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::dcbrt;
149 address CompilerToVM::Data::dexp;
150 address CompilerToVM::Data::dlog;
151 address CompilerToVM::Data::dlog10;
152 address CompilerToVM::Data::dpow;
153
154 address CompilerToVM::Data::crc_table_addr;
155
156 address CompilerToVM::Data::symbol_init;
157 address CompilerToVM::Data::symbol_clinit;
158
159 int CompilerToVM::Data::data_section_item_alignment;
160
161 JVMTI_ONLY( int* CompilerToVM::Data::_should_notify_object_alloc; )
162
163 void CompilerToVM::Data::initialize(JVMCI_TRAPS) {
164 oopDesc_klass_offset_in_bytes = oopDesc::klass_offset_in_bytes();
165 arrayOopDesc_length_offset_in_bytes = arrayOopDesc::length_offset_in_bytes();
166
167 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
168 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
169
170 Method_extra_stack_entries = Method::extra_stack_entries();
171
172 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
173 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
174 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
175 SharedRuntime_deopt_blob_unpack_with_exception_in_tls = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls();
176 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
177 SharedRuntime_polling_page_return_handler = SharedRuntime::polling_page_return_handler_blob()->entry_point();
178 SharedRuntime_throw_delayed_StackOverflowError_entry = SharedRuntime::throw_delayed_StackOverflowError_entry();
179
180 BarrierSetNMethod* bs_nm = BarrierSet::barrier_set()->barrier_set_nmethod();
181 thread_disarmed_guard_value_offset = in_bytes(bs_nm->thread_disarmed_guard_value_offset());
182 nmethod_entry_barrier = StubRoutines::method_entry_barrier();
183 BarrierSetAssembler* bs_asm = BarrierSet::barrier_set()->barrier_set_assembler();
184 AARCH64_ONLY(BarrierSetAssembler_nmethod_patching_type = (int) bs_asm->nmethod_patching_type());
185 AARCH64_ONLY(BarrierSetAssembler_patching_epoch_addr = bs_asm->patching_epoch_addr());
186
187 #if INCLUDE_ZGC
188 if (UseZGC) {
189 ZPointerVectorLoadBadMask_address = (address) &ZPointerVectorLoadBadMask;
190 ZPointerVectorStoreBadMask_address = (address) &ZPointerVectorStoreBadMask;
191 ZPointerVectorStoreGoodMask_address = (address) &ZPointerVectorStoreGoodMask;
192 }
193 #endif
194
195 continuations_enabled = Continuations::enabled();
196
197 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
198
199 Universe_collectedHeap = Universe::heap();
200 Universe_base_vtable_size = Universe::base_vtable_size();
201 if (UseCompressedOops) {
202 Universe_narrow_oop_base = CompressedOops::base();
203 Universe_narrow_oop_shift = CompressedOops::shift();
204 } else {
205 Universe_narrow_oop_base = nullptr;
206 Universe_narrow_oop_shift = 0;
207 }
208 if (UseCompressedClassPointers) {
209 Universe_narrow_klass_base = CompressedKlassPointers::base();
210 Universe_narrow_klass_shift = CompressedKlassPointers::shift();
211 } else {
212 Universe_narrow_klass_base = nullptr;
213 Universe_narrow_klass_shift = 0;
214 }
215 Universe_non_oop_bits = Universe::non_oop_word();
216 Universe_verify_oop_mask = Universe::verify_oop_mask();
217 Universe_verify_oop_bits = Universe::verify_oop_bits();
218
219 _supports_inline_contig_alloc = false;
220 _heap_end_addr = (HeapWord**) -1;
221 _heap_top_addr = (HeapWord* volatile*) -1;
