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->holder_phantom());
53 }
54 }
55
56 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
57 _klass = klass;
58 if (klass != NULL) {
59 _holder = Handle(_thread, klass->holder_phantom());
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 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
606 methodHandle m;
607 // Only do exact lookup if receiver klass has been linked. Otherwise,
608 // the vtable has not been setup, and the LinkResolver will fail.
609 if (recv_klass->is_array_klass() ||
610 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
611 if (resolved->is_interface()) {
612 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
613 } else {
614 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
615 }
616 }
617
618 if (m.is_null()) {
619 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
620 return NULL;
621 }
622
623 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
624 return JNIHandles::make_local(THREAD, result);
625 C2V_END
626
627 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
628 Klass* klass = CompilerToVM::asKlass(jvmci_type);
629 assert(klass != NULL, "method must not be called for primitive types");
630 return Dependencies::find_finalizable_subclass(klass) != NULL;
631 C2V_END
632
633 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
634 Klass* klass = CompilerToVM::asKlass(jvmci_type);
635 if (!klass->is_instance_klass()) {
636 return NULL;
637 }
638 InstanceKlass* iklass = InstanceKlass::cast(klass);
639 oop result = CompilerToVM::get_jvmci_method(iklass->class_initializer(), CHECK_NULL);
640 return JNIHandles::make_local(THREAD, result);
641 C2V_END
642
643 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
644 address target_addr = (address) addr;
645 if (target_addr != 0x0) {
646 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
647 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
648 return MAX2(ABS(off_low), ABS(off_high));
649 }
650 return -1;
651 C2V_END
652
653 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv *, jobject, jobject jvmci_method))
654 methodHandle method = CompilerToVM::asMethod(jvmci_method);
655 method->set_not_c1_compilable();
656 method->set_not_c2_compilable();
657 method->set_dont_inline(true);
658 C2V_END
659
660 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
661 ResourceMark rm;
662 HandleMark hm;
663 JNIHandleMark jni_hm;
664
665 Handle target_handle(THREAD, JNIHandles::resolve(target));
666 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
667 CodeBlob* cb = NULL;
668 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
669 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));
670
671 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
672
673 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
674 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
675 CodeInstaller installer(is_immutable_PIC);
676 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
677
678 if (PrintCodeCacheOnCompilation) {
679 stringStream s;
680 // Dump code cache into a buffer before locking the tty,
681 {
682 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
683 CodeCache::print_summary(&s, false);
684 }
685 ttyLocker ttyl;
686 tty->print_raw_cr(s.as_string());
687 }
688
689 if (result != JVMCIEnv::ok) {
690 assert(cb == NULL, "should be");
691 } else {
692 if (installed_code_handle.not_null()) {
693 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
694 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
695 {
696 // Ensure that all updates to the InstalledCode fields are consistent.
697 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
698 InstalledCode::set_address(installed_code_handle, (jlong) cb);
699 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
700 if (cb->is_nmethod()) {
701 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
702 } else {
703 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
704 }
705 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
706 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
707 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
708 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
709 }
710 }
711 }
712 }
713 return result;
714 C2V_END
715
716 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
717 #if INCLUDE_AOT
718 ResourceMark rm;
719 HandleMark hm;
720
721 Handle target_handle(THREAD, JNIHandles::resolve(target));
722 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
723 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));
724
725 CodeMetadata code_metadata;
726 CodeBlob *cb = NULL;
727 CodeInstaller installer(true /* immutable PIC compilation */);
728
729 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
730 if (result != JVMCIEnv::ok) {
731 return result;
732 }
733
734 if (code_metadata.get_nr_pc_desc() > 0) {
735 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
736 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
737 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
738 }
739
740 if (code_metadata.get_scopes_size() > 0) {
741 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
742 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
743 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
744 }
745
746 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
747 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
748 if (reloc_buffer->size() > 0) {
749 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
750 }
751 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
