1 /*
2 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include "precompiled.hpp"
25 #include "classfile/classLoaderData.inline.hpp"
26 #include "classfile/javaClasses.inline.hpp"
27 #include "classfile/stringTable.hpp"
28 #include "classfile/symbolTable.hpp"
29 #include "code/scopeDesc.hpp"
30 #include "compiler/compileBroker.hpp"
31 #include "compiler/disassembler.hpp"
32 #include "interpreter/linkResolver.hpp"
33 #include "interpreter/bytecodeStream.hpp"
34 #include "jvmci/jvmciCompilerToVM.hpp"
35 #include "jvmci/jvmciCodeInstaller.hpp"
36 #include "jvmci/jvmciRuntime.hpp"
37 #include "logging/log.hpp"
38 #include "logging/logTag.hpp"
39 #include "memory/oopFactory.hpp"
40 #include "memory/universe.hpp"
41 #include "oops/constantPool.inline.hpp"
42 #include "oops/method.inline.hpp"
43 #include "oops/typeArrayOop.inline.hpp"
44 #include "prims/nativeLookup.hpp"
45 #include "runtime/atomic.hpp"
46 #include "runtime/deoptimization.hpp"
47 #include "runtime/fieldDescriptor.inline.hpp"
48 #include "runtime/frame.inline.hpp"
49 #include "runtime/interfaceSupport.inline.hpp"
50 #include "runtime/jniHandles.inline.hpp"
51 #include "runtime/timerTrace.hpp"
52 #include "runtime/vframe_hp.hpp"
53
54 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
55 _thread = thread;
56 _klass = klass;
57 if (klass != NULL) {
58 _holder = Handle(_thread, klass->klass_holder());
59 }
60 }
61
62 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
63 _klass = klass;
64 if (klass != NULL) {
65 _holder = Handle(_thread, klass->klass_holder());
66 }
67 return *this;
68 }
69
70 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) {
71 if (!JVMCIENV->is_hotspot()) {
72 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller));
73 }
74 }
75
76 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) {
77 if (thread != NULL) {
78 // Allocate a new block for JNI handles.
79 // Inlined code from jni_PushLocalFrame()
80 JNIHandleBlock* java_handles = thread->active_handles();
81 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
82 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
83 compile_handles->set_pop_frame_link(java_handles);
84 thread->set_active_handles(compile_handles);
85 }
86 }
87
88 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) {
89 if (thread != NULL) {
90 // Release our JNI handle block
91 JNIHandleBlock* compile_handles = thread->active_handles();
92 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
93 thread->set_active_handles(java_handles);
94 compile_handles->set_pop_frame_link(NULL);
95 JNIHandleBlock::release_block(compile_handles, thread); // may block
96 }
97 }
98
99 class JVMCITraceMark : public StackObj {
100 const char* _msg;
101 public:
102 JVMCITraceMark(const char* msg) {
103 _msg = msg;
104 if (JVMCITraceLevel >= 1) {
105 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg);
106 }
107 }
108 ~JVMCITraceMark() {
109 if (JVMCITraceLevel >= 1) {
110 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg);
111 }
112 }
113 };
114
115
116 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
117 assert(_index < _args->length(), "out of bounds");
118 oop arg=((objArrayOop) (_args))->obj_at(_index++);
119 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
120 return Handle(Thread::current(), arg);
121 }
122
123 // Bring the JVMCI compiler thread into the VM state.
124 #define JVMCI_VM_ENTRY_MARK \
125 ThreadInVMfromNative __tiv(thread); \
126 ResetNoHandleMark rnhm; \
127 HandleMarkCleaner __hm(thread); \
128 Thread* THREAD = thread; \
129 debug_only(VMNativeEntryWrapper __vew;)
130
131 // Native method block that transitions current thread to '_thread_in_vm'.
132 #define C2V_BLOCK(result_type, name, signature) \
133 TRACE_CALL(result_type, jvmci_ ## name signature) \
134 JVMCI_VM_ENTRY_MARK; \
135 ResourceMark rm; \
136 JNI_JVMCIENV(thread, env);
137
138 static Thread* get_current_thread() {
139 return Thread::current_or_null_safe();
140 }
141
142 // Entry to native method implementation that transitions
143 // current thread to '_thread_in_vm'.
144 #define C2V_VMENTRY(result_type, name, signature) \
145 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
146 Thread* base_thread = get_current_thread(); \
147 if (base_thread == NULL) { \
148 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
149 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
150 return; \
151 } \
152 assert(base_thread->is_Java_thread(), "just checking");\
153 JavaThread* thread = (JavaThread*) base_thread; \
154 JVMCITraceMark jtm("CompilerToVM::" #name); \
155 C2V_BLOCK(result_type, name, signature)
156
157 #define C2V_VMENTRY_(result_type, name, signature, result) \
158 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
159 Thread* base_thread = get_current_thread(); \
160 if (base_thread == NULL) { \
161 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
162 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
163 return result; \
164 } \
165 assert(base_thread->is_Java_thread(), "just checking");\
166 JavaThread* thread = (JavaThread*) base_thread; \
167 JVMCITraceMark jtm("CompilerToVM::" #name); \
168 C2V_BLOCK(result_type, name, signature)
169
170 #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL)
171 #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0)
172
173 // Entry to native method implementation that does not transition
174 // current thread to '_thread_in_vm'.
175 #define C2V_VMENTRY_PREFIX(result_type, name, signature) \
176 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
177 Thread* base_thread = get_current_thread();
178
179 #define C2V_END }
180
181 #define JNI_THROW(caller, name, msg) do { \
182 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
183 if (__throw_res != JNI_OK) { \
184 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
185 } \
186 return; \
187 } while (0);
188
189 #define JNI_THROW_(caller, name, msg, result) do { \
190 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
191 if (__throw_res != JNI_OK) { \
192 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
193 } \
194 return result; \
195 } while (0)
196
197 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS);
198
199 C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env))
200 jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL);
201 return config;
202 }
203
204 C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle))
205 #define RETURN_BOXED_LONG(value) jvalue p; p.j = (jlong) (value); JVMCIObject box = JVMCIENV->create_box(T_LONG, &p, JVMCI_CHECK_NULL); return box.as_jobject();
206 #define RETURN_BOXED_DOUBLE(value) jvalue p; p.d = (jdouble) (value); JVMCIObject box = JVMCIENV->create_box(T_DOUBLE, &p, JVMCI_CHECK_NULL); return box.as_jobject();
207 JVMCIObject name = JVMCIENV->wrap(name_handle);
208 if (name.is_null()) {
209 JVMCI_THROW_NULL(NullPointerException);
210 }
211 const char* cstring = JVMCIENV->as_utf8_string(name);
212 const JVMFlag* flag = JVMFlag::find_declared_flag(cstring);
213 if (flag == NULL) {
214 return c2vm;
215 }
216 if (flag->is_bool()) {
217 jvalue prim;
218 prim.z = flag->get_bool();
219 JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
220 return JVMCIENV->get_jobject(box);
221 } else if (flag->is_ccstr()) {
222 JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL);
223 return JVMCIENV->get_jobject(value);
224 } else if (flag->is_intx()) {
225 RETURN_BOXED_LONG(flag->get_intx());
226 } else if (flag->is_int()) {
227 RETURN_BOXED_LONG(flag->get_int());
228 } else if (flag->is_uint()) {
229 RETURN_BOXED_LONG(flag->get_uint());
230 } else if (flag->is_uint64_t()) {
231 RETURN_BOXED_LONG(flag->get_uint64_t());
232 } else if (flag->is_size_t()) {
233 RETURN_BOXED_LONG(flag->get_size_t());
234 } else if (flag->is_uintx()) {
235 RETURN_BOXED_LONG(flag->get_uintx());
236 } else if (flag->is_double()) {
237 RETURN_BOXED_DOUBLE(flag->get_double());
238 } else {
239 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
240 }
241 #undef RETURN_BOXED_LONG
242 #undef RETURN_BOXED_DOUBLE
243 C2V_END
244
245 C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address))
246 requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL);
247 if (oop_address == 0) {
248 JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero");
249 }
250 oop obj = *((oopDesc**) oop_address);
251 if (obj != NULL) {
252 oopDesc::verify(obj);
253 }
254 return JNIHandles::make_local(obj);
255 C2V_END
256
257 C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method))
258 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
259
260 int code_size = method->code_size();
261 jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size);
262
263 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
264 // iterate over all bytecodes and replace non-Java bytecodes
265
266 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
267 Bytecodes::Code code = s.code();
268 Bytecodes::Code raw_code = s.raw_code();
269 int bci = s.bci();
270 int len = s.instruction_size();
271
272 // Restore original byte code.
273 reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code);
274 if (len > 1) {
275 memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1);
276 }
277
278 if (len > 1) {
279 // Restore the big-endian constant pool indexes.
280 // Cf. Rewriter::scan_method
281 switch (code) {
282 case Bytecodes::_getstatic:
283 case Bytecodes::_putstatic:
284 case Bytecodes::_getfield:
285 case Bytecodes::_putfield:
286 case Bytecodes::_invokevirtual:
287 case Bytecodes::_invokespecial:
288 case Bytecodes::_invokestatic:
289 case Bytecodes::_invokeinterface:
290 case Bytecodes::_invokehandle: {
291 int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
292 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
293 break;
294 }
295
296 case Bytecodes::_invokedynamic: {
297 int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1));
298 Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index);
299 break;
300 }
301
302 default:
303 break;
304 }
305
306 // Not all ldc byte code are rewritten.
