1 /* Capstone Disassembler Engine */ 2 /* By Nguyen Anh Quynh <aquynh (at) gmail.com>, 2013-2014 */ 3 4 #include <stdio.h> 5 6 #include <platform.h> 7 #include <capstone.h> 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 19 static void print_string_hex(char *comment, unsigned char *str, size_t len) 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 { 33 cs_sparc *sparc; 34 int i; 35 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); 41 if (sparc->op_count) 42 printf("\top_count: %u\n", sparc->op_count); 43 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 83 #define SPARCV9_CODE "\x81\xa8\x0a\x24\x89\xa0\x10\x20\x89\xa0\x1a\x60\x89\xa0\x00\xe0" 84 85 struct platform platforms[] = { 86 { 87 CS_ARCH_SPARC, 88 CS_MODE_BIG_ENDIAN, 89 (unsigned char*)SPARC_CODE, 90 sizeof(SPARC_CODE) - 1, 91 "Sparc", 92 }, 93 { 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" 99 }, 100 }; 101 102 uint64_t address = 0x1000; 103 cs_insn *insn; 104 int i; 105 size_t count; 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); 115 116 count = cs_disasm(handle, platforms[i].code, platforms[i].size, address, 0, &insn); 117 if (count) { 118 size_t j; 119 120 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"); 124 125 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); 130 131 // free memory allocated by cs_disasm() 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 } 152
