1 /*
2 * Copyright (c) 2011, 2020, 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/classLoaderData.inline.hpp"
26 #include "classfile/javaClasses.inline.hpp"
27 #include "classfile/stringTable.hpp"
28 #include "classfile/symbolTable.hpp"
29 #include "code/scopeDesc.hpp"
30 #include "compiler/compileBroker.hpp"
31 #include "compiler/compilerEvent.hpp"
32 #include "compiler/disassembler.hpp"
33 #include "interpreter/linkResolver.hpp"
34 #include "interpreter/bytecodeStream.hpp"
35 #include "jfr/jfrEvents.hpp"
36 #include "jvmci/jvmciCompilerToVM.hpp"
37 #include "jvmci/jvmciCodeInstaller.hpp"
38 #include "jvmci/jvmciRuntime.hpp"
39 #include "logging/log.hpp"
40 #include "logging/logTag.hpp"
41 #include "memory/oopFactory.hpp"
42 #include "memory/universe.hpp"
43 #include "oops/constantPool.inline.hpp"
44 #include "oops/method.inline.hpp"
45 #include "oops/typeArrayOop.inline.hpp"
46 #include "prims/nativeLookup.hpp"
47 #include "runtime/atomic.hpp"
48 #include "runtime/deoptimization.hpp"
49 #include "runtime/fieldDescriptor.inline.hpp"
50 #include "runtime/frame.inline.hpp"
51 #include "runtime/interfaceSupport.inline.hpp"
52 #include "runtime/jniHandles.inline.hpp"
53 #include "runtime/timerTrace.hpp"
54 #include "runtime/vframe_hp.hpp"
55
56 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
57 _thread = thread;
58 _klass = klass;
59 if (klass != NULL) {
60 _holder = Handle(_thread, klass->klass_holder());
61 }
62 }
63
64 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
65 _klass = klass;
66 if (klass != NULL) {
67 _holder = Handle(_thread, klass->klass_holder());
68 }
69 return *this;
70 }
71
72 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) {
73 if (!JVMCIENV->is_hotspot()) {
74 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller));
75 }
76 }
77
78 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) {
79 if (thread != NULL) {
80 // Allocate a new block for JNI handles.
81 // Inlined code from jni_PushLocalFrame()
82 JNIHandleBlock* java_handles = thread->active_handles();
83 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
84 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
85 compile_handles->set_pop_frame_link(java_handles);
86 thread->set_active_handles(compile_handles);
87 }
88 }
89
90 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) {
91 if (thread != NULL) {
92 // Release our JNI handle block
93 JNIHandleBlock* compile_handles = thread->active_handles();
94 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
95 thread->set_active_handles(java_handles);
96 compile_handles->set_pop_frame_link(NULL);
97 JNIHandleBlock::release_block(compile_handles, thread); // may block
98 }
99 }
100
101 class JVMCITraceMark : public StackObj {
102 const char* _msg;
103 public:
104 JVMCITraceMark(const char* msg) {
105 _msg = msg;
106 JVMCI_event_2("Enter %s", _msg);
107 }
108 ~JVMCITraceMark() {
109 JVMCI_event_2(" Exit %s", _msg);
110 }
111 };
112
113
114 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
115 assert(_index < _args->length(), "out of bounds");
116 oop arg=((objArrayOop) (_args))->obj_at(_index++);
117 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
118 return Handle(Thread::current(), arg);
119 }
120
121 // Bring the JVMCI compiler thread into the VM state.
122 #define JVMCI_VM_ENTRY_MARK \
123 ThreadInVMfromNative __tiv(thread); \
124 ResetNoHandleMark rnhm; \
125 HandleMarkCleaner __hm(thread); \
126 Thread* THREAD = thread; \
127 debug_only(VMNativeEntryWrapper __vew;)
128
129 // Native method block that transitions current thread to '_thread_in_vm'.
130 #define C2V_BLOCK(result_type, name, signature) \
131 TRACE_CALL(result_type, jvmci_ ## name signature) \
132 JVMCI_VM_ENTRY_MARK; \
133 ResourceMark rm; \
134 JNI_JVMCIENV(thread, env);
135
136 static JavaThread* get_current_thread(bool allow_null=true) {
137 Thread* thread = Thread::current_or_null_safe();
138 if (thread == NULL) {
139 assert(allow_null, "npe");
140 return NULL;
141 }
142 assert(thread->is_Java_thread(), "must be");
143 return (JavaThread*) thread;
144 }
145
146 // Entry to native method implementation that transitions
147 // current thread to '_thread_in_vm'.
148 #define C2V_VMENTRY(result_type, name, signature) \
149 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
150 JavaThread* thread = get_current_thread(); \
151 if (thread == NULL) { \
152 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
153 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
154 return; \
155 } \
156 JVMCITraceMark jtm("CompilerToVM::" #name); \
157 C2V_BLOCK(result_type, name, signature)
158
159 #define C2V_VMENTRY_(result_type, name, signature, result) \
160 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
161 JavaThread* thread = get_current_thread(); \
162 if (thread == NULL) { \
163 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
164 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
165 return result; \
166 } \
167 JVMCITraceMark jtm("CompilerToVM::" #name); \
168 C2V_BLOCK(result_type, name, signature)
169
170 #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL)
171 #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0)
172
173 // Entry to native method implementation that does not transition
174 // current thread to '_thread_in_vm'.
175 #define C2V_VMENTRY_PREFIX(result_type, name, signature) \
176 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
177 JavaThread* thread = get_current_thread();
178
179 #define C2V_END }
180
181 #define JNI_THROW(caller, name, msg) do { \
182 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
183 if (__throw_res != JNI_OK) { \
184 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
185 } \
186 return; \
187 } while (0);
188
189 #define JNI_THROW_(caller, name, msg, result) do { \
190 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
191 if (__throw_res != JNI_OK) { \
192 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
193 } \
194 return result; \
195 } while (0)
196
197 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS);
198
199 C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env))
200 jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL);
201 return config;
202 }
203
204 C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle))
205 #define RETURN_BOXED_LONG(value) jvalue p; p.j = (jlong) (value); JVMCIObject box = JVMCIENV->create_box(T_LONG, &p, JVMCI_CHECK_NULL); return box.as_jobject();
206 #define RETURN_BOXED_DOUBLE(value) jvalue p; p.d = (jdouble) (value); JVMCIObject box = JVMCIENV->create_box(T_DOUBLE, &p, JVMCI_CHECK_NULL); return box.as_jobject();
207 JVMCIObject name = JVMCIENV->wrap(name_handle);
208 if (name.is_null()) {
209 JVMCI_THROW_NULL(NullPointerException);
210 }
211 const char* cstring = JVMCIENV->as_utf8_string(name);
212 const JVMFlag* flag = JVMFlag::find_declared_flag(cstring);
213 if (flag == NULL) {
214 return c2vm;
215 }
216 if (flag->is_bool()) {
217 jvalue prim;
218 prim.z = flag->get_bool();
219 JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
220 return JVMCIENV->get_jobject(box);
221 } else if (flag->is_ccstr()) {
222 JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL);
223 return JVMCIENV->get_jobject(value);
224 } else if (flag->is_intx()) {
225 RETURN_BOXED_LONG(flag->get_intx());
226 } else if (flag->is_int()) {
227 RETURN_BOXED_LONG(flag->get_int());
228 } else if (flag->is_uint()) {
229 RETURN_BOXED_LONG(flag->get_uint());
230 } else if (flag->is_uint64_t()) {
231 RETURN_BOXED_LONG(flag->get_uint64_t());
232 } else if (flag->is_size_t()) {
233 RETURN_BOXED_LONG(flag->get_size_t());
234 } else if (flag->is_uintx()) {
235 RETURN_BOXED_LONG(flag->get_uintx());
236 } else if (flag->is_double()) {
237 RETURN_BOXED_DOUBLE(flag->get_double());
238 } else {
239 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
240 }
241 #undef RETURN_BOXED_LONG
242 #undef RETURN_BOXED_DOUBLE
243 C2V_END
244
245 C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address))
246 requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL);
247 if (oop_address == 0) {
248 JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero");
249 }
250 oop obj = *((oopDesc**) oop_address);
251 if (obj != NULL) {
252 oopDesc::verify(obj);
253 }
254 return JNIHandles::make_local(THREAD, obj);
255 C2V_END
256
257 C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method))
258 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
259
260 int code_size = method->code_size();
261 jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size);
262
263 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
264 // iterate over all bytecodes and replace non-Java bytecodes
265
266 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
267 Bytecodes::Code code = s.code();
268 Bytecodes::Code raw_code = s.raw_code();
269 int bci = s.bci();
270 int len = s.instruction_size();
271
272 // Restore original byte code.
273 reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code);
274 if (len > 1) {
275 memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1);
276 }
277
278 if (len > 1) {
279 // Restore the big-endian constant pool indexes.
280 // Cf. Rewriter::scan_method
281 switch (code) {
282 case Bytecodes::_getstatic:
283 case Bytecodes::_putstatic:
284 case Bytecodes::_getfield:
285 case Bytecodes::_putfield:
286 case Bytecodes::_invokevirtual:
287 case Bytecodes::_invokespecial:
288 case Bytecodes::_invokestatic:
289 case Bytecodes::_invokeinterface:
290 case Bytecodes::_invokehandle: {
291 int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
292 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
293 break;
294 }
295
296 case Bytecodes::_invokedynamic: {
297 int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1));
298 Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index);
299 break;
300 }
301
302 default:
303 break;
304 }
305
306 // Not all ldc byte code are rewritten.
