gnu/dist/gcc4/gcc/testsuite/gcc.dg/weak/weak-4.c

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