1 /*
2 * Copyright (c) 2011, 2018, 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 "ci/ciUtilities.hpp"
26 #include "classfile/javaClasses.inline.hpp"
27 #include "code/codeCache.hpp"
28 #include "code/scopeDesc.hpp"
29 #include "interpreter/linkResolver.hpp"
30 #include "memory/oopFactory.hpp"
31 #include "memory/resourceArea.hpp"
32 #include "oops/cpCache.inline.hpp"
33 #include "oops/generateOopMap.hpp"
34 #include "oops/fieldStreams.hpp"
35 #include "oops/method.inline.hpp"
36 #include "oops/oop.inline.hpp"
37 #include "oops/objArrayOop.inline.hpp"
38 #include "oops/typeArrayOop.inline.hpp"
39 #include "runtime/fieldDescriptor.hpp"
40 #include "runtime/javaCalls.hpp"
41 #include "runtime/jniHandles.inline.hpp"
42 #include "jvmci/jvmciRuntime.hpp"
43 #include "compiler/abstractCompiler.hpp"
44 #include "compiler/compileBroker.hpp"
45 #include "compiler/compilerOracle.hpp"
46 #include "compiler/disassembler.hpp"
47 #include "compiler/oopMap.hpp"
48 #include "jvmci/jvmciCompilerToVM.hpp"
49 #include "jvmci/jvmciCompiler.hpp"
50 #include "jvmci/jvmciEnv.hpp"
51 #include "jvmci/jvmciJavaClasses.hpp"
52 #include "jvmci/jvmciCodeInstaller.hpp"
53 #include "jvmci/vmStructs_jvmci.hpp"
54 #include "gc/g1/heapRegion.hpp"
55 #include "gc/shared/cardTable.hpp"
56 #include "runtime/javaCalls.hpp"
57 #include "runtime/deoptimization.hpp"
58 #include "runtime/timerTrace.hpp"
59 #include "runtime/vframe.hpp"
60 #include "runtime/vframe_hp.hpp"
61 #include "runtime/vmStructs.hpp"
62 #include "utilities/resourceHash.hpp"
63
64
65 void JNIHandleMark::push_jni_handle_block() {
66 JavaThread* thread = JavaThread::current();
67 if (thread != NULL) {
68 // Allocate a new block for JNI handles.
69 // Inlined code from jni_PushLocalFrame()
70 JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles();
71 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
72 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
73 compile_handles->set_pop_frame_link(java_handles);
74 thread->set_active_handles(compile_handles);
75 }
76 }
77
78 void JNIHandleMark::pop_jni_handle_block() {
79 JavaThread* thread = JavaThread::current();
80 if (thread != NULL) {
81 // Release our JNI handle block
82 JNIHandleBlock* compile_handles = thread->active_handles();
83 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
84 thread->set_active_handles(java_handles);
85 compile_handles->set_pop_frame_link(NULL);
86 JNIHandleBlock::release_block(compile_handles, thread); // may block
87 }
88 }
89
90 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
91 #define C2V_VMENTRY(result_type, name, signature) \
92 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
93 TRACE_jvmci_1("CompilerToVM::" #name); \
94 TRACE_CALL(result_type, jvmci_ ## name signature) \
95 JVMCI_VM_ENTRY_MARK; \
96
97 #define C2V_END }
98
99 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
100 if (method() != NULL) {
101 JavaValue result(T_OBJECT);
102 JavaCallArguments args;
103 args.push_long((jlong) (address) method());
104 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
105
106 return (oop)result.get_jobject();
107 }
108 return NULL;
109 }
110
111 oop CompilerToVM::get_jvmci_type(Klass* klass, TRAPS) {
112 if (klass != NULL) {
113 JavaValue result(T_OBJECT);
114 JavaCallArguments args;
115 args.push_oop(Handle(THREAD, klass->java_mirror()));
116 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
117
118 return (oop)result.get_jobject();
119 }
120 return NULL;
121 }
122
123
124 int CompilerToVM::Data::Klass_vtable_start_offset;
125 int CompilerToVM::Data::Klass_vtable_length_offset;
126
127 int CompilerToVM::Data::Method_extra_stack_entries;
128
129 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
130 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
131 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
132 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
133
134 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
135
136 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
137 int CompilerToVM::Data::Universe_base_vtable_size;
138 address CompilerToVM::Data::Universe_narrow_oop_base;
139 int CompilerToVM::Data::Universe_narrow_oop_shift;
140 address CompilerToVM::Data::Universe_narrow_klass_base;
141 int CompilerToVM::Data::Universe_narrow_klass_shift;
142 void* CompilerToVM::Data::Universe_non_oop_bits;
143 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
144 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
145
146 bool CompilerToVM::Data::_supports_inline_contig_alloc;
147 HeapWord** CompilerToVM::Data::_heap_end_addr;
148 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
149 int CompilerToVM::Data::_max_oop_map_stack_offset;
150
151 jbyte* CompilerToVM::Data::cardtable_start_address;
152 int CompilerToVM::Data::cardtable_shift;
153
154 int CompilerToVM::Data::vm_page_size;
155
156 int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry);
157 int CompilerToVM::Data::sizeof_ExceptionTableElement = sizeof(ExceptionTableElement);
158 int CompilerToVM::Data::sizeof_LocalVariableTableElement = sizeof(LocalVariableTableElement);
159 int CompilerToVM::Data::sizeof_ConstantPool = sizeof(ConstantPool);
160 int CompilerToVM::Data::sizeof_SymbolPointer = sizeof(Symbol*);
161 int CompilerToVM::Data::sizeof_narrowKlass = sizeof(narrowKlass);
162 int CompilerToVM::Data::sizeof_arrayOopDesc = sizeof(arrayOopDesc);
163 int CompilerToVM::Data::sizeof_BasicLock = sizeof(BasicLock);
164
165 address CompilerToVM::Data::dsin;
166 address CompilerToVM::Data::dcos;
167 address CompilerToVM::Data::dtan;
168 address CompilerToVM::Data::dexp;
169 address CompilerToVM::Data::dlog;
170 address CompilerToVM::Data::dlog10;
171 address CompilerToVM::Data::dpow;
172
173 address CompilerToVM::Data::symbol_init;
174 address CompilerToVM::Data::symbol_clinit;
175
176 void CompilerToVM::Data::initialize(TRAPS) {
177 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
178 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
179
180 Method_extra_stack_entries = Method::extra_stack_entries();
181
182 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
183 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
184 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
185 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
186
187 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
188
189 Universe_collectedHeap = Universe::heap();
190 Universe_base_vtable_size = Universe::base_vtable_size();
191 Universe_narrow_oop_base = Universe::narrow_oop_base();
192 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
193 Universe_narrow_klass_base = Universe::narrow_klass_base();
194 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
195 Universe_non_oop_bits = Universe::non_oop_word();
196 Universe_verify_oop_mask = Universe::verify_oop_mask();
197 Universe_verify_oop_bits = Universe::verify_oop_bits();
198
199 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
200 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
201 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1;
202
203 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
204 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
205 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
206 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
207
208 symbol_init = (address) vmSymbols::object_initializer_name();
209 symbol_clinit = (address) vmSymbols::class_initializer_name();
210
211 BarrierSet* bs = Universe::heap()->barrier_set();
212 if (bs->is_a(BarrierSet::CardTableModRef)) {
213 jbyte* base = ci_card_table_address();
214 assert(base != NULL, "unexpected byte_map_base");
215 cardtable_start_address = base;
216 cardtable_shift = CardTable::card_shift;
217 } else {
218 // No card mark barriers
219 cardtable_start_address = 0;
220 cardtable_shift = 0;
221 }
222
223 vm_page_size = os::vm_page_size();
224
225 #define SET_TRIGFUNC(name) \
226 if (StubRoutines::name() != NULL) { \
227 name = StubRoutines::name(); \
228 } else { \
229 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
230 }
231
232 SET_TRIGFUNC(dsin);
233 SET_TRIGFUNC(dcos);
234 SET_TRIGFUNC(dtan);
235 SET_TRIGFUNC(dexp);
236 SET_TRIGFUNC(dlog10);
237 SET_TRIGFUNC(dlog);
238 SET_TRIGFUNC(dpow);
239
240 #undef SET_TRIGFUNC
241 }
242
243 objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) {
244 objArrayHandle vmIntrinsics = oopFactory::new_objArray_handle(VMIntrinsicMethod::klass(), (vmIntrinsics::ID_LIMIT - 1), CHECK_(objArrayHandle()));
245 int index = 0;
246 // The intrinsics for a class are usually adjacent to each other.
