1 /*
2 * Copyright (c) 2011, 2015, 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 "code/codeCache.hpp"
26 #include "code/scopeDesc.hpp"
27 #include "interpreter/linkResolver.hpp"
28 #include "memory/oopFactory.hpp"
29 #include "oops/generateOopMap.hpp"
30 #include "oops/fieldStreams.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "oops/objArrayOop.inline.hpp"
33 #include "runtime/fieldDescriptor.hpp"
34 #include "runtime/javaCalls.hpp"
35 #include "jvmci/jvmciRuntime.hpp"
36 #include "compiler/abstractCompiler.hpp"
37 #include "compiler/compileBroker.hpp"
38 #include "compiler/compilerOracle.hpp"
39 #include "compiler/disassembler.hpp"
40 #include "compiler/oopMap.hpp"
41 #include "jvmci/jvmciCompilerToVM.hpp"
42 #include "jvmci/jvmciCompiler.hpp"
43 #include "jvmci/jvmciEnv.hpp"
44 #include "jvmci/jvmciJavaClasses.hpp"
45 #include "jvmci/jvmciCodeInstaller.hpp"
46 #include "jvmci/vmStructs_jvmci.hpp"
47 #include "gc/g1/heapRegion.hpp"
48 #include "runtime/javaCalls.hpp"
49 #include "runtime/deoptimization.hpp"
50 #include "runtime/vframe.hpp"
51 #include "runtime/vframe_hp.hpp"
52 #include "runtime/vmStructs.hpp"
53
54
55 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
56 #define C2V_VMENTRY(result_type, name, signature) \
57 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
58 TRACE_jvmci_1("CompilerToVM::" #name); \
59 TRACE_CALL(result_type, jvmci_ ## name signature) \
60 JVMCI_VM_ENTRY_MARK; \
61
62 #define C2V_END }
63
64 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
65 if (method() != NULL) {
66 JavaValue result(T_OBJECT);
67 JavaCallArguments args;
68 args.push_long((jlong) (address) method());
69 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
70
71 return (oop)result.get_jobject();
72 }
73 return NULL;
74 }
75
76 oop CompilerToVM::get_jvmci_type(KlassHandle klass, TRAPS) {
77 if (klass() != NULL) {
78 JavaValue result(T_OBJECT);
79 JavaCallArguments args;
80 args.push_oop(klass->java_mirror());
81 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
82
83 return (oop)result.get_jobject();
84 }
85 return NULL;
86 }
87
88 extern "C" {
89 extern VMStructEntry* jvmciHotSpotVMStructs;
90 extern uint64_t jvmciHotSpotVMStructEntryTypeNameOffset;
91 extern uint64_t jvmciHotSpotVMStructEntryFieldNameOffset;
92 extern uint64_t jvmciHotSpotVMStructEntryTypeStringOffset;
93 extern uint64_t jvmciHotSpotVMStructEntryIsStaticOffset;
94 extern uint64_t jvmciHotSpotVMStructEntryOffsetOffset;
95 extern uint64_t jvmciHotSpotVMStructEntryAddressOffset;
96 extern uint64_t jvmciHotSpotVMStructEntryArrayStride;
97
98 extern VMTypeEntry* jvmciHotSpotVMTypes;
99 extern uint64_t jvmciHotSpotVMTypeEntryTypeNameOffset;
100 extern uint64_t jvmciHotSpotVMTypeEntrySuperclassNameOffset;
101 extern uint64_t jvmciHotSpotVMTypeEntryIsOopTypeOffset;
102 extern uint64_t jvmciHotSpotVMTypeEntryIsIntegerTypeOffset;
103 extern uint64_t jvmciHotSpotVMTypeEntryIsUnsignedOffset;
104 extern uint64_t jvmciHotSpotVMTypeEntrySizeOffset;
105 extern uint64_t jvmciHotSpotVMTypeEntryArrayStride;
106
107 extern VMIntConstantEntry* jvmciHotSpotVMIntConstants;
108 extern uint64_t jvmciHotSpotVMIntConstantEntryNameOffset;
109 extern uint64_t jvmciHotSpotVMIntConstantEntryValueOffset;
110 extern uint64_t jvmciHotSpotVMIntConstantEntryArrayStride;
111
112 extern VMLongConstantEntry* jvmciHotSpotVMLongConstants;
113 extern uint64_t jvmciHotSpotVMLongConstantEntryNameOffset;
114 extern uint64_t jvmciHotSpotVMLongConstantEntryValueOffset;
115 extern uint64_t jvmciHotSpotVMLongConstantEntryArrayStride;
116
117 extern VMAddressEntry* jvmciHotSpotVMAddresses;
118 extern uint64_t jvmciHotSpotVMAddressEntryNameOffset;
119 extern uint64_t jvmciHotSpotVMAddressEntryValueOffset;
120 extern uint64_t jvmciHotSpotVMAddressEntryArrayStride;
121 }
122
123 int CompilerToVM::Data::InstanceKlass_vtable_start_offset;
124 int CompilerToVM::Data::InstanceKlass_vtable_length_offset;
125
126 int CompilerToVM::Data::Method_extra_stack_entries;
127
128 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
129 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
130 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
131 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
132
133 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
134
135 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
136 int CompilerToVM::Data::Universe_base_vtable_size;
137 address CompilerToVM::Data::Universe_narrow_oop_base;
138 int CompilerToVM::Data::Universe_narrow_oop_shift;
139 address CompilerToVM::Data::Universe_narrow_klass_base;
140 int CompilerToVM::Data::Universe_narrow_klass_shift;
141 void* CompilerToVM::Data::Universe_non_oop_bits;
142 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
143 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
144
145 bool CompilerToVM::Data::_supports_inline_contig_alloc;
146 HeapWord** CompilerToVM::Data::_heap_end_addr;
147 HeapWord** CompilerToVM::Data::_heap_top_addr;
148
149 jbyte* CompilerToVM::Data::cardtable_start_address;
150 int CompilerToVM::Data::cardtable_shift;
151
152 void CompilerToVM::Data::initialize() {
153 InstanceKlass_vtable_start_offset = InstanceKlass::vtable_start_offset();
154 InstanceKlass_vtable_length_offset = InstanceKlass::vtable_length_offset() * HeapWordSize;
155
156 Method_extra_stack_entries = Method::extra_stack_entries();
157
158 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
159 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
160 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
161 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
162
163 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
164
165 Universe_collectedHeap = Universe::heap();
166 Universe_base_vtable_size = Universe::base_vtable_size();
167 Universe_narrow_oop_base = Universe::narrow_oop_base();
168 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
169 Universe_narrow_klass_base = Universe::narrow_klass_base();
170 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
171 Universe_non_oop_bits = Universe::non_oop_word();
172 Universe_verify_oop_mask = Universe::verify_oop_mask();
173 Universe_verify_oop_bits = Universe::verify_oop_bits();
174
175 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
176 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
177 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord**) -1;
178
179 BarrierSet* bs = Universe::heap()->barrier_set();
180 switch (bs->kind()) {
181 case BarrierSet::CardTableModRef:
182 case BarrierSet::CardTableForRS:
183 case BarrierSet::CardTableExtension:
184 case BarrierSet::G1SATBCT:
185 case BarrierSet::G1SATBCTLogging: {
186 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
187 assert(base != 0, "unexpected byte_map_base");
188 cardtable_start_address = base;
189 cardtable_shift = CardTableModRefBS::card_shift;
190 break;
191 }
192 case BarrierSet::ModRef:
193 cardtable_start_address = 0;
194 cardtable_shift = 0;
195 // No post barriers
196 break;
197 default:
198 ShouldNotReachHere();
199 break;
200 }
201 }
202
203 /**
204 * We put all jvmciHotSpotVM values in an array so we can read them easily from Java.
