Mercurial > hg > truffle

annotate src/share/vm/utilities/exceptions.hpp @ 13220:2b43fcc68add

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
author Gilles Duboscq <duboscq@ssw.jku.at>
date Mon, 02 Dec 2013 18:06:00 +0100
parents 3cce976666d9
children 5a9afbf72714
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
7582
aefb345d3f5e 7199207: NPG: Crash in PlaceholderTable::verify after StackOverflow
acorn
parents: 6729
diff changeset
2 * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1011
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1011
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1011
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1684
diff changeset
25 #ifndef SHARE_VM_UTILITIES_EXCEPTIONS_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1684
diff changeset
26 #define SHARE_VM_UTILITIES_EXCEPTIONS_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1684
diff changeset
27
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1684
diff changeset
28 #include "memory/allocation.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1684
diff changeset
29 #include "oops/oopsHierarchy.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1684
diff changeset
30 #include "utilities/sizes.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1684
diff changeset
31
0
a61af66fc99e Initial load
duke
parents:
diff changeset
32 // This file provides the basic support for exception handling in the VM.
a61af66fc99e Initial load
duke
parents:
diff changeset
33 // Note: We do not use C++ exceptions to avoid compiler dependencies and
a61af66fc99e Initial load
duke
parents:
diff changeset
34 // unpredictable performance.
a61af66fc99e Initial load
duke
parents:
diff changeset
35 //
a61af66fc99e Initial load
duke
parents:
diff changeset
36 // Scheme: Exceptions are stored with the thread. There is never more
a61af66fc99e Initial load
duke
parents:
diff changeset
37 // than one pending exception per thread. All functions that can throw
a61af66fc99e Initial load
duke
parents:
diff changeset
38 // an exception carry a THREAD argument (usually the last argument and
a61af66fc99e Initial load
duke
parents:
diff changeset
39 // declared with the TRAPS macro). Throwing an exception means setting
a61af66fc99e Initial load
duke
parents:
diff changeset
40 // a pending exception in the thread. Upon return from a function that
a61af66fc99e Initial load
duke
parents:
diff changeset
41 // can throw an exception, we must check if an exception is pending.
a61af66fc99e Initial load
duke
parents:
diff changeset
42 // The CHECK macros do this in a convenient way. Carrying around the
a61af66fc99e Initial load
duke
parents:
diff changeset
43 // thread provides also convenient access to it (e.g. for Handle
a61af66fc99e Initial load
duke
parents:
diff changeset
44 // creation, w/o the need for recomputation).
a61af66fc99e Initial load
duke
parents:
diff changeset
45
a61af66fc99e Initial load
duke
parents:
diff changeset
46
a61af66fc99e Initial load
duke
parents:
diff changeset
47
a61af66fc99e Initial load
duke
parents:
diff changeset
48 // Forward declarations to be independent of the include structure.
a61af66fc99e Initial load
duke
parents:
diff changeset
49 // This allows us to have exceptions.hpp included in top.hpp.
a61af66fc99e Initial load
duke
parents:
diff changeset
50
a61af66fc99e Initial load
duke
parents:
diff changeset
51 class Thread;
a61af66fc99e Initial load
duke
parents:
diff changeset
52 class Handle;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
53 class Symbol;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
54 class JavaCallArguments;
a61af66fc99e Initial load
duke
parents:
diff changeset
55
a61af66fc99e Initial load
duke
parents:
diff changeset
56 // The ThreadShadow class is a helper class to access the _pending_exception
a61af66fc99e Initial load
duke
parents:
diff changeset
57 // field of the Thread class w/o having access to the Thread's interface (for
a61af66fc99e Initial load
duke
parents:
diff changeset
58 // include hierachy reasons).