307 switch (raw_code) {
308 case Bytecodes::_fast_aldc: {
309 int cpc_index = reconstituted_code[bci + 1] & 0xff;
310 int cp_index = method->constants()->object_to_cp_index(cpc_index);
311 assert(cp_index < method->constants()->length(), "sanity check");
312 reconstituted_code[bci + 1] = (jbyte) cp_index;
313 break;
314 }
315
316 case Bytecodes::_fast_aldc_w: {
317 int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
318 int cp_index = method->constants()->object_to_cp_index(cpc_index);
319 assert(cp_index < method->constants()->length(), "sanity check");
320 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
321 break;
322 }
323
324 default:
325 break;
326 }
327 }
328 }
329
330 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
331 JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size);
332 return JVMCIENV->get_jbyteArray(result);
333 C2V_END
334
335 C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
336 Method* method = JVMCIENV->asMethod(jvmci_method);
337 return method->exception_table_length();
338 C2V_END
339
340 C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
341 Method* method = JVMCIENV->asMethod(jvmci_method);
342 if (method->exception_table_length() == 0) {
343 return 0L;
344 }
345 return (jlong) (address) method->exception_table_start();
346 C2V_END
347
348 C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle))
349 requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL);
350 oop executable = JNIHandles::resolve(executable_handle);
351 oop mirror = NULL;
352 int slot = 0;
353
354 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
355 mirror = java_lang_reflect_Constructor::clazz(executable);
356 slot = java_lang_reflect_Constructor::slot(executable);
357 } else {
358 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
359 mirror = java_lang_reflect_Method::clazz(executable);
360 slot = java_lang_reflect_Method::slot(executable);
361 }
362 Klass* holder = java_lang_Class::as_Klass(mirror);
363 methodHandle method (THREAD, InstanceKlass::cast(holder)->method_with_idnum(slot));
364 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
365 return JVMCIENV->get_jobject(result);
366 }
367
368 C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset))
369 Method* method;
370 JVMCIObject base_object = JVMCIENV->wrap(base);
371 if (base_object.is_null()) {
372 method = *((Method**)(offset));
373 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
374 Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
375 if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) {
376 method = (Method*) (intptr_t) obj->long_field(offset);
377 } else {
378 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name()));
379 }
380 } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
381 method = JVMCIENV->asMethod(base_object);
382 }
383 if (method == NULL) {
384 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
385 }
386 assert (method->is_method(), "invalid read");
387 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, method), JVMCI_CHECK_NULL);
388 return JVMCIENV->get_jobject(result);
389 }
390
391 C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle))
392 ConstantPool* cp = NULL;
393 JVMCIObject object = JVMCIENV->wrap(object_handle);
394 if (object.is_null()) {
395 JVMCI_THROW_NULL(NullPointerException);
396 }
397 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) {
398 cp = JVMCIENV->asMethod(object)->constMethod()->constants();
399 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) {
400 cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants();
401 } else {
402 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
403 err_msg("Unexpected type: %s", JVMCIENV->klass_name(object)));
404 }
405 assert(cp != NULL, "npe");
406
407 JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(constantPoolHandle(THREAD, cp), JVMCI_CHECK_NULL);
408 return JVMCIENV->get_jobject(result);
409 }
410
411 C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed))
412 JVMCIKlassHandle klass(THREAD);
413 JVMCIObject base_object = JVMCIENV->wrap(base);
414 jlong base_address = 0;
415 if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) {
416 // klass = JVMCIENV->unhandle(base_object)->klass();
417 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
418 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
419 klass = base_oop->klass();
420 } else {
421 assert(false, "What types are we actually expecting here?");
422 }
423 } else if (!compressed) {
424 if (base_object.is_non_null()) {
425 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
426 base_address = (intptr_t) JVMCIENV->asMethod(base_object);
427 } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) {
428 base_address = (intptr_t) JVMCIENV->asConstantPool(base_object);
429 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
430 base_address = (intptr_t) JVMCIENV->asKlass(base_object);
431 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
432 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
433 if (base_oop->is_a(SystemDictionary::Class_klass())) {
434 base_address = (jlong) (address) base_oop();
435 }
436 }
437 if (base_address == 0) {
438 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
439 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false"));
440 }
441 }
442 klass = *((Klass**) (intptr_t) (base_address + offset));
443 } else {
444 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
445 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
446 base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null",
447 offset, compressed ? "true" : "false"));
448 }
449 assert (klass == NULL || klass->is_klass(), "invalid read");
450 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
451 return JVMCIENV->get_jobject(result);
452 }
453
454 C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
455 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
456 Klass* holder = JVMCIENV->asKlass(jvmci_type);
457 if (holder->is_interface()) {
458 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name()));
459 }
460 if (method->can_be_statically_bound()) {
461 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Effectively static method %s.%s should be handled in Java code", method->method_holder()->external_name(), method->external_name()));
462 }
463
464 methodHandle ucm;
465 {
466 MutexLocker locker(Compile_lock);
467 ucm = methodHandle(THREAD, Dependencies::find_unique_concrete_method(holder, method()));
468 }
469 JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL);
470 return JVMCIENV->get_jobject(result);
471 C2V_END
472
473 C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type))
474 Klass* klass = JVMCIENV->asKlass(jvmci_type);
475 if (!klass->is_interface()) {
476 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
477 err_msg("Expected interface type, got %s", klass->external_name()));
478 }
479 InstanceKlass* iklass = InstanceKlass::cast(klass);
480 JVMCIKlassHandle handle(THREAD);
481 {
482 // Need Compile_lock around implementor()
483 MutexLocker locker(Compile_lock);
484 handle = iklass->implementor();
485 }
486 JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
487 return JVMCIENV->get_jobject(implementor);
488 C2V_END
489
490 C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method))
491 Method* method = JVMCIENV->asMethod(jvmci_method);
492 return method->is_ignored_by_security_stack_walk();
493 C2V_END
494
495 C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
496 Method* method = JVMCIENV->asMethod(jvmci_method);
497 ConstantPool* cp = method->constMethod()->constants();
498 assert(cp != NULL, "npe");
499 // don't inline method when constant pool contains a CONSTANT_Dynamic
500 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
501 C2V_END
502
503 C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method))
504 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
505 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
506 C2V_END
507
508 C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method))
509 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
510 return CompilerOracle::should_inline(method) || method->force_inline();
511 C2V_END
512
513 C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve))
514 JVMCIObject name = JVMCIENV->wrap(jname);
515 const char* str = JVMCIENV->as_utf8_string(name);
516 TempNewSymbol class_name = SymbolTable::new_symbol(str);
517
518 if (class_name->utf8_length() <= 1) {
519 JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
520 }
521
522 JVMCIKlassHandle resolved_klass(THREAD);
523 Klass* accessing_klass = NULL;
524 Handle class_loader;
525 Handle protection_domain;
526 if (accessing_class != NULL) {
527 accessing_klass = JVMCIENV->asKlass(accessing_class);
528 class_loader = Handle(THREAD, accessing_klass->class_loader());
529 protection_domain = Handle(THREAD, accessing_klass->protection_domain());
530 } else {
531 // Use the System class loader
532 class_loader = Handle(THREAD, SystemDictionary::java_system_loader());
533 JVMCIENV->runtime()->initialize(JVMCIENV);
534 }
535
536 if (resolve) {
537 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
538 if (resolved_klass == NULL) {
539 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str);
540 }
541 } else {
542 if (class_name->char_at(0) == JVM_SIGNATURE_CLASS &&
543 class_name->char_at(class_name->utf8_length()-1) == JVM_SIGNATURE_ENDCLASS) {
544 // This is a name from a signature. Strip off the trimmings.
545 // Call recursive to keep scope of strippedsym.
546 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
547 class_name->utf8_length()-2);
548 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
549 } else if (FieldType::is_array(class_name)) {
550 FieldArrayInfo fd;
551 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
552 // of this call
553 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
554 if (t == T_OBJECT) {
555 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
556 class_name->utf8_length()-2-fd.dimension());
557 resolved_klass = SystemDictionary::find(strippedsym,
558 class_loader,
559 protection_domain,
560 CHECK_0);
561 if (!resolved_klass.is_null()) {
562 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
563 }
564 } else {
565 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0);
566 }
567 } else {
568 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_0);
569 }
570 }
571 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
572 return JVMCIENV->get_jobject(result);
573 C2V_END
574
575 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type))
576 if (jvmci_type == NULL) {
577 JVMCI_THROW_0(NullPointerException);
578 }
579
580 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type);
581 JVMCIKlassHandle array_klass(THREAD);
582 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) {
583 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0);
584 if (type == T_VOID) {
585 return NULL;
586 }
587 array_klass = Universe::typeArrayKlassObj(type);
588 if (array_klass == NULL) {
589 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type)));
590 }
591 } else {
592 Klass* klass = JVMCIENV->asKlass(jvmci_type);
593 if (klass == NULL) {
594 JVMCI_THROW_0(NullPointerException);
595 }
596 array_klass = klass->array_klass(CHECK_NULL);
597 }
598 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL);
599 return JVMCIENV->get_jobject(result);
600 C2V_END
601
602 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror))
603 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL);
604 if (mirror == NULL) {
605 return NULL;
606 }
607 JVMCIKlassHandle klass(THREAD);
608 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
609 if (klass == NULL) {
610 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported");
611 }
612 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
613 return JVMCIENV->get_jobject(result);
614 }
615
616 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
617 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
618 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
619 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result));
620 C2V_END
621
622 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
623 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
624 return cp->name_and_type_ref_index_at(index);
625 C2V_END
626
627 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
628 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
629 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL);
630 return JVMCIENV->get_jobject(sym);
631 C2V_END
632
633 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
634 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
635 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL);
636 return JVMCIENV->get_jobject(sym);
637 C2V_END
638
639 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
640 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
641 return cp->klass_ref_index_at(index);
642 C2V_END
643
644 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
645 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
646 Klass* klass = cp->klass_at(index, CHECK_NULL);
647 JVMCIKlassHandle resolved_klass(THREAD, klass);
648 if (resolved_klass->is_instance_klass()) {
649 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL);
650 if (!InstanceKlass::cast(resolved_klass())->is_linked()) {
651 // link_class() should not return here if there is an issue.
652 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name()));
653 }
654 }
655 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
656 return JVMCIENV->get_jobject(klassObject);
657 C2V_END
658
659 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
660 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
661 Klass* loading_klass = cp->pool_holder();
662 bool is_accessible = false;
663 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass));
664 Symbol* symbol = NULL;
665 if (klass.is_null()) {
666 constantTag tag = cp->tag_at(index);
667 if (tag.is_klass()) {
668 // The klass has been inserted into the constant pool
669 // very recently.
