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/javaClasses.inline.hpp"
26 #include "classfile/stringTable.hpp"
27 #include "classfile/symbolTable.hpp"
28 #include "code/scopeDesc.hpp"
29 #include "compiler/compileBroker.hpp"
30 #include "compiler/disassembler.hpp"
31 #include "interpreter/linkResolver.hpp"
32 #include "interpreter/bytecodeStream.hpp"
33 #include "jvmci/jvmciCompilerToVM.hpp"
34 #include "jvmci/jvmciCodeInstaller.hpp"
35 #include "jvmci/jvmciRuntime.hpp"
36 #include "memory/oopFactory.hpp"
37 #include "memory/universe.hpp"
38 #include "oops/constantPool.inline.hpp"
39 #include "oops/method.inline.hpp"
40 #include "oops/typeArrayOop.inline.hpp"
41 #include "prims/nativeLookup.hpp"
42 #include "runtime/deoptimization.hpp"
43 #include "runtime/fieldDescriptor.inline.hpp"
44 #include "runtime/frame.inline.hpp"
45 #include "runtime/interfaceSupport.inline.hpp"
46 #include "runtime/jniHandles.inline.hpp"
47 #include "runtime/timerTrace.hpp"
48 #include "runtime/vframe_hp.hpp"
49
50 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
51 _thread = thread;
52 _klass = klass;
53 if (klass != NULL) {
54 _holder = Handle(_thread, klass->klass_holder());
55 }
56 }
57
58 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
59 _klass = klass;
60 if (klass != NULL) {
61 _holder = Handle(_thread, klass->klass_holder());
62 }
63 return *this;
64 }
65
66 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) {
67 if (!JVMCIENV->is_hotspot()) {
68 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller));
69 }
70 }
71
72 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) {
73 if (thread != NULL) {
74 // Allocate a new block for JNI handles.
75 // Inlined code from jni_PushLocalFrame()
76 JNIHandleBlock* java_handles = thread->active_handles();
77 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
78 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
79 compile_handles->set_pop_frame_link(java_handles);
80 thread->set_active_handles(compile_handles);
81 }
82 }
83
84 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) {
85 if (thread != NULL) {
86 // Release our JNI handle block
87 JNIHandleBlock* compile_handles = thread->active_handles();
88 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
89 thread->set_active_handles(java_handles);
90 compile_handles->set_pop_frame_link(NULL);
91 JNIHandleBlock::release_block(compile_handles, thread); // may block
92 }
93 }
94
95 class JVMCITraceMark : public StackObj {
96 const char* _msg;
97 public:
98 JVMCITraceMark(const char* msg) {
99 _msg = msg;
100 if (JVMCITraceLevel >= 1) {
101 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg);
102 }
103 }
104 ~JVMCITraceMark() {
105 if (JVMCITraceLevel >= 1) {
106 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg);
107 }
108 }
109 };
110
111
112 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
113 assert(_index < _args->length(), "out of bounds");
114 oop arg=((objArrayOop) (_args))->obj_at(_index++);
115 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
116 return Handle(Thread::current(), arg);
117 }
118
119 // Bring the JVMCI compiler thread into the VM state.
120 #define JVMCI_VM_ENTRY_MARK \
121 ThreadInVMfromNative __tiv(thread); \
122 ResetNoHandleMark rnhm; \
123 HandleMarkCleaner __hm(thread); \
124 Thread* THREAD = thread; \
125 debug_only(VMNativeEntryWrapper __vew;)
126
127 // Native method block that transitions current thread to '_thread_in_vm'.
128 #define C2V_BLOCK(result_type, name, signature) \
129 TRACE_CALL(result_type, jvmci_ ## name signature) \
130 JVMCI_VM_ENTRY_MARK; \
131 ResourceMark rm; \
132 JNI_JVMCIENV(thread, env);
133
134 static Thread* get_current_thread() {
135 return Thread::current_or_null_safe();
136 }
137
138 // Entry to native method implementation that transitions
139 // current thread to '_thread_in_vm'.
140 #define C2V_VMENTRY(result_type, name, signature) \
141 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
142 Thread* base_thread = get_current_thread(); \
143 if (base_thread == NULL) { \
144 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
145 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
146 return; \
147 } \
148 assert(base_thread->is_Java_thread(), "just checking");\
149 JavaThread* thread = (JavaThread*) base_thread; \
150 JVMCITraceMark jtm("CompilerToVM::" #name); \
151 C2V_BLOCK(result_type, name, signature)
152
153 #define C2V_VMENTRY_(result_type, name, signature, result) \
154 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
155 Thread* base_thread = get_current_thread(); \
156 if (base_thread == NULL) { \
157 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
158 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
159 return result; \
160 } \
161 assert(base_thread->is_Java_thread(), "just checking");\
162 JavaThread* thread = (JavaThread*) base_thread; \
163 JVMCITraceMark jtm("CompilerToVM::" #name); \
164 C2V_BLOCK(result_type, name, signature)
165
166 #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL)
167 #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0)
168
169 // Entry to native method implementation that does not transition
170 // current thread to '_thread_in_vm'.
171 #define C2V_VMENTRY_PREFIX(result_type, name, signature) \
172 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
173 Thread* base_thread = get_current_thread();
174
175 #define C2V_END }
176
177 #define JNI_THROW(caller, name, msg) do { \
178 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
179 if (__throw_res != JNI_OK) { \
180 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
181 } \
182 return; \
183 } while (0);
184
185 #define JNI_THROW_(caller, name, msg, result) do { \
186 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
187 if (__throw_res != JNI_OK) { \
188 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
189 } \
190 return result; \
191 } while (0)
192
193 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS);
194
195 C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env))
196 jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL);
197 return config;
198 }
199
200 C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle))
201 #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();
202 #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();
203 JVMCIObject name = JVMCIENV->wrap(name_handle);
204 if (name.is_null()) {
205 JVMCI_THROW_NULL(NullPointerException);
206 }
207 const char* cstring = JVMCIENV->as_utf8_string(name);
208 const JVMFlag* flag = JVMFlag::find_declared_flag(cstring);
209 if (flag == NULL) {
210 return c2vm;
211 }
212 if (flag->is_bool()) {
213 jvalue prim;
214 prim.z = flag->get_bool();
215 JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
216 return JVMCIENV->get_jobject(box);
217 } else if (flag->is_ccstr()) {
218 JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL);
219 return JVMCIENV->get_jobject(value);
220 } else if (flag->is_intx()) {
221 RETURN_BOXED_LONG(flag->get_intx());
222 } else if (flag->is_int()) {
223 RETURN_BOXED_LONG(flag->get_int());
224 } else if (flag->is_uint()) {
225 RETURN_BOXED_LONG(flag->get_uint());
226 } else if (flag->is_uint64_t()) {
227 RETURN_BOXED_LONG(flag->get_uint64_t());
228 } else if (flag->is_size_t()) {
229 RETURN_BOXED_LONG(flag->get_size_t());
230 } else if (flag->is_uintx()) {
231 RETURN_BOXED_LONG(flag->get_uintx());
232 } else if (flag->is_double()) {
233 RETURN_BOXED_DOUBLE(flag->get_double());
234 } else {
235 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
236 }
237 #undef RETURN_BOXED_LONG
238 #undef RETURN_BOXED_DOUBLE
239 C2V_END
240
241 C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address))
242 requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL);
243 if (oop_address == 0) {
244 JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero");
245 }
246 oop obj = *((oopDesc**) oop_address);
247 if (obj != NULL) {
248 oopDesc::verify(obj);
249 }
250 return JNIHandles::make_local(obj);
251 C2V_END
252
253 C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method))
254 methodHandle method = JVMCIENV->asMethod(jvmci_method);
255
256 int code_size = method->code_size();
257 jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size);
258
259 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
260 // iterate over all bytecodes and replace non-Java bytecodes
261
262 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
263 Bytecodes::Code code = s.code();
264 Bytecodes::Code raw_code = s.raw_code();
265 int bci = s.bci();
266 int len = s.instruction_size();
267
268 // Restore original byte code.
269 reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code);
270 if (len > 1) {
271 memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1);
272 }
273
274 if (len > 1) {
275 // Restore the big-endian constant pool indexes.
276 // Cf. Rewriter::scan_method
277 switch (code) {
278 case Bytecodes::_getstatic:
279 case Bytecodes::_putstatic:
280 case Bytecodes::_getfield:
281 case Bytecodes::_putfield:
282 case Bytecodes::_invokevirtual:
283 case Bytecodes::_invokespecial:
284 case Bytecodes::_invokestatic:
285 case Bytecodes::_invokeinterface:
286 case Bytecodes::_invokehandle: {
287 int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
288 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
289 break;
290 }
291
292 case Bytecodes::_invokedynamic: {
293 int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1));
294 Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index);
295 break;
296 }
297
298 default:
299 break;
300 }
301
302 // Not all ldc byte code are rewritten.
