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 "runtime/fieldDescriptor.hpp"
26 #include "memory/oopFactory.hpp"
27 #include "oops/generateOopMap.hpp"
28 #include "oops/fieldStreams.hpp"
29 #include "runtime/javaCalls.hpp"
30 #include "graal/graalRuntime.hpp"
31 #include "compiler/compileBroker.hpp"
32 #include "compiler/compilerOracle.hpp"
33 #include "compiler/disassembler.hpp"
34 #include "graal/graalCompilerToVM.hpp"
35 #include "graal/graalCompiler.hpp"
36 #include "graal/graalEnv.hpp"
37 #include "graal/graalJavaAccess.hpp"
38 #include "graal/graalCodeInstaller.hpp"
39 #include "graal/graalVMToCompiler.hpp"
40 #include "gc_implementation/g1/heapRegion.hpp"
41
42
43 Method* getMethodFromHotSpotMethod(oop hotspot_method) {
44 assert(hotspot_method != NULL && hotspot_method->is_a(HotSpotResolvedJavaMethod::klass()), "sanity");
45 return asMethod(HotSpotResolvedJavaMethod::metaspaceMethod(hotspot_method));
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_graal_3("CompilerToVM::" #name); \
52 GRAAL_VM_ENTRY_MARK; \
53
54 // Entry to native method implementation that calls a JNI function
55 // and hence cannot transition current thread to '_thread_in_vm'.
56 #define C2V_ENTRY(result_type, name, signature) \
57 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
58 TRACE_graal_3("CompilerToVM::" #name); \
59
60 #define C2V_END }
61
62 C2V_ENTRY(jbyteArray, initializeBytecode, (JNIEnv *env, jobject, jlong metaspace_method, jbyteArray result))
63 methodHandle method = asMethod(metaspace_method);
64 ResourceMark rm;
65
66 int code_size = method->code_size();
67 jbyte* reconstituted_code = NULL;
68
69 // replace all breakpoints - must be done before undoing any rewriting
70 if (method->number_of_breakpoints() > 0) {
71 reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size);
72 memcpy(reconstituted_code, (jbyte *) method->code_base(), code_size);
73 BreakpointInfo* bp = InstanceKlass::cast(method->method_holder())->breakpoints();
74 for (; bp != NULL; bp = bp->next()) {
75 if (bp->match(method())) {
76 jbyte code = bp->orig_bytecode();
77 reconstituted_code[bp->bci()] = code;
78 }
79 }
80 }
81
82 // iterate over all bytecodes and replace non-Java bytecodes
83 if (RewriteBytecodes || RewriteFrequentPairs || InstanceKlass::cast(method->method_holder())->is_rewritten()) {
84 if (reconstituted_code == NULL) {
85 reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size);
86 memcpy(reconstituted_code, (jbyte *) method->code_base(), code_size);
87 }
88 BytecodeStream s(method);
89 while (!s.is_last_bytecode()) {
90 s.next();
91 Bytecodes::Code opcode = s.raw_code();
92 if (!Bytecodes::is_java_code(opcode)) {
93 jbyte original_opcode = Bytecodes::java_code(opcode);
94 int bci = s.bci();
95 reconstituted_code[bci] = original_opcode;
96 if (opcode == Bytecodes::_fast_aldc_w) {
97 int cpci = Bytes::get_native_u2((address) reconstituted_code + bci + 1);
98 int i = method->constants()->object_to_cp_index(cpci);
99 assert(i < method->constants()->length(), "sanity check");
100 Bytes::put_Java_u2((address) reconstituted_code + bci + 1, (u2)i);
101 } else if (opcode == Bytecodes::_fast_aldc) {
102 int cpci = reconstituted_code[bci + 1] & 0xff;
103 int i = method->constants()->object_to_cp_index(cpci);
104 assert(i < method->constants()->length(), "sanity check");
105 reconstituted_code[bci + 1] = (jbyte)i;
106 }
107 }
108 }
109 }
110
111 if (reconstituted_code == NULL) {
112 env->SetByteArrayRegion(result, 0, code_size, (jbyte *) method->code_base());
113 } else {
114 env->SetByteArrayRegion(result, 0, code_size, reconstituted_code);
115 }
116
117 return result;
118 C2V_END
119
120 C2V_VMENTRY(jstring, getSignature, (JNIEnv *env, jobject, jlong metaspace_method))
121 Method* method = asMethod(metaspace_method);
122 assert(method != NULL && method->signature() != NULL, "signature required");
123 return (jstring)JNIHandles::make_local(java_lang_String::create_from_symbol(method->signature(), THREAD)());
124 C2V_END
125
126 C2V_VMENTRY(jobjectArray, initializeExceptionHandlers, (JNIEnv *, jobject, jlong metaspace_method, jobjectArray java_handlers))
127 ResourceMark rm;
128 methodHandle method = asMethod(metaspace_method);
129 int handler_count = method->exception_table_length();
130 objArrayHandle array = (objArrayOop) JNIHandles::resolve(java_handlers);
131 assert(array->length() == handler_count, "wrong length");
132 ExceptionTableElement* handlers = handler_count == 0 ? NULL : method->exception_table_start();
133
134 for (int i = 0; i < handler_count; i++) {
135 ExceptionTableElement* handler = handlers + i;
136 Handle entry = array->obj_at(i);
137 assert(!entry.is_null(), "entry should not be null");
138 ExceptionHandler::set_startBCI(entry, handler->start_pc);
139 ExceptionHandler::set_endBCI(entry, handler->end_pc);
140 ExceptionHandler::set_handlerBCI(entry, handler->handler_pc);
141 int catch_class_index = handler->catch_type_index;
142 ExceptionHandler::set_catchTypeCPI(entry, catch_class_index);
143
144 if (catch_class_index == 0) {
145 ExceptionHandler::set_catchType(entry, NULL);
146 } else {
147 ConstantPool* cp = InstanceKlass::cast(method->method_holder())->constants();
148 KlassHandle loading_klass = method->method_holder();
149 Handle catch_class = GraalCompiler::get_JavaType(cp, catch_class_index, loading_klass, CHECK_NULL);
150 if (catch_class->klass() == HotSpotResolvedObjectType::klass() && java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(catch_class)) == SystemDictionary::Throwable_klass()) {
151 ExceptionHandler::set_catchType(entry, NULL);
152 ExceptionHandler::set_catchTypeCPI(entry, 0);
153 } else {
154 ExceptionHandler::set_catchType(entry, catch_class());
155 }
156 }
157 array->obj_at_put(i, entry());
158 }
159
160 return (jobjectArray) JNIHandles::make_local(array());
161 C2V_END
162
163 C2V_VMENTRY(jint, hasBalancedMonitors, (JNIEnv *, jobject, jlong metaspace_method))
164
165 // Analyze the method to see if monitors are used properly.
166 methodHandle method(THREAD, asMethod(metaspace_method));
167 assert(method->has_monitor_bytecodes(), "should have checked this");
168
169 // Check to see if a previous compilation computed the monitor-matching analysis.