205 */
206 static uintptr_t ciHotSpotVMData[28];
207
208 C2V_VMENTRY(jlong, initializeConfiguration, (JNIEnv *env, jobject))
209 ciHotSpotVMData[0] = (uintptr_t) jvmciHotSpotVMStructs;
210 ciHotSpotVMData[1] = jvmciHotSpotVMStructEntryTypeNameOffset;
211 ciHotSpotVMData[2] = jvmciHotSpotVMStructEntryFieldNameOffset;
212 ciHotSpotVMData[3] = jvmciHotSpotVMStructEntryTypeStringOffset;
213 ciHotSpotVMData[4] = jvmciHotSpotVMStructEntryIsStaticOffset;
214 ciHotSpotVMData[5] = jvmciHotSpotVMStructEntryOffsetOffset;
215 ciHotSpotVMData[6] = jvmciHotSpotVMStructEntryAddressOffset;
216 ciHotSpotVMData[7] = jvmciHotSpotVMStructEntryArrayStride;
217
218 ciHotSpotVMData[8] = (uintptr_t) jvmciHotSpotVMTypes;
219 ciHotSpotVMData[9] = jvmciHotSpotVMTypeEntryTypeNameOffset;
220 ciHotSpotVMData[10] = jvmciHotSpotVMTypeEntrySuperclassNameOffset;
221 ciHotSpotVMData[11] = jvmciHotSpotVMTypeEntryIsOopTypeOffset;
222 ciHotSpotVMData[12] = jvmciHotSpotVMTypeEntryIsIntegerTypeOffset;
223 ciHotSpotVMData[13] = jvmciHotSpotVMTypeEntryIsUnsignedOffset;
224 ciHotSpotVMData[14] = jvmciHotSpotVMTypeEntrySizeOffset;
225 ciHotSpotVMData[15] = jvmciHotSpotVMTypeEntryArrayStride;
226
227 ciHotSpotVMData[16] = (uintptr_t) jvmciHotSpotVMIntConstants;
228 ciHotSpotVMData[17] = jvmciHotSpotVMIntConstantEntryNameOffset;
229 ciHotSpotVMData[18] = jvmciHotSpotVMIntConstantEntryValueOffset;
230 ciHotSpotVMData[19] = jvmciHotSpotVMIntConstantEntryArrayStride;
231
232 ciHotSpotVMData[20] = (uintptr_t) jvmciHotSpotVMLongConstants;
233 ciHotSpotVMData[21] = jvmciHotSpotVMLongConstantEntryNameOffset;
234 ciHotSpotVMData[22] = jvmciHotSpotVMLongConstantEntryValueOffset;
235 ciHotSpotVMData[23] = jvmciHotSpotVMLongConstantEntryArrayStride;
236
237 ciHotSpotVMData[24] = (uintptr_t) jvmciHotSpotVMAddresses;
238 ciHotSpotVMData[25] = jvmciHotSpotVMAddressEntryNameOffset;
239 ciHotSpotVMData[26] = jvmciHotSpotVMAddressEntryValueOffset;
240 ciHotSpotVMData[27] = jvmciHotSpotVMAddressEntryArrayStride;
241
242 CompilerToVM::Data::initialize();
243
244 return (jlong) (address) &ciHotSpotVMData;
245 C2V_END
246
247 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
248 methodHandle method = CompilerToVM::asMethod(jvmci_method);
249 ResourceMark rm;
250
251 int code_size = method->code_size();
252 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
253
254 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
255 // iterate over all bytecodes and replace non-Java bytecodes
256
257 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
258 Bytecodes::Code code = s.code();
259 Bytecodes::Code raw_code = s.raw_code();
260 int bci = s.bci();
261 int len = s.instruction_size();
262
263 // Restore original byte code.
264 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
265 if (len > 1) {
266 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
267 }
268
269 if (len > 1) {
270 // Restore the big-endian constant pool indexes.
271 // Cf. Rewriter::scan_method
272 switch (code) {
273 case Bytecodes::_getstatic:
274 case Bytecodes::_putstatic:
275 case Bytecodes::_getfield:
276 case Bytecodes::_putfield:
277 case Bytecodes::_invokevirtual:
278 case Bytecodes::_invokespecial:
279 case Bytecodes::_invokestatic:
280 case Bytecodes::_invokeinterface:
281 case Bytecodes::_invokehandle: {
282 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
283 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
284 break;
285 }
286
287 case Bytecodes::_invokedynamic:
288 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
289 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
290 break;
291 }
292
293 // Not all ldc byte code are rewritten.