307 switch (raw_code) {
308 case Bytecodes::_fast_aldc: {
309 int cpc_index = reconstituted_code[bci + 1] & 0xff;
310 int cp_index = method->constants()->object_to_cp_index(cpc_index);
311 assert(cp_index < method->constants()->length(), "sanity check");
312 reconstituted_code[bci + 1] = (jbyte) cp_index;
313 break;
314 }
315
316 case Bytecodes::_fast_aldc_w: {
317 int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
318 int cp_index = method->constants()->object_to_cp_index(cpc_index);
319 assert(cp_index < method->constants()->length(), "sanity check");
320 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
321 break;
322 }
323
324 default:
325 break;
326 }
327 }
328 }
329
330 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
331 JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size);
332 return JVMCIENV->get_jbyteArray(result);
333 C2V_END
334
335 C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
336 Method* method = JVMCIENV->asMethod(jvmci_method);
337 return method->exception_table_length();
338 C2V_END
339
340 C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
341 Method* method = JVMCIENV->asMethod(jvmci_method);
342 if (method->exception_table_length() == 0) {
343 return 0L;
344 }
345 return (jlong) (address) method->exception_table_start();
346 C2V_END
347
348 C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle))
349 requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL);
350 oop executable = JNIHandles::resolve(executable_handle);
351 oop mirror = NULL;
352 int slot = 0;
353
354 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
355 mirror = java_lang_reflect_Constructor::clazz(executable);
356 slot = java_lang_reflect_Constructor::slot(executable);
357 } else {
358 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
359 mirror = java_lang_reflect_Method::clazz(executable);
360 slot = java_lang_reflect_Method::slot(executable);
361 }
362 Klass* holder = java_lang_Class::as_Klass(mirror);
363 methodHandle method (THREAD, InstanceKlass::cast(holder)->method_with_idnum(slot));
364 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
365 return JVMCIENV->get_jobject(result);
366 }
367
368 C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset))
369 Method* method;
370 JVMCIObject base_object = JVMCIENV->wrap(base);
371 if (base_object.is_null()) {
372 method = *((Method**)(offset));
373 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
374 Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
375 if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) {
376 method = (Method*) (intptr_t) obj->long_field(offset);
377 } else {
378 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name()));
379 }
380 } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
381 method = JVMCIENV->asMethod(base_object);
382 }
383 if (method == NULL) {
384 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
385 }
386 assert (method->is_method(), "invalid read");
387 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, method), JVMCI_CHECK_NULL);
388 return JVMCIENV->get_jobject(result);
389 }
390
391 C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle))
392 ConstantPool* cp = NULL;
393 JVMCIObject object = JVMCIENV->wrap(object_handle);
394 if (object.is_null()) {
395 JVMCI_THROW_NULL(NullPointerException);
396 }
397 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) {
398 cp = JVMCIENV->asMethod(object)->constMethod()->constants();
399 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) {
400 cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants();
401 } else {
402 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
403 err_msg("Unexpected type: %s", JVMCIENV->klass_name(object)));
404 }
405 assert(cp != NULL, "npe");
406
407 JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(constantPoolHandle(THREAD, cp), JVMCI_CHECK_NULL);
408 return JVMCIENV->get_jobject(result);
409 }
410
411 C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed))
412 JVMCIKlassHandle klass(THREAD);
413 JVMCIObject base_object = JVMCIENV->wrap(base);
414 jlong base_address = 0;
415 if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) {
416 // klass = JVMCIENV->unhandle(base_object)->klass();
417 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
418 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
419 klass = base_oop->klass();
420 } else {
421 assert(false, "What types are we actually expecting here?");
422 }
423 } else if (!compressed) {
424 if (base_object.is_non_null()) {
425 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
426 base_address = (intptr_t) JVMCIENV->asMethod(base_object);
427 } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) {
428 base_address = (intptr_t) JVMCIENV->asConstantPool(base_object);
429 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
430 base_address = (intptr_t) JVMCIENV->asKlass(base_object);
431 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
432 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
433 if (base_oop->is_a(SystemDictionary::Class_klass())) {
434 base_address = cast_from_oop<jlong>(base_oop());
435 }
436 }
437 if (base_address == 0) {
438 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
439 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false"));
440 }
441 }
442 klass = *((Klass**) (intptr_t) (base_address + offset));
443 } else {
444 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
445 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
446 base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null",
447 offset, compressed ? "true" : "false"));
448 }
449 assert (klass == NULL || klass->is_klass(), "invalid read");
450 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
451 return JVMCIENV->get_jobject(result);
452 }
453
454 C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
455 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
456 Klass* holder = JVMCIENV->asKlass(jvmci_type);
457 if (holder->is_interface()) {
458 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name()));
459 }
460 if (method->can_be_statically_bound()) {
461 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Effectively static method %s.%s should be handled in Java code", method->method_holder()->external_name(), method->external_name()));
462 }
463
464 methodHandle ucm;
465 {
466 MutexLocker locker(Compile_lock);
467 ucm = methodHandle(THREAD, Dependencies::find_unique_concrete_method(holder, method()));
468 }
469 JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL);
470 return JVMCIENV->get_jobject(result);
471 C2V_END
472
473 C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type))
474 Klass* klass = JVMCIENV->asKlass(jvmci_type);
475 if (!klass->is_interface()) {
476 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
477 err_msg("Expected interface type, got %s", klass->external_name()));
478 }
479 InstanceKlass* iklass = InstanceKlass::cast(klass);
480 JVMCIKlassHandle handle(THREAD);
481 {
482 // Need Compile_lock around implementor()
483 MutexLocker locker(Compile_lock);
484 handle = iklass->implementor();
485 }
486 JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
487 return JVMCIENV->get_jobject(implementor);
488 C2V_END
489
490 C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method))
491 Method* method = JVMCIENV->asMethod(jvmci_method);
492 return method->is_ignored_by_security_stack_walk();
493 C2V_END
494
495 C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
496 Method* method = JVMCIENV->asMethod(jvmci_method);
497 ConstantPool* cp = method->constMethod()->constants();
498 assert(cp != NULL, "npe");
499 // don't inline method when constant pool contains a CONSTANT_Dynamic
500 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
501 C2V_END
502
503 C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method))
504 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
505 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
506 C2V_END
507
508 C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method))
509 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
510 return CompilerOracle::should_inline(method) || method->force_inline();
511 C2V_END
512
513 C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve))
514 JVMCIObject name = JVMCIENV->wrap(jname);
515 const char* str = JVMCIENV->as_utf8_string(name);
516 TempNewSymbol class_name = SymbolTable::new_symbol(str);
517
518 if (class_name->utf8_length() <= 1) {
519 JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
520 }
521
522 JVMCIKlassHandle resolved_klass(THREAD);
523 Klass* accessing_klass = NULL;
524 Handle class_loader;
525 Handle protection_domain;
526 if (accessing_class != NULL) {
527 accessing_klass = JVMCIENV->asKlass(accessing_class);
528 class_loader = Handle(THREAD, accessing_klass->class_loader());
529 protection_domain = Handle(THREAD, accessing_klass->protection_domain());
530 } else {
531 // Use the System class loader
532 class_loader = Handle(THREAD, SystemDictionary::java_system_loader());
533 JVMCIENV->runtime()->initialize(JVMCIENV);
534 }
535
536 if (resolve) {
537 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_NULL);
538 if (resolved_klass == NULL) {
539 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str);
540 }
541 } else {
542 if (Signature::has_envelope(class_name)) {
543 // This is a name from a signature. Strip off the trimmings.
544 // Call recursive to keep scope of strippedsym.
545 TempNewSymbol strippedsym = Signature::strip_envelope(class_name);
546 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_NULL);
547 } else if (Signature::is_array(class_name)) {
548 SignatureStream ss(class_name, false);
549 int ndim = ss.skip_array_prefix();
550 if (ss.type() == T_OBJECT) {
551 Symbol* strippedsym = ss.as_symbol();
552 resolved_klass = SystemDictionary::find(strippedsym,
553 class_loader,
554 protection_domain,
555 CHECK_NULL);
556 if (!resolved_klass.is_null()) {
557 resolved_klass = resolved_klass->array_klass(ndim, CHECK_NULL);
558 }
559 } else {
560 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(ss.type()))->array_klass(ndim, CHECK_NULL);
561 }
562 } else {
563 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_NULL);
564 }
565 }
566 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
567 return JVMCIENV->get_jobject(result);
568 C2V_END
569
570 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type))
571 if (jvmci_type == NULL) {
572 JVMCI_THROW_0(NullPointerException);
573 }
574
575 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type);
576 JVMCIKlassHandle array_klass(THREAD);
577 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) {
578 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0);
579 if (type == T_VOID) {
580 return NULL;
581 }
582 array_klass = Universe::typeArrayKlassObj(type);
583 if (array_klass == NULL) {
584 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type)));
585 }
586 } else {
587 Klass* klass = JVMCIENV->asKlass(jvmci_type);
588 if (klass == NULL) {
589 JVMCI_THROW_0(NullPointerException);
590 }
591 array_klass = klass->array_klass(CHECK_NULL);
592 }
593 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL);
594 return JVMCIENV->get_jobject(result);
595 C2V_END
596
597 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror))
598 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL);
599 if (mirror == NULL) {
600 return NULL;
601 }
602 JVMCIKlassHandle klass(THREAD);
603 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
604 if (klass == NULL) {
605 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported");
606 }
607 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
608 return JVMCIENV->get_jobject(result);
609 }
610
611 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
612 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
613 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
614 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result));
615 C2V_END
616
617 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
618 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
619 return cp->name_and_type_ref_index_at(index);
620 C2V_END
621
622 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
623 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
624 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL);
625 return JVMCIENV->get_jobject(sym);
626 C2V_END
627
628 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
629 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
630 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL);
631 return JVMCIENV->get_jobject(sym);
632 C2V_END
633
634 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
635 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
636 return cp->klass_ref_index_at(index);
637 C2V_END
638
639 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
640 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
641 Klass* klass = cp->klass_at(index, CHECK_NULL);
642 JVMCIKlassHandle resolved_klass(THREAD, klass);
643 if (resolved_klass->is_instance_klass()) {
644 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL);
645 if (!InstanceKlass::cast(resolved_klass())->is_linked()) {
646 // link_class() should not return here if there is an issue.
647 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name()));
648 }
649 }
650 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
651 return JVMCIENV->get_jobject(klassObject);
652 C2V_END
653
654 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
655 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
656 Klass* loading_klass = cp->pool_holder();
657 bool is_accessible = false;
658 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass));
659 Symbol* symbol = NULL;
660 if (klass.is_null()) {
661 constantTag tag = cp->tag_at(index);
662 if (tag.is_klass()) {
663 // The klass has been inserted into the constant pool
664 // very recently.
