Mercurial > hg > graal-compiler
annotate src/share/vm/oops/typeArrayKlass.cpp @ 20591:28051f14c328
8043158: Crash in CodeSweeperSweepNoFlushTest in CompileQueue::free_all()
Summary: Acquire lock before calling notify()
Reviewed-by: twisti, thartmann
author | anoll |
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date | Fri, 20 Jun 2014 09:25:13 +0200 |
parents | ce8f6bb717c9 |
children | 7848fc12602b |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, 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" |
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26 #include "classfile/symbolTable.hpp" |
1972 | 27 #include "classfile/systemDictionary.hpp" |
28 #include "classfile/vmSymbols.hpp" | |
29 #include "gc_interface/collectedHeap.hpp" | |
30 #include "gc_interface/collectedHeap.inline.hpp" | |
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31 #include "memory/metadataFactory.hpp" |
1972 | 32 #include "memory/resourceArea.hpp" |
33 #include "memory/universe.hpp" | |
34 #include "memory/universe.inline.hpp" | |
35 #include "oops/instanceKlass.hpp" | |
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36 #include "oops/klass.inline.hpp" |
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37 #include "oops/objArrayKlass.hpp" |
1972 | 38 #include "oops/oop.inline.hpp" |
39 #include "oops/typeArrayKlass.hpp" | |
40 #include "oops/typeArrayOop.hpp" | |
41 #include "runtime/handles.inline.hpp" | |
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42 #include "runtime/orderAccess.inline.hpp" |
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43 #include "utilities/macros.hpp" |
0 | 44 |
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45 bool TypeArrayKlass::compute_is_subtype_of(Klass* k) { |
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46 if (!k->oop_is_typeArray()) { |
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47 return ArrayKlass::compute_is_subtype_of(k); |
0 | 48 } |
49 | |
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50 TypeArrayKlass* tak = TypeArrayKlass::cast(k); |
0 | 51 if (dimension() != tak->dimension()) return false; |
52 | |
53 return element_type() == tak->element_type(); | |
54 } | |
55 | |
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56 TypeArrayKlass* TypeArrayKlass::create_klass(BasicType type, |
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57 const char* name_str, TRAPS) { |
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58 Symbol* sym = NULL; |
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59 if (name_str != NULL) { |
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60 sym = SymbolTable::new_permanent_symbol(name_str, CHECK_NULL); |
0 | 61 } |
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62 |
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63 ClassLoaderData* null_loader_data = ClassLoaderData::the_null_class_loader_data(); |
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64 |
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65 TypeArrayKlass* ak = TypeArrayKlass::allocate(null_loader_data, type, sym, CHECK_NULL); |
0 | 66 |
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67 // Add all classes to our internal class loader list here, |
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68 // including classes in the bootstrap (NULL) class loader. |
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69 // GC walks these as strong roots. |
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70 null_loader_data->add_class(ak); |
0 | 71 |
72 // Call complete_create_array_klass after all instance variables have been initialized. | |
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73 complete_create_array_klass(ak, ak->super(), CHECK_NULL); |
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74 |
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75 return ak; |
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76 } |
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77 |
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78 TypeArrayKlass* TypeArrayKlass::allocate(ClassLoaderData* loader_data, BasicType type, Symbol* name, TRAPS) { |
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79 assert(TypeArrayKlass::header_size() <= InstanceKlass::header_size(), |
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80 "array klasses must be same size as InstanceKlass"); |
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81 |
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82 int size = ArrayKlass::static_size(TypeArrayKlass::header_size()); |
0 | 83 |
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84 return new (loader_data, size, THREAD) TypeArrayKlass(type, name); |
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85 } |
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86 |
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87 TypeArrayKlass::TypeArrayKlass(BasicType type, Symbol* name) : ArrayKlass(name) { |
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88 set_layout_helper(array_layout_helper(type)); |
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89 assert(oop_is_array(), "sanity"); |
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90 assert(oop_is_typeArray(), "sanity"); |
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91 |
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92 set_max_length(arrayOopDesc::max_array_length(type)); |
