1 /*
2 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include "precompiled.hpp"
25 #include "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/disassembler.hpp"
32 #include "interpreter/linkResolver.hpp"
33 #include "interpreter/bytecodeStream.hpp"
34 #include "jvmci/jvmciCompilerToVM.hpp"
35 #include "jvmci/jvmciCodeInstaller.hpp"
36 #include "jvmci/jvmciRuntime.hpp"
37 #include "logging/log.hpp"
38 #include "logging/logTag.hpp"
39 #include "memory/oopFactory.hpp"
40 #include "memory/universe.hpp"
41 #include "oops/constantPool.inline.hpp"
42 #include "oops/method.inline.hpp"
43 #include "oops/typeArrayOop.inline.hpp"
44 #include "prims/nativeLookup.hpp"
45 #include "runtime/atomic.hpp"
46 #include "runtime/deoptimization.hpp"
47 #include "runtime/fieldDescriptor.inline.hpp"
48 #include "runtime/frame.inline.hpp"
49 #include "runtime/interfaceSupport.inline.hpp"
50 #include "runtime/jniHandles.inline.hpp"
51 #include "runtime/timerTrace.hpp"
52 #include "runtime/vframe_hp.hpp"
53
54 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
55 _thread = thread;
56 _klass = klass;
57 if (klass != NULL) {
58 _holder = Handle(_thread, klass->klass_holder());
59 }
60 }
61
62 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
63 _klass = klass;
64 if (klass != NULL) {
65 _holder = Handle(_thread, klass->klass_holder());
66 }
67 return *this;
68 }
69
70 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) {
71 if (!JVMCIENV->is_hotspot()) {
72 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller));
73 }
74 }
75
76 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) {
77 if (thread != NULL) {
78 // Allocate a new block for JNI handles.
79 // Inlined code from jni_PushLocalFrame()
80 JNIHandleBlock* java_handles = thread->active_handles();
81 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
82 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
83 compile_handles->set_pop_frame_link(java_handles);
84 thread->set_active_handles(compile_handles);
85 }
86 }
87
88 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) {
89 if (thread != NULL) {
90 // Release our JNI handle block
91 JNIHandleBlock* compile_handles = thread->active_handles();
92 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
93 thread->set_active_handles(java_handles);
94 compile_handles->set_pop_frame_link(NULL);
95 JNIHandleBlock::release_block(compile_handles, thread); // may block
96 }
97 }
98
99 class JVMCITraceMark : public StackObj {
100 const char* _msg;
101 public:
102 JVMCITraceMark(const char* msg) {
103 _msg = msg;
104 if (JVMCITraceLevel >= 1) {
105 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg);
106 }
107 }
108 ~JVMCITraceMark() {
109 if (JVMCITraceLevel >= 1) {
110 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg);
111 }
112 }
113 };
114
115
116 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
117 assert(_index < _args->length(), "out of bounds");
118 oop arg=((objArrayOop) (_args))->obj_at(_index++);
119 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
120 return Handle(Thread::current(), arg);
121 }
122
123 // Bring the JVMCI compiler thread into the VM state.
124 #define JVMCI_VM_ENTRY_MARK \
125 ThreadInVMfromNative __tiv(thread); \
126 ResetNoHandleMark rnhm; \
127 HandleMarkCleaner __hm(thread); \
128 Thread* THREAD = thread; \
129 debug_only(VMNativeEntryWrapper __vew;)
130
131 // Native method block that transitions current thread to '_thread_in_vm'.
132 #define C2V_BLOCK(result_type, name, signature) \
133 TRACE_CALL(result_type, jvmci_ ## name signature) \
134 JVMCI_VM_ENTRY_MARK; \
135 ResourceMark rm; \
136 JNI_JVMCIENV(thread, env);
137
138 static Thread* get_current_thread() {
139 return Thread::current_or_null_safe();
140 }
141
142 // Entry to native method implementation that transitions
143 // current thread to '_thread_in_vm'.
144 #define C2V_VMENTRY(result_type, name, signature) \
145 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
146 Thread* base_thread = get_current_thread(); \
147 if (base_thread == NULL) { \
148 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
149 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
150 return; \
151 } \
152 assert(base_thread->is_Java_thread(), "just checking");\
153 JavaThread* thread = (JavaThread*) base_thread; \
154 JVMCITraceMark jtm("CompilerToVM::" #name); \
155 C2V_BLOCK(result_type, name, signature)
156
157 #define C2V_VMENTRY_(result_type, name, signature, result) \
158 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
159 Thread* base_thread = get_current_thread(); \
160 if (base_thread == NULL) { \
161 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
162 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
163 return result; \
164 } \
165 assert(base_thread->is_Java_thread(), "just checking");\
166 JavaThread* thread = (JavaThread*) base_thread; \
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 Thread* base_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(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_0);
538 if (resolved_klass == NULL) {
539 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str);
540 }
541 } else {
542 if (class_name->char_at(0) == JVM_SIGNATURE_CLASS &&
543 class_name->char_at(class_name->utf8_length()-1) == JVM_SIGNATURE_ENDCLASS) {
544 // This is a name from a signature. Strip off the trimmings.
545 // Call recursive to keep scope of strippedsym.
546 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
547 class_name->utf8_length()-2);
548 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
549 } else if (FieldType::is_array(class_name)) {
550 FieldArrayInfo fd;
551 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
552 // of this call
553 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
554 if (t == T_OBJECT) {
555 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
556 class_name->utf8_length()-2-fd.dimension());
557 resolved_klass = SystemDictionary::find(strippedsym,
558 class_loader,
559 protection_domain,
560 CHECK_0);
561 if (!resolved_klass.is_null()) {
562 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
563 }
564 } else {
565 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0);
566 }
567 } else {
568 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_0);
569 }
570 }
571 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
572 return JVMCIENV->get_jobject(result);
573 C2V_END
574
575 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type))
576 if (jvmci_type == NULL) {
577 JVMCI_THROW_0(NullPointerException);
578 }
579
580 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type);
581 JVMCIKlassHandle array_klass(THREAD);
582 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) {
583 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0);
584 if (type == T_VOID) {
585 return NULL;
586 }
587 array_klass = Universe::typeArrayKlassObj(type);
588 if (array_klass == NULL) {
589 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type)));
590 }
591 } else {
592 Klass* klass = JVMCIENV->asKlass(jvmci_type);
593 if (klass == NULL) {
594 JVMCI_THROW_0(NullPointerException);
595 }
596 array_klass = klass->array_klass(CHECK_NULL);
597 }
598 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL);
599 return JVMCIENV->get_jobject(result);
600 C2V_END
601
602 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror))
603 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL);
604 if (mirror == NULL) {
605 return NULL;
606 }
607 JVMCIKlassHandle klass(THREAD);
608 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
609 if (klass == NULL) {
610 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported");
611 }
612 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
613 return JVMCIENV->get_jobject(result);
614 }
615
616 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
617 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
618 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
619 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result));
620 C2V_END
621
622 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
623 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
624 return cp->name_and_type_ref_index_at(index);
625 C2V_END
626
627 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
628 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
629 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL);
630 return JVMCIENV->get_jobject(sym);
631 C2V_END
632
633 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
634 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
635 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL);
636 return JVMCIENV->get_jobject(sym);
637 C2V_END
638
639 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
640 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
641 return cp->klass_ref_index_at(index);
642 C2V_END
643
644 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
645 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
646 Klass* klass = cp->klass_at(index, CHECK_NULL);
647 JVMCIKlassHandle resolved_klass(THREAD, klass);
648 if (resolved_klass->is_instance_klass()) {
649 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL);
650 if (!InstanceKlass::cast(resolved_klass())->is_linked()) {
651 // link_class() should not return here if there is an issue.
652 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name()));
653 }
654 }
655 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
656 return JVMCIENV->get_jobject(klassObject);
657 C2V_END
658
659 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
660 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
661 Klass* loading_klass = cp->pool_holder();
662 bool is_accessible = false;
663 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass));
664 Symbol* symbol = NULL;
665 if (klass.is_null()) {
666 constantTag tag = cp->tag_at(index);
667 if (tag.is_klass()) {
668 // The klass has been inserted into the constant pool
669 // very recently.
