1 /*
2 * Copyright (c) 2011, 2025, 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 #ifdef COMPILER1
25 #include "c1/c1_Compiler.hpp"
26 #endif
27 #include "ci/ciUtilities.hpp"
28 #include "compiler/compiler_globals.hpp"
29 #include "compiler/oopMap.hpp"
30 #include "gc/shared/barrierSet.hpp"
31 #include "gc/shared/barrierSetAssembler.hpp"
32 #include "gc/shared/barrierSetNMethod.hpp"
33 #include "gc/shared/cardTable.hpp"
34 #include "gc/shared/collectedHeap.hpp"
35 #include "gc/shared/gc_globals.hpp"
36 #include "gc/shared/tlab_globals.hpp"
37 #if INCLUDE_ZGC
38 #include "gc/z/zBarrierSetRuntime.hpp"
39 #include "gc/z/zThreadLocalData.hpp"
40 #endif
41 #include "jvmci/jvmciCompilerToVM.hpp"
42 #include "jvmci/jvmciEnv.hpp"
43 #include "jvmci/vmStructs_jvmci.hpp"
44 #include "memory/universe.hpp"
45 #include "oops/compressedOops.hpp"
46 #include "oops/klass.inline.hpp"
47 #include "prims/jvmtiExport.hpp"
48 #ifdef COMPILER2
49 #include "opto/c2compiler.hpp"
50 #endif
51 #include "runtime/flags/jvmFlag.hpp"
52 #include "runtime/sharedRuntime.hpp"
53 #include "runtime/stubRoutines.hpp"
54 #include "utilities/resourceHash.hpp"
55 #if INCLUDE_SHENANDOAHGC
56 #include "gc/shenandoah/shenandoahHeap.hpp"
57 #include "gc/shenandoah/shenandoahHeapRegion.hpp"
58 #endif
59
60 int CompilerToVM::Data::oopDesc_klass_offset_in_bytes;
61 int CompilerToVM::Data::arrayOopDesc_length_offset_in_bytes;
62
63 int CompilerToVM::Data::Klass_vtable_start_offset;
64 int CompilerToVM::Data::Klass_vtable_length_offset;
65
66 int CompilerToVM::Data::Method_extra_stack_entries;
67
68 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
69 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
70 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
71 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack_with_exception_in_tls;
72 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
73 address CompilerToVM::Data::SharedRuntime_polling_page_return_handler;
74 address CompilerToVM::Data::SharedRuntime_throw_delayed_StackOverflowError_entry;
75
76 address CompilerToVM::Data::nmethod_entry_barrier;
77 int CompilerToVM::Data::thread_disarmed_guard_value_offset;
78 int CompilerToVM::Data::thread_address_bad_mask_offset;
79
80 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_oop_field_preloaded;
81 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_weak_oop_field_preloaded;
82 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_phantom_oop_field_preloaded;
83 address CompilerToVM::Data::ZBarrierSetRuntime_weak_load_barrier_on_oop_field_preloaded;
84 address CompilerToVM::Data::ZBarrierSetRuntime_weak_load_barrier_on_weak_oop_field_preloaded;
85 address CompilerToVM::Data::ZBarrierSetRuntime_weak_load_barrier_on_phantom_oop_field_preloaded;
86 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_oop_array;
87 address CompilerToVM::Data::ZBarrierSetRuntime_clone;
88
89 address CompilerToVM::Data::ZPointerVectorLoadBadMask_address;
90 address CompilerToVM::Data::ZPointerVectorStoreBadMask_address;
91 address CompilerToVM::Data::ZPointerVectorStoreGoodMask_address;
92
93 #if INCLUDE_SHENANDOAHGC
94 address CompilerToVM::Data::shenandoah_in_cset_fast_test_addr;
95 int CompilerToVM::Data::shenandoah_region_size_bytes_shift;
96 #endif
97
98 bool CompilerToVM::Data::continuations_enabled;
99
100 #ifdef AARCH64
101 int CompilerToVM::Data::BarrierSetAssembler_nmethod_patching_type;
102 address CompilerToVM::Data::BarrierSetAssembler_patching_epoch_addr;
103 #endif
104
105 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
106
107 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
108 int CompilerToVM::Data::Universe_base_vtable_size;
109 address CompilerToVM::Data::Universe_narrow_oop_base;
