Home | History | Annotate | Download | only in Support
      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) const {
     19   uint64_t current = address;
     20   uint64_t limit = getBase() + getExtent();
     21 
     22   if (current + size > limit)
     23     return -1;
     24 
     25   while (current - address < size) {
     26     if (readByte(current, &buf[(current - address)]))
     27       return -1;
     28 
     29     current++;
     30   }
     31 
     32   return 0;
     33 }
     34