1 //===- SymbolicFile.cpp - Interface that only provides symbols ------------===//
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 a file format independent SymbolicFile class.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/Object/SymbolicFile.h"
15 #include "llvm/ADT/StringRef.h"
16 #include "llvm/Object/COFFImportFile.h"
17 #include "llvm/Object/Error.h"
18 #include "llvm/Object/IRObjectFile.h"
19 #include "llvm/Object/ObjectFile.h"
20 #include "llvm/Support/Compiler.h"
21 #include "llvm/Support/Error.h"
22 #include "llvm/Support/ErrorHandling.h"
23 #include "llvm/Support/ErrorOr.h"
24 #include "llvm/Support/FileSystem.h"
25 #include "llvm/Support/MemoryBuffer.h"
30 using namespace object;
32 SymbolicFile::SymbolicFile(unsigned int Type, MemoryBufferRef Source)
33 : Binary(Type, Source) {}
35 SymbolicFile::~SymbolicFile() = default;
37 Expected<std::unique_ptr<SymbolicFile>> SymbolicFile::createSymbolicFile(
38 MemoryBufferRef Object, sys::fs::file_magic Type, LLVMContext *Context) {
39 StringRef Data = Object.getBuffer();
40 if (Type == sys::fs::file_magic::unknown)
41 Type = sys::fs::identify_magic(Data);
44 case sys::fs::file_magic::bitcode:
46 return IRObjectFile::create(Object, *Context);
48 case sys::fs::file_magic::unknown:
49 case sys::fs::file_magic::archive:
50 case sys::fs::file_magic::coff_cl_gl_object:
51 case sys::fs::file_magic::macho_universal_binary:
52 case sys::fs::file_magic::windows_resource:
53 return errorCodeToError(object_error::invalid_file_type);
54 case sys::fs::file_magic::elf:
55 case sys::fs::file_magic::elf_executable:
56 case sys::fs::file_magic::elf_shared_object:
57 case sys::fs::file_magic::elf_core:
58 case sys::fs::file_magic::macho_executable:
59 case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
60 case sys::fs::file_magic::macho_core:
61 case sys::fs::file_magic::macho_preload_executable:
62 case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
63 case sys::fs::file_magic::macho_dynamic_linker:
64 case sys::fs::file_magic::macho_bundle:
65 case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
66 case sys::fs::file_magic::macho_dsym_companion:
67 case sys::fs::file_magic::macho_kext_bundle:
68 case sys::fs::file_magic::pecoff_executable:
69 case sys::fs::file_magic::wasm_object:
70 return ObjectFile::createObjectFile(Object, Type);
71 case sys::fs::file_magic::coff_import_library:
72 return std::unique_ptr<SymbolicFile>(new COFFImportFile(Object));
73 case sys::fs::file_magic::elf_relocatable:
74 case sys::fs::file_magic::macho_object:
75 case sys::fs::file_magic::coff_object: {
76 Expected<std::unique_ptr<ObjectFile>> Obj =
77 ObjectFile::createObjectFile(Object, Type);
79 return std::move(Obj);
81 ErrorOr<MemoryBufferRef> BCData =
82 IRObjectFile::findBitcodeInObject(*Obj->get());
84 return std::move(Obj);
86 return IRObjectFile::create(
87 MemoryBufferRef(BCData->getBuffer(), Object.getBufferIdentifier()),
91 llvm_unreachable("Unexpected Binary File Type");