294 switch (raw_code) {
295 case Bytecodes::_fast_aldc: {
296 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
297 int cp_index = method->constants()->object_to_cp_index(cpc_index);
298 assert(cp_index < method->constants()->length(), "sanity check");
299 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
300 break;
301 }
302
303 case Bytecodes::_fast_aldc_w: {
304 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
305 int cp_index = method->constants()->object_to_cp_index(cpc_index);
306 assert(cp_index < method->constants()->length(), "sanity check");
307 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
308 break;
309 }
310 }
311 }
312 }
313
314 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
315 C2V_END
316
317 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
318 ResourceMark rm;
319 methodHandle method = CompilerToVM::asMethod(jvmci_method);
320 return method->exception_table_length();
321 C2V_END
322
323 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
324 ResourceMark rm;
325 methodHandle method = CompilerToVM::asMethod(jvmci_method);
326 if (method->exception_table_length() == 0) {
327 return 0L;
328 }
329 return (jlong) (address) method->exception_table_start();
330 C2V_END
331
332 C2V_VMENTRY(jobject, getResolvedJavaMethodAtSlot, (JNIEnv *, jobject, jclass holder_handle, jint slot))
333 oop java_class = JNIHandles::resolve(holder_handle);
334 Klass* holder = java_lang_Class::as_Klass(java_class);
335 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
336 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
337 return JNIHandles::make_local(THREAD, result);
338 }
339
340 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
341 methodHandle method;
342 oop base_object = JNIHandles::resolve(base);
343 if (base_object == NULL) {
344 method = *((Method**)(offset));
345 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) {
346 method = (Method*) (intptr_t) base_object->long_field(offset);
347 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
348 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
349 } else {
350 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
351 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
352 }
353 assert (method.is_null() || method->is_method(), "invalid read");
354 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
355 return JNIHandles::make_local(THREAD, result);
356 }
357
358 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject base, jlong offset))
359 constantPoolHandle cp;
360 oop base_object = JNIHandles::resolve(base);
361 jlong base_address = 0;
362 if (base_object != NULL) {
363 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
364 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
365 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
366 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
367 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
368 base_address = (jlong) CompilerToVM::asKlass(base_object);
369 } else {
370 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
371 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
372 }
373 }
374 cp = *((ConstantPool**) (intptr_t) (base_address + offset));
375 if (!cp.is_null()) {
376 JavaValue method_result(T_OBJECT);
377 JavaCallArguments args;
378 args.push_long((jlong) (address) cp());
379 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
380 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
381 }
382 return NULL;
383 }
384
385 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
386 KlassHandle klass;
387 oop base_object = JNIHandles::resolve(base);
388 jlong base_address = 0;
389 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
390 klass = base_object->klass();
391 } else if (!compressed) {
392 if (base_object != NULL) {
393 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
394 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
395 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
396 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
397 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
398 base_address = (jlong) CompilerToVM::asKlass(base_object);
399 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
400 base_address = (jlong) (address) base_object;
401 } else {
402 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
403 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
404 }
405 }
406 klass = *((Klass**) (intptr_t) (base_address + offset));
407 } else {
408 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
409 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
410 }
411 assert (klass.is_null() || klass->is_klass(), "invalid read");
412 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
413 return JNIHandles::make_local(THREAD, result);
414 }
415
416 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
417 ResourceMark rm;
418 methodHandle method = CompilerToVM::asMethod(jvmci_method);
419 KlassHandle holder = CompilerToVM::asKlass(jvmci_type);
420 if (holder->is_interface()) {
421 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
422 }
423
424 methodHandle ucm;
425 {
426 MutexLocker locker(Compile_lock);
427 ucm = Dependencies::find_unique_concrete_method(holder(), method());
428 }
429 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
430 return JNIHandles::make_local(THREAD, result);
431 C2V_END
432
433 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
434 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
435 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
436 return JNIHandles::make_local(THREAD, implementor);
437 C2V_END
438
439 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
440 methodHandle method = CompilerToVM::asMethod(jvmci_method);
441 return method->is_ignored_by_security_stack_walk();
442 C2V_END
443
444 C2V_VMENTRY(jboolean, canInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
445 methodHandle method = CompilerToVM::asMethod(jvmci_method);
446 return !method->is_not_compilable() && !CompilerOracle::should_not_inline(method) && !method->dont_inline();
447 C2V_END
448
449 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
450 methodHandle method = CompilerToVM::asMethod(jvmci_method);
451 return CompilerOracle::should_inline(method) || method->force_inline();
452 C2V_END
453
454 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
455 ResourceMark rm;
456 Handle name = JNIHandles::resolve(jname);
457 Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0);
458 if (java_lang_String::length(name()) <= 1) {
459 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
460 }
461
462 Klass* resolved_klass = NULL;
463 Handle class_loader;
464 Handle protection_domain;
465 if (JNIHandles::resolve(accessing_class) == NULL) {
466 THROW_0(vmSymbols::java_lang_NullPointerException());
467 }
468 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
469 class_loader = accessing_klass->class_loader();
470 protection_domain = accessing_klass->protection_domain();
471
472 if (resolve) {
473 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
474 } else {
475 if (class_name->byte_at(0) == 'L' &&
476 class_name->byte_at(class_name->utf8_length()-1) == ';') {
477 // This is a name from a signature. Strip off the trimmings.
478 // Call recursive to keep scope of strippedsym.
