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 
19 using namespace llvm;
20 using namespace object;
21 
22 SymbolicFile::SymbolicFile(unsigned int Type, MemoryBuffer *Source,
23                            bool BufferOwned)
24     : Binary(Type, Source, BufferOwned) {}
25 
26 SymbolicFile::~SymbolicFile() {}
27 
28 ErrorOr<SymbolicFile *>
29 SymbolicFile::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