222
223 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
224 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
225 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
226 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
227
228 symbol_init = (address) vmSymbols::object_initializer_name();
229 symbol_clinit = (address) vmSymbols::class_initializer_name();
230
231 _fields_annotations_base_offset = Array<AnnotationArray*>::base_offset_in_bytes();
232
233 data_section_item_alignment = relocInfo::addr_unit();
234
235 JVMTI_ONLY( _should_notify_object_alloc = &JvmtiExport::_should_notify_object_alloc; )
236
237 BarrierSet* bs = BarrierSet::barrier_set();
238 if (bs->is_a(BarrierSet::CardTableBarrierSet)) {
239 CardTable::CardValue* base = ci_card_table_address();
240 assert(base != nullptr, "unexpected byte_map_base");
241 cardtable_start_address = base;
242 cardtable_shift = CardTable::card_shift();
243 #if INCLUDE_SHENANDOAHGC
244 } else if (bs->is_a(BarrierSet::ShenandoahBarrierSet)) {
245 cardtable_start_address = nullptr;
246 cardtable_shift = CardTable::card_shift();
247 #endif
248 } else {
249 // No card mark barriers
250 cardtable_start_address = nullptr;
251 cardtable_shift = 0;
252 }
253
254 #if INCLUDE_SHENANDOAHGC
255 if (UseShenandoahGC) {
256 shenandoah_in_cset_fast_test_addr = ShenandoahHeap::in_cset_fast_test_addr();
257 shenandoah_region_size_bytes_shift = ShenandoahHeapRegion::region_size_bytes_shift_jint();
258 }
259 #endif
260
261 #ifdef X86
262 L1_line_size = VM_Version::L1_line_size();
263 supports_avx512_simd_sort = VM_Version::supports_avx512_simd_sort();
264 #endif
265
266 vm_page_size = os::vm_page_size();
267
268 #define SET_TRIGFUNC(name) \
269 if (StubRoutines::name() != nullptr) { \
270 name = StubRoutines::name(); \
271 } else { \
272 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
273 }
274
275 SET_TRIGFUNC(dsin);
276 SET_TRIGFUNC(dcos);
277 SET_TRIGFUNC(dtan);
278 SET_TRIGFUNC(dexp);
279 SET_TRIGFUNC(dlog10);
280 SET_TRIGFUNC(dlog);
281 SET_TRIGFUNC(dpow);
282
283 #undef SET_TRIGFUNC
284
285 #define SET_TRIGFUNC_OR_NULL(name) \
286 if (StubRoutines::name() != nullptr) { \
287 name = StubRoutines::name(); \
288 } else { \
289 name = nullptr; \
290 }
291
292 SET_TRIGFUNC_OR_NULL(dtanh);
293 SET_TRIGFUNC_OR_NULL(dcbrt);
294 SET_TRIGFUNC_OR_NULL(crc_table_addr);
295
296 #undef SET_TRIGFUNC_OR_NULL
297
298
299 }
300
301 static jboolean is_c1_supported(vmIntrinsics::ID id){
302 jboolean supported = false;
303 #ifdef COMPILER1
304 supported = (jboolean) Compiler::is_intrinsic_supported(id);
305 #endif
306 return supported;
307 }
308
309 static jboolean is_c2_supported(vmIntrinsics::ID id){
310 jboolean supported = false;
311 #ifdef COMPILER2
312 supported = (jboolean) C2Compiler::is_intrinsic_supported(id);
313 #endif
314 return supported;
315 }
316
317 JVMCIObjectArray CompilerToVM::initialize_intrinsics(JVMCI_TRAPS) {
318 int len = vmIntrinsics::number_of_intrinsics() - 1; // Exclude vmIntrinsics::_none, which is 0
319 JVMCIObjectArray vmIntrinsics = JVMCIENV->new_VMIntrinsicMethod_array(len, JVMCI_CHECK_NULL);
320 int index = 0;
321 vmSymbolID kls_sid = vmSymbolID::NO_SID;
322 JVMCIObject kls_str;
323 #define VM_SYMBOL_TO_STRING(s) \
324 JVMCIENV->create_string(vmSymbols::symbol_at(VM_SYMBOL_ENUM_NAME(s)), JVMCI_CHECK_NULL)
