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hotspot/src/share/vm/memory/guardedMemory.hpp

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rev 7151 : 8043224: -Xcheck:jni improvements to exception checking and excessive local refs
Summary: Warning when not checking exceptions from function that require so, also when local refs expand beyond capacity.
Reviewed-by: dsimms

*** 1,7 **** /* ! * Copyright (c) 2014, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. --- 1,7 ---- /* ! * Copyright (c) 2015, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.
*** 233,253 **** * Return the size of the user data. * * @return the size of the user data. */ size_t get_user_size() const { ! assert(_base_addr, "Not wrapping any memory"); return get_head_guard()->get_user_size(); } /** * Return the user data pointer. * * @return the user data pointer. */ u_char* get_user_ptr() const { ! assert(_base_addr, "Not wrapping any memory"); return _base_addr + sizeof(GuardHeader); } /** * Release the wrapped pointer for resource freeing. --- 233,253 ---- * Return the size of the user data. * * @return the size of the user data. */ size_t get_user_size() const { ! assert(_base_addr != NULL, "Not wrapping any memory"); return get_head_guard()->get_user_size(); } /** * Return the user data pointer. * * @return the user data pointer. */ u_char* get_user_ptr() const { ! assert(_base_addr != NULL, "Not wrapping any memory"); return _base_addr + sizeof(GuardHeader); } /** * Release the wrapped pointer for resource freeing.
*** 279,289 **** Guard* get_tail_guard() const { return (Guard*) (get_user_ptr() + get_user_size()); }; void set_user_bytes(u_char ch) { memset(get_user_ptr(), ch, get_user_size()); } ! public: /** * Return the total size required for wrapping the given user size. * * @return the total size required for wrapping the given user size. */ --- 279,289 ---- Guard* get_tail_guard() const { return (Guard*) (get_user_ptr() + get_user_size()); }; void set_user_bytes(u_char ch) { memset(get_user_ptr(), ch, get_user_size()); } ! public: /** * Return the total size required for wrapping the given user size. * * @return the total size required for wrapping the given user size. */
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