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author | Michael J. Spencer <bigcheesegs@gmail.com> | 2011-06-25 17:54:29 +0000 |
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committer | Michael J. Spencer <bigcheesegs@gmail.com> | 2011-06-25 17:54:29 +0000 |
commit | c44c915372ee453bd63a8b6b3eca586ab6f18545 (patch) | |
tree | 20b03697dad880f54e3ba21e86ac7287910e9d2b | |
parent | d2a02f409e20f64a33e5dc55926e97bd710386c8 (diff) | |
download | external_llvm-c44c915372ee453bd63a8b6b3eca586ab6f18545.zip external_llvm-c44c915372ee453bd63a8b6b3eca586ab6f18545.tar.gz external_llvm-c44c915372ee453bd63a8b6b3eca586ab6f18545.tar.bz2 |
Add Binary class. This is a cleaner parent than ObjectFile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133869 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | include/llvm/Object/Binary.h | 64 | ||||
-rw-r--r-- | lib/Object/Binary.cpp | 50 | ||||
-rw-r--r-- | lib/Object/CMakeLists.txt | 1 |
3 files changed, 115 insertions, 0 deletions
diff --git a/include/llvm/Object/Binary.h b/include/llvm/Object/Binary.h new file mode 100644 index 0000000..89cd24b --- /dev/null +++ b/include/llvm/Object/Binary.h @@ -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 diff --git a/lib/Object/Binary.cpp b/lib/Object/Binary.cpp new file mode 100644 index 0000000..75f5a58 --- /dev/null +++ b/lib/Object/Binary.cpp @@ -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); +} diff --git a/lib/Object/CMakeLists.txt b/lib/Object/CMakeLists.txt index e32940e..68e5e94 100644 --- a/lib/Object/CMakeLists.txt +++ b/lib/Object/CMakeLists.txt @@ -1,4 +1,5 @@ add_llvm_library(LLVMObject + Binary.cpp COFFObjectFile.cpp ELFObjectFile.cpp Error.cpp |