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93 assert(size() >= TypeArrayKlass::header_size(), "bad size"); |
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94 |
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95 set_class_loader_data(ClassLoaderData::the_null_class_loader_data()); |
0 | 96 } |
97 | |
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98 typeArrayOop TypeArrayKlass::allocate_common(int length, bool do_zero, TRAPS) { |
0 | 99 assert(log2_element_size() >= 0, "bad scale"); |
100 if (length >= 0) { | |
101 if (length <= max_length()) { | |
102 size_t size = typeArrayOopDesc::object_size(layout_helper(), length); | |
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103 KlassHandle h_k(THREAD, this); |
0 | 104 typeArrayOop t; |
105 CollectedHeap* ch = Universe::heap(); | |
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106 if (do_zero) { |
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107 t = (typeArrayOop)CollectedHeap::array_allocate(h_k, (int)size, length, CHECK_NULL); |
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108 } else { |
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109 t = (typeArrayOop)CollectedHeap::array_allocate_nozero(h_k, (int)size, length, CHECK_NULL); |
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110 } |
0 | 111 return t; |
112 } else { | |
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113 report_java_out_of_memory("Requested array size exceeds VM limit"); |
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114 JvmtiExport::post_array_size_exhausted(); |
0 | 115 THROW_OOP_0(Universe::out_of_memory_error_array_size()); |
116 } | |
117 } else { | |
118 THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); | |
119 } | |
120 } | |
121 | |
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122 oop TypeArrayKlass::multi_allocate(int rank, jint* last_size, TRAPS) { |
0 | 123 // For typeArrays this is only called for the last dimension |
124 assert(rank == 1, "just checking"); | |
125 int length = *last_size; | |
126 return allocate(length, THREAD); | |
127 } | |
128 | |
129 | |
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130 void TypeArrayKlass::copy_array(arrayOop s, int src_pos, arrayOop d, int dst_pos, int length, TRAPS) { |
0 | 131 assert(s->is_typeArray(), "must be type array"); |
132 | |
133 // Check destination | |
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134 if (!d->is_typeArray() || element_type() != TypeArrayKlass::cast(d->klass())->element_type()) { |
0 | 135 THROW(vmSymbols::java_lang_ArrayStoreException()); |
136 } | |
137 | |
138 // Check is all offsets and lengths are non negative | |
139 if (src_pos < 0 || dst_pos < 0 || length < 0) { | |
140 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); | |
141 } | |
142 // Check if the ranges are valid | |
143 if ( (((unsigned int) length + (unsigned int) src_pos) > (unsigned int) s->length()) | |
144 || (((unsigned int) length + (unsigned int) dst_pos) > (unsigned int) d->length()) ) { | |
145 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); | |
146 } | |
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147 // Check zero copy |
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148 if (length == 0) |
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149 return; |
0 | 150 |
151 // This is an attempt to make the copy_array fast. | |
152 int l2es = log2_element_size(); | |
153 int ihs = array_header_in_bytes() / wordSize; | |
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154 char* src = (char*) ((oop*)s + ihs) + ((size_t)src_pos << l2es); |
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155 char* dst = (char*) ((oop*)d + ihs) + ((size_t)dst_pos << l2es); |
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156 Copy::conjoint_memory_atomic(src, dst, (size_t)length << l2es); |
0 | 157 } |
158 | |
159 | |
160 // create a klass of array holding typeArrays | |
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161 Klass* TypeArrayKlass::array_klass_impl(bool or_null, int n, TRAPS) { |
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162 int dim = dimension(); |
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163 assert(dim <= n, "check order of chain"); |
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164 if (dim == n) |
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165 return this; |
0 | 166 |
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167 if (higher_dimension() == NULL) { |
0 | 168 if (or_null) return NULL; |
169 | |
170 ResourceMark rm; | |
171 JavaThread *jt = (JavaThread *)THREAD; | |
172 { | |
173 MutexLocker mc(Compile_lock, THREAD); // for vtables | |
174 // Atomic create higher dimension and link into list | |
175 MutexLocker mu(MultiArray_lock, THREAD); | |
176 | |
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177 if (higher_dimension() == NULL) { |
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178 Klass* oak = ObjArrayKlass::allocate_objArray_klass( |
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179 class_loader_data(), dim + 1, this, CHECK_NULL); |
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180 ObjArrayKlass* h_ak = ObjArrayKlass::cast(oak); |
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181 h_ak->set_lower_dimension(this); |
2119 | 182 OrderAccess::storestore(); |
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183 set_higher_dimension(h_ak); |
