forked from OSchip/llvm-project
84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
//===- Binary.cpp - A generic binary file -----------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the Binary class.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Object/Binary.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/Path.h"
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// Include headers for createBinary.
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#include "llvm/Object/Archive.h"
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#include "llvm/Object/MachOUniversal.h"
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#include "llvm/Object/ObjectFile.h"
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using namespace llvm;
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using namespace object;
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Binary::~Binary() {}
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Binary::Binary(unsigned int Type, std::unique_ptr<MemoryBuffer> Source)
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: TypeID(Type), Data(std::move(Source)) {}
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StringRef Binary::getData() const {
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return Data->getBuffer();
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}
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StringRef Binary::getFileName() const {
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return Data->getBufferIdentifier();
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}
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ErrorOr<Binary *> object::createBinary(std::unique_ptr<MemoryBuffer> Buffer,
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LLVMContext *Context) {
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sys::fs::file_magic Type = sys::fs::identify_magic(Buffer->getBuffer());
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switch (Type) {
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case sys::fs::file_magic::archive:
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return Archive::create(std::move(Buffer));
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case sys::fs::file_magic::elf_relocatable:
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case sys::fs::file_magic::elf_executable:
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case sys::fs::file_magic::elf_shared_object:
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case sys::fs::file_magic::elf_core:
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case sys::fs::file_magic::macho_object:
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case sys::fs::file_magic::macho_executable:
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case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
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case sys::fs::file_magic::macho_core:
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case sys::fs::file_magic::macho_preload_executable:
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case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
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case sys::fs::file_magic::macho_dynamic_linker:
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case sys::fs::file_magic::macho_bundle:
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case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
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case sys::fs::file_magic::macho_dsym_companion:
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case sys::fs::file_magic::coff_object:
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case sys::fs::file_magic::coff_import_library:
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case sys::fs::file_magic::pecoff_executable:
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case sys::fs::file_magic::bitcode:
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return ObjectFile::createSymbolicFile(Buffer, Type, Context);
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case sys::fs::file_magic::macho_universal_binary:
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return MachOUniversalBinary::create(std::move(Buffer));
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case sys::fs::file_magic::unknown:
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case sys::fs::file_magic::windows_resource:
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// Unrecognized object file format.
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return object_error::invalid_file_type;
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}
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llvm_unreachable("Unexpected Binary File Type");
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}
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ErrorOr<Binary *> object::createBinary(StringRef Path) {
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ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
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MemoryBuffer::getFileOrSTDIN(Path);
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if (std::error_code EC = FileOrErr.getError())
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return EC;
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return createBinary(std::move(*FileOrErr));
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}
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