110 int CompilerToVM::Data::Universe_narrow_oop_shift;
111 address CompilerToVM::Data::Universe_narrow_klass_base;
112 int CompilerToVM::Data::Universe_narrow_klass_shift;
113 void* CompilerToVM::Data::Universe_non_oop_bits;
114 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
115 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
116
117 bool CompilerToVM::Data::_supports_inline_contig_alloc;
118 HeapWord** CompilerToVM::Data::_heap_end_addr;
119 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
120 int CompilerToVM::Data::_max_oop_map_stack_offset;
121 int CompilerToVM::Data::_fields_annotations_base_offset;
122
123 CardTable::CardValue* CompilerToVM::Data::cardtable_start_address;
124 int CompilerToVM::Data::cardtable_shift;
125
126 #ifdef X86
127 int CompilerToVM::Data::L1_line_size;
128 bool CompilerToVM::Data::supports_avx512_simd_sort;
129 #endif
130
131 size_t CompilerToVM::Data::vm_page_size;
132
133 int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry);
134 int CompilerToVM::Data::sizeof_ExceptionTableElement = sizeof(ExceptionTableElement);
135 int CompilerToVM::Data::sizeof_LocalVariableTableElement = sizeof(LocalVariableTableElement);
136 int CompilerToVM::Data::sizeof_ConstantPool = sizeof(ConstantPool);
137 int CompilerToVM::Data::sizeof_narrowKlass = sizeof(narrowKlass);
138 int CompilerToVM::Data::sizeof_arrayOopDesc = sizeof(arrayOopDesc);
139 int CompilerToVM::Data::sizeof_BasicLock = sizeof(BasicLock);
140 #if INCLUDE_ZGC
141 int CompilerToVM::Data::sizeof_ZStoreBarrierEntry = sizeof(ZStoreBarrierEntry);
142 #endif
143
144 address CompilerToVM::Data::dsin;
145 address CompilerToVM::Data::dcos;
146 address CompilerToVM::Data::dtan;
147 address CompilerToVM::Data::dtanh;
148 address CompilerToVM::Data::dexp;
149 address CompilerToVM::Data::dlog;
150 address CompilerToVM::Data::dlog10;
151 address CompilerToVM::Data::dpow;
152
153 address CompilerToVM::Data::symbol_init;
154 address CompilerToVM::Data::symbol_clinit;
155
156 int CompilerToVM::Data::data_section_item_alignment;
157
158 JVMTI_ONLY( int* CompilerToVM::Data::_should_notify_object_alloc; )
159
160 void CompilerToVM::Data::initialize(JVMCI_TRAPS) {
161 oopDesc_klass_offset_in_bytes = oopDesc::klass_offset_in_bytes();
162 arrayOopDesc_length_offset_in_bytes = arrayOopDesc::length_offset_in_bytes();
163
164 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
165 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
166
167 Method_extra_stack_entries = Method::extra_stack_entries();
168
169 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
170 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
171 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
172 SharedRuntime_deopt_blob_unpack_with_exception_in_tls = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls();
173 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
174 SharedRuntime_polling_page_return_handler = SharedRuntime::polling_page_return_handler_blob()->entry_point();
175 SharedRuntime_throw_delayed_StackOverflowError_entry = SharedRuntime::throw_delayed_StackOverflowError_entry();
176
177 BarrierSetNMethod* bs_nm = BarrierSet::barrier_set()->barrier_set_nmethod();
178 thread_disarmed_guard_value_offset = in_bytes(bs_nm->thread_disarmed_guard_value_offset());
179 nmethod_entry_barrier = StubRoutines::method_entry_barrier();
180 BarrierSetAssembler* bs_asm = BarrierSet::barrier_set()->barrier_set_assembler();
181 AARCH64_ONLY(BarrierSetAssembler_nmethod_patching_type = (int) bs_asm->nmethod_patching_type());
182 AARCH64_ONLY(BarrierSetAssembler_patching_epoch_addr = bs_asm->patching_epoch_addr());
183
184 #if INCLUDE_ZGC
185 if (UseZGC) {
186 ZPointerVectorLoadBadMask_address = (address) &ZPointerVectorLoadBadMask;
