1 /*
2 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include "precompiled.hpp"
25 #include "classfile/classLoaderData.inline.hpp"
26 #include "classfile/javaClasses.inline.hpp"
27 #include "classfile/stringTable.hpp"
28 #include "classfile/symbolTable.hpp"
29 #include "code/scopeDesc.hpp"
30 #include "compiler/compileBroker.hpp"
31 #include "compiler/disassembler.hpp"
32 #include "interpreter/linkResolver.hpp"
33 #include "interpreter/bytecodeStream.hpp"
34 #include "jvmci/jvmciCompilerToVM.hpp"
35 #include "jvmci/jvmciCodeInstaller.hpp"
36 #include "jvmci/jvmciRuntime.hpp"
37 #include "logging/log.hpp"
38 #include "logging/logTag.hpp"
39 #include "memory/oopFactory.hpp"
40 #include "memory/universe.hpp"
41 #include "oops/constantPool.inline.hpp"
42 #include "oops/method.inline.hpp"
43 #include "oops/typeArrayOop.inline.hpp"
44 #include "prims/nativeLookup.hpp"
45 #include "runtime/deoptimization.hpp"
46 #include "runtime/fieldDescriptor.inline.hpp"
47 #include "runtime/frame.inline.hpp"
48 #include "runtime/interfaceSupport.inline.hpp"
49 #include "runtime/jniHandles.inline.hpp"
50 #include "runtime/timerTrace.hpp"
51 #include "runtime/vframe_hp.hpp"
52
53 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
54 _thread = thread;
55 _klass = klass;
56 if (klass != NULL) {
57 _holder = Handle(_thread, klass->klass_holder());
58 }
59 }
60
61 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
62 _klass = klass;
63 if (klass != NULL) {
64 _holder = Handle(_thread, klass->klass_holder());
65 }
66 return *this;
67 }
68
69 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) {
70 if (!JVMCIENV->is_hotspot()) {
71 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller));
72 }
73 }
74
75 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) {
76 if (thread != NULL) {
77 // Allocate a new block for JNI handles.
78 // Inlined code from jni_PushLocalFrame()
79 JNIHandleBlock* java_handles = thread->active_handles();
80 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
81 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
82 compile_handles->set_pop_frame_link(java_handles);
83 thread->set_active_handles(compile_handles);
84 }
85 }
86
87 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) {
88 if (thread != NULL) {
89 // Release our JNI handle block
90 JNIHandleBlock* compile_handles = thread->active_handles();
91 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
92 thread->set_active_handles(java_handles);
93 compile_handles->set_pop_frame_link(NULL);
94 JNIHandleBlock::release_block(compile_handles, thread); // may block
95 }
96 }
97
98 class JVMCITraceMark : public StackObj {
99 const char* _msg;
100 public:
101 JVMCITraceMark(const char* msg) {
102 _msg = msg;
103 if (JVMCITraceLevel >= 1) {
104 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg);
105 }
106 }
107 ~JVMCITraceMark() {
108 if (JVMCITraceLevel >= 1) {
109 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg);
110 }
111 }
112 };
113
114
115 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
116 assert(_index < _args->length(), "out of bounds");
117 oop arg=((objArrayOop) (_args))->obj_at(_index++);
118 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
119 return Handle(Thread::current(), arg);
120 }
121
122 // Bring the JVMCI compiler thread into the VM state.
123 #define JVMCI_VM_ENTRY_MARK \
124 ThreadInVMfromNative __tiv(thread); \
125 ResetNoHandleMark rnhm; \
126 HandleMarkCleaner __hm(thread); \
127 Thread* THREAD = thread; \
128 debug_only(VMNativeEntryWrapper __vew;)
129
130 // Native method block that transitions current thread to '_thread_in_vm'.
131 #define C2V_BLOCK(result_type, name, signature) \
132 TRACE_CALL(result_type, jvmci_ ## name signature) \
133 JVMCI_VM_ENTRY_MARK; \
134 ResourceMark rm; \
135 JNI_JVMCIENV(thread, env);
136
137 static Thread* get_current_thread() {
138 return Thread::current_or_null_safe();
139 }
140
141 // Entry to native method implementation that transitions
142 // current thread to '_thread_in_vm'.
143 #define C2V_VMENTRY(result_type, name, signature) \
144 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
145 Thread* base_thread = get_current_thread(); \
146 if (base_thread == NULL) { \
147 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
148 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
149 return; \
150 } \
151 assert(base_thread->is_Java_thread(), "just checking");\
152 JavaThread* thread = (JavaThread*) base_thread; \
153 JVMCITraceMark jtm("CompilerToVM::" #name); \
154 C2V_BLOCK(result_type, name, signature)
155
156 #define C2V_VMENTRY_(result_type, name, signature, result) \
157 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
158 Thread* base_thread = get_current_thread(); \
159 if (base_thread == NULL) { \
160 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
161 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
162 return result; \
163 } \
164 assert(base_thread->is_Java_thread(), "just checking");\
165 JavaThread* thread = (JavaThread*) base_thread; \
166 JVMCITraceMark jtm("CompilerToVM::" #name); \
167 C2V_BLOCK(result_type, name, signature)
168
169 #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL)
170 #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0)
171
172 // Entry to native method implementation that does not transition
173 // current thread to '_thread_in_vm'.
174 #define C2V_VMENTRY_PREFIX(result_type, name, signature) \
175 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
176 Thread* base_thread = get_current_thread();
177
178 #define C2V_END }
179
180 #define JNI_THROW(caller, name, msg) do { \
181 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
182 if (__throw_res != JNI_OK) { \
183 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
184 } \
185 return; \
186 } while (0);
187
188 #define JNI_THROW_(caller, name, msg, result) do { \
189 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
190 if (__throw_res != JNI_OK) { \
191 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
192 } \
193 return result; \
194 } while (0)
195
196 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS);
197
198 C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env))
199 jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL);
200 return config;
201 }
202
203 C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle))
204 #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();
205 #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();
206 JVMCIObject name = JVMCIENV->wrap(name_handle);
207 if (name.is_null()) {
208 JVMCI_THROW_NULL(NullPointerException);
209 }
210 const char* cstring = JVMCIENV->as_utf8_string(name);
211 const JVMFlag* flag = JVMFlag::find_declared_flag(cstring);
212 if (flag == NULL) {
213 return c2vm;
214 }
215 if (flag->is_bool()) {
216 jvalue prim;
217 prim.z = flag->get_bool();
218 JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
219 return JVMCIENV->get_jobject(box);
220 } else if (flag->is_ccstr()) {
221 JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL);
222 return JVMCIENV->get_jobject(value);
223 } else if (flag->is_intx()) {
224 RETURN_BOXED_LONG(flag->get_intx());
225 } else if (flag->is_int()) {
226 RETURN_BOXED_LONG(flag->get_int());
227 } else if (flag->is_uint()) {
228 RETURN_BOXED_LONG(flag->get_uint());
229 } else if (flag->is_uint64_t()) {
230 RETURN_BOXED_LONG(flag->get_uint64_t());
231 } else if (flag->is_size_t()) {
232 RETURN_BOXED_LONG(flag->get_size_t());
233 } else if (flag->is_uintx()) {
234 RETURN_BOXED_LONG(flag->get_uintx());
235 } else if (flag->is_double()) {
236 RETURN_BOXED_DOUBLE(flag->get_double());
237 } else {
238 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
239 }
240 #undef RETURN_BOXED_LONG
241 #undef RETURN_BOXED_DOUBLE
242 C2V_END
243
244 C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address))
245 requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL);
246 if (oop_address == 0) {
247 JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero");
248 }
249 oop obj = *((oopDesc**) oop_address);
250 if (obj != NULL) {
251 oopDesc::verify(obj);
252 }
253 return JNIHandles::make_local(obj);
254 C2V_END
255
256 C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method))
257 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
258
259 int code_size = method->code_size();
260 jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size);
261
262 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
263 // iterate over all bytecodes and replace non-Java bytecodes
264
265 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
266 Bytecodes::Code code = s.code();
267 Bytecodes::Code raw_code = s.raw_code();
268 int bci = s.bci();
269 int len = s.instruction_size();
270
271 // Restore original byte code.
272 reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code);
273 if (len > 1) {
274 memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1);
275 }
276
277 if (len > 1) {
278 // Restore the big-endian constant pool indexes.
279 // Cf. Rewriter::scan_method
280 switch (code) {
281 case Bytecodes::_getstatic:
282 case Bytecodes::_putstatic:
283 case Bytecodes::_getfield:
284 case Bytecodes::_putfield:
285 case Bytecodes::_invokevirtual:
286 case Bytecodes::_invokespecial:
287 case Bytecodes::_invokestatic:
288 case Bytecodes::_invokeinterface:
289 case Bytecodes::_invokehandle: {
290 int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
291 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
292 break;
293 }
294
295 case Bytecodes::_invokedynamic: {
296 int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1));
297 Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index);
298 break;
299 }
300
301 default:
302 break;
303 }
304
305 // Not all ldc byte code are rewritten.
