1 /*
2 * Copyright (c) 2011, 2018, 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 "ci/ciUtilities.inline.hpp"
26 #include "classfile/javaClasses.inline.hpp"
27 #include "code/scopeDesc.hpp"
28 #include "interpreter/linkResolver.hpp"
29 #include "memory/oopFactory.hpp"
30 #include "oops/cpCache.inline.hpp"
31 #include "oops/generateOopMap.hpp"
32 #include "oops/method.inline.hpp"
33 #include "oops/objArrayOop.inline.hpp"
34 #include "oops/typeArrayOop.inline.hpp"
35 #include "compiler/compileBroker.hpp"
36 #include "compiler/disassembler.hpp"
37 #include "jvmci/jvmciCompilerToVM.hpp"
38 #include "jvmci/jvmciCodeInstaller.hpp"
39 #include "jvmci/jvmciRuntime.hpp"
40 #include "runtime/fieldDescriptor.inline.hpp"
41 #include "runtime/flags/jvmFlag.hpp"
42 #include "runtime/frame.inline.hpp"
43 #include "runtime/interfaceSupport.inline.hpp"
44 #include "runtime/jniHandles.inline.hpp"
45 #include "runtime/timerTrace.hpp"
46 #include "runtime/vframe_hp.hpp"
47
48 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
49 _thread = thread;
50 _klass = klass;
51 if (klass != NULL) {
52 _holder = Handle(_thread, klass->klass_holder());
53 }
54 }
55
56 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
57 _klass = klass;
58 if (klass != NULL) {
59 _holder = Handle(_thread, klass->klass_holder());
60 }
61 return *this;
62 }
63
64 void JNIHandleMark::push_jni_handle_block() {
65 JavaThread* thread = JavaThread::current();
66 if (thread != NULL) {
67 // Allocate a new block for JNI handles.
68 // Inlined code from jni_PushLocalFrame()
69 JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles();
70 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
71 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
72 compile_handles->set_pop_frame_link(java_handles);
73 thread->set_active_handles(compile_handles);
74 }
75 }
76
77 void JNIHandleMark::pop_jni_handle_block() {
78 JavaThread* thread = JavaThread::current();
79 if (thread != NULL) {
80 // Release our JNI handle block
81 JNIHandleBlock* compile_handles = thread->active_handles();
82 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
83 thread->set_active_handles(java_handles);
84 compile_handles->set_pop_frame_link(NULL);
85 JNIHandleBlock::release_block(compile_handles, thread); // may block
86 }
87 }
88
89 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
90 #define C2V_VMENTRY(result_type, name, signature) \
91 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
92 TRACE_jvmci_1("CompilerToVM::" #name); \
93 TRACE_CALL(result_type, jvmci_ ## name signature) \
94 JVMCI_VM_ENTRY_MARK; \
95
96 #define C2V_END }
97
98 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
99 if (method() != NULL) {
100 JavaValue result(T_OBJECT);
101 JavaCallArguments args;
102 args.push_long((jlong) (address) method());
103 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
104
105 return (oop)result.get_jobject();
106 }
107 return NULL;
108 }
109
110 oop CompilerToVM::get_jvmci_type(JVMCIKlassHandle& klass, TRAPS) {
111 if (!klass.is_null()) {
112 JavaValue result(T_OBJECT);
113 JavaCallArguments args;
114 args.push_oop(Handle(THREAD, klass->java_mirror()));
115 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
116
117 return (oop)result.get_jobject();
118 }
119 return NULL;
120 }
121
122 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
123 assert(_index < _args->length(), "out of bounds");
124 oop arg=((objArrayOop) (_args))->obj_at(_index++);
125 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
126 return Handle(Thread::current(), arg);
127 }
128
129 jobjectArray readConfiguration0(JNIEnv *env, TRAPS);
130
131 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
132 jobjectArray config = readConfiguration0(env, CHECK_NULL);
133 return config;
134 C2V_END
135
136 C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
137 #define RETURN_BOXED_LONG(value) oop box; jvalue p; p.j = (jlong) (value); box = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
138 #define RETURN_BOXED_DOUBLE(value) oop box; jvalue p; p.d = (jdouble) (value); box = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
139 Handle name(THREAD, JNIHandles::resolve(name_handle));
140 if (name.is_null()) {
141 THROW_0(vmSymbols::java_lang_NullPointerException());
142 }
143 ResourceMark rm;
144 const char* cstring = java_lang_String::as_utf8_string(name());
145 JVMFlag* flag = JVMFlag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
146 if (flag == NULL) {
147 return c2vm;
148 }
149 if (flag->is_bool()) {
150 jvalue prim;
151 prim.z = flag->get_bool();
152 oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
153 return JNIHandles::make_local(THREAD, box);
154 } else if (flag->is_ccstr()) {
155 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
156 return JNIHandles::make_local(THREAD, value());
157 } else if (flag->is_intx()) {
158 RETURN_BOXED_LONG(flag->get_intx());
159 } else if (flag->is_int()) {
160 RETURN_BOXED_LONG(flag->get_int());
161 } else if (flag->is_uint()) {
162 RETURN_BOXED_LONG(flag->get_uint());
163 } else if (flag->is_uint64_t()) {
164 RETURN_BOXED_LONG(flag->get_uint64_t());
165 } else if (flag->is_size_t()) {
166 RETURN_BOXED_LONG(flag->get_size_t());
167 } else if (flag->is_uintx()) {
168 RETURN_BOXED_LONG(flag->get_uintx());
169 } else if (flag->is_double()) {
170 RETURN_BOXED_DOUBLE(flag->get_double());
171 } else {
172 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
173 }
174 #undef RETURN_BOXED_LONG
175 #undef RETURN_BOXED_DOUBLE
176 C2V_END
177
178 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
179 methodHandle method = CompilerToVM::asMethod(jvmci_method);
180 ResourceMark rm;
181
182 int code_size = method->code_size();
183 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
184
185 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
186 // iterate over all bytecodes and replace non-Java bytecodes
187
188 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
189 Bytecodes::Code code = s.code();
190 Bytecodes::Code raw_code = s.raw_code();
191 int bci = s.bci();
192 int len = s.instruction_size();
193
194 // Restore original byte code.