670 klass = cp->resolved_klass_at(index);
671 } else if (tag.is_symbol()) {
672 symbol = cp->symbol_at(index);
673 } else {
674 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag");
675 symbol = cp->klass_name_at(index);
676 }
677 }
678 JVMCIObject result;
679 if (!klass.is_null()) {
680 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
681 } else {
682 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL);
683 }
684 return JVMCIENV->get_jobject(result);
685 C2V_END
686
687 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
688 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
689 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
690 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop));
691 C2V_END
692
693 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
694 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
695 InstanceKlass* pool_holder = cp->pool_holder();
696 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
697 methodHandle method(THREAD, JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder));
698 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
699 return JVMCIENV->get_jobject(result);
700 C2V_END
701
702 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
703 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
704 return cp->remap_instruction_operand_from_cache(index);
705 C2V_END
706
707 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
708 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
709 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
710 fieldDescriptor fd;
711 methodHandle mh(THREAD, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL);
712 LinkInfo link_info(cp, index, mh, CHECK_0);
713 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
714 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle);
715 if (info.is_null() || JVMCIENV->get_length(info) != 3) {
716 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
717 }
718 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int());
719 JVMCIENV->put_int_at(info, 1, fd.offset());
720 JVMCIENV->put_int_at(info, 2, fd.index());
721 JVMCIKlassHandle handle(THREAD, fd.field_holder());
722 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
723 return JVMCIENV->get_jobject(field_holder);
724 C2V_END
725
726 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
727 Klass* klass = JVMCIENV->asKlass(jvmci_type);
728 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
729 if (klass->is_interface()) {
730 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name()));
731 }
732 if (!method->method_holder()->is_interface()) {
733 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()));
734 }
735 if (!klass->is_instance_klass()) {
736 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
737 }
738 if (!InstanceKlass::cast(klass)->is_linked()) {
739 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name()));
740 }
741 return LinkResolver::vtable_index_of_interface_method(klass, method);
742 C2V_END
743
744 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
745 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type);
746 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type);
747 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
748
749 Klass* resolved = method->method_holder();
750 Symbol* h_name = method->name();
751 Symbol* h_signature = method->signature();
752
753 if (MethodHandles::is_signature_polymorphic_method(method())) {
754 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
755 return NULL;
756 }
757
758 if (method->name() == vmSymbols::clone_name() &&
759 resolved == SystemDictionary::Object_klass() &&
760 recv_klass->is_array_klass()) {
761 // Resolution of the clone method on arrays always returns Object.clone even though that method
762 // has protected access. There's some trickery in the access checking to make this all work out
763 // so it's necessary to pass in the array class as the resolved class to properly trigger this.
764 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See
765 // LinkResolver::check_method_accessability for the matching logic.
766 resolved = recv_klass;
767 }
768
769 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
770 Method* m = NULL;
771 // Only do exact lookup if receiver klass has been linked. Otherwise,
772 // the vtable has not been setup, and the LinkResolver will fail.
773 if (recv_klass->is_array_klass() ||
774 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
775 if (resolved->is_interface()) {
776 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
777 } else {
778 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
779 }
780 }
781
782 if (m == NULL) {
783 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
784 return NULL;
785 }
786
787 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, m), JVMCI_CHECK_NULL);
788 return JVMCIENV->get_jobject(result);
789 C2V_END
790
791 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type))
792 Klass* klass = JVMCIENV->asKlass(jvmci_type);
793 assert(klass != NULL, "method must not be called for primitive types");
794 return Dependencies::find_finalizable_subclass(klass) != NULL;
795 C2V_END
796
797 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type))
798 Klass* klass = JVMCIENV->asKlass(jvmci_type);
799 if (!klass->is_instance_klass()) {
800 return NULL;
801 }
802 InstanceKlass* iklass = InstanceKlass::cast(klass);
803 methodHandle clinit(THREAD, iklass->class_initializer());
804 JVMCIObject result = JVMCIENV->get_jvmci_method(clinit, JVMCI_CHECK_NULL);
805 return JVMCIENV->get_jobject(result);
806 C2V_END
807
808 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr))
809 address target_addr = (address) addr;
810 if (target_addr != 0x0) {
811 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
812 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
813 return MAX2(ABS(off_low), ABS(off_high));
814 }
815 return -1;
816 C2V_END
817
818 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
819 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
820 method->set_not_c1_compilable();
821 method->set_not_c2_compilable();
822 method->set_dont_inline(true);
823 C2V_END
824
825 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code,
826 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj))
827 HandleMark hm;
828 JNIHandleMark jni_hm(thread);
829
830 JVMCIObject target_handle = JVMCIENV->wrap(target);
831 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
832 CodeBlob* cb = NULL;
833 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code);
834 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj);
835
836 int speculations_len = JVMCIENV->get_length(speculations_handle);
837 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len);
838 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len);
839
840 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
841
842 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
843 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0;
844
845 CodeInstaller installer(JVMCIENV, is_immutable_PIC);
846 JVMCI::CodeInstallResult result = installer.install(compiler,
847 target_handle,
848 compiled_code_handle,
849 cb,
850 installed_code_handle,
851 (FailedSpeculation**)(address) failed_speculations_address,
852 speculations,
853 speculations_len,
854 JVMCI_CHECK_0);
855
856 if (PrintCodeCacheOnCompilation) {
857 stringStream s;
858 // Dump code cache into a buffer before locking the tty,
859 {
860 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
861 CodeCache::print_summary(&s, false);
862 }
863 ttyLocker ttyl;
864 tty->print_raw_cr(s.as_string());
865 }
866
867 if (result != JVMCI::ok) {
868 assert(cb == NULL, "should be");
869 } else {
870 if (installed_code_handle.is_non_null()) {
871 if (cb->is_nmethod()) {
872 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type");
873 // Clear the link to an old nmethod first
874 JVMCIObject nmethod_mirror = installed_code_handle;
875 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0);
876 } else {
877 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type");
878 }
879 // Initialize the link to the new code blob
880 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0);
881 }
882 }
883 return result;
884 C2V_END
885
886 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata))
887 #if INCLUDE_AOT
888 HandleMark hm;
889 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode");
890
891 JVMCIObject target_handle = JVMCIENV->wrap(target);
892 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
893 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata);
894
895 CodeMetadata code_metadata;
896
897 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */);
898 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0);
899 if (result != JVMCI::ok) {
900 return result;
901 }
902
903 if (code_metadata.get_nr_pc_desc() > 0) {
904 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc();
905 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
906 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size);
907 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array);
908 }
909
910 if (code_metadata.get_scopes_size() > 0) {
911 int size = code_metadata.get_scopes_size();
912 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
913 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size);
914 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array);
915 }
916
917 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
918 int size = (int) reloc_buffer->size();
919 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
920 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size);
921 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array);
922
923 const OopMapSet* oopMapSet = installer.oopMapSet();
924 {
925 ResourceMark mark;
926 ImmutableOopMapBuilder builder(oopMapSet);
927 int size = builder.heap_size();
928 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
929 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0));
930 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array);
931 }
932
933 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
934
935 int nr_meta_refs = recorder->nr_meta_refs();
936 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full));
937 for (int i = 0; i < nr_meta_refs; ++i) {
938 jobject element = recorder->meta_element(i);
939 if (element == NULL) {
940 return JVMCI::cache_full;
941 }
942 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element));
943 }
944 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray);
945
946 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
947 int table_size = handler->size_in_bytes();
948 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full));
949 if (table_size > 0) {
950 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0));
951 }
952 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray);
953
954 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table();
955 int implicit_table_size = implicit->size_in_bytes();
956 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full));
957 if (implicit_table_size > 0) {
958 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size);
959 }
960 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray);
961
962 return result;
963 #else
964 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
965 #endif
966 C2V_END
967
968 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject))
969 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
970 CompilerStatistics* stats = compiler->stats();
971 stats->_standard.reset();
972 stats->_osr.reset();
973 C2V_END
974
975 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode))
976 HandleMark hm;
977
978 if (installedCode == NULL) {
979 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null");
980 }
981
982 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode);
983 nmethodLocker locker;
984 CodeBlob* cb = JVMCIENV->get_code_blob(installedCodeObject, locker);
985 if (cb == NULL) {
986 return NULL;
987 }
988
989 // We don't want the stringStream buffer to resize during disassembly as it
990 // uses scoped resource memory. If a nested function called during disassembly uses
991 // a ResourceMark and the buffer expands within the scope of the mark,
992 // the buffer becomes garbage when that scope is exited. Experience shows that
993 // the disassembled code is typically about 10x the code size so a fixed buffer
994 // sized to 20x code size plus a fixed amount for header info should be sufficient.