752
753 const OopMapSet* oopMapSet = installer.oopMapSet();
754 {
755 ResourceMark mark;
756 ImmutableOopMapBuilder builder(oopMapSet);
757 int oopmap_size = builder.heap_size();
758 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
759 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
760 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
761 }
762
763 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
764
765 int nr_meta_refs = recorder->nr_meta_refs();
766 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_refs, CHECK_(JVMCIEnv::cache_full));
767 objArrayHandle metadataArrayHandle(THREAD, metadataArray);
768 for (int i = 0; i < nr_meta_refs; ++i) {
769 jobject element = recorder->meta_element(i);
770 if (element == NULL) {
771 return JVMCIEnv::cache_full;
772 }
773 metadataArrayHandle->obj_at_put(i, JNIHandles::resolve(element));
774 }
775 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
776
777 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
778 int table_size = handler->size_in_bytes();
779 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));
780
781 if (table_size > 0) {
782 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
783 }
784 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
785
786 return result;
787 #else
788 THROW_MSG_0(vmSymbols::java_lang_InternalError(), "unimplemented");
789 #endif
790 C2V_END
791
792 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
793 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
794 CompilerStatistics* stats = compiler->stats();
795 stats->_standard.reset();
796 stats->_osr.reset();
797 C2V_END
798
799 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
800 ResourceMark rm;
801 HandleMark hm;
802
803 if (installedCode == NULL) {
804 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
805 }
806
807 jlong codeBlob = InstalledCode::address(installedCode);
808 if (codeBlob == 0L) {
809 return NULL;
810 }
811
812 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
813 if (cb == NULL) {
814 return NULL;
815 }
816
817 // We don't want the stringStream buffer to resize during disassembly as it
818 // uses scoped resource memory. If a nested function called during disassembly uses
819 // a ResourceMark and the buffer expands within the scope of the mark,
820 // the buffer becomes garbage when that scope is exited. Experience shows that
821 // the disassembled code is typically about 10x the code size so a fixed buffer
822 // sized to 20x code size plus a fixed amount for header info should be sufficient.
823 int bufferSize = cb->code_size() * 20 + 1024;
824 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
825 stringStream st(buffer, bufferSize);
826 if (cb->is_nmethod()) {
827 nmethod* nm = (nmethod*) cb;
828 if (!nm->is_alive()) {
829 return NULL;
830 }
831 }
832 Disassembler::decode(cb, &st);
833 if (st.size() <= 0) {
834 return NULL;
835 }
836
837 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
838 return JNIHandles::make_local(THREAD, result());
839 C2V_END
840
841 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
842 ResourceMark rm;
843 HandleMark hm;
844
845 methodHandle method = CompilerToVM::asMethod(jvmci_method);
846 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
847 return JNIHandles::make_local(THREAD, element);
848 C2V_END
849
850 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
851 ResourceMark rm;
852 HandleMark hm;
853
854 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
855 if (nmethodValue == 0L) {
856 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
857 }
858 nmethod* nm = (nmethod*) (address) nmethodValue;
859 methodHandle mh = nm->method();
860 Symbol* signature = mh->signature();
861 JavaCallArguments jca(mh->size_of_parameters());
862
863 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
864 JavaValue result(jap.get_ret_type());
865 jca.set_alternative_target(nm);
866 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
867
868 if (jap.get_ret_type() == T_VOID) {
869 return NULL;
870 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
871 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
872 } else {
873 jvalue *value = (jvalue *) result.get_value_addr();
874 // Narrow the value down if required (Important on big endian machines)
875 switch (jap.get_ret_type()) {
876 case T_BOOLEAN:
877 value->z = (jboolean) value->i;
878 break;
879 case T_BYTE:
880 value->b = (jbyte) value->i;
881 break;
882 case T_CHAR:
883 value->c = (jchar) value->i;
884 break;
885 case T_SHORT:
886 value->s = (jshort) value->i;
887 break;
888 default:
889 break;
890 }
891 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
892 return JNIHandles::make_local(THREAD, o);
893 }
894 C2V_END
895
896 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
897 Method* method = CompilerToVM::asMethod(jvmci_method);
898 if (!method->has_linenumber_table()) {
899 return NULL;
900 }
901 u2 num_entries = 0;
902 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
903 while (streamForSize.read_pair()) {
904 num_entries++;
905 }
906
907 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
908 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
909
910 int i = 0;
911 jlong value;
912 while (stream.read_pair()) {
913 value = ((long) stream.bci());
914 result->long_at_put(i, value);
915 value = ((long) stream.line());
916 result->long_at_put(i + 1, value);
917 i += 2;
918 }
919
920 return (jlongArray) JNIHandles::make_local(THREAD, result);
921 C2V_END
922
923 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
