1 /*
2 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include "precompiled.hpp"
25 #include "classfile/javaClasses.inline.hpp"
26 #include "code/codeCache.hpp"
27 #include "code/scopeDesc.hpp"
28 #include "interpreter/linkResolver.hpp"
29 #include "memory/oopFactory.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "oops/generateOopMap.hpp"
32 #include "oops/fieldStreams.hpp"
33 #include "oops/oop.inline.hpp"
34 #include "oops/objArrayOop.inline.hpp"
35 #include "runtime/fieldDescriptor.hpp"
36 #include "runtime/javaCalls.hpp"
37 #include "jvmci/jvmciRuntime.hpp"
38 #include "compiler/abstractCompiler.hpp"
39 #include "compiler/compileBroker.hpp"
40 #include "compiler/compilerOracle.hpp"
41 #include "compiler/disassembler.hpp"
42 #include "compiler/oopMap.hpp"
43 #include "jvmci/jvmciCompilerToVM.hpp"
44 #include "jvmci/jvmciCompiler.hpp"
45 #include "jvmci/jvmciEnv.hpp"
46 #include "jvmci/jvmciJavaClasses.hpp"
47 #include "jvmci/jvmciCodeInstaller.hpp"
48 #include "jvmci/vmStructs_jvmci.hpp"
49 #include "gc/g1/heapRegion.hpp"
50 #include "runtime/javaCalls.hpp"
51 #include "runtime/deoptimization.hpp"
52 #include "runtime/timerTrace.hpp"
53 #include "runtime/vframe.hpp"
54 #include "runtime/vframe_hp.hpp"
55 #include "runtime/vmStructs.hpp"
56
57
58 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
59 #define C2V_VMENTRY(result_type, name, signature) \
60 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
61 TRACE_jvmci_1("CompilerToVM::" #name); \
62 TRACE_CALL(result_type, jvmci_ ## name signature) \
63 JVMCI_VM_ENTRY_MARK; \
64
65 #define C2V_END }
66
67 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
68 if (method() != NULL) {
69 JavaValue result(T_OBJECT);
70 JavaCallArguments args;
71 args.push_long((jlong) (address) method());
72 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
73
74 return (oop)result.get_jobject();
75 }
76 return NULL;
77 }
78
79 oop CompilerToVM::get_jvmci_type(KlassHandle klass, TRAPS) {
80 if (klass() != NULL) {
81 JavaValue result(T_OBJECT);
82 JavaCallArguments args;
83 args.push_oop(klass->java_mirror());
84 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
85
86 return (oop)result.get_jobject();
87 }
88 return NULL;
89 }
90
91 int CompilerToVM::Data::Klass_vtable_start_offset;
92 int CompilerToVM::Data::Klass_vtable_length_offset;
93
94 int CompilerToVM::Data::Method_extra_stack_entries;
95
96 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
97 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
98 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
99 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
100
101 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
102
103 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
104 int CompilerToVM::Data::Universe_base_vtable_size;
105 address CompilerToVM::Data::Universe_narrow_oop_base;
106 int CompilerToVM::Data::Universe_narrow_oop_shift;
107 address CompilerToVM::Data::Universe_narrow_klass_base;
108 int CompilerToVM::Data::Universe_narrow_klass_shift;
109 void* CompilerToVM::Data::Universe_non_oop_bits;
110 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
111 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
112
113 bool CompilerToVM::Data::_supports_inline_contig_alloc;
114 HeapWord** CompilerToVM::Data::_heap_end_addr;
115 HeapWord** CompilerToVM::Data::_heap_top_addr;
116 int CompilerToVM::Data::_max_oop_map_stack_offset;
117
118 jbyte* CompilerToVM::Data::cardtable_start_address;
119 int CompilerToVM::Data::cardtable_shift;
120
121 int CompilerToVM::Data::vm_page_size;
122
123 address CompilerToVM::Data::dsin;
124 address CompilerToVM::Data::dcos;
125 address CompilerToVM::Data::dtan;
126 address CompilerToVM::Data::dexp;
127 address CompilerToVM::Data::dlog;
128 address CompilerToVM::Data::dlog10;
129 address CompilerToVM::Data::dpow;
130
131 void CompilerToVM::Data::initialize() {
132 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
133 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
134
135 Method_extra_stack_entries = Method::extra_stack_entries();
136
137 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
138 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
139 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
140 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
