1 //===- lib/System/Disassembler.cpp ------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the necessary glue to call external disassembler
13 //===----------------------------------------------------------------------===//
15 #include "llvm/Config/config.h"
16 #include "llvm/System/Disassembler.h"
29 bool llvm::sys::hasDisassembler(void)
31 #if defined (__i386__) || defined (__amd64__) || defined (__x86_64__)
32 // We have option to enable udis86 library.
43 std::string llvm::sys::disassembleBuffer(uint8_t* start, size_t length,
45 std::stringstream res;
47 #if defined (__i386__) || defined (__amd64__) || defined (__x86_64__)
49 # if defined(__i386__)
59 ud_set_input_buffer(&ud_obj, start, length);
60 ud_set_mode(&ud_obj, bits);
61 ud_set_pc(&ud_obj, pc);
62 ud_set_syntax(&ud_obj, UD_SYN_ATT);
64 res << std::setbase(16)
67 while (ud_disassemble(&ud_obj)) {
68 res << ud_insn_off(&ud_obj) << ":\t" << ud_insn_asm(&ud_obj) << "\n";
71 res << "No disassembler available. See configure help for options.\n";
75 res << "No disassembler available. See configure help for options.\n";