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/generateOopMap.hpp"
33 #include "oops/fieldStreams.hpp"
34 #include "oops/oop.inline.hpp"
35 #include "oops/objArrayOop.inline.hpp"
36 #include "oops/typeArrayOop.inline.hpp"
37 #include "runtime/fieldDescriptor.hpp"
38 #include "runtime/javaCalls.hpp"
39 #include "runtime/jniHandles.inline.hpp"
40 #include "jvmci/jvmciRuntime.hpp"
41 #include "compiler/abstractCompiler.hpp"
42 #include "compiler/compileBroker.hpp"
43 #include "compiler/compilerOracle.hpp"
44 #include "compiler/disassembler.hpp"
45 #include "compiler/oopMap.hpp"
46 #include "jvmci/jvmciCompilerToVM.hpp"
47 #include "jvmci/jvmciCompiler.hpp"
48 #include "jvmci/jvmciEnv.hpp"
49 #include "jvmci/jvmciJavaClasses.hpp"
50 #include "jvmci/jvmciCodeInstaller.hpp"
51 #include "jvmci/vmStructs_jvmci.hpp"
52 #include "gc/g1/heapRegion.hpp"
53 #include "gc/shared/cardTable.hpp"
54 #include "runtime/javaCalls.hpp"
55 #include "runtime/deoptimization.hpp"
56 #include "runtime/timerTrace.hpp"
57 #include "runtime/vframe.hpp"
58 #include "runtime/vframe_hp.hpp"
59 #include "runtime/vmStructs.hpp"
60 #include "utilities/resourceHash.hpp"
61
62
63 void JNIHandleMark::push_jni_handle_block() {
64 JavaThread* thread = JavaThread::current();
65 if (thread != NULL) {
66 // Allocate a new block for JNI handles.
67 // Inlined code from jni_PushLocalFrame()
68 JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles();
69 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
70 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
71 compile_handles->set_pop_frame_link(java_handles);
72 thread->set_active_handles(compile_handles);
73 }
74 }
75
76 void JNIHandleMark::pop_jni_handle_block() {
77 JavaThread* thread = JavaThread::current();
78 if (thread != NULL) {
79 // Release our JNI handle block
80 JNIHandleBlock* compile_handles = thread->active_handles();
81 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
82 thread->set_active_handles(java_handles);
83 compile_handles->set_pop_frame_link(NULL);
84 JNIHandleBlock::release_block(compile_handles, thread); // may block
85 }
86 }
87
88 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
89 #define C2V_VMENTRY(result_type, name, signature) \
90 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
91 TRACE_jvmci_1("CompilerToVM::" #name); \
92 TRACE_CALL(result_type, jvmci_ ## name signature) \
93 JVMCI_VM_ENTRY_MARK; \
94
95 #define C2V_END }
96
97 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
98 if (method() != NULL) {
99 JavaValue result(T_OBJECT);
100 JavaCallArguments args;
101 args.push_long((jlong) (address) method());
102 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
103
104 return (oop)result.get_jobject();
105 }
106 return NULL;
107 }
108
109 oop CompilerToVM::get_jvmci_type(Klass* klass, TRAPS) {
110 if (klass != NULL) {
111 JavaValue result(T_OBJECT);
112 JavaCallArguments args;
113 args.push_oop(Handle(THREAD, klass->java_mirror()));
114 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
115
116 return (oop)result.get_jobject();
117 }
118 return NULL;
119 }
120
121
122 int CompilerToVM::Data::Klass_vtable_start_offset;
123 int CompilerToVM::Data::Klass_vtable_length_offset;
124
125 int CompilerToVM::Data::Method_extra_stack_entries;
126
127 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
128 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
129 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
130 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
131
132 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
133
134 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
135 int CompilerToVM::Data::Universe_base_vtable_size;
136 address CompilerToVM::Data::Universe_narrow_oop_base;
137 int CompilerToVM::Data::Universe_narrow_oop_shift;
138 address CompilerToVM::Data::Universe_narrow_klass_base;
139 int CompilerToVM::Data::Universe_narrow_klass_shift;
140 void* CompilerToVM::Data::Universe_non_oop_bits;
141 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
142 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
143
144 bool CompilerToVM::Data::_supports_inline_contig_alloc;
145 HeapWord** CompilerToVM::Data::_heap_end_addr;
146 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
147 int CompilerToVM::Data::_max_oop_map_stack_offset;
148
149 jbyte* CompilerToVM::Data::cardtable_start_address;
150 int CompilerToVM::Data::cardtable_shift;
151
152 int CompilerToVM::Data::vm_page_size;
153
154 int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry);
155 int CompilerToVM::Data::sizeof_ExceptionTableElement = sizeof(ExceptionTableElement);
156 int CompilerToVM::Data::sizeof_LocalVariableTableElement = sizeof(LocalVariableTableElement);
157 int CompilerToVM::Data::sizeof_ConstantPool = sizeof(ConstantPool);
158 int CompilerToVM::Data::sizeof_SymbolPointer = sizeof(Symbol*);
159 int CompilerToVM::Data::sizeof_narrowKlass = sizeof(narrowKlass);
160 int CompilerToVM::Data::sizeof_arrayOopDesc = sizeof(arrayOopDesc);
161 int CompilerToVM::Data::sizeof_BasicLock = sizeof(BasicLock);
162
163 address CompilerToVM::Data::dsin;
164 address CompilerToVM::Data::dcos;
165 address CompilerToVM::Data::dtan;
166 address CompilerToVM::Data::dexp;
167 address CompilerToVM::Data::dlog;
168 address CompilerToVM::Data::dlog10;
169 address CompilerToVM::Data::dpow;
170
171 address CompilerToVM::Data::symbol_init;
172 address CompilerToVM::Data::symbol_clinit;
173
174 void CompilerToVM::Data::initialize(TRAPS) {
175 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
176 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
177
178 Method_extra_stack_entries = Method::extra_stack_entries();
179
180 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
181 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
182 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
183 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
184
185 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
186
187 Universe_collectedHeap = Universe::heap();
188 Universe_base_vtable_size = Universe::base_vtable_size();
189 Universe_narrow_oop_base = Universe::narrow_oop_base();
190 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
191 Universe_narrow_klass_base = Universe::narrow_klass_base();
192 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
193 Universe_non_oop_bits = Universe::non_oop_word();
194 Universe_verify_oop_mask = Universe::verify_oop_mask();
195 Universe_verify_oop_bits = Universe::verify_oop_bits();
196
197 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
198 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
199 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1;
200
201 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
202 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
203 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
204 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
205
206 symbol_init = (address) vmSymbols::object_initializer_name();
207 symbol_clinit = (address) vmSymbols::class_initializer_name();
208
209 BarrierSet* bs = Universe::heap()->barrier_set();
210 if (bs->is_a(BarrierSet::CardTableModRef)) {
211 jbyte* base = ci_card_table_address();
212 assert(base != NULL, "unexpected byte_map_base");
213 cardtable_start_address = base;
214 cardtable_shift = CardTable::card_shift;
215 } else {
216 // No card mark barriers
217 cardtable_start_address = 0;
218 cardtable_shift = 0;
219 }
220
221 vm_page_size = os::vm_page_size();
222
223 #define SET_TRIGFUNC(name) \
224 if (StubRoutines::name() != NULL) { \
225 name = StubRoutines::name(); \
226 } else { \
227 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
228 }
229
230 SET_TRIGFUNC(dsin);
231 SET_TRIGFUNC(dcos);
232 SET_TRIGFUNC(dtan);
233 SET_TRIGFUNC(dexp);
234 SET_TRIGFUNC(dlog10);
235 SET_TRIGFUNC(dlog);
236 SET_TRIGFUNC(dpow);
237
238 #undef SET_TRIGFUNC
239 }
240
241 objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) {
242 objArrayHandle vmIntrinsics = oopFactory::new_objArray_handle(VMIntrinsicMethod::klass(), (vmIntrinsics::ID_LIMIT - 1), CHECK_(objArrayHandle()));
243 int index = 0;
244 // The intrinsics for a class are usually adjacent to each other.
