C++ (Cpp) WTFGetBacktraceの例

コード例 #1

ファイル: JSGlobalObjectInspectorController.cpp プロジェクト: mu326668629/webkit

void JSGlobalObjectInspectorController::appendAPIBacktrace(ScriptCallStack* callStack)
{
#if OS(DARWIN) || (OS(LINUX) && !PLATFORM(GTK))
    static const int framesToShow = 31;
    static const int framesToSkip = 3; // WTFGetBacktrace, appendAPIBacktrace, reportAPIException.

    void* samples[framesToShow + framesToSkip];
    int frames = framesToShow + framesToSkip;
    WTFGetBacktrace(samples, &frames);

    void** stack = samples + framesToSkip;
    int size = frames - framesToSkip;
    for (int i = 0; i < size; ++i) {
        const char* mangledName = nullptr;
        char* cxaDemangled = nullptr;
        Dl_info info;
        if (dladdr(stack[i], &info) && info.dli_sname)
            mangledName = info.dli_sname;
        if (mangledName)
            cxaDemangled = abi::__cxa_demangle(mangledName, nullptr, nullptr, nullptr);
        if (mangledName || cxaDemangled)
            callStack->append(ScriptCallFrame(cxaDemangled ? cxaDemangled : mangledName, ASCIILiteral("[native code]"), 0, 0));
        else
            callStack->append(ScriptCallFrame(ASCIILiteral("?"), ASCIILiteral("[native code]"), 0, 0));
        free(cxaDemangled);
    }
#else
    UNUSED_PARAM(callStack);
#endif
}

コード例 #2

ファイル: Assertions.cpp プロジェクト: sfarbotka/py3webkit

void WTFReportBacktrace()
{
    static const int framesToShow = 31;
    static const int framesToSkip = 2;
    void* samples[framesToShow + framesToSkip];
    int frames = framesToShow + framesToSkip;

    WTFGetBacktrace(samples, &frames);

    for (int i = framesToSkip; i < frames; ++i) {
        const char* mangledName = 0;
        char* cxaDemangled = 0;

#if !PLATFORM(GTK) && !PLATFORM(QT) && (OS(DARWIN) || OS(LINUX))
        Dl_info info;
        if (dladdr(samples[i], &info) && info.dli_sname)
            mangledName = info.dli_sname;
        if (mangledName)
            cxaDemangled = abi::__cxa_demangle(mangledName, 0, 0, 0);
#endif
        const int frameNumber = i - framesToSkip + 1;
        if (mangledName || cxaDemangled)
            fprintf(stderr, "%-3d %p %s\n", frameNumber, samples[i], cxaDemangled ? cxaDemangled : mangledName);
        else
            fprintf(stderr, "%-3d %p\n", frameNumber, samples[i]);
        free(cxaDemangled);
    }
}

コード例 #3

ファイル: Assertions.cpp プロジェクト: Igalia/blink

void WTFReportBacktrace(int framesToShow)
{
    static const int framesToSkip = 2;
    // Use alloca to allocate on the stack since this function is used in OOM situations.
    void** samples = static_cast<void**>(alloca((framesToShow + framesToSkip) * sizeof(void *)));
    int frames = framesToShow + framesToSkip;

    WTFGetBacktrace(samples, &frames);
    WTFPrintBacktrace(samples + framesToSkip, frames - framesToSkip);
}

コード例 #4

ファイル: Assertions.cpp プロジェクト: webOS-ports/webkit

void WTFReportBacktrace()
{
    static const int framesToShow = 31;
    static const int framesToSkip = 2;
    void* samples[framesToShow + framesToSkip];
    int frames = framesToShow + framesToSkip;

    WTFGetBacktrace(samples, &frames);
    WTFPrintBacktrace(samples + framesToSkip, frames - framesToSkip);
}

コード例 #5

ファイル: ScriptElement.cpp プロジェクト: sysrqb/chromium-src

void ScriptElement::stopLoadRequest()
{
    if (m_cachedScript) {
        if (!m_willBeParserExecuted)
            m_cachedScript->removeClient(this);
#if PLATFORM(CHROMIUM)
        ASSERT(m_cachedScriptState == Set);
        m_cachedScriptState = ZeroedInStopLoadRequest;
        m_backtraceSize = MaxBacktraceSize;
        WTFGetBacktrace(m_backtrace, &m_backtraceSize);
#endif
        m_cachedScript = 0;
    }
}

コード例 #6

ファイル: ScriptElement.cpp プロジェクト: sysrqb/chromium-src

void ScriptElement::notifyFinished(CachedResource* o)
{
    ASSERT(!m_willBeParserExecuted);
    ASSERT_UNUSED(o, o == m_cachedScript);
    if (m_willExecuteInOrder)
        m_element->document()->scriptRunner()->notifyInOrderScriptReady();
    else
        m_element->document()->scriptRunner()->queueScriptForExecution(this, m_cachedScript, ScriptRunner::ASYNC_EXECUTION);

#if PLATFORM(CHROMIUM)
    ASSERT(m_cachedScriptState == Set);
    m_cachedScriptState = ZeroedInNotifyFinished;
    m_backtraceSize = MaxBacktraceSize;
    WTFGetBacktrace(m_backtrace, &m_backtraceSize);
#endif
    m_cachedScript = 0;
}

コード例 #7

ファイル: JSGlobalObjectInspectorController.cpp プロジェクト: mjparme/openjdk-jfx

void JSGlobalObjectInspectorController::appendAPIBacktrace(ScriptCallStack& callStack)
{
#if OS(DARWIN) || (OS(LINUX) && !PLATFORM(GTK))
    static const int framesToShow = 31;
    static const int framesToSkip = 3; // WTFGetBacktrace, appendAPIBacktrace, reportAPIException.

    void* samples[framesToShow + framesToSkip];
    int frames = framesToShow + framesToSkip;
    WTFGetBacktrace(samples, &frames);

    void** stack = samples + framesToSkip;
    int size = frames - framesToSkip;
    for (int i = 0; i < size; ++i) {
        auto demangled = StackTrace::demangle(stack[i]);
        if (demangled)
            callStack.append(ScriptCallFrame(demangled->demangledName() ? demangled->demangledName() : demangled->mangledName(), ASCIILiteral("[native code]"), noSourceID, 0, 0));
        else
            callStack.append(ScriptCallFrame(ASCIILiteral("?"), ASCIILiteral("[native code]"), noSourceID, 0, 0));
    }
#else
    UNUSED_PARAM(callStack);
#endif
}