1 //===- Binary.cpp - A generic binary file -----------------------*- 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 defines the Binary class.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/Object/Binary.h"
15 #include "llvm/ADT/StringRef.h"
16 #include "llvm/Support/FileSystem.h"
17 #include "llvm/Support/MemoryBuffer.h"
18 #include "llvm/Support/Path.h"
20 // Include headers for createBinary.
21 #include "llvm/Object/Archive.h"
22 #include "llvm/Object/MachOUniversal.h"
23 #include "llvm/Object/ObjectFile.h"
26 using namespace object;
30 Binary::Binary(unsigned int Type, std::unique_ptr<MemoryBuffer> Source)
31 : TypeID(Type), Data(std::move(Source)) {}
33 StringRef Binary::getData() const {
34 return Data->getBuffer();
37 StringRef Binary::getFileName() const {
38 return Data->getBufferIdentifier();
41 ErrorOr<Binary *> object::createBinary(std::unique_ptr<MemoryBuffer> Buffer,
42 LLVMContext *Context) {
43 sys::fs::file_magic Type = sys::fs::identify_magic(Buffer->getBuffer());
46 case sys::fs::file_magic::archive:
47 return Archive::create(std::move(Buffer));
48 case sys::fs::file_magic::elf_relocatable:
49 case sys::fs::file_magic::elf_executable:
50 case sys::fs::file_magic::elf_shared_object:
51 case sys::fs::file_magic::elf_core:
52 case sys::fs::file_magic::macho_object:
53 case sys::fs::file_magic::macho_executable:
54 case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
55 case sys::fs::file_magic::macho_core:
56 case sys::fs::file_magic::macho_preload_executable:
57 case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
58 case sys::fs::file_magic::macho_dynamic_linker:
59 case sys::fs::file_magic::macho_bundle:
60 case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
61 case sys::fs::file_magic::macho_dsym_companion:
62 case sys::fs::file_magic::coff_object:
63 case sys::fs::file_magic::coff_import_library:
64 case sys::fs::file_magic::pecoff_executable:
65 case sys::fs::file_magic::bitcode:
66 return ObjectFile::createSymbolicFile(Buffer, Type, Context);
67 case sys::fs::file_magic::macho_universal_binary:
68 return MachOUniversalBinary::create(std::move(Buffer));
69 case sys::fs::file_magic::unknown:
70 case sys::fs::file_magic::windows_resource:
71 // Unrecognized object file format.
72 return object_error::invalid_file_type;
74 llvm_unreachable("Unexpected Binary File Type");
77 ErrorOr<Binary *> object::createBinary(StringRef Path) {
78 ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
79 MemoryBuffer::getFileOrSTDIN(Path);
80 if (std::error_code EC = FileOrErr.getError())
82 return createBinary(std::move(*FileOrErr));