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      1 //===- lib/Support/StringRefMemoryObject.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 "llvm/Support/StringRefMemoryObject.h"
     11 
     12 using namespace llvm;
     13 
     14 int StringRefMemoryObject::readByte(uint64_t Addr, uint8_t *Byte) const {
     15   if (Addr >= Base + getExtent() || Addr < Base)
     16     return -1;
     17   *Byte = Bytes[Addr - Base];
     18   return 0;
     19 }
     20 
     21 int StringRefMemoryObject::readBytes(uint64_t Addr,
     22                                      uint64_t Size,
     23                                      uint8_t *Buf) const {
     24   uint64_t Offset = Addr - Base;
     25   if (Addr >= Base + getExtent() || Offset + Size > getExtent() || Addr < Base)
     26     return -1;
     27   memcpy(Buf, Bytes.data() + Offset, Size);
     28   return 0;
     29 }
     30