1358 lines
41 KiB
C++
1358 lines
41 KiB
C++
// This code is in the public domain -- Ignacio Castaño <castano@gmail.com>
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#include "Debug.h"
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#include "Array.inl"
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#include "StrLib.h" // StringBuilder
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#include "StdStream.h" // fileOpen
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#include <stdlib.h>
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// Extern
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#if NV_OS_WIN32 //&& NV_CC_MSVC
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# define WIN32_LEAN_AND_MEAN
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# define VC_EXTRALEAN
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# include <windows.h>
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# include <direct.h>
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// -- GODOT start -
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# include <crtdbg.h>
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# if _MSC_VER < 1300
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# define DECLSPEC_DEPRECATED
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// VC6: change this path to your Platform SDK headers
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# include <dbghelp.h> // must be XP version of file
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// include "M:\\dev7\\vs\\devtools\\common\\win32sdk\\include\\dbghelp.h"
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# else
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// VC7: ships with updated headers
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# include <dbghelp.h>
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# endif
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// -- GODOT end -
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# pragma comment(lib,"dbghelp.lib")
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#endif
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#if NV_OS_XBOX
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# include <Xtl.h>
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# ifdef _DEBUG
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# include <xbdm.h>
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# endif //_DEBUG
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#endif //NV_OS_XBOX
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#if !NV_OS_WIN32 && defined(NV_HAVE_SIGNAL_H)
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# include <signal.h>
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#endif
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#if NV_OS_UNIX
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# include <unistd.h> // getpid
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#endif
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#if NV_OS_LINUX && defined(NV_HAVE_EXECINFO_H)
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# include <execinfo.h> // backtrace
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# if NV_CC_GNUC // defined(NV_HAVE_CXXABI_H)
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# include <cxxabi.h>
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# endif
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#endif
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#if NV_OS_DARWIN || NV_OS_FREEBSD || NV_OS_OPENBSD
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# include <sys/types.h>
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# include <sys/param.h>
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# include <sys/sysctl.h> // sysctl
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# if !defined(NV_OS_OPENBSD)
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# include <sys/ucontext.h>
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# endif
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# if defined(NV_HAVE_EXECINFO_H) // only after OSX 10.5
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# include <execinfo.h> // backtrace
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# if NV_CC_GNUC // defined(NV_HAVE_CXXABI_H)
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# include <cxxabi.h>
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# endif
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# endif
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#endif
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#if NV_OS_ORBIS
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#include <libdbg.h>
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#endif
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#if NV_OS_DURANGO
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#include "Windows.h"
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#include <winnt.h>
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#include <crtdbg.h>
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#include <dbghelp.h>
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#include <errhandlingapi.h>
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#define NV_USE_SEPARATE_THREAD 0
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#else
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#define NV_USE_SEPARATE_THREAD 1
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#endif
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using namespace nv;
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namespace
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{
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static MessageHandler * s_message_handler = NULL;
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static AssertHandler * s_assert_handler = NULL;
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static bool s_sig_handler_enabled = false;
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static bool s_interactive = true;
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#if (NV_OS_WIN32 && NV_CC_MSVC) || NV_OS_DURANGO
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// Old exception filter.
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static LPTOP_LEVEL_EXCEPTION_FILTER s_old_exception_filter = NULL;
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#elif !NV_OS_WIN32 && defined(NV_HAVE_SIGNAL_H)
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// Old signal handlers.
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struct sigaction s_old_sigsegv;
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struct sigaction s_old_sigtrap;
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struct sigaction s_old_sigfpe;
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struct sigaction s_old_sigbus;
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#endif
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// -- GODOT start -
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#if NV_OS_WIN32 || NV_OS_DURANGO
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// -- GODOT end -
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// We should try to simplify the top level filter as much as possible.
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// http://www.nynaeve.net/?p=128
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// The critical section enforcing the requirement that only one exception be
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// handled by a handler at a time.
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static CRITICAL_SECTION s_handler_critical_section;
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#if NV_USE_SEPARATE_THREAD
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// Semaphores used to move exception handling between the exception thread
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// and the handler thread. handler_start_semaphore_ is signalled by the
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// exception thread to wake up the handler thread when an exception occurs.
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// handler_finish_semaphore_ is signalled by the handler thread to wake up
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// the exception thread when handling is complete.
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static HANDLE s_handler_start_semaphore = NULL;
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static HANDLE s_handler_finish_semaphore = NULL;
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// The exception handler thread.
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static HANDLE s_handler_thread = NULL;
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static DWORD s_requesting_thread_id = 0;
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static EXCEPTION_POINTERS * s_exception_info = NULL;
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#endif // NV_USE_SEPARATE_THREAD
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struct MinidumpCallbackContext {
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ULONG64 memory_base;
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ULONG memory_size;
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bool finished;
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};
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#if NV_OS_WIN32
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// static
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static BOOL CALLBACK miniDumpWriteDumpCallback(PVOID context, const PMINIDUMP_CALLBACK_INPUT callback_input, PMINIDUMP_CALLBACK_OUTPUT callback_output)
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{
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switch (callback_input->CallbackType)
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{
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case MemoryCallback: {
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MinidumpCallbackContext* callback_context = reinterpret_cast<MinidumpCallbackContext*>(context);
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if (callback_context->finished)
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return FALSE;
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// Include the specified memory region.
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callback_output->MemoryBase = callback_context->memory_base;
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callback_output->MemorySize = callback_context->memory_size;
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callback_context->finished = true;
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return TRUE;
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}
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// Include all modules.
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case IncludeModuleCallback:
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case ModuleCallback:
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return TRUE;
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// Include all threads.
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case IncludeThreadCallback:
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case ThreadCallback:
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return TRUE;
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// Stop receiving cancel callbacks.
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case CancelCallback:
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callback_output->CheckCancel = FALSE;
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callback_output->Cancel = FALSE;
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return TRUE;
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}
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// Ignore other callback types.
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return FALSE;
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}
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#endif
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static bool writeMiniDump(EXCEPTION_POINTERS * pExceptionInfo)
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{
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#if NV_OS_DURANGO
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// Get a handle to the minidump method.
