Mercurial > hg > truffle
annotate src/share/vm/utilities/exceptions.cpp @ 20463:ed3d653e4012
8055289: Internal Error: mallocTracker.cpp:146 fatal error: Should not use malloc for big memory block, use virtual memory instead
Summary: Return NULL if memory allocation size is bigger than MAX_MALLOC_SIZE when NMT is on
Reviewed-by: coleenp, gtriantafill
author | zgu |
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date | Thu, 04 Sep 2014 14:50:31 -0400 |
parents | 6e0cb14ce59b |
children | 7848fc12602b |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/systemDictionary.hpp" | |
27 #include "classfile/vmSymbols.hpp" | |
28 #include "compiler/compileBroker.hpp" | |
29 #include "oops/oop.inline.hpp" | |
30 #include "runtime/init.hpp" | |
31 #include "runtime/java.hpp" | |
32 #include "runtime/javaCalls.hpp" | |
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33 #include "runtime/thread.inline.hpp" |
1972 | 34 #include "runtime/threadCritical.hpp" |
35 #include "utilities/events.hpp" | |
36 #include "utilities/exceptions.hpp" | |
0 | 37 |
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38 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
0 | 39 |
40 // Implementation of ThreadShadow | |
41 void check_ThreadShadow() { | |
42 const ByteSize offset1 = byte_offset_of(ThreadShadow, _pending_exception); | |
43 const ByteSize offset2 = Thread::pending_exception_offset(); | |
44 if (offset1 != offset2) fatal("ThreadShadow::_pending_exception is not positioned correctly"); | |
45 } | |
46 | |
47 | |
48 void ThreadShadow::set_pending_exception(oop exception, const char* file, int line) { | |
49 assert(exception != NULL && exception->is_oop(), "invalid exception oop"); | |
50 _pending_exception = exception; | |
51 _exception_file = file; | |
52 _exception_line = line; | |
53 } | |
54 | |
55 void ThreadShadow::clear_pending_exception() { | |
56 if (TraceClearedExceptions) { | |
57 if (_pending_exception != NULL) { | |
58 tty->print_cr("Thread::clear_pending_exception: cleared exception:"); | |
59 _pending_exception->print(); | |
60 } | |
61 } | |
62 _pending_exception = NULL; | |
63 _exception_file = NULL; | |
64 _exception_line = 0; | |
65 } | |
66 // Implementation of Exceptions | |
67 | |
68 bool Exceptions::special_exception(Thread* thread, const char* file, int line, Handle h_exception) { | |
69 // bootstrapping check | |
70 if (!Universe::is_fully_initialized()) { | |
71 vm_exit_during_initialization(h_exception); | |
72 ShouldNotReachHere(); | |
73 } | |
74 | |
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75 #ifdef ASSERT |
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76 // Check for trying to throw stack overflow before initialization is complete |
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77 // to prevent infinite recursion trying to initialize stack overflow without |
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78 // adequate stack space. |
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79 // This can happen with stress testing a large value of StackShadowPages |
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80 if (h_exception()->klass() == SystemDictionary::StackOverflowError_klass()) { |
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81 InstanceKlass* ik = InstanceKlass::cast(h_exception->klass()); |
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82 assert(ik->is_initialized(), |
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83 "need to increase min_stack_allowed calculation"); |
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84 } |
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85 #endif // ASSERT |
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86 |
0 | 87 if (thread->is_VM_thread() |
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88 || thread->is_Compiler_thread() |
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89 || DumpSharedSpaces ) { |
0 | 90 // We do not care what kind of exception we get for the vm-thread or a thread which |
91 // is compiling. We just install a dummy exception object | |
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92 // |
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93 // We also cannot throw a proper exception when dumping, because we cannot run |
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94 // Java bytecodes now. A dummy exception will suffice. |
0 | 95 thread->set_pending_exception(Universe::vm_exception(), file, line); |
96 return true; | |
97 } | |
98 | |
99 return false; | |
100 } | |
101 | |
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102 bool Exceptions::special_exception(Thread* thread, const char* file, int line, Symbol* h_name, const char* message) { |
0 | 103 // bootstrapping check |
104 if (!Universe::is_fully_initialized()) { | |
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105 if (h_name == NULL) { |
0 | 106 // atleast an informative message. |
107 vm_exit_during_initialization("Exception", message); | |
108 } else { | |
109 vm_exit_during_initialization(h_name, message); | |
110 } | |
111 ShouldNotReachHere(); | |
112 } | |
113 | |
114 if (thread->is_VM_thread() | |
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115 || thread->is_Compiler_thread() |
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116 || DumpSharedSpaces ) { |
0 | 117 // We do not care what kind of exception we get for the vm-thread or a thread which |
118 // is compiling. We just install a dummy exception object | |
