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8239563: Reduce public exports in dynamic libraries built from JDK static libraries

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Reviewed-by: dholmes, ihse
This commit is contained in:
Bob Vandette 2020-02-27 11:36:55 -05:00
parent 9e9f110d05
commit c17ed6a5e5
3 changed files with 22 additions and 7 deletions
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18
src/java.base/unix/native/include/jni_md.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1996, 2020, Oracle 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
@ -29,16 +29,26 @@
#ifndef __has_attribute
#define __has_attribute(x) 0
#endif
#ifndef JNIEXPORT
#if (defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4) && (__GNUC_MINOR__ > 2))) || __has_attribute(visibility)
#ifdef ARM
#define JNIEXPORT __attribute__((externally_visible,visibility("default")))
#else
#define JNIEXPORT __attribute__((visibility("default")))
#endif
#else
#define JNIEXPORT
#endif
#endif
#if (defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4) && (__GNUC_MINOR__ > 2))) || __has_attribute(visibility)
#ifdef ARM
#define JNIEXPORT __attribute__((externally_visible,visibility("default")))
#define JNIIMPORT __attribute__((externally_visible,visibility("default")))
#else
#define JNIEXPORT __attribute__((visibility("default")))
#define JNIIMPORT __attribute__((visibility("default")))
#endif
#else
#define JNIEXPORT
#define JNIIMPORT
#endif