danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 1 | // Capstone Java binding |
| 2 | // By Nguyen Anh Quynh & Dang Hoang Vu, 2013 |
| 3 | |
danghvu | f86a7d5 | 2013-11-27 15:09:07 -0600 | [diff] [blame] | 4 | import capstone.Capstone; |
| 5 | import capstone.X86; |
| 6 | |
danghvu | 2f66688 | 2013-12-01 13:32:16 -0600 | [diff] [blame] | 7 | import static capstone.X86_const.*; |
| 8 | |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 9 | public class TestX86 { |
| 10 | |
| 11 | static byte[] hexString2Byte(String s) { |
| 12 | // from http://stackoverflow.com/questions/140131/convert-a-string-representation-of-a-hex-dump-to-a-byte-array-using-java |
| 13 | int len = s.length(); |
| 14 | byte[] data = new byte[len / 2]; |
| 15 | for (int i = 0; i < len; i += 2) { |
| 16 | data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) |
| 17 | + Character.digit(s.charAt(i+1), 16)); |
| 18 | } |
| 19 | return data; |
| 20 | } |
| 21 | |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 22 | static final String X86_CODE64 = "55488b05b8130000"; |
danghvu | 7b08804 | 2013-11-27 10:58:31 -0600 | [diff] [blame] | 23 | static final String X86_CODE16 = "8d4c320801d881c6341200000523010000368b849123010000418d8439896700008d8789670000b4c6"; |
| 24 | static final String X86_CODE32 = "8d4c320801d881c6341200000523010000368b849123010000418d8439896700008d8789670000b4c6"; |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 25 | |
| 26 | public static Capstone cs; |
| 27 | |
| 28 | private static String hex(int i) { |
| 29 | return Integer.toString(i, 16); |
| 30 | } |
| 31 | |
| 32 | private static String hex(long i) { |
| 33 | return Long.toString(i, 16); |
| 34 | } |
| 35 | |
| 36 | private static String array2hex(byte[] arr) { |
| 37 | String ret = ""; |
| 38 | for (int i=0 ;i<arr.length; i++) |
| 39 | ret += String.format("0x%02x ", arr[i]); |
| 40 | return ret; |
| 41 | } |
| 42 | |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 43 | public static void print_ins_detail(Capstone.CsInsn ins) { |
| 44 | System.out.printf("0x%x:\t%s\t%s\n", ins.address, ins.mnemonic, ins.opStr); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 45 | |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 46 | X86.OpInfo operands = (X86.OpInfo) ins.operands; |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 47 | |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 48 | System.out.printf("\tPrefix: %s\n", array2hex(operands.prefix)); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 49 | |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 50 | if (operands.segment != X86_REG_INVALID) |
| 51 | System.out.println("\tSegment override: " + ins.regName(operands.segment)); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 52 | |
| 53 | |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 54 | System.out.printf("\tOpcode: %s\n", array2hex(operands.opcode)); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 55 | |
Nguyen Anh Quynh | e68ce0e | 2014-06-18 12:33:39 +0800 | [diff] [blame] | 56 | // print address size |
| 57 | System.out.printf("\taddr_size: %d\n", operands.addrSize); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 58 | |
| 59 | // print modRM byte |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 60 | System.out.printf("\tmodrm: 0x%x\n", operands.modrm); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 61 | |
| 62 | // print displacement value |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 63 | System.out.printf("\tdisp: 0x%x\n", operands.disp); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 64 | |
| 65 | // SIB is not available in 16-bit mode |
danghvu | f3ef696 | 2013-11-27 21:41:17 -0600 | [diff] [blame] | 66 | if ( (cs.mode & Capstone.CS_MODE_16) == 0) { |
danghvu | 35855b5 | 2013-11-26 22:42:30 -0600 | [diff] [blame] | 67 | // print SIB byte |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 68 | System.out.printf("\tsib: 0x%x\n", operands.sib); |
| 69 | if (operands.sib != 0) |
danghvu | f3ef696 | 2013-11-27 21:41:17 -0600 | [diff] [blame] | 70 | System.out.printf("\tsib_index: %s, sib_scale: %d, sib_base: %s\n", |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 71 | ins.regName(operands.sibIndex), operands.sibScale, ins.regName(operands.sibBase)); |
danghvu | f3ef696 | 2013-11-27 21:41:17 -0600 | [diff] [blame] | 72 | } |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 73 | |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 74 | int count = ins.opCount(X86_OP_IMM); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 75 | if (count > 0) { |
| 76 | System.out.printf("\timm_count: %d\n", count); |
| 77 | for (int i=0; i<count; i++) { |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 78 | int index = ins.opIndex(X86_OP_IMM, i + 1); |
| 79 | System.out.printf("\t\timms[%d]: 0x%x\n", i+1, (operands.op[index].value.imm)); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 80 | } |
| 81 | } |
