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