665 klass = cp->resolved_klass_at(index);
666 } else if (tag.is_symbol()) {
667 symbol = cp->symbol_at(index);
668 } else {
669 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag");
670 symbol = cp->klass_name_at(index);
671 }
672 }
673 JVMCIObject result;
674 if (!klass.is_null()) {
675 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
676 } else {
677 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL);
678 }
679 return JVMCIENV->get_jobject(result);
680 C2V_END
681
682 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
683 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
684 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
685 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop));
686 C2V_END
687
688 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
689 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
690 InstanceKlass* pool_holder = cp->pool_holder();
691 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
692 methodHandle method(THREAD, JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder));
693 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
694 return JVMCIENV->get_jobject(result);
695 C2V_END
696
697 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
698 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
699 return cp->remap_instruction_operand_from_cache(index);
700 C2V_END
701
702 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
703 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
704 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
705 fieldDescriptor fd;
706 methodHandle mh(THREAD, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL);
707 LinkInfo link_info(cp, index, mh, CHECK_NULL);
708 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_NULL);
709 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle);
710 if (info.is_null() || JVMCIENV->get_length(info) != 3) {
711 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
712 }
713 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int());
714 JVMCIENV->put_int_at(info, 1, fd.offset());
715 JVMCIENV->put_int_at(info, 2, fd.index());
716 JVMCIKlassHandle handle(THREAD, fd.field_holder());
717 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
718 return JVMCIENV->get_jobject(field_holder);
719 C2V_END
720
721 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
722 Klass* klass = JVMCIENV->asKlass(jvmci_type);
723 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
724 if (klass->is_interface()) {
725 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name()));
726 }
727 if (!method->method_holder()->is_interface()) {
728 JVMCI_THROW_MSG_0(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()));
729 }
730 if (!klass->is_instance_klass()) {
731 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
732 }
733 if (!InstanceKlass::cast(klass)->is_linked()) {
734 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name()));
735 }
736 return LinkResolver::vtable_index_of_interface_method(klass, method);
737 C2V_END
738
739 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
740 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type);
741 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type);
742 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
743
744 Klass* resolved = method->method_holder();
745 Symbol* h_name = method->name();
746 Symbol* h_signature = method->signature();
747
748 if (MethodHandles::is_signature_polymorphic_method(method())) {
749 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
750 return NULL;
751 }
752
753 if (method->name() == vmSymbols::clone_name() &&
754 resolved == SystemDictionary::Object_klass() &&
755 recv_klass->is_array_klass()) {
756 // Resolution of the clone method on arrays always returns Object.clone even though that method
757 // has protected access. There's some trickery in the access checking to make this all work out
758 // so it's necessary to pass in the array class as the resolved class to properly trigger this.
759 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See
760 // LinkResolver::check_method_accessability for the matching logic.
761 resolved = recv_klass;
762 }
763
764 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
765 Method* m = NULL;
766 // Only do exact lookup if receiver klass has been linked. Otherwise,
767 // the vtable has not been setup, and the LinkResolver will fail.
768 if (recv_klass->is_array_klass() ||
769 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
770 if (resolved->is_interface()) {
771 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
772 } else {
773 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
774 }
775 }
776
777 if (m == NULL) {
778 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
779 return NULL;
780 }
781
782 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, m), JVMCI_CHECK_NULL);
783 return JVMCIENV->get_jobject(result);
784 C2V_END
785
786 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type))
787 Klass* klass = JVMCIENV->asKlass(jvmci_type);
788 assert(klass != NULL, "method must not be called for primitive types");
789 return Dependencies::find_finalizable_subclass(klass) != NULL;
790 C2V_END
791
792 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type))
793 Klass* klass = JVMCIENV->asKlass(jvmci_type);
794 if (!klass->is_instance_klass()) {
795 return NULL;
796 }
797 InstanceKlass* iklass = InstanceKlass::cast(klass);
798 methodHandle clinit(THREAD, iklass->class_initializer());
799 JVMCIObject result = JVMCIENV->get_jvmci_method(clinit, JVMCI_CHECK_NULL);
800 return JVMCIENV->get_jobject(result);
801 C2V_END
802
803 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr))
804 address target_addr = (address) addr;
805 if (target_addr != 0x0) {
806 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
807 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
808 return MAX2(ABS(off_low), ABS(off_high));
809 }
810 return -1;
811 C2V_END
812
813 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
814 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
815 method->set_not_c1_compilable();
816 method->set_not_c2_compilable();
817 method->set_dont_inline(true);
818 C2V_END
819
820 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code,
821 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj))
822 HandleMark hm;
823 JNIHandleMark jni_hm(thread);
824
825 JVMCIObject target_handle = JVMCIENV->wrap(target);
826 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
827 CodeBlob* cb = NULL;
828 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code);
829 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj);
830
831 int speculations_len = JVMCIENV->get_length(speculations_handle);
832 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len);
833 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len);
834
835 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
836
837 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
838 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0;
839
840 CodeInstaller installer(JVMCIENV, is_immutable_PIC);
841 JVMCI::CodeInstallResult result = installer.install(compiler,
842 target_handle,
843 compiled_code_handle,
844 cb,
845 installed_code_handle,
846 (FailedSpeculation**)(address) failed_speculations_address,
847 speculations,
848 speculations_len,
849 JVMCI_CHECK_0);
850
851 if (PrintCodeCacheOnCompilation) {
852 stringStream s;
853 // Dump code cache into a buffer before locking the tty,
854 {
855 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
856 CodeCache::print_summary(&s, false);
857 }
858 ttyLocker ttyl;
859 tty->print_raw_cr(s.as_string());
860 }
861
862 if (result != JVMCI::ok) {
863 assert(cb == NULL, "should be");
864 } else {
865 if (installed_code_handle.is_non_null()) {
866 if (cb->is_nmethod()) {
867 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type");
868 // Clear the link to an old nmethod first
869 JVMCIObject nmethod_mirror = installed_code_handle;
870 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0);
871 } else {
872 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type");
873 }
874 // Initialize the link to the new code blob
875 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0);
876 }
877 }
878 return result;
879 C2V_END
880
881 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata))
882 #if INCLUDE_AOT
883 HandleMark hm;
884 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode");
885
886 JVMCIObject target_handle = JVMCIENV->wrap(target);
887 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
888 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata);
889
890 CodeMetadata code_metadata;
891
892 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */);
893 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0);
894 if (result != JVMCI::ok) {
895 return result;
896 }
897
898 if (code_metadata.get_nr_pc_desc() > 0) {
899 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc();
900 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
901 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size);
902 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array);
903 }
904
905 if (code_metadata.get_scopes_size() > 0) {
906 int size = code_metadata.get_scopes_size();
907 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
908 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size);
909 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array);
910 }
911
912 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
913 int size = (int) reloc_buffer->size();
914 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
915 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size);
916 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array);
917
918 const OopMapSet* oopMapSet = installer.oopMapSet();
919 {
920 ResourceMark mark;
921 ImmutableOopMapBuilder builder(oopMapSet);
922 int size = builder.heap_size();
923 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
924 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0));
925 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array);
926 }
927
928 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
929
930 int nr_meta_refs = recorder->nr_meta_refs();
931 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full));
932 for (int i = 0; i < nr_meta_refs; ++i) {
933 jobject element = recorder->meta_element(i);
934 if (element == NULL) {
935 return JVMCI::cache_full;
936 }
937 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element));
938 }
939 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray);
940
941 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
942 int table_size = handler->size_in_bytes();
943 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full));
944 if (table_size > 0) {
945 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0));
946 }
947 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray);
948
949 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table();
950 int implicit_table_size = implicit->size_in_bytes();
951 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full));
952 if (implicit_table_size > 0) {
953 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size);
954 }
955 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray);
956
957 return result;
958 #else
959 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
960 #endif
961 C2V_END
962
963 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject))
964 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
965 CompilerStatistics* stats = compiler->stats();
966 stats->_standard.reset();
967 stats->_osr.reset();
968 C2V_END
969
970 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode))
971 HandleMark hm;
972
973 if (installedCode == NULL) {
974 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null");
975 }
976
977 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode);
978 nmethodLocker locker;
979 CodeBlob* cb = JVMCIENV->get_code_blob(installedCodeObject, locker);
980 if (cb == NULL) {
981 return NULL;
982 }
983
984 // We don't want the stringStream buffer to resize during disassembly as it
985 // uses scoped resource memory. If a nested function called during disassembly uses
986 // a ResourceMark and the buffer expands within the scope of the mark,
987 // the buffer becomes garbage when that scope is exited. Experience shows that
988 // the disassembled code is typically about 10x the code size so a fixed buffer
989 // sized to 20x code size plus a fixed amount for header info should be sufficient.
990 int bufferSize = cb->code_size() * 20 + 1024;
991 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
992 stringStream st(buffer, bufferSize);
993 if (cb->is_nmethod()) {
994 nmethod* nm = (nmethod*) cb;
995 if (!nm->is_alive()) {
996 return NULL;
997 }
998 }
999 Disassembler::decode(cb, &st);
1000 if (st.size() <= 0) {
1001 return NULL;
1002 }
1003
1004 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL);
1005 return JVMCIENV->get_jobject(result);
1006 C2V_END
1007
1008 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci))
1009 HandleMark hm;
1010
1011 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1012 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL);
1013 return JVMCIENV->get_jobject(element);
1014 C2V_END
1015
1016 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod))
1017 // The incoming arguments array would have to contain JavaConstants instead of regular objects
1018 // and the return value would have to be wrapped as a JavaConstant.
