1 /*
2 * Copyright (c) 2011, 2024, 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 // no precompiled headers
25 #ifdef COMPILER1
26 #include "c1/c1_Compiler.hpp"
27 #endif
28 #include "ci/ciUtilities.hpp"
29 #include "compiler/compiler_globals.hpp"
30 #include "compiler/oopMap.hpp"
31 #include "gc/shared/barrierSet.hpp"
32 #include "gc/shared/barrierSetAssembler.hpp"
33 #include "gc/shared/barrierSetNMethod.hpp"
34 #include "gc/shared/cardTable.hpp"
35 #include "gc/shared/collectedHeap.hpp"
36 #include "gc/shared/gc_globals.hpp"
37 #include "gc/shared/tlab_globals.hpp"
38 #if INCLUDE_ZGC
39 #include "gc/z/zBarrierSetRuntime.hpp"
40 #include "gc/z/zThreadLocalData.hpp"
41 #endif
42 #include "jvmci/jvmciCompilerToVM.hpp"
43 #include "jvmci/jvmciEnv.hpp"
44 #include "jvmci/vmStructs_jvmci.hpp"
45 #include "memory/universe.hpp"
46 #include "oops/compressedOops.hpp"
47 #include "oops/klass.inline.hpp"
48 #include "prims/jvmtiExport.hpp"
49 #ifdef COMPILER2
50 #include "opto/c2compiler.hpp"
51 #endif
52 #include "runtime/flags/jvmFlag.hpp"
53 #include "runtime/sharedRuntime.hpp"
54 #include "runtime/stubRoutines.hpp"
55 #include "utilities/resourceHash.hpp"
56
57 int CompilerToVM::Data::oopDesc_klass_offset_in_bytes;
58 int CompilerToVM::Data::arrayOopDesc_length_offset_in_bytes;
59
60 int CompilerToVM::Data::Klass_vtable_start_offset;
61 int CompilerToVM::Data::Klass_vtable_length_offset;
62
63 int CompilerToVM::Data::Method_extra_stack_entries;
64
65 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
66 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
67 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
68 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack_with_exception_in_tls;
69 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
70 address CompilerToVM::Data::SharedRuntime_polling_page_return_handler;
71 address CompilerToVM::Data::SharedRuntime_throw_delayed_StackOverflowError_entry;
72
73 address CompilerToVM::Data::nmethod_entry_barrier;
74 int CompilerToVM::Data::thread_disarmed_guard_value_offset;
75 int CompilerToVM::Data::thread_address_bad_mask_offset;
76
77 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_oop_field_preloaded;
78 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_weak_oop_field_preloaded;
79 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_phantom_oop_field_preloaded;
80 address CompilerToVM::Data::ZBarrierSetRuntime_weak_load_barrier_on_oop_field_preloaded;
81 address CompilerToVM::Data::ZBarrierSetRuntime_weak_load_barrier_on_weak_oop_field_preloaded;
82 address CompilerToVM::Data::ZBarrierSetRuntime_weak_load_barrier_on_phantom_oop_field_preloaded;
83 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_oop_array;
84 address CompilerToVM::Data::ZBarrierSetRuntime_clone;
85
86 address CompilerToVM::Data::ZPointerVectorLoadBadMask_address;
87 address CompilerToVM::Data::ZPointerVectorStoreBadMask_address;
88 address CompilerToVM::Data::ZPointerVectorStoreGoodMask_address;
89
90 bool CompilerToVM::Data::continuations_enabled;
91
92 #ifdef AARCH64
93 int CompilerToVM::Data::BarrierSetAssembler_nmethod_patching_type;
94 address CompilerToVM::Data::BarrierSetAssembler_patching_epoch_addr;
95 #endif
96
97 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
98
99 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
100 int CompilerToVM::Data::Universe_base_vtable_size;
101 address CompilerToVM::Data::Universe_narrow_oop_base;
102 int CompilerToVM::Data::Universe_narrow_oop_shift;
103 address CompilerToVM::Data::Universe_narrow_klass_base;
