1 /*
2 * Copyright (c) 1999, 2013, 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
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_CI_CIUTILITIES_HPP
26 #define SHARE_VM_CI_CIUTILITIES_HPP
27
28 #include "ci/ciEnv.hpp"
29 #include "runtime/interfaceSupport.hpp"
30 #include "utilities/globalDefinitions.hpp"
31
32 // The following routines and definitions are used internally in the
33 // compiler interface.
34
35
36 // Add a ci native entry wrapper?
37
38 // Bring the compilation thread into the VM state.
39 #define VM_ENTRY_MARK \
40 CompilerThread* thread=CompilerThread::current(); \
41 ThreadInVMfromNative __tiv(thread); \
42 ResetNoHandleMark rnhm; \
43 HandleMarkCleaner __hm(thread); \
44 Thread* THREAD = thread; \
45 debug_only(VMNativeEntryWrapper __vew;)
46
47
48
49 // Bring the compilation thread into the VM state. No handle mark.
50 #define VM_QUICK_ENTRY_MARK \
51 CompilerThread* thread=CompilerThread::current(); \
52 ThreadInVMfromNative __tiv(thread); \
53 /* \
54 * [TODO] The NoHandleMark line does nothing but declare a function prototype \
55 * The NoHandkeMark constructor is NOT executed. If the ()'s are \
56 * removed, causes the NoHandleMark assert to trigger. \
57 * debug_only(NoHandleMark __hm();) \
58 */ \
59 Thread* THREAD = thread; \
60 debug_only(VMNativeEntryWrapper __vew;)
61
62
63 #define EXCEPTION_CONTEXT \
64 CompilerThread* thread=CompilerThread::current(); \
65 Thread* THREAD = thread;
66
67
68 #define CURRENT_ENV \
69 ciEnv::current()
70
71 // where current thread is THREAD
72 #define CURRENT_THREAD_ENV \
73 ciEnv::current(thread)
74
75 #define IS_IN_VM \
76 ciEnv::is_in_vm()
77
78 #define ASSERT_IN_VM \
79 assert(IS_IN_VM, "must be in vm state");
80
81 #define GUARDED_VM_ENTRY(action) \
82 {if (IS_IN_VM) { action } else { VM_ENTRY_MARK; { action }}}
83
84 #define GUARDED_VM_QUICK_ENTRY(action) \
85 {if (IS_IN_VM) { action } else { VM_QUICK_ENTRY_MARK; { action }}}
86
87 // Redefine this later.
88 #define KILL_COMPILE_ON_FATAL_(result) \
89 THREAD); \
90 if (HAS_PENDING_EXCEPTION) { \
91 if (PENDING_EXCEPTION->klass() == \
92 SystemDictionary::ThreadDeath_klass()) { \
93 /* Kill the compilation. */ \
94 fatal("unhandled ci exception"); \
95 return (result); \
96 } \
97 CLEAR_PENDING_EXCEPTION; \
98 return (result); \
99 } \
100 (void)(0
101
102 #define KILL_COMPILE_ON_ANY \
103 THREAD); \
104 if (HAS_PENDING_EXCEPTION) { \
105 fatal("unhandled ci exception"); \
106 CLEAR_PENDING_EXCEPTION; \
107 } \
108 (void)(0
109
110
111 inline const char* bool_to_str(bool b) {
112 return ((b) ? "true" : "false");
113 }
114
115 const char* basictype_to_str(BasicType t);
116 const char basictype_to_char(BasicType t);
117
118 jbyte *ci_card_table_address();
119 template <typename T> T ci_card_table_address_as() {
120 return reinterpret_cast<T>(ci_card_table_address());
121 }
122
123 #endif // SHARE_VM_CI_CIUTILITIES_HPP