1019 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL);
1020
1021 HandleMark hm;
1022
1023 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1024 nmethodLocker locker;
1025 nmethod* nm = JVMCIENV->get_nmethod(nmethod_mirror, locker);
1026 if (nm == NULL || !nm->is_in_use()) {
1027 JVMCI_THROW_NULL(InvalidInstalledCodeException);
1028 }
1029 methodHandle mh(THREAD, nm->method());
1030 Symbol* signature = mh->signature();
1031 JavaCallArguments jca(mh->size_of_parameters());
1032
1033 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1034 JavaValue result(jap.return_type());
1035 jca.set_alternative_target(Handle(THREAD, JNIHandles::resolve(nmethod_mirror.as_jobject())));
1036 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1037
1038 if (jap.return_type() == T_VOID) {
1039 return NULL;
1040 } else if (is_reference_type(jap.return_type())) {
1041 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1042 } else {
1043 jvalue *value = (jvalue *) result.get_value_addr();
1044 // Narrow the value down if required (Important on big endian machines)
1045 switch (jap.return_type()) {
1046 case T_BOOLEAN:
1047 value->z = (jboolean) value->i;
1048 break;
1049 case T_BYTE:
1050 value->b = (jbyte) value->i;
1051 break;
1052 case T_CHAR:
1053 value->c = (jchar) value->i;
1054 break;
1055 case T_SHORT:
1056 value->s = (jshort) value->i;
1057 break;
1058 default:
1059 break;
1060 }
1061 JVMCIObject o = JVMCIENV->create_box(jap.return_type(), value, JVMCI_CHECK_NULL);
1062 return JVMCIENV->get_jobject(o);
1063 }
1064 C2V_END
1065
1066 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method))
1067 Method* method = JVMCIENV->asMethod(jvmci_method);
1068 if (!method->has_linenumber_table()) {
1069 return NULL;
1070 }
1071 u2 num_entries = 0;
1072 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1073 while (streamForSize.read_pair()) {
1074 num_entries++;
1075 }
1076
1077 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1078 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL);
1079
1080 int i = 0;
1081 jlong value;
1082 while (stream.read_pair()) {
1083 value = ((long) stream.bci());
1084 JVMCIENV->put_long_at(result, i, value);
1085 value = ((long) stream.line());
1086 JVMCIENV->put_long_at(result, i + 1, value);
1087 i += 2;
1088 }
1089
1090 return (jlongArray) JVMCIENV->get_jobject(result);
1091 C2V_END
1092
1093 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
1094 Method* method = JVMCIENV->asMethod(jvmci_method);
1095 if (!method->has_localvariable_table()) {
1096 return 0;
1097 }
1098 return (jlong) (address) method->localvariable_table_start();
1099 C2V_END
1100
1101 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
1102 Method* method = JVMCIENV->asMethod(jvmci_method);
1103 return method->localvariable_table_length();
1104 C2V_END
1105
1106 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method))
1107 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1108 MethodCounters* mcs = method->method_counters();
1109 if (mcs != NULL) {
1110 mcs->clear_counters();
1111 }
1112 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1113
1114 CompiledMethod* code = method->code();
1115 if (code != NULL) {
1116 code->make_not_entrant();
1117 }
1118
1119 MethodData* method_data = method->method_data();
1120 if (method_data == NULL) {
1121 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1122 method_data = MethodData::allocate(loader_data, method, CHECK);
1123 method->set_method_data(method_data);
1124 } else {
1125 method_data->initialize();
1126 }
1127 C2V_END
1128
1129
1130 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod))
1131 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1132 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK);
1133 C2V_END
1134
1135 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr))
1136 oop ret = RawAccess<>::oop_load((oop*)(address)addr);
1137 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret));
1138 C2V_END
1139
1140 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject))
1141 // Returns a zero length array if counters aren't enabled
1142 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL);
1143 if (JVMCICounterSize > 0) {
1144 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize);
1145 JavaThread::collect_counters(temp_array, JVMCICounterSize);
1146 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize);
1147 }
1148 return (jlongArray) JVMCIENV->get_jobject(array);
1149 C2V_END
1150
1151 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject))
1152 return (jint) JVMCICounterSize;
1153 C2V_END
1154
1155 C2V_VMENTRY(void, setCountersSize, (JNIEnv* env, jobject, jint new_size))
1156 JavaThread::resize_all_jvmci_counters(new_size);
1157 C2V_END
1158
1159 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci))
1160 HandleMark hm;
1161 if (jvmci_method == NULL) {
1162 JVMCI_THROW_0(NullPointerException);
1163 }
1164 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1165 if (entry_bci >= method->code_size() || entry_bci < -1) {
1166 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci));
1167 }
1168 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1169 C2V_END
1170
1171
1172 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data))
1173 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1174 return mdo != NULL && mdo->is_mature();
1175 C2V_END
1176
1177 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1178 Method* method = JVMCIENV->asMethod(jvmci_method);
1179 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1180 C2V_END
1181
1182 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol))
1183 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL);
1184 return JVMCIENV->get_jobject(sym);
1185 C2V_END
1186
1187 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) {
1188 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1189
1190 for (int i = 0; i < methods_oop->length(); i++) {
1191 oop resolved = methods_oop->obj_at(i);
1192 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) {
1193 return true;
1194 }
1195 }
1196 return false;
1197 }
1198
1199 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
1200 CallInfo callinfo;
1201 Handle receiver = args->receiver();
1202 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
1203 LinkInfo link_info(spec_klass, name, signature);
1204 LinkResolver::resolve_interface_call(
1205 callinfo, receiver, recvrKlass, link_info, true, CHECK);
1206 methodHandle method(THREAD, callinfo.selected_method());
1207 assert(method.not_null(), "should have thrown exception");
1208
1209 // Invoke the method
1210 JavaCalls::call(result, method, args, CHECK);
1211 }
1212
1213 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
1214
1215 if (!thread->has_last_Java_frame()) {
1216 return NULL;
1217 }
1218 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
1219
1220 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL);
1221
1222 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1223 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1224
1225 StackFrameStream fst(thread);
1226 jobjectArray methods = initial_methods;
1227
1228 int frame_number = 0;
1229 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1230
1231 while (true) {
1232 // look for the given method
1233 bool realloc_called = false;
1234 while (true) {
1235 StackValueCollection* locals = NULL;
1236 if (vf->is_compiled_frame()) {
1237 // compiled method frame
1238 compiledVFrame* cvf = compiledVFrame::cast(vf);
1239 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) {
1240 if (initialSkip > 0) {
1241 initialSkip--;
1242 } else {
1243 ScopeDesc* scope = cvf->scope();
1244 // native wrappers do not have a scope
1245 if (scope != NULL && scope->objects() != NULL) {
1246 GrowableArray<ScopeValue*>* objects;
1247 if (!realloc_called) {
1248 objects = scope->objects();
1249 } else {
1250 // some object might already have been re-allocated, only reallocate the non-allocated ones
1251 objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
1252 for (int i = 0; i < scope->objects()->length(); i++) {
1253 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
1254 if (sv->value().is_null()) {
1255 objects->append(sv);
1256 }
1257 }
1258 }
1259 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL);
1260 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
1261 realloc_called = true;
1262
1263 GrowableArray<ScopeValue*>* local_values = scope->locals();
1264 assert(local_values != NULL, "NULL locals");
1265 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1266 typeArrayHandle array(THREAD, array_oop);
1267 for (int i = 0; i < local_values->length(); i++) {
1268 ScopeValue* value = local_values->at(i);
1269 if (value->is_object()) {
1270 array->bool_at_put(i, true);
1271 }
1272 }
1273 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array());
1274 } else {
1275 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1276 }
1277
1278 locals = cvf->locals();
1279 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci());
1280 methodHandle mh(THREAD, cvf->method());
1281 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1282 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1283 }
1284 }
1285 } else if (vf->is_interpreted_frame()) {
1286 // interpreted method frame
1287 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1288 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) {
1289 if (initialSkip > 0) {
1290 initialSkip--;
1291 } else {
1292 locals = ivf->locals();
1293 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci());
1294 methodHandle mh(THREAD, ivf->method());
1295 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1296 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1297 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1298 }
1299 }
1300 }
1301
1302 // locals != NULL means that we found a matching frame and result is already partially initialized
1303 if (locals != NULL) {
1304 methods = match_methods;
1305 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM));
1306 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp());
1307 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number);
1308
1309 // initialize the locals array
1310 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1311 objArrayHandle array(THREAD, array_oop);
1312 for (int i = 0; i < locals->size(); i++) {
1313 StackValue* var = locals->at(i);
1314 if (var->type() == T_OBJECT) {
1315 array->obj_at_put(i, locals->at(i)->get_obj()());
1316 }
1317 }
1318 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array());
1319 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE);
1320
1321 JavaValue result(T_OBJECT);
1322 JavaCallArguments args(visitor);
1323 args.push_oop(frame_reference);
1324 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
1325 if (result.get_jobject() != NULL) {
1326 return JNIHandles::make_local(thread, (oop) result.get_jobject());
1327 }
1328 assert(initialSkip == 0, "There should be no match before initialSkip == 0");
1329 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) {
1330 // the frame has been deoptimized, we need to re-synchronize the frame and vframe
1331 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference());
1332 fst = StackFrameStream(thread);
1333 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1334 fst.next();
1335 }
1336 if (fst.current()->sp() != stack_pointer) {
1337 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1338 }
1339 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1340 if (!vf->is_compiled_frame()) {
1341 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1342 }
1343 for (int i = 0; i < frame_number; i++) {
1344 if (vf->is_top()) {
1345 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
1346 }
1347 vf = vf->sender();
1348 assert(vf->is_compiled_frame(), "Wrong frame type");
1349 }
1350 }
1351 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1352 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1353 }
1354
1355 if (vf->is_top()) {
1356 break;
1357 }
1358 frame_number++;
1359 vf = vf->sender();
1360 } // end of vframe loop
1361
1362 if (fst.is_done()) {
1363 break;
1364 }
1365 fst.next();
1366 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1367 frame_number = 0;
1368 } // end of frame loop
1369
1370 // the end was reached without finding a matching method
1371 return NULL;
1372 C2V_END
1373
1374 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1375 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1376 CallInfo callInfo;
1377 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1378 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1379 cp_cache_entry->set_dynamic_call(cp, callInfo);
1380 C2V_END
1381
1382 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1383 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1384 Klass* holder = cp->klass_ref_at(index, CHECK);
1385 Symbol* name = cp->name_ref_at(index);
1386 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1387 CallInfo callInfo;
1388 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1389 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1390 cp_cache_entry->set_method_handle(cp, callInfo);
1391 }
1392 C2V_END
1393
1394 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1395 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1396 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1397 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1398 // MethodHandle.invoke* --> LambdaForm?
1399 ResourceMark rm;
1400
1401 LinkInfo link_info(cp, index, CATCH);
1402
1403 Klass* resolved_klass = link_info.resolved_klass();
1404
1405 Symbol* name_sym = cp->name_ref_at(index);
1406
1407 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1408 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1409
1410 methodHandle adapter_method(THREAD, cp_cache_entry->f1_as_method());
1411
1412 methodHandle resolved_method(adapter_method);
1413
1414 // Can we treat it as a regular invokevirtual?
1415 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1416 vmassert(!resolved_method->is_static(),"!");
1417 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1418 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1419 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1420
1421 methodHandle m(THREAD, LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1422 vmassert(m == resolved_method, "!!");
1423 return -1;
1424 }
1425
1426 return Bytecodes::_invokevirtual;
1427 }
1428 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1429 return Bytecodes::_invokedynamic;
1430 }
1431 return -1;
1432 C2V_END
1433
1434
1435 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject))
1436 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL);
1437 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL);
1438 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL);
1439 JVMCIENV->put_object_at(holders, 0, mh);
1440 JVMCIENV->put_object_at(holders, 1, vh);
1441 return JVMCIENV->get_jobject(holders);
1442 C2V_END
1443
1444 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject))
1445 //see compute_recording_non_safepoints in debugInfroRec.cpp
1446 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1447 return true;
1448 }
1449 return DebugNonSafepoints;
1450 C2V_END
1451
1452 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1453 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate))
1454 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame);
1455 if (hs_frame.is_null()) {
1456 JVMCI_THROW_MSG(NullPointerException, "stack frame is null");
1457 }
1458
1459 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK);
1460
1461 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK);
1462
1463 // look for the given stack frame
1464 StackFrameStream fst(thread, false);
1465 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame);
1466 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1467 fst.next();
1468 }
1469 if (fst.current()->sp() != stack_pointer) {
1470 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found");
1471 }
1472
1473 if (invalidate) {
1474 if (!fst.current()->is_compiled_frame()) {
1475 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1476 }
1477 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1478 ((nmethod*) fst.current()->cb())->make_not_entrant();
1479 }
1480 Deoptimization::deoptimize(thread, *fst.current(), Deoptimization::Reason_none);
1481 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1482 StackFrameStream fstAfterDeopt(thread);
1483 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1484 fstAfterDeopt.next();
1485 }
1486 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1487 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt");
1488 }
1489
1490 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1491 if (!vf->is_compiled_frame()) {
1492 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1493 }
1494
1495 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1496 while (true) {
1497 assert(vf->is_compiled_frame(), "Wrong frame type");
1498 virtualFrames->push(compiledVFrame::cast(vf));
1499 if (vf->is_top()) {
1500 break;
1501 }
1502 vf = vf->sender();
1503 }
1504
1505 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame);
1506 if (last_frame_number >= virtualFrames->length()) {
1507 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number");
1508 }
1509
1510 // Reallocate the non-escaping objects and restore their fields.