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typedef BOOL(WINAPI* MiniDumpWriteDumpPfn) (
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_In_ HANDLE hProcess,
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_In_ DWORD ProcessId,
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_In_ HANDLE hFile,
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_In_ MINIDUMP_TYPE DumpType,
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_In_opt_ PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
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_In_opt_ PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
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_Reserved_ PVOID CallbackParam
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);
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MiniDumpWriteDumpPfn MiniDumpWriteDump = NULL;
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HMODULE hToolHelpModule = ::LoadLibraryW(L"toolhelpx.dll");
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if (hToolHelpModule != INVALID_HANDLE_VALUE) {
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MiniDumpWriteDump = reinterpret_cast<MiniDumpWriteDumpPfn>(::GetProcAddress(hToolHelpModule, "MiniDumpWriteDump"));
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if (!MiniDumpWriteDump) {
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FreeLibrary(hToolHelpModule);
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return false;
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}
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}
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else
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return false;
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// Generate a decent filename.
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nv::Path application_path(256);
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HINSTANCE hinstance = GetModuleHandle(NULL);
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GetModuleFileName(hinstance, application_path.str(), 256);
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application_path.stripExtension();
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const char * application_name = application_path.fileName();
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SYSTEMTIME local_time;
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GetLocalTime(&local_time);
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char dump_filename[MAX_PATH] = {};
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sprintf_s(dump_filename, "d:\\%s-%04d%02d%02d-%02d%02d%02d.dmp",
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application_name,
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local_time.wYear, local_time.wMonth, local_time.wDay,
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local_time.wHour, local_time.wMinute, local_time.wSecond );
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#else
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const char* dump_filename = "crash.dmp";
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#endif
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// create the file
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HANDLE hFile = CreateFileA(dump_filename, GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_WRITE | FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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if (hFile == INVALID_HANDLE_VALUE) {
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//nvDebug("*** Failed to create dump file.\n");
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#if NV_OS_DURANGO
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FreeLibrary(hToolHelpModule);
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#endif
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return false;
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}
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MINIDUMP_EXCEPTION_INFORMATION * pExInfo = NULL;
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#if NV_OS_WIN32
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MINIDUMP_CALLBACK_INFORMATION * pCallback = NULL;
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#else
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void * pCallback = NULL;
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#endif
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MINIDUMP_EXCEPTION_INFORMATION ExInfo;
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if (pExceptionInfo != NULL) {
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ExInfo.ThreadId = ::GetCurrentThreadId();
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ExInfo.ExceptionPointers = pExceptionInfo;
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ExInfo.ClientPointers = NULL;
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pExInfo = &ExInfo;
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#if NV_OS_WIN32
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MINIDUMP_CALLBACK_INFORMATION callback;
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MinidumpCallbackContext context;
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// Find a memory region of 256 bytes centered on the
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// faulting instruction pointer.
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const ULONG64 instruction_pointer =
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#if defined(_M_IX86)
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pExceptionInfo->ContextRecord->Eip;
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#elif defined(_M_AMD64)
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pExceptionInfo->ContextRecord->Rip;
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#else
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#error Unsupported platform
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#endif
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MEMORY_BASIC_INFORMATION info;
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if (VirtualQuery(reinterpret_cast<LPCVOID>(instruction_pointer), &info, sizeof(MEMORY_BASIC_INFORMATION)) != 0 && info.State == MEM_COMMIT)
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{
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// Attempt to get 128 bytes before and after the instruction
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// pointer, but settle for whatever's available up to the
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// boundaries of the memory region.
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const ULONG64 kIPMemorySize = 256;
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context.memory_base = max(reinterpret_cast<ULONG64>(info.BaseAddress), instruction_pointer - (kIPMemorySize / 2));
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ULONG64 end_of_range = min(instruction_pointer + (kIPMemorySize / 2), reinterpret_cast<ULONG64>(info.BaseAddress) + info.RegionSize);
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context.memory_size = static_cast<ULONG>(end_of_range - context.memory_base);
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context.finished = false;
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callback.CallbackRoutine = miniDumpWriteDumpCallback;
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callback.CallbackParam = reinterpret_cast<void*>(&context);
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pCallback = &callback;
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}
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#endif
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}
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MINIDUMP_TYPE miniDumpType = (MINIDUMP_TYPE)(MiniDumpNormal|MiniDumpWithHandleData|MiniDumpWithThreadInfo);
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// write the dump
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BOOL ok = MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), hFile, miniDumpType, pExInfo, NULL, pCallback) != 0;
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CloseHandle(hFile);
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#if NV_OS_DURANGO
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FreeLibrary(hToolHelpModule);
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#endif
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if (ok == FALSE) {
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//nvDebug("*** Failed to save dump file.\n");
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return false;
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}
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//nvDebug("\nDump file saved.\n");
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return true;
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}
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#if NV_USE_SEPARATE_THREAD
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static DWORD WINAPI ExceptionHandlerThreadMain(void* lpParameter) {
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nvDebugCheck(s_handler_start_semaphore != NULL);
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nvDebugCheck(s_handler_finish_semaphore != NULL);
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while (true) {
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if (WaitForSingleObject(s_handler_start_semaphore, INFINITE) == WAIT_OBJECT_0) {
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writeMiniDump(s_exception_info);
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// Allow the requesting thread to proceed.
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ReleaseSemaphore(s_handler_finish_semaphore, 1, NULL);
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}
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}
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// This statement is not reached when the thread is unconditionally
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// terminated by the ExceptionHandler destructor.
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return 0;
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}
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#endif // NV_USE_SEPARATE_THREAD
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static bool hasStackTrace() {
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return true;
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}
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/*static NV_NOINLINE int backtrace(void * trace[], int maxcount) {
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// In Windows XP and Windows Server 2003, the sum of the FramesToSkip and FramesToCapture parameters must be less than 63.
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int xp_maxcount = min(63-1, maxcount);
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int count = RtlCaptureStackBackTrace(1, xp_maxcount, trace, NULL);
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nvDebugCheck(count <= maxcount);
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return count;
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}*/
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#if NV_OS_WIN32
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static NV_NOINLINE int backtraceWithSymbols(CONTEXT * ctx, void * trace[], int maxcount, int skip = 0) {
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// Init the stack frame for this function
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STACKFRAME64 stackFrame = { 0 };
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#if NV_CPU_X86_64
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DWORD dwMachineType = IMAGE_FILE_MACHINE_AMD64;
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stackFrame.AddrPC.Offset = ctx->Rip;
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stackFrame.AddrFrame.Offset = ctx->Rbp;
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stackFrame.AddrStack.Offset = ctx->Rsp;
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#elif NV_CPU_X86
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DWORD dwMachineType = IMAGE_FILE_MACHINE_I386;
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stackFrame.AddrPC.Offset = ctx->Eip;
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stackFrame.AddrFrame.Offset = ctx->Ebp;
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stackFrame.AddrStack.Offset = ctx->Esp;
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#else
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#error "Platform not supported!"