245 // When they are, the string for the class name can be reused.
246 vmSymbols::SID kls_sid = vmSymbols::NO_SID;
247 Handle kls_str;
248 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n)
249 #define VM_SYMBOL_TO_STRING(s) \
250 java_lang_String::create_from_symbol(vmSymbols::symbol_at(SID_ENUM(s)), CHECK_(objArrayHandle()))
251 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
252 instanceHandle vmIntrinsicMethod = InstanceKlass::cast(VMIntrinsicMethod::klass())->allocate_instance_handle(CHECK_(objArrayHandle())); \
253 if (kls_sid != SID_ENUM(kls)) { \
254 kls_str = VM_SYMBOL_TO_STRING(kls); \
255 kls_sid = SID_ENUM(kls); \
256 } \
257 Handle name_str = VM_SYMBOL_TO_STRING(name); \
258 Handle sig_str = VM_SYMBOL_TO_STRING(sig); \
259 VMIntrinsicMethod::set_declaringClass(vmIntrinsicMethod, kls_str()); \
260 VMIntrinsicMethod::set_name(vmIntrinsicMethod, name_str()); \
261 VMIntrinsicMethod::set_descriptor(vmIntrinsicMethod, sig_str()); \
262 VMIntrinsicMethod::set_id(vmIntrinsicMethod, vmIntrinsics::id); \
263 vmIntrinsics->obj_at_put(index++, vmIntrinsicMethod()); \
264 }
265
266 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
267 #undef SID_ENUM
268 #undef VM_SYMBOL_TO_STRING
269 #undef VM_INTRINSIC_INFO
270 assert(index == vmIntrinsics::ID_LIMIT - 1, "must be");
271
272 return vmIntrinsics;
273 }
274
275 /**
276 * The set of VM flags known to be used.
277 */
278 #define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_intx_flag, do_uintx_flag) \
279 do_intx_flag(AllocateInstancePrefetchLines) \
280 do_intx_flag(AllocatePrefetchDistance) \
281 do_intx_flag(AllocatePrefetchInstr) \
282 do_intx_flag(AllocatePrefetchLines) \
283 do_intx_flag(AllocatePrefetchStepSize) \
284 do_intx_flag(AllocatePrefetchStyle) \
285 do_intx_flag(BciProfileWidth) \
286 do_bool_flag(BootstrapJVMCI) \
287 do_bool_flag(CITime) \
288 do_bool_flag(CITimeEach) \
289 do_uintx_flag(CodeCacheSegmentSize) \
290 do_intx_flag(CodeEntryAlignment) \
291 do_bool_flag(CompactFields) \
292 NOT_PRODUCT(do_intx_flag(CompileTheWorldStartAt)) \
293 NOT_PRODUCT(do_intx_flag(CompileTheWorldStopAt)) \
294 do_intx_flag(ContendedPaddingWidth) \
295 do_bool_flag(DontCompileHugeMethods) \
296 do_bool_flag(EnableContended) \
297 do_intx_flag(FieldsAllocationStyle) \
298 do_bool_flag(FoldStableValues) \
299 do_bool_flag(ForceUnreachable) \
300 do_intx_flag(HugeMethodLimit) \
301 do_bool_flag(Inline) \
302 do_intx_flag(JVMCICounterSize) \
303 do_bool_flag(JVMCIPrintProperties) \
304 do_bool_flag(JVMCIUseFastLocking) \
305 do_intx_flag(MethodProfileWidth) \
306 do_intx_flag(ObjectAlignmentInBytes) \
307 do_bool_flag(PrintInlining) \
308 do_bool_flag(ReduceInitialCardMarks) \
309 do_bool_flag(RestrictContended) \
310 do_intx_flag(StackReservedPages) \
311 do_intx_flag(StackShadowPages) \
312 do_bool_flag(TLABStats) \
313 do_uintx_flag(TLABWasteIncrement) \
314 do_intx_flag(TypeProfileWidth) \
315 do_bool_flag(UseAESIntrinsics) \
316 X86_ONLY(do_intx_flag(UseAVX)) \
317 do_bool_flag(UseBiasedLocking) \
318 do_bool_flag(UseCRC32Intrinsics) \
319 do_bool_flag(UseCompressedClassPointers) \
320 do_bool_flag(UseCompressedOops) \
321 do_bool_flag(UseConcMarkSweepGC) \
322 X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \
323 X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \
324 do_bool_flag(UseG1GC) \
325 COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \
326 COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \
327 COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \
328 COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \
329 do_bool_flag(UsePopCountInstruction) \
330 do_bool_flag(UseSHA1Intrinsics) \
331 do_bool_flag(UseSHA256Intrinsics) \
332 do_bool_flag(UseSHA512Intrinsics) \
333 do_intx_flag(UseSSE) \
334 COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \
335 do_bool_flag(UseStackBanging) \
336 do_bool_flag(UseTLAB) \
337 do_bool_flag(VerifyOops) \
338
339 #define BOXED_BOOLEAN(name, value) oop name = ((jboolean)(value) ? boxedTrue() : boxedFalse())
340 #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)
341 #define BOXED_LONG(name, value) \
342 oop name; \
343 do { \
344 jvalue p; p.j = (jlong) (value); \
345 Handle* e = longs.get(p.j); \
346 if (e == NULL) { \
347 oop o = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); \
348 Handle h(THREAD, o); \
349 longs.put(p.j, h); \
350 name = h(); \
351 } else { \
352 name = (*e)(); \
353 } \
354 } while (0)
355
356 #define CSTRING_TO_JSTRING(name, value) \
357 Handle name; \
358 do { \
359 if (value != NULL) { \
360 Handle* e = strings.get(value); \
361 if (e == NULL) { \
362 Handle h = java_lang_String::create_from_str(value, CHECK_NULL); \
363 strings.put(value, h); \
364 name = h; \
365 } else { \
366 name = (*e); \
367 } \
368 } \
369 } while (0)
370
371 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
372 ResourceMark rm;
373 HandleMark hm;
374
375 // Used to canonicalize Long and String values.
