Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/runtime/frame.inline.hpp@c6ff24ceec1c (annotated)
src/share/vm/runtime/frame.inline.hpp
Thu, 10 Apr 2008 15:49:16 -0400
- author
- sbohne
- date
- Thu, 10 Apr 2008 15:49:16 -0400
- changeset 528
- c6ff24ceec1c
- parent 435
- a61af66fc99e
- child 1040
- 98cb887364d3
- permissions
- -rw-r--r--
6686407: Fix for 6666698 broke -XX:BiasedLockingStartupDelay=0
Summary: Stack allocated VM_EnableBiasedLocking op must be marked as such
Reviewed-by: xlu, acorn, never, dholmes
| duke@435 | 1 | /* |
| duke@435 | 2 | * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@435 | 21 | * have any questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| duke@435 | 25 | // This file holds platform-independant bodies of inline functions for frames. |
| duke@435 | 26 | |
| duke@435 | 27 | // Note: The bcx usually contains the bcp; however during GC it contains the bci |
| duke@435 | 28 | // (changed by gc_prologue() and gc_epilogue()) to be methodOop position |
| duke@435 | 29 | // independent. These accessors make sure the correct value is returned |
| duke@435 | 30 | // by testing the range of the bcx value. bcp's are guaranteed to be above |
| duke@435 | 31 | // max_method_code_size, since methods are always allocated in OldSpace and |
| duke@435 | 32 | // Eden is allocated before OldSpace. |
| duke@435 | 33 | // |
| duke@435 | 34 | // The bcp is accessed sometimes during GC for ArgumentDescriptors; than |
| duke@435 | 35 | // the correct translation has to be performed (was bug). |
| duke@435 | 36 | |
| duke@435 | 37 | inline bool frame::is_bci(intptr_t bcx) { |
| duke@435 | 38 | #ifdef _LP64 |
| duke@435 | 39 | return ((uintptr_t) bcx) <= ((uintptr_t) max_method_code_size) ; |
| duke@435 | 40 | #else |
| duke@435 | 41 | return 0 <= bcx && bcx <= max_method_code_size; |
| duke@435 | 42 | #endif |
| duke@435 | 43 | } |
| duke@435 | 44 | |
| duke@435 | 45 | inline bool frame::is_entry_frame() const { |
| duke@435 | 46 | return StubRoutines::returns_to_call_stub(pc()); |
| duke@435 | 47 | } |
| duke@435 | 48 | |
| duke@435 | 49 | inline bool frame::is_first_frame() const { |
| duke@435 | 50 | return is_entry_frame() && entry_frame_is_first(); |
| duke@435 | 51 | } |
| duke@435 | 52 | |
| duke@435 | 53 | // here are the platform-dependent bodies: |
| duke@435 | 54 | |
| duke@435 | 55 | # include "incls/_frame_pd.inline.hpp.incl" |
