gcc/testsuite/gcc.dg/weak/weak-16.c

   1 /* From PR37280.  */
   2 /* { dg-do compile } */
   3 /* { dg-require-weak "" } */
   4 /* { dg-options "-fno-common -Os" } */
   5 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?kallsyms_token_index" } } */
   6 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?kallsyms_token_table" } } */
   7 /* { dg-skip-if "" { x86_64-*-mingw* } } */
   8 /* NVPTX's weak is applied to the definition,  not declaration.  */
   9 /* { dg-skip-if "" { nvptx-*-* } } */
  10
  11 extern int kallsyms_token_index[] __attribute__((weak));
  12 extern int kallsyms_token_table[] __attribute__((weak));
  13 void kallsyms_expand_symbol(int *result)
  14 {
  15   int len = *result;
  16   int *tptr;
  17   while(len) {
  18     tptr = &kallsyms_token_table[ kallsyms_token_index[*result] ];
  19     len--;
  20     while (*tptr) tptr++;
  21     *tptr = 1;
  22   }
  23  *result = 0;
  24 }