376 ResourceHashtable<jlong, Handle> longs;
377 ResourceHashtable<const char*, Handle, &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings;
378
379 jvalue prim;
380 prim.z = true; oop boxedTrueOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
381 Handle boxedTrue(THREAD, boxedTrueOop);
382 prim.z = false; oop boxedFalseOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
383 Handle boxedFalse(THREAD, boxedFalseOop);
384
385 CompilerToVM::Data::initialize(CHECK_NULL);
386
387 VMField::klass()->initialize(CHECK_NULL);
388 VMFlag::klass()->initialize(CHECK_NULL);
389 VMIntrinsicMethod::klass()->initialize(CHECK_NULL);
390
391 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
392 objArrayHandle vmFields = oopFactory::new_objArray_handle(VMField::klass(), len, CHECK_NULL);
393 for (int i = 0; i < len ; i++) {
394 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
395 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL);
396 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */;
397 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1);
398 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName);
399 CSTRING_TO_JSTRING(name, name_buf);
400 CSTRING_TO_JSTRING(type, vmField.typeString);
401 VMField::set_name(vmFieldObj, name());
402 VMField::set_type(vmFieldObj, type());
403 VMField::set_offset(vmFieldObj, vmField.offset);
404 VMField::set_address(vmFieldObj, (jlong) vmField.address);
405 if (vmField.isStatic && vmField.typeString != NULL) {
406 if (strcmp(vmField.typeString, "bool") == 0) {
407 BOXED_BOOLEAN(box, *(jbyte*) vmField.address);
408 VMField::set_value(vmFieldObj, box);
409 } else if (strcmp(vmField.typeString, "int") == 0 ||
410 strcmp(vmField.typeString, "jint") == 0) {
411 BOXED_LONG(box, *(jint*) vmField.address);
412 VMField::set_value(vmFieldObj, box);
413 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
414 BOXED_LONG(box, *(uint64_t*) vmField.address);
415 VMField::set_value(vmFieldObj, box);
416 } else if (strcmp(vmField.typeString, "address") == 0 ||
417 strcmp(vmField.typeString, "intptr_t") == 0 ||
418 strcmp(vmField.typeString, "uintptr_t") == 0 ||
419 strcmp(vmField.typeString, "OopHandle") == 0 ||
420 strcmp(vmField.typeString, "size_t") == 0 ||
421 // All foo* types are addresses.
422 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
423 BOXED_LONG(box, *((address*) vmField.address));
424 VMField::set_value(vmFieldObj, box);
425 } else {
426 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
427 }
428 }
429 vmFields->obj_at_put(i, vmFieldObj());
430 }
431
432 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
433 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
434 len = ints_len + longs_len;
435 objArrayHandle vmConstants = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
436 int insert = 0;
437 for (int i = 0; i < ints_len ; i++) {
438 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
439 CSTRING_TO_JSTRING(name, c.name);
440 BOXED_LONG(value, c.value);
441 vmConstants->obj_at_put(insert++, name());
442 vmConstants->obj_at_put(insert++, value);
443 }
444 for (int i = 0; i < longs_len ; i++) {
445 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
446 CSTRING_TO_JSTRING(name, c.name);
447 BOXED_LONG(value, c.value);
448 vmConstants->obj_at_put(insert++, name());
449 vmConstants->obj_at_put(insert++, value);
450 }
451 assert(insert == len * 2, "must be");
452
453 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
454 objArrayHandle vmAddresses = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
455 for (int i = 0; i < len ; i++) {
456 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
457 CSTRING_TO_JSTRING(name, a.name);
458 BOXED_LONG(value, a.value);
459 vmAddresses->obj_at_put(i * 2, name());
460 vmAddresses->obj_at_put(i * 2 + 1, value);
461 }
462
463 #define COUNT_FLAG(ignore) +1
464 #ifdef ASSERT
465 #define CHECK_FLAG(type, name) { \
466 Flag* flag = Flag::find_flag(#name, strlen(#name), /*allow_locked*/ true, /* return_flag */ true); \
467 assert(flag != NULL, "No such flag named " #name); \
468 assert(flag->is_##type(), "Flag " #name " is not of type " #type); \
469 }
470 #else
471 #define CHECK_FLAG(type, name)
472 #endif
473
474 #define ADD_FLAG(type, name, convert) { \
475 CHECK_FLAG(type, name) \
476 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL); \
477 CSTRING_TO_JSTRING(fname, #name); \
478 CSTRING_TO_JSTRING(ftype, #type); \
479 VMFlag::set_name(vmFlagObj, fname()); \
480 VMFlag::set_type(vmFlagObj, ftype()); \
481 convert(value, name); \
482 VMFlag::set_value(vmFlagObj, value); \
483 vmFlags->obj_at_put(i++, vmFlagObj()); \
484 }
485 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN)
486 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG)
487 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG)
488
489 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG);
490 objArrayHandle vmFlags = oopFactory::new_objArray_handle(VMFlag::klass(), len, CHECK_NULL);
491 int i = 0;
492 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG)
493
494 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL);
495
496 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 5, CHECK_NULL);
497 data->obj_at_put(0, vmFields());
498 data->obj_at_put(1, vmConstants());
499 data->obj_at_put(2, vmAddresses());
500 data->obj_at_put(3, vmFlags());
501 data->obj_at_put(4, vmIntrinsics());
502
503 return (jobjectArray) JNIHandles::make_local(THREAD, data);
504 #undef COUNT_FLAG
505 #undef ADD_FLAG
506 #undef ADD_BOOL_FLAG
507 #undef ADD_INTX_FLAG
508 #undef ADD_UINTX_FLAG
509 #undef CHECK_FLAG
510 C2V_END
511
512 C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
513 #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);
514 #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);
515 Handle name(THREAD, JNIHandles::resolve(name_handle));
516 if (name.is_null()) {
517 THROW_0(vmSymbols::java_lang_NullPointerException());
518 }
519 ResourceMark rm;
520 const char* cstring = java_lang_String::as_utf8_string(name());
521 Flag* flag = Flag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
522 if (flag == NULL) {
523 return c2vm;
524 }
525 if (flag->is_bool()) {
526 jvalue prim;
527 prim.z = flag->get_bool();
528 oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
529 return JNIHandles::make_local(THREAD, box);
530 } else if (flag->is_ccstr()) {
531 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
532 return JNIHandles::make_local(THREAD, value());
533 } else if (flag->is_intx()) {
534 RETURN_BOXED_LONG(flag->get_intx());
535 } else if (flag->is_int()) {
536 RETURN_BOXED_LONG(flag->get_int());
537 } else if (flag->is_uint()) {
538 RETURN_BOXED_LONG(flag->get_uint());
539 } else if (flag->is_uint64_t()) {
540 RETURN_BOXED_LONG(flag->get_uint64_t());
541 } else if (flag->is_size_t()) {
542 RETURN_BOXED_LONG(flag->get_size_t());
543 } else if (flag->is_uintx()) {
544 RETURN_BOXED_LONG(flag->get_uintx());
545 } else if (flag->is_double()) {
546 RETURN_BOXED_DOUBLE(flag->get_double());
547 } else {
548 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
549 }
550 C2V_END
551
552 #undef BOXED_LONG
553 #undef BOXED_DOUBLE
554 #undef CSTRING_TO_JSTRING
555
556 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
557 methodHandle method = CompilerToVM::asMethod(jvmci_method);
558 ResourceMark rm;
559
560 int code_size = method->code_size();
561 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
562
563 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
564 // iterate over all bytecodes and replace non-Java bytecodes
565
566 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
567 Bytecodes::Code code = s.code();
568 Bytecodes::Code raw_code = s.raw_code();
569 int bci = s.bci();
570 int len = s.instruction_size();
571
572 // Restore original byte code.