170 if (method->guaranteed_monitor_matching()) {
171 return true;
172 }
173
174 {
175 EXCEPTION_MARK;
176 ResourceMark rm(THREAD);
177 GeneratePairingInfo gpi(method);
178 gpi.compute_map(CATCH);
179 if (!gpi.monitor_safe()) {
180 return false;
181 }
182 method->set_guaranteed_monitor_matching();
183 }
184 return true;
185 C2V_END
186
187 C2V_VMENTRY(jlong, getMetaspaceMethod, (JNIEnv *, jobject, jobject reflection_method_handle, jobject resultHolder))
188 oop reflection_method = JNIHandles::resolve(reflection_method_handle);
189 oop reflection_holder = java_lang_reflect_Method::clazz(reflection_method);
190 int slot = java_lang_reflect_Method::slot(reflection_method);
191 Klass* holder = java_lang_Class::as_Klass(reflection_holder);
192 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
193 Handle type = GraalCompiler::createHotSpotResolvedObjectType(method, CHECK_0);
194 objArrayOop(JNIHandles::resolve(resultHolder))->obj_at_put(0, type());
195 return (jlong) (address) method();
196 }
197
198 C2V_VMENTRY(jlong, getMetaspaceConstructor, (JNIEnv *, jobject, jobject reflection_ctor_handle, jobject resultHolder))
199 oop reflection_ctor = JNIHandles::resolve(reflection_ctor_handle);
200 oop reflection_holder = java_lang_reflect_Constructor::clazz(reflection_ctor);
201 int slot = java_lang_reflect_Constructor::slot(reflection_ctor);
202 Klass* holder = java_lang_Class::as_Klass(reflection_holder);
203 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
204 Handle type = GraalCompiler::createHotSpotResolvedObjectType(method, CHECK_0);
205 objArrayOop(JNIHandles::resolve(resultHolder))->obj_at_put(0, type());
206 return (jlong) (address) method();
207 }
208
209 C2V_VMENTRY(jobject, getJavaField, (JNIEnv *, jobject, jobject reflection_field_handle))
210 oop reflection_field = JNIHandles::resolve(reflection_field_handle);
211 oop reflection_holder = java_lang_reflect_Field::clazz(reflection_field);
212 int slot = java_lang_reflect_Field::slot(reflection_field);
213 InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(reflection_holder));
214
215 int offset = holder->field_offset(slot);
216 int flags = holder->field_access_flags(slot);
217 Symbol* field_name = holder->field_name(slot);
218 Handle field_holder = GraalCompiler::get_JavaTypeFromClass(reflection_holder, CHECK_NULL);
219 Handle field_type = GraalCompiler::get_JavaTypeFromClass(java_lang_reflect_Field::type(reflection_field), CHECK_NULL);
220
221 Handle ret = GraalCompiler::get_JavaField(offset, flags, field_name, field_holder, field_type, CHECK_NULL);
222 return JNIHandles::make_local(THREAD, ret());
223 }
224
225 C2V_VMENTRY(jlong, getUniqueConcreteMethod, (JNIEnv *, jobject, jlong metaspace_method, jobject resultHolder))
226 methodHandle method = asMethod(metaspace_method);
227 KlassHandle holder = method->method_holder();
228 if (holder->is_interface()) {
229 // Cannot trust interfaces. Because of:
230 // interface I { void foo(); }
231 // class A { public void foo() {} }
232 // class B extends A implements I { }
233 // class C extends B { public void foo() { } }
234 // class D extends B { }
235 // Would lead to identify C.foo() as the unique concrete method for I.foo() without seeing A.foo().
236 return 0L;
237 }
238 methodHandle ucm;
239 {
240 ResourceMark rm;
241 MutexLocker locker(Compile_lock);
242 ucm = Dependencies::find_unique_concrete_method(holder(), method());
243 }
244
245 if (ucm.is_null()) {
246 return 0L;
247 }
248
249 Handle type = GraalCompiler::createHotSpotResolvedObjectType(ucm(), CHECK_0);
250 objArrayOop(JNIHandles::resolve(resultHolder))->obj_at_put(0, type());
251 return (jlong) (address) ucm();
252 C2V_END
253
254 C2V_VMENTRY(jobject, getUniqueImplementor, (JNIEnv *, jobject, jobject interface_type))
255 InstanceKlass* klass = (InstanceKlass*) asKlass(HotSpotResolvedObjectType::metaspaceKlass(interface_type));
256 assert(klass->is_interface(), "must be");
257 if (klass->nof_implementors() == 1) {
258 InstanceKlass* implementor = (InstanceKlass*) klass->implementor();
259 if (!implementor->is_abstract() && !implementor->is_interface() && implementor->is_leaf_class()) {
260 Handle type = GraalCompiler::get_JavaType(implementor, CHECK_NULL);
261 return JNIHandles::make_local(THREAD, type());
262 }
263 }
264 return NULL;
265 C2V_END
266
267 C2V_ENTRY(jint, getInvocationCount, (JNIEnv *, jobject, jlong metaspace_method))
268 Method* method = asMethod(metaspace_method);
269 return method->invocation_count();
270 C2V_END
271
272 C2V_VMENTRY(void, initializeMethod,(JNIEnv *, jobject, jlong metaspace_method, jobject hotspot_method))
273 methodHandle method = asMethod(metaspace_method);
274 Handle name = java_lang_String::create_from_symbol(method->name(), CHECK);
275 InstanceKlass::cast(HotSpotResolvedJavaMethod::klass())->initialize(CHECK);
276 HotSpotResolvedJavaMethod::set_name(hotspot_method, name());
277 HotSpotResolvedJavaMethod::set_codeSize(hotspot_method, method->code_size());
278 HotSpotResolvedJavaMethod::set_exceptionHandlerCount(hotspot_method, method->exception_table_length());
279 C2V_END
280
281 C2V_VMENTRY(jboolean, isMethodCompilable,(JNIEnv *, jobject, jlong metaspace_method))
282 methodHandle method = asMethod(metaspace_method);
283 return !method->is_not_compilable() && !CompilerOracle::should_not_inline(method);
284 C2V_END
285
286 C2V_VMENTRY(void, initializeMethodData,(JNIEnv *, jobject, jlong metaspace_method_data, jobject hotspot_method_data))
287 MethodData* method_data = asMethodData(metaspace_method_data);
288 HotSpotMethodData::set_normalDataSize(hotspot_method_data, method_data->data_size());
289 HotSpotMethodData::set_extraDataSize(hotspot_method_data, method_data->extra_data_size());
290 C2V_END
291
292 // ------------------------------------------------------------------
293 // Adjust a CounterData count to be commensurate with
294 // interpreter_invocation_count. If the MDO exists for
295 // only 25% of the time the method exists, then the
296 // counts in the MDO should be scaled by 4X, so that
297 // they can be usefully and stably compared against the
298 // invocation counts in methods.
299 int scale_count(MethodData* method_data, int count) {
300 if (count > 0) {
301 int counter_life;
302 int method_life = method_data->method()->interpreter_invocation_count();
303 int current_mileage = MethodData::mileage_of(method_data->method());
304 int creation_mileage = method_data->creation_mileage();
305 counter_life = current_mileage - creation_mileage;
306
307 // counter_life due to backedge_counter could be > method_life
308 if (counter_life > method_life)
309 counter_life = method_life;
310 if (0 < counter_life && counter_life <= method_life) {
311 count = (int)((double)count * method_life / counter_life + 0.5);
312 count = (count > 0) ? count : 1;
313 }
314 }
315 return count;
316 }
317
318 C2V_ENTRY(jint, getCompiledCodeSize, (JNIEnv *env, jobject, jlong metaspace_method))
319 nmethod* code = (asMethod(metaspace_method))->code();
320 return code == NULL ? 0 : code->insts_size();
321 C2V_END
322
323 C2V_VMENTRY(jint, constantPoolLength, (JNIEnv *env, jobject, jobject type))
324 ConstantPool* cp = InstanceKlass::cast(java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(type)))->constants();
325 return cp->length();
326 C2V_END
327
328 C2V_VMENTRY(jobject, lookupType, (JNIEnv *env, jobject, jstring jname, jobject accessingClass, jboolean eagerResolve))
329 ResourceMark rm;
330
331 Handle name = JNIHandles::resolve(jname);
332 Symbol* nameSymbol = java_lang_String::as_symbol(name, THREAD);
333 assert(nameSymbol != NULL, "name to symbol creation failed");
334
335 oop result = NULL;
336 if (nameSymbol == vmSymbols::int_signature()) {
337 result = VMToCompiler::createPrimitiveJavaType((int) T_INT, THREAD);
338 } else if (nameSymbol == vmSymbols::long_signature()) {
339 result = VMToCompiler::createPrimitiveJavaType((int) T_LONG, THREAD);
340 } else if (nameSymbol == vmSymbols::bool_signature()) {
341 result = VMToCompiler::createPrimitiveJavaType((int) T_BOOLEAN, THREAD);
342 } else if (nameSymbol == vmSymbols::char_signature()) {
343 result = VMToCompiler::createPrimitiveJavaType((int) T_CHAR, THREAD);
344 } else if (nameSymbol == vmSymbols::short_signature()) {
345 result = VMToCompiler::createPrimitiveJavaType((int) T_SHORT, THREAD);
346 } else if (nameSymbol == vmSymbols::byte_signature()) {
347 result = VMToCompiler::createPrimitiveJavaType((int) T_BYTE, THREAD);
348 } else if (nameSymbol == vmSymbols::double_signature()) {
349 result = VMToCompiler::createPrimitiveJavaType((int) T_DOUBLE, THREAD);
350 } else if (nameSymbol == vmSymbols::float_signature()) {
351 result = VMToCompiler::createPrimitiveJavaType((int) T_FLOAT, THREAD);
352 } else if (nameSymbol == vmSymbols::void_signature()) {
353 result = VMToCompiler::createPrimitiveJavaType((int) T_VOID, THREAD);
354 } else {
355 Klass* resolved_type = NULL;
356 Handle classloader;
357 Handle protectionDomain;
358 if (JNIHandles::resolve(accessingClass) != NULL) {
359 classloader = java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(accessingClass))->class_loader();
360 protectionDomain = java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(accessingClass))->protection_domain();
361 }
362
363 if (eagerResolve) {
364 resolved_type = SystemDictionary::resolve_or_fail(nameSymbol, classloader, protectionDomain, true, THREAD);
365 } else {
366 resolved_type = SystemDictionary::resolve_or_null(nameSymbol, classloader, protectionDomain, THREAD);
367 }
368
369 if (!HAS_PENDING_EXCEPTION) {
370 if (resolved_type == NULL) {
371 assert(!eagerResolve, "failed eager resolution should have caused an exception");
372 Handle type = VMToCompiler::createUnresolvedJavaType(name, THREAD);
373 result = type();
374 } else {
375 Handle type = GraalCompiler::createHotSpotResolvedObjectType(resolved_type, name, CHECK_NULL);
376 result = type();
377 }
378 }
379 }
380
381 return JNIHandles::make_local(THREAD, result);
382 C2V_END
383
384 C2V_VMENTRY(jobject, lookupConstantInPool, (JNIEnv *env, jobject, jobject type, jint index))
385
386 ConstantPool* cp = InstanceKlass::cast(java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(type)))->constants();
387
388 oop result = NULL;
389 constantTag tag = cp->tag_at(index);
390 if (tag.is_int()) {
391 result = VMToCompiler::createConstant(Kind::Int(), cp->int_at(index), CHECK_0);
392 } else if (tag.is_long()) {
393 result = VMToCompiler::createConstant(Kind::Long(), cp->long_at(index), CHECK_0);
394 } else if (tag.is_float()) {
395 result = VMToCompiler::createConstantFloat(cp->float_at(index), CHECK_0);
396 } else if (tag.is_double()) {
397 result = VMToCompiler::createConstantDouble(cp->double_at(index), CHECK_0);
398 } else if (tag.is_string()) {
399 oop string = NULL;
400 if (cp->is_pseudo_string_at(index)) {
401 int obj_index = cp->cp_to_object_index(index);
402 string = cp->pseudo_string_at(index, obj_index);
403 } else {
404 string = cp->string_at(index, THREAD);
405 if (HAS_PENDING_EXCEPTION) {
406 CLEAR_PENDING_EXCEPTION;
407 // TODO: Gracefully exit compilation.