995 int bufferSize = cb->code_size() * 20 + 1024;
996 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
997 stringStream st(buffer, bufferSize);
998 if (cb->is_nmethod()) {
999 nmethod* nm = (nmethod*) cb;
1000 if (!nm->is_alive()) {
1001 return NULL;
1002 }
1003 }
1004 Disassembler::decode(cb, &st);
1005 if (st.size() <= 0) {
1006 return NULL;
1007 }
1008
1009 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL);
1010 return JVMCIENV->get_jobject(result);
1011 C2V_END
1012
1013 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci))
1014 HandleMark hm;
1015
1016 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1017 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL);
1018 return JVMCIENV->get_jobject(element);
1019 C2V_END
1020
1021 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod))
1022 // The incoming arguments array would have to contain JavaConstants instead of regular objects
1023 // and the return value would have to be wrapped as a JavaConstant.
1024 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL);
1025
1026 HandleMark hm;
1027
1028 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1029 nmethodLocker locker;
1030 nmethod* nm = JVMCIENV->get_nmethod(nmethod_mirror, locker);
1031 if (nm == NULL) {
1032 JVMCI_THROW_NULL(InvalidInstalledCodeException);
1033 }
1034 methodHandle mh(THREAD, nm->method());
1035 Symbol* signature = mh->signature();
1036 JavaCallArguments jca(mh->size_of_parameters());
1037
1038 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1039 JavaValue result(jap.get_ret_type());
1040 jca.set_alternative_target(nm);
1041 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1042
1043 if (jap.get_ret_type() == T_VOID) {
1044 return NULL;
1045 } else if (is_reference_type(jap.get_ret_type())) {
1046 return JNIHandles::make_local((oop) result.get_jobject());
1047 } else {
1048 jvalue *value = (jvalue *) result.get_value_addr();
1049 // Narrow the value down if required (Important on big endian machines)
1050 switch (jap.get_ret_type()) {
1051 case T_BOOLEAN:
1052 value->z = (jboolean) value->i;
1053 break;
1054 case T_BYTE:
1055 value->b = (jbyte) value->i;
1056 break;
1057 case T_CHAR:
1058 value->c = (jchar) value->i;
1059 break;
1060 case T_SHORT:
1061 value->s = (jshort) value->i;
1062 break;
1063 default:
1064 break;
1065 }
1066 JVMCIObject o = JVMCIENV->create_box(jap.get_ret_type(), value, JVMCI_CHECK_NULL);
1067 return JVMCIENV->get_jobject(o);
1068 }
1069 C2V_END
1070
1071 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method))
1072 Method* method = JVMCIENV->asMethod(jvmci_method);
1073 if (!method->has_linenumber_table()) {
1074 return NULL;
1075 }
1076 u2 num_entries = 0;
1077 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1078 while (streamForSize.read_pair()) {
1079 num_entries++;
1080 }
1081
1082 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1083 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL);
1084
1085 int i = 0;
1086 jlong value;
1087 while (stream.read_pair()) {
1088 value = ((long) stream.bci());
1089 JVMCIENV->put_long_at(result, i, value);
1090 value = ((long) stream.line());
1091 JVMCIENV->put_long_at(result, i + 1, value);
1092 i += 2;
1093 }
1094
1095 return (jlongArray) JVMCIENV->get_jobject(result);
1096 C2V_END
1097
1098 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
1099 Method* method = JVMCIENV->asMethod(jvmci_method);
1100 if (!method->has_localvariable_table()) {
1101 return 0;
1102 }
1103 return (jlong) (address) method->localvariable_table_start();
1104 C2V_END
1105
1106 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
1107 Method* method = JVMCIENV->asMethod(jvmci_method);
1108 return method->localvariable_table_length();
1109 C2V_END
1110
1111 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method))
1112 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1113 MethodCounters* mcs = method->method_counters();
1114 if (mcs != NULL) {
1115 mcs->clear_counters();
1116 }
1117 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1118
1119 CompiledMethod* code = method->code();
1120 if (code != NULL) {
1121 code->make_not_entrant();
1122 }
1123
1124 MethodData* method_data = method->method_data();
1125 if (method_data == NULL) {
1126 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1127 method_data = MethodData::allocate(loader_data, method, CHECK);
1128 method->set_method_data(method_data);
1129 } else {
1130 method_data->initialize();
1131 }
1132 C2V_END
1133
1134
1135 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod))
1136 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1137 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK);
1138 C2V_END
1139
1140 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr))
1141 oop ret = RawAccess<>::oop_load((oop*)(address)addr);
1142 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret));
1143 C2V_END
1144
1145 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject))
1146 // Returns a zero length array if counters aren't enabled
1147 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL);
1148 if (JVMCICounterSize > 0) {
1149 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize);
1150 JavaThread::collect_counters(temp_array, JVMCICounterSize);
1151 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize);
1152 }
1153 return (jlongArray) JVMCIENV->get_jobject(array);
1154 C2V_END
1155
1156 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject))
1157 return (jint) JVMCICounterSize;
1158 C2V_END
1159
1160 C2V_VMENTRY(void, setCountersSize, (JNIEnv* env, jobject, jint new_size))
1161 JavaThread::resize_all_jvmci_counters(new_size);
1162 C2V_END
1163
1164 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci))
1165 HandleMark hm;
1166 if (jvmci_method == NULL) {
1167 JVMCI_THROW_0(NullPointerException);
1168 }
1169 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1170 if (entry_bci >= method->code_size() || entry_bci < -1) {
1171 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci));
1172 }
1173 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1174 C2V_END
1175
1176
1177 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data))
1178 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1179 return mdo != NULL && mdo->is_mature();
1180 C2V_END
1181
1182 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1183 Method* method = JVMCIENV->asMethod(jvmci_method);
1184 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1185 C2V_END
1186
1187 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol))
1188 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL);
1189 return JVMCIENV->get_jobject(sym);
1190 C2V_END
1191
1192 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) {
1193 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1194
1195 for (int i = 0; i < methods_oop->length(); i++) {
1196 oop resolved = methods_oop->obj_at(i);
1197 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) {
1198 return true;
1199 }
1200 }
1201 return false;
1202 }
1203
1204 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
1205 CallInfo callinfo;
1206 Handle receiver = args->receiver();
1207 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
1208 LinkInfo link_info(spec_klass, name, signature);
1209 LinkResolver::resolve_interface_call(
1210 callinfo, receiver, recvrKlass, link_info, true, CHECK);
1211 methodHandle method(THREAD, callinfo.selected_method());
1212 assert(method.not_null(), "should have thrown exception");
1213
1214 // Invoke the method
1215 JavaCalls::call(result, method, args, CHECK);
1216 }
1217
1218 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
1219
1220 if (!thread->has_last_Java_frame()) {
1221 return NULL;
1222 }
1223 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
1224
1225 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL);
1226
1227 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1228 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1229
1230 StackFrameStream fst(thread);
1231 jobjectArray methods = initial_methods;
1232
1233 int frame_number = 0;
1234 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1235
1236 while (true) {
1237 // look for the given method
1238 bool realloc_called = false;
1239 while (true) {
1240 StackValueCollection* locals = NULL;
1241 if (vf->is_compiled_frame()) {
1242 // compiled method frame
1243 compiledVFrame* cvf = compiledVFrame::cast(vf);
1244 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) {
1245 if (initialSkip > 0) {
1246 initialSkip--;
1247 } else {
1248 ScopeDesc* scope = cvf->scope();
1249 // native wrappers do not have a scope
1250 if (scope != NULL && scope->objects() != NULL) {
1251 GrowableArray<ScopeValue*>* objects;
1252 if (!realloc_called) {
1253 objects = scope->objects();
1254 } else {
1255 // some object might already have been re-allocated, only reallocate the non-allocated ones
1256 objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
1257 for (int i = 0; i < scope->objects()->length(); i++) {
1258 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
1259 if (sv->value().is_null()) {
1260 objects->append(sv);
1261 }
1262 }
1263 }
1264 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL);
1265 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
1266 realloc_called = true;
1267
1268 GrowableArray<ScopeValue*>* local_values = scope->locals();
1269 assert(local_values != NULL, "NULL locals");
1270 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1271 typeArrayHandle array(THREAD, array_oop);
1272 for (int i = 0; i < local_values->length(); i++) {
1273 ScopeValue* value = local_values->at(i);
1274 if (value->is_object()) {
1275 array->bool_at_put(i, true);
1276 }
1277 }
1278 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array());
1279 } else {
1280 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1281 }
1282
1283 locals = cvf->locals();
1284 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci());
1285 methodHandle mh(THREAD, cvf->method());
1286 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1287 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1288 }
1289 }
1290 } else if (vf->is_interpreted_frame()) {
1291 // interpreted method frame
1292 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1293 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) {
1294 if (initialSkip > 0) {
1295 initialSkip--;
1296 } else {
1297 locals = ivf->locals();
1298 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci());
1299 methodHandle mh(THREAD, ivf->method());
1300 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1301 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1302 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1303 }
1304 }
1305 }
1306
1307 // locals != NULL means that we found a matching frame and result is already partially initialized
1308 if (locals != NULL) {
1309 methods = match_methods;
1310 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM));
1311 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp());
1312 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number);
1313
1314 // initialize the locals array
1315 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1316 objArrayHandle array(THREAD, array_oop);
1317 for (int i = 0; i < locals->size(); i++) {
