gcc/testsuite/gcc.dg/weak/weak-5.c

   1 /* { dg-do compile } */
   2 /* { dg-require-weak "" } */
   3 /* { dg-require-alias "" } */
   4 /* { dg-options "-fno-common" } */
   5 /* { dg-skip-if "" { x86_64-*-mingw* } { "*" } { "" } } */
   6
   7 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1a" } } */
   8 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1b" } } */
   9 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1c" } } */
  10 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1d" } } */
  11 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1e" } } */
  12 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1f" } } */
  13 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1g" } } */
  14 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1h" } } */
  15 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1i" } } */
  16 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1j" } } */
  17 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1k" } } */
  18 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?vfoo1l" } } */
  19
  20 /* test variable addresses with __attribute__ ((weak)) */
  21
  22 extern int vfoo1a __attribute__((weak));
  23 extern int vfoo1a;
  24 void * foo1a (void)
  25 {
  26   return (void *)&vfoo1a;
  27 }
  28
  29
  30 extern int vfoo1b;
  31 extern int vfoo1b __attribute__((weak));
  32 void * foo1b (void)
  33 {
  34   return (void *)&vfoo1b;
  35 }
  36
  37
  38 extern int vfoo1c;
  39 void * foo1c (void)
  40 {
  41   return (void *)&vfoo1c;
  42 }
  43 extern int vfoo1c __attribute__((weak));
  44
  45
  46 extern int vfoo1d __attribute__((weak));
  47 int vfoo1d;
  48 void * foo1d (void)
  49 {
  50   return (void *)&vfoo1d;
  51 }
  52
  53
  54 int vfoo1e;
  55 extern int vfoo1e __attribute__((weak));
  56 void * foo1e (void)
  57 {
  58   return (void *)&vfoo1e;
  59 }
  60
  61
  62 int vfoo1f;
  63 void * foo1f (void)
  64 {
  65   return (void *)&vfoo1f;
  66 }
  67 extern int vfoo1f __attribute__((weak));
  68
  69
  70 extern int vfoo1g;
  71 void * foo1g (void)
  72 {
  73   return (void *)&vfoo1g;
  74 }
  75 int vfoo1g __attribute__((weak));
  76
  77
  78 extern int vfoo1h __attribute__((weak));
  79 void * foo1h (void)
  80 {
  81   return (void *)&vfoo1h;
  82 }
  83 extern int vfoo1h __attribute__((weak));
  84 int vfoo1h;
  85
  86
  87 extern int vfoo1i __attribute__((weak));
  88 void * foo1i (void)
  89 {
  90   return (void *)&vfoo1i;
  91 }
  92 extern int vfoo1i __attribute__((weak));
  93 extern int vfoo1i;
  94
  95
  96 extern int vfoo1j __attribute__((weak));
  97 void * foo1j (void)
  98 {
  99   return (void *)&vfoo1j;
 100 }
 101 extern int vfoo1j;
 102 extern int vfoo1j __attribute__((weak));
 103
 104
 105 extern int vfoo1k __attribute__((weak));
 106 int vfoo1k = 1;
 107
 108
 109 int vfoox1l = 1;
 110 extern int vfoo1l __attribute__((weak, alias ("vfoox1l")));