306 switch (raw_code) {
307 case Bytecodes::_fast_aldc: {
308 int cpc_index = reconstituted_code[bci + 1] & 0xff;
309 int cp_index = method->constants()->object_to_cp_index(cpc_index);
310 assert(cp_index < method->constants()->length(), "sanity check");
311 reconstituted_code[bci + 1] = (jbyte) cp_index;
312 break;
313 }
314
315 case Bytecodes::_fast_aldc_w: {
316 int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
317 int cp_index = method->constants()->object_to_cp_index(cpc_index);
318 assert(cp_index < method->constants()->length(), "sanity check");
319 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
320 break;
321 }
322
323 default:
324 break;
325 }
326 }
327 }
328
329 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
330 JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size);
331 return JVMCIENV->get_jbyteArray(result);
332 C2V_END
333
334 C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
335 Method* method = JVMCIENV->asMethod(jvmci_method);
336 return method->exception_table_length();
337 C2V_END
338
339 C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
340 Method* method = JVMCIENV->asMethod(jvmci_method);
341 if (method->exception_table_length() == 0) {
342 return 0L;
343 }
344 return (jlong) (address) method->exception_table_start();
345 C2V_END
346
347 C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle))
348 requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL);
349 oop executable = JNIHandles::resolve(executable_handle);
350 oop mirror = NULL;
351 int slot = 0;
352
353 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
354 mirror = java_lang_reflect_Constructor::clazz(executable);
355 slot = java_lang_reflect_Constructor::slot(executable);
356 } else {
357 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
358 mirror = java_lang_reflect_Method::clazz(executable);
359 slot = java_lang_reflect_Method::slot(executable);
360 }
361 Klass* holder = java_lang_Class::as_Klass(mirror);
362 methodHandle method (THREAD, InstanceKlass::cast(holder)->method_with_idnum(slot));
363 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
364 return JVMCIENV->get_jobject(result);
365 }
366
367 C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset))
368 Method* method;
369 JVMCIObject base_object = JVMCIENV->wrap(base);
370 if (base_object.is_null()) {
371 method = *((Method**)(offset));
372 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
373 Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
374 if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) {
375 method = (Method*) (intptr_t) obj->long_field(offset);
376 } else {
377 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name()));
378 }
379 } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
380 method = JVMCIENV->asMethod(base_object);
381 }
382 if (method == NULL) {
383 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
384 }
385 assert (method->is_method(), "invalid read");
386 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, method), JVMCI_CHECK_NULL);
387 return JVMCIENV->get_jobject(result);
388 }
389
390 C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle))
391 ConstantPool* cp = NULL;
392 JVMCIObject object = JVMCIENV->wrap(object_handle);
393 if (object.is_null()) {
394 JVMCI_THROW_NULL(NullPointerException);
395 }
396 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) {
397 cp = JVMCIENV->asMethod(object)->constMethod()->constants();
398 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) {
399 cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants();
400 } else {
401 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
402 err_msg("Unexpected type: %s", JVMCIENV->klass_name(object)));
403 }
404 assert(cp != NULL, "npe");
405
406 JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(constantPoolHandle(THREAD, cp), JVMCI_CHECK_NULL);
407 return JVMCIENV->get_jobject(result);
408 }
409
410 C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed))
411 JVMCIKlassHandle klass(THREAD);
412 JVMCIObject base_object = JVMCIENV->wrap(base);
413 jlong base_address = 0;
414 if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) {
415 // klass = JVMCIENV->unhandle(base_object)->klass();
416 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
417 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
418 klass = base_oop->klass();
419 } else {
420 assert(false, "What types are we actually expecting here?");
421 }
422 } else if (!compressed) {
423 if (base_object.is_non_null()) {
424 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
425 base_address = (intptr_t) JVMCIENV->asMethod(base_object);
426 } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) {
427 base_address = (intptr_t) JVMCIENV->asConstantPool(base_object);
428 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
429 base_address = (intptr_t) JVMCIENV->asKlass(base_object);
430 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
431 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
432 if (base_oop->is_a(SystemDictionary::Class_klass())) {
433 base_address = (jlong) (address) base_oop();
434 }
435 }
436 if (base_address == 0) {
437 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
438 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false"));
439 }
440 }
441 klass = *((Klass**) (intptr_t) (base_address + offset));
442 } else {
443 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
444 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
445 base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null",
446 offset, compressed ? "true" : "false"));
447 }
448 assert (klass == NULL || klass->is_klass(), "invalid read");
449 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
450 return JVMCIENV->get_jobject(result);
451 }
452
453 C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
454 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
455 Klass* holder = JVMCIENV->asKlass(jvmci_type);
456 if (holder->is_interface()) {
457 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name()));
458 }
459 if (method->can_be_statically_bound()) {
460 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()));
461 }
462
463 methodHandle ucm;
464 {
465 MutexLocker locker(Compile_lock);
466 ucm = methodHandle(THREAD, Dependencies::find_unique_concrete_method(holder, method()));
467 }
468 JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL);
469 return JVMCIENV->get_jobject(result);
470 C2V_END
471
472 C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type))
473 Klass* klass = JVMCIENV->asKlass(jvmci_type);
474 if (!klass->is_interface()) {
475 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
476 err_msg("Expected interface type, got %s", klass->external_name()));
477 }
478 InstanceKlass* iklass = InstanceKlass::cast(klass);
479 JVMCIKlassHandle handle(THREAD);
480 {
481 // Need Compile_lock around implementor()
482 MutexLocker locker(Compile_lock);
483 handle = iklass->implementor();
484 }
485 JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
486 return JVMCIENV->get_jobject(implementor);
487 C2V_END
488
489 C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method))
490 Method* method = JVMCIENV->asMethod(jvmci_method);
491 return method->is_ignored_by_security_stack_walk();
492 C2V_END
493
494 C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
495 Method* method = JVMCIENV->asMethod(jvmci_method);
496 ConstantPool* cp = method->constMethod()->constants();
497 assert(cp != NULL, "npe");
498 // don't inline method when constant pool contains a CONSTANT_Dynamic
499 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
500 C2V_END
501
502 C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method))
503 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
504 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
505 C2V_END
506
507 C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method))
508 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
509 return CompilerOracle::should_inline(method) || method->force_inline();
510 C2V_END
511
512 C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve))
513 JVMCIObject name = JVMCIENV->wrap(jname);
514 const char* str = JVMCIENV->as_utf8_string(name);
515 TempNewSymbol class_name = SymbolTable::new_symbol(str);
516
517 if (class_name->utf8_length() <= 1) {
518 JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
519 }
520
521 JVMCIKlassHandle resolved_klass(THREAD);
522 Klass* accessing_klass = NULL;
523 Handle class_loader;
524 Handle protection_domain;
525 if (accessing_class != NULL) {
526 accessing_klass = JVMCIENV->asKlass(accessing_class);
527 class_loader = Handle(THREAD, accessing_klass->class_loader());
528 protection_domain = Handle(THREAD, accessing_klass->protection_domain());
529 } else {
530 // Use the System class loader
531 class_loader = Handle(THREAD, SystemDictionary::java_system_loader());
532 JVMCIENV->runtime()->initialize(JVMCIENV);
533 }
534
535 if (resolve) {
536 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
537 if (resolved_klass == NULL) {
538 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str);
539 }
540 } else {
541 if (class_name->char_at(0) == JVM_SIGNATURE_CLASS &&
542 class_name->char_at(class_name->utf8_length()-1) == JVM_SIGNATURE_ENDCLASS) {
543 // This is a name from a signature. Strip off the trimmings.
544 // Call recursive to keep scope of strippedsym.
545 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
546 class_name->utf8_length()-2);
547 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
548 } else if (FieldType::is_array(class_name)) {
549 FieldArrayInfo fd;
550 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
551 // of this call
552 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
553 if (t == T_OBJECT) {
554 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
555 class_name->utf8_length()-2-fd.dimension());
556 resolved_klass = SystemDictionary::find(strippedsym,
557 class_loader,
558 protection_domain,
559 CHECK_0);
560 if (!resolved_klass.is_null()) {
561 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
562 }
563 } else {
564 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0);
565 }
566 } else {
567 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_0);
568 }
569 }
570 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
571 return JVMCIENV->get_jobject(result);
572 C2V_END
573
574 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type))
575 if (jvmci_type == NULL) {
576 JVMCI_THROW_0(NullPointerException);
577 }
578
579 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type);
580 JVMCIKlassHandle array_klass(THREAD);
581 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) {
582 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0);
583 if (type == T_VOID) {
584 return NULL;
585 }
586 array_klass = Universe::typeArrayKlassObj(type);
587 if (array_klass == NULL) {
588 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type)));
589 }
590 } else {
591 Klass* klass = JVMCIENV->asKlass(jvmci_type);
592 if (klass == NULL) {
593 JVMCI_THROW_0(NullPointerException);
594 }
595 array_klass = klass->array_klass(CHECK_NULL);
596 }
597 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL);
598 return JVMCIENV->get_jobject(result);
599 C2V_END
600
601 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror))
602 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL);
603 if (mirror == NULL) {
604 return NULL;
605 }
606 JVMCIKlassHandle klass(THREAD);
607 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
608 if (klass == NULL) {
609 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported");
610 }
611 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
612 return JVMCIENV->get_jobject(result);
613 }
614
615 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
616 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
617 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
618 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result));
619 C2V_END
620
621 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
622 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
623 return cp->name_and_type_ref_index_at(index);
624 C2V_END
625
626 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
627 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
628 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL);
629 return JVMCIENV->get_jobject(sym);
630 C2V_END
631
632 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
633 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
634 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL);
635 return JVMCIENV->get_jobject(sym);
636 C2V_END
637
638 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
639 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
640 return cp->klass_ref_index_at(index);
641 C2V_END
642
643 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
644 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
645 Klass* klass = cp->klass_at(index, CHECK_NULL);
646 JVMCIKlassHandle resolved_klass(THREAD, klass);
647 if (resolved_klass->is_instance_klass()) {
648 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL);
649 if (!InstanceKlass::cast(resolved_klass())->is_linked()) {
650 // link_class() should not return here if there is an issue.
651 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name()));
652 }
653 }
654 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
655 return JVMCIENV->get_jobject(klassObject);
656 C2V_END
657
658 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
659 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
660 Klass* loading_klass = cp->pool_holder();
661 bool is_accessible = false;
662 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass));
663 Symbol* symbol = NULL;
664 if (klass.is_null()) {
665 constantTag tag = cp->tag_at(index);
666 if (tag.is_klass()) {
667 // The klass has been inserted into the constant pool
668 // very recently.
