:55:55 +0100 | [diff] [blame] | 7 | #include <capstone/capstone.h> |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 8 | |
| 9 | struct platform { |
| 10 | cs_arch arch; |
| 11 | cs_mode mode; |
| 12 | unsigned char *code; |
| 13 | size_t size; |
| 14 | char *comment; |
| 15 | }; |
| 16 | |
| 17 | static csh handle; |
| 18 | |
Mr. eXoDia | 9be1f93 | 2014-08-26 12:46:15 +0200 | [diff] [blame] | 19 | static void print_string_hex(char *comment, unsigned char *str, size_t len) |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 20 | { |
| 21 | unsigned char *c; |
| 22 | |
| 23 | printf("%s", comment); |
| 24 | for (c = str; c < str + len; c++) { |
| 25 | printf("0x%02x ", *c & 0xff); |
| 26 | } |
| 27 | |
| 28 | printf("\n"); |
| 29 | } |
| 30 | |
| 31 | static void print_insn_detail(cs_insn *ins) |
| 32 | { |
Nguyen Anh Quynh | 54015f4 | 2014-04-10 00:02:04 +0800 | [diff] [blame] | 33 | cs_sparc *sparc; |
Nguyen Anh Quynh | 5b556e5 | 2014-04-11 10:15:26 +0800 | [diff] [blame] | 34 | int i; |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 35 | |
Nguyen Anh Quynh | 54015f4 | 2014-04-10 00:02:04 +0800 | [diff] [blame] | 36 | // detail can be NULL on "data" instruction if SKIPDATA option is turned ON |
| 37 | if (ins->detail == NULL) |
| 38 | return; |
| 39 | |
| 40 | sparc = &(ins->detail->sparc); |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 41 | if (sparc->op_count) |
| 42 | printf("\top_count: %u\n", sparc->op_count); |
| 43 | |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 44 | for (i = 0; i < sparc->op_count; i++) { |
| 45 | cs_sparc_op *op = &(sparc->operands[i]); |
| 46 | switch((int)op->type) { |
| 47 | default: |
| 48 | break; |
| 49 | case SPARC_OP_REG: |
| 50 | printf("\t\toperands[%u].type: REG = %s\n", i, cs_reg_name(handle, op->reg)); |
| 51 | break; |
| 52 | case SPARC_OP_IMM: |
| 53 | printf("\t\toperands[%u].type: IMM = 0x%x\n", i, op->imm); |
| 54 | break; |
| 55 | case SPARC_OP_MEM: |
| 56 | printf("\t\toperands[%u].type: MEM\n", i); |
| 57 | if (op->mem.base != X86_REG_INVALID) |
| 58 | printf("\t\t\toperands[%u].mem.base: REG = %s\n", |
| 59 | i, cs_reg_name(handle, op->mem.base)); |
| 60 | if (op->mem.index != X86_REG_INVALID) |
| 61 | printf("\t\t\toperands[%u].mem.index: REG = %s\n", |
| 62 | i, cs_reg_name(handle, op->mem.index)); |
| 63 | if (op->mem.disp != 0) |
| 64 | printf("\t\t\toperands[%u].mem.disp: 0x%x\n", i, op->mem.disp); |
| 65 | |
| 66 | break; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | if (sparc->cc != 0) |
| 71 | printf("\tCode condition: %u\n", sparc->cc); |
| 72 | |
| 73 | if (sparc->hint != 0) |
| 74 | printf("\tHint code: %u\n", sparc->hint); |
| 75 | |
| 76 | printf("\n"); |
| 77 | } |
| 78 | |
| 79 | static void test() |
| 80 | { |
| 81 | #define SPARC_CODE "\x80\xa0\x40\x02\x85\xc2\x60\x08\x85\xe8\x20\x01\x81\xe8\x00\x00\x90\x10\x20\x01\xd5\xf6\x10\x16\x21\x00\x00\x0a\x86\x00\x40\x02\x01\x00\x00\x00\x12\xbf\xff\xff\x10\xbf\xff\xff\xa0\x02\x00\x09\x0d\xbf\xff\xff\xd4\x20\x60\x00\xd4\x4e\x00\x16\x2a\xc2\x80\x03" |
| 82 | |
