author | jwilhelm |
Thu, 02 Mar 2017 17:46:59 +0100 | |
changeset 44093 | e22e0d071bf9 |
parent 40655 | 9f644073d3a0 |
child 46329 | 53ccc37bda19 |
permissions | -rw-r--r-- |
6187 | 1 |
/* |
40010 | 2 |
* Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved. |
6187 | 3 |
* Copyright 2008, 2009, 2010 Red Hat, Inc. |
4 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
|
5 |
* |
|
6 |
* This code is free software; you can redistribute it and/or modify it |
|
7 |
* under the terms of the GNU General Public License version 2 only, as |
|
8 |
* published by the Free Software Foundation. |
|
9 |
* |
|
10 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
11 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
12 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
13 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
14 |
* accompanied this code). |
|
15 |
* |
|
16 |
* You should have received a copy of the GNU General Public License version |
|
17 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
18 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
19 |
* |
|
20 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
21 |
* or visit www.oracle.com if you need additional information or have any |
|
22 |
* questions. |
|
23 |
* |
|
24 |
*/ |
|
25 |
||
7397 | 26 |
#include "precompiled.hpp" |
40655
9f644073d3a0
8157907: Incorrect inclusion of atomic.hpp instead of atomic.inline.hpp
dholmes
parents:
40010
diff
changeset
|
27 |
#include "runtime/atomic.hpp" |
7397 | 28 |
#include "runtime/biasedLocking.hpp" |
29 |
#include "runtime/deoptimization.hpp" |
|
30 |
#include "runtime/thread.hpp" |
|
31 |
#include "shark/llvmHeaders.hpp" |
|
32 |
#include "shark/sharkRuntime.hpp" |
|
40010 | 33 |
#include "utilities/macros.hpp" |
34 |
#ifdef ZERO |
|
7397 | 35 |
# include "stack_zero.inline.hpp" |
36 |
#endif |
|
6187 | 37 |
|
38 |
using namespace llvm; |
|
39 |
||
40 |
JRT_ENTRY(int, SharkRuntime::find_exception_handler(JavaThread* thread, |
|
41 |
int* indexes, |
|
42 |
int num_indexes)) |
|
43 |
constantPoolHandle pool(thread, method(thread)->constants()); |
|
44 |
KlassHandle exc_klass(thread, ((oop) tos_at(thread, 0))->klass()); |
|
45 |
||
46 |
for (int i = 0; i < num_indexes; i++) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
7397
diff
changeset
|
47 |
Klass* tmp = pool->klass_at(indexes[i], CHECK_0); |
6187 | 48 |
KlassHandle chk_klass(thread, tmp); |
49 |
||
50 |
if (exc_klass() == chk_klass()) |
|
51 |
return i; |
|
52 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
7397
diff
changeset
|
53 |
if (exc_klass()->is_subtype_of(chk_klass())) |
6187 | 54 |
return i; |
55 |
} |
|
56 |
||
57 |
return -1; |
|
58 |
JRT_END |
|
59 |
||
60 |
JRT_ENTRY(void, SharkRuntime::monitorenter(JavaThread* thread, |
|
61 |
BasicObjectLock* lock)) |
|
62 |
if (PrintBiasedLockingStatistics) |
|
63 |
Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); |
|
64 |
||
65 |
Handle object(thread, lock->obj()); |
|
66 |
assert(Universe::heap()->is_in_reserved_or_null(object()), "should be"); |
|
67 |
if (UseBiasedLocking) { |
|
68 |
// Retry fast entry if bias is revoked to avoid unnecessary inflation |
|
69 |
ObjectSynchronizer::fast_enter(object, lock->lock(), true, CHECK); |
|
70 |
} else { |
|
71 |
ObjectSynchronizer::slow_enter(object, lock->lock(), CHECK); |
|
72 |
} |
|
73 |
assert(Universe::heap()->is_in_reserved_or_null(lock->obj()), "should be"); |
|
74 |
JRT_END |
|
75 |
||
76 |
JRT_ENTRY(void, SharkRuntime::monitorexit(JavaThread* thread, |
|
77 |
BasicObjectLock* lock)) |
|
78 |
Handle object(thread, lock->obj()); |
|
79 |
assert(Universe::heap()->is_in_reserved_or_null(object()), "should be"); |
|
80 |
if (lock == NULL || object()->is_unlocked()) { |
|
81 |
THROW(vmSymbols::java_lang_IllegalMonitorStateException()); |
|
82 |
} |
|
83 |
ObjectSynchronizer::slow_exit(object(), lock->lock(), thread); |
|
84 |
JRT_END |
|
85 |
||
86 |
