1 /*
2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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
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23  */
24 
25 #ifndef SHARE_VM_CI_CIUTILITIES_INLINE_HPP
26 #define SHARE_VM_CI_CIUTILITIES_INLINE_HPP
27 
28 #include "ci/ciUtilities.hpp"
29 #include "runtime/interfaceSupport.inline.hpp"
30 
31 // Add a ci native entry wrapper?
32 
33 // Bring the compilation thread into the VM state.
34 #define VM_ENTRY_MARK                       \
35   CompilerThread* thread=CompilerThread::current(); \
36   ThreadInVMfromNative __tiv(thread);       \
37   ResetNoHandleMark rnhm;                   \
38   HandleMarkCleaner __hm(thread);           \
39   Thread* THREAD = thread;                  \
40   debug_only(VMNativeEntryWrapper __vew;)
41 
42 
43 
44 // Bring the compilation thread into the VM state.  No handle mark.
45 #define VM_QUICK_ENTRY_MARK                 \
46   CompilerThread* thread=CompilerThread::current(); \
47   ThreadInVMfromNative __tiv(thread);       \
48 /*                                          \
49  * [TODO] The NoHandleMark line does nothing but declare a function prototype \
50  * The NoHandkeMark constructor is NOT executed. If the ()'s are   \
51  * removed, causes the NoHandleMark assert to trigger. \
52  * debug_only(NoHandleMark __hm();)         \
53  */                                         \
54   Thread* THREAD = thread;                  \
55   debug_only(VMNativeEntryWrapper __vew;)
56 
57 
58 #define EXCEPTION_CONTEXT \
59   CompilerThread* thread=CompilerThread::current(); \
60   Thread* THREAD = thread;
61 
62 
63 #define GUARDED_VM_ENTRY(action)            \
64   {if (IS_IN_VM) { action } else { VM_ENTRY_MARK; { action }}}
65 
66 #define GUARDED_VM_QUICK_ENTRY(action)      \
67   {if (IS_IN_VM) { action } else { VM_QUICK_ENTRY_MARK; { action }}}
68 
69 // Redefine this later.
70 #define KILL_COMPILE_ON_FATAL_(result)           \
71   THREAD);                                       \
72   if (HAS_PENDING_EXCEPTION) {                   \
73     if (PENDING_EXCEPTION->klass() ==            \
74         SystemDictionary::ThreadDeath_klass()) { \
75       /* Kill the compilation. */                \
76       fatal("unhandled ci exception");           \
77       return (result);                           \
78     }                                            \
79     CLEAR_PENDING_EXCEPTION;                     \
80     return (result);                             \
81   }                                              \
82   (void)(0
83 
84 #define KILL_COMPILE_ON_ANY                      \
85   THREAD);                                       \
86   if (HAS_PENDING_EXCEPTION) {                   \
87     fatal("unhandled ci exception");             \
88     CLEAR_PENDING_EXCEPTION;                     \
89   }                                              \
90 (void)(0
91 
92 #endif // SHARE_VM_CI_CIUTILITIES_INLINE_HPP
93 
94