1 /*
2 * Copyright (c) 2011, 2017, 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 "code/codeCache.hpp"
27 #include "code/scopeDesc.hpp"
28 #include "interpreter/linkResolver.hpp"
29 #include "memory/oopFactory.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "oops/generateOopMap.hpp"
32 #include "oops/fieldStreams.hpp"
33 #include "oops/oop.inline.hpp"
34 #include "oops/objArrayOop.inline.hpp"
35 #include "runtime/fieldDescriptor.hpp"
36 #include "runtime/javaCalls.hpp"
37 #include "jvmci/jvmciRuntime.hpp"
38 #include "compiler/abstractCompiler.hpp"
39 #include "compiler/compileBroker.hpp"
40 #include "compiler/compilerOracle.hpp"
41 #include "compiler/disassembler.hpp"
42 #include "compiler/oopMap.hpp"
43 #include "jvmci/jvmciCompilerToVM.hpp"
44 #include "jvmci/jvmciCompiler.hpp"
45 #include "jvmci/jvmciEnv.hpp"
46 #include "jvmci/jvmciJavaClasses.hpp"
47 #include "jvmci/jvmciCodeInstaller.hpp"
48 #include "jvmci/vmStructs_jvmci.hpp"
49 #include "gc/g1/heapRegion.hpp"
50 #include "runtime/javaCalls.hpp"
51 #include "runtime/deoptimization.hpp"
52 #include "runtime/timerTrace.hpp"
53 #include "runtime/vframe.hpp"
54 #include "runtime/vframe_hp.hpp"
55 #include "runtime/vmStructs.hpp"
56 #include "utilities/resourceHash.hpp"
57
58
59 void JNIHandleMark::push_jni_handle_block() {
60 JavaThread* thread = JavaThread::current();
61 if (thread != NULL) {
62 // Allocate a new block for JNI handles.
63 // Inlined code from jni_PushLocalFrame()
64 JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles();
65 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
66 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
67 compile_handles->set_pop_frame_link(java_handles);
68 thread->set_active_handles(compile_handles);
69 }
70 }
71
72 void JNIHandleMark::pop_jni_handle_block() {
73 JavaThread* thread = JavaThread::current();
74 if (thread != NULL) {
75 // Release our JNI handle block
76 JNIHandleBlock* compile_handles = thread->active_handles();
77 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
78 thread->set_active_handles(java_handles);
79 compile_handles->set_pop_frame_link(NULL);
80 JNIHandleBlock::release_block(compile_handles, thread); // may block
81 }
82 }
83
84 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
85 #define C2V_VMENTRY(result_type, name, signature) \
86 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
87 TRACE_jvmci_1("CompilerToVM::" #name); \
88 TRACE_CALL(result_type, jvmci_ ## name signature) \
89 JVMCI_VM_ENTRY_MARK; \
90
91 #define C2V_END }
92
93 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
94 if (method() != NULL) {
95 JavaValue result(T_OBJECT);
96 JavaCallArguments args;
97 args.push_long((jlong) (address) method());
98 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
99
100 return (oop)result.get_jobject();
101 }
102 return NULL;
103 }
104
105 oop CompilerToVM::get_jvmci_type(Klass* klass, TRAPS) {
106 if (klass != NULL) {
107 JavaValue result(T_OBJECT);
108 JavaCallArguments args;
109 args.push_oop(Handle(THREAD, klass->java_mirror()));
110 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
111
112 return (oop)result.get_jobject();
113 }
114 return NULL;
115 }
116
117
118 int CompilerToVM::Data::Klass_vtable_start_offset;
119 int CompilerToVM::Data::Klass_vtable_length_offset;
120
121 int CompilerToVM::Data::Method_extra_stack_entries;
122
123 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
124 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
125 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
126 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
127
128 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
129
130 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
131 int CompilerToVM::Data::Universe_base_vtable_size;
132 address CompilerToVM::Data::Universe_narrow_oop_base;
133 int CompilerToVM::Data::Universe_narrow_oop_shift;
134 address CompilerToVM::Data::Universe_narrow_klass_base;
135 int CompilerToVM::Data::Universe_narrow_klass_shift;
136 void* CompilerToVM::Data::Universe_non_oop_bits;
137 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
138 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
139
140 bool CompilerToVM::Data::_supports_inline_contig_alloc;
141 HeapWord** CompilerToVM::Data::_heap_end_addr;
142 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
143 int CompilerToVM::Data::_max_oop_map_stack_offset;
144
145 jbyte* CompilerToVM::Data::cardtable_start_address;
146 int CompilerToVM::Data::cardtable_shift;
147
148 int CompilerToVM::Data::vm_page_size;
149
150 int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry);
151 int CompilerToVM::Data::sizeof_ExceptionTableElement = sizeof(ExceptionTableElement);
152 int CompilerToVM::Data::sizeof_LocalVariableTableElement = sizeof(LocalVariableTableElement);
153 int CompilerToVM::Data::sizeof_ConstantPool = sizeof(ConstantPool);
154 int CompilerToVM::Data::sizeof_SymbolPointer = sizeof(Symbol*);
155 int CompilerToVM::Data::sizeof_narrowKlass = sizeof(narrowKlass);
156 int CompilerToVM::Data::sizeof_arrayOopDesc = sizeof(arrayOopDesc);
157 int CompilerToVM::Data::sizeof_BasicLock = sizeof(BasicLock);
158
159 address CompilerToVM::Data::dsin;
160 address CompilerToVM::Data::dcos;
161 address CompilerToVM::Data::dtan;
162 address CompilerToVM::Data::dexp;
163 address CompilerToVM::Data::dlog;
164 address CompilerToVM::Data::dlog10;
165 address CompilerToVM::Data::dpow;
166
167 address CompilerToVM::Data::symbol_init;
168 address CompilerToVM::Data::symbol_clinit;
169
170 void CompilerToVM::Data::initialize(TRAPS) {
171 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
172 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
173
174 Method_extra_stack_entries = Method::extra_stack_entries();
175
176 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
177 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
178 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
179 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
180
181 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
182
183 Universe_collectedHeap = Universe::heap();
184 Universe_base_vtable_size = Universe::base_vtable_size();
185 Universe_narrow_oop_base = Universe::narrow_oop_base();
186 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
187 Universe_narrow_klass_base = Universe::narrow_klass_base();
188 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
189 Universe_non_oop_bits = Universe::non_oop_word();
190 Universe_verify_oop_mask = Universe::verify_oop_mask();
191 Universe_verify_oop_bits = Universe::verify_oop_bits();
192
193 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
194 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
195 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1;
196
197 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
198 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
199 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
200 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
201
202 symbol_init = (address) vmSymbols::object_initializer_name();
203 symbol_clinit = (address) vmSymbols::class_initializer_name();
204
205 BarrierSet* bs = Universe::heap()->barrier_set();
206 switch (bs->kind()) {
207 case BarrierSet::CardTableModRef:
208 case BarrierSet::CardTableForRS:
209 case BarrierSet::CardTableExtension:
210 case BarrierSet::G1SATBCT:
211 case BarrierSet::G1SATBCTLogging: {
212 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
213 assert(base != 0, "unexpected byte_map_base");
214 cardtable_start_address = base;
215 cardtable_shift = CardTableModRefBS::card_shift;
216 break;
217 }
218 case BarrierSet::ModRef:
219 cardtable_start_address = 0;
220 cardtable_shift = 0;
221 // No post barriers
222 break;
223 default:
224 JVMCI_ERROR("Unsupported BarrierSet kind %d", bs->kind());
225 break;
226 }
227
228 vm_page_size = os::vm_page_size();
229
230 #define SET_TRIGFUNC(name) \
231 if (StubRoutines::name() != NULL) { \
232 name = StubRoutines::name(); \
233 } else { \
234 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
235 }
236
237 SET_TRIGFUNC(dsin);
238 SET_TRIGFUNC(dcos);
239 SET_TRIGFUNC(dtan);
240 SET_TRIGFUNC(dexp);
241 SET_TRIGFUNC(dlog10);
242 SET_TRIGFUNC(dlog);
243 SET_TRIGFUNC(dpow);
244
245 #undef SET_TRIGFUNC
246 }
247
248 objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) {
249 objArrayHandle vmIntrinsics = oopFactory::new_objArray_handle(VMIntrinsicMethod::klass(), (vmIntrinsics::ID_LIMIT - 1), CHECK_(objArrayHandle()));
250 int index = 0;
251 // The intrinsics for a class are usually adjacent to each other.
