#include "qv4sequenceobject_p.h"
#include "qv4qobjectwrapper_p.h"
#include "qv4qmlextensions_p.h"
-
-#if (defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)) || defined(Q_OS_MAC)
-#define HAVE_GNU_BACKTRACE
-#include <execinfo.h>
-#endif
-
-#if defined(Q_OS_WIN)
-#include <DbgHelp.h>
-#endif
+#include "qv4stacktrace_p.h"
#ifdef V4_ENABLE_JIT
# include "qv4isel_masm_p.h"
}
namespace {
- struct NativeFrame {
- Function *function;
- int line;
- };
-
- struct NativeStackTrace
- {
- void *trace[100];
- int nativeFrameCount;
- int currentNativeFrame;
- ExecutionEngine *engine;
-
- NativeStackTrace(ExecutionContext *context)
- {
- engine = context->engine;
- currentNativeFrame = 0;
-
-#if defined(HAVE_GNU_BACKTRACE)
- UnwindHelper::prepareForUnwind(context);
-
- nativeFrameCount = backtrace(&trace[0], sizeof(trace) / sizeof(trace[0]));
-#elif defined(Q_OS_WIN)
-
- int machineType = 0;
-
- CONTEXT winContext;
- memset(&winContext, 0, sizeof(winContext));
- winContext.ContextFlags = CONTEXT_FULL;
- RtlCaptureContext(&winContext);
-
- STACKFRAME64 sf64;
- memset(&sf64, 0, sizeof(sf64));
-
-#if defined(Q_PROCESSOR_X86_32)
- machineType = IMAGE_FILE_MACHINE_I386;
-
- sf64.AddrFrame.Offset = winContext.Ebp;
- sf64.AddrFrame.Mode = AddrModeFlat;
- sf64.AddrPC.Offset = winContext.Eip;
- sf64.AddrPC.Mode = AddrModeFlat;
- sf64.AddrStack.Offset = winContext.Esp;
- sf64.AddrStack.Mode = AddrModeFlat;
-
-#elif defined(Q_PROCESSOR_X86_64)
- machineType = IMAGE_FILE_MACHINE_AMD64;
-
- sf64.AddrFrame.Offset = winContext.Rbp;
- sf64.AddrFrame.Mode = AddrModeFlat;
- sf64.AddrPC.Offset = winContext.Rip;
- sf64.AddrPC.Mode = AddrModeFlat;
- sf64.AddrStack.Offset = winContext.Rsp;
- sf64.AddrStack.Mode = AddrModeFlat;
-
-#else
-#error "Platform unsupported!"
-#endif
-
- nativeFrameCount = 0;
-
- while (StackWalk64(machineType, GetCurrentProcess(), GetCurrentThread(), &sf64, &winContext, 0, SymFunctionTableAccess64, SymGetModuleBase64, 0)) {
-
- if (sf64.AddrReturn.Offset == 0)
- break;
-
- trace[nativeFrameCount] = reinterpret_cast<void*>(sf64.AddrReturn.Offset);
- nativeFrameCount++;
- if (nativeFrameCount >= sizeof(trace) / sizeof(trace[0]))
- break;
- }
-
-#else
- nativeFrameCount = 0;
-#endif
- }
-
- NativeFrame nextFrame() {
- NativeFrame frame;
- frame.function = 0;
- frame.line = -1;
-
- for (; currentNativeFrame < nativeFrameCount && !frame.function; ++currentNativeFrame) {
- quintptr pc = reinterpret_cast<quintptr>(trace[currentNativeFrame]);
- // The pointers from the back trace point to the return address, but we are interested in
- // the caller site.
- pc = pc - 1;
-
- Function *f = engine->functionForProgramCounter(pc);
- if (!f)
- continue;
-
- frame.function = f;
- frame.line = f->lineNumberForProgramCounter(pc - reinterpret_cast<quintptr>(f->code));
- }
-
- return frame;
- }
- };
struct LineNumberResolver {
const ExecutionEngine* engine;
- QScopedPointer<NativeStackTrace> nativeTrace;
+ QScopedPointer<QV4::NativeStackTrace> nativeTrace;
LineNumberResolver(const ExecutionEngine *engine)
: engine(engine)
frame->line = function->lineNumberForProgramCounter(offset);
} else {
if (!nativeTrace)
- nativeTrace.reset(new NativeStackTrace(engine->current));
+ nativeTrace.reset(new QV4::NativeStackTrace(engine->current));
NativeFrame nativeFrame = nativeTrace->nextFrame();
if (nativeFrame.function == function)
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#if defined(_WIN32)
+#include <windows.h>
+#include <DbgHelp.h>
+#endif
+
+#include "qv4stacktrace_p.h"
+#include "qv4function_p.h"
+#include "qv4engine_p.h"
+#include "qv4unwindhelper_p.h"
+
+#if (defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)) || defined(Q_OS_MAC)
+#define HAVE_GNU_BACKTRACE
+#include <execinfo.h>
+#endif
+
+#if defined(Q_OS_WIN)
+// We call RtlCaptureContext and that will crash if the compiler did not
+// create a stack frame for the function that calls RtlCaptureContext.
