http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52123
--- Comment #15 from Cesar Strauss <cestrauss at gmail dot com> 2013-03-07
23:03:52 UTC ---
(In reply to comment #14)
> > I just tried out to bootstrap r196092 on mingw32. There is still one more
> > cast
> > patch missing to make it work for that target.
> >
> > diff -uart gcc-4.8.0-r196092/gcc/ada/seh_init.c gcc-4.8.0/gcc/ada/seh_init.c
> > --- gcc-4.8.0-r196092/gcc/ada/seh_init.c 2013-02-16 08:26:53 +0000
> > +++ gcc-4.8.0/gcc/ada/seh_init.c 2013-02-06 12:01:20 +0000
> > @@ -198,7 +198,7 @@
> > #endif
> >
> > Raise_From_Signal_Handler (exception, msg);
> > - return 0; /* This is never reached, avoid compiler warning */
> > + return (EXCEPTION_DISPOSITION)0; /* This is never reached, avoid compiler
> > warning */
> > }
> > #endif /* !(defined (_WIN64) && defined (__SEH__)) */
>
> That's ugly, please use ATTRIBUTE_NORETURN instead.
How about this (tested on i686-pc-mingw32):
Index: seh_init.c
===================================================================
--- seh_init.c (revision 196484)
+++ seh_init.c (working copy)
@@ -60,7 +60,8 @@ extern struct Exception_Data _abort_sign
#define Raise_From_Signal_Handler \
ada__exceptions__raise_from_signal_handler
-extern void Raise_From_Signal_Handler (struct Exception_Data *, const char *);
+extern void Raise_From_Signal_Handler (struct Exception_Data *, const char *)
+ ATTRIBUTE_NORETURN;
#if defined (_WIN32)
@@ -72,7 +73,8 @@ extern void Raise_From_Signal_Handler (s
extern void _global_unwind2 (void *);
EXCEPTION_DISPOSITION __gnat_SEH_error_handler
-(struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
+(struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*)
+ ATTRIBUTE_NORETURN;
struct Exception_Data *
__gnat_map_SEH (EXCEPTION_RECORD* ExceptionRecord, const char **msg);
@@ -198,7 +200,6 @@ __gnat_SEH_error_handler (struct _EXCEPT
#endif
Raise_From_Signal_Handler (exception, msg);
- return 0; /* This is never reached, avoid compiler warning */
}
#endif /* !(defined (_WIN64) && defined (__SEH__)) */
