1 /*
2 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include "precompiled.hpp"
25 #include "classfile/classLoaderData.inline.hpp"
26 #include "classfile/javaClasses.inline.hpp"
27 #include "classfile/stringTable.hpp"
28 #include "classfile/symbolTable.hpp"
29 #include "code/scopeDesc.hpp"
30 #include "compiler/compileBroker.hpp"
31 #include "compiler/disassembler.hpp"
32 #include "interpreter/linkResolver.hpp"
33 #include "interpreter/bytecodeStream.hpp"
34 #include "jvmci/jvmciCompilerToVM.hpp"
35 #include "jvmci/jvmciCodeInstaller.hpp"
36 #include "jvmci/jvmciRuntime.hpp"
37 #include "memory/oopFactory.hpp"
38 #include "memory/universe.hpp"
39 #include "oops/constantPool.inline.hpp"
40 #include "oops/method.inline.hpp"
41 #include "oops/typeArrayOop.inline.hpp"
42 #include "prims/nativeLookup.hpp"
43 #include "runtime/deoptimization.hpp"
44 #include "runtime/fieldDescriptor.inline.hpp"
45 #include "runtime/frame.inline.hpp"
46 #include "runtime/interfaceSupport.inline.hpp"
47 #include "runtime/jniHandles.inline.hpp"
48 #include "runtime/timerTrace.hpp"
49 #include "runtime/vframe_hp.hpp"
50
51 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
52 _thread = thread;
53 _klass = klass;
54 if (klass != NULL) {
55 _holder = Handle(_thread, klass->klass_holder());
56 }
57 }
58
59 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
60 _klass = klass;
61 if (klass != NULL) {
62 _holder = Handle(_thread, klass->klass_holder());
63 }
64 return *this;
65 }
66
67 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) {
68 if (!JVMCIENV->is_hotspot()) {
69 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller));
70 }
71 }
72
73 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) {
74 if (thread != NULL) {
75 // Allocate a new block for JNI handles.
76 // Inlined code from jni_PushLocalFrame()
77 JNIHandleBlock* java_handles = thread->active_handles();
78 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
79 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
80 compile_handles->set_pop_frame_link(java_handles);
81 thread->set_active_handles(compile_handles);
82 }
83 }
84
85 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) {
86 if (thread != NULL) {
87 // Release our JNI handle block
88 JNIHandleBlock* compile_handles = thread->active_handles();
89 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
90 thread->set_active_handles(java_handles);
91 compile_handles->set_pop_frame_link(NULL);
92 JNIHandleBlock::release_block(compile_handles, thread); // may block
93 }
94 }
95
96 class JVMCITraceMark : public StackObj {
97 const char* _msg;
98 public:
99 JVMCITraceMark(const char* msg) {
100 _msg = msg;
101 if (JVMCITraceLevel >= 1) {
102 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg);
103 }
104 }
105 ~JVMCITraceMark() {
106 if (JVMCITraceLevel >= 1) {
107 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg);
108 }
109 }
110 };
111
112
113 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
114 assert(_index < _args->length(), "out of bounds");
115 oop arg=((objArrayOop) (_args))->obj_at(_index++);
116 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
117 return Handle(Thread::current(), arg);
118 }
119
120 // Bring the JVMCI compiler thread into the VM state.
121 #define JVMCI_VM_ENTRY_MARK \
122 ThreadInVMfromNative __tiv(thread); \
123 ResetNoHandleMark rnhm; \
124 HandleMarkCleaner __hm(thread); \
125 Thread* THREAD = thread; \
126 debug_only(VMNativeEntryWrapper __vew;)
127
128 // Native method block that transitions current thread to '_thread_in_vm'.
129 #define C2V_BLOCK(result_type, name, signature) \
130 TRACE_CALL(result_type, jvmci_ ## name signature) \
131 JVMCI_VM_ENTRY_MARK; \
132 ResourceMark rm; \
133 JNI_JVMCIENV(thread, env);
134
135 static Thread* get_current_thread() {
136 return Thread::current_or_null_safe();
137 }
138
139 // Entry to native method implementation that transitions
140 // current thread to '_thread_in_vm'.
141 #define C2V_VMENTRY(result_type, name, signature) \
142 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
143 Thread* base_thread = get_current_thread(); \
144 if (base_thread == NULL) { \
145 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
146 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
147 return; \
148 } \
149 assert(base_thread->is_Java_thread(), "just checking");\
150 JavaThread* thread = (JavaThread*) base_thread; \
151 JVMCITraceMark jtm("CompilerToVM::" #name); \
152 C2V_BLOCK(result_type, name, signature)
153
154 #define C2V_VMENTRY_(result_type, name, signature, result) \
155 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
156 Thread* base_thread = get_current_thread(); \
157 if (base_thread == NULL) { \
158 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
159 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
160 return result; \
161 } \
162 assert(base_thread->is_Java_thread(), "just checking");\
163 JavaThread* thread = (JavaThread*) base_thread; \
164 JVMCITraceMark jtm("CompilerToVM::" #name); \
165 C2V_BLOCK(result_type, name, signature)
166
167 #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL)
168 #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0)
169
170 // Entry to native method implementation that does not transition
171 // current thread to '_thread_in_vm'.
172 #define C2V_VMENTRY_PREFIX(result_type, name, signature) \
173 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
174 Thread* base_thread = get_current_thread();
175
176 #define C2V_END }
177
178 #define JNI_THROW(caller, name, msg) do { \
179 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
180 if (__throw_res != JNI_OK) { \
181 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
182 } \
183 return; \
184 } while (0);
185
186 #define JNI_THROW_(caller, name, msg, result) do { \
187 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
188 if (__throw_res != JNI_OK) { \
189 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
190 } \
191 return result; \
192 } while (0)
193
194 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS);
195
196 C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env))
197 jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL);
198 return config;
199 }
200
201 C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle))
202 #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();
203 #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();
204 JVMCIObject name = JVMCIENV->wrap(name_handle);
205 if (name.is_null()) {
206 JVMCI_THROW_NULL(NullPointerException);
207 }
208 const char* cstring = JVMCIENV->as_utf8_string(name);
209 const JVMFlag* flag = JVMFlag::find_declared_flag(cstring);
210 if (flag == NULL) {
211 return c2vm;
212 }
213 if (flag->is_bool()) {
214 jvalue prim;
215 prim.z = flag->get_bool();
216 JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
217 return JVMCIENV->get_jobject(box);
218 } else if (flag->is_ccstr()) {
219 JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL);
220 return JVMCIENV->get_jobject(value);
221 } else if (flag->is_intx()) {
222 RETURN_BOXED_LONG(flag->get_intx());
223 } else if (flag->is_int()) {
224 RETURN_BOXED_LONG(flag->get_int());
225 } else if (flag->is_uint()) {
226 RETURN_BOXED_LONG(flag->get_uint());
227 } else if (flag->is_uint64_t()) {
228 RETURN_BOXED_LONG(flag->get_uint64_t());
229 } else if (flag->is_size_t()) {
230 RETURN_BOXED_LONG(flag->get_size_t());
231 } else if (flag->is_uintx()) {
232 RETURN_BOXED_LONG(flag->get_uintx());
233 } else if (flag->is_double()) {
234 RETURN_BOXED_DOUBLE(flag->get_double());
235 } else {
236 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
237 }
238 #undef RETURN_BOXED_LONG
239 #undef RETURN_BOXED_DOUBLE
240 C2V_END
241
242 C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address))
243 requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL);
244 if (oop_address == 0) {
245 JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero");
246 }
247 oop obj = *((oopDesc**) oop_address);
248 if (obj != NULL) {
249 oopDesc::verify(obj);
250 }
251 return JNIHandles::make_local(obj);
252 C2V_END
253
254 C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method))
255 methodHandle method = JVMCIENV->asMethod(jvmci_method);
256
257 int code_size = method->code_size();
258 jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size);
259
260 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
261 // iterate over all bytecodes and replace non-Java bytecodes
262
263 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
264 Bytecodes::Code code = s.code();
265 Bytecodes::Code raw_code = s.raw_code();
266 int bci = s.bci();
267 int len = s.instruction_size();
268
269 // Restore original byte code.
270 reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code);
271 if (len > 1) {
272 memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1);
273 }
274
275 if (len > 1) {
276 // Restore the big-endian constant pool indexes.
277 // Cf. Rewriter::scan_method
278 switch (code) {
279 case Bytecodes::_getstatic:
280 case Bytecodes::_putstatic:
281 case Bytecodes::_getfield:
282 case Bytecodes::_putfield:
283 case Bytecodes::_invokevirtual:
284 case Bytecodes::_invokespecial:
285 case Bytecodes::_invokestatic:
286 case Bytecodes::_invokeinterface:
287 case Bytecodes::_invokehandle: {
288 int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
289 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
290 break;
291 }
292
293 case Bytecodes::_invokedynamic: {
294 int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1));
295 Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index);
296 break;
297 }
298
299 default:
300 break;
301 }
302
303 // Not all ldc byte code are rewritten.