1511 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1512 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1513
1514 if (objects == NULL) {
1515 // no objects to materialize
1516 return;
1517 }
1518
1519 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK);
1520 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1521
1522 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1523 compiledVFrame* cvf = virtualFrames->at(frame_index);
1524
1525 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1526 StackValueCollection* locals = cvf->locals();
1527 if (locals != NULL) {
1528 for (int i2 = 0; i2 < locals->size(); i2++) {
1529 StackValue* var = locals->at(i2);
1530 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1531 jvalue val;
1532 val.l = cast_from_oop<jobject>(locals->at(i2)->get_obj()());
1533 cvf->update_local(T_OBJECT, i2, val);
1534 }
1535 }
1536 }
1537
1538 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1539 StackValueCollection* expressions = cvf->expressions();
1540 if (expressions != NULL) {
1541 for (int i2 = 0; i2 < expressions->size(); i2++) {
1542 StackValue* var = expressions->at(i2);
1543 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1544 jvalue val;
1545 val.l = cast_from_oop<jobject>(expressions->at(i2)->get_obj()());
1546 cvf->update_stack(T_OBJECT, i2, val);
1547 }
1548 }
1549 }
1550
1551 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1552 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1553 if (monitors != NULL) {
1554 for (int i2 = 0; i2 < monitors->length(); i2++) {
1555 cvf->update_monitor(i2, monitors->at(i2));
1556 }
1557 }
1558 }
1559
1560 // all locals are materialized by now
1561 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL);
1562 // update the locals array
1563 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame);
1564 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1565 for (int i = 0; i < locals->size(); i++) {
1566 StackValue* var = locals->at(i);
1567 if (var->type() == T_OBJECT) {
1568 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()()));
1569 }
1570 }
1571 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE);
1572 C2V_END
1573
1574 // Creates a scope where the current thread is attached and detached
1575 // from HotSpot if it wasn't already attached when entering the scope.
1576 extern "C" void jio_printf(const char *fmt, ...);
1577 class AttachDetach : public StackObj {
1578 public:
1579 bool _attached;
1580 AttachDetach(JNIEnv* env, JavaThread* current_thread) {
1581 if (current_thread == NULL) {
1582 extern struct JavaVM_ main_vm;
1583 JNIEnv* hotspotEnv;
1584 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
1585 _attached = res == JNI_OK;
1586 static volatile int report_attach_error = 0;
1587 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(&report_attach_error, 0, 1) == 0) {
1588 // Only report an attach error once
1589 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res);
1590 }
1591 } else {
1592 _attached = false;
1593 }
1594 }
1595 ~AttachDetach() {
1596 if (_attached && get_current_thread() != NULL) {
1597 extern struct JavaVM_ main_vm;
1598 jint res = main_vm.DetachCurrentThread();
1599 static volatile int report_detach_error = 0;
1600 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(&report_detach_error, 0, 1) == 0) {
1601 // Only report an attach error once
1602 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res);
1603 }
1604 }
1605 }
1606 };
1607
1608 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw))
1609 AttachDetach ad(env, thread);
1610 bool use_tty = true;
1611 if (thread == NULL) {
1612 if (!ad._attached) {
1613 // Can only use tty if the current thread is attached
1614 JVMCI_event_1("Cannot write to tty on unattached thread");
1615 return 0;
1616 }
1617 thread = get_current_thread();
1618 }
1619 JVMCITraceMark jtm("writeDebugOutput");
1620 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length))
1621 if (bytes == NULL) {
1622 if (can_throw) {
1623 JVMCI_THROW_0(NullPointerException);
1624 }
1625 return -1;
1626 }
1627 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes);
1628
1629 // Check if offset and length are non negative.
1630 if (offset < 0 || length < 0) {
1631 if (can_throw) {
1632 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1633 }
1634 return -2;
1635 }
1636 // Check if the range is valid.
1637 int array_length = JVMCIENV->get_length(array);
1638 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) {
1639 if (can_throw) {
1640 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1641 }
1642 return -2;
1643 }
1644 jbyte buffer[O_BUFLEN];
1645 while (length > 0) {
1646 int copy_len = MIN2(length, (jint)O_BUFLEN);
1647 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len);
1648 tty->write((char*) buffer, copy_len);
1649 length -= O_BUFLEN;
1650 offset += O_BUFLEN;
1651 }
1652 if (flush) {
1653 tty->flush();
1654 }
1655 return 0;
1656 C2V_END
1657
1658 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject))
1659 tty->flush();
1660 C2V_END
1661
1662 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position))
1663 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1664 ProfileData* profile_data = mdo->data_at(position);
1665 if (mdo->is_valid(profile_data)) {
1666 return profile_data->size_in_bytes();
1667 }
1668 DataLayout* data = mdo->extra_data_base();
1669 DataLayout* end = mdo->extra_data_limit();
1670 for (;; data = mdo->next_extra(data)) {
1671 assert(data < end, "moved past end of extra data");
1672 profile_data = data->data_in();
1673 if (mdo->dp_to_di(profile_data->dp()) == position) {
1674 return profile_data->size_in_bytes();
1675 }
1676 }
1677 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position));
1678 C2V_END
1679
1680 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass))
1681 #if INCLUDE_AOT
1682 Klass *k = (Klass*) (address) metaspace_klass;
1683 if (k->is_instance_klass()) {
1684 return InstanceKlass::cast(k)->get_stored_fingerprint();
1685 } else {
1686 return 0;
1687 }
1688 #else
1689 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
1690 #endif
1691 C2V_END
1692
1693 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type))
1694 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type));
1695 InstanceKlass* host = k->unsafe_anonymous_host();
1696 JVMCIKlassHandle handle(THREAD, host);
1697 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
1698 return JVMCIENV->get_jobject(result);
1699 C2V_END
1700
1701 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type))
1702 if (jvmci_type == NULL) {
1703 JVMCI_THROW_0(NullPointerException);
1704 }
1705
1706 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1707 if (klass == NULL) {
1708 JVMCI_THROW_0(NullPointerException);
1709 }
1710 if (!klass->is_instance_klass()) {
1711 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
1712 }
1713 InstanceKlass* iklass = InstanceKlass::cast(klass);
1714
1715 // Regular instance klass, fill in all local interfaces
1716 int size = iklass->local_interfaces()->length();
1717 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL);
1718 for (int index = 0; index < size; index++) {
1719 JVMCIKlassHandle klass(THREAD);
1720 Klass* k = iklass->local_interfaces()->at(index);
1721 klass = k;
1722 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
1723 JVMCIENV->put_object_at(interfaces, index, type);
1724 }
1725 return JVMCIENV->get_jobject(interfaces);
1726 C2V_END
1727
1728 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type))
1729 if (jvmci_type == NULL) {
1730 JVMCI_THROW_0(NullPointerException);
1731 }
1732
1733 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1734 oop mirror = klass->java_mirror();
1735 if (java_lang_Class::is_primitive(mirror) ||
1736 !java_lang_Class::as_Klass(mirror)->is_array_klass()) {
1737 return NULL;
1738 }
1739
1740 oop component_mirror = java_lang_Class::component_mirror(mirror);
1741 if (component_mirror == NULL) {
1742 return NULL;
1743 }
1744 Klass* component_klass = java_lang_Class::as_Klass(component_mirror);
1745 if (component_klass != NULL) {
1746 JVMCIKlassHandle klass_handle(THREAD);
1747 klass_handle = component_klass;
1748 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
1749 return JVMCIENV->get_jobject(result);
1750 }
1751 BasicType type = java_lang_Class::primitive_type(component_mirror);
1752 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type);
1753 return JVMCIENV->get_jobject(result);
1754 C2V_END
1755
1756 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type))
1757 if (jvmci_type == NULL) {
1758 JVMCI_THROW(NullPointerException);
1759 }
1760
1761 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1762 if (klass != NULL && klass->should_be_initialized()) {
1763 InstanceKlass* k = InstanceKlass::cast(klass);
1764 k->initialize(CHECK);
1765 }
1766 C2V_END
1767
1768 C2V_VMENTRY(void, ensureLinked, (JNIEnv* env, jobject, jobject jvmci_type))
1769 if (jvmci_type == NULL) {
1770 JVMCI_THROW(NullPointerException);
1771 }
1772
1773 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1774 if (klass != NULL && klass->is_instance_klass()) {
1775 InstanceKlass* k = InstanceKlass::cast(klass);
1776 k->link_class(CHECK);
1777 }
1778 C2V_END
1779
1780 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle))
1781 if (bytecode_frame_handle == NULL) {
1782 JVMCI_THROW_0(NullPointerException);
1783 }
1784
1785 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle);
1786 JVMCIObject bytecode_frame = top_bytecode_frame;
1787 int size = 0;
1788 int callee_parameters = 0;
1789 int callee_locals = 0;
1790 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1791 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1792
1793 while (bytecode_frame.is_non_null()) {
1794 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame);
1795 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1796 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame));
1797 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1798
1799 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1800 temps + callee_parameters,
1801 extra_args,
1802 locks,
1803 callee_parameters,
1804 callee_locals,
1805 is_top_frame);
1806 size += frame_size;
1807
1808 callee_parameters = method->size_of_parameters();
1809 callee_locals = method->max_locals();
1810 extra_args = 0;
1811 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame);
1812 }
1813 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1814 C2V_END
1815
1816 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle))
1817 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK);
1818 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1819 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode");
1820 JavaValue result(T_VOID);
1821 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1822 } else {
1823 JVMCI_THROW_MSG(IllegalArgumentException,
1824 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()))
1825 }
1826 C2V_END
1827
1828 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object))
1829 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1830 return obj->identity_hash();
1831 C2V_END
1832
1833 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object))
1834 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1835 if (!java_lang_String::is_instance(str())) {
1836 return false;
1837 }
1838 int len;
1839 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_false);
1840 return (StringTable::lookup(name, len) != NULL);
1841 C2V_END
1842
1843
1844 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object))
1845 if (object == NULL) {
1846 JVMCI_THROW_0(NullPointerException);
1847 }
1848 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
1849 BasicType type = java_lang_boxing_object::basic_type(box());
1850 jvalue result;
1851 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) {
1852 return NULL;
1853 }
1854 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL);
1855 return JVMCIENV->get_jobject(boxResult);
1856 C2V_END
1857
1858 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object))
1859 if (object == NULL) {
1860 JVMCI_THROW_0(NullPointerException);
1861 }
1862 JVMCIObject box = JVMCIENV->wrap(object);
1863 BasicType type = JVMCIENV->get_box_type(box);
1864 if (type == T_ILLEGAL) {
1865 return NULL;
1866 }
1867 jvalue value = JVMCIENV->get_boxed_value(type, box);
1868 JavaValue box_result(T_OBJECT);
1869 JavaCallArguments jargs;
1870 Klass* box_klass = NULL;
1871 Symbol* box_signature = NULL;
1872 #define BOX_CASE(bt, v, argtype, name) \
1873 case bt: \
1874 jargs.push_##argtype(value.v); \
1875 box_klass = SystemDictionary::name##_klass(); \
1876 box_signature = vmSymbols::name##_valueOf_signature(); \
1877 break
1878
1879 switch (type) {
1880 BOX_CASE(T_BOOLEAN, z, int, Boolean);
1881 BOX_CASE(T_BYTE, b, int, Byte);
1882 BOX_CASE(T_CHAR, c, int, Character);
1883 BOX_CASE(T_SHORT, s, int, Short);
1884 BOX_CASE(T_INT, i, int, Integer);
1885 BOX_CASE(T_LONG, j, long, Long);
