Mercurial > hg > CbC > CbC_llvm

annotate lib/Support/MemoryObject.cpp @ 21:fc4a6333556f

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change error message when tail call elimination is failed.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 14 Oct 2013 19:09:00 +0900
parents 9ad51c7bc036
children
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1 //===- MemoryObject.cpp - Abstract memory interface -----------------------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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10 #include "llvm/Support/MemoryObject.h"
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11 using namespace llvm;
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13 MemoryObject::~MemoryObject() {
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14 }
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16 int MemoryObject::readBytes(uint64_t address,
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17 uint64_t size,
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18 uint8_t* buf,
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19 uint64_t* copied) const {
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20 uint64_t current = address;
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21 uint64_t limit = getBase() + getExtent();
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23 if (current + size > limit)
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24 return -1;
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26 while (current - address < size) {
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27 if (readByte(current, &buf[(current - address)]))
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28 return -1;
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30 current++;
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31 }
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33 if (copied)
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34 *copied = current - address;
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36 return 0;
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37 }