408 fatal("out of memory during compilation!");
409 return NULL;
410 }
411 }
412 result = VMToCompiler::createConstantObject(string, CHECK_0);
413 } else if (tag.is_klass() || tag.is_unresolved_klass()) {
414 Handle type = GraalCompiler::get_JavaType(cp, index, cp->pool_holder(), CHECK_NULL);
415 result = type();
416 } else {
417 tty->print("unknown constant pool tag (%s) at cpi %d in %s: ", tag.internal_name(), index, cp->pool_holder()->name()->as_C_string());
418 ShouldNotReachHere();
419 }
420
421 return JNIHandles::make_local(THREAD, result);
422 C2V_END
423
424 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv *env, jobject, jobject type, jint index, jbyte opcode))
425 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
426 index = GraalCompiler::to_cp_index(index, bc);
427 constantPoolHandle cpool(InstanceKlass::cast(java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(type)))->constants());
428 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cpool, index);
429
430 return JNIHandles::make_local(THREAD, appendix_oop);
431 C2V_END
432
433 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv *env, jobject, jobject type, jint index, jbyte opcode))
434 constantPoolHandle cp = InstanceKlass::cast(java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(type)))->constants();
435 instanceKlassHandle pool_holder(cp->pool_holder());
436
437 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
438 index = GraalCompiler::to_cp_index(index, bc);
439
440 methodHandle method = GraalEnv::get_method_by_index(cp, index, bc, pool_holder);
441 if (!method.is_null()) {
442 Handle holder = GraalCompiler::get_JavaType(method->method_holder(), CHECK_NULL);
443 return JNIHandles::make_local(THREAD, VMToCompiler::createResolvedJavaMethod(holder, method(), THREAD));
444 } else {
445 // Get the method's name and signature.
446 Handle name = java_lang_String::create_from_symbol(cp->name_ref_at(index), CHECK_NULL);
447 Handle signature = java_lang_String::create_from_symbol(cp->signature_ref_at(index), CHECK_NULL);
448 Handle type;
449 if (bc != Bytecodes::_invokedynamic) {
450 int holder_index = cp->klass_ref_index_at(index);
451 type = GraalCompiler::get_JavaType(cp, holder_index, cp->pool_holder(), CHECK_NULL);
452 } else {
453 type = Handle(SystemDictionary::MethodHandle_klass()->java_mirror());
454 }
455 return JNIHandles::make_local(THREAD, VMToCompiler::createUnresolvedJavaMethod(name, signature, type, THREAD));
456 }
457 C2V_END
458
459 C2V_VMENTRY(jobject, lookupTypeInPool, (JNIEnv *env, jobject, jobject type, jint index))
460
461 ConstantPool* cp = InstanceKlass::cast(java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(type)))->constants();
462 Handle result = GraalCompiler::get_JavaType(cp, index, cp->pool_holder(), CHECK_NULL);
463 return JNIHandles::make_local(THREAD, result());
464 C2V_END
465
466 C2V_VMENTRY(void, lookupReferencedTypeInPool, (JNIEnv *env, jobject, jobject type, jint index, jbyte op))
467 ConstantPool* cp = InstanceKlass::cast(java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(type)))->constants();
468 Bytecodes::Code bc = (Bytecodes::Code) (((int) op) & 0xFF);
469 if (bc != Bytecodes::_checkcast && bc != Bytecodes::_instanceof && bc != Bytecodes::_new && bc != Bytecodes::_anewarray
470 && bc != Bytecodes::_multianewarray && bc != Bytecodes::_ldc && bc != Bytecodes::_ldc_w && bc != Bytecodes::_ldc2_w)
471 {
472 index = cp->remap_instruction_operand_from_cache(GraalCompiler::to_cp_index(index, bc));
473 }
474 constantTag tag = cp->tag_at(index);
475 if (tag.is_field_or_method()) {
476 index = cp->uncached_klass_ref_index_at(index);
477 tag = cp->tag_at(index);
478 }
479
480 if (tag.is_unresolved_klass() || tag.is_klass()) {
481 Klass* klass = cp->klass_at(index, CHECK);
482 if (klass->oop_is_instance()) {
483 InstanceKlass::cast(klass)->initialize(CHECK);
484 }
485 }
486 C2V_END
487
488 C2V_VMENTRY(jobject, lookupFieldInPool, (JNIEnv *env, jobject, jobject constantPoolHolder, jint index, jbyte opcode))
489 ResourceMark rm;
490
491 index = GraalCompiler::to_cp_index_u2(index);
492 constantPoolHandle cp = InstanceKlass::cast(java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(constantPoolHolder)))->constants();
493
494 int nt_index = cp->name_and_type_ref_index_at(index);
495 int sig_index = cp->signature_ref_index_at(nt_index);
496 Symbol* signature = cp->symbol_at(sig_index);
497 int name_index = cp->name_ref_index_at(nt_index);
498 Symbol* name = cp->symbol_at(name_index);
499 int holder_index = cp->klass_ref_index_at(index);
500 Handle holder = GraalCompiler::get_JavaType(cp, holder_index, cp->pool_holder(), CHECK_NULL);
501 instanceKlassHandle holder_klass;
502
503 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
504 int offset = -1;
505 AccessFlags flags;
506 BasicType basic_type;
507 if (holder->klass() == SystemDictionary::HotSpotResolvedObjectType_klass()) {
508 FieldAccessInfo result;
509 LinkResolver::resolve_field(result, cp, index,
510 Bytecodes::java_code(code),
511 true, false, Thread::current());
512 if (HAS_PENDING_EXCEPTION) {
513 CLEAR_PENDING_EXCEPTION;
514 } else {
515 offset = result.field_offset();
516 flags = result.access_flags();
517 holder_klass = result.klass()();
518 basic_type = result.field_type();
519 holder = GraalCompiler::get_JavaType(holder_klass, CHECK_NULL);
520 }
521 }
522
523 Handle type = GraalCompiler::get_JavaTypeFromSignature(signature, cp->pool_holder(), CHECK_NULL);
524 Handle field_handle = GraalCompiler::get_JavaField(offset, flags.as_int(), name, holder, type, THREAD);
525
526 return JNIHandles::make_local(THREAD, field_handle());
527 C2V_END
528
529 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject resolved_type, jstring name, jstring signature))
530
531 assert(JNIHandles::resolve(resolved_type) != NULL, "");
532 Klass* klass = java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(resolved_type));
533 Symbol* name_symbol = java_lang_String::as_symbol(JNIHandles::resolve(name), THREAD);
534 Symbol* signature_symbol = java_lang_String::as_symbol(JNIHandles::resolve(signature), THREAD);
535 methodHandle method = klass->lookup_method(name_symbol, signature_symbol);
536 if (method.is_null()) {
537 if (TraceGraal >= 3) {
538 ResourceMark rm;
539 tty->print_cr("Could not resolve method %s %s on klass %s", name_symbol->as_C_string(), signature_symbol->as_C_string(), klass->name()->as_C_string());
540 }
541 return NULL;
542 }
543 Handle holder = GraalCompiler::get_JavaType(method->method_holder(), CHECK_NULL);
544 return JNIHandles::make_local(THREAD, VMToCompiler::createResolvedJavaMethod(holder, method(), THREAD));
545 C2V_END
546
547 C2V_VMENTRY(jboolean, isTypeInitialized,(JNIEnv *, jobject, jobject hotspot_klass))
548 Klass* klass = java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(hotspot_klass));
