diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/eh/forced1.C')
-rw-r--r-- | gcc/testsuite/g++.dg/eh/forced1.C | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/eh/forced1.C b/gcc/testsuite/g++.dg/eh/forced1.C new file mode 100644 index 000000000..b0200813e --- /dev/null +++ b/gcc/testsuite/g++.dg/eh/forced1.C @@ -0,0 +1,82 @@ +// HP-UX libunwind.so doesn't provide _UA_END_OF_STACK. +// { dg-do run { xfail "ia64-hp-hpux11.*" } } + +// Test that forced unwinding runs all cleanups. Also tests that +// rethrowing doesn't call the exception object destructor. + +#include <unwind.h> +#include <stdlib.h> +#include <string.h> + +static int test = 0; + +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) + { + if (test != 15) + abort (); + exit (0); + } + + return _URC_NO_REASON; +} + +static void +force_unwind_cleanup (_Unwind_Reason_Code, struct _Unwind_Exception *) +{ + abort (); +} + +static void force_unwind () +{ + _Unwind_Exception *exc = new _Unwind_Exception; + // exception_class might not be a scalar. + memset (&exc->exception_class, 0, sizeof (exc->exception_class)); + exc->exception_cleanup = force_unwind_cleanup; + +#ifndef __USING_SJLJ_EXCEPTIONS__ + _Unwind_ForcedUnwind (exc, force_unwind_stop, 0); +#else + _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0); +#endif + + abort (); +} + +struct S +{ + int bit; + S(int b) : bit(b) { } + ~S() { test |= bit; } +}; + +static __attribute__ ((noinline)) void doit () +{ + try { + S four(4); + + try { + S one(1); + force_unwind (); + } catch(...) { + test |= 2; + throw; + } + + } catch(...) { + test |= 8; + throw; + } +} + +int main() +{ + doit (); + abort (); +} |