669 klass = cp->resolved_klass_at(index);
670 } else if (tag.is_symbol()) {
671 symbol = cp->symbol_at(index);
672 } else {
673 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag");
674 symbol = cp->klass_name_at(index);
675 }
676 }
677 JVMCIObject result;
678 if (!klass.is_null()) {
679 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
680 } else {
681 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL);
682 }
683 return JVMCIENV->get_jobject(result);
684 C2V_END
685
686 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
687 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
688 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
689 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop));
690 C2V_END
691
692 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
693 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
694 InstanceKlass* pool_holder = cp->pool_holder();
695 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
696 methodHandle method(THREAD, JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder));
697 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
698 return JVMCIENV->get_jobject(result);
699 C2V_END
700
701 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
702 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
703 return cp->remap_instruction_operand_from_cache(index);
704 C2V_END
705
706 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
707 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
708 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
709 fieldDescriptor fd;
710 methodHandle mh(THREAD, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL);
711 LinkInfo link_info(cp, index, mh, CHECK_0);
712 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
713 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle);
714 if (info.is_null() || JVMCIENV->get_length(info) != 3) {
715 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
716 }
717 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int());
718 JVMCIENV->put_int_at(info, 1, fd.offset());
719 JVMCIENV->put_int_at(info, 2, fd.index());
720 JVMCIKlassHandle handle(THREAD, fd.field_holder());
721 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
722 return JVMCIENV->get_jobject(field_holder);
723 C2V_END
724
725 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
726 Klass* klass = JVMCIENV->asKlass(jvmci_type);
727 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
728 if (klass->is_interface()) {
729 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name()));
730 }
731 if (!method->method_holder()->is_interface()) {
732 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()));
733 }
734 if (!klass->is_instance_klass()) {
735 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
736 }
737 if (!InstanceKlass::cast(klass)->is_linked()) {
738 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name()));
739 }
740 return LinkResolver::vtable_index_of_interface_method(klass, method);
741 C2V_END
742
743 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
744 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type);
745 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type);
746 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
747
748 Klass* resolved = method->method_holder();
749 Symbol* h_name = method->name();
750 Symbol* h_signature = method->signature();
751
752 if (MethodHandles::is_signature_polymorphic_method(method())) {
753 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
754 return NULL;
755 }
756
757 if (method->name() == vmSymbols::clone_name() &&
758 resolved == SystemDictionary::Object_klass() &&
759 recv_klass->is_array_klass()) {
760 // Resolution of the clone method on arrays always returns Object.clone even though that method
761 // has protected access. There's some trickery in the access checking to make this all work out
762 // so it's necessary to pass in the array class as the resolved class to properly trigger this.
763 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See
764 // LinkResolver::check_method_accessability for the matching logic.
765 resolved = recv_klass;
766 }
767
768 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
769 Method* m = NULL;
770 // Only do exact lookup if receiver klass has been linked. Otherwise,
771 // the vtable has not been setup, and the LinkResolver will fail.
772 if (recv_klass->is_array_klass() ||
773 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
774 if (resolved->is_interface()) {
775 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
776 } else {
777 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
778 }
779 }
780
781 if (m == NULL) {
782 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
783 return NULL;
784 }
785
786 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, m), JVMCI_CHECK_NULL);
787 return JVMCIENV->get_jobject(result);
788 C2V_END
789
790 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type))
791 Klass* klass = JVMCIENV->asKlass(jvmci_type);
792 assert(klass != NULL, "method must not be called for primitive types");
793 return Dependencies::find_finalizable_subclass(klass) != NULL;
794 C2V_END
795
796 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type))
797 Klass* klass = JVMCIENV->asKlass(jvmci_type);
798 if (!klass->is_instance_klass()) {
799 return NULL;
800 }
801 InstanceKlass* iklass = InstanceKlass::cast(klass);
802 methodHandle clinit(THREAD, iklass->class_initializer());
803 JVMCIObject result = JVMCIENV->get_jvmci_method(clinit, JVMCI_CHECK_NULL);
804 return JVMCIENV->get_jobject(result);
805 C2V_END
806
807 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr))
808 address target_addr = (address) addr;
809 if (target_addr != 0x0) {
810 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
811 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
812 return MAX2(ABS(off_low), ABS(off_high));
813 }
814 return -1;
815 C2V_END
816
817 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
818 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
819 method->set_not_c1_compilable();
820 method->set_not_c2_compilable();
821 method->set_dont_inline(true);
822 C2V_END
823
824 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code,
825 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj))
826 HandleMark hm;
827 JNIHandleMark jni_hm(thread);
828
829 JVMCIObject target_handle = JVMCIENV->wrap(target);
830 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
831 CodeBlob* cb = NULL;
832 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code);
833 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj);
834
835 int speculations_len = JVMCIENV->get_length(speculations_handle);
836 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len);
837 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len);
838
839 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
840
841 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
842 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0;
843
844 CodeInstaller installer(JVMCIENV, is_immutable_PIC);
845 JVMCI::CodeInstallResult result = installer.install(compiler,
846 target_handle,
847 compiled_code_handle,
848 cb,
849 installed_code_handle,
850 (FailedSpeculation**)(address) failed_speculations_address,
851 speculations,
852 speculations_len,
853 JVMCI_CHECK_0);
854
855 if (PrintCodeCacheOnCompilation) {
856 stringStream s;
857 // Dump code cache into a buffer before locking the tty,
858 {
859 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
860 CodeCache::print_summary(&s, false);
861 }
862 ttyLocker ttyl;
863 tty->print_raw_cr(s.as_string());
864 }
865
866 if (result != JVMCI::ok) {
867 assert(cb == NULL, "should be");
868 } else {
869 if (installed_code_handle.is_non_null()) {
870 if (cb->is_nmethod()) {
871 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type");
872 // Clear the link to an old nmethod first
873 JVMCIObject nmethod_mirror = installed_code_handle;
874 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0);
875 } else {
876 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type");
877 }
878 // Initialize the link to the new code blob
879 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0);
880 }
881 }
882 return result;
883 C2V_END
884
885 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata))
886 #if INCLUDE_AOT
887 HandleMark hm;
888 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode");
889
890 JVMCIObject target_handle = JVMCIENV->wrap(target);
891 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
892 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata);
893
894 CodeMetadata code_metadata;
895
896 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */);
897 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0);
898 if (result != JVMCI::ok) {
899 return result;
900 }
901
902 if (code_metadata.get_nr_pc_desc() > 0) {
903 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc();
904 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
905 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size);
906 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array);
907 }
908
909 if (code_metadata.get_scopes_size() > 0) {
910 int size = code_metadata.get_scopes_size();
911 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
912 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size);
913 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array);
914 }
915
916 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
917 int size = (int) reloc_buffer->size();
918 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
919 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size);
920 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array);
921
922 const OopMapSet* oopMapSet = installer.oopMapSet();
923 {
924 ResourceMark mark;
925 ImmutableOopMapBuilder builder(oopMapSet);
926 int size = builder.heap_size();
927 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
928 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0));
929 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array);
930 }
931
932 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
933
934 int nr_meta_refs = recorder->nr_meta_refs();
935 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full));
936 for (int i = 0; i < nr_meta_refs; ++i) {
937 jobject element = recorder->meta_element(i);
938 if (element == NULL) {
939 return JVMCI::cache_full;
940 }
941 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element));
942 }
943 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray);
944
945 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
946 int table_size = handler->size_in_bytes();
947 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full));
948 if (table_size > 0) {
949 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0));
950 }
951 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray);
952
953 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table();
954 int implicit_table_size = implicit->size_in_bytes();
955 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full));
956 if (implicit_table_size > 0) {
957 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size);
958 }
959 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray);
960
961 return result;
962 #else
963 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
964 #endif
965 C2V_END
966
967 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject))
968 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
969 CompilerStatistics* stats = compiler->stats();
970 stats->_standard.reset();
971 stats->_osr.reset();
972 C2V_END
973
974 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode))
975 HandleMark hm;
976
977 if (installedCode == NULL) {
978 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null");
979 }
980
981 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode);
982 CodeBlob* cb = JVMCIENV->asCodeBlob(installedCodeObject);
983 if (cb == NULL) {
984 return NULL;
985 }
986
987 // We don't want the stringStream buffer to resize during disassembly as it
988 // uses scoped resource memory. If a nested function called during disassembly uses
989 // a ResourceMark and the buffer expands within the scope of the mark,
990 // the buffer becomes garbage when that scope is exited. Experience shows that
991 // the disassembled code is typically about 10x the code size so a fixed buffer
992 // sized to 20x code size plus a fixed amount for header info should be sufficient.
993 int bufferSize = cb->code_size() * 20 + 1024;
994 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
995 stringStream st(buffer, bufferSize);
996 if (cb->is_nmethod()) {
997 nmethod* nm = (nmethod*) cb;
998 if (!nm->is_alive()) {
999 return NULL;
1000 }
1001 }
1002 Disassembler::decode(cb, &st);
1003 if (st.size() <= 0) {
1004 return NULL;
1005 }
1006
1007 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL);
1008 return JVMCIENV->get_jobject(result);
1009 C2V_END
1010
1011 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci))
1012 HandleMark hm;
1013
1014 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1015 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL);
1016 return JVMCIENV->get_jobject(element);
1017 C2V_END
1018
1019 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod))
1020 // The incoming arguments array would have to contain JavaConstants instead of regular objects
1021 // and the return value would have to be wrapped as a JavaConstant.