104 int CompilerToVM::Data::Universe_narrow_klass_shift;
105 void* CompilerToVM::Data::Universe_non_oop_bits;
106 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
107 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
108
109 bool CompilerToVM::Data::_supports_inline_contig_alloc;
110 HeapWord** CompilerToVM::Data::_heap_end_addr;
111 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
112 int CompilerToVM::Data::_max_oop_map_stack_offset;
113 int CompilerToVM::Data::_fields_annotations_base_offset;
114
115 CardTable::CardValue* CompilerToVM::Data::cardtable_start_address;
116 int CompilerToVM::Data::cardtable_shift;
117
118 #ifdef X86
119 int CompilerToVM::Data::L1_line_size;
120 #endif
121
122 size_t CompilerToVM::Data::vm_page_size;
123
124 int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry);
125 int CompilerToVM::Data::sizeof_ExceptionTableElement = sizeof(ExceptionTableElement);
126 int CompilerToVM::Data::sizeof_LocalVariableTableElement = sizeof(LocalVariableTableElement);
127 int CompilerToVM::Data::sizeof_ConstantPool = sizeof(ConstantPool);
128 int CompilerToVM::Data::sizeof_narrowKlass = sizeof(narrowKlass);
129 int CompilerToVM::Data::sizeof_arrayOopDesc = sizeof(arrayOopDesc);
130 int CompilerToVM::Data::sizeof_BasicLock = sizeof(BasicLock);
131 #if INCLUDE_ZGC
132 int CompilerToVM::Data::sizeof_ZStoreBarrierEntry = sizeof(ZStoreBarrierEntry);
133 #endif
134
135 address CompilerToVM::Data::dsin;
136 address CompilerToVM::Data::dcos;
137 address CompilerToVM::Data::dtan;
138 address CompilerToVM::Data::dtanh;
139 address CompilerToVM::Data::dexp;
140 address CompilerToVM::Data::dlog;
141 address CompilerToVM::Data::dlog10;
142 address CompilerToVM::Data::dpow;
143
144 address CompilerToVM::Data::symbol_init;
145 address CompilerToVM::Data::symbol_clinit;
146
147 int CompilerToVM::Data::data_section_item_alignment;
148
149 JVMTI_ONLY( int* CompilerToVM::Data::_should_notify_object_alloc; )
150
151 void CompilerToVM::Data::initialize(JVMCI_TRAPS) {
152 oopDesc_klass_offset_in_bytes = 1; //oopDesc::klass_offset_in_bytes();
153 arrayOopDesc_length_offset_in_bytes = arrayOopDesc::length_offset_in_bytes();
154
155 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
156 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
157
158 Method_extra_stack_entries = Method::extra_stack_entries();
159
160 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
161 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
162 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
163 SharedRuntime_deopt_blob_unpack_with_exception_in_tls = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls();
164 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
165 SharedRuntime_polling_page_return_handler = SharedRuntime::polling_page_return_handler_blob()->entry_point();
166 SharedRuntime_throw_delayed_StackOverflowError_entry = SharedRuntime::throw_delayed_StackOverflowError_entry();
167
168 BarrierSetNMethod* bs_nm = BarrierSet::barrier_set()->barrier_set_nmethod();
169 if (bs_nm != nullptr) {
170 thread_disarmed_guard_value_offset = in_bytes(bs_nm->thread_disarmed_guard_value_offset());
171 nmethod_entry_barrier = StubRoutines::method_entry_barrier();
172 BarrierSetAssembler* bs_asm = BarrierSet::barrier_set()->barrier_set_assembler();
173 AARCH64_ONLY(BarrierSetAssembler_nmethod_patching_type = (int) bs_asm->nmethod_patching_type());
174 AARCH64_ONLY(BarrierSetAssembler_patching_epoch_addr = bs_asm->patching_epoch_addr());
175 }
176
177 #if INCLUDE_ZGC
