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

6939182: Zero JNI handles fix
Summary: Zero will exit with an error when invoked with -Xcheck:jni.
Reviewed-by: twisti, kamg
Contributed-by: Gary Benson <gbenson@redhat.com>

     1 /*

     2  * Copyright 2003-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    21  * CA 95054 USA or visit www.sun.com if you need additional information or

    22  * have any questions.

    23  *

    24  */

    26 #include "incls/_precompiled.incl"

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

    29 void ZeroStack::handle_overflow(TRAPS) {

    30   JavaThread *thread = (JavaThread *) THREAD;

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

    33   bool has_last_Java_frame = thread->has_last_Java_frame();

    34   if (!has_last_Java_frame) {

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

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

    37     while (frame) {

    38       if (frame->is_shark_frame())

    39         break;

    41       if (frame->is_interpreter_frame()) {

    42         interpreterState istate =

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

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

    45           break;

    46       }

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

    49       frame = frame->next();

    50     }

    52     if (frame == NULL)

    53       fatal("unrecoverable stack overflow");

    55     thread->set_last_Java_frame(frame, sp);

    56   }

    58   // Throw the exception

    59   switch (thread->thread_state()) {

    60   case _thread_in_Java:

    61     InterpreterRuntime::throw_StackOverflowError(thread);

    62     break;

    64   case _thread_in_vm:

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

    66     break;

    68   default:

    69     ShouldNotReachHere();

    70   }

    72   // Reset the frame anchor if necessary

    73   if (!has_last_Java_frame)

    74     thread->reset_last_Java_frame();

    75 }

    77 #ifndef PRODUCT

    78 void ZeroStack::zap(int c) {

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

    80 }

    81 #endif // PRODUCT

src/cpu/zero/vm/stack_zero.cpp@0c5b3cf3c1f5

src/cpu/zero/vm/stack_zero.cpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/cpu/zero/vm/stack_zero.cpp@0c5b3cf3c1f5

src/cpu/zero/vm/stack_zero.cpp