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184 assert(h_ak->oop_is_objArray(), "incorrect initialization of ObjArrayKlass"); |
0 | 185 } |
186 } | |
187 } else { | |
188 CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops()); | |
189 } | |
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190 ObjArrayKlass* h_ak = ObjArrayKlass::cast(higher_dimension()); |
0 | 191 if (or_null) { |
192 return h_ak->array_klass_or_null(n); | |
193 } | |
194 return h_ak->array_klass(n, CHECK_NULL); | |
195 } | |
196 | |
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197 Klass* TypeArrayKlass::array_klass_impl(bool or_null, TRAPS) { |
0 | 198 return array_klass_impl(or_null, dimension() + 1, THREAD); |
199 } | |
200 | |
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201 int TypeArrayKlass::oop_size(oop obj) const { |
0 | 202 assert(obj->is_typeArray(),"must be a type array"); |
203 typeArrayOop t = typeArrayOop(obj); | |
204 return t->object_size(); | |
205 } | |
206 | |
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207 void TypeArrayKlass::oop_follow_contents(oop obj) { |
0 | 208 assert(obj->is_typeArray(),"must be a type array"); |
209 // Performance tweak: We skip iterating over the klass pointer since we | |
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210 // know that Universe::TypeArrayKlass never moves. |
0 | 211 } |
212 | |
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213 #if INCLUDE_ALL_GCS |
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214 void TypeArrayKlass::oop_follow_contents(ParCompactionManager* cm, oop obj) { |
0 | 215 assert(obj->is_typeArray(),"must be a type array"); |
216 // Performance tweak: We skip iterating over the klass pointer since we | |
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217 // know that Universe::TypeArrayKlass never moves. |
0 | 218 } |
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219 #endif // INCLUDE_ALL_GCS |
0 | 220 |
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221 int TypeArrayKlass::oop_adjust_pointers(oop obj) { |
0 | 222 assert(obj->is_typeArray(),"must be a type array"); |
223 typeArrayOop t = typeArrayOop(obj); | |
224 // Performance tweak: We skip iterating over the klass pointer since we | |
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225 // know that Universe::TypeArrayKlass never moves. |
0 | 226 return t->object_size(); |
227 } | |
228 | |
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229 int TypeArrayKlass::oop_oop_iterate(oop obj, ExtendedOopClosure* blk) { |
0 | 230 assert(obj->is_typeArray(),"must be a type array"); |
231 typeArrayOop t = typeArrayOop(obj); | |
232 // Performance tweak: We skip iterating over the klass pointer since we | |
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233 // know that Universe::TypeArrayKlass never moves. |
0 | 234 return t->object_size(); |
235 } | |
236 | |
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237 int TypeArrayKlass::oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) { |
0 | 238 assert(obj->is_typeArray(),"must be a type array"); |
239 typeArrayOop t = typeArrayOop(obj); | |
240 // Performance tweak: We skip iterating over the klass pointer since we | |
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241 // know that Universe::TypeArrayKlass never moves. |
0 | 242 return t->object_size(); |
243 } | |
244 | |
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245 #if INCLUDE_ALL_GCS |
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246 void TypeArrayKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { |
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247 ShouldNotReachHere(); |
0 | 248 assert(obj->is_typeArray(),"must be a type array"); |
249 } | |
250 | |
251 int | |
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252 TypeArrayKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { |
0 | 253 assert(obj->is_typeArray(),"must be a type array"); |
254 return typeArrayOop(obj)->object_size(); | |
255 } | |
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256 #endif // INCLUDE_ALL_GCS |
0 | 257 |
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258 void TypeArrayKlass::initialize(TRAPS) { |
0 | 259 // Nothing to do. Having this function is handy since objArrayKlasses can be |
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260 // initialized by calling initialize on their bottom_klass, see ObjArrayKlass::initialize |
0 | 261 } |
262 | |
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263 const char* TypeArrayKlass::external_name(BasicType type) { |
0 | 264 switch (type) { |
265 case T_BOOLEAN: return "[Z"; | |
266 case T_CHAR: return "[C"; | |
267 case T_FLOAT: return "[F"; | |
268 case T_DOUBLE: return "[D"; | |
269 case T_BYTE: return "[B"; | |
270 case T_SHORT: return "[S"; | |
271 case T_INT: return "[I"; | |
272 case T_LONG: return "[J"; | |
273 default: ShouldNotReachHere(); | |
274 } | |
275 return NULL; | |
276 } | |
277 | |
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278 |
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279 // Printing |
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280 |
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281 void TypeArrayKlass::print_on(outputStream* st) const { |
0 | 282 #ifndef PRODUCT |
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283 assert(is_klass(), "must be klass"); |
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284 print_value_on(st); |