479 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
480 class_name->utf8_length()-2,
481 CHECK_0);
482 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
483 } else if (FieldType::is_array(class_name)) {
484 FieldArrayInfo fd;
485 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
486 // of this call
487 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
488 if (t == T_OBJECT) {
489 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
490 class_name->utf8_length()-2-fd.dimension(),
491 CHECK_0);
492 // naked oop "k" is OK here -- we assign back into it
493 resolved_klass = SystemDictionary::find(strippedsym,
494 class_loader,
495 protection_domain,
496 CHECK_0);
497 if (resolved_klass != NULL) {
498 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
499 }
500 } else {
501 resolved_klass = Universe::typeArrayKlassObj(t);
502 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
503 }
504 }
505 }
506 Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
507 return JNIHandles::make_local(THREAD, result());
508 C2V_END
509
510 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
511 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
512 oop result = cp->resolve_constant_at(index, CHECK_NULL);
513 return JNIHandles::make_local(THREAD, result);
514 C2V_END
515
516 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
517 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
518 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
519 return JNIHandles::make_local(THREAD, result);
520 C2V_END
521
522 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
523 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
524 return cp->name_and_type_ref_index_at(index);
525 C2V_END
526
527 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
528 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
529 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
530 return JNIHandles::make_local(THREAD, sym());
531 C2V_END
532
533 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
534 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
535 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
536 return JNIHandles::make_local(THREAD, sym());
537 C2V_END
538
539 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
540 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
541 return cp->klass_ref_index_at(index);
542 C2V_END
543
544 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
545 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
546 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
547 Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
548 return JNIHandles::make_local(THREAD, klass());
549 C2V_END
550
551 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
552 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
553 KlassHandle loading_klass(cp->pool_holder());
554 bool is_accessible = false;
555 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
556 Symbol* symbol = NULL;
557 if (klass.is_null()) {
558 symbol = cp->klass_name_at(index);
559 }
560 Handle result;
561 if (!klass.is_null()) {
562 result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
563 } else {
564 result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
565 }
566 return JNIHandles::make_local(THREAD, result());
567 C2V_END
568
569 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
570 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
571 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
572 return JNIHandles::make_local(THREAD, appendix_oop);
573 C2V_END
574
575 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
576 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
577 instanceKlassHandle pool_holder(cp->pool_holder());
578 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
579 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
580 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
581 return JNIHandles::make_local(THREAD, result);
582 C2V_END
583
584 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
585 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
586 return cp->remap_instruction_operand_from_cache(index);
587 C2V_END
588
589 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode, jlongArray info_handle))
590 ResourceMark rm;
591 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
592 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
593 fieldDescriptor fd;
594 LinkInfo link_info(cp, index, CHECK_0);
595 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
596 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
597 assert(info != NULL && info->length() == 2, "must be");
598 info->long_at_put(0, (jlong) fd.access_flags().as_int());
599 info->long_at_put(1, (jlong) fd.offset());
600 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
601 return JNIHandles::make_local(THREAD, field_holder);
602 C2V_END
603
604 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
605 ResourceMark rm;
606 Klass* klass = CompilerToVM::asKlass(jvmci_type);
607 Method* method = CompilerToVM::asMethod(jvmci_method);
608 if (klass->is_interface()) {
609 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
610 }
611 if (!method->method_holder()->is_interface()) {
612 THROW_MSG_0(vmSymbols::java_lang_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()));
613 }
614 if (!InstanceKlass::cast(klass)->is_linked()) {
615 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
616 }
617 return LinkResolver::vtable_index_of_interface_method(klass, method);
618 C2V_END
619
620 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
621 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
622 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
623 Method* method = CompilerToVM::asMethod(jvmci_method);
624
625 if (recv_klass->is_array_klass() || (InstanceKlass::cast(recv_klass)->is_linked())) {
626 Klass* holder_klass = method->method_holder();
627 Symbol* method_name = method->name();
628 Symbol* method_signature = method->signature();
629
630 if (holder_klass->is_interface()) {
631 // do link-time resolution to check all access rules.
632 LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass, true);
633 methodHandle resolved_method = LinkResolver::linktime_resolve_interface_method_or_null(link_info);
634 if (resolved_method.is_null() || resolved_method->is_private()) {
635 return NULL;
636 }
637 assert(recv_klass->is_subtype_of(holder_klass), "");
638 // do actual lookup
639 methodHandle sel_method = LinkResolver::lookup_instance_method_in_klasses(recv_klass, resolved_method->name(), resolved_method->signature(), CHECK_AND_CLEAR_0);
640 oop result = CompilerToVM::get_jvmci_method(sel_method, CHECK_NULL);
641 return JNIHandles::make_local(THREAD, result);
642 } else {
643 // do link-time resolution to check all access rules.
644 LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass, true);
645 methodHandle resolved_method = LinkResolver::linktime_resolve_virtual_method_or_null(link_info);
646 if (resolved_method.is_null()) {
647 return NULL;
648 }
649 // do actual lookup (see LinkResolver::runtime_resolve_virtual_method)
650 int vtable_index = Method::invalid_vtable_index;
651 Method* selected_method;
652
653 if (resolved_method->method_holder()->is_interface()) { // miranda method
654 vtable_index = LinkResolver::vtable_index_of_interface_method(holder_klass, resolved_method);
655 assert(vtable_index >= 0 , "we should have valid vtable index at this point");
656
657 InstanceKlass* inst = InstanceKlass::cast(recv_klass);
658 selected_method = inst->method_at_vtable(vtable_index);
659 } else {
660 // at this point we are sure that resolved_method is virtual and not
661 // a miranda method; therefore, it must have a valid vtable index.
662 assert(!resolved_method->has_itable_index(), "");
663 vtable_index = resolved_method->vtable_index();
664 // We could get a negative vtable_index for final methods,
665 // because as an optimization they are they are never put in the vtable,
666 // unless they override an existing method.
667 // If we do get a negative, it means the resolved method is the the selected
668 // method, and it can never be changed by an override.
669 if (vtable_index == Method::nonvirtual_vtable_index) {
670 assert(resolved_method->can_be_statically_bound(), "cannot override this method");
671 selected_method = resolved_method();
672 } else {
673 // recv_klass might be an arrayKlassOop but all vtables start at
674 // the same place. The cast is to avoid virtual call and assertion.
675 InstanceKlass* inst = (InstanceKlass*)recv_klass;
676 selected_method = inst->method_at_vtable(vtable_index);
677 }
678 }
679 oop result = CompilerToVM::get_jvmci_method(selected_method, CHECK_NULL);
680 return JNIHandles::make_local(THREAD, result);
681 }
682 }
683 return NULL;
684 C2V_END
685
686 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
687 Klass* klass = CompilerToVM::asKlass(jvmci_type);
688 assert(klass != NULL, "method must not be called for primitive types");
689 return Dependencies::find_finalizable_subclass(klass) != NULL;
690 C2V_END
691
692 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
693 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
694 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
695 return JNIHandles::make_local(THREAD, result);
696 C2V_END
697
698 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
699 address target_addr = (address) addr;
700 if (target_addr != 0x0) {
701 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
702 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
703 return MAX2(ABS(off_low), ABS(off_high));
704 }
705 return -1;
706 C2V_END
707
708 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method))
709 methodHandle method = CompilerToVM::asMethod(jvmci_method);
710 method->set_not_c1_compilable();
711 method->set_not_c2_compilable();
712 method->set_dont_inline(true);
713 C2V_END
714
715 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
716 ResourceMark rm;
717 HandleMark hm;
718 Handle target_handle = JNIHandles::resolve(target);
719 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
720 CodeBlob* cb = NULL;
721 Handle installed_code_handle = JNIHandles::resolve(installed_code);
722 Handle speculation_log_handle = JNIHandles::resolve(speculation_log);
723
724 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
725
726 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
727 CodeInstaller installer;
728 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
729
730 if (PrintCodeCacheOnCompilation) {
731 stringStream s;
732 // Dump code cache into a buffer before locking the tty,
733 {
734 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
735 CodeCache::print_summary(&s, false);
736 }
737 ttyLocker ttyl;
738 tty->print_raw_cr(s.as_string());
739 }
740
741 if (result != JVMCIEnv::ok) {
742 assert(cb == NULL, "should be");
743 } else {
744 if (!installed_code_handle.is_null()) {
745 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
746 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
747 {
748 // Ensure that all updates to the InstalledCode fields are consistent.