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119 // |
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120 // We also cannot throw a proper exception when dumping, because we cannot run |
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121 // Java bytecodes now. A dummy exception will suffice. |
0 | 122 thread->set_pending_exception(Universe::vm_exception(), file, line); |
123 return true; | |
124 } | |
125 return false; | |
126 } | |
127 | |
128 // This method should only be called from generated code, | |
129 // therefore the exception oop should be in the oopmap. | |
130 void Exceptions::_throw_oop(Thread* thread, const char* file, int line, oop exception) { | |
131 assert(exception != NULL, "exception should not be NULL"); | |
132 Handle h_exception = Handle(thread, exception); | |
133 _throw(thread, file, line, h_exception); | |
134 } | |
135 | |
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136 void Exceptions::_throw(Thread* thread, const char* file, int line, Handle h_exception, const char* message) { |
12002 | 137 ResourceMark rm; |
0 | 138 assert(h_exception() != NULL, "exception should not be NULL"); |
139 | |
140 // tracing (do this up front - so it works during boot strapping) | |
141 if (TraceExceptions) { | |
142 ttyLocker ttyl; | |
12002 | 143 tty->print_cr("Exception <%s%s%s> (" INTPTR_FORMAT ") \n" |
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144 "thrown [%s, line %d]\nfor thread " INTPTR_FORMAT, |
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145 h_exception->print_value_string(), |
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146 message ? ": " : "", message ? message : "", |
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147 (address)h_exception(), file, line, thread); |
0 | 148 } |
149 // for AbortVMOnException flag | |
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150 NOT_PRODUCT(Exceptions::debug_check_abort(h_exception, message)); |
0 | 151 |
152 // Check for special boot-strapping/vm-thread handling | |
12002 | 153 if (special_exception(thread, file, line, h_exception)) { |
154 return; | |
155 } | |
0 | 156 |
1142 | 157 assert(h_exception->is_a(SystemDictionary::Throwable_klass()), "exception is not a subclass of java/lang/Throwable"); |
0 | 158 |
159 // set the pending exception | |
160 thread->set_pending_exception(h_exception(), file, line); | |
161 | |
162 // vm log | |
12002 | 163 Events::log_exception(thread, "Exception <%s%s%s> (" INTPTR_FORMAT ") thrown at [%s, line %d]", |
164 h_exception->print_value_string(), message ? ": " : "", message ? message : "", | |
165 (address)h_exception(), file, line); | |
0 | 166 } |
167 | |
168 | |
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169 void Exceptions::_throw_msg(Thread* thread, const char* file, int line, Symbol* name, const char* message, |
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170 Handle h_loader, Handle h_protection_domain) { |
0 | 171 // Check for special boot-strapping/vm-thread handling |
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172 if (special_exception(thread, file, line, name, message)) return; |
0 | 173 // Create and throw exception |
174 Handle h_cause(thread, NULL); | |
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175 Handle h_exception = new_exception(thread, name, message, h_cause, h_loader, h_protection_domain); |
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176 _throw(thread, file, line, h_exception, message); |
0 | 177 } |
178 | |
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179 void Exceptions::_throw_msg_cause(Thread* thread, const char* file, int line, Symbol* name, const char* message, Handle h_cause, |
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180 Handle h_loader, Handle h_protection_domain) { |
0 | 181 // Check for special boot-strapping/vm-thread handling |
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182 if (special_exception(thread, file, line, name, message)) return; |
0 | 183 // Create and throw exception and init cause |
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184 Handle h_exception = new_exception(thread, name, message, h_cause, h_loader, h_protection_domain); |
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185 _throw(thread, file, line, h_exception, message); |
0 | 186 } |
187 | |
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188 void Exceptions::_throw_cause(Thread* thread, const char* file, int line, Symbol* name, Handle h_cause, |
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189 Handle h_loader, Handle h_protection_domain) { |
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190 // Check for special boot-strapping/vm-thread handling |
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191 if (special_exception(thread, file, line, h_cause)) return; |
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192 // Create and throw exception |
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193 Handle h_exception = new_exception(thread, name, h_cause, h_loader, h_protection_domain); |
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194 _throw(thread, file, line, h_exception, NULL); |
0 | 195 } |
196 | |
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197 void Exceptions::_throw_args(Thread* thread, const char* file, int line, Symbol* name, Symbol* signature, JavaCallArguments *args) { |
0 | 198 // Check for special boot-strapping/vm-thread handling |
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199 if (special_exception(thread, file, line, name, NULL)) return; |
