bfin-4845/trace.i.8

   1 int test_bit(int nr, const void *addr)
   2 {
   3         int *a;
   4         int mask;
   5         int nr_5;
   6         int nr_1f;
   7         a = (int *)addr;
   8         nr_5 = nr >> 5;
   9         a += nr_5;
  10         nr_1f = nr & 0x1f;
  11         mask = 1 << nr_1f;
  12         if (mask & *a)
  13                 return 1;
  14         else
  15                 return 0;
  16 }
  17
  18 struct {
  19         struct { int disabled; } *data[1];
  20 } global_trace;
  21
  22 struct {
  23         unsigned long bits[1];
  24 } tracing_cpumask;
  25
  26 foo()
  27 {
  28         int cpu;
  29         for (cpu = 0; cpu < 1; cpu++) {
  30                 if (test_bit(cpu, tracing_cpumask.bits))
  31                         inc(&global_trace.data[cpu]->disabled);
  32                 if (!test_bit(cpu, tracing_cpumask.bits))
  33                         dec(&global_trace.data[cpu]->disabled);
  34         }
  35 }