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#endif
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stackFrame.AddrPC.Mode = AddrModeFlat;
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stackFrame.AddrFrame.Mode = AddrModeFlat;
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stackFrame.AddrStack.Mode = AddrModeFlat;
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// Walk up the stack
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const HANDLE hThread = GetCurrentThread();
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const HANDLE hProcess = GetCurrentProcess();
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int i;
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for (i = 0; i < maxcount; i++)
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{
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// walking once first makes us skip self
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if (!StackWalk64(dwMachineType, hProcess, hThread, &stackFrame, ctx, NULL, &SymFunctionTableAccess64, &SymGetModuleBase64, NULL)) {
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break;
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}
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/*if (stackFrame.AddrPC.Offset == stackFrame.AddrReturn.Offset || stackFrame.AddrPC.Offset == 0) {
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break;
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}*/
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if (i >= skip) {
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trace[i - skip] = (PVOID)stackFrame.AddrPC.Offset;
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}
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}
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return i - skip;
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}
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#pragma warning(push)
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#pragma warning(disable:4748)
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static NV_NOINLINE int backtrace(void * trace[], int maxcount) {
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CONTEXT ctx = { 0 };
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// -- GODOT start --
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#if NV_CPU_X86 && !NV_CPU_X86_64
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ctx.ContextFlags = CONTEXT_CONTROL;
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#if NV_CC_MSVC
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_asm {
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call x
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x: pop eax
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mov ctx.Eip, eax
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mov ctx.Ebp, ebp
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mov ctx.Esp, esp
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}
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#else
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register long unsigned int ebp asm("ebp");
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ctx.Eip = (DWORD) __builtin_return_address(0);
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ctx.Ebp = ebp;
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ctx.Esp = (DWORD) __builtin_frame_address(0);
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#endif
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// -- GODOT end --
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#else
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RtlCaptureContext(&ctx); // Not implemented correctly in x86.
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#endif
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return backtraceWithSymbols(&ctx, trace, maxcount, 1);
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}
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#pragma warning(pop)
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static NV_NOINLINE void writeStackTrace(void * trace[], int size, int start, Array<const char *> & lines)
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{
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StringBuilder builder(512);
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HANDLE hProcess = GetCurrentProcess();
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// Resolve PC to function names
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for (int i = start; i < size; i++)
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{
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// Check for end of stack walk
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DWORD64 ip = (DWORD64)trace[i];
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if (ip == NULL)
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break;
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// Get function name
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#define MAX_STRING_LEN (512)
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unsigned char byBuffer[sizeof(IMAGEHLP_SYMBOL64) + MAX_STRING_LEN] = { 0 };
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IMAGEHLP_SYMBOL64 * pSymbol = (IMAGEHLP_SYMBOL64*)byBuffer;
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pSymbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64);
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pSymbol->MaxNameLength = MAX_STRING_LEN;
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DWORD64 dwDisplacement;
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if (SymGetSymFromAddr64(hProcess, ip, &dwDisplacement, pSymbol))
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{
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pSymbol->Name[MAX_STRING_LEN-1] = 0;
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/*
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// Make the symbol readable for humans
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UnDecorateSymbolName( pSym->Name, lpszNonUnicodeUnDSymbol, BUFFERSIZE,
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UNDNAME_COMPLETE |
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UNDNAME_NO_THISTYPE |
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UNDNAME_NO_SPECIAL_SYMS |
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UNDNAME_NO_MEMBER_TYPE |
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UNDNAME_NO_MS_KEYWORDS |
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UNDNAME_NO_ACCESS_SPECIFIERS );
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*/
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// pSymbol->Name
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const char * pFunc = pSymbol->Name;
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// Get file/line number
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IMAGEHLP_LINE64 theLine = { 0 };
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theLine.SizeOfStruct = sizeof(theLine);
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DWORD dwDisplacement;
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if (!SymGetLineFromAddr64(hProcess, ip, &dwDisplacement, &theLine))
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{
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// Do not print unknown symbols anymore.
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//break;
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builder.format("unknown(%08X) : %s\n", (uint32)ip, pFunc);
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}
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else
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{
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/*
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const char* pFile = strrchr(theLine.FileName, '\\');
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if ( pFile == NULL ) pFile = theLine.FileName;
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else pFile++;
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*/
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const char * pFile = theLine.FileName;
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int line = theLine.LineNumber;
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builder.format("%s(%d) : %s\n", pFile, line, pFunc);
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}
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lines.append(builder.release());
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if (pFunc != NULL && strcmp(pFunc, "WinMain") == 0) {
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break;
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}
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}
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}
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}
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#endif
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// Write mini dump and print stack trace.
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static LONG WINAPI handleException(EXCEPTION_POINTERS * pExceptionInfo)
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{
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EnterCriticalSection(&s_handler_critical_section);
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#if NV_USE_SEPARATE_THREAD
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s_requesting_thread_id = GetCurrentThreadId();
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s_exception_info = pExceptionInfo;
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// This causes the handler thread to call writeMiniDump.
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ReleaseSemaphore(s_handler_start_semaphore, 1, NULL);
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// Wait until WriteMinidumpWithException is done and collect its return value.
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WaitForSingleObject(s_handler_finish_semaphore, INFINITE);
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//bool status = s_handler_return_value;
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// Clean up.
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s_requesting_thread_id = 0;
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s_exception_info = NULL;
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#else
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// First of all, write mini dump.
