src/share/vm/runtime/frame.inline.hpp

Fri, 27 Feb 2009 13:27:09 -0800

author
twisti
date
Fri, 27 Feb 2009 13:27:09 -0800
changeset 1040
98cb887364d3
parent 435
a61af66fc99e
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6810672: Comment typos
Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never

     1 /*
     2  * Copyright 1997-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any 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"

mercurial