contrib/llvm/tools/lldb/source/Utility/DataBufferLLVM.cpp

   1 //===--- DataBufferLLVM.cpp -------------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "lldb/Utility/DataBufferLLVM.h"
  11
  12 #include "llvm/ADT/Twine.h"
  13 #include "llvm/Support/FileSystem.h"
  14 #include "llvm/Support/MemoryBuffer.h"
  15
  16 #include <assert.h>
  17 #include <type_traits>
  18
  19 using namespace lldb_private;
  20
  21 DataBufferLLVM::DataBufferLLVM(
  22     std::unique_ptr<llvm::WritableMemoryBuffer> MemBuffer)
  23     : Buffer(std::move(MemBuffer)) {
  24   assert(Buffer != nullptr &&
  25          "Cannot construct a DataBufferLLVM with a null buffer");
  26 }
  27
  28 DataBufferLLVM::~DataBufferLLVM() {}
  29
  30 uint8_t *DataBufferLLVM::GetBytes() {
  31   return reinterpret_cast<uint8_t *>(Buffer->getBufferStart());
  32 }
  33
  34 const uint8_t *DataBufferLLVM::GetBytes() const {
  35   return reinterpret_cast<const uint8_t *>(Buffer->getBufferStart());
  36 }
  37
  38 lldb::offset_t DataBufferLLVM::GetByteSize() const {
  39   return Buffer->getBufferSize();
  40 }