1 //===- MemoryObject.cpp - Abstract memory interface -----------------------===// 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/MemoryObject.h" 11 using namespace llvm; 12 13 MemoryObject::~MemoryObject() { 14 } 15 16 int MemoryObject::readBytes(uint64_t address, 17 uint64_t size, 18 uint8_t* buf, 19 uint64_t* copied) const { 20 uint64_t current = address; 21 uint64_t limit = getBase() + getExtent(); 22 23 if (current + size > limit) 24 return -1; 25 26 while (current - address < size) { 27 if (readByte(current, &buf[(current - address)])) 28 return -1; 29 30 current++; 31 } 32 33 if (copied) 34 *copied = current - address; 35 36 return 0; 37 } 38
