1 // Capstone Java binding 2 // By Nguyen Anh Quynh & Dang Hoang Vu, 2013 3 4 import capstone.Capstone; 5 import capstone.Arm64; 6 7 import static capstone.Arm64_const.*; 8 9 public class TestArm64 { 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 22 static final String ARM64_CODE = "090038d5bf4000d50c0513d52050020e20e43d0f0018a05fa200ae9e9f3703d5bf3303d5df3f03d5217c029b217c00530040214be10b40b9200481da2008028b105be83c"; 23 24 public static Capstone cs; 25 26 private static String hex(int i) { 27 return Integer.toString(i, 16); 28 } 29 30 private static String hex(long i) { 31 return Long.toString(i, 16); 32 } 33 34 public static void print_ins_detail(Capstone.CsInsn ins) { 35 System.out.printf("0x%x:\t%s\t%s\n", ins.address, ins.mnemonic, ins.opStr); 36 37 Arm64.OpInfo operands = (Arm64.OpInfo) ins.operands; 38 39 if (operands.op.length != 0) { 40 System.out.printf("\top_count: %d\n", operands.op.length); 41 for (int c=0; c<operands.op.length; c++) { 42 Arm64.Operand i = (Arm64.Operand) operands.op[c]; 43 String imm = hex(i.value.imm); 44 if (i.type == ARM64_OP_REG) 45 System.out.printf("\t\toperands[%d].type: REG = %s\n", c, ins.regName(i.value.reg)); 46 if (i.type == ARM64_OP_REG_MRS) 47 System.out.printf("\t\toperands[%d].type: REG_MRS = 0x%x\n", c, i.value.reg); 48 if (i.type == ARM64_OP_REG_MSR) 49 System.out.printf("\t\toperands[%d].type: REG_MSR = 0x%x\n", c, i.value.reg); 50 if (i.type == ARM64_OP_PSTATE) 51 System.out.printf("\t\toperands[%d].type: PSTATE = 0x%x\n", c, i.value.imm); 52 if (i.type == ARM64_OP_BARRIER) 53 System.out.printf("\t\toperands[%d].type: BARRIER = 0x%x\n", c, i.value.imm); 54 55 if (i.type == ARM64_OP_IMM) 56 System.out.printf("\t\toperands[%d].type: IMM = 0x%x\n", c, i.value.imm); 57 if (i.type == ARM64_OP_CIMM) 58 System.out.printf("\t\toperands[%d].type: C-IMM = %d\n", c, i.value.imm); 59 if (i.type == ARM64_OP_FP) 60 System.out.printf("\t\toperands[%d].type: FP = %f\n", c, i.value.fp); 61 if (i.type == ARM64_OP_MEM) { 62 System.out.printf("\t\toperands[%d].type: MEM\n",c); 63 String base = ins.regName(i.value.mem.base); 64 String index = ins.regName(i.value.mem.index); 65 if (base != null) 66 System.out.printf("\t\t\toperands[%d].mem.base: REG = %s\n", c, base); 67 if (index != null) 68 System.out.printf("\t\t\toperands[%d].mem.index: REG = %s\n", c, index); 69 if (i.value.mem.disp != 0) 70 System.out.printf("\t\t\toperands[%d].mem.disp: 0x%x\n", c, i.value.mem.disp); 71 } 72 if (i.shift.type != ARM64_SFT_INVALID && i.shift.value > 0) 73 System.out.printf("\t\t\tShift: type = %d, value = %d\n", i.shift.type, i.shift.value); 74 if (i.ext != ARM64_EXT_INVALID) 75 System.out.printf("\t\t\tExt: %d\n", i.ext); 76 if (i.vas != ARM64_VAS_INVALID) 77 System.out.printf("\t\t\tVector Arrangement Specifier: 0x%x\n", i.vas); 78 if (i.vess != ARM64_VESS_INVALID) 79 System.out.printf("\t\t\tVector Element Size Specifier: %d\n", i.vess); 80 if (i.vector_index != -1) 81 System.out.printf("\t\t\tVector Index: %d\n", i.vector_index); 82 83 } 84 } 85 86 if (operands.writeback) 87 System.out.println("\tWrite-back: True"); 88 89 if (operands.updateFlags) 90 System.out.println("\tUpdate-flags: True"); 91 92 if (operands.cc != ARM64_CC_AL && operands.cc != ARM64_CC_INVALID) 93 System.out.printf("\tCode-condition: %d\n", operands.cc); 94 95 } 96 97 public static void main(String argv[]) { 98 99 final Test.platform[] all_tests = { 100 new Test.platform(Capstone.CS_ARCH_ARM64, Capstone.CS_MODE_ARM, hexString2Byte(ARM64_CODE), "ARM-64"), 101 }; 102 103 for (int i=0; i<all_tests.length; i++) { 104 Test.platform test = all_tests[i]; 105 System.out.println(new String(new char[16]).replace("\0", "*")); 106 System.out.println("Platform: " + test.comment); 107 System.out.println("Code: " + Test.stringToHex(test.code)); 108 System.out.println("Disasm:"); 109 110 cs = new Capstone(test.arch, test.mode); 111 cs.setDetail(Capstone.CS_OPT_ON); 112 Capstone.CsInsn[] all_ins = cs.disasm(test.code, 0x2c); 113 114 for (int j = 0; j < all_ins.length; j++) { 115 print_ins_detail(all_ins[j]); 116 System.out.println(); 117 } 118 119 System.out.printf("0x%x: \n\n", all_ins[all_ins.length-1].address + all_ins[all_ins.length-1].size); 120 121 // Close when done 122 cs.close(); 123 } 124 } 125 126 } 127