303 switch (raw_code) {
304 case Bytecodes::_fast_aldc: {
305 int cpc_index = reconstituted_code[bci + 1] & 0xff;
306 int cp_index = method->constants()->object_to_cp_index(cpc_index);
307 assert(cp_index < method->constants()->length(), "sanity check");
308 reconstituted_code[bci + 1] = (jbyte) cp_index;
309 break;
310 }
311
312 case Bytecodes::_fast_aldc_w: {
313 int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
314 int cp_index = method->constants()->object_to_cp_index(cpc_index);
315 assert(cp_index < method->constants()->length(), "sanity check");
316 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
317 break;
318 }
319
320 default:
321 break;
322 }
323 }
324 }
325
326 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
327 JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size);
328 return JVMCIENV->get_jbyteArray(result);
329 C2V_END
330
331 C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
332 methodHandle method = JVMCIENV->asMethod(jvmci_method);
333 return method->exception_table_length();
334 C2V_END
335
336 C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
337 methodHandle method = JVMCIENV->asMethod(jvmci_method);
338 if (method->exception_table_length() == 0) {
339 return 0L;
340 }
341 return (jlong) (address) method->exception_table_start();
342 C2V_END
343
344 C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle))
345 requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL);
346 oop executable = JNIHandles::resolve(executable_handle);
347 oop mirror = NULL;
348 int slot = 0;
349
350 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
351 mirror = java_lang_reflect_Constructor::clazz(executable);
352 slot = java_lang_reflect_Constructor::slot(executable);
353 } else {
354 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
355 mirror = java_lang_reflect_Method::clazz(executable);
356 slot = java_lang_reflect_Method::slot(executable);
357 }
358 Klass* holder = java_lang_Class::as_Klass(mirror);
359 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
360 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
361 return JVMCIENV->get_jobject(result);
362 }
363
364 C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset))
365 methodHandle method;
366 JVMCIObject base_object = JVMCIENV->wrap(base);
367 if (base_object.is_null()) {
368 method = *((Method**)(offset));
369 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
370 Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
371 if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) {
372 method = (Method*) (intptr_t) obj->long_field(offset);
373 } else {
374 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name()));
375 }
376 } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
377 method = JVMCIENV->asMethod(base_object);
378 }
379 if (method.is_null()) {
380 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
381 }
382 assert (method.is_null() || method->is_method(), "invalid read");
383 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
384 return JVMCIENV->get_jobject(result);
385 }
386
387 C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle))
388 constantPoolHandle cp;
389 JVMCIObject object = JVMCIENV->wrap(object_handle);
390 if (object.is_null()) {
391 JVMCI_THROW_NULL(NullPointerException);
392 }
393 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) {
394 cp = JVMCIENV->asMethod(object)->constMethod()->constants();
395 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) {
396 cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants();
397 } else {
398 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
399 err_msg("Unexpected type: %s", JVMCIENV->klass_name(object)));
400 }
401 assert(!cp.is_null(), "npe");
402
403 JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(cp, JVMCI_CHECK_NULL);
404 return JVMCIENV->get_jobject(result);
405 }
406
407 C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed))
408 JVMCIKlassHandle klass(THREAD);
409 JVMCIObject base_object = JVMCIENV->wrap(base);
410 jlong base_address = 0;
411 if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) {
412 // klass = JVMCIENV->unhandle(base_object)->klass();
413 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
414 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
415 klass = base_oop->klass();
416 } else {
417 assert(false, "What types are we actually expecting here?");
418 }
419 } else if (!compressed) {
420 if (base_object.is_non_null()) {
421 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
422 base_address = (intptr_t) JVMCIENV->asMethod(base_object);
423 } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) {
424 base_address = (intptr_t) JVMCIENV->asConstantPool(base_object);
425 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
426 base_address = (intptr_t) JVMCIENV->asKlass(base_object);
427 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
428 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
429 if (base_oop->is_a(SystemDictionary::Class_klass())) {
430 base_address = (jlong) (address) base_oop();
431 }
432 }
433 if (base_address == 0) {
434 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
435 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false"));
436 }
437 }
438 klass = *((Klass**) (intptr_t) (base_address + offset));
439 } else {
440 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
441 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
442 base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null",
443 offset, compressed ? "true" : "false"));
444 }
445 assert (klass == NULL || klass->is_klass(), "invalid read");
446 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
447 return JVMCIENV->get_jobject(result);
448 }
449
450 C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
451 methodHandle method = JVMCIENV->asMethod(jvmci_method);
452 Klass* holder = JVMCIENV->asKlass(jvmci_type);
453 if (holder->is_interface()) {
454 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name()));
455 }
456 if (method->can_be_statically_bound()) {
457 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()));
458 }
459
460 methodHandle ucm;
461 {
462 MutexLocker locker(Compile_lock);
463 ucm = Dependencies::find_unique_concrete_method(holder, method());
464 }
465 JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL);
466 return JVMCIENV->get_jobject(result);
467 C2V_END
468
469 C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type))
470 Klass* klass = JVMCIENV->asKlass(jvmci_type);
471 if (!klass->is_interface()) {
472 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
473 err_msg("Expected interface type, got %s", klass->external_name()));
474 }
475 InstanceKlass* iklass = InstanceKlass::cast(klass);
476 JVMCIKlassHandle handle(THREAD);
477 {
478 // Need Compile_lock around implementor()
479 MutexLocker locker(Compile_lock);
480 handle = iklass->implementor();
481 }
482 JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
483 return JVMCIENV->get_jobject(implementor);
484 C2V_END
485
486 C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method))
487 methodHandle method = JVMCIENV->asMethod(jvmci_method);
488 return method->is_ignored_by_security_stack_walk();
489 C2V_END
490
491 C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
492 methodHandle method = JVMCIENV->asMethod(jvmci_method);
493 constantPoolHandle cp = method->constMethod()->constants();
494 assert(!cp.is_null(), "npe");
495 // don't inline method when constant pool contains a CONSTANT_Dynamic
496 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
497 C2V_END
498
499 C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method))
500 methodHandle method = JVMCIENV->asMethod(jvmci_method);
501 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
502 C2V_END
503
504 C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method))
505 methodHandle method = JVMCIENV->asMethod(jvmci_method);
506 return CompilerOracle::should_inline(method) || method->force_inline();
507 C2V_END
508
509 C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve))
510 JVMCIObject name = JVMCIENV->wrap(jname);
511 const char* str = JVMCIENV->as_utf8_string(name);
512 TempNewSymbol class_name = SymbolTable::new_symbol(str);
513
514 if (class_name->utf8_length() <= 1) {
515 JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
516 }
517
518 JVMCIKlassHandle resolved_klass(THREAD);
519 Klass* accessing_klass = NULL;
520 Handle class_loader;
521 Handle protection_domain;
522 if (accessing_class != NULL) {
523 accessing_klass = JVMCIENV->asKlass(accessing_class);
524 class_loader = Handle(THREAD, accessing_klass->class_loader());
525 protection_domain = Handle(THREAD, accessing_klass->protection_domain());
526 } else {
527 // Use the System class loader
528 class_loader = Handle(THREAD, SystemDictionary::java_system_loader());
529 JVMCIENV->runtime()->initialize(JVMCIENV);
530 }
531
532 if (resolve) {
533 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
534 if (resolved_klass == NULL) {
535 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str);
536 }
537 } else {
538 if (class_name->char_at(0) == 'L' &&
539 class_name->char_at(class_name->utf8_length()-1) == ';') {
540 // This is a name from a signature. Strip off the trimmings.
541 // Call recursive to keep scope of strippedsym.
542 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
543 class_name->utf8_length()-2);
544 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
545 } else if (FieldType::is_array(class_name)) {
546 FieldArrayInfo fd;
547 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
548 // of this call
549 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
550 if (t == T_OBJECT) {
551 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
552 class_name->utf8_length()-2-fd.dimension());
553 resolved_klass = SystemDictionary::find(strippedsym,
554 class_loader,
555 protection_domain,
556 CHECK_0);
557 if (!resolved_klass.is_null()) {
558 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
559 }
560 } else {
561 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0);
562 }
563 } else {
564 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_0);
565 }
566 }
567 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
568 return JVMCIENV->get_jobject(result);
569 C2V_END
570
571 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type))
572 if (jvmci_type == NULL) {
573 JVMCI_THROW_0(NullPointerException);
574 }
575
576 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type);
577 JVMCIKlassHandle array_klass(THREAD);
578 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) {
579 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0);
580 if (type == T_VOID) {
581 return NULL;
582 }
583 array_klass = Universe::typeArrayKlassObj(type);
584 if (array_klass == NULL) {
585 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type)));
586 }
587 } else {
588 Klass* klass = JVMCIENV->asKlass(jvmci_type);
589 if (klass == NULL) {
590 JVMCI_THROW_0(NullPointerException);
591 }
592 array_klass = klass->array_klass(CHECK_NULL);
593 }
594 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL);
595 return JVMCIENV->get_jobject(result);
596 C2V_END
597
598 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror))
599 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL);
600 if (mirror == NULL) {
601 return NULL;
602 }
603 JVMCIKlassHandle klass(THREAD);
604 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
605 if (klass == NULL) {
606 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported");
607 }
608 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
609 return JVMCIENV->get_jobject(result);
610 }
611
612 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
613 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
614 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
615 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result));
616 C2V_END
617
618 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
619 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
620 return cp->name_and_type_ref_index_at(index);
621 C2V_END
622
623 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
624 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
625 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL);
626 return JVMCIENV->get_jobject(sym);
627 C2V_END
628
629 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
630 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
631 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL);
632 return JVMCIENV->get_jobject(sym);
633 C2V_END
634
635 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
636 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
637 return cp->klass_ref_index_at(index);
638 C2V_END
639
640 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
641 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
642 Klass* klass = cp->klass_at(index, CHECK_NULL);
643 JVMCIKlassHandle resolved_klass(THREAD, klass);
644 if (resolved_klass->is_instance_klass()) {
645 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL);
646 if (!InstanceKlass::cast(resolved_klass())->is_linked()) {
647 // link_class() should not return here if there is an issue.
648 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name()));
649 }
650 }
651 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
652 return JVMCIENV->get_jobject(klassObject);
653 C2V_END
654
655 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
656 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
657 Klass* loading_klass = cp->pool_holder();
658 bool is_accessible = false;
659 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass));
660 Symbol* symbol = NULL;
661 if (klass.is_null()) {
662 constantTag tag = cp->tag_at(index);
663 if (tag.is_klass()) {
664 // The klass has been inserted into the constant pool
665 // very recently.