247 // When they are, the string for the class name can be reused.
248 vmSymbols::SID kls_sid = vmSymbols::NO_SID;
249 Handle kls_str;
250 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n)
251 #define VM_SYMBOL_TO_STRING(s) \
252 java_lang_String::create_from_symbol(vmSymbols::symbol_at(SID_ENUM(s)), CHECK_(objArrayHandle()))
253 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
254 instanceHandle vmIntrinsicMethod = InstanceKlass::cast(VMIntrinsicMethod::klass())->allocate_instance_handle(CHECK_(objArrayHandle())); \
255 if (kls_sid != SID_ENUM(kls)) { \
256 kls_str = VM_SYMBOL_TO_STRING(kls); \
257 kls_sid = SID_ENUM(kls); \
258 } \
259 Handle name_str = VM_SYMBOL_TO_STRING(name); \
260 Handle sig_str = VM_SYMBOL_TO_STRING(sig); \
261 VMIntrinsicMethod::set_declaringClass(vmIntrinsicMethod, kls_str()); \
262 VMIntrinsicMethod::set_name(vmIntrinsicMethod, name_str()); \
263 VMIntrinsicMethod::set_descriptor(vmIntrinsicMethod, sig_str()); \
264 VMIntrinsicMethod::set_id(vmIntrinsicMethod, vmIntrinsics::id); \
265 vmIntrinsics->obj_at_put(index++, vmIntrinsicMethod()); \
266 }
267
268 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
269 #undef SID_ENUM
270 #undef VM_SYMBOL_TO_STRING
271 #undef VM_INTRINSIC_INFO
272 assert(index == vmIntrinsics::ID_LIMIT - 1, "must be");
273
274 return vmIntrinsics;
275 }
276
277 /**
278 * The set of VM flags known to be used.
279 */
280 #define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_intx_flag, do_uintx_flag) \
281 do_intx_flag(AllocateInstancePrefetchLines) \
282 do_intx_flag(AllocatePrefetchDistance) \
283 do_intx_flag(AllocatePrefetchInstr) \
284 do_intx_flag(AllocatePrefetchLines) \
285 do_intx_flag(AllocatePrefetchStepSize) \
286 do_intx_flag(AllocatePrefetchStyle) \
287 do_intx_flag(BciProfileWidth) \
288 do_bool_flag(BootstrapJVMCI) \
289 do_bool_flag(CITime) \
290 do_bool_flag(CITimeEach) \
291 do_uintx_flag(CodeCacheSegmentSize) \
292 do_intx_flag(CodeEntryAlignment) \
293 do_bool_flag(CompactFields) \
294 NOT_PRODUCT(do_intx_flag(CompileTheWorldStartAt)) \
295 NOT_PRODUCT(do_intx_flag(CompileTheWorldStopAt)) \
296 do_intx_flag(ContendedPaddingWidth) \
297 do_bool_flag(DontCompileHugeMethods) \
298 do_bool_flag(EnableContended) \
299 do_intx_flag(FieldsAllocationStyle) \
300 do_bool_flag(FoldStableValues) \
301 do_bool_flag(ForceUnreachable) \
302 do_intx_flag(HugeMethodLimit) \
303 do_bool_flag(Inline) \
304 do_intx_flag(JVMCICounterSize) \
305 do_bool_flag(JVMCIPrintProperties) \
306 do_bool_flag(JVMCIUseFastLocking) \
307 do_intx_flag(MethodProfileWidth) \
308 do_intx_flag(ObjectAlignmentInBytes) \
309 do_bool_flag(PrintInlining) \
310 do_bool_flag(ReduceInitialCardMarks) \
311 do_bool_flag(RestrictContended) \
312 do_intx_flag(StackReservedPages) \
313 do_intx_flag(StackShadowPages) \
314 do_bool_flag(TLABStats) \
315 do_uintx_flag(TLABWasteIncrement) \
316 do_intx_flag(TypeProfileWidth) \
317 do_bool_flag(UseAESIntrinsics) \
318 X86_ONLY(do_intx_flag(UseAVX)) \
319 do_bool_flag(UseBiasedLocking) \
320 do_bool_flag(UseCRC32Intrinsics) \
321 do_bool_flag(UseCompressedClassPointers) \
322 do_bool_flag(UseCompressedOops) \
323 do_bool_flag(UseConcMarkSweepGC) \
324 X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \
325 X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \
326 do_bool_flag(UseG1GC) \
327 COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \
328 COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \
329 COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \
330 COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \
331 do_bool_flag(UsePopCountInstruction) \
332 do_bool_flag(UseSHA1Intrinsics) \
333 do_bool_flag(UseSHA256Intrinsics) \
334 do_bool_flag(UseSHA512Intrinsics) \
335 do_intx_flag(UseSSE) \
336 COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \
337 do_bool_flag(UseStackBanging) \
338 do_bool_flag(UseTLAB) \
339 do_bool_flag(VerifyOops) \
340
341 #define BOXED_BOOLEAN(name, value) oop name = ((jboolean)(value) ? boxedTrue() : boxedFalse())
342 #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)
343 #define BOXED_LONG(name, value) \
344 oop name; \
345 do { \
346 jvalue p; p.j = (jlong) (value); \
347 Handle* e = longs.get(p.j); \
348 if (e == NULL) { \
349 oop o = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); \
350 Handle h(THREAD, o); \
351 longs.put(p.j, h); \
352 name = h(); \
353 } else { \
354 name = (*e)(); \
355 } \
356 } while (0)
357
358 #define CSTRING_TO_JSTRING(name, value) \
359 Handle name; \
360 do { \
361 if (value != NULL) { \
362 Handle* e = strings.get(value); \
363 if (e == NULL) { \
364 Handle h = java_lang_String::create_from_str(value, CHECK_NULL); \
365 strings.put(value, h); \
366 name = h; \
367 } else { \
368 name = (*e); \
369 } \
370 } \
371 } while (0)
372
373 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
374 ResourceMark rm;
375 HandleMark hm;
376
377 // Used to canonicalize Long and String values.