252 // When they are, the string for the class name can be reused.
253 vmSymbols::SID kls_sid = vmSymbols::NO_SID;
254 Handle kls_str;
255 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n)
256 #define VM_SYMBOL_TO_STRING(s) \
257 java_lang_String::create_from_symbol(vmSymbols::symbol_at(SID_ENUM(s)), CHECK_(objArrayHandle()))
258 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
259 instanceHandle vmIntrinsicMethod = InstanceKlass::cast(VMIntrinsicMethod::klass())->allocate_instance_handle(CHECK_(objArrayHandle())); \
260 if (kls_sid != SID_ENUM(kls)) { \
261 kls_str = VM_SYMBOL_TO_STRING(kls); \
262 kls_sid = SID_ENUM(kls); \
263 } \
264 Handle name_str = VM_SYMBOL_TO_STRING(name); \
265 Handle sig_str = VM_SYMBOL_TO_STRING(sig); \
266 VMIntrinsicMethod::set_declaringClass(vmIntrinsicMethod, kls_str()); \
267 VMIntrinsicMethod::set_name(vmIntrinsicMethod, name_str()); \
268 VMIntrinsicMethod::set_descriptor(vmIntrinsicMethod, sig_str()); \
269 VMIntrinsicMethod::set_id(vmIntrinsicMethod, vmIntrinsics::id); \
270 vmIntrinsics->obj_at_put(index++, vmIntrinsicMethod()); \
271 }
272
273 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
274 #undef SID_ENUM
275 #undef VM_SYMBOL_TO_STRING
276 #undef VM_INTRINSIC_INFO
277 assert(index == vmIntrinsics::ID_LIMIT - 1, "must be");
278
279 return vmIntrinsics;
280 }
281
282 /**
283 * The set of VM flags known to be used.
284 */
285 #define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_intx_flag, do_uintx_flag) \
286 do_intx_flag(AllocateInstancePrefetchLines) \
287 do_intx_flag(AllocatePrefetchDistance) \
288 do_intx_flag(AllocatePrefetchInstr) \
289 do_intx_flag(AllocatePrefetchLines) \
290 do_intx_flag(AllocatePrefetchStepSize) \
291 do_intx_flag(AllocatePrefetchStyle) \
292 do_intx_flag(BciProfileWidth) \
293 do_bool_flag(BootstrapJVMCI) \
294 do_bool_flag(CITime) \
295 do_bool_flag(CITimeEach) \
296 do_uintx_flag(CodeCacheSegmentSize) \
297 do_intx_flag(CodeEntryAlignment) \
298 do_bool_flag(CompactFields) \
299 NOT_PRODUCT(do_intx_flag(CompileTheWorldStartAt)) \
300 NOT_PRODUCT(do_intx_flag(CompileTheWorldStopAt)) \
301 do_intx_flag(ContendedPaddingWidth) \
302 do_bool_flag(DontCompileHugeMethods) \
303 do_bool_flag(EnableContended) \
304 do_intx_flag(FieldsAllocationStyle) \
305 do_bool_flag(FoldStableValues) \
306 do_bool_flag(ForceUnreachable) \
307 do_intx_flag(HugeMethodLimit) \
308 do_bool_flag(Inline) \
309 do_intx_flag(JVMCICounterSize) \
310 do_bool_flag(JVMCIPrintProperties) \
311 do_bool_flag(JVMCIUseFastLocking) \
312 do_intx_flag(MethodProfileWidth) \
313 do_intx_flag(ObjectAlignmentInBytes) \
314 do_bool_flag(PrintInlining) \
315 do_bool_flag(ReduceInitialCardMarks) \
316 do_bool_flag(RestrictContended) \
317 do_intx_flag(StackReservedPages) \
318 do_intx_flag(StackShadowPages) \
319 do_bool_flag(TLABStats) \
320 do_uintx_flag(TLABWasteIncrement) \
321 do_intx_flag(TypeProfileWidth) \
322 do_bool_flag(UseAESIntrinsics) \
323 X86_ONLY(do_intx_flag(UseAVX)) \
324 do_bool_flag(UseBiasedLocking) \
325 do_bool_flag(UseCRC32Intrinsics) \
326 do_bool_flag(UseCompressedClassPointers) \
327 do_bool_flag(UseCompressedOops) \
328 do_bool_flag(UseConcMarkSweepGC) \
329 X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \
330 X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \
331 do_bool_flag(UseG1GC) \
332 COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \
333 COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \
334 COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \
335 COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \
336 do_bool_flag(UsePopCountInstruction) \
337 do_bool_flag(UseSHA1Intrinsics) \
338 do_bool_flag(UseSHA256Intrinsics) \
339 do_bool_flag(UseSHA512Intrinsics) \
340 do_intx_flag(UseSSE) \
341 COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \
342 do_bool_flag(UseStackBanging) \
343 do_bool_flag(UseTLAB) \
344 do_bool_flag(VerifyOops) \
345
346 #define BOXED_BOOLEAN(name, value) oop name = ((jboolean)(value) ? boxedTrue() : boxedFalse())
347 #define BOXED_DOUBLE(name, value) oop name; do { jvalue p; p.d = (jdouble) (value); name = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL);} while(0)
348 #define BOXED_LONG(name, value) \
349 oop name; \
350 do { \
351 jvalue p; p.j = (jlong) (value); \
352 Handle* e = longs.get(p.j); \
353 if (e == NULL) { \
354 oop o = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); \
355 Handle h(THREAD, o); \
356 longs.put(p.j, h); \
357 name = h(); \
358 } else { \
359 name = (*e)(); \
360 } \
361 } while (0)
362
363 #define CSTRING_TO_JSTRING(name, value) \
364 Handle name; \
365 do { \
366 if (value != NULL) { \
367 Handle* e = strings.get(value); \
368 if (e == NULL) { \
369 Handle h = java_lang_String::create_from_str(value, CHECK_NULL); \
370 strings.put(value, h); \
371 name = h; \
372 } else { \
373 name = (*e); \
374 } \
375 } \
376 } while (0)
377
378 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
379 ResourceMark rm;
380 HandleMark hm;
381
382 // Used to canonicalize Long and String values.
