gcc/testsuite/gcc.target/ia64/visibility-1.c

   1 /* Test visibility attribute.  */
   2 /* { dg-do compile { target ia64*-*-linux* } } */
   3 /* { dg-options "-O2 -fpic" } */
   4 /* { dg-final { scan-assembler "\\.hidden.*variable_j" } } */
   5 /* { dg-final { scan-assembler "\\.hidden.*variable_m" } } */
   6 /* { dg-final { scan-assembler "\\.protected.*baz" } } */
   7 /* { dg-final { scan-assembler "gprel.*variable_i" } } */
   8 /* { dg-final { scan-assembler "gprel.*variable_j" } } */
   9 /* { dg-final { scan-assembler "ltoff.*variable_k" } } */
  10 /* { dg-final { scan-assembler "gprel.*variable_l" } } */
  11 /* { dg-final { scan-assembler "gprel.*variable_m" } } */
  12 /* { dg-final { scan-assembler "ltoff.*variable_n" } } */
  13
  14 static int variable_i __attribute__ ((used));
  15 int variable_j __attribute__((visibility ("hidden")));
  16 int variable_k;
  17 struct A { char a[64]; };
  18 static struct A variable_l __attribute__((used, section (".sbss")));
  19 struct A variable_m __attribute__((visibility ("hidden"), section(".sbss")));
  20 struct A variable_n __attribute__((section (".sbss")));
  21
  22 void foo (void)
  23 {
  24   variable_i = 0;
  25   variable_j = 0;
  26   variable_k = 0;
  27 }
  28
  29 void bar (void)
  30 {
  31   variable_l.a[10] = 0;
  32   variable_m.a[10] = 0;
  33   variable_n.a[10] = 0;
  34 }
  35
  36 void __attribute__((visibility ("protected"))) baz (void)
  37 {
  38 }