378 ResourceHashtable<jlong, Handle> longs;
379 ResourceHashtable<const char*, Handle, &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings;
380
381 jvalue prim;
382 prim.z = true; oop boxedTrueOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
383 Handle boxedTrue(THREAD, boxedTrueOop);
384 prim.z = false; oop boxedFalseOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
385 Handle boxedFalse(THREAD, boxedFalseOop);
386
387 CompilerToVM::Data::initialize(CHECK_NULL);
388
389 VMField::klass()->initialize(CHECK_NULL);
390 VMFlag::klass()->initialize(CHECK_NULL);
391 VMIntrinsicMethod::klass()->initialize(CHECK_NULL);
392
393 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
394 objArrayHandle vmFields = oopFactory::new_objArray_handle(VMField::klass(), len, CHECK_NULL);
395 for (int i = 0; i < len ; i++) {
396 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
397 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL);
398 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */;
399 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1);
400 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName);
401 CSTRING_TO_JSTRING(name, name_buf);
402 CSTRING_TO_JSTRING(type, vmField.typeString);
403 VMField::set_name(vmFieldObj, name());
404 VMField::set_type(vmFieldObj, type());
405 VMField::set_offset(vmFieldObj, vmField.offset);
406 VMField::set_address(vmFieldObj, (jlong) vmField.address);
407 if (vmField.isStatic && vmField.typeString != NULL) {
408 if (strcmp(vmField.typeString, "bool") == 0) {
409 BOXED_BOOLEAN(box, *(jbyte*) vmField.address);
410 VMField::set_value(vmFieldObj, box);
411 } else if (strcmp(vmField.typeString, "int") == 0 ||
412 strcmp(vmField.typeString, "jint") == 0) {
413 BOXED_LONG(box, *(jint*) vmField.address);
414 VMField::set_value(vmFieldObj, box);
415 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
416 BOXED_LONG(box, *(uint64_t*) vmField.address);
417 VMField::set_value(vmFieldObj, box);
418 } else if (strcmp(vmField.typeString, "address") == 0 ||
419 strcmp(vmField.typeString, "intptr_t") == 0 ||
420 strcmp(vmField.typeString, "uintptr_t") == 0 ||
421 strcmp(vmField.typeString, "OopHandle") == 0 ||
422 strcmp(vmField.typeString, "size_t") == 0 ||
423 // All foo* types are addresses.
424 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
425 BOXED_LONG(box, *((address*) vmField.address));
426 VMField::set_value(vmFieldObj, box);
427 } else {
428 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
429 }
430 }
431 vmFields->obj_at_put(i, vmFieldObj());
432 }
433
434 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
435 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
436 len = ints_len + longs_len;
437 objArrayHandle vmConstants = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
438 int insert = 0;
439 for (int i = 0; i < ints_len ; i++) {
440 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
441 CSTRING_TO_JSTRING(name, c.name);
442 BOXED_LONG(value, c.value);
443 vmConstants->obj_at_put(insert++, name());
444 vmConstants->obj_at_put(insert++, value);
445 }
446 for (int i = 0; i < longs_len ; i++) {
447 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
448 CSTRING_TO_JSTRING(name, c.name);
449 BOXED_LONG(value, c.value);
450 vmConstants->obj_at_put(insert++, name());
451 vmConstants->obj_at_put(insert++, value);
452 }
453 assert(insert == len * 2, "must be");
454
455 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
456 objArrayHandle vmAddresses = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
457 for (int i = 0; i < len ; i++) {
458 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
459 CSTRING_TO_JSTRING(name, a.name);
460 BOXED_LONG(value, a.value);
461 vmAddresses->obj_at_put(i * 2, name());
462 vmAddresses->obj_at_put(i * 2 + 1, value);
463 }
464
465 #define COUNT_FLAG(ignore) +1
466 #ifdef ASSERT
467 #define CHECK_FLAG(type, name) { \
468 Flag* flag = Flag::find_flag(#name, strlen(#name), /*allow_locked*/ true, /* return_flag */ true); \
469 assert(flag != NULL, "No such flag named " #name); \
470 assert(flag->is_##type(), "Flag " #name " is not of type " #type); \
471 }
472 #else
473 #define CHECK_FLAG(type, name)
474 #endif
475
476 #define ADD_FLAG(type, name, convert) { \
477 CHECK_FLAG(type, name) \
478 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL); \
479 CSTRING_TO_JSTRING(fname, #name); \
480 CSTRING_TO_JSTRING(ftype, #type); \
481 VMFlag::set_name(vmFlagObj, fname()); \
482 VMFlag::set_type(vmFlagObj, ftype()); \
483 convert(value, name); \
484 VMFlag::set_value(vmFlagObj, value); \
485 vmFlags->obj_at_put(i++, vmFlagObj()); \
486 }
487 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN)
488 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG)
489 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG)
490
491 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG);
492 objArrayHandle vmFlags = oopFactory::new_objArray_handle(VMFlag::klass(), len, CHECK_NULL);
493 int i = 0;
494 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG)
495
496 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL);
497
498 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 5, CHECK_NULL);
499 data->obj_at_put(0, vmFields());
500 data->obj_at_put(1, vmConstants());
501 data->obj_at_put(2, vmAddresses());
502 data->obj_at_put(3, vmFlags());
503 data->obj_at_put(4, vmIntrinsics());
504
505 return (jobjectArray) JNIHandles::make_local(THREAD, data);
506 #undef COUNT_FLAG
507 #undef ADD_FLAG
508 #undef ADD_BOOL_FLAG
509 #undef ADD_INTX_FLAG
510 #undef ADD_UINTX_FLAG
511 #undef CHECK_FLAG
512 C2V_END
513
514 C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
515 #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);
516 #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);
517 Handle name(THREAD, JNIHandles::resolve(name_handle));
518 if (name.is_null()) {
519 THROW_0(vmSymbols::java_lang_NullPointerException());
520 }
521 ResourceMark rm;
522 const char* cstring = java_lang_String::as_utf8_string(name());
523 Flag* flag = Flag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
524 if (flag == NULL) {
525 return c2vm;
526 }
527 if (flag->is_bool()) {
528 jvalue prim;
529 prim.z = flag->get_bool();
530 oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
531 return JNIHandles::make_local(THREAD, box);
532 } else if (flag->is_ccstr()) {
533 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
534 return JNIHandles::make_local(THREAD, value());
535 } else if (flag->is_intx()) {
536 RETURN_BOXED_LONG(flag->get_intx());
537 } else if (flag->is_int()) {
538 RETURN_BOXED_LONG(flag->get_int());
539 } else if (flag->is_uint()) {
540 RETURN_BOXED_LONG(flag->get_uint());
541 } else if (flag->is_uint64_t()) {
542 RETURN_BOXED_LONG(flag->get_uint64_t());
543 } else if (flag->is_size_t()) {
544 RETURN_BOXED_LONG(flag->get_size_t());
545 } else if (flag->is_uintx()) {
546 RETURN_BOXED_LONG(flag->get_uintx());
547 } else if (flag->is_double()) {
548 RETURN_BOXED_DOUBLE(flag->get_double());
549 } else {
550 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
551 }
552 C2V_END
553
554 #undef BOXED_LONG
555 #undef BOXED_DOUBLE
556 #undef CSTRING_TO_JSTRING
557
558 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
559 methodHandle method = CompilerToVM::asMethod(jvmci_method);
560 ResourceMark rm;
561
562 int code_size = method->code_size();
563 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
564
565 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
566 // iterate over all bytecodes and replace non-Java bytecodes
567
568 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
569 Bytecodes::Code code = s.code();
570 Bytecodes::Code raw_code = s.raw_code();
571 int bci = s.bci();
572 int len = s.instruction_size();
573
574 // Restore original byte code.