749 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
750 InstalledCode::set_address(installed_code_handle, (jlong) cb);
751 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
752 if (cb->is_nmethod()) {
753 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
754 } else {
755 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
756 }
757 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
758 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
759 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
760 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
761 }
762 }
763 nmethod* nm = cb->as_nmethod_or_null();
764 if (nm != NULL && installed_code_handle->is_scavengable()) {
765 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
766 if (!UseG1GC) {
767 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
768 }
769 }
770 }
771 }
772 return result;
773 C2V_END
774
775 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
776 ResourceMark rm;
777 HandleMark hm;
778
779 Handle target_handle = JNIHandles::resolve(target);
780 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
781 Handle metadata_handle = JNIHandles::resolve(metadata);
782
783 HotSpotOopMap::klass()->initialize(thread);
784
785 CodeMetadata code_metadata;
786 CodeBlob *cb = NULL;
787 CodeInstaller installer;
788
789 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0); //cb, pc_descs, nr_pc_descs, scopes_descs, scopes_size, reloc_buffer);
790 if (result != JVMCIEnv::ok) {
791 return result;
792 }
793
794 if (code_metadata.get_nr_pc_desc() > 0) {
795 typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
796 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
797 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
798 }
799
800 if (code_metadata.get_scopes_size() > 0) {
801 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
802 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
803 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
804 }
805
806 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
807 typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
808 if (reloc_buffer->size() > 0) {
809 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
810 }
811 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
812
813 const OopMapSet* oopMapSet = installer.oopMapSet();
814 {
815 ResourceMark mark;
816 ImmutableOopMapBuilder builder(oopMapSet);
817 int oopmap_size = builder.heap_size();
818 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full));
819 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
820 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
821 }
822
823 HotSpotMetaData::set_metadata(metadata_handle, NULL);
824
825 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
826 int table_size = handler->size_in_bytes();
827 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full));
828
829 if (table_size > 0) {
830 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
831 }
832 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
833
834 return result;
835 C2V_END
836
837 C2V_VMENTRY(void, notifyCompilationStatistics, (JNIEnv *jniEnv, jobject, jint id, jobject hotspot_method, jboolean osr, jint processedBytecodes, jlong time, jlong timeUnitsPerSecond, jobject installed_code))
838 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
839 CompilerStatistics* stats = compiler->stats();
840
841 elapsedTimer timer = elapsedTimer(time, timeUnitsPerSecond);
842 if (osr) {
843 stats->_osr.update(timer, processedBytecodes);
844 } else {
845 stats->_standard.update(timer, processedBytecodes);
846 }
847 Handle installed_code_handle = JNIHandles::resolve(installed_code);
848 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
849 stats->_nmethods_size += HotSpotInstalledCode::size(installed_code_handle);
850 stats->_nmethods_code_size += HotSpotInstalledCode::codeSize(installed_code_handle);
851 }
852
853 if (CITimeEach) {
854 methodHandle method = CompilerToVM::asMethod(hotspot_method);
855 float bytes_per_sec = 1.0 * processedBytecodes / timer.seconds();
856 tty->print_cr("%3d seconds: %f bytes/sec: %f (bytes %d)",
857 id, timer.seconds(), bytes_per_sec, processedBytecodes);
858 }
859 C2V_END
860
861 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
862 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
863 CompilerStatistics* stats = compiler->stats();
864 stats->_standard.reset();
865 stats->_osr.reset();
866 C2V_END
867
868 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
869 ResourceMark rm;
870 HandleMark hm;
871
872 if (installedCode == NULL) {
873 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
874 }
875
876 jlong codeBlob = InstalledCode::address(installedCode);
877 if (codeBlob == 0L) {
878 return NULL;
879 }
880
881 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
882 if (cb == NULL) {
883 return NULL;
884 }
885
886 // We don't want the stringStream buffer to resize during disassembly as it
887 // uses scoped resource memory. If a nested function called during disassembly uses
888 // a ResourceMark and the buffer expands within the scope of the mark,
889 // the buffer becomes garbage when that scope is exited. Experience shows that
890 // the disassembled code is typically about 10x the code size so a fixed buffer
891 // sized to 20x code size plus a fixed amount for header info should be sufficient.
