Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame^] | 1 | (* Capstone Disassembler Engine |
| 2 | * By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> *) |
| 3 | |
| 4 | open Arm |
| 5 | open Arm64 |
| 6 | open Mips |
| 7 | open X86 |
| 8 | open Printf (* debug *) |
| 9 | |
| 10 | type arch = |
| 11 | | CS_ARCH_ARM |
| 12 | | CS_ARCH_ARM64 |
| 13 | | CS_ARCH_MIPS |
| 14 | | CS_ARCH_X86 |
| 15 | |
| 16 | type mode = |
| 17 | | CS_MODE_LITTLE_ENDIAN (* little-endian mode (default mode) *) |
| 18 | | CS_MODE_SYNTAX_INTEL (* Intel X86 asm syntax (default for CS_ARCH_X86) *) |
| 19 | | CS_MODE_ARM (* ARM mode *) |
| 20 | | CS_MODE_16 (* 16-bit mode (for X86, Mips) *) |
| 21 | | CS_MODE_32 (* 32-bit mode (for X86, Mips) *) |
| 22 | | CS_MODE_64 (* 64-bit mode (for X86, Mips) *) |
| 23 | | CS_MODE_THUMB (* ARM's Thumb mode, including Thumb-2 *) |
| 24 | | CS_MODE_MICRO (* MicroMips mode (MIPS architecture) *) |
| 25 | | CS_MODE_N64 (* Nintendo-64 mode (MIPS architecture) *) |
| 26 | | CS_MODE_SYNTAX_ATT (* X86 ATT asm syntax (for CS_ARCH_X86 only) *) |
| 27 | | CS_MODE_BIG_ENDIAN (* big-endian mode *) |
| 28 | |
| 29 | type cs_arch = |
| 30 | | CS_INFO_ARM of cs_arm |
| 31 | | CS_INFO_ARM64 of cs_arm64 |
| 32 | | CS_INFO_MIPS of cs_mips |
| 33 | | CS_INFO_X86 of cs_x86 |
| 34 | |
| 35 | type cs_insn0 = { |
| 36 | id: int; |
| 37 | address: int; |
| 38 | size: int; |
| 39 | mnemonic: string; |
| 40 | op_str: string; |
| 41 | regs_read: int array; |
| 42 | regs_write: int array; |
| 43 | groups: int array; |
| 44 | arch: cs_arch; |
| 45 | } |
| 46 | |
| 47 | external cs_open: arch -> mode list -> Int64.t option = "ocaml_cs_open" |
| 48 | external cs_disasm_quick: arch -> mode list -> string -> Int64.t -> Int64.t -> cs_insn0 list = "ocaml_cs_disasm_quick" |
| 49 | external cs_disasm_dyn: arch -> Int64.t -> string -> Int64.t -> Int64.t -> cs_insn0 list = "ocaml_cs_disasm_dyn" |
| 50 | external cs_reg_name: arch -> int -> string = "cs_register_name" |
| 51 | external cs_insn_name: Int64.t -> int -> string = "cs_instruction_name" |
| 52 | |
| 53 | class cs_insn c a = |
| 54 | let csh = c in |
| 55 | let (id, address, size, mnemonic, op_str, regs_read, regs_write, groups, arch) = |
| 56 | (a.id, a.address, a.size, a.mnemonic, a.op_str, a.regs_read, a.regs_write, |
| 57 | a.groups, a.arch) in |
| 58 | object |
| 59 | method id = id; |
| 60 | method address = address; |
| 61 | method size = size; |
| 62 | method mnemonic = mnemonic; |
| 63 | method op_str = op_str; |
| 64 | method regs_read = regs_read; |
| 65 | method regs_write = regs_write; |
| 66 | method groups = groups; |
| 67 | method arch = arch; |
| 68 | method insn_name = cs_insn_name csh id; |
| 69 | end;; |
| 70 | |
| 71 | let cs_insn_group handle insn group_id = |
| 72 | List.exists (fun g -> g == group_id) (Array.to_list insn.groups);; |
| 73 | |
| 74 | let cs_reg_read handle insn reg_id = |
| 75 | List.exists (fun g -> g == reg_id) (Array.to_list insn.regs_read);; |
| 76 | |
| 77 | let cs_reg_write handle insn reg_id = |
| 78 | List.exists (fun g -> g == reg_id) (Array.to_list insn.regs_write);; |
| 79 | |
| 80 | |
| 81 | class cs a m = |
| 82 | let mode = m and arch = a in |
| 83 | let csh = cs_open arch mode in |
| 84 | object |
| 85 | method disasm code offset count = |
| 86 | match csh with |
| 87 | | None -> []; |
| 88 | | Some v -> |
| 89 | let insns = (cs_disasm_dyn arch v code offset count) in |
| 90 | List.map (fun x -> new cs_insn v x) insns; |
| 91 | |
| 92 | end;; |
| 93 | |