author | jmasa |
Wed, 25 Jun 2014 20:41:16 -0700 | |
changeset 25354 | f6762819b488 |
parent 23499 | 9d5b7480c9f4 |
child 25490 | 59f226da8d81 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef SHARE_VM_PRIMS_WHITEBOX_HPP |
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#define SHARE_VM_PRIMS_WHITEBOX_HPP |
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#include "prims/jni.h" |
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#include "memory/allocation.hpp" |
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#include "oops/oopsHierarchy.hpp" |
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// Entry macro to transition from JNI to VM state. |
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#define WB_ENTRY(result_type, header) JNI_ENTRY(result_type, header) |
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#define WB_END JNI_END |
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#define WB_METHOD_DECLARE(result_type) extern "C" result_type JNICALL |
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#define CHECK_JNI_EXCEPTION_(env, value) \ |
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do { \ |
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JavaThread* THREAD = JavaThread::thread_from_jni_environment(env); \ |
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if (HAS_PENDING_EXCEPTION) { \ |
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return(value); \ |
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} \ |
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} while (0) |
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#define CHECK_JNI_EXCEPTION(env) \ |
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do { \ |
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JavaThread* THREAD = JavaThread::thread_from_jni_environment(env); \ |
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if (HAS_PENDING_EXCEPTION) { \ |
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return; \ |
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} \ |
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} while (0) |
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class WhiteBox : public AllStatic { |
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private: |
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static bool _used; |
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public: |
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static bool used() { return _used; } |
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static void set_used() { _used = true; } |
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static int offset_for_field(const char* field_name, oop object, |
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Symbol* signature_symbol); |
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static const char* lookup_jstring(const char* field_name, oop object); |
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static bool lookup_bool(const char* field_name, oop object); |
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}; |
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#endif // SHARE_VM_PRIMS_WHITEBOX_HPP |