573 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
574 if (len > 1) {
575 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
576 }
577
578 if (len > 1) {
579 // Restore the big-endian constant pool indexes.
580 // Cf. Rewriter::scan_method
581 switch (code) {
582 case Bytecodes::_getstatic:
583 case Bytecodes::_putstatic:
584 case Bytecodes::_getfield:
585 case Bytecodes::_putfield:
586 case Bytecodes::_invokevirtual:
587 case Bytecodes::_invokespecial:
588 case Bytecodes::_invokestatic:
589 case Bytecodes::_invokeinterface:
590 case Bytecodes::_invokehandle: {
591 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
592 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
593 break;
594 }
595
596 case Bytecodes::_invokedynamic: {
597 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
598 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
599 break;
600 }
601
602 default:
603 break;
604 }
605
606 // Not all ldc byte code are rewritten.
607 switch (raw_code) {
608 case Bytecodes::_fast_aldc: {
609 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
610 int cp_index = method->constants()->object_to_cp_index(cpc_index);
611 assert(cp_index < method->constants()->length(), "sanity check");
612 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
613 break;
614 }
615
616 case Bytecodes::_fast_aldc_w: {
617 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
618 int cp_index = method->constants()->object_to_cp_index(cpc_index);
619 assert(cp_index < method->constants()->length(), "sanity check");
620 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
621 break;
622 }
623
624 default:
625 break;
626 }
627 }
628 }
629
630 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
631 C2V_END
632
633 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
634 ResourceMark rm;
635 methodHandle method = CompilerToVM::asMethod(jvmci_method);
636 return method->exception_table_length();
637 C2V_END
638
639 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
640 ResourceMark rm;
641 methodHandle method = CompilerToVM::asMethod(jvmci_method);
642 if (method->exception_table_length() == 0) {
643 return 0L;
644 }
645 return (jlong) (address) method->exception_table_start();
646 C2V_END
647
648 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
649 oop executable = JNIHandles::resolve(executable_handle);
650 oop mirror = NULL;
651 int slot = 0;
652
653 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
654 mirror = java_lang_reflect_Constructor::clazz(executable);
655 slot = java_lang_reflect_Constructor::slot(executable);
656 } else {
657 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
658 mirror = java_lang_reflect_Method::clazz(executable);
659 slot = java_lang_reflect_Method::slot(executable);
660 }
661 Klass* holder = java_lang_Class::as_Klass(mirror);
662 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
663 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
664 return JNIHandles::make_local(THREAD, result);
665 }
666
667 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
668 methodHandle method;
669 oop base_object = JNIHandles::resolve(base);
670 if (base_object == NULL) {
671 method = *((Method**)(offset));
672 } else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) {
673 method = (Method*) (intptr_t) base_object->long_field(offset);
674 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
675 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
676 } else {
677 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
678 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
679 }
680 assert (method.is_null() || method->is_method(), "invalid read");
681 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
682 return JNIHandles::make_local(THREAD, result);
683 }
684
685 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
686 constantPoolHandle cp;
687 oop object = JNIHandles::resolve(object_handle);
688 if (object == NULL) {
689 THROW_0(vmSymbols::java_lang_NullPointerException());
690 }
691 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
692 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
693 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
694 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
695 } else {
696 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
697 err_msg("Unexpected type: %s", object->klass()->external_name()));
698 }
699 assert(!cp.is_null(), "npe");
700 JavaValue method_result(T_OBJECT);
701 JavaCallArguments args;
702 args.push_long((jlong) (address) cp());
703 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
704 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
705 }
706
707 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
708 Klass* klass = NULL;
709 oop base_object = JNIHandles::resolve(base);
710 jlong base_address = 0;
711 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
712 klass = base_object->klass();
713 } else if (!compressed) {
714 if (base_object != NULL) {
715 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
716 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
717 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
718 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
719 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
720 base_address = (jlong) CompilerToVM::asKlass(base_object);
721 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
722 base_address = (jlong) (address) base_object;
723 } else {
724 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
725 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
726 }
727 }
728 klass = *((Klass**) (intptr_t) (base_address + offset));
729 } else {
730 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
731 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
732 }
733 assert (klass == NULL || klass->is_klass(), "invalid read");
734 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
735 return JNIHandles::make_local(THREAD, result);
736 }
737
738 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
739 ResourceMark rm;
740 methodHandle method = CompilerToVM::asMethod(jvmci_method);
741 Klass* holder = CompilerToVM::asKlass(jvmci_type);
742 if (holder->is_interface()) {
743 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
744 }
745
746 methodHandle ucm;
747 {
748 MutexLocker locker(Compile_lock);
749 ucm = Dependencies::find_unique_concrete_method(holder, method());
750 }
751 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
752 return JNIHandles::make_local(THREAD, result);
753 C2V_END
754
755 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
756 Klass* klass = CompilerToVM::asKlass(jvmci_type);
757 if (!klass->is_interface()) {
758 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
759 err_msg("Expected interface type, got %s", klass->external_name()));
760 }
761 InstanceKlass* iklass = InstanceKlass::cast(klass);
762 oop implementor = CompilerToVM::get_jvmci_type(iklass->implementor(), CHECK_NULL);
763 return JNIHandles::make_local(THREAD, implementor);
764 C2V_END
765
766 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
767 methodHandle method = CompilerToVM::asMethod(jvmci_method);
768 return method->is_ignored_by_security_stack_walk();
769 C2V_END
770
771 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
772 methodHandle method = CompilerToVM::asMethod(jvmci_method);
773 constantPoolHandle cp = method->constMethod()->constants();
774 assert(!cp.is_null(), "npe");
775 // don't inline method when constant pool contains a CONSTANT_Dynamic
776 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
777 C2V_END
778
779 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
780 methodHandle method = CompilerToVM::asMethod(jvmci_method);
781 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
782 C2V_END
783
784 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
785 methodHandle method = CompilerToVM::asMethod(jvmci_method);
786 return CompilerOracle::should_inline(method) || method->force_inline();
787 C2V_END
788
789 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
790 ResourceMark rm;
791 Handle name(THREAD, JNIHandles::resolve(jname));
792 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0);
793 if (java_lang_String::length(name()) <= 1) {
794 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
795 }
796
797 Klass* resolved_klass = NULL;
798 if (JNIHandles::resolve(accessing_class) == NULL) {
799 THROW_0(vmSymbols::java_lang_NullPointerException());
800 }
801 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
802 Handle class_loader(THREAD, accessing_klass->class_loader());
803 Handle protection_domain(THREAD, accessing_klass->protection_domain());
804
805 if (resolve) {
806 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
807 } else {
808 if (class_name->byte_at(0) == 'L' &&
809 class_name->byte_at(class_name->utf8_length()-1) == ';') {
810 // This is a name from a signature. Strip off the trimmings.
