Sat, 11 Dec 2010 13:20:56 -0500
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
Summary: Implemented in-process C native stack frame decoding when symbols are available.
Reviewed-by: coleenp, never
1 /*
2 * Copyright (c) 1997, 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 */
25 #include "precompiled.hpp"
26 #include "oops/oop.inline.hpp"
27 #include "utilities/accessFlags.hpp"
28 #ifdef TARGET_OS_FAMILY_linux
29 # include "os_linux.inline.hpp"
30 #endif
31 #ifdef TARGET_OS_FAMILY_solaris
32 # include "os_solaris.inline.hpp"
33 #endif
34 #ifdef TARGET_OS_FAMILY_windows
35 # include "os_windows.inline.hpp"
36 #endif
39 void AccessFlags::atomic_set_bits(jint bits) {
40 // Atomically update the flags with the bits given
41 jint old_flags, new_flags, f;
42 do {
43 old_flags = _flags;
44 new_flags = old_flags | bits;
45 f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
46 } while(f != old_flags);
47 }
49 void AccessFlags::atomic_clear_bits(jint bits) {
50 // Atomically update the flags with the bits given
51 jint old_flags, new_flags, f;
52 do {
53 old_flags = _flags;
54 new_flags = old_flags & ~bits;
55 f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
56 } while(f != old_flags);
57 }
59 #ifndef PRODUCT
61 void AccessFlags::print_on(outputStream* st) const {
62 if (is_public ()) st->print("public " );
63 if (is_private ()) st->print("private " );
64 if (is_protected ()) st->print("protected " );
65 if (is_static ()) st->print("static " );
66 if (is_final ()) st->print("final " );
67 if (is_synchronized()) st->print("synchronized ");
68 if (is_volatile ()) st->print("volatile " );
69 if (is_transient ()) st->print("transient " );
70 if (is_native ()) st->print("native " );
71 if (is_interface ()) st->print("interface " );
72 if (is_abstract ()) st->print("abstract " );
73 if (is_strict ()) st->print("strict " );
74 if (is_synthetic ()) st->print("synthetic " );
75 if (is_old ()) st->print("{old} " );
76 if (is_obsolete ()) st->print("{obsolete} " );
77 }
79 #endif
81 void accessFlags_init() {
82 assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags");
83 }