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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#include "hostutils.h"
#include <utils/synchronousprocess.h>
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QLibrary>
#include <QProcess>
#include <QString>
#include <QTextStream>
#ifdef Q_OS_WIN
// Enable Win API of XP SP1 and later
#define _WIN32_WINNT 0x0502
#include <windows.h>
#include <utils/winutils.h>
#include <tlhelp32.h>
#include <psapi.h>
#endif // Q_OS_WIN
namespace Debugger {
namespace Internal {
#ifdef Q_OS_WIN
bool winResumeThread(unsigned long dwThreadId, QString *errorMessage)
{
bool ok = false;
HANDLE handle = NULL;
do {
if (!dwThreadId)
break;
handle = OpenThread(SYNCHRONIZE |THREAD_QUERY_INFORMATION |THREAD_SUSPEND_RESUME,
FALSE, dwThreadId);
if (handle==NULL) {
*errorMessage = QString::fromLatin1("Unable to open thread %1: %2").
arg(dwThreadId).arg(Utils::winErrorMessage(GetLastError()));
break;
}
if (ResumeThread(handle) == DWORD(-1)) {
*errorMessage = QString::fromLatin1("Unable to resume thread %1: %2").
arg(dwThreadId).arg(Utils::winErrorMessage(GetLastError()));
break;
}
ok = true;
} while (false);
if (handle != NULL)
CloseHandle(handle);
return ok;
}
unsigned long winGetCurrentProcessId()
{
return GetCurrentProcessId();
}
bool isWinProcessBeingDebugged(unsigned long pid)
{
HANDLE processHandle = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid);
if (processHandle == NULL)
return false;
BOOL debugged = FALSE;
CheckRemoteDebuggerPresent(processHandle, &debugged);
CloseHandle(processHandle);
return debugged != FALSE;
}
// Simple exception formatting
void formatWindowsException(unsigned long code, quint64 address,
unsigned long flags, quint64 info1, quint64 info2,
QTextStream &str)
{
str.setIntegerBase(16);
str << "\nException at 0x" << address
<< ", code: 0x" << code << ": ";
switch (code) {
case winExceptionCppException:
str << "C++ exception";
break;
case winExceptionStartupCompleteTrap:
str << "Startup complete";
break;
case winExceptionDllNotFound:
str << "DLL not found";
break;
case winExceptionDllEntryPointNoFound:
str << "DLL entry point not found";
break;
case winExceptionDllInitFailed:
str << "DLL failed to initialize";
break;
case winExceptionMissingSystemFile:
str << "System file is missing";
break;
case winExceptionRpcServerUnavailable:
str << "RPC server unavailable";
break;
case winExceptionRpcServerInvalid:
str << "Invalid RPC server";
break;
case winExceptionWX86Breakpoint:
str << "Win32 x86 emulation subsystem breakpoint hit";
break;
case EXCEPTION_ACCESS_VIOLATION: {
const bool writeOperation = info1;
str << (writeOperation ? "write" : "read")
<< " access violation at: 0x" << info2;
}
break;
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
str << "arrary bounds exceeded";
break;
case EXCEPTION_BREAKPOINT:
str << "breakpoint";
break;
case EXCEPTION_DATATYPE_MISALIGNMENT:
str << "datatype misalignment";
break;
case EXCEPTION_FLT_DENORMAL_OPERAND:
str << "floating point exception";
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
str << "division by zero";
break;
case EXCEPTION_FLT_INEXACT_RESULT:
str << " floating-point operation cannot be represented exactly as a decimal fraction";
break;
case EXCEPTION_FLT_INVALID_OPERATION:
str << "invalid floating-point operation";
break;
case EXCEPTION_FLT_OVERFLOW:
str << "floating-point overflow";
break;
case EXCEPTION_FLT_STACK_CHECK:
str << "floating-point operation stack over/underflow";
break;
case EXCEPTION_FLT_UNDERFLOW:
str << "floating-point UNDERFLOW";
break;
case EXCEPTION_ILLEGAL_INSTRUCTION:
str << "invalid instruction";
break;
case EXCEPTION_IN_PAGE_ERROR:
str << "page in error";
break;
case EXCEPTION_INT_DIVIDE_BY_ZERO:
str << "integer division by zero";
break;
case EXCEPTION_INT_OVERFLOW:
str << "integer overflow";
break;
case EXCEPTION_INVALID_DISPOSITION:
str << "invalid disposition to exception dispatcher";
break;
case EXCEPTION_NONCONTINUABLE_EXCEPTION:
str << "attempt to continue execution after noncontinuable exception";
break;
case EXCEPTION_PRIV_INSTRUCTION:
str << "privileged instruction";
break;
case EXCEPTION_SINGLE_STEP:
str << "single step";
break;
case EXCEPTION_STACK_OVERFLOW:
str << "stack_overflow";
break;
}
str << ", flags=0x" << flags;
if (flags == EXCEPTION_NONCONTINUABLE) {
str << " (execution cannot be continued)";
}
str.setIntegerBase(10);
}
bool isDebuggerWinException(unsigned long code)
{
return code == EXCEPTION_BREAKPOINT || code == EXCEPTION_SINGLE_STEP;
}
bool isFatalWinException(long code)
{
switch (code) {
case EXCEPTION_BREAKPOINT:
case EXCEPTION_SINGLE_STEP:
case winExceptionStartupCompleteTrap: // Mysterious exception at start of application
case winExceptionRpcServerUnavailable:
case winExceptionRpcServerInvalid:
case winExceptionDllNotFound:
case winExceptionDllEntryPointNoFound:
case winExceptionCppException:
return false;
default:
break;
}
return true;
}
#endif // Q_OS_WIN
} // namespace Internal
} // namespace Debugger
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