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Commit 3ace88ec authored by Geoffroy Couprie's avatar Geoffroy Couprie
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Win32: generate crashdumps everytime except if a debugger is present

parent 7986cb4a
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Showing with 70 additions and 62 deletions
bin/winvlc.c
View file @ 3ace88ec
......@@ -35,7 +35,7 @@
#include <stdlib.h>
#include <windows.h>
#if !defined(UNDER_CE) && defined ( NDEBUG )
#if !defined(UNDER_CE)
# define _WIN32_IE 0x500
# include <shlobj.h>
# include <tlhelp32.h>
......@@ -137,7 +137,7 @@ int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
libvlc_exception_init (&ex);
libvlc_exception_init (&dummy);
#if !defined( UNDER_CE ) && defined ( NDEBUG )
#if !defined( UNDER_CE )
check_crashdump();
SetUnhandledExceptionFilter(vlc_exception_filter);
#endif
......@@ -164,7 +164,7 @@ int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
return ret;
}
#if !defined( UNDER_CE ) && defined ( NDEBUG )
#if !defined( UNDER_CE )
static void get_crashdump_path(wchar_t * wdir)
{
......@@ -223,74 +223,82 @@ static void check_crashdump()
*****************************************************************************/
LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
{
fprintf( stderr, "unhandled vlc exception\n" );
wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
get_crashdump_path(wdir);
FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
free((void *)wdir);
if( !fd )
if(IsDebuggerPresent())
{
fprintf( stderr, "\nerror while opening file" );
exit( 1 );
//If a debugger is present, pass the exception to the debugger with EXCEPTION_CONTINUE_SEARCH
return EXCEPTION_CONTINUE_SEARCH;
}
OSVERSIONINFO osvi;
ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
GetVersionEx( &osvi );
fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
osvi.dwMinorVersion,
osvi.dwBuildNumber,
osvi.dwPlatformId,
osvi.szCSDVersion);
const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
/*No nested exceptions for now*/
fwprintf( fd, L"\n\n[exceptions]\n%08x at %08x",pException->ExceptionCode,
pException->ExceptionAddress );
if( pException->NumberParameters > 0 )
else
{
unsigned int i;
for( i = 0; i < pException->NumberParameters; i++ )
fprintf( fd, " | %08x", pException->ExceptionInformation[i] );
}
fprintf( stderr, "unhandled vlc exception\n" );
fwprintf( fd, L"\n\n[context]\nEDI:%08x\nESI:%08x\n" \
"EBX:%08x\nEDX:%08x\nECX:%08x\nEAX:%08x\n" \
"EBP:%08x\nEIP:%08x\nESP:%08x\n",
pContext->Edi,pContext->Esi,pContext->Ebx,
pContext->Edx,pContext->Ecx,pContext->Eax,
pContext->Ebp,pContext->Eip,pContext->Esp );
wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
get_crashdump_path(wdir);
FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
free((void *)wdir);
if( !fd )
{
fprintf( stderr, "\nerror while opening file" );
exit( 1 );
}
fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
OSVERSIONINFO osvi;
ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
GetVersionEx( &osvi );
fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
osvi.dwMinorVersion,
osvi.dwBuildNumber,
osvi.dwPlatformId,
osvi.szCSDVersion);
const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
/*No nested exceptions for now*/
fwprintf( fd, L"\n\n[exceptions]\n%08x at %08x",pException->ExceptionCode,
pException->ExceptionAddress );
if( pException->NumberParameters > 0 )
{
unsigned int i;
for( i = 0; i < pException->NumberParameters; i++ )
fprintf( fd, " | %08x", pException->ExceptionInformation[i] );
}
wchar_t module[ 256 ];
MEMORY_BASIC_INFORMATION mbi ;
VirtualQuery( (DWORD *)pContext->Eip, &mbi, sizeof( mbi ) ) ;
HINSTANCE hInstance = mbi.AllocationBase;
GetModuleFileName( hInstance, module, 256 ) ;
fwprintf( fd, L"%08x|%s\n", pContext->Eip, module );
fwprintf( fd, L"\n\n[context]\nEDI:%08x\nESI:%08x\n" \
"EBX:%08x\nEDX:%08x\nECX:%08x\nEAX:%08x\n" \
"EBP:%08x\nEIP:%08x\nESP:%08x\n",
pContext->Edi,pContext->Esi,pContext->Ebx,
pContext->Edx,pContext->Ecx,pContext->Eax,
pContext->Ebp,pContext->Eip,pContext->Esp );
DWORD pEbp = pContext->Ebp;
DWORD caller = *((DWORD*)pEbp + 1);
fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
do
{
VirtualQuery( (DWORD *)caller, &mbi, sizeof( mbi ) ) ;
wchar_t module[ 256 ];
MEMORY_BASIC_INFORMATION mbi ;
VirtualQuery( (DWORD *)pContext->Eip, &mbi, sizeof( mbi ) ) ;
HINSTANCE hInstance = mbi.AllocationBase;
GetModuleFileName( hInstance, module, 256 ) ;
fwprintf( fd, L"%08x|%s\n", caller, module );
pEbp = *(DWORD*)pEbp ;
caller = *((DWORD*)pEbp + 1) ;
/*The last EBP points to NULL!*/
}while(caller);
fclose( fd );
fflush( stderr );
exit( 1 );
fwprintf( fd, L"%08x|%s\n", pContext->Eip, module );
DWORD pEbp = pContext->Ebp;
DWORD caller = *((DWORD*)pEbp + 1);
do
{
VirtualQuery( (DWORD *)caller, &mbi, sizeof( mbi ) ) ;
HINSTANCE hInstance = mbi.AllocationBase;
GetModuleFileName( hInstance, module, 256 ) ;
fwprintf( fd, L"%08x|%s\n", caller, module );
pEbp = *(DWORD*)pEbp ;
caller = *((DWORD*)pEbp + 1) ;
/*The last EBP points to NULL!*/
}while(caller);
fclose( fd );
fflush( stderr );
exit( 1 );
}
}
#endif
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