ciUtilities.hpp revision 5776:de6a9e811145 
1129204Scognet/*
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
31// The following routines and definitions are used internally in the
32// compiler interface.
33
34
35// Add a ci native entry wrapper?
36
37// Bring the compilation thread into the VM state.
38#define VM_ENTRY_MARK                       \
39  CompilerThread* thread=CompilerThread::current(); \
40  ThreadInVMfromNative __tiv(thread);       \
41  ResetNoHandleMark rnhm;                   \
42  HandleMarkCleaner __hm(thread);           \
43  Thread* THREAD = thread;                  \
44  debug_only(VMNativeEntryWrapper __vew;)
45
46
47
48// Bring the compilation thread into the VM state.  No handle mark.
49#define VM_QUICK_ENTRY_MARK                 \
50  CompilerThread* thread=CompilerThread::current(); \
51  ThreadInVMfromNative __tiv(thread);       \
52/*                                          \
53 * [TODO] The NoHandleMark line does nothing but declare a function prototype \
54 * The NoHandkeMark constructor is NOT executed. If the ()'s are   \
55 * removed, causes the NoHandleMark assert to trigger. \
56 * debug_only(NoHandleMark __hm();)         \
57 */                                         \
58  Thread* THREAD = thread;                  \
59  debug_only(VMNativeEntryWrapper __vew;)
60
61
62#define EXCEPTION_CONTEXT \
63  CompilerThread* thread=CompilerThread::current(); \
64  Thread* THREAD = thread;
65
66
67#define CURRENT_ENV                         \
68  ciEnv::current()
69
70// where current thread is THREAD
71#define CURRENT_THREAD_ENV                  \
72  ciEnv::current(thread)
73
74#define IS_IN_VM                            \
75  ciEnv::is_in_vm()
76
77#define ASSERT_IN_VM                        \
78  assert(IS_IN_VM, "must be in vm state");
79
80#define GUARDED_VM_ENTRY(action)            \
81  {if (IS_IN_VM) { action } else { VM_ENTRY_MARK; { action }}}
82
83#define GUARDED_VM_QUICK_ENTRY(action)      \
84  {if (IS_IN_VM) { action } else { VM_QUICK_ENTRY_MARK; { action }}}
85
86// Redefine this later.
87#define KILL_COMPILE_ON_FATAL_(result)           \
88  THREAD);                                       \
89  if (HAS_PENDING_EXCEPTION) {                   \
90    if (PENDING_EXCEPTION->klass() ==            \
91        SystemDictionary::ThreadDeath_klass()) { \
92      /* Kill the compilation. */                \
93      fatal("unhandled ci exception");           \
94      return (result);                           \
95    }                                            \
96    CLEAR_PENDING_EXCEPTION;                     \
97    return (result);                             \
98  }                                              \
99  (void)(0
100
101#define KILL_COMPILE_ON_ANY                      \
102  THREAD);                                       \
103  if (HAS_PENDING_EXCEPTION) {                   \
104    fatal("unhandled ci exception");             \
105    CLEAR_PENDING_EXCEPTION;                     \
106  }                                              \
107(void)(0
108
109
110inline const char* bool_to_str(bool b) {
111  return ((b) ? "true" : "false");
112}
113
114const char* basictype_to_str(BasicType t);
115const char  basictype_to_char(BasicType t);
116
117#endif // SHARE_VM_CI_CIUTILITIES_HPP
118