549 assert(klass != NULL, "method must not be called for primitive types");
550 return InstanceKlass::cast(klass)->is_initialized();
551 C2V_END
552
553 C2V_VMENTRY(void, initializeType, (JNIEnv *, jobject, jobject hotspot_klass))
554 Klass* klass = java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(hotspot_klass));
555 assert(klass != NULL, "method must not be called for primitive types");
556 InstanceKlass::cast(klass)->initialize(JavaThread::current());
557 C2V_END
558
559 C2V_VMENTRY(jobject, getInstanceFields, (JNIEnv *, jobject, jobject klass))
560 ResourceMark rm;
561
562 instanceKlassHandle k = java_lang_Class::as_Klass(HotSpotResolvedObjectType::javaMirror(klass));
563 GrowableArray<Handle> fields(k->java_fields_count());
564
565 for (AllFieldStream fs(k()); !fs.done(); fs.next()) {
566 if (!fs.access_flags().is_static()) {
567 Handle type = GraalCompiler::get_JavaTypeFromSignature(fs.signature(), k, Thread::current());
568 int flags = fs.access_flags().as_int();
569 bool internal = fs.access_flags().is_internal();
570 Handle name = java_lang_String::create_from_symbol(fs.name(), Thread::current());
571 Handle field = VMToCompiler::createJavaField(JNIHandles::resolve(klass), name, type, fs.offset(), flags, internal, Thread::current());
572 fields.append(field());
573 }
574 }
575 objArrayHandle field_array = oopFactory::new_objArray(SystemDictionary::HotSpotResolvedJavaField_klass(), fields.length(), CHECK_NULL);
576 for (int i = 0; i < fields.length(); ++i) {
577 field_array->obj_at_put(i, fields.at(i)());
578 }
579 return JNIHandles::make_local(field_array());
580 C2V_END
581
582 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv *env, jobject, jlong stub))
583 address target_addr = (address) stub;
584 if (target_addr != 0x0) {
585 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
586 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
587 return MAX2(ABS(off_low), ABS(off_high));
588 }
589 return -1;
590 C2V_END
591
592 C2V_VMENTRY(jobject, getResolvedType, (JNIEnv *env, jobject, jobject javaClass))
593 oop java_mirror = JNIHandles::resolve(javaClass);
594 assert(java_mirror != NULL, "argument to CompilerToVM.getResolvedType must not be NULL");
595 Handle type = GraalCompiler::get_JavaTypeFromClass(java_mirror, CHECK_NULL);
596 return JNIHandles::make_local(THREAD, type());
597 C2V_END
598
599
600 // helpers used to set fields in the HotSpotVMConfig object
601 jfieldID getFieldID(JNIEnv* env, jobject obj, const char* name, const char* sig) {
602 jfieldID id = env->GetFieldID(env->GetObjectClass(obj), name, sig);
603 if (id == NULL) {
604 fatal(err_msg("field not found: %s (%s)", name, sig));
605 }
606 return id;
607 }
608
609 BasicType basicTypes[] = { T_BOOLEAN, T_BYTE, T_SHORT, T_CHAR, T_INT, T_FLOAT, T_LONG, T_DOUBLE, T_OBJECT };
610 int basicTypeCount = sizeof(basicTypes) / sizeof(BasicType);
611
612 C2V_ENTRY(void, initializeConfiguration, (JNIEnv *env, jobject, jobject config))
613
614 #define set_boolean(name, value) do { env->SetBooleanField(config, getFieldID(env, config, name, "Z"), value); } while (0)
615 #define set_int(name, value) do { env->SetIntField(config, getFieldID(env, config, name, "I"), value); } while (0)
616 #define set_long(name, value) do { env->SetLongField(config, getFieldID(env, config, name, "J"), value); } while (0)
617 #define set_stub(name, value) do { set_long(name, (jlong) value); } while (0)
618 #define set_object(name, value) do { env->SetObjectField(config, getFieldID(env, config, name, "Ljava/lang/Object;"), value); } while (0)
619 #define set_int_array(name, value) do { env->SetObjectField(config, getFieldID(env, config, name, "[I"), value); } while (0)
620
621 guarantee(HeapWordSize == sizeof(char*), "Graal assumption that HeadWordSize == machine word size is wrong");
622 #ifdef _WIN64
623 set_boolean("windowsOs", true);
624 #else
625 set_boolean("windowsOs", false);
626 #endif
627 set_boolean("verifyOops", VerifyOops);
628 set_boolean("ciTime", CITime);
629 set_boolean("compileTheWorld", CompileTheWorld);
630 set_int("compileTheWorldStartAt", CompileTheWorldStartAt);
631 set_int("compileTheWorldStopAt", CompileTheWorldStopAt);
632 set_boolean("printCompilation", PrintCompilation);
633 set_boolean("printInlining", PrintInlining);
634 set_boolean("useFastLocking", GraalUseFastLocking);
635 set_boolean("useBiasedLocking", UseBiasedLocking);
636 set_boolean("usePopCountInstruction", UsePopCountInstruction);
637 set_boolean("useAESIntrinsics", UseAESIntrinsics);
638 set_boolean("useTLAB", UseTLAB);
639 set_boolean("useG1GC", UseG1GC);
640 set_int("codeEntryAlignment", CodeEntryAlignment);
641 set_int("stackShadowPages", StackShadowPages);
642 set_int("hubOffset", oopDesc::klass_offset_in_bytes());
643 set_int("markOffset", oopDesc::mark_offset_in_bytes());
644 set_int("prototypeMarkWordOffset", in_bytes(Klass::prototype_header_offset()));
645 set_int("superCheckOffsetOffset", in_bytes(Klass::super_check_offset_offset()));
646 set_int("secondarySuperCacheOffset", in_bytes(Klass::secondary_super_cache_offset()));
647 set_int("secondarySupersOffset", in_bytes(Klass::secondary_supers_offset()));
648 set_int("subklassOffset", in_bytes(Klass::subklass_offset()));
649 set_int("nextSiblingOffset", in_bytes(Klass::next_sibling_offset()));
650 set_int("arrayLengthOffset", arrayOopDesc::length_offset_in_bytes());
651 set_int("klassStateOffset", in_bytes(InstanceKlass::init_state_offset()));
652 set_int("klassStateFullyInitialized", (int)InstanceKlass::fully_initialized);
653 set_int("threadTlabTopOffset", in_bytes(JavaThread::tlab_top_offset()));
654 set_int("threadTlabEndOffset", in_bytes(JavaThread::tlab_end_offset()));
655 set_int("threadObjectOffset", in_bytes(JavaThread::threadObj_offset()));
656 set_int("osThreadOffset", in_bytes(JavaThread::osthread_offset()));
657 set_int("osThreadInterruptedOffset", in_bytes(OSThread::interrupted_offset()));
658 set_int("unlockedMask", (int) markOopDesc::unlocked_value);
659 set_int("biasedLockMaskInPlace", (int) markOopDesc::biased_lock_mask_in_place);
660 set_int("ageMaskInPlace", (int) markOopDesc::age_mask_in_place);
661 set_int("epochMaskInPlace", (int) markOopDesc::epoch_mask_in_place);
662 set_int("biasedLockPattern", (int) markOopDesc::biased_lock_pattern);
663 set_int("methodMaxLocalsOffset", in_bytes(ConstMethod::size_of_locals_offset()));
664 set_int("methodConstMethodOffset", in_bytes(Method::const_offset()));
665 set_int("constMethodMaxStackOffset", in_bytes(ConstMethod::max_stack_offset()));
666 set_int("extraStackEntries", Method::extra_stack_entries());
667 set_int("methodAccessFlagsOffset", in_bytes(Method::access_flags_offset()));
668 set_int("methodIntrinsicIdOffset", Method::intrinsic_id_offset_in_bytes());
669 set_int("klassHasFinalizerFlag", JVM_ACC_HAS_FINALIZER);