325 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
326 vmSymbolID sid = VM_SYMBOL_ENUM_NAME(kls); \
327 if (kls_sid != sid) { \
328 kls_str = VM_SYMBOL_TO_STRING(kls); \
329 kls_sid = sid; \
330 } \
331 JVMCIObject name_str = VM_SYMBOL_TO_STRING(name); \
332 JVMCIObject sig_str = VM_SYMBOL_TO_STRING(sig); \
333 JVMCIObject vmIntrinsicMethod = JVMCIENV->new_VMIntrinsicMethod(kls_str, name_str, sig_str, (jint) vmIntrinsics::id, \
334 (jboolean) vmIntrinsics::is_intrinsic_available(vmIntrinsics::id), \
335 is_c1_supported(vmIntrinsics::id), \
336 is_c2_supported(vmIntrinsics::id), JVMCI_CHECK_NULL); \
337 JVMCIENV->put_object_at(vmIntrinsics, index++, vmIntrinsicMethod); \
338 }
339
340 // VM_INTRINSICS_DO does *not* iterate over vmIntrinsics::_none
341 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
342 #undef VM_SYMBOL_TO_STRING
343 #undef VM_INTRINSIC_INFO
344
345 assert(index == len, "must be");
346 return vmIntrinsics;
347 }
348
349 #define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_int_flag, do_intx_flag, do_uintx_flag) \
350 do_int_flag(AllocateInstancePrefetchLines) \
351 do_int_flag(AllocatePrefetchDistance) \
352 do_intx_flag(AllocatePrefetchInstr) \
353 do_int_flag(AllocatePrefetchLines) \
354 do_int_flag(AllocatePrefetchStepSize) \
355 do_int_flag(AllocatePrefetchStyle) \
356 do_intx_flag(BciProfileWidth) \
357 do_bool_flag(BootstrapJVMCI) \
358 do_bool_flag(CITime) \
359 do_bool_flag(CITimeEach) \
360 do_uintx_flag(CodeCacheSegmentSize) \
361 do_intx_flag(CodeEntryAlignment) \
362 do_int_flag(ContendedPaddingWidth) \
363 do_bool_flag(DontCompileHugeMethods) \
364 do_bool_flag(EagerJVMCI) \
365 do_bool_flag(EnableContended) \
366 do_bool_flag(FoldStableValues) \
367 do_bool_flag(ForceUnreachable) \
368 do_intx_flag(HugeMethodLimit) \
369 do_bool_flag(Inline) \
370 do_intx_flag(JVMCICounterSize) \
371 do_bool_flag(JVMCIPrintProperties) \
372 do_int_flag(ObjectAlignmentInBytes) \
373 do_bool_flag(PrintInlining) \
374 do_bool_flag(ReduceInitialCardMarks) \
375 do_bool_flag(RestrictContended) \
376 do_intx_flag(StackReservedPages) \
377 do_intx_flag(StackShadowPages) \
378 do_uintx_flag(TLABWasteIncrement) \
379 do_intx_flag(TypeProfileWidth) \
380 do_bool_flag(UseAESIntrinsics) \
381 X86_ONLY(do_int_flag(UseAVX)) \
382 do_bool_flag(UseCRC32Intrinsics) \
383 do_bool_flag(UseAdler32Intrinsics) \
384 do_bool_flag(UseCompressedClassPointers) \
385 do_bool_flag(UseCompressedOops) \
386 X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \
387 X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \
388 do_bool_flag(UseG1GC) \
389 do_bool_flag(UseParallelGC) \
390 do_bool_flag(UseSerialGC) \
391 do_bool_flag(UseZGC) \
392 do_bool_flag(UseEpsilonGC) \
393 COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \
394 COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \
395 COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \
396 COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \
397 do_bool_flag(UsePopCountInstruction) \
398 do_bool_flag(UseSHA1Intrinsics) \
399 do_bool_flag(UseSHA256Intrinsics) \
400 do_bool_flag(UseSHA512Intrinsics) \
401 X86_ONLY(do_int_flag(UseSSE)) \
402 COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \
403 do_bool_flag(UseTLAB) \
404 do_bool_flag(VerifyOops) \
405
