1 /*
2 * Copyright (c) 2011, 2019, 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/handles.inline.hpp"
44 #include "runtime/interfaceSupport.inline.hpp"
45 #include "runtime/jniHandles.inline.hpp"
46 #include "runtime/timerTrace.hpp"
47 #include "runtime/vframe_hp.hpp"
48
49 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
50 _thread = thread;
51 _klass = klass;
52 if (klass != NULL) {
53 _holder = Handle(_thread, klass->klass_holder());
54 }
55 }
56
57 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
58 _klass = klass;
59 if (klass != NULL) {
60 _holder = Handle(_thread, klass->klass_holder());
61 }
62 return *this;
63 }
64
65 void JNIHandleMark::push_jni_handle_block() {
66 JavaThread* thread = JavaThread::current();
67 if (thread != NULL) {
68 // Allocate a new block for JNI handles.
69 // Inlined code from jni_PushLocalFrame()
70 JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles();
71 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
72 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
73 compile_handles->set_pop_frame_link(java_handles);
74 thread->set_active_handles(compile_handles);
75 }
76 }
77
78 void JNIHandleMark::pop_jni_handle_block() {
79 JavaThread* thread = JavaThread::current();
80 if (thread != NULL) {
81 // Release our JNI handle block
82 JNIHandleBlock* compile_handles = thread->active_handles();
83 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
84 thread->set_active_handles(java_handles);
85 compile_handles->set_pop_frame_link(NULL);
86 JNIHandleBlock::release_block(compile_handles, thread); // may block
87 }
88 }
89
90 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
91 #define C2V_VMENTRY(result_type, name, signature) \
92 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
93 TRACE_jvmci_1("CompilerToVM::" #name); \
94 TRACE_CALL(result_type, jvmci_ ## name signature) \
95 JVMCI_VM_ENTRY_MARK; \
96
97 #define C2V_END }
98
99 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
100 if (method() != NULL) {
101 JavaValue result(T_OBJECT);
102 JavaCallArguments args;
103 args.push_long((jlong) (address) method());
104 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
105
106 return (oop)result.get_jobject();
107 }
108 return NULL;
109 }
110
111 oop CompilerToVM::get_jvmci_type(JVMCIKlassHandle& klass, TRAPS) {
112 if (!klass.is_null()) {
113 JavaValue result(T_OBJECT);
114 JavaCallArguments args;
115 args.push_oop(Handle(THREAD, klass->java_mirror()));
116 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
117
118 return (oop)result.get_jobject();
119 }
120 return NULL;
121 }
122
123 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
124 assert(_index < _args->length(), "out of bounds");
125 oop arg=((objArrayOop) (_args))->obj_at(_index++);
126 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
127 return Handle(Thread::current(), arg);
128 }
129
130 jobjectArray readConfiguration0(JNIEnv *env, TRAPS);
131
132 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
133 jobjectArray config = readConfiguration0(env, CHECK_NULL);
134 return config;
135 C2V_END
136
137 C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
138 #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);
139 #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);
140 Handle name(THREAD, JNIHandles::resolve(name_handle));
141 if (name.is_null()) {
142 THROW_0(vmSymbols::java_lang_NullPointerException());
143 }
144 ResourceMark rm;
145 const char* cstring = java_lang_String::as_utf8_string(name());
146 JVMFlag* flag = JVMFlag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
147 if (flag == NULL) {
148 return c2vm;
149 }
150 if (flag->is_bool()) {
151 jvalue prim;
152 prim.z = flag->get_bool();
153 oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
154 return JNIHandles::make_local(THREAD, box);
155 } else if (flag->is_ccstr()) {
156 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
157 return JNIHandles::make_local(THREAD, value());
158 } else if (flag->is_intx()) {
159 RETURN_BOXED_LONG(flag->get_intx());
160 } else if (flag->is_int()) {
161 RETURN_BOXED_LONG(flag->get_int());
162 } else if (flag->is_uint()) {
163 RETURN_BOXED_LONG(flag->get_uint());
164 } else if (flag->is_uint64_t()) {
165 RETURN_BOXED_LONG(flag->get_uint64_t());
166 } else if (flag->is_size_t()) {
167 RETURN_BOXED_LONG(flag->get_size_t());
168 } else if (flag->is_uintx()) {
169 RETURN_BOXED_LONG(flag->get_uintx());
170 } else if (flag->is_double()) {
171 RETURN_BOXED_DOUBLE(flag->get_double());
172 } else {
173 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
174 }
175 #undef RETURN_BOXED_LONG
176 #undef RETURN_BOXED_DOUBLE
177 C2V_END
178
179 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
180 methodHandle method = CompilerToVM::asMethod(jvmci_method);
181 ResourceMark rm;
182
183 int code_size = method->code_size();
184 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
185
186 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
187 // iterate over all bytecodes and replace non-Java bytecodes
188
189 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
190 Bytecodes::Code code = s.code();
191 Bytecodes::Code raw_code = s.raw_code();
192 int bci = s.bci();
193 int len = s.instruction_size();
194
195 // Restore original byte code.
196 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
197 if (len > 1) {
198 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
199 }
200
201 if (len > 1) {
202 // Restore the big-endian constant pool indexes.
203 // Cf. Rewriter::scan_method
204 switch (code) {
205 case Bytecodes::_getstatic:
206 case Bytecodes::_putstatic:
207 case Bytecodes::_getfield:
208 case Bytecodes::_putfield:
209 case Bytecodes::_invokevirtual:
210 case Bytecodes::_invokespecial:
211 case Bytecodes::_invokestatic:
212 case Bytecodes::_invokeinterface:
213 case Bytecodes::_invokehandle: {
214 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
215 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
216 break;
217 }
218
219 case Bytecodes::_invokedynamic: {
220 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
221 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
222 break;
223 }
224
225 default:
226 break;
227 }
228
229 // Not all ldc byte code are rewritten.