a61af66fc99e Initial load
duke
parents:
diff changeset
59
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 4825
diff changeset
60 class ThreadShadow: public CHeapObj<mtThread> {
3939
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3272
diff changeset
61 friend class VMStructs;
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3272
diff changeset
62
0
a61af66fc99e Initial load
duke
parents:
diff changeset
63 protected:
13220
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
64 #ifdef GRAAL
8337
37977d1dcedc Transmit deoptimization reason in thread local.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 8328
diff changeset
65 int _pending_deoptimization;
8328
6b6cbd8b8914 Support deoptimizing before the entry to a synchronized method.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7582
diff changeset
66 bool _pending_monitorenter;
13220
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
67 #endif
0
a61af66fc99e Initial load
duke
parents:
diff changeset
68 oop _pending_exception; // Thread has gc actions.
a61af66fc99e Initial load
duke
parents:
diff changeset
69 const char* _exception_file; // file information for exception (debugging only)
a61af66fc99e Initial load
duke
parents:
diff changeset
70 int _exception_line; // line information for exception (debugging only)
a61af66fc99e Initial load
duke
parents:
diff changeset
71 friend void check_ThreadShadow(); // checks _pending_exception offset
a61af66fc99e Initial load
duke
parents:
diff changeset
72
a61af66fc99e Initial load
duke
parents:
diff changeset
73 // The following virtual exists only to force creation of a vtable.
a61af66fc99e Initial load
duke
parents:
diff changeset
74 // We need ThreadShadow to have a vtable, even in product builds,
a61af66fc99e Initial load
duke
parents:
diff changeset
75 // so that its layout will start at an offset of zero relative to Thread.
a61af66fc99e Initial load
duke
parents:
diff changeset
76 // Some C++ compilers are so "clever" that they put the ThreadShadow
a61af66fc99e Initial load
duke
parents:
diff changeset
77 // base class at offset 4 in Thread (after Thread's vtable), if they
a61af66fc99e Initial load
duke
parents:
diff changeset
78 // notice that Thread has a vtable but ThreadShadow does not.
a61af66fc99e Initial load
duke
parents:
diff changeset
79 virtual void unused_initial_virtual() { }
a61af66fc99e Initial load
duke
parents:
diff changeset
80
a61af66fc99e Initial load
duke
parents:
diff changeset
81 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
82 oop pending_exception() const { return _pending_exception; }
a61af66fc99e Initial load
duke
parents:
diff changeset
83 bool has_pending_exception() const { return _pending_exception != NULL; }
a61af66fc99e Initial load
duke
parents:
diff changeset
84 const char* exception_file() const { return _exception_file; }
a61af66fc99e Initial load
duke
parents:
diff changeset
85 int exception_line() const { return _exception_line; }
13220
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
86 #ifdef GRAAL
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
87 int pending_deoptimization() const { return _pending_deoptimization; }
8328
6b6cbd8b8914 Support deoptimizing before the entry to a synchronized method.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7582
diff changeset
88 bool has_pending_monitorenter() const { return _pending_monitorenter; }
13220
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
89 #endif
0
a61af66fc99e Initial load
duke
parents:
diff changeset
90
a61af66fc99e Initial load
duke
parents:
diff changeset
91 // Code generation support
13220
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
92 static ByteSize pending_exception_offset() { return byte_offset_of(ThreadShadow, _pending_exception); }
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
93 #ifdef GRAAL
8337
37977d1dcedc Transmit deoptimization reason in thread local.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 8328
diff changeset
94 static ByteSize pending_deoptimization_offset() { return byte_offset_of(ThreadShadow, _pending_deoptimization); }
8328
6b6cbd8b8914 Support deoptimizing before the entry to a synchronized method.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7582
diff changeset
95 static ByteSize pending_monitorenter_offset() { return byte_offset_of(ThreadShadow, _pending_monitorenter); }
6b6cbd8b8914 Support deoptimizing before the entry to a synchronized method.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7582
diff changeset
96
8337
37977d1dcedc Transmit deoptimization reason in thread local.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 8328
diff changeset
97 void set_pending_monitorenter(bool b) { _pending_monitorenter = b; }
37977d1dcedc Transmit deoptimization reason in thread local.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 8328
diff changeset
98 void set_pending_deoptimization(int reason) { _pending_deoptimization = reason; }
13220
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
99 #endif
0
a61af66fc99e Initial load
duke
parents:
diff changeset
100
a61af66fc99e Initial load
duke
parents:
diff changeset
101 // use THROW whenever possible!
