Mercurial > hg > graal-jvmci-8
comparison src/share/vm/jvmci/jvmciCompilerToVM.cpp @ 21559:be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 28 May 2015 15:36:48 +0200 |
parents | src/share/vm/graal/graalCompilerToVM.cpp@48c1ebd24120 |
children | ce2113326bc8 |
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1 /* | |
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
24 #include "precompiled.hpp" | |
25 #include "code/scopeDesc.hpp" | |
26 #include "memory/oopFactory.hpp" | |
27 #include "oops/generateOopMap.hpp" | |
28 #include "oops/fieldStreams.hpp" | |
29 #include "runtime/fieldDescriptor.hpp" | |
30 #include "runtime/javaCalls.hpp" | |
31 #include "jvmci/jvmciRuntime.hpp" | |
32 #include "compiler/compileBroker.hpp" | |
33 #include "compiler/compilerOracle.hpp" | |
34 #include "compiler/disassembler.hpp" | |
35 #include "jvmci/jvmciCompilerToVM.hpp" | |
36 #include "jvmci/jvmciCompiler.hpp" | |
37 #include "jvmci/jvmciEnv.hpp" | |
38 #include "jvmci/jvmciJavaAccess.hpp" | |
39 #include "jvmci/jvmciCodeInstaller.hpp" | |
40 #include "gc_implementation/g1/heapRegion.hpp" | |
41 #include "runtime/javaCalls.hpp" | |
42 #include "runtime/deoptimization.hpp" | |
43 #include "runtime/vframe.hpp" | |
44 #include "runtime/vframe_hp.hpp" | |
45 #include "runtime/vmStructs.hpp" | |
46 | |
47 | |
48 // Entry to native method implementation that transitions current thread to '_thread_in_vm'. | |
49 #define C2V_VMENTRY(result_type, name, signature) \ | |
50 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ | |
51 TRACE_jvmci_3("CompilerToVM::" #name); \ | |
52 JVMCI_VM_ENTRY_MARK; \ | |
53 | |
54 #define C2V_END } | |
55 | |
56 extern "C" { | |
57 extern VMStructEntry* gHotSpotVMStructs; | |
58 extern uint64_t gHotSpotVMStructEntryTypeNameOffset; | |
59 extern uint64_t gHotSpotVMStructEntryFieldNameOffset; | |
60 extern uint64_t gHotSpotVMStructEntryTypeStringOffset; | |
61 extern uint64_t gHotSpotVMStructEntryIsStaticOffset; | |
62 extern uint64_t gHotSpotVMStructEntryOffsetOffset; | |
63 extern uint64_t gHotSpotVMStructEntryAddressOffset; | |
64 extern uint64_t gHotSpotVMStructEntryArrayStride; | |
65 | |
66 extern VMTypeEntry* gHotSpotVMTypes; | |
67 extern uint64_t gHotSpotVMTypeEntryTypeNameOffset; | |
68 extern uint64_t gHotSpotVMTypeEntrySuperclassNameOffset; | |
69 extern uint64_t gHotSpotVMTypeEntryIsOopTypeOffset; | |
70 extern uint64_t gHotSpotVMTypeEntryIsIntegerTypeOffset; | |
71 extern uint64_t gHotSpotVMTypeEntryIsUnsignedOffset; | |
72 extern uint64_t gHotSpotVMTypeEntrySizeOffset; | |
73 extern uint64_t gHotSpotVMTypeEntryArrayStride; | |
74 | |
75 extern VMIntConstantEntry* gHotSpotVMIntConstants; | |
76 extern uint64_t gHotSpotVMIntConstantEntryNameOffset; | |
77 extern uint64_t gHotSpotVMIntConstantEntryValueOffset; | |
78 extern uint64_t gHotSpotVMIntConstantEntryArrayStride; | |
79 | |
80 extern VMLongConstantEntry* gHotSpotVMLongConstants; | |
81 extern uint64_t gHotSpotVMLongConstantEntryNameOffset; | |
82 extern uint64_t gHotSpotVMLongConstantEntryValueOffset; | |
83 extern uint64_t gHotSpotVMLongConstantEntryArrayStride; | |
84 } | |
85 | |
86 C2V_VMENTRY(void, initializeConfiguration, (JNIEnv *, jobject, jobject config)) | |
87 VMStructs::initHotSpotVMConfig(JNIHandles::resolve(config)); | |
88 C2V_END | |
89 | |
90 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jlong metaspace_method)) | |
91 methodHandle method = asMethod(metaspace_method); | |
92 ResourceMark rm; | |
93 | |
94 int code_size = method->code_size(); | |
95 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL); | |
96 | |
97 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); | |
98 // iterate over all bytecodes and replace non-Java bytecodes | |
99 | |
100 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { | |
101 Bytecodes::Code code = s.code(); | |
102 Bytecodes::Code raw_code = s.raw_code(); | |
103 int bci = s.bci(); | |
104 int len = s.instruction_size(); | |
105 | |
106 // Restore original byte code. | |
107 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code)); | |
108 if (len > 1) { | |
109 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1); | |
110 } | |
111 | |
112 if (len > 1) { | |
113 // Restore the big-endian constant pool indexes. | |
114 // Cf. Rewriter::scan_method | |
115 switch (code) { | |
116 case Bytecodes::_getstatic: | |
117 case Bytecodes::_putstatic: | |
118 case Bytecodes::_getfield: | |
119 case Bytecodes::_putfield: | |
120 case Bytecodes::_invokevirtual: | |
121 case Bytecodes::_invokespecial: | |
122 case Bytecodes::_invokestatic: | |
123 case Bytecodes::_invokeinterface: | |
124 case Bytecodes::_invokehandle: { | |
125 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); | |
126 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); | |
127 break; | |
128 } | |
129 | |
130 case Bytecodes::_invokedynamic: | |
131 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1)); | |
132 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index); | |
133 break; | |
134 } | |
135 | |
136 // Not all ldc byte code are rewritten. | |
137 switch (raw_code) { | |
138 case Bytecodes::_fast_aldc: { | |
139 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff; | |
140 int cp_index = method->constants()->object_to_cp_index(cpc_index); | |
141 assert(cp_index < method->constants()->length(), "sanity check"); | |
142 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index); | |
143 break; | |
144 } | |
145 | |
146 case Bytecodes::_fast_aldc_w: { | |
147 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); | |
148 int cp_index = method->constants()->object_to_cp_index(cpc_index); | |
149 assert(cp_index < method->constants()->length(), "sanity check"); | |
150 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); | |
151 break; | |
152 } | |
153 } | |
154 } | |
155 } | |
156 | |
157 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code); | |
158 C2V_END | |
159 | |
160 C2V_VMENTRY(jint, exceptionTableLength, (JNIEnv *, jobject, jlong metaspace_method)) | |
161 ResourceMark rm; | |
162 methodHandle method = asMethod(metaspace_method); | |
163 return method->exception_table_length(); | |
164 C2V_END | |
165 | |
166 C2V_VMENTRY(jlong, exceptionTableStart, (JNIEnv *, jobject, jlong metaspace_method)) | |
