28 #include "runtime/thread.inline.hpp"
  29 
  30 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is
  31 // currently interrupted by SIGPROF
  32 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,
  33   void* ucontext, bool isInJava) {
  34   assert(Thread::current() == this, "caller must be current thread");
  35   return pd_get_top_frame(fr_addr, ucontext, isInJava);
  36 }
  37 
  38 bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava) {
  39   return pd_get_top_frame(fr_addr, ucontext, isInJava);
  40 }
  41 
  42 bool JavaThread::pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava) {
  43   assert(this->is_Java_thread(), "must be JavaThread");
  44   JavaThread* jt = (JavaThread *)this;
  45 
  46   // If we have a last_Java_frame, then we should use it even if
  47   // isInJava == true.  It should be more reliable than ucontext info.
  48   if (jt->has_last_Java_frame()) {
  49     *fr_addr = jt->pd_last_frame();
  50     return true;
  51   }
  52 
  53   // At this point, we don't have a last_Java_frame, so
  54   // we try to glean some information out of the ucontext
  55   // if we were running Java code when SIGPROF came in.
  56   if (isInJava) {
  57     ucontext_t* uc = (ucontext_t*) ucontext;
  58 
  59     intptr_t* ret_fp;
  60     intptr_t* ret_sp;
  61     ExtendedPC addr = os::Bsd::fetch_frame_from_ucontext(this, uc,
  62       &ret_sp, &ret_fp);
  63     if (addr.pc() == NULL || ret_sp == NULL ) {
  64       // ucontext wasn't useful
  65       return false;
  66     }
  67 
  68 #if INCLUDE_CDS

  28 #include "runtime/thread.inline.hpp"
  29 
  30 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is
  31 // currently interrupted by SIGPROF
  32 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,
  33   void* ucontext, bool isInJava) {
  34   assert(Thread::current() == this, "caller must be current thread");
  35   return pd_get_top_frame(fr_addr, ucontext, isInJava);
  36 }
  37 
  38 bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava) {
  39   return pd_get_top_frame(fr_addr, ucontext, isInJava);
  40 }
  41 
  42 bool JavaThread::pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava) {
  43   assert(this->is_Java_thread(), "must be JavaThread");
  44   JavaThread* jt = (JavaThread *)this;
  45 
  46   // If we have a last_Java_frame, then we should use it even if
  47   // isInJava == true.  It should be more reliable than ucontext info.
  48   if (jt->has_last_Java_frame() && jt->frame_anchor()->walkable()) {
  49     *fr_addr = jt->pd_last_frame();
  50     return true;
  51   }
  52 
  53   // At this point, we don't have a last_Java_frame, so
  54   // we try to glean some information out of the ucontext
  55   // if we were running Java code when SIGPROF came in.
  56   if (isInJava) {
  57     ucontext_t* uc = (ucontext_t*) ucontext;
  58 
  59     intptr_t* ret_fp;
  60     intptr_t* ret_sp;
  61     ExtendedPC addr = os::Bsd::fetch_frame_from_ucontext(this, uc,
  62       &ret_sp, &ret_fp);
  63     if (addr.pc() == NULL || ret_sp == NULL ) {
  64       // ucontext wasn't useful
  65       return false;
  66     }
  67 
  68 #if INCLUDE_CDS