670 klass = cp->resolved_klass_at(index);
671 } else if (tag.is_symbol()) {
672 symbol = cp->symbol_at(index);
673 } else {
674 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag");
675 symbol = cp->klass_name_at(index);
676 }
677 }
678 JVMCIObject result;
679 if (!klass.is_null()) {
680 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
681 } else {
682 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL);
683 }
684 return JVMCIENV->get_jobject(result);
685 C2V_END
686
687 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
688 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
689 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
690 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop));
691 C2V_END
692
693 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
694 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
695 InstanceKlass* pool_holder = cp->pool_holder();
696 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
697 methodHandle method(THREAD, JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder));
698 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
699 return JVMCIENV->get_jobject(result);
700 C2V_END
701
702 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
703 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
704 return cp->remap_instruction_operand_from_cache(index);
705 C2V_END
706
707 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
708 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
709 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
710 fieldDescriptor fd;
711 methodHandle mh(THREAD, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL);
712 LinkInfo link_info(cp, index, mh, CHECK_0);
713 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
714 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle);
715 if (info.is_null() || JVMCIENV->get_length(info) != 3) {
716 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
717 }
718 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int());
719 JVMCIENV->put_int_at(info, 1, fd.offset());
720 JVMCIENV->put_int_at(info, 2, fd.index());
721 JVMCIKlassHandle handle(THREAD, fd.field_holder());
722 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
723 return JVMCIENV->get_jobject(field_holder);
724 C2V_END
725
726 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
727 Klass* klass = JVMCIENV->asKlass(jvmci_type);
728 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
729 if (klass->is_interface()) {
730 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name()));
731 }
732 if (!method->method_holder()->is_interface()) {
733 JVMCI_THROW_MSG_0(InternalError, err_msg("Method %s is not held by an interface, this case should be handled in Java code", method->name_and_sig_as_C_string()));
734 }
735 if (!klass->is_instance_klass()) {
736 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
737 }
738 if (!InstanceKlass::cast(klass)->is_linked()) {
739 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name()));
740 }
741 return LinkResolver::vtable_index_of_interface_method(klass, method);
742 C2V_END
743
744 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
745 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type);
746 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type);
747 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
748
749 Klass* resolved = method->method_holder();
750 Symbol* h_name = method->name();
751 Symbol* h_signature = method->signature();
752
753 if (MethodHandles::is_signature_polymorphic_method(method())) {
754 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
755 return NULL;
756 }
757
758 if (method->name() == vmSymbols::clone_name() &&
759 resolved == SystemDictionary::Object_klass() &&
760 recv_klass->is_array_klass()) {
761 // Resolution of the clone method on arrays always returns Object.clone even though that method
762 // has protected access. There's some trickery in the access checking to make this all work out
763 // so it's necessary to pass in the array class as the resolved class to properly trigger this.
764 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See
765 // LinkResolver::check_method_accessability for the matching logic.
766 resolved = recv_klass;
767 }
768
769 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
770 Method* m = NULL;
771 // Only do exact lookup if receiver klass has been linked. Otherwise,
772 // the vtable has not been setup, and the LinkResolver will fail.
773 if (recv_klass->is_array_klass() ||
774 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
775 if (resolved->is_interface()) {
776 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
777 } else {
778 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
779 }
780 }
781
782 if (m == NULL) {
783 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
784 return NULL;
785 }
786
787 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, m), JVMCI_CHECK_NULL);
788 return JVMCIENV->get_jobject(result);
789 C2V_END
790
791 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type))
792 Klass* klass = JVMCIENV->asKlass(jvmci_type);
793 assert(klass != NULL, "method must not be called for primitive types");
794 return Dependencies::find_finalizable_subclass(klass) != NULL;
795 C2V_END
796
797 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type))
798 Klass* klass = JVMCIENV->asKlass(jvmci_type);
799 if (!klass->is_instance_klass()) {
800 return NULL;
801 }
802 InstanceKlass* iklass = InstanceKlass::cast(klass);
803 methodHandle clinit(THREAD, iklass->class_initializer());
804 JVMCIObject result = JVMCIENV->get_jvmci_method(clinit, JVMCI_CHECK_NULL);
805 return JVMCIENV->get_jobject(result);
806 C2V_END
807
808 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr))
809 address target_addr = (address) addr;
810 if (target_addr != 0x0) {
811 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
812 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
813 return MAX2(ABS(off_low), ABS(off_high));
814 }
815 return -1;
816 C2V_END
817
818 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
819 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
820 method->set_not_c1_compilable();
821 method->set_not_c2_compilable();
822 method->set_dont_inline(true);
823 C2V_END
824
825 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code,
826 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj))
827 HandleMark hm;
828 JNIHandleMark jni_hm(thread);
829
830 JVMCIObject target_handle = JVMCIENV->wrap(target);
831 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
832 CodeBlob* cb = NULL;
833 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code);
834 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj);
835
836 int speculations_len = JVMCIENV->get_length(speculations_handle);
837 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len);
838 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len);
839
840 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
841
842 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
843 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0;
844
845 CodeInstaller installer(JVMCIENV, is_immutable_PIC);
846 JVMCI::CodeInstallResult result = installer.install(compiler,
847 target_handle,
848 compiled_code_handle,
849 cb,
850 installed_code_handle,
851 (FailedSpeculation**)(address) failed_speculations_address,
852 speculations,
853 speculations_len,
854 JVMCI_CHECK_0);
855
856 if (PrintCodeCacheOnCompilation) {
857 stringStream s;
858 // Dump code cache into a buffer before locking the tty,
859 {
860 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
861 CodeCache::print_summary(&s, false);
862 }
863 ttyLocker ttyl;
864 tty->print_raw_cr(s.as_string());
865 }
866
867 if (result != JVMCI::ok) {
868 assert(cb == NULL, "should be");
869 } else {
870 if (installed_code_handle.is_non_null()) {
871 if (cb->is_nmethod()) {
872 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type");
873 // Clear the link to an old nmethod first
874 JVMCIObject nmethod_mirror = installed_code_handle;
875 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0);
876 } else {
877 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type");
878 }
879 // Initialize the link to the new code blob
880 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0);
881 }
882 }
883 return result;
884 C2V_END
885
886 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata))
887 #if INCLUDE_AOT
888 HandleMark hm;
889 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode");
890
891 JVMCIObject target_handle = JVMCIENV->wrap(target);
892 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
893 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata);
894
895 CodeMetadata code_metadata;
896
897 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */);
898 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0);
899 if (result != JVMCI::ok) {
900 return result;
901 }
902
903 if (code_metadata.get_nr_pc_desc() > 0) {
904 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc();
905 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
906 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size);
907 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array);
908 }
909
910 if (code_metadata.get_scopes_size() > 0) {
911 int size = code_metadata.get_scopes_size();
912 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
913 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size);
914 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array);
915 }
916
917 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
918 int size = (int) reloc_buffer->size();
919 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
920 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size);
921 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array);
922
923 const OopMapSet* oopMapSet = installer.oopMapSet();
924 {
925 ResourceMark mark;
926 ImmutableOopMapBuilder builder(oopMapSet);
927 int size = builder.heap_size();
928 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
929 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0));
930 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array);
931 }
932
933 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
934
935 int nr_meta_refs = recorder->nr_meta_refs();
936 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full));
937 for (int i = 0; i < nr_meta_refs; ++i) {
938 jobject element = recorder->meta_element(i);
939 if (element == NULL) {
940 return JVMCI::cache_full;
941 }
942 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element));
943 }
944 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray);
945
946 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
947 int table_size = handler->size_in_bytes();
948 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full));
949 if (table_size > 0) {
950 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0));
951 }
952 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray);
953
954 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table();
955 int implicit_table_size = implicit->size_in_bytes();
956 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full));
957 if (implicit_table_size > 0) {
958 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size);
959 }
960 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray);
961
962 return result;
963 #else
964 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
965 #endif
966 C2V_END
967
968 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject))
969 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
970 CompilerStatistics* stats = compiler->stats();
971 stats->_standard.reset();
972 stats->_osr.reset();
973 C2V_END
974
975 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode))
976 HandleMark hm;
977
978 if (installedCode == NULL) {
979 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null");
980 }
981
982 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode);
983 CodeBlob* cb = JVMCIENV->asCodeBlob(installedCodeObject);
984 if (cb == NULL) {
985 return NULL;
986 }
987
988 // We don't want the stringStream buffer to resize during disassembly as it
989 // uses scoped resource memory. If a nested function called during disassembly uses
990 // a ResourceMark and the buffer expands within the scope of the mark,
991 // the buffer becomes garbage when that scope is exited. Experience shows that
992 // the disassembled code is typically about 10x the code size so a fixed buffer
993 // sized to 20x code size plus a fixed amount for header info should be sufficient.
994 int bufferSize = cb->code_size() * 20 + 1024;
995 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
996 stringStream st(buffer, bufferSize);
997 if (cb->is_nmethod()) {
998 nmethod* nm = (nmethod*) cb;
999 if (!nm->is_alive()) {
1000 return NULL;
1001 }
1002 }
1003 Disassembler::decode(cb, &st);
1004 if (st.size() <= 0) {
1005 return NULL;
1006 }
1007
1008 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL);
1009 return JVMCIENV->get_jobject(result);
1010 C2V_END
1011
1012 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci))
1013 HandleMark hm;
1014
1015 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1016 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL);
1017 return JVMCIENV->get_jobject(element);
1018 C2V_END
1019
1020 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod))
1021 // The incoming arguments array would have to contain JavaConstants instead of regular objects
1022 // and the return value would have to be wrapped as a JavaConstant.