0 | 200 // Create and throw exception |
201 Handle h_loader(thread, NULL); | |
202 Handle h_prot(thread, NULL); | |
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203 Handle exception = new_exception(thread, name, signature, args, h_loader, h_prot); |
0 | 204 _throw(thread, file, line, exception); |
205 } | |
206 | |
207 | |
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208 // Methods for default parameters. |
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209 // NOTE: These must be here (and not in the header file) because of include circularities. |
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210 void Exceptions::_throw_msg_cause(Thread* thread, const char* file, int line, Symbol* name, const char* message, Handle h_cause) { |
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211 _throw_msg_cause(thread, file, line, name, message, h_cause, Handle(thread, NULL), Handle(thread, NULL)); |
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212 } |
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213 void Exceptions::_throw_msg(Thread* thread, const char* file, int line, Symbol* name, const char* message) { |
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214 _throw_msg(thread, file, line, name, message, Handle(thread, NULL), Handle(thread, NULL)); |
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215 } |
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216 void Exceptions::_throw_cause(Thread* thread, const char* file, int line, Symbol* name, Handle h_cause) { |
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217 _throw_cause(thread, file, line, name, h_cause, Handle(thread, NULL), Handle(thread, NULL)); |
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218 } |
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219 |
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220 |
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221 void Exceptions::throw_stack_overflow_exception(Thread* THREAD, const char* file, int line, methodHandle method) { |
0 | 222 Handle exception; |
223 if (!THREAD->has_pending_exception()) { | |
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224 Klass* k = SystemDictionary::StackOverflowError_klass(); |
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225 oop e = InstanceKlass::cast(k)->allocate_instance(CHECK); |
0 | 226 exception = Handle(THREAD, e); // fill_in_stack trace does gc |
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227 assert(InstanceKlass::cast(k)->is_initialized(), "need to increase min_stack_allowed calculation"); |
0 | 228 if (StackTraceInThrowable) { |
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229 java_lang_Throwable::fill_in_stack_trace(exception, method()); |
0 | 230 } |
231 } else { | |
232 // if prior exception, throw that one instead | |
233 exception = Handle(THREAD, THREAD->pending_exception()); | |
234 } | |
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235 _throw(THREAD, file, line, exception); |
0 | 236 } |
237 | |
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238 void Exceptions::fthrow(Thread* thread, const char* file, int line, Symbol* h_name, const char* format, ...) { |
0 | 239 const int max_msg_size = 1024; |
240 va_list ap; | |
241 va_start(ap, format); | |
242 char msg[max_msg_size]; | |
243 vsnprintf(msg, max_msg_size, format, ap); | |
244 msg[max_msg_size-1] = '\0'; | |
245 va_end(ap); | |
246 _throw_msg(thread, file, line, h_name, msg); | |
247 } | |
248 | |
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249 |
0 | 250 // Creates an exception oop, calls the <init> method with the given signature. |
251 // and returns a Handle | |
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252 Handle Exceptions::new_exception(Thread *thread, Symbol* name, |
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253 Symbol* signature, JavaCallArguments *args, |
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254 Handle h_loader, Handle h_protection_domain) { |
0 | 255 assert(Universe::is_fully_initialized(), |
256 "cannot be called during initialization"); | |
257 assert(thread->is_Java_thread(), "can only be called by a Java thread"); | |
258 assert(!thread->has_pending_exception(), "already has exception"); | |
259 | |
260 Handle h_exception; | |
261 | |
262 // Resolve exception klass | |
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263 Klass* ik = SystemDictionary::resolve_or_fail(name, h_loader, h_protection_domain, true, thread); |
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264 instanceKlassHandle klass(thread, ik); |
0 | 265 |
266 if (!thread->has_pending_exception()) { | |
267 assert(klass.not_null(), "klass must exist"); | |
268 // We are about to create an instance - so make sure that klass is initialized | |
269 klass->initialize(thread); | |
270 if (!thread->has_pending_exception()) { | |
271 // Allocate new exception | |
272 h_exception = klass->allocate_instance_handle(thread); | |
273 if (!thread->has_pending_exception()) { | |
274 JavaValue result(T_VOID); | |
275 args->set_receiver(h_exception); | |
276 // Call constructor | |
277 JavaCalls::call_special(&result, klass, | |
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278 vmSymbols::object_initializer_name(), |
0 | 279 signature, |
280 args, | |
281 thread); | |
282 } | |
283 } | |
284 } | |
285 | |
286 // Check if another exception was thrown in the process, if so rethrow that one | |
287 if (thread->has_pending_exception()) { | |
