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