1023 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL);
1024
1025 HandleMark hm;
1026
1027 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1028 nmethod* nm = JVMCIENV->asNmethod(nmethod_mirror);
1029 if (nm == NULL) {
1030 JVMCI_THROW_NULL(InvalidInstalledCodeException);
1031 }
1032 methodHandle mh(THREAD, nm->method());
1033 Symbol* signature = mh->signature();
1034 JavaCallArguments jca(mh->size_of_parameters());
1035
1036 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1037 JavaValue result(jap.get_ret_type());
1038 jca.set_alternative_target(nm);
1039 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1040
1041 if (jap.get_ret_type() == T_VOID) {
1042 return NULL;
1043 } else if (is_reference_type(jap.get_ret_type())) {
1044 return JNIHandles::make_local((oop) result.get_jobject());
1045 } else {
1046 jvalue *value = (jvalue *) result.get_value_addr();
1047 // Narrow the value down if required (Important on big endian machines)
1048 switch (jap.get_ret_type()) {
1049 case T_BOOLEAN:
1050 value->z = (jboolean) value->i;
1051 break;
1052 case T_BYTE:
1053 value->b = (jbyte) value->i;
1054 break;
1055 case T_CHAR:
1056 value->c = (jchar) value->i;
1057 break;
1058 case T_SHORT:
1059 value->s = (jshort) value->i;
1060 break;
1061 default:
1062 break;
1063 }
1064 JVMCIObject o = JVMCIENV->create_box(jap.get_ret_type(), value, JVMCI_CHECK_NULL);
1065 return JVMCIENV->get_jobject(o);
1066 }
1067 C2V_END
1068
1069 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method))
1070 Method* method = JVMCIENV->asMethod(jvmci_method);
1071 if (!method->has_linenumber_table()) {
1072 return NULL;
1073 }
1074 u2 num_entries = 0;
1075 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1076 while (streamForSize.read_pair()) {
1077 num_entries++;
1078 }
1079
1080 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1081 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL);
1082
1083 int i = 0;
1084 jlong value;
1085 while (stream.read_pair()) {
1086 value = ((long) stream.bci());
1087 JVMCIENV->put_long_at(result, i, value);
1088 value = ((long) stream.line());
1089 JVMCIENV->put_long_at(result, i + 1, value);
1090 i += 2;
1091 }
1092
1093 return (jlongArray) JVMCIENV->get_jobject(result);
1094 C2V_END
1095
1096 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
1097 Method* method = JVMCIENV->asMethod(jvmci_method);
1098 if (!method->has_localvariable_table()) {
1099 return 0;
1100 }
1101 return (jlong) (address) method->localvariable_table_start();
1102 C2V_END
1103
1104 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
1105 Method* method = JVMCIENV->asMethod(jvmci_method);
1106 return method->localvariable_table_length();
1107 C2V_END
1108
1109 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method))
1110 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1111 MethodCounters* mcs = method->method_counters();
1112 if (mcs != NULL) {
1113 mcs->clear_counters();
1114 }
1115 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1116
1117 CompiledMethod* code = method->code();
1118 if (code != NULL) {
1119 code->make_not_entrant();
1120 }
1121
1122 MethodData* method_data = method->method_data();
1123 if (method_data == NULL) {
1124 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1125 method_data = MethodData::allocate(loader_data, method, CHECK);
1126 method->set_method_data(method_data);
1127 } else {
1128 method_data->initialize();
1129 }
1130 C2V_END
1131
1132
1133 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod))
1134 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1135 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK);
1136 C2V_END
1137
1138 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr))
1139 oop ret = RawAccess<>::oop_load((oop*)(address)addr);
1140 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret));
1141 C2V_END
1142
1143 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject))
1144 // Returns a zero length array if counters aren't enabled
1145 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL);
1146 if (JVMCICounterSize > 0) {
1147 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize);
1148 JavaThread::collect_counters(temp_array, JVMCICounterSize);
1149 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize);
1150 }
1151 return (jlongArray) JVMCIENV->get_jobject(array);
1152 C2V_END
1153
1154 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject))
1155 return (jint) JVMCICounterSize;
1156 C2V_END
1157
1158 C2V_VMENTRY(void, setCountersSize, (JNIEnv* env, jobject, jint new_size))
1159 JavaThread::resize_all_jvmci_counters(new_size);
1160 C2V_END
1161
1162 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci))
1163 HandleMark hm;
1164 if (jvmci_method == NULL) {
1165 JVMCI_THROW_0(NullPointerException);
1166 }
1167 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1168 if (entry_bci >= method->code_size() || entry_bci < -1) {
1169 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci));
1170 }
1171 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1172 C2V_END
1173
1174
1175 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data))
1176 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1177 return mdo != NULL && mdo->is_mature();
1178 C2V_END
1179
1180 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1181 Method* method = JVMCIENV->asMethod(jvmci_method);
1182 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1183 C2V_END
1184
1185 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol))
1186 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL);
1187 return JVMCIENV->get_jobject(sym);
1188 C2V_END
1189
1190 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) {
1191 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1192
1193 for (int i = 0; i < methods_oop->length(); i++) {
1194 oop resolved = methods_oop->obj_at(i);
1195 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) {
1196 return true;
1197 }
1198 }
1199 return false;
1200 }
1201
1202 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
1203 CallInfo callinfo;
1204 Handle receiver = args->receiver();
1205 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
1206 LinkInfo link_info(spec_klass, name, signature);
1207 LinkResolver::resolve_interface_call(
1208 callinfo, receiver, recvrKlass, link_info, true, CHECK);
1209 methodHandle method(THREAD, callinfo.selected_method());
1210 assert(method.not_null(), "should have thrown exception");
1211
1212 // Invoke the method
1213 JavaCalls::call(result, method, args, CHECK);
1214 }
1215
1216 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
1217
1218 if (!thread->has_last_Java_frame()) {
1219 return NULL;
1220 }
1221 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
1222
1223 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL);
1224
1225 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1226 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1227
1228 StackFrameStream fst(thread);
1229 jobjectArray methods = initial_methods;
1230
1231 int frame_number = 0;
1232 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1233
1234 while (true) {
1235 // look for the given method
1236 bool realloc_called = false;
1237 while (true) {
1238 StackValueCollection* locals = NULL;
1239 if (vf->is_compiled_frame()) {
1240 // compiled method frame
1241 compiledVFrame* cvf = compiledVFrame::cast(vf);
1242 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) {
1243 if (initialSkip > 0) {
1244 initialSkip--;
1245 } else {
1246 ScopeDesc* scope = cvf->scope();
1247 // native wrappers do not have a scope
1248 if (scope != NULL && scope->objects() != NULL) {
1249 GrowableArray<ScopeValue*>* objects;
1250 if (!realloc_called) {
1251 objects = scope->objects();
1252 } else {
1253 // some object might already have been re-allocated, only reallocate the non-allocated ones
1254 objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
1255 for (int i = 0; i < scope->objects()->length(); i++) {
1256 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
1257 if (sv->value().is_null()) {
1258 objects->append(sv);
1259 }
1260 }
1261 }
1262 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL);
1263 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
1264 realloc_called = true;
1265
1266 GrowableArray<ScopeValue*>* local_values = scope->locals();
1267 assert(local_values != NULL, "NULL locals");
1268 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1269 typeArrayHandle array(THREAD, array_oop);
1270 for (int i = 0; i < local_values->length(); i++) {
1271 ScopeValue* value = local_values->at(i);
1272 if (value->is_object()) {
1273 array->bool_at_put(i, true);
1274 }
1275 }
1276 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array());
1277 } else {
1278 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1279 }
1280
1281 locals = cvf->locals();
1282 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci());
1283 methodHandle mh(THREAD, cvf->method());
1284 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1285 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1286 }
1287 }
1288 } else if (vf->is_interpreted_frame()) {
1289 // interpreted method frame
1290 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1291 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) {
1292 if (initialSkip > 0) {
1293 initialSkip--;
1294 } else {
1295 locals = ivf->locals();
1296 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci());
1297 methodHandle mh(THREAD, ivf->method());
1298 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1299 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1300 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1301 }
1302 }
1303 }
1304
1305 // locals != NULL means that we found a matching frame and result is already partially initialized
1306 if (locals != NULL) {
1307 methods = match_methods;
1308 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM));
1309 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp());
1310 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number);
1311
1312 // initialize the locals array
1313 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1314 objArrayHandle array(THREAD, array_oop);
1315 for (int i = 0; i < locals->size(); i++) {
1316 StackValue* var = locals->at(i);
1317 if (var->type() == T_OBJECT) {
1318 array->obj_at_put(i, locals->at(i)->get_obj()());
1319 }
1320 }
1321 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array());
1322 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE);
1323
1324 JavaValue result(T_OBJECT);
1325 JavaCallArguments args(visitor);
1326 args.push_oop(frame_reference);
1327 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
1328 if (result.get_jobject() != NULL) {
1329 return JNIHandles::make_local(thread, (oop) result.get_jobject());
1330 }
1331 assert(initialSkip == 0, "There should be no match before initialSkip == 0");
1332 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) {
1333 // the frame has been deoptimized, we need to re-synchronize the frame and vframe
1334 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference());
1335 fst = StackFrameStream(thread);
1336 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1337 fst.next();
1338 }
1339 if (fst.current()->sp() != stack_pointer) {
1340 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1341 }
1342 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1343 if (!vf->is_compiled_frame()) {
1344 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1345 }
1346 for (int i = 0; i < frame_number; i++) {
1347 if (vf->is_top()) {
1348 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
1349 }
1350 vf = vf->sender();
1351 assert(vf->is_compiled_frame(), "Wrong frame type");
1352 }
1353 }
1354 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1355 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1356 }
1357
1358 if (vf->is_top()) {
1359 break;
1360 }
1361 frame_number++;
1362 vf = vf->sender();
1363 } // end of vframe loop
1364
1365 if (fst.is_done()) {
1366 break;
1367 }
1368 fst.next();
1369 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1370 frame_number = 0;
1371 } // end of frame loop
1372
1373 // the end was reached without finding a matching method
1374 return NULL;
1375 C2V_END
1376
1377 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1378 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1379 CallInfo callInfo;
1380 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1381 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1382 cp_cache_entry->set_dynamic_call(cp, callInfo);
1383 C2V_END
1384
1385 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1386 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1387 Klass* holder = cp->klass_ref_at(index, CHECK);
1388 Symbol* name = cp->name_ref_at(index);
1389 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1390 CallInfo callInfo;
1391 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1392 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1393 cp_cache_entry->set_method_handle(cp, callInfo);
1394 }
1395 C2V_END
1396
1397 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1398 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1399 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1400 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1401 // MethodHandle.invoke* --> LambdaForm?