666 klass = cp->resolved_klass_at(index);
667 } else if (tag.is_symbol()) {
668 symbol = cp->symbol_at(index);
669 } else {
670 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag");
671 symbol = cp->klass_name_at(index);
672 }
673 }
674 JVMCIObject result;
675 if (!klass.is_null()) {
676 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
677 } else {
678 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL);
679 }
680 return JVMCIENV->get_jobject(result);
681 C2V_END
682
683 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
684 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
685 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
686 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop));
687 C2V_END
688
689 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
690 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
691 InstanceKlass* pool_holder = cp->pool_holder();
692 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
693 methodHandle method = JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder);
694 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
695 return JVMCIENV->get_jobject(result);
696 C2V_END
697
698 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
699 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
700 return cp->remap_instruction_operand_from_cache(index);
701 C2V_END
702
703 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
704 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
705 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
706 fieldDescriptor fd;
707 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL, CHECK_0);
708 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
709 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle);
710 if (info.is_null() || JVMCIENV->get_length(info) != 3) {
711 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
712 }
713 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int());
714 JVMCIENV->put_int_at(info, 1, fd.offset());
715 JVMCIENV->put_int_at(info, 2, fd.index());
716 JVMCIKlassHandle handle(THREAD, fd.field_holder());
717 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
718 return JVMCIENV->get_jobject(field_holder);
719 C2V_END
720
721 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
722 Klass* klass = JVMCIENV->asKlass(jvmci_type);
723 Method* method = JVMCIENV->asMethod(jvmci_method);
724 if (klass->is_interface()) {
725 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name()));
726 }
727 if (!method->method_holder()->is_interface()) {
728 JVMCI_THROW_MSG_0(InternalError, err_msg("Method %s is not held by an interface, this case should be handled in Java code", method->name_and_sig_as_C_string()));
729 }
730 if (!klass->is_instance_klass()) {
731 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
732 }
733 if (!InstanceKlass::cast(klass)->is_linked()) {
734 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name()));
735 }
736 return LinkResolver::vtable_index_of_interface_method(klass, method);
737 C2V_END
738
739 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
740 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type);
741 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type);
742 methodHandle method = JVMCIENV->asMethod(jvmci_method);
743
744 Klass* resolved = method->method_holder();
745 Symbol* h_name = method->name();
746 Symbol* h_signature = method->signature();
747
748 if (MethodHandles::is_signature_polymorphic_method(method())) {
749 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
750 return NULL;
751 }
752
753 if (method->name() == vmSymbols::clone_name() &&
754 resolved == SystemDictionary::Object_klass() &&
755 recv_klass->is_array_klass()) {
756 // Resolution of the clone method on arrays always returns Object.clone even though that method
757 // has protected access. There's some trickery in the access checking to make this all work out
758 // so it's necessary to pass in the array class as the resolved class to properly trigger this.
759 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See
760 // LinkResolver::check_method_accessability for the matching logic.
761 resolved = recv_klass;
762 }
763
764 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
765 methodHandle m;
766 // Only do exact lookup if receiver klass has been linked. Otherwise,
767 // the vtable has not been setup, and the LinkResolver will fail.
768 if (recv_klass->is_array_klass() ||
769 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
770 if (resolved->is_interface()) {
771 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
772 } else {
773 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
774 }
775 }
776
777 if (m.is_null()) {
778 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
779 return NULL;
780 }
781
782 JVMCIObject result = JVMCIENV->get_jvmci_method(m, JVMCI_CHECK_NULL);
783 return JVMCIENV->get_jobject(result);
784 C2V_END
785
786 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type))
787 Klass* klass = JVMCIENV->asKlass(jvmci_type);
788 assert(klass != NULL, "method must not be called for primitive types");
789 return Dependencies::find_finalizable_subclass(klass) != NULL;
790 C2V_END
791
792 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type))
793 Klass* klass = JVMCIENV->asKlass(jvmci_type);
794 if (!klass->is_instance_klass()) {
795 return NULL;
796 }
797 InstanceKlass* iklass = InstanceKlass::cast(klass);
798 JVMCIObject result = JVMCIENV->get_jvmci_method(iklass->class_initializer(), JVMCI_CHECK_NULL);
799 return JVMCIENV->get_jobject(result);
800 C2V_END
801
802 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr))
803 address target_addr = (address) addr;
804 if (target_addr != 0x0) {
805 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
806 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
807 return MAX2(ABS(off_low), ABS(off_high));
808 }
809 return -1;
810 C2V_END
811
812 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
813 methodHandle method = JVMCIENV->asMethod(jvmci_method);
814 method->set_not_c1_compilable();
815 method->set_not_c2_compilable();
816 method->set_dont_inline(true);
817 C2V_END
818
819 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code,
820 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj))
821 HandleMark hm;
822 JNIHandleMark jni_hm(thread);
823
824 JVMCIObject target_handle = JVMCIENV->wrap(target);
825 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
826 CodeBlob* cb = NULL;
827 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code);
828 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj);
829
830 int speculations_len = JVMCIENV->get_length(speculations_handle);
831 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len);
832 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len);
833
834 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
835
836 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
837 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0;
838
839 CodeInstaller installer(JVMCIENV, is_immutable_PIC);
840 JVMCI::CodeInstallResult result = installer.install(compiler,
841 target_handle,
842 compiled_code_handle,
843 cb,
844 installed_code_handle,
845 (FailedSpeculation**)(address) failed_speculations_address,
846 speculations,
847 speculations_len,
848 JVMCI_CHECK_0);
849
850 if (PrintCodeCacheOnCompilation) {
851 stringStream s;
852 // Dump code cache into a buffer before locking the tty,
853 {
854 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
855 CodeCache::print_summary(&s, false);
856 }
857 ttyLocker ttyl;
858 tty->print_raw_cr(s.as_string());
859 }
860
861 if (result != JVMCI::ok) {
862 assert(cb == NULL, "should be");
863 } else {
864 if (installed_code_handle.is_non_null()) {
865 if (cb->is_nmethod()) {
866 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type");
867 // Clear the link to an old nmethod first
868 JVMCIObject nmethod_mirror = installed_code_handle;
869 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0);
870 } else {
871 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type");
872 }
873 // Initialize the link to the new code blob
874 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0);
875 }
876 }
877 return result;
878 C2V_END
879
880 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata))
881 #if INCLUDE_AOT
882 HandleMark hm;
883 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode");
884
885 JVMCIObject target_handle = JVMCIENV->wrap(target);
886 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
887 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata);
888
889 CodeMetadata code_metadata;
890
891 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */);
892 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0);
893 if (result != JVMCI::ok) {
894 return result;
895 }
896
897 if (code_metadata.get_nr_pc_desc() > 0) {
898 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc();
899 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
900 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size);
901 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array);
902 }
903
904 if (code_metadata.get_scopes_size() > 0) {
905 int size = code_metadata.get_scopes_size();
906 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
907 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size);
908 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array);
909 }
910
911 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
912 int size = (int) reloc_buffer->size();
913 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
914 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size);
915 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array);
916
917 const OopMapSet* oopMapSet = installer.oopMapSet();
918 {
919 ResourceMark mark;
920 ImmutableOopMapBuilder builder(oopMapSet);
921 int size = builder.heap_size();
922 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
923 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0));
924 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array);
925 }
926
927 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
928
929 int nr_meta_refs = recorder->nr_meta_refs();
930 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full));
931 for (int i = 0; i < nr_meta_refs; ++i) {
932 jobject element = recorder->meta_element(i);
933 if (element == NULL) {
934 return JVMCI::cache_full;
935 }
936 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element));
937 }
938 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray);
939
940 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
941 int table_size = handler->size_in_bytes();
942 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full));
943 if (table_size > 0) {
944 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0));
945 }
946 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray);
947
948 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table();
949 int implicit_table_size = implicit->size_in_bytes();
950 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full));
951 if (implicit_table_size > 0) {
952 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size);
953 }
954 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray);
955
956 return result;
957 #else
958 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
959 #endif
960 C2V_END
961
962 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject))
963 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
964 CompilerStatistics* stats = compiler->stats();
965 stats->_standard.reset();
966 stats->_osr.reset();
967 C2V_END
968
969 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode))
970 HandleMark hm;
971
972 if (installedCode == NULL) {
973 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null");
974 }
975
976 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode);
977 CodeBlob* cb = JVMCIENV->asCodeBlob(installedCodeObject);
978 if (cb == NULL) {
979 return NULL;
980 }
981
982 // We don't want the stringStream buffer to resize during disassembly as it
983 // uses scoped resource memory. If a nested function called during disassembly uses
984 // a ResourceMark and the buffer expands within the scope of the mark,
985 // the buffer becomes garbage when that scope is exited. Experience shows that
986 // the disassembled code is typically about 10x the code size so a fixed buffer
987 // sized to 20x code size plus a fixed amount for header info should be sufficient.
988 int bufferSize = cb->code_size() * 20 + 1024;
989 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
990 stringStream st(buffer, bufferSize);
991 if (cb->is_nmethod()) {
992 nmethod* nm = (nmethod*) cb;
993 if (!nm->is_alive()) {
994 return NULL;
995 }
996 }
997 Disassembler::decode(cb, &st);
998 if (st.size() <= 0) {
999 return NULL;
1000 }
1001
1002 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL);
1003 return JVMCIENV->get_jobject(result);
1004 C2V_END
1005
1006 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci))
1007 HandleMark hm;
1008
1009 methodHandle method = JVMCIENV->asMethod(jvmci_method);
1010 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL);
1011 return JVMCIENV->get_jobject(element);
1012 C2V_END
1013
1014 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod))
1015 // The incoming arguments array would have to contain JavaConstants instead of regular objects
1016 // and the return value would have to be wrapped as a JavaConstant.
