1 /*
   2  * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "incls/_precompiled.incl"
  26 #include "incls/_thread_solaris_sparc.cpp.incl"

  27 
  28 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is
  29 // currently interrupted by SIGPROF
  30 //
  31 // NOTE: On Solaris, register windows are flushed in the signal handler
  32 // except for possibly the top frame.
  33 //
  34 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,
  35   void* ucontext, bool isInJava) {
  36 
  37   assert(Thread::current() == this, "caller must be current thread");
  38   assert(this->is_Java_thread(), "must be JavaThread");
  39 
  40   JavaThread* jt = (JavaThread *)this;
  41 
  42   if (!isInJava) {
  43     // make_walkable flushes register windows and grabs last_Java_pc
  44     // which can not be done if the ucontext sp matches last_Java_sp
  45     // stack walking utilities assume last_Java_pc set if marked flushed
  46     jt->frame_anchor()->make_walkable(jt);

   1 /*
   2  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "runtime/frame.inline.hpp"
  27 #include "thread_solaris.inline.hpp"
  28 
  29 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is
  30 // currently interrupted by SIGPROF
  31 //
  32 // NOTE: On Solaris, register windows are flushed in the signal handler
  33 // except for possibly the top frame.
  34 //
  35 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,
  36   void* ucontext, bool isInJava) {
  37 
  38   assert(Thread::current() == this, "caller must be current thread");
  39   assert(this->is_Java_thread(), "must be JavaThread");
  40 
  41   JavaThread* jt = (JavaThread *)this;
  42 
  43   if (!isInJava) {
  44     // make_walkable flushes register windows and grabs last_Java_pc
  45     // which can not be done if the ucontext sp matches last_Java_sp
  46     // stack walking utilities assume last_Java_pc set if marked flushed
  47     jt->frame_anchor()->make_walkable(jt);