1022 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL);
1023
1024 HandleMark hm;
1025
1026 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1027 nmethod* nm = JVMCIENV->asNmethod(nmethod_mirror);
1028 if (nm == NULL) {
1029 JVMCI_THROW_NULL(InvalidInstalledCodeException);
1030 }
1031 methodHandle mh(THREAD, nm->method());
1032 Symbol* signature = mh->signature();
1033 JavaCallArguments jca(mh->size_of_parameters());
1034
1035 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1036 JavaValue result(jap.get_ret_type());
1037 jca.set_alternative_target(nm);
1038 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1039
1040 if (jap.get_ret_type() == T_VOID) {
1041 return NULL;
1042 } else if (is_reference_type(jap.get_ret_type())) {
1043 return JNIHandles::make_local((oop) result.get_jobject());
1044 } else {
1045 jvalue *value = (jvalue *) result.get_value_addr();
1046 // Narrow the value down if required (Important on big endian machines)
1047 switch (jap.get_ret_type()) {
1048 case T_BOOLEAN:
1049 value->z = (jboolean) value->i;
1050 break;
1051 case T_BYTE:
1052 value->b = (jbyte) value->i;
1053 break;
1054 case T_CHAR:
1055 value->c = (jchar) value->i;
1056 break;
1057 case T_SHORT:
1058 value->s = (jshort) value->i;
1059 break;
1060 default:
1061 break;
1062 }
1063 JVMCIObject o = JVMCIENV->create_box(jap.get_ret_type(), value, JVMCI_CHECK_NULL);
1064 return JVMCIENV->get_jobject(o);
1065 }
1066 C2V_END
1067
1068 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method))
1069 Method* method = JVMCIENV->asMethod(jvmci_method);
1070 if (!method->has_linenumber_table()) {
1071 return NULL;
1072 }
1073 u2 num_entries = 0;
1074 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1075 while (streamForSize.read_pair()) {
1076 num_entries++;
1077 }
1078
1079 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1080 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL);
1081
1082 int i = 0;
1083 jlong value;
1084 while (stream.read_pair()) {
1085 value = ((long) stream.bci());
1086 JVMCIENV->put_long_at(result, i, value);
1087 value = ((long) stream.line());
1088 JVMCIENV->put_long_at(result, i + 1, value);
1089 i += 2;
1090 }
1091
1092 return (jlongArray) JVMCIENV->get_jobject(result);
1093 C2V_END
1094
1095 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
1096 Method* method = JVMCIENV->asMethod(jvmci_method);
1097 if (!method->has_localvariable_table()) {
1098 return 0;
1099 }
1100 return (jlong) (address) method->localvariable_table_start();
1101 C2V_END
1102
1103 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
1104 Method* method = JVMCIENV->asMethod(jvmci_method);
1105 return method->localvariable_table_length();
1106 C2V_END
1107
1108 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method))
1109 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1110 MethodCounters* mcs = method->method_counters();
1111 if (mcs != NULL) {
1112 mcs->clear_counters();
1113 }
1114 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1115
1116 CompiledMethod* code = method->code();
1117 if (code != NULL) {
1118 code->make_not_entrant();
1119 }
1120
1121 MethodData* method_data = method->method_data();
1122 if (method_data == NULL) {
1123 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1124 method_data = MethodData::allocate(loader_data, method, CHECK);
1125 method->set_method_data(method_data);
1126 } else {
1127 method_data->initialize();
1128 }
1129 C2V_END
1130
1131
1132 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod))
1133 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1134 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK);
1135 C2V_END
1136
1137 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr))
1138 oop ret = RawAccess<>::oop_load((oop*)(address)addr);
1139 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret));
1140 C2V_END
1141
1142 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject))
1143 // Returns a zero length array if counters aren't enabled
1144 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL);
1145 if (JVMCICounterSize > 0) {
1146 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize);
1147 JavaThread::collect_counters(temp_array, JVMCICounterSize);
1148 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize);
1149 }
1150 return (jlongArray) JVMCIENV->get_jobject(array);
1151 C2V_END
1152
1153 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject))
1154 return (jint) JVMCICounterSize;
1155 C2V_END
1156
1157 C2V_VMENTRY(void, setCountersSize, (JNIEnv* env, jobject, jint new_size))
1158 JavaThread::resize_all_jvmci_counters(new_size);
1159 C2V_END
1160
1161 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci))
1162 HandleMark hm;
1163 if (jvmci_method == NULL) {
1164 JVMCI_THROW_0(NullPointerException);
1165 }
1166 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1167 if (entry_bci >= method->code_size() || entry_bci < -1) {
1168 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci));
1169 }
1170 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1171 C2V_END
1172
1173
1174 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data))
1175 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1176 return mdo != NULL && mdo->is_mature();
1177 C2V_END
1178
1179 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1180 Method* method = JVMCIENV->asMethod(jvmci_method);
1181 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1182 C2V_END
1183
1184 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol))
1185 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL);
1186 return JVMCIENV->get_jobject(sym);
1187 C2V_END
1188
1189 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) {
1190 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1191
1192 for (int i = 0; i < methods_oop->length(); i++) {
1193 oop resolved = methods_oop->obj_at(i);
1194 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) {
1195 return true;
1196 }
1197 }
1198 return false;
1199 }
1200
1201 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
1202 CallInfo callinfo;
1203 Handle receiver = args->receiver();
1204 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
1205 LinkInfo link_info(spec_klass, name, signature);
1206 LinkResolver::resolve_interface_call(
1207 callinfo, receiver, recvrKlass, link_info, true, CHECK);
1208 methodHandle method(THREAD, callinfo.selected_method());
1209 assert(method.not_null(), "should have thrown exception");
1210
1211 // Invoke the method
1212 JavaCalls::call(result, method, args, CHECK);
1213 }
1214
1215 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
1216
1217 if (!thread->has_last_Java_frame()) {
1218 return NULL;
1219 }
1220 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
1221
1222 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL);
1223
1224 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1225 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1226
1227 StackFrameStream fst(thread);
1228 jobjectArray methods = initial_methods;
1229
1230 int frame_number = 0;
1231 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1232
1233 while (true) {
1234 // look for the given method
1235 bool realloc_called = false;
1236 while (true) {
1237 StackValueCollection* locals = NULL;
1238 if (vf->is_compiled_frame()) {
1239 // compiled method frame
1240 compiledVFrame* cvf = compiledVFrame::cast(vf);
1241 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) {
1242 if (initialSkip > 0) {
1243 initialSkip--;
1244 } else {
1245 ScopeDesc* scope = cvf->scope();
1246 // native wrappers do not have a scope
1247 if (scope != NULL && scope->objects() != NULL) {
1248 GrowableArray<ScopeValue*>* objects;
1249 if (!realloc_called) {
1250 objects = scope->objects();
1251 } else {
1252 // some object might already have been re-allocated, only reallocate the non-allocated ones
1253 objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
1254 for (int i = 0; i < scope->objects()->length(); i++) {
1255 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
1256 if (sv->value().is_null()) {
1257 objects->append(sv);
1258 }
1259 }
1260 }
1261 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL);
1262 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
1263 realloc_called = true;
1264
1265 GrowableArray<ScopeValue*>* local_values = scope->locals();
1266 assert(local_values != NULL, "NULL locals");
1267 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1268 typeArrayHandle array(THREAD, array_oop);
1269 for (int i = 0; i < local_values->length(); i++) {
1270 ScopeValue* value = local_values->at(i);
1271 if (value->is_object()) {
1272 array->bool_at_put(i, true);
1273 }
1274 }
1275 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array());
1276 } else {
1277 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1278 }
1279
1280 locals = cvf->locals();
1281 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci());
1282 methodHandle mh(THREAD, cvf->method());
1283 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1284 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1285 }
1286 }
1287 } else if (vf->is_interpreted_frame()) {
1288 // interpreted method frame
1289 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1290 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) {
1291 if (initialSkip > 0) {
1292 initialSkip--;
1293 } else {
1294 locals = ivf->locals();
1295 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci());
1296 methodHandle mh(THREAD, ivf->method());
1297 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1298 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1299 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1300 }
1301 }
1302 }
1303
1304 // locals != NULL means that we found a matching frame and result is already partially initialized
1305 if (locals != NULL) {
1306 methods = match_methods;
1307 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM));
1308 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp());
1309 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number);
1310
1311 // initialize the locals array
1312 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1313 objArrayHandle array(THREAD, array_oop);
1314 for (int i = 0; i < locals->size(); i++) {
1315 StackValue* var = locals->at(i);
1316 if (var->type() == T_OBJECT) {
1317 array->obj_at_put(i, locals->at(i)->get_obj()());
1318 }
1319 }
1320 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array());
1321 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE);
1322
1323 JavaValue result(T_OBJECT);
1324 JavaCallArguments args(visitor);
1325 args.push_oop(frame_reference);
1326 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
1327 if (result.get_jobject() != NULL) {
1328 return JNIHandles::make_local(thread, (oop) result.get_jobject());
1329 }
1330 assert(initialSkip == 0, "There should be no match before initialSkip == 0");
1331 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) {
1332 // the frame has been deoptimized, we need to re-synchronize the frame and vframe
1333 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference());
1334 fst = StackFrameStream(thread);
1335 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1336 fst.next();
1337 }
1338 if (fst.current()->sp() != stack_pointer) {
1339 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1340 }
1341 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1342 if (!vf->is_compiled_frame()) {
1343 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1344 }
1345 for (int i = 0; i < frame_number; i++) {
1346 if (vf->is_top()) {
1347 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
1348 }
1349 vf = vf->sender();
1350 assert(vf->is_compiled_frame(), "Wrong frame type");
1351 }
1352 }
1353 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1354 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1355 }
1356
1357 if (vf->is_top()) {
1358 break;
1359 }
1360 frame_number++;
1361 vf = vf->sender();
1362 } // end of vframe loop
1363
1364 if (fst.is_done()) {
1365 break;
1366 }
1367 fst.next();
1368 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1369 frame_number = 0;
1370 } // end of frame loop
1371
1372 // the end was reached without finding a matching method
1373 return NULL;
1374 C2V_END
1375
1376 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1377 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1378 CallInfo callInfo;
1379 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1380 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1381 cp_cache_entry->set_dynamic_call(cp, callInfo);
1382 C2V_END
1383
1384 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1385 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1386 Klass* holder = cp->klass_ref_at(index, CHECK);
1387 Symbol* name = cp->name_ref_at(index);
1388 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1389 CallInfo callInfo;
1390 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1391 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1392 cp_cache_entry->set_method_handle(cp, callInfo);
1393 }
1394 C2V_END
1395
1396 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1397 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1398 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1399 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1400 // MethodHandle.invoke* --> LambdaForm?
