Tue, 17 Oct 2017 12:58:25 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #ifndef SHARE_VM_PRIMS_WHITEBOX_HPP |
aoqi@0 | 26 | #define SHARE_VM_PRIMS_WHITEBOX_HPP |
aoqi@0 | 27 | |
aoqi@0 | 28 | #include "prims/jni.h" |
aoqi@0 | 29 | |
aoqi@0 | 30 | #include "memory/allocation.hpp" |
aoqi@0 | 31 | #include "oops/oopsHierarchy.hpp" |
sjohanss@7165 | 32 | #include "oops/symbol.hpp" |
sjohanss@7165 | 33 | #include "runtime/interfaceSupport.hpp" |
aoqi@0 | 34 | |
aoqi@0 | 35 | // Entry macro to transition from JNI to VM state. |
aoqi@0 | 36 | |
aoqi@0 | 37 | #define WB_ENTRY(result_type, header) JNI_ENTRY(result_type, header) |
aoqi@0 | 38 | #define WB_END JNI_END |
aoqi@0 | 39 | #define WB_METHOD_DECLARE(result_type) extern "C" result_type JNICALL |
aoqi@0 | 40 | |
aoqi@0 | 41 | #define CHECK_JNI_EXCEPTION_(env, value) \ |
aoqi@0 | 42 | do { \ |
aoqi@0 | 43 | JavaThread* THREAD = JavaThread::thread_from_jni_environment(env); \ |
aoqi@0 | 44 | if (HAS_PENDING_EXCEPTION) { \ |
aoqi@0 | 45 | return(value); \ |
aoqi@0 | 46 | } \ |
aoqi@0 | 47 | } while (0) |
aoqi@0 | 48 | |
aoqi@0 | 49 | #define CHECK_JNI_EXCEPTION(env) \ |
aoqi@0 | 50 | do { \ |
aoqi@0 | 51 | JavaThread* THREAD = JavaThread::thread_from_jni_environment(env); \ |
aoqi@0 | 52 | if (HAS_PENDING_EXCEPTION) { \ |
aoqi@0 | 53 | return; \ |
aoqi@0 | 54 | } \ |
aoqi@0 | 55 | } while (0) |
aoqi@0 | 56 | |
aoqi@0 | 57 | class WhiteBox : public AllStatic { |
aoqi@0 | 58 | private: |
aoqi@0 | 59 | static bool _used; |
aoqi@0 | 60 | public: |
aoqi@0 | 61 | static bool used() { return _used; } |
aoqi@0 | 62 | static void set_used() { _used = true; } |
aoqi@0 | 63 | static int offset_for_field(const char* field_name, oop object, |
aoqi@0 | 64 | Symbol* signature_symbol); |
aoqi@0 | 65 | static const char* lookup_jstring(const char* field_name, oop object); |
aoqi@0 | 66 | static bool lookup_bool(const char* field_name, oop object); |
stefank@6992 | 67 | |
stefank@6992 | 68 | static int array_bytes_to_length(size_t bytes); |
sjohanss@7165 | 69 | static void register_methods(JNIEnv* env, jclass wbclass, JavaThread* thread, |
sjohanss@7165 | 70 | JNINativeMethod* method_array, int method_count); |
sjohanss@7165 | 71 | static void register_extended(JNIEnv* env, jclass wbclass, JavaThread* thread); |
aoqi@0 | 72 | }; |
aoqi@0 | 73 | |
aoqi@0 | 74 | |
aoqi@0 | 75 | |
aoqi@0 | 76 | #endif // SHARE_VM_PRIMS_WHITEBOX_HPP |