924 ResourceMark rm;
925 Method* method = CompilerToVM::asMethod(jvmci_method);
926 if (!method->has_localvariable_table()) {
927 return 0;
928 }
929 return (jlong) (address) method->localvariable_table_start();
930 C2V_END
931
932 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
933 ResourceMark rm;
934 Method* method = CompilerToVM::asMethod(jvmci_method);
935 return method->localvariable_table_length();
936 C2V_END
937
938 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
939 Method* method = CompilerToVM::asMethod(jvmci_method);
940 MethodCounters* mcs = method->method_counters();
941 if (mcs != NULL) {
942 mcs->clear_counters();
943 }
944 NOT_PRODUCT(method->set_compiled_invocation_count(0));
945
946 CompiledMethod* code = method->code();
947 if (code != NULL) {
948 code->make_not_entrant();
949 }
950
951 MethodData* method_data = method->method_data();
952 if (method_data == NULL) {
953 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
954 method_data = MethodData::allocate(loader_data, method, CHECK);
955 method->set_method_data(method_data);
956 } else {
957 method_data->initialize();
958 }
959 C2V_END
960
961
962 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
963 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
964 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
965 C2V_END
966
967 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
968 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
969 JavaThread::collect_counters(arrayOop);
970 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
971 C2V_END
972
973 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
974 HandleMark hm;
975 ResourceMark rm;
976 if (JNIHandles::resolve(jvmci_method) == NULL) {
977 THROW_0(vmSymbols::java_lang_NullPointerException());
978 }
979 Method* method = CompilerToVM::asMethod(jvmci_method);
980 if (entry_bci >= method->code_size() || entry_bci < -1) {
981 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
982 }
983 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
984 C2V_END
985
986
987 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
988 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
989 return mdo != NULL && mdo->is_mature();
990 C2V_END
991
992 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
993 Method* method = CompilerToVM::asMethod(jvmci_method);
994 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
995 C2V_END
996
997 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
998 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
999 return JNIHandles::make_local(THREAD, sym());
1000 C2V_END
1001
1002 bool matches(jobjectArray methods, Method* method) {
1003 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1004
1005 for (int i = 0; i < methods_oop->length(); i++) {
1006 oop resolved = methods_oop->obj_at(i);
1007 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1008 return true;
1009 }
1010 }
1011 return false;
1012 }
1013
1014 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
1015 CallInfo callinfo;
1016 Handle receiver = args->receiver();
1017 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
1018 LinkInfo link_info(spec_klass, name, signature);
1019 LinkResolver::resolve_interface_call(
1020 callinfo, receiver, recvrKlass, link_info, true, CHECK);
1021 methodHandle method = callinfo.selected_method();
1022 assert(method.not_null(), "should have thrown exception");
1023
1024 // Invoke the method
1025 JavaCalls::call(result, method, args, CHECK);
1026 }
1027
1028 C2V_VMENTRY(jobject, iterateFrames, (JNIEnv*, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
1029 ResourceMark rm;
1030
1031 if (!thread->has_last_Java_frame()) {
1032 return NULL;
1033 }
1034 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
1035 Handle frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1036 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1037
1038 StackFrameStream fst(thread);
1039
1040 jobjectArray methods = initial_methods;
1041
1042 int frame_number = 0;
1043 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1044
1045 while (true) {
1046 // look for the given method
1047 bool realloc_called = false;
1048 while (true) {
1049 StackValueCollection* locals = NULL;
1050 if (vf->is_compiled_frame()) {
1051 // compiled method frame
1052 compiledVFrame* cvf = compiledVFrame::cast(vf);
1053 if (methods == NULL || matches(methods, cvf->method())) {
1054 if (initialSkip > 0) {
1055 initialSkip--;
1056 } else {
1057 ScopeDesc* scope = cvf->scope();
1058 // native wrappers do not have a scope
1059 if (scope != NULL && scope->objects() != NULL) {
1060 GrowableArray<ScopeValue*>* objects;
1061 if (!realloc_called) {
1062 objects = scope->objects();
1063 } else {
1064 // some object might already have been re-allocated, only reallocate the non-allocated ones
1065 objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
1066 for (int i = 0; i < scope->objects()->length(); i++) {
1067 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
1068 if (sv->value().is_null()) {
1069 objects->append(sv);
1070 }
1071 }
1072 }
1073 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), objects, CHECK_NULL);
1074 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
1075 realloc_called = true;
1076
1077 GrowableArray<ScopeValue*>* local_values = scope->locals();
1078 assert(local_values != NULL, "NULL locals");
1079 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1080 typeArrayHandle array(THREAD, array_oop);
1081 for (int i = 0; i < local_values->length(); i++) {