1886 BOX_CASE(T_FLOAT, f, float, Float);
1887 BOX_CASE(T_DOUBLE, d, double, Double);
1888 default:
1889 ShouldNotReachHere();
1890 }
1891 #undef BOX_CASE
1892
1893 JavaCalls::call_static(&box_result,
1894 box_klass,
1895 vmSymbols::valueOf_name(),
1896 box_signature, &jargs, CHECK_NULL);
1897 oop hotspot_box = (oop) box_result.get_jobject();
1898 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false);
1899 return JVMCIENV->get_jobject(result);
1900 C2V_END
1901
1902 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder))
1903 if (holder == NULL) {
1904 JVMCI_THROW_0(NullPointerException);
1905 }
1906 Klass* klass = JVMCIENV->asKlass(holder);
1907 if (!klass->is_instance_klass()) {
1908 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1909 return JVMCIENV->get_jobjectArray(methods);
1910 }
1911
1912 InstanceKlass* iklass = InstanceKlass::cast(klass);
1913 // Ensure class is linked
1914 iklass->link_class(CHECK_NULL);
1915
1916 GrowableArray<Method*> constructors_array;
1917 for (int i = 0; i < iklass->methods()->length(); i++) {
1918 Method* m = iklass->methods()->at(i);
1919 if (m->is_initializer() && !m->is_static()) {
1920 constructors_array.append(m);
1921 }
1922 }
1923 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL);
1924 for (int i = 0; i < constructors_array.length(); i++) {
1925 methodHandle ctor(THREAD, constructors_array.at(i));
1926 JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL);
1927 JVMCIENV->put_object_at(methods, i, method);
1928 }
1929 return JVMCIENV->get_jobjectArray(methods);
1930 C2V_END
1931
1932 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder))
1933 if (holder == NULL) {
1934 JVMCI_THROW_0(NullPointerException);
1935 }
1936 Klass* klass = JVMCIENV->asKlass(holder);
1937 if (!klass->is_instance_klass()) {
1938 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1939 return JVMCIENV->get_jobjectArray(methods);
1940 }
1941
1942 InstanceKlass* iklass = InstanceKlass::cast(klass);
1943 // Ensure class is linked
1944 iklass->link_class(CHECK_NULL);
1945
1946 GrowableArray<Method*> methods_array;
1947 for (int i = 0; i < iklass->methods()->length(); i++) {
1948 Method* m = iklass->methods()->at(i);
1949 if (!m->is_initializer() && !m->is_overpass()) {
1950 methods_array.append(m);
1951 }
1952 }
1953 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL);
1954 for (int i = 0; i < methods_array.length(); i++) {
1955 methodHandle mh(THREAD, methods_array.at(i));
1956 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1957 JVMCIENV->put_object_at(methods, i, method);
1958 }
1959 return JVMCIENV->get_jobjectArray(methods);
1960 C2V_END
1961
1962 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile))
1963 if (object == NULL || field == NULL) {
1964 JVMCI_THROW_0(NullPointerException);
1965 }
1966 JVMCIObject field_object = JVMCIENV->wrap(field);
1967 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object);
1968 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object);
1969 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object));
1970 if (!holder->is_instance_klass()) {
1971 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name()));
1972 }
1973 InstanceKlass* ik = InstanceKlass::cast(holder);
1974 BasicType constant_type;
1975 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) {
1976 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL);
1977 } else {
1978 constant_type = T_OBJECT;
1979 }
1980 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object);
1981 fieldDescriptor fd;
1982 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) {
1983 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement));
1984 }
1985 JVMCIObject base = JVMCIENV->wrap(object);
1986 Handle obj;
1987 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) {
1988 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL);
1989 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) {
1990 Klass* klass = JVMCIENV->asKlass(base);
1991 obj = Handle(THREAD, klass->java_mirror());
1992 } else {
1993 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
1994 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base)));
1995 }
1996 jlong value = 0;
1997 JVMCIObject kind;
1998 switch (constant_type) {
1999 case T_OBJECT: {
2000 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement);
2001 JVMCIObject result = JVMCIENV->get_object_constant(object);
2002 if (result.is_null()) {
2003 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER());
2004 }
2005 return JVMCIENV->get_jobject(result);
2006 }
2007 case T_FLOAT: {
2008 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement);
2009 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL);
2010 return JVMCIENV->get_jobject(result);
2011 }
2012 case T_DOUBLE: {
2013 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement);
2014 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL);
2015 return JVMCIENV->get_jobject(result);
2016 }
2017 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break;
2018 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break;
2019 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break;
2020 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break;
2021 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break;
2022 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break;
2023 default:
2024 ShouldNotReachHere();
2025 }
2026 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL);
2027 return JVMCIENV->get_jobject(result);
2028 C2V_END
2029
2030 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object))
2031 if (object == NULL || holder == NULL) {
2032 JVMCI_THROW_0(NullPointerException);
2033 }
2034 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
2035 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2036 return obj->is_a(klass);
2037 C2V_END
2038
2039 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder))
2040 if (holder == NULL || otherHolder == NULL) {
2041 JVMCI_THROW_0(NullPointerException);
2042 }
2043 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2044 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder));
2045 return otherKlass->is_subtype_of(klass);
2046 C2V_END
2047
2048 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder))
2049 if (holder == NULL) {
2050 JVMCI_THROW_0(NullPointerException);
2051 }
2052 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder)));
2053 if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) {
2054 return true;
2055 }
2056 return false;
2057 C2V_END
2058
2059 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object))
2060 if (object == NULL) {
2061 JVMCI_THROW_0(NullPointerException);
2062 }
2063 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2064 if (java_lang_Class::is_instance(obj())) {
2065 if (java_lang_Class::is_primitive(obj())) {
2066 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj()));
2067 return JVMCIENV->get_jobject(type);
2068 }
2069 Klass* klass = java_lang_Class::as_Klass(obj());
2070 JVMCIKlassHandle klass_handle(THREAD);
2071 klass_handle = klass;
2072 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
2073 return JVMCIENV->get_jobject(type);
2074 }
2075 return NULL;
2076 C2V_END
2077
2078
2079 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object))
2080 if (object == NULL) {
2081 JVMCI_THROW_0(NullPointerException);
2082 }
2083 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2084 const char* str = java_lang_String::as_utf8_string(obj());
2085 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL);
2086 return JVMCIENV->get_jobject(result);
2087 C2V_END
2088
2089
2090 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle))
2091 if (x == NULL || y == NULL) {
2092 JVMCI_THROW_0(NullPointerException);
2093 }
2094 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle);
2095 C2V_END
2096
2097 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object))
2098 if (object == NULL) {
2099 JVMCI_THROW_0(NullPointerException);
2100 }
2101 JVMCIObject base_object = JVMCIENV->wrap(object);
2102 Handle mirror;
2103 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
2104 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror());
2105 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) {
2106 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL);
2107 } else {
2108 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2109 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
2110 }
2111 JVMCIObject result = JVMCIENV->get_object_constant(mirror());
2112 return JVMCIENV->get_jobject(result);
2113 C2V_END
2114
2115
2116 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x))
2117 if (x == NULL) {
2118 JVMCI_THROW_0(NullPointerException);
2119 }
2120 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2121 if (xobj->klass()->is_array_klass()) {
2122 return arrayOop(xobj())->length();
2123 }
2124 return -1;
2125 C2V_END
2126
2127
2128 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index))
2129 if (x == NULL) {
2130 JVMCI_THROW_0(NullPointerException);
2131 }
2132 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL);
2133 if (xobj->klass()->is_array_klass()) {
2134 arrayOop array = arrayOop(xobj());
2135 BasicType element_type = ArrayKlass::cast(array->klass())->element_type();
2136 if (index < 0 || index >= array->length()) {
2137 return NULL;
2138 }
2139 JVMCIObject result;
2140
2141 if (element_type == T_OBJECT) {
2142 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index));
2143 if (result.is_null()) {
2144 result = JVMCIENV->get_JavaConstant_NULL_POINTER();
2145 }
2146 } else {
2147 jvalue value;
2148 switch (element_type) {
2149 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break;
2150 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break;
2151 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break;
2152 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break;
2153 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break;
2154 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break;
2155 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break;
2156 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break;
2157 default: ShouldNotReachHere();
2158 }
2159 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL);
2160 }
2161 assert(!result.is_null(), "must have a value");
2162 return JVMCIENV->get_jobject(result);
2163 }
2164 return NULL;;
2165 C2V_END
2166
2167
2168 C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind))
2169 if (kind == NULL) {
2170 JVMCI_THROW_0(NullPointerException);
2171 }
2172 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2173 return arrayOopDesc::header_size(type) * HeapWordSize;
2174 C2V_END
2175
2176 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind))
2177 if (kind == NULL) {
2178 JVMCI_THROW_0(NullPointerException);
2179 }
2180 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2181 return type2aelembytes(type);
2182 C2V_END
2183
2184 C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement))
2185 if (x == NULL) {
2186 JVMCI_THROW_0(NullPointerException);
2187 }
2188 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2189 return xobj->byte_field(displacement);
2190 }
2191
2192 C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement))
2193 if (x == NULL) {
2194 JVMCI_THROW_0(NullPointerException);
2195 }
2196 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2197 return xobj->short_field(displacement);
2198 }
2199
2200 C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement))
2201 if (x == NULL) {
2202 JVMCI_THROW_0(NullPointerException);
2203 }
2204 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2205 return xobj->int_field(displacement);
2206 }
2207
2208 C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement))
2209 if (x == NULL) {
2210 JVMCI_THROW_0(NullPointerException);
2211 }
2212 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2213 return xobj->long_field(displacement);
2214 }
2215
2216 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement))
2217 if (x == NULL) {
2218 JVMCI_THROW_0(NullPointerException);
2219 }
2220 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2221 oop res = xobj->obj_field(displacement);
2222 JVMCIObject result = JVMCIENV->get_object_constant(res);
2223 return JVMCIENV->get_jobject(result);
2224 }
2225
2226 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h))
2227 jobject handle = (jobject)(address)h;
2228 if (handle != NULL) {
2229 JVMCIENV->runtime()->destroy_global(handle);
2230 }
2231 }
2232
2233 static void requireJVMCINativeLibrary(JVMCI_TRAPS) {
2234 if (!UseJVMCINativeLibrary) {
2235 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)");
2236 }
2237 }
2238
2239 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror))
2240 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2241 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL);
2242 char* sl_path;
2243 void* sl_handle;
2244 JVMCIRuntime* runtime = JVMCI::compiler_runtime();
2245 {
2246 // Ensure the JVMCI shared library runtime is initialized.