187 ZPointerVectorStoreBadMask_address = (address) &ZPointerVectorStoreBadMask;
188 ZPointerVectorStoreGoodMask_address = (address) &ZPointerVectorStoreGoodMask;
189 }
190 #endif
191
192 continuations_enabled = Continuations::enabled();
193
194 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
195
196 Universe_collectedHeap = Universe::heap();
197 Universe_base_vtable_size = Universe::base_vtable_size();
198 if (UseCompressedOops) {
199 Universe_narrow_oop_base = CompressedOops::base();
200 Universe_narrow_oop_shift = CompressedOops::shift();
201 } else {
202 Universe_narrow_oop_base = nullptr;
203 Universe_narrow_oop_shift = 0;
204 }
205 if (UseCompressedClassPointers) {
206 Universe_narrow_klass_base = CompressedKlassPointers::base();
207 Universe_narrow_klass_shift = CompressedKlassPointers::shift();
208 } else {
209 Universe_narrow_klass_base = nullptr;
210 Universe_narrow_klass_shift = 0;
211 }
212 Universe_non_oop_bits = Universe::non_oop_word();
213 Universe_verify_oop_mask = Universe::verify_oop_mask();
214 Universe_verify_oop_bits = Universe::verify_oop_bits();
215
216 _supports_inline_contig_alloc = false;
217 _heap_end_addr = (HeapWord**) -1;
218 _heap_top_addr = (HeapWord* volatile*) -1;
219
220 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
221 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
222 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
223 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
224
225 symbol_init = (address) vmSymbols::object_initializer_name();
226 symbol_clinit = (address) vmSymbols::class_initializer_name();
227
228 _fields_annotations_base_offset = Array<AnnotationArray*>::base_offset_in_bytes();
229
230 data_section_item_alignment = relocInfo::addr_unit();
231
232 JVMTI_ONLY( _should_notify_object_alloc = &JvmtiExport::_should_notify_object_alloc; )
233
234 BarrierSet* bs = BarrierSet::barrier_set();
235 if (bs->is_a(BarrierSet::CardTableBarrierSet)) {
236 CardTable::CardValue* base = ci_card_table_address();
237 assert(base != nullptr, "unexpected byte_map_base");
238 cardtable_start_address = base;
239 cardtable_shift = CardTable::card_shift();
240 #if INCLUDE_SHENANDOAHGC
241 } else if (bs->is_a(BarrierSet::ShenandoahBarrierSet)) {
242 cardtable_start_address = nullptr;
243 cardtable_shift = CardTable::card_shift();
244 #endif
245 } else {
246 // No card mark barriers
247 cardtable_start_address = nullptr;
248 cardtable_shift = 0;
249 }
250
251 #if INCLUDE_SHENANDOAHGC
252 if (UseShenandoahGC) {
253 shenandoah_in_cset_fast_test_addr = ShenandoahHeap::in_cset_fast_test_addr();
254 shenandoah_region_size_bytes_shift = ShenandoahHeapRegion::region_size_bytes_shift_jint();
255 }
256 #endif
257
258 #ifdef X86
259 L1_line_size = VM_Version::L1_line_size();
260 supports_avx512_simd_sort = VM_Version::supports_avx512_simd_sort();
261 #endif
262
263 vm_page_size = os::vm_page_size();
264
265 #define SET_TRIGFUNC(name) \
266 if (StubRoutines::name() != nullptr) { \
267 name = StubRoutines::name(); \
268 } else { \
269 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
270 }
271
272 SET_TRIGFUNC(dsin);
273 SET_TRIGFUNC(dcos);
274 SET_TRIGFUNC(dtan);
275 SET_TRIGFUNC(dexp);
276 SET_TRIGFUNC(dlog10);
277 SET_TRIGFUNC(dlog);
278 SET_TRIGFUNC(dpow);
279
280 #undef SET_TRIGFUNC
281
282 #define SET_TRIGFUNC_OR_NULL(name) \
283 if (StubRoutines::name() != nullptr) { \
284 name = StubRoutines::name(); \
285 } else { \
286 name = nullptr; \
287 }
288
289 SET_TRIGFUNC_OR_NULL(dtanh);
290
291 #undef SET_TRIGFUNC_OR_NULL
292
293
294 }
295
296 static jboolean is_c1_supported(vmIntrinsics::ID id){
297 jboolean supported = false;
298 #ifdef COMPILER1