575 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
576 if (len > 1) {
577 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
578 }
579
580 if (len > 1) {
581 // Restore the big-endian constant pool indexes.
582 // Cf. Rewriter::scan_method
583 switch (code) {
584 case Bytecodes::_getstatic:
585 case Bytecodes::_putstatic:
586 case Bytecodes::_getfield:
587 case Bytecodes::_putfield:
588 case Bytecodes::_invokevirtual:
589 case Bytecodes::_invokespecial:
590 case Bytecodes::_invokestatic:
591 case Bytecodes::_invokeinterface:
592 case Bytecodes::_invokehandle: {
593 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
594 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
595 break;
596 }
597
598 case Bytecodes::_invokedynamic: {
599 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
600 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
601 break;
602 }
603
604 default:
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 default:
627 break;
628 }
629 }
630 }
631
632 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
633 C2V_END
634
635 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
636 ResourceMark rm;
637 methodHandle method = CompilerToVM::asMethod(jvmci_method);
638 return method->exception_table_length();
639 C2V_END
640
641 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
642 ResourceMark rm;
643 methodHandle method = CompilerToVM::asMethod(jvmci_method);
644 if (method->exception_table_length() == 0) {
645 return 0L;
646 }
647 return (jlong) (address) method->exception_table_start();
648 C2V_END
649
650 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
651 oop executable = JNIHandles::resolve(executable_handle);
652 oop mirror = NULL;
653 int slot = 0;
654
655 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
656 mirror = java_lang_reflect_Constructor::clazz(executable);
657 slot = java_lang_reflect_Constructor::slot(executable);
658 } else {
659 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
660 mirror = java_lang_reflect_Method::clazz(executable);
661 slot = java_lang_reflect_Method::slot(executable);
662 }
663 Klass* holder = java_lang_Class::as_Klass(mirror);
664 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
665 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
666 return JNIHandles::make_local(THREAD, result);
667 }
668
669 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
670 methodHandle method;
671 oop base_object = JNIHandles::resolve(base);
672 if (base_object == NULL) {
673 method = *((Method**)(offset));
674 } else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) {
675 method = (Method*) (intptr_t) base_object->long_field(offset);
676 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
677 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
678 } else {
679 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
680 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
681 }
682 assert (method.is_null() || method->is_method(), "invalid read");
683 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
684 return JNIHandles::make_local(THREAD, result);
685 }
686
687 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
688 constantPoolHandle cp;
689 oop object = JNIHandles::resolve(object_handle);
690 if (object == NULL) {
691 THROW_0(vmSymbols::java_lang_NullPointerException());
692 }
693 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
694 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
695 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
696 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
697 } else {
698 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
699 err_msg("Unexpected type: %s", object->klass()->external_name()));
700 }
701 assert(!cp.is_null(), "npe");
702 JavaValue method_result(T_OBJECT);
703 JavaCallArguments args;
704 args.push_long((jlong) (address) cp());
705 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
706 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
707 }
708
709 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
710 Klass* klass = NULL;
711 oop base_object = JNIHandles::resolve(base);
712 jlong base_address = 0;
713 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
714 klass = base_object->klass();
715 } else if (!compressed) {
716 if (base_object != NULL) {
717 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
718 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
719 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
720 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
721 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
722 base_address = (jlong) CompilerToVM::asKlass(base_object);
723 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
724 base_address = (jlong) (address) base_object;
725 } else {
726 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
727 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
728 }
729 }
730 klass = *((Klass**) (intptr_t) (base_address + offset));
731 } else {
732 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
733 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
734 }
735 assert (klass == NULL || klass->is_klass(), "invalid read");
736 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
737 return JNIHandles::make_local(THREAD, result);
738 }
739
740 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
741 ResourceMark rm;
742 methodHandle method = CompilerToVM::asMethod(jvmci_method);
743 Klass* holder = CompilerToVM::asKlass(jvmci_type);
744 if (holder->is_interface()) {
745 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
746 }
747
748 methodHandle ucm;
749 {
750 MutexLocker locker(Compile_lock);
751 ucm = Dependencies::find_unique_concrete_method(holder, method());
752 }
753 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
754 return JNIHandles::make_local(THREAD, result);
755 C2V_END
756
757 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
758 Klass* klass = CompilerToVM::asKlass(jvmci_type);
759 if (!klass->is_interface()) {
760 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
761 err_msg("Expected interface type, got %s", klass->external_name()));
762 }
763 InstanceKlass* iklass = InstanceKlass::cast(klass);
764 oop implementor = CompilerToVM::get_jvmci_type(iklass->implementor(), CHECK_NULL);
765 return JNIHandles::make_local(THREAD, implementor);
766 C2V_END
767
768 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
769 methodHandle method = CompilerToVM::asMethod(jvmci_method);
770 return method->is_ignored_by_security_stack_walk();
771 C2V_END
772
773 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
774 methodHandle method = CompilerToVM::asMethod(jvmci_method);
775 constantPoolHandle cp = method->constMethod()->constants();
776 assert(!cp.is_null(), "npe");
777 // don't inline method when constant pool contains a CONSTANT_Dynamic
778 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
779 C2V_END
780
781 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
782 methodHandle method = CompilerToVM::asMethod(jvmci_method);
783 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
784 C2V_END
785
786 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
787 methodHandle method = CompilerToVM::asMethod(jvmci_method);
788 return CompilerOracle::should_inline(method) || method->force_inline();
789 C2V_END
790
791 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
792 ResourceMark rm;
793 Handle name(THREAD, JNIHandles::resolve(jname));
794 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0);
795 if (java_lang_String::length(name()) <= 1) {
796 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
797 }
798
799 Klass* resolved_klass = NULL;
800 if (JNIHandles::resolve(accessing_class) == NULL) {
801 THROW_0(vmSymbols::java_lang_NullPointerException());
802 }
803 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
804 Handle class_loader(THREAD, accessing_klass->class_loader());
805 Handle protection_domain(THREAD, accessing_klass->protection_domain());
806
807 if (resolve) {
808 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
809 } else {
810 if (class_name->byte_at(0) == 'L' &&
811 class_name->byte_at(class_name->utf8_length()-1) == ';') {
812 // This is a name from a signature. Strip off the trimmings.