195 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
196 if (len > 1) {
197 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
198 }
199
200 if (len > 1) {
201 // Restore the big-endian constant pool indexes.
202 // Cf. Rewriter::scan_method
203 switch (code) {
204 case Bytecodes::_getstatic:
205 case Bytecodes::_putstatic:
206 case Bytecodes::_getfield:
207 case Bytecodes::_putfield:
208 case Bytecodes::_invokevirtual:
209 case Bytecodes::_invokespecial:
210 case Bytecodes::_invokestatic:
211 case Bytecodes::_invokeinterface:
212 case Bytecodes::_invokehandle: {
213 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
214 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
215 break;
216 }
217
218 case Bytecodes::_invokedynamic: {
219 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
220 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
221 break;
222 }
223
224 default:
225 break;
226 }
227
228 // Not all ldc byte code are rewritten.
229 switch (raw_code) {
230 case Bytecodes::_fast_aldc: {
231 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
232 int cp_index = method->constants()->object_to_cp_index(cpc_index);
233 assert(cp_index < method->constants()->length(), "sanity check");
234 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
235 break;
236 }
237
238 case Bytecodes::_fast_aldc_w: {
239 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
240 int cp_index = method->constants()->object_to_cp_index(cpc_index);
241 assert(cp_index < method->constants()->length(), "sanity check");
242 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
243 break;
244 }
245
246 default:
247 break;
248 }
249 }
250 }
251
252 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
253 C2V_END
254
255 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
256 ResourceMark rm;
257 methodHandle method = CompilerToVM::asMethod(jvmci_method);
258 return method->exception_table_length();
259 C2V_END
260
261 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
262 ResourceMark rm;
263 methodHandle method = CompilerToVM::asMethod(jvmci_method);
264 if (method->exception_table_length() == 0) {
265 return 0L;
266 }
267 return (jlong) (address) method->exception_table_start();
268 C2V_END
269
270 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
271 oop executable = JNIHandles::resolve(executable_handle);
272 oop mirror = NULL;
273 int slot = 0;
274
275 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
276 mirror = java_lang_reflect_Constructor::clazz(executable);
277 slot = java_lang_reflect_Constructor::slot(executable);
278 } else {
279 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
280 mirror = java_lang_reflect_Method::clazz(executable);
281 slot = java_lang_reflect_Method::slot(executable);
282 }
283 Klass* holder = java_lang_Class::as_Klass(mirror);
284 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
285 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
286 return JNIHandles::make_local(THREAD, result);
287 }
288
289 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
290 methodHandle method;
291 oop base_object = JNIHandles::resolve(base);
292 if (base_object == NULL) {
293 method = *((Method**)(offset));
294 } else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) {
295 method = (Method*) (intptr_t) base_object->long_field(offset);
296 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
297 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
298 } else {
299 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
300 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
301 }
302 assert (method.is_null() || method->is_method(), "invalid read");
303 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
304 return JNIHandles::make_local(THREAD, result);
305 }
306
307 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
308 constantPoolHandle cp;
309 oop object = JNIHandles::resolve(object_handle);
310 if (object == NULL) {
311 THROW_0(vmSymbols::java_lang_NullPointerException());
312 }
313 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
314 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
315 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
316 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
317 } else {
318 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
319 err_msg("Unexpected type: %s", object->klass()->external_name()));
320 }
321 assert(!cp.is_null(), "npe");
322 JavaValue method_result(T_OBJECT);
323 JavaCallArguments args;
324 args.push_long((jlong) (address) cp());
325 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
326 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
327 }
328
329 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
330 JVMCIKlassHandle klass(THREAD);
331 oop base_object = JNIHandles::resolve(base);
332 jlong base_address = 0;
333 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
334 klass = base_object->klass();
335 } else if (!compressed) {
336 if (base_object != NULL) {
337 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
338 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
339 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
340 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
341 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
342 base_address = (jlong) CompilerToVM::asKlass(base_object);
343 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
344 base_address = (jlong) (address) base_object;
345 } else {
346 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
347 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
348 }
349 }
350 klass = *((Klass**) (intptr_t) (base_address + offset));
351 } else {
352 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
353 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
354 base_object != NULL ? base_object->klass()->external_name() : "null",
355 offset, compressed ? "true" : "false"));
356 }
357 assert (klass == NULL || klass->is_klass(), "invalid read");
358 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
359 return JNIHandles::make_local(THREAD, result);
360 }
361
362 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
363 ResourceMark rm;
364 methodHandle method = CompilerToVM::asMethod(jvmci_method);
365 Klass* holder = CompilerToVM::asKlass(jvmci_type);
366 if (holder->is_interface()) {
367 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
368 }
369
370 methodHandle ucm;
371 {
372 MutexLocker locker(Compile_lock);
373 ucm = Dependencies::find_unique_concrete_method(holder, method());
374 }
375 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
376 return JNIHandles::make_local(THREAD, result);
377 C2V_END
378
379 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
380 Klass* klass = CompilerToVM::asKlass(jvmci_type);
381 if (!klass->is_interface()) {
382 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
383 err_msg("Expected interface type, got %s", klass->external_name()));
384 }
385 InstanceKlass* iklass = InstanceKlass::cast(klass);
386 JVMCIKlassHandle handle(THREAD);
387 {
388 // Need Compile_lock around implementor()
389 MutexLocker locker(Compile_lock);
390 handle = iklass->implementor();
391 }
392 oop implementor = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
393 return JNIHandles::make_local(THREAD, implementor);
394 C2V_END
395
396 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
397 methodHandle method = CompilerToVM::asMethod(jvmci_method);
398 return method->is_ignored_by_security_stack_walk();
399 C2V_END
400
401 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
402 methodHandle method = CompilerToVM::asMethod(jvmci_method);
403 constantPoolHandle cp = method->constMethod()->constants();
404 assert(!cp.is_null(), "npe");
405 // don't inline method when constant pool contains a CONSTANT_Dynamic
406 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
407 C2V_END
408
409 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
410 methodHandle method = CompilerToVM::asMethod(jvmci_method);
411 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
412 C2V_END
413
