llvm-project/llvm/lib/Object/SymbolicFile.cpp

66 lines
2.5 KiB
C++

//===- 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,
std::unique_ptr<MemoryBuffer> Source)
: Binary(Type, std::move(Source)) {}
SymbolicFile::~SymbolicFile() {}
ErrorOr<SymbolicFile *>
SymbolicFile::createSymbolicFile(std::unique_ptr<MemoryBuffer> &Object,
sys::fs::file_magic Type,
LLVMContext *Context) {
if (Type == sys::fs::file_magic::unknown)
Type = sys::fs::identify_magic(Object->getBuffer());
switch (Type) {
case sys::fs::file_magic::bitcode:
if (Context)
return IRObjectFile::createIRObjectFile(std::move(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_relocatable:
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_object:
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_object:
case sys::fs::file_magic::coff_import_library:
case sys::fs::file_magic::pecoff_executable:
return ObjectFile::createObjectFile(Object, Type);
}
llvm_unreachable("Unexpected Binary File Type");
}