jdk8-mips64-public/hotspot: src/share/vm/shark/sharkRuntime.hpp@01522ca68fc7

8015237: Parallelize string table scanning during strong root processing
Summary: Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.
Reviewed-by: tschatzl, stefank, twisti

     1 /*

     2  * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 2008, 2009, 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 #ifndef SHARE_VM_SHARK_SHARKRUNTIME_HPP

    27 #define SHARE_VM_SHARK_SHARKRUNTIME_HPP

    29 #include "memory/allocation.hpp"

    30 #include "runtime/thread.hpp"

    31 #include "shark/llvmHeaders.hpp"

    32 #include "shark/llvmValue.hpp"

    34 class SharkRuntime : public AllStatic {

    35   // VM calls

    36  public:

    37   static int find_exception_handler(JavaThread* thread,

    38                                     int*        indexes,

    39                                     int         num_indexes);

    41   static void monitorenter(JavaThread* thread, BasicObjectLock* lock);

    42   static void monitorexit(JavaThread* thread, BasicObjectLock* lock);

    44   static void new_instance(JavaThread* thread, int index);

    45   static void newarray(JavaThread* thread, BasicType type, int size);

    46   static void anewarray(JavaThread* thread, int index, int size);

    47   static void multianewarray(JavaThread* thread,

    48                              int         index,

    49                              int         ndims,

    50                              int*        dims);

    52   static void register_finalizer(JavaThread* thread, oop object);

    54   static void throw_ArithmeticException(JavaThread* thread,

    55                                         const char* file,

    56                                         int         line);

    57   static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread,

    58                                                    const char* file,

    59                                                    int         line,

    60                                                    int         index);

    61   static void throw_ClassCastException(JavaThread* thread,

    62                                        const char* file,

    63                                        int         line);

    64   static void throw_NullPointerException(JavaThread* thread,

    65                                          const char* file,

    66                                          int         line);

    68   // Helpers for VM calls

    69  private:

    70   static const SharkFrame* last_frame(JavaThread *thread) {

    71     return thread->last_frame().zero_sharkframe();

    72   }

    73   static Method* method(JavaThread *thread) {

    74     return last_frame(thread)->method();

    75   }

    76   static address bcp(JavaThread *thread, int bci) {

    77     return method(thread)->code_base() + bci;

    78   }

    79   static int two_byte_index(JavaThread *thread, int bci) {

    80     return Bytes::get_Java_u2(bcp(thread, bci) + 1);

    81   }

    82   static intptr_t tos_at(JavaThread *thread, int offset) {

    83     return *(thread->zero_stack()->sp() + offset);

    84   }

    86   // Non-VM calls

    87  public:

    88   static void dump(const char *name, intptr_t value);

    89   static bool is_subtype_of(Klass* check_klass, Klass* object_klass);

    90   static int uncommon_trap(JavaThread* thread, int trap_request);

    91 };

    93 #endif // SHARE_VM_SHARK_SHARKRUNTIME_HPP

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

src/share/vm/shark/sharkRuntime.hpp@01522ca68fc7

src/share/vm/shark/sharkRuntime.hpp