1//===--- DataBufferLLVM.h ---------------------------------------*- C++ -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#ifndef LLDB_UTILITY_DATABUFFERLLVM_H 10#define LLDB_UTILITY_DATABUFFERLLVM_H 11 12#include "lldb/Utility/DataBuffer.h" 13#include "lldb/lldb-types.h" 14 15#include <cstdint> 16#include <memory> 17 18namespace llvm { 19class WritableMemoryBuffer; 20class MemoryBuffer; 21class Twine; 22} // namespace llvm 23 24namespace lldb_private { 25class FileSystem; 26 27class DataBufferLLVM : public DataBuffer { 28public: 29 ~DataBufferLLVM() override; 30 31 const uint8_t *GetBytesImpl() const override; 32 lldb::offset_t GetByteSize() const override; 33 34 /// LLVM RTTI support. 35 /// { 36 static char ID; 37 bool isA(const void *ClassID) const override { 38 return ClassID == &ID || DataBuffer::isA(ClassID); 39 } 40 static bool classof(const DataBuffer *data_buffer) { 41 return data_buffer->isA(&ID); 42 } 43 /// } 44 45 /// Construct a DataBufferLLVM from \p Buffer. \p Buffer must be a valid 46 /// pointer. 47 explicit DataBufferLLVM(std::unique_ptr<llvm::MemoryBuffer> Buffer); 48 49protected: 50 std::unique_ptr<llvm::MemoryBuffer> Buffer; 51}; 52 53class WritableDataBufferLLVM : public WritableDataBuffer { 54public: 55 ~WritableDataBufferLLVM() override; 56 57 const uint8_t *GetBytesImpl() const override; 58 lldb::offset_t GetByteSize() const override; 59 60 /// LLVM RTTI support. 61 /// { 62 static char ID; 63 bool isA(const void *ClassID) const override { 64 return ClassID == &ID || WritableDataBuffer::isA(ClassID); 65 } 66 static bool classof(const DataBuffer *data_buffer) { 67 return data_buffer->isA(&ID); 68 } 69 /// } 70 71 /// Construct a DataBufferLLVM from \p Buffer. \p Buffer must be a valid 72 /// pointer. 73 explicit WritableDataBufferLLVM( 74 std::unique_ptr<llvm::WritableMemoryBuffer> Buffer); 75 76protected: 77 std::unique_ptr<llvm::WritableMemoryBuffer> Buffer; 78}; 79} // namespace lldb_private 80 81#endif 82