178 if (UseZGC) {
179 ZPointerVectorLoadBadMask_address = (address) &ZPointerVectorLoadBadMask;
180 ZPointerVectorStoreBadMask_address = (address) &ZPointerVectorStoreBadMask;
181 ZPointerVectorStoreGoodMask_address = (address) &ZPointerVectorStoreGoodMask;
182 }
183 #endif
184
185 continuations_enabled = Continuations::enabled();
186
187 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
188
189 Universe_collectedHeap = Universe::heap();
190 Universe_base_vtable_size = Universe::base_vtable_size();
191 if (UseCompressedOops) {
192 Universe_narrow_oop_base = CompressedOops::base();
193 Universe_narrow_oop_shift = CompressedOops::shift();
194 } else {
195 Universe_narrow_oop_base = nullptr;
196 Universe_narrow_oop_shift = 0;
197 }
198 if (UseCompressedClassPointers) {
199 Universe_narrow_klass_base = CompressedKlassPointers::base();
200 Universe_narrow_klass_shift = CompressedKlassPointers::shift();
201 } else {
202 Universe_narrow_klass_base = nullptr;
203 Universe_narrow_klass_shift = 0;
204 }
205 Universe_non_oop_bits = Universe::non_oop_word();
206 Universe_verify_oop_mask = Universe::verify_oop_mask();
207 Universe_verify_oop_bits = Universe::verify_oop_bits();
208
209 _supports_inline_contig_alloc = false;
210 _heap_end_addr = (HeapWord**) -1;
211 _heap_top_addr = (HeapWord* volatile*) -1;
212
213 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
214 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
215 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
216 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
217
218 symbol_init = (address) vmSymbols::object_initializer_name();
219 symbol_clinit = (address) vmSymbols::class_initializer_name();
220
221 _fields_annotations_base_offset = Array<AnnotationArray*>::base_offset_in_bytes();
222
223 data_section_item_alignment = relocInfo::addr_unit();
224
225 JVMTI_ONLY( _should_notify_object_alloc = &JvmtiExport::_should_notify_object_alloc; )
226
227 BarrierSet* bs = BarrierSet::barrier_set();
228 if (bs->is_a(BarrierSet::CardTableBarrierSet)) {
229 CardTable::CardValue* base = ci_card_table_address();
230 assert(base != nullptr, "unexpected byte_map_base");
231 cardtable_start_address = base;
232 cardtable_shift = CardTable::card_shift();
233 } else {
234 // No card mark barriers
235 cardtable_start_address = nullptr;
236 cardtable_shift = 0;
237 }
238
239 #ifdef X86
240 L1_line_size = VM_Version::L1_line_size();
241 #endif
242
243 vm_page_size = os::vm_page_size();
244
245 #define SET_TRIGFUNC(name) \
246 if (StubRoutines::name() != nullptr) { \
247 name = StubRoutines::name(); \
248 } else { \
249 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
250 }
251
252 SET_TRIGFUNC(dsin);
253 SET_TRIGFUNC(dcos);
254 SET_TRIGFUNC(dtan);
255 SET_TRIGFUNC(dexp);
256 SET_TRIGFUNC(dlog10);
257 SET_TRIGFUNC(dlog);
258 SET_TRIGFUNC(dpow);
259
260 #undef SET_TRIGFUNC
261
262 #define SET_TRIGFUNC_OR_NULL(name) \
263 if (StubRoutines::name() != nullptr) { \
264 name = StubRoutines::name(); \
265 } else { \
266 name = nullptr; \
267 }
268
269 SET_TRIGFUNC_OR_NULL(dtanh);
270
271 #undef SET_TRIGFUNC_OR_NULL
272
273
274 }
275
276 static jboolean is_c1_supported(vmIntrinsics::ID id){
277 jboolean supported = false;
278 #ifdef COMPILER1
279 supported = (jboolean) Compiler::is_intrinsic_supported(id);
280 #endif
281 return supported;
282 }
283
284 static jboolean is_c2_supported(vmIntrinsics::ID id){
285 jboolean supported = false;
286 #ifdef COMPILER2
287 supported = (jboolean) C2Compiler::is_intrinsic_supported(id);
288 #endif
289 return supported;
