jdk
1/*
2* Copyright (c) 2023, Google 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. Oracle designates this
8* particular file as subject to the "Classpath" exception as provided
9* by Oracle in the LICENSE file that accompanied this code.
10*
11* This code is distributed in the hope that it will be useful, but WITHOUT
12* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14* version 2 for more details (a copy is included in the LICENSE file that
15* accompanied this code).
16*
17* You should have received a copy of the GNU General Public License version
18* 2 along with this work; if not, write to the Free Software Foundation,
19* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20*
21* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22* or visit www.oracle.com if you need additional information or have any
23* questions.
24*/
25
26#ifndef LEAK_SANITIZER27#error "Build misconfigured, preprocessor macro LEAK_SANITIZER should be defined"28#endif29
30#ifndef __has_attribute31#define __has_attribute(x) 032#endif33
34#if (defined(__GNUC__) && !defined(__clang__)) || __has_attribute(visibility)35#define ATTRIBUTE_DEFAULT_VISIBILITY __attribute__((visibility("default")))36#else37#define ATTRIBUTE_DEFAULT_VISIBILITY38#endif39
40#if (defined(__GNUC__) && !defined(__clang__)) || __has_attribute(used)41#define ATTRIBUTE_USED __attribute__((used))42#else43#define ATTRIBUTE_USED44#endif45
46// Override weak symbol exposed by LSan to override default options. This is called by LSan
47// extremely early during library loading, before main is called. We need to override the default
48// options because LSan will perform leak checking at program exit. Unfortunately Hotspot does not
49// shutdown cleanly at the moment and some leaks occur, we want to ignore these. Instead we
50// explicitly perform leak checking early during JVM shutdown.
51ATTRIBUTE_DEFAULT_VISIBILITY ATTRIBUTE_USED const char* __lsan_default_options() {52return53"print_suppressions=0,"54"leak_check_at_exit=0,"55// See https://github.com/google/sanitizers/issues/1322. Hopefully this is resolved56// at some point and we can remove this option.57"intercept_tls_get_addr=0";58}
59
60// Override weak symbol exposed by LSan to override default suppressions. This is called by LSan
61// extremely early during library loading, before main is called.
62ATTRIBUTE_DEFAULT_VISIBILITY ATTRIBUTE_USED const char* __lsan_default_suppressions() {63return64// Remove after JDK-8297688 is resolved.65"leak:^JLI_MemAlloc$\n"66"leak:^JLI_StringDup$\n";67}
68