| (* Capstone Disassembler Engine |
| * By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> *) |
| |
| open Printf |
| open Capstone |
| open X86 |
| |
| |
| let print_string_hex comment str = |
| printf "%s" comment; |
| for i = 0 to (Array.length str - 1) do |
| printf "0x%02x " str.(i) |
| done; |
| printf "\n" |
| |
| |
| let _X86_CODE16 = "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00";; |
| let _X86_CODE32 = "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00";; |
| let _X86_CODE64 = "\x55\x48\x8b\x05\xb8\x13\x00\x00";; |
| |
| |
| let all_tests = [ |
| (CS_ARCH_X86, [CS_MODE_16], _X86_CODE16, "X86 16bit (Intel syntax)", 0); |
| (CS_ARCH_X86, [CS_MODE_32], _X86_CODE32, "X86 32bit (ATT syntax)", 0); |
| (CS_ARCH_X86, [CS_MODE_32], _X86_CODE32, "X86 32 (Intel syntax)", 0); |
| (CS_ARCH_X86, [CS_MODE_64], _X86_CODE64, "X86 64 (Intel syntax)", 0); |
| ];; |
| |
| let print_op csh i op = |
| ( match op with |
| | X86_OP_INVALID _ -> (); (* this would never happens *) |
| | X86_OP_REG reg -> printf "\t\top[%d]: REG = %s\n" i (cs_reg_name csh reg); |
| | X86_OP_IMM imm -> printf "\t\top[%d]: IMM = 0x%x\n" i imm; |
| | X86_OP_FP fp -> printf "\t\top[%d]: FP = %f\n" i fp; |
| | X86_OP_MEM mem -> ( printf "\t\top[%d]: MEM\n" i; |
| if mem.base != 0 then |
| printf "\t\t\toperands[%u].mem.base: REG = %s\n" i (cs_reg_name csh mem.base); |
| if mem.index != 0 then |
| printf "\t\t\toperands[%u].mem.index: REG = %s\n" i (cs_reg_name csh mem.index); |
| if mem.scale != 1 then |
| printf "\t\t\toperands[%u].mem.scale: %d\n" i mem.scale; |
| if mem.displ != 0 then |
| printf "\t\t\toperands[%u].mem.disp: 0x%x\n" i mem.displ; |
| ); |
| ); |
| ();; |
| |
| |
| let print_detail mode csh arch = |
| match arch with |
| | CS_INFO_ARM64 _ -> (); |
| | CS_INFO_ARM _ -> (); |
| | CS_INFO_MIPS _ -> (); |
| | CS_INFO_PPC _ -> (); |
| | CS_INFO_SPARC _ -> (); |
| | CS_INFO_SYSZ _ -> (); |
| | CS_INFO_XCORE _ -> (); |
| | CS_INFO_X86 x86 -> |
| print_string_hex "\tPrefix: " x86.prefix; |
| |
| (* print segment override (if applicable) *) |
| if x86.segment != _X86_REG_INVALID then |
| printf "\tsegment = %s\n" (cs_reg_name csh x86.segment); |
| |
| |
| (* print instruction's opcode *) |
| print_string_hex "\tOpcode: " x86.opcode; |
| |
| (* print operand's size, address size, displacement size & immediate size *) |
| printf "\top_size: %u, addr_size: %u, disp_size: %u, imm_size: %u\n" |
| x86.op_size x86.addr_size |
| x86.disp_size x86.imm_size; |
| |
| (* print modRM byte *) |
| printf "\tmodrm: 0x%x\n" x86.modrm; |
| |
| (* print displacement value *) |
| if x86.disp != 0 then |
| printf "\tdisp: 0x%x\n" x86.disp; |
| |
| (* SIB is invalid in 16-bit mode *) |
| if not (List.mem CS_MODE_16 mode) then ( |
| (* print SIB byte *) |
| printf "\tsib: 0x%x\n" x86.sib; |
| |
| (* print sib index/scale/base (if applicable) *) |
| if x86.sib_index != _X86_REG_INVALID then |
| printf "\tsib_index: %s, sib_scale: %u, sib_base: %s\n" |
| (cs_reg_name csh x86.sib_index) |
| x86.sib_scale |
| (cs_reg_name csh x86.sib_base); |
| ); |
| |
| (* print all operands info (type & value) *) |
| if (Array.length x86.operands) > 0 then ( |
| printf "\top_count: %d\n" (Array.length x86.operands); |
| Array.iteri (print_op csh) x86.operands; |
| ); |
| printf "\n";; |
| |
| |
| let print_insn mode insn = |
| printf "0x%x\t%s\t%s\n" insn.address insn.mnemonic insn.op_str; |
| let csh = cs_open CS_ARCH_X86 mode in |
| match csh with |
| | None -> () |
| | Some v -> print_detail mode v insn.arch |
| |
| |
| let print_arch x = |
| let (arch, mode, code, comment, syntax) = x in |
| let insns = cs_disasm_quick arch mode code 0x1000L 0L in |
| printf "*************\n"; |
| printf "Platform: %s\n" comment; |
| List.iter (print_insn mode) insns;; |
| |
| |
| |
| List.iter print_arch all_tests;; |
| |
| |
| (* all below code use OO class of Capstone *) |
| let print_insn_cls mode csh insn = |
| printf "0x%x\t%s\t%s\n" insn#address insn#mnemonic insn#op_str; |
| print_string_hex "\tbytes: " insn#bytes; |
| print_detail mode csh insn#arch;; |
| |
| |
| let print_arch_cls x = |
| let (arch, mode, code, comment, syntax) = x in ( |
| let d = new cs arch mode in |
| let insns = d#disasm code 0x1000L 0L in |
| printf "*************\n"; |
| printf "Platform: %s\n" comment; |
| List.iter (print_insn_cls mode d#get_csh) insns; |
| );; |
| |
| |
| List.iter print_arch_cls all_tests;; |
| |