a61af66fc99e Initial load
duke
parents:
diff changeset
102 void set_pending_exception(oop exception, const char* file, int line);
a61af66fc99e Initial load
duke
parents:
diff changeset
103
a61af66fc99e Initial load
duke
parents:
diff changeset
104 // use CLEAR_PENDING_EXCEPTION whenever possible!
a61af66fc99e Initial load
duke
parents:
diff changeset
105 void clear_pending_exception();
a61af66fc99e Initial load
duke
parents:
diff changeset
106
a61af66fc99e Initial load
duke
parents:
diff changeset
107 ThreadShadow() : _pending_exception(NULL),
13220
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
108 _exception_file(NULL), _exception_line(0)
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
109 #ifdef GRAAL
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
110 , _pending_monitorenter(false), _pending_deoptimization(-1)
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
111 #endif
2b43fcc68add Put _pending_deoptimization and _pending_monitorenter under ifdef GRAAL
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12039
diff changeset
112 {}
0
a61af66fc99e Initial load
duke
parents:
diff changeset
113 };
a61af66fc99e Initial load
duke
parents:
diff changeset
114
a61af66fc99e Initial load
duke
parents:
diff changeset
115
a61af66fc99e Initial load
duke
parents:
diff changeset
116 // Exceptions is a helper class that encapsulates all operations
a61af66fc99e Initial load
duke
parents:
diff changeset
117 // that require access to the thread interface and which are
a61af66fc99e Initial load
duke
parents:
diff changeset
118 // relatively rare. The Exceptions operations should only be
a61af66fc99e Initial load
duke
parents:
diff changeset
119 // used directly if the macros below are insufficient.
a61af66fc99e Initial load
duke
parents:
diff changeset
120
a61af66fc99e Initial load
duke
parents:
diff changeset
121 class Exceptions {
a61af66fc99e Initial load
duke
parents:
diff changeset
122 static bool special_exception(Thread *thread, const char* file, int line, Handle exception);
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
123 static bool special_exception(Thread* thread, const char* file, int line, Symbol* name, const char* message);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
124 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
125 // this enum is defined to indicate whether it is safe to
a61af66fc99e Initial load
duke
parents:
diff changeset
126 // ignore the encoding scheme of the original message string.
a61af66fc99e Initial load
duke
parents:
diff changeset
127 typedef enum {
a61af66fc99e Initial load
duke
parents:
diff changeset
128 safe_to_utf8 = 0,
a61af66fc99e Initial load
duke
parents:
diff changeset
129 unsafe_to_utf8 = 1
a61af66fc99e Initial load
duke
parents:
diff changeset
130 } ExceptionMsgToUtf8Mode;
a61af66fc99e Initial load
duke
parents:
diff changeset
131 // Throw exceptions: w/o message, w/ message & with formatted message.