1402 ResourceMark rm;
1403
1404 LinkInfo link_info(cp, index, CATCH);
1405
1406 Klass* resolved_klass = link_info.resolved_klass();
1407
1408 Symbol* name_sym = cp->name_ref_at(index);
1409
1410 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1411 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1412
1413 methodHandle adapter_method(THREAD, cp_cache_entry->f1_as_method());
1414
1415 methodHandle resolved_method(adapter_method);
1416
1417 // Can we treat it as a regular invokevirtual?
1418 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1419 vmassert(!resolved_method->is_static(),"!");
1420 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1421 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1422 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1423
1424 methodHandle m(THREAD, LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1425 vmassert(m == resolved_method, "!!");
1426 return -1;
1427 }
1428
1429 return Bytecodes::_invokevirtual;
1430 }
1431 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1432 return Bytecodes::_invokedynamic;
1433 }
1434 return -1;
1435 C2V_END
1436
1437
1438 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject))
1439 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL);
1440 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL);
1441 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL);
1442 JVMCIENV->put_object_at(holders, 0, mh);
1443 JVMCIENV->put_object_at(holders, 1, vh);
1444 return JVMCIENV->get_jobject(holders);
1445 C2V_END
1446
1447 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject))
1448 //see compute_recording_non_safepoints in debugInfroRec.cpp
1449 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1450 return true;
1451 }
1452 return DebugNonSafepoints;
1453 C2V_END
1454
1455 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1456 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate))
1457 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame);
1458 if (hs_frame.is_null()) {
1459 JVMCI_THROW_MSG(NullPointerException, "stack frame is null");
1460 }
1461
1462 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK);
1463
1464 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK);
1465
1466 // look for the given stack frame
1467 StackFrameStream fst(thread);
1468 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame);
1469 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1470 fst.next();
1471 }
1472 if (fst.current()->sp() != stack_pointer) {
1473 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found");
1474 }
1475
1476 if (invalidate) {
1477 if (!fst.current()->is_compiled_frame()) {
1478 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1479 }
1480 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1481 ((nmethod*) fst.current()->cb())->make_not_entrant();
1482 }
1483 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1484 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1485 StackFrameStream fstAfterDeopt(thread);
1486 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1487 fstAfterDeopt.next();
1488 }
1489 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1490 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt");
1491 }
1492
1493 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1494 if (!vf->is_compiled_frame()) {
1495 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1496 }
1497
1498 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1499 while (true) {
1500 assert(vf->is_compiled_frame(), "Wrong frame type");
1501 virtualFrames->push(compiledVFrame::cast(vf));
1502 if (vf->is_top()) {
1503 break;
1504 }
1505 vf = vf->sender();
1506 }
1507
1508 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame);
1509 if (last_frame_number >= virtualFrames->length()) {
1510 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number");
1511 }
1512
1513 // Reallocate the non-escaping objects and restore their fields.
1514 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1515 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1516
1517 if (objects == NULL) {
1518 // no objects to materialize
1519 return;
1520 }
1521
1522 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK);
1523 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1524
1525 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1526 compiledVFrame* cvf = virtualFrames->at(frame_index);
1527
1528 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1529 StackValueCollection* locals = cvf->locals();
1530 if (locals != NULL) {
1531 for (int i2 = 0; i2 < locals->size(); i2++) {
1532 StackValue* var = locals->at(i2);
1533 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1534 jvalue val;
1535 val.l = (jobject) locals->at(i2)->get_obj()();
1536 cvf->update_local(T_OBJECT, i2, val);
1537 }
1538 }
1539 }
1540
1541 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1542 StackValueCollection* expressions = cvf->expressions();
1543 if (expressions != NULL) {
1544 for (int i2 = 0; i2 < expressions->size(); i2++) {
1545 StackValue* var = expressions->at(i2);
1546 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1547 jvalue val;
1548 val.l = (jobject) expressions->at(i2)->get_obj()();
1549 cvf->update_stack(T_OBJECT, i2, val);
1550 }
1551 }
1552 }
1553
1554 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1555 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1556 if (monitors != NULL) {
1557 for (int i2 = 0; i2 < monitors->length(); i2++) {
1558 cvf->update_monitor(i2, monitors->at(i2));
1559 }
1560 }
1561 }
1562
1563 // all locals are materialized by now
1564 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL);
1565 // update the locals array
1566 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame);
1567 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1568 for (int i = 0; i < locals->size(); i++) {
1569 StackValue* var = locals->at(i);
1570 if (var->type() == T_OBJECT) {
1571 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()()));
1572 }
1573 }
1574 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE);
1575 C2V_END
1576
1577 // Creates a scope where the current thread is attached and detached
1578 // from HotSpot if it wasn't already attached when entering the scope.
1579 extern "C" void jio_printf(const char *fmt, ...);
1580 class AttachDetach : public StackObj {
1581 public:
1582 bool _attached;
1583 AttachDetach(JNIEnv* env, Thread* current_thread) {
1584 if (current_thread == NULL) {
1585 extern struct JavaVM_ main_vm;
1586 JNIEnv* hotspotEnv;
1587 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
1588 _attached = res == JNI_OK;
1589 static volatile int report_attach_error = 0;
1590 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(&report_attach_error, 0, 1) == 0) {
1591 // Only report an attach error once
1592 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res);
1593 }
1594 } else {
1595 _attached = false;
1596 }
1597 }
1598 ~AttachDetach() {
1599 if (_attached && get_current_thread() != NULL) {
1600 extern struct JavaVM_ main_vm;
1601 jint res = main_vm.DetachCurrentThread();
1602 static volatile int report_detach_error = 0;
1603 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(&report_detach_error, 0, 1) == 0) {
1604 // Only report an attach error once
1605 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res);
1606 }
1607 }
1608 }
1609 };
1610
1611 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw))
1612 AttachDetach ad(env, base_thread);
1613 bool use_tty = true;
1614 if (base_thread == NULL) {
1615 if (!ad._attached) {
1616 // Can only use tty if the current thread is attached
1617 return 0;
1618 }
1619 base_thread = get_current_thread();
1620 }
1621 JVMCITraceMark jtm("writeDebugOutput");
1622 assert(base_thread->is_Java_thread(), "just checking");
1623 JavaThread* thread = (JavaThread*) base_thread;
1624 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length))
1625 if (bytes == NULL) {
1626 if (can_throw) {
1627 JVMCI_THROW_0(NullPointerException);
1628 }
1629 return -1;
1630 }
1631 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes);
1632
1633 // Check if offset and length are non negative.
1634 if (offset < 0 || length < 0) {
1635 if (can_throw) {
1636 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1637 }
1638 return -2;
1639 }
1640 // Check if the range is valid.
1641 int array_length = JVMCIENV->get_length(array);
1642 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) {
1643 if (can_throw) {
1644 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1645 }
1646 return -2;
1647 }
1648 jbyte buffer[O_BUFLEN];
1649 while (length > 0) {
1650 int copy_len = MIN2(length, (jint)O_BUFLEN);
1651 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len);
1652 tty->write((char*) buffer, copy_len);
1653 length -= O_BUFLEN;
1654 offset += O_BUFLEN;
1655 }
1656 if (flush) {
1657 tty->flush();
1658 }
1659 return 0;
1660 C2V_END
1661
1662 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject))
1663 tty->flush();
1664 C2V_END
1665
1666 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position))
1667 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1668 ProfileData* profile_data = mdo->data_at(position);
1669 if (mdo->is_valid(profile_data)) {
1670 return profile_data->size_in_bytes();
1671 }
1672 DataLayout* data = mdo->extra_data_base();
1673 DataLayout* end = mdo->extra_data_limit();
1674 for (;; data = mdo->next_extra(data)) {
1675 assert(data < end, "moved past end of extra data");
1676 profile_data = data->data_in();
1677 if (mdo->dp_to_di(profile_data->dp()) == position) {
1678 return profile_data->size_in_bytes();
1679 }
1680 }
1681 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position));
1682 C2V_END
1683
1684 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass))
1685 #if INCLUDE_AOT
1686 Klass *k = (Klass*) (address) metaspace_klass;
1687 if (k->is_instance_klass()) {
1688 return InstanceKlass::cast(k)->get_stored_fingerprint();
1689 } else {
1690 return 0;
1691 }
1692 #else
1693 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
1694 #endif
1695 C2V_END
1696
1697 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type))
1698 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type));
1699 InstanceKlass* host = k->unsafe_anonymous_host();
1700 JVMCIKlassHandle handle(THREAD, host);
1701 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
1702 return JVMCIENV->get_jobject(result);
1703 C2V_END
1704
1705 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type))
1706 if (jvmci_type == NULL) {
1707 JVMCI_THROW_0(NullPointerException);
1708 }
1709
1710 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1711 if (klass == NULL) {
1712 JVMCI_THROW_0(NullPointerException);
1713 }
1714 if (!klass->is_instance_klass()) {
1715 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
1716 }
1717 InstanceKlass* iklass = InstanceKlass::cast(klass);
1718
1719 // Regular instance klass, fill in all local interfaces
1720 int size = iklass->local_interfaces()->length();
1721 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL);
1722 for (int index = 0; index < size; index++) {
1723 JVMCIKlassHandle klass(THREAD);
1724 Klass* k = iklass->local_interfaces()->at(index);
1725 klass = k;
1726 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
1727 JVMCIENV->put_object_at(interfaces, index, type);
1728 }
1729 return JVMCIENV->get_jobject(interfaces);
1730 C2V_END
1731
1732 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type))
1733 if (jvmci_type == NULL) {
1734 JVMCI_THROW_0(NullPointerException);
1735 }
1736
1737 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1738 oop mirror = klass->java_mirror();
1739 if (java_lang_Class::is_primitive(mirror) ||
1740 !java_lang_Class::as_Klass(mirror)->is_array_klass()) {
1741 return NULL;
1742 }
1743
1744 oop component_mirror = java_lang_Class::component_mirror(mirror);
1745 if (component_mirror == NULL) {
1746 return NULL;
1747 }
1748 Klass* component_klass = java_lang_Class::as_Klass(component_mirror);
1749 if (component_klass != NULL) {
1750 JVMCIKlassHandle klass_handle(THREAD);
1751 klass_handle = component_klass;
1752 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
1753 return JVMCIENV->get_jobject(result);
1754 }
1755 BasicType type = java_lang_Class::primitive_type(component_mirror);
1756 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type);
1757 return JVMCIENV->get_jobject(result);
1758 C2V_END
1759
1760 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type))
1761 if (jvmci_type == NULL) {
1762 JVMCI_THROW(NullPointerException);
1763 }
1764
1765 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1766 if (klass != NULL && klass->should_be_initialized()) {
1767 InstanceKlass* k = InstanceKlass::cast(klass);
1768 k->initialize(CHECK);
1769 }
1770 C2V_END
1771
1772 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle))
1773 if (bytecode_frame_handle == NULL) {
1774 JVMCI_THROW_0(NullPointerException);
1775 }
1776
1777 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle);
1778 JVMCIObject bytecode_frame = top_bytecode_frame;
1779 int size = 0;
1780 int callee_parameters = 0;