304 switch (raw_code) {
305 case Bytecodes::_fast_aldc: {
306 int cpc_index = reconstituted_code[bci + 1] & 0xff;
307 int cp_index = method->constants()->object_to_cp_index(cpc_index);
308 assert(cp_index < method->constants()->length(), "sanity check");
309 reconstituted_code[bci + 1] = (jbyte) cp_index;
310 break;
311 }
312
313 case Bytecodes::_fast_aldc_w: {
314 int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
315 int cp_index = method->constants()->object_to_cp_index(cpc_index);
316 assert(cp_index < method->constants()->length(), "sanity check");
317 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
318 break;
319 }
320
321 default:
322 break;
323 }
324 }
325 }
326
327 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
328 JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size);
329 return JVMCIENV->get_jbyteArray(result);
330 C2V_END
331
332 C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
333 methodHandle method = JVMCIENV->asMethod(jvmci_method);
334 return method->exception_table_length();
335 C2V_END
336
337 C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
338 methodHandle method = JVMCIENV->asMethod(jvmci_method);
339 if (method->exception_table_length() == 0) {
340 return 0L;
341 }
342 return (jlong) (address) method->exception_table_start();
343 C2V_END
344
345 C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle))
346 requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL);
347 oop executable = JNIHandles::resolve(executable_handle);
348 oop mirror = NULL;
349 int slot = 0;
350
351 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
352 mirror = java_lang_reflect_Constructor::clazz(executable);
353 slot = java_lang_reflect_Constructor::slot(executable);
354 } else {
355 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
356 mirror = java_lang_reflect_Method::clazz(executable);
357 slot = java_lang_reflect_Method::slot(executable);
358 }
359 Klass* holder = java_lang_Class::as_Klass(mirror);
360 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
361 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
362 return JVMCIENV->get_jobject(result);
363 }
364
365 C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset))
366 methodHandle method;
367 JVMCIObject base_object = JVMCIENV->wrap(base);
368 if (base_object.is_null()) {
369 method = *((Method**)(offset));
370 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
371 Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
372 if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) {
373 method = (Method*) (intptr_t) obj->long_field(offset);
374 } else {
375 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name()));
376 }
377 } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
378 method = JVMCIENV->asMethod(base_object);
379 }
380 if (method.is_null()) {
381 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
382 }
383 assert (method.is_null() || method->is_method(), "invalid read");
384 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
385 return JVMCIENV->get_jobject(result);
386 }
387
388 C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle))
389 constantPoolHandle cp;
390 JVMCIObject object = JVMCIENV->wrap(object_handle);
391 if (object.is_null()) {
392 JVMCI_THROW_NULL(NullPointerException);
393 }
394 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) {
395 cp = JVMCIENV->asMethod(object)->constMethod()->constants();
396 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) {
397 cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants();
398 } else {
399 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
400 err_msg("Unexpected type: %s", JVMCIENV->klass_name(object)));
401 }
402 assert(!cp.is_null(), "npe");
403
404 JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(cp, JVMCI_CHECK_NULL);
405 return JVMCIENV->get_jobject(result);
406 }
407
408 C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed))
409 JVMCIKlassHandle klass(THREAD);
410 JVMCIObject base_object = JVMCIENV->wrap(base);
411 jlong base_address = 0;
412 if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) {
413 // klass = JVMCIENV->unhandle(base_object)->klass();
414 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
415 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
416 klass = base_oop->klass();
417 } else {
418 assert(false, "What types are we actually expecting here?");
419 }
420 } else if (!compressed) {
421 if (base_object.is_non_null()) {
422 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
423 base_address = (intptr_t) JVMCIENV->asMethod(base_object);
424 } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) {
425 base_address = (intptr_t) JVMCIENV->asConstantPool(base_object);
426 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
427 base_address = (intptr_t) JVMCIENV->asKlass(base_object);
428 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
429 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
430 if (base_oop->is_a(SystemDictionary::Class_klass())) {
431 base_address = (jlong) (address) base_oop();
432 }
433 }
434 if (base_address == 0) {
435 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
436 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false"));
437 }
438 }
439 klass = *((Klass**) (intptr_t) (base_address + offset));
440 } else {
441 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
442 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
443 base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null",
444 offset, compressed ? "true" : "false"));
445 }
446 assert (klass == NULL || klass->is_klass(), "invalid read");
447 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
448 return JVMCIENV->get_jobject(result);
449 }
450
451 C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
452 methodHandle method = JVMCIENV->asMethod(jvmci_method);
453 Klass* holder = JVMCIENV->asKlass(jvmci_type);
454 if (holder->is_interface()) {
455 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name()));
456 }
457 if (method->can_be_statically_bound()) {
458 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()));
459 }
460
461 methodHandle ucm;
462 {
463 MutexLocker locker(Compile_lock);
464 ucm = Dependencies::find_unique_concrete_method(holder, method());
465 }
466 JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL);
467 return JVMCIENV->get_jobject(result);
468 C2V_END
469
470 C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type))
471 Klass* klass = JVMCIENV->asKlass(jvmci_type);
472 if (!klass->is_interface()) {
473 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
474 err_msg("Expected interface type, got %s", klass->external_name()));
475 }
476 InstanceKlass* iklass = InstanceKlass::cast(klass);
477 JVMCIKlassHandle handle(THREAD);
478 {
479 // Need Compile_lock around implementor()
480 MutexLocker locker(Compile_lock);
481 handle = iklass->implementor();
482 }
483 JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
484 return JVMCIENV->get_jobject(implementor);
485 C2V_END
486
487 C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method))
488 methodHandle method = JVMCIENV->asMethod(jvmci_method);
489 return method->is_ignored_by_security_stack_walk();
490 C2V_END
491
492 C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
493 methodHandle method = JVMCIENV->asMethod(jvmci_method);
494 constantPoolHandle cp = method->constMethod()->constants();
495 assert(!cp.is_null(), "npe");
496 // don't inline method when constant pool contains a CONSTANT_Dynamic
497 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
498 C2V_END
499
500 C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method))
501 methodHandle method = JVMCIENV->asMethod(jvmci_method);
502 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
503 C2V_END
504
505 C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method))
506 methodHandle method = JVMCIENV->asMethod(jvmci_method);
507 return CompilerOracle::should_inline(method) || method->force_inline();
508 C2V_END
509
510 C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve))
511 JVMCIObject name = JVMCIENV->wrap(jname);
512 const char* str = JVMCIENV->as_utf8_string(name);
513 TempNewSymbol class_name = SymbolTable::new_symbol(str);
514
515 if (class_name->utf8_length() <= 1) {
516 JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
517 }
518
519 JVMCIKlassHandle resolved_klass(THREAD);
520 Klass* accessing_klass = NULL;
521 Handle class_loader;
522 Handle protection_domain;
523 if (accessing_class != NULL) {
524 accessing_klass = JVMCIENV->asKlass(accessing_class);
525 class_loader = Handle(THREAD, accessing_klass->class_loader());
526 protection_domain = Handle(THREAD, accessing_klass->protection_domain());
527 } else {
528 // Use the System class loader
529 class_loader = Handle(THREAD, SystemDictionary::java_system_loader());
530 JVMCIENV->runtime()->initialize(JVMCIENV);
531 }
532
533 if (resolve) {
534 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
535 if (resolved_klass == NULL) {
536 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str);
537 }
538 } else {
539 if (class_name->char_at(0) == JVM_SIGNATURE_CLASS &&
540 class_name->char_at(class_name->utf8_length()-1) == JVM_SIGNATURE_ENDCLASS) {
541 // This is a name from a signature. Strip off the trimmings.
542 // Call recursive to keep scope of strippedsym.
543 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
544 class_name->utf8_length()-2);
545 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
546 } else if (FieldType::is_array(class_name)) {
547 FieldArrayInfo fd;
548 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
549 // of this call
550 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
551 if (t == T_OBJECT) {
552 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
553 class_name->utf8_length()-2-fd.dimension());
554 resolved_klass = SystemDictionary::find(strippedsym,
555 class_loader,
556 protection_domain,
557 CHECK_0);
558 if (!resolved_klass.is_null()) {
559 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
560 }
561 } else {
562 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0);
563 }
564 } else {
565 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_0);
566 }
567 }
568 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
569 return JVMCIENV->get_jobject(result);
570 C2V_END
571
572 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type))
573 if (jvmci_type == NULL) {
574 JVMCI_THROW_0(NullPointerException);
575 }
576
577 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type);
578 JVMCIKlassHandle array_klass(THREAD);
579 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) {
580 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0);
581 if (type == T_VOID) {
582 return NULL;
583 }
584 array_klass = Universe::typeArrayKlassObj(type);
585 if (array_klass == NULL) {
586 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type)));
587 }
588 } else {
589 Klass* klass = JVMCIENV->asKlass(jvmci_type);
590 if (klass == NULL) {
591 JVMCI_THROW_0(NullPointerException);
592 }
593 array_klass = klass->array_klass(CHECK_NULL);
594 }
595 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL);
596 return JVMCIENV->get_jobject(result);
597 C2V_END
598
599 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror))
600 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL);
601 if (mirror == NULL) {
602 return NULL;
603 }
604 JVMCIKlassHandle klass(THREAD);
605 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
606 if (klass == NULL) {
607 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported");
608 }
609 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
610 return JVMCIENV->get_jobject(result);
611 }
612
613 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
614 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
615 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
616 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result));
617 C2V_END
618
619 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
620 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
621 return cp->name_and_type_ref_index_at(index);
622 C2V_END
623
624 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
625 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
626 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL);
627 return JVMCIENV->get_jobject(sym);
628 C2V_END
629
630 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
631 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
632 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL);
633 return JVMCIENV->get_jobject(sym);
634 C2V_END
635
636 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
637 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
638 return cp->klass_ref_index_at(index);
639 C2V_END
640
641 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
642 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
643 Klass* klass = cp->klass_at(index, CHECK_NULL);
644 JVMCIKlassHandle resolved_klass(THREAD, klass);
645 if (resolved_klass->is_instance_klass()) {
646 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL);
647 if (!InstanceKlass::cast(resolved_klass())->is_linked()) {
648 // link_class() should not return here if there is an issue.
649 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name()));
650 }
651 }
652 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
653 return JVMCIENV->get_jobject(klassObject);
654 C2V_END
655
656 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
657 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
658 Klass* loading_klass = cp->pool_holder();
659 bool is_accessible = false;
660 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass));
661 Symbol* symbol = NULL;
662 if (klass.is_null()) {
663 constantTag tag = cp->tag_at(index);
664 if (tag.is_klass()) {
665 // The klass has been inserted into the constant pool
666 // very recently.