230 switch (raw_code) {
231 case Bytecodes::_fast_aldc: {
232 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
233 int cp_index = method->constants()->object_to_cp_index(cpc_index);
234 assert(cp_index < method->constants()->length(), "sanity check");
235 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
236 break;
237 }
238
239 case Bytecodes::_fast_aldc_w: {
240 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
241 int cp_index = method->constants()->object_to_cp_index(cpc_index);
242 assert(cp_index < method->constants()->length(), "sanity check");
243 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
244 break;
245 }
246
247 default:
248 break;
249 }
250 }
251 }
252
253 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
254 C2V_END
255
256 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
257 ResourceMark rm;
258 methodHandle method = CompilerToVM::asMethod(jvmci_method);
259 return method->exception_table_length();
260 C2V_END
261
262 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
263 ResourceMark rm;
264 methodHandle method = CompilerToVM::asMethod(jvmci_method);
265 if (method->exception_table_length() == 0) {
266 return 0L;
267 }
268 return (jlong) (address) method->exception_table_start();
269 C2V_END
270
271 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
272 oop executable = JNIHandles::resolve(executable_handle);
273 oop mirror = NULL;
274 int slot = 0;
275
276 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
277 mirror = java_lang_reflect_Constructor::clazz(executable);
278 slot = java_lang_reflect_Constructor::slot(executable);
279 } else {
280 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
281 mirror = java_lang_reflect_Method::clazz(executable);
282 slot = java_lang_reflect_Method::slot(executable);
283 }
284 Klass* holder = java_lang_Class::as_Klass(mirror);
285 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
286 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
287 return JNIHandles::make_local(THREAD, result);
288 }
289
290 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
291 methodHandle method;
292 oop base_object = JNIHandles::resolve(base);
293 if (base_object == NULL) {
294 method = *((Method**)(offset));
295 } else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) {
296 method = (Method*) (intptr_t) base_object->long_field(offset);
297 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
298 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
299 } else {
300 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
301 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
302 }
303 assert (method.is_null() || method->is_method(), "invalid read");
304 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
305 return JNIHandles::make_local(THREAD, result);
306 }
307
308 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
309 constantPoolHandle cp;
310 oop object = JNIHandles::resolve(object_handle);
311 if (object == NULL) {
312 THROW_0(vmSymbols::java_lang_NullPointerException());
313 }
314 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
315 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
316 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
317 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
318 } else {
319 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
320 err_msg("Unexpected type: %s", object->klass()->external_name()));
321 }
322 assert(!cp.is_null(), "npe");
323 JavaValue method_result(T_OBJECT);
324 JavaCallArguments args;
325 args.push_long((jlong) (address) cp());
326 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
327 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
328 }
329
330 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
331 JVMCIKlassHandle klass(THREAD);
332 oop base_object = JNIHandles::resolve(base);
333 jlong base_address = 0;
334 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
335 klass = base_object->klass();
336 } else if (!compressed) {
337 if (base_object != NULL) {
338 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
339 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
340 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
341 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
342 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
343 base_address = (jlong) CompilerToVM::asKlass(base_object);
344 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
345 base_address = (jlong) (address) base_object;
346 } else {
347 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
348 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
349 }
350 }
351 klass = *((Klass**) (intptr_t) (base_address + offset));
352 } else {
353 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
354 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
355 base_object != NULL ? base_object->klass()->external_name() : "null",
356 offset, compressed ? "true" : "false"));
357 }
358 assert (klass == NULL || klass->is_klass(), "invalid read");
359 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
360 return JNIHandles::make_local(THREAD, result);
361 }
362
363 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
364 ResourceMark rm;
365 methodHandle method = CompilerToVM::asMethod(jvmci_method);
366 Klass* holder = CompilerToVM::asKlass(jvmci_type);
367 if (holder->is_interface()) {
368 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
369 }
370
371 methodHandle ucm;
372 {
373 MutexLocker locker(Compile_lock);
374 ucm = Dependencies::find_unique_concrete_method(holder, method());
375 }
376 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
377 return JNIHandles::make_local(THREAD, result);
378 C2V_END
379
380 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
381 Klass* klass = CompilerToVM::asKlass(jvmci_type);
382 if (!klass->is_interface()) {
383 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
384 err_msg("Expected interface type, got %s", klass->external_name()));
385 }
386 InstanceKlass* iklass = InstanceKlass::cast(klass);
387 JVMCIKlassHandle handle(THREAD);
388 {
389 // Need Compile_lock around implementor()
390 MutexLocker locker(Compile_lock);
391 handle = iklass->implementor();
392 }
393 oop implementor = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
394 return JNIHandles::make_local(THREAD, implementor);
395 C2V_END
396
397 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
398 methodHandle method = CompilerToVM::asMethod(jvmci_method);
399 return method->is_ignored_by_security_stack_walk();
400 C2V_END
401
402 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
403 methodHandle method = CompilerToVM::asMethod(jvmci_method);
404 constantPoolHandle cp = method->constMethod()->constants();
405 assert(!cp.is_null(), "npe");
406 // don't inline method when constant pool contains a CONSTANT_Dynamic
407 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
408 C2V_END
409
410 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
411 methodHandle method = CompilerToVM::asMethod(jvmci_method);
412 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
413 C2V_END
414
415 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
416 methodHandle method = CompilerToVM::asMethod(jvmci_method);
417 return CompilerOracle::should_inline(method) || method->force_inline();
418 C2V_END
419
420 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
421 ResourceMark rm;
422 Handle name(THREAD, JNIHandles::resolve(jname));
423 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0);
424 if (java_lang_String::length(name()) <= 1) {
425 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
426 }
427
428 JVMCIKlassHandle resolved_klass(THREAD);
429 if (JNIHandles::resolve(accessing_class) == NULL) {
430 THROW_0(vmSymbols::java_lang_NullPointerException());
431 }
432 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
433 Handle class_loader(THREAD, accessing_klass->class_loader());
434 Handle protection_domain(THREAD, accessing_klass->protection_domain());
435
436 if (resolve) {
437 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
438 } else {
439 if (class_name->char_at(0) == 'L' &&
440 class_name->char_at(class_name->utf8_length()-1) == ';') {
441 // This is a name from a signature. Strip off the trimmings.