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|
writeMiniDump(pExceptionInfo);
|
|
#endif
|
|
LeaveCriticalSection(&s_handler_critical_section);
|
|
|
|
nvDebug("\nDump file saved.\n");
|
|
|
|
// Try to attach to debugger.
|
|
if (s_interactive && debug::attachToDebugger()) {
|
|
nvDebugBreak();
|
|
return EXCEPTION_CONTINUE_EXECUTION;
|
|
}
|
|
|
|
#if NV_OS_WIN32
|
|
// If that fails, then try to pretty print a stack trace and terminate.
|
|
void * trace[64];
|
|
|
|
int size = backtraceWithSymbols(pExceptionInfo->ContextRecord, trace, 64);
|
|
|
|
// @@ Use win32's CreateFile?
|
|
FILE * fp = fileOpen("crash.txt", "wb");
|
|
if (fp != NULL) {
|
|
Array<const char *> lines;
|
|
writeStackTrace(trace, size, 0, lines);
|
|
|
|
for (uint i = 0; i < lines.count(); i++) {
|
|
fputs(lines[i], fp);
|
|
delete lines[i];
|
|
}
|
|
|
|
// @@ Add more info to crash.txt?
|
|
|
|
fclose(fp);
|
|
}
|
|
#endif
|
|
|
|
// This should terminate the process and set the error exit code.
|
|
TerminateProcess(GetCurrentProcess(), EXIT_FAILURE + 2);
|
|
|
|
return EXCEPTION_EXECUTE_HANDLER; // Terminate app. In case terminate process did not succeed.
|
|
}
|
|
|
|
static void handlePureVirtualCall() {
|
|
nvDebugBreak();
|
|
TerminateProcess(GetCurrentProcess(), EXIT_FAILURE + 8);
|
|
}
|
|
|
|
static void handleInvalidParameter(const wchar_t * wexpresion, const wchar_t * wfunction, const wchar_t * wfile, unsigned int line, uintptr_t reserved) {
|
|
|
|
size_t convertedCharCount = 0;
|
|
|
|
StringBuilder expresion;
|
|
if (wexpresion != NULL) {
|
|
uint size = U32(wcslen(wexpresion) + 1);
|
|
expresion.reserve(size);
|
|
wcstombs_s(&convertedCharCount, expresion.str(), size, wexpresion, _TRUNCATE);
|
|
}
|
|
|
|
StringBuilder file;
|
|
if (wfile != NULL) {
|
|
uint size = U32(wcslen(wfile) + 1);
|
|
file.reserve(size);
|
|
wcstombs_s(&convertedCharCount, file.str(), size, wfile, _TRUNCATE);
|
|
}
|
|
|
|
StringBuilder function;
|
|
if (wfunction != NULL) {
|
|
uint size = U32(wcslen(wfunction) + 1);
|
|
function.reserve(size);
|
|
wcstombs_s(&convertedCharCount, function.str(), size, wfunction, _TRUNCATE);
|
|
}
|
|
|
|
int result = nvAbort(expresion.str(), file.str(), line, function.str());
|
|
if (result == NV_ABORT_DEBUG) {
|
|
nvDebugBreak();
|
|
}
|
|
}
|
|
|
|
#elif !NV_OS_WIN32 && defined(NV_HAVE_SIGNAL_H) // NV_OS_LINUX || NV_OS_DARWIN
|
|
|
|
#if defined(NV_HAVE_EXECINFO_H)
|
|
|
|
static bool hasStackTrace() {
|
|
return true;
|
|
}
|
|
|
|
|
|
static void writeStackTrace(void * trace[], int size, int start, Array<const char *> & lines) {
|
|
StringBuilder builder(512);
|
|
char ** string_array = backtrace_symbols(trace, size);
|
|
|
|
for(int i = start; i < size-1; i++ ) {
|
|
// IC: Just in case.
|
|
if (string_array[i] == NULL || string_array[i][0] == '\0') break;
|
|
|
|
# if NV_CC_GNUC // defined(NV_HAVE_CXXABI_H)
|
|
// @@ Write a better parser for the possible formats.
|
|
char * begin = strchr(string_array[i], '(');
|
|
char * end = strrchr(string_array[i], '+');
|
|
char * module = string_array[i];
|
|
|
|
if (begin == 0 && end != 0) {
|
|
*(end - 1) = '\0';
|
|
begin = strrchr(string_array[i], ' ');
|
|
module = NULL; // Ignore module.
|
|
}
|
|
|
|
if (begin != 0 && begin < end) {
|
|
int stat;
|
|
*end = '\0';
|
|
*begin = '\0';
|
|
char * name = abi::__cxa_demangle(begin+1, 0, 0, &stat);
|
|
if (module == NULL) {
|
|
if (name == NULL || stat != 0) {
|
|
builder.format(" In: '%s'\n", begin+1);
|
|
}
|
|
else {
|
|
builder.format(" In: '%s'\n", name);
|
|
}
|
|
}
|
|
else {
|
|
if (name == NULL || stat != 0) {
|
|
builder.format(" In: [%s] '%s'\n", module, begin+1);
|
|
}
|
|
else {
|
|
builder.format(" In: [%s] '%s'\n", module, name);
|
|
}
|
|
}
|
|
free(name);
|
|
}
|
|
else {
|
|
builder.format(" In: '%s'\n", string_array[i]);
|
|
}
|
|
# else
|
|
builder.format(" In: '%s'\n", string_array[i]);
|
|
# endif
|
|
lines.append(builder.release());
|
|
}
|
|
|
|
free(string_array);
|
|
}
|
|
|
|
static void printStackTrace(void * trace[], int size, int start=0) {
|
|
nvDebug( "\nDumping stacktrace:\n" );
|
|
|
|
Array<const char *> lines;
|
|
writeStackTrace(trace, size, 1, lines);
|
|
|
|
for (uint i = 0; i < lines.count(); i++) {
|
|
nvDebug("%s", lines[i]);
|
|
delete lines[i];
|
|
}
|
|
|
|
nvDebug("\n");
|
|
}
|
|
|
|
#endif // defined(NV_HAVE_EXECINFO_H)
|
|
|
|
static void * callerAddress(void * secret)
|
|
{
|
|
#if NV_OS_DARWIN
|
|
# if defined(_STRUCT_MCONTEXT)
|
|
# if NV_CPU_PPC
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *) ucp->uc_mcontext->__ss.__srr0;
|
|
# elif NV_CPU_X86_64
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *) ucp->uc_mcontext->__ss.__rip;
|
|
# elif NV_CPU_X86
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *) ucp->uc_mcontext->__ss.__eip;
|
|
# elif NV_CPU_ARM
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *) ucp->uc_mcontext->__ss.__pc;
|
|
# else
|
|
# error "Unknown CPU"
|
|
# endif
|
|
# else
|
|
# if NV_CPU_PPC
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *) ucp->uc_mcontext->ss.srr0;
|
|
# elif NV_CPU_X86
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *) ucp->uc_mcontext->ss.eip;
|
|
# else
|
|
# error "Unknown CPU"
|
|
# endif
|
|
# endif
|
|
#elif NV_OS_FREEBSD
|
|
# if NV_CPU_X86_64
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *)ucp->uc_mcontext.mc_rip;
|
|
# elif NV_CPU_X86
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *)ucp->uc_mcontext.mc_eip;
|
|
# else
|
|
# error "Unknown CPU"
|
|
# endif
|
|
#elif NV_OS_OPENBSD
|
|
# if NV_CPU_X86_64
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *)ucp->sc_rip;
|
|
# elif NV_CPU_X86
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *)ucp->sc_eip;
|
|
# else
|
|
# error "Unknown CPU"
|
|
# endif
|
|
#else
|
|
# if NV_CPU_X86_64
|
|
// #define REG_RIP REG_INDEX(rip) // seems to be 16
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *)ucp->uc_mcontext.gregs[REG_RIP];
|
|
# elif NV_CPU_X86
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *)ucp->uc_mcontext.gregs[14/*REG_EIP*/];
|
|
# elif NV_CPU_PPC
|
|
ucontext_t * ucp = (ucontext_t *)secret;
|
|
return (void *) ucp->uc_mcontext.regs->nip;
|
|
# else
|
|
# error "Unknown CPU"
|
|
# endif
|
|
#endif
|
|
|
|
// How to obtain the instruction pointers in different platforms, from mlton's source code.