141
142 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
143
144 Universe_collectedHeap = Universe::heap();
145 Universe_base_vtable_size = Universe::base_vtable_size();
146 Universe_narrow_oop_base = Universe::narrow_oop_base();
147 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
148 Universe_narrow_klass_base = Universe::narrow_klass_base();
149 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
150 Universe_non_oop_bits = Universe::non_oop_word();
151 Universe_verify_oop_mask = Universe::verify_oop_mask();
152 Universe_verify_oop_bits = Universe::verify_oop_bits();
153
154 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
155 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
156 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord**) -1;
157
158 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
159 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
160 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
161 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
162
163 BarrierSet* bs = Universe::heap()->barrier_set();
164 switch (bs->kind()) {
165 case BarrierSet::CardTableModRef:
166 case BarrierSet::CardTableForRS:
167 case BarrierSet::CardTableExtension:
168 case BarrierSet::G1SATBCT:
169 case BarrierSet::G1SATBCTLogging: {
170 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
171 assert(base != 0, "unexpected byte_map_base");
172 cardtable_start_address = base;
173 cardtable_shift = CardTableModRefBS::card_shift;
174 break;
175 }
176 case BarrierSet::ModRef:
177 cardtable_start_address = 0;
178 cardtable_shift = 0;
179 // No post barriers
180 break;
181 default:
182 ShouldNotReachHere();
183 break;
184 }
185
186 vm_page_size = os::vm_page_size();
187
188 #define SET_TRIGFUNC(name) \
189 if (StubRoutines::name() != NULL) { \
190 name = StubRoutines::name(); \
191 } else { \
192 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
193 }
194
195 SET_TRIGFUNC(dsin);
196 SET_TRIGFUNC(dcos);
197 SET_TRIGFUNC(dtan);
198 SET_TRIGFUNC(dexp);
199 SET_TRIGFUNC(dlog10);
200 SET_TRIGFUNC(dlog);
201 SET_TRIGFUNC(dpow);
202
203 #undef SET_TRIGFUNC
204 }
205
206 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
207 #define BOXED_LONG(name, value) oop name; do { jvalue p; p.j = (jlong) (value); name = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL);} while(0)
208 #define BOXED_DOUBLE(name, value) oop name; do { jvalue p; p.d = (jdouble) (value); name = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL);} while(0)
209 ResourceMark rm;
210 HandleMark hm;
211
212 CompilerToVM::Data::initialize();
213
214 VMField::klass()->initialize(thread);
215 VMFlag::klass()->initialize(thread);
216
217 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
218 objArrayHandle vmFields = oopFactory::new_objArray(VMField::klass(), len, CHECK_NULL);
219 for (int i = 0; i < len ; i++) {
220 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
221 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL);
222 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */;
223 char* name_buf = NEW_RESOURCE_ARRAY(char, name_buf_len + 1);
224 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName);
225 Handle name = java_lang_String::create_from_str(name_buf, CHECK_NULL);
226 Handle type = java_lang_String::create_from_str(vmField.typeString, CHECK_NULL);
227 VMField::set_name(vmFieldObj, name());
228 VMField::set_type(vmFieldObj, type());
229 VMField::set_offset(vmFieldObj, vmField.offset);
230 VMField::set_address(vmFieldObj, (jlong) vmField.address);
231 if (vmField.isStatic) {
232 if (strcmp(vmField.typeString, "bool") == 0) {
233 BOXED_LONG(value, *(jbyte*) vmField.address);
234 VMField::set_value(vmFieldObj, value);
235 } else if (strcmp(vmField.typeString, "int") == 0 ||
236 strcmp(vmField.typeString, "jint") == 0) {
237 BOXED_LONG(value, *(jint*) vmField.address);
238 VMField::set_value(vmFieldObj, value);
239 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
240 BOXED_LONG(value, *(uint64_t*) vmField.address);
241 VMField::set_value(vmFieldObj, value);
242 } else if (strcmp(vmField.typeString, "address") == 0 ||
243 strcmp(vmField.typeString, "intptr_t") == 0 ||
244 strcmp(vmField.typeString, "uintptr_t") == 0 ||
245 strcmp(vmField.typeString, "size_t") == 0 ||
246 // All foo* types are addresses.