a61af66fc99e Initial load
duke
parents:
diff changeset
132 static void _throw_oop(Thread* thread, const char* file, int line, oop exception);
1011
fcb148c6b605 6889302: TraceExceptions output should include detail message
never
parents: 844
diff changeset
133 static void _throw(Thread* thread, const char* file, int line, Handle exception, const char* msg = NULL);
6271
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
134
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
135 static void _throw_msg(Thread* thread, const char* file, int line, Symbol* name, const char* message);
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
136 static void _throw_msg(Thread* thread, const char* file, int line, Symbol* name, const char* message,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
137 Handle loader, Handle protection_domain);
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
138
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
139 static void _throw_msg_cause(Thread* thread, const char* file, int line, Symbol* name, const char* message, Handle h_cause);
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
140 static void _throw_msg_cause(Thread* thread, const char* file, int line, Symbol* name, const char* message, Handle h_cause,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
141 Handle h_loader, Handle h_protection_domain);
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
142
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
143 static void _throw_cause(Thread* thread, const char* file, int line, Symbol* name, Handle h_cause);
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
144 static void _throw_cause(Thread* thread, const char* file, int line, Symbol* name, Handle h_cause,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
145 Handle h_loader, Handle h_protection_domain);
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
146
0
a61af66fc99e Initial load
duke
parents:
diff changeset
147 static void _throw_args(Thread* thread, const char* file, int line,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
148 Symbol* name, Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
149 JavaCallArguments* args);
a61af66fc99e Initial load
duke
parents:
diff changeset
150
a61af66fc99e Initial load
duke
parents:
diff changeset
151 // There is no THROW... macro for this method. Caller should remember
a61af66fc99e Initial load
duke
parents:
diff changeset
152 // to do a return after calling it.
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
153 static void fthrow(Thread* thread, const char* file, int line, Symbol* name,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
154 const char* format, ...);
a61af66fc99e Initial load
duke
parents:
diff changeset
155
a61af66fc99e Initial load
duke
parents:
diff changeset
156 // Create and initialize a new exception
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
157 static Handle new_exception(Thread* thread, Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
158 Symbol* signature, JavaCallArguments* args,
6271
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
159 Handle loader, Handle protection_domain);
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
160
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
161 static Handle new_exception(Thread* thread, Symbol* name,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
162 Symbol* signature, JavaCallArguments* args,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
163 Handle cause,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
164 Handle loader, Handle protection_domain);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
165
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
166 static Handle new_exception(Thread* thread, Symbol* name,
6271
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
167 Handle cause,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
168 Handle loader, Handle protection_domain,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
169 ExceptionMsgToUtf8Mode to_utf8_safe = safe_to_utf8);
a61af66fc99e Initial load
duke
parents:
diff changeset
170
6271
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
171 static Handle new_exception(Thread* thread, Symbol* name,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
172 const char* message, Handle cause,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
173 Handle loader, Handle protection_domain,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
174 ExceptionMsgToUtf8Mode to_utf8_safe = safe_to_utf8);
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
175
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
176 static Handle new_exception(Thread* thread, Symbol* name,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
177 const char* message,
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
178 ExceptionMsgToUtf8Mode to_utf8_safe = safe_to_utf8);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
179
3272
01147d8aac1d 7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents: 2426
diff changeset
180 static void throw_stack_overflow_exception(Thread* thread, const char* file, int line, methodHandle method);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
181
a61af66fc99e Initial load
duke
parents:
diff changeset
182 // for AbortVMOnException flag
1684
66c5dadb4d61 6973308: Missing zero length check before repne scas in check_klass_subtype_slow_path()
kvn
parents: 1552
diff changeset
183 NOT_PRODUCT(static void debug_check_abort(Handle exception, const char* message = NULL);)
66c5dadb4d61 6973308: Missing zero length check before repne scas in check_klass_subtype_slow_path()
kvn
parents: 1552
diff changeset
184 NOT_PRODUCT(static void debug_check_abort(const char *value_string, const char* message = NULL);)
0
a61af66fc99e Initial load
duke
parents:
diff changeset
185 };
a61af66fc99e Initial load
duke
parents:
diff changeset
186
a61af66fc99e Initial load
duke
parents:
diff changeset
187
a61af66fc99e Initial load
duke
parents:
diff changeset
188 // The THREAD & TRAPS macros facilitate the declaration of functions that throw exceptions.
