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added global unhandled exception filter in win32

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This commit is contained in:
hyunghwan.chung 2018-11-26 07:43:04 +00:00
parent eff7ad9c74
commit 55b259cc4f
1 changed files with 102 additions and 0 deletions
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102
moo/lib/std.c
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@ -37,6 +37,7 @@
#if defined(_WIN32)
# include <windows.h>
# include <psapi.h>
# include <tchar.h>
# include <time.h>
# include <io.h>
@ -2754,6 +2755,17 @@ static int msw_tick_done = 0;
static DWORD WINAPI msw_wait_for_timer_event (LPVOID ctx)
{
/* I don't think i need to use the waiting timer for this.
* a simple loop with sleep inside should also work as i don't do anything
* special except waiting for timer expiry.
* while (!msw_tick_done)
* {
* Sleep (...);
* swproc_all_moos();
* }
* but never mind for now. let's do it the hard way.
*/
msw_tick_timer = CreateWaitableTimer(MOO_NULL, FALSE, MOO_NULL);
if (msw_tick_timer)
{
@ -2987,6 +2999,92 @@ static MOO_INLINE void stop_ticker (void)
# error UNSUPPORTED
#endif
/* ========================================================================= */
#if defined(_WIN32)
static const wchar_t* msw_exception_name (DWORD excode)
{
switch (excode)
{
case EXCEPTION_ACCESS_VIOLATION: return L"Access violation exception";
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: return L"Array bounds exceeded";
case EXCEPTION_BREAKPOINT: return L"Breakpoint";
case EXCEPTION_DATATYPE_MISALIGNMENT: return L"Float datatype misalignment";
case EXCEPTION_FLT_DENORMAL_OPERAND: return L"Float denormal operand";
case EXCEPTION_FLT_DIVIDE_BY_ZERO: return L"Float divide by zero";
case EXCEPTION_FLT_INEXACT_RESULT: return L"Float inexact result";
case EXCEPTION_FLT_OVERFLOW: return L"Float overflow";
case EXCEPTION_FLT_STACK_CHECK: return L"Float stack check";
case EXCEPTION_FLT_UNDERFLOW: return L"Float underflow";
case EXCEPTION_ILLEGAL_INSTRUCTION: return L"Illegal instruction";
case EXCEPTION_IN_PAGE_ERROR: return L"In page error";
case EXCEPTION_INT_DIVIDE_BY_ZERO: return L"Integer divide by zero";
case EXCEPTION_INT_OVERFLOW: return L"Integer overflow";
case EXCEPTION_INVALID_DISPOSITION: return L"Invalid disposition";
case EXCEPTION_NONCONTINUABLE_EXCEPTION: return L"Noncontinuable exception";
case EXCEPTION_PRIV_INSTRUCTION: return L"Priv instruction";
case EXCEPTION_SINGLE_STEP: return L"Single step";
case EXCEPTION_STACK_OVERFLOW: return L"Stack overflow";
default: return L"Unknown exception";
}
}
static const wchar_t* msw_exception_opname (const ULONG opcode)
{
switch (opcode)
{
case 0: return L"Read attempt from inaccessible data";
case 1: return L"Write attempt to inaccessible data";
case 8: return L"User-mode data execution prevention violation";
default: return L"Unknown exception operation";
}
}
static LONG WINAPI msw_exception_filter (struct _EXCEPTION_POINTERS* exinfo)
{
HMODULE mod;
MODULEINFO modinfo;
DWORD excode;
static wchar_t exmsg[256];
static wchar_t expath[128];
#if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0501)
GetModuleHandleExW (GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, exinfo->ExceptionRecord->ExceptionAddress, &mod);
//GetModuleInformation (GetCurrentProcess(), mod, &modinfo, MOO_SIZEOF(modinfo));
GetModuleFileNameExW (GetCurrentProcess(), mod, expath, MOO_SIZEOF(expath));
#else
GetModuleFileNameW (MOO_NULL, expath, MOO_SIZEOF(expath));
#endif
excode = exinfo->ExceptionRecord->ExceptionCode;
if (excode == EXCEPTION_BREAKPOINT) return EXCEPTION_CONTINUE_SEARCH;
if (excode == EXCEPTION_ACCESS_VIOLATION || excode == EXCEPTION_IN_PAGE_ERROR)
{
_snwprintf (exmsg, MOO_COUNTOF(exmsg), L"Exception %s(%u) at 0x%p - Invalid operation at 0x%p - %s",
msw_exception_name(excode), (unsigned int)excode,
exinfo->ExceptionRecord->ExceptionAddress,
(PVOID)exinfo->ExceptionRecord->ExceptionInformation[1],
msw_exception_opname(exinfo->ExceptionRecord->ExceptionInformation[0])
);
}
else
{
_snwprintf (exmsg, MOO_COUNTOF(exmsg), L"Exception %s(%u) at 0x%p",
msw_exception_name(excode), (unsigned int)excode,
exinfo->ExceptionRecord->ExceptionAddress
);
}
/* TODO: use a global output callback like vmprim.assertfail().
* vmprim.assertfail() requires 'moo'. so i need another global level callback for this */
MessageBoxW (NULL, exmsg, expath, MB_OK | MB_ICONERROR);
/*return EXCEPTION_CONTINUE_SEARCH;*/
/*return EXCEPTION_CONTINUE_EXECUTION;*/
return EXCEPTION_EXECUTE_HANDLER;
}
#endif
/* ========================================================================= */
static struct
@ -3403,6 +3501,10 @@ static void fini_moo (moo_t* moo)
return MOO_NULL;
}
#if defined(_WIN32)
SetUnhandledExceptionFilter (msw_exception_filter);
#endif
return moo;
}