670 set_int("threadExceptionOopOffset", in_bytes(JavaThread::exception_oop_offset()));
671 set_int("threadExceptionPcOffset", in_bytes(JavaThread::exception_pc_offset()));
672 set_boolean("isPollingPageFar", Assembler::is_polling_page_far());
673 set_int("classMirrorOffset", in_bytes(Klass::java_mirror_offset()));
674 set_int("runtimeCallStackSize", (jint)frame::arg_reg_save_area_bytes);
675 set_int("klassModifierFlagsOffset", in_bytes(Klass::modifier_flags_offset()));
676 set_int("klassAccessFlagsOffset", in_bytes(Klass::access_flags_offset()));
677 set_int("klassOffset", java_lang_Class::klass_offset_in_bytes());
678 set_int("graalMirrorInClassOffset", java_lang_Class::graal_mirror_offset_in_bytes());
679 set_int("klassLayoutHelperOffset", in_bytes(Klass::layout_helper_offset()));
680 set_int("klassSuperKlassOffset", in_bytes(Klass::super_offset()));
681 set_int("methodDataOffset", in_bytes(Method::method_data_offset()));
682 set_int("nmethodEntryOffset", nmethod::verified_entry_point_offset());
683 set_int("methodCompiledEntryOffset", in_bytes(Method::from_compiled_offset()));
684 set_int("basicLockSize", sizeof(BasicLock));
685 set_int("basicLockDisplacedHeaderOffset", BasicLock::displaced_header_offset_in_bytes());
686 set_int("uninitializedIdentityHashCodeValue", markOopDesc::no_hash);
687 set_int("identityHashCodeShift", markOopDesc::hash_shift);
688
689 set_int("arrayKlassLayoutHelperIdentifier", 0x80000000);
690 assert((Klass::_lh_array_tag_obj_value & Klass::_lh_array_tag_type_value & 0x80000000) != 0, "obj_array and type_array must have first bit set");
691 set_int("arrayKlassComponentMirrorOffset", in_bytes(ArrayKlass::component_mirror_offset()));
692
693
694 set_int("pendingDeoptimizationOffset", in_bytes(ThreadShadow::pending_deoptimization_offset()));
695
696 set_int("metaspaceArrayLengthOffset", Array<Klass*>::length_offset_in_bytes());
697 set_int("metaspaceArrayBaseOffset", Array<Klass*>::base_offset_in_bytes());
698 set_int("methodDataOopDataOffset", in_bytes(MethodData::data_offset()));
699 set_int("methodDataOopTrapHistoryOffset", in_bytes(MethodData::trap_history_offset()));
700 set_int("dataLayoutHeaderSize", DataLayout::header_size_in_bytes());
701 set_int("dataLayoutTagOffset", in_bytes(DataLayout::tag_offset()));
702 set_int("dataLayoutFlagsOffset", in_bytes(DataLayout::flags_offset()));
703 set_int("dataLayoutBCIOffset", in_bytes(DataLayout::bci_offset()));
704 set_int("dataLayoutCellsOffset", in_bytes(DataLayout::cell_offset(0)));
705 set_int("dataLayoutCellSize", DataLayout::cell_size);
706 set_int("bciProfileWidth", BciProfileWidth);
707 set_int("typeProfileWidth", TypeProfileWidth);
708
709 set_int("tlabAlignmentReserve", (int32_t)ThreadLocalAllocBuffer::alignment_reserve());
710 set_long("tlabIntArrayMarkWord", (intptr_t)markOopDesc::prototype()->copy_set_hash(0x2));
711 set_long("heapTopAddress", (jlong)(address) Universe::heap()->top_addr());
712 set_long("heapEndAddress", (jlong)(address) Universe::heap()->end_addr());
713 set_int("threadTlabStartOffset", in_bytes(JavaThread::tlab_start_offset()));
714 set_int("threadTlabSizeOffset", in_bytes(JavaThread::tlab_size_offset()));
715 set_int("threadAllocatedBytesOffset", in_bytes(JavaThread::allocated_bytes_offset()));
716 set_int("tlabSlowAllocationsOffset", in_bytes(JavaThread::tlab_slow_allocations_offset()));
717 set_int("tlabFastRefillWasteOffset", in_bytes(JavaThread::tlab_fast_refill_waste_offset()));
718 set_int("tlabNumberOfRefillsOffset", in_bytes(JavaThread::tlab_number_of_refills_offset()));
719 set_int("tlabRefillWasteLimitOffset", in_bytes(JavaThread::tlab_refill_waste_limit_offset()));
720 set_int("tlabRefillWasteIncrement", (int32_t) ThreadLocalAllocBuffer::refill_waste_limit_increment());
721 set_int("klassInstanceSizeOffset", in_bytes(Klass::layout_helper_offset()));
722 set_boolean("tlabStats", TLABStats);
723 set_boolean("inlineContiguousAllocationSupported", !CMSIncrementalMode && Universe::heap()->supports_inline_contig_alloc());
724
725 set_long("arrayPrototypeMarkWord", (intptr_t)markOopDesc::prototype());
726 set_int("layoutHelperLog2ElementSizeShift", Klass::_lh_log2_element_size_shift);
727 set_int("layoutHelperLog2ElementSizeMask", Klass::_lh_log2_element_size_mask);
728 set_int("layoutHelperElementTypeShift", Klass::_lh_element_type_shift);
729 set_int("layoutHelperElementTypeMask", Klass::_lh_element_type_mask);
730 // this filters out the bit that differentiates a type array from an object array
731 set_int("layoutHelperElementTypePrimitiveInPlace", (Klass::_lh_array_tag_type_value & ~Klass::_lh_array_tag_obj_value) << Klass::_lh_array_tag_shift);
732 set_int("layoutHelperHeaderSizeShift", Klass::_lh_header_size_shift);
733 set_int("layoutHelperHeaderSizeMask", Klass::_lh_header_size_mask);
734 set_int("layoutHelperOffset", in_bytes(Klass::layout_helper_offset()));
735
736
737 set_stub("wbPreCallStub", GraalRuntime::entry_for(GraalRuntime::wb_pre_call_id));
738 set_stub("wbPostCallStub", GraalRuntime::entry_for(GraalRuntime::wb_post_call_id));
739
740 set_stub("newInstanceStub", GraalRuntime::entry_for(GraalRuntime::new_instance_id));
741 set_stub("newArrayStub", GraalRuntime::entry_for(GraalRuntime::new_array_id));
742 set_stub("newMultiArrayStub", GraalRuntime::entry_for(GraalRuntime::new_multi_array_id));
743 set_stub("identityHashCodeStub", GraalRuntime::entry_for(GraalRuntime::identity_hash_code_id));
744 set_stub("threadIsInterruptedStub", GraalRuntime::entry_for(GraalRuntime::thread_is_interrupted_id));
745 set_stub("inlineCacheMissStub", SharedRuntime::get_ic_miss_stub());
746 set_stub("handleExceptionStub", GraalRuntime::entry_for(GraalRuntime::handle_exception_nofpu_id));
747 set_stub("handleDeoptStub", SharedRuntime::deopt_blob()->unpack());
748 set_stub("monitorEnterStub", GraalRuntime::entry_for(GraalRuntime::monitorenter_id));
749 set_stub("monitorExitStub", GraalRuntime::entry_for(GraalRuntime::monitorexit_id));
750 set_stub("verifyOopStub", GraalRuntime::entry_for(GraalRuntime::verify_oop_id));
751 set_stub("vmErrorStub", GraalRuntime::entry_for(GraalRuntime::vm_error_id));
752 set_stub("deoptimizeStub", SharedRuntime::deopt_blob()->uncommon_trap());
753 set_stub("unwindExceptionStub", GraalRuntime::entry_for(GraalRuntime::unwind_exception_call_id));
754 set_stub("osrMigrationEndStub", GraalRuntime::entry_for(GraalRuntime::OSR_migration_end_id));
755 set_stub("registerFinalizerStub", GraalRuntime::entry_for(GraalRuntime::register_finalizer_id));
756 set_stub("createNullPointerExceptionStub", GraalRuntime::entry_for(GraalRuntime::create_null_pointer_exception_id));
757 set_stub("createOutOfBoundsExceptionStub", GraalRuntime::entry_for(GraalRuntime::create_out_of_bounds_exception_id));
758 set_stub("javaTimeMillisStub", CAST_FROM_FN_PTR(address, os::javaTimeMillis));
