jdk8-mips64-public/hotspot: src/share/vm/runtime/frame.inline.hpp@c18cbe5936b8

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

     1 /*

     2  * Copyright (c) 1997, 2006, 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  */

    25 // This file holds platform-independent bodies of inline functions for frames.

    27 // Note: The bcx usually contains the bcp; however during GC it contains the bci

    28 //       (changed by gc_prologue() and gc_epilogue()) to be methodOop position

    29 //       independent. These accessors make sure the correct value is returned

    30 //       by testing the range of the bcx value. bcp's are guaranteed to be above

    31 //       max_method_code_size, since methods are always allocated in OldSpace and

    32 //       Eden is allocated before OldSpace.

    33 //

    34 //       The bcp is accessed sometimes during GC for ArgumentDescriptors; than

    35 //       the correct translation has to be performed (was bug).

    37 inline bool frame::is_bci(intptr_t bcx) {

    38 #ifdef _LP64

    39   return ((uintptr_t) bcx) <= ((uintptr_t) max_method_code_size) ;

    40 #else

    41   return 0 <= bcx && bcx <= max_method_code_size;

    42 #endif

    43 }

    45 inline bool frame::is_entry_frame() const {

    46   return StubRoutines::returns_to_call_stub(pc());

    47 }

    49 inline bool frame::is_first_frame() const {

    50   return is_entry_frame() && entry_frame_is_first();

    51 }

    53 // here are the platform-dependent bodies:

    55 # include "incls/_frame_pd.inline.hpp.incl"

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