a61af66fc99e Initial load
duke
parents:
diff changeset
189 // Convention: Use the TRAPS macro as the last argument of such a function; e.g.:
a61af66fc99e Initial load
duke
parents:
diff changeset
190 //
a61af66fc99e Initial load
duke
parents:
diff changeset
191 // int this_function_may_trap(int x, float y, TRAPS)
a61af66fc99e Initial load
duke
parents:
diff changeset
192
a61af66fc99e Initial load
duke
parents:
diff changeset
193 #define THREAD __the_thread__
a61af66fc99e Initial load
duke
parents:
diff changeset
194 #define TRAPS Thread* THREAD
a61af66fc99e Initial load
duke
parents:
diff changeset
195
a61af66fc99e Initial load
duke
parents:
diff changeset
196
a61af66fc99e Initial load
duke
parents:
diff changeset
197 // The CHECK... macros should be used to pass along a THREAD reference and to check for pending
a61af66fc99e Initial load
duke
parents:
diff changeset
198 // exceptions. In special situations it is necessary to handle pending exceptions explicitly,
a61af66fc99e Initial load
duke
parents:
diff changeset
199 // in these cases the PENDING_EXCEPTION helper macros should be used.
a61af66fc99e Initial load
duke
parents:
diff changeset
200 //
a61af66fc99e Initial load
duke
parents:
diff changeset
201 // Macro naming conventions: Macros that end with _ require a result value to be returned. They
a61af66fc99e Initial load
duke
parents:
diff changeset
202 // are for functions with non-void result type. The result value is usually ignored because of
a61af66fc99e Initial load
duke
parents:
diff changeset
203 // the exception and is only needed for syntactic correctness. The _0 ending is a shortcut for
a61af66fc99e Initial load
duke
parents:
diff changeset
204 // _(0) since this is a frequent case. Example:
a61af66fc99e Initial load
duke
parents:
diff changeset
205 //
a61af66fc99e Initial load
duke
parents:
diff changeset
206 // int result = this_function_may_trap(x_arg, y_arg, CHECK_0);
a61af66fc99e Initial load
duke
parents:
diff changeset
207 //
a61af66fc99e Initial load
duke
parents:
diff changeset
208 // CAUTION: make sure that the function call using a CHECK macro is not the only statement of a
a61af66fc99e Initial load
duke
parents:
diff changeset
209 // conditional branch w/o enclosing {} braces, since the CHECK macros expand into several state-
a61af66fc99e Initial load
duke
parents:
diff changeset
210 // ments!
a61af66fc99e Initial load
duke
parents:
diff changeset
211
a61af66fc99e Initial load
duke
parents:
diff changeset
212 #define PENDING_EXCEPTION (((ThreadShadow*)THREAD)->pending_exception())
a61af66fc99e Initial load
duke
parents:
diff changeset
213 #define HAS_PENDING_EXCEPTION (((ThreadShadow*)THREAD)->has_pending_exception())
a61af66fc99e Initial load
duke
parents:
diff changeset
214 #define CLEAR_PENDING_EXCEPTION (((ThreadShadow*)THREAD)->clear_pending_exception())
a61af66fc99e Initial load
duke
parents:
diff changeset
215
10973
ef57c43512d6 8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents: 7582
diff changeset
216 #define CHECK THREAD); if (HAS_PENDING_EXCEPTION) return ; (void)(0
ef57c43512d6 8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents: 7582
diff changeset
217 #define CHECK_(result) THREAD); if (HAS_PENDING_EXCEPTION) return result; (void)(0
0
a61af66fc99e Initial load
duke
parents:
diff changeset
218 #define CHECK_0 CHECK_(0)
a61af66fc99e Initial load
duke
parents:
diff changeset
219 #define CHECK_NH CHECK_(Handle())
a61af66fc99e Initial load
duke
parents:
diff changeset
220 #define CHECK_NULL CHECK_(NULL)
a61af66fc99e Initial load
duke
parents:
diff changeset
221 #define CHECK_false CHECK_(false)
a61af66fc99e Initial load
duke
parents:
diff changeset
222
10973
ef57c43512d6 8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents: 7582
diff changeset
223 #define CHECK_AND_CLEAR THREAD); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; return; } (void)(0
ef57c43512d6 8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents: 7582
