runtime/platform/openbsd.c

   1 #include "platform.h"
   2
   3 #include "diskBack.unix.c"
   4 #include "displayMem.proc.c"
   5 #include "mmap-protect.c"
   6 #include "nonwin.c"
   7 #include "sysctl.c"
   8 #include "use-mmap.c"
   9
  10 static void catcher (__attribute__ ((unused)) int signo,
  11                      __attribute__ ((unused)) siginfo_t* info,
  12                      void* context) {
  13         ucontext_t* ucp = (ucontext_t*)context;
  14
  15 #if (defined (__x86_64__))
  16         GC_handleSigProf ((code_pointer) ucp->sc_rip);
  17 #elif (defined (__i386__))
  18         GC_handleSigProf ((code_pointer) ucp->sc_eip);
  19 #else
  20 #error Profiling handler is missing for this architecture
  21 #endif
  22
  23 }
  24
  25 void GC_setSigProfHandler (struct sigaction *sa) {
  26         sa->sa_flags = SA_ONSTACK | SA_RESTART | SA_SIGINFO;
  27         sa->sa_sigaction = (void (*)(int, siginfo_t*, void*))catcher;
  28 }