mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-30 21:29:28 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141449 91177308-0d34-0410-b5e6-96231b3b80d8
104 lines
3.2 KiB
C++
104 lines
3.2 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/MemoryBuffer.h"
|
|
#include "llvm/Support/Path.h"
|
|
|
|
// Include headers for createBinary.
|
|
#include "llvm/Object/Archive.h"
|
|
#include "llvm/Object/COFF.h"
|
|
#include "llvm/Object/ObjectFile.h"
|
|
|
|
using namespace llvm;
|
|
using namespace object;
|
|
|
|
Binary::~Binary() {
|
|
delete Data;
|
|
}
|
|
|
|
Binary::Binary(unsigned int Type, MemoryBuffer *Source)
|
|
: TypeID(Type)
|
|
, Data(Source) {}
|
|
|
|
StringRef Binary::getData() const {
|
|
return Data->getBuffer();
|
|
}
|
|
|
|
StringRef Binary::getFileName() const {
|
|
return Data->getBufferIdentifier();
|
|
}
|
|
|
|
error_code object::createBinary(MemoryBuffer *Source,
|
|
OwningPtr<Binary> &Result) {
|
|
OwningPtr<MemoryBuffer> scopedSource(Source);
|
|
if (!Source)
|
|
return make_error_code(errc::invalid_argument);
|
|
if (Source->getBufferSize() < 64)
|
|
return object_error::invalid_file_type;
|
|
sys::LLVMFileType type = sys::IdentifyFileType(Source->getBufferStart(),
|
|
static_cast<unsigned>(Source->getBufferSize()));
|
|
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;
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|