299 supported = (jboolean) Compiler::is_intrinsic_supported(id);
300 #endif
301 return supported;
302 }
303
304 static jboolean is_c2_supported(vmIntrinsics::ID id){
305 jboolean supported = false;
306 #ifdef COMPILER2
307 supported = (jboolean) C2Compiler::is_intrinsic_supported(id);
308 #endif
309 return supported;
310 }
311
312 JVMCIObjectArray CompilerToVM::initialize_intrinsics(JVMCI_TRAPS) {
313 int len = vmIntrinsics::number_of_intrinsics() - 1; // Exclude vmIntrinsics::_none, which is 0
314 JVMCIObjectArray vmIntrinsics = JVMCIENV->new_VMIntrinsicMethod_array(len, JVMCI_CHECK_NULL);
315 int index = 0;
316 vmSymbolID kls_sid = vmSymbolID::NO_SID;
317 JVMCIObject kls_str;
318 #define VM_SYMBOL_TO_STRING(s) \
319 JVMCIENV->create_string(vmSymbols::symbol_at(VM_SYMBOL_ENUM_NAME(s)), JVMCI_CHECK_NULL)
320 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
321 vmSymbolID sid = VM_SYMBOL_ENUM_NAME(kls); \
322 if (kls_sid != sid) { \
323 kls_str = VM_SYMBOL_TO_STRING(kls); \
324 kls_sid = sid; \
325 } \
326 JVMCIObject name_str = VM_SYMBOL_TO_STRING(name); \
327 JVMCIObject sig_str = VM_SYMBOL_TO_STRING(sig); \
328 JVMCIObject vmIntrinsicMethod = JVMCIENV->new_VMIntrinsicMethod(kls_str, name_str, sig_str, (jint) vmIntrinsics::id, \
329 (jboolean) vmIntrinsics::is_intrinsic_available(vmIntrinsics::id), \
330 is_c1_supported(vmIntrinsics::id), \
331 is_c2_supported(vmIntrinsics::id), JVMCI_CHECK_NULL); \
332 JVMCIENV->put_object_at(vmIntrinsics, index++, vmIntrinsicMethod); \
333 }
334
335 // VM_INTRINSICS_DO does *not* iterate over vmIntrinsics::_none
336 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
337 #undef VM_SYMBOL_TO_STRING
338 #undef VM_INTRINSIC_INFO
339
340 assert(index == len, "must be");
341 return vmIntrinsics;
342 }
343
344 #define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_int_flag, do_intx_flag, do_uintx_flag) \
345 do_int_flag(AllocateInstancePrefetchLines) \
346 do_int_flag(AllocatePrefetchDistance) \
347 do_intx_flag(AllocatePrefetchInstr) \
348 do_int_flag(AllocatePrefetchLines) \
349 do_int_flag(AllocatePrefetchStepSize) \
350 do_int_flag(AllocatePrefetchStyle) \
351 do_intx_flag(BciProfileWidth) \
352 do_bool_flag(BootstrapJVMCI) \
353 do_bool_flag(CITime) \
354 do_bool_flag(CITimeEach) \
355 do_uintx_flag(CodeCacheSegmentSize) \
356 do_intx_flag(CodeEntryAlignment) \
357 do_int_flag(ContendedPaddingWidth) \
358 do_bool_flag(DontCompileHugeMethods) \
359 do_bool_flag(EagerJVMCI) \
360 do_bool_flag(EnableContended) \
361 do_bool_flag(FoldStableValues) \
362 do_bool_flag(ForceUnreachable) \
363 do_intx_flag(HugeMethodLimit) \
364 do_bool_flag(Inline) \
365 do_intx_flag(JVMCICounterSize) \
366 do_bool_flag(JVMCIPrintProperties) \
367 do_int_flag(ObjectAlignmentInBytes) \
368 do_bool_flag(PrintInlining) \
369 do_bool_flag(ReduceInitialCardMarks) \
370 do_bool_flag(RestrictContended) \
371 do_intx_flag(StackReservedPages) \
372 do_intx_flag(StackShadowPages) \
373 do_uintx_flag(TLABWasteIncrement) \
374 do_intx_flag(TypeProfileWidth) \
375 do_bool_flag(UseAESIntrinsics) \
376 X86_ONLY(do_int_flag(UseAVX)) \
377 do_bool_flag(UseCRC32Intrinsics) \
378 do_bool_flag(UseAdler32Intrinsics) \
379 do_bool_flag(UseCompressedClassPointers) \
380 do_bool_flag(UseCompressedOops) \
381 X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \
382 X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \
383 do_bool_flag(UseG1GC) \
384 do_bool_flag(UseParallelGC) \
385 do_bool_flag(UseSerialGC) \
386 do_bool_flag(UseZGC) \
387 do_bool_flag(UseEpsilonGC) \
388 COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \
389 COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \
390 COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \
391 COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \
