gcc/testsuite/gcc.target/powerpc/unwind-backchain.c

   1 /* -linux* targets have a fallback for the absence of unwind tables, thus are
   2    the only ones we can guarantee backtrace returns all addresses.  */
   3 /* { dg-do run { target { *-*-linux* } } } */
   4 /* { dg-options "-fno-asynchronous-unwind-tables" } */
   5
   6 #include <execinfo.h>
   7
   8 void
   9 test_backtrace()
  10 {
  11   int addresses;
  12   void *buffer[10];
  13
  14   addresses = backtrace(buffer, 10);
  15   if(addresses != 4)
  16     __builtin_abort();
  17 }
  18
  19 int
  20 main()
  21 {
  22   test_backtrace();
  23   return 0;
  24 }