667 klass = cp->resolved_klass_at(index);
668 } else if (tag.is_symbol()) {
669 symbol = cp->symbol_at(index);
670 } else {
671 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag");
672 symbol = cp->klass_name_at(index);
673 }
674 }
675 JVMCIObject result;
676 if (!klass.is_null()) {
677 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
678 } else {
679 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL);
680 }
681 return JVMCIENV->get_jobject(result);
682 C2V_END
683
684 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
685 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
686 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
687 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop));
688 C2V_END
689
690 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
691 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
692 InstanceKlass* pool_holder = cp->pool_holder();
693 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
694 methodHandle method = JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder);
695 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
696 return JVMCIENV->get_jobject(result);
697 C2V_END
698
699 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
700 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
701 return cp->remap_instruction_operand_from_cache(index);
702 C2V_END
703
704 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
705 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
706 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
707 fieldDescriptor fd;
708 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL, CHECK_0);
709 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
710 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle);
711 if (info.is_null() || JVMCIENV->get_length(info) != 3) {
712 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
713 }
714 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int());
715 JVMCIENV->put_int_at(info, 1, fd.offset());
716 JVMCIENV->put_int_at(info, 2, fd.index());
717 JVMCIKlassHandle handle(THREAD, fd.field_holder());
718 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
719 return JVMCIENV->get_jobject(field_holder);
720 C2V_END
721
722 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
723 Klass* klass = JVMCIENV->asKlass(jvmci_type);
724 Method* method = JVMCIENV->asMethod(jvmci_method);
725 if (klass->is_interface()) {
726 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name()));
727 }
728 if (!method->method_holder()->is_interface()) {
729 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()));
730 }
731 if (!klass->is_instance_klass()) {
732 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
733 }
734 if (!InstanceKlass::cast(klass)->is_linked()) {
735 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name()));
736 }
737 return LinkResolver::vtable_index_of_interface_method(klass, method);
738 C2V_END
739
740 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
741 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type);
742 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type);
743 methodHandle method = JVMCIENV->asMethod(jvmci_method);
744
745 Klass* resolved = method->method_holder();
746 Symbol* h_name = method->name();
747 Symbol* h_signature = method->signature();
748
749 if (MethodHandles::is_signature_polymorphic_method(method())) {
750 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
751 return NULL;
752 }
753
754 if (method->name() == vmSymbols::clone_name() &&
755 resolved == SystemDictionary::Object_klass() &&
756 recv_klass->is_array_klass()) {
757 // Resolution of the clone method on arrays always returns Object.clone even though that method
758 // has protected access. There's some trickery in the access checking to make this all work out
759 // so it's necessary to pass in the array class as the resolved class to properly trigger this.
760 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See
761 // LinkResolver::check_method_accessability for the matching logic.
762 resolved = recv_klass;
763 }
764
765 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
766 methodHandle m;
767 // Only do exact lookup if receiver klass has been linked. Otherwise,
768 // the vtable has not been setup, and the LinkResolver will fail.
769 if (recv_klass->is_array_klass() ||
770 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
771 if (resolved->is_interface()) {
772 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
773 } else {
774 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
775 }
776 }
777
778 if (m.is_null()) {
779 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
780 return NULL;
781 }
782
783 JVMCIObject result = JVMCIENV->get_jvmci_method(m, JVMCI_CHECK_NULL);
784 return JVMCIENV->get_jobject(result);
785 C2V_END
786
787 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type))
788 Klass* klass = JVMCIENV->asKlass(jvmci_type);
789 assert(klass != NULL, "method must not be called for primitive types");
790 return Dependencies::find_finalizable_subclass(klass) != NULL;
791 C2V_END
792
793 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type))
794 Klass* klass = JVMCIENV->asKlass(jvmci_type);
795 if (!klass->is_instance_klass()) {
796 return NULL;
797 }
798 InstanceKlass* iklass = InstanceKlass::cast(klass);
799 JVMCIObject result = JVMCIENV->get_jvmci_method(iklass->class_initializer(), JVMCI_CHECK_NULL);
800 return JVMCIENV->get_jobject(result);
801 C2V_END
802
803 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr))
804 address target_addr = (address) addr;
805 if (target_addr != 0x0) {
806 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
807 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
808 return MAX2(ABS(off_low), ABS(off_high));
809 }
810 return -1;
811 C2V_END
812
813 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
814 methodHandle method = JVMCIENV->asMethod(jvmci_method);
815 method->set_not_c1_compilable();
816 method->set_not_c2_compilable();
817 method->set_dont_inline(true);
818 C2V_END
819
820 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code,
821 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj))
822 HandleMark hm;
823 JNIHandleMark jni_hm(thread);
824
825 JVMCIObject target_handle = JVMCIENV->wrap(target);
826 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
827 CodeBlob* cb = NULL;
828 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code);
829 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj);
830
831 int speculations_len = JVMCIENV->get_length(speculations_handle);
832 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len);
833 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len);
834
835 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
836
837 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
838 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0;
839
840 CodeInstaller installer(JVMCIENV, is_immutable_PIC);
841 JVMCI::CodeInstallResult result = installer.install(compiler,
842 target_handle,
843 compiled_code_handle,
844 cb,
845 installed_code_handle,
846 (FailedSpeculation**)(address) failed_speculations_address,
847 speculations,
848 speculations_len,
849 JVMCI_CHECK_0);
850
851 if (PrintCodeCacheOnCompilation) {
852 stringStream s;
853 // Dump code cache into a buffer before locking the tty,
854 {
855 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
856 CodeCache::print_summary(&s, false);
857 }
858 ttyLocker ttyl;
859 tty->print_raw_cr(s.as_string());
860 }
861
862 if (result != JVMCI::ok) {
863 assert(cb == NULL, "should be");
864 } else {
865 if (installed_code_handle.is_non_null()) {
866 if (cb->is_nmethod()) {
867 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type");
868 // Clear the link to an old nmethod first
869 JVMCIObject nmethod_mirror = installed_code_handle;
870 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0);
871 } else {
872 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type");
873 }
874 // Initialize the link to the new code blob
875 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0);
876 }
877 }
878 return result;
879 C2V_END
880
881 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata))
882 #if INCLUDE_AOT
883 HandleMark hm;
884 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode");
885
886 JVMCIObject target_handle = JVMCIENV->wrap(target);
887 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
888 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata);
889
890 CodeMetadata code_metadata;
891
892 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */);
893 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0);
894 if (result != JVMCI::ok) {
895 return result;
896 }
897
898 if (code_metadata.get_nr_pc_desc() > 0) {
899 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc();
900 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
901 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size);
902 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array);
903 }
904
905 if (code_metadata.get_scopes_size() > 0) {
906 int size = code_metadata.get_scopes_size();
907 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
908 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size);
909 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array);
910 }
911
912 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
913 int size = (int) reloc_buffer->size();
914 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
915 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size);
916 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array);
917
918 const OopMapSet* oopMapSet = installer.oopMapSet();
919 {
920 ResourceMark mark;
921 ImmutableOopMapBuilder builder(oopMapSet);
922 int size = builder.heap_size();
923 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
924 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0));
925 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array);
926 }
927
928 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
929
930 int nr_meta_refs = recorder->nr_meta_refs();
931 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full));
932 for (int i = 0; i < nr_meta_refs; ++i) {
933 jobject element = recorder->meta_element(i);
934 if (element == NULL) {
935 return JVMCI::cache_full;
936 }
937 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element));
938 }
939 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray);
940
941 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
942 int table_size = handler->size_in_bytes();
943 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full));
944 if (table_size > 0) {
945 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0));
946 }
947 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray);
948
949 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table();
950 int implicit_table_size = implicit->size_in_bytes();
951 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full));
952 if (implicit_table_size > 0) {
953 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size);
954 }
955 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray);
956
957 return result;
958 #else
959 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
960 #endif
961 C2V_END
962
963 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject))
964 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
965 CompilerStatistics* stats = compiler->stats();
966 stats->_standard.reset();
967 stats->_osr.reset();
968 C2V_END
969
970 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode))
971 HandleMark hm;
972
973 if (installedCode == NULL) {
974 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null");
975 }
976
977 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode);
978 CodeBlob* cb = JVMCIENV->asCodeBlob(installedCodeObject);
979 if (cb == NULL) {
980 return NULL;
981 }
982
983 // We don't want the stringStream buffer to resize during disassembly as it
984 // uses scoped resource memory. If a nested function called during disassembly uses
985 // a ResourceMark and the buffer expands within the scope of the mark,
986 // the buffer becomes garbage when that scope is exited. Experience shows that
987 // the disassembled code is typically about 10x the code size so a fixed buffer
988 // sized to 20x code size plus a fixed amount for header info should be sufficient.
989 int bufferSize = cb->code_size() * 20 + 1024;
990 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
991 stringStream st(buffer, bufferSize);
992 if (cb->is_nmethod()) {
993 nmethod* nm = (nmethod*) cb;
994 if (!nm->is_alive()) {
995 return NULL;
996 }
997 }
998 Disassembler::decode(cb, &st);
999 if (st.size() <= 0) {
1000 return NULL;
1001 }
1002
1003 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL);
1004 return JVMCIENV->get_jobject(result);
1005 C2V_END
1006
1007 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci))
1008 HandleMark hm;
1009
1010 methodHandle method = JVMCIENV->asMethod(jvmci_method);
1011 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL);
1012 return JVMCIENV->get_jobject(element);
1013 C2V_END
1014
1015 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod))
1016 // The incoming arguments array would have to contain JavaConstants instead of regular objects
1017 // and the return value would have to be wrapped as a JavaConstant.
