| // Capstone Java binding |
| // By Nguyen Anh Quynh & Dang Hoang Vu, 2013 |
| |
| import capstone.Capstone; |
| import capstone.Arm; |
| |
| import static capstone.Arm_const.*; |
| |
| public class TestArm { |
| |
| static byte[] hexString2Byte(String s) { |
| // from http://stackoverflow.com/questions/140131/convert-a-string-representation-of-a-hex-dump-to-a-byte-array-using-java |
| int len = s.length(); |
| byte[] data = new byte[len / 2]; |
| for (int i = 0; i < len; i += 2) { |
| data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) |
| + Character.digit(s.charAt(i+1), 16)); |
| } |
| return data; |
| } |
| |
| static final String ARM_CODE = "EDFFFFEB04e02de500000000e08322e5f102030e0000a0e30230c1e7000053e3000201f10540d0e8"; |
| static final String ARM_CODE2 = "d1e800f0f02404071f3cf2c000004ff00001466c"; |
| static final String THUMB_CODE2 = "4ff00001bde80088d1e800f018bfadbff3ff0b0c86f3008980f3008c4ffa99f6d0ffa201"; |
| static final String THUMB_CODE = "7047eb4683b0c9681fb130bfaff32084"; |
| |
| public static Capstone cs; |
| |
| private static String hex(int i) { |
| return Integer.toString(i, 16); |
| } |
| |
| private static String hex(long i) { |
| return Long.toString(i, 16); |
| } |
| |
| public static void print_ins_detail(Capstone.CsInsn ins) { |
| System.out.printf("0x%x:\t%s\t%s\n", ins.address, ins.mnemonic, ins.opStr); |
| |
| Arm.OpInfo operands = (Arm.OpInfo) ins.operands; |
| |
| if (operands.op.length != 0) { |
| System.out.printf("\top_count: %d\n", operands.op.length); |
| for (int c=0; c<operands.op.length; c++) { |
| Arm.Operand i = (Arm.Operand) operands.op[c]; |
| String imm = hex(i.value.imm); |
| if (i.type == ARM_OP_SYSREG) |
| System.out.printf("\t\toperands[%d].type: SYSREG = %d\n", c, i.value.reg); |
| if (i.type == ARM_OP_REG) |
| System.out.printf("\t\toperands[%d].type: REG = %s\n", c, ins.regName(i.value.reg)); |
| if (i.type == ARM_OP_IMM) |
| System.out.printf("\t\toperands[%d].type: IMM = 0x%x\n", c, i.value.imm); |
| if (i.type == ARM_OP_PIMM) |
| System.out.printf("\t\toperands[%d].type: P-IMM = %d\n", c, i.value.imm); |
| if (i.type == ARM_OP_CIMM) |
| System.out.printf("\t\toperands[%d].type: C-IMM = %d\n", c, i.value.imm); |
| if (i.type == ARM_OP_SETEND) |
| System.out.printf("\t\toperands[%d].type: SETEND = %s\n", c, i.value.setend == ARM_SETEND_BE? "be" : "le"); |
| if (i.type == ARM_OP_FP) |
| System.out.printf("\t\toperands[%d].type: FP = %f\n", c, i.value.fp); |
| if (i.type == ARM_OP_MEM) { |
| System.out.printf("\t\toperands[%d].type: MEM\n",c); |
| String base = ins.regName(i.value.mem.base); |
| String index = ins.regName(i.value.mem.index); |
| if (base != null) |
| System.out.printf("\t\t\toperands[%d].mem.base: REG = %s\n", c, base); |
| if (index != null) |
| System.out.printf("\t\t\toperands[%d].mem.index: REG = %s\n", c, index); |
| if (i.value.mem.scale != 1) |
| System.out.printf("\t\t\toperands[%d].mem.scale: %d\n", c, (i.value.mem.scale)); |
| if (i.value.mem.disp != 0) |
| System.out.printf("\t\t\toperands[%d].mem.disp: 0x%x\n", c, (i.value.mem.disp)); |
| if (i.value.mem.lshift != 0) |
| System.out.printf("\t\t\toperands[%d].mem.lshift: 0x%x\n", c, (i.value.mem.lshift)); |
| } |
| if (i.vector_index > 0) |
| System.out.printf("\t\t\toperands[%d].vector_index = %d\n", c, (i.vector_index)); |
| if (i.shift.type != ARM_SFT_INVALID && i.shift.value > 0) |
| System.out.printf("\t\t\tShift: %d = %d\n", i.shift.type, i.shift.value); |
| if (i.subtracted) |
| System.out.printf("\t\t\toperands[%d].subtracted = True\n", c); |
| } |
| } |
| if (operands.writeback) |
| System.out.println("\tWrite-back: True"); |
| |
| if (operands.updateFlags) |
| System.out.println("\tUpdate-flags: True"); |
| |
| if (operands.cc != ARM_CC_AL && operands.cc != ARM_CC_INVALID) |
| System.out.printf("\tCode condition: %d\n", operands.cc); |
| |
| if (operands.cpsMode > 0) |
| System.out.printf("\tCPSI-mode: %d\n", operands.cpsMode); |
| |
| if (operands.cpsFlag > 0) |
| System.out.printf("\tCPSI-flag: %d\n", operands.cpsFlag); |
| |
| if (operands.vectorData > 0) |
| System.out.printf("\tVector-data: %d\n", operands.vectorData); |
| |
| if (operands.vectorSize > 0) |
| System.out.printf("\tVector-size: %d\n", operands.vectorSize); |
| |
| if (operands.usermode) |
| System.out.printf("\tUser-mode: True\n"); |
| } |
| |
| public static void main(String argv[]) { |
| |
| final TestBasic.platform[] all_tests = { |
| new TestBasic.platform(Capstone.CS_ARCH_ARM, Capstone.CS_MODE_ARM, hexString2Byte(ARM_CODE), "ARM"), |
| new TestBasic.platform(Capstone.CS_ARCH_ARM, Capstone.CS_MODE_THUMB, hexString2Byte(THUMB_CODE), "Thumb"), |
| new TestBasic.platform(Capstone.CS_ARCH_ARM, Capstone.CS_MODE_THUMB, hexString2Byte(ARM_CODE2), "Thumb-mixed"), |
| new TestBasic.platform(Capstone.CS_ARCH_ARM, Capstone.CS_MODE_THUMB, Capstone.CS_OPT_SYNTAX_NOREGNAME, hexString2Byte(THUMB_CODE2), "Thumb-2 & register named with numbers"), |
| }; |
| |
| for (int i=0; i<all_tests.length; i++) { |
| TestBasic.platform test = all_tests[i]; |
| System.out.println(new String(new char[16]).replace("\0", "*")); |
| System.out.println("Platform: " + test.comment); |
| System.out.println("Code: " + TestBasic.stringToHex(test.code)); |
| System.out.println("Disasm:"); |
| |
| cs = new Capstone(test.arch, test.mode); |
| cs.setDetail(Capstone.CS_OPT_ON); |
| if (test.syntax != 0) |
| cs.setSyntax(test.syntax); |
| Capstone.CsInsn[] all_ins = cs.disasm(test.code, 0x1000); |
| |
| for (int j = 0; j < all_ins.length; j++) { |
| print_ins_detail(all_ins[j]); |
| System.out.println(); |
| } |
| System.out.printf("0x%x:\n\n", (all_ins[all_ins.length-1].address + all_ins[all_ins.length-1].size)); |
| |
| // Close when done |
| cs.close(); |
| } |
| } |
| |
| } |