Add Binary class. This is a cleaner parent than ObjectFile.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132910 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer 2011-06-13 11:12:12 +00:00
parent bf58996c08
commit fc9ec691da
3 changed files with 115 additions and 0 deletions

View File

@ -0,0 +1,64 @@
//===- Binary.h - 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 declares the Binary class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_OBJECT_BINARY_H
#define LLVM_OBJECT_BINARY_H
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Object/Error.h"
namespace llvm {
class MemoryBuffer;
class StringRef;
namespace object {
class Binary {
private:
Binary(); // = delete
Binary(const Binary &other); // = delete
unsigned int TypeID;
protected:
MemoryBuffer *Data;
Binary(unsigned int Type, MemoryBuffer *Source);
enum {
isArchive,
isCOFF,
isELF,
isMachO,
isObject
};
public:
virtual ~Binary();
StringRef getData() const;
StringRef getFileName() const;
// Cast methods.
unsigned int getType() const { return TypeID; }
static inline bool classof(Binary const *v) { return true; }
};
error_code createBinary(MemoryBuffer *Source, OwningPtr<Binary> &Result);
error_code createBinary(StringRef Path, OwningPtr<Binary> &Result);
}
}
#endif

50
lib/Object/Binary.cpp Normal file
View File

@ -0,0 +1,50 @@
//===- 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"
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) {
// We don't support any at the moment.
delete Source;
return object_error::invalid_file_type;
}
error_code object::createBinary(StringRef Path, OwningPtr<Binary> &Result) {
OwningPtr<MemoryBuffer> File;
if (error_code ec = MemoryBuffer::getFile(Path, File))
return ec;
return createBinary(File.take(), Result);
}

View File

@ -1,4 +1,5 @@
add_llvm_library(LLVMObject
Binary.cpp
COFFObjectFile.cpp
ELFObjectFile.cpp
Error.cpp