llvm-6502/include/llvm/ExecutionEngine/ObjectImage.h
Juergen Ributzka 354362524a [weak vtables] Remove a bunch of weak vtables
This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file. The memory leaks in this version have been fixed. Thanks
Alexey for pointing them out.

Differential Revision: http://llvm-reviews.chandlerc.com/D2068

Reviewed by Andy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195064 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-19 00:57:56 +00:00

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2.0 KiB
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//===---- ObjectImage.h - Format independent executuable object image -----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares a file format independent ObjectImage class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
#define LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
#include "llvm/ExecutionEngine/ObjectBuffer.h"
#include "llvm/Object/ObjectFile.h"
namespace llvm {
/// ObjectImage - A container class that represents an ObjectFile that has been
/// or is in the process of being loaded into memory for execution.
class ObjectImage {
ObjectImage() LLVM_DELETED_FUNCTION;
ObjectImage(const ObjectImage &other) LLVM_DELETED_FUNCTION;
virtual void anchor();
protected:
OwningPtr<ObjectBuffer> Buffer;
public:
ObjectImage(ObjectBuffer *Input) : Buffer(Input) {}
virtual ~ObjectImage() {}
virtual object::symbol_iterator begin_symbols() const = 0;
virtual object::symbol_iterator end_symbols() const = 0;
virtual object::section_iterator begin_sections() const = 0;
virtual object::section_iterator end_sections() const = 0;
virtual /* Triple::ArchType */ unsigned getArch() const = 0;
// Subclasses can override these methods to update the image with loaded
// addresses for sections and common symbols
virtual void updateSectionAddress(const object::SectionRef &Sec,
uint64_t Addr) = 0;
virtual void updateSymbolAddress(const object::SymbolRef &Sym,
uint64_t Addr) = 0;
virtual StringRef getData() const = 0;
virtual object::ObjectFile* getObjectFile() const = 0;
// Subclasses can override these methods to provide JIT debugging support
virtual void registerWithDebugger() = 0;
virtual void deregisterWithDebugger() = 0;
};
} // end namespace llvm
#endif // LLVM_EXECUTIONENGINE_OBJECTIMAGE_H