811 // Call recursive to keep scope of strippedsym.
812 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
813 class_name->utf8_length()-2,
814 CHECK_0);
815 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
816 } else if (FieldType::is_array(class_name)) {
817 FieldArrayInfo fd;
818 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
819 // of this call
820 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
821 if (t == T_OBJECT) {
822 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
823 class_name->utf8_length()-2-fd.dimension(),
824 CHECK_0);
825 // naked oop "k" is OK here -- we assign back into it
826 resolved_klass = SystemDictionary::find(strippedsym,
827 class_loader,
828 protection_domain,
829 CHECK_0);
830 if (resolved_klass != NULL) {
831 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
832 }
833 } else {
834 resolved_klass = Universe::typeArrayKlassObj(t);
835 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
836 }
837 }
838 }
839 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
840 return JNIHandles::make_local(THREAD, result);
841 C2V_END
842
843 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
844 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
845 oop result = cp->resolve_constant_at(index, CHECK_NULL);
846 return JNIHandles::make_local(THREAD, result);
847 C2V_END
848
849 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
850 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
851 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
852 return JNIHandles::make_local(THREAD, result);
853 C2V_END
854
855 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
856 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
857 return cp->name_and_type_ref_index_at(index);
858 C2V_END
859
860 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
861 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
862 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
863 return JNIHandles::make_local(THREAD, sym());
864 C2V_END
865
866 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
867 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
868 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
869 return JNIHandles::make_local(THREAD, sym());
870 C2V_END
871
872 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
873 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
874 return cp->klass_ref_index_at(index);
875 C2V_END
876
877 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
878 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
879 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
880 oop klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
881 return JNIHandles::make_local(THREAD, klass);
882 C2V_END
883
884 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
885 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
886 Klass* loading_klass = cp->pool_holder();
887 bool is_accessible = false;
888 Klass* klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
889 Symbol* symbol = NULL;
890 if (klass == NULL) {
891 symbol = cp->klass_name_at(index);
892 }
893 oop result_oop;
894 if (klass != NULL) {
895 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
896 } else {
897 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
898 result_oop = result();
899 }
900 return JNIHandles::make_local(THREAD, result_oop);
901 C2V_END
902
903 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
904 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
905 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
906 return JNIHandles::make_local(THREAD, appendix_oop);
907 C2V_END
908
909 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
910 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
911 InstanceKlass* pool_holder = cp->pool_holder();
912 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
913 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
914 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
915 return JNIHandles::make_local(THREAD, result);
916 C2V_END
917
918 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
919 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
920 return cp->remap_instruction_operand_from_cache(index);
921 C2V_END
922
923 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
924 ResourceMark rm;
925 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
926 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
927 fieldDescriptor fd;
928 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
929 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
930 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
931 if (info == NULL || info->length() != 3) {
932 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
933 }
934 info->int_at_put(0, fd.access_flags().as_int());
935 info->int_at_put(1, fd.offset());
936 info->int_at_put(2, fd.index());
937 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
938 return JNIHandles::make_local(THREAD, field_holder);
939 C2V_END
940
941 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
942 ResourceMark rm;
943 Klass* klass = CompilerToVM::asKlass(jvmci_type);
944 Method* method = CompilerToVM::asMethod(jvmci_method);
945 if (klass->is_interface()) {
946 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
947 }
948 if (!method->method_holder()->is_interface()) {
949 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()));
950 }
951 if (!InstanceKlass::cast(klass)->is_linked()) {
952 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
953 }
954 return LinkResolver::vtable_index_of_interface_method(klass, method);
955 C2V_END
956
957 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
958 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
959 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
960 methodHandle method = CompilerToVM::asMethod(jvmci_method);
961
962 Klass* resolved = method->method_holder();
963 Symbol* h_name = method->name();
964 Symbol* h_signature = method->signature();
965
966 if (MethodHandles::is_signature_polymorphic_method(method())) {
967 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
968 return NULL;
969 }
970
971 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
972 methodHandle m;
973 // Only do exact lookup if receiver klass has been linked. Otherwise,
974 // the vtable has not been setup, and the LinkResolver will fail.
975 if (recv_klass->is_array_klass() ||
976 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
977 if (resolved->is_interface()) {
978 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
979 } else {
980 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
981 }
982 }
983
984 if (m.is_null()) {
985 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
986 return NULL;
987 }
988
989 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
990 return JNIHandles::make_local(THREAD, result);
991 C2V_END
992
993 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
994 Klass* klass = CompilerToVM::asKlass(jvmci_type);
995 assert(klass != NULL, "method must not be called for primitive types");
996 return Dependencies::find_finalizable_subclass(klass) != NULL;
997 C2V_END
998
999 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
1000 Klass* klass = CompilerToVM::asKlass(jvmci_type);
1001 if (!klass->is_instance_klass()) {
1002 return NULL;
1003 }
1004 InstanceKlass* iklass = InstanceKlass::cast(klass);
1005 oop result = CompilerToVM::get_jvmci_method(iklass->class_initializer(), CHECK_NULL);
1006 return JNIHandles::make_local(THREAD, result);
1007 C2V_END
1008
1009 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
1010 address target_addr = (address) addr;
1011 if (target_addr != 0x0) {
1012 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
1013 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
1014 return MAX2(ABS(off_low), ABS(off_high));
1015 }
1016 return -1;
1017 C2V_END
1018
1019 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv *, jobject, jobject jvmci_method))
1020 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1021 method->set_not_c1_compilable();
1022 method->set_not_c2_compilable();
1023 method->set_dont_inline(true);
1024 C2V_END
1025
1026 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
1027 ResourceMark rm;
1028 HandleMark hm;
1029 JNIHandleMark jni_hm;
1030
1031 Handle target_handle(THREAD, JNIHandles::resolve(target));
1032 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
1033 CodeBlob* cb = NULL;
1034 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1035 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));
1036
1037 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
1038
1039 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
1040 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
1041 CodeInstaller installer(is_immutable_PIC);
1042 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
1043
1044 if (PrintCodeCacheOnCompilation) {
1045 stringStream s;
1046 // Dump code cache into a buffer before locking the tty,
1047 {
1048 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
1049 CodeCache::print_summary(&s, false);
1050 }
1051 ttyLocker ttyl;
1052 tty->print_raw_cr(s.as_string());
1053 }
1054
1055 if (result != JVMCIEnv::ok) {
1056 assert(cb == NULL, "should be");
1057 } else {
1058 if (installed_code_handle.not_null()) {
1059 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
1060 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
1061 {
1062 // Ensure that all updates to the InstalledCode fields are consistent.