1082 ScopeValue* value = local_values->at(i);
1083 if (value->is_object()) {
1084 array->bool_at_put(i, true);
1085 }
1086 }
1087 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, array());
1088 } else {
1089 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL);
1090 }
1091
1092 locals = cvf->locals();
1093 HotSpotStackFrameReference::set_bci(frame_reference, cvf->bci());
1094 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1095 HotSpotStackFrameReference::set_method(frame_reference, method);
1096 }
1097 }
1098 } else if (vf->is_interpreted_frame()) {
1099 // interpreted method frame
1100 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1101 if (methods == NULL || matches(methods, ivf->method())) {
1102 if (initialSkip > 0) {
1103 initialSkip--;
1104 } else {
1105 locals = ivf->locals();
1106 HotSpotStackFrameReference::set_bci(frame_reference, ivf->bci());
1107 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1108 HotSpotStackFrameReference::set_method(frame_reference, method);
1109 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL);
1110 }
1111 }
1112 }
1113
1114 // locals != NULL means that we found a matching frame and result is already partially initialized
1115 if (locals != NULL) {
1116 methods = match_methods;
1117 HotSpotStackFrameReference::set_compilerToVM(frame_reference, JNIHandles::resolve(compilerToVM));
1118 HotSpotStackFrameReference::set_stackPointer(frame_reference, (jlong) fst.current()->sp());
1119 HotSpotStackFrameReference::set_frameNumber(frame_reference, frame_number);
1120
1121 // initialize the locals array
1122 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1123 objArrayHandle array(THREAD, array_oop);
1124 for (int i = 0; i < locals->size(); i++) {
1125 StackValue* var = locals->at(i);
1126 if (var->type() == T_OBJECT) {
1127 array->obj_at_put(i, locals->at(i)->get_obj()());
1128 }
1129 }
1130 HotSpotStackFrameReference::set_locals(frame_reference, array());
1131 HotSpotStackFrameReference::set_objectsMaterialized(frame_reference, JNI_FALSE);
1132
1133 JavaValue result(T_OBJECT);
1134 JavaCallArguments args(visitor);
1135 args.push_oop(frame_reference);
1136 call_interface(&result, SystemDictionary::InspectedFrameVisitor_klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
1137 if (result.get_jobject() != NULL) {
1138 return JNIHandles::make_local(thread, (oop) result.get_jobject());
1139 }
1140 assert(initialSkip == 0, "There should be no match before initialSkip == 0");
1141 if (HotSpotStackFrameReference::objectsMaterialized(frame_reference) == JNI_TRUE) {
1142 // the frame has been deoptimized, we need to re-synchronize the frame and vframe
1143 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(frame_reference);
1144 fst = StackFrameStream(thread);
1145 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1146 fst.next();
1147 }
1148 if (fst.current()->sp() != stack_pointer) {
1149 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1150 }
1151 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1152 if (!vf->is_compiled_frame()) {
1153 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1154 }
1155 for (int i = 0; i < frame_number; i++) {
1156 if (vf->is_top()) {
1157 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
1158 }
1159 vf = vf->sender();
1160 assert(vf->is_compiled_frame(), "Wrong frame type");
1161 }
1162 }
1163 frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1164 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1165 }
1166
1167 if (vf->is_top()) {
1168 break;
1169 }
1170 frame_number++;
1171 vf = vf->sender();
1172 } // end of vframe loop
1173
1174 if (fst.is_done()) {
1175 break;
1176 }
1177 fst.next();
1178 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1179 frame_number = 0;
1180 } // end of frame loop
1181
1182 // the end was reached without finding a matching method
1183 return NULL;
1184 C2V_END
1185
1186 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1187 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1188 CallInfo callInfo;
1189 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1190 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1191 cp_cache_entry->set_dynamic_call(cp, callInfo);
1192 C2V_END
1193
1194 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1195 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1196 Klass* holder = cp->klass_ref_at(index, CHECK);
1197 Symbol* name = cp->name_ref_at(index);
1198 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1199 CallInfo callInfo;
1200 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1201 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1202 cp_cache_entry->set_method_handle(cp, callInfo);
1203 }
1204 C2V_END
1205
1206 C2V_VMENTRY(jint, isResolvedInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1207 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1208 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1209 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1210 // MethodHandle.invoke* --> LambdaForm?
1211 ResourceMark rm;
1212
1213 LinkInfo link_info(cp, index, CATCH);
1214
1215 Klass* resolved_klass = link_info.resolved_klass();
1216
1217 Symbol* name_sym = cp->name_ref_at(index);
1218
1219 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1220 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1221
1222 methodHandle adapter_method(cp_cache_entry->f1_as_method());
1223
1224 methodHandle resolved_method(adapter_method);
1225
1226 // Can we treat it as a regular invokevirtual?