383 ResourceHashtable<jlong, Handle> longs;
384 ResourceHashtable<const char*, Handle, &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings;
385
386 jvalue prim;
387 prim.z = true; oop boxedTrueOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
388 Handle boxedTrue(THREAD, boxedTrueOop);
389 prim.z = false; oop boxedFalseOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
390 Handle boxedFalse(THREAD, boxedFalseOop);
391
392 CompilerToVM::Data::initialize(CHECK_NULL);
393
394 VMField::klass()->initialize(CHECK_NULL);
395 VMFlag::klass()->initialize(CHECK_NULL);
396 VMIntrinsicMethod::klass()->initialize(CHECK_NULL);
397
398 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
399 objArrayHandle vmFields = oopFactory::new_objArray_handle(VMField::klass(), len, CHECK_NULL);
400 for (int i = 0; i < len ; i++) {
401 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
402 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL);
403 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */;
404 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1);
405 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName);
406 CSTRING_TO_JSTRING(name, name_buf);
407 CSTRING_TO_JSTRING(type, vmField.typeString);
408 VMField::set_name(vmFieldObj, name());
409 VMField::set_type(vmFieldObj, type());
410 VMField::set_offset(vmFieldObj, vmField.offset);
411 VMField::set_address(vmFieldObj, (jlong) vmField.address);
412 if (vmField.isStatic && vmField.typeString != NULL) {
413 if (strcmp(vmField.typeString, "bool") == 0) {
414 BOXED_BOOLEAN(box, *(jbyte*) vmField.address);
415 VMField::set_value(vmFieldObj, box);
416 } else if (strcmp(vmField.typeString, "int") == 0 ||
417 strcmp(vmField.typeString, "jint") == 0) {
418 BOXED_LONG(box, *(jint*) vmField.address);
419 VMField::set_value(vmFieldObj, box);
420 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
421 BOXED_LONG(box, *(uint64_t*) vmField.address);
422 VMField::set_value(vmFieldObj, box);
423 } else if (strcmp(vmField.typeString, "address") == 0 ||
424 strcmp(vmField.typeString, "intptr_t") == 0 ||
425 strcmp(vmField.typeString, "uintptr_t") == 0 ||
426 strcmp(vmField.typeString, "size_t") == 0 ||
427 // All foo* types are addresses.
428 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
429 BOXED_LONG(box, *((address*) vmField.address));
430 VMField::set_value(vmFieldObj, box);
431 } else {
432 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
433 }
434 }
435 vmFields->obj_at_put(i, vmFieldObj());
436 }
437
438 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
439 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
440 len = ints_len + longs_len;
441 objArrayHandle vmConstants = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
442 int insert = 0;
443 for (int i = 0; i < ints_len ; i++) {
444 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
445 CSTRING_TO_JSTRING(name, c.name);
446 BOXED_LONG(value, c.value);
447 vmConstants->obj_at_put(insert++, name());
448 vmConstants->obj_at_put(insert++, value);
449 }
450 for (int i = 0; i < longs_len ; i++) {
451 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
452 CSTRING_TO_JSTRING(name, c.name);
453 BOXED_LONG(value, c.value);
454 vmConstants->obj_at_put(insert++, name());
455 vmConstants->obj_at_put(insert++, value);
456 }
457 assert(insert == len * 2, "must be");
458
459 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
460 objArrayHandle vmAddresses = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
461 for (int i = 0; i < len ; i++) {
462 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
463 CSTRING_TO_JSTRING(name, a.name);
464 BOXED_LONG(value, a.value);
465 vmAddresses->obj_at_put(i * 2, name());
466 vmAddresses->obj_at_put(i * 2 + 1, value);
467 }
468
469 #define COUNT_FLAG(ignore) +1
470 #ifdef ASSERT
471 #define CHECK_FLAG(type, name) { \
472 Flag* flag = Flag::find_flag(#name, strlen(#name), /*allow_locked*/ true, /* return_flag */ true); \
473 assert(flag != NULL, "No such flag named " #name); \
474 assert(flag->is_##type(), "Flag " #name " is not of type " #type); \
475 }
476 #else
477 #define CHECK_FLAG(type, name)
478 #endif
479
480 #define ADD_FLAG(type, name, convert) { \
481 CHECK_FLAG(type, name) \
482 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL); \
483 CSTRING_TO_JSTRING(fname, #name); \
484 CSTRING_TO_JSTRING(ftype, #type); \
485 VMFlag::set_name(vmFlagObj, fname()); \
486 VMFlag::set_type(vmFlagObj, ftype()); \
487 convert(value, name); \
488 VMFlag::set_value(vmFlagObj, value); \
489 vmFlags->obj_at_put(i++, vmFlagObj()); \
490 }
491 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN)
492 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG)
493 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG)
494
495 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG);
496 objArrayHandle vmFlags = oopFactory::new_objArray_handle(VMFlag::klass(), len, CHECK_NULL);
497 int i = 0;
498 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG)
499
500 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL);
501
502 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 5, CHECK_NULL);
503 data->obj_at_put(0, vmFields());
504 data->obj_at_put(1, vmConstants());
505 data->obj_at_put(2, vmAddresses());
506 data->obj_at_put(3, vmFlags());
507 data->obj_at_put(4, vmIntrinsics());
508
509 return (jobjectArray) JNIHandles::make_local(THREAD, data);
510 #undef COUNT_FLAG
511 #undef ADD_FLAG
512 #undef ADD_BOOL_FLAG
513 #undef ADD_INTX_FLAG
514 #undef ADD_UINTX_FLAG
515 #undef CHECK_FLAG
516 C2V_END
517
518 C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
519 #define RETURN_BOXED_LONG(value) oop box; jvalue p; p.j = (jlong) (value); box = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
520 #define RETURN_BOXED_DOUBLE(value) oop box; jvalue p; p.d = (jdouble) (value); box = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
521 Handle name(THREAD, JNIHandles::resolve(name_handle));
522 if (name.is_null()) {
523 THROW_0(vmSymbols::java_lang_NullPointerException());
524 }
525 ResourceMark rm;
526 const char* cstring = java_lang_String::as_utf8_string(name());
527 Flag* flag = Flag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
528 if (flag == NULL) {
529 return c2vm;
530 }
531 if (flag->is_bool()) {
532 jvalue prim;
533 prim.z = flag->get_bool();
534 oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
535 return JNIHandles::make_local(THREAD, box);
536 } else if (flag->is_ccstr()) {
537 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
538 return JNIHandles::make_local(THREAD, value());
539 } else if (flag->is_intx()) {
540 RETURN_BOXED_LONG(flag->get_intx());
541 } else if (flag->is_int()) {
542 RETURN_BOXED_LONG(flag->get_int());
543 } else if (flag->is_uint()) {
544 RETURN_BOXED_LONG(flag->get_uint());
545 } else if (flag->is_uint64_t()) {
546 RETURN_BOXED_LONG(flag->get_uint64_t());
547 } else if (flag->is_size_t()) {
548 RETURN_BOXED_LONG(flag->get_size_t());
549 } else if (flag->is_uintx()) {
550 RETURN_BOXED_LONG(flag->get_uintx());
551 } else if (flag->is_double()) {
552 RETURN_BOXED_DOUBLE(flag->get_double());
553 } else {
554 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
555 }
556 C2V_END
557
558 #undef BOXED_LONG
559 #undef BOXED_DOUBLE
560 #undef CSTRING_TO_JSTRING
561
562 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
563 methodHandle method = CompilerToVM::asMethod(jvmci_method);
564 ResourceMark rm;
565
566 int code_size = method->code_size();
567 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
568
569 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
570 // iterate over all bytecodes and replace non-Java bytecodes
571
572 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
573 Bytecodes::Code code = s.code();
574 Bytecodes::Code raw_code = s.raw_code();
575 int bci = s.bci();
576 int len = s.instruction_size();
577
578 // Restore original byte code.