|
|
// http://mlton.org/
|
|
// OpenBSD && NetBSD
|
|
// ucp->sc_eip
|
|
// FreeBSD:
|
|
// ucp->uc_mcontext.mc_eip
|
|
// HPUX:
|
|
// ucp->uc_link
|
|
// Solaris:
|
|
// ucp->uc_mcontext.gregs[REG_PC]
|
|
// Linux hppa:
|
|
// uc->uc_mcontext.sc_iaoq[0] & ~0x3UL
|
|
// Linux sparc:
|
|
// ((struct sigcontext*) secret)->sigc_regs.tpc
|
|
// Linux sparc64:
|
|
// ((struct sigcontext*) secret)->si_regs.pc
|
|
|
|
// potentially correct for other archs:
|
|
// Linux alpha: ucp->m_context.sc_pc
|
|
// Linux arm: ucp->m_context.ctx.arm_pc
|
|
// Linux ia64: ucp->m_context.sc_ip & ~0x3UL
|
|
// Linux mips: ucp->m_context.sc_pc
|
|
// Linux s390: ucp->m_context.sregs->regs.psw.addr
|
|
}
|
|
|
|
static void nvSigHandler(int sig, siginfo_t *info, void *secret)
|
|
{
|
|
void * pnt = callerAddress(secret);
|
|
|
|
// Do something useful with siginfo_t
|
|
if (sig == SIGSEGV) {
|
|
if (pnt != NULL) nvDebug("Got signal %d, faulty address is %p, from %p\n", sig, info->si_addr, pnt);
|
|
else nvDebug("Got signal %d, faulty address is %p\n", sig, info->si_addr);
|
|
}
|
|
else if(sig == SIGTRAP) {
|
|
nvDebug("Breakpoint hit.\n");
|
|
}
|
|
else {
|
|
nvDebug("Got signal %d\n", sig);
|
|
}
|
|
|
|
#if defined(NV_HAVE_EXECINFO_H)
|
|
if (hasStackTrace()) // in case of weak linking
|
|
{
|
|
void * trace[64];
|
|
int size = backtrace(trace, 64);
|
|
|
|
if (pnt != NULL) {
|
|
// Overwrite sigaction with caller's address.
|
|
trace[1] = pnt;
|
|
}
|
|
|
|
printStackTrace(trace, size, 1);
|
|
}
|
|
#endif // defined(NV_HAVE_EXECINFO_H)
|
|
|
|
exit(0);
|
|
}
|
|
|
|
#endif // defined(NV_HAVE_SIGNAL_H)
|
|
|
|
|
|
|
|
#if NV_OS_WIN32 //&& NV_CC_MSVC
|
|
|
|
/** Win32 assert handler. */
|
|
struct Win32AssertHandler : public AssertHandler
|
|
{
|
|
// Flush the message queue. This is necessary for the message box to show up.
|
|
static void flushMessageQueue()
|
|
{
|
|
MSG msg;
|
|
while( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) ) {
|
|
//if( msg.message == WM_QUIT ) break;
|
|
TranslateMessage( &msg );
|
|
DispatchMessage( &msg );
|
|
}
|
|
}
|
|
|
|
// Assert handler method.
|
|
virtual int assertion(const char * exp, const char * file, int line, const char * func, const char * msg, va_list arg)
|
|
{
|
|
int ret = NV_ABORT_EXIT;
|
|
|
|
StringBuilder error_string;
|
|
error_string.format("*** Assertion failed: %s\n On file: %s\n On line: %d\n", exp, file, line );
|
|
if (func != NULL) {
|
|
error_string.appendFormat(" On function: %s\n", func);
|
|
}
|
|
if (msg != NULL) {
|
|
error_string.append(" Message: ");
|
|
va_list tmp;
|
|
va_copy(tmp, arg);
|
|
error_string.appendFormatList(msg, tmp);
|
|
va_end(tmp);
|
|
error_string.append("\n");
|
|
}
|
|
nvDebug( error_string.str() );
|
|
|
|
// Print stack trace:
|
|
debug::dumpInfo();
|
|
|
|
if (debug::isDebuggerPresent()) {
|
|
return NV_ABORT_DEBUG;
|
|
}
|
|
|
|
if (s_interactive) {
|
|
flushMessageQueue();
|
|
int action = MessageBoxA(NULL, error_string.str(), "Assertion failed", MB_ABORTRETRYIGNORE | MB_ICONERROR | MB_TOPMOST);
|
|
switch( action ) {
|
|
case IDRETRY:
|
|
ret = NV_ABORT_DEBUG;
|
|
break;
|
|
case IDIGNORE:
|
|
ret = NV_ABORT_IGNORE;
|
|
break;
|
|
case IDABORT:
|
|
default:
|
|
ret = NV_ABORT_EXIT;
|
|
break;
|
|
}
|
|
/*if( _CrtDbgReport( _CRT_ASSERT, file, line, module, exp ) == 1 ) {
|
|
return NV_ABORT_DEBUG;
|
|
}*/
|
|
}
|
|
|
|
if (ret == NV_ABORT_EXIT) {
|
|
// Exit cleanly.
