gcc/testsuite/gcc.dg/gcov-info-to-gcda.c

   1 /* { dg-do run { target *-*-linux* *-*-gnu* } } */
   2 /* { dg-options "-fprofile-arcs -fprofile-info-section" } */
   3
   4 #define assert(expr)                                            \
   5   ((expr)                                                       \
   6    ? (void)0                                                    \
   7    : (__builtin_printf ("%s:%i: Assertion `%s' failed.\n",      \
   8                         __FILE__, __LINE__, #expr),             \
   9       __builtin_abort ()))
  10
  11 struct gcov_info;
  12
  13 extern void
  14 __gcov_info_to_gcda (const struct gcov_info *__info,
  15                      void (*__filename_fn) (const char *, void *),
  16                      void (*__dump_fn) (const void *, unsigned, void *),
  17                      void *(*__allocate_fn) (unsigned, void *),
  18                      void *__arg);
  19
  20 extern void
  21 __gcov_filename_to_gcfn (const char *__filename,
  22                          void (*__dump_fn) (const void *, unsigned, void *),
  23                          void *__arg);
  24
  25 extern const struct gcov_info *my_info;
  26
  27 static unsigned counter;
  28
  29 static unsigned counter_after_filename;
  30
  31 static int check_zero;
  32
  33 static int check_after_filename;
  34
  35 static void
  36 dump (const void *d, unsigned n, void *arg)
  37 {
  38   unsigned *m = (unsigned *)arg;
  39   assert (arg == &counter);
  40
  41   if (*m == 0)
  42   {
  43     const unsigned *u = d;
  44     assert (*u == 0x6763666e);
  45     check_zero = 1;
  46   }
  47   else if (*m == counter_after_filename)
  48   {
  49     const unsigned *u = d;
  50     assert (*u == 0x67636461);
  51     check_after_filename = 1;
  52   }
  53
  54   *m += n;
  55 }
  56
  57 static void
  58 filename (const char *f, void *arg)
  59 {
  60   assert (arg == &counter);
  61   assert (__builtin_strstr (f, "gcov-info-to-gcda.c") == 0);
  62   __gcov_filename_to_gcfn (f, dump, arg);
  63   counter_after_filename = counter;
  64 }
  65
  66 static void *
  67 allocate (unsigned length, void *arg)
  68 {
  69   assert (arg == &counter);
  70   return __builtin_malloc (length);
  71 }
  72
  73 int main()
  74 {
  75   __asm__ volatile (".set my_info, .LPBX2");
  76   __gcov_info_to_gcda (my_info, filename, dump, allocate, &counter);
  77   assert (counter > 8);
  78   assert (check_zero);
  79   assert (check_after_filename);
  80   return 0;
  81 }