1781 int callee_locals = 0;
1782 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1783 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1784
1785 while (bytecode_frame.is_non_null()) {
1786 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame);
1787 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1788 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame));
1789 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1790
1791 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1792 temps + callee_parameters,
1793 extra_args,
1794 locks,
1795 callee_parameters,
1796 callee_locals,
1797 is_top_frame);
1798 size += frame_size;
1799
1800 callee_parameters = method->size_of_parameters();
1801 callee_locals = method->max_locals();
1802 extra_args = 0;
1803 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame);
1804 }
1805 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1806 C2V_END
1807
1808 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle))
1809 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK);
1810 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1811 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode");
1812 JavaValue result(T_VOID);
1813 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1814 } else {
1815 JVMCI_THROW_MSG(IllegalArgumentException,
1816 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()))
1817 }
1818 C2V_END
1819
1820 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object))
1821 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1822 return obj->identity_hash();
1823 C2V_END
1824
1825 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object))
1826 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1827 if (!java_lang_String::is_instance(str())) {
1828 return false;
1829 }
1830 int len;
1831 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_0);
1832 return (StringTable::lookup(name, len) != NULL);
1833 C2V_END
1834
1835
1836 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object))
1837 if (object == NULL) {
1838 JVMCI_THROW_0(NullPointerException);
1839 }
1840 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
1841 BasicType type = java_lang_boxing_object::basic_type(box());
1842 jvalue result;
1843 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) {
1844 return NULL;
1845 }
1846 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL);
1847 return JVMCIENV->get_jobject(boxResult);
1848 C2V_END
1849
1850 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object))
1851 if (object == NULL) {
1852 JVMCI_THROW_0(NullPointerException);
1853 }
1854 JVMCIObject box = JVMCIENV->wrap(object);
1855 BasicType type = JVMCIENV->get_box_type(box);
1856 if (type == T_ILLEGAL) {
1857 return NULL;
1858 }
1859 jvalue value = JVMCIENV->get_boxed_value(type, box);
1860 JavaValue box_result(T_OBJECT);
1861 JavaCallArguments jargs;
1862 Klass* box_klass = NULL;
1863 Symbol* box_signature = NULL;
1864 #define BOX_CASE(bt, v, argtype, name) \
1865 case bt: \
1866 jargs.push_##argtype(value.v); \
1867 box_klass = SystemDictionary::name##_klass(); \
1868 box_signature = vmSymbols::name##_valueOf_signature(); \
1869 break
1870
1871 switch (type) {
1872 BOX_CASE(T_BOOLEAN, z, int, Boolean);
1873 BOX_CASE(T_BYTE, b, int, Byte);
1874 BOX_CASE(T_CHAR, c, int, Character);
1875 BOX_CASE(T_SHORT, s, int, Short);
1876 BOX_CASE(T_INT, i, int, Integer);
1877 BOX_CASE(T_LONG, j, long, Long);
1878 BOX_CASE(T_FLOAT, f, float, Float);
1879 BOX_CASE(T_DOUBLE, d, double, Double);
1880 default:
1881 ShouldNotReachHere();
1882 }
1883 #undef BOX_CASE
1884
1885 JavaCalls::call_static(&box_result,
1886 box_klass,
1887 vmSymbols::valueOf_name(),
1888 box_signature, &jargs, CHECK_NULL);
1889 oop hotspot_box = (oop) box_result.get_jobject();
1890 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false);
1891 return JVMCIENV->get_jobject(result);
1892 C2V_END
1893
1894 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder))
1895 if (holder == NULL) {
1896 JVMCI_THROW_0(NullPointerException);
1897 }
1898 Klass* klass = JVMCIENV->asKlass(holder);
1899 if (!klass->is_instance_klass()) {
1900 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1901 return JVMCIENV->get_jobjectArray(methods);
1902 }
1903
1904 InstanceKlass* iklass = InstanceKlass::cast(klass);
1905 // Ensure class is linked
1906 iklass->link_class(CHECK_NULL);
1907
1908 GrowableArray<Method*> constructors_array;
1909 for (int i = 0; i < iklass->methods()->length(); i++) {
1910 Method* m = iklass->methods()->at(i);
1911 if (m->is_initializer() && !m->is_static()) {
1912 constructors_array.append(m);
1913 }
1914 }
1915 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL);
1916 for (int i = 0; i < constructors_array.length(); i++) {
1917 methodHandle ctor(THREAD, constructors_array.at(i));
1918 JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL);
1919 JVMCIENV->put_object_at(methods, i, method);
1920 }
1921 return JVMCIENV->get_jobjectArray(methods);
1922 C2V_END
1923
1924 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder))
1925 if (holder == NULL) {
1926 JVMCI_THROW_0(NullPointerException);
1927 }
1928 Klass* klass = JVMCIENV->asKlass(holder);
1929 if (!klass->is_instance_klass()) {
1930 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1931 return JVMCIENV->get_jobjectArray(methods);
1932 }
1933
1934 InstanceKlass* iklass = InstanceKlass::cast(klass);
1935 // Ensure class is linked
1936 iklass->link_class(CHECK_NULL);
1937
1938 GrowableArray<Method*> methods_array;
1939 for (int i = 0; i < iklass->methods()->length(); i++) {
1940 Method* m = iklass->methods()->at(i);
1941 if (!m->is_initializer() && !m->is_overpass()) {
1942 methods_array.append(m);
1943 }
1944 }
1945 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL);
1946 for (int i = 0; i < methods_array.length(); i++) {
1947 methodHandle mh(THREAD, methods_array.at(i));
1948 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1949 JVMCIENV->put_object_at(methods, i, method);
1950 }
1951 return JVMCIENV->get_jobjectArray(methods);
1952 C2V_END
1953
1954 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile))
1955 if (object == NULL || field == NULL) {
1956 JVMCI_THROW_0(NullPointerException);
1957 }
1958 JVMCIObject field_object = JVMCIENV->wrap(field);
1959 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object);
1960 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object);
1961 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object));
1962 if (!holder->is_instance_klass()) {
1963 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name()));
1964 }
1965 InstanceKlass* ik = InstanceKlass::cast(holder);
1966 BasicType constant_type;
1967 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) {
1968 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL);
1969 } else {
1970 constant_type = T_OBJECT;
1971 }
1972 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object);
1973 fieldDescriptor fd;
1974 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) {
1975 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement));
1976 }
1977 JVMCIObject base = JVMCIENV->wrap(object);
1978 Handle obj;
1979 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) {
1980 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL);
1981 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) {
1982 Klass* klass = JVMCIENV->asKlass(base);
1983 obj = Handle(THREAD, klass->java_mirror());
1984 } else {
1985 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
1986 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base)));
1987 }
1988 jlong value = 0;
1989 JVMCIObject kind;
1990 switch (constant_type) {
1991 case T_OBJECT: {
1992 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement);
1993 JVMCIObject result = JVMCIENV->get_object_constant(object);
1994 if (result.is_null()) {
1995 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER());
1996 }
1997 return JVMCIENV->get_jobject(result);
1998 }
1999 case T_FLOAT: {
2000 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement);
2001 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL);
2002 return JVMCIENV->get_jobject(result);
2003 }
2004 case T_DOUBLE: {
2005 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement);
2006 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL);
2007 return JVMCIENV->get_jobject(result);
2008 }
2009 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break;
2010 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break;
2011 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break;
2012 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break;
2013 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break;
2014 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break;
2015 default:
2016 ShouldNotReachHere();
2017 }
2018 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL);
2019 return JVMCIENV->get_jobject(result);
2020 C2V_END
2021
2022 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object))
2023 if (object == NULL || holder == NULL) {
2024 JVMCI_THROW_0(NullPointerException);
2025 }
2026 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
2027 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2028 return obj->is_a(klass);
2029 C2V_END
2030
2031 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder))
2032 if (holder == NULL || otherHolder == NULL) {
2033 JVMCI_THROW_0(NullPointerException);
2034 }
2035 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2036 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder));
2037 return otherKlass->is_subtype_of(klass);
2038 C2V_END
2039
2040 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder))
2041 if (holder == NULL) {
2042 JVMCI_THROW_0(NullPointerException);
2043 }
2044 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder)));
2045 if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) {
2046 return true;
2047 }
2048 return false;
2049 C2V_END
2050
2051 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object))
2052 if (object == NULL) {
2053 JVMCI_THROW_0(NullPointerException);
2054 }
2055 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2056 if (java_lang_Class::is_instance(obj())) {
2057 if (java_lang_Class::is_primitive(obj())) {
2058 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj()));
2059 return JVMCIENV->get_jobject(type);
2060 }
2061 Klass* klass = java_lang_Class::as_Klass(obj());
2062 JVMCIKlassHandle klass_handle(THREAD);
2063 klass_handle = klass;
2064 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
2065 return JVMCIENV->get_jobject(type);
2066 }
2067 return NULL;
2068 C2V_END
2069
2070
2071 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object))
2072 if (object == NULL) {
2073 JVMCI_THROW_0(NullPointerException);
2074 }
2075 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2076 const char* str = java_lang_String::as_utf8_string(obj());
2077 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL);
2078 return JVMCIENV->get_jobject(result);
2079 C2V_END
2080
2081
2082 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle))
2083 if (x == NULL || y == NULL) {
2084 JVMCI_THROW_0(NullPointerException);
2085 }
2086 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle);
2087 C2V_END
2088
2089 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object))
2090 if (object == NULL) {
2091 JVMCI_THROW_0(NullPointerException);
2092 }
2093 JVMCIObject base_object = JVMCIENV->wrap(object);
2094 Handle mirror;
2095 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
2096 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror());
2097 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) {
2098 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL);
2099 } else {
2100 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2101 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
2102 }
2103 JVMCIObject result = JVMCIENV->get_object_constant(mirror());
2104 return JVMCIENV->get_jobject(result);
2105 C2V_END
2106
2107
2108 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x))
2109 if (x == NULL) {
2110 JVMCI_THROW_0(NullPointerException);
2111 }
2112 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2113 if (xobj->klass()->is_array_klass()) {
2114 return arrayOop(xobj())->length();
2115 }
2116 return -1;
2117 C2V_END
2118
2119
2120 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index))
2121 if (x == NULL) {
2122 JVMCI_THROW_0(NullPointerException);
2123 }
2124 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL);
2125 if (xobj->klass()->is_array_klass()) {
2126 arrayOop array = arrayOop(xobj());
2127 BasicType element_type = ArrayKlass::cast(array->klass())->element_type();
2128 if (index < 0 || index >= array->length()) {
2129 return NULL;
2130 }
2131 JVMCIObject result;
2132
2133 if (element_type == T_OBJECT) {
2134 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index));
2135 if (result.is_null()) {
2136 result = JVMCIENV->get_JavaConstant_NULL_POINTER();
2137 }
2138 } else {
2139 jvalue value;
2140 switch (element_type) {
2141 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break;