1318 StackValue* var = locals->at(i);
1319 if (var->type() == T_OBJECT) {
1320 array->obj_at_put(i, locals->at(i)->get_obj()());
1321 }
1322 }
1323 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array());
1324 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE);
1325
1326 JavaValue result(T_OBJECT);
1327 JavaCallArguments args(visitor);
1328 args.push_oop(frame_reference);
1329 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
1330 if (result.get_jobject() != NULL) {
1331 return JNIHandles::make_local(thread, (oop) result.get_jobject());
1332 }
1333 assert(initialSkip == 0, "There should be no match before initialSkip == 0");
1334 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) {
1335 // the frame has been deoptimized, we need to re-synchronize the frame and vframe
1336 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference());
1337 fst = StackFrameStream(thread);
1338 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1339 fst.next();
1340 }
1341 if (fst.current()->sp() != stack_pointer) {
1342 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1343 }
1344 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1345 if (!vf->is_compiled_frame()) {
1346 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1347 }
1348 for (int i = 0; i < frame_number; i++) {
1349 if (vf->is_top()) {
1350 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
1351 }
1352 vf = vf->sender();
1353 assert(vf->is_compiled_frame(), "Wrong frame type");
1354 }
1355 }
1356 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1357 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1358 }
1359
1360 if (vf->is_top()) {
1361 break;
1362 }
1363 frame_number++;
1364 vf = vf->sender();
1365 } // end of vframe loop
1366
1367 if (fst.is_done()) {
1368 break;
1369 }
1370 fst.next();
1371 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1372 frame_number = 0;
1373 } // end of frame loop
1374
1375 // the end was reached without finding a matching method
1376 return NULL;
1377 C2V_END
1378
1379 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1380 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1381 CallInfo callInfo;
1382 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1383 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1384 cp_cache_entry->set_dynamic_call(cp, callInfo);
1385 C2V_END
1386
1387 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1388 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1389 Klass* holder = cp->klass_ref_at(index, CHECK);
1390 Symbol* name = cp->name_ref_at(index);
1391 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1392 CallInfo callInfo;
1393 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1394 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1395 cp_cache_entry->set_method_handle(cp, callInfo);
1396 }
1397 C2V_END
1398
1399 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1400 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1401 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1402 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1403 // MethodHandle.invoke* --> LambdaForm?
1404 ResourceMark rm;
1405
1406 LinkInfo link_info(cp, index, CATCH);
1407
1408 Klass* resolved_klass = link_info.resolved_klass();
1409
1410 Symbol* name_sym = cp->name_ref_at(index);
1411
1412 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1413 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1414
1415 methodHandle adapter_method(THREAD, cp_cache_entry->f1_as_method());
1416
1417 methodHandle resolved_method(adapter_method);
1418
1419 // Can we treat it as a regular invokevirtual?
1420 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1421 vmassert(!resolved_method->is_static(),"!");
1422 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1423 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1424 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1425
1426 methodHandle m(THREAD, LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1427 vmassert(m == resolved_method, "!!");
1428 return -1;
1429 }
1430
1431 return Bytecodes::_invokevirtual;
1432 }
1433 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1434 return Bytecodes::_invokedynamic;
1435 }
1436 return -1;
1437 C2V_END
1438
1439
1440 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject))
1441 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL);
1442 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL);
1443 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL);
1444 JVMCIENV->put_object_at(holders, 0, mh);
1445 JVMCIENV->put_object_at(holders, 1, vh);
1446 return JVMCIENV->get_jobject(holders);
1447 C2V_END
1448
1449 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject))
1450 //see compute_recording_non_safepoints in debugInfroRec.cpp
1451 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1452 return true;
1453 }
1454 return DebugNonSafepoints;
1455 C2V_END
1456
1457 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1458 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate))
1459 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame);
1460 if (hs_frame.is_null()) {
1461 JVMCI_THROW_MSG(NullPointerException, "stack frame is null");
1462 }
1463
1464 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK);
1465
1466 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK);
1467
1468 // look for the given stack frame
1469 StackFrameStream fst(thread);
1470 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame);
1471 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1472 fst.next();
1473 }
1474 if (fst.current()->sp() != stack_pointer) {
1475 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found");
1476 }
1477
1478 if (invalidate) {
1479 if (!fst.current()->is_compiled_frame()) {
1480 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1481 }
1482 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1483 ((nmethod*) fst.current()->cb())->make_not_entrant();
1484 }
1485 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1486 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1487 StackFrameStream fstAfterDeopt(thread);
1488 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1489 fstAfterDeopt.next();
1490 }
1491 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1492 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt");
1493 }
1494
1495 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1496 if (!vf->is_compiled_frame()) {
1497 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1498 }
1499
1500 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1501 while (true) {
1502 assert(vf->is_compiled_frame(), "Wrong frame type");
1503 virtualFrames->push(compiledVFrame::cast(vf));
1504 if (vf->is_top()) {
1505 break;
1506 }
1507 vf = vf->sender();
1508 }
1509
1510 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame);
1511 if (last_frame_number >= virtualFrames->length()) {
1512 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number");
1513 }
1514
1515 // Reallocate the non-escaping objects and restore their fields.
1516 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1517 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1518
1519 if (objects == NULL) {
1520 // no objects to materialize
1521 return;
1522 }
1523
1524 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK);
1525 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1526
1527 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1528 compiledVFrame* cvf = virtualFrames->at(frame_index);
1529
1530 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1531 StackValueCollection* locals = cvf->locals();
1532 if (locals != NULL) {
1533 for (int i2 = 0; i2 < locals->size(); i2++) {
1534 StackValue* var = locals->at(i2);
1535 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1536 jvalue val;
1537 val.l = cast_from_oop<jobject>(locals->at(i2)->get_obj()());
1538 cvf->update_local(T_OBJECT, i2, val);
1539 }
1540 }
1541 }
1542
1543 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1544 StackValueCollection* expressions = cvf->expressions();
1545 if (expressions != NULL) {
1546 for (int i2 = 0; i2 < expressions->size(); i2++) {
1547 StackValue* var = expressions->at(i2);
1548 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1549 jvalue val;
1550 val.l = cast_from_oop<jobject>(expressions->at(i2)->get_obj()());
1551 cvf->update_stack(T_OBJECT, i2, val);
1552 }
1553 }
1554 }
1555
1556 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1557 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1558 if (monitors != NULL) {
1559 for (int i2 = 0; i2 < monitors->length(); i2++) {
1560 cvf->update_monitor(i2, monitors->at(i2));
1561 }
1562 }
1563 }
1564
1565 // all locals are materialized by now
1566 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL);
1567 // update the locals array
1568 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame);
1569 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1570 for (int i = 0; i < locals->size(); i++) {
1571 StackValue* var = locals->at(i);
1572 if (var->type() == T_OBJECT) {
1573 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()()));
1574 }
1575 }
1576 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE);
1577 C2V_END
1578
1579 // Creates a scope where the current thread is attached and detached
1580 // from HotSpot if it wasn't already attached when entering the scope.
1581 extern "C" void jio_printf(const char *fmt, ...);
1582 class AttachDetach : public StackObj {
1583 public:
1584 bool _attached;
1585 AttachDetach(JNIEnv* env, Thread* current_thread) {
1586 if (current_thread == NULL) {
1587 extern struct JavaVM_ main_vm;
1588 JNIEnv* hotspotEnv;
1589 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
1590 _attached = res == JNI_OK;
1591 static volatile int report_attach_error = 0;
1592 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(&report_attach_error, 0, 1) == 0) {
1593 // Only report an attach error once
1594 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res);
1595 }
1596 } else {
1597 _attached = false;
1598 }
1599 }
1600 ~AttachDetach() {
1601 if (_attached && get_current_thread() != NULL) {
1602 extern struct JavaVM_ main_vm;
1603 jint res = main_vm.DetachCurrentThread();
1604 static volatile int report_detach_error = 0;
1605 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(&report_detach_error, 0, 1) == 0) {
1606 // Only report an attach error once
1607 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res);
1608 }
1609 }
1610 }
1611 };
1612
1613 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw))
1614 AttachDetach ad(env, base_thread);
1615 bool use_tty = true;
1616 if (base_thread == NULL) {
1617 if (!ad._attached) {
1618 // Can only use tty if the current thread is attached
1619 return 0;
1620 }
1621 base_thread = get_current_thread();
1622 }
1623 JVMCITraceMark jtm("writeDebugOutput");
1624 assert(base_thread->is_Java_thread(), "just checking");
1625 JavaThread* thread = (JavaThread*) base_thread;
1626 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length))
1627 if (bytes == NULL) {
1628 if (can_throw) {
1629 JVMCI_THROW_0(NullPointerException);
1630 }
1631 return -1;
1632 }
1633 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes);
1634
1635 // Check if offset and length are non negative.