288 h_exception = Handle(thread, thread->pending_exception()); | |
289 thread->clear_pending_exception(); | |
290 } | |
291 return h_exception; | |
292 } | |
293 | |
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294 // Creates an exception oop, calls the <init> method with the given signature. |
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295 // and returns a Handle |
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296 // Initializes the cause if cause non-null |
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297 Handle Exceptions::new_exception(Thread *thread, Symbol* name, |
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298 Symbol* signature, JavaCallArguments *args, |
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299 Handle h_cause, |
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300 Handle h_loader, Handle h_protection_domain) { |
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301 Handle h_exception = new_exception(thread, name, signature, args, h_loader, h_protection_domain); |
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302 |
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303 // Future: object initializer should take a cause argument |
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304 if (h_cause.not_null()) { |
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305 assert(h_cause->is_a(SystemDictionary::Throwable_klass()), |
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306 "exception cause is not a subclass of java/lang/Throwable"); |
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307 JavaValue result1(T_OBJECT); |
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308 JavaCallArguments args1; |
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309 args1.set_receiver(h_exception); |
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310 args1.push_oop(h_cause); |
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311 JavaCalls::call_virtual(&result1, h_exception->klass(), |
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312 vmSymbols::initCause_name(), |
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313 vmSymbols::throwable_throwable_signature(), |
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314 &args1, |
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315 thread); |
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316 } |
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317 |
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318 // Check if another exception was thrown in the process, if so rethrow that one |
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319 if (thread->has_pending_exception()) { |
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320 h_exception = Handle(thread, thread->pending_exception()); |
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321 thread->clear_pending_exception(); |
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322 } |
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323 return h_exception; |
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324 } |
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325 |
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326 // Convenience method. Calls either the <init>() or <init>(Throwable) method when |
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327 // creating a new exception |
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328 Handle Exceptions::new_exception(Thread* thread, Symbol* name, |
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329 Handle h_cause, |
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330 Handle h_loader, Handle h_protection_domain, |
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331 ExceptionMsgToUtf8Mode to_utf8_safe) { |
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332 JavaCallArguments args; |
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333 Symbol* signature = NULL; |
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334 if (h_cause.is_null()) { |
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335 signature = vmSymbols::void_method_signature(); |
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336 } else { |
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337 signature = vmSymbols::throwable_void_signature(); |
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338 args.push_oop(h_cause); |
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339 } |
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340 return new_exception(thread, name, signature, &args, h_loader, h_protection_domain); |
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341 } |
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342 |
0 | 343 // Convenience method. Calls either the <init>() or <init>(String) method when |
344 // creating a new exception | |
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345 Handle Exceptions::new_exception(Thread* thread, Symbol* name, |
0 | 346 const char* message, Handle h_cause, |
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347 Handle h_loader, Handle h_protection_domain, |
0 | 348 ExceptionMsgToUtf8Mode to_utf8_safe) { |
349 JavaCallArguments args; | |
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350 Symbol* signature = NULL; |
0 | 351 if (message == NULL) { |
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352 signature = vmSymbols::void_method_signature(); |
0 | 353 } else { |
354 // We want to allocate storage, but we can't do that if there's | |