1017 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL);
1018
1019 HandleMark hm;
1020
1021 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1022 nmethod* nm = JVMCIENV->asNmethod(nmethod_mirror);
1023 if (nm == NULL) {
1024 JVMCI_THROW_NULL(InvalidInstalledCodeException);
1025 }
1026 methodHandle mh = nm->method();
1027 Symbol* signature = mh->signature();
1028 JavaCallArguments jca(mh->size_of_parameters());
1029
1030 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1031 JavaValue result(jap.get_ret_type());
1032 jca.set_alternative_target(nm);
1033 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1034
1035 if (jap.get_ret_type() == T_VOID) {
1036 return NULL;
1037 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1038 return JNIHandles::make_local((oop) result.get_jobject());
1039 } else {
1040 jvalue *value = (jvalue *) result.get_value_addr();
1041 // Narrow the value down if required (Important on big endian machines)
1042 switch (jap.get_ret_type()) {
1043 case T_BOOLEAN:
1044 value->z = (jboolean) value->i;
1045 break;
1046 case T_BYTE:
1047 value->b = (jbyte) value->i;
1048 break;
1049 case T_CHAR:
1050 value->c = (jchar) value->i;
1051 break;
1052 case T_SHORT:
1053 value->s = (jshort) value->i;
1054 break;
1055 default:
1056 break;
1057 }
1058 JVMCIObject o = JVMCIENV->create_box(jap.get_ret_type(), value, JVMCI_CHECK_NULL);
1059 return JVMCIENV->get_jobject(o);
1060 }
1061 C2V_END
1062
1063 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method))
1064 Method* method = JVMCIENV->asMethod(jvmci_method);
1065 if (!method->has_linenumber_table()) {
1066 return NULL;
1067 }
1068 u2 num_entries = 0;
1069 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1070 while (streamForSize.read_pair()) {
1071 num_entries++;
1072 }
1073
1074 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1075 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL);
1076
1077 int i = 0;
1078 jlong value;
1079 while (stream.read_pair()) {
1080 value = ((long) stream.bci());
1081 JVMCIENV->put_long_at(result, i, value);
1082 value = ((long) stream.line());
1083 JVMCIENV->put_long_at(result, i + 1, value);
1084 i += 2;
1085 }
1086
1087 return (jlongArray) JVMCIENV->get_jobject(result);
1088 C2V_END
1089
1090 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
1091 Method* method = JVMCIENV->asMethod(jvmci_method);
1092 if (!method->has_localvariable_table()) {
1093 return 0;
1094 }
1095 return (jlong) (address) method->localvariable_table_start();
1096 C2V_END
1097
1098 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
1099 Method* method = JVMCIENV->asMethod(jvmci_method);
1100 return method->localvariable_table_length();
1101 C2V_END
1102
1103 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method))
1104 Method* method = JVMCIENV->asMethod(jvmci_method);
1105 MethodCounters* mcs = method->method_counters();
1106 if (mcs != NULL) {
1107 mcs->clear_counters();
1108 }
1109 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1110
1111 CompiledMethod* code = method->code();
1112 if (code != NULL) {
1113 code->make_not_entrant();
1114 }
1115
1116 MethodData* method_data = method->method_data();
1117 if (method_data == NULL) {
1118 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1119 method_data = MethodData::allocate(loader_data, method, CHECK);
1120 method->set_method_data(method_data);
1121 } else {
1122 method_data->initialize();
1123 }
1124 C2V_END
1125
1126
1127 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod))
1128 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1129 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK);
1130 C2V_END
1131
1132 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr))
1133 oop ret = RawAccess<>::oop_load((oop*)(address)addr);
1134 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret));
1135 C2V_END
1136
1137 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject))
1138 // Returns a zero length array if counters aren't enabled
1139 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL);
1140 if (JVMCICounterSize > 0) {
1141 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize);
1142 JavaThread::collect_counters(temp_array, JVMCICounterSize);
1143 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize);
1144 }
1145 return (jlongArray) JVMCIENV->get_jobject(array);
1146 C2V_END
1147
1148 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject))
1149 return (jint) JVMCICounterSize;
1150 C2V_END
1151
1152 C2V_VMENTRY_0(jboolean, setCountersSize, (JNIEnv* env, jobject, jint new_size))
1153 return JavaThread::resize_all_jvmci_counters(new_size);
1154 C2V_END
1155
1156 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci))
1157 HandleMark hm;
1158 if (jvmci_method == NULL) {
1159 JVMCI_THROW_0(NullPointerException);
1160 }
1161 Method* method = JVMCIENV->asMethod(jvmci_method);
1162 if (entry_bci >= method->code_size() || entry_bci < -1) {
1163 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci));
1164 }
1165 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1166 C2V_END
1167
1168
1169 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data))
1170 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1171 return mdo != NULL && mdo->is_mature();
1172 C2V_END
1173
1174 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1175 Method* method = JVMCIENV->asMethod(jvmci_method);
1176 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1177 C2V_END
1178
1179 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol))
1180 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL);
1181 return JVMCIENV->get_jobject(sym);
1182 C2V_END
1183
1184 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) {
1185 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1186
1187 for (int i = 0; i < methods_oop->length(); i++) {
1188 oop resolved = methods_oop->obj_at(i);
1189 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) {
1190 return true;
1191 }
1192 }
1193 return false;
1194 }
1195
1196 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
1197 CallInfo callinfo;
1198 Handle receiver = args->receiver();
1199 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
1200 LinkInfo link_info(spec_klass, name, signature);
1201 LinkResolver::resolve_interface_call(
1202 callinfo, receiver, recvrKlass, link_info, true, CHECK);
1203 methodHandle method = callinfo.selected_method();
1204 assert(method.not_null(), "should have thrown exception");
1205
1206 // Invoke the method
1207 JavaCalls::call(result, method, args, CHECK);
1208 }
1209
1210 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
1211
1212 if (!thread->has_last_Java_frame()) {
1213 return NULL;
1214 }
1215 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
1216
1217 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL);
1218
1219 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1220 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1221
1222 StackFrameStream fst(thread);
1223 jobjectArray methods = initial_methods;
1224
1225 int frame_number = 0;
1226 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1227
1228 while (true) {
1229 // look for the given method
1230 bool realloc_called = false;
1231 while (true) {
1232 StackValueCollection* locals = NULL;
1233 if (vf->is_compiled_frame()) {
1234 // compiled method frame
1235 compiledVFrame* cvf = compiledVFrame::cast(vf);
1236 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) {
1237 if (initialSkip > 0) {
1238 initialSkip--;
1239 } else {
1240 ScopeDesc* scope = cvf->scope();
1241 // native wrappers do not have a scope
1242 if (scope != NULL && scope->objects() != NULL) {
1243 GrowableArray<ScopeValue*>* objects;
1244 if (!realloc_called) {
1245 objects = scope->objects();
1246 } else {
1247 // some object might already have been re-allocated, only reallocate the non-allocated ones
1248 objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
1249 for (int i = 0; i < scope->objects()->length(); i++) {
1250 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
1251 if (sv->value().is_null()) {
1252 objects->append(sv);
1253 }
1254 }
1255 }
1256 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL);
1257 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
1258 realloc_called = true;
1259
1260 GrowableArray<ScopeValue*>* local_values = scope->locals();
1261 assert(local_values != NULL, "NULL locals");
1262 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1263 typeArrayHandle array(THREAD, array_oop);
1264 for (int i = 0; i < local_values->length(); i++) {
1265 ScopeValue* value = local_values->at(i);
1266 if (value->is_object()) {
1267 array->bool_at_put(i, true);
1268 }
1269 }
1270 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array());
1271 } else {
1272 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1273 }
1274
1275 locals = cvf->locals();
1276 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci());
1277 JVMCIObject method = JVMCIENV->get_jvmci_method(cvf->method(), JVMCI_CHECK_NULL);
1278 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1279 }
1280 }
1281 } else if (vf->is_interpreted_frame()) {
1282 // interpreted method frame
1283 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1284 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) {
1285 if (initialSkip > 0) {
1286 initialSkip--;
1287 } else {
1288 locals = ivf->locals();
1289 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci());
1290 JVMCIObject method = JVMCIENV->get_jvmci_method(ivf->method(), JVMCI_CHECK_NULL);
1291 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1292 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1293 }
1294 }
1295 }
1296
1297 // locals != NULL means that we found a matching frame and result is already partially initialized
1298 if (locals != NULL) {
1299 methods = match_methods;
1300 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM));
1301 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp());
1302 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number);
1303
1304 // initialize the locals array
1305 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1306 objArrayHandle array(THREAD, array_oop);
1307 for (int i = 0; i < locals->size(); i++) {
1308 StackValue* var = locals->at(i);
1309 if (var->type() == T_OBJECT) {
1310 array->obj_at_put(i, locals->at(i)->get_obj()());
1311 }
1312 }
1313 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array());
1314 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE);
1315
1316 JavaValue result(T_OBJECT);
1317 JavaCallArguments args(visitor);
1318 args.push_oop(frame_reference);
1319 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
1320 if (result.get_jobject() != NULL) {
1321 return JNIHandles::make_local(thread, (oop) result.get_jobject());
1322 }
1323 assert(initialSkip == 0, "There should be no match before initialSkip == 0");
1324 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) {
1325 // the frame has been deoptimized, we need to re-synchronize the frame and vframe
1326 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference());
1327 fst = StackFrameStream(thread);
1328 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1329 fst.next();
1330 }
1331 if (fst.current()->sp() != stack_pointer) {
1332 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1333 }
1334 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1335 if (!vf->is_compiled_frame()) {
1336 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1337 }
1338 for (int i = 0; i < frame_number; i++) {
1339 if (vf->is_top()) {
1340 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
1341 }
1342 vf = vf->sender();
1343 assert(vf->is_compiled_frame(), "Wrong frame type");
1344 }
1345 }
1346 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1347 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1348 }
1349
1350 if (vf->is_top()) {
1351 break;
1352 }
1353 frame_number++;
1354 vf = vf->sender();
1355 } // end of vframe loop
1356
1357 if (fst.is_done()) {
1358 break;
1359 }
1360 fst.next();
1361 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1362 frame_number = 0;
1363 } // end of frame loop
1364
1365 // the end was reached without finding a matching method
1366 return NULL;
1367 C2V_END
1368
1369 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1370 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
1371 CallInfo callInfo;
1372 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1373 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1374 cp_cache_entry->set_dynamic_call(cp, callInfo);
1375 C2V_END
1376
1377 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1378 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
1379 Klass* holder = cp->klass_ref_at(index, CHECK);
1380 Symbol* name = cp->name_ref_at(index);
1381 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1382 CallInfo callInfo;
1383 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1384 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1385 cp_cache_entry->set_method_handle(cp, callInfo);
1386 }
1387 C2V_END
1388
1389 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1390 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
1391 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1392 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1393 // MethodHandle.invoke* --> LambdaForm?