1636 if (offset < 0 || length < 0) {
1637 if (can_throw) {
1638 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1639 }
1640 return -2;
1641 }
1642 // Check if the range is valid.
1643 int array_length = JVMCIENV->get_length(array);
1644 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) {
1645 if (can_throw) {
1646 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1647 }
1648 return -2;
1649 }
1650 jbyte buffer[O_BUFLEN];
1651 while (length > 0) {
1652 int copy_len = MIN2(length, (jint)O_BUFLEN);
1653 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len);
1654 tty->write((char*) buffer, copy_len);
1655 length -= O_BUFLEN;
1656 offset += O_BUFLEN;
1657 }
1658 if (flush) {
1659 tty->flush();
1660 }
1661 return 0;
1662 C2V_END
1663
1664 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject))
1665 tty->flush();
1666 C2V_END
1667
1668 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position))
1669 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1670 ProfileData* profile_data = mdo->data_at(position);
1671 if (mdo->is_valid(profile_data)) {
1672 return profile_data->size_in_bytes();
1673 }
1674 DataLayout* data = mdo->extra_data_base();
1675 DataLayout* end = mdo->extra_data_limit();
1676 for (;; data = mdo->next_extra(data)) {
1677 assert(data < end, "moved past end of extra data");
1678 profile_data = data->data_in();
1679 if (mdo->dp_to_di(profile_data->dp()) == position) {
1680 return profile_data->size_in_bytes();
1681 }
1682 }
1683 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position));
1684 C2V_END
1685
1686 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass))
1687 #if INCLUDE_AOT
1688 Klass *k = (Klass*) (address) metaspace_klass;
1689 if (k->is_instance_klass()) {
1690 return InstanceKlass::cast(k)->get_stored_fingerprint();
1691 } else {
1692 return 0;
1693 }
1694 #else
1695 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
1696 #endif
1697 C2V_END
1698
1699 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type))
1700 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type));
1701 InstanceKlass* host = k->unsafe_anonymous_host();
1702 JVMCIKlassHandle handle(THREAD, host);
1703 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
1704 return JVMCIENV->get_jobject(result);
1705 C2V_END
1706
1707 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type))
1708 if (jvmci_type == NULL) {
1709 JVMCI_THROW_0(NullPointerException);
1710 }
1711
1712 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1713 if (klass == NULL) {
1714 JVMCI_THROW_0(NullPointerException);
1715 }
1716 if (!klass->is_instance_klass()) {
1717 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
1718 }
1719 InstanceKlass* iklass = InstanceKlass::cast(klass);
1720
1721 // Regular instance klass, fill in all local interfaces
1722 int size = iklass->local_interfaces()->length();
1723 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL);
1724 for (int index = 0; index < size; index++) {
1725 JVMCIKlassHandle klass(THREAD);
1726 Klass* k = iklass->local_interfaces()->at(index);
1727 klass = k;
1728 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
1729 JVMCIENV->put_object_at(interfaces, index, type);
1730 }
1731 return JVMCIENV->get_jobject(interfaces);
1732 C2V_END
1733
1734 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type))
1735 if (jvmci_type == NULL) {
1736 JVMCI_THROW_0(NullPointerException);
1737 }
1738
1739 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1740 oop mirror = klass->java_mirror();
1741 if (java_lang_Class::is_primitive(mirror) ||
1742 !java_lang_Class::as_Klass(mirror)->is_array_klass()) {
1743 return NULL;
1744 }
1745
1746 oop component_mirror = java_lang_Class::component_mirror(mirror);
1747 if (component_mirror == NULL) {
1748 return NULL;
1749 }
1750 Klass* component_klass = java_lang_Class::as_Klass(component_mirror);
1751 if (component_klass != NULL) {
1752 JVMCIKlassHandle klass_handle(THREAD);
1753 klass_handle = component_klass;
1754 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
1755 return JVMCIENV->get_jobject(result);
1756 }
1757 BasicType type = java_lang_Class::primitive_type(component_mirror);
1758 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type);
1759 return JVMCIENV->get_jobject(result);
1760 C2V_END
1761
1762 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type))
1763 if (jvmci_type == NULL) {
1764 JVMCI_THROW(NullPointerException);
1765 }
1766
1767 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1768 if (klass != NULL && klass->should_be_initialized()) {
1769 InstanceKlass* k = InstanceKlass::cast(klass);
1770 k->initialize(CHECK);
1771 }
1772 C2V_END
1773
1774 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle))
1775 if (bytecode_frame_handle == NULL) {
1776 JVMCI_THROW_0(NullPointerException);
1777 }
1778
1779 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle);
1780 JVMCIObject bytecode_frame = top_bytecode_frame;
1781 int size = 0;
1782 int callee_parameters = 0;
1783 int callee_locals = 0;
1784 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1785 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1786
1787 while (bytecode_frame.is_non_null()) {
1788 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame);
1789 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1790 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame));
1791 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1792
1793 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1794 temps + callee_parameters,
1795 extra_args,
1796 locks,
1797 callee_parameters,
1798 callee_locals,
1799 is_top_frame);
1800 size += frame_size;
1801
1802 callee_parameters = method->size_of_parameters();
1803 callee_locals = method->max_locals();
1804 extra_args = 0;
1805 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame);
1806 }
1807 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1808 C2V_END
1809
1810 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle))
1811 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK);
1812 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1813 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode");
1814 JavaValue result(T_VOID);
1815 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1816 } else {
1817 JVMCI_THROW_MSG(IllegalArgumentException,
1818 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()))
1819 }
1820 C2V_END
1821
1822 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object))
1823 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1824 return obj->identity_hash();
1825 C2V_END
1826
1827 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object))
1828 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1829 if (!java_lang_String::is_instance(str())) {
1830 return false;
1831 }
1832 int len;
1833 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_0);
1834 return (StringTable::lookup(name, len) != NULL);
1835 C2V_END
1836
1837
1838 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object))
1839 if (object == NULL) {
1840 JVMCI_THROW_0(NullPointerException);
1841 }
1842 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
1843 BasicType type = java_lang_boxing_object::basic_type(box());
1844 jvalue result;
1845 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) {
1846 return NULL;
1847 }
1848 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL);
1849 return JVMCIENV->get_jobject(boxResult);
1850 C2V_END
1851
1852 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object))
1853 if (object == NULL) {
1854 JVMCI_THROW_0(NullPointerException);
1855 }
1856 JVMCIObject box = JVMCIENV->wrap(object);
1857 BasicType type = JVMCIENV->get_box_type(box);
1858 if (type == T_ILLEGAL) {
1859 return NULL;
1860 }
1861 jvalue value = JVMCIENV->get_boxed_value(type, box);
1862 JavaValue box_result(T_OBJECT);
1863 JavaCallArguments jargs;
1864 Klass* box_klass = NULL;
1865 Symbol* box_signature = NULL;
1866 #define BOX_CASE(bt, v, argtype, name) \
1867 case bt: \
1868 jargs.push_##argtype(value.v); \
1869 box_klass = SystemDictionary::name##_klass(); \
1870 box_signature = vmSymbols::name##_valueOf_signature(); \
1871 break
1872
1873 switch (type) {
1874 BOX_CASE(T_BOOLEAN, z, int, Boolean);
1875 BOX_CASE(T_BYTE, b, int, Byte);
1876 BOX_CASE(T_CHAR, c, int, Character);
1877 BOX_CASE(T_SHORT, s, int, Short);
1878 BOX_CASE(T_INT, i, int, Integer);
1879 BOX_CASE(T_LONG, j, long, Long);
1880 BOX_CASE(T_FLOAT, f, float, Float);
1881 BOX_CASE(T_DOUBLE, d, double, Double);
1882 default:
1883 ShouldNotReachHere();
1884 }
1885 #undef BOX_CASE
1886
1887 JavaCalls::call_static(&box_result,
1888 box_klass,
1889 vmSymbols::valueOf_name(),
1890 box_signature, &jargs, CHECK_NULL);
1891 oop hotspot_box = (oop) box_result.get_jobject();
1892 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false);
1893 return JVMCIENV->get_jobject(result);
1894 C2V_END
1895
1896 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder))
1897 if (holder == NULL) {
1898 JVMCI_THROW_0(NullPointerException);
1899 }
1900 Klass* klass = JVMCIENV->asKlass(holder);
1901 if (!klass->is_instance_klass()) {
1902 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1903 return JVMCIENV->get_jobjectArray(methods);
1904 }
1905
1906 InstanceKlass* iklass = InstanceKlass::cast(klass);
1907 // Ensure class is linked
1908 iklass->link_class(CHECK_NULL);
1909
1910 GrowableArray<Method*> constructors_array;
1911 for (int i = 0; i < iklass->methods()->length(); i++) {
1912 Method* m = iklass->methods()->at(i);
1913 if (m->is_initializer() && !m->is_static()) {
1914 constructors_array.append(m);
1915 }
1916 }
1917 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL);
1918 for (int i = 0; i < constructors_array.length(); i++) {
1919 methodHandle ctor(THREAD, constructors_array.at(i));
1920 JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL);
1921 JVMCIENV->put_object_at(methods, i, method);
1922 }
1923 return JVMCIENV->get_jobjectArray(methods);
1924 C2V_END
1925
1926 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder))
1927 if (holder == NULL) {
1928 JVMCI_THROW_0(NullPointerException);
1929 }
1930 Klass* klass = JVMCIENV->asKlass(holder);
1931 if (!klass->is_instance_klass()) {
1932 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1933 return JVMCIENV->get_jobjectArray(methods);
1934 }
1935
1936 InstanceKlass* iklass = InstanceKlass::cast(klass);
