gdb/testsuite/gdb.base/endianity.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 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 /* This tests the handling of dwarf attributes:
  19     DW_AT_endianity, DW_END_big, and DW_END_little.  */
  20 struct otherendian
  21 {
  22   int v;
  23   short w;
  24   unsigned x : 3;
  25   float f;
  26   __complex__ float cplx;
  27   double d;
  28 }
  29 #if defined __GNUC__ && (__GNUC__ >= 6)
  30 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  31 __attribute__( ( scalar_storage_order( "big-endian" ) ) )
  32 #else
  33 __attribute__( ( scalar_storage_order( "little-endian" ) ) )
  34 #endif
  35 #endif
  36 ;
  37
  38 void
  39 do_nothing (struct otherendian *c)
  40 {
  41 }
  42
  43 int
  44 main (void)
  45 {
  46   struct otherendian o = {3, 2, 7, 23.5, 1.25 + 7.25i, 75};
  47
  48   do_nothing (&o); /* START */
  49 }