1063 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
1064 InstalledCode::set_address(installed_code_handle, (jlong) cb);
1065 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
1066 if (cb->is_nmethod()) {
1067 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
1068 } else {
1069 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
1070 }
1071 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
1072 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
1073 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
1074 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
1075 }
1076 }
1077 }
1078 }
1079 return result;
1080 C2V_END
1081
1082 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
1083 ResourceMark rm;
1084 HandleMark hm;
1085
1086 Handle target_handle(THREAD, JNIHandles::resolve(target));
1087 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
1088 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));
1089
1090 CodeMetadata code_metadata;
1091 CodeBlob *cb = NULL;
1092 CodeInstaller installer(true /* immutable PIC compilation */);
1093
1094 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
1095 if (result != JVMCIEnv::ok) {
1096 return result;
1097 }
1098
1099 if (code_metadata.get_nr_pc_desc() > 0) {
1100 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
1101 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
1102 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
1103 }
1104
1105 if (code_metadata.get_scopes_size() > 0) {
1106 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
1107 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
1108 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
1109 }
1110
1111 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
1112 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
1113 if (reloc_buffer->size() > 0) {
1114 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
1115 }
1116 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
1117
1118 const OopMapSet* oopMapSet = installer.oopMapSet();
1119 {
1120 ResourceMark mark;
1121 ImmutableOopMapBuilder builder(oopMapSet);
1122 int oopmap_size = builder.heap_size();
1123 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
1124 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
1125 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
1126 }
1127
1128 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
1129
1130 int nr_meta_refs = recorder->nr_meta_refs();
1131 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_refs, CHECK_(JVMCIEnv::cache_full));
1132 objArrayHandle metadataArrayHandle(THREAD, metadataArray);
1133 for (int i = 0; i < nr_meta_refs; ++i) {
1134 jobject element = recorder->meta_element(i);
1135 if (element == NULL) {
1136 return JVMCIEnv::cache_full;
1137 }
1138 metadataArrayHandle->obj_at_put(i, JNIHandles::resolve(element));
1139 }
1140 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
1141
1142 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
1143 int table_size = handler->size_in_bytes();
1144 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));
1145
1146 if (table_size > 0) {
1147 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
1148 }
1149 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
1150
1151 return result;
1152 C2V_END
1153
1154 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
1155 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
1156 CompilerStatistics* stats = compiler->stats();
1157 stats->_standard.reset();
1158 stats->_osr.reset();
1159 C2V_END
1160
1161 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
1162 ResourceMark rm;
1163 HandleMark hm;
1164
1165 if (installedCode == NULL) {
1166 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
1167 }
1168
1169 jlong codeBlob = InstalledCode::address(installedCode);
1170 if (codeBlob == 0L) {
1171 return NULL;
1172 }
1173
1174 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
1175 if (cb == NULL) {
1176 return NULL;
1177 }
1178
1179 // We don't want the stringStream buffer to resize during disassembly as it
1180 // uses scoped resource memory. If a nested function called during disassembly uses
1181 // a ResourceMark and the buffer expands within the scope of the mark,
1182 // the buffer becomes garbage when that scope is exited. Experience shows that
1183 // the disassembled code is typically about 10x the code size so a fixed buffer
1184 // sized to 20x code size plus a fixed amount for header info should be sufficient.
1185 int bufferSize = cb->code_size() * 20 + 1024;
1186 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
1187 stringStream st(buffer, bufferSize);
1188 if (cb->is_nmethod()) {
1189 nmethod* nm = (nmethod*) cb;
1190 if (!nm->is_alive()) {
1191 return NULL;
1192 }
1193 }
1194 Disassembler::decode(cb, &st);
1195 if (st.size() <= 0) {
1196 return NULL;
1197 }
1198
1199 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1200 return JNIHandles::make_local(THREAD, result());
1201 C2V_END
1202
1203 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1204 ResourceMark rm;
1205 HandleMark hm;
1206
1207 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1208 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1209 return JNIHandles::make_local(THREAD, element);
1210 C2V_END
1211
1212 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1213 ResourceMark rm;
1214 HandleMark hm;
1215
1216 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1217 if (nmethodValue == 0L) {
1218 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1219 }
1220 nmethod* nm = (nmethod*) (address) nmethodValue;
1221 methodHandle mh = nm->method();
1222 Symbol* signature = mh->signature();
1223 JavaCallArguments jca(mh->size_of_parameters());
1224
1225 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1226 JavaValue result(jap.get_ret_type());
1227 jca.set_alternative_target(nm);
1228 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1229
1230 if (jap.get_ret_type() == T_VOID) {
1231 return NULL;
1232 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1233 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1234 } else {
1235 jvalue *value = (jvalue *) result.get_value_addr();
1236 // Narrow the value down if required (Important on big endian machines)
1237 switch (jap.get_ret_type()) {
1238 case T_BOOLEAN:
1239 value->z = (jboolean) value->i;
1240 break;
1241 case T_BYTE:
1242 value->b = (jbyte) value->i;
1243 break;
1244 case T_CHAR:
1245 value->c = (jchar) value->i;
1246 break;
1247 case T_SHORT:
1248 value->s = (jshort) value->i;
1249 break;
1250 default:
1251 break;
1252 }
1253 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1254 return JNIHandles::make_local(THREAD, o);
1255 }
1256 C2V_END
1257
1258 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1259 Method* method = CompilerToVM::asMethod(jvmci_method);
1260 if (!method->has_linenumber_table()) {
1261 return NULL;
1262 }
1263 u2 num_entries = 0;
1264 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1265 while (streamForSize.read_pair()) {
1266 num_entries++;
1267 }
1268
1269 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1270 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1271
1272 int i = 0;
1273 jlong value;
1274 while (stream.read_pair()) {
1275 value = ((long) stream.bci());
1276 result->long_at_put(i, value);
1277 value = ((long) stream.line());
1278 result->long_at_put(i + 1, value);
1279 i += 2;
1280 }
1281
1282 return (jlongArray) JNIHandles::make_local(THREAD, result);
1283 C2V_END
1284
1285 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1286 ResourceMark rm;
1287 Method* method = CompilerToVM::asMethod(jvmci_method);
1288 if (!method->has_localvariable_table()) {
1289 return 0;
1290 }
1291 return (jlong) (address) method->localvariable_table_start();
1292 C2V_END
1293
1294 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1295 ResourceMark rm;
1296 Method* method = CompilerToVM::asMethod(jvmci_method);
1297 return method->localvariable_table_length();
1298 C2V_END
1299
1300 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1301 Method* method = CompilerToVM::asMethod(jvmci_method);
1302 MethodCounters* mcs = method->method_counters();
1303 if (mcs != NULL) {
1304 mcs->clear_counters();
1305 }
1306 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1307
1308 CompiledMethod* code = method->code();
1309 if (code != NULL) {
1310 code->make_not_entrant();
1311 }
1312
1313 MethodData* method_data = method->method_data();
1314 if (method_data == NULL) {
1315 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1316 method_data = MethodData::allocate(loader_data, method, CHECK);
1317 method->set_method_data(method_data);
1318 } else {
1319 method_data->initialize();
1320 }
1321 C2V_END
1322
1323
1324 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1325 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1326 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1327 C2V_END
1328
1329 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1330 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1331 JavaThread::collect_counters(arrayOop);
1332 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1333 C2V_END
1334
1335 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1336 HandleMark hm;
1337 ResourceMark rm;
1338 if (JNIHandles::resolve(jvmci_method) == NULL) {
1339 THROW_0(vmSymbols::java_lang_NullPointerException());
1340 }
1341 Method* method = CompilerToVM::asMethod(jvmci_method);
1342 if (entry_bci >= method->code_size() || entry_bci < -1) {
1343 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1344 }
1345 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1346 C2V_END
1347
1348
1349 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1350 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1351 return mdo != NULL && mdo->is_mature();
1352 C2V_END
1353
1354 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1355 Method* method = CompilerToVM::asMethod(jvmci_method);