579 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
580 if (len > 1) {
581 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
582 }
583
584 if (len > 1) {
585 // Restore the big-endian constant pool indexes.
586 // Cf. Rewriter::scan_method
587 switch (code) {
588 case Bytecodes::_getstatic:
589 case Bytecodes::_putstatic:
590 case Bytecodes::_getfield:
591 case Bytecodes::_putfield:
592 case Bytecodes::_invokevirtual:
593 case Bytecodes::_invokespecial:
594 case Bytecodes::_invokestatic:
595 case Bytecodes::_invokeinterface:
596 case Bytecodes::_invokehandle: {
597 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
598 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
599 break;
600 }
601
602 case Bytecodes::_invokedynamic:
603 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
604 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
605 break;
606 }
607
608 // Not all ldc byte code are rewritten.
609 switch (raw_code) {
610 case Bytecodes::_fast_aldc: {
611 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
612 int cp_index = method->constants()->object_to_cp_index(cpc_index);
613 assert(cp_index < method->constants()->length(), "sanity check");
614 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
615 break;
616 }
617
618 case Bytecodes::_fast_aldc_w: {
619 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
620 int cp_index = method->constants()->object_to_cp_index(cpc_index);
621 assert(cp_index < method->constants()->length(), "sanity check");
622 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
623 break;
624 }
625 }
626 }
627 }
628
629 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
630 C2V_END
631
632 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
633 ResourceMark rm;
634 methodHandle method = CompilerToVM::asMethod(jvmci_method);
635 return method->exception_table_length();
636 C2V_END
637
638 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
639 ResourceMark rm;
640 methodHandle method = CompilerToVM::asMethod(jvmci_method);
641 if (method->exception_table_length() == 0) {
642 return 0L;
643 }
644 return (jlong) (address) method->exception_table_start();
645 C2V_END
646
647 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
648 oop executable = JNIHandles::resolve(executable_handle);
649 oop mirror = NULL;
650 int slot = 0;
651
652 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
653 mirror = java_lang_reflect_Constructor::clazz(executable);
654 slot = java_lang_reflect_Constructor::slot(executable);
655 } else {
656 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
657 mirror = java_lang_reflect_Method::clazz(executable);
658 slot = java_lang_reflect_Method::slot(executable);
659 }
660 Klass* holder = java_lang_Class::as_Klass(mirror);
661 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
662 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
663 return JNIHandles::make_local(THREAD, result);
664 }
665
666 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
667 methodHandle method;
668 oop base_object = JNIHandles::resolve(base);
669 if (base_object == NULL) {
670 method = *((Method**)(offset));
671 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) {
672 method = (Method*) (intptr_t) base_object->long_field(offset);
673 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
674 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
675 } else {
676 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
677 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
678 }
679 assert (method.is_null() || method->is_method(), "invalid read");
680 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
681 return JNIHandles::make_local(THREAD, result);
682 }
683
684 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
685 constantPoolHandle cp;
686 oop object = JNIHandles::resolve(object_handle);
687 if (object == NULL) {
688 THROW_0(vmSymbols::java_lang_NullPointerException());
689 }
690 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
691 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
692 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
693 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
694 } else {
695 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
696 err_msg("Unexpected type: %s", object->klass()->external_name()));
697 }
698 assert(!cp.is_null(), "npe");
699 JavaValue method_result(T_OBJECT);
700 JavaCallArguments args;
701 args.push_long((jlong) (address) cp());
702 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
703 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
704 }
705
706 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
707 Klass* klass = NULL;
708 oop base_object = JNIHandles::resolve(base);
709 jlong base_address = 0;
710 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
711 klass = base_object->klass();
712 } else if (!compressed) {
713 if (base_object != NULL) {
714 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
715 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
716 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
717 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
718 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
719 base_address = (jlong) CompilerToVM::asKlass(base_object);
720 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
721 base_address = (jlong) (address) base_object;
722 } else {
723 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
724 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
725 }
726 }
727 klass = *((Klass**) (intptr_t) (base_address + offset));
728 } else {
729 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
730 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
731 }
732 assert (klass == NULL || klass->is_klass(), "invalid read");
733 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
734 return JNIHandles::make_local(THREAD, result);
735 }
736
737 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
738 ResourceMark rm;
739 methodHandle method = CompilerToVM::asMethod(jvmci_method);
740 Klass* holder = CompilerToVM::asKlass(jvmci_type);
741 if (holder->is_interface()) {
742 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
743 }
744
745 methodHandle ucm;
746 {
747 MutexLocker locker(Compile_lock);
748 ucm = Dependencies::find_unique_concrete_method(holder, method());
749 }
750 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
751 return JNIHandles::make_local(THREAD, result);
752 C2V_END
753
754 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
755 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
756 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
757 return JNIHandles::make_local(THREAD, implementor);
758 C2V_END
759
760 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
761 methodHandle method = CompilerToVM::asMethod(jvmci_method);
762 return method->is_ignored_by_security_stack_walk();
763 C2V_END
764
765 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
766 methodHandle method = CompilerToVM::asMethod(jvmci_method);
767 return !method->is_not_compilable(CompLevel_full_optimization);
768 C2V_END
769
770 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
771 methodHandle method = CompilerToVM::asMethod(jvmci_method);
772 return CompilerOracle::should_not_inline(method) || method->dont_inline();
773 C2V_END
774
775 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
776 methodHandle method = CompilerToVM::asMethod(jvmci_method);
777 return CompilerOracle::should_inline(method) || method->force_inline();
778 C2V_END
779
780 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
781 ResourceMark rm;
782 Handle name(THREAD, JNIHandles::resolve(jname));
783 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0);
784 if (java_lang_String::length(name()) <= 1) {
785 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
786 }
787
788 Klass* resolved_klass = NULL;
789 if (JNIHandles::resolve(accessing_class) == NULL) {
790 THROW_0(vmSymbols::java_lang_NullPointerException());
791 }
792 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
793 Handle class_loader(THREAD, accessing_klass->class_loader());
794 Handle protection_domain(THREAD, accessing_klass->protection_domain());
795
796 if (resolve) {
797 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
798 } else {
799 if (class_name->byte_at(0) == 'L' &&
800 class_name->byte_at(class_name->utf8_length()-1) == ';') {
801 // This is a name from a signature. Strip off the trimmings.