|
|
exit(EXIT_FAILURE + 1);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
};
|
|
#elif NV_OS_XBOX
|
|
|
|
/** Xbox360 assert handler. */
|
|
struct Xbox360AssertHandler : public AssertHandler
|
|
{
|
|
// Assert handler method.
|
|
virtual int assertion(const char * exp, const char * file, int line, const char * func, const char * msg, va_list arg)
|
|
{
|
|
int ret = NV_ABORT_EXIT;
|
|
|
|
StringBuilder error_string;
|
|
if( func != NULL ) {
|
|
error_string.format( "*** Assertion failed: %s\n On file: %s\n On function: %s\n On line: %d\n ", exp, file, func, line );
|
|
nvDebug( error_string.str() );
|
|
}
|
|
else {
|
|
error_string.format( "*** Assertion failed: %s\n On file: %s\n On line: %d\n ", exp, file, line );
|
|
nvDebug( error_string.str() );
|
|
}
|
|
|
|
if (debug::isDebuggerPresent()) {
|
|
return NV_ABORT_DEBUG;
|
|
}
|
|
|
|
if( ret == NV_ABORT_EXIT ) {
|
|
// Exit cleanly.
|
|
exit(EXIT_FAILURE + 1);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
};
|
|
#elif NV_OS_ORBIS || NV_OS_DURANGO
|
|
|
|
/** Console assert handler. */
|
|
struct ConsoleAssertHandler : public AssertHandler
|
|
{
|
|
// Assert handler method.
|
|
virtual int assertion(const char * exp, const char * file, int line, const char * func, const char * msg, va_list arg)
|
|
{
|
|
if( func != NULL ) {
|
|
nvDebug( "*** Assertion failed: %s\n On file: %s\n On function: %s\n On line: %d\n ", exp, file, func, line );
|
|
}
|
|
else {
|
|
nvDebug( "*** Assertion failed: %s\n On file: %s\n On line: %d\n ", exp, file, line );
|
|
}
|
|
|
|
//SBtodoORBIS print stack trace
|
|
/*if (hasStackTrace())
|
|
{
|
|
void * trace[64];
|
|
int size = backtrace(trace, 64);
|
|
printStackTrace(trace, size, 2);
|
|
}*/
|
|
|
|
if (debug::isDebuggerPresent())
|
|
return NV_ABORT_DEBUG;
|
|
|
|
return NV_ABORT_IGNORE;
|
|
}
|
|
};
|
|
|
|
#else
|
|
|
|
/** Unix assert handler. */
|
|
struct UnixAssertHandler : public AssertHandler
|
|
{
|
|
// Assert handler method.
|
|
virtual int assertion(const char * exp, const char * file, int line, const char * func, const char * msg, va_list arg)
|
|
{
|
|
int ret = NV_ABORT_EXIT;
|
|
|
|
if( func != NULL ) {
|
|
nvDebug( "*** Assertion failed: %s\n On file: %s\n On function: %s\n On line: %d\n ", exp, file, func, line );
|
|
}
|
|
else {
|
|
nvDebug( "*** Assertion failed: %s\n On file: %s\n On line: %d\n ", exp, file, line );
|
|
}
|
|
|
|
#if _DEBUG
|
|
if (debug::isDebuggerPresent()) {
|
|
return NV_ABORT_DEBUG;
|
|
}
|
|
#endif
|
|
|
|
#if defined(NV_HAVE_EXECINFO_H)
|
|
if (hasStackTrace())
|
|
{
|
|
void * trace[64];
|
|
int size = backtrace(trace, 64);
|
|
printStackTrace(trace, size, 2);
|
|
}
|
|
#endif
|
|
|
|
if( ret == NV_ABORT_EXIT ) {
|
|
// Exit cleanly.
|
|
exit(EXIT_FAILURE + 1);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
#endif
|
|
|
|
} // namespace
|
|
|
|
|
|
/// Handle assertion through the assert handler.
|
|
int nvAbort(const char * exp, const char * file, int line, const char * func/*=NULL*/, const char * msg/*= NULL*/, ...)
|
|
{
|
|
#if NV_OS_WIN32 //&& NV_CC_MSVC
|
|
static Win32AssertHandler s_default_assert_handler;
|
|
#elif NV_OS_XBOX
|
|
static Xbox360AssertHandler s_default_assert_handler;
|
|
#elif NV_OS_ORBIS || NV_OS_DURANGO
|
|
static ConsoleAssertHandler s_default_assert_handler;
|
|
#else
|
|
static UnixAssertHandler s_default_assert_handler;
|
|
#endif
|
|
|
|
va_list arg;
|
|
va_start(arg,msg);
|
|
|
|
AssertHandler * handler = s_assert_handler != NULL ? s_assert_handler : &s_default_assert_handler;
|
|
int result = handler->assertion(exp, file, line, func, msg, arg);
|
|
|
|
va_end(arg);
|
|
|
|
return result;
|
|
}
|
|
|
|
// Abnormal termination. Create mini dump and output call stack.
|
|
void debug::terminate(int code)
|
|
{
|
|
#if NV_OS_WIN32 || NV_OS_DURANGO
|
|
EnterCriticalSection(&s_handler_critical_section);
|
|
|
|
writeMiniDump(NULL);
|
|
|
|
#if NV_OS_WIN32
|
|
const int max_stack_size = 64;
|
|
void * trace[max_stack_size];
|
|
int size = backtrace(trace, max_stack_size);
|
|
|
|
// @@ Use win32's CreateFile?
|
|
FILE * fp = fileOpen("crash.txt", "wb");
|
|
if (fp != NULL) {
|
|
Array<const char *> lines;
|
|
writeStackTrace(trace, size, 0, lines);
|
|
|
|
for (uint i = 0; i < lines.count(); i++) {
|
|
fputs(lines[i], fp);
|
|
delete lines[i];
|
|
}
|
|
|
|
// @@ Add more info to crash.txt?
|
|
|
|
fclose(fp);
|
|
}
|
|
#endif
|
|
|
|
LeaveCriticalSection(&s_handler_critical_section);
|
|
#endif
|
|
|
|
exit(code);
|
|
}
|
|
|
|
|
|
/// Shows a message through the message handler.
|
|
void NV_CDECL nvDebugPrint(const char *msg, ...)