355 // a pending exception, so we preserve any pending exception | |
356 // around the allocation. | |
357 // If we get an exception from the allocation, prefer that to | |
358 // the exception we are trying to build, or the pending exception. | |
359 // This is sort of like what PRESERVE_EXCEPTION_MARK does, except | |
360 // for the preferencing and the early returns. | |
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361 Handle incoming_exception(thread, NULL); |
0 | 362 if (thread->has_pending_exception()) { |
363 incoming_exception = Handle(thread, thread->pending_exception()); | |
364 thread->clear_pending_exception(); | |
365 } | |
366 Handle msg; | |
367 if (to_utf8_safe == safe_to_utf8) { | |
368 // Make a java UTF8 string. | |
369 msg = java_lang_String::create_from_str(message, thread); | |
370 } else { | |
371 // Make a java string keeping the encoding scheme of the original string. | |
372 msg = java_lang_String::create_from_platform_dependent_str(message, thread); | |
373 } | |
374 if (thread->has_pending_exception()) { | |
375 Handle exception(thread, thread->pending_exception()); | |
376 thread->clear_pending_exception(); | |
377 return exception; | |
378 } | |
379 if (incoming_exception.not_null()) { | |
380 return incoming_exception; | |
381 } | |
382 args.push_oop(msg); | |
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383 signature = vmSymbols::string_void_signature(); |
0 | 384 } |
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385 return new_exception(thread, name, signature, &args, h_cause, h_loader, h_protection_domain); |
0 | 386 } |
387 | |
388 // Another convenience method that creates handles for null class loaders and | |
389 // protection domains and null causes. | |
390 // If the last parameter 'to_utf8_mode' is safe_to_utf8, | |
391 // it means we can safely ignore the encoding scheme of the message string and | |
392 // convert it directly to a java UTF8 string. Otherwise, we need to take the | |
393 // encoding scheme of the string into account. One thing we should do at some | |
394 // point is to push this flag down to class java_lang_String since other | |
395 // classes may need similar functionalities. | |
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396 Handle Exceptions::new_exception(Thread* thread, Symbol* name, |
0 | 397 const char* message, |
398 ExceptionMsgToUtf8Mode to_utf8_safe) { | |
399 | |
400 Handle h_loader(thread, NULL); | |
401 Handle h_prot(thread, NULL); | |
402 Handle h_cause(thread, NULL); | |
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403 return Exceptions::new_exception(thread, name, message, h_cause, h_loader, |
0 | 404 h_prot, to_utf8_safe); |
405 } | |
406 | |
407 // Implementation of ExceptionMark | |
408 | |
409 ExceptionMark::ExceptionMark(Thread*& thread) { | |
410 thread = Thread::current(); | |
411 _thread = thread; | |
412 if (_thread->has_pending_exception()) { | |
413 oop exception = _thread->pending_exception(); | |
414 _thread->clear_pending_exception(); // Needed to avoid infinite recursion | |
415 exception->print(); | |
416 fatal("ExceptionMark constructor expects no pending exceptions"); | |
417 } | |
418 } | |
419 | |
420 | |
421 ExceptionMark::~ExceptionMark() { | |
422 if (_thread->has_pending_exception()) { | |
423 Handle exception(_thread, _thread->pending_exception()); | |
424 _thread->clear_pending_exception(); // Needed to avoid infinite recursion | |
425 if (is_init_completed()) { | |
426 exception->print(); | |
427 fatal("ExceptionMark destructor expects no pending exceptions"); | |
428 } else { | |
429 vm_exit_during_initialization(exception); | |
430 } | |
431 } | |
432 } | |
433 | |
434 // ---------------------------------------------------------------------------------------- | |
435 | |
436 #ifndef PRODUCT | |
437 // caller frees value_string if necessary | |
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438 void Exceptions::debug_check_abort(const char *value_string, const char* message) { |
0 | 439 if (AbortVMOnException != NULL && value_string != NULL && |
440 strstr(value_string, AbortVMOnException)) { | |
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441 if (AbortVMOnExceptionMessage == NULL || message == NULL || |
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442 strcmp(message, AbortVMOnExceptionMessage) == 0) { |
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443 fatal(err_msg("Saw %s, aborting", value_string)); |
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444 } |
0 | 445 } |
446 } | |
447 | |
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448 void Exceptions::debug_check_abort(Handle exception, const char* message) { |
0 | 449 if (AbortVMOnException != NULL) { |
450 ResourceMark rm; | |
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451 if (message == NULL && exception->is_a(SystemDictionary::Throwable_klass())) { |
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452 oop msg = java_lang_Throwable::message(exception); |
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453 if (msg != NULL) { |
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454 message = java_lang_String::as_utf8_string(msg); |
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455 } |
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456 } |
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457 debug_check_abort(InstanceKlass::cast(exception()->klass())->external_name(), message); |
0 | 458 } |
459 } | |
460 #endif |