2247 JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__);
2248 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2249 HandleMark hm;
2250 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv);
2251 if (peerEnv->has_pending_exception()) {
2252 peerEnv->describe_pending_exception(true);
2253 }
2254 sl_handle = JVMCI::get_shared_library(sl_path, false);
2255 if (sl_handle == NULL) {
2256 JVMCI_THROW_MSG_0(InternalError, err_msg("Error initializing JVMCI runtime %d", runtime->id()));
2257 }
2258 }
2259
2260 if (mirror == NULL) {
2261 JVMCI_THROW_0(NullPointerException);
2262 }
2263 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
2264 if (klass == NULL || !klass->is_instance_klass()) {
2265 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type");
2266 }
2267
2268 InstanceKlass* iklass = InstanceKlass::cast(klass);
2269 for (int i = 0; i < iklass->methods()->length(); i++) {
2270 methodHandle method(THREAD, iklass->methods()->at(i));
2271 if (method->is_native()) {
2272
2273 // Compute argument size
2274 int args_size = 1 // JNIEnv
2275 + (method->is_static() ? 1 : 0) // class for static methods
2276 + method->size_of_parameters(); // actual parameters
2277
2278 // 1) Try JNI short style
2279 stringStream st;
2280 char* pure_name = NativeLookup::pure_jni_name(method);
2281 os::print_jni_name_prefix_on(&st, args_size);
2282 st.print_raw(pure_name);
2283 os::print_jni_name_suffix_on(&st, args_size);
2284 char* jni_name = st.as_string();
2285
2286 address entry = (address) os::dll_lookup(sl_handle, jni_name);
2287 if (entry == NULL) {
2288 // 2) Try JNI long style
2289 st.reset();
2290 char* long_name = NativeLookup::long_jni_name(method);
2291 os::print_jni_name_prefix_on(&st, args_size);
2292 st.print_raw(pure_name);
2293 st.print_raw(long_name);
2294 os::print_jni_name_suffix_on(&st, args_size);
2295 char* jni_long_name = st.as_string();
2296 entry = (address) os::dll_lookup(sl_handle, jni_long_name);
2297 if (entry == NULL) {
2298 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]",
2299 method->name_and_sig_as_C_string(),
2300 jni_name, jni_long_name, sl_path));
2301 }
2302 }
2303
2304 if (method->has_native_function() && entry != method->native_function()) {
2305 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]",
2306 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry)));
2307 }
2308 method->set_native_function(entry, Method::native_bind_event_is_interesting);
2309 log_debug(jni, resolve)("[Dynamic-linking native method %s.%s ... JNI] @ " PTR_FORMAT,
2310 method->method_holder()->external_name(),
2311 method->name()->as_C_string(),
2312 p2i((void*) entry));
2313 }
2314 }
2315
2316 typeArrayOop info_oop = oopFactory::new_longArray(4, CHECK_0);
2317 jlongArray info = (jlongArray) JNIHandles::make_local(THREAD, info_oop);
2318 runtime->init_JavaVM_info(info, JVMCI_CHECK_0);
2319 return info;
2320 }
2321
2322 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm))
2323 if (thread == NULL) {
2324 // Called from unattached JVMCI shared library thread
2325 return false;
2326 }
2327 JVMCITraceMark jtm("isCurrentThreadAttached");
2328 if (thread->jni_environment() == env) {
2329 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject))
2330 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2331 JVMCIRuntime* runtime = JVMCI::compiler_runtime();
2332 if (runtime == NULL || !runtime->has_shared_library_javavm()) {
2333 JVMCI_THROW_MSG_0(IllegalStateException, "Require JVMCI shared library JavaVM to be initialized in isCurrentThreadAttached");
2334 }
2335 JNIEnv* peerEnv;
2336 return runtime->GetEnv(thread, (void**) &peerEnv, JNI_VERSION_1_2) == JNI_OK;
2337 }
2338 return true;
2339 C2V_END
2340
2341 C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm))
2342 if (thread == NULL) {
2343 // Called from unattached JVMCI shared library thread
2344 return 0L;
2345 }
2346 JVMCITraceMark jtm("getCurrentJavaThread");
2347 return (jlong) p2i(thread);
2348 C2V_END
2349
2350 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon))
2351 if (thread == NULL) {
2352 // Called from unattached JVMCI shared library thread
2353 extern struct JavaVM_ main_vm;
2354 JNIEnv* hotspotEnv;
2355 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**) &hotspotEnv, NULL) :
2356 main_vm.AttachCurrentThread((void**) &hotspotEnv, NULL);
2357 if (res != JNI_OK) {
2358 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false);
2359 }
2360 return true;
2361 }
2362 JVMCITraceMark jtm("attachCurrentThread");
2363 if (thread->jni_environment() == env) {
2364 // Called from HotSpot
2365 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean))
2366 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2367 JVMCIRuntime* runtime = JVMCI::compiler_runtime();
2368 if (runtime == NULL || !runtime->has_shared_library_javavm()) {
2369 JVMCI_THROW_MSG_0(IllegalStateException, "Require JVMCI shared library JavaVM to be initialized in attachCurrentThread");
2370 }
2371
2372 JavaVMAttachArgs attach_args;
2373 attach_args.version = JNI_VERSION_1_2;
2374 attach_args.name = thread->name();
2375 attach_args.group = NULL;
2376 JNIEnv* peerJNIEnv;
2377 if (runtime->GetEnv(thread, (void**) &peerJNIEnv, JNI_VERSION_1_2) == JNI_OK) {
2378 return false;
2379 }
2380 jint res = as_daemon ? runtime->AttachCurrentThreadAsDaemon(thread, (void**) &peerJNIEnv, &attach_args) :
2381 runtime->AttachCurrentThread(thread, (void**) &peerJNIEnv, &attach_args);
2382
2383 if (res == JNI_OK) {
2384 guarantee(peerJNIEnv != NULL, "must be");
2385 JVMCI_event_1("attached to JavaVM for JVMCI runtime %d", runtime->id());
2386 return true;
2387 }
2388 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name));
2389 }
2390 // Called from JVMCI shared library
2391 return false;
2392 C2V_END
2393
2394 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm))
2395 if (thread == NULL) {
2396 // Called from unattached JVMCI shared library thread
2397 JNI_THROW("detachCurrentThread", IllegalStateException, "Cannot detach non-attached thread");
2398 }
2399 JVMCITraceMark jtm("detachCurrentThread");
2400 if (thread->jni_environment() == env) {
2401 // Called from HotSpot
2402 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject))
2403 requireJVMCINativeLibrary(JVMCI_CHECK);
2404 requireInHotSpot("detachCurrentThread", JVMCI_CHECK);
2405 JVMCIRuntime* runtime = JVMCI::compiler_runtime();
2406 if (runtime == NULL || !runtime->has_shared_library_javavm()) {
2407 JVMCI_THROW_MSG(IllegalStateException, "Require JVMCI shared library JavaVM to be initialized in detachCurrentThread");
2408 }
2409 JNIEnv* peerJNIEnv;
2410 if (runtime->GetEnv(thread, (void**) &peerJNIEnv, JNI_VERSION_1_2) != JNI_OK) {
2411 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name()));
2412 }
2413 jint res = runtime->DetachCurrentThread(thread);
2414 if (res != JNI_OK) {
2415 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name()));
2416 }
2417 } else {
2418 // Called from attached JVMCI shared library thread
2419 extern struct JavaVM_ main_vm;
2420 jint res = main_vm.DetachCurrentThread();
2421 if (res != JNI_OK) {
2422 JNI_THROW("detachCurrentThread", InternalError, "Cannot detach non-attached thread");
2423 }
2424 }
2425 C2V_END
2426
2427 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle))
2428 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2429 if (obj_handle == NULL) {
2430 return 0L;
2431 }
2432 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__);
2433 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2434 JVMCIEnv* thisEnv = JVMCIENV;
2435
2436 JVMCIObject obj = thisEnv->wrap(obj_handle);
2437 JVMCIObject result;
2438 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) {
2439 methodHandle method(THREAD, thisEnv->asMethod(obj));
2440 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0);
2441 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) {
2442 Klass* klass = thisEnv->asKlass(obj);
2443 JVMCIKlassHandle klass_handle(THREAD);
2444 klass_handle = klass;
2445 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0);
2446 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) {
2447 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0);
2448 result = peerEnv->get_jvmci_primitive_type(type);
2449 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) ||
2450 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) {
2451 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0);
2452 result = peerEnv->get_object_constant(constant());
2453 } else if (thisEnv->isa_HotSpotNmethod(obj)) {
2454 nmethodLocker locker;
2455 nmethod* nm = JVMCIENV->get_nmethod(obj, locker);
2456 if (nm != NULL) {
2457 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2458 if (data != NULL) {
2459 if (peerEnv->is_hotspot()) {
2460 // Only the mirror in the HotSpot heap is accessible
2461 // through JVMCINMethodData
2462 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true);
2463 if (nmethod_mirror != NULL) {
2464 result = HotSpotJVMCI::wrap(nmethod_mirror);
2465 }
2466 }
2467 }
2468 }
2469 if (result.is_null()) {
2470 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj);
2471 methodHandle mh(THREAD, thisEnv->asMethod(methodObject));
2472 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj);
2473 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj);
2474 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj);
2475 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string);
2476 // Create a new HotSpotNmethod instance in the peer runtime
2477 result = peerEnv->new_HotSpotNmethod(mh, cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0);
2478 if (nm == NULL) {
2479 // nmethod must have been unloaded
2480 } else {
2481 // Link the new HotSpotNmethod to the nmethod
2482 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0);
2483 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime.