1937 // Ensure class is linked
1938 iklass->link_class(CHECK_NULL);
1939
1940 GrowableArray<Method*> methods_array;
1941 for (int i = 0; i < iklass->methods()->length(); i++) {
1942 Method* m = iklass->methods()->at(i);
1943 if (!m->is_initializer() && !m->is_overpass()) {
1944 methods_array.append(m);
1945 }
1946 }
1947 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL);
1948 for (int i = 0; i < methods_array.length(); i++) {
1949 methodHandle mh(THREAD, methods_array.at(i));
1950 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1951 JVMCIENV->put_object_at(methods, i, method);
1952 }
1953 return JVMCIENV->get_jobjectArray(methods);
1954 C2V_END
1955
1956 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile))
1957 if (object == NULL || field == NULL) {
1958 JVMCI_THROW_0(NullPointerException);
1959 }
1960 JVMCIObject field_object = JVMCIENV->wrap(field);
1961 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object);
1962 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object);
1963 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object));
1964 if (!holder->is_instance_klass()) {
1965 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name()));
1966 }
1967 InstanceKlass* ik = InstanceKlass::cast(holder);
1968 BasicType constant_type;
1969 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) {
1970 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL);
1971 } else {
1972 constant_type = T_OBJECT;
1973 }
1974 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object);
1975 fieldDescriptor fd;
1976 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) {
1977 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement));
1978 }
1979 JVMCIObject base = JVMCIENV->wrap(object);
1980 Handle obj;
1981 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) {
1982 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL);
1983 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) {
1984 Klass* klass = JVMCIENV->asKlass(base);
1985 obj = Handle(THREAD, klass->java_mirror());
1986 } else {
1987 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
1988 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base)));
1989 }
1990 jlong value = 0;
1991 JVMCIObject kind;
1992 switch (constant_type) {
1993 case T_OBJECT: {
1994 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement);
1995 JVMCIObject result = JVMCIENV->get_object_constant(object);
1996 if (result.is_null()) {
1997 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER());
1998 }
1999 return JVMCIENV->get_jobject(result);
2000 }
2001 case T_FLOAT: {
2002 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement);
2003 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL);
2004 return JVMCIENV->get_jobject(result);
2005 }
2006 case T_DOUBLE: {
2007 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement);
2008 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL);
2009 return JVMCIENV->get_jobject(result);
2010 }
2011 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break;
2012 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break;
2013 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break;
2014 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break;
2015 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break;
2016 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break;
2017 default:
2018 ShouldNotReachHere();
2019 }
2020 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL);
2021 return JVMCIENV->get_jobject(result);
2022 C2V_END
2023
2024 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object))
2025 if (object == NULL || holder == NULL) {
2026 JVMCI_THROW_0(NullPointerException);
2027 }
2028 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
2029 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2030 return obj->is_a(klass);
2031 C2V_END
2032
2033 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder))
2034 if (holder == NULL || otherHolder == NULL) {
2035 JVMCI_THROW_0(NullPointerException);
2036 }
2037 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2038 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder));
2039 return otherKlass->is_subtype_of(klass);
2040 C2V_END
2041
2042 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder))
2043 if (holder == NULL) {
2044 JVMCI_THROW_0(NullPointerException);
2045 }
2046 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder)));
2047 if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) {
2048 return true;
2049 }
2050 return false;
2051 C2V_END
2052
2053 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object))
2054 if (object == NULL) {
2055 JVMCI_THROW_0(NullPointerException);
2056 }
2057 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2058 if (java_lang_Class::is_instance(obj())) {
2059 if (java_lang_Class::is_primitive(obj())) {
2060 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj()));
2061 return JVMCIENV->get_jobject(type);
2062 }
2063 Klass* klass = java_lang_Class::as_Klass(obj());
2064 JVMCIKlassHandle klass_handle(THREAD);
2065 klass_handle = klass;
2066 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
2067 return JVMCIENV->get_jobject(type);
2068 }
2069 return NULL;
2070 C2V_END
2071
2072
2073 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object))
2074 if (object == NULL) {
2075 JVMCI_THROW_0(NullPointerException);
2076 }
2077 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2078 const char* str = java_lang_String::as_utf8_string(obj());
2079 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL);
2080 return JVMCIENV->get_jobject(result);
2081 C2V_END
2082
2083
2084 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle))
2085 if (x == NULL || y == NULL) {
2086 JVMCI_THROW_0(NullPointerException);
2087 }
2088 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle);
2089 C2V_END
2090
2091 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object))
2092 if (object == NULL) {
2093 JVMCI_THROW_0(NullPointerException);
2094 }
2095 JVMCIObject base_object = JVMCIENV->wrap(object);
2096 Handle mirror;
2097 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
2098 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror());
2099 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) {
2100 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL);
2101 } else {
2102 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2103 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
2104 }
2105 JVMCIObject result = JVMCIENV->get_object_constant(mirror());
2106 return JVMCIENV->get_jobject(result);
2107 C2V_END
2108
2109
2110 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x))
2111 if (x == NULL) {
2112 JVMCI_THROW_0(NullPointerException);
2113 }
2114 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2115 if (xobj->klass()->is_array_klass()) {
2116 return arrayOop(xobj())->length();
2117 }
2118 return -1;
2119 C2V_END
2120
2121
2122 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index))
2123 if (x == NULL) {
2124 JVMCI_THROW_0(NullPointerException);
2125 }
2126 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL);
2127 if (xobj->klass()->is_array_klass()) {
2128 arrayOop array = arrayOop(xobj());
2129 BasicType element_type = ArrayKlass::cast(array->klass())->element_type();
2130 if (index < 0 || index >= array->length()) {
2131 return NULL;
2132 }
2133 JVMCIObject result;
2134
2135 if (element_type == T_OBJECT) {
2136 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index));
2137 if (result.is_null()) {
2138 result = JVMCIENV->get_JavaConstant_NULL_POINTER();
2139 }
2140 } else {
2141 jvalue value;
2142 switch (element_type) {
2143 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break;
2144 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break;
2145 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break;
2146 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break;
2147 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break;
2148 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break;
2149 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break;
2150 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break;
2151 default: ShouldNotReachHere();
2152 }
2153 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL);
2154 }
2155 assert(!result.is_null(), "must have a value");
2156 return JVMCIENV->get_jobject(result);
2157 }
2158 return NULL;;
2159 C2V_END
2160
2161
2162 C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind))
2163 if (kind == NULL) {
2164 JVMCI_THROW_0(NullPointerException);
2165 }
2166 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2167 return arrayOopDesc::header_size(type) * HeapWordSize;
2168 C2V_END
2169
2170 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind))
2171 if (kind == NULL) {
2172 JVMCI_THROW_0(NullPointerException);
2173 }
2174 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2175 return type2aelembytes(type);
2176 C2V_END
2177
2178 C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement))
2179 if (x == NULL) {
2180 JVMCI_THROW_0(NullPointerException);
2181 }
2182 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2183 return xobj->byte_field(displacement);
2184 }
2185
2186 C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement))
2187 if (x == NULL) {
2188 JVMCI_THROW_0(NullPointerException);
2189 }
2190 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2191 return xobj->short_field(displacement);
2192 }
2193
2194 C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement))
2195 if (x == NULL) {
2196 JVMCI_THROW_0(NullPointerException);
2197 }
2198 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2199 return xobj->int_field(displacement);
2200 }
2201
2202 C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement))
2203 if (x == NULL) {
2204 JVMCI_THROW_0(NullPointerException);
2205 }
2206 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2207 return xobj->long_field(displacement);
2208 }
2209
2210 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement))
2211 if (x == NULL) {
2212 JVMCI_THROW_0(NullPointerException);
2213 }
2214 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2215 oop res = xobj->obj_field(displacement);
2216 JVMCIObject result = JVMCIENV->get_object_constant(res);
2217 return JVMCIENV->get_jobject(result);
2218 }
2219
2220 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h))