167 ResourceMark rm; | |
168 methodHandle method = asMethod(metaspace_method); | |
169 assert(method->exception_table_length() != 0, "should be handled in Java code"); | |
170 return (jlong) (address) method->exception_table_start(); | |
171 C2V_END | |
172 | |
173 C2V_VMENTRY(jint, hasBalancedMonitors, (JNIEnv *, jobject, jlong metaspace_method)) | |
174 // Analyze the method to see if monitors are used properly. | |
175 methodHandle method(THREAD, asMethod(metaspace_method)); | |
176 { | |
177 EXCEPTION_MARK; | |
178 ResourceMark rm(THREAD); | |
179 GeneratePairingInfo gpi(method); | |
180 gpi.compute_map(CATCH); | |
181 if (!gpi.monitor_safe()) { | |
182 return false; | |
183 } | |
184 method->set_guaranteed_monitor_matching(); | |
185 } | |
186 return true; | |
187 C2V_END | |
188 | |
189 C2V_VMENTRY(jlong, getMetaspaceMethod, (JNIEnv *, jobject, jclass holder_handle, jint slot)) | |
190 oop java_class = JNIHandles::resolve(holder_handle); | |
191 Klass* holder = java_lang_Class::as_Klass(java_class); | |
192 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot); | |
193 return (jlong) (address) method(); | |
194 } | |
195 | |
196 C2V_VMENTRY(jlong, findUniqueConcreteMethod, (JNIEnv *, jobject, jlong metaspace_klass, jlong metaspace_method)) | |
197 methodHandle method = asMethod(metaspace_method); | |
198 KlassHandle holder = asKlass(metaspace_klass); | |
199 assert(!holder->is_interface(), "should be handled in Java code"); | |
200 ResourceMark rm; | |
201 MutexLocker locker(Compile_lock); | |
202 Method* ucm = Dependencies::find_unique_concrete_method(holder(), method()); | |
203 return (jlong) (address) ucm; | |
204 C2V_END | |
205 | |
206 C2V_VMENTRY(jlong, getKlassImplementor, (JNIEnv *, jobject, jlong metaspace_klass)) | |
207 InstanceKlass* klass = (InstanceKlass*) asKlass(metaspace_klass); | |
208 return (jlong) (address) klass->implementor(); | |
209 C2V_END | |
210 | |
211 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jlong metaspace_method)) | |
212 methodHandle method = asMethod(metaspace_method); | |
213 return method->is_ignored_by_security_stack_walk(); | |
214 C2V_END | |
215 | |
216 C2V_VMENTRY(jboolean, canInlineMethod,(JNIEnv *, jobject, jlong metaspace_method)) | |
217 methodHandle method = asMethod(metaspace_method); | |
218 return !method->is_not_compilable() && !CompilerOracle::should_not_inline(method) && !method->dont_inline(); | |
219 C2V_END | |
220 | |
221 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jlong metaspace_method)) | |
222 methodHandle method = asMethod(metaspace_method); | |
223 return CompilerOracle::should_inline(method) || method->force_inline(); | |
224 C2V_END | |
225 | |
226 C2V_VMENTRY(jlong, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve)) | |
227 ResourceMark rm; | |
228 Handle name = JNIHandles::resolve(jname); | |
229 Symbol* class_name = java_lang_String::as_symbol(name, THREAD); | |
230 assert(class_name != NULL, "name to symbol creation failed"); | |
231 assert(class_name->size() > 1, "primitive types should be handled in Java code"); | |
232 | |
233 Klass* resolved_klass = NULL; | |
234 Handle class_loader; | |
235 Handle protection_domain; | |
236 if (JNIHandles::resolve(accessing_class) == NULL) { | |
237 THROW_(vmSymbols::java_lang_NullPointerException(), 0L); | |
238 } | |
239 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class)); | |
240 class_loader = accessing_klass->class_loader(); | |
241 protection_domain = accessing_klass->protection_domain(); | |
242 | |
243 if (resolve) { | |
244 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0); | |
245 } else { | |
246 if (class_name->byte_at(0) == 'L' && | |
247 class_name->byte_at(class_name->utf8_length()-1) == ';') { | |
248 // This is a name from a signature. Strip off the trimmings. | |
249 // Call recursive to keep scope of strippedsym. | |
250 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1, | |
251 class_name->utf8_length()-2, | |
252 CHECK_0); | |
253 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0); | |
254 } else if (FieldType::is_array(class_name)) { | |
255 FieldArrayInfo fd; | |
256 // dimension and object_key in FieldArrayInfo are assigned as a side-effect | |
257 // of this call | |
258 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0); | |
259 if (t == T_OBJECT) { | |
260 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(), | |
261 class_name->utf8_length()-2-fd.dimension(), | |
262 CHECK_0); | |
263 // naked oop "k" is OK here -- we assign back into it | |
264 resolved_klass = SystemDictionary::find(strippedsym, | |
265 class_loader, | |
266 protection_domain, | |
267 CHECK_0); | |
268 if (resolved_klass != NULL) { | |
269 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0); | |
270 } | |
271 } else { | |
272 resolved_klass = Universe::typeArrayKlassObj(t); | |
273 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0); | |
274 } | |
275 } | |
276 } | |
277 return (jlong) (address) resolved_klass; | |
278 C2V_END | |
279 | |
280 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index)) | |
281 ConstantPool* cp = (ConstantPool*) metaspace_constant_pool; | |
282 oop result = cp->resolve_constant_at(index, CHECK_NULL); | |
283 return JNIHandles::make_local(THREAD, result); | |
284 C2V_END | |
285 | |
286 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index)) | |
287 ConstantPool* cp = (ConstantPool*) metaspace_constant_pool; | |
288 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); | |
289 return JNIHandles::make_local(THREAD, result); | |
290 C2V_END | |
291 | |
292 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index)) | |
293 constantPoolHandle cp = (ConstantPool*) metaspace_constant_pool; | |
294 return cp->name_and_type_ref_index_at(index); | |
295 C2V_END | |
296 | |
297 C2V_VMENTRY(jobject, lookupNameRefInPool, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index)) | |
298 constantPoolHandle cp = (ConstantPool*) metaspace_constant_pool; | |
299 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(index), CHECK_NULL); | |
300 return JNIHandles::make_local(THREAD, sym()); | |
301 C2V_END | |
302 | |
303 C2V_VMENTRY(jobject, lookupSignatureRefInPool, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index)) | |