392 do_bool_flag(UsePopCountInstruction) \
393 do_bool_flag(UseSHA1Intrinsics) \
394 do_bool_flag(UseSHA256Intrinsics) \
395 do_bool_flag(UseSHA512Intrinsics) \
396 X86_ONLY(do_int_flag(UseSSE)) \
397 COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \
398 do_bool_flag(UseTLAB) \
399 do_bool_flag(VerifyOops) \
400
401 #define BOXED_BOOLEAN(name, value) name = ((jboolean)(value) ? boxedTrue : boxedFalse)
402 #define BOXED_DOUBLE(name, value) do { jvalue p; p.d = (jdouble) (value); name = JVMCIENV->create_box(T_DOUBLE, &p, JVMCI_CHECK_NULL);} while(0)
403 #define BOXED_LONG(name, value) \
404 do { \
405 jvalue p; p.j = (jlong) (value); \
406 JVMCIObject* e = longs.get(p.j); \
407 if (e == nullptr) { \
408 JVMCIObject h = JVMCIENV->create_box(T_LONG, &p, JVMCI_CHECK_NULL); \
409 longs.put(p.j, h); \
410 name = h; \
411 } else { \
412 name = (*e); \
413 } \
414 } while (0)
415
416 #define CSTRING_TO_JSTRING(name, value) \
417 JVMCIObject name; \
418 do { \
419 if (value != nullptr) { \
420 JVMCIObject* e = strings.get(value); \
421 if (e == nullptr) { \
422 JVMCIObject h = JVMCIENV->create_string(value, JVMCI_CHECK_NULL); \
423 strings.put(value, h); \
424 name = h; \
425 } else { \
426 name = (*e); \
427 } \
428 } \
429 } while (0)
430
431 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS) {
432 JavaThread* THREAD = JavaThread::current(); // For exception macros.
433 ResourceHashtable<jlong, JVMCIObject> longs;
434 ResourceHashtable<const char*, JVMCIObject,
435 256, AnyObj::RESOURCE_AREA, mtInternal,
436 &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings;
437
438 jvalue prim;
439 prim.z = true; JVMCIObject boxedTrue = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
440 prim.z = false; JVMCIObject boxedFalse = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
441
442 CompilerToVM::Data::initialize(JVMCI_CHECK_NULL);
443
444 JVMCIENV->VMField_initialize(JVMCI_CHECK_NULL);
445 JVMCIENV->VMFlag_initialize(JVMCI_CHECK_NULL);
446 JVMCIENV->VMIntrinsicMethod_initialize(JVMCI_CHECK_NULL);
447
448 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
449 JVMCIObjectArray vmFields = JVMCIENV->new_VMField_array(len, JVMCI_CHECK_NULL);
450 for (int i = 0; i < len ; i++) {
451 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
452 const size_t name_buf_size = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 + 1 /* "::" */;
453 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_size);
454 os::snprintf_checked(name_buf, name_buf_size, "%s::%s", vmField.typeName, vmField.fieldName);
455 CSTRING_TO_JSTRING(name, name_buf);
456 CSTRING_TO_JSTRING(type, vmField.typeString);
457 JVMCIObject box;
458 if (vmField.isStatic && vmField.typeString != nullptr) {
459 if (strcmp(vmField.typeString, "bool") == 0) {
460 BOXED_BOOLEAN(box, *(jbyte*) vmField.address);
461 assert(box.is_non_null(), "must have a box");
462 } else if (strcmp(vmField.typeString, "int") == 0 ||
463 strcmp(vmField.typeString, "jint") == 0 ||
464 strcmp(vmField.typeString, "uint") == 0 ||
465 strcmp(vmField.typeString, "uint32_t") == 0) {
466 BOXED_LONG(box, *(jint*) vmField.address);
467 assert(box.is_non_null(), "must have a box");
468 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
469 BOXED_LONG(box, *(uint64_t*) vmField.address);
470 assert(box.is_non_null(), "must have a box");
471 } else if (strcmp(vmField.typeString, "address") == 0 ||
472 strcmp(vmField.typeString, "intptr_t") == 0 ||
473 strcmp(vmField.typeString, "uintptr_t") == 0 ||
474 strcmp(vmField.typeString, "OopHandle") == 0 ||
475 strcmp(vmField.typeString, "VM_Version::VM_Features") == 0 ||
476 strcmp(vmField.typeString, "size_t") == 0 ||
477 // All foo* types are addresses.