892 int bufferSize = cb->code_size() * 20 + 1024;
893 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
894 stringStream st(buffer, bufferSize);
895 if (cb->is_nmethod()) {
896 nmethod* nm = (nmethod*) cb;
897 if (!nm->is_alive()) {
898 return NULL;
899 }
900 }
901 Disassembler::decode(cb, &st);
902 if (st.size() <= 0) {
903 return NULL;
904 }
905
906 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
907 return JNIHandles::make_local(THREAD, result());
908 C2V_END
909
910 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
911 ResourceMark rm;
912 HandleMark hm;
913
914 methodHandle method = CompilerToVM::asMethod(jvmci_method);
915 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
916 return JNIHandles::make_local(THREAD, element);
917 C2V_END
918
919 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
920 ResourceMark rm;
921 HandleMark hm;
922
923 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
924 if (nmethodValue == 0L) {
925 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
926 }
927 nmethod* nm = (nmethod*) (address) nmethodValue;
928 methodHandle mh = nm->method();
929 Symbol* signature = mh->signature();
930 JavaCallArguments jca(mh->size_of_parameters());
931
932 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
933 JavaValue result(jap.get_ret_type());
934 jca.set_alternative_target(nm);
935 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
936
937 if (jap.get_ret_type() == T_VOID) {
938 return NULL;
939 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
940 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
941 } else {
942 jvalue *value = (jvalue *) result.get_value_addr();
943 // Narrow the value down if required (Important on big endian machines)
944 switch (jap.get_ret_type()) {
945 case T_BOOLEAN:
946 value->z = (jboolean) value->i;
947 break;
948 case T_BYTE:
949 value->b = (jbyte) value->i;
950 break;
951 case T_CHAR:
952 value->c = (jchar) value->i;
953 break;
954 case T_SHORT:
955 value->s = (jshort) value->i;
956 break;
957 }
958 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
959 return JNIHandles::make_local(THREAD, o);
960 }
961 C2V_END
962
963 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
964 Method* method = CompilerToVM::asMethod(jvmci_method);
965 if (!method->has_linenumber_table()) {
966 return NULL;
967 }
968 u2 num_entries = 0;
969 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
970 while (streamForSize.read_pair()) {
971 num_entries++;
972 }
973
974 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
975 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
976
977 int i = 0;
978 jlong value;
979 while (stream.read_pair()) {
980 value = ((long) stream.bci());
981 result->long_at_put(i, value);
982 value = ((long) stream.line());
983 result->long_at_put(i + 1, value);
984 i += 2;
985 }
986
987 return (jlongArray) JNIHandles::make_local(THREAD, result);
988 C2V_END
989
990 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
991 ResourceMark rm;
992 Method* method = CompilerToVM::asMethod(jvmci_method);
993 if (!method->has_localvariable_table()) {
994 return 0;
995 }
996 return (jlong) (address) method->localvariable_table_start();
997 C2V_END
998
999 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1000 ResourceMark rm;
1001 Method* method = CompilerToVM::asMethod(jvmci_method);
1002 return method->localvariable_table_length();
1003 C2V_END
1004
1005 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1006 Method* method = CompilerToVM::asMethod(jvmci_method);
1007 MethodCounters* mcs = method->method_counters();
1008 if (mcs != NULL) {
1009 mcs->clear_counters();
1010 }
1011 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1012
1013 nmethod* code = method->code();
1014 if (code != NULL) {
1015 code->make_not_entrant();
1016 }
1017
1018 MethodData* method_data = method->method_data();
1019 if (method_data == NULL) {
1020 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1021 method_data = MethodData::allocate(loader_data, method, CHECK);
1022 method->set_method_data(method_data);
1023 } else {
1024 method_data->initialize();
1025 }
1026 C2V_END
1027
1028
1029 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1030 Handle installed_code_handle = JNIHandles::resolve(installed_code);
1031 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1032 C2V_END
1033
1034 C2V_VMENTRY(jobject, readUncompressedOop, (JNIEnv*, jobject, jlong addr))
1035 oop ret = oopDesc::load_decode_heap_oop((oop*)(address)addr);
1036 return JNIHandles::make_local(THREAD, ret);
1037 C2V_END
1038
1039 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1040 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1041 JavaThread::collect_counters(arrayOop);
1042 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1043 C2V_END
1044
1045 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1046 HandleMark hm;
1047 ResourceMark rm;
1048 if (JNIHandles::resolve(jvmci_method) == NULL) {
1049 THROW_0(vmSymbols::java_lang_NullPointerException());
1050 }
1051 Method* method = CompilerToVM::asMethod(jvmci_method);
1052 if (entry_bci >= method->code_size() || entry_bci < -1) {
1053 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1054 }
1055 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1056 C2V_END
1057
1058
1059 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1060 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1061 return mdo != NULL && mdo->is_mature();
1062 C2V_END
1063
1064 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1065 Method* method = CompilerToVM::asMethod(jvmci_method);
1066 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1067 C2V_END
1068
1069 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1070 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1071 return JNIHandles::make_local(THREAD, sym());
1072 C2V_END
1073
1074 bool matches(jobjectArray methods, Method* method) {
1075 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1076
1077 for (int i = 0; i < methods_oop->length(); i++) {
1078 oop resolved = methods_oop->obj_at(i);
1079 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1080 return true;
1081 }
1082 }
1083 return false;
1084 }
1085
1086 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1087 ResourceMark rm;
1088
1089 if (!thread->has_last_Java_frame()) return NULL;
1090 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread);
1091 HotSpotStackFrameReference::klass()->initialize(thread);
1092
1093 StackFrameStream fst(thread);
1094 if (hs_frame != NULL) {
1095 // look for the correct stack frame if one is given
1096 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1097 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1098 fst.next();
1099 }
1100 if (fst.current()->sp() != stack_pointer) {
1101 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1102 }
1103 }
1104
1105 int frame_number = 0;
1106 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1107 if (hs_frame != NULL) {
1108 // look for the correct vframe within the stack frame if one is given
1109 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1110 while (frame_number < last_frame_number) {
1111 if (vf->is_top()) {
1112 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1113 }
1114 vf = vf->sender();
1115 frame_number ++;
1116 }
1117 // move one frame forward
1118 if (vf->is_top()) {
1119 if (fst.is_done()) {
1120 return NULL;
1121 }
1122 fst.next();
1123 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1124 frame_number = 0;
1125 } else {
1126 vf = vf->sender();
1127 frame_number++;
1128 }
1129 }
1130
1131 while (true) {