247 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
248 BOXED_LONG(value, *((address*) vmField.address));
249 VMField::set_value(vmFieldObj, value);
250 } else {
251 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
252 }
253 }
254 vmFields->obj_at_put(i, vmFieldObj());
255 }
256
257 len = JVMCIVMStructs::localHotSpotVMTypes_count();
258 objArrayHandle vmTypes = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
259 for (int i = 0; i < len ; i++) {
260 VMTypeEntry vmType = JVMCIVMStructs::localHotSpotVMTypes[i];
261 Handle name = java_lang_String::create_from_str(vmType.typeName, CHECK_NULL);
262 BOXED_LONG(size, vmType.size);
263 vmTypes->obj_at_put(i * 2, name());
264 vmTypes->obj_at_put(i * 2 + 1, size);
265 }
266
267 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
268 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
269 len = ints_len + longs_len;
270 objArrayHandle vmConstants = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
271 int insert = 0;
272 for (int i = 0; i < ints_len ; i++) {
273 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
274 Handle name = java_lang_String::create_from_str(c.name, CHECK_NULL);
275 BOXED_LONG(value, c.value);
276 vmConstants->obj_at_put(insert++, name());
277 vmConstants->obj_at_put(insert++, value);
278 }
279 for (int i = 0; i < longs_len ; i++) {
280 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
281 Handle name = java_lang_String::create_from_str(c.name, CHECK_NULL);
282 BOXED_LONG(value, c.value);
283 vmConstants->obj_at_put(insert++, name());
284 vmConstants->obj_at_put(insert++, value);
285 }
286 assert(insert == len * 2, "must be");
287
288 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
289 objArrayHandle vmAddresses = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
290 for (int i = 0; i < len ; i++) {
291 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
292 Handle name = java_lang_String::create_from_str(a.name, CHECK_NULL);
293 BOXED_LONG(value, a.value);
294 vmAddresses->obj_at_put(i * 2, name());
295 vmAddresses->obj_at_put(i * 2 + 1, value);
296 }
297
298 // The last entry is the null entry.
299 len = (int) Flag::numFlags - 1;
300 objArrayHandle vmFlags = oopFactory::new_objArray(VMFlag::klass(), len, CHECK_NULL);
301 for (int i = 0; i < len; i++) {
302 Flag* flag = &Flag::flags[i];
303 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL);
304 Handle name = java_lang_String::create_from_str(flag->_name, CHECK_NULL);
305 Handle type = java_lang_String::create_from_str(flag->_type, CHECK_NULL);
306 VMFlag::set_name(vmFlagObj, name());
307 VMFlag::set_type(vmFlagObj, type());
308 if (flag->is_bool()) {
309 BOXED_LONG(value, flag->get_bool());
310 VMFlag::set_value(vmFlagObj, value);
311 } else if (flag->is_ccstr()) {
312 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
313 VMFlag::set_value(vmFlagObj, value());
314 } else if (flag->is_int()) {
315 BOXED_LONG(value, flag->get_int());
316 VMFlag::set_value(vmFlagObj, value);
317 } else if (flag->is_intx()) {
318 BOXED_LONG(value, flag->get_intx());
319 VMFlag::set_value(vmFlagObj, value);
320 } else if (flag->is_uint()) {
321 BOXED_LONG(value, flag->get_uint());
322 VMFlag::set_value(vmFlagObj, value);
323 } else if (flag->is_uint64_t()) {
324 BOXED_LONG(value, flag->get_uint64_t());
325 VMFlag::set_value(vmFlagObj, value);
326 } else if (flag->is_uintx()) {
327 BOXED_LONG(value, flag->get_uintx());
328 VMFlag::set_value(vmFlagObj, value);
329 } else if (flag->is_double()) {
330 BOXED_DOUBLE(value, flag->get_double());
331 VMFlag::set_value(vmFlagObj, value);
332 } else if (flag->is_size_t()) {
333 BOXED_LONG(value, flag->get_size_t());
334 VMFlag::set_value(vmFlagObj, value);
335 } else {
336 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
337 }
338 vmFlags->obj_at_put(i, vmFlagObj());
339 }
340
341 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 5, CHECK_NULL);
342 data->obj_at_put(0, vmFields());
343 data->obj_at_put(1, vmTypes());
344 data->obj_at_put(2, vmConstants());
345 data->obj_at_put(3, vmAddresses());
346 data->obj_at_put(4, vmFlags());
347