1394 ResourceMark rm;
1395
1396 LinkInfo link_info(cp, index, CATCH);
1397
1398 Klass* resolved_klass = link_info.resolved_klass();
1399
1400 Symbol* name_sym = cp->name_ref_at(index);
1401
1402 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1403 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1404
1405 methodHandle adapter_method(cp_cache_entry->f1_as_method());
1406
1407 methodHandle resolved_method(adapter_method);
1408
1409 // Can we treat it as a regular invokevirtual?
1410 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1411 vmassert(!resolved_method->is_static(),"!");
1412 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1413 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1414 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1415
1416 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1417 vmassert(m == resolved_method, "!!");
1418 return -1;
1419 }
1420
1421 return Bytecodes::_invokevirtual;
1422 }
1423 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1424 return Bytecodes::_invokedynamic;
1425 }
1426 return -1;
1427 C2V_END
1428
1429
1430 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject))
1431 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL);
1432 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL);
1433 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL);
1434 JVMCIENV->put_object_at(holders, 0, mh);
1435 JVMCIENV->put_object_at(holders, 1, vh);
1436 return JVMCIENV->get_jobject(holders);
1437 C2V_END
1438
1439 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject))
1440 //see compute_recording_non_safepoints in debugInfroRec.cpp
1441 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1442 return true;
1443 }
1444 return DebugNonSafepoints;
1445 C2V_END
1446
1447 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1448 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate))
1449 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame);
1450 if (hs_frame.is_null()) {
1451 JVMCI_THROW_MSG(NullPointerException, "stack frame is null");
1452 }
1453
1454 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK);
1455
1456 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK);
1457
1458 // look for the given stack frame
1459 StackFrameStream fst(thread);
1460 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame);
1461 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1462 fst.next();
1463 }
1464 if (fst.current()->sp() != stack_pointer) {
1465 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found");
1466 }
1467
1468 if (invalidate) {
1469 if (!fst.current()->is_compiled_frame()) {
1470 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1471 }
1472 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1473 ((nmethod*) fst.current()->cb())->make_not_entrant();
1474 }
1475 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1476 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1477 StackFrameStream fstAfterDeopt(thread);
1478 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1479 fstAfterDeopt.next();
1480 }
1481 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1482 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt");
1483 }
1484
1485 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1486 if (!vf->is_compiled_frame()) {
1487 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1488 }
1489
1490 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1491 while (true) {
1492 assert(vf->is_compiled_frame(), "Wrong frame type");
1493 virtualFrames->push(compiledVFrame::cast(vf));
1494 if (vf->is_top()) {
1495 break;
1496 }
1497 vf = vf->sender();
1498 }
1499
1500 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame);
1501 if (last_frame_number >= virtualFrames->length()) {
1502 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number");
1503 }
1504
1505 // Reallocate the non-escaping objects and restore their fields.
1506 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1507 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1508
1509 if (objects == NULL) {
1510 // no objects to materialize
1511 return;
1512 }
1513
1514 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK);
1515 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1516
1517 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1518 compiledVFrame* cvf = virtualFrames->at(frame_index);
1519
1520 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1521 StackValueCollection* locals = cvf->locals();
1522 if (locals != NULL) {
1523 for (int i2 = 0; i2 < locals->size(); i2++) {
1524 StackValue* var = locals->at(i2);
1525 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1526 jvalue val;
1527 val.l = (jobject) locals->at(i2)->get_obj()();
1528 cvf->update_local(T_OBJECT, i2, val);
1529 }
1530 }
1531 }
1532
1533 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1534 StackValueCollection* expressions = cvf->expressions();
1535 if (expressions != NULL) {
1536 for (int i2 = 0; i2 < expressions->size(); i2++) {
1537 StackValue* var = expressions->at(i2);
1538 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1539 jvalue val;
1540 val.l = (jobject) expressions->at(i2)->get_obj()();
1541 cvf->update_stack(T_OBJECT, i2, val);
1542 }
1543 }
1544 }
1545
1546 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1547 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1548 if (monitors != NULL) {
1549 for (int i2 = 0; i2 < monitors->length(); i2++) {
1550 cvf->update_monitor(i2, monitors->at(i2));
1551 }
1552 }
1553 }
1554
1555 // all locals are materialized by now
1556 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL);
1557 // update the locals array
1558 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame);
1559 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1560 for (int i = 0; i < locals->size(); i++) {
1561 StackValue* var = locals->at(i);
1562 if (var->type() == T_OBJECT) {
1563 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()()));
1564 }
1565 }
1566 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE);
1567 C2V_END
1568
1569 // Creates a scope where the current thread is attached and detached
1570 // from HotSpot if it wasn't already attached when entering the scope.
1571 extern "C" void jio_printf(const char *fmt, ...);
1572 class AttachDetach : public StackObj {
1573 public:
1574 bool _attached;
1575 AttachDetach(JNIEnv* env, Thread* current_thread) {
1576 if (current_thread == NULL) {
1577 extern struct JavaVM_ main_vm;
1578 JNIEnv* hotspotEnv;
1579 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
1580 _attached = res == JNI_OK;
1581 static volatile int report_attach_error = 0;
1582 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(1, &report_attach_error, 0) == 0) {
1583 // Only report an attach error once
1584 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res);
1585 }
1586 } else {
1587 _attached = false;
1588 }
1589 }
1590 ~AttachDetach() {
1591 if (_attached && get_current_thread() != NULL) {
1592 extern struct JavaVM_ main_vm;
1593 jint res = main_vm.DetachCurrentThread();
1594 static volatile int report_detach_error = 0;
1595 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(1, &report_detach_error, 0) == 0) {
1596 // Only report an attach error once
1597 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res);
1598 }
1599 }
1600 }
1601 };
1602
1603 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw))
1604 AttachDetach ad(env, base_thread);
1605 bool use_tty = true;
1606 if (base_thread == NULL) {
1607 if (!ad._attached) {
1608 // Can only use tty if the current thread is attached
1609 return 0;
1610 }
1611 base_thread = get_current_thread();
1612 }
1613 JVMCITraceMark jtm("writeDebugOutput");
1614 assert(base_thread->is_Java_thread(), "just checking");
1615 JavaThread* thread = (JavaThread*) base_thread;
1616 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length))
1617 if (bytes == NULL) {
1618 if (can_throw) {
1619 JVMCI_THROW_0(NullPointerException);
1620 }
1621 return -1;
1622 }
1623 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes);
1624
1625 // Check if offset and length are non negative.
1626 if (offset < 0 || length < 0) {
1627 if (can_throw) {
1628 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1629 }
1630 return -2;
1631 }
1632 // Check if the range is valid.
1633 int array_length = JVMCIENV->get_length(array);
1634 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) {
1635 if (can_throw) {
1636 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1637 }
1638 return -2;
1639 }
1640 jbyte buffer[O_BUFLEN];
1641 while (length > 0) {
1642 int copy_len = MIN2(length, (jint)O_BUFLEN);
1643 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len);
1644 tty->write((char*) buffer, copy_len);
1645 length -= O_BUFLEN;
1646 offset += O_BUFLEN;
1647 }
1648 if (flush) {
1649 tty->flush();
1650 }
1651 return 0;
1652 C2V_END
1653
1654 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject))
1655 tty->flush();
1656 C2V_END
1657
1658 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position))
1659 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1660 ProfileData* profile_data = mdo->data_at(position);
1661 if (mdo->is_valid(profile_data)) {
1662 return profile_data->size_in_bytes();
1663 }
1664 DataLayout* data = mdo->extra_data_base();
1665 DataLayout* end = mdo->extra_data_limit();
1666 for (;; data = mdo->next_extra(data)) {
1667 assert(data < end, "moved past end of extra data");
1668 profile_data = data->data_in();
1669 if (mdo->dp_to_di(profile_data->dp()) == position) {
1670 return profile_data->size_in_bytes();
1671 }
1672 }
1673 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position));
1674 C2V_END
1675
1676 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass))
1677 #if INCLUDE_AOT
1678 Klass *k = (Klass*) (address) metaspace_klass;
1679 if (k->is_instance_klass()) {
1680 return InstanceKlass::cast(k)->get_stored_fingerprint();
1681 } else {
1682 return 0;
1683 }
1684 #else
1685 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
1686 #endif
1687 C2V_END
1688
1689 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type))
1690 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type));
1691 InstanceKlass* host = k->unsafe_anonymous_host();
1692 JVMCIKlassHandle handle(THREAD, host);
1693 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
1694 return JVMCIENV->get_jobject(result);
1695 C2V_END
1696
1697 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type))
1698 if (jvmci_type == NULL) {
1699 JVMCI_THROW_0(NullPointerException);
1700 }
1701
1702 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1703 if (klass == NULL) {
1704 JVMCI_THROW_0(NullPointerException);
1705 }
1706 if (!klass->is_instance_klass()) {
1707 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
1708 }
1709 InstanceKlass* iklass = InstanceKlass::cast(klass);
1710
1711 // Regular instance klass, fill in all local interfaces
1712 int size = iklass->local_interfaces()->length();
1713 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL);
1714 for (int index = 0; index < size; index++) {
1715 JVMCIKlassHandle klass(THREAD);
1716 Klass* k = iklass->local_interfaces()->at(index);
1717 klass = k;
1718 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
1719 JVMCIENV->put_object_at(interfaces, index, type);
1720 }
1721 return JVMCIENV->get_jobject(interfaces);
1722 C2V_END
1723
1724 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type))
1725 if (jvmci_type == NULL) {
1726 JVMCI_THROW_0(NullPointerException);
1727 }
1728
1729 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1730 oop mirror = klass->java_mirror();
1731 if (java_lang_Class::is_primitive(mirror) ||
1732 !java_lang_Class::as_Klass(mirror)->is_array_klass()) {
1733 return NULL;
1734 }
1735
1736 oop component_mirror = java_lang_Class::component_mirror(mirror);
1737 if (component_mirror == NULL) {
1738 return NULL;
1739 }
1740 Klass* component_klass = java_lang_Class::as_Klass(component_mirror);
1741 if (component_klass != NULL) {
1742 JVMCIKlassHandle klass_handle(THREAD);
1743 klass_handle = component_klass;
1744 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
1745 return JVMCIENV->get_jobject(result);
1746 }
1747 BasicType type = java_lang_Class::primitive_type(component_mirror);
1748 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type);
1749 return JVMCIENV->get_jobject(result);
1750 C2V_END
1751
1752 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type))
1753 if (jvmci_type == NULL) {
1754 JVMCI_THROW(NullPointerException);
1755 }
1756
1757 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1758 if (klass != NULL && klass->should_be_initialized()) {
1759 InstanceKlass* k = InstanceKlass::cast(klass);
1760 k->initialize(CHECK);
1761 }
1762 C2V_END
1763
1764 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle))
1765 if (bytecode_frame_handle == NULL) {
1766 JVMCI_THROW_0(NullPointerException);
1767 }
1768
1769 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle);