759 set_stub("javaTimeNanosStub", CAST_FROM_FN_PTR(address, os::javaTimeNanos));
760 set_stub("arithmeticFremStub", GraalRuntime::entry_for(GraalRuntime::arithmetic_frem_id));
761 set_stub("arithmeticDremStub", GraalRuntime::entry_for(GraalRuntime::arithmetic_drem_id));
762 set_stub("arithmeticSinStub", CAST_FROM_FN_PTR(address, SharedRuntime::dsin));
763 set_stub("arithmeticCosStub", CAST_FROM_FN_PTR(address, SharedRuntime::dcos));
764 set_stub("arithmeticTanStub", CAST_FROM_FN_PTR(address, SharedRuntime::dtan));
765 set_stub("logPrimitiveStub", GraalRuntime::entry_for(GraalRuntime::log_primitive_id));
766 set_stub("logObjectStub", GraalRuntime::entry_for(GraalRuntime::log_object_id));
767 set_stub("logPrintfStub", GraalRuntime::entry_for(GraalRuntime::log_printf_id));
768 set_stub("aescryptEncryptBlockStub", StubRoutines::aescrypt_encryptBlock());
769 set_stub("aescryptDecryptBlockStub", StubRoutines::aescrypt_decryptBlock());
770 set_stub("cipherBlockChainingEncryptAESCryptStub", StubRoutines::cipherBlockChaining_encryptAESCrypt());
771 set_stub("cipherBlockChainingDecryptAESCryptStub", StubRoutines::cipherBlockChaining_decryptAESCrypt());
772
773 set_int("deoptReasonNone", Deoptimization::Reason_none);
774 set_int("deoptReasonNullCheck", Deoptimization::Reason_null_check);
775 set_int("deoptReasonRangeCheck", Deoptimization::Reason_range_check);
776 set_int("deoptReasonClassCheck", Deoptimization::Reason_class_check);
777 set_int("deoptReasonArrayCheck", Deoptimization::Reason_array_check);
778 set_int("deoptReasonUnreached0", Deoptimization::Reason_unreached0);
779 set_int("deoptReasonTypeCheckInlining", Deoptimization::Reason_type_checked_inlining);
780 set_int("deoptReasonOptimizedTypeCheck", Deoptimization::Reason_optimized_type_check);
781 set_int("deoptReasonNotCompiledExceptionHandler", Deoptimization::Reason_not_compiled_exception_handler);
782 set_int("deoptReasonUnresolved", Deoptimization::Reason_unresolved);
783 set_int("deoptReasonJsrMismatch", Deoptimization::Reason_jsr_mismatch);
784 set_int("deoptReasonDiv0Check", Deoptimization::Reason_div0_check);
785 set_int("deoptReasonConstraint", Deoptimization::Reason_constraint);
786
787 set_int("deoptActionNone", Deoptimization::Action_none);
788 set_int("deoptActionMaybeRecompile", Deoptimization::Action_maybe_recompile);
789 set_int("deoptActionReinterpret", Deoptimization::Action_reinterpret);
790 set_int("deoptActionMakeNotEntrant", Deoptimization::Action_make_not_entrant);
791 set_int("deoptActionMakeNotCompilable", Deoptimization::Action_make_not_compilable);
792
793 set_int("vmIntrinsicInvokeBasic", vmIntrinsics::_invokeBasic);
794 set_int("vmIntrinsicLinkToVirtual", vmIntrinsics::_linkToVirtual);
795 set_int("vmIntrinsicLinkToStatic", vmIntrinsics::_linkToStatic);
796 set_int("vmIntrinsicLinkToSpecial", vmIntrinsics::_linkToSpecial);
797 set_int("vmIntrinsicLinkToInterface", vmIntrinsics::_linkToInterface);
798
799 set_int("g1CardQueueIndexOffset", in_bytes(JavaThread::dirty_card_queue_offset() + PtrQueue::byte_offset_of_index()));
800 set_int("g1CardQueueBufferOffset", in_bytes(JavaThread::dirty_card_queue_offset() + PtrQueue::byte_offset_of_buf()));
801 set_int("logOfHRGrainBytes", HeapRegion::LogOfHRGrainBytes);
802 set_int("g1SATBQueueMarkingOffset", in_bytes(JavaThread::satb_mark_queue_offset() + PtrQueue::byte_offset_of_active()));
803 set_int("g1SATBQueueIndexOffset", in_bytes(JavaThread::satb_mark_queue_offset() + PtrQueue::byte_offset_of_index()));
804 set_int("g1SATBQueueBufferOffset", in_bytes(JavaThread::satb_mark_queue_offset() + PtrQueue::byte_offset_of_buf()));
805
806 BarrierSet* bs = Universe::heap()->barrier_set();
807 switch (bs->kind()) {
808 case BarrierSet::CardTableModRef:
809 case BarrierSet::CardTableExtension:
810 case BarrierSet::G1SATBCT:
811 case BarrierSet::G1SATBCTLogging:{
812 jlong base = (jlong)((CardTableModRefBS*)bs)->byte_map_base;
813 assert(base != 0, "unexpected byte_map_base");
814 set_long("cardtableStartAddress", base);
815 set_int("cardtableShift", CardTableModRefBS::card_shift);
816 break;
817 }
818 case BarrierSet::ModRef:
819 case BarrierSet::Other:
820 set_long("cardtableStartAddress", 0);
821 set_int("cardtableShift", 0);
822 // No post barriers
823 break;
824 default:
825 ShouldNotReachHere();
826 break;
827 }
828
829 set_int("arrayClassElementOffset", in_bytes(ObjArrayKlass::element_klass_offset()));
830
831 #undef set_boolean
832 #undef set_int
833 #undef set_long
834 #undef set_object
835 #undef set_int_array
836
837 C2V_END
838
839 C2V_VMENTRY(jint, installCode0, (JNIEnv *jniEnv, jobject, jobject compResult, jobject installed_code, jobject triggered_deoptimizations))
840 ResourceMark rm;
841 HandleMark hm;
842 Handle compResultHandle = JNIHandles::resolve(compResult);
843 nmethod* nm = NULL;
844 methodHandle method = getMethodFromHotSpotMethod(HotSpotCompilationResult::method(compResult));
845 Handle installed_code_handle = JNIHandles::resolve(installed_code);
846 Handle triggered_deoptimizations_handle = JNIHandles::resolve(triggered_deoptimizations);
847 GraalEnv::CodeInstallResult result;
848 CodeInstaller installer(compResultHandle, method, result, nm, installed_code_handle, triggered_deoptimizations_handle);
849
850 if (PrintCodeCacheOnCompilation) {
851 stringStream s;
852 // Dump code cache into a buffer before locking the tty,
853 {
854 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
855 CodeCache::print_summary(&s, false);
856 }
857 ttyLocker ttyl;
858 tty->print_cr(s.as_string());
859 }
860
861 if (result != GraalEnv::ok) {
862 assert(nm == NULL, "should be");
863 } else {
864 if (!installed_code_handle.is_null()) {
865 assert(installed_code_handle->is_a(HotSpotInstalledCode::klass()), "wrong type");
866 HotSpotInstalledCode::set_nmethod(installed_code_handle, (jlong) nm);
867 HotSpotInstalledCode::set_method(installed_code_handle, HotSpotCompilationResult::method(compResult));
868 HotSpotInstalledCode::set_start(installed_code_handle, (jlong) nm->code_begin());
869 assert(nm == NULL || !installed_code_handle->is_scavengable() || nm->on_scavenge_root_list(), "nm should be scavengable if installed_code is scavengable");
870 }
871 }
872 return result;
873 C2V_END
874
875 C2V_VMENTRY(void, clearQueuedForCompilation, (JNIEnv *jniEnv, jobject, jobject resolvedMethod))
876 methodHandle method = getMethodFromHotSpotMethod(JNIHandles::resolve(resolvedMethod));
877 method->clear_queued_for_compilation();
878 C2V_END
879
880 C2V_VMENTRY(jobject, getCode, (JNIEnv *jniEnv, jobject, jlong metaspace_nmethod))
881 ResourceMark rm;
882 HandleMark hm;
883
884 nmethod* nm = (nmethod*) (address) metaspace_nmethod;
885 if (nm == NULL || !nm->is_alive()) {
886 return NULL;
887 }
888 int length = nm->code_size();
889 arrayOop codeCopy = oopFactory::new_byteArray(length, CHECK_0);
890 memcpy(codeCopy->base(T_BYTE), nm->code_begin(), length);
