Mercurial > hg > truffle
annotate src/share/vm/prims/whitebox.hpp @ 14702:d4dd5204c0aa
Merge
author | ehelin |
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date | Fri, 14 Mar 2014 13:27:18 +0100 |
parents | 9e2a544d59cc |
children | 4ca6dc0799b6 4abb719c5620 |
rev | line source |
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5915 | 1 /* |
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2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
5915 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 #ifndef SHARE_VM_PRIMS_WHITEBOX_HPP | |
26 #define SHARE_VM_PRIMS_WHITEBOX_HPP | |
27 | |
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28 #include "prims/jni.h" |
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29 |
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30 #include "memory/allocation.hpp" |
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31 #include "oops/oopsHierarchy.hpp" |
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32 |
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33 // Entry macro to transition from JNI to VM state. |
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34 |
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35 #define WB_ENTRY(result_type, header) JNI_ENTRY(result_type, header) |
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36 #define WB_END JNI_END |
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37 #define WB_METHOD_DECLARE(result_type) extern "C" result_type JNICALL |
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38 |
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39 #define CHECK_JNI_EXCEPTION_(env, value) \ |
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40 do { \ |
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41 JavaThread* THREAD = JavaThread::thread_from_jni_environment(env); \ |
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42 if (HAS_PENDING_EXCEPTION) { \ |
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43 CLEAR_PENDING_EXCEPTION; \ |
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44 return(value); \ |
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45 } \ |
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46 } while (0) |
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47 |
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48 #define CHECK_JNI_EXCEPTION(env) \ |
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49 do { \ |
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50 JavaThread* THREAD = JavaThread::thread_from_jni_environment(env); \ |
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51 if (HAS_PENDING_EXCEPTION) { \ |
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52 CLEAR_PENDING_EXCEPTION; \ |
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53 return; \ |
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54 } \ |
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55 } while (0) |
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56 |
5915 | 57 class WhiteBox : public AllStatic { |
58 private: | |
59 static bool _used; | |
60 public: | |
61 static bool used() { return _used; } | |
62 static void set_used() { _used = true; } | |
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63 static int offset_for_field(const char* field_name, oop object, |
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64 Symbol* signature_symbol); |
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65 static const char* lookup_jstring(const char* field_name, oop object); |
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66 static bool lookup_bool(const char* field_name, oop object); |
5915 | 67 }; |
68 | |
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69 |
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70 |
5915 | 71 #endif // SHARE_VM_PRIMS_WHITEBOX_HPP |