Mercurial > hg > truffle

comparison src/os_cpu/bsd_x86/vm/thread_bsd_x86.hpp @ 3960:f08d439fab8c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
7089790: integrate bsd-port changes Reviewed-by: kvn, twisti, jrose Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>
author never
date Sun, 25 Sep 2011 16:03:29 -0700
parents
children f2110083203d
comparison
equal deleted inserted replaced
3959:eda6988c0d81 3960:f08d439fab8c
1 /*
2 * Copyright (c) 2000, 2010, 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 */
24
25 #ifndef OS_CPU_BSD_X86_VM_THREAD_BSD_X86_HPP
26 #define OS_CPU_BSD_X86_VM_THREAD_BSD_X86_HPP
27
28 private:
29 void pd_initialize() {
30 _anchor.clear();
31 }
32
33 frame pd_last_frame() {
34 assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
35 if (_anchor.last_Java_pc() != NULL) {
36 return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
37 } else {
38 // This will pick up pc from sp
39 return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp());
40 }
41 }
42
43 public:
44 // Mutators are highly dangerous....
45 intptr_t* last_Java_fp() { return _anchor.last_Java_fp(); }
46 void set_last_Java_fp(intptr_t* fp) { _anchor.set_last_Java_fp(fp); }
47
48 void set_base_of_stack_pointer(intptr_t* base_sp) {
49 }
50
51 static ByteSize last_Java_fp_offset() {
52 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset();
53 }
54
55 intptr_t* base_of_stack_pointer() {
56 return NULL;
57 }
58 void record_base_of_stack_pointer() {
59 }
60
61 bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
62 bool isInJava);
63
64 // These routines are only used on cpu architectures that
65 // have separate register stacks (Itanium).
66 static bool register_stack_overflow() { return false; }
67 static void enable_register_stack_guard() {}
68 static void disable_register_stack_guard() {}
69
70 #endif // OS_CPU_BSD_X86_VM_THREAD_BSD_X86_HPP