290 }
291
292 JVMCIObjectArray CompilerToVM::initialize_intrinsics(JVMCI_TRAPS) {
293 int len = vmIntrinsics::number_of_intrinsics() - 1; // Exclude vmIntrinsics::_none, which is 0
294 JVMCIObjectArray vmIntrinsics = JVMCIENV->new_VMIntrinsicMethod_array(len, JVMCI_CHECK_NULL);
295 int index = 0;
296 vmSymbolID kls_sid = vmSymbolID::NO_SID;
297 JVMCIObject kls_str;
298 #define VM_SYMBOL_TO_STRING(s) \
299 JVMCIENV->create_string(vmSymbols::symbol_at(VM_SYMBOL_ENUM_NAME(s)), JVMCI_CHECK_NULL)
300 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
301 vmSymbolID sid = VM_SYMBOL_ENUM_NAME(kls); \
302 if (kls_sid != sid) { \
303 kls_str = VM_SYMBOL_TO_STRING(kls); \
304 kls_sid = sid; \
305 } \
306 JVMCIObject name_str = VM_SYMBOL_TO_STRING(name); \
307 JVMCIObject sig_str = VM_SYMBOL_TO_STRING(sig); \
308 JVMCIObject vmIntrinsicMethod = JVMCIENV->new_VMIntrinsicMethod(kls_str, name_str, sig_str, (jint) vmIntrinsics::id, \
309 (jboolean) vmIntrinsics::is_intrinsic_available(vmIntrinsics::id), \
310 is_c1_supported(vmIntrinsics::id), \
311 is_c2_supported(vmIntrinsics::id), JVMCI_CHECK_NULL); \
312 JVMCIENV->put_object_at(vmIntrinsics, index++, vmIntrinsicMethod); \
313 }
314
315 // VM_INTRINSICS_DO does *not* iterate over vmIntrinsics::_none
316 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
317 #undef VM_SYMBOL_TO_STRING
318 #undef VM_INTRINSIC_INFO
319
320 assert(index == len, "must be");
321 return vmIntrinsics;
322 }
323
324 #define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_int_flag, do_intx_flag, do_uintx_flag) \
325 do_int_flag(AllocateInstancePrefetchLines) \
326 do_int_flag(AllocatePrefetchDistance) \
327 do_intx_flag(AllocatePrefetchInstr) \
328 do_int_flag(AllocatePrefetchLines) \
329 do_int_flag(AllocatePrefetchStepSize) \
330 do_int_flag(AllocatePrefetchStyle) \
331 do_intx_flag(BciProfileWidth) \
332 do_bool_flag(BootstrapJVMCI) \
333 do_bool_flag(CITime) \
334 do_bool_flag(CITimeEach) \
335 do_uintx_flag(CodeCacheSegmentSize) \
336 do_intx_flag(CodeEntryAlignment) \
337 do_int_flag(ContendedPaddingWidth) \
338 do_bool_flag(DontCompileHugeMethods) \
339 do_bool_flag(EagerJVMCI) \
340 do_bool_flag(EnableContended) \
341 do_bool_flag(FoldStableValues) \
342 do_bool_flag(ForceUnreachable) \
343 do_intx_flag(HugeMethodLimit) \
344 do_bool_flag(Inline) \
345 do_intx_flag(JVMCICounterSize) \
346 do_bool_flag(JVMCIPrintProperties) \
347 do_int_flag(ObjectAlignmentInBytes) \
348 do_bool_flag(PrintInlining) \
349 do_bool_flag(ReduceInitialCardMarks) \
350 do_bool_flag(RestrictContended) \
351 do_intx_flag(StackReservedPages) \
352 do_intx_flag(StackShadowPages) \
353 do_uintx_flag(TLABWasteIncrement) \
354 do_intx_flag(TypeProfileWidth) \
355 do_bool_flag(UseAESIntrinsics) \
356 X86_ONLY(do_int_flag(UseAVX)) \
357 do_bool_flag(UseCRC32Intrinsics) \
358 do_bool_flag(UseAdler32Intrinsics) \
359 do_bool_flag(UseCompressedClassPointers) \
360 do_bool_flag(UseCompressedOops) \
361 X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \
362 X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \
363 do_bool_flag(UseG1GC) \
364 do_bool_flag(UseParallelGC) \
365 do_bool_flag(UseSerialGC) \
366 do_bool_flag(UseZGC) \
367 do_bool_flag(UseEpsilonGC) \
368 COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \
369 COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \
370 COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \
371 COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \
372 do_bool_flag(UsePopCountInstruction) \
373 do_bool_flag(UseSHA1Intrinsics) \