2142 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break;
2143 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break;
2144 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break;
2145 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break;
2146 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break;
2147 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break;
2148 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break;
2149 default: ShouldNotReachHere();
2150 }
2151 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL);
2152 }
2153 assert(!result.is_null(), "must have a value");
2154 return JVMCIENV->get_jobject(result);
2155 }
2156 return NULL;;
2157 C2V_END
2158
2159
2160 C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind))
2161 if (kind == NULL) {
2162 JVMCI_THROW_0(NullPointerException);
2163 }
2164 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2165 return arrayOopDesc::header_size(type) * HeapWordSize;
2166 C2V_END
2167
2168 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind))
2169 if (kind == NULL) {
2170 JVMCI_THROW_0(NullPointerException);
2171 }
2172 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2173 return type2aelembytes(type);
2174 C2V_END
2175
2176 C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement))
2177 if (x == NULL) {
2178 JVMCI_THROW_0(NullPointerException);
2179 }
2180 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2181 return xobj->byte_field(displacement);
2182 }
2183
2184 C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement))
2185 if (x == NULL) {
2186 JVMCI_THROW_0(NullPointerException);
2187 }
2188 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2189 return xobj->short_field(displacement);
2190 }
2191
2192 C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement))
2193 if (x == NULL) {
2194 JVMCI_THROW_0(NullPointerException);
2195 }
2196 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2197 return xobj->int_field(displacement);
2198 }
2199
2200 C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement))
2201 if (x == NULL) {
2202 JVMCI_THROW_0(NullPointerException);
2203 }
2204 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2205 return xobj->long_field(displacement);
2206 }
2207
2208 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement))
2209 if (x == NULL) {
2210 JVMCI_THROW_0(NullPointerException);
2211 }
2212 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2213 oop res = xobj->obj_field(displacement);
2214 JVMCIObject result = JVMCIENV->get_object_constant(res);
2215 return JVMCIENV->get_jobject(result);
2216 }
2217
2218 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h))
2219 jobject handle = (jobject)(address)h;
2220 if (handle != NULL) {
2221 JVMCI::destroy_global(handle);
2222 }
2223 }
2224
2225 static void requireJVMCINativeLibrary(JVMCI_TRAPS) {
2226 if (!UseJVMCINativeLibrary) {
2227 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)");
2228 }
2229 }
2230
2231 static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) {
2232 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2233 if (javaVM == NULL) {
2234 JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller));
2235 }
2236 return javaVM;
2237 }
2238
2239 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror))
2240 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2241 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL);
2242 void* shared_library = JVMCIEnv::get_shared_library_handle();
2243 if (shared_library == NULL) {
2244 // Ensure the JVMCI shared library runtime is initialized.
2245 JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__);
2246 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2247 HandleMark hm;
2248 JVMCIRuntime* runtime = JVMCI::compiler_runtime();
2249 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv);
2250 if (peerEnv->has_pending_exception()) {
2251 peerEnv->describe_pending_exception(true);
2252 }
2253 shared_library = JVMCIEnv::get_shared_library_handle();
2254 if (shared_library == NULL) {
2255 JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime");
2256 }
2257 }
2258
2259 if (mirror == NULL) {
2260 JVMCI_THROW_0(NullPointerException);
2261 }
2262 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
2263 if (klass == NULL || !klass->is_instance_klass()) {
2264 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type");
2265 }
2266
2267 InstanceKlass* iklass = InstanceKlass::cast(klass);
2268 for (int i = 0; i < iklass->methods()->length(); i++) {
2269 methodHandle method(THREAD, iklass->methods()->at(i));
2270 if (method->is_native()) {
2271
2272 // Compute argument size
2273 int args_size = 1 // JNIEnv
2274 + (method->is_static() ? 1 : 0) // class for static methods
2275 + method->size_of_parameters(); // actual parameters
2276
2277 // 1) Try JNI short style
2278 stringStream st;
2279 char* pure_name = NativeLookup::pure_jni_name(method);
2280 os::print_jni_name_prefix_on(&st, args_size);
2281 st.print_raw(pure_name);
2282 os::print_jni_name_suffix_on(&st, args_size);
2283 char* jni_name = st.as_string();
2284
2285 address entry = (address) os::dll_lookup(shared_library, jni_name);
2286 if (entry == NULL) {
2287 // 2) Try JNI long style
2288 st.reset();
2289 char* long_name = NativeLookup::long_jni_name(method);
2290 os::print_jni_name_prefix_on(&st, args_size);
2291 st.print_raw(pure_name);
2292 st.print_raw(long_name);
2293 os::print_jni_name_suffix_on(&st, args_size);
2294 char* jni_long_name = st.as_string();
2295 entry = (address) os::dll_lookup(shared_library, jni_long_name);
2296 if (entry == NULL) {
2297 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]",
2298 method->name_and_sig_as_C_string(),
2299 jni_name, jni_long_name, JVMCIEnv::get_shared_library_path()));
2300 }
2301 }
2302
2303 if (method->has_native_function() && entry != method->native_function()) {
2304 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]",
2305 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry)));
2306 }
2307 method->set_native_function(entry, Method::native_bind_event_is_interesting);
2308 log_debug(jni, resolve)("[Dynamic-linking native method %s.%s ... JNI]",
2309 method->method_holder()->external_name(),
2310 method->name()->as_C_string());
2311 }
2312 }
2313
2314 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2315 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL);
2316 JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM);
2317 JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0);
2318 JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1);
2319 JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2);
2320 return (jlongArray) JVMCIENV->get_jobject(result);
2321 }
2322
2323 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm))
2324 if (base_thread == NULL) {
2325 // Called from unattached JVMCI shared library thread
2326 return false;
2327 }
2328 JVMCITraceMark jtm("isCurrentThreadAttached");
2329 assert(base_thread->is_Java_thread(), "just checking");
2330 JavaThread* thread = (JavaThread*) base_thread;
2331 if (thread->jni_environment() == env) {
2332 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject))
2333 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2334 JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0);
2335 JNIEnv* peerEnv;
2336 return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK;
2337 }
2338 return true;
2339 C2V_END
2340
2341 C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm))
2342 if (base_thread == NULL) {
2343 // Called from unattached JVMCI shared library thread
2344 return 0L;
2345 }
2346 JVMCITraceMark jtm("getCurrentJavaThread");
2347 assert(base_thread->is_Java_thread(), "just checking");
2348 return (jlong) p2i(base_thread);
2349 C2V_END
2350
2351 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon))
2352 if (base_thread == NULL) {
2353 // Called from unattached JVMCI shared library thread
2354 extern struct JavaVM_ main_vm;
2355 JNIEnv* hotspotEnv;
2356 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) :
2357 main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
2358 if (res != JNI_OK) {
2359 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false);
2360 }
2361 return true;
2362 }
2363 JVMCITraceMark jtm("attachCurrentThread");
2364 assert(base_thread->is_Java_thread(), "just checking");\
2365 JavaThread* thread = (JavaThread*) base_thread;
2366 if (thread->jni_environment() == env) {
2367 // Called from HotSpot
2368 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean))
2369 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2370 JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0);
2371 JavaVMAttachArgs attach_args;
2372 attach_args.version = JNI_VERSION_1_2;
2373 attach_args.name = thread->name();
2374 attach_args.group = NULL;
2375 JNIEnv* peerEnv;
2376 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) {
2377 return false;
2378 }
2379 jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) :
2380 javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args);
2381 if (res == JNI_OK) {
2382 guarantee(peerEnv != NULL, "must be");
2383 return true;
2384 }
2385 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name));
2386 }
2387 // Called from JVMCI shared library
2388 return false;
2389 C2V_END
2390
2391 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm))
2392 if (base_thread == NULL) {
2393 // Called from unattached JVMCI shared library thread
2394 JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread"));
2395 }
2396 JVMCITraceMark jtm("detachCurrentThread");
2397 assert(base_thread->is_Java_thread(), "just checking");\
2398 JavaThread* thread = (JavaThread*) base_thread;
2399 if (thread->jni_environment() == env) {
2400 // Called from HotSpot
2401 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject))
2402 requireJVMCINativeLibrary(JVMCI_CHECK);
2403 requireInHotSpot("detachCurrentThread", JVMCI_CHECK);
2404 JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK);
2405 JNIEnv* peerEnv;
2406 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) {
2407 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name()));
2408 }
2409 jint res = javaVM->DetachCurrentThread();
2410 if (res != JNI_OK) {
2411 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name()));
2412 }
2413 } else {
2414 // Called from attached JVMCI shared library thread
2415 extern struct JavaVM_ main_vm;
2416 jint res = main_vm.DetachCurrentThread();
2417 if (res != JNI_OK) {
2418 JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread"));
2419 }
2420 }
2421 C2V_END
2422
2423 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle))
2424 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2425 if (obj_handle == NULL) {
2426 return 0L;
2427 }
2428 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__);
2429 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2430 JVMCIEnv* thisEnv = JVMCIENV;
2431
2432 JVMCIObject obj = thisEnv->wrap(obj_handle);
2433 JVMCIObject result;
2434 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) {
2435 methodHandle method(THREAD, thisEnv->asMethod(obj));
2436 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0);
2437 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) {
2438 Klass* klass = thisEnv->asKlass(obj);
2439 JVMCIKlassHandle klass_handle(THREAD);
2440 klass_handle = klass;
2441 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0);
2442 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) {
2443 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0);
2444 result = peerEnv->get_jvmci_primitive_type(type);
2445 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) ||
2446 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) {
2447 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0);
2448 result = peerEnv->get_object_constant(constant());
2449 } else if (thisEnv->isa_HotSpotNmethod(obj)) {
2450 nmethod* nm = thisEnv->asNmethod(obj);
2451 if (nm != NULL) {
2452 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2453 if (data != NULL) {
2454 if (peerEnv->is_hotspot()) {
2455 // Only the mirror in the HotSpot heap is accessible
2456 // through JVMCINMethodData
2457 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true);
2458 if (nmethod_mirror != NULL) {
2459 result = HotSpotJVMCI::wrap(nmethod_mirror);
2460 }
2461 }
2462 }
2463 }
2464 if (result.is_null()) {
2465 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj);
2466 methodHandle mh(THREAD, thisEnv->asMethod(methodObject));
2467 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj);
2468 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj);
2469 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj);
2470 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string);
2471 // Create a new HotSpotNmethod instance in the peer runtime
2472 result = peerEnv->new_HotSpotNmethod(mh, cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0);
2473 if (nm == NULL) {
2474 // nmethod must have been unloaded
2475 } else {
2476 // Link the new HotSpotNmethod to the nmethod
2477 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0);
2478 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime.
