src/hotspot/share/jfr/periodic/sampling/jfrCallTrace.cpp

*** 1,7 ****
  /*
!  * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 35,45 ****
  
  bool JfrGetCallTrace::find_top_frame(frame& top_frame, Method** method, frame& first_frame) {
    assert(top_frame.cb() != NULL, "invariant");
    RegisterMap map(_thread, false);
    frame candidate = top_frame;
!   for (int i = 0; i < MaxJavaStackTraceDepth * 2; ++i) {
      if (candidate.is_entry_frame()) {
        JavaCallWrapper *jcw = candidate.entry_frame_call_wrapper_if_safe(_thread);
        if (jcw == NULL || jcw->is_first_frame()) {
          return false;
        }
--- 35,45 ----
  
  bool JfrGetCallTrace::find_top_frame(frame& top_frame, Method** method, frame& first_frame) {
    assert(top_frame.cb() != NULL, "invariant");
    RegisterMap map(_thread, false);
    frame candidate = top_frame;
!   for (u4 i = 0; i < MAX_STACK_DEPTH * 2; ++i) {
      if (candidate.is_entry_frame()) {
        JavaCallWrapper *jcw = candidate.entry_frame_call_wrapper_if_safe(_thread);
        if (jcw == NULL || jcw->is_first_frame()) {
          return false;
        }