Thu, 15 Apr 2010 02:40:12 -0700
6941224: Improved stack overflow handling for Zero
Summary: Adding stack overflow checking to Shark brought to light a bunch of deficiencies in Zero's stack overflow code.
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
1 /*
2 * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
3 * Copyright 2007, 2009 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any questions.
23 *
24 */
26 #include "incls/_precompiled.incl"
27 #include "incls/_relocInfo_zero.cpp.incl"
29 void Relocation::pd_set_data_value(address x, intptr_t o) {
30 ShouldNotCallThis();
31 }
33 address Relocation::pd_call_destination(address orig_addr) {
34 ShouldNotCallThis();
35 }
37 void Relocation::pd_set_call_destination(address x) {
38 ShouldNotCallThis();
39 }
41 address Relocation::pd_get_address_from_code() {
42 ShouldNotCallThis();
43 }
45 address* Relocation::pd_address_in_code() {
46 // Relocations in Shark are just stored directly
47 return (address *) addr();
48 }
50 int Relocation::pd_breakpoint_size() {
51 ShouldNotCallThis();
52 }
54 void Relocation::pd_swap_in_breakpoint(address x,
55 short* instrs,
56 int instrlen) {
57 ShouldNotCallThis();
58 }
60 void Relocation::pd_swap_out_breakpoint(address x,
61 short* instrs,
62 int instrlen) {
63 ShouldNotCallThis();
64 }
66 void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src,
67 CodeBuffer* dst) {
68 ShouldNotCallThis();
69 }
71 void poll_return_Relocation::fix_relocation_after_move(const CodeBuffer* src,
72 CodeBuffer* dst) {
73 ShouldNotCallThis();
74 }