JRT_ENTRY(void, SharkRuntime::new_instance(JavaThread* thread, int index)) |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
7397
diff
changeset
|
87 |
Klass* k_oop = method(thread)->constants()->klass_at(index, CHECK); |
6187 | 88 |
instanceKlassHandle klass(THREAD, k_oop); |
89 |
||
90 |
// Make sure we are not instantiating an abstract klass |
|
91 |
klass->check_valid_for_instantiation(true, CHECK); |
|
92 |
||
93 |
// Make sure klass is initialized |
|
94 |
klass->initialize(CHECK); |
|
95 |
||
96 |
// At this point the class may not be fully initialized |
|
97 |
// because of recursive initialization. If it is fully |
|
98 |
// initialized & has_finalized is not set, we rewrite |
|
99 |
// it into its fast version (Note: no locking is needed |
|
100 |
// here since this is an atomic byte write and can be |
|
101 |
// done more than once). |
|
102 |
// |
|
103 |
// Note: In case of classes with has_finalized we don't |
|
104 |
// rewrite since that saves us an extra check in |
|
105 |
// the fast version which then would call the |
|
106 |
// slow version anyway (and do a call back into |
|
107 |
// Java). |
|
108 |
// If we have a breakpoint, then we don't rewrite |
|
109 |
// because the _breakpoint bytecode would be lost. |
|
110 |
oop obj = klass->allocate_instance(CHECK); |
|
111 |
thread->set_vm_result(obj); |
|
112 |
JRT_END |
|
113 |
||
114 |
JRT_ENTRY(void, SharkRuntime::newarray(JavaThread* thread, |
|
115 |
BasicType type, |
|
116 |
int size)) |
|
117 |
oop obj = oopFactory::new_typeArray(type, size, CHECK); |
|
118 |
thread->set_vm_result(obj); |
|
119 |
JRT_END |
|
120 |
||
121 |
JRT_ENTRY(void, SharkRuntime::anewarray(JavaThread* thread, |
|
122 |
int index, |
|
123 |
int size)) |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
7397
diff
changeset
|
124 |
Klass* klass = method(thread)->constants()->klass_at(index, CHECK); |
6187 | 125 |
objArrayOop obj = oopFactory::new_objArray(klass, size, CHECK); |
126 |
thread->set_vm_result(obj); |
|
127 |
JRT_END |
|
128 |
||
129 |
JRT_ENTRY(void, SharkRuntime::multianewarray(JavaThread* thread, |
|
130 |
int index, |
|
131 |
int ndims, |
|
132 |
int* dims)) |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
7397
diff
changeset
|
133 |
Klass* klass = method(thread)->constants()->klass_at(index, CHECK); |
13952
e3cf184080bc
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
13728
diff
changeset
|
134 |
oop obj = ArrayKlass::cast(klass)->multi_allocate(ndims, dims, CHECK); |
6187 | 135 |
thread->set_vm_result(obj); |
136 |
JRT_END |
|
137 |
||
138 |
JRT_ENTRY(void, SharkRuntime::register_finalizer(JavaThread* thread, |
|
139 |
oop object)) |
|
140 |
assert(object->is_oop(), "should be"); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
7397
diff
changeset
|
141 |
assert(object->klass()->has_finalizer(), "should have"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
7397
diff
changeset
|
142 |
InstanceKlass::register_finalizer(instanceOop(object), CHECK); |
6187 | 143 |
JRT_END |
144 |
||
145 |
JRT_ENTRY(void, SharkRuntime::throw_ArithmeticException(JavaThread* thread, |
|
146 |
const char* file, |
|
147 |
int line)) |
|
148 |
Exceptions::_throw_msg( |
|
149 |
thread, file, line, |
|
150 |
vmSymbols::java_lang_ArithmeticException(), |
|
151 |
""); |
|
152 |
JRT_END |
|
153 |
||
154 |
JRT_ENTRY(void, SharkRuntime::throw_ArrayIndexOutOfBoundsException( |
|
155 |
JavaThread* thread, |
|
156 |
const char* file, |
|
157 |
int line, |
|
158 |
int index)) |
|
159 |
char msg[jintAsStringSize]; |
|
160 |
snprintf(msg, sizeof(msg), "%d", index); |
|
161 |
Exceptions::_throw_msg( |
|
162 |
thread, file, line, |
|
163 |
vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), |
|
164 |
msg); |
|
165 |
JRT_END |
|
166 |
||
167 |
JRT_ENTRY(void, SharkRuntime::throw_ClassCastException(JavaThread* thread, |
|
168 |
const char* file, |
|
169 |
int line)) |
|
170 |