414 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
415 methodHandle method = CompilerToVM::asMethod(jvmci_method);
416 return CompilerOracle::should_inline(method) || method->force_inline();
417 C2V_END
418
419 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
420 ResourceMark rm;
421 Handle name(THREAD, JNIHandles::resolve(jname));
422 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0);
423 if (java_lang_String::length(name()) <= 1) {
424 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
425 }
426
427 JVMCIKlassHandle resolved_klass(THREAD);
428 if (JNIHandles::resolve(accessing_class) == NULL) {
429 THROW_0(vmSymbols::java_lang_NullPointerException());
430 }
431 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
432 Handle class_loader(THREAD, accessing_klass->class_loader());
433 Handle protection_domain(THREAD, accessing_klass->protection_domain());
434
435 if (resolve) {
436 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
437 } else {
438 if (class_name->char_at(0) == 'L' &&
439 class_name->char_at(class_name->utf8_length()-1) == ';') {
440 // This is a name from a signature. Strip off the trimmings.
441 // Call recursive to keep scope of strippedsym.
442 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
443 class_name->utf8_length()-2,
444 CHECK_0);
445 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
446 } else if (FieldType::is_array(class_name)) {
447 FieldArrayInfo fd;
448 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
449 // of this call
450 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
451 if (t == T_OBJECT) {
452 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
453 class_name->utf8_length()-2-fd.dimension(),
454 CHECK_0);
455 // naked oop "k" is OK here -- we assign back into it
456 resolved_klass = SystemDictionary::find(strippedsym,
457 class_loader,
458 protection_domain,
459 CHECK_0);
460 if (!resolved_klass.is_null()) {
461 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
462 }
463 } else {
464 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0);
465 }
466 }
467 }
468 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
469 return JNIHandles::make_local(THREAD, result);
470 C2V_END
471
472 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
473 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
474 oop result = cp->resolve_constant_at(index, CHECK_NULL);
475 return JNIHandles::make_local(THREAD, result);
476 C2V_END
477
478 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
479 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
480 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
481 return JNIHandles::make_local(THREAD, result);
482 C2V_END
483
484 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
485 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
486 return cp->name_and_type_ref_index_at(index);
487 C2V_END
488
489 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
490 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
491 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
492 return JNIHandles::make_local(THREAD, sym());
493 C2V_END
494
495 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
496 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
497 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
498 return JNIHandles::make_local(THREAD, sym());
499 C2V_END
500
501 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
502 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
503 return cp->klass_ref_index_at(index);
504 C2V_END
505
506 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
507 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
508 Klass* klass = cp->klass_at(index, CHECK_NULL);
509 JVMCIKlassHandle resolved_klass(THREAD, klass);
510 if (resolved_klass->is_instance_klass()) {
511 InstanceKlass::cast(resolved_klass())->link_class_or_fail(THREAD);
512 }
513 oop jvmci_type = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
514 return JNIHandles::make_local(THREAD, jvmci_type);
515 C2V_END
516
517 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
518 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
519 Klass* loading_klass = cp->pool_holder();
520 bool is_accessible = false;
521 JVMCIKlassHandle klass(THREAD, JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass));
522 Symbol* symbol = NULL;
523 if (klass == NULL) {
524 symbol = cp->klass_name_at(index);
525 }
526 oop result_oop;
527 if (!klass.is_null()) {
528 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
529 } else {
530 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
531 result_oop = result();
532 }
533 return JNIHandles::make_local(THREAD, result_oop);
534 C2V_END
535
536 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
537 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
538 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
539 return JNIHandles::make_local(THREAD, appendix_oop);
540 C2V_END
541
542 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
543 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
544 InstanceKlass* pool_holder = cp->pool_holder();
545 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
546 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
547 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
548 return JNIHandles::make_local(THREAD, result);
549 C2V_END
550
551 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
552 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
553 return cp->remap_instruction_operand_from_cache(index);
554 C2V_END
555
556 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
557 ResourceMark rm;
558 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
559 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
560 fieldDescriptor fd;
561 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
562 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
563 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
564 if (info == NULL || info->length() != 3) {
565 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
566 }
567 info->int_at_put(0, fd.access_flags().as_int());
568 info->int_at_put(1, fd.offset());
569 info->int_at_put(2, fd.index());
570 JVMCIKlassHandle handle(THREAD, fd.field_holder());
571 oop field_holder = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
572 return JNIHandles::make_local(THREAD, field_holder);
573 C2V_END
574
575 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
576 ResourceMark rm;
577 Klass* klass = CompilerToVM::asKlass(jvmci_type);
578 Method* method = CompilerToVM::asMethod(jvmci_method);
579 if (klass->is_interface()) {
580 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
581 }
582 if (!method->method_holder()->is_interface()) {
583 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Method %s is not held by an interface, this case should be handled in Java code", method->name_and_sig_as_C_string()));
584 }
585 if (!InstanceKlass::cast(klass)->is_linked()) {
586 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
587 }
588 return LinkResolver::vtable_index_of_interface_method(klass, method);
589 C2V_END
590
591 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
592 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
593 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
594 methodHandle method = CompilerToVM::asMethod(jvmci_method);
595
596 Klass* resolved = method->method_holder();
597 Symbol* h_name = method->name();
598 Symbol* h_signature = method->signature();
599
600 if (MethodHandles::is_signature_polymorphic_method(method())) {
601 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
602 return NULL;
603 }
604
605 if (method->name() == vmSymbols::clone_name() &&
606 resolved == SystemDictionary::Object_klass() &&
607 recv_klass->is_array_klass()) {
608 // Resolution of the clone method on arrays always returns Object.clone even though that method
609 // has protected access. There's some trickery in the access checking to make this all work out
610 // so it's necessary to pass in the array class as the resolved class to properly trigger this.
