diff options
Diffstat (limited to 'include/llvm/ExecutionEngine')
-rw-r--r-- | include/llvm/ExecutionEngine/ObjectBuffer.h | 160 | ||||
-rw-r--r-- | include/llvm/ExecutionEngine/ObjectImage.h | 122 |
2 files changed, 141 insertions, 141 deletions
diff --git a/include/llvm/ExecutionEngine/ObjectBuffer.h b/include/llvm/ExecutionEngine/ObjectBuffer.h index a0a77b8ba8..3045fbd60d 100644 --- a/include/llvm/ExecutionEngine/ObjectBuffer.h +++ b/include/llvm/ExecutionEngine/ObjectBuffer.h @@ -1,80 +1,80 @@ -//===---- ObjectBuffer.h - Utility class to wrap object image memory -----===//
-//
-// 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 wrapper class to hold the memory into which an
-// object will be generated.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_EXECUTIONENGINE_OBJECTBUFFER_H
-#define LLVM_EXECUTIONENGINE_OBJECTBUFFER_H
-
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/MemoryBuffer.h"
-
-namespace llvm {
-
-/// ObjectBuffer - This class acts as a container for the memory buffer used during
-/// generation and loading of executable objects using MCJIT and RuntimeDyld. The
-/// underlying memory for the object will be owned by the ObjectBuffer instance
-/// throughout its lifetime. The getMemBuffer() method provides a way to create a
-/// MemoryBuffer wrapper object instance to be owned by other classes (such as
-/// ObjectFile) as needed, but the MemoryBuffer instance returned does not own the
-/// actual memory it points to.
-class ObjectBuffer {
-public:
- ObjectBuffer() {}
- ObjectBuffer(MemoryBuffer* Buf) : Buffer(Buf) {}
- virtual ~ObjectBuffer() {}
-
- /// getMemBuffer - Like MemoryBuffer::getMemBuffer() this function
- /// returns a pointer to an object that is owned by the caller. However,
- /// the caller does not take ownership of the underlying memory.
- MemoryBuffer *getMemBuffer() const {
- return MemoryBuffer::getMemBuffer(Buffer->getBuffer(), "", false);
- }
-
- const char *getBufferStart() const { return Buffer->getBufferStart(); }
- size_t getBufferSize() const { return Buffer->getBufferSize(); }
-
-protected:
- // The memory contained in an ObjectBuffer
- OwningPtr<MemoryBuffer> Buffer;
-};
-
-/// ObjectBufferStream - This class encapsulates the SmallVector and
-/// raw_svector_ostream needed to generate an object using MC code emission
-/// while providing a common ObjectBuffer interface for access to the
-/// memory once the object has been generated.
-class ObjectBufferStream : public ObjectBuffer {
-public:
- ObjectBufferStream() : OS(SV) {}
- virtual ~ObjectBufferStream() {}
-
- raw_ostream &getOStream() { return OS; }
- void flush()
- {
- OS.flush();
-
- // Make the data accessible via the ObjectBuffer::Buffer
- Buffer.reset(MemoryBuffer::getMemBuffer(StringRef(SV.data(), SV.size()),
- "",
- false));
- }
-
-protected:
- SmallVector<char, 4096> SV; // Working buffer into which we JIT.
- raw_svector_ostream OS; // streaming wrapper
-};
-
-} // namespace llvm
-
-#endif
+//===---- ObjectBuffer.h - Utility class to wrap object image memory -----===// +// +// 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 wrapper class to hold the memory into which an +// object will be generated. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_EXECUTIONENGINE_OBJECTBUFFER_H +#define LLVM_EXECUTIONENGINE_OBJECTBUFFER_H + +#include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/OwningPtr.h" +#include "llvm/Support/raw_ostream.h" +#include "llvm/Support/MemoryBuffer.h" + +namespace llvm { + +/// ObjectBuffer - This class acts as a container for the memory buffer used during +/// generation and loading of executable objects using MCJIT and RuntimeDyld. The +/// underlying memory for the object will be owned by the ObjectBuffer instance +/// throughout its lifetime. The getMemBuffer() method provides a way to create a +/// MemoryBuffer wrapper object instance to be owned by other classes (such as +/// ObjectFile) as needed, but the MemoryBuffer instance returned does not own the +/// actual memory it points to. +class ObjectBuffer { +public: + ObjectBuffer() {} + ObjectBuffer(MemoryBuffer* Buf) : Buffer(Buf) {} + virtual ~ObjectBuffer() {} + + /// getMemBuffer - Like MemoryBuffer::getMemBuffer() this function + /// returns a pointer to an object that is owned by the caller. However, + /// the caller does not take ownership of the underlying memory. + MemoryBuffer *getMemBuffer() const { + return MemoryBuffer::getMemBuffer(Buffer->getBuffer(), "", false); + } + + const char *getBufferStart() const { return Buffer->getBufferStart(); } + size_t getBufferSize() const { return Buffer->getBufferSize(); } + +protected: + // The memory contained in an ObjectBuffer + OwningPtr<MemoryBuffer> Buffer; +}; + +/// ObjectBufferStream - This class encapsulates the SmallVector and +/// raw_svector_ostream needed to generate an object using MC code emission +/// while providing a common ObjectBuffer interface for access to the +/// memory once the object has been generated. +class ObjectBufferStream : public ObjectBuffer { +public: + ObjectBufferStream() : OS(SV) {} + virtual ~ObjectBufferStream() {} + + raw_ostream &getOStream() { return OS; } + void flush() + { + OS.flush(); + + // Make the data accessible via the ObjectBuffer::Buffer + Buffer.reset(MemoryBuffer::getMemBuffer(StringRef(SV.data(), SV.size()), + "", + false)); + } + +protected: + SmallVector<char, 4096> SV; // Working buffer into which we JIT. + raw_svector_ostream OS; // streaming wrapper +}; + +} // namespace llvm + +#endif diff --git a/include/llvm/ExecutionEngine/ObjectImage.h b/include/llvm/ExecutionEngine/ObjectImage.h index 82549add62..e84d25ef61 100644 --- a/include/llvm/ExecutionEngine/ObjectImage.h +++ b/include/llvm/ExecutionEngine/ObjectImage.h @@ -1,61 +1,61 @@ -//===---- 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/Object/ObjectFile.h"
-#include "llvm/ExecutionEngine/ObjectBuffer.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;
-
-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;
-
- // Subclasses can override these methods to provide JIT debugging support
- virtual void registerWithDebugger() = 0;
- virtual void deregisterWithDebugger() = 0;
-};
-
-} // end namespace llvm
-
-#endif // LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H
-
+//===---- 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/Object/ObjectFile.h" +#include "llvm/ExecutionEngine/ObjectBuffer.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; + +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; + + // Subclasses can override these methods to provide JIT debugging support + virtual void registerWithDebugger() = 0; + virtual void deregisterWithDebugger() = 0; +}; + +} // end namespace llvm + +#endif // LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H + |