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