1356 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1357 C2V_END
1358
1359 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1360 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1361 return JNIHandles::make_local(THREAD, sym());
1362 C2V_END
1363
1364 bool matches(jobjectArray methods, Method* method) {
1365 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1366
1367 for (int i = 0; i < methods_oop->length(); i++) {
1368 oop resolved = methods_oop->obj_at(i);
1369 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1370 return true;
1371 }
1372 }
1373 return false;
1374 }
1375
1376 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1377 ResourceMark rm;
1378
1379 if (!thread->has_last_Java_frame()) return NULL;
1380 Handle result = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1381 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1382
1383 StackFrameStream fst(thread);
1384 if (hs_frame != NULL) {
1385 // look for the correct stack frame if one is given
1386 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1387 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1388 fst.next();
1389 }
1390 if (fst.current()->sp() != stack_pointer) {
1391 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1392 }
1393 }
1394
1395 int frame_number = 0;
1396 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1397 if (hs_frame != NULL) {
1398 // look for the correct vframe within the stack frame if one is given
1399 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1400 while (frame_number < last_frame_number) {
1401 if (vf->is_top()) {
1402 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1403 }
1404 vf = vf->sender();
1405 frame_number ++;
1406 }
1407 // move one frame forward
1408 if (vf->is_top()) {
1409 if (fst.is_done()) {
1410 return NULL;
1411 }
1412 fst.next();
1413 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1414 frame_number = 0;
1415 } else {
1416 vf = vf->sender();
1417 frame_number++;
1418 }
1419 }
1420
1421 while (true) {
1422 // look for the given method
1423 while (true) {
1424 StackValueCollection* locals = NULL;
1425 if (vf->is_compiled_frame()) {
1426 // compiled method frame
1427 compiledVFrame* cvf = compiledVFrame::cast(vf);
1428 if (methods == NULL || matches(methods, cvf->method())) {
1429 if (initialSkip > 0) {
1430 initialSkip --;
1431 } else {
1432 ScopeDesc* scope = cvf->scope();
1433 // native wrappers do not have a scope
1434 if (scope != NULL && scope->objects() != NULL) {
1435 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), CHECK_NULL);
1436 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1437
1438 GrowableArray<ScopeValue*>* local_values = scope->locals();
1439 assert(local_values != NULL, "NULL locals");
1440 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1441 typeArrayHandle array(THREAD, array_oop);
1442 for (int i = 0; i < local_values->length(); i++) {
1443 ScopeValue* value = local_values->at(i);
1444 if (value->is_object()) {
1445 array->bool_at_put(i, true);
1446 }
1447 }
1448 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1449 } else {
1450 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1451 }
1452
1453 locals = cvf->locals();
1454 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1455 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1456 HotSpotStackFrameReference::set_method(result, method);
1457 }
1458 }
1459 } else if (vf->is_interpreted_frame()) {
1460 // interpreted method frame
1461 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1462 if (methods == NULL || matches(methods, ivf->method())) {
1463 if (initialSkip > 0) {
1464 initialSkip --;
1465 } else {
1466 locals = ivf->locals();
1467 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1468 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1469 HotSpotStackFrameReference::set_method(result, method);
1470 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1471 }
1472 }
1473 }
1474
1475 // locals != NULL means that we found a matching frame and result is already partially initialized
1476 if (locals != NULL) {
1477 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1478 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1479 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1480
1481 // initialize the locals array
1482 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1483 objArrayHandle array(THREAD, array_oop);
1484 for (int i = 0; i < locals->size(); i++) {
1485 StackValue* var = locals->at(i);
1486 if (var->type() == T_OBJECT) {
1487 array->obj_at_put(i, locals->at(i)->get_obj()());
1488 }
1489 }
1490 HotSpotStackFrameReference::set_locals(result, array());
1491
1492 return JNIHandles::make_local(thread, result());
1493 }
1494
1495 if (vf->is_top()) {
1496 break;
1497 }
1498 frame_number++;
1499 vf = vf->sender();
1500 } // end of vframe loop
1501
1502 if (fst.is_done()) {
1503 break;
1504 }
1505 fst.next();
1506 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1507 frame_number = 0;
1508 } // end of frame loop
1509
1510 // the end was reached without finding a matching method
1511 return NULL;
1512 C2V_END
1513
1514 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1515 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1516 CallInfo callInfo;
1517 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1518 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1519 cp_cache_entry->set_dynamic_call(cp, callInfo);
1520 C2V_END
1521
1522 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1523 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1524 Klass* holder = cp->klass_ref_at(index, CHECK);
1525 Symbol* name = cp->name_ref_at(index);
1526 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1527 CallInfo callInfo;
1528 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1529 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1530 cp_cache_entry->set_method_handle(cp, callInfo);
1531 }
1532 C2V_END
1533
1534 C2V_VMENTRY(jint, isResolvedInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1535 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1536 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1537 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1538 // MethodHandle.invoke* --> LambdaForm?
1539 ResourceMark rm;
1540
1541 LinkInfo link_info(cp, index, CATCH);
1542
1543 Klass* resolved_klass = link_info.resolved_klass();
1544
1545 Symbol* name_sym = cp->name_ref_at(index);
1546
1547 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1548 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1549
1550 methodHandle adapter_method(cp_cache_entry->f1_as_method());
1551
1552 methodHandle resolved_method(adapter_method);
1553
1554 // Can we treat it as a regular invokevirtual?
1555 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1556 vmassert(!resolved_method->is_static(),"!");
1557 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1558 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1559 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1560 vmassert(cp_cache_entry->method_type_if_resolved(cp) == NULL, "!");
1561
1562 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1563 vmassert(m == resolved_method, "!!");
1564 return -1;
1565 }
1566
1567 return Bytecodes::_invokevirtual;
1568 }
1569 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1570 return Bytecodes::_invokedynamic;
1571 }
1572 return -1;
1573 C2V_END
1574
1575
1576 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1577 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
1578 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1579 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1580 holders->obj_at_put(0, mh());
1581 holders->obj_at_put(1, vh());
1582 return JNIHandles::make_local(THREAD, holders());
1583 C2V_END
1584
1585 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1586 //see compute_recording_non_safepoints in debugInfroRec.cpp
1587 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1588 return true;
1589 }
1590 return DebugNonSafepoints;
1591 C2V_END
1592
1593 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1594 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1595 ResourceMark rm;
1596
1597 if (hs_frame == NULL) {
1598 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1599 }
1600
1601 HotSpotStackFrameReference::klass()->initialize(CHECK);
1602
1603 // look for the given stack frame
1604 StackFrameStream fst(thread);
1605 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1606 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1607 fst.next();
1608 }
1609 if (fst.current()->sp() != stack_pointer) {
1610 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1611 }
1612
1613 if (invalidate) {
1614 if (!fst.current()->is_compiled_frame()) {
1615 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1616 }
1617 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1618 ((nmethod*) fst.current()->cb())->make_not_entrant();
1619 }
1620 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1621 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1622 StackFrameStream fstAfterDeopt(thread);
1623 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1624 fstAfterDeopt.next();
1625 }
1626 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1627 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1628 }
1629
1630 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1631 if (!vf->is_compiled_frame()) {
1632 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1633 }
1634
1635 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1636 while (true) {
1637 assert(vf->is_compiled_frame(), "Wrong frame type");
1638 virtualFrames->push(compiledVFrame::cast(vf));
1639 if (vf->is_top()) {
1640 break;
1641 }
1642 vf = vf->sender();
1643 }
1644
1645 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1646 if (last_frame_number >= virtualFrames->length()) {
1647 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1648 }
1649
1650 // Reallocate the non-escaping objects and restore their fields.
