1/* 2 * Copyright (C) 2011 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "VTableSpectrum.h" 28 29#include "JSObject.h" 30#include "Structure.h" 31#include <algorithm> 32#include <stdio.h> 33#include <wtf/Vector.h> 34 35#if PLATFORM(MAC) 36#include <dlfcn.h> 37#endif 38 39namespace JSC { 40 41VTableSpectrum::VTableSpectrum() 42{ 43} 44 45VTableSpectrum::~VTableSpectrum() 46{ 47} 48 49void VTableSpectrum::countVPtr(void* vTablePointer) 50{ 51 add(vTablePointer); 52} 53 54void VTableSpectrum::count(JSCell* cell) 55{ 56 // FIXME: we need to change this class to count ClassInfos rather than vptrs 57 UNUSED_PARAM(cell); 58} 59 60void VTableSpectrum::dump(FILE* output, const char* comment) 61{ 62 fprintf(output, "%s:\n", comment); 63 64 Vector<KeyAndCount> list = buildList(); 65 66 for (size_t index = list.size(); index-- > 0;) { 67 KeyAndCount item = list.at(index); 68#if PLATFORM(MAC) 69 Dl_info info; 70 if (dladdr(item.key, &info)) { 71 char* findResult = strrchr(info.dli_fname, '/'); 72 const char* strippedFileName; 73 74 if (findResult) 75 strippedFileName = findResult + 1; 76 else 77 strippedFileName = info.dli_fname; 78 79 fprintf(output, " %s:%s(%p): %lu\n", strippedFileName, info.dli_sname, item.key, item.count); 80 continue; 81 } 82#endif 83 fprintf(output, " %p: %lu\n", item.key, item.count); 84 } 85 86 fflush(output); 87} 88 89} // namespace JSC 90