2221 jobject handle = (jobject)(address)h;
2222 if (handle != NULL) {
2223 JVMCI::destroy_global(handle);
2224 }
2225 }
2226
2227 static void requireJVMCINativeLibrary(JVMCI_TRAPS) {
2228 if (!UseJVMCINativeLibrary) {
2229 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)");
2230 }
2231 }
2232
2233 static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) {
2234 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2235 if (javaVM == NULL) {
2236 JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller));
2237 }
2238 return javaVM;
2239 }
2240
2241 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror))
2242 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2243 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL);
2244 void* shared_library = JVMCIEnv::get_shared_library_handle();
2245 if (shared_library == NULL) {
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 JVMCIRuntime* runtime = JVMCI::compiler_runtime();
2251 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv);
2252 if (peerEnv->has_pending_exception()) {
2253 peerEnv->describe_pending_exception(true);
2254 }
2255 shared_library = JVMCIEnv::get_shared_library_handle();
2256 if (shared_library == NULL) {
2257 JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime");
2258 }
2259 }
2260
2261 if (mirror == NULL) {
2262 JVMCI_THROW_0(NullPointerException);
2263 }
2264 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
2265 if (klass == NULL || !klass->is_instance_klass()) {
2266 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type");
2267 }
2268
2269 InstanceKlass* iklass = InstanceKlass::cast(klass);
2270 for (int i = 0; i < iklass->methods()->length(); i++) {
2271 methodHandle method(THREAD, iklass->methods()->at(i));
2272 if (method->is_native()) {
2273
2274 // Compute argument size
2275 int args_size = 1 // JNIEnv
2276 + (method->is_static() ? 1 : 0) // class for static methods
2277 + method->size_of_parameters(); // actual parameters
2278
2279 // 1) Try JNI short style
2280 stringStream st;
2281 char* pure_name = NativeLookup::pure_jni_name(method);
2282 os::print_jni_name_prefix_on(&st, args_size);
2283 st.print_raw(pure_name);
2284 os::print_jni_name_suffix_on(&st, args_size);
2285 char* jni_name = st.as_string();
2286
2287 address entry = (address) os::dll_lookup(shared_library, jni_name);
2288 if (entry == NULL) {
2289 // 2) Try JNI long style
2290 st.reset();
2291 char* long_name = NativeLookup::long_jni_name(method);
2292 os::print_jni_name_prefix_on(&st, args_size);
2293 st.print_raw(pure_name);
2294 st.print_raw(long_name);
2295 os::print_jni_name_suffix_on(&st, args_size);
2296 char* jni_long_name = st.as_string();
2297 entry = (address) os::dll_lookup(shared_library, jni_long_name);
2298 if (entry == NULL) {
2299 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]",
2300 method->name_and_sig_as_C_string(),
2301 jni_name, jni_long_name, JVMCIEnv::get_shared_library_path()));
2302 }
2303 }
2304
2305 if (method->has_native_function() && entry != method->native_function()) {
2306 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]",
2307 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry)));
2308 }
2309 method->set_native_function(entry, Method::native_bind_event_is_interesting);
2310 log_debug(jni, resolve)("[Dynamic-linking native method %s.%s ... JNI]",
2311 method->method_holder()->external_name(),
2312 method->name()->as_C_string());
2313 }
2314 }
2315
2316 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2317 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL);
2318 JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM);
2319 JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0);
2320 JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1);
2321 JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2);
2322 return (jlongArray) JVMCIENV->get_jobject(result);
2323 }
2324
2325 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm))
2326 if (base_thread == NULL) {
2327 // Called from unattached JVMCI shared library thread
2328 return false;
2329 }
2330 JVMCITraceMark jtm("isCurrentThreadAttached");
2331 assert(base_thread->is_Java_thread(), "just checking");
2332 JavaThread* thread = (JavaThread*) base_thread;
2333 if (thread->jni_environment() == env) {
2334 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject))
2335 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2336 JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0);
2337 JNIEnv* peerEnv;
2338 return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK;
2339 }
2340 return true;
2341 C2V_END
2342
2343 C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm))
2344 if (base_thread == NULL) {
2345 // Called from unattached JVMCI shared library thread
2346 return 0L;
2347 }
2348 JVMCITraceMark jtm("getCurrentJavaThread");
2349 assert(base_thread->is_Java_thread(), "just checking");
2350 return (jlong) p2i(base_thread);
2351 C2V_END
2352
2353 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon))
2354 if (base_thread == NULL) {
2355 // Called from unattached JVMCI shared library thread
2356 extern struct JavaVM_ main_vm;
2357 JNIEnv* hotspotEnv;
2358 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) :
2359 main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
2360 if (res != JNI_OK) {
2361 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false);
2362 }
2363 return true;
2364 }
2365 JVMCITraceMark jtm("attachCurrentThread");
2366 assert(base_thread->is_Java_thread(), "just checking");\
2367 JavaThread* thread = (JavaThread*) base_thread;
2368 if (thread->jni_environment() == env) {
2369 // Called from HotSpot
2370 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean))
2371 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2372 JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0);
2373 JavaVMAttachArgs attach_args;
2374 attach_args.version = JNI_VERSION_1_2;
2375 attach_args.name = thread->name();
2376 attach_args.group = NULL;
2377 JNIEnv* peerEnv;
2378 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) {
2379 return false;
2380 }
2381 jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) :
2382 javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args);
2383 if (res == JNI_OK) {
2384 guarantee(peerEnv != NULL, "must be");
2385 return true;
2386 }
2387 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name));
2388 }
2389 // Called from JVMCI shared library
2390 return false;
2391 C2V_END
2392
2393 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm))
2394 if (base_thread == NULL) {
2395 // Called from unattached JVMCI shared library thread
2396 JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread"));
2397 }
2398 JVMCITraceMark jtm("detachCurrentThread");
2399 assert(base_thread->is_Java_thread(), "just checking");\
2400 JavaThread* thread = (JavaThread*) base_thread;
2401 if (thread->jni_environment() == env) {
2402 // Called from HotSpot
2403 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject))
2404 requireJVMCINativeLibrary(JVMCI_CHECK);
2405 requireInHotSpot("detachCurrentThread", JVMCI_CHECK);
2406 JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK);
2407 JNIEnv* peerEnv;
2408 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) {
2409 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name()));
2410 }
2411 jint res = javaVM->DetachCurrentThread();
2412 if (res != JNI_OK) {
2413 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name()));
2414 }
2415 } else {
2416 // Called from attached JVMCI shared library thread
2417 extern struct JavaVM_ main_vm;
2418 jint res = main_vm.DetachCurrentThread();
2419 if (res != JNI_OK) {
2420 JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread"));
2421 }
2422 }
2423 C2V_END
2424
2425 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle))
2426 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2427 if (obj_handle == NULL) {
2428 return 0L;
2429 }
2430 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__);
2431 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2432 JVMCIEnv* thisEnv = JVMCIENV;
2433
2434 JVMCIObject obj = thisEnv->wrap(obj_handle);
2435 JVMCIObject result;
2436 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) {
2437 methodHandle method(THREAD, thisEnv->asMethod(obj));
2438 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0);
2439 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) {
2440 Klass* klass = thisEnv->asKlass(obj);
2441 JVMCIKlassHandle klass_handle(THREAD);
2442 klass_handle = klass;
2443 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0);
2444 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) {
2445 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0);
2446 result = peerEnv->get_jvmci_primitive_type(type);
2447 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) ||
2448 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) {
2449 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0);
2450 result = peerEnv->get_object_constant(constant());
2451 } else if (thisEnv->isa_HotSpotNmethod(obj)) {
2452 nmethodLocker locker;
2453 nmethod* nm = JVMCIENV->get_nmethod(obj, locker);
2454 if (nm != NULL) {
2455 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2456 if (data != NULL) {
2457 if (peerEnv->is_hotspot()) {
2458 // Only the mirror in the HotSpot heap is accessible
2459 // through JVMCINMethodData
2460 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true);
2461 if (nmethod_mirror != NULL) {
2462 result = HotSpotJVMCI::wrap(nmethod_mirror);
2463 }
2464 }
2465 }
2466 }
2467 if (result.is_null()) {
2468 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj);
2469 methodHandle mh(THREAD, thisEnv->asMethod(methodObject));
2470 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj);
2471 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj);
2472 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj);
2473 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string);
2474 // Create a new HotSpotNmethod instance in the peer runtime
2475 result = peerEnv->new_HotSpotNmethod(mh, cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0);
2476 if (nm == NULL) {
2477 // nmethod must have been unloaded
2478 } else {
2479 // Link the new HotSpotNmethod to the nmethod
2480 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0);
2481 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime.