|
|
{
|
|
va_list arg;
|
|
va_start(arg,msg);
|
|
if (s_message_handler != NULL) {
|
|
s_message_handler->log( msg, arg );
|
|
}
|
|
else {
|
|
vprintf(msg, arg);
|
|
}
|
|
va_end(arg);
|
|
}
|
|
|
|
|
|
/// Dump debug info.
|
|
void debug::dumpInfo()
|
|
{
|
|
#if (NV_OS_WIN32 && NV_CC_MSVC) || (defined(NV_HAVE_SIGNAL_H) && defined(NV_HAVE_EXECINFO_H))
|
|
if (hasStackTrace())
|
|
{
|
|
void * trace[64];
|
|
int size = backtrace(trace, 64);
|
|
|
|
nvDebug( "\nDumping stacktrace:\n" );
|
|
|
|
Array<const char *> lines;
|
|
writeStackTrace(trace, size, 1, lines);
|
|
|
|
for (uint i = 0; i < lines.count(); i++) {
|
|
nvDebug("%s", lines[i]);
|
|
delete lines[i];
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/// Dump callstack using the specified handler.
|
|
void debug::dumpCallstack(MessageHandler *messageHandler, int callstackLevelsToSkip /*= 0*/)
|
|
{
|
|
#if (NV_OS_WIN32 && NV_CC_MSVC) || (defined(NV_HAVE_SIGNAL_H) && defined(NV_HAVE_EXECINFO_H))
|
|
if (hasStackTrace())
|
|
{
|
|
void * trace[64];
|
|
int size = backtrace(trace, 64);
|
|
|
|
Array<const char *> lines;
|
|
writeStackTrace(trace, size, callstackLevelsToSkip + 1, lines); // + 1 to skip the call to dumpCallstack
|
|
|
|
for (uint i = 0; i < lines.count(); i++) {
|
|
messageHandler->log(lines[i], NULL);
|
|
delete lines[i];
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
/// Set the debug message handler.
|
|
void debug::setMessageHandler(MessageHandler * message_handler)
|
|
{
|
|
s_message_handler = message_handler;
|
|
}
|
|
|
|
/// Reset the debug message handler.
|
|
void debug::resetMessageHandler()
|
|
{
|
|
s_message_handler = NULL;
|
|
}
|
|
|
|
/// Set the assert handler.
|
|
void debug::setAssertHandler(AssertHandler * assert_handler)
|
|
{
|
|
s_assert_handler = assert_handler;
|
|
}
|
|
|
|
/// Reset the assert handler.
|
|
void debug::resetAssertHandler()
|
|
{
|
|
s_assert_handler = NULL;
|
|
}
|
|
|
|
#if NV_OS_WIN32 || NV_OS_DURANGO
|
|
#if NV_USE_SEPARATE_THREAD
|
|
|
|
static void initHandlerThread()
|
|
{
|
|
static const int kExceptionHandlerThreadInitialStackSize = 64 * 1024;
|
|
|
|
// Set synchronization primitives and the handler thread. Each
|
|
// ExceptionHandler object gets its own handler thread because that's the
|
|
// only way to reliably guarantee sufficient stack space in an exception,
|
|
// and it allows an easy way to get a snapshot of the requesting thread's
|
|
// context outside of an exception.
|
|
InitializeCriticalSection(&s_handler_critical_section);
|
|
|
|
s_handler_start_semaphore = CreateSemaphoreExW(NULL, 0, 1, NULL, 0,
|
|
SEMAPHORE_MODIFY_STATE | DELETE | SYNCHRONIZE);
|
|
nvDebugCheck(s_handler_start_semaphore != NULL);
|
|
|
|
s_handler_finish_semaphore = CreateSemaphoreExW(NULL, 0, 1, NULL, 0,
|
|
SEMAPHORE_MODIFY_STATE | DELETE | SYNCHRONIZE);
|
|
nvDebugCheck(s_handler_finish_semaphore != NULL);
|
|
|
|
// Don't attempt to create the thread if we could not create the semaphores.
|
|
if (s_handler_finish_semaphore != NULL && s_handler_start_semaphore != NULL) {
|
|
DWORD thread_id;
|
|
s_handler_thread = CreateThread(NULL, // lpThreadAttributes
|
|
kExceptionHandlerThreadInitialStackSize,
|
|
ExceptionHandlerThreadMain,
|
|
NULL, // lpParameter
|
|
0, // dwCreationFlags
|
|
&thread_id);
|
|
nvDebugCheck(s_handler_thread != NULL);
|
|
}
|
|
|
|
/* @@ We should avoid loading modules in the exception handler!
|
|
dbghelp_module_ = LoadLibrary(L"dbghelp.dll");
|
|
if (dbghelp_module_) {
|
|
minidump_write_dump_ = reinterpret_cast<MiniDumpWriteDump_type>(GetProcAddress(dbghelp_module_, "MiniDumpWriteDump"));
|
|
}
|
|
*/
|
|
}
|
|
|
|
static void shutHandlerThread() {
|
|
// @@ Free stuff. Terminate thread.
|
|
}
|
|
|
|
#endif // NV_USE_SEPARATE_THREAD
|
|
#endif // NV_OS_WIN32
|
|
|
|
|
|
// Enable signal handler.
|
|
void debug::enableSigHandler(bool interactive)
|
|
{
|
|
if (s_sig_handler_enabled) return;
|
|
|
|
s_sig_handler_enabled = true;
|
|
s_interactive = interactive;
|
|
|
|
#if (NV_OS_WIN32 && NV_CC_MSVC) || NV_OS_DURANGO
|
|
if (interactive) {
|
|
#if NV_OS_WIN32
|
|
// Do not display message boxes on error.
|
|
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms680621(v=vs.85).aspx
|
|
SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOGPFAULTERRORBOX|SEM_NOOPENFILEERRORBOX);
|
|
#endif
|
|
|
|
// CRT reports errors to debug output only.
