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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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#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) {
}

// Trim-native support, stubbed out for now, may be enabled later
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