jdk-24/make/data/lsan/lsan_default_options.c
Justin King 27126157d9 8298445: Add LeakSanitizer support in HotSpot
Reviewed-by: erikj, ihse
2023-02-07 17:41:25 +00:00

68 lines
2.8 KiB
C

/*
* Copyright (c) 2023, Google and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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#ifndef LEAK_SANITIZER
#error "Build misconfigured, preprocessor macro LEAK_SANITIZER should be defined"
#endif
#ifndef __has_attribute
#define __has_attribute(x) 0
#endif
#if (defined(__GNUC__) && !defined(__clang__)) || __has_attribute(visibility)
#define ATTRIBUTE_DEFAULT_VISIBILITY __attribute__((visibility("default")))
#else
#define ATTRIBUTE_DEFAULT_VISIBILITY
#endif
#if (defined(__GNUC__) && !defined(__clang__)) || __has_attribute(used)
#define ATTRIBUTE_USED __attribute__((used))
#else
#define ATTRIBUTE_USED
#endif
// Override weak symbol exposed by LSan to override default options. This is called by LSan
// extremely early during library loading, before main is called. We need to override the default
// options because LSan will perform leak checking at program exit. Unfortunately Hotspot does not
// shutdown cleanly at the moment and some leaks occur, we want to ignore these. Instead we
// explicitly perform leak checking early during JVM shutdown.
ATTRIBUTE_DEFAULT_VISIBILITY ATTRIBUTE_USED const char* __lsan_default_options() {
return
"print_suppressions=0,"
"leak_check_at_exit=0,"
// See https://github.com/google/sanitizers/issues/1322. Hopefully this is resolved
// at some point and we can remove this option.
"intercept_tls_get_addr=0";
}
// Override weak symbol exposed by LSan to override default suppressions. This is called by LSan
// extremely early during library loading, before main is called.
ATTRIBUTE_DEFAULT_VISIBILITY ATTRIBUTE_USED const char* __lsan_default_suppressions() {
return
// Remove after JDK-8297688 is resolved.
"leak:^JLI_MemAlloc$\n"
"leak:^JLI_StringDup$\n";
}