813 // Call recursive to keep scope of strippedsym.
814 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
815 class_name->utf8_length()-2,
816 CHECK_0);
817 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
818 } else if (FieldType::is_array(class_name)) {
819 FieldArrayInfo fd;
820 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
821 // of this call
822 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
823 if (t == T_OBJECT) {
824 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
825 class_name->utf8_length()-2-fd.dimension(),
826 CHECK_0);
827 // naked oop "k" is OK here -- we assign back into it
828 resolved_klass = SystemDictionary::find(strippedsym,
829 class_loader,
830 protection_domain,
831 CHECK_0);
832 if (resolved_klass != NULL) {
833 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
834 }
835 } else {
836 resolved_klass = Universe::typeArrayKlassObj(t);
837 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
838 }
839 }
840 }
841 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
842 return JNIHandles::make_local(THREAD, result);
843 C2V_END
844
845 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
846 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
847 oop result = cp->resolve_constant_at(index, CHECK_NULL);
848 return JNIHandles::make_local(THREAD, result);
849 C2V_END
850
851 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
852 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
853 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
854 return JNIHandles::make_local(THREAD, result);
855 C2V_END
856
857 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
858 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
859 return cp->name_and_type_ref_index_at(index);
860 C2V_END
861
862 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
863 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
864 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
865 return JNIHandles::make_local(THREAD, sym());
866 C2V_END
867
868 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
869 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
870 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
871 return JNIHandles::make_local(THREAD, sym());
872 C2V_END
873
874 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
875 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
876 return cp->klass_ref_index_at(index);
877 C2V_END
878
879 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
880 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
881 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
882 oop klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
883 return JNIHandles::make_local(THREAD, klass);
884 C2V_END
885
886 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
887 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
888 Klass* loading_klass = cp->pool_holder();
889 bool is_accessible = false;
890 Klass* klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
891 Symbol* symbol = NULL;
892 if (klass == NULL) {
893 symbol = cp->klass_name_at(index);
894 }
895 oop result_oop;
896 if (klass != NULL) {
897 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
898 } else {
899 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
900 result_oop = result();
901 }
902 return JNIHandles::make_local(THREAD, result_oop);
903 C2V_END
904
905 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
906 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
907 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
908 return JNIHandles::make_local(THREAD, appendix_oop);
909 C2V_END
910
911 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
912 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
913 InstanceKlass* pool_holder = cp->pool_holder();
914 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
915 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
916 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
917 return JNIHandles::make_local(THREAD, result);
918 C2V_END
919
920 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
921 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
922 return cp->remap_instruction_operand_from_cache(index);
923 C2V_END
924
925 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
926 ResourceMark rm;
927 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
928 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
929 fieldDescriptor fd;
930 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
931 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
932 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
933 if (info == NULL || info->length() != 3) {
934 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
935 }
936 info->int_at_put(0, fd.access_flags().as_int());
937 info->int_at_put(1, fd.offset());
938 info->int_at_put(2, fd.index());
939 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
940 return JNIHandles::make_local(THREAD, field_holder);
941 C2V_END
942
943 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
944 ResourceMark rm;
945 Klass* klass = CompilerToVM::asKlass(jvmci_type);
946 Method* method = CompilerToVM::asMethod(jvmci_method);
947 if (klass->is_interface()) {
948 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
949 }
950 if (!method->method_holder()->is_interface()) {
951 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()));
952 }
953 if (!InstanceKlass::cast(klass)->is_linked()) {
954 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
955 }
956 return LinkResolver::vtable_index_of_interface_method(klass, method);
957 C2V_END
958
959 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
960 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
961 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
962 methodHandle method = CompilerToVM::asMethod(jvmci_method);
963
964 Klass* resolved = method->method_holder();
965 Symbol* h_name = method->name();
966 Symbol* h_signature = method->signature();
967
968 if (MethodHandles::is_signature_polymorphic_method(method())) {
969 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
970 return NULL;
971 }
972
973 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
974 methodHandle m;
975 // Only do exact lookup if receiver klass has been linked. Otherwise,
976 // the vtable has not been setup, and the LinkResolver will fail.
977 if (recv_klass->is_array_klass() ||
978 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
979 if (resolved->is_interface()) {
980 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
981 } else {
982 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
983 }
984 }
985
986 if (m.is_null()) {
987 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
988 return NULL;
989 }
990
991 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
992 return JNIHandles::make_local(THREAD, result);
993 C2V_END
994
995 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
996 Klass* klass = CompilerToVM::asKlass(jvmci_type);
997 assert(klass != NULL, "method must not be called for primitive types");
998 return Dependencies::find_finalizable_subclass(klass) != NULL;
999 C2V_END
1000
1001 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
1002 Klass* klass = CompilerToVM::asKlass(jvmci_type);
1003 if (!klass->is_instance_klass()) {
1004 return NULL;
1005 }
1006 InstanceKlass* iklass = InstanceKlass::cast(klass);
1007 oop result = CompilerToVM::get_jvmci_method(iklass->class_initializer(), CHECK_NULL);
1008 return JNIHandles::make_local(THREAD, result);
1009 C2V_END
1010
1011 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
1012 address target_addr = (address) addr;
1013 if (target_addr != 0x0) {
1014 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
1015 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
1016 return MAX2(ABS(off_low), ABS(off_high));
1017 }
1018 return -1;
1019 C2V_END
1020
1021 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv *, jobject, jobject jvmci_method))
1022 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1023 method->set_not_c1_compilable();
1024 method->set_not_c2_compilable();
1025 method->set_dont_inline(true);
1026 C2V_END
1027
1028 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
1029 ResourceMark rm;
1030 HandleMark hm;
1031 JNIHandleMark jni_hm;
1032
1033 Handle target_handle(THREAD, JNIHandles::resolve(target));
1034 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
1035 CodeBlob* cb = NULL;
1036 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1037 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));
1038
1039 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
1040
1041 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
1042 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
1043 CodeInstaller installer(is_immutable_PIC);
1044 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
1045
1046 if (PrintCodeCacheOnCompilation) {
1047 stringStream s;
1048 // Dump code cache into a buffer before locking the tty,
1049 {
1050 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
1051 CodeCache::print_summary(&s, false);
1052 }
1053 ttyLocker ttyl;
1054 tty->print_raw_cr(s.as_string());
1055 }
1056
1057 if (result != JVMCIEnv::ok) {
1058 assert(cb == NULL, "should be");
1059 } else {
1060 if (installed_code_handle.not_null()) {
1061 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
1062 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
1063 {
1064 // Ensure that all updates to the InstalledCode fields are consistent.