611 // Otherwise it's impossible to resolve the array clone methods through JVMCI.
612 resolved = recv_klass;
613 }
614
615 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
616 methodHandle m;
617 // Only do exact lookup if receiver klass has been linked. Otherwise,
618 // the vtable has not been setup, and the LinkResolver will fail.
619 if (recv_klass->is_array_klass() ||
620 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
621 if (resolved->is_interface()) {
622 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
623 } else {
624 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
625 }
626 }
627
628 if (m.is_null()) {
629 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
630 return NULL;
631 }
632
633 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
634 return JNIHandles::make_local(THREAD, result);
635 C2V_END
636
637 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
638 Klass* klass = CompilerToVM::asKlass(jvmci_type);
639 assert(klass != NULL, "method must not be called for primitive types");
640 return Dependencies::find_finalizable_subclass(klass) != NULL;
641 C2V_END
642
643 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
644 Klass* klass = CompilerToVM::asKlass(jvmci_type);
645 if (!klass->is_instance_klass()) {
646 return NULL;
647 }
648 InstanceKlass* iklass = InstanceKlass::cast(klass);
649 oop result = CompilerToVM::get_jvmci_method(iklass->class_initializer(), CHECK_NULL);
650 return JNIHandles::make_local(THREAD, result);
651 C2V_END
652
653 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
654 address target_addr = (address) addr;
655 if (target_addr != 0x0) {
656 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
657 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
658 return MAX2(ABS(off_low), ABS(off_high));
659 }
660 return -1;
661 C2V_END
662
663 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv *, jobject, jobject jvmci_method))
664 methodHandle method = CompilerToVM::asMethod(jvmci_method);
665 method->set_not_c1_compilable();
666 method->set_not_c2_compilable();
667 method->set_dont_inline(true);
668 C2V_END
669
670 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
671 ResourceMark rm;
672 HandleMark hm;
673 JNIHandleMark jni_hm;
674
675 Handle target_handle(THREAD, JNIHandles::resolve(target));
676 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
677 CodeBlob* cb = NULL;
678 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
679 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));
680
681 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
682
683 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
684 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
685 CodeInstaller installer(is_immutable_PIC);
686 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
687
688 if (PrintCodeCacheOnCompilation) {
689 stringStream s;
690 // Dump code cache into a buffer before locking the tty,
691 {
692 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
693 CodeCache::print_summary(&s, false);
694 }
695 ttyLocker ttyl;
696 tty->print_raw_cr(s.as_string());
697 }
698
699 if (result != JVMCIEnv::ok) {
700 assert(cb == NULL, "should be");
701 } else {
702 if (installed_code_handle.not_null()) {
703 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
704 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
705 {
706 // Ensure that all updates to the InstalledCode fields are consistent.
707 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
708 InstalledCode::set_address(installed_code_handle, (jlong) cb);
709 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
710 if (cb->is_nmethod()) {
711 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
712 } else {
713 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
714 }
715 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
716 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
717 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
718 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
719 }
720 }
721 }
722 }
723 return result;
724 C2V_END
725
726 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
727 #if INCLUDE_AOT
728 ResourceMark rm;
729 HandleMark hm;
730
731 Handle target_handle(THREAD, JNIHandles::resolve(target));
732 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
733 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));
734
735 CodeMetadata code_metadata;
736 CodeBlob *cb = NULL;
737 CodeInstaller installer(true /* immutable PIC compilation */);
738
739 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
740 if (result != JVMCIEnv::ok) {
741 return result;
742 }
743
744 if (code_metadata.get_nr_pc_desc() > 0) {
745 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
746 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
747 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
748 }
749
750 if (code_metadata.get_scopes_size() > 0) {
751 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
752 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
753 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
754 }
755
756 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
757 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
758 if (reloc_buffer->size() > 0) {
759 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
760 }
761 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
762
763 const OopMapSet* oopMapSet = installer.oopMapSet();
764 {
765 ResourceMark mark;
766 ImmutableOopMapBuilder builder(oopMapSet);
767 int oopmap_size = builder.heap_size();
768 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
769 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
770 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
771 }
772
773 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
774
775 int nr_meta_refs = recorder->nr_meta_refs();
776 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_refs, CHECK_(JVMCIEnv::cache_full));
777 objArrayHandle metadataArrayHandle(THREAD, metadataArray);
778 for (int i = 0; i < nr_meta_refs; ++i) {
779 jobject element = recorder->meta_element(i);
780 if (element == NULL) {
781 return JVMCIEnv::cache_full;
782 }
783 metadataArrayHandle->obj_at_put(i, JNIHandles::resolve(element));
784 }
785 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
786
787 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
788 int table_size = handler->size_in_bytes();
789 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));
790
791 if (table_size > 0) {
792 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
793 }
794 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
795
796 return result;
797 #else
798 THROW_MSG_0(vmSymbols::java_lang_InternalError(), "unimplemented");
799 #endif
800 C2V_END
801
802 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
803 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
804 CompilerStatistics* stats = compiler->stats();
805 stats->_standard.reset();
806 stats->_osr.reset();
807 C2V_END
808
809 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
810 ResourceMark rm;
811 HandleMark hm;
812
813 if (installedCode == NULL) {
814 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
815 }
816
817 jlong codeBlob = InstalledCode::address(installedCode);
818 if (codeBlob == 0L) {
819 return NULL;
820 }
821
822 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
823 if (cb == NULL) {
824 return NULL;
825 }
826
827 // We don't want the stringStream buffer to resize during disassembly as it
828 // uses scoped resource memory. If a nested function called during disassembly uses
829 // a ResourceMark and the buffer expands within the scope of the mark,
830 // the buffer becomes garbage when that scope is exited. Experience shows that
831 // the disassembled code is typically about 10x the code size so a fixed buffer
832 // sized to 20x code size plus a fixed amount for header info should be sufficient.
