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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [cleanup-9.c] - Rev 706
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/* { dg-do run { target hppa*-*-hpux* *-*-linux* powerpc*-*-darwin* *-*-darwin[912]* } } */ /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */ /* Verify that cleanups work with exception handling through realtime signal frames. */ #include <unwind.h> #include <stdlib.h> #include <signal.h> #include <string.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)); memset (&exc->exception_class, 0, sizeof (exc->exception_class)); 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, siginfo_t *info, void *ctx) { 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 () { struct sigaction s; sigemptyset (&s.sa_mask); s.sa_sigaction = fn4; s.sa_flags = SA_RESETHAND | SA_SIGINFO; sigaction (SIGSEGV, &s, NULL); sigaction (SIGBUS, &s, NULL); 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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