annotate src/os_cpu/linux_x86/vm/thread_linux_x86.hpp @ 1472:c18cbe5936b8

6941466: Oracle rebranding changes for Hotspot repositories Summary: Change all the Sun copyrights to Oracle copyright Reviewed-by: ohair
author trims
date Thu, 27 May 2010 19:08:38 -0700
parents a61af66fc99e
children f95d63e2154a
rev   line source
duke@0 1 /*
trims@1472 2 * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved.
duke@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@0 4 *
duke@0 5 * This code is free software; you can redistribute it and/or modify it
duke@0 6 * under the terms of the GNU General Public License version 2 only, as
duke@0 7 * published by the Free Software Foundation.
duke@0 8 *
duke@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@0 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@0 13 * accompanied this code).
duke@0 14 *
duke@0 15 * You should have received a copy of the GNU General Public License version
duke@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@0 18 *
trims@1472 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1472 20 * or visit www.oracle.com if you need additional information or have any
trims@1472 21 * questions.
duke@0 22 *
duke@0 23 */
duke@0 24
duke@0 25 private:
duke@0 26 void pd_initialize() {
duke@0 27 _anchor.clear();
duke@0 28 }
duke@0 29
duke@0 30 frame pd_last_frame() {
duke@0 31 assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
duke@0 32 if (_anchor.last_Java_pc() != NULL) {
duke@0 33 return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
duke@0 34 } else {
duke@0 35 // This will pick up pc from sp
duke@0 36 return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp());
duke@0 37 }
duke@0 38 }
duke@0 39
duke@0 40 public:
duke@0 41 // Mutators are highly dangerous....
duke@0 42 intptr_t* last_Java_fp() { return _anchor.last_Java_fp(); }
duke@0 43 void set_last_Java_fp(intptr_t* fp) { _anchor.set_last_Java_fp(fp); }
duke@0 44
duke@0 45 void set_base_of_stack_pointer(intptr_t* base_sp) {
duke@0 46 }
duke@0 47
duke@0 48 static ByteSize last_Java_fp_offset() {
duke@0 49 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset();
duke@0 50 }
duke@0 51
duke@0 52 intptr_t* base_of_stack_pointer() {
duke@0 53 return NULL;
duke@0 54 }
duke@0 55 void record_base_of_stack_pointer() {
duke@0 56 }
duke@0 57
duke@0 58 bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
duke@0 59 bool isInJava);
duke@0 60
duke@0 61 // These routines are only used on cpu architectures that
duke@0 62 // have separate register stacks (Itanium).
duke@0 63 static bool register_stack_overflow() { return false; }
duke@0 64 static void enable_register_stack_guard() {}
duke@0 65 static void disable_register_stack_guard() {}