mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
0d50598d71
Once the objects are constructed, they own the buffer. Passing a unique_ptr makes that clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211595 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
//===- Binary.cpp - A generic binary file -----------------------*- 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 the Binary class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Object/Binary.h"
|
|
#include "llvm/ADT/StringRef.h"
|
|
#include "llvm/Support/FileSystem.h"
|
|
#include "llvm/Support/MemoryBuffer.h"
|
|
#include "llvm/Support/Path.h"
|
|
|
|
// Include headers for createBinary.
|
|
#include "llvm/Object/Archive.h"
|
|
#include "llvm/Object/MachOUniversal.h"
|
|
#include "llvm/Object/ObjectFile.h"
|
|
|
|
using namespace llvm;
|
|
using namespace object;
|
|
|
|
Binary::~Binary() {}
|
|
|
|
Binary::Binary(unsigned int Type, std::unique_ptr<MemoryBuffer> Source)
|
|
: TypeID(Type), Data(std::move(Source)) {}
|
|
|
|
StringRef Binary::getData() const {
|
|
return Data->getBuffer();
|
|
}
|
|
|
|
StringRef Binary::getFileName() const {
|
|
return Data->getBufferIdentifier();
|
|
}
|
|
|
|
ErrorOr<Binary *> object::createBinary(std::unique_ptr<MemoryBuffer> &Buffer,
|
|
LLVMContext *Context) {
|
|
sys::fs::file_magic Type = sys::fs::identify_magic(Buffer->getBuffer());
|
|
|
|
switch (Type) {
|
|
case sys::fs::file_magic::archive:
|
|
return Archive::create(std::move(Buffer));
|
|
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:
|
|
case sys::fs::file_magic::bitcode:
|
|
return ObjectFile::createSymbolicFile(Buffer, Type, Context);
|
|
case sys::fs::file_magic::macho_universal_binary:
|
|
return MachOUniversalBinary::create(std::move(Buffer));
|
|
case sys::fs::file_magic::unknown:
|
|
case sys::fs::file_magic::windows_resource:
|
|
// Unrecognized object file format.
|
|
return object_error::invalid_file_type;
|
|
}
|
|
llvm_unreachable("Unexpected Binary File Type");
|
|
}
|
|
|
|
ErrorOr<Binary *> object::createBinary(StringRef Path) {
|
|
std::unique_ptr<MemoryBuffer> File;
|
|
if (std::error_code EC = MemoryBuffer::getFileOrSTDIN(Path, File))
|
|
return EC;
|
|
return createBinary(File);
|
|
}
|