jdk8-mips64-public/hotspot: src/cpu/zero/vm/stack_zero.cpp@d17bd0b18663 (annotated)

src/cpu/zero/vm/stack_zero.cpp@d17bd0b18663 (annotated)

src/cpu/zero/vm/stack_zero.cpp

Thu, 28 Jul 2011 02:14:44 -0700

author: twisti
date: Thu, 28 Jul 2011 02:14:44 -0700
changeset 3041: d17bd0b18663
parent 2314: f95d63e2154a
child 6876: 710a3c8b516e
child 7599: c6affd32651a
permissions: -rw-r--r--

7066143: JSR 292: Zero support after regressions from 7009923 and 7009309
Reviewed-by: jrose, twisti
Contributed-by: Xerxes Ranby <xerxes@zafena.se>

 /*
  * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2010 Red Hat, Inc.
  * 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.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #include "precompiled.hpp"
 #include "interpreter/interpreterRuntime.hpp"
 #include "stack_zero.hpp"
 #include "stack_zero.inline.hpp"
 int ZeroStack::suggest_size(Thread *thread) const {
   assert(needs_setup(), "already set up");
   return align_size_down(abi_stack_available(thread) / 2, wordSize);
 }
 void ZeroStack::handle_overflow(TRAPS) {
   JavaThread *thread = (JavaThread *) THREAD;
   // Set up the frame anchor if it isn't already
   bool has_last_Java_frame = thread->has_last_Java_frame();
   if (!has_last_Java_frame) {
     intptr_t *sp = thread->zero_stack()->sp();
     ZeroFrame *frame = thread->top_zero_frame();
     while (frame) {
       if (frame->is_shark_frame())
         break;
       if (frame->is_interpreter_frame()) {
         interpreterState istate =
           frame->as_interpreter_frame()->interpreter_state();
         if (istate->self_link() == istate)
           break;
       }
       sp = ((intptr_t *) frame) + 1;
       frame = frame->next();
     }
     if (frame == NULL)
       fatal("unrecoverable stack overflow");
     thread->set_last_Java_frame(frame, sp);
   }
   // Throw the exception
   switch (thread->thread_state()) {
   case _thread_in_Java:
     InterpreterRuntime::throw_StackOverflowError(thread);
     break;
   case _thread_in_vm:
     Exceptions::throw_stack_overflow_exception(thread, __FILE__, __LINE__,
                                                methodHandle());
     break;
   default:
     ShouldNotReachHere();
   }
   // Reset the frame anchor if necessary
   if (!has_last_Java_frame)
     thread->reset_last_Java_frame();
 }
 #ifndef PRODUCT
 void ZeroStack::zap(int c) {
   memset(_base, c, available_words() * wordSize);
 }
 #endif // PRODUCT

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src/cpu/zero/vm/stack_zero.cpp@d17bd0b18663 (annotated)

src/cpu/zero/vm/stack_zero.cpp