833 int bufferSize = cb->code_size() * 20 + 1024;
834 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
835 stringStream st(buffer, bufferSize);
836 if (cb->is_nmethod()) {
837 nmethod* nm = (nmethod*) cb;
838 if (!nm->is_alive()) {
839 return NULL;
840 }
841 }
842 Disassembler::decode(cb, &st);
843 if (st.size() <= 0) {
844 return NULL;
845 }
846
847 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
848 return JNIHandles::make_local(THREAD, result());
849 C2V_END
850
851 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
852 ResourceMark rm;
853 HandleMark hm;
854
855 methodHandle method = CompilerToVM::asMethod(jvmci_method);
856 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
857 return JNIHandles::make_local(THREAD, element);
858 C2V_END
859
860 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
861 ResourceMark rm;
862 HandleMark hm;
863
864 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
865 if (nmethodValue == 0L) {
866 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
867 }
868 nmethod* nm = (nmethod*) (address) nmethodValue;
869 methodHandle mh = nm->method();
870 Symbol* signature = mh->signature();
871 JavaCallArguments jca(mh->size_of_parameters());
872
873 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
874 JavaValue result(jap.get_ret_type());
875 jca.set_alternative_target(nm);
876 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
877
878 if (jap.get_ret_type() == T_VOID) {
879 return NULL;
880 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
881 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
882 } else {
883 jvalue *value = (jvalue *) result.get_value_addr();
884 // Narrow the value down if required (Important on big endian machines)
885 switch (jap.get_ret_type()) {
886 case T_BOOLEAN:
887 value->z = (jboolean) value->i;
888 break;
889 case T_BYTE:
890 value->b = (jbyte) value->i;
891 break;
892 case T_CHAR:
893 value->c = (jchar) value->i;
894 break;
895 case T_SHORT:
896 value->s = (jshort) value->i;
897 break;
898 default:
899 break;
900 }
901 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
902 return JNIHandles::make_local(THREAD, o);
903 }
904 C2V_END
905
906 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
907 Method* method = CompilerToVM::asMethod(jvmci_method);
908 if (!method->has_linenumber_table()) {
909 return NULL;
910 }
911 u2 num_entries = 0;
912 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
913 while (streamForSize.read_pair()) {
914 num_entries++;
915 }
916
917 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
918 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
919
920 int i = 0;
921 jlong value;
922 while (stream.read_pair()) {
923 value = ((long) stream.bci());
924 result->long_at_put(i, value);
925 value = ((long) stream.line());
926 result->long_at_put(i + 1, value);
927 i += 2;
928 }
929
930 return (jlongArray) JNIHandles::make_local(THREAD, result);
931 C2V_END
932
933 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
934 ResourceMark rm;
935 Method* method = CompilerToVM::asMethod(jvmci_method);
936 if (!method->has_localvariable_table()) {
937 return 0;
938 }
939 return (jlong) (address) method->localvariable_table_start();
940 C2V_END
941
942 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
943 ResourceMark rm;
944 Method* method = CompilerToVM::asMethod(jvmci_method);
945 return method->localvariable_table_length();
946 C2V_END
947
948 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
949 Method* method = CompilerToVM::asMethod(jvmci_method);
950 MethodCounters* mcs = method->method_counters();
951 if (mcs != NULL) {
952 mcs->clear_counters();
953 }
954 NOT_PRODUCT(method->set_compiled_invocation_count(0));
955
956 CompiledMethod* code = method->code();
957 if (code != NULL) {
958 code->make_not_entrant();
959 }
960
961 MethodData* method_data = method->method_data();
962 if (method_data == NULL) {
963 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
964 method_data = MethodData::allocate(loader_data, method, CHECK);
965 method->set_method_data(method_data);
966 } else {
967 method_data->initialize();
968 }
969 C2V_END
970
971
972 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
973 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
974 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
975 C2V_END
976
977 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
978 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
979 JavaThread::collect_counters(arrayOop);
980 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
981 C2V_END
982
983 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
984 HandleMark hm;
985 ResourceMark rm;
986 if (JNIHandles::resolve(jvmci_method) == NULL) {
987 THROW_0(vmSymbols::java_lang_NullPointerException());
988 }
989 Method* method = CompilerToVM::asMethod(jvmci_method);
990 if (entry_bci >= method->code_size() || entry_bci < -1) {
991 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
992 }
993 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
994 C2V_END
995
996
997 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
998 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
999 return mdo != NULL && mdo->is_mature();
1000 C2V_END
1001
1002 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1003 Method* method = CompilerToVM::asMethod(jvmci_method);
1004 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1005 C2V_END
1006
1007 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1008 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1009 return JNIHandles::make_local(THREAD, sym());
1010 C2V_END
1011
1012 bool matches(jobjectArray methods, Method* method) {
1013 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1014
1015 for (int i = 0; i < methods_oop->length(); i++) {
1016 oop resolved = methods_oop->obj_at(i);
1017 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1018 return true;
1019 }
1020 }
1021 return false;
1022 }
1023
1024 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
1025 CallInfo callinfo;
1026 Handle receiver = args->receiver();
1027 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
1028 LinkInfo link_info(spec_klass, name, signature);
1029 LinkResolver::resolve_interface_call(
1030 callinfo, receiver, recvrKlass, link_info, true, CHECK);
1031 methodHandle method = callinfo.selected_method();
1032 assert(method.not_null(), "should have thrown exception");
1033
1034 // Invoke the method
1035 JavaCalls::call(result, method, args, CHECK);
1036 }
1037
1038 C2V_VMENTRY(jobject, iterateFrames, (JNIEnv*, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
1039 ResourceMark rm;
1040
1041 if (!thread->has_last_Java_frame()) {
1042 return NULL;
1043 }
1044 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