1401 ResourceMark rm;
1402
1403 LinkInfo link_info(cp, index, CATCH);
1404
1405 Klass* resolved_klass = link_info.resolved_klass();
1406
1407 Symbol* name_sym = cp->name_ref_at(index);
1408
1409 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1410 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1411
1412 methodHandle adapter_method(THREAD, cp_cache_entry->f1_as_method());
1413
1414 methodHandle resolved_method(adapter_method);
1415
1416 // Can we treat it as a regular invokevirtual?
1417 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1418 vmassert(!resolved_method->is_static(),"!");
1419 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1420 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1421 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1422
1423 methodHandle m(THREAD, LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1424 vmassert(m == resolved_method, "!!");
1425 return -1;
1426 }
1427
1428 return Bytecodes::_invokevirtual;
1429 }
1430 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1431 return Bytecodes::_invokedynamic;
1432 }
1433 return -1;
1434 C2V_END
1435
1436
1437 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject))
1438 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL);
1439 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL);
1440 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL);
1441 JVMCIENV->put_object_at(holders, 0, mh);
1442 JVMCIENV->put_object_at(holders, 1, vh);
1443 return JVMCIENV->get_jobject(holders);
1444 C2V_END
1445
1446 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject))
1447 //see compute_recording_non_safepoints in debugInfroRec.cpp
1448 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1449 return true;
1450 }
1451 return DebugNonSafepoints;
1452 C2V_END
1453
1454 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1455 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate))
1456 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame);
1457 if (hs_frame.is_null()) {
1458 JVMCI_THROW_MSG(NullPointerException, "stack frame is null");
1459 }
1460
1461 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK);
1462
1463 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK);
1464
1465 // look for the given stack frame
1466 StackFrameStream fst(thread);
1467 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame);
1468 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1469 fst.next();
1470 }
1471 if (fst.current()->sp() != stack_pointer) {
1472 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found");
1473 }
1474
1475 if (invalidate) {
1476 if (!fst.current()->is_compiled_frame()) {
1477 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1478 }
1479 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1480 ((nmethod*) fst.current()->cb())->make_not_entrant();
1481 }
1482 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1483 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1484 StackFrameStream fstAfterDeopt(thread);
1485 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1486 fstAfterDeopt.next();
1487 }
1488 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1489 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt");
1490 }
1491
1492 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1493 if (!vf->is_compiled_frame()) {
1494 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1495 }
1496
1497 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1498 while (true) {
1499 assert(vf->is_compiled_frame(), "Wrong frame type");
1500 virtualFrames->push(compiledVFrame::cast(vf));
1501 if (vf->is_top()) {
1502 break;
1503 }
1504 vf = vf->sender();
1505 }
1506
1507 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame);
1508 if (last_frame_number >= virtualFrames->length()) {
1509 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number");
1510 }
1511
1512 // Reallocate the non-escaping objects and restore their fields.
1513 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1514 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1515
1516 if (objects == NULL) {
1517 // no objects to materialize
1518 return;
1519 }
1520
1521 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK);
1522 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1523
1524 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1525 compiledVFrame* cvf = virtualFrames->at(frame_index);
1526
1527 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1528 StackValueCollection* locals = cvf->locals();
1529 if (locals != NULL) {
1530 for (int i2 = 0; i2 < locals->size(); i2++) {
1531 StackValue* var = locals->at(i2);
1532 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1533 jvalue val;
1534 val.l = (jobject) locals->at(i2)->get_obj()();
1535 cvf->update_local(T_OBJECT, i2, val);
1536 }
1537 }
1538 }
1539
1540 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1541 StackValueCollection* expressions = cvf->expressions();
1542 if (expressions != NULL) {
1543 for (int i2 = 0; i2 < expressions->size(); i2++) {
1544 StackValue* var = expressions->at(i2);
1545 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1546 jvalue val;
1547 val.l = (jobject) expressions->at(i2)->get_obj()();
1548 cvf->update_stack(T_OBJECT, i2, val);
1549 }
1550 }
1551 }
1552
1553 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1554 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1555 if (monitors != NULL) {
1556 for (int i2 = 0; i2 < monitors->length(); i2++) {
1557 cvf->update_monitor(i2, monitors->at(i2));
1558 }
1559 }
1560 }
1561
1562 // all locals are materialized by now
1563 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL);
1564 // update the locals array
1565 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame);
1566 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1567 for (int i = 0; i < locals->size(); i++) {
1568 StackValue* var = locals->at(i);
1569 if (var->type() == T_OBJECT) {
1570 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()()));
1571 }
1572 }
1573 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE);
1574 C2V_END
1575
1576 // Creates a scope where the current thread is attached and detached
1577 // from HotSpot if it wasn't already attached when entering the scope.
1578 extern "C" void jio_printf(const char *fmt, ...);
1579 class AttachDetach : public StackObj {
1580 public:
1581 bool _attached;
1582 AttachDetach(JNIEnv* env, Thread* current_thread) {
1583 if (current_thread == NULL) {
1584 extern struct JavaVM_ main_vm;
1585 JNIEnv* hotspotEnv;
1586 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
1587 _attached = res == JNI_OK;
1588 static volatile int report_attach_error = 0;
1589 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(1, &report_attach_error, 0) == 0) {
1590 // Only report an attach error once
1591 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res);
1592 }
1593 } else {
1594 _attached = false;
1595 }
1596 }
1597 ~AttachDetach() {
1598 if (_attached && get_current_thread() != NULL) {
1599 extern struct JavaVM_ main_vm;
1600 jint res = main_vm.DetachCurrentThread();
1601 static volatile int report_detach_error = 0;
1602 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(1, &report_detach_error, 0) == 0) {
1603 // Only report an attach error once
1604 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res);
1605 }
1606 }
1607 }
1608 };
1609
1610 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw))
1611 AttachDetach ad(env, base_thread);
1612 bool use_tty = true;
1613 if (base_thread == NULL) {
1614 if (!ad._attached) {
1615 // Can only use tty if the current thread is attached
1616 return 0;
1617 }
1618 base_thread = get_current_thread();
1619 }
1620 JVMCITraceMark jtm("writeDebugOutput");
1621 assert(base_thread->is_Java_thread(), "just checking");
1622 JavaThread* thread = (JavaThread*) base_thread;
1623 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length))
1624 if (bytes == NULL) {
1625 if (can_throw) {
1626 JVMCI_THROW_0(NullPointerException);
1627 }
1628 return -1;
1629 }
1630 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes);
1631
1632 // Check if offset and length are non negative.
1633 if (offset < 0 || length < 0) {
1634 if (can_throw) {
1635 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1636 }
1637 return -2;
1638 }
1639 // Check if the range is valid.
1640 int array_length = JVMCIENV->get_length(array);
1641 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) {
1642 if (can_throw) {
1643 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1644 }
1645 return -2;
1646 }
1647 jbyte buffer[O_BUFLEN];
1648 while (length > 0) {
1649 int copy_len = MIN2(length, (jint)O_BUFLEN);
1650 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len);
1651 tty->write((char*) buffer, copy_len);
1652 length -= O_BUFLEN;
1653 offset += O_BUFLEN;
1654 }
1655 if (flush) {
1656 tty->flush();
1657 }
1658 return 0;
1659 C2V_END
1660
1661 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject))
1662 tty->flush();
1663 C2V_END
1664
1665 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position))
1666 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1667 ProfileData* profile_data = mdo->data_at(position);
1668 if (mdo->is_valid(profile_data)) {
1669 return profile_data->size_in_bytes();
1670 }
1671 DataLayout* data = mdo->extra_data_base();
1672 DataLayout* end = mdo->extra_data_limit();
1673 for (;; data = mdo->next_extra(data)) {
1674 assert(data < end, "moved past end of extra data");
1675 profile_data = data->data_in();
1676 if (mdo->dp_to_di(profile_data->dp()) == position) {
1677 return profile_data->size_in_bytes();
1678 }
1679 }
1680 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position));
1681 C2V_END
1682
1683 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass))
1684 #if INCLUDE_AOT
1685 Klass *k = (Klass*) (address) metaspace_klass;
1686 if (k->is_instance_klass()) {
1687 return InstanceKlass::cast(k)->get_stored_fingerprint();
1688 } else {
1689 return 0;
1690 }
1691 #else
1692 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
1693 #endif
1694 C2V_END
1695
1696 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type))
1697 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type));
1698 InstanceKlass* host = k->unsafe_anonymous_host();
1699 JVMCIKlassHandle handle(THREAD, host);
1700 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
1701 return JVMCIENV->get_jobject(result);
1702 C2V_END
1703
1704 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type))
1705 if (jvmci_type == NULL) {
1706 JVMCI_THROW_0(NullPointerException);
1707 }
1708
1709 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1710 if (klass == NULL) {
1711 JVMCI_THROW_0(NullPointerException);
1712 }
1713 if (!klass->is_instance_klass()) {
1714 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
1715 }
1716 InstanceKlass* iklass = InstanceKlass::cast(klass);
1717
1718 // Regular instance klass, fill in all local interfaces
1719 int size = iklass->local_interfaces()->length();
1720 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL);
1721 for (int index = 0; index < size; index++) {
1722 JVMCIKlassHandle klass(THREAD);
1723 Klass* k = iklass->local_interfaces()->at(index);
1724 klass = k;
1725 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
1726 JVMCIENV->put_object_at(interfaces, index, type);
1727 }
1728 return JVMCIENV->get_jobject(interfaces);
1729 C2V_END
1730
1731 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type))
1732 if (jvmci_type == NULL) {
1733 JVMCI_THROW_0(NullPointerException);
1734 }
1735
1736 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1737 oop mirror = klass->java_mirror();
1738 if (java_lang_Class::is_primitive(mirror) ||
1739 !java_lang_Class::as_Klass(mirror)->is_array_klass()) {
1740 return NULL;
1741 }
1742
1743 oop component_mirror = java_lang_Class::component_mirror(mirror);
1744 if (component_mirror == NULL) {
1745 return NULL;
1746 }
1747 Klass* component_klass = java_lang_Class::as_Klass(component_mirror);
1748 if (component_klass != NULL) {
1749 JVMCIKlassHandle klass_handle(THREAD);
1750 klass_handle = component_klass;
1751 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
1752 return JVMCIENV->get_jobject(result);
1753 }
1754 BasicType type = java_lang_Class::primitive_type(component_mirror);
1755 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type);
1756 return JVMCIENV->get_jobject(result);
1757 C2V_END
1758
1759 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type))
1760 if (jvmci_type == NULL) {
1761 JVMCI_THROW(NullPointerException);
1762 }
1763
1764 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1765 if (klass != NULL && klass->should_be_initialized()) {
1766 InstanceKlass* k = InstanceKlass::cast(klass);
1767 k->initialize(CHECK);
1768 }
1769 C2V_END
1770
1771 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle))
1772 if (bytecode_frame_handle == NULL) {