891 return JNIHandles::make_local(codeCopy);
892 C2V_END
893
894 C2V_VMENTRY(jobject, disassembleNMethod, (JNIEnv *jniEnv, jobject, jlong metaspace_nmethod))
895 ResourceMark rm;
896 HandleMark hm;
897
898 nmethod* nm = (nmethod*) (address) metaspace_nmethod;
899 if (nm == NULL || !nm->is_alive()) {
900 return NULL;
901 }
902 stringStream(st);
903 Disassembler::decode(nm, &st);
904
905 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
906 return JNIHandles::make_local(result());
907 C2V_END
908
909 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv *env, jobject, jlong metaspace_method, int bci))
910 ResourceMark rm;
911 HandleMark hm;
912
913 methodHandle method = asMethod(metaspace_method);
914 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
915 return JNIHandles::make_local(element);
916 C2V_END
917
918 C2V_VMENTRY(jobject, executeCompiledMethodVarargs, (JNIEnv *env, jobject, jlong metaspace_method, jlong metaspace_nmethod, jobject args))
919 ResourceMark rm;
920 HandleMark hm;
921
922 assert(metaspace_method != 0, "just checking");
923 methodHandle mh = asMethod(metaspace_method);
924 Symbol* signature = mh->signature();
925 JavaCallArguments jca(mh->size_of_parameters());
926
927 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
928 JavaValue result(jap.get_ret_type());
929
930 nmethod* nm = (nmethod*) (address) metaspace_nmethod;
931 if (nm == NULL || !nm->is_alive()) {
932 THROW_0(vmSymbols::MethodInvalidatedException());
933 }
934
935 jca.set_alternative_target(nm);
936 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
937
938 if (jap.get_ret_type() == T_VOID) {
939 return NULL;
940 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
941 return JNIHandles::make_local((oop) result.get_jobject());
942 } else {
943 oop o = java_lang_boxing_object::create(jap.get_ret_type(), (jvalue *) result.get_value_addr(), CHECK_NULL);
944 return JNIHandles::make_local(o);
945 }
946 C2V_END
947
948 C2V_VMENTRY(jobject, executeCompiledMethod, (JNIEnv *env, jobject, jlong metaspace_method, jlong metaspace_nmethod, jobject arg1, jobject arg2, jobject arg3))
949 ResourceMark rm;
950 HandleMark hm;
951
952 methodHandle method = asMethod(metaspace_method);
953 assert(!method.is_null(), "just checking");
954 JavaValue result(T_OBJECT);
955 JavaCallArguments args;
956 args.push_oop(JNIHandles::resolve(arg1));
957 args.push_oop(JNIHandles::resolve(arg2));
958 args.push_oop(JNIHandles::resolve(arg3));
959
960 nmethod* nm = (nmethod*) (address) metaspace_nmethod;
961 if (nm == NULL || !nm->is_alive()) {
962 THROW_0(vmSymbols::MethodInvalidatedException());
963 }
964
965 args.set_alternative_target(nm);
966 JavaCalls::call(&result, method, &args, CHECK_NULL);
967
968 return JNIHandles::make_local((oop) result.get_jobject());
969 C2V_END
970
971 C2V_VMENTRY(jint, getVtableEntryOffset, (JNIEnv *, jobject, jlong metaspace_method))
972
973 Method* method = asMethod(metaspace_method);
974 assert(!InstanceKlass::cast(method->method_holder())->is_interface(), "vtableEntryOffset cannot be called for interface methods");
975 assert(InstanceKlass::cast(method->method_holder())->is_linked(), "vtableEntryOffset cannot be called is holder is not linked");
976
977 // get entry offset in words
978 int vtable_entry_offset = InstanceKlass::vtable_start_offset() + method->vtable_index() * vtableEntry::size();
979 // convert to bytes
980 vtable_entry_offset = vtable_entry_offset * wordSize + vtableEntry::method_offset_in_bytes();
981
982 return vtable_entry_offset;
983 C2V_END
984
985 C2V_VMENTRY(jobject, getDeoptedLeafGraphIds, (JNIEnv *, jobject))
986
987 // the contract for this method is as follows:
988 // returning null: no deopted leaf graphs
989 // returning array (size > 0): the ids of the deopted leaf graphs
990 // returning array (size == 0): there was an overflow, the compiler needs to clear its cache completely
991
992 oop array = GraalCompiler::instance()->dump_deopted_leaf_graphs(CHECK_NULL);
993 return JNIHandles::make_local(array);
994 C2V_END
995
996 C2V_ENTRY(jlongArray, getLineNumberTable, (JNIEnv *env, jobject, jobject hotspot_method))
997 Method* method = getMethodFromHotSpotMethod(JNIHandles::resolve(hotspot_method));
998 if (!method->has_linenumber_table()) {
999 return NULL;
1000 }
1001 u2 num_entries = 0;
1002 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1003 while (streamForSize.read_pair()) {
1004 num_entries++;
1005 }
1006
1007 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1008 jlongArray result = env->NewLongArray(2 * num_entries);
1009
1010 int i = 0;
1011 jlong value;
1012 while (stream.read_pair()) {
1013 value = ((long) stream.bci());
1014 env->SetLongArrayRegion(result,i,1,&value);
1015 value = ((long) stream.line());
1016 env->SetLongArrayRegion(result,i + 1,1,&value);
1017 i += 2;
1018 }
1019
1020 return result;
1021 C2V_END
1022
1023 C2V_VMENTRY(jobject, getLocalVariableTable, (JNIEnv *, jobject, jobject hotspot_method))
1024 ResourceMark rm;
1025
1026 Method* method = getMethodFromHotSpotMethod(JNIHandles::resolve(hotspot_method));
1027 if (!method->has_localvariable_table()) {
1028 return NULL;
1029 }
1030 int localvariable_table_length = method->localvariable_table_length();
1031
1032 objArrayHandle local_array = oopFactory::new_objArray(SystemDictionary::LocalImpl_klass(), localvariable_table_length, CHECK_NULL);
1033 LocalVariableTableElement* table = method->localvariable_table_start();
1034 for (int i = 0; i < localvariable_table_length; i++) {
1035 u2 start_bci = table[i].start_bci;
1036 u4 end_bci = (u4)(start_bci + table[i].length);
1037 u2 nameCPIdx = table[i].name_cp_index;
1038 u2 typeCPIdx = table[i].descriptor_cp_index;
1039 u2 slot = table[i].slot;
1040
1041 char* name = method->constants()->symbol_at(nameCPIdx)->as_C_string();
1042 Handle nameHandle = java_lang_String::create_from_str(name, CHECK_NULL);
1043
1044 char* typeInfo = method->constants()->symbol_at(typeCPIdx)->as_C_string();
1045 Handle typeHandle = java_lang_String::create_from_str(typeInfo, CHECK_NULL);
1046
1047 Handle holderHandle = GraalCompiler::createHotSpotResolvedObjectType(method, CHECK_0);
1048 Handle local = VMToCompiler::createLocal(nameHandle, typeHandle, (int) start_bci, (int) end_bci, (int) slot, holderHandle, Thread::current());
1049 local_array->obj_at_put(i, local());
1050 }
1051
1052 return JNIHandles::make_local(local_array());
1053 C2V_END
1054
1055
1056 C2V_VMENTRY(jobject, getFileName, (JNIEnv *, jobject, jobject klass))
1057 ResourceMark rm;
1058 InstanceKlass* k = (InstanceKlass*) asKlass(HotSpotResolvedObjectType::metaspaceKlass(klass));
1059 Symbol *s = k->source_file_name();
1060 int length;
1061 jchar *name = s->as_unicode(length);
1062
1063 Handle result = java_lang_String::create_from_unicode(name, length, CHECK_NULL);
1064 return JNIHandles::make_local(result());