1018 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL);
1019
1020 HandleMark hm;
1021
1022 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1023 nmethod* nm = JVMCIENV->asNmethod(nmethod_mirror);
1024 if (nm == NULL) {
1025 JVMCI_THROW_NULL(InvalidInstalledCodeException);
1026 }
1027 methodHandle mh = nm->method();
1028 Symbol* signature = mh->signature();
1029 JavaCallArguments jca(mh->size_of_parameters());
1030
1031 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1032 JavaValue result(jap.get_ret_type());
1033 jca.set_alternative_target(nm);
1034 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1035
1036 if (jap.get_ret_type() == T_VOID) {
1037 return NULL;
1038 } else if (is_reference_type(jap.get_ret_type())) {
1039 return JNIHandles::make_local((oop) result.get_jobject());
1040 } else {
1041 jvalue *value = (jvalue *) result.get_value_addr();
1042 // Narrow the value down if required (Important on big endian machines)
1043 switch (jap.get_ret_type()) {
1044 case T_BOOLEAN:
1045 value->z = (jboolean) value->i;
1046 break;
1047 case T_BYTE:
1048 value->b = (jbyte) value->i;
1049 break;
1050 case T_CHAR:
1051 value->c = (jchar) value->i;
1052 break;
1053 case T_SHORT:
1054 value->s = (jshort) value->i;
1055 break;
1056 default:
1057 break;
1058 }
1059 JVMCIObject o = JVMCIENV->create_box(jap.get_ret_type(), value, JVMCI_CHECK_NULL);
1060 return JVMCIENV->get_jobject(o);
1061 }
1062 C2V_END
1063
1064 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method))
1065 Method* method = JVMCIENV->asMethod(jvmci_method);
1066 if (!method->has_linenumber_table()) {
1067 return NULL;
1068 }
1069 u2 num_entries = 0;
1070 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1071 while (streamForSize.read_pair()) {
1072 num_entries++;
1073 }
1074
1075 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1076 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL);
1077
1078 int i = 0;
1079 jlong value;
1080 while (stream.read_pair()) {
1081 value = ((long) stream.bci());
1082 JVMCIENV->put_long_at(result, i, value);
1083 value = ((long) stream.line());
1084 JVMCIENV->put_long_at(result, i + 1, value);
1085 i += 2;
1086 }
1087
1088 return (jlongArray) JVMCIENV->get_jobject(result);
1089 C2V_END
1090
1091 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
1092 Method* method = JVMCIENV->asMethod(jvmci_method);
1093 if (!method->has_localvariable_table()) {
1094 return 0;
1095 }
1096 return (jlong) (address) method->localvariable_table_start();
1097 C2V_END
1098
1099 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
1100 Method* method = JVMCIENV->asMethod(jvmci_method);
1101 return method->localvariable_table_length();
1102 C2V_END
1103
1104 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method))
1105 Method* method = JVMCIENV->asMethod(jvmci_method);
1106 MethodCounters* mcs = method->method_counters();
1107 if (mcs != NULL) {
1108 mcs->clear_counters();
1109 }
1110 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1111
1112 CompiledMethod* code = method->code();
1113 if (code != NULL) {
1114 code->make_not_entrant();
1115 }
1116
1117 MethodData* method_data = method->method_data();
1118 if (method_data == NULL) {
1119 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1120 method_data = MethodData::allocate(loader_data, method, CHECK);
1121 method->set_method_data(method_data);
1122 } else {
1123 method_data->initialize();
1124 }
1125 C2V_END
1126
1127
1128 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod))
1129 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1130 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK);
1131 C2V_END
1132
1133 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr))
1134 oop ret = RawAccess<>::oop_load((oop*)(address)addr);
1135 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret));
1136 C2V_END
1137
1138 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject))
1139 // Returns a zero length array if counters aren't enabled
1140 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL);
1141 if (JVMCICounterSize > 0) {
1142 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize);
1143 JavaThread::collect_counters(temp_array, JVMCICounterSize);
1144 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize);
1145 }
1146 return (jlongArray) JVMCIENV->get_jobject(array);
1147 C2V_END
1148
1149 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject))
1150 return (jint) JVMCICounterSize;
1151 C2V_END
1152
1153 C2V_VMENTRY(void, setCountersSize, (JNIEnv* env, jobject, jint new_size))
1154 JavaThread::resize_all_jvmci_counters(new_size);
1155 C2V_END
1156
1157 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci))
1158 HandleMark hm;
1159 if (jvmci_method == NULL) {
1160 JVMCI_THROW_0(NullPointerException);
1161 }
1162 Method* method = JVMCIENV->asMethod(jvmci_method);
1163 if (entry_bci >= method->code_size() || entry_bci < -1) {
1164 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci));
1165 }
1166 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1167 C2V_END
1168
1169
1170 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data))
1171 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1172 return mdo != NULL && mdo->is_mature();
1173 C2V_END
1174
1175 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1176 Method* method = JVMCIENV->asMethod(jvmci_method);
1177 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1178 C2V_END
1179
1180 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol))
1181 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL);
1182 return JVMCIENV->get_jobject(sym);
1183 C2V_END
1184
1185 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) {
1186 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1187
1188 for (int i = 0; i < methods_oop->length(); i++) {
1189 oop resolved = methods_oop->obj_at(i);
1190 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) {
1191 return true;
1192 }
1193 }
1194 return false;
1195 }
1196
1197 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
1198 CallInfo callinfo;
1199 Handle receiver = args->receiver();
1200 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
1201 LinkInfo link_info(spec_klass, name, signature);
1202 LinkResolver::resolve_interface_call(
1203 callinfo, receiver, recvrKlass, link_info, true, CHECK);
1204 methodHandle method = callinfo.selected_method();
1205 assert(method.not_null(), "should have thrown exception");
1206
1207 // Invoke the method
1208 JavaCalls::call(result, method, args, CHECK);
1209 }
1210
1211 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
1212
1213 if (!thread->has_last_Java_frame()) {
1214 return NULL;
1215 }
1216 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
1217
1218 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL);
1219
1220 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1221 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1222
1223 StackFrameStream fst(thread);
1224 jobjectArray methods = initial_methods;
1225
1226 int frame_number = 0;
1227 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1228
1229 while (true) {
1230 // look for the given method
1231 bool realloc_called = false;
1232 while (true) {
1233 StackValueCollection* locals = NULL;
1234 if (vf->is_compiled_frame()) {
1235 // compiled method frame
1236 compiledVFrame* cvf = compiledVFrame::cast(vf);
1237 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) {
1238 if (initialSkip > 0) {
1239 initialSkip--;
1240 } else {
1241 ScopeDesc* scope = cvf->scope();
1242 // native wrappers do not have a scope
1243 if (scope != NULL && scope->objects() != NULL) {
1244 GrowableArray<ScopeValue*>* objects;
1245 if (!realloc_called) {
1246 objects = scope->objects();
1247 } else {
1248 // some object might already have been re-allocated, only reallocate the non-allocated ones
1249 objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
1250 for (int i = 0; i < scope->objects()->length(); i++) {
1251 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
1252 if (sv->value().is_null()) {
1253 objects->append(sv);
1254 }
1255 }
1256 }
1257 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL);
1258 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
1259 realloc_called = true;
1260
1261 GrowableArray<ScopeValue*>* local_values = scope->locals();
1262 assert(local_values != NULL, "NULL locals");
1263 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1264 typeArrayHandle array(THREAD, array_oop);
1265 for (int i = 0; i < local_values->length(); i++) {
1266 ScopeValue* value = local_values->at(i);
1267 if (value->is_object()) {
1268 array->bool_at_put(i, true);
1269 }
1270 }
1271 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array());
1272 } else {
1273 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1274 }
1275
1276 locals = cvf->locals();
1277 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci());
1278 JVMCIObject method = JVMCIENV->get_jvmci_method(cvf->method(), JVMCI_CHECK_NULL);
1279 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1280 }
1281 }
1282 } else if (vf->is_interpreted_frame()) {
1283 // interpreted method frame
1284 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1285 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) {
1286 if (initialSkip > 0) {
1287 initialSkip--;
1288 } else {
1289 locals = ivf->locals();
1290 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci());
1291 JVMCIObject method = JVMCIENV->get_jvmci_method(ivf->method(), JVMCI_CHECK_NULL);
1292 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1293 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1294 }
1295 }
1296 }
1297
1298 // locals != NULL means that we found a matching frame and result is already partially initialized
1299 if (locals != NULL) {
1300 methods = match_methods;
1301 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM));
1302 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp());
1303 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number);
1304
1305 // initialize the locals array
1306 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1307 objArrayHandle array(THREAD, array_oop);
1308 for (int i = 0; i < locals->size(); i++) {
1309 StackValue* var = locals->at(i);
1310 if (var->type() == T_OBJECT) {
1311 array->obj_at_put(i, locals->at(i)->get_obj()());
1312 }
1313 }
1314 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array());
1315 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE);
1316
1317 JavaValue result(T_OBJECT);
1318 JavaCallArguments args(visitor);
1319 args.push_oop(frame_reference);
1320 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
1321 if (result.get_jobject() != NULL) {
1322 return JNIHandles::make_local(thread, (oop) result.get_jobject());
1323 }
1324 assert(initialSkip == 0, "There should be no match before initialSkip == 0");
1325 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) {
1326 // the frame has been deoptimized, we need to re-synchronize the frame and vframe
1327 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference());
1328 fst = StackFrameStream(thread);
1329 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1330 fst.next();
1331 }
1332 if (fst.current()->sp() != stack_pointer) {
1333 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1334 }
1335 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1336 if (!vf->is_compiled_frame()) {
1337 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1338 }
1339 for (int i = 0; i < frame_number; i++) {
1340 if (vf->is_top()) {
1341 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
1342 }
1343 vf = vf->sender();
1344 assert(vf->is_compiled_frame(), "Wrong frame type");
1345 }
1346 }
1347 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1348 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1349 }
1350
1351 if (vf->is_top()) {
1352 break;
1353 }
1354 frame_number++;
1355 vf = vf->sender();
1356 } // end of vframe loop
1357
1358 if (fst.is_done()) {
1359 break;
1360 }
1361 fst.next();
1362 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1363 frame_number = 0;
1364 } // end of frame loop
1365
1366 // the end was reached without finding a matching method
1367 return NULL;
1368 C2V_END
1369
1370 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1371 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
1372 CallInfo callInfo;
1373 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1374 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1375 cp_cache_entry->set_dynamic_call(cp, callInfo);
1376 C2V_END
1377
1378 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1379 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
1380 Klass* holder = cp->klass_ref_at(index, CHECK);
1381 Symbol* name = cp->name_ref_at(index);
1382 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1383 CallInfo callInfo;
1384 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1385 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1386 cp_cache_entry->set_method_handle(cp, callInfo);
1387 }
1388 C2V_END
1389
1390 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1391 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool);
1392 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1393 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1394 // MethodHandle.invoke* --> LambdaForm?