304 constantPoolHandle cp = (ConstantPool*) metaspace_constant_pool; | |
305 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(index), CHECK_NULL); | |
306 return JNIHandles::make_local(THREAD, sym()); | |
307 C2V_END | |
308 | |
309 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index)) | |
310 constantPoolHandle cp = (ConstantPool*) metaspace_constant_pool; | |
311 return cp->klass_ref_index_at(index); | |
312 C2V_END | |
313 | |
314 C2V_VMENTRY(jlong, constantPoolKlassAt, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index)) | |
315 ConstantPool* cp = (ConstantPool*) metaspace_constant_pool; | |
316 return (jlong) (address) cp->klass_at(index, THREAD); | |
317 C2V_END | |
318 | |
319 C2V_VMENTRY(jlong, lookupKlassInPool, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index, jbyte opcode)) | |
320 constantPoolHandle cp = (ConstantPool*) metaspace_constant_pool; | |
321 KlassHandle loading_klass(cp->pool_holder()); | |
322 bool is_accessible = false; | |
323 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass); | |
324 if (klass.is_null()) { | |
325 // We have to lock the cpool to keep the oop from being resolved | |
326 // while we are accessing it. | |
327 MonitorLockerEx ml(cp->lock()); | |
328 constantTag tag = cp->tag_at(index); | |
329 if (tag.is_klass()) { | |
330 // The klass has been inserted into the constant pool | |
331 // very recently. | |
332 return (jlong) CompilerToVM::tag_pointer(cp->resolved_klass_at(index)); | |
333 } else if (tag.is_symbol()) { | |
334 return (jlong) CompilerToVM::tag_pointer(cp->symbol_at(index)); | |
335 } else { | |
336 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag"); | |
337 return (jlong) CompilerToVM::tag_pointer(cp->unresolved_klass_at(index)); | |
338 } | |
339 } | |
340 return (jlong) CompilerToVM::tag_pointer(klass()); | |
341 C2V_END | |
342 | |
343 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index)) | |
344 constantPoolHandle cp = (ConstantPool*) metaspace_constant_pool; | |
345 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); | |
346 return JNIHandles::make_local(THREAD, appendix_oop); | |
347 C2V_END | |
348 | |
349 C2V_VMENTRY(jlong, lookupMethodInPool, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index, jbyte opcode)) | |
350 constantPoolHandle cp = (ConstantPool*) metaspace_constant_pool; | |
351 instanceKlassHandle pool_holder(cp->pool_holder()); | |
352 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); | |
353 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder); | |
354 return (jlong) (address) method(); | |
355 C2V_END | |
356 | |
357 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index)) | |
358 ConstantPool* cp = (ConstantPool*) metaspace_constant_pool; | |
359 return cp->remap_instruction_operand_from_cache(index); | |
360 C2V_END | |
361 | |
362 C2V_VMENTRY(jlong, resolveField, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index, jbyte opcode, jlongArray info_handle)) | |
363 ResourceMark rm; | |
364 constantPoolHandle cp = (ConstantPool*) metaspace_constant_pool; | |
365 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); | |
366 fieldDescriptor result; | |
367 LinkResolver::resolve_field_access(result, cp, index, Bytecodes::java_code(code), true, false, CHECK_0); | |
368 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle); | |
369 assert(info != NULL && info->length() == 2, "must be"); | |
370 info->long_at_put(0, (jlong) result.access_flags().as_int()); | |
371 info->long_at_put(1, (jlong) result.offset()); | |
372 return (jlong) (address) result.field_holder(); | |
373 C2V_END | |
374 | |
375 C2V_VMENTRY(jint, getVtableIndexForInterface, (JNIEnv *, jobject, jlong metaspace_klass, jlong metaspace_method)) | |
376 Klass* klass = (Klass*) metaspace_klass; | |
377 Method* method = (Method*) metaspace_method; | |
378 assert(!klass->is_interface(), ""); | |
379 return LinkResolver::vtable_index_of_interface_method(klass, method); | |
380 C2V_END | |
381 | |
382 C2V_VMENTRY(jlong, resolveMethod, (JNIEnv *, jobject, jlong metaspace_klass_receiver, jlong metaspace_method, jlong metaspace_klass_caller)) | |
383 Klass* recv_klass = (Klass*) metaspace_klass_receiver; | |
384 Klass* caller_klass = (Klass*) metaspace_klass_caller; | |
385 Method* method = (Method*) metaspace_method; | |
386 | |
387 if (recv_klass->oop_is_array() || (InstanceKlass::cast(recv_klass)->is_linked())) { | |
388 Klass* holder_klass = method->method_holder(); | |
389 Symbol* method_name = method->name(); | |
390 Symbol* method_signature = method->signature(); | |
391 | |
392 | |
393 if (holder_klass->is_interface()) { | |
394 // do link-time resolution to check all access rules. | |
395 methodHandle resolved_method; | |
396 LinkResolver::linktime_resolve_interface_method(resolved_method, holder_klass, method_name, method_signature, caller_klass, true, CHECK_AND_CLEAR_0); | |
397 if (resolved_method->is_private()) { | |
398 return (jlong) (address) NULL; | |
399 } | |
400 assert(recv_klass->is_subtype_of(holder_klass), ""); | |
401 // do actual lookup | |
402 methodHandle sel_method; | |
403 LinkResolver::lookup_instance_method_in_klasses(sel_method, recv_klass, | |
404 resolved_method->name(), | |
405 resolved_method->signature(), CHECK_AND_CLEAR_0); | |
406 return (jlong) (address) sel_method(); | |
407 } else { | |
408 // do link-time resolution to check all access rules. | |
409 methodHandle resolved_method; | |
410 LinkResolver::linktime_resolve_virtual_method(resolved_method, holder_klass, method_name, method_signature, caller_klass, true, CHECK_AND_CLEAR_0); | |
411 // do actual lookup (see LinkResolver::runtime_resolve_virtual_method) | |
412 int vtable_index = Method::invalid_vtable_index; | |
413 Method* selected_method; | |
414 | |
415 if (resolved_method->method_holder()->is_interface()) { // miranda method | |
416 vtable_index = LinkResolver::vtable_index_of_interface_method(holder_klass, resolved_method); | |
417 assert(vtable_index >= 0 , "we should have valid vtable index at this point"); | |
418 | |
419 InstanceKlass* inst = InstanceKlass::cast(recv_klass); | |
420 selected_method = inst->method_at_vtable(vtable_index); | |
421 } else { | |