406 #define BOXED_BOOLEAN(name, value) name = ((jboolean)(value) ? boxedTrue : boxedFalse)
407 #define BOXED_DOUBLE(name, value) do { jvalue p; p.d = (jdouble) (value); name = JVMCIENV->create_box(T_DOUBLE, &p, JVMCI_CHECK_NULL);} while(0)
408 #define BOXED_LONG(name, value) \
409 do { \
410 jvalue p; p.j = (jlong) (value); \
411 JVMCIObject* e = longs.get(p.j); \
412 if (e == nullptr) { \
413 JVMCIObject h = JVMCIENV->create_box(T_LONG, &p, JVMCI_CHECK_NULL); \
414 longs.put(p.j, h); \
415 name = h; \
416 } else { \
417 name = (*e); \
418 } \
419 } while (0)
420
421 #define CSTRING_TO_JSTRING(name, value) \
422 JVMCIObject name; \
423 do { \
424 if (value != nullptr) { \
425 JVMCIObject* e = strings.get(value); \
426 if (e == nullptr) { \
427 JVMCIObject h = JVMCIENV->create_string(value, JVMCI_CHECK_NULL); \
428 strings.put(value, h); \
429 name = h; \
430 } else { \
431 name = (*e); \
432 } \
433 } \
434 } while (0)
435
436 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS) {
437 JavaThread* THREAD = JavaThread::current(); // For exception macros.
438 ResourceHashtable<jlong, JVMCIObject> longs;
439 ResourceHashtable<const char*, JVMCIObject,
440 256, AnyObj::RESOURCE_AREA, mtInternal,
441 &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings;
442
443 jvalue prim;
444 prim.z = true; JVMCIObject boxedTrue = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
445 prim.z = false; JVMCIObject boxedFalse = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
446
447 CompilerToVM::Data::initialize(JVMCI_CHECK_NULL);
448
449 JVMCIENV->VMField_initialize(JVMCI_CHECK_NULL);
450 JVMCIENV->VMFlag_initialize(JVMCI_CHECK_NULL);
451 JVMCIENV->VMIntrinsicMethod_initialize(JVMCI_CHECK_NULL);
452
453 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
454 JVMCIObjectArray vmFields = JVMCIENV->new_VMField_array(len, JVMCI_CHECK_NULL);
455 for (int i = 0; i < len ; i++) {
456 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
457 const size_t name_buf_size = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 + 1 /* "::" */;
458 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_size);
459 os::snprintf_checked(name_buf, name_buf_size, "%s::%s", vmField.typeName, vmField.fieldName);
460 CSTRING_TO_JSTRING(name, name_buf);
461 CSTRING_TO_JSTRING(type, vmField.typeString);
462 JVMCIObject box;
463 if (vmField.isStatic && vmField.typeString != nullptr) {
464 if (strcmp(vmField.typeString, "bool") == 0) {
465 BOXED_BOOLEAN(box, *(jbyte*) vmField.address);
466 assert(box.is_non_null(), "must have a box");
467 } else if (strcmp(vmField.typeString, "int") == 0 ||
468 strcmp(vmField.typeString, "jint") == 0 ||
469 strcmp(vmField.typeString, "uint") == 0 ||
470 strcmp(vmField.typeString, "uint32_t") == 0) {
471 BOXED_LONG(box, *(jint*) vmField.address);
472 assert(box.is_non_null(), "must have a box");
473 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
474 BOXED_LONG(box, *(uint64_t*) vmField.address);
475 assert(box.is_non_null(), "must have a box");
476 } else if (strcmp(vmField.typeString, "address") == 0 ||
477 strcmp(vmField.typeString, "intptr_t") == 0 ||
478 strcmp(vmField.typeString, "uintptr_t") == 0 ||
479 strcmp(vmField.typeString, "OopHandle") == 0 ||
480 strcmp(vmField.typeString, "VM_Version::VM_Features") == 0 ||
481 strcmp(vmField.typeString, "size_t") == 0 ||
482 // All foo* types are addresses.