1773 JVMCI_THROW_0(NullPointerException);
1774 }
1775
1776 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle);
1777 JVMCIObject bytecode_frame = top_bytecode_frame;
1778 int size = 0;
1779 int callee_parameters = 0;
1780 int callee_locals = 0;
1781 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1782 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1783
1784 while (bytecode_frame.is_non_null()) {
1785 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame);
1786 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1787 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame));
1788 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1789
1790 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1791 temps + callee_parameters,
1792 extra_args,
1793 locks,
1794 callee_parameters,
1795 callee_locals,
1796 is_top_frame);
1797 size += frame_size;
1798
1799 callee_parameters = method->size_of_parameters();
1800 callee_locals = method->max_locals();
1801 extra_args = 0;
1802 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame);
1803 }
1804 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1805 C2V_END
1806
1807 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle))
1808 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK);
1809 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1810 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode");
1811 JavaValue result(T_VOID);
1812 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1813 } else {
1814 JVMCI_THROW_MSG(IllegalArgumentException,
1815 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()))
1816 }
1817 C2V_END
1818
1819 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object))
1820 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1821 return obj->identity_hash();
1822 C2V_END
1823
1824 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object))
1825 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1826 if (!java_lang_String::is_instance(str())) {
1827 return false;
1828 }
1829 int len;
1830 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_0);
1831 return (StringTable::lookup(name, len) != NULL);
1832 C2V_END
1833
1834
1835 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object))
1836 if (object == NULL) {
1837 JVMCI_THROW_0(NullPointerException);
1838 }
1839 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
1840 BasicType type = java_lang_boxing_object::basic_type(box());
1841 jvalue result;
1842 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) {
1843 return NULL;
1844 }
1845 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL);
1846 return JVMCIENV->get_jobject(boxResult);
1847 C2V_END
1848
1849 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object))
1850 if (object == NULL) {
1851 JVMCI_THROW_0(NullPointerException);
1852 }
1853 JVMCIObject box = JVMCIENV->wrap(object);
1854 BasicType type = JVMCIENV->get_box_type(box);
1855 if (type == T_ILLEGAL) {
1856 return NULL;
1857 }
1858 jvalue value = JVMCIENV->get_boxed_value(type, box);
1859 JavaValue box_result(T_OBJECT);
1860 JavaCallArguments jargs;
1861 Klass* box_klass = NULL;
1862 Symbol* box_signature = NULL;
1863 #define BOX_CASE(bt, v, argtype, name) \
1864 case bt: \
1865 jargs.push_##argtype(value.v); \
1866 box_klass = SystemDictionary::name##_klass(); \
1867 box_signature = vmSymbols::name##_valueOf_signature(); \
1868 break
1869
1870 switch (type) {
1871 BOX_CASE(T_BOOLEAN, z, int, Boolean);
1872 BOX_CASE(T_BYTE, b, int, Byte);
1873 BOX_CASE(T_CHAR, c, int, Character);
1874 BOX_CASE(T_SHORT, s, int, Short);
1875 BOX_CASE(T_INT, i, int, Integer);
1876 BOX_CASE(T_LONG, j, long, Long);
1877 BOX_CASE(T_FLOAT, f, float, Float);
1878 BOX_CASE(T_DOUBLE, d, double, Double);
1879 default:
1880 ShouldNotReachHere();
1881 }
1882 #undef BOX_CASE
1883
1884 JavaCalls::call_static(&box_result,
1885 box_klass,
1886 vmSymbols::valueOf_name(),
1887 box_signature, &jargs, CHECK_NULL);
1888 oop hotspot_box = (oop) box_result.get_jobject();
1889 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false);
1890 return JVMCIENV->get_jobject(result);
1891 C2V_END
1892
1893 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder))
1894 if (holder == NULL) {
1895 JVMCI_THROW_0(NullPointerException);
1896 }
1897 Klass* klass = JVMCIENV->asKlass(holder);
1898 if (!klass->is_instance_klass()) {
1899 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1900 return JVMCIENV->get_jobjectArray(methods);
1901 }
1902
1903 InstanceKlass* iklass = InstanceKlass::cast(klass);
1904 // Ensure class is linked
1905 iklass->link_class(CHECK_NULL);
1906
1907 GrowableArray<Method*> constructors_array;
1908 for (int i = 0; i < iklass->methods()->length(); i++) {
1909 Method* m = iklass->methods()->at(i);
1910 if (m->is_initializer() && !m->is_static()) {
1911 constructors_array.append(m);
1912 }
1913 }
1914 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL);
1915 for (int i = 0; i < constructors_array.length(); i++) {
1916 methodHandle ctor(THREAD, constructors_array.at(i));
1917 JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL);
1918 JVMCIENV->put_object_at(methods, i, method);
1919 }
1920 return JVMCIENV->get_jobjectArray(methods);
1921 C2V_END
1922
1923 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder))
1924 if (holder == NULL) {
1925 JVMCI_THROW_0(NullPointerException);
1926 }
1927 Klass* klass = JVMCIENV->asKlass(holder);
1928 if (!klass->is_instance_klass()) {
1929 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1930 return JVMCIENV->get_jobjectArray(methods);
1931 }
1932
1933 InstanceKlass* iklass = InstanceKlass::cast(klass);
1934 // Ensure class is linked
1935 iklass->link_class(CHECK_NULL);
1936
1937 GrowableArray<Method*> methods_array;
1938 for (int i = 0; i < iklass->methods()->length(); i++) {
1939 Method* m = iklass->methods()->at(i);
1940 if (!m->is_initializer() && !m->is_overpass()) {
1941 methods_array.append(m);
1942 }
1943 }
1944 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL);
1945 for (int i = 0; i < methods_array.length(); i++) {
1946 methodHandle mh(THREAD, methods_array.at(i));
1947 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1948 JVMCIENV->put_object_at(methods, i, method);
1949 }
1950 return JVMCIENV->get_jobjectArray(methods);
1951 C2V_END
1952
1953 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile))
1954 if (object == NULL || field == NULL) {
1955 JVMCI_THROW_0(NullPointerException);
1956 }
1957 JVMCIObject field_object = JVMCIENV->wrap(field);
1958 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object);
1959 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object);
1960 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object));
1961 if (!holder->is_instance_klass()) {
1962 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name()));
1963 }
1964 InstanceKlass* ik = InstanceKlass::cast(holder);
1965 BasicType constant_type;
1966 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) {
1967 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL);
1968 } else {
1969 constant_type = T_OBJECT;
1970 }
1971 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object);
1972 fieldDescriptor fd;
1973 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) {
1974 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement));
1975 }
1976 JVMCIObject base = JVMCIENV->wrap(object);
1977 Handle obj;
1978 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) {
1979 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL);
1980 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) {
1981 Klass* klass = JVMCIENV->asKlass(base);
1982 obj = Handle(THREAD, klass->java_mirror());
1983 } else {
1984 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
1985 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base)));
1986 }
1987 jlong value = 0;
1988 JVMCIObject kind;
1989 switch (constant_type) {
1990 case T_OBJECT: {
1991 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement);
1992 JVMCIObject result = JVMCIENV->get_object_constant(object);
1993 if (result.is_null()) {
1994 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER());
1995 }
1996 return JVMCIENV->get_jobject(result);
1997 }
1998 case T_FLOAT: {
1999 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement);
2000 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL);
2001 return JVMCIENV->get_jobject(result);
2002 }
2003 case T_DOUBLE: {
2004 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement);
2005 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL);
2006 return JVMCIENV->get_jobject(result);
2007 }
2008 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break;
2009 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break;
2010 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break;
2011 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break;
2012 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break;
2013 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break;
2014 default:
2015 ShouldNotReachHere();
2016 }
2017 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL);
2018 return JVMCIENV->get_jobject(result);
2019 C2V_END
2020
2021 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object))
2022 if (object == NULL || holder == NULL) {
2023 JVMCI_THROW_0(NullPointerException);
2024 }
2025 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
2026 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2027 return obj->is_a(klass);
2028 C2V_END
2029
2030 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder))
2031 if (holder == NULL || otherHolder == NULL) {
2032 JVMCI_THROW_0(NullPointerException);
2033 }
2034 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2035 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder));
2036 return otherKlass->is_subtype_of(klass);
2037 C2V_END
2038
2039 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder))
2040 if (holder == NULL) {
2041 JVMCI_THROW_0(NullPointerException);
2042 }
2043 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder)));
2044 if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) {
2045 return true;
2046 }
2047 return false;
2048 C2V_END
2049
2050 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object))
2051 if (object == NULL) {
2052 JVMCI_THROW_0(NullPointerException);
2053 }
2054 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2055 if (java_lang_Class::is_instance(obj())) {
2056 if (java_lang_Class::is_primitive(obj())) {
2057 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj()));
2058 return JVMCIENV->get_jobject(type);
2059 }
2060 Klass* klass = java_lang_Class::as_Klass(obj());
2061 JVMCIKlassHandle klass_handle(THREAD);
2062 klass_handle = klass;
2063 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
2064 return JVMCIENV->get_jobject(type);
2065 }
2066 return NULL;
2067 C2V_END
2068
2069
2070 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object))
2071 if (object == NULL) {
2072 JVMCI_THROW_0(NullPointerException);
2073 }
2074 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2075 const char* str = java_lang_String::as_utf8_string(obj());
2076 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL);
2077 return JVMCIENV->get_jobject(result);
2078 C2V_END
2079
2080
2081 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle))
2082 if (x == NULL || y == NULL) {
2083 JVMCI_THROW_0(NullPointerException);
2084 }
2085 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle);
2086 C2V_END
2087
2088 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object))
2089 if (object == NULL) {
2090 JVMCI_THROW_0(NullPointerException);
2091 }
2092 JVMCIObject base_object = JVMCIENV->wrap(object);
2093 Handle mirror;
2094 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
2095 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror());
2096 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) {
2097 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL);
2098 } else {
2099 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2100 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
2101 }
2102 JVMCIObject result = JVMCIENV->get_object_constant(mirror());
2103 return JVMCIENV->get_jobject(result);
2104 C2V_END
2105
2106
2107 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x))
2108 if (x == NULL) {
2109 JVMCI_THROW_0(NullPointerException);
2110 }
2111 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2112 if (xobj->klass()->is_array_klass()) {
2113 return arrayOop(xobj())->length();
2114 }
2115 return -1;
2116 C2V_END
2117
2118
2119 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index))
2120 if (x == NULL) {
2121 JVMCI_THROW_0(NullPointerException);
2122 }
2123 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL);
2124 if (xobj->klass()->is_array_klass()) {
2125 arrayOop array = arrayOop(xobj());
2126 BasicType element_type = ArrayKlass::cast(array->klass())->element_type();
2127 if (index < 0 || index >= array->length()) {
2128 return NULL;
