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