diff changeset
224 #define CHECK_AND_CLEAR_(result) THREAD); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; return result; } (void)(0
4825
20334ed5ed3c 7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents: 3939
diff changeset
225 #define CHECK_AND_CLEAR_0 CHECK_AND_CLEAR_(0)
20334ed5ed3c 7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents: 3939
diff changeset
226 #define CHECK_AND_CLEAR_NH CHECK_AND_CLEAR_(Handle())
20334ed5ed3c 7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents: 3939
diff changeset
227 #define CHECK_AND_CLEAR_NULL CHECK_AND_CLEAR_(NULL)
20334ed5ed3c 7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents: 3939
diff changeset
228 #define CHECK_AND_CLEAR_false CHECK_AND_CLEAR_(false)
20334ed5ed3c 7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents: 3939
diff changeset
229
0
a61af66fc99e Initial load
duke
parents:
diff changeset
230 // The THROW... macros should be used to throw an exception. They require a THREAD variable to be
a61af66fc99e Initial load
duke
parents:
diff changeset
231 // visible within the scope containing the THROW. Usually this is achieved by declaring the function
a61af66fc99e Initial load
duke
parents:
diff changeset
232 // with a TRAPS argument.
a61af66fc99e Initial load
duke
parents:
diff changeset
233
a61af66fc99e Initial load
duke
parents:
diff changeset
234 #define THREAD_AND_LOCATION THREAD, __FILE__, __LINE__
a61af66fc99e Initial load
duke
parents:
diff changeset
235
a61af66fc99e Initial load
duke
parents:
diff changeset
236 #define THROW_OOP(e) \
a61af66fc99e Initial load
duke
parents:
diff changeset
237 { Exceptions::_throw_oop(THREAD_AND_LOCATION, e); return; }
a61af66fc99e Initial load
duke
parents:
diff changeset
238
a61af66fc99e Initial load
duke
parents:
diff changeset
239 #define THROW_HANDLE(e) \
a61af66fc99e Initial load
duke
parents:
diff changeset
240 { Exceptions::_throw(THREAD_AND_LOCATION, e); return; }
a61af66fc99e Initial load
duke
parents:
diff changeset
241
a61af66fc99e Initial load
duke
parents:
diff changeset
242 #define THROW(name) \
a61af66fc99e Initial load
duke
parents:
diff changeset
243 { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, NULL); return; }
a61af66fc99e Initial load
duke
parents:
diff changeset
244
a61af66fc99e Initial load
duke
parents:
diff changeset
245 #define THROW_MSG(name, message) \
a61af66fc99e Initial load
duke
parents:
diff changeset
246 { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message); return; }
a61af66fc99e Initial load
duke
parents:
diff changeset
247
6271
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
248 #define THROW_CAUSE(name, cause) \
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
249 { Exceptions::_throw_cause(THREAD_AND_LOCATION, name, cause); return; }
93c71eb28866 7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents: 6266
diff changeset
250
0
a61af66fc99e Initial load
duke
parents:
diff changeset
251 #define THROW_MSG_LOADER(name, message, loader, protection_domain) \
a61af66fc99e Initial load
duke
parents:
diff changeset
252 { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message, loader, protection_domain); return; }
a61af66fc99e Initial load
duke
parents:
diff changeset
253
a61af66fc99e Initial load
duke
parents:
diff changeset
254 #define THROW_ARG(name, signature, args) \
a61af66fc99e Initial load
duke
parents:
diff changeset
255 { Exceptions::_throw_args(THREAD_AND_LOCATION, name, signature, args); return; }
a61af66fc99e Initial load
duke
parents:
diff changeset
256
a61af66fc99e Initial load
duke
parents:
diff changeset
257 #define THROW_OOP_(e, result) \
a61af66fc99e Initial load
duke
parents:
diff changeset
258 { Exceptions::_throw_oop(THREAD_AND_LOCATION, e); return result; }
a61af66fc99e Initial load
duke
parents:
diff changeset
259
a61af66fc99e Initial load
duke
parents:
diff changeset
260 #define THROW_HANDLE_(e, result) \
a61af66fc99e Initial load
duke
parents:
diff changeset
