gcc/testsuite/gcc.dg/pr87793.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "No section attribute" { { hppa*-*-hpux* } && { ! lp64 } } } */
   3 /* { dg-options "-fpic -Os -g" } */
   4 /* { dg-require-effective-target fpic } */
   5
   6 struct fit_loadable_tbl {
   7         int type;
   8         void (*handler)(int data, int size);
   9 };
  10
  11 #define ll_entry_start(_type, _list)                                    \
  12 ({                                                                      \
  13         static char start[0] __attribute__((aligned(4)))                \
  14                 __attribute__((unused, section(".u_boot_list_2_"#_list"_1")));  \
  15         (_type *)&start;                                                \
  16 })
  17
  18 #define ll_entry_end(_type, _list)                                      \
  19 ({                                                                      \
  20         static char end[0] __attribute__((aligned(4)))                  \
  21                 __attribute__((unused, section(".u_boot_list_2_"#_list"_3")));  \
  22         (_type *)&end;                                                  \
  23 })
  24
  25 #define ll_entry_count(_type, _list)                                    \
  26         ({                                                              \
  27                 _type *start = ll_entry_start(_type, _list);            \
  28                 _type *end = ll_entry_end(_type, _list);                \
  29                 unsigned int _ll_result = end - start;                  \
  30                 _ll_result;                                             \
  31         })
  32
  33 void test(int img_type, int img_data, int img_len)
  34 {
  35         int i;
  36         const unsigned int count =
  37                 ll_entry_count(struct fit_loadable_tbl, fit_loadable);
  38         struct fit_loadable_tbl *fit_loadable_handler =
  39                 ll_entry_start(struct fit_loadable_tbl, fit_loadable);
  40
  41         for (i = 0; i < count; i++, fit_loadable_handler++)
  42                 if (fit_loadable_handler->type == img_type)
  43                         fit_loadable_handler->handler(img_data, img_len);
  44 }