442 // Call recursive to keep scope of strippedsym.
443 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
444 class_name->utf8_length()-2,
445 CHECK_0);
446 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
447 } else if (FieldType::is_array(class_name)) {
448 FieldArrayInfo fd;
449 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
450 // of this call
451 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
452 if (t == T_OBJECT) {
453 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
454 class_name->utf8_length()-2-fd.dimension(),
455 CHECK_0);
456 // naked oop "k" is OK here -- we assign back into it
457 resolved_klass = SystemDictionary::find(strippedsym,
458 class_loader,
459 protection_domain,
460 CHECK_0);
461 if (!resolved_klass.is_null()) {
462 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
463 }
464 } else {
465 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0);
466 }
467 }
468 }
469 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
470 return JNIHandles::make_local(THREAD, result);
471 C2V_END
472
473 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
474 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
475 oop result = cp->resolve_constant_at(index, CHECK_NULL);
476 return JNIHandles::make_local(THREAD, result);
477 C2V_END
478
479 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
480 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
481 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
482 return JNIHandles::make_local(THREAD, result);
483 C2V_END
484
485 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
486 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
487 return cp->name_and_type_ref_index_at(index);
488 C2V_END
489
490 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
491 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
492 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
493 return JNIHandles::make_local(THREAD, sym());
494 C2V_END
495
496 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
497 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
498 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
499 return JNIHandles::make_local(THREAD, sym());
500 C2V_END
501
502 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
503 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
504 return cp->klass_ref_index_at(index);
505 C2V_END
506
507 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
508 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
509 Klass* klass = cp->klass_at(index, CHECK_NULL);
510 JVMCIKlassHandle resolved_klass(THREAD, klass);
511 if (resolved_klass->is_instance_klass()) {
512 InstanceKlass::cast(resolved_klass())->link_class_or_fail(THREAD);
513 }
514 oop jvmci_type = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
515 return JNIHandles::make_local(THREAD, jvmci_type);
516 C2V_END
517
518 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
519 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
520 Klass* loading_klass = cp->pool_holder();
521 bool is_accessible = false;
522 JVMCIKlassHandle klass(THREAD, JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass));
523 Symbol* symbol = NULL;
524 if (klass == NULL) {
525 symbol = cp->klass_name_at(index);
526 }
527 oop result_oop;
528 if (!klass.is_null()) {
529 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
530 } else {
531 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
532 result_oop = result();
533 }
534 return JNIHandles::make_local(THREAD, result_oop);
535 C2V_END
536
537 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
538 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
539 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
540 return JNIHandles::make_local(THREAD, appendix_oop);
541 C2V_END
542
543 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
544 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
545 InstanceKlass* pool_holder = cp->pool_holder();
546 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
547 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
548 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
549 return JNIHandles::make_local(THREAD, result);
550 C2V_END
551
552 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
553 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
554 return cp->remap_instruction_operand_from_cache(index);
555 C2V_END
556
557 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
558 ResourceMark rm;
559 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
560 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
561 fieldDescriptor fd;
562 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
563 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
564 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
565 if (info == NULL || info->length() != 3) {
566 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
567 }
568 info->int_at_put(0, fd.access_flags().as_int());
569 info->int_at_put(1, fd.offset());
570 info->int_at_put(2, fd.index());
571 JVMCIKlassHandle handle(THREAD, fd.field_holder());
572 oop field_holder = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
573 return JNIHandles::make_local(THREAD, field_holder);
574 C2V_END
575
576 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
577 ResourceMark rm;
578 Klass* klass = CompilerToVM::asKlass(jvmci_type);
579 Method* method = CompilerToVM::asMethod(jvmci_method);
580 if (klass->is_interface()) {
581 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
582 }
583 if (!method->method_holder()->is_interface()) {
584 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()));
585 }
586 if (!InstanceKlass::cast(klass)->is_linked()) {
587 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
588 }
589 return LinkResolver::vtable_index_of_interface_method(klass, method);
590 C2V_END
591
592 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
593 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
594 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
595 methodHandle method = CompilerToVM::asMethod(jvmci_method);
596
597 Klass* resolved = method->method_holder();
598 Symbol* h_name = method->name();
599 Symbol* h_signature = method->signature();
600
601 if (MethodHandles::is_signature_polymorphic_method(method())) {
602 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
603 return NULL;
604 }
605
606 if (method->name() == vmSymbols::clone_name() &&
607 resolved == SystemDictionary::Object_klass() &&
608 recv_klass->is_array_klass()) {
609 // Resolution of the clone method on arrays always returns Object.clone even though that method
610 // has protected access. There's some trickery in the access checking to make this all work out
611 // so it's necessary to pass in the array class as the resolved class to properly trigger this.