2484 if (peerEnv->is_hotspot()) {
2485 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2486 if (data == NULL) {
2487 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod");
2488 }
2489 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) {
2490 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod");
2491 }
2492 oop nmethod_mirror = HotSpotJVMCI::resolve(result);
2493 data->set_nmethod_mirror(nm, nmethod_mirror);
2494 }
2495 }
2496 }
2497 } else {
2498 JVMCI_THROW_MSG_0(IllegalArgumentException,
2499 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj)));
2500 }
2501 return (jlong) peerEnv->make_global(result).as_jobject();
2502 }
2503
2504 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle))
2505 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2506 if (obj_handle == 0L) {
2507 return NULL;
2508 }
2509 jobject global_handle = (jobject) obj_handle;
2510 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle);
2511 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject();
2512
2513 JVMCIENV->destroy_global(global_handle_obj);
2514 return result;
2515 }
2516
2517 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle))
2518 JVMCIObject code = JVMCIENV->wrap(code_handle);
2519 // Execute this operation for the side effect of updating the InstalledCode state
2520 nmethodLocker locker;
2521 JVMCIENV->get_nmethod(code, locker);
2522 }
2523
2524 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle))
2525 JVMCIObject code = JVMCIENV->wrap(code_handle);
2526 nmethodLocker locker;
2527 CodeBlob* cb = JVMCIENV->get_code_blob(code, locker);
2528 if (cb == NULL) {
2529 return NULL;
2530 }
2531 int code_size = cb->code_size();
2532 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
2533 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size);
2534 return JVMCIENV->get_jbyteArray(result);
2535 }
2536
2537 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
2538 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL);
2539 methodHandle m(THREAD, JVMCIENV->asMethod(jvmci_method));
2540 oop executable;
2541 if (m->is_initializer()) {
2542 if (m->is_static_initializer()) {
2543 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2544 "Cannot create java.lang.reflect.Method for class initializer");
2545 }
2546 executable = Reflection::new_constructor(m, CHECK_NULL);
2547 } else {
2548 executable = Reflection::new_method(m, false, CHECK_NULL);
2549 }
2550 return JNIHandles::make_local(THREAD, executable);
2551 }
2552
2553 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
2554 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL);
2555 Klass* klass = JVMCIENV->asKlass(jvmci_type);
2556 if (!klass->is_instance_klass()) {
2557 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2558 err_msg("Expected non-primitive type, got %s", klass->external_name()));
2559 }
2560 InstanceKlass* iklass = InstanceKlass::cast(klass);
2561 Array<u2>* fields = iklass->fields();
2562 if (index < 0 ||index > fields->length()) {
2563 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2564 err_msg("Field index %d out of bounds for %s", index, klass->external_name()));
2565 }
2566 fieldDescriptor fd(iklass, index);
2567 oop reflected = Reflection::new_field(&fd, CHECK_NULL);
2568 return JNIHandles::make_local(THREAD, reflected);
2569 }
2570
2571 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current))
2572 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address);
2573 int result_length = 0;
2574 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) {
2575 result_length++;
2576 }
2577 int current_length = 0;
2578 JVMCIObjectArray current_array = NULL;
2579 if (current != NULL) {
2580 current_array = JVMCIENV->wrap(current);
2581 current_length = JVMCIENV->get_length(current_array);
2582 if (current_length == result_length) {
2583 // No new failures
2584 return current;
2585 }
2586 }
2587 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL);
2588 int result_index = 0;
2589 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) {
2590 assert(fs != NULL, "npe");
2591 JVMCIPrimitiveArray entry;
2592 if (result_index < current_length) {
2593 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index);
2594 } else {
2595 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL);
2596 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len());
2597 }
2598 JVMCIENV->put_object_at(result, result_index++, entry);
2599 }
2600 return JVMCIENV->get_jobjectArray(result);
2601 }
2602
2603 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method))
2604 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
2605 MethodData* method_data = method->method_data();
2606 if (method_data == NULL) {
2607 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
2608 method_data = MethodData::allocate(loader_data, method, CHECK_0);
2609 method->set_method_data(method_data);
2610 }
2611 return (jlong) method_data->get_failed_speculations_address();
2612 }
2613
2614 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address))
2615 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address);
2616 }
2617
2618 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj))
2619 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj);
2620 int speculation_len = JVMCIENV->get_length(speculation_handle);
2621 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len);
2622 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len);
2623 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len);
2624 }
2625
2626 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status))
2627 JavaValue result(T_VOID);
2628 JavaCallArguments jargs(1);
2629 jargs.push_int(status);
2630 JavaCalls::call_static(&result,
2631 SystemDictionary::System_klass(),
2632 vmSymbols::exit_method_name(),
2633 vmSymbols::int_void_signature(),
2634 &jargs,
2635 CHECK);
2636 }
2637
2638 C2V_VMENTRY_0(jlong, ticksNow, (JNIEnv* env, jobject))
2639 return CompilerEvent::ticksNow();
2640 }
2641
2642 C2V_VMENTRY_0(jint, registerCompilerPhases, (JNIEnv* env, jobject, jobjectArray jphases))
2643 #if INCLUDE_JFR
2644 if (jphases == NULL) {
2645 return -1;
2646 }
2647 JVMCIObjectArray phases = JVMCIENV->wrap(jphases);
2648 int len = JVMCIENV->get_length(phases);
2649 GrowableArray<const char*>* jvmci_phase_names = new GrowableArray<const char*>(len);
2650 for (int i = 0; i < len; i++) {
2651 JVMCIObject phase = JVMCIENV->get_object_at(phases, i);
2652 jvmci_phase_names->append(strdup(JVMCIENV->as_utf8_string(phase)));
2653 }
2654 return CompilerEvent::PhaseEvent::register_phases(jvmci_phase_names);
2655 #else
2656 return -1;
2657 #endif // !INCLUDE_JFR
2658 }
2659
2660 C2V_VMENTRY(void, notifyCompilerPhaseEvent, (JNIEnv* env, jobject, jlong startTime, jint phase, jint compileId, jint level))
2661 EventCompilerPhase event;
2662 if (event.should_commit()) {
2663 CompilerEvent::PhaseEvent::post(event, startTime, phase, compileId, level);
2664 }
2665 }
2666
2667 C2V_VMENTRY(void, notifyCompilerInliningEvent, (JNIEnv* env, jobject, jint compileId, jobject caller, jobject callee, jboolean succeeded, jstring jmessage, jint bci))
2668 EventCompilerInlining event;
2669 if (event.should_commit()) {
2670 Method* caller_method = JVMCIENV->asMethod(caller);
2671 Method* callee_method = JVMCIENV->asMethod(callee);
2672 JVMCIObject message = JVMCIENV->wrap(jmessage);
2673 CompilerEvent::InlineEvent::post(event, compileId, caller_method, callee_method, succeeded, JVMCIENV->as_utf8_string(message), bci);
2674 }
2675 }
2676
2677 #define CC (char*) /*cast a literal from (const char*)*/
2678 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
2679
2680 #define STRING "Ljava/lang/String;"
2681 #define OBJECT "Ljava/lang/Object;"
2682 #define CLASS "Ljava/lang/Class;"
2683 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;"
2684 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;"
2685 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
2686 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
2687 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
2688 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
2689 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
2690 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;"
2691 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
2692 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
2693 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
2694 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
2695 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;"
2696 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;"
2697 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;"
2698 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;"
2699 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
2700 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
2701 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
2702 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
2703 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
2704 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
2705 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;"
2706 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;"
2707 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;"
2708 #define METASPACE_METHOD_DATA "J"
2709
2710 JNINativeMethod CompilerToVM::methods[] = {
2711 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
2712 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
2713 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
2714 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
2715 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
2716 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
2717 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
2718 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
2719 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
2720 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
2721 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
2722 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)},
2723 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)},
2724 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)},
2725 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
2726 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
2727 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
2728 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
2729 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
2730 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)},
2731 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
2732 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
2733 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)},
2734 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
2735 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
2736 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
2737 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
2738 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
2739 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
2740 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
2741 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
2742 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
2743 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
2744 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
2745 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
2746 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
2747 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
2748 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)},
2749 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
2750 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)},
2751 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
2752 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
2753 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
2754 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)},
2755 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
2756 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
2757 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
2758 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
2759 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)},
2760 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)},
2761 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
2762 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)},
2763 {CC "setCountersSize", CC "(I)V", FN_PTR(setCountersSize)},
2764 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
2765 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
2766 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
2767 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
2768 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
2769 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
2770 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
2771 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)},
2772 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
2773 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
2774 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
2775 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
2776 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
2777 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)},
2778 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
2779 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)},
2780 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)},
2781 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)},
2782 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)},
2783 {CC "ensureLinked", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureLinked)},
2784 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)},
2785 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)},
2786 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)},
2787 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)},
2788 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)},
2789 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)},
2790 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2791 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2792 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)},
2793 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)},
2794 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)},
2795 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)},
2796 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)},
2797 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)},
2798 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)},
2799 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)},
2800 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)},
2801 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)},
2802 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)},
2803 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)},
2804 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)},
2805 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)},
2806 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)},
2807 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)},
2808 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)},
2809 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)},
2810 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)},
2811 {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)},
2812 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)},
2813 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)},
2814 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)},
2815 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)},
2816 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)},
2817 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)},
2818 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)},
2819 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)},
2820 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)},
2821 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)},
2822 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)},
2823 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)},
2824 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)},
2825 {CC "ticksNow", CC "()J", FN_PTR(ticksNow)},
2826 {CC "registerCompilerPhases", CC "([" STRING ")I", FN_PTR(registerCompilerPhases)},
2827 {CC "notifyCompilerPhaseEvent", CC "(JIII)V", FN_PTR(notifyCompilerPhaseEvent)},
2828 {CC "notifyCompilerInliningEvent", CC "(I" HS_RESOLVED_METHOD HS_RESOLVED_METHOD "ZLjava/lang/String;I)V", FN_PTR(notifyCompilerInliningEvent)},
2829 };
2830
2831 int CompilerToVM::methods_count() {
2832 return sizeof(methods) / sizeof(JNINativeMethod);
2833 }