1045 Handle frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1046 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1047
1048 StackFrameStream fst(thread);
1049
1050 jobjectArray methods = initial_methods;
1051
1052 int frame_number = 0;
1053 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1054
1055 while (true) {
1056 // look for the given method
1057 bool realloc_called = false;
1058 while (true) {
1059 StackValueCollection* locals = NULL;
1060 if (vf->is_compiled_frame()) {
1061 // compiled method frame
1062 compiledVFrame* cvf = compiledVFrame::cast(vf);
1063 if (methods == NULL || matches(methods, cvf->method())) {
1064 if (initialSkip > 0) {
1065 initialSkip--;
1066 } else {
1067 ScopeDesc* scope = cvf->scope();
1068 // native wrappers do not have a scope
1069 if (scope != NULL && scope->objects() != NULL) {
1070 GrowableArray<ScopeValue*>* objects;
1071 if (!realloc_called) {
1072 objects = scope->objects();
1073 } else {
1074 // some object might already have been re-allocated, only reallocate the non-allocated ones
1075 objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
1076 for (int i = 0; i < scope->objects()->length(); i++) {
1077 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
1078 if (sv->value().is_null()) {
1079 objects->append(sv);
1080 }
1081 }
1082 }
1083 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), objects, CHECK_NULL);
1084 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
1085 realloc_called = true;
1086
1087 GrowableArray<ScopeValue*>* local_values = scope->locals();
1088 assert(local_values != NULL, "NULL locals");
1089 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1090 typeArrayHandle array(THREAD, array_oop);
1091 for (int i = 0; i < local_values->length(); i++) {
1092 ScopeValue* value = local_values->at(i);
1093 if (value->is_object()) {
1094 array->bool_at_put(i, true);
1095 }
1096 }
1097 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, array());
1098 } else {
1099 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL);
1100 }
1101
1102 locals = cvf->locals();
1103 HotSpotStackFrameReference::set_bci(frame_reference, cvf->bci());
1104 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1105 HotSpotStackFrameReference::set_method(frame_reference, method);
1106 }
1107 }
1108 } else if (vf->is_interpreted_frame()) {
1109 // interpreted method frame
1110 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1111 if (methods == NULL || matches(methods, ivf->method())) {
1112 if (initialSkip > 0) {
1113 initialSkip--;
1114 } else {
1115 locals = ivf->locals();
1116 HotSpotStackFrameReference::set_bci(frame_reference, ivf->bci());
1117 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1118 HotSpotStackFrameReference::set_method(frame_reference, method);
1119 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL);
1120 }
1121 }
1122 }
1123
1124 // locals != NULL means that we found a matching frame and result is already partially initialized
1125 if (locals != NULL) {
1126 methods = match_methods;
1127 HotSpotStackFrameReference::set_compilerToVM(frame_reference, JNIHandles::resolve(compilerToVM));
1128 HotSpotStackFrameReference::set_stackPointer(frame_reference, (jlong) fst.current()->sp());
1129 HotSpotStackFrameReference::set_frameNumber(frame_reference, frame_number);
1130
1131 // initialize the locals array
1132 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1133 objArrayHandle array(THREAD, array_oop);
1134 for (int i = 0; i < locals->size(); i++) {
1135 StackValue* var = locals->at(i);
1136 if (var->type() == T_OBJECT) {
1137 array->obj_at_put(i, locals->at(i)->get_obj()());
1138 }
1139 }
1140 HotSpotStackFrameReference::set_locals(frame_reference, array());
1141 HotSpotStackFrameReference::set_objectsMaterialized(frame_reference, JNI_FALSE);
1142
1143 JavaValue result(T_OBJECT);
1144 JavaCallArguments args(visitor);
1145 args.push_oop(frame_reference);
1146 call_interface(&result, SystemDictionary::InspectedFrameVisitor_klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
1147 if (result.get_jobject() != NULL) {
1148 return JNIHandles::make_local(thread, (oop) result.get_jobject());
1149 }
1150 assert(initialSkip == 0, "There should be no match before initialSkip == 0");
1151 if (HotSpotStackFrameReference::objectsMaterialized(frame_reference) == JNI_TRUE) {
1152 // the frame has been deoptimized, we need to re-synchronize the frame and vframe
1153 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(frame_reference);
1154 fst = StackFrameStream(thread);
1155 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1156 fst.next();
1157 }
1158 if (fst.current()->sp() != stack_pointer) {
1159 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1160 }
1161 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1162 if (!vf->is_compiled_frame()) {
1163 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1164 }
1165 for (int i = 0; i < frame_number; i++) {
1166 if (vf->is_top()) {
1167 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
1168 }
1169 vf = vf->sender();
1170 assert(vf->is_compiled_frame(), "Wrong frame type");
1171 }
1172 }
1173 frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1174 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1175 }
1176
1177 if (vf->is_top()) {
1178 break;
1179 }
1180 frame_number++;
1181 vf = vf->sender();
1182 } // end of vframe loop
1183
1184 if (fst.is_done()) {
1185 break;
1186 }
1187 fst.next();
1188 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1189 frame_number = 0;
1190 } // end of frame loop
1191
1192 // the end was reached without finding a matching method
1193 return NULL;
1194 C2V_END
1195
1196 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1197 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1198 CallInfo callInfo;
1199 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1200 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1201 cp_cache_entry->set_dynamic_call(cp, callInfo);
1202 C2V_END
1203
1204 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1205 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1206 Klass* holder = cp->klass_ref_at(index, CHECK);
1207 Symbol* name = cp->name_ref_at(index);
1208 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1209 CallInfo callInfo;
1210 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1211 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1212 cp_cache_entry->set_method_handle(cp, callInfo);
1213 }
1214 C2V_END
1215
1216 C2V_VMENTRY(jint, isResolvedInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1217 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1218 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1219 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1220 // MethodHandle.invoke* --> LambdaForm?
