/* Verify that unwinding can find SPE registers in signal frames.  *//* Origin: Joseph Myers <joseph@codesourcery.com> *//* { dg-do run { target { powerpc*-*-linux* && powerpc_spe } } } *//* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */#include <unwind.h>#include <stdlib.h>#include <signal.h>#include <string.h>int count;char *null;int found_reg;typedef int v2si __attribute__((__vector_size__(8)));v2si v1 = { 123, 234 };v2si v2 = { 345, 456 };static _Unwind_Reason_Codeforce_unwind_stop (int version, _Unwind_Action actions,                   _Unwind_Exception_Class exc_class,                   struct _Unwind_Exception *exc_obj,                   struct _Unwind_Context *context,                   void *stop_parameter){  unsigned int reg;  if (actions & _UA_END_OF_STACK)    abort ();  if (_Unwind_GetGR (context, 1215) == 123)    found_reg = 1;  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 ();}static void counter (void *p __attribute__((unused))){  ++count;}static void handler (void *p __attribute__((unused))){  if (count != 2)    abort ();  if (!found_reg)    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)));  /* Clobber high part without compiler's knowledge so the only saved     copy is from the signal frame.  */  asm volatile ("evmergelo 15,15,15");  fn5 ();  null = NULL;}static void fn3 (){  abort ();}static int __attribute__((noinline)) fn2 (){  register v2si r15 asm("r15");  r15 = v1;  asm volatile ("" : "+r" (r15));  *null = 0;  fn3 ();  return 0;}static int __attribute__((noinline)) fn1 (){  signal (SIGSEGV, fn4);  signal (SIGBUS, fn4);  fn2 ();  return 0;}static int __attribute__((noinline)) fn0 (){  char dummy __attribute__((cleanup (handler)));  fn1 ();  null = 0;  return 0;}int main(){   fn0 ();  abort ();}