422 // at this point we are sure that resolved_method is virtual and not | |
423 // a miranda method; therefore, it must have a valid vtable index. | |
424 assert(!resolved_method->has_itable_index(), ""); | |
425 vtable_index = resolved_method->vtable_index(); | |
426 // We could get a negative vtable_index for final methods, | |
427 // because as an optimization they are they are never put in the vtable, | |
428 // unless they override an existing method. | |
429 // If we do get a negative, it means the resolved method is the the selected | |
430 // method, and it can never be changed by an override. | |
431 if (vtable_index == Method::nonvirtual_vtable_index) { | |
432 assert(resolved_method->can_be_statically_bound(), "cannot override this method"); | |
433 selected_method = resolved_method(); | |
434 } else { | |
435 // recv_klass might be an arrayKlassOop but all vtables start at | |
436 // the same place. The cast is to avoid virtual call and assertion. | |
437 InstanceKlass* inst = (InstanceKlass*)recv_klass; | |
438 selected_method = inst->method_at_vtable(vtable_index); | |
439 } | |
440 } | |
441 return (jlong) (address) selected_method; | |
442 } | |
443 } | |
444 return (jlong) (address) NULL; | |
445 C2V_END | |
446 | |
447 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jlong metaspace_klass)) | |
448 Klass* klass = (Klass*) metaspace_klass; | |
449 assert(klass != NULL, "method must not be called for primitive types"); | |
450 return Dependencies::find_finalizable_subclass(klass) != NULL; | |
451 C2V_END | |
452 | |
453 C2V_VMENTRY(jlong, getClassInitializer, (JNIEnv *, jobject, jlong metaspace_klass)) | |
454 InstanceKlass* klass = (InstanceKlass*) metaspace_klass; | |
455 return (jlong) (address) klass->class_initializer(); | |
456 C2V_END | |
457 | |
458 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr)) | |
459 address target_addr = (address) addr; | |
460 if (target_addr != 0x0) { | |
461 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); | |
462 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); | |
463 return MAX2(ABS(off_low), ABS(off_high)); | |
464 } | |
465 return -1; | |
466 C2V_END | |
467 | |
468 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jlong metaspace_method)) | |
469 methodHandle method = asMethod(metaspace_method); | |
470 method->set_not_c1_compilable(); | |
471 method->set_not_c2_compilable(); | |
472 method->set_dont_inline(true); | |
473 C2V_END | |
474 | |
475 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject compiled_code, jobject installed_code, jobject speculation_log)) | |
476 ResourceMark rm; | |
477 HandleMark hm; | |
478 Handle compiled_code_handle = JNIHandles::resolve(compiled_code); | |
479 CodeBlob* cb = NULL; | |
480 Handle installed_code_handle = JNIHandles::resolve(installed_code); | |
481 Handle speculation_log_handle = JNIHandles::resolve(speculation_log); | |
482 | |
483 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); | |
484 CodeInstaller installer; | |
485 JVMCIEnv::CodeInstallResult result = installer.install(compiled_code_handle, cb, installed_code_handle, speculation_log_handle); | |
486 | |
487 if (PrintCodeCacheOnCompilation) { | |
488 stringStream s; | |
489 // Dump code cache into a buffer before locking the tty, | |
490 { | |
491 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
492 CodeCache::print_summary(&s, false); | |
493 } | |
494 ttyLocker ttyl; | |
495 tty->print_raw_cr(s.as_string()); | |
496 } | |
497 | |
498 if (result != JVMCIEnv::ok) { | |
499 assert(cb == NULL, "should be"); | |
500 } else { | |
501 if (!installed_code_handle.is_null()) { | |
502 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type"); | |
503 InstalledCode::set_address(installed_code_handle, (jlong) cb); | |
504 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1); | |
505 oop comp_result = HotSpotCompiledCode::comp(compiled_code_handle); | |
506 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) { | |
507 HotSpotInstalledCode::set_size(installed_code_handle, cb->size()); | |
508 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin()); | |
509 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size()); | |
510 } | |
511 nmethod* nm = cb->as_nmethod_or_null(); | |
512 if (nm != NULL && installed_code_handle->is_scavengable()) { | |
513 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable"); | |
514 if (!UseG1GC) { | |
515 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list"); | |
516 } | |
517 } | |
518 } | |
519 } | |
520 return result; | |
521 C2V_END | |
522 | |
523 C2V_VMENTRY(void, notifyCompilationStatistics, (JNIEnv *jniEnv, jobject, jint id, jobject hotspot_method, jboolean osr, jint processedBytecodes, jlong time, jlong timeUnitsPerSecond, jobject installed_code)) | |
524 CompilerStatistics* stats = JVMCICompiler::instance()->stats(); | |
525 | |
526 elapsedTimer timer = elapsedTimer(time, timeUnitsPerSecond); | |
527 if (osr) { | |
528 stats->_osr.update(timer, processedBytecodes); | |
529 } else { | |
530 stats->_standard.update(timer, processedBytecodes); | |
531 } | |
532 Handle installed_code_handle = JNIHandles::resolve(installed_code); | |
533 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) { | |
534 stats->_nmethods_size += HotSpotInstalledCode::size(installed_code_handle); | |
535 stats->_nmethods_code_size += HotSpotInstalledCode::codeSize(installed_code_handle); | |
536 } | |
537 | |
538 if (CITimeEach) { | |
539 methodHandle method = asMethod(HotSpotResolvedJavaMethodImpl::metaspaceMethod(hotspot_method)); | |
540 float bytes_per_sec = 1.0 * processedBytecodes / timer.seconds(); | |
541 tty->print_cr("%3d seconds: %f bytes/sec: %f (bytes %d)", | |
542 id, timer.seconds(), bytes_per_sec, processedBytecodes); | |
543 } | |
544 C2V_END | |
545 | |
546 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject)) | |
547 CompilerStatistics* stats = JVMCICompiler::instance()->stats(); | |
548 stats->_standard.reset(); | |
549 stats->_osr.reset(); | |
550 C2V_END | |
551 | |
552 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jlong codeBlob)) | |
553 ResourceMark rm; | |
554 HandleMark hm; | |
555 | |
556 CodeBlob* cb = (CodeBlob*) (address) codeBlob; | |
557 if (cb == NULL) { | |