2479 if (peerEnv->is_hotspot()) {
2480 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2481 if (data == NULL) {
2482 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod");
2483 }
2484 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) {
2485 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod");
2486 }
2487 oop nmethod_mirror = HotSpotJVMCI::resolve(result);
2488 data->set_nmethod_mirror(nm, nmethod_mirror);
2489 }
2490 }
2491 }
2492 } else {
2493 JVMCI_THROW_MSG_0(IllegalArgumentException,
2494 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj)));
2495 }
2496 return (jlong) peerEnv->make_global(result).as_jobject();
2497 }
2498
2499 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle))
2500 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2501 if (obj_handle == 0L) {
2502 return NULL;
2503 }
2504 jobject global_handle = (jobject) obj_handle;
2505 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle);
2506 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject();
2507
2508 JVMCIENV->destroy_global(global_handle_obj);
2509 return result;
2510 }
2511
2512 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle))
2513 JVMCIObject code = JVMCIENV->wrap(code_handle);
2514 // Execute this operation for the side effect of updating the InstalledCode state
2515 JVMCIENV->asNmethod(code);
2516 }
2517
2518 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle))
2519 JVMCIObject code = JVMCIENV->wrap(code_handle);
2520 CodeBlob* cb = JVMCIENV->asCodeBlob(code);
2521 if (cb == NULL) {
2522 return NULL;
2523 }
2524 int code_size = cb->code_size();
2525 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
2526 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size);
2527 return JVMCIENV->get_jbyteArray(result);
2528 }
2529
2530 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
2531 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL);
2532 methodHandle m(THREAD, JVMCIENV->asMethod(jvmci_method));
2533 oop executable;
2534 if (m->is_initializer()) {
2535 if (m->is_static_initializer()) {
2536 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2537 "Cannot create java.lang.reflect.Method for class initializer");
2538 }
2539 executable = Reflection::new_constructor(m, CHECK_NULL);
2540 } else {
2541 executable = Reflection::new_method(m, false, CHECK_NULL);
2542 }
2543 return JNIHandles::make_local(THREAD, executable);
2544 }
2545
2546 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
2547 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL);
2548 Klass* klass = JVMCIENV->asKlass(jvmci_type);
2549 if (!klass->is_instance_klass()) {
2550 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2551 err_msg("Expected non-primitive type, got %s", klass->external_name()));
2552 }
2553 InstanceKlass* iklass = InstanceKlass::cast(klass);
2554 Array<u2>* fields = iklass->fields();
2555 if (index < 0 ||index > fields->length()) {
2556 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2557 err_msg("Field index %d out of bounds for %s", index, klass->external_name()));
2558 }
2559 fieldDescriptor fd(iklass, index);
2560 oop reflected = Reflection::new_field(&fd, CHECK_NULL);
2561 return JNIHandles::make_local(env, reflected);
2562 }
2563
2564 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current))
2565 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address);
2566 int result_length = 0;
2567 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) {
2568 result_length++;
2569 }
2570 int current_length = 0;
2571 JVMCIObjectArray current_array = NULL;
2572 if (current != NULL) {
2573 current_array = JVMCIENV->wrap(current);
2574 current_length = JVMCIENV->get_length(current_array);
2575 if (current_length == result_length) {
2576 // No new failures
2577 return current;
2578 }
2579 }
2580 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL);
2581 int result_index = 0;
2582 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) {
2583 assert(fs != NULL, "npe");
2584 JVMCIPrimitiveArray entry;
2585 if (result_index < current_length) {
2586 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index);
2587 } else {
2588 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL);
2589 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len());
2590 }
2591 JVMCIENV->put_object_at(result, result_index++, entry);
2592 }
2593 return JVMCIENV->get_jobjectArray(result);
2594 }
2595
2596 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method))
2597 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
2598 MethodData* method_data = method->method_data();
2599 if (method_data == NULL) {
2600 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
2601 method_data = MethodData::allocate(loader_data, method, CHECK_0);
2602 method->set_method_data(method_data);
2603 }
2604 return (jlong) method_data->get_failed_speculations_address();
2605 }
2606
2607 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address))
2608 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address);
2609 }
2610
2611 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj))
2612 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj);
2613 int speculation_len = JVMCIENV->get_length(speculation_handle);
2614 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len);
2615 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len);
2616 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len);
2617 }
2618
2619 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status))
2620 JavaValue result(T_VOID);
2621 JavaCallArguments jargs(1);
2622 jargs.push_int(status);
2623 JavaCalls::call_static(&result,
2624 SystemDictionary::System_klass(),
2625 vmSymbols::exit_method_name(),
2626 vmSymbols::int_void_signature(),
2627 &jargs,
2628 CHECK);
2629 }
2630
2631 #define CC (char*) /*cast a literal from (const char*)*/
2632 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
2633
2634 #define STRING "Ljava/lang/String;"
2635 #define OBJECT "Ljava/lang/Object;"
2636 #define CLASS "Ljava/lang/Class;"
2637 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;"
2638 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;"
2639 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
2640 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
2641 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
2642 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
2643 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
2644 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;"
2645 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
2646 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
2647 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
2648 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
2649 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;"
2650 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;"
2651 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;"
2652 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;"
2653 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
2654 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
2655 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
2656 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
2657 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
2658 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
2659 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;"
2660 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;"
2661 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;"
2662 #define METASPACE_METHOD_DATA "J"
2663
2664 JNINativeMethod CompilerToVM::methods[] = {
2665 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
2666 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
2667 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
2668 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
2669 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
2670 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
2671 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
2672 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
2673 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
2674 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
2675 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
2676 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)},
2677 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)},
2678 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)},
2679 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
2680 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
2681 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
2682 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
2683 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
2684 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)},
2685 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
2686 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
2687 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)},
2688 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
2689 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
2690 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
2691 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
2692 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
2693 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
2694 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
2695 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
2696 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
2697 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
2698 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
2699 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
2700 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
2701 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
2702 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)},
2703 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
2704 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)},
2705 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
2706 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
2707 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
2708 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)},
2709 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
2710 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
2711 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
2712 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
2713 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)},
2714 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)},
2715 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
2716 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)},
2717 {CC "setCountersSize", CC "(I)V", FN_PTR(setCountersSize)},
2718 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
2719 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
2720 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
2721 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
2722 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
2723 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
2724 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
2725 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)},
2726 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
2727 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
2728 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
2729 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
2730 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
2731 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)},
2732 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
2733 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)},
2734 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)},
2735 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)},
2736 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)},
2737 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)},
2738 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)},
2739 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)},
2740 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)},
2741 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)},
2742 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)},
2743 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2744 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2745 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)},
2746 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)},
2747 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)},
2748 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)},
2749 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)},
2750 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)},
2751 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)},
2752 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)},
2753 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)},
2754 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)},
2755 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)},
2756 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)},
2757 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)},
2758 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)},
2759 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)},
2760 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)},
2761 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)},
2762 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)},
2763 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)},
2764 {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)},
2765 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)},
2766 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)},
2767 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)},
2768 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)},
2769 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)},
2770 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)},
2771 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)},
2772 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)},
2773 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)},
2774 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)},
2775 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)},
2776 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)},
2777 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)},
2778 };
2779
2780 int CompilerToVM::methods_count() {
2781 return sizeof(methods) / sizeof(JNINativeMethod);
2782 }