src/ktrace.c

   1 #include "ktrace.h"
   2
   3 void
   4 runtime_ktrace1(runtime_ktrace_code_t code)
   5 {
   6         void *ra = __builtin_extract_return_addr(__builtin_return_address(1));
   7
   8         /* This syscall returns EINVAL when the trace isn't enabled. */
   9         if (launchd_apple_internal) {
  10                 syscall(180, code, 0, 0, 0, (long)ra);
  11         }
  12 }
  13
  14 void
  15 runtime_ktrace0(runtime_ktrace_code_t code)
  16 {
  17         void *ra = __builtin_extract_return_addr(__builtin_return_address(0));
  18
  19         /* This syscall returns EINVAL when the trace isn't enabled. */
  20         if (launchd_apple_internal) {
  21                 syscall(180, code, 0, 0, 0, (long)ra);
  22         }
  23 }
  24
  25 void
  26 runtime_ktrace(runtime_ktrace_code_t code, long a, long b, long c)
  27 {
  28         void *ra = __builtin_extract_return_addr(__builtin_return_address(0));
  29
  30         /* This syscall returns EINVAL when the trace isn't enabled. */
  31         if (launchd_apple_internal) {
  32                 syscall(180, code, a, b, c, (long)ra);
  33         }
  34 }