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/*
* Copyright (c) 1999, 2022, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2018 SAP SE. 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.
*
* 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef OS_AIX_OS_AIX_INLINE_HPP
#define OS_AIX_OS_AIX_INLINE_HPP
#include "os_aix.hpp"
#include "runtime/os.hpp"
#include "os_posix.inline.hpp"
// Information about the protection of the page at address '0' on this os.
inline bool os::zero_page_read_protected() {
return false;
}
inline bool os::uses_stack_guard_pages() {
return true;
}
// Whether or not calling code should/can commit/uncommit stack pages
// before guarding them. Answer for AIX is definitely no, because memory
// is automatically committed on touch.
inline bool os::must_commit_stack_guard_pages() {
assert(uses_stack_guard_pages(), "sanity check");
return false;
}
// Bang the shadow pages if they need to be touched to be mapped.
inline void os::map_stack_shadow_pages(address sp) {
}
// stubbed-out trim-native support
inline bool os::can_trim_native_heap() { return false; }
inline bool os::trim_native_heap(os::size_change_t* rss_change) { return false; }
#endif // OS_AIX_OS_AIX_INLINE_HPP
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