558 return NULL; | |
559 } | |
560 | |
561 // We don't want the stringStream buffer to resize during disassembly as it | |
562 // uses scoped resource memory. If a nested function called during disassembly uses | |
563 // a ResourceMark and the buffer expands within the scope of the mark, | |
564 // the buffer becomes garbage when that scope is exited. Experience shows that | |
565 // the disassembled code is typically about 10x the code size so a fixed buffer | |
566 // sized to 20x code size plus a fixed amount for header info should be sufficient. | |
567 int bufferSize = cb->code_size() * 20 + 1024; | |
568 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); | |
569 stringStream st(buffer, bufferSize); | |
570 if (cb->is_nmethod()) { | |
571 nmethod* nm = (nmethod*) cb; | |
572 if (!nm->is_alive()) { | |
573 return NULL; | |
574 } | |
575 Disassembler::decode(nm, &st); | |
576 } else { | |
577 Disassembler::decode(cb, &st); | |
578 } | |
579 if (st.size() <= 0) { | |
580 return NULL; | |
581 } | |
582 | |
583 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL); | |
584 return JNIHandles::make_local(THREAD, result()); | |
585 C2V_END | |
586 | |
587 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jlong metaspace_method, int bci)) | |
588 ResourceMark rm; | |
589 HandleMark hm; | |
590 | |
591 methodHandle method = asMethod(metaspace_method); | |
592 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL); | |
593 return JNIHandles::make_local(THREAD, element); | |
594 C2V_END | |
595 | |
596 C2V_VMENTRY(jobject, executeCompiledMethodVarargs, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode)) | |
597 ResourceMark rm; | |
598 HandleMark hm; | |
599 | |
600 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode); | |
601 if (nmethodValue == 0L) { | |
602 THROW_(vmSymbols::com_oracle_jvmci_code_InvalidInstalledCodeException(), NULL); | |
603 } | |
604 nmethod* nm = (nmethod*) (address) nmethodValue; | |
605 methodHandle mh = nm->method(); | |
606 Symbol* signature = mh->signature(); | |
607 JavaCallArguments jca(mh->size_of_parameters()); | |
608 | |
609 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); | |
610 JavaValue result(jap.get_ret_type()); | |
611 jca.set_alternative_target(nm); | |
612 JavaCalls::call(&result, mh, &jca, CHECK_NULL); | |
613 | |
614 if (jap.get_ret_type() == T_VOID) { | |
615 return NULL; | |
616 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) { | |
617 return JNIHandles::make_local(THREAD, (oop) result.get_jobject()); | |
618 } else { | |
619 jvalue *value = (jvalue *) result.get_value_addr(); | |
620 // Narrow the value down if required (Important on big endian machines) | |
621 switch (jap.get_ret_type()) { | |
622 case T_BOOLEAN: | |
623 value->z = (jboolean) value->i; | |
624 break; | |
625 case T_BYTE: | |
626 value->b = (jbyte) value->i; | |
627 break; | |
628 case T_CHAR: | |
629 value->c = (jchar) value->i; | |
630 break; | |
631 case T_SHORT: | |
632 value->s = (jshort) value->i; | |
633 break; | |
634 } | |
635 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL); | |
636 return JNIHandles::make_local(THREAD, o); | |
637 } | |
638 C2V_END | |
639 | |
640 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jlong metaspace_method)) | |
641 Method* method = (Method*) metaspace_method; | |
642 if (!method->has_linenumber_table()) { | |
643 return NULL; | |
644 } | |
645 u2 num_entries = 0; | |
646 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); | |
647 while (streamForSize.read_pair()) { | |
648 num_entries++; | |
649 } | |
650 | |
651 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); | |
652 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL); | |
653 | |
654 int i = 0; | |
655 jlong value; | |
656 while (stream.read_pair()) { | |
657 value = ((long) stream.bci()); | |
658 result->long_at_put(i, value); | |
659 value = ((long) stream.line()); | |
660 result->long_at_put(i + 1, value); | |
661 i += 2; | |
662 } | |
663 | |
664 return (jlongArray) JNIHandles::make_local(THREAD, result); | |
665 C2V_END | |
666 | |
667 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jlong metaspace_method)) | |
668 ResourceMark rm; | |
669 Method* method = (Method*) metaspace_method; | |
670 if (!method->has_localvariable_table()) { | |
671 return 0; | |
672 } | |
673 return (jlong) (address) method->localvariable_table_start(); | |
674 C2V_END | |
675 | |
676 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jlong metaspace_method)) | |
677 ResourceMark rm; | |
678 Method* method = (Method*) metaspace_method; | |
679 return method->localvariable_table_length(); | |
680 C2V_END | |
681 | |
682 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jlong metaspace_method)) | |
683 Method* method = asMethod(metaspace_method); | |
684 MethodCounters* mcs = method->method_counters(); | |
685 if (mcs != NULL) { | |
686 mcs->clear_counters(); | |
687 } | |
688 NOT_PRODUCT(method->set_compiled_invocation_count(0)); | |
689 | |
690 nmethod* code = method->code(); | |
691 if (code != NULL) { | |
692 code->make_not_entrant(); | |
693 } | |
694 | |
695 MethodData* method_data = method->method_data(); | |
696 if (method_data == NULL) { | |
697 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); | |
698 method_data = MethodData::allocate(loader_data, method, CHECK); | |
699 method->set_method_data(method_data); | |
700 } else { | |
701 method_data->initialize(); | |
702 } | |
703 C2V_END | |
704 | |
705 | |
706 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject hotspotInstalledCode)) | |
707 jlong nativeMethod = InstalledCode::address(hotspotInstalledCode); | |
708 nmethod* m = (nmethod*)nativeMethod; | |
709 if (m != NULL && !m->is_not_entrant()) { | |
710 m->mark_for_deoptimization(); | |
711 VM_Deoptimize op; | |
712 VMThread::execute(&op); | |
713 } | |
714 InstalledCode::set_address(hotspotInstalledCode, 0); | |
715 C2V_END | |
716 | |
717 C2V_VMENTRY(jobject, getJavaMirror, (JNIEnv* env, jobject, jlong metaspace_klass)) | |
718 Klass* klass = asKlass(metaspace_klass); | |
719 return JNIHandles::make_local(THREAD, klass->java_mirror()); | |
720 C2V_END | |
721 | |
722 C2V_VMENTRY(jlong, readUnsafeKlassPointer, (JNIEnv*, jobject, jobject o)) | |
