jdk8-mips64-public/hotspot: src/cpu/zero/vm/stack

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

     1 /*

     2  * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 2010 Red Hat, Inc.

     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     5  *

     6  * This code is free software; you can redistribute it and/or modify it

     7  * under the terms of the GNU General Public License version 2 only, as

     8  * published by the Free Software Foundation.

     9  *

    10  * This code is distributed in the hope that it will be useful, but WITHOUT

    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13  * version 2 for more details (a copy is included in the LICENSE file that

    14  * accompanied this code).

    15  *

    16  * You should have received a copy of the GNU General Public License version

    17  * 2 along with this work; if not, write to the Free Software Foundation,

    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19  *

    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    21  * or visit www.oracle.com if you need additional information or have any

    22  * questions.

    23  *

    24  */

    26 #include "incls/_precompiled.incl"

    27 #include "incls/_stack_zero.cpp.incl"

    29 int ZeroStack::suggest_size(Thread *thread) const {

    30   assert(needs_setup(), "already set up");

    31   return align_size_down(abi_stack_available(thread) / 2, wordSize);

    32 }

    34 void ZeroStack::handle_overflow(TRAPS) {

    35   JavaThread *thread = (JavaThread *) THREAD;

    37   // Set up the frame anchor if it isn't already

    38   bool has_last_Java_frame = thread->has_last_Java_frame();

    39   if (!has_last_Java_frame) {

    40     intptr_t *sp = thread->zero_stack()->sp();

    41     ZeroFrame *frame = thread->top_zero_frame();

    42     while (frame) {

    43       if (frame->is_shark_frame())

    44         break;

    46       if (frame->is_interpreter_frame()) {

    47         interpreterState istate =

    48           frame->as_interpreter_frame()->interpreter_state();

    49         if (istate->self_link() == istate)

    50           break;

    51       }

    53       sp = ((intptr_t *) frame) + 1;

    54       frame = frame->next();

    55     }

    57     if (frame == NULL)

    58       fatal("unrecoverable stack overflow");

    60     thread->set_last_Java_frame(frame, sp);

    61   }

    63   // Throw the exception

    64   switch (thread->thread_state()) {

    65   case _thread_in_Java:

    66     InterpreterRuntime::throw_StackOverflowError(thread);

    67     break;

    69   case _thread_in_vm:

    70     Exceptions::throw_stack_overflow_exception(thread, __FILE__, __LINE__);

    71     break;

    73   default:

    74     ShouldNotReachHere();

    75   }

    77   // Reset the frame anchor if necessary

    78   if (!has_last_Java_frame)

    79     thread->reset_last_Java_frame();

    80 }

    82 #ifndef PRODUCT

    83 void ZeroStack::zap(int c) {

    84   memset(_base, c, available_words() * wordSize);

    85 }

    86 #endif // PRODUCT

src/cpu/zero/vm/stack_zero.cpp@c18cbe5936b8