1065 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
1066 InstalledCode::set_address(installed_code_handle, (jlong) cb);
1067 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
1068 if (cb->is_nmethod()) {
1069 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
1070 } else {
1071 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
1072 }
1073 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
1074 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
1075 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
1076 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
1077 }
1078 }
1079 }
1080 }
1081 return result;
1082 C2V_END
1083
1084 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
1085 ResourceMark rm;
1086 HandleMark hm;
1087
1088 Handle target_handle(THREAD, JNIHandles::resolve(target));
1089 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
1090 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));
1091
1092 CodeMetadata code_metadata;
1093 CodeBlob *cb = NULL;
1094 CodeInstaller installer(true /* immutable PIC compilation */);
1095
1096 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
1097 if (result != JVMCIEnv::ok) {
1098 return result;
1099 }
1100
1101 if (code_metadata.get_nr_pc_desc() > 0) {
1102 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
1103 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
1104 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
1105 }
1106
1107 if (code_metadata.get_scopes_size() > 0) {
1108 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
1109 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
1110 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
1111 }
1112
1113 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
1114 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
1115 if (reloc_buffer->size() > 0) {
1116 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
1117 }
1118 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
1119
1120 const OopMapSet* oopMapSet = installer.oopMapSet();
1121 {
1122 ResourceMark mark;
1123 ImmutableOopMapBuilder builder(oopMapSet);
1124 int oopmap_size = builder.heap_size();
1125 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
1126 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
1127 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
1128 }
1129
1130 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
1131
1132 int nr_meta_refs = recorder->nr_meta_refs();
1133 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_refs, CHECK_(JVMCIEnv::cache_full));
1134 objArrayHandle metadataArrayHandle(THREAD, metadataArray);
1135 for (int i = 0; i < nr_meta_refs; ++i) {
1136 jobject element = recorder->meta_element(i);
1137 if (element == NULL) {
1138 return JVMCIEnv::cache_full;
1139 }
1140 metadataArrayHandle->obj_at_put(i, JNIHandles::resolve(element));
1141 }
1142 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
1143
1144 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
1145 int table_size = handler->size_in_bytes();
1146 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));
1147
1148 if (table_size > 0) {
1149 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
1150 }
1151 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
1152
1153 return result;
1154 C2V_END
1155
1156 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
1157 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
1158 CompilerStatistics* stats = compiler->stats();
1159 stats->_standard.reset();
1160 stats->_osr.reset();
1161 C2V_END
1162
1163 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
1164 ResourceMark rm;
1165 HandleMark hm;
1166
1167 if (installedCode == NULL) {
1168 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
1169 }
1170
1171 jlong codeBlob = InstalledCode::address(installedCode);
1172 if (codeBlob == 0L) {
1173 return NULL;
1174 }
1175
1176 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
1177 if (cb == NULL) {
1178 return NULL;
1179 }
1180
1181 // We don't want the stringStream buffer to resize during disassembly as it
1182 // uses scoped resource memory. If a nested function called during disassembly uses
1183 // a ResourceMark and the buffer expands within the scope of the mark,
1184 // the buffer becomes garbage when that scope is exited. Experience shows that
1185 // the disassembled code is typically about 10x the code size so a fixed buffer
1186 // sized to 20x code size plus a fixed amount for header info should be sufficient.
1187 int bufferSize = cb->code_size() * 20 + 1024;
1188 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
1189 stringStream st(buffer, bufferSize);
1190 if (cb->is_nmethod()) {
1191 nmethod* nm = (nmethod*) cb;
1192 if (!nm->is_alive()) {
1193 return NULL;
1194 }
1195 }
1196 Disassembler::decode(cb, &st);
1197 if (st.size() <= 0) {
1198 return NULL;
1199 }
1200
1201 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1202 return JNIHandles::make_local(THREAD, result());
1203 C2V_END
1204
1205 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1206 ResourceMark rm;
1207 HandleMark hm;
1208
1209 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1210 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1211 return JNIHandles::make_local(THREAD, element);
1212 C2V_END
1213
1214 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1215 ResourceMark rm;
1216 HandleMark hm;
1217
1218 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1219 if (nmethodValue == 0L) {
1220 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1221 }
1222 nmethod* nm = (nmethod*) (address) nmethodValue;
1223 methodHandle mh = nm->method();
1224 Symbol* signature = mh->signature();
1225 JavaCallArguments jca(mh->size_of_parameters());
1226
1227 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1228 JavaValue result(jap.get_ret_type());
1229 jca.set_alternative_target(nm);
1230 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1231
1232 if (jap.get_ret_type() == T_VOID) {
1233 return NULL;
1234 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1235 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1236 } else {
1237 jvalue *value = (jvalue *) result.get_value_addr();
1238 // Narrow the value down if required (Important on big endian machines)
1239 switch (jap.get_ret_type()) {
1240 case T_BOOLEAN:
1241 value->z = (jboolean) value->i;
1242 break;
1243 case T_BYTE:
1244 value->b = (jbyte) value->i;
1245 break;
1246 case T_CHAR:
1247 value->c = (jchar) value->i;
1248 break;
1249 case T_SHORT:
1250 value->s = (jshort) value->i;
1251 break;
1252 default:
1253 break;
1254 }
1255 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1256 return JNIHandles::make_local(THREAD, o);
1257 }
1258 C2V_END
1259
1260 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1261 Method* method = CompilerToVM::asMethod(jvmci_method);
1262 if (!method->has_linenumber_table()) {
1263 return NULL;
1264 }
1265 u2 num_entries = 0;
1266 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1267 while (streamForSize.read_pair()) {
1268 num_entries++;
1269 }
1270
1271 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1272 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1273
1274 int i = 0;
1275 jlong value;
1276 while (stream.read_pair()) {
1277 value = ((long) stream.bci());
1278 result->long_at_put(i, value);
1279 value = ((long) stream.line());
1280 result->long_at_put(i + 1, value);
1281 i += 2;
1282 }
1283
1284 return (jlongArray) JNIHandles::make_local(THREAD, result);
1285 C2V_END
1286
1287 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1288 ResourceMark rm;
1289 Method* method = CompilerToVM::asMethod(jvmci_method);
1290 if (!method->has_localvariable_table()) {
1291 return 0;
1292 }
1293 return (jlong) (address) method->localvariable_table_start();
1294 C2V_END
1295
1296 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1297 ResourceMark rm;
1298 Method* method = CompilerToVM::asMethod(jvmci_method);
1299 return method->localvariable_table_length();
1300 C2V_END
1301
1302 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1303 Method* method = CompilerToVM::asMethod(jvmci_method);
1304 MethodCounters* mcs = method->method_counters();
1305 if (mcs != NULL) {
1306 mcs->clear_counters();
1307 }
1308 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1309
1310 CompiledMethod* code = method->code();
1311 if (code != NULL) {
1312 code->make_not_entrant();
1313 }
1314
1315 MethodData* method_data = method->method_data();
1316 if (method_data == NULL) {
1317 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1318 method_data = MethodData::allocate(loader_data, method, CHECK);
1319 method->set_method_data(method_data);
1320 } else {
1321 method_data->initialize();
1322 }
1323 C2V_END
1324
1325
1326 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1327 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1328 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1329 C2V_END
1330
1331 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1332 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1333 JavaThread::collect_counters(arrayOop);
1334 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1335 C2V_END
1336
1337 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1338 HandleMark hm;
1339 ResourceMark rm;
1340 if (JNIHandles::resolve(jvmci_method) == NULL) {
1341 THROW_0(vmSymbols::java_lang_NullPointerException());
1342 }
1343 Method* method = CompilerToVM::asMethod(jvmci_method);
1344 if (entry_bci >= method->code_size() || entry_bci < -1) {
1345 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1346 }
1347 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1348 C2V_END
1349
1350
1351 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1352 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1353 return mdo != NULL && mdo->is_mature();
1354 C2V_END
1355
1356 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1357 Method* method = CompilerToVM::asMethod(jvmci_method);