1395 ResourceMark rm;
1396
1397 LinkInfo link_info(cp, index, CATCH);
1398
1399 Klass* resolved_klass = link_info.resolved_klass();
1400
1401 Symbol* name_sym = cp->name_ref_at(index);
1402
1403 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1404 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1405
1406 methodHandle adapter_method(cp_cache_entry->f1_as_method());
1407
1408 methodHandle resolved_method(adapter_method);
1409
1410 // Can we treat it as a regular invokevirtual?
1411 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1412 vmassert(!resolved_method->is_static(),"!");
1413 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1414 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1415 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1416
1417 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1418 vmassert(m == resolved_method, "!!");
1419 return -1;
1420 }
1421
1422 return Bytecodes::_invokevirtual;
1423 }
1424 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1425 return Bytecodes::_invokedynamic;
1426 }
1427 return -1;
1428 C2V_END
1429
1430
1431 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject))
1432 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL);
1433 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL);
1434 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL);
1435 JVMCIENV->put_object_at(holders, 0, mh);
1436 JVMCIENV->put_object_at(holders, 1, vh);
1437 return JVMCIENV->get_jobject(holders);
1438 C2V_END
1439
1440 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject))
1441 //see compute_recording_non_safepoints in debugInfroRec.cpp
1442 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1443 return true;
1444 }
1445 return DebugNonSafepoints;
1446 C2V_END
1447
1448 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1449 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate))
1450 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame);
1451 if (hs_frame.is_null()) {
1452 JVMCI_THROW_MSG(NullPointerException, "stack frame is null");
1453 }
1454
1455 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK);
1456
1457 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK);
1458
1459 // look for the given stack frame
1460 StackFrameStream fst(thread);
1461 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame);
1462 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1463 fst.next();
1464 }
1465 if (fst.current()->sp() != stack_pointer) {
1466 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found");
1467 }
1468
1469 if (invalidate) {
1470 if (!fst.current()->is_compiled_frame()) {
1471 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1472 }
1473 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1474 ((nmethod*) fst.current()->cb())->make_not_entrant();
1475 }
1476 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1477 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1478 StackFrameStream fstAfterDeopt(thread);
1479 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1480 fstAfterDeopt.next();
1481 }
1482 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1483 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt");
1484 }
1485
1486 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1487 if (!vf->is_compiled_frame()) {
1488 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1489 }
1490
1491 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1492 while (true) {
1493 assert(vf->is_compiled_frame(), "Wrong frame type");
1494 virtualFrames->push(compiledVFrame::cast(vf));
1495 if (vf->is_top()) {
1496 break;
1497 }
1498 vf = vf->sender();
1499 }
1500
1501 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame);
1502 if (last_frame_number >= virtualFrames->length()) {
1503 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number");
1504 }
1505
1506 // Reallocate the non-escaping objects and restore their fields.
1507 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1508 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1509
1510 if (objects == NULL) {
1511 // no objects to materialize
1512 return;
1513 }
1514
1515 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK);
1516 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1517
1518 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1519 compiledVFrame* cvf = virtualFrames->at(frame_index);
1520
1521 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1522 StackValueCollection* locals = cvf->locals();
1523 if (locals != NULL) {
1524 for (int i2 = 0; i2 < locals->size(); i2++) {
1525 StackValue* var = locals->at(i2);
1526 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1527 jvalue val;
1528 val.l = (jobject) locals->at(i2)->get_obj()();
1529 cvf->update_local(T_OBJECT, i2, val);
1530 }
1531 }
1532 }
1533
1534 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1535 StackValueCollection* expressions = cvf->expressions();
1536 if (expressions != NULL) {
1537 for (int i2 = 0; i2 < expressions->size(); i2++) {
1538 StackValue* var = expressions->at(i2);
1539 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1540 jvalue val;
1541 val.l = (jobject) expressions->at(i2)->get_obj()();
1542 cvf->update_stack(T_OBJECT, i2, val);
1543 }
1544 }
1545 }
1546
1547 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1548 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1549 if (monitors != NULL) {
1550 for (int i2 = 0; i2 < monitors->length(); i2++) {
1551 cvf->update_monitor(i2, monitors->at(i2));
1552 }
1553 }
1554 }
1555
1556 // all locals are materialized by now
1557 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL);
1558 // update the locals array
1559 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame);
1560 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1561 for (int i = 0; i < locals->size(); i++) {
1562 StackValue* var = locals->at(i);
1563 if (var->type() == T_OBJECT) {
1564 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()()));
1565 }
1566 }
1567 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE);
1568 C2V_END
1569
1570 // Creates a scope where the current thread is attached and detached
1571 // from HotSpot if it wasn't already attached when entering the scope.
1572 extern "C" void jio_printf(const char *fmt, ...);
1573 class AttachDetach : public StackObj {
1574 public:
1575 bool _attached;
1576 AttachDetach(JNIEnv* env, Thread* current_thread) {
1577 if (current_thread == NULL) {
1578 extern struct JavaVM_ main_vm;
1579 JNIEnv* hotspotEnv;
1580 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
1581 _attached = res == JNI_OK;
1582 static volatile int report_attach_error = 0;
1583 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(1, &report_attach_error, 0) == 0) {
1584 // Only report an attach error once
1585 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res);
1586 }
1587 } else {
1588 _attached = false;
1589 }
1590 }
1591 ~AttachDetach() {
1592 if (_attached && get_current_thread() != NULL) {
1593 extern struct JavaVM_ main_vm;
1594 jint res = main_vm.DetachCurrentThread();
1595 static volatile int report_detach_error = 0;
1596 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(1, &report_detach_error, 0) == 0) {
1597 // Only report an attach error once
1598 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res);
1599 }
1600 }
1601 }
1602 };
1603
1604 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw))
1605 AttachDetach ad(env, base_thread);
1606 bool use_tty = true;
1607 if (base_thread == NULL) {
1608 if (!ad._attached) {
1609 // Can only use tty if the current thread is attached
1610 return 0;
1611 }
1612 base_thread = get_current_thread();
1613 }
1614 JVMCITraceMark jtm("writeDebugOutput");
1615 assert(base_thread->is_Java_thread(), "just checking");
1616 JavaThread* thread = (JavaThread*) base_thread;
1617 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length))
1618 if (bytes == NULL) {
1619 if (can_throw) {
1620 JVMCI_THROW_0(NullPointerException);
1621 }
1622 return -1;
1623 }
1624 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes);
1625
1626 // Check if offset and length are non negative.
1627 if (offset < 0 || length < 0) {
1628 if (can_throw) {
1629 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1630 }
1631 return -2;
1632 }
1633 // Check if the range is valid.
1634 int array_length = JVMCIENV->get_length(array);
1635 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) {
1636 if (can_throw) {
1637 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1638 }
1639 return -2;
1640 }
1641 jbyte buffer[O_BUFLEN];
1642 while (length > 0) {
1643 int copy_len = MIN2(length, (jint)O_BUFLEN);
1644 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len);
1645 tty->write((char*) buffer, copy_len);
1646 length -= O_BUFLEN;
1647 offset += O_BUFLEN;
1648 }
1649 if (flush) {
1650 tty->flush();
1651 }
1652 return 0;
1653 C2V_END
1654
1655 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject))
1656 tty->flush();
1657 C2V_END
1658
1659 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position))
1660 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1661 ProfileData* profile_data = mdo->data_at(position);
1662 if (mdo->is_valid(profile_data)) {
1663 return profile_data->size_in_bytes();
1664 }
1665 DataLayout* data = mdo->extra_data_base();
1666 DataLayout* end = mdo->extra_data_limit();
1667 for (;; data = mdo->next_extra(data)) {
1668 assert(data < end, "moved past end of extra data");
1669 profile_data = data->data_in();
1670 if (mdo->dp_to_di(profile_data->dp()) == position) {
1671 return profile_data->size_in_bytes();
1672 }
1673 }
1674 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position));
1675 C2V_END
1676
1677 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass))
1678 #if INCLUDE_AOT
1679 Klass *k = (Klass*) (address) metaspace_klass;
1680 if (k->is_instance_klass()) {
1681 return InstanceKlass::cast(k)->get_stored_fingerprint();
1682 } else {
1683 return 0;
1684 }
1685 #else
1686 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
1687 #endif
1688 C2V_END
1689
1690 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type))
1691 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type));
1692 InstanceKlass* host = k->unsafe_anonymous_host();
1693 JVMCIKlassHandle handle(THREAD, host);
1694 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
1695 return JVMCIENV->get_jobject(result);
1696 C2V_END
1697
1698 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type))
1699 if (jvmci_type == NULL) {
1700 JVMCI_THROW_0(NullPointerException);
1701 }
1702
1703 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1704 if (klass == NULL) {
1705 JVMCI_THROW_0(NullPointerException);
1706 }
1707 if (!klass->is_instance_klass()) {
1708 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
1709 }
1710 InstanceKlass* iklass = InstanceKlass::cast(klass);
1711
1712 // Regular instance klass, fill in all local interfaces
1713 int size = iklass->local_interfaces()->length();
1714 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL);
1715 for (int index = 0; index < size; index++) {
1716 JVMCIKlassHandle klass(THREAD);
1717 Klass* k = iklass->local_interfaces()->at(index);
1718 klass = k;
1719 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
1720 JVMCIENV->put_object_at(interfaces, index, type);
1721 }
1722 return JVMCIENV->get_jobject(interfaces);
1723 C2V_END
1724
1725 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type))
1726 if (jvmci_type == NULL) {
1727 JVMCI_THROW_0(NullPointerException);
1728 }
1729
1730 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1731 oop mirror = klass->java_mirror();
1732 if (java_lang_Class::is_primitive(mirror) ||
1733 !java_lang_Class::as_Klass(mirror)->is_array_klass()) {
1734 return NULL;
1735 }
1736
1737 oop component_mirror = java_lang_Class::component_mirror(mirror);
1738 if (component_mirror == NULL) {
1739 return NULL;
1740 }
1741 Klass* component_klass = java_lang_Class::as_Klass(component_mirror);
1742 if (component_klass != NULL) {
1743 JVMCIKlassHandle klass_handle(THREAD);
1744 klass_handle = component_klass;
1745 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
1746 return JVMCIENV->get_jobject(result);
1747 }
1748 BasicType type = java_lang_Class::primitive_type(component_mirror);
1749 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type);
1750 return JVMCIENV->get_jobject(result);
1751 C2V_END
1752
1753 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type))
1754 if (jvmci_type == NULL) {
1755 JVMCI_THROW(NullPointerException);
1756 }
1757
1758 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1759 if (klass != NULL && klass->should_be_initialized()) {
1760 InstanceKlass* k = InstanceKlass::cast(klass);
1761 k->initialize(CHECK);
1762 }
1763 C2V_END
1764
1765 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle))
1766 if (bytecode_frame_handle == NULL) {
1767 JVMCI_THROW_0(NullPointerException);
1768 }
1769
1770 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle);
1771 JVMCIObject bytecode_frame = top_bytecode_frame;
1772 int size = 0;
1773 int callee_parameters = 0;
