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//===- Buffer.cpp ---------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "Buffer.h"
#include "llvm-objcopy.h"
#include "llvm/Support/FileOutputBuffer.h"
#include "llvm/Support/MemoryBuffer.h"
#include <memory>
namespace llvm {
namespace objcopy {
Buffer::~Buffer() {}
void FileBuffer::allocate(size_t Size) {
Expected<std::unique_ptr<FileOutputBuffer>> BufferOrErr =
FileOutputBuffer::create(getName(), Size, FileOutputBuffer::F_executable);
handleAllErrors(BufferOrErr.takeError(), [this](const ErrorInfoBase &E) {
error("failed to open " + getName() + ": " + E.message());
});
Buf = std::move(*BufferOrErr);
}
Error FileBuffer::commit() { return Buf->commit(); }
uint8_t *FileBuffer::getBufferStart() {
return reinterpret_cast<uint8_t *>(Buf->getBufferStart());
}
void MemBuffer::allocate(size_t Size) {
Buf = WritableMemoryBuffer::getNewMemBuffer(Size, getName());
}
Error MemBuffer::commit() { return Error::success(); }
uint8_t *MemBuffer::getBufferStart() {
return reinterpret_cast<uint8_t *>(Buf->getBufferStart());
}
std::unique_ptr<WritableMemoryBuffer> MemBuffer::releaseMemoryBuffer() {
return std::move(Buf);
}
} // end namespace objcopy
} // end namespace llvm
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