723 oop resolved_o = JNIHandles::resolve(o); | |
724 jlong klass = (jlong)(address)resolved_o->klass(); | |
725 return klass; | |
726 C2V_END | |
727 | |
728 C2V_VMENTRY(jobject, readUncompressedOop, (JNIEnv*, jobject, jlong addr)) | |
729 oop ret = oopDesc::load_decode_heap_oop((oop*)(address)addr); | |
730 return JNIHandles::make_local(THREAD, ret); | |
731 C2V_END | |
732 | |
733 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject)) | |
734 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL); | |
735 JavaThread::collect_counters(arrayOop); | |
736 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop); | |
737 C2V_END | |
738 | |
739 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jlong metaspace_method, int entry_bci)) | |
740 HandleMark hm; | |
741 ResourceMark rm; | |
742 Method* method = (Method*) metaspace_method; | |
743 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); | |
744 C2V_END | |
745 | |
746 | |
747 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data)) | |
748 MethodData* mdo = asMethodData(metaspace_method_data); | |
749 return mdo != NULL && mdo->is_mature(); | |
750 C2V_END | |
751 | |
752 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jlong metaspace_method, int entry_bci, int comp_level)) | |
753 Method* method = asMethod(metaspace_method); | |
754 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; | |
755 C2V_END | |
756 | |
757 C2V_VMENTRY(jlong, getTimeStamp, (JNIEnv*, jobject)) | |
758 // tty->time_stamp is the time since VM start which should be used | |
759 // for all HotSpot log output when a timestamp is required. | |
760 return tty->time_stamp().milliseconds(); | |
761 C2V_END | |
762 | |
763 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong metaspaceSymbol)) | |
764 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)metaspaceSymbol, CHECK_NULL); | |
765 return JNIHandles::make_local(THREAD, sym()); | |
766 C2V_END | |
767 | |
768 bool matches(jlongArray methods, Method* method) { | |
769 typeArrayOop methods_oop = (typeArrayOop) JNIHandles::resolve(methods); | |
770 | |
771 for (int i = 0; i < methods_oop->length(); i++) { | |
772 if (methods_oop->long_at(i) == (jlong) method) { | |
773 return true; | |
774 } | |
775 } | |
776 return false; | |
777 } | |
778 | |
779 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jlongArray methods, jint initialSkip)) | |
780 ResourceMark rm; | |
781 | |
782 if (!thread->has_last_Java_frame()) return NULL; | |
783 Handle result = InstanceKlass::cast(HotSpotStackFrameReference::klass())->allocate_instance(thread); | |
784 HotSpotStackFrameReference::klass()->initialize(thread); | |
785 | |
786 StackFrameStream fst(thread); | |
787 if (hs_frame != NULL) { | |
788 // look for the correct stack frame if one is given | |
789 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); | |
790 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { | |
791 fst.next(); | |
792 } | |
793 if (fst.current()->sp() != stack_pointer) { | |
794 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") | |
795 } | |
796 } | |
797 | |
798 int frame_number = 0; | |
799 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); | |
800 if (hs_frame != NULL) { | |
801 // look for the correct vframe within the stack frame if one is given | |
802 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); | |
803 while (frame_number < last_frame_number) { | |
804 if (vf->is_top()) { | |
805 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") | |
806 } | |
807 vf = vf->sender(); | |
808 frame_number ++; | |
809 } | |
810 // move one frame forward | |
811 if (vf->is_top()) { | |
812 if (fst.is_done()) { | |
813 return NULL; | |
814 } | |
815 fst.next(); | |
816 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); | |
817 frame_number = 0; | |
818 } else { | |
819 vf = vf->sender(); | |
820 frame_number++; | |
821 } | |
822 } | |
823 | |
824 while (true) { | |
825 // look for the given method | |
826 while (true) { | |
827 StackValueCollection* locals = NULL; | |
828 if (vf->is_compiled_frame()) { | |
829 // compiled method frame | |
830 compiledVFrame* cvf = compiledVFrame::cast(vf); | |
831 if (methods == NULL || matches(methods, cvf->method())) { | |
832 if (initialSkip > 0) { | |
833 initialSkip --; | |
834 } else { | |
835 GrowableArray<ScopeValue*>* objects = cvf->scope()->objects(); | |
836 bool reallocated = false; | |
837 if (objects != NULL) { | |
838 reallocated = Deoptimization::realloc_objects(thread, fst.current(), objects, THREAD); | |
839 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, reallocated); | |
840 | |
841 GrowableArray<ScopeValue*>* local_values = cvf->scope()->locals(); | |
842 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread); | |
843 for (int i = 0; i < local_values->length(); i++) { | |
844 ScopeValue* value = local_values->at(i); | |
845 if (value->is_object()) { | |
846 array->bool_at_put(i, true); | |
847 } | |
848 } | |
849 HotSpotStackFrameReference::set_localIsVirtual(result, array()); | |
850 } else { | |
851 HotSpotStackFrameReference::set_localIsVirtual(result, NULL); | |
852 } | |
853 | |
854 locals = cvf->locals(); | |
855 HotSpotStackFrameReference::set_bci(result, cvf->bci()); | |
856 HotSpotStackFrameReference::set_metaspaceMethod(result, (jlong) cvf->method()); | |
857 } | |
858 } | |
859 } else if (vf->is_interpreted_frame()) { | |
860 // interpreted method frame | |
861 interpretedVFrame* ivf = interpretedVFrame::cast(vf); | |
862 if (methods == NULL || matches(methods, ivf->method())) { | |
863 if (initialSkip > 0) { | |
864 initialSkip --; | |
865 } else { | |
866 locals = ivf->locals(); | |
867 HotSpotStackFrameReference::set_bci(result, ivf->bci()); | |
868 HotSpotStackFrameReference::set_metaspaceMethod(result, (jlong) ivf->method()); | |
869 HotSpotStackFrameReference::set_localIsVirtual(result, NULL); | |
870 } | |
871 } | |
872 } | |
873 | |
874 // locals != NULL means that we found a matching frame and result is already partially initialized | |
875 if (locals != NULL) { | |
876 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM)); | |
877 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp()); | |
878 HotSpotStackFrameReference::set_frameNumber(result, frame_number); | |
