1 (* Capstone Disassembly Engine 2 * By Nguyen Anh Quynh <aquynh (a] gmail.com>, 2013-2014 *) 3 4 open Printf 5 open Capstone 6 open Arm64 7 open Arm64_const 8 9 10 let print_string_hex comment str = 11 printf "%s" comment; 12 for i = 0 to (Array.length str - 1) do 13 printf "0x%02x " str.(i) 14 done; 15 printf "\n" 16 17 18 let _ARM64_CODE = "\x21\x7c\x02\x9b\x21\x7c\x00\x53\x00\x40\x21\x4b\xe1\x0b\x40\xb9\x20\x04\x81\xda\x20\x08\x02\x8b";; 19 20 let all_tests = [ 21 (CS_ARCH_ARM64, [CS_MODE_ARM], _ARM64_CODE, "ARM-64"); 22 ];; 23 24 let print_op handle i op = 25 ( match op.value with 26 | ARM64_OP_INVALID _ -> (); (* this would never happens *) 27 | ARM64_OP_REG reg -> printf "\t\top[%d]: REG = %s\n" i (cs_reg_name handle reg); 28 | ARM64_OP_CIMM imm -> printf "\t\top[%d]: C-IMM = %u\n" i imm; 29 | ARM64_OP_IMM imm -> printf "\t\top[%d]: IMM = 0x%x\n" i imm; 30 | ARM64_OP_FP fp -> printf "\t\top[%d]: FP = %f\n" i fp; 31 | ARM64_OP_MEM mem -> ( printf "\t\top[%d]: MEM\n" i; 32 if mem.base != 0 then 33 printf "\t\t\toperands[%u].mem.base: REG = %s\n" i (cs_reg_name handle mem.base); 34 if mem.index != 0 then 35 printf "\t\t\toperands[%u].mem.index: REG = %s\n" i (cs_reg_name handle mem.index); 36 if mem.disp != 0 then 37 printf "\t\t\toperands[%u].mem.disp: 0x%x\n" i mem.disp; 38 ); 39 | ARM64_OP_REG_MRS reg -> printf "\t\top[%d]: REG_MRS = %u\n" i reg; 40 | ARM64_OP_REG_MSR reg -> printf "\t\top[%d]: REG_MSR = %u\n" i reg; 41 | ARM64_OP_PSTATE v -> printf "\t\top[%d]: PSTATE = %u\n" i v; 42 | ARM64_OP_SYS v -> printf "\t\top[%d]: SYS = %u\n" i v; 43 | ARM64_OP_PREFETCH v -> printf "\t\top[%d]: PREFETCH = %u\n" i v; 44 | ARM64_OP_BARRIER v -> printf "\t\top[%d]: BARRIER = %u\n" i v; 45 ); 46 47 if op.shift.shift_type != _ARM64_SFT_INVALID && op.shift.shift_value > 0 then 48 printf "\t\t\tShift: type = %u, value = %u\n" 49 op.shift.shift_type op.shift.shift_value; 50 if op.ext != _ARM64_EXT_INVALID then 51 printf "\t\t\tExt: %u\n" op.ext; 52 53 ();; 54 55 56 let print_detail handle insn = 57 match insn.arch with 58 | CS_INFO_ARM64 arm64 -> ( 59 if arm64.cc != _ARM64_CC_AL && arm64.cc != _ARM64_CC_INVALID then 60 printf "\tCode condition: %u\n" arm64.cc; 61 62 if arm64.update_flags then 63 printf "\tUpdate-flags: True\n"; 64 65 if arm64.writeback then 66 printf "\tWriteback: True\n"; 67 68 (* print all operands info (type & value) *) 69 if (Array.length arm64.operands) > 0 then ( 70 printf "\top_count: %d\n" (Array.length arm64.operands); 71 Array.iteri (print_op handle) arm64.operands; 72 ); 73 printf "\n"; 74 ) 75 | _ -> (); 76 ;; 77 78 79 let print_insn handle insn = 80 printf "0x%x\t%s\t%s\n" insn.address insn.mnemonic insn.op_str; 81 print_detail handle insn 82 83 84 let print_arch x = 85 let (arch, mode, code, comment) = x in 86 let handle = cs_open arch mode in 87 let err = cs_option handle CS_OPT_DETAIL _CS_OPT_ON in 88 match err with 89 | _ -> (); 90 let insns = cs_disasm handle code 0x1000L 0L in 91 printf "*************\n"; 92 printf "Platform: %s\n" comment; 93 List.iter (print_insn handle) insns; 94 match cs_close handle with 95 | 0 -> (); 96 | _ -> printf "Failed to close handle"; 97 ;; 98 99 100 101 List.iter print_arch all_tests;; 102