1774 int callee_locals = 0;
1775 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1776 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1777
1778 while (bytecode_frame.is_non_null()) {
1779 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame);
1780 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1781 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame));
1782 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1783
1784 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1785 temps + callee_parameters,
1786 extra_args,
1787 locks,
1788 callee_parameters,
1789 callee_locals,
1790 is_top_frame);
1791 size += frame_size;
1792
1793 callee_parameters = method->size_of_parameters();
1794 callee_locals = method->max_locals();
1795 extra_args = 0;
1796 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame);
1797 }
1798 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1799 C2V_END
1800
1801 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle))
1802 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK);
1803 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1804 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode");
1805 JavaValue result(T_VOID);
1806 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1807 } else {
1808 JVMCI_THROW_MSG(IllegalArgumentException,
1809 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()))
1810 }
1811 C2V_END
1812
1813 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object))
1814 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1815 return obj->identity_hash();
1816 C2V_END
1817
1818 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object))
1819 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1820 if (!java_lang_String::is_instance(str())) {
1821 return false;
1822 }
1823 int len;
1824 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_0);
1825 return (StringTable::lookup(name, len) != NULL);
1826 C2V_END
1827
1828
1829 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object))
1830 if (object == NULL) {
1831 JVMCI_THROW_0(NullPointerException);
1832 }
1833 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
1834 BasicType type = java_lang_boxing_object::basic_type(box());
1835 jvalue result;
1836 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) {
1837 return NULL;
1838 }
1839 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL);
1840 return JVMCIENV->get_jobject(boxResult);
1841 C2V_END
1842
1843 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object))
1844 if (object == NULL) {
1845 JVMCI_THROW_0(NullPointerException);
1846 }
1847 JVMCIObject box = JVMCIENV->wrap(object);
1848 BasicType type = JVMCIENV->get_box_type(box);
1849 if (type == T_ILLEGAL) {
1850 return NULL;
1851 }
1852 jvalue value = JVMCIENV->get_boxed_value(type, box);
1853 JavaValue box_result(T_OBJECT);
1854 JavaCallArguments jargs;
1855 Klass* box_klass = NULL;
1856 Symbol* box_signature = NULL;
1857 #define BOX_CASE(bt, v, argtype, name) \
1858 case bt: \
1859 jargs.push_##argtype(value.v); \
1860 box_klass = SystemDictionary::name##_klass(); \
1861 box_signature = vmSymbols::name##_valueOf_signature(); \
1862 break
1863
1864 switch (type) {
1865 BOX_CASE(T_BOOLEAN, z, int, Boolean);
1866 BOX_CASE(T_BYTE, b, int, Byte);
1867 BOX_CASE(T_CHAR, c, int, Character);
1868 BOX_CASE(T_SHORT, s, int, Short);
1869 BOX_CASE(T_INT, i, int, Integer);
1870 BOX_CASE(T_LONG, j, long, Long);
1871 BOX_CASE(T_FLOAT, f, float, Float);
1872 BOX_CASE(T_DOUBLE, d, double, Double);
1873 default:
1874 ShouldNotReachHere();
1875 }
1876 #undef BOX_CASE
1877
1878 JavaCalls::call_static(&box_result,
1879 box_klass,
1880 vmSymbols::valueOf_name(),
1881 box_signature, &jargs, CHECK_NULL);
1882 oop hotspot_box = (oop) box_result.get_jobject();
1883 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false);
1884 return JVMCIENV->get_jobject(result);
1885 C2V_END
1886
1887 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder))
1888 if (holder == NULL) {
1889 JVMCI_THROW_0(NullPointerException);
1890 }
1891 Klass* klass = JVMCIENV->asKlass(holder);
1892 if (!klass->is_instance_klass()) {
1893 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1894 return JVMCIENV->get_jobjectArray(methods);
1895 }
1896
1897 InstanceKlass* iklass = InstanceKlass::cast(klass);
1898 // Ensure class is linked
1899 iklass->link_class(CHECK_NULL);
1900
1901 GrowableArray<Method*> constructors_array;
1902 for (int i = 0; i < iklass->methods()->length(); i++) {
1903 Method* m = iklass->methods()->at(i);
1904 if (m->is_initializer() && !m->is_static()) {
1905 constructors_array.append(m);
1906 }
1907 }
1908 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL);
1909 for (int i = 0; i < constructors_array.length(); i++) {
1910 JVMCIObject method = JVMCIENV->get_jvmci_method(constructors_array.at(i), JVMCI_CHECK_NULL);
1911 JVMCIENV->put_object_at(methods, i, method);
1912 }
1913 return JVMCIENV->get_jobjectArray(methods);
1914 C2V_END
1915
1916 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder))
1917 if (holder == NULL) {
1918 JVMCI_THROW_0(NullPointerException);
1919 }
1920 Klass* klass = JVMCIENV->asKlass(holder);
1921 if (!klass->is_instance_klass()) {
1922 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1923 return JVMCIENV->get_jobjectArray(methods);
1924 }
1925
1926 InstanceKlass* iklass = InstanceKlass::cast(klass);
1927 // Ensure class is linked
1928 iklass->link_class(CHECK_NULL);
1929
1930 GrowableArray<Method*> methods_array;
1931 for (int i = 0; i < iklass->methods()->length(); i++) {
1932 Method* m = iklass->methods()->at(i);
1933 if (!m->is_initializer() && !m->is_overpass()) {
1934 methods_array.append(m);
1935 }
1936 }
1937 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL);
1938 for (int i = 0; i < methods_array.length(); i++) {
1939 JVMCIObject method = JVMCIENV->get_jvmci_method(methods_array.at(i), JVMCI_CHECK_NULL);
1940 JVMCIENV->put_object_at(methods, i, method);
1941 }
1942 return JVMCIENV->get_jobjectArray(methods);
1943 C2V_END
1944
1945 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile))
1946 if (object == NULL || field == NULL) {
1947 JVMCI_THROW_0(NullPointerException);
1948 }
1949 JVMCIObject field_object = JVMCIENV->wrap(field);
1950 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object);
1951 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object);
1952 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object));
1953 if (!holder->is_instance_klass()) {
1954 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name()));
1955 }
1956 InstanceKlass* ik = InstanceKlass::cast(holder);
1957 BasicType constant_type;
1958 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) {
1959 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL);
1960 } else {
1961 constant_type = T_OBJECT;
1962 }
1963 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object);
1964 fieldDescriptor fd;
1965 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) {
1966 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement));
1967 }
1968 JVMCIObject base = JVMCIENV->wrap(object);
1969 Handle obj;
1970 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) {
1971 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL);
1972 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) {
1973 Klass* klass = JVMCIENV->asKlass(base);
1974 obj = Handle(THREAD, klass->java_mirror());
1975 } else {
1976 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
1977 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base)));
1978 }
1979 jlong value = 0;
1980 JVMCIObject kind;
1981 switch (constant_type) {
1982 case T_OBJECT: {
1983 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement);
1984 JVMCIObject result = JVMCIENV->get_object_constant(object);
1985 if (result.is_null()) {
1986 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER());
1987 }
1988 return JVMCIENV->get_jobject(result);
1989 }
1990 case T_FLOAT: {
1991 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement);
1992 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL);
1993 return JVMCIENV->get_jobject(result);
1994 }
1995 case T_DOUBLE: {
1996 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement);
1997 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL);
1998 return JVMCIENV->get_jobject(result);
1999 }
2000 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break;
2001 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break;
2002 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break;
2003 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break;
2004 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break;
2005 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break;
2006 default:
2007 ShouldNotReachHere();
2008 }
2009 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL);
2010 return JVMCIENV->get_jobject(result);
2011 C2V_END
2012
2013 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object))
2014 if (object == NULL || holder == NULL) {
2015 JVMCI_THROW_0(NullPointerException);
2016 }
2017 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
2018 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2019 return obj->is_a(klass);
2020 C2V_END
2021
2022 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder))
2023 if (holder == NULL || otherHolder == NULL) {
2024 JVMCI_THROW_0(NullPointerException);
2025 }
2026 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2027 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder));
2028 return otherKlass->is_subtype_of(klass);
2029 C2V_END
2030
2031 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder))
2032 if (holder == NULL) {
2033 JVMCI_THROW_0(NullPointerException);
2034 }
2035 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder)));
2036 if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) {
2037 return true;
2038 }
2039 return false;
2040 C2V_END
2041
2042 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object))
2043 if (object == NULL) {
2044 JVMCI_THROW_0(NullPointerException);
2045 }
2046 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2047 if (java_lang_Class::is_instance(obj())) {
2048 if (java_lang_Class::is_primitive(obj())) {
2049 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj()));
2050 return JVMCIENV->get_jobject(type);
2051 }
2052 Klass* klass = java_lang_Class::as_Klass(obj());
2053 JVMCIKlassHandle klass_handle(THREAD);
2054 klass_handle = klass;
2055 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
2056 return JVMCIENV->get_jobject(type);
2057 }
2058 return NULL;
2059 C2V_END
2060
2061
2062 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object))
2063 if (object == NULL) {
2064 JVMCI_THROW_0(NullPointerException);
2065 }
2066 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2067 const char* str = java_lang_String::as_utf8_string(obj());
2068 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL);
2069 return JVMCIENV->get_jobject(result);
2070 C2V_END
2071
2072
2073 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle))
2074 if (x == NULL || y == NULL) {
2075 JVMCI_THROW_0(NullPointerException);
2076 }
2077 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle);
2078 C2V_END
2079
2080 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object))
2081 if (object == NULL) {
2082 JVMCI_THROW_0(NullPointerException);
2083 }
2084 JVMCIObject base_object = JVMCIENV->wrap(object);
2085 Handle mirror;
2086 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
2087 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror());
2088 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) {
2089 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL);
2090 } else {
2091 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2092 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
2093 }
2094 JVMCIObject result = JVMCIENV->get_object_constant(mirror());
2095 return JVMCIENV->get_jobject(result);
2096 C2V_END
2097
2098
2099 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x))
2100 if (x == NULL) {
2101 JVMCI_THROW_0(NullPointerException);
2102 }
2103 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2104 if (xobj->klass()->is_array_klass()) {
2105 return arrayOop(xobj())->length();
2106 }
2107 return -1;
2108 C2V_END
2109
2110
2111 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index))
2112 if (x == NULL) {
2113 JVMCI_THROW_0(NullPointerException);
2114 }
2115 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL);
2116 if (xobj->klass()->is_array_klass()) {
2117 arrayOop array = arrayOop(xobj());
2118 BasicType element_type = ArrayKlass::cast(array->klass())->element_type();
2119 if (index < 0 || index >= array->length()) {
2120 return NULL;
2121 }
2122 JVMCIObject result;
2123
2124 if (element_type == T_OBJECT) {
2125 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index));
2126 if (result.is_null()) {
2127 result = JVMCIENV->get_JavaConstant_NULL_POINTER();
2128 }
2129 } else {
2130 jvalue value;
2131 switch (element_type) {
2132 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break;
2133 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break;