1132 // look for the given method
1133 while (true) {
1134 StackValueCollection* locals = NULL;
1135 if (vf->is_compiled_frame()) {
1136 // compiled method frame
1137 compiledVFrame* cvf = compiledVFrame::cast(vf);
1138 if (methods == NULL || matches(methods, cvf->method())) {
1139 if (initialSkip > 0) {
1140 initialSkip --;
1141 } else {
1142 ScopeDesc* scope = cvf->scope();
1143 // native wrapper do not have a scope
1144 if (scope != NULL && scope->objects() != NULL) {
1145 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1146 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1147
1148 GrowableArray<ScopeValue*>* local_values = scope->locals();
1149 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread);
1150 for (int i = 0; i < local_values->length(); i++) {
1151 ScopeValue* value = local_values->at(i);
1152 if (value->is_object()) {
1153 array->bool_at_put(i, true);
1154 }
1155 }
1156 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1157 } else {
1158 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1159 }
1160
1161 locals = cvf->locals();
1162 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1163 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1164 HotSpotStackFrameReference::set_method(result, method);
1165 }
1166 }
1167 } else if (vf->is_interpreted_frame()) {
1168 // interpreted method frame
1169 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1170 if (methods == NULL || matches(methods, ivf->method())) {
1171 if (initialSkip > 0) {
1172 initialSkip --;
1173 } else {
1174 locals = ivf->locals();
1175 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1176 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1177 HotSpotStackFrameReference::set_method(result, method);
1178 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1179 }
1180 }
1181 }
1182
1183 // locals != NULL means that we found a matching frame and result is already partially initialized
1184 if (locals != NULL) {
1185 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1186 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1187 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1188
1189 // initialize the locals array
1190 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread);
1191 for (int i = 0; i < locals->size(); i++) {
1192 StackValue* var = locals->at(i);
1193 if (var->type() == T_OBJECT) {
1194 array->obj_at_put(i, locals->at(i)->get_obj()());
1195 }
1196 }
1197 HotSpotStackFrameReference::set_locals(result, array());
1198
1199 return JNIHandles::make_local(thread, result());
1200 }
1201
1202 if (vf->is_top()) {
1203 break;
1204 }
1205 frame_number++;
1206 vf = vf->sender();
1207 } // end of vframe loop
1208
1209 if (fst.is_done()) {
1210 break;
1211 }
1212 fst.next();
1213 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1214 frame_number = 0;
1215 } // end of frame loop
1216
1217 // the end was reached without finding a matching method
1218 return NULL;
1219 C2V_END
1220
1221 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1222 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1223 CallInfo callInfo;
1224 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1225 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1226 cp_cache_entry->set_dynamic_call(cp, callInfo);
1227 C2V_END
1228
1229 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1230 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1231 CallInfo callInfo;
1232 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1233 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1234 cp_cache_entry->set_method_handle(cp, callInfo);
1235 C2V_END
1236
1237 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1238 //see compute_recording_non_safepoints in debugInfroRec.cpp
1239 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1240 return true;
1241 }
1242 return DebugNonSafepoints;
1243 C2V_END
1244
1245 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1246 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1247 ResourceMark rm;
1248
1249 if (hs_frame == NULL) {
1250 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1251 }
1252
1253 HotSpotStackFrameReference::klass()->initialize(thread);
1254
1255 // look for the given stack frame
1256 StackFrameStream fst(thread);
1257 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1258 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1259 fst.next();
1260 }
1261 if (fst.current()->sp() != stack_pointer) {
1262 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1263 }
1264
1265 if (invalidate) {
1266 if (!fst.current()->is_compiled_frame()) {
1267 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1268 }
1269 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1270 ((nmethod*) fst.current()->cb())->make_not_entrant();
1271 }
1272 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1273 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1274 StackFrameStream fstAfterDeopt(thread);
1275 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1276 fstAfterDeopt.next();
1277 }
1278 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1279 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1280 }
1281
1282 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1283 if (!vf->is_compiled_frame()) {
1284 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1285 }
1286
1287 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1288 while (true) {
1289 assert(vf->is_compiled_frame(), "Wrong frame type");
1290 virtualFrames->push(compiledVFrame::cast(vf));
1291 if (vf->is_top()) {
1292 break;
1293 }
1294 vf = vf->sender();
1295 }
1296
1297 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1298 if (last_frame_number >= virtualFrames->length()) {
1299 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1300 }
1301
1302 // Reallocate the non-escaping objects and restore their fields.
1303 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1304 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1305
1306 if (objects == NULL) {
1307 // no objects to materialize
1308 return;
1309 }
1310
1311 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1312 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1313
1314 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1315 compiledVFrame* cvf = virtualFrames->at(frame_index);
1316
1317 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1318 StackValueCollection* locals = cvf->locals();
1319
1320 if (locals != NULL) {
1321 for (int i2 = 0; i2 < locals->size(); i2++) {
1322 StackValue* var = locals->at(i2);
1323 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1324 jvalue val;
1325 val.l = (jobject) locals->at(i2)->get_obj()();
1326 cvf->update_local(T_OBJECT, i2, val);
1327 }
1328 }
1329 }
1330 }
1331
1332 // all locals are materialized by now
1333 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1334
1335 // update the locals array
1336 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame);
1337 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1338 for (int i = 0; i < locals->size(); i++) {
1339 StackValue* var = locals->at(i);
1340 if (var->type() == T_OBJECT) {
1341 array->obj_at_put(i, locals->at(i)->get_obj()());
1342 }
1343 }
1344 C2V_END
1345
1346 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1347 if (bytes == NULL) {
1348 THROW(vmSymbols::java_lang_NullPointerException());
1349 }
1350 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1351
1352 // Check if offset and length are non negative.
1353 if (offset < 0 || length < 0) {
1354 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1355 }
1356 // Check if the range is valid.