261 { Exceptions::_throw(THREAD_AND_LOCATION, e); return result; }
a61af66fc99e Initial load
duke
parents:
diff changeset
262
a61af66fc99e Initial load
duke
parents:
diff changeset
263 #define THROW_(name, result) \
a61af66fc99e Initial load
duke
parents:
diff changeset
264 { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, NULL); return result; }
a61af66fc99e Initial load
duke
parents:
diff changeset
265
a61af66fc99e Initial load
duke
parents:
diff changeset
266 #define THROW_MSG_(name, message, result) \
a61af66fc99e Initial load
duke
parents:
diff changeset
267 { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message); return result; }
a61af66fc99e Initial load
duke
parents:
diff changeset
268
a61af66fc99e Initial load
duke
parents:
diff changeset
269 #define THROW_MSG_LOADER_(name, message, loader, protection_domain, result) \
a61af66fc99e Initial load
duke
parents:
diff changeset
270 { Exceptions::_throw_msg(THREAD_AND_LOCATION, name, message, loader, protection_domain); return result; }
a61af66fc99e Initial load
duke
parents:
diff changeset
271
a61af66fc99e Initial load
duke
parents:
diff changeset
272 #define THROW_ARG_(name, signature, args, result) \
a61af66fc99e Initial load
duke
parents:
diff changeset
273 { Exceptions::_throw_args(THREAD_AND_LOCATION, name, signature, args); return result; }
a61af66fc99e Initial load
duke
parents:
diff changeset
274
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6197
diff changeset
275 #define THROW_MSG_CAUSE(name, message, cause) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6197
diff changeset
276 { Exceptions::_throw_msg_cause(THREAD_AND_LOCATION, name, message, cause); return; }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6197
diff changeset
277
0
a61af66fc99e Initial load
duke
parents:
diff changeset
278 #define THROW_MSG_CAUSE_(name, message, cause, result) \
a61af66fc99e Initial load
duke
parents:
diff changeset
279 { Exceptions::_throw_msg_cause(THREAD_AND_LOCATION, name, message, cause); return result; }
a61af66fc99e Initial load
duke
parents:
diff changeset
280
a61af66fc99e Initial load
duke
parents:
diff changeset
281
a61af66fc99e Initial load
duke
parents:
diff changeset
282 #define THROW_OOP_0(e) THROW_OOP_(e, 0)
a61af66fc99e Initial load
duke
parents:
diff changeset
283 #define THROW_HANDLE_0(e) THROW_HANDLE_(e, 0)
a61af66fc99e Initial load
duke
parents:
diff changeset
284 #define THROW_0(name) THROW_(name, 0)
a61af66fc99e Initial load
duke
parents:
diff changeset
285 #define THROW_MSG_0(name, message) THROW_MSG_(name, message, 0)
a61af66fc99e Initial load
duke
parents:
diff changeset
286 #define THROW_WRAPPED_0(name, oop_to_wrap) THROW_WRAPPED_(name, oop_to_wrap, 0)
a61af66fc99e Initial load
duke
parents:
diff changeset
287 #define THROW_ARG_0(name, signature, arg) THROW_ARG_(name, signature, arg, 0)
a61af66fc99e Initial load
duke
parents:
diff changeset
288 #define THROW_MSG_CAUSE_0(name, message, cause) THROW_MSG_CAUSE_(name, message, cause, 0)
7582
aefb345d3f5e 7199207: NPG: Crash in PlaceholderTable::verify after StackOverflow
acorn
parents: 6729
diff changeset
289 #define THROW_MSG_CAUSE_NULL(name, message, cause) THROW_MSG_CAUSE_(name, message, cause, NULL)
0
a61af66fc99e Initial load
duke
parents:
diff changeset
290
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
291 #define THROW_NULL(name) THROW_(name, NULL)
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
292 #define THROW_MSG_NULL(name, message) THROW_MSG_(name, message, NULL)
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
293
0
a61af66fc99e Initial load
duke
parents:
diff changeset
294 // The CATCH macro checks that no exception has been thrown by a function; it is used at
a61af66fc99e Initial load
duke
parents:
diff changeset
295 // call sites about which is statically known that the callee cannot throw an exception
a61af66fc99e Initial load
duke
parents:
diff changeset
296 // even though it is declared with TRAPS.