1358 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1359 C2V_END
1360
1361 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1362 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1363 return JNIHandles::make_local(THREAD, sym());
1364 C2V_END
1365
1366 bool matches(jobjectArray methods, Method* method) {
1367 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1368
1369 for (int i = 0; i < methods_oop->length(); i++) {
1370 oop resolved = methods_oop->obj_at(i);
1371 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1372 return true;
1373 }
1374 }
1375 return false;
1376 }
1377
1378 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1379 ResourceMark rm;
1380
1381 if (!thread->has_last_Java_frame()) return NULL;
1382 Handle result = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1383 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1384
1385 StackFrameStream fst(thread);
1386 if (hs_frame != NULL) {
1387 // look for the correct stack frame if one is given
1388 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1389 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1390 fst.next();
1391 }
1392 if (fst.current()->sp() != stack_pointer) {
1393 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1394 }
1395 }
1396
1397 int frame_number = 0;
1398 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1399 if (hs_frame != NULL) {
1400 // look for the correct vframe within the stack frame if one is given
1401 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1402 while (frame_number < last_frame_number) {
1403 if (vf->is_top()) {
1404 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1405 }
1406 vf = vf->sender();
1407 frame_number ++;
1408 }
1409 // move one frame forward
1410 if (vf->is_top()) {
1411 if (fst.is_done()) {
1412 return NULL;
1413 }
1414 fst.next();
1415 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1416 frame_number = 0;
1417 } else {
1418 vf = vf->sender();
1419 frame_number++;
1420 }
1421 }
1422
1423 while (true) {
1424 // look for the given method
1425 while (true) {
1426 StackValueCollection* locals = NULL;
1427 if (vf->is_compiled_frame()) {
1428 // compiled method frame
1429 compiledVFrame* cvf = compiledVFrame::cast(vf);
1430 if (methods == NULL || matches(methods, cvf->method())) {
1431 if (initialSkip > 0) {
1432 initialSkip --;
1433 } else {
1434 ScopeDesc* scope = cvf->scope();
1435 // native wrappers do not have a scope
1436 if (scope != NULL && scope->objects() != NULL) {
1437 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), CHECK_NULL);
1438 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1439
1440 GrowableArray<ScopeValue*>* local_values = scope->locals();
1441 assert(local_values != NULL, "NULL locals");
1442 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1443 typeArrayHandle array(THREAD, array_oop);
1444 for (int i = 0; i < local_values->length(); i++) {
1445 ScopeValue* value = local_values->at(i);
1446 if (value->is_object()) {
1447 array->bool_at_put(i, true);
1448 }
1449 }
1450 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1451 } else {
1452 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1453 }
1454
1455 locals = cvf->locals();
1456 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1457 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1458 HotSpotStackFrameReference::set_method(result, method);
1459 }
1460 }
1461 } else if (vf->is_interpreted_frame()) {
1462 // interpreted method frame
1463 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1464 if (methods == NULL || matches(methods, ivf->method())) {
1465 if (initialSkip > 0) {
1466 initialSkip --;
1467 } else {
1468 locals = ivf->locals();
1469 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1470 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1471 HotSpotStackFrameReference::set_method(result, method);
1472 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1473 }
1474 }
1475 }
1476
1477 // locals != NULL means that we found a matching frame and result is already partially initialized
1478 if (locals != NULL) {
1479 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1480 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1481 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1482
1483 // initialize the locals array
1484 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1485 objArrayHandle array(THREAD, array_oop);
1486 for (int i = 0; i < locals->size(); i++) {
1487 StackValue* var = locals->at(i);
1488 if (var->type() == T_OBJECT) {
1489 array->obj_at_put(i, locals->at(i)->get_obj()());
1490 }
1491 }
1492 HotSpotStackFrameReference::set_locals(result, array());
1493
1494 return JNIHandles::make_local(thread, result());
1495 }
1496
1497 if (vf->is_top()) {
1498 break;
1499 }
1500 frame_number++;
1501 vf = vf->sender();
1502 } // end of vframe loop
1503
1504 if (fst.is_done()) {
1505 break;
1506 }
1507 fst.next();
1508 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1509 frame_number = 0;
1510 } // end of frame loop
1511
1512 // the end was reached without finding a matching method
1513 return NULL;
1514 C2V_END
1515
1516 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1517 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1518 CallInfo callInfo;
1519 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1520 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1521 cp_cache_entry->set_dynamic_call(cp, callInfo);
1522 C2V_END
1523
1524 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1525 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1526 Klass* holder = cp->klass_ref_at(index, CHECK);
1527 Symbol* name = cp->name_ref_at(index);
1528 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1529 CallInfo callInfo;
1530 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1531 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1532 cp_cache_entry->set_method_handle(cp, callInfo);
1533 }
1534 C2V_END
1535
1536 C2V_VMENTRY(jint, isResolvedInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1537 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1538 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1539 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1540 // MethodHandle.invoke* --> LambdaForm?
1541 ResourceMark rm;
1542
1543 LinkInfo link_info(cp, index, CATCH);
1544
1545 Klass* resolved_klass = link_info.resolved_klass();
1546
1547 Symbol* name_sym = cp->name_ref_at(index);
1548
1549 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1550 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1551
1552 methodHandle adapter_method(cp_cache_entry->f1_as_method());
1553
1554 methodHandle resolved_method(adapter_method);
1555
1556 // Can we treat it as a regular invokevirtual?
1557 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1558 vmassert(!resolved_method->is_static(),"!");
1559 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1560 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1561 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1562 vmassert(cp_cache_entry->method_type_if_resolved(cp) == NULL, "!");
1563
1564 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1565 vmassert(m == resolved_method, "!!");
1566 return -1;
1567 }
1568
1569 return Bytecodes::_invokevirtual;
1570 }
1571 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1572 return Bytecodes::_invokedynamic;
1573 }
1574 return -1;
1575 C2V_END
1576
1577
1578 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1579 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
1580 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1581 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1582 holders->obj_at_put(0, mh());
1583 holders->obj_at_put(1, vh());
1584 return JNIHandles::make_local(THREAD, holders());
1585 C2V_END
1586
1587 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1588 //see compute_recording_non_safepoints in debugInfroRec.cpp
1589 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1590 return true;
1591 }
1592 return DebugNonSafepoints;
1593 C2V_END
1594
1595 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1596 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1597 ResourceMark rm;
1598
1599 if (hs_frame == NULL) {
1600 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1601 }
1602
1603 HotSpotStackFrameReference::klass()->initialize(CHECK);
1604
1605 // look for the given stack frame
1606 StackFrameStream fst(thread);
1607 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1608 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1609 fst.next();
1610 }
1611 if (fst.current()->sp() != stack_pointer) {
1612 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1613 }
1614
1615 if (invalidate) {
1616 if (!fst.current()->is_compiled_frame()) {
1617 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1618 }
1619 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1620 ((nmethod*) fst.current()->cb())->make_not_entrant();
1621 }
1622 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1623 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1624 StackFrameStream fstAfterDeopt(thread);
1625 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1626 fstAfterDeopt.next();
1627 }
1628 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1629 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1630 }
1631
1632 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1633 if (!vf->is_compiled_frame()) {
1634 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1635 }
1636
1637 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1638 while (true) {
1639 assert(vf->is_compiled_frame(), "Wrong frame type");
1640 virtualFrames->push(compiledVFrame::cast(vf));
1641 if (vf->is_top()) {
1642 break;
1643 }
1644 vf = vf->sender();
1645 }
1646
1647 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1648 if (last_frame_number >= virtualFrames->length()) {
1649 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1650 }
1651
1652 // Reallocate the non-escaping objects and restore their fields.