374 do_bool_flag(UseSHA256Intrinsics) \
375 do_bool_flag(UseSHA512Intrinsics) \
376 X86_ONLY(do_int_flag(UseSSE)) \
377 COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \
378 do_bool_flag(UseTLAB) \
379 do_bool_flag(VerifyOops) \
380
381 #define BOXED_BOOLEAN(name, value) name = ((jboolean)(value) ? boxedTrue : boxedFalse)
382 #define BOXED_DOUBLE(name, value) do { jvalue p; p.d = (jdouble) (value); name = JVMCIENV->create_box(T_DOUBLE, &p, JVMCI_CHECK_NULL);} while(0)
383 #define BOXED_LONG(name, value) \
384 do { \
385 jvalue p; p.j = (jlong) (value); \
386 JVMCIObject* e = longs.get(p.j); \
387 if (e == nullptr) { \
388 JVMCIObject h = JVMCIENV->create_box(T_LONG, &p, JVMCI_CHECK_NULL); \
389 longs.put(p.j, h); \
390 name = h; \
391 } else { \
392 name = (*e); \
393 } \
394 } while (0)
395
396 #define CSTRING_TO_JSTRING(name, value) \
397 JVMCIObject name; \
398 do { \
399 if (value != nullptr) { \
400 JVMCIObject* e = strings.get(value); \
401 if (e == nullptr) { \
402 JVMCIObject h = JVMCIENV->create_string(value, JVMCI_CHECK_NULL); \
403 strings.put(value, h); \
404 name = h; \
405 } else { \
406 name = (*e); \
407 } \
408 } \
409 } while (0)
410
411 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS) {
412 JavaThread* THREAD = JavaThread::current(); // For exception macros.
413 ResourceHashtable<jlong, JVMCIObject> longs;
414 ResourceHashtable<const char*, JVMCIObject,
415 256, AnyObj::RESOURCE_AREA, mtInternal,
416 &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings;
417
418 jvalue prim;
419 prim.z = true; JVMCIObject boxedTrue = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
420 prim.z = false; JVMCIObject boxedFalse = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
421
422 CompilerToVM::Data::initialize(JVMCI_CHECK_NULL);
423
424 JVMCIENV->VMField_initialize(JVMCI_CHECK_NULL);
425 JVMCIENV->VMFlag_initialize(JVMCI_CHECK_NULL);
426 JVMCIENV->VMIntrinsicMethod_initialize(JVMCI_CHECK_NULL);
427
428 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
429 JVMCIObjectArray vmFields = JVMCIENV->new_VMField_array(len, JVMCI_CHECK_NULL);
430 for (int i = 0; i < len ; i++) {
431 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
432 const size_t name_buf_size = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 + 1 /* "::" */;
433 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_size);
434 os::snprintf_checked(name_buf, name_buf_size, "%s::%s", vmField.typeName, vmField.fieldName);
435 CSTRING_TO_JSTRING(name, name_buf);
436 CSTRING_TO_JSTRING(type, vmField.typeString);
437 JVMCIObject box;
438 if (vmField.isStatic && vmField.typeString != nullptr) {
439 if (strcmp(vmField.typeString, "bool") == 0) {
440 BOXED_BOOLEAN(box, *(jbyte*) vmField.address);
441 assert(box.is_non_null(), "must have a box");
442 } else if (strcmp(vmField.typeString, "int") == 0 ||
443 strcmp(vmField.typeString, "jint") == 0 ||
444 strcmp(vmField.typeString, "uint") == 0 ||
445 strcmp(vmField.typeString, "uint32_t") == 0) {
446 BOXED_LONG(box, *(jint*) vmField.address);
447 assert(box.is_non_null(), "must have a box");
448 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
449 BOXED_LONG(box, *(uint64_t*) vmField.address);
450 assert(box.is_non_null(), "must have a box");
451 } else if (strcmp(vmField.typeString, "address") == 0 ||
452 strcmp(vmField.typeString, "intptr_t") == 0 ||
453 strcmp(vmField.typeString, "uintptr_t") == 0 ||
454 strcmp(vmField.typeString, "OopHandle") == 0 ||
455 strcmp(vmField.typeString, "size_t") == 0 ||
456 // All foo* types are addresses.
