-//===- Binary.cpp - A generic binary file -----------------------*- C++ -*-===//
+//===- Binary.cpp - A generic binary file ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
#include "llvm/Object/Binary.h"
#include "llvm/ADT/StringRef.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
-
-// Include headers for createBinary.
#include "llvm/Object/Archive.h"
-#include "llvm/Object/COFF.h"
+#include "llvm/Object/Error.h"
+#include "llvm/Object/MachOUniversal.h"
#include "llvm/Object/ObjectFile.h"
+#include "llvm/Object/WindowsResource.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/ErrorOr.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include <algorithm>
+#include <memory>
+#include <system_error>
using namespace llvm;
using namespace object;
-Binary::~Binary() {
- delete Data;
-}
+Binary::~Binary() = default;
-Binary::Binary(unsigned int Type, MemoryBuffer *Source)
- : TypeID(Type)
- , Data(Source) {}
+Binary::Binary(unsigned int Type, MemoryBufferRef Source)
+ : TypeID(Type), Data(Source) {}
-StringRef Binary::getData() const {
- return Data->getBuffer();
-}
+StringRef Binary::getData() const { return Data.getBuffer(); }
-StringRef Binary::getFileName() const {
- return Data->getBufferIdentifier();
-}
+StringRef Binary::getFileName() const { return Data.getBufferIdentifier(); }
+
+MemoryBufferRef Binary::getMemoryBufferRef() const { return Data; }
+
+Expected<std::unique_ptr<Binary>> object::createBinary(MemoryBufferRef Buffer,
+ LLVMContext *Context) {
+ sys::fs::file_magic Type = sys::fs::identify_magic(Buffer.getBuffer());
-error_code object::createBinary(MemoryBuffer *Source,
- OwningPtr<Binary> &Result) {
- OwningPtr<MemoryBuffer> scopedSource(Source);
- if (!Source)
- return make_error_code(errc::invalid_argument);
- sys::LLVMFileType type = sys::identifyFileType(Source->getBuffer());
- error_code ec;
- switch (type) {
- case sys::Archive_FileType: {
- OwningPtr<Binary> ret(new Archive(scopedSource.take(), ec));
- if (ec) return ec;
- Result.swap(ret);
- return object_error::success;
- }
- case sys::ELF_Relocatable_FileType:
- case sys::ELF_Executable_FileType:
- case sys::ELF_SharedObject_FileType:
- case sys::ELF_Core_FileType: {
- OwningPtr<Binary> ret(
- ObjectFile::createELFObjectFile(scopedSource.take()));
- if (!ret)
- return object_error::invalid_file_type;
- Result.swap(ret);
- return object_error::success;
- }
- case sys::Mach_O_Object_FileType:
- case sys::Mach_O_Executable_FileType:
- case sys::Mach_O_FixedVirtualMemorySharedLib_FileType:
- case sys::Mach_O_Core_FileType:
- case sys::Mach_O_PreloadExecutable_FileType:
- case sys::Mach_O_DynamicallyLinkedSharedLib_FileType:
- case sys::Mach_O_DynamicLinker_FileType:
- case sys::Mach_O_Bundle_FileType:
- case sys::Mach_O_DynamicallyLinkedSharedLibStub_FileType: {
- OwningPtr<Binary> ret(
- ObjectFile::createMachOObjectFile(scopedSource.take()));
- if (!ret)
- return object_error::invalid_file_type;
- Result.swap(ret);
- return object_error::success;
- }
- case sys::COFF_FileType: {
- OwningPtr<Binary> ret(new COFFObjectFile(scopedSource.take(), ec));
- if (ec) return ec;
- Result.swap(ret);
- return object_error::success;
- }
- default: // Unrecognized object file format.
- return object_error::invalid_file_type;
+ switch (Type) {
+ case sys::fs::file_magic::archive:
+ return Archive::create(Buffer);
+ case sys::fs::file_magic::elf:
+ 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::macho_kext_bundle:
+ case sys::fs::file_magic::coff_object:
+ case sys::fs::file_magic::coff_import_library:
+ case sys::fs::file_magic::pecoff_executable:
+ case sys::fs::file_magic::bitcode:
+ case sys::fs::file_magic::wasm_object:
+ return ObjectFile::createSymbolicFile(Buffer, Type, Context);
+ case sys::fs::file_magic::macho_universal_binary:
+ return MachOUniversalBinary::create(Buffer);
+ case sys::fs::file_magic::windows_resource:
+ return WindowsResource::createWindowsResource(Buffer);
+ case sys::fs::file_magic::unknown:
+ case sys::fs::file_magic::coff_cl_gl_object:
+ // Unrecognized object file format.
+ return errorCodeToError(object_error::invalid_file_type);
}
+ llvm_unreachable("Unexpected Binary File Type");
}
-error_code object::createBinary(StringRef Path, OwningPtr<Binary> &Result) {
- OwningPtr<MemoryBuffer> File;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(Path, File))
- return ec;
- return createBinary(File.take(), Result);
+Expected<OwningBinary<Binary>> object::createBinary(StringRef Path) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+ MemoryBuffer::getFileOrSTDIN(Path);
+ if (std::error_code EC = FileOrErr.getError())
+ return errorCodeToError(EC);
+ std::unique_ptr<MemoryBuffer> &Buffer = FileOrErr.get();
+
+ Expected<std::unique_ptr<Binary>> BinOrErr =
+ createBinary(Buffer->getMemBufferRef());
+ if (!BinOrErr)
+ return BinOrErr.takeError();
+ std::unique_ptr<Binary> &Bin = BinOrErr.get();
+
+ return OwningBinary<Binary>(std::move(Bin), std::move(Buffer));
}
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