802 // Call recursive to keep scope of strippedsym.
803 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
804 class_name->utf8_length()-2,
805 CHECK_0);
806 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
807 } else if (FieldType::is_array(class_name)) {
808 FieldArrayInfo fd;
809 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
810 // of this call
811 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
812 if (t == T_OBJECT) {
813 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
814 class_name->utf8_length()-2-fd.dimension(),
815 CHECK_0);
816 // naked oop "k" is OK here -- we assign back into it
817 resolved_klass = SystemDictionary::find(strippedsym,
818 class_loader,
819 protection_domain,
820 CHECK_0);
821 if (resolved_klass != NULL) {
822 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
823 }
824 } else {
825 resolved_klass = Universe::typeArrayKlassObj(t);
826 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
827 }
828 }
829 }
830 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
831 return JNIHandles::make_local(THREAD, result);
832 C2V_END
833
834 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
835 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
836 oop result = cp->resolve_constant_at(index, CHECK_NULL);
837 return JNIHandles::make_local(THREAD, result);
838 C2V_END
839
840 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
841 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
842 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
843 return JNIHandles::make_local(THREAD, result);
844 C2V_END
845
846 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
847 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
848 return cp->name_and_type_ref_index_at(index);
849 C2V_END
850
851 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
852 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
853 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
854 return JNIHandles::make_local(THREAD, sym());
855 C2V_END
856
857 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
858 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
859 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
860 return JNIHandles::make_local(THREAD, sym());
861 C2V_END
862
863 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
864 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
865 return cp->klass_ref_index_at(index);
866 C2V_END
867
868 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
869 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
870 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
871 oop klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
872 return JNIHandles::make_local(THREAD, klass);
873 C2V_END
874
875 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
876 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
877 Klass* loading_klass = cp->pool_holder();
878 bool is_accessible = false;
879 Klass* klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
880 Symbol* symbol = NULL;
881 if (klass == NULL) {
882 symbol = cp->klass_name_at(index);
883 }
884 oop result_oop;
885 if (klass != NULL) {
886 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
887 } else {
888 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
889 result_oop = result();
890 }
891 return JNIHandles::make_local(THREAD, result_oop);
892 C2V_END
893
894 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
895 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
896 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
897 return JNIHandles::make_local(THREAD, appendix_oop);
898 C2V_END
899
900 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
901 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
902 InstanceKlass* pool_holder = cp->pool_holder();
903 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
904 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
905 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
906 return JNIHandles::make_local(THREAD, result);
907 C2V_END
908
909 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
910 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
911 return cp->remap_instruction_operand_from_cache(index);
912 C2V_END
913
914 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
915 ResourceMark rm;
916 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
917 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
918 fieldDescriptor fd;
919 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
920 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
921 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
922 if (info == NULL || info->length() != 3) {
923 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
924 }
925 info->int_at_put(0, fd.access_flags().as_int());
926 info->int_at_put(1, fd.offset());
927 info->int_at_put(2, fd.index());
928 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
929 return JNIHandles::make_local(THREAD, field_holder);
930 C2V_END
931
932 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
933 ResourceMark rm;
934 Klass* klass = CompilerToVM::asKlass(jvmci_type);
935 Method* method = CompilerToVM::asMethod(jvmci_method);
936 if (klass->is_interface()) {
937 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
938 }
939 if (!method->method_holder()->is_interface()) {
940 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()));
941 }
942 if (!InstanceKlass::cast(klass)->is_linked()) {
943 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
944 }
945 return LinkResolver::vtable_index_of_interface_method(klass, method);
946 C2V_END
947
948 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
949 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
950 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
951 methodHandle method = CompilerToVM::asMethod(jvmci_method);
952
953 Klass* resolved = method->method_holder();
954 Symbol* h_name = method->name();
955 Symbol* h_signature = method->signature();
956
957 if (MethodHandles::is_signature_polymorphic_method(method())) {
958 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
959 return NULL;
960 }
961
962 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
963 methodHandle m;
964 // Only do exact lookup if receiver klass has been linked. Otherwise,
965 // the vtable has not been setup, and the LinkResolver will fail.
966 if (recv_klass->is_array_klass() ||
967 InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface()) {
968 if (resolved->is_interface()) {
969 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
970 } else {
971 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
972 }
973 }
974
975 if (m.is_null()) {
976 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
977 return NULL;
978 }
979
980 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
981 return JNIHandles::make_local(THREAD, result);
982 C2V_END
983
984 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
985 Klass* klass = CompilerToVM::asKlass(jvmci_type);
986 assert(klass != NULL, "method must not be called for primitive types");
987 return Dependencies::find_finalizable_subclass(klass) != NULL;
988 C2V_END
989
990 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
991 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
992 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
993 return JNIHandles::make_local(THREAD, result);
994 C2V_END
995
996 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
997 address target_addr = (address) addr;
998 if (target_addr != 0x0) {
999 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
1000 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
1001 return MAX2(ABS(off_low), ABS(off_high));
1002 }
1003 return -1;
1004 C2V_END
1005
1006 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method))
1007 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1008 method->set_not_c1_compilable();
1009 method->set_not_c2_compilable();
1010 method->set_dont_inline(true);
1011 C2V_END
1012
1013 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
1014 ResourceMark rm;
1015 HandleMark hm;
1016 JNIHandleMark jni_hm;
1017
1018 Handle target_handle(THREAD, JNIHandles::resolve(target));
1019 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
1020 CodeBlob* cb = NULL;
1021 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1022 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));
1023
1024 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
1025
1026 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
1027 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
1028 CodeInstaller installer(is_immutable_PIC);
1029 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
1030
1031 if (PrintCodeCacheOnCompilation) {
1032 stringStream s;
1033 // Dump code cache into a buffer before locking the tty,
1034 {
1035 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
1036 CodeCache::print_summary(&s, false);
1037 }
1038 ttyLocker ttyl;
1039 tty->print_raw_cr(s.as_string());
1040 }
1041
1042 if (result != JVMCIEnv::ok) {
1043 assert(cb == NULL, "should be");
1044 } else {
1045 if (!installed_code_handle.is_null()) {
1046 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
1047 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
1048 {
1049 // Ensure that all updates to the InstalledCode fields are consistent.