612 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See
613 // LinkResolver::check_method_accessability for the matching logic.
614 resolved = recv_klass;
615 }
616
617 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
618 methodHandle m;
619 // Only do exact lookup if receiver klass has been linked. Otherwise,
620 // the vtable has not been setup, and the LinkResolver will fail.
621 if (recv_klass->is_array_klass() ||
622 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
623 if (resolved->is_interface()) {
624 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
625 } else {
626 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
627 }
628 }
629
630 if (m.is_null()) {
631 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
632 return NULL;
633 }
634
635 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
636 return JNIHandles::make_local(THREAD, result);
637 C2V_END
638
639 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
640 Klass* klass = CompilerToVM::asKlass(jvmci_type);
641 assert(klass != NULL, "method must not be called for primitive types");
642 return Dependencies::find_finalizable_subclass(klass) != NULL;
643 C2V_END
644
645 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
646 Klass* klass = CompilerToVM::asKlass(jvmci_type);
647 if (!klass->is_instance_klass()) {
648 return NULL;
649 }
650 InstanceKlass* iklass = InstanceKlass::cast(klass);
651 oop result = CompilerToVM::get_jvmci_method(iklass->class_initializer(), CHECK_NULL);
652 return JNIHandles::make_local(THREAD, result);
653 C2V_END
654
655 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
656 address target_addr = (address) addr;
657 if (target_addr != 0x0) {
658 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
659 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
660 return MAX2(ABS(off_low), ABS(off_high));
661 }
662 return -1;
663 C2V_END
664
665 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv *, jobject, jobject jvmci_method))
666 methodHandle method = CompilerToVM::asMethod(jvmci_method);
667 method->set_not_c1_compilable();
668 method->set_not_c2_compilable();
669 method->set_dont_inline(true);
670 C2V_END
671
672 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
673 ResourceMark rm;
674 HandleMark hm;
675 JNIHandleMark jni_hm;
676
677 Handle target_handle(THREAD, JNIHandles::resolve(target));
678 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
679 CodeBlob* cb = NULL;
680 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
681 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));
682
683 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
684
685 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
686 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
687 CodeInstaller installer(is_immutable_PIC);
688 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
689
690 if (PrintCodeCacheOnCompilation) {
691 stringStream s;
692 // Dump code cache into a buffer before locking the tty,
693 {
694 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
695 CodeCache::print_summary(&s, false);
696 }
697 ttyLocker ttyl;
698 tty->print_raw_cr(s.as_string());
699 }
700
701 if (result != JVMCIEnv::ok) {
702 assert(cb == NULL, "should be");
703 } else {
704 if (installed_code_handle.not_null()) {
705 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
706 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
707 {
708 // Ensure that all updates to the InstalledCode fields are consistent.
709 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
710 InstalledCode::set_address(installed_code_handle, (jlong) cb);
711 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
712 if (cb->is_nmethod()) {
713 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
714 } else {
715 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
716 }
717 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
718 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
719 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
720 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
721 }
722 }
723 }
724 }
725 return result;
726 C2V_END
727
728 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
729 #if INCLUDE_AOT
730 ResourceMark rm;
731 HandleMark hm;
732
733 Handle target_handle(THREAD, JNIHandles::resolve(target));
734 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
735 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));
736
737 CodeMetadata code_metadata;
738 CodeBlob *cb = NULL;
739 CodeInstaller installer(true /* immutable PIC compilation */);
740
741 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
742 if (result != JVMCIEnv::ok) {
743 return result;
744 }
745
746 if (code_metadata.get_nr_pc_desc() > 0) {
747 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
748 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
749 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
750 }
751
752 if (code_metadata.get_scopes_size() > 0) {
753 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
754 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
755 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
756 }
757
758 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
759 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
760 if (reloc_buffer->size() > 0) {
761 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
762 }
763 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
764
765 const OopMapSet* oopMapSet = installer.oopMapSet();
766 {
767 ResourceMark mark;
768 ImmutableOopMapBuilder builder(oopMapSet);
769 int oopmap_size = builder.heap_size();
770 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
771 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
772 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
773 }
774
775 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
776
777 int nr_meta_refs = recorder->nr_meta_refs();
778 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_refs, CHECK_(JVMCIEnv::cache_full));
779 objArrayHandle metadataArrayHandle(THREAD, metadataArray);
780 for (int i = 0; i < nr_meta_refs; ++i) {
781 jobject element = recorder->meta_element(i);
782 if (element == NULL) {
783 return JVMCIEnv::cache_full;
784 }
785 metadataArrayHandle->obj_at_put(i, JNIHandles::resolve(element));
786 }
787 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
788
789 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
790 int table_size = handler->size_in_bytes();
791 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));
792
793 if (table_size > 0) {
794 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
795 }
796 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
797
798 return result;
799 #else
800 THROW_MSG_0(vmSymbols::java_lang_InternalError(), "unimplemented");
801 #endif
802 C2V_END
803
804 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
805 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
806 CompilerStatistics* stats = compiler->stats();
807 stats->_standard.reset();
808 stats->_osr.reset();
809 C2V_END
810
811 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
812 ResourceMark rm;
813 HandleMark hm;
814
815 if (installedCode == NULL) {
816 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
817 }
818
819 jlong codeBlob = InstalledCode::address(installedCode);
820 if (codeBlob == 0L) {
821 return NULL;
822 }
823
824 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
825 if (cb == NULL) {
826 return NULL;
827 }
828
829 // We don't want the stringStream buffer to resize during disassembly as it
830 // uses scoped resource memory. If a nested function called during disassembly uses
831 // a ResourceMark and the buffer expands within the scope of the mark,
832 // the buffer becomes garbage when that scope is exited. Experience shows that
833 // the disassembled code is typically about 10x the code size so a fixed buffer
834 // sized to 20x code size plus a fixed amount for header info should be sufficient.
