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Gentoo's Bugzilla – Attachment 54233 Details for
Bug 86384
gcc-3.4.3.20050110-r1: installation fails with maketest FEATURES
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cleanup-8c generated during maketest
cleanup-8.c (text/plain), 1.84 KB, created by
Stephen Torri
on 2005-03-23 06:19:51 UTC
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Description:
cleanup-8c generated during maketest
Filename:
MIME Type:
Creator:
Stephen Torri
Created:
2005-03-23 06:19:51 UTC
Size:
1.84 KB
patch
obsolete
>/* { dg-do run { target i?86-*-linux* x86_64-*-linux* ia64-*-linux* alpha*-*-linux* powerpc*-*-linux* s390*-*-linux* sparc*-*-linux* } } */ >/* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */ >/* Verify that cleanups work with exception handling through signal > frames. */ > >#include <unwind.h> >#include <stdlib.h> >#include <signal.h> > >static _Unwind_Reason_Code >force_unwind_stop (int version, _Unwind_Action actions, > _Unwind_Exception_Class exc_class, > struct _Unwind_Exception *exc_obj, > struct _Unwind_Context *context, > void *stop_parameter) >{ > if (actions & _UA_END_OF_STACK) > abort (); > return _URC_NO_REASON; >} > >static void force_unwind () >{ > struct _Unwind_Exception *exc = malloc (sizeof (*exc)); > exc->exception_class = 0; > exc->exception_cleanup = 0; > >#ifndef __USING_SJLJ_EXCEPTIONS__ > _Unwind_ForcedUnwind (exc, force_unwind_stop, 0); >#else > _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0); >#endif > > abort (); >} > >int count; >char *null; > >static void counter (void *p __attribute__((unused))) >{ > ++count; >} > >static void handler (void *p __attribute__((unused))) >{ > if (count != 2) > abort (); > exit (0); >} > >static int __attribute__((noinline)) fn5 () >{ > char dummy __attribute__((cleanup (counter))); > force_unwind (); > return 0; >} > >static void fn4 (int sig) >{ > char dummy __attribute__((cleanup (counter))); > fn5 (); > null = NULL; >} > >static void fn3 () >{ > abort (); >} > >static int __attribute__((noinline)) fn2 () >{ > *null = 0; > fn3 (); > return 0; >} > >static int __attribute__((noinline)) fn1 () >{ > signal (SIGSEGV, fn4); > fn2 (); > return 0; >} > >static int __attribute__((noinline)) fn0 () >{ > char dummy __attribute__((cleanup (handler))); > fn1 (); > null = 0; > return 0; >} > >int main() >{ > fn0 (); > abort (); >}
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