+#if defined(Q_CC_MSVC)
+#pragma optimize( "y", off )
+#elif defined(Q_CC_GNU)
+#pragma GCC optimize ("O0")
+#else
+#error "Don't know how to disable frame pointer optimizations with this compiler on Windows!"
+#endif
+
+#endif
+
+QT_BEGIN_NAMESPACE
+
+using namespace QV4;
+
+NativeStackTrace::NativeStackTrace(ExecutionContext *context)
+{
+ engine = context->engine;
+ currentNativeFrame = 0;
+
+#if defined(HAVE_GNU_BACKTRACE)
+ UnwindHelper::prepareForUnwind(context);
+
+ nativeFrameCount = backtrace(&trace[0], sizeof(trace) / sizeof(trace[0]));
+#elif defined(Q_OS_WIN)
+
+ int machineType = 0;
+
+ CONTEXT winContext;
+ memset(&winContext, 0, sizeof(winContext));
+ winContext.ContextFlags = CONTEXT_FULL;
+ RtlCaptureContext(&winContext);
+
+ STACKFRAME64 sf64;
+ memset(&sf64, 0, sizeof(sf64));
+
+#if defined(Q_PROCESSOR_X86_32)
+ machineType = IMAGE_FILE_MACHINE_I386;
+
+ sf64.AddrFrame.Offset = winContext.Ebp;
+ sf64.AddrFrame.Mode = AddrModeFlat;
+ sf64.AddrPC.Offset = winContext.Eip;
+ sf64.AddrPC.Mode = AddrModeFlat;
+ sf64.AddrStack.Offset = winContext.Esp;
+ sf64.AddrStack.Mode = AddrModeFlat;
+
+#elif defined(Q_PROCESSOR_X86_64)
+ machineType = IMAGE_FILE_MACHINE_AMD64;
+
+ sf64.AddrFrame.Offset = winContext.Rbp;
+ sf64.AddrFrame.Mode = AddrModeFlat;
+ sf64.AddrPC.Offset = winContext.Rip;
+ sf64.AddrPC.Mode = AddrModeFlat;
+ sf64.AddrStack.Offset = winContext.Rsp;
+ sf64.AddrStack.Mode = AddrModeFlat;
+
+#else
+#error "Platform unsupported!"
+#endif
+
+ nativeFrameCount = 0;
+
+ while (StackWalk64(machineType, GetCurrentProcess(), GetCurrentThread(), &sf64, &winContext, 0, SymFunctionTableAccess64, SymGetModuleBase64, 0)) {
+
+ if (sf64.AddrReturn.Offset == 0)
+ break;
+
+ trace[nativeFrameCount] = reinterpret_cast<void*>(sf64.AddrReturn.Offset);
+ nativeFrameCount++;
+ if (nativeFrameCount >= sizeof(trace) / sizeof(trace[0]))
+ break;
+ }
+
+#else
+ nativeFrameCount = 0;
+#endif
+ }
+
+NativeFrame NativeStackTrace::nextFrame() {
+ NativeFrame frame;
+ frame.function = 0;
+ frame.line = -1;
+
+ for (; currentNativeFrame < nativeFrameCount && !frame.function; ++currentNativeFrame) {
+ quintptr pc = reinterpret_cast<quintptr>(trace[currentNativeFrame]);
+ // The pointers from the back trace point to the return address, but we are interested in
+ // the caller site.
+ pc = pc - 1;
+
+ Function *f = engine->functionForProgramCounter(pc);
+ if (!f)
+ continue;
+
+ frame.function = f;
+ frame.line = f->lineNumberForProgramCounter(pc - reinterpret_cast<quintptr>(f->code));
+ }
+
+ return frame;
+}
+
+QT_END_NAMESPACE
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef QV4STACKTRACE_P_H
+#define QV4STACKTRACE_P_H
+
+#include <qglobal.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QV4 {
+
+struct Function;
+struct ExecutionEngine;
+struct ExecutionContext;
+
+struct NativeFrame {
+ Function *function;
+ int line;
+};
+
+struct NativeStackTrace
+{
+ void *trace[100];
+ int nativeFrameCount;
+ int currentNativeFrame;
+ ExecutionEngine *engine;
+
+ NativeStackTrace(ExecutionContext *context);
+
+ NativeFrame nextFrame();
+};
+
+} // namespace QV4
+
+QT_END_NAMESPACE
+
+#endif // QV4STACKTRACE_P_H
$$PWD/qv4sequenceobject.cpp \
$$PWD/qv4include.cpp \
$$PWD/qv4qobjectwrapper.cpp \
- $$PWD/qv4qmlextensions.cpp
+ $$PWD/qv4qmlextensions.cpp \
+ $$PWD/qv4stacktrace.cpp
HEADERS += \
$$PWD/qv4global_p.h \
$$PWD/qv4sequenceobject_p.h \
$$PWD/qv4include_p.h \
$$PWD/qv4qobjectwrapper_p.h \
- $$PWD/qv4qmlextensions_p.h
+ $$PWD/qv4qmlextensions_p.h \
+ $$PWD/qv4stacktrace_p.h
llvm-libs {
projects / platform / upstream / qtdeclarative.git / commitdiff