1050 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
1051 InstalledCode::set_address(installed_code_handle, (jlong) cb);
1052 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
1053 if (cb->is_nmethod()) {
1054 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
1055 } else {
1056 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
1057 }
1058 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
1059 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
1060 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
1061 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
1062 }
1063 }
1064 nmethod* nm = cb->as_nmethod_or_null();
1065 if (nm != NULL && installed_code_handle->is_scavengable()) {
1066 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
1067 if (!UseG1GC) {
1068 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
1069 }
1070 }
1071 }
1072 }
1073 return result;
1074 C2V_END
1075
1076 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
1077 ResourceMark rm;
1078 HandleMark hm;
1079
1080 Handle target_handle(THREAD, JNIHandles::resolve(target));
1081 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
1082 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));
1083
1084 CodeMetadata code_metadata;
1085 CodeBlob *cb = NULL;
1086 CodeInstaller installer(true /* immutable PIC compilation */);
1087
1088 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
1089 if (result != JVMCIEnv::ok) {
1090 return result;
1091 }
1092
1093 if (code_metadata.get_nr_pc_desc() > 0) {
1094 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
1095 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
1096 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
1097 }
1098
1099 if (code_metadata.get_scopes_size() > 0) {
1100 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
1101 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
1102 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
1103 }
1104
1105 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
1106 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
1107 if (reloc_buffer->size() > 0) {
1108 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
1109 }
1110 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
1111
1112 const OopMapSet* oopMapSet = installer.oopMapSet();
1113 {
1114 ResourceMark mark;
1115 ImmutableOopMapBuilder builder(oopMapSet);
1116 int oopmap_size = builder.heap_size();
1117 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
1118 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
1119 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
1120 }
1121
1122 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
1123
1124 int nr_meta_strings = recorder->nr_meta_strings();
1125 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_strings, CHECK_(JVMCIEnv::cache_full));
1126 objArrayHandle metadataArrayHandle(THREAD, metadataArray);
1127 for (int i = 0; i < nr_meta_strings; ++i) {
1128 const char* element = recorder->meta_element(i);
1129 Handle java_string = java_lang_String::create_from_str(element, CHECK_(JVMCIEnv::cache_full));
1130 metadataArrayHandle->obj_at_put(i, java_string());
1131 }
1132 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
1133
1134 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
1135 int table_size = handler->size_in_bytes();
1136 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));
1137
1138 if (table_size > 0) {
1139 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
1140 }
1141 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
1142
1143 return result;
1144 C2V_END
1145
1146 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
1147 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
1148 CompilerStatistics* stats = compiler->stats();
1149 stats->_standard.reset();
1150 stats->_osr.reset();
1151 C2V_END
1152
1153 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
1154 ResourceMark rm;
1155 HandleMark hm;
1156
1157 if (installedCode == NULL) {
1158 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
1159 }
1160
1161 jlong codeBlob = InstalledCode::address(installedCode);
1162 if (codeBlob == 0L) {
1163 return NULL;
1164 }
1165
1166 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
1167 if (cb == NULL) {
1168 return NULL;
1169 }
1170
1171 // We don't want the stringStream buffer to resize during disassembly as it
1172 // uses scoped resource memory. If a nested function called during disassembly uses
1173 // a ResourceMark and the buffer expands within the scope of the mark,
1174 // the buffer becomes garbage when that scope is exited. Experience shows that
1175 // the disassembled code is typically about 10x the code size so a fixed buffer
1176 // sized to 20x code size plus a fixed amount for header info should be sufficient.
1177 int bufferSize = cb->code_size() * 20 + 1024;
1178 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
1179 stringStream st(buffer, bufferSize);
1180 if (cb->is_nmethod()) {
1181 nmethod* nm = (nmethod*) cb;
1182 if (!nm->is_alive()) {
1183 return NULL;
1184 }
1185 }
1186 Disassembler::decode(cb, &st);
1187 if (st.size() <= 0) {
1188 return NULL;
1189 }
1190
1191 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1192 return JNIHandles::make_local(THREAD, result());
1193 C2V_END
1194
1195 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1196 ResourceMark rm;
1197 HandleMark hm;
1198
1199 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1200 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1201 return JNIHandles::make_local(THREAD, element);
1202 C2V_END
1203
1204 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1205 ResourceMark rm;
1206 HandleMark hm;
1207
1208 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1209 if (nmethodValue == 0L) {
1210 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1211 }
1212 nmethod* nm = (nmethod*) (address) nmethodValue;
1213 methodHandle mh = nm->method();
1214 Symbol* signature = mh->signature();
1215 JavaCallArguments jca(mh->size_of_parameters());
1216
1217 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1218 JavaValue result(jap.get_ret_type());
1219 jca.set_alternative_target(nm);
1220 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1221
1222 if (jap.get_ret_type() == T_VOID) {
1223 return NULL;
1224 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1225 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1226 } else {
1227 jvalue *value = (jvalue *) result.get_value_addr();
1228 // Narrow the value down if required (Important on big endian machines)
1229 switch (jap.get_ret_type()) {
1230 case T_BOOLEAN:
1231 value->z = (jboolean) value->i;
1232 break;
1233 case T_BYTE:
1234 value->b = (jbyte) value->i;
1235 break;
1236 case T_CHAR:
1237 value->c = (jchar) value->i;
1238 break;
1239 case T_SHORT:
1240 value->s = (jshort) value->i;
1241 break;
1242 }
1243 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1244 return JNIHandles::make_local(THREAD, o);
1245 }
1246 C2V_END
1247
1248 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1249 Method* method = CompilerToVM::asMethod(jvmci_method);
1250 if (!method->has_linenumber_table()) {
1251 return NULL;
1252 }
1253 u2 num_entries = 0;
1254 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1255 while (streamForSize.read_pair()) {
1256 num_entries++;
1257 }
1258
1259 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1260 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1261
1262 int i = 0;
1263 jlong value;
1264 while (stream.read_pair()) {
1265 value = ((long) stream.bci());
1266 result->long_at_put(i, value);
1267 value = ((long) stream.line());
1268 result->long_at_put(i + 1, value);
1269 i += 2;
1270 }
1271
1272 return (jlongArray) JNIHandles::make_local(THREAD, result);
1273 C2V_END
1274
1275 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1276 ResourceMark rm;
1277 Method* method = CompilerToVM::asMethod(jvmci_method);
1278 if (!method->has_localvariable_table()) {
1279 return 0;
1280 }
1281 return (jlong) (address) method->localvariable_table_start();
1282 C2V_END
1283
1284 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1285 ResourceMark rm;
1286 Method* method = CompilerToVM::asMethod(jvmci_method);
1287 return method->localvariable_table_length();
1288 C2V_END
1289
1290 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1291 Method* method = CompilerToVM::asMethod(jvmci_method);
1292 MethodCounters* mcs = method->method_counters();
1293 if (mcs != NULL) {
1294 mcs->clear_counters();
1295 }
1296 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1297
1298 CompiledMethod* code = method->code();
1299 if (code != NULL) {
1300 code->make_not_entrant();
1301 }
1302
1303 MethodData* method_data = method->method_data();
1304 if (method_data == NULL) {
1305 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1306 method_data = MethodData::allocate(loader_data, method, CHECK);
1307 method->set_method_data(method_data);
1308 } else {
1309 method_data->initialize();
1310 }
1311 C2V_END
1312
1313
1314 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1315 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1316 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1317 C2V_END
1318
1319 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1320 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1321 JavaThread::collect_counters(arrayOop);