1357 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1358 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1359 }
1360 while (length > 0) {
1361 jbyte* start = array->byte_at_addr(offset);
1362 tty->write((char*) start, MIN2(length, O_BUFLEN));
1363 length -= O_BUFLEN;
1364 offset += O_BUFLEN;
1365 }
1366 C2V_END
1367
1368 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1369 tty->flush();
1370 C2V_END
1371
1372 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1373 ResourceMark rm;
1374 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1375 ProfileData* profile_data = mdo->data_at(position);
1376 if (mdo->is_valid(profile_data)) {
1377 return profile_data->size_in_bytes();
1378 }
1379 DataLayout* data = mdo->extra_data_base();
1380 DataLayout* end = mdo->extra_data_limit();
1381 for (;; data = mdo->next_extra(data)) {
1382 assert(data < end, "moved past end of extra data");
1383 profile_data = data->data_in();
1384 if (mdo->dp_to_di(profile_data->dp()) == position) {
1385 return profile_data->size_in_bytes();
1386 }
1387 }
1388 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1389 C2V_END
1390
1391
1392 #define CC (char*) /*cast a literal from (const char*)*/
1393 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1394
1395 #define STRING "Ljava/lang/String;"
1396 #define OBJECT "Ljava/lang/Object;"
1397 #define CLASS "Ljava/lang/Class;"
1398 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1399 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1400 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1401 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1402 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1403 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1404 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1405 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1406 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1407 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1408 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1409 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1410 #define METASPACE_METHOD_DATA "J"
1411
1412 JNINativeMethod CompilerToVM::methods[] = {
1413 {CC"getBytecode", CC"("HS_RESOLVED_METHOD")[B", FN_PTR(getBytecode)},
1414 {CC"getExceptionTableStart", CC"("HS_RESOLVED_METHOD")J", FN_PTR(getExceptionTableStart)},
1415 {CC"getExceptionTableLength", CC"("HS_RESOLVED_METHOD")I", FN_PTR(getExceptionTableLength)},
1416 {CC"findUniqueConcreteMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")"HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1417 {CC"getImplementor", CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1418 {CC"getStackTraceElement", CC"("HS_RESOLVED_METHOD"I)"STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1419 {CC"methodIsIgnoredBySecurityStackWalk", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1420 {CC"doNotInlineOrCompile", CC"("HS_RESOLVED_METHOD")V", FN_PTR(doNotInlineOrCompile)},
1421 {CC"canInlineMethod", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(canInlineMethod)},
1422 {CC"shouldInlineMethod", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(shouldInlineMethod)},
1423 {CC"lookupType", CC"("STRING CLASS"Z)"HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1424 {CC"lookupNameInPool", CC"("HS_CONSTANT_POOL"I)"STRING, FN_PTR(lookupNameInPool)},
1425 {CC"lookupNameAndTypeRefIndexInPool", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1426 {CC"lookupSignatureInPool", CC"("HS_CONSTANT_POOL"I)"STRING, FN_PTR(lookupSignatureInPool)},
1427 {CC"lookupKlassRefIndexInPool", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(lookupKlassRefIndexInPool)},
1428 {CC"lookupKlassInPool", CC"("HS_CONSTANT_POOL"I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1429 {CC"lookupAppendixInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(lookupAppendixInPool)},
1430 {CC"lookupMethodInPool", CC"("HS_CONSTANT_POOL"IB)"HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1431 {CC"constantPoolRemapInstructionOperandFromCache", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1432 {CC"resolveConstantInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolveConstantInPool)},
1433 {CC"resolvePossiblyCachedConstantInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1434 {CC"resolveTypeInPool", CC"("HS_CONSTANT_POOL"I)"HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1435 {CC"resolveFieldInPool", CC"("HS_CONSTANT_POOL"IB[J)"HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1436 {CC"resolveInvokeDynamicInPool", CC"("HS_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeDynamicInPool)},
1437 {CC"resolveInvokeHandleInPool", CC"("HS_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeHandleInPool)},
1438 {CC"resolveMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1439 {CC"getVtableIndexForInterfaceMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1440 {CC"getClassInitializer", CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1441 {CC"hasFinalizableSubclass", CC"("HS_RESOLVED_KLASS")Z", FN_PTR(hasFinalizableSubclass)},
1442 {CC"getMaxCallTargetOffset", CC"(J)J", FN_PTR(getMaxCallTargetOffset)},
1443 {CC"getResolvedJavaMethodAtSlot", CC"("CLASS"I)"HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethodAtSlot)},
1444 {CC"getResolvedJavaMethod", CC"(Ljava/lang/Object;J)"HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1445 {CC"getConstantPool", CC"(Ljava/lang/Object;J)"HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1446 {CC"getResolvedJavaType", CC"(Ljava/lang/Object;JZ)"HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1447 {CC"initializeConfiguration", CC"("HS_CONFIG")J", FN_PTR(initializeConfiguration)},
1448 {CC"installCode", CC"("TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG")I", FN_PTR(installCode)},
1449 {CC"getMetadata", CC"("TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA")I", FN_PTR(getMetadata)},
1450 {CC"notifyCompilationStatistics", CC"(I"HS_RESOLVED_METHOD"ZIJJ"INSTALLED_CODE")V", FN_PTR(notifyCompilationStatistics)},
1451 {CC"resetCompilationStatistics", CC"()V", FN_PTR(resetCompilationStatistics)},
1452 {CC"disassembleCodeBlob", CC"("INSTALLED_CODE")"STRING, FN_PTR(disassembleCodeBlob)},
1453 {CC"executeInstalledCode", CC"(["OBJECT INSTALLED_CODE")"OBJECT, FN_PTR(executeInstalledCode)},
1454 {CC"getLineNumberTable", CC"("HS_RESOLVED_METHOD")[J", FN_PTR(getLineNumberTable)},
1455 {CC"getLocalVariableTableStart", CC"("HS_RESOLVED_METHOD")J", FN_PTR(getLocalVariableTableStart)},
1456 {CC"getLocalVariableTableLength", CC"("HS_RESOLVED_METHOD")I", FN_PTR(getLocalVariableTableLength)},
1457 {CC"reprofile", CC"("HS_RESOLVED_METHOD")V", FN_PTR(reprofile)},
1458 {CC"invalidateInstalledCode", CC"("INSTALLED_CODE")V", FN_PTR(invalidateInstalledCode)},
1459 {CC"readUncompressedOop", CC"(J)"OBJECT, FN_PTR(readUncompressedOop)},
1460 {CC"collectCounters", CC"()[J", FN_PTR(collectCounters)},
1461 {CC"allocateCompileId", CC"("HS_RESOLVED_METHOD"I)I", FN_PTR(allocateCompileId)},
1462 {CC"isMature", CC"("METASPACE_METHOD_DATA")Z", FN_PTR(isMature)},
1463 {CC"hasCompiledCodeForOSR", CC"("HS_RESOLVED_METHOD"II)Z", FN_PTR(hasCompiledCodeForOSR)},
1464 {CC"getSymbol", CC"(J)"STRING, FN_PTR(getSymbol)},
1465 {CC"getNextStackFrame", CC"("HS_STACK_FRAME_REF "["RESOLVED_METHOD"I)"HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1466 {CC"materializeVirtualObjects", CC"("HS_STACK_FRAME_REF"Z)V", FN_PTR(materializeVirtualObjects)},
1467 {CC"shouldDebugNonSafepoints", CC"()Z", FN_PTR(shouldDebugNonSafepoints)},
1468 {CC"writeDebugOutput", CC"([BII)V", FN_PTR(writeDebugOutput)},
1469 {CC"flushDebugOutput", CC"()V", FN_PTR(flushDebugOutput)},
1470 {CC"methodDataProfileDataSize", CC"(JI)I", FN_PTR(methodDataProfileDataSize)},
1471 };
1472
1473 int CompilerToVM::methods_count() {
1474 return sizeof(methods) / sizeof(JNINativeMethod);
1475 }
1476