2482 if (peerEnv->is_hotspot()) {
2483 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2484 if (data == NULL) {
2485 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod");
2486 }
2487 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) {
2488 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod");
2489 }
2490 oop nmethod_mirror = HotSpotJVMCI::resolve(result);
2491 data->set_nmethod_mirror(nm, nmethod_mirror);
2492 }
2493 }
2494 }
2495 } else {
2496 JVMCI_THROW_MSG_0(IllegalArgumentException,
2497 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj)));
2498 }
2499 return (jlong) peerEnv->make_global(result).as_jobject();
2500 }
2501
2502 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle))
2503 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2504 if (obj_handle == 0L) {
2505 return NULL;
2506 }
2507 jobject global_handle = (jobject) obj_handle;
2508 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle);
2509 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject();
2510
2511 JVMCIENV->destroy_global(global_handle_obj);
2512 return result;
2513 }
2514
2515 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle))
2516 JVMCIObject code = JVMCIENV->wrap(code_handle);
2517 // Execute this operation for the side effect of updating the InstalledCode state
2518 nmethodLocker locker;
2519 JVMCIENV->get_nmethod(code, locker);
2520 }
2521
2522 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle))
2523 JVMCIObject code = JVMCIENV->wrap(code_handle);
2524 nmethodLocker locker;
2525 CodeBlob* cb = JVMCIENV->get_code_blob(code, locker);
2526 if (cb == NULL) {
2527 return NULL;
2528 }
2529 int code_size = cb->code_size();
2530 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
2531 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size);
2532 return JVMCIENV->get_jbyteArray(result);
2533 }
2534
2535 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
2536 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL);
2537 methodHandle m(THREAD, JVMCIENV->asMethod(jvmci_method));
2538 oop executable;
2539 if (m->is_initializer()) {
2540 if (m->is_static_initializer()) {
2541 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2542 "Cannot create java.lang.reflect.Method for class initializer");
2543 }
2544 executable = Reflection::new_constructor(m, CHECK_NULL);
2545 } else {
2546 executable = Reflection::new_method(m, false, CHECK_NULL);
2547 }
2548 return JNIHandles::make_local(THREAD, executable);
2549 }
2550
2551 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
2552 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL);
2553 Klass* klass = JVMCIENV->asKlass(jvmci_type);
2554 if (!klass->is_instance_klass()) {
2555 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2556 err_msg("Expected non-primitive type, got %s", klass->external_name()));
2557 }
2558 InstanceKlass* iklass = InstanceKlass::cast(klass);
2559 Array<u2>* fields = iklass->fields();
2560 if (index < 0 ||index > fields->length()) {
2561 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2562 err_msg("Field index %d out of bounds for %s", index, klass->external_name()));
2563 }
2564 fieldDescriptor fd(iklass, index);
2565 oop reflected = Reflection::new_field(&fd, CHECK_NULL);
2566 return JNIHandles::make_local(env, reflected);
2567 }
2568
2569 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current))
2570 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address);
2571 int result_length = 0;
2572 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) {
2573 result_length++;
2574 }
2575 int current_length = 0;
2576 JVMCIObjectArray current_array = NULL;
2577 if (current != NULL) {
2578 current_array = JVMCIENV->wrap(current);
2579 current_length = JVMCIENV->get_length(current_array);
2580 if (current_length == result_length) {
2581 // No new failures
2582 return current;
2583 }
2584 }
2585 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL);
2586 int result_index = 0;
2587 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) {
2588 assert(fs != NULL, "npe");
2589 JVMCIPrimitiveArray entry;
2590 if (result_index < current_length) {
2591 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index);
2592 } else {
2593 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL);
2594 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len());
2595 }
2596 JVMCIENV->put_object_at(result, result_index++, entry);
2597 }
2598 return JVMCIENV->get_jobjectArray(result);
2599 }
2600
2601 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method))
2602 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
2603 MethodData* method_data = method->method_data();
2604 if (method_data == NULL) {
2605 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
2606 method_data = MethodData::allocate(loader_data, method, CHECK_0);
2607 method->set_method_data(method_data);
2608 }
2609 return (jlong) method_data->get_failed_speculations_address();
2610 }
2611
2612 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address))
2613 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address);
2614 }
2615
2616 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj))
2617 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj);
2618 int speculation_len = JVMCIENV->get_length(speculation_handle);
2619 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len);
2620 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len);
2621 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len);
2622 }
2623
2624 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status))
2625 JavaValue result(T_VOID);
2626 JavaCallArguments jargs(1);
2627 jargs.push_int(status);
2628 JavaCalls::call_static(&result,
2629 SystemDictionary::System_klass(),
2630 vmSymbols::exit_method_name(),
2631 vmSymbols::int_void_signature(),
2632 &jargs,
2633 CHECK);
2634 }
2635
2636 #define CC (char*) /*cast a literal from (const char*)*/
2637 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
2638
2639 #define STRING "Ljava/lang/String;"
2640 #define OBJECT "Ljava/lang/Object;"
2641 #define CLASS "Ljava/lang/Class;"
2642 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;"
2643 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;"
2644 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
2645 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
2646 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
2647 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
2648 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
2649 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;"
2650 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
2651 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
2652 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
2653 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
2654 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;"
2655 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;"
2656 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;"
2657 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;"
2658 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
2659 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
2660 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
2661 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
2662 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
2663 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
2664 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;"
2665 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;"
2666 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;"
2667 #define METASPACE_METHOD_DATA "J"
2668
2669 JNINativeMethod CompilerToVM::methods[] = {
2670 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
2671 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
2672 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
2673 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
2674 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
2675 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
2676 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
2677 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
2678 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
2679 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
2680 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
2681 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)},
2682 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)},
2683 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)},
2684 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
2685 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
2686 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
2687 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
2688 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
2689 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)},
2690 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
2691 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
2692 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)},
2693 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
2694 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
2695 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
2696 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
2697 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
2698 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
2699 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
2700 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
2701 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
2702 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
2703 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
2704 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
2705 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
2706 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
2707 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)},
2708 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
2709 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)},
2710 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
2711 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
2712 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
2713 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)},
2714 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
2715 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
2716 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
2717 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
2718 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)},
2719 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)},
2720 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
2721 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)},
2722 {CC "setCountersSize", CC "(I)V", FN_PTR(setCountersSize)},
2723 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
2724 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
2725 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
2726 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
2727 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
2728 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
2729 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
2730 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)},
2731 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
2732 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
2733 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
2734 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
2735 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
2736 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)},
2737 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
2738 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)},
2739 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)},
2740 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)},
2741 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)},
2742 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)},
2743 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)},
2744 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)},
2745 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)},
2746 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)},
2747 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)},
2748 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2749 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2750 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)},
2751 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)},
2752 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)},
2753 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)},
2754 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)},
2755 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)},
2756 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)},
2757 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)},
2758 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)},
2759 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)},
2760 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)},
2761 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)},
2762 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)},
2763 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)},
2764 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)},
2765 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)},
2766 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)},
2767 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)},
2768 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)},
2769 {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)},
2770 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)},
2771 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)},
2772 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)},
2773 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)},
2774 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)},
2775 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)},
2776 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)},
2777 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)},
2778 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)},
2779 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)},
2780 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)},
2781 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)},
2782 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)},
2783 };
2784
2785 int CompilerToVM::methods_count() {
2786 return sizeof(methods) / sizeof(JNINativeMethod);
2787 }