879 | |
880 // initialize the locals array | |
881 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread); | |
882 for (int i = 0; i < locals->size(); i++) { | |
883 StackValue* var = locals->at(i); | |
884 if (var->type() == T_OBJECT) { | |
885 array->obj_at_put(i, locals->at(i)->get_obj()()); | |
886 } | |
887 } | |
888 HotSpotStackFrameReference::set_locals(result, array()); | |
889 | |
890 return JNIHandles::make_local(thread, result()); | |
891 } | |
892 | |
893 if (vf->is_top()) { | |
894 break; | |
895 } | |
896 frame_number++; | |
897 vf = vf->sender(); | |
898 } // end of vframe loop | |
899 | |
900 if (fst.is_done()) { | |
901 break; | |
902 } | |
903 fst.next(); | |
904 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); | |
905 frame_number = 0; | |
906 } // end of frame loop | |
907 | |
908 // the end was reached without finding a matching method | |
909 return NULL; | |
910 C2V_END | |
911 | |
912 C2V_VMENTRY(void, resolveInvokeDynamic, (JNIEnv*, jobject, jlong metaspace_constant_pool, jint index)) | |
913 ConstantPool* cp = (ConstantPool*)metaspace_constant_pool; | |
914 CallInfo callInfo; | |
915 LinkResolver::resolve_invokedynamic(callInfo, cp, index, CHECK); | |
916 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); | |
917 cp_cache_entry->set_dynamic_call(cp, callInfo); | |
918 C2V_END | |
919 | |
920 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject)) | |
921 //see compute_recording_non_safepoints in debugInfroRec.cpp | |
922 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { | |
923 return true; | |
924 } | |
925 return DebugNonSafepoints; | |
926 C2V_END | |
927 | |
928 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); | |
929 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate)) | |
930 ResourceMark rm; | |
931 | |
932 if (hs_frame == NULL) { | |
933 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null") | |
934 } | |
935 | |
936 HotSpotStackFrameReference::klass()->initialize(thread); | |
937 | |
938 // look for the given stack frame | |
939 StackFrameStream fst(thread); | |
940 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); | |
941 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { | |
942 fst.next(); | |
943 } | |
944 if (fst.current()->sp() != stack_pointer) { | |
945 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") | |
946 } | |
947 | |
948 if (invalidate) { | |
949 assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); | |
950 ((nmethod*) fst.current()->cb())->make_not_entrant(); | |
951 } | |
952 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none); | |
953 | |
954 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); | |
955 if (!vf->is_compiled_frame()) { | |
956 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") | |
957 } | |
958 | |
959 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); | |
960 while (true) { | |
961 assert(vf->is_compiled_frame(), "Wrong frame type"); | |
962 virtualFrames->push(compiledVFrame::cast(vf)); | |
963 if (vf->is_top()) { | |
964 break; | |
965 } | |
966 vf = vf->sender(); | |
967 } | |
968 | |
969 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); | |
970 if (last_frame_number >= virtualFrames->length()) { | |
971 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") | |
972 } | |
973 | |
974 // Reallocate the non-escaping objects and restore their fields. | |
975 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); | |
976 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); | |
977 | |
978 if (objects == NULL) { | |
979 // no objects to materialize | |
980 return; | |
981 } | |
982 | |
983 bool reallocated = Deoptimization::realloc_objects(thread, fst.current(), objects, THREAD); | |
984 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, reallocated); | |
985 | |
986 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { | |
987 compiledVFrame* cvf = virtualFrames->at(frame_index); | |
988 | |
989 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); | |
990 StackValueCollection* locals = cvf->locals(); | |
991 | |
992 if (locals != NULL) { | |
993 for (int i2 = 0; i2 < locals->size(); i2++) { | |
994 StackValue* var = locals->at(i2); | |
995 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) { | |
996 jvalue val; | |
997 val.l = (jobject) locals->at(i2)->get_obj()(); | |
998 cvf->update_local(T_OBJECT, i2, val); | |
999 } | |
1000 } | |
1001 } | |
1002 } | |
1003 | |
1004 // all locals are materialized by now | |
1005 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL); | |
1006 | |
1007 // update the locals array | |
1008 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame); | |
1009 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); | |
1010 for (int i = 0; i < locals->size(); i++) { | |
1011 StackValue* var = locals->at(i); | |
1012 if (var->type() == T_OBJECT) { | |
1013 array->obj_at_put(i, locals->at(i)->get_obj()()); | |
1014 } | |
1015 } | |
1016 C2V_END | |
1017 | |
1018 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length)) | |
1019 while (length > 0) { | |
1020 jbyte* start = ((typeArrayOop) JNIHandles::resolve(bytes))->byte_at_addr(offset); | |
1021 tty->write((char*) start, MIN2(length, O_BUFLEN)); | |
1022 length -= O_BUFLEN; | |
1023 offset += O_BUFLEN; | |
1024 } | |
1025 C2V_END | |
1026 | |
1027 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject)) | |
1028 tty->flush(); | |
1029 C2V_END | |
1030 | |
1031 | |
1032 #define CC (char*) /*cast a literal from (const char*)*/ | |
1033 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) | |
1034 | |
1035 #define TYPE "Lcom/oracle/jvmci/meta/JavaType;" | |
1036 #define METHOD "Lcom/oracle/jvmci/meta/JavaMethod;" | |
1037 #define FIELD "Lcom/oracle/jvmci/meta/JavaField;" | |
1038 #define SPECULATION_LOG "Lcom/oracle/jvmci/code/SpeculationLog;" | |
1039 #define STRING "Ljava/lang/String;" | |
1040 #define OBJECT "Ljava/lang/Object;" | |
1041 #define CLASS "Ljava/lang/Class;" | |
1042 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" | |
1043 #define INSTALLED_CODE "Lcom/oracle/jvmci/code/InstalledCode;" | |
1044 #define RESOLVED_METHOD "Lcom/oracle/jvmci/meta/ResolvedJavaMethod;" | |
1045 #define HS_RESOLVED_METHOD "Lcom/oracle/jvmci/hotspot/HotSpotResolvedJavaMethod;" | |