1322 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1323 C2V_END
1324
1325 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1326 HandleMark hm;
1327 ResourceMark rm;
1328 if (JNIHandles::resolve(jvmci_method) == NULL) {
1329 THROW_0(vmSymbols::java_lang_NullPointerException());
1330 }
1331 Method* method = CompilerToVM::asMethod(jvmci_method);
1332 if (entry_bci >= method->code_size() || entry_bci < -1) {
1333 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1334 }
1335 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1336 C2V_END
1337
1338
1339 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1340 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1341 return mdo != NULL && mdo->is_mature();
1342 C2V_END
1343
1344 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1345 Method* method = CompilerToVM::asMethod(jvmci_method);
1346 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1347 C2V_END
1348
1349 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1350 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1351 return JNIHandles::make_local(THREAD, sym());
1352 C2V_END
1353
1354 bool matches(jobjectArray methods, Method* method) {
1355 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1356
1357 for (int i = 0; i < methods_oop->length(); i++) {
1358 oop resolved = methods_oop->obj_at(i);
1359 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1360 return true;
1361 }
1362 }
1363 return false;
1364 }
1365
1366 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1367 ResourceMark rm;
1368
1369 if (!thread->has_last_Java_frame()) return NULL;
1370 Handle result = HotSpotStackFrameReference::klass()->allocate_instance_handle(thread);
1371 HotSpotStackFrameReference::klass()->initialize(thread);
1372
1373 StackFrameStream fst(thread);
1374 if (hs_frame != NULL) {
1375 // look for the correct stack frame if one is given
1376 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1377 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1378 fst.next();
1379 }
1380 if (fst.current()->sp() != stack_pointer) {
1381 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1382 }
1383 }
1384
1385 int frame_number = 0;
1386 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1387 if (hs_frame != NULL) {
1388 // look for the correct vframe within the stack frame if one is given
1389 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1390 while (frame_number < last_frame_number) {
1391 if (vf->is_top()) {
1392 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1393 }
1394 vf = vf->sender();
1395 frame_number ++;
1396 }
1397 // move one frame forward
1398 if (vf->is_top()) {
1399 if (fst.is_done()) {
1400 return NULL;
1401 }
1402 fst.next();
1403 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1404 frame_number = 0;
1405 } else {
1406 vf = vf->sender();
1407 frame_number++;
1408 }
1409 }
1410
1411 while (true) {
1412 // look for the given method
1413 while (true) {
1414 StackValueCollection* locals = NULL;
1415 if (vf->is_compiled_frame()) {
1416 // compiled method frame
1417 compiledVFrame* cvf = compiledVFrame::cast(vf);
1418 if (methods == NULL || matches(methods, cvf->method())) {
1419 if (initialSkip > 0) {
1420 initialSkip --;
1421 } else {
1422 ScopeDesc* scope = cvf->scope();
1423 // native wrapper do not have a scope
1424 if (scope != NULL && scope->objects() != NULL) {
1425 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1426 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1427
1428 GrowableArray<ScopeValue*>* local_values = scope->locals();
1429 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), thread);
1430 typeArrayHandle array(THREAD, array_oop);
1431 for (int i = 0; i < local_values->length(); i++) {
1432 ScopeValue* value = local_values->at(i);
1433 if (value->is_object()) {
1434 array->bool_at_put(i, true);
1435 }
1436 }
1437 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1438 } else {
1439 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1440 }
1441
1442 locals = cvf->locals();
1443 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1444 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1445 HotSpotStackFrameReference::set_method(result, method);
1446 }
1447 }
1448 } else if (vf->is_interpreted_frame()) {
1449 // interpreted method frame
1450 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1451 if (methods == NULL || matches(methods, ivf->method())) {
1452 if (initialSkip > 0) {
1453 initialSkip --;
1454 } else {
1455 locals = ivf->locals();
1456 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1457 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1458 HotSpotStackFrameReference::set_method(result, method);
1459 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1460 }
1461 }
1462 }
1463
1464 // locals != NULL means that we found a matching frame and result is already partially initialized
1465 if (locals != NULL) {
1466 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1467 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1468 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1469
1470 // initialize the locals array
1471 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1472 objArrayHandle array(THREAD, array_oop);
1473 for (int i = 0; i < locals->size(); i++) {
1474 StackValue* var = locals->at(i);
1475 if (var->type() == T_OBJECT) {
1476 array->obj_at_put(i, locals->at(i)->get_obj()());
1477 }
1478 }
1479 HotSpotStackFrameReference::set_locals(result, array());
1480
1481 return JNIHandles::make_local(thread, result());
1482 }
1483
1484 if (vf->is_top()) {
1485 break;
1486 }
1487 frame_number++;
1488 vf = vf->sender();
1489 } // end of vframe loop
1490
1491 if (fst.is_done()) {
1492 break;
1493 }
1494 fst.next();
1495 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1496 frame_number = 0;
1497 } // end of frame loop
1498
1499 // the end was reached without finding a matching method
1500 return NULL;
1501 C2V_END
1502
1503 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1504 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1505 CallInfo callInfo;
1506 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1507 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1508 cp_cache_entry->set_dynamic_call(cp, callInfo);
1509 C2V_END
1510
1511 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1512 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1513 Klass* holder = cp->klass_ref_at(index, CHECK);
1514 Symbol* name = cp->name_ref_at(index);
1515 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1516 CallInfo callInfo;
1517 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1518 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1519 cp_cache_entry->set_method_handle(cp, callInfo);
1520 }
1521 C2V_END
1522
1523 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1524 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
1525 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1526 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1527 holders->obj_at_put(0, mh());
1528 holders->obj_at_put(1, vh());
1529 return JNIHandles::make_local(THREAD, holders());
1530 C2V_END
1531
1532 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1533 //see compute_recording_non_safepoints in debugInfroRec.cpp
1534 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1535 return true;
1536 }
1537 return DebugNonSafepoints;
1538 C2V_END
1539
1540 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1541 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1542 ResourceMark rm;
1543
1544 if (hs_frame == NULL) {
1545 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1546 }
1547
1548 HotSpotStackFrameReference::klass()->initialize(thread);
1549
1550 // look for the given stack frame
1551 StackFrameStream fst(thread);
1552 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1553 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1554 fst.next();
1555 }
1556 if (fst.current()->sp() != stack_pointer) {
1557 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1558 }
1559
1560 if (invalidate) {
1561 if (!fst.current()->is_compiled_frame()) {
1562 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1563 }
1564 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1565 ((nmethod*) fst.current()->cb())->make_not_entrant();
1566 }
1567 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1568 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1569 StackFrameStream fstAfterDeopt(thread);
1570 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1571 fstAfterDeopt.next();
1572 }
1573 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1574 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1575 }
1576
1577 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1578 if (!vf->is_compiled_frame()) {
1579 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1580 }
1581
1582 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1583 while (true) {
1584 assert(vf->is_compiled_frame(), "Wrong frame type");
1585 virtualFrames->push(compiledVFrame::cast(vf));
1586 if (vf->is_top()) {
1587 break;
1588 }
1589 vf = vf->sender();
1590 }
1591
1592 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1593 if (last_frame_number >= virtualFrames->length()) {
1594 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1595 }
1596
1597 // Reallocate the non-escaping objects and restore their fields.