835 int bufferSize = cb->code_size() * 20 + 1024;
836 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
837 stringStream st(buffer, bufferSize);
838 if (cb->is_nmethod()) {
839 nmethod* nm = (nmethod*) cb;
840 if (!nm->is_alive()) {
841 return NULL;
842 }
843 }
844 Disassembler::decode(cb, &st);
845 if (st.size() <= 0) {
846 return NULL;
847 }
848
849 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
850 return JNIHandles::make_local(THREAD, result());
851 C2V_END
852
853 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
854 ResourceMark rm;
855 HandleMark hm;
856
857 methodHandle method = CompilerToVM::asMethod(jvmci_method);
858 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
859 return JNIHandles::make_local(THREAD, element);
860 C2V_END
861
862 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
863 ResourceMark rm;
864 HandleMark hm;
865
866 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
867 if (nmethodValue == 0L) {
868 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
869 }
870 nmethod* nm = (nmethod*) (address) nmethodValue;
871 methodHandle mh = nm->method();
872 Symbol* signature = mh->signature();
873 JavaCallArguments jca(mh->size_of_parameters());
874
875 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
876 JavaValue result(jap.get_ret_type());
877 jca.set_alternative_target(nm);
878 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
879
880 if (jap.get_ret_type() == T_VOID) {
881 return NULL;
882 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
883 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
884 } else {
885 jvalue *value = (jvalue *) result.get_value_addr();
886 // Narrow the value down if required (Important on big endian machines)
887 switch (jap.get_ret_type()) {
888 case T_BOOLEAN:
889 value->z = (jboolean) value->i;
890 break;
891 case T_BYTE:
892 value->b = (jbyte) value->i;
893 break;
894 case T_CHAR:
895 value->c = (jchar) value->i;
896 break;
897 case T_SHORT:
898 value->s = (jshort) value->i;
899 break;
900 default:
901 break;
902 }
903 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
904 return JNIHandles::make_local(THREAD, o);
905 }
906 C2V_END
907
908 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
909 Method* method = CompilerToVM::asMethod(jvmci_method);
910 if (!method->has_linenumber_table()) {
911 return NULL;
912 }
913 u2 num_entries = 0;
914 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
915 while (streamForSize.read_pair()) {
916 num_entries++;
917 }
918
919 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
920 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
921
922 int i = 0;
923 jlong value;
924 while (stream.read_pair()) {
925 value = ((long) stream.bci());
926 result->long_at_put(i, value);
927 value = ((long) stream.line());
928 result->long_at_put(i + 1, value);
929 i += 2;
930 }
931
932 return (jlongArray) JNIHandles::make_local(THREAD, result);
933 C2V_END
934
935 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
936 ResourceMark rm;
937 Method* method = CompilerToVM::asMethod(jvmci_method);
938 if (!method->has_localvariable_table()) {
939 return 0;
940 }
941 return (jlong) (address) method->localvariable_table_start();
942 C2V_END
943
944 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
945 ResourceMark rm;
946 Method* method = CompilerToVM::asMethod(jvmci_method);
947 return method->localvariable_table_length();
948 C2V_END
949
950 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
951 Method* method = CompilerToVM::asMethod(jvmci_method);
952 MethodCounters* mcs = method->method_counters();
953 if (mcs != NULL) {
954 mcs->clear_counters();
955 }
956 NOT_PRODUCT(method->set_compiled_invocation_count(0));
957
958 CompiledMethod* code = method->code();
959 if (code != NULL) {
960 code->make_not_entrant();
961 }
962
963 MethodData* method_data = method->method_data();
964 if (method_data == NULL) {
965 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
966 method_data = MethodData::allocate(loader_data, method, CHECK);
967 method->set_method_data(method_data);
968 } else {
969 method_data->initialize();
970 }
971 C2V_END
972
973
974 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
975 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
976 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
977 C2V_END
978
979 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
980 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
981 JavaThread::collect_counters(arrayOop);
982 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
983 C2V_END
984
985 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
986 HandleMark hm;
987 ResourceMark rm;
988 if (JNIHandles::resolve(jvmci_method) == NULL) {
989 THROW_0(vmSymbols::java_lang_NullPointerException());
990 }
991 Method* method = CompilerToVM::asMethod(jvmci_method);
992 if (entry_bci >= method->code_size() || entry_bci < -1) {
993 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
994 }
995 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
996 C2V_END
997
998
999 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1000 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1001 return mdo != NULL && mdo->is_mature();
1002 C2V_END
1003
1004 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1005 Method* method = CompilerToVM::asMethod(jvmci_method);
1006 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1007 C2V_END
1008
1009 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1010 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1011 return JNIHandles::make_local(THREAD, sym());
1012 C2V_END
1013
1014 bool matches(jobjectArray methods, Method* method) {
1015 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1016
1017 for (int i = 0; i < methods_oop->length(); i++) {
1018 oop resolved = methods_oop->obj_at(i);
1019 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1020 return true;
1021 }
1022 }
1023 return false;
1024 }
1025
1026 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
1027 CallInfo callinfo;
1028 Handle receiver = args->receiver();
1029 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
1030 LinkInfo link_info(spec_klass, name, signature);
1031 LinkResolver::resolve_interface_call(
1032 callinfo, receiver, recvrKlass, link_info, true, CHECK);
1033 methodHandle method = callinfo.selected_method();
1034 assert(method.not_null(), "should have thrown exception");
1035
1036 // Invoke the method
1037 JavaCalls::call(result, method, args, CHECK);
1038 }
1039
1040 C2V_VMENTRY(jobject, iterateFrames, (JNIEnv*, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
1041 ResourceMark rm;
1042
1043 if (!thread->has_last_Java_frame()) {
1044 return NULL;
1045 }
1046 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