|
|
// http://msdn.microsoft.com/en-us/library/1y71x448(v=vs.80).aspx
|
|
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_DEBUG);
|
|
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG);
|
|
_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG);
|
|
}
|
|
|
|
|
|
#if NV_USE_SEPARATE_THREAD
|
|
initHandlerThread();
|
|
#else
|
|
InitializeCriticalSection(&s_handler_critical_section);
|
|
#endif
|
|
|
|
s_old_exception_filter = ::SetUnhandledExceptionFilter( handleException );
|
|
|
|
#if _MSC_VER >= 1400 // MSVC 2005/8
|
|
_set_invalid_parameter_handler(handleInvalidParameter);
|
|
#endif // _MSC_VER >= 1400
|
|
|
|
_set_purecall_handler(handlePureVirtualCall);
|
|
|
|
#if NV_OS_WIN32
|
|
// SYMOPT_DEFERRED_LOADS make us not take a ton of time unless we actual log traces
|
|
SymSetOptions(SYMOPT_DEFERRED_LOADS|SYMOPT_FAIL_CRITICAL_ERRORS|SYMOPT_LOAD_LINES|SYMOPT_UNDNAME);
|
|
|
|
if (!SymInitialize(GetCurrentProcess(), NULL, TRUE)) {
|
|
DWORD error = GetLastError();
|
|
nvDebug("SymInitialize returned error : %d\n", error);
|
|
}
|
|
#endif
|
|
|
|
#elif !NV_OS_WIN32 && defined(NV_HAVE_SIGNAL_H)
|
|
|
|
// Install our signal handler
|
|
struct sigaction sa;
|
|
sa.sa_sigaction = nvSigHandler;
|
|
sigemptyset (&sa.sa_mask);
|
|
sa.sa_flags = SA_ONSTACK | SA_RESTART | SA_SIGINFO;
|
|
|
|
sigaction(SIGSEGV, &sa, &s_old_sigsegv);
|
|
sigaction(SIGTRAP, &sa, &s_old_sigtrap);
|
|
sigaction(SIGFPE, &sa, &s_old_sigfpe);
|
|
sigaction(SIGBUS, &sa, &s_old_sigbus);
|
|
|
|
#endif
|
|
}
|
|
|
|
/// Disable signal handler.
|
|
void debug::disableSigHandler()
|
|
{
|
|
nvCheck(s_sig_handler_enabled == true);
|
|
s_sig_handler_enabled = false;
|
|
|
|
#if (NV_OS_WIN32 && NV_CC_MSVC) || NV_OS_DURANGO
|
|
|
|
::SetUnhandledExceptionFilter( s_old_exception_filter );
|
|
s_old_exception_filter = NULL;
|
|
|
|
#if NV_OS_WIN32
|
|
SymCleanup(GetCurrentProcess());
|
|
#endif
|
|
|
|
#elif !NV_OS_WIN32 && defined(NV_HAVE_SIGNAL_H)
|
|
|
|
sigaction(SIGSEGV, &s_old_sigsegv, NULL);
|
|
sigaction(SIGTRAP, &s_old_sigtrap, NULL);
|
|
sigaction(SIGFPE, &s_old_sigfpe, NULL);
|
|
sigaction(SIGBUS, &s_old_sigbus, NULL);
|
|
|
|
#endif
|
|
}
|
|
|
|
|
|
bool debug::isDebuggerPresent()
|
|
{
|
|
#if NV_OS_WIN32
|
|
HINSTANCE kernel32 = GetModuleHandleA("kernel32.dll");
|
|
if (kernel32) {
|
|
FARPROC IsDebuggerPresent = GetProcAddress(kernel32, "IsDebuggerPresent");
|
|
if (IsDebuggerPresent != NULL && IsDebuggerPresent()) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
#elif NV_OS_XBOX
|
|
#ifdef _DEBUG
|
|
return DmIsDebuggerPresent() == TRUE;
|
|
#else
|
|
return false;
|
|
#endif
|
|
#elif NV_OS_ORBIS
|
|
#if PS4_FINAL_REQUIREMENTS
|
|
return false;
|
|
#else
|
|
return sceDbgIsDebuggerAttached() == 1;
|
|
#endif
|
|
#elif NV_OS_DURANGO
|
|
#if XB1_FINAL_REQUIREMENTS
|
|
return false;
|
|
#else
|
|
return IsDebuggerPresent() == TRUE;
|
|
#endif
|
|
#elif NV_OS_DARWIN
|
|
int mib[4];
|
|
struct kinfo_proc info;
|
|
size_t size;
|
|
mib[0] = CTL_KERN;
|
|
mib[1] = KERN_PROC;
|
|
mib[2] = KERN_PROC_PID;
|
|
mib[3] = getpid();
|
|
size = sizeof(info);
|
|
info.kp_proc.p_flag = 0;
|
|
sysctl(mib,4,&info,&size,NULL,0);
|
|
return ((info.kp_proc.p_flag & P_TRACED) == P_TRACED);
|
|
#else
|
|
// if ppid != sid, some process spawned our app, probably a debugger.
|
|
return getsid(getpid()) != getppid();
|
|
#endif
|
|
}
|
|
|
|
bool debug::attachToDebugger()
|
|
{
|
|
#if NV_OS_WIN32
|
|
if (isDebuggerPresent() == FALSE) {
|
|
Path process(1024);
|
|
process.copy("\"");
|
|
GetSystemDirectoryA(process.str() + 1, 1024 - 1);
|
|
|
|
process.appendSeparator();
|
|
|
|
process.appendFormat("VSJitDebugger.exe\" -p %lu", ::GetCurrentProcessId());
|
|
|
|
STARTUPINFOA sSi;
|
|
memset(&sSi, 0, sizeof(sSi));
|
|
|
|
PROCESS_INFORMATION sPi;
|
|
memset(&sPi, 0, sizeof(sPi));
|
|
|
|
BOOL b = CreateProcessA(NULL, process.str(), NULL, NULL, FALSE, 0, NULL, NULL, &sSi, &sPi);
|
|
if (b != FALSE) {
|
|
::WaitForSingleObject(sPi.hProcess, INFINITE);
|
|
|
|
DWORD dwExitCode;
|
|
::GetExitCodeProcess(sPi.hProcess, &dwExitCode);
|
|
if (dwExitCode != 0) //if exit code is zero, a debugger was selected
|
|
b = FALSE;
|
|
}
|
|
|
|
if (sPi.hThread != NULL) ::CloseHandle(sPi.hThread);
|
|
if (sPi.hProcess != NULL) ::CloseHandle(sPi.hProcess);
|
|
|
|
if (b == FALSE)
|
|
return false;
|
|
|
|
for (int i = 0; i < 5*60; i++) {
|
|
if (isDebuggerPresent())
|
|
break;
|
|
::Sleep(200);
|
|
}
|
|
}
|
|
#endif // NV_OS_WIN32
|
|
|
|
return true;
|
|
}
|