1598 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1599 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1600
1601 if (objects == NULL) {
1602 // no objects to materialize
1603 return;
1604 }
1605
1606 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1607 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1608
1609 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1610 compiledVFrame* cvf = virtualFrames->at(frame_index);
1611
1612 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1613 StackValueCollection* locals = cvf->locals();
1614
1615 if (locals != NULL) {
1616 for (int i2 = 0; i2 < locals->size(); i2++) {
1617 StackValue* var = locals->at(i2);
1618 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1619 jvalue val;
1620 val.l = (jobject) locals->at(i2)->get_obj()();
1621 cvf->update_local(T_OBJECT, i2, val);
1622 }
1623 }
1624 }
1625 }
1626
1627 // all locals are materialized by now
1628 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1629
1630 // update the locals array
1631 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame));
1632 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1633 for (int i = 0; i < locals->size(); i++) {
1634 StackValue* var = locals->at(i);
1635 if (var->type() == T_OBJECT) {
1636 array->obj_at_put(i, locals->at(i)->get_obj()());
1637 }
1638 }
1639 C2V_END
1640
1641 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1642 if (bytes == NULL) {
1643 THROW(vmSymbols::java_lang_NullPointerException());
1644 }
1645 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1646
1647 // Check if offset and length are non negative.
1648 if (offset < 0 || length < 0) {
1649 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1650 }
1651 // Check if the range is valid.
1652 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1653 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1654 }
1655 while (length > 0) {
1656 jbyte* start = array->byte_at_addr(offset);
1657 tty->write((char*) start, MIN2(length, O_BUFLEN));
1658 length -= O_BUFLEN;
1659 offset += O_BUFLEN;
1660 }
1661 C2V_END
1662
1663 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1664 tty->flush();
1665 C2V_END
1666
1667 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1668 ResourceMark rm;
1669 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1670 ProfileData* profile_data = mdo->data_at(position);
1671 if (mdo->is_valid(profile_data)) {
1672 return profile_data->size_in_bytes();
1673 }
1674 DataLayout* data = mdo->extra_data_base();
1675 DataLayout* end = mdo->extra_data_limit();
1676 for (;; data = mdo->next_extra(data)) {
1677 assert(data < end, "moved past end of extra data");
1678 profile_data = data->data_in();
1679 if (mdo->dp_to_di(profile_data->dp()) == position) {
1680 return profile_data->size_in_bytes();
1681 }
1682 }
1683 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1684 C2V_END
1685
1686 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1687 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1688 if (k->is_instance_klass()) {
1689 return InstanceKlass::cast(k)->get_stored_fingerprint();
1690 } else {
1691 return 0;
1692 }
1693 C2V_END
1694
1695 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1696 if (bytecode_frame_handle == NULL) {
1697 THROW_0(vmSymbols::java_lang_NullPointerException());
1698 }
1699
1700 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1701 oop bytecode_frame = top_bytecode_frame;
1702 int size = 0;
1703 int callee_parameters = 0;
1704 int callee_locals = 0;
1705 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1706 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1707
1708 while (bytecode_frame != NULL) {
1709 int locks = BytecodeFrame::numLocks(bytecode_frame);
1710 int temps = BytecodeFrame::numStack(bytecode_frame);
1711 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1712 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1713
1714 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1715 temps + callee_parameters,
1716 extra_args,
1717 locks,
1718 callee_parameters,
1719 callee_locals,
1720 is_top_frame);
1721 size += frame_size;
1722
1723 callee_parameters = method->size_of_parameters();
1724 callee_locals = method->max_locals();
1725 extra_args = 0;
1726 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1727 }
1728 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1729 C2V_END
1730
1731 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1732 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
1733 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1734 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1735 JavaValue result(T_VOID);
1736 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1737 } else {
1738 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1739 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1740 }
1741 C2V_END
1742
1743 #define CC (char*) /*cast a literal from (const char*)*/
1744 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1745
1746 #define STRING "Ljava/lang/String;"
1747 #define OBJECT "Ljava/lang/Object;"
1748 #define CLASS "Ljava/lang/Class;"
1749 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1750 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1751 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1752 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1753 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1754 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1755 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1756 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1757 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1758 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1759 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1760 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1761 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1762 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1763 #define METASPACE_METHOD_DATA "J"
1764
1765 JNINativeMethod CompilerToVM::methods[] = {
1766 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1767 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1768 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1769 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1770 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1771 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1772 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1773 {CC "doNotInlineOrCompile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(doNotInlineOrCompile)},
1774 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1775 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1776 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1777 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1778 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1779 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1780 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1781 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1782 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1783 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1784 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1785 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1786 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1787 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1788 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1789 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1790 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1791 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1792 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1793 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1794 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1795 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1796 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1797 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1798 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1799 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1800 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1801 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1802 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1803 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1804 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1805 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1806 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1807 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1808 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1809 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1810 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1811 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1812 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1813 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1814 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1815 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1816 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1817 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1818 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1819 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1820 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1821 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1822 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1823 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1824 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1825 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1826 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1827 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
1828 };
1829
1830 int CompilerToVM::methods_count() {
1831 return sizeof(methods) / sizeof(JNINativeMethod);
1832 }