1 //===- lib/Support/Disassembler.cpp -----------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by Anton Korobeynikov and is distributed under the
6 // University of Illinois Open Source 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/Support/Disassembler.h"
29 std::string llvm::disassembleBuffer(uint8_t* start, size_t length,
30 Disassembler::Type type, uint64_t pc) {
31 std::stringstream res;
33 if (type == Disassembler::X86_32 || type == Disassembler::X86_64) {
38 ud_set_input_buffer(&ud_obj, start, length);
39 ud_set_mode(&ud_obj, (type == Disassembler::X86_32 ? 32 : 64));
40 ud_set_pc(&ud_obj, pc);
41 ud_set_syntax(&ud_obj, UD_SYN_ATT);
43 res << std::setbase(16)
44 << std::setw((type == Disassembler::X86_32 ? 8 : 16));
46 while (ud_disassemble(&ud_obj)) {
47 res << ud_insn_off(&ud_obj) << ":\t" << ud_insn_asm(&ud_obj) << "\n";