1047 Handle frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1048 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1049
1050 StackFrameStream fst(thread);
1051
1052 jobjectArray methods = initial_methods;
1053
1054 int frame_number = 0;
1055 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1056
1057 while (true) {
1058 // look for the given method
1059 bool realloc_called = false;
1060 while (true) {
1061 StackValueCollection* locals = NULL;
1062 if (vf->is_compiled_frame()) {
1063 // compiled method frame
1064 compiledVFrame* cvf = compiledVFrame::cast(vf);
1065 if (methods == NULL || matches(methods, cvf->method())) {
1066 if (initialSkip > 0) {
1067 initialSkip--;
1068 } else {
1069 ScopeDesc* scope = cvf->scope();
1070 // native wrappers do not have a scope
1071 if (scope != NULL && scope->objects() != NULL) {
1072 GrowableArray<ScopeValue*>* objects;
1073 if (!realloc_called) {
1074 objects = scope->objects();
1075 } else {
1076 // some object might already have been re-allocated, only reallocate the non-allocated ones
1077 objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
1078 for (int i = 0; i < scope->objects()->length(); i++) {
1079 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
1080 if (sv->value().is_null()) {
1081 objects->append(sv);
1082 }
1083 }
1084 }
1085 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), objects, CHECK_NULL);
1086 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
1087 realloc_called = true;
1088
1089 GrowableArray<ScopeValue*>* local_values = scope->locals();
1090 assert(local_values != NULL, "NULL locals");
1091 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1092 typeArrayHandle array(THREAD, array_oop);
1093 for (int i = 0; i < local_values->length(); i++) {
1094 ScopeValue* value = local_values->at(i);
1095 if (value->is_object()) {
1096 array->bool_at_put(i, true);
1097 }
1098 }
1099 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, array());
1100 } else {
1101 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL);
1102 }
1103
1104 locals = cvf->locals();
1105 HotSpotStackFrameReference::set_bci(frame_reference, cvf->bci());
1106 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1107 HotSpotStackFrameReference::set_method(frame_reference, method);
1108 }
1109 }
1110 } else if (vf->is_interpreted_frame()) {
1111 // interpreted method frame
1112 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1113 if (methods == NULL || matches(methods, ivf->method())) {
1114 if (initialSkip > 0) {
1115 initialSkip--;
1116 } else {
1117 locals = ivf->locals();
1118 HotSpotStackFrameReference::set_bci(frame_reference, ivf->bci());
1119 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1120 HotSpotStackFrameReference::set_method(frame_reference, method);
1121 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL);
1122 }
1123 }
1124 }
1125
1126 // locals != NULL means that we found a matching frame and result is already partially initialized
1127 if (locals != NULL) {
1128 methods = match_methods;
1129 HotSpotStackFrameReference::set_compilerToVM(frame_reference, JNIHandles::resolve(compilerToVM));
1130 HotSpotStackFrameReference::set_stackPointer(frame_reference, (jlong) fst.current()->sp());
1131 HotSpotStackFrameReference::set_frameNumber(frame_reference, frame_number);
1132
1133 // initialize the locals array
1134 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1135 objArrayHandle array(THREAD, array_oop);
1136 for (int i = 0; i < locals->size(); i++) {
1137 StackValue* var = locals->at(i);
1138 if (var->type() == T_OBJECT) {
1139 array->obj_at_put(i, locals->at(i)->get_obj()());
1140 }
1141 }
1142 HotSpotStackFrameReference::set_locals(frame_reference, array());
1143 HotSpotStackFrameReference::set_objectsMaterialized(frame_reference, JNI_FALSE);
1144
1145 JavaValue result(T_OBJECT);
1146 JavaCallArguments args(visitor);
1147 args.push_oop(frame_reference);
1148 call_interface(&result, SystemDictionary::InspectedFrameVisitor_klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
1149 if (result.get_jobject() != NULL) {
1150 return JNIHandles::make_local(thread, (oop) result.get_jobject());
1151 }
1152 assert(initialSkip == 0, "There should be no match before initialSkip == 0");
1153 if (HotSpotStackFrameReference::objectsMaterialized(frame_reference) == JNI_TRUE) {
1154 // the frame has been deoptimized, we need to re-synchronize the frame and vframe
1155 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(frame_reference);
1156 fst = StackFrameStream(thread);
1157 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1158 fst.next();
1159 }
1160 if (fst.current()->sp() != stack_pointer) {
1161 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1162 }
1163 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1164 if (!vf->is_compiled_frame()) {
1165 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1166 }
1167 for (int i = 0; i < frame_number; i++) {
1168 if (vf->is_top()) {
1169 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
1170 }
1171 vf = vf->sender();
1172 assert(vf->is_compiled_frame(), "Wrong frame type");
1173 }
1174 }
1175 frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1176 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1177 }
1178
1179 if (vf->is_top()) {
1180 break;
1181 }
1182 frame_number++;
1183 vf = vf->sender();
1184 } // end of vframe loop
1185
1186 if (fst.is_done()) {
1187 break;
1188 }
1189 fst.next();
1190 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1191 frame_number = 0;
1192 } // end of frame loop
1193
1194 // the end was reached without finding a matching method
1195 return NULL;
1196 C2V_END
1197
1198 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1199 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1200 CallInfo callInfo;
1201 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1202 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1203 cp_cache_entry->set_dynamic_call(cp, callInfo);
1204 C2V_END
1205
1206 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1207 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1208 Klass* holder = cp->klass_ref_at(index, CHECK);
1209 Symbol* name = cp->name_ref_at(index);
1210 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1211 CallInfo callInfo;
1212 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1213 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1214 cp_cache_entry->set_method_handle(cp, callInfo);
1215 }
1216 C2V_END
1217
1218 C2V_VMENTRY(jint, isResolvedInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1219 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1220 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1221 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1222 // MethodHandle.invoke* --> LambdaForm?