1221 ResourceMark rm;
1222
1223 LinkInfo link_info(cp, index, CATCH);
1224
1225 Klass* resolved_klass = link_info.resolved_klass();
1226
1227 Symbol* name_sym = cp->name_ref_at(index);
1228
1229 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1230 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1231
1232 methodHandle adapter_method(cp_cache_entry->f1_as_method());
1233
1234 methodHandle resolved_method(adapter_method);
1235
1236 // Can we treat it as a regular invokevirtual?
1237 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1238 vmassert(!resolved_method->is_static(),"!");
1239 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1240 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1241 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1242 vmassert(cp_cache_entry->method_type_if_resolved(cp) == NULL, "!");
1243
1244 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1245 vmassert(m == resolved_method, "!!");
1246 return -1;
1247 }
1248
1249 return Bytecodes::_invokevirtual;
1250 }
1251 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1252 return Bytecodes::_invokedynamic;
1253 }
1254 return -1;
1255 C2V_END
1256
1257
1258 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1259 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
1260 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1261 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1262 holders->obj_at_put(0, mh());
1263 holders->obj_at_put(1, vh());
1264 return JNIHandles::make_local(THREAD, holders());
1265 C2V_END
1266
1267 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1268 //see compute_recording_non_safepoints in debugInfroRec.cpp
1269 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1270 return true;
1271 }
1272 return DebugNonSafepoints;
1273 C2V_END
1274
1275 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1276 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1277 ResourceMark rm;
1278
1279 if (hs_frame == NULL) {
1280 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1281 }
1282
1283 HotSpotStackFrameReference::klass()->initialize(CHECK);
1284
1285 // look for the given stack frame
1286 StackFrameStream fst(thread);
1287 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1288 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1289 fst.next();
1290 }
1291 if (fst.current()->sp() != stack_pointer) {
1292 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1293 }
1294
1295 if (invalidate) {
1296 if (!fst.current()->is_compiled_frame()) {
1297 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1298 }
1299 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1300 ((nmethod*) fst.current()->cb())->make_not_entrant();
1301 }
1302 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1303 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1304 StackFrameStream fstAfterDeopt(thread);
1305 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1306 fstAfterDeopt.next();
1307 }
1308 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1309 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1310 }
1311
1312 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1313 if (!vf->is_compiled_frame()) {
1314 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1315 }
1316
1317 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1318 while (true) {
1319 assert(vf->is_compiled_frame(), "Wrong frame type");
1320 virtualFrames->push(compiledVFrame::cast(vf));
1321 if (vf->is_top()) {
1322 break;
1323 }
1324 vf = vf->sender();
1325 }
1326
1327 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1328 if (last_frame_number >= virtualFrames->length()) {
1329 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1330 }
1331
1332 // Reallocate the non-escaping objects and restore their fields.
1333 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1334 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1335
1336 if (objects == NULL) {
1337 // no objects to materialize
1338 return;
1339 }
1340
1341 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, CHECK);
1342 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1343
1344 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1345 compiledVFrame* cvf = virtualFrames->at(frame_index);
1346
1347 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1348 StackValueCollection* locals = cvf->locals();
1349 if (locals != NULL) {
1350 for (int i2 = 0; i2 < locals->size(); i2++) {
1351 StackValue* var = locals->at(i2);
1352 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1353 jvalue val;
1354 val.l = (jobject) locals->at(i2)->get_obj()();
1355 cvf->update_local(T_OBJECT, i2, val);
1356 }
1357 }
1358 }
1359
1360 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1361 StackValueCollection* expressions = cvf->expressions();
1362 if (expressions != NULL) {
1363 for (int i2 = 0; i2 < expressions->size(); i2++) {
1364 StackValue* var = expressions->at(i2);
1365 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1366 jvalue val;
1367 val.l = (jobject) expressions->at(i2)->get_obj()();
1368 cvf->update_stack(T_OBJECT, i2, val);
1369 }
1370 }
1371 }
1372
1373 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1374 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1375 if (monitors != NULL) {
1376 for (int i2 = 0; i2 < monitors->length(); i2++) {
1377 cvf->update_monitor(i2, monitors->at(i2));
1378 }
1379 }
1380 }
1381
1382 // all locals are materialized by now
1383 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1384
1385 // update the locals array
1386 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame));
1387 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1388 for (int i = 0; i < locals->size(); i++) {
1389 StackValue* var = locals->at(i);
1390 if (var->type() == T_OBJECT) {
1391 array->obj_at_put(i, locals->at(i)->get_obj()());
1392 }
1393 }
1394 HotSpotStackFrameReference::set_objectsMaterialized(hs_frame, JNI_TRUE);
1395 C2V_END
1396
1397 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1398 if (bytes == NULL) {
1399 THROW(vmSymbols::java_lang_NullPointerException());
1400 }
1401 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1402
1403 // Check if offset and length are non negative.