1651 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1652 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1653
1654 if (objects == NULL) {
1655 // no objects to materialize
1656 return;
1657 }
1658
1659 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, CHECK);
1660 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1661
1662 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1663 compiledVFrame* cvf = virtualFrames->at(frame_index);
1664
1665 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1666 StackValueCollection* locals = cvf->locals();
1667 if (locals != NULL) {
1668 for (int i2 = 0; i2 < locals->size(); i2++) {
1669 StackValue* var = locals->at(i2);
1670 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1671 jvalue val;
1672 val.l = (jobject) locals->at(i2)->get_obj()();
1673 cvf->update_local(T_OBJECT, i2, val);
1674 }
1675 }
1676 }
1677
1678 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1679 StackValueCollection* expressions = cvf->expressions();
1680 if (expressions != NULL) {
1681 for (int i2 = 0; i2 < expressions->size(); i2++) {
1682 StackValue* var = expressions->at(i2);
1683 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1684 jvalue val;
1685 val.l = (jobject) expressions->at(i2)->get_obj()();
1686 cvf->update_stack(T_OBJECT, i2, val);
1687 }
1688 }
1689 }
1690
1691 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1692 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1693 if (monitors != NULL) {
1694 for (int i2 = 0; i2 < monitors->length(); i2++) {
1695 cvf->update_monitor(i2, monitors->at(i2));
1696 }
1697 }
1698 }
1699
1700 // all locals are materialized by now
1701 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1702
1703 // update the locals array
1704 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame));
1705 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1706 for (int i = 0; i < locals->size(); i++) {
1707 StackValue* var = locals->at(i);
1708 if (var->type() == T_OBJECT) {
1709 array->obj_at_put(i, locals->at(i)->get_obj()());
1710 }
1711 }
1712 C2V_END
1713
1714 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1715 if (bytes == NULL) {
1716 THROW(vmSymbols::java_lang_NullPointerException());
1717 }
1718 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1719
1720 // Check if offset and length are non negative.
1721 if (offset < 0 || length < 0) {
1722 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1723 }
1724 // Check if the range is valid.
1725 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1726 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1727 }
1728 while (length > 0) {
1729 jbyte* start = array->byte_at_addr(offset);
1730 tty->write((char*) start, MIN2(length, (jint)O_BUFLEN));
1731 length -= O_BUFLEN;
1732 offset += O_BUFLEN;
1733 }
1734 C2V_END
1735
1736 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1737 tty->flush();
1738 C2V_END
1739
1740 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1741 ResourceMark rm;
1742 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1743 ProfileData* profile_data = mdo->data_at(position);
1744 if (mdo->is_valid(profile_data)) {
1745 return profile_data->size_in_bytes();
1746 }
1747 DataLayout* data = mdo->extra_data_base();
1748 DataLayout* end = mdo->extra_data_limit();
1749 for (;; data = mdo->next_extra(data)) {
1750 assert(data < end, "moved past end of extra data");
1751 profile_data = data->data_in();
1752 if (mdo->dp_to_di(profile_data->dp()) == position) {
1753 return profile_data->size_in_bytes();
1754 }
1755 }
1756 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1757 C2V_END
1758
1759 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1760 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1761 if (k->is_instance_klass()) {
1762 return InstanceKlass::cast(k)->get_stored_fingerprint();
1763 } else {
1764 return 0;
1765 }
1766 C2V_END
1767
1768 C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type))
1769 InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type));
1770 InstanceKlass* host = k->host_klass();
1771 oop result = CompilerToVM::get_jvmci_type(host, CHECK_NULL);
1772 return JNIHandles::make_local(THREAD, result);
1773 C2V_END
1774
1775 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1776 if (bytecode_frame_handle == NULL) {
1777 THROW_0(vmSymbols::java_lang_NullPointerException());
1778 }
1779
1780 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1781 oop bytecode_frame = top_bytecode_frame;
1782 int size = 0;
1783 int callee_parameters = 0;
1784 int callee_locals = 0;
1785 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1786 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1787
1788 while (bytecode_frame != NULL) {
1789 int locks = BytecodeFrame::numLocks(bytecode_frame);
1790 int temps = BytecodeFrame::numStack(bytecode_frame);
1791 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1792 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1793
1794 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1795 temps + callee_parameters,
1796 extra_args,
1797 locks,
1798 callee_parameters,
1799 callee_locals,
1800 is_top_frame);
1801 size += frame_size;
1802
1803 callee_parameters = method->size_of_parameters();
1804 callee_locals = method->max_locals();
1805 extra_args = 0;
1806 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1807 }
1808 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1809 C2V_END
1810
1811 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1812 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
1813 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1814 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1815 JavaValue result(T_VOID);
1816 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1817 } else {
1818 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1819 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1820 }
1821 C2V_END
1822
1823 #define CC (char*) /*cast a literal from (const char*)*/
1824 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1825
1826 #define STRING "Ljava/lang/String;"
1827 #define OBJECT "Ljava/lang/Object;"
1828 #define CLASS "Ljava/lang/Class;"
1829 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1830 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1831 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1832 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1833 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1834 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1835 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1836 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1837 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1838 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1839 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1840 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1841 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1842 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1843 #define METASPACE_METHOD_DATA "J"
1844
1845 JNINativeMethod CompilerToVM::methods[] = {
1846 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1847 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1848 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1849 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1850 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1851 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1852 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1853 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
1854 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1855 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1856 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1857 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1858 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1859 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1860 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1861 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1862 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1863 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1864 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1865 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1866 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1867 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1868 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1869 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1870 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1871 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1872 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
1873 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1874 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1875 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1876 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1877 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1878 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1879 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1880 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1881 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1882 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1883 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1884 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1885 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1886 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1887 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1888 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1889 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1890 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1891 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1892 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1893 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1894 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1895 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1896 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1897 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1898 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1899 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1900 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1901 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1902 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1903 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1904 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1905 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1906 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
1907 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1908 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1909 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
1910 };
1911
1912 int CompilerToVM::methods_count() {
1913 return sizeof(methods) / sizeof(JNINativeMethod);
1914 }