1223 ResourceMark rm;
1224
1225 LinkInfo link_info(cp, index, CATCH);
1226
1227 Klass* resolved_klass = link_info.resolved_klass();
1228
1229 Symbol* name_sym = cp->name_ref_at(index);
1230
1231 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1232 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1233
1234 methodHandle adapter_method(cp_cache_entry->f1_as_method());
1235
1236 methodHandle resolved_method(adapter_method);
1237
1238 // Can we treat it as a regular invokevirtual?
1239 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1240 vmassert(!resolved_method->is_static(),"!");
1241 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1242 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1243 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1244
1245 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1246 vmassert(m == resolved_method, "!!");
1247 return -1;
1248 }
1249
1250 return Bytecodes::_invokevirtual;
1251 }
1252 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1253 return Bytecodes::_invokedynamic;
1254 }
1255 return -1;
1256 C2V_END
1257
1258
1259 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1260 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
1261 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1262 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1263 holders->obj_at_put(0, mh());
1264 holders->obj_at_put(1, vh());
1265 return JNIHandles::make_local(THREAD, holders());
1266 C2V_END
1267
1268 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1269 //see compute_recording_non_safepoints in debugInfroRec.cpp
1270 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1271 return true;
1272 }
1273 return DebugNonSafepoints;
1274 C2V_END
1275
1276 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1277 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1278 ResourceMark rm;
1279
1280 if (hs_frame == NULL) {
1281 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1282 }
1283
1284 HotSpotStackFrameReference::klass()->initialize(CHECK);
1285
1286 // look for the given stack frame
1287 StackFrameStream fst(thread);
1288 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1289 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1290 fst.next();
1291 }
1292 if (fst.current()->sp() != stack_pointer) {
1293 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1294 }
1295
1296 if (invalidate) {
1297 if (!fst.current()->is_compiled_frame()) {
1298 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1299 }
1300 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1301 ((nmethod*) fst.current()->cb())->make_not_entrant();
1302 }
1303 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1304 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1305 StackFrameStream fstAfterDeopt(thread);
1306 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1307 fstAfterDeopt.next();
1308 }
1309 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1310 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1311 }
1312
1313 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1314 if (!vf->is_compiled_frame()) {
1315 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1316 }
1317
1318 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1319 while (true) {
1320 assert(vf->is_compiled_frame(), "Wrong frame type");
1321 virtualFrames->push(compiledVFrame::cast(vf));
1322 if (vf->is_top()) {
1323 break;
1324 }
1325 vf = vf->sender();
1326 }
1327
1328 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1329 if (last_frame_number >= virtualFrames->length()) {
1330 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1331 }
1332
1333 // Reallocate the non-escaping objects and restore their fields.
1334 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1335 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1336
1337 if (objects == NULL) {
1338 // no objects to materialize
1339 return;
1340 }
1341
1342 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, CHECK);
1343 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1344
1345 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1346 compiledVFrame* cvf = virtualFrames->at(frame_index);
1347
1348 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1349 StackValueCollection* locals = cvf->locals();
1350 if (locals != NULL) {
1351 for (int i2 = 0; i2 < locals->size(); i2++) {
1352 StackValue* var = locals->at(i2);
1353 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1354 jvalue val;
1355 val.l = (jobject) locals->at(i2)->get_obj()();
1356 cvf->update_local(T_OBJECT, i2, val);
1357 }
1358 }
1359 }
1360
1361 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1362 StackValueCollection* expressions = cvf->expressions();
1363 if (expressions != NULL) {
1364 for (int i2 = 0; i2 < expressions->size(); i2++) {
1365 StackValue* var = expressions->at(i2);
1366 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1367 jvalue val;
1368 val.l = (jobject) expressions->at(i2)->get_obj()();
1369 cvf->update_stack(T_OBJECT, i2, val);
1370 }
1371 }
1372 }
1373
1374 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1375 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1376 if (monitors != NULL) {
1377 for (int i2 = 0; i2 < monitors->length(); i2++) {
1378 cvf->update_monitor(i2, monitors->at(i2));
1379 }
1380 }
1381 }
1382
1383 // all locals are materialized by now
1384 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1385
1386 // update the locals array
1387 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame));
1388 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1389 for (int i = 0; i < locals->size(); i++) {
1390 StackValue* var = locals->at(i);
1391 if (var->type() == T_OBJECT) {
1392 array->obj_at_put(i, locals->at(i)->get_obj()());
1393 }
1394 }
1395 HotSpotStackFrameReference::set_objectsMaterialized(hs_frame, JNI_TRUE);
1396 C2V_END
1397
1398 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1399 if (bytes == NULL) {
1400 THROW(vmSymbols::java_lang_NullPointerException());
1401 }
1402 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1403
1404 // Check if offset and length are non negative.
1405 if (offset < 0 || length < 0) {
1406 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1407 }
1408 // Check if the range is valid.