1770 JVMCIObject bytecode_frame = top_bytecode_frame;
1771 int size = 0;
1772 int callee_parameters = 0;
1773 int callee_locals = 0;
1774 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1775 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1776
1777 while (bytecode_frame.is_non_null()) {
1778 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame);
1779 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1780 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame));
1781 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1782
1783 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1784 temps + callee_parameters,
1785 extra_args,
1786 locks,
1787 callee_parameters,
1788 callee_locals,
1789 is_top_frame);
1790 size += frame_size;
1791
1792 callee_parameters = method->size_of_parameters();
1793 callee_locals = method->max_locals();
1794 extra_args = 0;
1795 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame);
1796 }
1797 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1798 C2V_END
1799
1800 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle))
1801 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK);
1802 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1803 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode");
1804 JavaValue result(T_VOID);
1805 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1806 } else {
1807 JVMCI_THROW_MSG(IllegalArgumentException,
1808 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()))
1809 }
1810 C2V_END
1811
1812 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object))
1813 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1814 return obj->identity_hash();
1815 C2V_END
1816
1817 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object))
1818 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1819 if (!java_lang_String::is_instance(str())) {
1820 return false;
1821 }
1822 int len;
1823 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_0);
1824 return (StringTable::lookup(name, len) != NULL);
1825 C2V_END
1826
1827
1828 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object))
1829 if (object == NULL) {
1830 JVMCI_THROW_0(NullPointerException);
1831 }
1832 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
1833 BasicType type = java_lang_boxing_object::basic_type(box());
1834 jvalue result;
1835 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) {
1836 return NULL;
1837 }
1838 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL);
1839 return JVMCIENV->get_jobject(boxResult);
1840 C2V_END
1841
1842 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object))
1843 if (object == NULL) {
1844 JVMCI_THROW_0(NullPointerException);
1845 }
1846 JVMCIObject box = JVMCIENV->wrap(object);
1847 BasicType type = JVMCIENV->get_box_type(box);
1848 if (type == T_ILLEGAL) {
1849 return NULL;
1850 }
1851 jvalue value = JVMCIENV->get_boxed_value(type, box);
1852 JavaValue box_result(T_OBJECT);
1853 JavaCallArguments jargs;
1854 Klass* box_klass = NULL;
1855 Symbol* box_signature = NULL;
1856 #define BOX_CASE(bt, v, argtype, name) \
1857 case bt: \
1858 jargs.push_##argtype(value.v); \
1859 box_klass = SystemDictionary::name##_klass(); \
1860 box_signature = vmSymbols::name##_valueOf_signature(); \
1861 break
1862
1863 switch (type) {
1864 BOX_CASE(T_BOOLEAN, z, int, Boolean);
1865 BOX_CASE(T_BYTE, b, int, Byte);
1866 BOX_CASE(T_CHAR, c, int, Character);
1867 BOX_CASE(T_SHORT, s, int, Short);
1868 BOX_CASE(T_INT, i, int, Integer);
1869 BOX_CASE(T_LONG, j, long, Long);
1870 BOX_CASE(T_FLOAT, f, float, Float);
1871 BOX_CASE(T_DOUBLE, d, double, Double);
1872 default:
1873 ShouldNotReachHere();
1874 }
1875 #undef BOX_CASE
1876
1877 JavaCalls::call_static(&box_result,
1878 box_klass,
1879 vmSymbols::valueOf_name(),
1880 box_signature, &jargs, CHECK_NULL);
1881 oop hotspot_box = (oop) box_result.get_jobject();
1882 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false);
1883 return JVMCIENV->get_jobject(result);
1884 C2V_END
1885
1886 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder))
1887 if (holder == NULL) {
1888 JVMCI_THROW_0(NullPointerException);
1889 }
1890 Klass* klass = JVMCIENV->asKlass(holder);
1891 if (!klass->is_instance_klass()) {
1892 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1893 return JVMCIENV->get_jobjectArray(methods);
1894 }
1895
1896 InstanceKlass* iklass = InstanceKlass::cast(klass);
1897 // Ensure class is linked
1898 iklass->link_class(CHECK_NULL);
1899
1900 GrowableArray<Method*> constructors_array;
1901 for (int i = 0; i < iklass->methods()->length(); i++) {
1902 Method* m = iklass->methods()->at(i);
1903 if (m->is_initializer() && !m->is_static()) {
1904 constructors_array.append(m);
1905 }
1906 }
1907 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL);
1908 for (int i = 0; i < constructors_array.length(); i++) {
1909 JVMCIObject method = JVMCIENV->get_jvmci_method(constructors_array.at(i), JVMCI_CHECK_NULL);
1910 JVMCIENV->put_object_at(methods, i, method);
1911 }
1912 return JVMCIENV->get_jobjectArray(methods);
1913 C2V_END
1914
1915 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder))
1916 if (holder == NULL) {
1917 JVMCI_THROW_0(NullPointerException);
1918 }
1919 Klass* klass = JVMCIENV->asKlass(holder);
1920 if (!klass->is_instance_klass()) {
1921 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1922 return JVMCIENV->get_jobjectArray(methods);
1923 }
1924
1925 InstanceKlass* iklass = InstanceKlass::cast(klass);
1926 // Ensure class is linked
1927 iklass->link_class(CHECK_NULL);
1928
1929 GrowableArray<Method*> methods_array;
1930 for (int i = 0; i < iklass->methods()->length(); i++) {
1931 Method* m = iklass->methods()->at(i);
1932 if (!m->is_initializer() && !m->is_overpass()) {
1933 methods_array.append(m);
1934 }
1935 }
1936 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL);
1937 for (int i = 0; i < methods_array.length(); i++) {
1938 JVMCIObject method = JVMCIENV->get_jvmci_method(methods_array.at(i), JVMCI_CHECK_NULL);
1939 JVMCIENV->put_object_at(methods, i, method);
1940 }
1941 return JVMCIENV->get_jobjectArray(methods);
1942 C2V_END
1943
1944 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile))
1945 if (object == NULL || field == NULL) {
1946 JVMCI_THROW_0(NullPointerException);
1947 }
1948 JVMCIObject field_object = JVMCIENV->wrap(field);
1949 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object);
1950 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object);
1951 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object));
1952 if (!holder->is_instance_klass()) {
1953 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name()));
1954 }
1955 InstanceKlass* ik = InstanceKlass::cast(holder);
1956 BasicType constant_type;
1957 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) {
1958 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL);
1959 } else {
1960 constant_type = T_OBJECT;
1961 }
1962 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object);
1963 fieldDescriptor fd;
1964 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) {
1965 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement));
1966 }
1967 JVMCIObject base = JVMCIENV->wrap(object);
1968 Handle obj;
1969 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) {
1970 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL);
1971 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) {
1972 Klass* klass = JVMCIENV->asKlass(base);
1973 obj = Handle(THREAD, klass->java_mirror());
1974 } else {
1975 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
1976 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base)));
1977 }
1978 jlong value = 0;
1979 JVMCIObject kind;
1980 switch (constant_type) {
1981 case T_OBJECT: {
1982 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement);
1983 JVMCIObject result = JVMCIENV->get_object_constant(object);
1984 if (result.is_null()) {
1985 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER());
1986 }
1987 return JVMCIENV->get_jobject(result);
1988 }
1989 case T_FLOAT: {
1990 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement);
1991 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL);
1992 return JVMCIENV->get_jobject(result);
1993 }
1994 case T_DOUBLE: {
1995 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement);
1996 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL);
1997 return JVMCIENV->get_jobject(result);
1998 }
1999 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break;
2000 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break;
2001 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break;
2002 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break;
2003 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break;
2004 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break;
2005 default:
2006 ShouldNotReachHere();
2007 }
2008 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL);
2009 return JVMCIENV->get_jobject(result);
2010 C2V_END
2011
2012 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object))
2013 if (object == NULL || holder == NULL) {
2014 JVMCI_THROW_0(NullPointerException);
2015 }
2016 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
2017 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2018 return obj->is_a(klass);
2019 C2V_END
2020
2021 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder))
2022 if (holder == NULL || otherHolder == NULL) {
2023 JVMCI_THROW_0(NullPointerException);
2024 }
2025 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2026 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder));
2027 return otherKlass->is_subtype_of(klass);
2028 C2V_END
2029
2030 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder))
2031 if (holder == NULL) {
2032 JVMCI_THROW_0(NullPointerException);
2033 }
2034 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder)));
2035 if (ik->class_loader_data()->is_builtin_class_loader_data()) {
2036 return true;
2037 }
2038 return false;
2039 C2V_END
2040
2041 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object))
2042 if (object == NULL) {
2043 JVMCI_THROW_0(NullPointerException);
2044 }
2045 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2046 if (java_lang_Class::is_instance(obj())) {
2047 if (java_lang_Class::is_primitive(obj())) {
2048 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj()));
2049 return JVMCIENV->get_jobject(type);
2050 }
2051 Klass* klass = java_lang_Class::as_Klass(obj());
2052 JVMCIKlassHandle klass_handle(THREAD);
2053 klass_handle = klass;
2054 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
2055 return JVMCIENV->get_jobject(type);
2056 }
2057 return NULL;
2058 C2V_END
2059
2060
2061 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object))
2062 if (object == NULL) {
2063 JVMCI_THROW_0(NullPointerException);
2064 }
2065 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2066 const char* str = java_lang_String::as_utf8_string(obj());
2067 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL);
2068 return JVMCIENV->get_jobject(result);
2069 C2V_END
2070
2071
2072 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle))
2073 if (x == NULL || y == NULL) {
2074 JVMCI_THROW_0(NullPointerException);
2075 }
2076 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle);
2077 C2V_END
2078
2079 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object))
2080 if (object == NULL) {
2081 JVMCI_THROW_0(NullPointerException);
2082 }
2083 JVMCIObject base_object = JVMCIENV->wrap(object);
2084 Handle mirror;
2085 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
2086 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror());
2087 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) {
2088 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL);
2089 } else {
2090 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2091 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
2092 }
2093 JVMCIObject result = JVMCIENV->get_object_constant(mirror());
2094 return JVMCIENV->get_jobject(result);
2095 C2V_END
2096
2097
2098 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x))
2099 if (x == NULL) {
2100 JVMCI_THROW_0(NullPointerException);
2101 }
2102 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2103 if (xobj->klass()->is_array_klass()) {
2104 return arrayOop(xobj())->length();
2105 }
2106 return -1;
2107 C2V_END
2108
2109
2110 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index))
2111 if (x == NULL) {
2112 JVMCI_THROW_0(NullPointerException);
2113 }
2114 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL);
2115 if (xobj->klass()->is_array_klass()) {
2116 arrayOop array = arrayOop(xobj());
2117 BasicType element_type = ArrayKlass::cast(array->klass())->element_type();
2118 if (index < 0 || index >= array->length()) {
2119 return NULL;
2120 }
2121 JVMCIObject result;
2122
2123 if (element_type == T_OBJECT) {
2124 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index));
2125 if (result.is_null()) {