1227 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1228 vmassert(!resolved_method->is_static(),"!");
1229 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1230 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1231 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1232 vmassert(cp_cache_entry->method_type_if_resolved(cp) == NULL, "!");
1233
1234 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1235 vmassert(m == resolved_method, "!!");
1236 return -1;
1237 }
1238
1239 return Bytecodes::_invokevirtual;
1240 }
1241 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1242 return Bytecodes::_invokedynamic;
1243 }
1244 return -1;
1245 C2V_END
1246
1247
1248 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1249 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
1250 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1251 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1252 holders->obj_at_put(0, mh());
1253 holders->obj_at_put(1, vh());
1254 return JNIHandles::make_local(THREAD, holders());
1255 C2V_END
1256
1257 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1258 //see compute_recording_non_safepoints in debugInfroRec.cpp
1259 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1260 return true;
1261 }
1262 return DebugNonSafepoints;
1263 C2V_END
1264
1265 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1266 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1267 ResourceMark rm;
1268
1269 if (hs_frame == NULL) {
1270 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1271 }
1272
1273 HotSpotStackFrameReference::klass()->initialize(CHECK);
1274
1275 // look for the given stack frame
1276 StackFrameStream fst(thread);
1277 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1278 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1279 fst.next();
1280 }
1281 if (fst.current()->sp() != stack_pointer) {
1282 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1283 }
1284
1285 if (invalidate) {
1286 if (!fst.current()->is_compiled_frame()) {
1287 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1288 }
1289 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1290 ((nmethod*) fst.current()->cb())->make_not_entrant();
1291 }
1292 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1293 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1294 StackFrameStream fstAfterDeopt(thread);
1295 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1296 fstAfterDeopt.next();
1297 }
1298 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1299 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1300 }
1301
1302 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1303 if (!vf->is_compiled_frame()) {
1304 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1305 }
1306
1307 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1308 while (true) {
1309 assert(vf->is_compiled_frame(), "Wrong frame type");
1310 virtualFrames->push(compiledVFrame::cast(vf));
1311 if (vf->is_top()) {
1312 break;
1313 }
1314 vf = vf->sender();
1315 }
1316
1317 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1318 if (last_frame_number >= virtualFrames->length()) {
1319 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1320 }
1321
1322 // Reallocate the non-escaping objects and restore their fields.
1323 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1324 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1325
1326 if (objects == NULL) {
1327 // no objects to materialize
1328 return;
1329 }
1330
1331 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, CHECK);
1332 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1333
1334 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1335 compiledVFrame* cvf = virtualFrames->at(frame_index);
1336
1337 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1338 StackValueCollection* locals = cvf->locals();
1339 if (locals != NULL) {
1340 for (int i2 = 0; i2 < locals->size(); i2++) {
1341 StackValue* var = locals->at(i2);
1342 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1343 jvalue val;
1344 val.l = (jobject) locals->at(i2)->get_obj()();
1345 cvf->update_local(T_OBJECT, i2, val);
1346 }
1347 }
1348 }
1349
1350 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1351 StackValueCollection* expressions = cvf->expressions();
1352 if (expressions != NULL) {
1353 for (int i2 = 0; i2 < expressions->size(); i2++) {
1354 StackValue* var = expressions->at(i2);
1355 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1356 jvalue val;
1357 val.l = (jobject) expressions->at(i2)->get_obj()();
1358 cvf->update_stack(T_OBJECT, i2, val);
1359 }
1360 }
1361 }
1362
1363 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1364 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1365 if (monitors != NULL) {
1366 for (int i2 = 0; i2 < monitors->length(); i2++) {
1367 cvf->update_monitor(i2, monitors->at(i2));
1368 }
1369 }
1370 }
1371
1372 // all locals are materialized by now
1373 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1374
1375 // update the locals array
1376 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame));
1377 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1378 for (int i = 0; i < locals->size(); i++) {
1379 StackValue* var = locals->at(i);
1380 if (var->type() == T_OBJECT) {
1381 array->obj_at_put(i, locals->at(i)->get_obj()());
1382 }
1383 }
1384 HotSpotStackFrameReference::set_objectsMaterialized(hs_frame, JNI_TRUE);
1385 C2V_END
1386
1387 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1388 if (bytes == NULL) {
1389 THROW(vmSymbols::java_lang_NullPointerException());
1390 }
1391 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1392
1393 // Check if offset and length are non negative.
