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