2126 result = JVMCIENV->get_JavaConstant_NULL_POINTER();
2127 }
2128 } else {
2129 jvalue value;
2130 switch (element_type) {
2131 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break;
2132 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break;
2133 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break;
2134 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break;
2135 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break;
2136 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break;
2137 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break;
2138 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break;
2139 default: ShouldNotReachHere();
2140 }
2141 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL);
2142 }
2143 assert(!result.is_null(), "must have a value");
2144 return JVMCIENV->get_jobject(result);
2145 }
2146 return NULL;;
2147 C2V_END
2148
2149
2150 C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind))
2151 if (kind == NULL) {
2152 JVMCI_THROW_0(NullPointerException);
2153 }
2154 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2155 return arrayOopDesc::header_size(type) * HeapWordSize;
2156 C2V_END
2157
2158 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind))
2159 if (kind == NULL) {
2160 JVMCI_THROW_0(NullPointerException);
2161 }
2162 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2163 return type2aelembytes(type);
2164 C2V_END
2165
2166 C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement))
2167 if (x == NULL) {
2168 JVMCI_THROW_0(NullPointerException);
2169 }
2170 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2171 return xobj->byte_field(displacement);
2172 }
2173
2174 C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement))
2175 if (x == NULL) {
2176 JVMCI_THROW_0(NullPointerException);
2177 }
2178 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2179 return xobj->short_field(displacement);
2180 }
2181
2182 C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement))
2183 if (x == NULL) {
2184 JVMCI_THROW_0(NullPointerException);
2185 }
2186 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2187 return xobj->int_field(displacement);
2188 }
2189
2190 C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement))
2191 if (x == NULL) {
2192 JVMCI_THROW_0(NullPointerException);
2193 }
2194 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2195 return xobj->long_field(displacement);
2196 }
2197
2198 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement))
2199 if (x == NULL) {
2200 JVMCI_THROW_0(NullPointerException);
2201 }
2202 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2203 oop res = xobj->obj_field(displacement);
2204 JVMCIObject result = JVMCIENV->get_object_constant(res);
2205 return JVMCIENV->get_jobject(result);
2206 }
2207
2208 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h))
2209 jobject handle = (jobject)(address)h;
2210 if (handle != NULL) {
2211 JVMCI::destroy_global(handle);
2212 }
2213 }
2214
2215 static void requireJVMCINativeLibrary(JVMCI_TRAPS) {
2216 if (!UseJVMCINativeLibrary) {
2217 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)");
2218 }
2219 }
2220
2221 static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) {
2222 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2223 if (javaVM == NULL) {
2224 JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller));
2225 }
2226 return javaVM;
2227 }
2228
2229 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror))
2230 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2231 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL);
2232 void* shared_library = JVMCIEnv::get_shared_library_handle();
2233 if (shared_library == NULL) {
2234 // Ensure the JVMCI shared library runtime is initialized.
2235 JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__);
2236 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2237 HandleMark hm;
2238 JVMCIRuntime* runtime = JVMCI::compiler_runtime();
2239 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv);
2240 if (peerEnv->has_pending_exception()) {
2241 peerEnv->describe_pending_exception(true);
2242 }
2243 shared_library = JVMCIEnv::get_shared_library_handle();
2244 if (shared_library == NULL) {
2245 JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime");
2246 }
2247 }
2248
2249 if (mirror == NULL) {
2250 JVMCI_THROW_0(NullPointerException);
2251 }
2252 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
2253 if (klass == NULL || !klass->is_instance_klass()) {
2254 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type");
2255 }
2256
2257 InstanceKlass* iklass = InstanceKlass::cast(klass);
2258 for (int i = 0; i < iklass->methods()->length(); i++) {
2259 Method* method = iklass->methods()->at(i);
2260 if (method->is_native()) {
2261
2262 // Compute argument size
2263 int args_size = 1 // JNIEnv
2264 + (method->is_static() ? 1 : 0) // class for static methods
2265 + method->size_of_parameters(); // actual parameters
2266
2267 // 1) Try JNI short style
2268 stringStream st;
2269 char* pure_name = NativeLookup::pure_jni_name(method);
2270 os::print_jni_name_prefix_on(&st, args_size);
2271 st.print_raw(pure_name);
2272 os::print_jni_name_suffix_on(&st, args_size);
2273 char* jni_name = st.as_string();
2274
2275 address entry = (address) os::dll_lookup(shared_library, jni_name);
2276 if (entry == NULL) {
2277 // 2) Try JNI long style
2278 st.reset();
2279 char* long_name = NativeLookup::long_jni_name(method);
2280 os::print_jni_name_prefix_on(&st, args_size);
2281 st.print_raw(pure_name);
2282 st.print_raw(long_name);
2283 os::print_jni_name_suffix_on(&st, args_size);
2284 char* jni_long_name = st.as_string();
2285 entry = (address) os::dll_lookup(shared_library, jni_long_name);
2286 if (entry == NULL) {
2287 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]",
2288 method->name_and_sig_as_C_string(),
2289 jni_name, jni_long_name, JVMCIEnv::get_shared_library_path()));
2290 }
2291 }
2292
2293 if (method->has_native_function() && entry != method->native_function()) {
2294 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]",
2295 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry)));
2296 }
2297 method->set_native_function(entry, Method::native_bind_event_is_interesting);
2298 if (PrintJNIResolving) {
2299 tty->print_cr("[Dynamic-linking native method %s.%s ... JNI]",
2300 method->method_holder()->external_name(),
2301 method->name()->as_C_string());
2302 }
2303 }
2304 }
2305
2306 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2307 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL);
2308 JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM);
2309 JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0);
2310 JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1);
2311 JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2);
2312 return (jlongArray) JVMCIENV->get_jobject(result);
2313 }
2314
2315 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm))
2316 if (base_thread == NULL) {
2317 // Called from unattached JVMCI shared library thread
2318 return false;
2319 }
2320 JVMCITraceMark jtm("isCurrentThreadAttached");
2321 assert(base_thread->is_Java_thread(), "just checking");
2322 JavaThread* thread = (JavaThread*) base_thread;
2323 if (thread->jni_environment() == env) {
2324 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject))
2325 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2326 JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0);
2327 JNIEnv* peerEnv;
2328 return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK;
2329 }
2330 return true;
2331 C2V_END
2332
2333 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon))
2334 if (base_thread == NULL) {
2335 // Called from unattached JVMCI shared library thread
2336 extern struct JavaVM_ main_vm;
2337 JNIEnv* hotspotEnv;
2338 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) :
2339 main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
2340 if (res != JNI_OK) {
2341 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false);
2342 }
2343 return true;
2344 }
2345 JVMCITraceMark jtm("attachCurrentThread");
2346 assert(base_thread->is_Java_thread(), "just checking");\
2347 JavaThread* thread = (JavaThread*) base_thread;
2348 if (thread->jni_environment() == env) {
2349 // Called from HotSpot
2350 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean))
2351 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2352 JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0);
2353 JavaVMAttachArgs attach_args;
2354 attach_args.version = JNI_VERSION_1_2;
2355 attach_args.name = thread->name();
2356 attach_args.group = NULL;
2357 JNIEnv* peerEnv;
2358 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) {
2359 return false;
2360 }
2361 jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) :
2362 javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args);
2363 if (res == JNI_OK) {
2364 guarantee(peerEnv != NULL, "must be");
2365 return true;
2366 }
2367 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name));
2368 }
2369 // Called from JVMCI shared library
2370 return false;
2371 C2V_END
2372
2373 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm))
2374 if (base_thread == NULL) {
2375 // Called from unattached JVMCI shared library thread
2376 JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread"));
2377 }
2378 JVMCITraceMark jtm("detachCurrentThread");
2379 assert(base_thread->is_Java_thread(), "just checking");\
2380 JavaThread* thread = (JavaThread*) base_thread;
2381 if (thread->jni_environment() == env) {
2382 // Called from HotSpot
2383 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject))
2384 requireJVMCINativeLibrary(JVMCI_CHECK);
2385 requireInHotSpot("detachCurrentThread", JVMCI_CHECK);
2386 JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK);
2387 JNIEnv* peerEnv;
2388 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) {
2389 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name()));
2390 }
2391 jint res = javaVM->DetachCurrentThread();
2392 if (res != JNI_OK) {
2393 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name()));
2394 }
2395 } else {
2396 // Called from attached JVMCI shared library thread
2397 extern struct JavaVM_ main_vm;
2398 jint res = main_vm.DetachCurrentThread();
2399 if (res != JNI_OK) {
2400 JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread"));
2401 }
2402 }
2403 C2V_END
2404
2405 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle))
2406 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2407 if (obj_handle == NULL) {
2408 return 0L;
2409 }
2410 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__);
2411 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2412 JVMCIEnv* thisEnv = JVMCIENV;
2413
2414 JVMCIObject obj = thisEnv->wrap(obj_handle);
2415 JVMCIObject result;
2416 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) {
2417 Method* method = thisEnv->asMethod(obj);
2418 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0);
2419 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) {
2420 Klass* klass = thisEnv->asKlass(obj);
2421 JVMCIKlassHandle klass_handle(THREAD);
2422 klass_handle = klass;
2423 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0);
2424 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) {
2425 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0);
2426 result = peerEnv->get_jvmci_primitive_type(type);
2427 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) ||
2428 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) {
2429 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0);
2430 result = peerEnv->get_object_constant(constant());
2431 } else if (thisEnv->isa_HotSpotNmethod(obj)) {
2432 nmethod* nm = thisEnv->asNmethod(obj);
2433 if (nm != NULL) {
2434 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2435 if (data != NULL) {
2436 if (peerEnv->is_hotspot()) {
2437 // Only the mirror in the HotSpot heap is accessible
2438 // through JVMCINMethodData
2439 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true);
2440 if (nmethod_mirror != NULL) {
2441 result = HotSpotJVMCI::wrap(nmethod_mirror);
2442 }
2443 }
2444 }
2445 }
2446 if (result.is_null()) {
2447 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj);
2448 methodHandle mh = thisEnv->asMethod(methodObject);
2449 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj);
2450 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj);
2451 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj);
2452 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string);
2453 // Create a new HotSpotNmethod instance in the peer runtime
2454 result = peerEnv->new_HotSpotNmethod(mh(), cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0);
2455 if (nm == NULL) {
2456 // nmethod must have been unloaded
2457 } else {
2458 // Link the new HotSpotNmethod to the nmethod
2459 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0);
2460 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime.