1394 if (offset < 0 || length < 0) {
1395 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1396 }
1397 // Check if the range is valid.
1398 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1399 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1400 }
1401 while (length > 0) {
1402 jbyte* start = array->byte_at_addr(offset);
1403 tty->write((char*) start, MIN2(length, (jint)O_BUFLEN));
1404 length -= O_BUFLEN;
1405 offset += O_BUFLEN;
1406 }
1407 C2V_END
1408
1409 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1410 tty->flush();
1411 C2V_END
1412
1413 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1414 ResourceMark rm;
1415 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1416 ProfileData* profile_data = mdo->data_at(position);
1417 if (mdo->is_valid(profile_data)) {
1418 return profile_data->size_in_bytes();
1419 }
1420 DataLayout* data = mdo->extra_data_base();
1421 DataLayout* end = mdo->extra_data_limit();
1422 for (;; data = mdo->next_extra(data)) {
1423 assert(data < end, "moved past end of extra data");
1424 profile_data = data->data_in();
1425 if (mdo->dp_to_di(profile_data->dp()) == position) {
1426 return profile_data->size_in_bytes();
1427 }
1428 }
1429 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1430 C2V_END
1431
1432 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1433 #if INCLUDE_AOT
1434 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1435 if (k->is_instance_klass()) {
1436 return InstanceKlass::cast(k)->get_stored_fingerprint();
1437 } else {
1438 return 0;
1439 }
1440 #else
1441 THROW_MSG_0(vmSymbols::java_lang_InternalError(), "unimplemented");
1442 #endif
1443 C2V_END
1444
1445 C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type))
1446 InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type));
1447 InstanceKlass* host = k->unsafe_anonymous_host();
1448 JVMCIKlassHandle handle(THREAD, host);
1449 oop result = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
1450 return JNIHandles::make_local(THREAD, result);
1451 C2V_END
1452
1453 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1454 if (bytecode_frame_handle == NULL) {
1455 THROW_0(vmSymbols::java_lang_NullPointerException());
1456 }
1457
1458 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1459 oop bytecode_frame = top_bytecode_frame;
1460 int size = 0;
1461 int callee_parameters = 0;
1462 int callee_locals = 0;
1463 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1464 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1465
1466 while (bytecode_frame != NULL) {
1467 int locks = BytecodeFrame::numLocks(bytecode_frame);
1468 int temps = BytecodeFrame::numStack(bytecode_frame);
1469 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1470 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1471
1472 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1473 temps + callee_parameters,
1474 extra_args,
1475 locks,
1476 callee_parameters,
1477 callee_locals,
1478 is_top_frame);
1479 size += frame_size;
1480
1481 callee_parameters = method->size_of_parameters();
1482 callee_locals = method->max_locals();
1483 extra_args = 0;
1484 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1485 }
1486 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1487 C2V_END
1488
1489 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1490 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
1491 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1492 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1493 JavaValue result(T_VOID);
1494 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1495 } else {
1496 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1497 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1498 }
1499 C2V_END
1500
1501 #define CC (char*) /*cast a literal from (const char*)*/
1502 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1503
1504 #define STRING "Ljava/lang/String;"
1505 #define OBJECT "Ljava/lang/Object;"
1506 #define CLASS "Ljava/lang/Class;"
1507 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1508 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1509 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1510 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1511 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1512 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
1513 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1514 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1515 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1516 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1517 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1518 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1519 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1520 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1521 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1522 #define METASPACE_METHOD_DATA "J"
1523
1524 JNINativeMethod CompilerToVM::methods[] = {
1525 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1526 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1527 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1528 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1529 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1530 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1531 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1532 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
1533 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1534 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1535 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1536 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1537 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1538 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1539 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1540 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1541 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1542 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1543 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1544 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1545 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1546 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1547 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1548 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1549 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1550 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1551 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
1552 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1553 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1554 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1555 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1556 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1557 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1558 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1559 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1560 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1561 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1562 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1563 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1564 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1565 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1566 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1567 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1568 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1569 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1570 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1571 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1572 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1573 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1574 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1575 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1576 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1577 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1578 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
1579 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1580 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1581 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1582 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1583 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1584 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1585 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
1586 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1587 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1588 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
1589 };
1590
1591 int CompilerToVM::methods_count() {
1592 return sizeof(methods) / sizeof(JNINativeMethod);
1593 }