1 // Capstone Java binding 2 // By Nguyen Anh Quynh & Dang Hoang Vu, 2013 3 4 import capstone.Capstone; 5 import capstone.Mips; 6 7 import static capstone.Mips_const.*; 8 9 public class TestMips { 10 hexString2Byte(String s)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 MIPS_CODE = "0C100097000000002402000c8fa2000034213456"; 23 static final String MIPS_CODE2 = "56342134c2170100"; 24 25 public static Capstone cs; 26 hex(int i)27 private static String hex(int i) { 28 return Integer.toString(i, 16); 29 } 30 hex(long i)31 private static String hex(long i) { 32 return Long.toString(i, 16); 33 } 34 print_ins_detail(Capstone.CsInsn ins)35 public static void print_ins_detail(Capstone.CsInsn ins) { 36 System.out.printf("0x%x:\t%s\t%s\n", ins.address, ins.mnemonic, ins.opStr); 37 38 Mips.OpInfo operands = (Mips.OpInfo) ins.operands; 39 40 if (operands.op.length != 0) { 41 System.out.printf("\top_count: %d\n", operands.op.length); 42 for (int c=0; c<operands.op.length; c++) { 43 Mips.Operand i = (Mips.Operand) operands.op[c]; 44 String imm = hex(i.value.imm); 45 if (i.type == MIPS_OP_REG) 46 System.out.printf("\t\toperands[%d].type: REG = %s\n", c, ins.regName(i.value.reg)); 47 if (i.type == MIPS_OP_IMM) 48 System.out.printf("\t\toperands[%d].type: IMM = 0x%x\n", c, i.value.imm); 49 if (i.type == MIPS_OP_MEM) { 50 System.out.printf("\t\toperands[%d].type: MEM\n",c); 51 String base = ins.regName(i.value.mem.base); 52 if (base != null) 53 System.out.printf("\t\t\toperands[%d].mem.base: REG = %s\n", c, base); 54 if (i.value.mem.disp != 0) 55 System.out.printf("\t\t\toperands[%d].mem.disp: %s\n", c, hex(i.value.mem.disp)); 56 } 57 } 58 } 59 } 60 main(String argv[])61 public static void main(String argv[]) { 62 63 final Test.platform[] all_tests = { 64 new Test.platform(Capstone.CS_ARCH_MIPS, Capstone.CS_MODE_MIPS32 + Capstone.CS_MODE_BIG_ENDIAN, hexString2Byte(MIPS_CODE), "MIPS-32 (Big-endian)"), 65 new Test.platform(Capstone.CS_ARCH_MIPS, Capstone.CS_MODE_MIPS64 + Capstone.CS_MODE_LITTLE_ENDIAN, hexString2Byte(MIPS_CODE2), "MIPS-64-EL (Little-endian)"), 66 }; 67 68 for (int i=0; i<all_tests.length; i++) { 69 Test.platform test = all_tests[i]; 70 System.out.println(new String(new char[16]).replace("\0", "*")); 71 System.out.println("Platform: " + test.comment); 72 System.out.println("Code: " + Test.stringToHex(test.code)); 73 System.out.println("Disasm:"); 74 75 cs = new Capstone(test.arch, test.mode); 76 cs.setDetail(Capstone.CS_OPT_ON); 77 Capstone.CsInsn[] all_ins = cs.disasm(test.code, 0x1000); 78 79 for (int j = 0; j < all_ins.length; j++) { 80 print_ins_detail(all_ins[j]); 81 System.out.println(); 82 } 83 84 System.out.printf("0x%x:\n\n", all_ins[all_ins.length-1].address + all_ins[all_ins.length-1].size); 85 86 // Close when done 87 cs.close(); 88 } 89 } 90 91 } 92