2461 if (peerEnv->is_hotspot()) {
2462 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2463 if (data == NULL) {
2464 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod");
2465 }
2466 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) {
2467 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod");
2468 }
2469 oop nmethod_mirror = HotSpotJVMCI::resolve(result);
2470 data->set_nmethod_mirror(nm, nmethod_mirror);
2471 }
2472 }
2473 }
2474 } else {
2475 JVMCI_THROW_MSG_0(IllegalArgumentException,
2476 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj)));
2477 }
2478 return (jlong) peerEnv->make_global(result).as_jobject();
2479 }
2480
2481 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle))
2482 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2483 if (obj_handle == 0L) {
2484 return NULL;
2485 }
2486 jobject global_handle = (jobject) obj_handle;
2487 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle);
2488 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject();
2489
2490 JVMCIENV->destroy_global(global_handle_obj);
2491 return result;
2492 }
2493
2494 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle))
2495 JVMCIObject code = JVMCIENV->wrap(code_handle);
2496 // Execute this operation for the side effect of updating the InstalledCode state
2497 JVMCIENV->asNmethod(code);
2498 }
2499
2500 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle))
2501 JVMCIObject code = JVMCIENV->wrap(code_handle);
2502 CodeBlob* cb = JVMCIENV->asCodeBlob(code);
2503 if (cb == NULL) {
2504 return NULL;
2505 }
2506 int code_size = cb->code_size();
2507 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
2508 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size);
2509 return JVMCIENV->get_jbyteArray(result);
2510 }
2511
2512 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
2513 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL);
2514 methodHandle m = JVMCIENV->asMethod(jvmci_method);
2515 oop executable;
2516 if (m->is_initializer()) {
2517 if (m->is_static_initializer()) {
2518 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2519 "Cannot create java.lang.reflect.Method for class initializer");
2520 }
2521 executable = Reflection::new_constructor(m, CHECK_NULL);
2522 } else {
2523 executable = Reflection::new_method(m, false, CHECK_NULL);
2524 }
2525 return JNIHandles::make_local(THREAD, executable);
2526 }
2527
2528 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
2529 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL);
2530 Klass* klass = JVMCIENV->asKlass(jvmci_type);
2531 if (!klass->is_instance_klass()) {
2532 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2533 err_msg("Expected non-primitive type, got %s", klass->external_name()));
2534 }
2535 InstanceKlass* iklass = InstanceKlass::cast(klass);
2536 Array<u2>* fields = iklass->fields();
2537 if (index < 0 ||index > fields->length()) {
2538 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2539 err_msg("Field index %d out of bounds for %s", index, klass->external_name()));
2540 }
2541 fieldDescriptor fd(iklass, index);
2542 oop reflected = Reflection::new_field(&fd, CHECK_NULL);
2543 return JNIHandles::make_local(env, reflected);
2544 }
2545
2546 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current))
2547 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address);
2548 int result_length = 0;
2549 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) {
2550 result_length++;
2551 }
2552 int current_length = 0;
2553 JVMCIObjectArray current_array = NULL;
2554 if (current != NULL) {
2555 current_array = JVMCIENV->wrap(current);
2556 current_length = JVMCIENV->get_length(current_array);
2557 if (current_length == result_length) {
2558 // No new failures
2559 return current;
2560 }
2561 }
2562 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL);
2563 int result_index = 0;
2564 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) {
2565 assert(fs != NULL, "npe");
2566 JVMCIPrimitiveArray entry;
2567 if (result_index < current_length) {
2568 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index);
2569 } else {
2570 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL);
2571 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len());
2572 }
2573 JVMCIENV->put_object_at(result, result_index++, entry);
2574 }
2575 return JVMCIENV->get_jobjectArray(result);
2576 }
2577
2578 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method))
2579 methodHandle method = JVMCIENV->asMethod(jvmci_method);
2580 MethodData* method_data = method->method_data();
2581 if (method_data == NULL) {
2582 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
2583 method_data = MethodData::allocate(loader_data, method, CHECK_0);
2584 method->set_method_data(method_data);
2585 }
2586 return (jlong) method_data->get_failed_speculations_address();
2587 }
2588
2589 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address))
2590 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address);
2591 }
2592
2593 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj))
2594 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj);
2595 int speculation_len = JVMCIENV->get_length(speculation_handle);
2596 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len);
2597 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len);
2598 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len);
2599 }
2600
2601 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status))
2602 JavaValue result(T_VOID);
2603 JavaCallArguments jargs(1);
2604 jargs.push_int(status);
2605 JavaCalls::call_static(&result,
2606 SystemDictionary::System_klass(),
2607 vmSymbols::exit_method_name(),
2608 vmSymbols::int_void_signature(),
2609 &jargs,
2610 CHECK);
2611 }
2612
2613 #define CC (char*) /*cast a literal from (const char*)*/
2614 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
2615
2616 #define STRING "Ljava/lang/String;"
2617 #define OBJECT "Ljava/lang/Object;"
2618 #define CLASS "Ljava/lang/Class;"
2619 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;"
2620 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;"
2621 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
2622 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
2623 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
2624 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
2625 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
2626 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;"
2627 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
2628 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
2629 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
2630 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
2631 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;"
2632 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;"
2633 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;"
2634 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;"
2635 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
2636 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
2637 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
2638 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
2639 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
2640 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
2641 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;"
2642 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;"
2643 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;"
2644 #define METASPACE_METHOD_DATA "J"
2645
2646 JNINativeMethod CompilerToVM::methods[] = {
2647 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
2648 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
2649 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
2650 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
2651 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
2652 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
2653 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
2654 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
2655 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
2656 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
2657 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
2658 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)},
2659 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)},
2660 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)},
2661 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
2662 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
2663 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
2664 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
2665 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
2666 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)},
2667 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
2668 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
2669 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)},
2670 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
2671 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
2672 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
2673 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
2674 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
2675 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
2676 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
2677 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
2678 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
2679 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
2680 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
2681 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
2682 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
2683 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
2684 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)},
2685 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
2686 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)},
2687 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
2688 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
2689 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
2690 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)},
2691 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
2692 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
2693 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
2694 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
2695 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)},
2696 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)},
2697 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
2698 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)},
2699 {CC "setCountersSize", CC "(I)Z", FN_PTR(setCountersSize)},
2700 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
2701 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
2702 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
2703 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
2704 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
2705 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
2706 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
2707 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)},
2708 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
2709 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
2710 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
2711 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
2712 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
2713 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)},
2714 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
2715 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)},
2716 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)},
2717 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)},
2718 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)},
2719 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)},
2720 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)},
2721 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)},
2722 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)},
2723 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)},
2724 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)},
2725 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2726 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2727 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)},
2728 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)},
2729 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)},
2730 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)},
2731 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)},
2732 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)},
2733 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)},
2734 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)},
2735 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)},
2736 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)},
2737 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)},
2738 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)},
2739 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)},
2740 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)},
2741 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)},
2742 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)},
2743 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)},
2744 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)},
2745 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)},
2746 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)},
2747 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)},
2748 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)},
2749 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)},
2750 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)},
2751 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)},
2752 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)},
2753 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)},
2754 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)},
2755 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)},
2756 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)},
2757 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)},
2758 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)},
2759 };
2760
2761 int CompilerToVM::methods_count() {
2762 return sizeof(methods) / sizeof(JNINativeMethod);
2763 }