SymbolicFile.cpp revision 36b56886974eae4f9c5ebc96befd3e7bfe5de338 
1//===- SymbolicFile.cpp - Interface that only provides symbols --*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines a file format independent SymbolicFile class.
11//
12//===----------------------------------------------------------------------===//
13
14#include "llvm/Object/IRObjectFile.h"
15#include "llvm/Object/ObjectFile.h"
16#include "llvm/Object/SymbolicFile.h"
17#include "llvm/Support/MemoryBuffer.h"
18
19using namespace llvm;
20using namespace object;
21
22SymbolicFile::SymbolicFile(unsigned int Type, MemoryBuffer *Source,
23                           bool BufferOwned)
24    : Binary(Type, Source, BufferOwned) {}
25
26SymbolicFile::~SymbolicFile() {}
27
28ErrorOr<SymbolicFile *>
29SymbolicFile::createSymbolicFile(MemoryBuffer *Object, bool BufferOwned,
30                                 sys::fs::file_magic Type,
31                                 LLVMContext *Context) {
32  if (Type == sys::fs::file_magic::unknown)
33    Type = sys::fs::identify_magic(Object->getBuffer());
34
35  switch (Type) {
36  case sys::fs::file_magic::bitcode:
37    if (Context)
38      return IRObjectFile::createIRObjectFile(Object, *Context, BufferOwned);
39  // Fallthrough
40  case sys::fs::file_magic::unknown:
41  case sys::fs::file_magic::archive:
42  case sys::fs::file_magic::macho_universal_binary:
43  case sys::fs::file_magic::windows_resource:
44    if (BufferOwned)
45      delete Object;
46    return object_error::invalid_file_type;
47  case sys::fs::file_magic::elf_relocatable:
48  case sys::fs::file_magic::elf_executable:
49  case sys::fs::file_magic::elf_shared_object:
50  case sys::fs::file_magic::elf_core:
51  case sys::fs::file_magic::macho_object:
52  case sys::fs::file_magic::macho_executable:
53  case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
54  case sys::fs::file_magic::macho_core:
55  case sys::fs::file_magic::macho_preload_executable:
56  case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
57  case sys::fs::file_magic::macho_dynamic_linker:
58  case sys::fs::file_magic::macho_bundle:
59  case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
60  case sys::fs::file_magic::macho_dsym_companion:
61  case sys::fs::file_magic::coff_object:
62  case sys::fs::file_magic::coff_import_library:
63  case sys::fs::file_magic::pecoff_executable:
64    return ObjectFile::createObjectFile(Object, BufferOwned, Type);
65  }
66  llvm_unreachable("Unexpected Binary File Type");
67}
68