1653 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1654 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1655
1656 if (objects == NULL) {
1657 // no objects to materialize
1658 return;
1659 }
1660
1661 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, CHECK);
1662 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1663
1664 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1665 compiledVFrame* cvf = virtualFrames->at(frame_index);
1666
1667 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1668 StackValueCollection* locals = cvf->locals();
1669 if (locals != NULL) {
1670 for (int i2 = 0; i2 < locals->size(); i2++) {
1671 StackValue* var = locals->at(i2);
1672 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1673 jvalue val;
1674 val.l = (jobject) locals->at(i2)->get_obj()();
1675 cvf->update_local(T_OBJECT, i2, val);
1676 }
1677 }
1678 }
1679
1680 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1681 StackValueCollection* expressions = cvf->expressions();
1682 if (expressions != NULL) {
1683 for (int i2 = 0; i2 < expressions->size(); i2++) {
1684 StackValue* var = expressions->at(i2);
1685 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1686 jvalue val;
1687 val.l = (jobject) expressions->at(i2)->get_obj()();
1688 cvf->update_stack(T_OBJECT, i2, val);
1689 }
1690 }
1691 }
1692
1693 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1694 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1695 if (monitors != NULL) {
1696 for (int i2 = 0; i2 < monitors->length(); i2++) {
1697 cvf->update_monitor(i2, monitors->at(i2));
1698 }
1699 }
1700 }
1701
1702 // all locals are materialized by now
1703 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1704
1705 // update the locals array
1706 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame));
1707 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1708 for (int i = 0; i < locals->size(); i++) {
1709 StackValue* var = locals->at(i);
1710 if (var->type() == T_OBJECT) {
1711 array->obj_at_put(i, locals->at(i)->get_obj()());
1712 }
1713 }
1714 C2V_END
1715
1716 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1717 if (bytes == NULL) {
1718 THROW(vmSymbols::java_lang_NullPointerException());
1719 }
1720 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1721
1722 // Check if offset and length are non negative.
1723 if (offset < 0 || length < 0) {
1724 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1725 }
1726 // Check if the range is valid.
1727 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1728 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1729 }
1730 while (length > 0) {
1731 jbyte* start = array->byte_at_addr(offset);
1732 tty->write((char*) start, MIN2(length, (jint)O_BUFLEN));
1733 length -= O_BUFLEN;
1734 offset += O_BUFLEN;
1735 }
1736 C2V_END
1737
1738 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1739 tty->flush();
1740 C2V_END
1741
1742 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1743 ResourceMark rm;
1744 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1745 ProfileData* profile_data = mdo->data_at(position);
1746 if (mdo->is_valid(profile_data)) {
1747 return profile_data->size_in_bytes();
1748 }
1749 DataLayout* data = mdo->extra_data_base();
1750 DataLayout* end = mdo->extra_data_limit();
1751 for (;; data = mdo->next_extra(data)) {
1752 assert(data < end, "moved past end of extra data");
1753 profile_data = data->data_in();
1754 if (mdo->dp_to_di(profile_data->dp()) == position) {
1755 return profile_data->size_in_bytes();
1756 }
1757 }
1758 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1759 C2V_END
1760
1761 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1762 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1763 if (k->is_instance_klass()) {
1764 return InstanceKlass::cast(k)->get_stored_fingerprint();
1765 } else {
1766 return 0;
1767 }
1768 C2V_END
1769
1770 C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type))
1771 InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type));
1772 InstanceKlass* host = k->host_klass();
1773 oop result = CompilerToVM::get_jvmci_type(host, CHECK_NULL);
1774 return JNIHandles::make_local(THREAD, result);
1775 C2V_END
1776
1777 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1778 if (bytecode_frame_handle == NULL) {
1779 THROW_0(vmSymbols::java_lang_NullPointerException());
1780 }
1781
1782 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1783 oop bytecode_frame = top_bytecode_frame;
1784 int size = 0;
1785 int callee_parameters = 0;
1786 int callee_locals = 0;
1787 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1788 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1789
1790 while (bytecode_frame != NULL) {
1791 int locks = BytecodeFrame::numLocks(bytecode_frame);
1792 int temps = BytecodeFrame::numStack(bytecode_frame);
1793 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1794 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1795
1796 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1797 temps + callee_parameters,
1798 extra_args,
1799 locks,
1800 callee_parameters,
1801 callee_locals,
1802 is_top_frame);
1803 size += frame_size;
1804
1805 callee_parameters = method->size_of_parameters();
1806 callee_locals = method->max_locals();
1807 extra_args = 0;
1808 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1809 }
1810 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1811 C2V_END
1812
1813 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1814 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
1815 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1816 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1817 JavaValue result(T_VOID);
1818 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1819 } else {
1820 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1821 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1822 }
1823 C2V_END
1824
1825 #define CC (char*) /*cast a literal from (const char*)*/
1826 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1827
1828 #define STRING "Ljava/lang/String;"
1829 #define OBJECT "Ljava/lang/Object;"
1830 #define CLASS "Ljava/lang/Class;"
1831 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1832 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1833 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1834 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1835 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1836 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1837 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1838 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1839 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1840 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1841 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1842 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1843 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1844 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1845 #define METASPACE_METHOD_DATA "J"
1846
1847 JNINativeMethod CompilerToVM::methods[] = {
1848 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1849 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1850 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1851 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1852 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1853 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1854 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1855 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
1856 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1857 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1858 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1859 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1860 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1861 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1862 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1863 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1864 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1865 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1866 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1867 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1868 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1869 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1870 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1871 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1872 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1873 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1874 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
1875 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1876 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1877 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1878 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1879 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1880 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1881 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1882 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1883 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1884 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1885 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1886 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1887 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1888 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1889 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1890 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1891 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1892 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1893 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1894 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1895 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1896 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1897 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1898 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1899 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1900 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1901 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1902 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1903 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1904 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1905 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1906 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1907 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1908 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
1909 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1910 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1911 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
1912 };
1913
1914 int CompilerToVM::methods_count() {
1915 return sizeof(methods) / sizeof(JNINativeMethod);
1916 }