457 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
458 BOXED_LONG(box, *((address*) vmField.address));
459 assert(box.is_non_null(), "must have a box");
460 } else {
461 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
462 }
463 }
464 JVMCIObject vmFieldObj = JVMCIENV->new_VMField(name, type, vmField.offset, (jlong) vmField.address, box, JVMCI_CHECK_NULL);
465 JVMCIENV->put_object_at(vmFields, i, vmFieldObj);
466 }
467
468 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
469 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
470 len = ints_len + longs_len;
471 JVMCIObjectArray vmConstants = JVMCIENV->new_Object_array(len * 2, JVMCI_CHECK_NULL);
472 int insert = 0;
473 for (int i = 0; i < ints_len ; i++) {
474 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
475 CSTRING_TO_JSTRING(name, c.name);
476 JVMCIObject value;
477 BOXED_LONG(value, c.value);
478 JVMCIENV->put_object_at(vmConstants, insert++, name);
479 JVMCIENV->put_object_at(vmConstants, insert++, value);
480 }
481 for (int i = 0; i < longs_len ; i++) {
482 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
483 CSTRING_TO_JSTRING(name, c.name);
484 JVMCIObject value;
485 BOXED_LONG(value, c.value);
486 JVMCIENV->put_object_at(vmConstants, insert++, name);
487 JVMCIENV->put_object_at(vmConstants, insert++, value);
488 }
489 assert(insert == len * 2, "must be");
490
491 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
492 JVMCIObjectArray vmAddresses = JVMCIENV->new_Object_array(len * 2, JVMCI_CHECK_NULL);
493 for (int i = 0; i < len ; i++) {
494 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
495 CSTRING_TO_JSTRING(name, a.name);
496 JVMCIObject value;
497 BOXED_LONG(value, a.value);
498 JVMCIENV->put_object_at(vmAddresses, i * 2, name);
499 JVMCIENV->put_object_at(vmAddresses, i * 2 + 1, value);
500 }
501
502 #define COUNT_FLAG(ignore) +1
503 #ifdef ASSERT
504 #define CHECK_FLAG(type, name) { \
505 const JVMFlag* flag = JVMFlag::find_declared_flag(#name); \
506 assert(flag != nullptr, "No such flag named " #name); \
507 assert(flag->is_##type(), "JVMFlag " #name " is not of type " #type); \
508 }
509 #else
510 #define CHECK_FLAG(type, name)
511 #endif
512
513 #define ADD_FLAG(type, name, convert) { \
514 CHECK_FLAG(type, name) \
515 CSTRING_TO_JSTRING(fname, #name); \
516 CSTRING_TO_JSTRING(ftype, #type); \
517 convert(value, name); \
518 JVMCIObject vmFlagObj = JVMCIENV->new_VMFlag(fname, ftype, value, JVMCI_CHECK_NULL); \
519 JVMCIENV->put_object_at(vmFlags, i++, vmFlagObj); \
520 }
521 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN)
522 #define ADD_INT_FLAG(name) ADD_FLAG(int, name, BOXED_LONG)
523 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG)
524 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG)
525
526 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG, COUNT_FLAG);
527 JVMCIObjectArray vmFlags = JVMCIENV->new_VMFlag_array(len, JVMCI_CHECK_NULL);
528 int i = 0;
529 JVMCIObject value;
530 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INT_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG)
531
532 JVMCIObjectArray vmIntrinsics = CompilerToVM::initialize_intrinsics(JVMCI_CHECK_NULL);
533
534 JVMCIObjectArray data = JVMCIENV->new_Object_array(5, JVMCI_CHECK_NULL);
535 JVMCIENV->put_object_at(data, 0, vmFields);
536 JVMCIENV->put_object_at(data, 1, vmConstants);
537 JVMCIENV->put_object_at(data, 2, vmAddresses);
538 JVMCIENV->put_object_at(data, 3, vmFlags);
539 JVMCIENV->put_object_at(data, 4, vmIntrinsics);
540
541 return JVMCIENV->get_jobjectArray(data);
542 }