Exceptions::_throw_msg( |
|
171 |
thread, file, line, |
|
172 |
vmSymbols::java_lang_ClassCastException(), |
|
173 |
""); |
|
174 |
JRT_END |
|
175 |
||
176 |
JRT_ENTRY(void, SharkRuntime::throw_NullPointerException(JavaThread* thread, |
|
177 |
const char* file, |
|
178 |
int line)) |
|
179 |
Exceptions::_throw_msg( |
|
180 |
thread, file, line, |
|
181 |
vmSymbols::java_lang_NullPointerException(), |
|
182 |
""); |
|
183 |
JRT_END |
|
184 |
||
185 |
// Non-VM calls |
|
186 |
// Nothing in these must ever GC! |
|
187 |
||
188 |
void SharkRuntime::dump(const char *name, intptr_t value) { |
|
189 |
oop valueOop = (oop) value; |
|
190 |
tty->print("%s = ", name); |
|
191 |
if (valueOop->is_oop(true)) |
|
192 |
valueOop->print_on(tty); |
|
193 |
else if (value >= ' ' && value <= '~') |
|
194 |
tty->print("'%c' (%d)", value, value); |
|
195 |
else |
|
196 |
tty->print("%p", value); |
|
197 |
tty->print_cr(""); |
|
198 |
} |
|
199 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
7397
diff
changeset
|
200 |
bool SharkRuntime::is_subtype_of(Klass* check_klass, Klass* object_klass) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
7397
diff
changeset
|
201 |
return object_klass->is_subtype_of(check_klass); |
6187 | 202 |
} |
203 |
||
204 |
int SharkRuntime::uncommon_trap(JavaThread* thread, int trap_request) { |
|
205 |
Thread *THREAD = thread; |
|
206 |
||
207 |
// In C2, uncommon_trap_blob creates a frame, so all the various |
|
208 |
// deoptimization functions expect to find the frame of the method |
|
209 |
// being deopted one frame down on the stack. We create a dummy |
|
210 |
// frame to mirror this. |
|
211 |
FakeStubFrame *stubframe = FakeStubFrame::build(CHECK_0); |
|
212 |
thread->push_zero_frame(stubframe); |
|
213 |
||
214 |
// Initiate the trap |
|
215 |
thread->set_last_Java_frame(); |
|
216 |
Deoptimization::UnrollBlock *urb = |
|
34173
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
25351
diff
changeset
|
217 |
Deoptimization::uncommon_trap(thread, trap_request, Deoptimization::Unpack_uncommon_trap); |
6187 | 218 |
thread->reset_last_Java_frame(); |
34173
01bb07d23a5b
8141133: [JVMCI] crash during safepoint deopt if rethrow_exception is set
twisti
parents:
25351
diff
changeset
|
219 |
assert(urb->unpack_kind() == Deoptimization::Unpack_uncommon_trap, "expected Unpack_uncommon_trap"); |
6187 | 220 |
|
221 |
// Pop our dummy frame and the frame being deoptimized |
|
222 |
thread->pop_zero_frame(); |
|
223 |
thread->pop_zero_frame(); |
|
224 |
||
225 |
// Push skeleton frames |
|
226 |
int number_of_frames = urb->number_of_frames(); |
|
227 |
for (int i = 0; i < number_of_frames; i++) { |
|
228 |
intptr_t size = urb->frame_sizes()[i]; |
|
229 |
InterpreterFrame *frame = InterpreterFrame::build(size, CHECK_0); |
|
230 |
thread->push_zero_frame(frame); |
|
231 |
} |
|
232 |
||
233 |
// Push another dummy frame |
|
234 |
stubframe = FakeStubFrame::build(CHECK_0); |
|
235 |
thread->push_zero_frame(stubframe); |
|
236 |
||
237 |
// Fill in the skeleton frames |
|
238 |
thread->set_last_Java_frame(); |
|
239 |
Deoptimization::unpack_frames(thread, Deoptimization::Unpack_uncommon_trap); |
|
240 |
thread->reset_last_Java_frame(); |
|
241 |
||
242 |
// Pop our dummy frame |
|
243 |
thread->pop_zero_frame(); |
|
244 |
||
245 |
// Fall back into the interpreter |
|
246 |
return number_of_frames; |
|
247 |
} |
|
248 |
||
249 |
FakeStubFrame* FakeStubFrame::build(TRAPS) { |
|
250 |
ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack(); |
|
251 |
stack->overflow_check(header_words, CHECK_NULL); |
|
252 |
||
253 |
stack->push(0); // next_frame, filled in later |
|
254 |
intptr_t *fp = stack->sp(); |
|
255 |
assert(fp - stack->sp() == next_frame_off, "should be"); |
|
256 |
||
257 |
stack->push(FAKE_STUB_FRAME); |
|
258 |
assert(fp - stack->sp() == frame_type_off, "should be"); |
|
259 |
||
260 |
return (FakeStubFrame *) fp; |
|
261 |
} |