1404 if (offset < 0 || length < 0) {
1405 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1406 }
1407 // Check if the range is valid.
1408 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1409 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1410 }
1411 while (length > 0) {
1412 jbyte* start = array->byte_at_addr(offset);
1413 tty->write((char*) start, MIN2(length, (jint)O_BUFLEN));
1414 length -= O_BUFLEN;
1415 offset += O_BUFLEN;
1416 }
1417 C2V_END
1418
1419 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1420 tty->flush();
1421 C2V_END
1422
1423 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1424 ResourceMark rm;
1425 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1426 ProfileData* profile_data = mdo->data_at(position);
1427 if (mdo->is_valid(profile_data)) {
1428 return profile_data->size_in_bytes();
1429 }
1430 DataLayout* data = mdo->extra_data_base();
1431 DataLayout* end = mdo->extra_data_limit();
1432 for (;; data = mdo->next_extra(data)) {
1433 assert(data < end, "moved past end of extra data");
1434 profile_data = data->data_in();
1435 if (mdo->dp_to_di(profile_data->dp()) == position) {
1436 return profile_data->size_in_bytes();
1437 }
1438 }
1439 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1440 C2V_END
1441
1442 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1443 #if INCLUDE_AOT
1444 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1445 if (k->is_instance_klass()) {
1446 return InstanceKlass::cast(k)->get_stored_fingerprint();
1447 } else {
1448 return 0;
1449 }
1450 #else
1451 THROW_MSG_0(vmSymbols::java_lang_InternalError(), "unimplemented");
1452 #endif
1453 C2V_END
1454
1455 C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type))
1456 InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type));
1457 InstanceKlass* host = k->unsafe_anonymous_host();
1458 JVMCIKlassHandle handle(THREAD, host);
1459 oop result = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
1460 return JNIHandles::make_local(THREAD, result);
1461 C2V_END
1462
1463 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1464 if (bytecode_frame_handle == NULL) {
1465 THROW_0(vmSymbols::java_lang_NullPointerException());
1466 }
1467
1468 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1469 oop bytecode_frame = top_bytecode_frame;
1470 int size = 0;
1471 int callee_parameters = 0;
1472 int callee_locals = 0;
1473 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1474 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1475
1476 while (bytecode_frame != NULL) {
1477 int locks = BytecodeFrame::numLocks(bytecode_frame);
1478 int temps = BytecodeFrame::numStack(bytecode_frame);
1479 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1480 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1481
1482 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1483 temps + callee_parameters,
1484 extra_args,
1485 locks,
1486 callee_parameters,
1487 callee_locals,
1488 is_top_frame);
1489 size += frame_size;
1490
1491 callee_parameters = method->size_of_parameters();
1492 callee_locals = method->max_locals();
1493 extra_args = 0;
1494 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1495 }
1496 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1497 C2V_END
1498
1499 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1500 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
1501 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1502 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1503 JavaValue result(T_VOID);
1504 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1505 } else {
1506 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1507 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1508 }
1509 C2V_END
1510
1511 C2V_VMENTRY(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
1512 methodHandle m = CompilerToVM::asMethod(jvmci_method);
1513 oop executable;
1514 if (m->is_initializer()) {
1515 if (m->is_static_initializer()) {
1516 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
1517 "Cannot create java.lang.reflect.Method for class initializer");
1518 }
1519 executable = Reflection::new_constructor(m, CHECK_NULL);
1520 } else {
1521 executable = Reflection::new_method(m, false, CHECK_NULL);
1522 }
1523 return JNIHandles::make_local(thread, executable);
1524 }
1525
1526 C2V_VMENTRY(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
1527 Klass* klass = CompilerToVM::asKlass(jvmci_type);
1528 if (!klass->is_instance_klass()) {
1529 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
1530 err_msg("Expected non-primitive type, got %s", klass->external_name()));
1531 }
1532 InstanceKlass* iklass = InstanceKlass::cast(klass);
1533 Array<u2>* fields = iklass->fields();
1534 if (index < 0 || index > fields->length()) {
1535 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
1536 err_msg("Field index %d out of bounds for %s", index, klass->external_name()));
1537 }
1538 fieldDescriptor fd(iklass, index);
1539 oop reflected = Reflection::new_field(&fd, CHECK_NULL);
1540 return JNIHandles::make_local(env, reflected);
1541 }
1542
1543 #define CC (char*) /*cast a literal from (const char*)*/
1544 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1545
1546 #define STRING "Ljava/lang/String;"
1547 #define OBJECT "Ljava/lang/Object;"
1548 #define CLASS "Ljava/lang/Class;"
1549 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1550 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1551 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1552 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1553 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1554 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
1555 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1556 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1557 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1558 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1559 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1560 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1561 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1562 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1563 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1564 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;"
1565 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;"
1566 #define METASPACE_METHOD_DATA "J"
1567
1568 JNINativeMethod CompilerToVM::methods[] = {
1569 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1570 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1571 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1572 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1573 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1574 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1575 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1576 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
1577 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1578 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1579 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1580 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1581 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1582 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1583 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1584 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1585 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1586 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1587 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1588 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1589 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1590 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1591 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1592 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1593 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1594 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1595 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
1596 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1597 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1598 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1599 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1600 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1601 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1602 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1603 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1604 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1605 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1606 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1607 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1608 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1609 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1610 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1611 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1612 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1613 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1614 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1615 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1616 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1617 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1618 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1619 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1620 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1621 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1622 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
1623 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1624 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1625 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1626 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1627 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1628 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1629 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
1630 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1631 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1632 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
1633 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)},
1634 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)},
1635 };
1636
1637 int CompilerToVM::methods_count() {
1638 return sizeof(methods) / sizeof(JNINativeMethod);
1639 }