Nguyen Anh Quynh | ea9f4b1 | 2014-03-10 20:38:01 +0800 | [diff] [blame] | 83 | #define SPARCV9_CODE "\x81\xa8\x0a\x24\x89\xa0\x10\x20\x89\xa0\x1a\x60\x89\xa0\x00\xe0" |
| 84 | |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 85 | struct platform platforms[] = { |
| 86 | { |
Axel 0vercl0k Souchet | d3eb98b | 2014-05-09 21:28:07 +0100 | [diff] [blame] | 87 | CS_ARCH_SPARC, |
| 88 | CS_MODE_BIG_ENDIAN, |
| 89 | (unsigned char*)SPARC_CODE, |
| 90 | sizeof(SPARC_CODE) - 1, |
| 91 | "Sparc", |
Nguyen Anh Quynh | ea9f4b1 | 2014-03-10 20:38:01 +0800 | [diff] [blame] | 92 | }, |
| 93 | { |
Axel 0vercl0k Souchet | d3eb98b | 2014-05-09 21:28:07 +0100 | [diff] [blame] | 94 | CS_ARCH_SPARC, |
| 95 | (cs_mode)(CS_MODE_BIG_ENDIAN + CS_MODE_V9), |
| 96 | (unsigned char*)SPARCV9_CODE, |
| 97 | sizeof(SPARCV9_CODE) - 1, |
| 98 | "SparcV9" |
Nguyen Anh Quynh | ea9f4b1 | 2014-03-10 20:38:01 +0800 | [diff] [blame] | 99 | }, |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 100 | }; |
| 101 | |
| 102 | uint64_t address = 0x1000; |
| 103 | cs_insn *insn; |
| 104 | int i; |
Nguyen Anh Quynh | 5b556e5 | 2014-04-11 10:15:26 +0800 | [diff] [blame] | 105 | size_t count; |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 106 | |
| 107 | for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) { |
| 108 | cs_err err = cs_open(platforms[i].arch, platforms[i].mode, &handle); |
| 109 | if (err) { |
| 110 | printf("Failed on cs_open() with error returned: %u\n", err); |
| 111 | continue; |
| 112 | } |
| 113 | |
| 114 | cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON); |
| 115 | |
Nguyen Anh Quynh | 0beb0d4 | 2014-08-27 22:55:29 +0800 | [diff] [blame] | 116 | count = cs_disasm(handle, platforms[i].code, platforms[i].size, address, 0, &insn); |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 117 | if (count) { |
Nguyen Anh Quynh | 5b556e5 | 2014-04-11 10:15:26 +0800 | [diff] [blame] | 118 | size_t j; |
| 119 | |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 120 | printf("****************\n"); |
| 121 | printf("Platform: %s\n", platforms[i].comment); |
| 122 | print_string_hex("Code:", platforms[i].code, platforms[i].size); |
| 123 | printf("Disasm:\n"); |
| 124 | |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 125 | for (j = 0; j < count; j++) { |
| 126 | printf("0x%"PRIx64":\t%s\t%s\n", insn[j].address, insn[j].mnemonic, insn[j].op_str); |
| 127 | print_insn_detail(&insn[j]); |
| 128 | } |
| 129 | printf("0x%"PRIx64":\n", insn[j-1].address + insn[j-1].size); |
| 130 | |
Nguyen Anh Quynh | 0beb0d4 | 2014-08-27 22:55:29 +0800 | [diff] [blame] | 131 | // free memory allocated by cs_disasm() |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 132 | cs_free(insn, count); |
| 133 | } else { |
| 134 | printf("****************\n"); |
| 135 | printf("Platform: %s\n", platforms[i].comment); |
| 136 | print_string_hex("Code:", platforms[i].code, platforms[i].size); |
| 137 | printf("ERROR: Failed to disasm given code!\n"); |
| 138 | } |
| 139 | |
| 140 | printf("\n"); |
| 141 | |
| 142 | cs_close(&handle); |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | int main() |
| 147 | { |
| 148 | test(); |
| 149 | |
| 150 | return 0; |
| 151 | } |