2129 }
2130 JVMCIObject result;
2131
2132 if (element_type == T_OBJECT) {
2133 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index));
2134 if (result.is_null()) {
2135 result = JVMCIENV->get_JavaConstant_NULL_POINTER();
2136 }
2137 } else {
2138 jvalue value;
2139 switch (element_type) {
2140 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break;
2141 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break;
2142 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break;
2143 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break;
2144 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break;
2145 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break;
2146 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break;
2147 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break;
2148 default: ShouldNotReachHere();
2149 }
2150 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL);
2151 }
2152 assert(!result.is_null(), "must have a value");
2153 return JVMCIENV->get_jobject(result);
2154 }
2155 return NULL;;
2156 C2V_END
2157
2158
2159 C2V_VMENTRY_0(jint, arrayBaseOffset, (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 arrayOopDesc::header_size(type) * HeapWordSize;
2165 C2V_END
2166
2167 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind))
2168 if (kind == NULL) {
2169 JVMCI_THROW_0(NullPointerException);
2170 }
2171 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2172 return type2aelembytes(type);
2173 C2V_END
2174
2175 C2V_VMENTRY_0(jbyte, getByte, (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->byte_field(displacement);
2181 }
2182
2183 C2V_VMENTRY_0(jshort, getShort, (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->short_field(displacement);
2189 }
2190
2191 C2V_VMENTRY_0(jint, getInt, (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->int_field(displacement);
2197 }
2198
2199 C2V_VMENTRY_0(jlong, getLong, (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 return xobj->long_field(displacement);
2205 }
2206
2207 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement))
2208 if (x == NULL) {
2209 JVMCI_THROW_0(NullPointerException);
2210 }
2211 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2212 oop res = xobj->obj_field(displacement);
2213 JVMCIObject result = JVMCIENV->get_object_constant(res);
2214 return JVMCIENV->get_jobject(result);
2215 }
2216
2217 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h))
2218 jobject handle = (jobject)(address)h;
2219 if (handle != NULL) {
2220 JVMCI::destroy_global(handle);
2221 }
2222 }
2223
2224 static void requireJVMCINativeLibrary(JVMCI_TRAPS) {
2225 if (!UseJVMCINativeLibrary) {
2226 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)");
2227 }
2228 }
2229
2230 static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) {
2231 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2232 if (javaVM == NULL) {
2233 JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller));
2234 }
2235 return javaVM;
2236 }
2237
2238 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror))
2239 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2240 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL);
2241 void* shared_library = JVMCIEnv::get_shared_library_handle();
2242 if (shared_library == NULL) {
2243 // Ensure the JVMCI shared library runtime is initialized.
2244 JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__);
2245 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2246 HandleMark hm;
2247 JVMCIRuntime* runtime = JVMCI::compiler_runtime();
2248 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv);
2249 if (peerEnv->has_pending_exception()) {
2250 peerEnv->describe_pending_exception(true);
2251 }
2252 shared_library = JVMCIEnv::get_shared_library_handle();
2253 if (shared_library == NULL) {
2254 JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime");
2255 }
2256 }
2257
2258 if (mirror == NULL) {
2259 JVMCI_THROW_0(NullPointerException);
2260 }
2261 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
2262 if (klass == NULL || !klass->is_instance_klass()) {
2263 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type");
2264 }
2265
2266 InstanceKlass* iklass = InstanceKlass::cast(klass);
2267 for (int i = 0; i < iklass->methods()->length(); i++) {
2268 methodHandle method(THREAD, iklass->methods()->at(i));
2269 if (method->is_native()) {
2270
2271 // Compute argument size
2272 int args_size = 1 // JNIEnv
2273 + (method->is_static() ? 1 : 0) // class for static methods
2274 + method->size_of_parameters(); // actual parameters
2275
2276 // 1) Try JNI short style
2277 stringStream st;
2278 char* pure_name = NativeLookup::pure_jni_name(method);
2279 os::print_jni_name_prefix_on(&st, args_size);
2280 st.print_raw(pure_name);
2281 os::print_jni_name_suffix_on(&st, args_size);
2282 char* jni_name = st.as_string();
2283
2284 address entry = (address) os::dll_lookup(shared_library, jni_name);
2285 if (entry == NULL) {
2286 // 2) Try JNI long style
2287 st.reset();
2288 char* long_name = NativeLookup::long_jni_name(method);
2289 os::print_jni_name_prefix_on(&st, args_size);
2290 st.print_raw(pure_name);
2291 st.print_raw(long_name);
2292 os::print_jni_name_suffix_on(&st, args_size);
2293 char* jni_long_name = st.as_string();
2294 entry = (address) os::dll_lookup(shared_library, jni_long_name);
2295 if (entry == NULL) {
2296 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]",
2297 method->name_and_sig_as_C_string(),
2298 jni_name, jni_long_name, JVMCIEnv::get_shared_library_path()));
2299 }
2300 }
2301
2302 if (method->has_native_function() && entry != method->native_function()) {
2303 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]",
2304 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry)));
2305 }
2306 method->set_native_function(entry, Method::native_bind_event_is_interesting);
2307 log_debug(jni, resolve)("[Dynamic-linking native method %s.%s ... JNI]",
2308 method->method_holder()->external_name(),
2309 method->name()->as_C_string());
2310 }
2311 }
2312
2313 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2314 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL);
2315 JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM);
2316 JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0);
2317 JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1);
2318 JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2);
2319 return (jlongArray) JVMCIENV->get_jobject(result);
2320 }
2321
2322 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm))
2323 if (base_thread == NULL) {
2324 // Called from unattached JVMCI shared library thread
2325 return false;
2326 }
2327 JVMCITraceMark jtm("isCurrentThreadAttached");
2328 assert(base_thread->is_Java_thread(), "just checking");
2329 JavaThread* thread = (JavaThread*) base_thread;
2330 if (thread->jni_environment() == env) {
2331 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject))
2332 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2333 JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0);
2334 JNIEnv* peerEnv;
2335 return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK;
2336 }
2337 return true;
2338 C2V_END
2339
2340 C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm))
2341 if (base_thread == NULL) {
2342 // Called from unattached JVMCI shared library thread
2343 return 0L;
2344 }
2345 JVMCITraceMark jtm("getCurrentJavaThread");
2346 assert(base_thread->is_Java_thread(), "just checking");
2347 return (jlong) p2i(base_thread);
2348 C2V_END
2349
2350 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon))
2351 if (base_thread == NULL) {
2352 // Called from unattached JVMCI shared library thread
2353 extern struct JavaVM_ main_vm;
2354 JNIEnv* hotspotEnv;
2355 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) :
2356 main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
2357 if (res != JNI_OK) {
2358 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false);
2359 }
2360 return true;
2361 }
2362 JVMCITraceMark jtm("attachCurrentThread");
2363 assert(base_thread->is_Java_thread(), "just checking");\
2364 JavaThread* thread = (JavaThread*) base_thread;
2365 if (thread->jni_environment() == env) {
2366 // Called from HotSpot
2367 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean))
2368 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2369 JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0);
2370 JavaVMAttachArgs attach_args;
2371 attach_args.version = JNI_VERSION_1_2;
2372 attach_args.name = thread->name();
2373 attach_args.group = NULL;
2374 JNIEnv* peerEnv;
2375 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) {
2376 return false;
2377 }
2378 jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) :
2379 javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args);
2380 if (res == JNI_OK) {
2381 guarantee(peerEnv != NULL, "must be");
2382 return true;
2383 }
2384 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name));
2385 }
2386 // Called from JVMCI shared library
2387 return false;
2388 C2V_END
2389
2390 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm))
2391 if (base_thread == NULL) {
2392 // Called from unattached JVMCI shared library thread
2393 JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread"));
2394 }
2395 JVMCITraceMark jtm("detachCurrentThread");
2396 assert(base_thread->is_Java_thread(), "just checking");\
2397 JavaThread* thread = (JavaThread*) base_thread;
2398 if (thread->jni_environment() == env) {
2399 // Called from HotSpot
2400 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject))
2401 requireJVMCINativeLibrary(JVMCI_CHECK);
2402 requireInHotSpot("detachCurrentThread", JVMCI_CHECK);
2403 JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK);
2404 JNIEnv* peerEnv;
2405 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) {
2406 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name()));
2407 }
2408 jint res = javaVM->DetachCurrentThread();
2409 if (res != JNI_OK) {
2410 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name()));
2411 }
2412 } else {
2413 // Called from attached JVMCI shared library thread
2414 extern struct JavaVM_ main_vm;
2415 jint res = main_vm.DetachCurrentThread();
2416 if (res != JNI_OK) {
2417 JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread"));
2418 }
2419 }
2420 C2V_END
2421
2422 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle))
2423 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2424 if (obj_handle == NULL) {
2425 return 0L;
2426 }
2427 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__);
2428 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2429 JVMCIEnv* thisEnv = JVMCIENV;
2430
2431 JVMCIObject obj = thisEnv->wrap(obj_handle);
2432 JVMCIObject result;
2433 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) {
2434 methodHandle method(THREAD, thisEnv->asMethod(obj));
2435 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0);
2436 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) {
2437 Klass* klass = thisEnv->asKlass(obj);
2438 JVMCIKlassHandle klass_handle(THREAD);
2439 klass_handle = klass;
2440 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0);
2441 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) {
2442 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0);
2443 result = peerEnv->get_jvmci_primitive_type(type);
2444 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) ||
2445 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) {
2446 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0);
2447 result = peerEnv->get_object_constant(constant());
2448 } else if (thisEnv->isa_HotSpotNmethod(obj)) {
2449 nmethod* nm = thisEnv->asNmethod(obj);
2450 if (nm != NULL) {
2451 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2452 if (data != NULL) {
2453 if (peerEnv->is_hotspot()) {
2454 // Only the mirror in the HotSpot heap is accessible
2455 // through JVMCINMethodData
2456 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true);
2457 if (nmethod_mirror != NULL) {
2458 result = HotSpotJVMCI::wrap(nmethod_mirror);
2459 }
2460 }
2461 }
2462 }
2463 if (result.is_null()) {
2464 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj);
2465 methodHandle mh(THREAD, thisEnv->asMethod(methodObject));
2466 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj);
2467 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj);
2468 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj);
2469 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string);
2470 // Create a new HotSpotNmethod instance in the peer runtime
2471 result = peerEnv->new_HotSpotNmethod(mh, cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0);
2472 if (nm == NULL) {
2473 // nmethod must have been unloaded
2474 } else {
2475 // Link the new HotSpotNmethod to the nmethod
2476 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0);
2477 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime.
