gdb/testsuite/gdb.cell/ea-cache-spu.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2009-2019 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18    Contributed by Markus Deuling <deuling@de.ibm.com>  */
  19
  20 #include <stdio.h>
  21 #include <spu_mfcio.h>
  22
  23 __ea int *ppe_int_ptr;
  24
  25 int
  26 main (unsigned long long speid, unsigned long long argp,
  27       unsigned long long envp)
  28 {
  29   printf ("spe.c | argp = 0x%llx\n", argp);
  30
  31 #ifdef __EA32__
  32   ppe_int_ptr = (__ea int *)(unsigned long)argp;
  33 #else
  34   ppe_int_ptr = (__ea int *)argp;
  35 #endif
  36   printf ("spe.c | value = %d\n", *ppe_int_ptr);
  37   *ppe_int_ptr = 42; /* Marker SPUEA */
  38   printf ("spe.c | value = %d\n", *ppe_int_ptr);
  39
  40   return 0;
  41 }