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