1409 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1410 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1411 }
1412 while (length > 0) {
1413 jbyte* start = array->byte_at_addr(offset);
1414 tty->write((char*) start, MIN2(length, (jint)O_BUFLEN));
1415 length -= O_BUFLEN;
1416 offset += O_BUFLEN;
1417 }
1418 C2V_END
1419
1420 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1421 tty->flush();
1422 C2V_END
1423
1424 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1425 ResourceMark rm;
1426 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1427 ProfileData* profile_data = mdo->data_at(position);
1428 if (mdo->is_valid(profile_data)) {
1429 return profile_data->size_in_bytes();
1430 }
1431 DataLayout* data = mdo->extra_data_base();
1432 DataLayout* end = mdo->extra_data_limit();
1433 for (;; data = mdo->next_extra(data)) {
1434 assert(data < end, "moved past end of extra data");
1435 profile_data = data->data_in();
1436 if (mdo->dp_to_di(profile_data->dp()) == position) {
1437 return profile_data->size_in_bytes();
1438 }
1439 }
1440 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1441 C2V_END
1442
1443 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1444 #if INCLUDE_AOT
1445 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1446 if (k->is_instance_klass()) {
1447 return InstanceKlass::cast(k)->get_stored_fingerprint();
1448 } else {
1449 return 0;
1450 }
1451 #else
1452 THROW_MSG_0(vmSymbols::java_lang_InternalError(), "unimplemented");
1453 #endif
1454 C2V_END
1455
1456 C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type))
1457 InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type));
1458 InstanceKlass* host = k->unsafe_anonymous_host();
1459 JVMCIKlassHandle handle(THREAD, host);
1460 oop result = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
1461 return JNIHandles::make_local(THREAD, result);
1462 C2V_END
1463
1464 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1465 if (bytecode_frame_handle == NULL) {
1466 THROW_0(vmSymbols::java_lang_NullPointerException());
1467 }
1468
1469 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1470 oop bytecode_frame = top_bytecode_frame;
1471 int size = 0;
1472 int callee_parameters = 0;
1473 int callee_locals = 0;
1474 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1475 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1476
1477 while (bytecode_frame != NULL) {
1478 int locks = BytecodeFrame::numLocks(bytecode_frame);
1479 int temps = BytecodeFrame::numStack(bytecode_frame);
1480 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1481 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1482
1483 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1484 temps + callee_parameters,
1485 extra_args,
1486 locks,
1487 callee_parameters,
1488 callee_locals,
1489 is_top_frame);
1490 size += frame_size;
1491
1492 callee_parameters = method->size_of_parameters();
1493 callee_locals = method->max_locals();
1494 extra_args = 0;
1495 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1496 }
1497 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1498 C2V_END
1499
1500 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1501 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
1502 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1503 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1504 JavaValue result(T_VOID);
1505 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1506 } else {
1507 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1508 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1509 }
1510 C2V_END
1511
1512 C2V_VMENTRY(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
1513 methodHandle m = CompilerToVM::asMethod(jvmci_method);
1514 oop executable;
1515 if (m->is_initializer()) {
1516 if (m->is_static_initializer()) {
1517 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
1518 "Cannot create java.lang.reflect.Method for class initializer");
1519 }
1520 executable = Reflection::new_constructor(m, CHECK_NULL);
1521 } else {
1522 executable = Reflection::new_method(m, false, CHECK_NULL);
1523 }
1524 return JNIHandles::make_local(thread, executable);
1525 }
1526
1527 C2V_VMENTRY(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
1528 Klass* klass = CompilerToVM::asKlass(jvmci_type);
1529 if (!klass->is_instance_klass()) {
1530 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
1531 err_msg("Expected non-primitive type, got %s", klass->external_name()));
1532 }
1533 InstanceKlass* iklass = InstanceKlass::cast(klass);
1534 Array<u2>* fields = iklass->fields();
1535 if (index < 0 || index > fields->length()) {
1536 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
1537 err_msg("Field index %d out of bounds for %s", index, klass->external_name()));
1538 }
1539 fieldDescriptor fd(iklass, index);
1540 oop reflected = Reflection::new_field(&fd, CHECK_NULL);
1541 return JNIHandles::make_local(env, reflected);
1542 }
1543
1544 #define CC (char*) /*cast a literal from (const char*)*/
1545 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1546
1547 #define STRING "Ljava/lang/String;"
1548 #define OBJECT "Ljava/lang/Object;"
1549 #define CLASS "Ljava/lang/Class;"
1550 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1551 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1552 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1553 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1554 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1555 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
1556 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1557 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1558 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1559 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1560 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1561 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1562 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1563 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1564 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1565 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;"
1566 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;"
1567 #define METASPACE_METHOD_DATA "J"
1568
1569 JNINativeMethod CompilerToVM::methods[] = {
1570 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1571 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1572 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1573 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1574 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1575 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1576 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1577 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
1578 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1579 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1580 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1581 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1582 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1583 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1584 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1585 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1586 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1587 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1588 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1589 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1590 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1591 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1592 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1593 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1594 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1595 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1596 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
1597 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1598 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1599 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1600 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1601 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1602 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1603 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1604 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1605 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1606 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1607 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1608 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1609 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1610 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1611 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1612 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1613 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1614 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1615 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1616 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1617 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1618 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1619 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1620 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1621 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1622 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1623 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
1624 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1625 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1626 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1627 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1628 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1629 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1630 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
1631 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1632 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1633 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
1634 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)},
1635 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)},
1636 };
1637
1638 int CompilerToVM::methods_count() {
1639 return sizeof(methods) / sizeof(JNINativeMethod);
1640 }