| //===- SymbolicFile.cpp - Interface that only provides symbols --*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines a file format independent SymbolicFile class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Object/IRObjectFile.h" |
| #include "llvm/Object/ObjectFile.h" |
| #include "llvm/Object/SymbolicFile.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| |
| using namespace llvm; |
| using namespace object; |
| |
| SymbolicFile::SymbolicFile(unsigned int Type, MemoryBufferRef Source) |
| : Binary(Type, Source) {} |
| |
| SymbolicFile::~SymbolicFile() {} |
| |
| ErrorOr<std::unique_ptr<SymbolicFile>> SymbolicFile::createSymbolicFile( |
| MemoryBufferRef Object, sys::fs::file_magic Type, LLVMContext *Context) { |
| StringRef Data = Object.getBuffer(); |
| if (Type == sys::fs::file_magic::unknown) |
| Type = sys::fs::identify_magic(Data); |
| |
| switch (Type) { |
| case sys::fs::file_magic::bitcode: |
| if (Context) |
| return IRObjectFile::create(Object, *Context); |
| // Fallthrough |
| case sys::fs::file_magic::unknown: |
| case sys::fs::file_magic::archive: |
| case sys::fs::file_magic::macho_universal_binary: |
| case sys::fs::file_magic::windows_resource: |
| return object_error::invalid_file_type; |
| case sys::fs::file_magic::elf: |
| case sys::fs::file_magic::elf_executable: |
| case sys::fs::file_magic::elf_shared_object: |
| case sys::fs::file_magic::elf_core: |
| case sys::fs::file_magic::macho_executable: |
| case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib: |
| case sys::fs::file_magic::macho_core: |
| case sys::fs::file_magic::macho_preload_executable: |
| case sys::fs::file_magic::macho_dynamically_linked_shared_lib: |
| case sys::fs::file_magic::macho_dynamic_linker: |
| case sys::fs::file_magic::macho_bundle: |
| case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub: |
| case sys::fs::file_magic::macho_dsym_companion: |
| case sys::fs::file_magic::coff_import_library: |
| case sys::fs::file_magic::pecoff_executable: |
| return ObjectFile::createObjectFile(Object, Type); |
| case sys::fs::file_magic::elf_relocatable: |
| case sys::fs::file_magic::macho_object: |
| case sys::fs::file_magic::coff_object: { |
| ErrorOr<std::unique_ptr<ObjectFile>> Obj = |
| ObjectFile::createObjectFile(Object, Type); |
| if (!Obj || !Context) |
| return std::move(Obj); |
| |
| ErrorOr<MemoryBufferRef> BCData = |
| IRObjectFile::findBitcodeInObject(*Obj->get()); |
| if (!BCData) |
| return std::move(Obj); |
| |
| return IRObjectFile::create( |
| MemoryBufferRef(BCData->getBuffer(), Object.getBufferIdentifier()), |
| *Context); |
| } |
| } |
| llvm_unreachable("Unexpected Binary File Type"); |
| } |