2134 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break;
2135 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break;
2136 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break;
2137 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break;
2138 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break;
2139 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break;
2140 default: ShouldNotReachHere();
2141 }
2142 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL);
2143 }
2144 assert(!result.is_null(), "must have a value");
2145 return JVMCIENV->get_jobject(result);
2146 }
2147 return NULL;;
2148 C2V_END
2149
2150
2151 C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind))
2152 if (kind == NULL) {
2153 JVMCI_THROW_0(NullPointerException);
2154 }
2155 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2156 return arrayOopDesc::header_size(type) * HeapWordSize;
2157 C2V_END
2158
2159 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind))
2160 if (kind == NULL) {
2161 JVMCI_THROW_0(NullPointerException);
2162 }
2163 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2164 return type2aelembytes(type);
2165 C2V_END
2166
2167 C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement))
2168 if (x == NULL) {
2169 JVMCI_THROW_0(NullPointerException);
2170 }
2171 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2172 return xobj->byte_field(displacement);
2173 }
2174
2175 C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement))
2176 if (x == NULL) {
2177 JVMCI_THROW_0(NullPointerException);
2178 }
2179 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2180 return xobj->short_field(displacement);
2181 }
2182
2183 C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement))
2184 if (x == NULL) {
2185 JVMCI_THROW_0(NullPointerException);
2186 }
2187 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2188 return xobj->int_field(displacement);
2189 }
2190
2191 C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement))
2192 if (x == NULL) {
2193 JVMCI_THROW_0(NullPointerException);
2194 }
2195 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2196 return xobj->long_field(displacement);
2197 }
2198
2199 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement))
2200 if (x == NULL) {
2201 JVMCI_THROW_0(NullPointerException);
2202 }
2203 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2204 oop res = xobj->obj_field(displacement);
2205 JVMCIObject result = JVMCIENV->get_object_constant(res);
2206 return JVMCIENV->get_jobject(result);
2207 }
2208
2209 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h))
2210 jobject handle = (jobject)(address)h;
2211 if (handle != NULL) {
2212 JVMCI::destroy_global(handle);
2213 }
2214 }
2215
2216 static void requireJVMCINativeLibrary(JVMCI_TRAPS) {
2217 if (!UseJVMCINativeLibrary) {
2218 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)");
2219 }
2220 }
2221
2222 static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) {
2223 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2224 if (javaVM == NULL) {
2225 JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller));
2226 }
2227 return javaVM;
2228 }
2229
2230 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror))
2231 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2232 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL);
2233 void* shared_library = JVMCIEnv::get_shared_library_handle();
2234 if (shared_library == NULL) {
2235 // Ensure the JVMCI shared library runtime is initialized.
2236 JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__);
2237 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2238 HandleMark hm;
2239 JVMCIRuntime* runtime = JVMCI::compiler_runtime();
2240 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv);
2241 if (peerEnv->has_pending_exception()) {
2242 peerEnv->describe_pending_exception(true);
2243 }
2244 shared_library = JVMCIEnv::get_shared_library_handle();
2245 if (shared_library == NULL) {
2246 JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime");
2247 }
2248 }
2249
2250 if (mirror == NULL) {
2251 JVMCI_THROW_0(NullPointerException);
2252 }
2253 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
2254 if (klass == NULL || !klass->is_instance_klass()) {
2255 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type");
2256 }
2257
2258 InstanceKlass* iklass = InstanceKlass::cast(klass);
2259 for (int i = 0; i < iklass->methods()->length(); i++) {
2260 Method* method = iklass->methods()->at(i);
2261 if (method->is_native()) {
2262
2263 // Compute argument size
2264 int args_size = 1 // JNIEnv
2265 + (method->is_static() ? 1 : 0) // class for static methods
2266 + method->size_of_parameters(); // actual parameters
2267
2268 // 1) Try JNI short style
2269 stringStream st;
2270 char* pure_name = NativeLookup::pure_jni_name(method);
2271 os::print_jni_name_prefix_on(&st, args_size);
2272 st.print_raw(pure_name);
2273 os::print_jni_name_suffix_on(&st, args_size);
2274 char* jni_name = st.as_string();
2275
2276 address entry = (address) os::dll_lookup(shared_library, jni_name);
2277 if (entry == NULL) {
2278 // 2) Try JNI long style
2279 st.reset();
2280 char* long_name = NativeLookup::long_jni_name(method);
2281 os::print_jni_name_prefix_on(&st, args_size);
2282 st.print_raw(pure_name);
2283 st.print_raw(long_name);
2284 os::print_jni_name_suffix_on(&st, args_size);
2285 char* jni_long_name = st.as_string();
2286 entry = (address) os::dll_lookup(shared_library, jni_long_name);
2287 if (entry == NULL) {
2288 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]",
2289 method->name_and_sig_as_C_string(),
2290 jni_name, jni_long_name, JVMCIEnv::get_shared_library_path()));
2291 }
2292 }
2293
2294 if (method->has_native_function() && entry != method->native_function()) {
2295 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]",
2296 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry)));
2297 }
2298 method->set_native_function(entry, Method::native_bind_event_is_interesting);
2299 if (PrintJNIResolving) {
2300 tty->print_cr("[Dynamic-linking native method %s.%s ... JNI]",
2301 method->method_holder()->external_name(),
2302 method->name()->as_C_string());
2303 }
2304 }
2305 }
2306
2307 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2308 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL);
2309 JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM);
2310 JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0);
2311 JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1);
2312 JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2);
2313 return (jlongArray) JVMCIENV->get_jobject(result);
2314 }
2315
2316 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm))
2317 if (base_thread == NULL) {
2318 // Called from unattached JVMCI shared library thread
2319 return false;
2320 }
2321 JVMCITraceMark jtm("isCurrentThreadAttached");
2322 assert(base_thread->is_Java_thread(), "just checking");
2323 JavaThread* thread = (JavaThread*) base_thread;
2324 if (thread->jni_environment() == env) {
2325 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject))
2326 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2327 JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0);
2328 JNIEnv* peerEnv;
2329 return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK;
2330 }
2331 return true;
2332 C2V_END
2333
2334 C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm))
2335 if (base_thread == NULL) {
2336 // Called from unattached JVMCI shared library thread
2337 return 0L;
2338 }
2339 JVMCITraceMark jtm("getCurrentJavaThread");
2340 assert(base_thread->is_Java_thread(), "just checking");
2341 return (jlong) p2i(base_thread);
2342 C2V_END
2343
2344 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon))
2345 if (base_thread == NULL) {
2346 // Called from unattached JVMCI shared library thread
2347 extern struct JavaVM_ main_vm;
2348 JNIEnv* hotspotEnv;
2349 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) :
2350 main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
2351 if (res != JNI_OK) {
2352 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false);
2353 }
2354 return true;
2355 }
2356 JVMCITraceMark jtm("attachCurrentThread");
2357 assert(base_thread->is_Java_thread(), "just checking");\
2358 JavaThread* thread = (JavaThread*) base_thread;
2359 if (thread->jni_environment() == env) {
2360 // Called from HotSpot
2361 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean))
2362 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2363 JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0);
2364 JavaVMAttachArgs attach_args;
2365 attach_args.version = JNI_VERSION_1_2;
2366 attach_args.name = thread->name();
2367 attach_args.group = NULL;
2368 JNIEnv* peerEnv;
2369 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) {
2370 return false;
2371 }
2372 jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) :
2373 javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args);
2374 if (res == JNI_OK) {
2375 guarantee(peerEnv != NULL, "must be");
2376 return true;
2377 }
2378 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name));
2379 }
2380 // Called from JVMCI shared library
2381 return false;
2382 C2V_END
2383
2384 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm))
2385 if (base_thread == NULL) {
2386 // Called from unattached JVMCI shared library thread
2387 JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread"));
2388 }
2389 JVMCITraceMark jtm("detachCurrentThread");
2390 assert(base_thread->is_Java_thread(), "just checking");\
2391 JavaThread* thread = (JavaThread*) base_thread;
2392 if (thread->jni_environment() == env) {
2393 // Called from HotSpot
2394 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject))
2395 requireJVMCINativeLibrary(JVMCI_CHECK);
2396 requireInHotSpot("detachCurrentThread", JVMCI_CHECK);
2397 JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK);
2398 JNIEnv* peerEnv;
2399 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) {
2400 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name()));
2401 }
2402 jint res = javaVM->DetachCurrentThread();
2403 if (res != JNI_OK) {
2404 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name()));
2405 }
2406 } else {
2407 // Called from attached JVMCI shared library thread
2408 extern struct JavaVM_ main_vm;
2409 jint res = main_vm.DetachCurrentThread();
2410 if (res != JNI_OK) {
2411 JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread"));
2412 }
2413 }
2414 C2V_END
2415
2416 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle))
2417 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2418 if (obj_handle == NULL) {
2419 return 0L;
2420 }
2421 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__);
2422 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2423 JVMCIEnv* thisEnv = JVMCIENV;
2424
2425 JVMCIObject obj = thisEnv->wrap(obj_handle);
2426 JVMCIObject result;
2427 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) {
2428 Method* method = thisEnv->asMethod(obj);
2429 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0);
2430 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) {
2431 Klass* klass = thisEnv->asKlass(obj);
2432 JVMCIKlassHandle klass_handle(THREAD);
2433 klass_handle = klass;
2434 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0);
2435 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) {
2436 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0);
2437 result = peerEnv->get_jvmci_primitive_type(type);
2438 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) ||
2439 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) {
2440 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0);
2441 result = peerEnv->get_object_constant(constant());
2442 } else if (thisEnv->isa_HotSpotNmethod(obj)) {
2443 nmethod* nm = thisEnv->asNmethod(obj);
2444 if (nm != NULL) {
2445 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2446 if (data != NULL) {
2447 if (peerEnv->is_hotspot()) {
2448 // Only the mirror in the HotSpot heap is accessible
2449 // through JVMCINMethodData
2450 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true);
2451 if (nmethod_mirror != NULL) {
2452 result = HotSpotJVMCI::wrap(nmethod_mirror);
2453 }
2454 }
2455 }
2456 }
2457 if (result.is_null()) {
2458 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj);
2459 methodHandle mh = thisEnv->asMethod(methodObject);
2460 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj);
2461 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj);
2462 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj);
2463 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string);
2464 // Create a new HotSpotNmethod instance in the peer runtime
2465 result = peerEnv->new_HotSpotNmethod(mh(), cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0);
2466 if (nm == NULL) {
2467 // nmethod must have been unloaded
2468 } else {
2469 // Link the new HotSpotNmethod to the nmethod
2470 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0);
2471 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime.