| 82 | |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 83 | if (operands.op.length != 0) { |
| 84 | System.out.printf("\top_count: %d\n", operands.op.length); |
| 85 | for (int c=0; c<operands.op.length; c++) { |
| 86 | X86.Operand i = (X86.Operand) operands.op[c]; |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 87 | String imm = hex(i.value.imm); |
danghvu | 2f66688 | 2013-12-01 13:32:16 -0600 | [diff] [blame] | 88 | if (i.type == X86_OP_REG) |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 89 | System.out.printf("\t\toperands[%d].type: REG = %s\n", c, ins.regName(i.value.reg)); |
danghvu | 2f66688 | 2013-12-01 13:32:16 -0600 | [diff] [blame] | 90 | if (i.type == X86_OP_IMM) |
danghvu | 7b08804 | 2013-11-27 10:58:31 -0600 | [diff] [blame] | 91 | System.out.printf("\t\toperands[%d].type: IMM = 0x%x\n", c, i.value.imm); |
danghvu | 2f66688 | 2013-12-01 13:32:16 -0600 | [diff] [blame] | 92 | if (i.type == X86_OP_FP) |
danghvu | 35855b5 | 2013-11-26 22:42:30 -0600 | [diff] [blame] | 93 | System.out.printf("\t\toperands[%d].type: FP = %f\n", c, i.value.fp); |
danghvu | 2f66688 | 2013-12-01 13:32:16 -0600 | [diff] [blame] | 94 | if (i.type == X86_OP_MEM) { |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 95 | System.out.printf("\t\toperands[%d].type: MEM\n",c); |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 96 | String base = ins.regName(i.value.mem.base); |
| 97 | String index = ins.regName(i.value.mem.index); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 98 | if (base != null) |
| 99 | System.out.printf("\t\t\toperands[%d].mem.base: REG = %s\n", c, base); |
| 100 | if (index != null) |
| 101 | System.out.printf("\t\t\toperands[%d].mem.index: REG = %s\n", c, index); |
| 102 | if (i.value.mem.scale != 1) |
danghvu | 7b08804 | 2013-11-27 10:58:31 -0600 | [diff] [blame] | 103 | System.out.printf("\t\t\toperands[%d].mem.scale: %d\n", c, i.value.mem.scale); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 104 | if (i.value.mem.disp != 0) |
danghvu | 7b08804 | 2013-11-27 10:58:31 -0600 | [diff] [blame] | 105 | System.out.printf("\t\t\toperands[%d].mem.disp: 0x%x\n", c, i.value.mem.disp); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 106 | } |
Nguyen Anh Quynh | 83800cd | 2014-06-18 14:21:36 +0800 | [diff] [blame^] | 107 | |
| 108 | // Operand size is irrlevant for X86_OP_IMM operand |
Nguyen Anh Quynh | e68ce0e | 2014-06-18 12:33:39 +0800 | [diff] [blame] | 109 | if (i.type != X86_OP_IMM) { |
| 110 | System.out.printf("\t\toperands[%d].size: %d\n",c, i.size); |
| 111 | } |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 112 | } |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | public static void main(String argv[]) { |
| 117 | |
| 118 | final Test.platform[] all_tests = { |
| 119 | new Test.platform(Capstone.CS_ARCH_X86, Capstone.CS_MODE_16, hexString2Byte(X86_CODE16), "X86 16bit (Intel syntax)"), |
danghvu | 0500691 | 2013-12-05 19:33:38 -0600 | [diff] [blame] | 120 | new Test.platform(Capstone.CS_ARCH_X86, Capstone.CS_MODE_32, Capstone.CS_OPT_SYNTAX_ATT, hexString2Byte(X86_CODE32), "X86 32 (AT&T syntax)"), |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 121 | new Test.platform(Capstone.CS_ARCH_X86, Capstone.CS_MODE_32, hexString2Byte(X86_CODE32), "X86 32 (Intel syntax)"), |
| 122 | new Test.platform(Capstone.CS_ARCH_X86, Capstone.CS_MODE_64, hexString2Byte(X86_CODE64), "X86 64 (Intel syntax)"), |
| 123 | }; |
| 124 | |
| 125 | for (int i=0; i<all_tests.length; i++) { |
| 126 | Test.platform test = all_tests[i]; |
danghvu | f3ef696 | 2013-11-27 21:41:17 -0600 | [diff] [blame] | 127 | System.out.println(new String(new char[16]).replace("\0", "*")); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 128 | System.out.println("Platform: " + test.comment); |
danghvu | f3ef696 | 2013-11-27 21:41:17 -0600 | [diff] [blame] | 129 | System.out.println("Code: " + Test.stringToHex(test.code)); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 130 | System.out.println("Disasm:"); |
| 131 | |
| 132 | cs = new Capstone(test.arch, test.mode); |
Nguyen Anh Quynh | 6a1107c | 2014-01-07 23:47:18 +0800 | [diff] [blame] | 133 | cs.setDetail(Capstone.CS_OPT_ON); |
danghvu | 0500691 | 2013-12-05 19:33:38 -0600 | [diff] [blame] | 134 | if (test.syntax != 0) { |
| 135 | cs.setSyntax(test.syntax); |
| 136 | } |
danghvu | 4ef20d5 | 2013-12-16 23:25:57 -0600 | [diff] [blame] | 137 | Capstone.CsInsn[] all_ins = cs.disasm(test.code, 0x1000); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 138 | |
| 139 | for (int j = 0; j < all_ins.length; j++) { |
| 140 | print_ins_detail(all_ins[j]); |
| 141 | System.out.println(); |
| 142 | } |
danghvu | f3ef696 | 2013-11-27 21:41:17 -0600 | [diff] [blame] | 143 | |
| 144 | System.out.printf("0x%x:\n\n", all_ins[all_ins.length-1].address + all_ins[all_ins.length-1].size); |
danghvu | 6a6947f | 2013-11-26 22:28:41 -0600 | [diff] [blame] | 145 | } |
| 146 | } |
| 147 | |
| 148 | } |