2478 if (peerEnv->is_hotspot()) {
2479 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2480 if (data == NULL) {
2481 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod");
2482 }
2483 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) {
2484 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod");
2485 }
2486 oop nmethod_mirror = HotSpotJVMCI::resolve(result);
2487 data->set_nmethod_mirror(nm, nmethod_mirror);
2488 }
2489 }
2490 }
2491 } else {
2492 JVMCI_THROW_MSG_0(IllegalArgumentException,
2493 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj)));
2494 }
2495 return (jlong) peerEnv->make_global(result).as_jobject();
2496 }
2497
2498 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle))
2499 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2500 if (obj_handle == 0L) {
2501 return NULL;
2502 }
2503 jobject global_handle = (jobject) obj_handle;
2504 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle);
2505 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject();
2506
2507 JVMCIENV->destroy_global(global_handle_obj);
2508 return result;
2509 }
2510
2511 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle))
2512 JVMCIObject code = JVMCIENV->wrap(code_handle);
2513 // Execute this operation for the side effect of updating the InstalledCode state
2514 JVMCIENV->asNmethod(code);
2515 }
2516
2517 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle))
2518 JVMCIObject code = JVMCIENV->wrap(code_handle);
2519 CodeBlob* cb = JVMCIENV->asCodeBlob(code);
2520 if (cb == NULL) {
2521 return NULL;
2522 }
2523 int code_size = cb->code_size();
2524 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
2525 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size);
2526 return JVMCIENV->get_jbyteArray(result);
2527 }
2528
2529 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
2530 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL);
2531 methodHandle m(THREAD, JVMCIENV->asMethod(jvmci_method));
2532 oop executable;
2533 if (m->is_initializer()) {
2534 if (m->is_static_initializer()) {
2535 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2536 "Cannot create java.lang.reflect.Method for class initializer");
2537 }
2538 executable = Reflection::new_constructor(m, CHECK_NULL);
2539 } else {
2540 executable = Reflection::new_method(m, false, CHECK_NULL);
2541 }
2542 return JNIHandles::make_local(THREAD, executable);
2543 }
2544
2545 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
2546 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL);
2547 Klass* klass = JVMCIENV->asKlass(jvmci_type);
2548 if (!klass->is_instance_klass()) {
2549 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2550 err_msg("Expected non-primitive type, got %s", klass->external_name()));
2551 }
2552 InstanceKlass* iklass = InstanceKlass::cast(klass);
2553 Array<u2>* fields = iklass->fields();
2554 if (index < 0 ||index > fields->length()) {
2555 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2556 err_msg("Field index %d out of bounds for %s", index, klass->external_name()));
2557 }
2558 fieldDescriptor fd(iklass, index);
2559 oop reflected = Reflection::new_field(&fd, CHECK_NULL);
2560 return JNIHandles::make_local(env, reflected);
2561 }
2562
2563 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current))
2564 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address);
2565 int result_length = 0;
2566 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) {
2567 result_length++;
2568 }
2569 int current_length = 0;
2570 JVMCIObjectArray current_array = NULL;
2571 if (current != NULL) {
2572 current_array = JVMCIENV->wrap(current);
2573 current_length = JVMCIENV->get_length(current_array);
2574 if (current_length == result_length) {
2575 // No new failures
2576 return current;
2577 }
2578 }
2579 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL);
2580 int result_index = 0;
2581 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) {
2582 assert(fs != NULL, "npe");
2583 JVMCIPrimitiveArray entry;
2584 if (result_index < current_length) {
2585 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index);
2586 } else {
2587 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL);
2588 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len());
2589 }
2590 JVMCIENV->put_object_at(result, result_index++, entry);
2591 }
2592 return JVMCIENV->get_jobjectArray(result);
2593 }
2594
2595 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method))
2596 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
2597 MethodData* method_data = method->method_data();
2598 if (method_data == NULL) {
2599 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
2600 method_data = MethodData::allocate(loader_data, method, CHECK_0);
2601 method->set_method_data(method_data);
2602 }
2603 return (jlong) method_data->get_failed_speculations_address();
2604 }
2605
2606 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address))
2607 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address);
2608 }
2609
2610 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj))
2611 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj);
2612 int speculation_len = JVMCIENV->get_length(speculation_handle);
2613 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len);
2614 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len);
2615 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len);
2616 }
2617
2618 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status))
2619 JavaValue result(T_VOID);
2620 JavaCallArguments jargs(1);
2621 jargs.push_int(status);
2622 JavaCalls::call_static(&result,
2623 SystemDictionary::System_klass(),
2624 vmSymbols::exit_method_name(),
2625 vmSymbols::int_void_signature(),
2626 &jargs,
2627 CHECK);
2628 }
2629
2630 #define CC (char*) /*cast a literal from (const char*)*/
2631 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
2632
2633 #define STRING "Ljava/lang/String;"
2634 #define OBJECT "Ljava/lang/Object;"
2635 #define CLASS "Ljava/lang/Class;"
2636 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;"
2637 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;"
2638 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
2639 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
2640 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
2641 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
2642 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
2643 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;"
2644 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
2645 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
2646 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
2647 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
2648 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;"
2649 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;"
2650 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;"
2651 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;"
2652 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
2653 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
2654 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
2655 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
2656 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
2657 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
2658 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;"
2659 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;"
2660 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;"
2661 #define METASPACE_METHOD_DATA "J"
2662
2663 JNINativeMethod CompilerToVM::methods[] = {
2664 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
2665 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
2666 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
2667 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
2668 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
2669 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
2670 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
2671 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
2672 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
2673 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
2674 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
2675 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)},
2676 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)},
2677 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)},
2678 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
2679 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
2680 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
2681 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
2682 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
2683 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)},
2684 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
2685 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
2686 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)},
2687 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
2688 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
2689 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
2690 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
2691 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
2692 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
2693 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
2694 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
2695 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
2696 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
2697 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
2698 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
2699 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
2700 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
2701 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)},
2702 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
2703 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)},
2704 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
2705 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
2706 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
2707 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)},
2708 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
2709 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
2710 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
2711 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
2712 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)},
2713 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)},
2714 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
2715 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)},
2716 {CC "setCountersSize", CC "(I)V", FN_PTR(setCountersSize)},
2717 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
2718 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
2719 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
2720 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
2721 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
2722 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
2723 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
2724 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)},
2725 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
2726 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
2727 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
2728 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
2729 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
2730 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)},
2731 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
2732 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)},
2733 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)},
2734 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)},
2735 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)},
2736 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)},
2737 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)},
2738 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)},
2739 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)},
2740 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)},
2741 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)},
2742 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2743 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2744 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)},
2745 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)},
2746 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)},
2747 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)},
2748 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)},
2749 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)},
2750 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)},
2751 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)},
2752 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)},
2753 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)},
2754 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)},
2755 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)},
2756 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)},
2757 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)},
2758 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)},
2759 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)},
2760 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)},
2761 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)},
2762 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)},
2763 {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)},
2764 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)},
2765 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)},
2766 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)},
2767 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)},
2768 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)},
2769 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)},
2770 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)},
2771 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)},
2772 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)},
2773 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)},
2774 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)},
2775 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)},
2776 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)},
2777 };
2778
2779 int CompilerToVM::methods_count() {
2780 return sizeof(methods) / sizeof(JNINativeMethod);
2781 }