2472 if (peerEnv->is_hotspot()) {
2473 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2474 if (data == NULL) {
2475 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod");
2476 }
2477 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) {
2478 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod");
2479 }
2480 oop nmethod_mirror = HotSpotJVMCI::resolve(result);
2481 data->set_nmethod_mirror(nm, nmethod_mirror);
2482 }
2483 }
2484 }
2485 } else {
2486 JVMCI_THROW_MSG_0(IllegalArgumentException,
2487 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj)));
2488 }
2489 return (jlong) peerEnv->make_global(result).as_jobject();
2490 }
2491
2492 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle))
2493 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2494 if (obj_handle == 0L) {
2495 return NULL;
2496 }
2497 jobject global_handle = (jobject) obj_handle;
2498 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle);
2499 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject();
2500
2501 JVMCIENV->destroy_global(global_handle_obj);
2502 return result;
2503 }
2504
2505 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle))
2506 JVMCIObject code = JVMCIENV->wrap(code_handle);
2507 // Execute this operation for the side effect of updating the InstalledCode state
2508 JVMCIENV->asNmethod(code);
2509 }
2510
2511 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle))
2512 JVMCIObject code = JVMCIENV->wrap(code_handle);
2513 CodeBlob* cb = JVMCIENV->asCodeBlob(code);
2514 if (cb == NULL) {
2515 return NULL;
2516 }
2517 int code_size = cb->code_size();
2518 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
2519 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size);
2520 return JVMCIENV->get_jbyteArray(result);
2521 }
2522
2523 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
2524 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL);
2525 methodHandle m = JVMCIENV->asMethod(jvmci_method);
2526 oop executable;
2527 if (m->is_initializer()) {
2528 if (m->is_static_initializer()) {
2529 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2530 "Cannot create java.lang.reflect.Method for class initializer");
2531 }
2532 executable = Reflection::new_constructor(m, CHECK_NULL);
2533 } else {
2534 executable = Reflection::new_method(m, false, CHECK_NULL);
2535 }
2536 return JNIHandles::make_local(THREAD, executable);
2537 }
2538
2539 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
2540 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL);
2541 Klass* klass = JVMCIENV->asKlass(jvmci_type);
2542 if (!klass->is_instance_klass()) {
2543 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2544 err_msg("Expected non-primitive type, got %s", klass->external_name()));
2545 }
2546 InstanceKlass* iklass = InstanceKlass::cast(klass);
2547 Array<u2>* fields = iklass->fields();
2548 if (index < 0 ||index > fields->length()) {
2549 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2550 err_msg("Field index %d out of bounds for %s", index, klass->external_name()));
2551 }
2552 fieldDescriptor fd(iklass, index);
2553 oop reflected = Reflection::new_field(&fd, CHECK_NULL);
2554 return JNIHandles::make_local(env, reflected);
2555 }
2556
2557 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current))
2558 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address);
2559 int result_length = 0;
2560 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) {
2561 result_length++;
2562 }
2563 int current_length = 0;
2564 JVMCIObjectArray current_array = NULL;
2565 if (current != NULL) {
2566 current_array = JVMCIENV->wrap(current);
2567 current_length = JVMCIENV->get_length(current_array);
2568 if (current_length == result_length) {
2569 // No new failures
2570 return current;
2571 }
2572 }
2573 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL);
2574 int result_index = 0;
2575 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) {
2576 assert(fs != NULL, "npe");
2577 JVMCIPrimitiveArray entry;
2578 if (result_index < current_length) {
2579 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index);
2580 } else {
2581 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL);
2582 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len());
2583 }
2584 JVMCIENV->put_object_at(result, result_index++, entry);
2585 }
2586 return JVMCIENV->get_jobjectArray(result);
2587 }
2588
2589 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method))
2590 methodHandle method = JVMCIENV->asMethod(jvmci_method);
2591 MethodData* method_data = method->method_data();
2592 if (method_data == NULL) {
2593 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
2594 method_data = MethodData::allocate(loader_data, method, CHECK_0);
2595 method->set_method_data(method_data);
2596 }
2597 return (jlong) method_data->get_failed_speculations_address();
2598 }
2599
2600 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address))
2601 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address);
2602 }
2603
2604 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj))
2605 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj);
2606 int speculation_len = JVMCIENV->get_length(speculation_handle);
2607 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len);
2608 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len);
2609 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len);
2610 }
2611
2612 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status))
2613 JavaValue result(T_VOID);
2614 JavaCallArguments jargs(1);
2615 jargs.push_int(status);
2616 JavaCalls::call_static(&result,
2617 SystemDictionary::System_klass(),
2618 vmSymbols::exit_method_name(),
2619 vmSymbols::int_void_signature(),
2620 &jargs,
2621 CHECK);
2622 }
2623
2624 #define CC (char*) /*cast a literal from (const char*)*/
2625 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
2626
2627 #define STRING "Ljava/lang/String;"
2628 #define OBJECT "Ljava/lang/Object;"
2629 #define CLASS "Ljava/lang/Class;"
2630 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;"
2631 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;"
2632 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
2633 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
2634 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
2635 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
2636 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
2637 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;"
2638 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
2639 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
2640 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
2641 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
2642 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;"
2643 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;"
2644 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;"
2645 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;"
2646 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
2647 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
2648 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
2649 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
2650 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
2651 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
2652 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;"
2653 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;"
2654 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;"
2655 #define METASPACE_METHOD_DATA "J"
2656
2657 JNINativeMethod CompilerToVM::methods[] = {
2658 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
2659 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
2660 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
2661 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
2662 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
2663 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
2664 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
2665 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
2666 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
2667 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
2668 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
2669 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)},
2670 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)},
2671 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)},
2672 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
2673 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
2674 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
2675 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
2676 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
2677 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)},
2678 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
2679 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
2680 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)},
2681 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
2682 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
2683 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
2684 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
2685 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
2686 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
2687 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
2688 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
2689 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
2690 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
2691 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
2692 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
2693 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
2694 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
2695 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)},
2696 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
2697 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)},
2698 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
2699 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
2700 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
2701 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)},
2702 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
2703 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
2704 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
2705 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
2706 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)},
2707 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)},
2708 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
2709 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)},
2710 {CC "setCountersSize", CC "(I)V", FN_PTR(setCountersSize)},
2711 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
2712 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
2713 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
2714 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
2715 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
2716 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
2717 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
2718 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)},
2719 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
2720 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
2721 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
2722 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
2723 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
2724 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)},
2725 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
2726 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)},
2727 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)},
2728 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)},
2729 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)},
2730 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)},
2731 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)},
2732 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)},
2733 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)},
2734 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)},
2735 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)},
2736 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2737 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2738 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)},
2739 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)},
2740 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)},
2741 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)},
2742 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)},
2743 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)},
2744 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)},
2745 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)},
2746 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)},
2747 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)},
2748 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)},
2749 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)},
2750 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)},
2751 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)},
2752 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)},
2753 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)},
2754 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)},
2755 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)},
2756 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)},
2757 {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)},
2758 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)},
2759 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)},
2760 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)},
2761 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)},
2762 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)},
2763 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)},
2764 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)},
2765 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)},
2766 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)},
2767 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)},
2768 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)},
2769 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)},
2770 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)},
2771 };
2772
2773 int CompilerToVM::methods_count() {
2774 return sizeof(methods) / sizeof(JNINativeMethod);
2775 }