478 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
479 BOXED_LONG(box, *((address*) vmField.address));
480 assert(box.is_non_null(), "must have a box");
481 } else {
482 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
483 }
484 }
485 JVMCIObject vmFieldObj = JVMCIENV->new_VMField(name, type, vmField.offset, (jlong) vmField.address, box, JVMCI_CHECK_NULL);
486 JVMCIENV->put_object_at(vmFields, i, vmFieldObj);
487 }
488
489 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
490 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
491 len = ints_len + longs_len;
492 JVMCIObjectArray vmConstants = JVMCIENV->new_Object_array(len * 2, JVMCI_CHECK_NULL);
493 int insert = 0;
494 for (int i = 0; i < ints_len ; i++) {
495 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
496 CSTRING_TO_JSTRING(name, c.name);
497 JVMCIObject value;
498 BOXED_LONG(value, c.value);
499 JVMCIENV->put_object_at(vmConstants, insert++, name);
500 JVMCIENV->put_object_at(vmConstants, insert++, value);
501 }
502 for (int i = 0; i < longs_len ; i++) {
503 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
504 CSTRING_TO_JSTRING(name, c.name);
505 JVMCIObject value;
506 BOXED_LONG(value, c.value);
507 JVMCIENV->put_object_at(vmConstants, insert++, name);
508 JVMCIENV->put_object_at(vmConstants, insert++, value);
509 }
510 assert(insert == len * 2, "must be");
511
512 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
513 JVMCIObjectArray vmAddresses = JVMCIENV->new_Object_array(len * 2, JVMCI_CHECK_NULL);
514 for (int i = 0; i < len ; i++) {
515 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
516 CSTRING_TO_JSTRING(name, a.name);
517 JVMCIObject value;
518 BOXED_LONG(value, a.value);
519 JVMCIENV->put_object_at(vmAddresses, i * 2, name);
520 JVMCIENV->put_object_at(vmAddresses, i * 2 + 1, value);
521 }
522
523 #define COUNT_FLAG(ignore) +1
524 #ifdef ASSERT
525 #define CHECK_FLAG(type, name) { \
526 const JVMFlag* flag = JVMFlag::find_declared_flag(#name); \
527 assert(flag != nullptr, "No such flag named " #name); \
528 assert(flag->is_##type(), "JVMFlag " #name " is not of type " #type); \
529 }
530 #else
531 #define CHECK_FLAG(type, name)
532 #endif
533
534 #define ADD_FLAG(type, name, convert) { \
535 CHECK_FLAG(type, name) \
536 CSTRING_TO_JSTRING(fname, #name); \
537 CSTRING_TO_JSTRING(ftype, #type); \
538 convert(value, name); \
539 JVMCIObject vmFlagObj = JVMCIENV->new_VMFlag(fname, ftype, value, JVMCI_CHECK_NULL); \
540 JVMCIENV->put_object_at(vmFlags, i++, vmFlagObj); \
541 }
542 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN)
543 #define ADD_INT_FLAG(name) ADD_FLAG(int, name, BOXED_LONG)
544 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG)
545 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG)
546
547 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG, COUNT_FLAG);
548 JVMCIObjectArray vmFlags = JVMCIENV->new_VMFlag_array(len, JVMCI_CHECK_NULL);
549 int i = 0;
550 JVMCIObject value;
551 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INT_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG)
552
553 JVMCIObjectArray vmIntrinsics = CompilerToVM::initialize_intrinsics(JVMCI_CHECK_NULL);
554
555 JVMCIObjectArray data = JVMCIENV->new_Object_array(5, JVMCI_CHECK_NULL);
556 JVMCIENV->put_object_at(data, 0, vmFields);
557 JVMCIENV->put_object_at(data, 1, vmConstants);
558 JVMCIENV->put_object_at(data, 2, vmAddresses);
559 JVMCIENV->put_object_at(data, 3, vmFlags);
560 JVMCIENV->put_object_at(data, 4, vmIntrinsics);
561
562 return JVMCIENV->get_jobjectArray(data);
563 }