483 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
484 BOXED_LONG(box, *((address*) vmField.address));
485 assert(box.is_non_null(), "must have a box");
486 } else {
487 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
488 }
489 }
490 JVMCIObject vmFieldObj = JVMCIENV->new_VMField(name, type, vmField.offset, (jlong) vmField.address, box, JVMCI_CHECK_NULL);
491 JVMCIENV->put_object_at(vmFields, i, vmFieldObj);
492 }
493
494 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
495 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
496 len = ints_len + longs_len;
497 JVMCIObjectArray vmConstants = JVMCIENV->new_Object_array(len * 2, JVMCI_CHECK_NULL);
498 int insert = 0;
499 for (int i = 0; i < ints_len ; i++) {
500 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
501 CSTRING_TO_JSTRING(name, c.name);
502 JVMCIObject value;
503 BOXED_LONG(value, c.value);
504 JVMCIENV->put_object_at(vmConstants, insert++, name);
505 JVMCIENV->put_object_at(vmConstants, insert++, value);
506 }
507 for (int i = 0; i < longs_len ; i++) {
508 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
509 CSTRING_TO_JSTRING(name, c.name);
510 JVMCIObject value;
511 BOXED_LONG(value, c.value);
512 JVMCIENV->put_object_at(vmConstants, insert++, name);
513 JVMCIENV->put_object_at(vmConstants, insert++, value);
514 }
515 assert(insert == len * 2, "must be");
516
517 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
518 JVMCIObjectArray vmAddresses = JVMCIENV->new_Object_array(len * 2, JVMCI_CHECK_NULL);
519 for (int i = 0; i < len ; i++) {
520 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
521 CSTRING_TO_JSTRING(name, a.name);
522 JVMCIObject value;
523 BOXED_LONG(value, a.value);
524 JVMCIENV->put_object_at(vmAddresses, i * 2, name);
525 JVMCIENV->put_object_at(vmAddresses, i * 2 + 1, value);
526 }
527
528 #define COUNT_FLAG(ignore) +1
529 #ifdef ASSERT
530 #define CHECK_FLAG(type, name) { \
531 const JVMFlag* flag = JVMFlag::find_declared_flag(#name); \
532 assert(flag != nullptr, "No such flag named " #name); \
533 assert(flag->is_##type(), "JVMFlag " #name " is not of type " #type); \
534 }
535 #else
536 #define CHECK_FLAG(type, name)
537 #endif
538
539 #define ADD_FLAG(type, name, convert) { \
540 CHECK_FLAG(type, name) \
541 CSTRING_TO_JSTRING(fname, #name); \
542 CSTRING_TO_JSTRING(ftype, #type); \
543 convert(value, name); \
544 JVMCIObject vmFlagObj = JVMCIENV->new_VMFlag(fname, ftype, value, JVMCI_CHECK_NULL); \
545 JVMCIENV->put_object_at(vmFlags, i++, vmFlagObj); \
546 }
547 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN)
548 #define ADD_INT_FLAG(name) ADD_FLAG(int, name, BOXED_LONG)
549 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG)
550 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG)
551
552 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG, COUNT_FLAG);
553 JVMCIObjectArray vmFlags = JVMCIENV->new_VMFlag_array(len, JVMCI_CHECK_NULL);
554 int i = 0;
555 JVMCIObject value;
556 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INT_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG)
557
558 JVMCIObjectArray vmIntrinsics = CompilerToVM::initialize_intrinsics(JVMCI_CHECK_NULL);
559
560 JVMCIObjectArray data = JVMCIENV->new_Object_array(5, JVMCI_CHECK_NULL);
561 JVMCIENV->put_object_at(data, 0, vmFields);
562 JVMCIENV->put_object_at(data, 1, vmConstants);
563 JVMCIENV->put_object_at(data, 2, vmAddresses);
564 JVMCIENV->put_object_at(data, 3, vmFlags);
565 JVMCIENV->put_object_at(data, 4, vmIntrinsics);
566
567 return JVMCIENV->get_jobjectArray(data);
568 }