1046 #define HS_COMPILED_CODE "Lcom/oracle/jvmci/hotspot/HotSpotCompiledCode;" | |
1047 #define HS_CONFIG "Lcom/oracle/jvmci/hotspot/HotSpotVMConfig;" | |
1048 #define HS_STACK_FRAME_REF "Lcom/oracle/jvmci/hotspot/HotSpotStackFrameReference;" | |
1049 #define METASPACE_KLASS "J" | |
1050 #define METASPACE_METHOD "J" | |
1051 #define METASPACE_METHOD_DATA "J" | |
1052 #define METASPACE_CONSTANT_POOL "J" | |
1053 | |
1054 JNINativeMethod CompilerToVM_methods[] = { | |
1055 {CC"getBytecode", CC"("METASPACE_METHOD")[B", FN_PTR(getBytecode)}, | |
1056 {CC"exceptionTableStart", CC"("METASPACE_METHOD")J", FN_PTR(exceptionTableStart)}, | |
1057 {CC"exceptionTableLength", CC"("METASPACE_METHOD")I", FN_PTR(exceptionTableLength)}, | |
1058 {CC"hasBalancedMonitors", CC"("METASPACE_METHOD")Z", FN_PTR(hasBalancedMonitors)}, | |
1059 {CC"findUniqueConcreteMethod", CC"("METASPACE_KLASS METASPACE_METHOD")"METASPACE_METHOD, FN_PTR(findUniqueConcreteMethod)}, | |
1060 {CC"getKlassImplementor", CC"("METASPACE_KLASS")"METASPACE_KLASS, FN_PTR(getKlassImplementor)}, | |
1061 {CC"getStackTraceElement", CC"("METASPACE_METHOD"I)"STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, | |
1062 {CC"methodIsIgnoredBySecurityStackWalk", CC"("METASPACE_METHOD")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, | |
1063 {CC"doNotInlineOrCompile", CC"("METASPACE_METHOD")V", FN_PTR(doNotInlineOrCompile)}, | |
1064 {CC"canInlineMethod", CC"("METASPACE_METHOD")Z", FN_PTR(canInlineMethod)}, | |
1065 {CC"shouldInlineMethod", CC"("METASPACE_METHOD")Z", FN_PTR(shouldInlineMethod)}, | |
1066 {CC"lookupType", CC"("STRING CLASS"Z)"METASPACE_KLASS, FN_PTR(lookupType)}, | |
1067 {CC"resolveConstantInPool", CC"("METASPACE_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolveConstantInPool)}, | |
1068 {CC"resolvePossiblyCachedConstantInPool", CC"("METASPACE_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)}, | |
1069 {CC"lookupNameRefInPool", CC"("METASPACE_CONSTANT_POOL"I)"STRING, FN_PTR(lookupNameRefInPool)}, | |
1070 {CC"lookupNameAndTypeRefIndexInPool", CC"("METASPACE_CONSTANT_POOL"I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, | |
1071 {CC"lookupSignatureRefInPool", CC"("METASPACE_CONSTANT_POOL"I)"STRING, FN_PTR(lookupSignatureRefInPool)}, | |
1072 {CC"lookupKlassRefIndexInPool", CC"("METASPACE_CONSTANT_POOL"I)I", FN_PTR(lookupKlassRefIndexInPool)}, | |
1073 {CC"constantPoolKlassAt", CC"("METASPACE_CONSTANT_POOL"I)"METASPACE_KLASS, FN_PTR(constantPoolKlassAt)}, | |
1074 {CC"lookupKlassInPool", CC"("METASPACE_CONSTANT_POOL"I)"METASPACE_KLASS, FN_PTR(lookupKlassInPool)}, | |
1075 {CC"lookupAppendixInPool", CC"("METASPACE_CONSTANT_POOL"I)"OBJECT, FN_PTR(lookupAppendixInPool)}, | |
1076 {CC"lookupMethodInPool", CC"("METASPACE_CONSTANT_POOL"IB)"METASPACE_METHOD, FN_PTR(lookupMethodInPool)}, | |
1077 {CC"constantPoolRemapInstructionOperandFromCache", CC"("METASPACE_CONSTANT_POOL"I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, | |
1078 {CC"resolveField", CC"("METASPACE_CONSTANT_POOL"IB[J)"METASPACE_KLASS, FN_PTR(resolveField)}, | |
1079 {CC"resolveInvokeDynamic", CC"("METASPACE_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeDynamic)}, | |
1080 {CC"resolveMethod", CC"("METASPACE_KLASS METASPACE_METHOD METASPACE_KLASS")"METASPACE_METHOD, FN_PTR(resolveMethod)}, | |
1081 {CC"getVtableIndexForInterface", CC"("METASPACE_KLASS METASPACE_METHOD")I", FN_PTR(getVtableIndexForInterface)}, | |
1082 {CC"getClassInitializer", CC"("METASPACE_KLASS")"METASPACE_METHOD, FN_PTR(getClassInitializer)}, | |
1083 {CC"hasFinalizableSubclass", CC"("METASPACE_KLASS")Z", FN_PTR(hasFinalizableSubclass)}, | |
1084 {CC"getMaxCallTargetOffset", CC"(J)J", FN_PTR(getMaxCallTargetOffset)}, | |
1085 {CC"getMetaspaceMethod", CC"("CLASS"I)"METASPACE_METHOD, FN_PTR(getMetaspaceMethod)}, | |
1086 {CC"initializeConfiguration", CC"("HS_CONFIG")V", FN_PTR(initializeConfiguration)}, | |
1087 {CC"installCode", CC"("HS_COMPILED_CODE INSTALLED_CODE SPECULATION_LOG")I", FN_PTR(installCode)}, | |
1088 {CC"notifyCompilationStatistics", CC"(I"HS_RESOLVED_METHOD"ZIJJ"INSTALLED_CODE")V", FN_PTR(notifyCompilationStatistics)}, | |
1089 {CC"resetCompilationStatistics", CC"()V", FN_PTR(resetCompilationStatistics)}, | |
1090 {CC"disassembleCodeBlob", CC"(J)"STRING, FN_PTR(disassembleCodeBlob)}, | |
1091 {CC"executeCompiledMethodVarargs", CC"(["OBJECT INSTALLED_CODE")"OBJECT, FN_PTR(executeCompiledMethodVarargs)}, | |
1092 {CC"getLineNumberTable", CC"("METASPACE_METHOD")[J", FN_PTR(getLineNumberTable)}, | |
1093 {CC"getLocalVariableTableStart", CC"("METASPACE_METHOD")J", FN_PTR(getLocalVariableTableStart)}, | |
1094 {CC"getLocalVariableTableLength", CC"("METASPACE_METHOD")I", FN_PTR(getLocalVariableTableLength)}, | |
1095 {CC"reprofile", CC"("METASPACE_METHOD")V", FN_PTR(reprofile)}, | |
1096 {CC"invalidateInstalledCode", CC"("INSTALLED_CODE")V", FN_PTR(invalidateInstalledCode)}, | |
1097 {CC"getJavaMirror", CC"("METASPACE_KLASS")"CLASS, FN_PTR(getJavaMirror)}, | |
1098 {CC"readUnsafeKlassPointer", CC"("OBJECT")J", FN_PTR(readUnsafeKlassPointer)}, | |
1099 {CC"readUncompressedOop", CC"(J)"OBJECT, FN_PTR(readUncompressedOop)}, | |
1100 {CC"collectCounters", CC"()[J", FN_PTR(collectCounters)}, | |
1101 {CC"allocateCompileId", CC"("METASPACE_METHOD"I)I", FN_PTR(allocateCompileId)}, | |
1102 {CC"isMature", CC"("METASPACE_METHOD_DATA")Z", FN_PTR(isMature)}, | |
1103 {CC"hasCompiledCodeForOSR", CC"("METASPACE_METHOD"II)Z", FN_PTR(hasCompiledCodeForOSR)}, | |
1104 {CC"getSymbol", CC"(J)"STRING, FN_PTR(getSymbol)}, | |
1105 {CC"getTimeStamp", CC"()J", FN_PTR(getTimeStamp)}, | |
1106 {CC"getNextStackFrame", CC"("HS_STACK_FRAME_REF "[JI)"HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)}, | |
1107 {CC"materializeVirtualObjects", CC"("HS_STACK_FRAME_REF"Z)V", FN_PTR(materializeVirtualObjects)}, | |
1108 {CC"shouldDebugNonSafepoints", CC"()Z", FN_PTR(shouldDebugNonSafepoints)}, | |
1109 {CC"writeDebugOutput", CC"([BII)V", FN_PTR(writeDebugOutput)}, | |
1110 {CC"flushDebugOutput", CC"()V", FN_PTR(flushDebugOutput)}, | |
1111 }; | |
1112 | |
1113 int CompilerToVM_methods_count() { | |
1114 return sizeof(CompilerToVM_methods) / sizeof(JNINativeMethod); | |
1115 } | |
1116 |