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      1 //===- llvm/Support/StringRefMemoryObject.h ---------------------*- 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 // This file contains the declaration of the StringRefMemObject class, a simple
     11 // wrapper around StringRef implementing the MemoryObject interface.
     12 //
     13 //===----------------------------------------------------------------------===//
     14 
     15 #ifndef LLVM_SUPPORT_STRINGREFMEMORYOBJECT_H
     16 #define LLVM_SUPPORT_STRINGREFMEMORYOBJECT_H
     17 
     18 #include "llvm/ADT/StringRef.h"
     19 #include "llvm/Support/Compiler.h"
     20 #include "llvm/Support/MemoryObject.h"
     21 
     22 namespace llvm {
     23 
     24 /// StringRefMemoryObject - Simple StringRef-backed MemoryObject
     25 class StringRefMemoryObject : public MemoryObject {
     26   StringRef Bytes;
     27   uint64_t Base;
     28 public:
     29   StringRefMemoryObject(StringRef Bytes, uint64_t Base = 0)
     30     : Bytes(Bytes), Base(Base) {}
     31 
     32   uint64_t getBase() const LLVM_OVERRIDE { return Base; }
     33   uint64_t getExtent() const LLVM_OVERRIDE { return Bytes.size(); }
     34 
     35   int readByte(uint64_t Addr, uint8_t *Byte) const LLVM_OVERRIDE;
     36   int readBytes(uint64_t Addr, uint64_t Size, uint8_t *Buf) const LLVM_OVERRIDE;
     37 };
     38 
     39 }
     40 
     41 #endif
     42