a61af66fc99e Initial load
duke
parents:
diff changeset
297
a61af66fc99e Initial load
duke
parents:
diff changeset
298 #define CATCH \
a61af66fc99e Initial load
duke
parents:
diff changeset
299 THREAD); if (HAS_PENDING_EXCEPTION) { \
a61af66fc99e Initial load
duke
parents:
diff changeset
300 oop ex = PENDING_EXCEPTION; \
a61af66fc99e Initial load
duke
parents:
diff changeset
301 CLEAR_PENDING_EXCEPTION; \
a61af66fc99e Initial load
duke
parents:
diff changeset
302 ex->print(); \
a61af66fc99e Initial load
duke
parents:
diff changeset
303 ShouldNotReachHere(); \
10973
ef57c43512d6 8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents: 7582
diff changeset
304 } (void)(0
0
a61af66fc99e Initial load
duke
parents:
diff changeset
305
a61af66fc99e Initial load
duke
parents:
diff changeset
306 // ExceptionMark is a stack-allocated helper class for local exception handling.
a61af66fc99e Initial load
duke
parents:
diff changeset
307 // It is used with the EXCEPTION_MARK macro.
a61af66fc99e Initial load
duke
parents:
diff changeset
308
a61af66fc99e Initial load
duke
parents:
diff changeset
309 class ExceptionMark {
a61af66fc99e Initial load
duke
parents:
diff changeset
310 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
311 Thread* _thread;
a61af66fc99e Initial load
duke
parents:
diff changeset
312
a61af66fc99e Initial load
duke
parents:
diff changeset
313 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
314 ExceptionMark(Thread*& thread);
a61af66fc99e Initial load
duke
parents:
diff changeset
315 ~ExceptionMark();
a61af66fc99e Initial load
duke
parents:
diff changeset
316 };
a61af66fc99e Initial load
duke
parents:
diff changeset
317
a61af66fc99e Initial load
duke
parents:
diff changeset
318
a61af66fc99e Initial load
duke
parents:
diff changeset
319
a61af66fc99e Initial load
duke
parents:
diff changeset
320 // Use an EXCEPTION_MARK for 'local' exceptions. EXCEPTION_MARK makes sure that no
a61af66fc99e Initial load
duke
parents:
diff changeset
321 // pending exception exists upon entering its scope and tests that no pending exception
a61af66fc99e Initial load
duke
parents:
diff changeset
322 // exists when leaving the scope.
a61af66fc99e Initial load
duke
parents:
diff changeset
323
a61af66fc99e Initial load
duke
parents:
diff changeset
324 // See also preserveException.hpp for PRESERVE_EXCEPTION_MARK macro,
a61af66fc99e Initial load
duke
parents:
diff changeset
325 // which preserves pre-existing exceptions and does not allow new
a61af66fc99e Initial load
duke
parents:
diff changeset
326 // exceptions.
a61af66fc99e Initial load
duke
parents:
diff changeset
327
12032
5d9995d16b26 8022899: SunStudio compiler can not handle EXCEPTION_MARK and inlining
ehelin
parents: 10973
diff changeset
328 #define EXCEPTION_MARK Thread* THREAD = NULL; ExceptionMark __em(THREAD);
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1684
diff changeset
329
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1684
diff changeset
330 #endif // SHARE_VM_UTILITIES_EXCEPTIONS_HPP