jdk

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/*
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 * Copyright (c) 2023, Google and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#ifndef ADDRESS_SANITIZER
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#error "Build misconfigured, preprocessor macro ADDRESS_SANITIZER should be defined"
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#endif
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#ifndef __has_attribute
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#define __has_attribute(x) 0
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#endif
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#if (defined(__GNUC__) && !defined(__clang__)) || __has_attribute(visibility)
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#define ATTRIBUTE_DEFAULT_VISIBILITY __attribute__((visibility("default")))
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#elif defined(_MSC_VER)
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#define ATTRIBUTE_DEFAULT_VISIBILITY __declspec(dllexport)
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#else
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#define ATTRIBUTE_DEFAULT_VISIBILITY
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#endif
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#if (defined(__GNUC__) && !defined(__clang__)) || __has_attribute(used)
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#define ATTRIBUTE_USED __attribute__((used))
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#else
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#define ATTRIBUTE_USED
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#endif
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#if defined(_MSC_VER)
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#define CDECL __cdecl
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#else
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#define CDECL
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#endif
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// Override weak symbol exposed by ASan to override default options. This is called by ASan
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// extremely early during library loading, before main is called. We need to override the default
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// options because LSan is enabled by default and Hotspot is not yet compatible with it.
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// Additionally we need to prevent ASan from handling SIGSEGV, so that Hotspot's crash handler is
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// used. You can override these options by setting the environment variable ASAN_OPTIONS.
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ATTRIBUTE_DEFAULT_VISIBILITY ATTRIBUTE_USED const char* CDECL __asan_default_options() {
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  return
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#ifdef LEAK_SANITIZER
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    "leak_check_at_exit=0,"
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#else
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    // ASan bundles LSan, however we only support LSan when it is explicitly requested during
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    // configuration. Thus we disable it to match if it was not requested.
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    "detect_leaks=0,"
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#endif
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    "print_suppressions=0,"
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    "handle_segv=0,"
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    // See https://github.com/google/sanitizers/issues/1322. Hopefully this is resolved
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    // at some point and we can remove this option.
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    "intercept_tls_get_addr=0";
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}
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