6427f39ba9
In native build of libc it would be inlined and in native bridge mode it's noinline, extern "C" and thus could be easily intercepted. Test: m (without weak symbols in native bridge mode x86+arm build would be broken) Change-Id: I67759858a5bc2174dce1db9732fdbd89ba7689cc
47 lines
2.1 KiB
C
47 lines
2.1 KiB
C
/*
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* Copyright (C) 2017 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __BIONIC_PRIVATE_BIONIC_DEFS_H_
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#define __BIONIC_PRIVATE_BIONIC_DEFS_H_
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/*
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* This label is used to mark libc/libdl symbols that may need to be replaced
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* by native bridge implementation.
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*/
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#ifdef __ANDROID_NATIVE_BRIDGE__
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#define __BIONIC_WEAK_FOR_NATIVE_BRIDGE __attribute__((__weak__, __noinline__))
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#define __BIONIC_WEAK_VARIABLE_FOR_NATIVE_BRIDGE __attribute__((__weak__))
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#define __BIONIC_WEAK_FOR_NATIVE_BRIDGE_INLINE \
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__BIONIC_WEAK_FOR_NATIVE_BRIDGE extern "C" __LIBC_HIDDEN__
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#else
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#define __BIONIC_WEAK_FOR_NATIVE_BRIDGE
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#define __BIONIC_WEAK_VARIABLE_FOR_NATIVE_BRIDGE
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#define __BIONIC_WEAK_FOR_NATIVE_BRIDGE_INLINE static inline
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#endif
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#endif /* __BIONIC_PRIVATE_BIONIC_DEFS_H_ */
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