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285 Klass::print_on(st); |
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286 #endif //PRODUCT |
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287 } |
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288 |
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289 void TypeArrayKlass::print_value_on(outputStream* st) const { |
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290 assert(is_klass(), "must be klass"); |
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291 st->print("{type array "); |
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292 switch (element_type()) { |
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293 case T_BOOLEAN: st->print("bool"); break; |
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294 case T_CHAR: st->print("char"); break; |
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295 case T_FLOAT: st->print("float"); break; |
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296 case T_DOUBLE: st->print("double"); break; |
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297 case T_BYTE: st->print("byte"); break; |
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298 case T_SHORT: st->print("short"); break; |
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299 case T_INT: st->print("int"); break; |
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300 case T_LONG: st->print("long"); break; |
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301 default: ShouldNotReachHere(); |
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302 } |
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303 st->print("}"); |
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304 } |
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305 |
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306 #ifndef PRODUCT |
0 | 307 |
308 static void print_boolean_array(typeArrayOop ta, int print_len, outputStream* st) { | |
309 for (int index = 0; index < print_len; index++) { | |
310 st->print_cr(" - %3d: %s", index, (ta->bool_at(index) == 0) ? "false" : "true"); | |
311 } | |
312 } | |
313 | |
314 | |
315 static void print_char_array(typeArrayOop ta, int print_len, outputStream* st) { | |
316 for (int index = 0; index < print_len; index++) { | |
317 jchar c = ta->char_at(index); | |
318 st->print_cr(" - %3d: %x %c", index, c, isprint(c) ? c : ' '); | |
319 } | |
320 } | |
321 | |
322 | |
323 static void print_float_array(typeArrayOop ta, int print_len, outputStream* st) { | |
324 for (int index = 0; index < print_len; index++) { | |
325 st->print_cr(" - %3d: %g", index, ta->float_at(index)); | |
326 } | |
327 } | |
328 | |
329 | |
330 static void print_double_array(typeArrayOop ta, int print_len, outputStream* st) { | |
331 for (int index = 0; index < print_len; index++) { | |
332 st->print_cr(" - %3d: %g", index, ta->double_at(index)); | |
333 } | |
334 } | |
335 | |
336 | |
337 static void print_byte_array(typeArrayOop ta, int print_len, outputStream* st) { | |
338 for (int index = 0; index < print_len; index++) { | |
339 jbyte c = ta->byte_at(index); | |
340 st->print_cr(" - %3d: %x %c", index, c, isprint(c) ? c : ' '); | |
341 } | |
342 } | |
343 | |
344 | |
345 static void print_short_array(typeArrayOop ta, int print_len, outputStream* st) { | |
346 for (int index = 0; index < print_len; index++) { | |
347 int v = ta->ushort_at(index); | |
348 st->print_cr(" - %3d: 0x%x\t %d", index, v, v); | |
349 } | |
350 } | |
351 | |
352 | |
353 static void print_int_array(typeArrayOop ta, int print_len, outputStream* st) { | |
354 for (int index = 0; index < print_len; index++) { | |
355 jint v = ta->int_at(index); | |
356 st->print_cr(" - %3d: 0x%x %d", index, v, v); | |
357 } | |
358 } | |
359 | |
360 | |
361 static void print_long_array(typeArrayOop ta, int print_len, outputStream* st) { | |
362 for (int index = 0; index < print_len; index++) { | |
363 jlong v = ta->long_at(index); | |
364 st->print_cr(" - %3d: 0x%x 0x%x", index, high(v), low(v)); | |
365 } | |
366 } | |
367 | |
368 | |
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369 void TypeArrayKlass::oop_print_on(oop obj, outputStream* st) { |
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370 ArrayKlass::oop_print_on(obj, st); |
0 | 371 typeArrayOop ta = typeArrayOop(obj); |
372 int print_len = MIN2((intx) ta->length(), MaxElementPrintSize); | |
373 switch (element_type()) { | |
374 case T_BOOLEAN: print_boolean_array(ta, print_len, st); break; | |
375 case T_CHAR: print_char_array(ta, print_len, st); break; | |
376 case T_FLOAT: print_float_array(ta, print_len, st); break; | |
377 case T_DOUBLE: print_double_array(ta, print_len, st); break; | |
378 case T_BYTE: print_byte_array(ta, print_len, st); break; | |
379 case T_SHORT: print_short_array(ta, print_len, st); break; | |
380 case T_INT: print_int_array(ta, print_len, st); break; | |
381 case T_LONG: print_long_array(ta, print_len, st); break; | |
382 default: ShouldNotReachHere(); | |
383 } | |
384 int remaining = ta->length() - print_len; | |
385 if (remaining > 0) { | |
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386 st->print_cr(" - <%d more elements, increase MaxElementPrintSize to print>", remaining); |
0 | 387 } |
388 } | |
389 | |
390 #endif // PRODUCT | |
391 | |
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392 const char* TypeArrayKlass::internal_name() const { |
0 | 393 return Klass::external_name(); |
394 } |