1065
1066 C2V_END
1067
1068
1069 C2V_VMENTRY(void, reprofile, (JNIEnv *env, jobject, jlong metaspace_method))
1070 Method* method = asMethod(metaspace_method);
1071 method->reset_counters();
1072
1073 nmethod* code = method->code();
1074 if (code != NULL) {
1075 code->make_not_entrant();
1076 }
1077
1078 MethodData* method_data = method->method_data();
1079 if (method_data == NULL) {
1080 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1081 method_data = MethodData::allocate(loader_data, method, CHECK);
1082 method->set_method_data(method_data);
1083 } else {
1084 method_data->initialize();
1085 }
1086 C2V_END
1087
1088
1089
1090 #define CC (char*) /*cast a literal from (const char*)*/
1091 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1092
1093 #define RESOLVED_TYPE "Lcom/oracle/graal/api/meta/ResolvedJavaType;"
1094 #define TYPE "Lcom/oracle/graal/api/meta/JavaType;"
1095 #define METHOD "Lcom/oracle/graal/api/meta/JavaMethod;"
1096 #define FIELD "Lcom/oracle/graal/api/meta/JavaField;"
1097 #define SIGNATURE "Lcom/oracle/graal/api/meta/Signature;"
1098 #define CONSTANT_POOL "Lcom/oracle/graal/api/meta/ConstantPool;"
1099 #define CONSTANT "Lcom/oracle/graal/api/meta/Constant;"
1100 #define KIND "Lcom/oracle/graal/api/meta/Kind;"
1101 #define LOCAL "Lcom/oracle/graal/api/meta/Local;"
1102 #define RUNTIME_CALL "Lcom/oracle/graal/api/code/RuntimeCall;"
1103 #define EXCEPTION_HANDLERS "[Lcom/oracle/graal/api/meta/ExceptionHandler;"
1104 #define REFLECT_METHOD "Ljava/lang/reflect/Method;"
1105 #define REFLECT_CONSTRUCTOR "Ljava/lang/reflect/Constructor;"
1106 #define REFLECT_FIELD "Ljava/lang/reflect/Field;"
1107 #define STRING "Ljava/lang/String;"
1108 #define OBJECT "Ljava/lang/Object;"
1109 #define CLASS "Ljava/lang/Class;"
1110 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1111 #define HS_RESOLVED_TYPE "Lcom/oracle/graal/hotspot/meta/HotSpotResolvedObjectType;"
1112 #define HS_RESOLVED_JAVA_TYPE "Lcom/oracle/graal/hotspot/meta/HotSpotResolvedJavaType;"
1113 #define HS_RESOLVED_METHOD "Lcom/oracle/graal/hotspot/meta/HotSpotResolvedJavaMethod;"
1114 #define HS_RESOLVED_FIELD "Lcom/oracle/graal/hotspot/meta/HotSpotResolvedJavaField;"
1115 #define HS_COMP_RESULT "Lcom/oracle/graal/hotspot/HotSpotCompilationResult;"
1116 #define HS_CONFIG "Lcom/oracle/graal/hotspot/HotSpotVMConfig;"
1117 #define HS_METHOD "Lcom/oracle/graal/hotspot/meta/HotSpotMethod;"
1118 #define HS_INSTALLED_CODE "Lcom/oracle/graal/hotspot/meta/HotSpotInstalledCode;"
1119 #define METHOD_DATA "Lcom/oracle/graal/hotspot/meta/HotSpotMethodData;"
1120 #define METASPACE_METHOD "J"
1121 #define METASPACE_METHOD_DATA "J"
1122 #define NMETHOD "J"
1123
1124 JNINativeMethod CompilerToVM_methods[] = {
1125 {CC"initializeBytecode", CC"("METASPACE_METHOD"[B)[B", FN_PTR(initializeBytecode)},
1126 {CC"getSignature", CC"("METASPACE_METHOD")"STRING, FN_PTR(getSignature)},
1127 {CC"initializeExceptionHandlers", CC"("METASPACE_METHOD EXCEPTION_HANDLERS")"EXCEPTION_HANDLERS, FN_PTR(initializeExceptionHandlers)},
1128 {CC"hasBalancedMonitors", CC"("METASPACE_METHOD")Z", FN_PTR(hasBalancedMonitors)},
1129 {CC"getUniqueConcreteMethod", CC"("METASPACE_METHOD"["HS_RESOLVED_TYPE")"METASPACE_METHOD, FN_PTR(getUniqueConcreteMethod)},
1130 {CC"getUniqueImplementor", CC"("HS_RESOLVED_TYPE")"RESOLVED_TYPE, FN_PTR(getUniqueImplementor)},
1131 {CC"getStackTraceElement", CC"("METASPACE_METHOD"I)"STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1132 {CC"initializeMethod", CC"("METASPACE_METHOD HS_RESOLVED_METHOD")V", FN_PTR(initializeMethod)},
1133 {CC"initializeMethodData", CC"("METASPACE_METHOD_DATA METHOD_DATA")V", FN_PTR(initializeMethodData)},
1134 {CC"isMethodCompilable", CC"("METASPACE_METHOD")Z", FN_PTR(isMethodCompilable)},
1135 {CC"getInvocationCount", CC"("METASPACE_METHOD")I", FN_PTR(getInvocationCount)},
1136 {CC"getCompiledCodeSize", CC"("METASPACE_METHOD")I", FN_PTR(getCompiledCodeSize)},
1137 {CC"getVtableEntryOffset", CC"("METASPACE_METHOD")I", FN_PTR(getVtableEntryOffset)},
1138 {CC"constantPoolLength", CC"("HS_RESOLVED_TYPE")I", FN_PTR(constantPoolLength)},
1139 {CC"lookupType", CC"("STRING HS_RESOLVED_TYPE"Z)"TYPE, FN_PTR(lookupType)},
1140 {CC"lookupConstantInPool", CC"("HS_RESOLVED_TYPE"I)"OBJECT, FN_PTR(lookupConstantInPool)},
1141 {CC"lookupAppendixInPool", CC"("HS_RESOLVED_TYPE"IB)"OBJECT, FN_PTR(lookupAppendixInPool)},
1142 {CC"lookupMethodInPool", CC"("HS_RESOLVED_TYPE"IB)"METHOD, FN_PTR(lookupMethodInPool)},
1143 {CC"lookupTypeInPool", CC"("HS_RESOLVED_TYPE"I)"TYPE, FN_PTR(lookupTypeInPool)},
1144 {CC"lookupReferencedTypeInPool", CC"("HS_RESOLVED_TYPE"IB)V", FN_PTR(lookupReferencedTypeInPool)},
1145 {CC"lookupFieldInPool", CC"("HS_RESOLVED_TYPE"IB)"FIELD, FN_PTR(lookupFieldInPool)},
1146 {CC"resolveMethod", CC"("HS_RESOLVED_TYPE STRING STRING")"METHOD, FN_PTR(resolveMethod)},
1147 {CC"getInstanceFields", CC"("HS_RESOLVED_TYPE")["HS_RESOLVED_FIELD, FN_PTR(getInstanceFields)},
1148 {CC"isTypeInitialized", CC"("HS_RESOLVED_TYPE")Z", FN_PTR(isTypeInitialized)},
1149 {CC"initializeType", CC"("HS_RESOLVED_TYPE")V", FN_PTR(initializeType)},
1150 {CC"getMaxCallTargetOffset", CC"(J)J", FN_PTR(getMaxCallTargetOffset)},
1151 {CC"getResolvedType", CC"("CLASS")"RESOLVED_TYPE, FN_PTR(getResolvedType)},
1152 {CC"getMetaspaceMethod", CC"("REFLECT_METHOD"["HS_RESOLVED_TYPE")"METASPACE_METHOD, FN_PTR(getMetaspaceMethod)},
1153 {CC"getMetaspaceConstructor", CC"("REFLECT_CONSTRUCTOR"["HS_RESOLVED_TYPE")"METASPACE_METHOD, FN_PTR(getMetaspaceConstructor)},
1154 {CC"getJavaField", CC"("REFLECT_FIELD")"HS_RESOLVED_FIELD, FN_PTR(getJavaField)},
1155 {CC"initializeConfiguration", CC"("HS_CONFIG")V", FN_PTR(initializeConfiguration)},
1156 {CC"installCode0", CC"("HS_COMP_RESULT HS_INSTALLED_CODE"[Z)I", FN_PTR(installCode0)},
1157 {CC"getCode", CC"(J)[B", FN_PTR(getCode)},
1158 {CC"disassembleNMethod", CC"(J)"STRING, FN_PTR(disassembleNMethod)},
1159 {CC"executeCompiledMethod", CC"("METASPACE_METHOD NMETHOD OBJECT OBJECT OBJECT")"OBJECT, FN_PTR(executeCompiledMethod)},
1160 {CC"executeCompiledMethodVarargs", CC"("METASPACE_METHOD NMETHOD "["OBJECT")"OBJECT, FN_PTR(executeCompiledMethodVarargs)},
1161 {CC"getDeoptedLeafGraphIds", CC"()[J", FN_PTR(getDeoptedLeafGraphIds)},
1162 {CC"getLineNumberTable", CC"("HS_RESOLVED_METHOD")[J", FN_PTR(getLineNumberTable)},
1163 {CC"getLocalVariableTable", CC"("HS_RESOLVED_METHOD")["LOCAL, FN_PTR(getLocalVariableTable)},
1164 {CC"getFileName", CC"("HS_RESOLVED_JAVA_TYPE")"STRING, FN_PTR(getFileName)},
1165 {CC"clearQueuedForCompilation", CC"("HS_RESOLVED_METHOD")V", FN_PTR(clearQueuedForCompilation)},
1166 {CC"reprofile", CC"("METASPACE_METHOD")V", FN_PTR(reprofile)},
1167 };
1168
1169 int CompilerToVM_methods_count() {
1170 return sizeof(CompilerToVM_methods) / sizeof(JNINativeMethod);
1171 }
1172