348 return (jobjectArray) JNIHandles::make_local(THREAD, data);
349 #undef BOXED_LONG
350 #undef BOXED_DOUBLE
351 C2V_END
352
353 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
354 methodHandle method = CompilerToVM::asMethod(jvmci_method);
355 ResourceMark rm;
356
357 int code_size = method->code_size();
358 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
359
360 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
361 // iterate over all bytecodes and replace non-Java bytecodes
362
363 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
364 Bytecodes::Code code = s.code();
365 Bytecodes::Code raw_code = s.raw_code();
366 int bci = s.bci();
367 int len = s.instruction_size();
368
369 // Restore original byte code.
370 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
371 if (len > 1) {
372 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
373 }
374
375 if (len > 1) {
376 // Restore the big-endian constant pool indexes.
377 // Cf. Rewriter::scan_method
378 switch (code) {
379 case Bytecodes::_getstatic:
380 case Bytecodes::_putstatic:
381 case Bytecodes::_getfield:
382 case Bytecodes::_putfield:
383 case Bytecodes::_invokevirtual:
384 case Bytecodes::_invokespecial:
385 case Bytecodes::_invokestatic:
386 case Bytecodes::_invokeinterface:
387 case Bytecodes::_invokehandle: {
388 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
389 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
390 break;
391 }
392
393 case Bytecodes::_invokedynamic:
394 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
395 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
396 break;
397 }
398
399 // Not all ldc byte code are rewritten.
400 switch (raw_code) {
401 case Bytecodes::_fast_aldc: {
402 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
403 int cp_index = method->constants()->object_to_cp_index(cpc_index);
404 assert(cp_index < method->constants()->length(), "sanity check");
405 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
406 break;
407 }
408
409 case Bytecodes::_fast_aldc_w: {
410 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
411 int cp_index = method->constants()->object_to_cp_index(cpc_index);
412 assert(cp_index < method->constants()->length(), "sanity check");
413 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
414 break;
415 }
416 }
417 }
418 }
419
420 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
421 C2V_END
422
423 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
424 ResourceMark rm;
425 methodHandle method = CompilerToVM::asMethod(jvmci_method);
426 return method->exception_table_length();
427 C2V_END
428
429 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
430 ResourceMark rm;
431 methodHandle method = CompilerToVM::asMethod(jvmci_method);
432 if (method->exception_table_length() == 0) {
433 return 0L;
434 }
435 return (jlong) (address) method->exception_table_start();
436 C2V_END
437
438 C2V_VMENTRY(jobject, getResolvedJavaMethodAtSlot, (JNIEnv *, jobject, jclass holder_handle, jint slot))
439 oop java_class = JNIHandles::resolve(holder_handle);
440 Klass* holder = java_lang_Class::as_Klass(java_class);
441 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
442 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
443 return JNIHandles::make_local(THREAD, result);
444 }
445
446 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
447 methodHandle method;
448 oop base_object = JNIHandles::resolve(base);
449 if (base_object == NULL) {
450 method = *((Method**)(offset));
451 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) {
452 method = (Method*) (intptr_t) base_object->long_field(offset);
453 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
454 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
455 } else {
456 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
457 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
458 }
459 assert (method.is_null() || method->is_method(), "invalid read");
460 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
461 return JNIHandles::make_local(THREAD, result);
462 }
463
464 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject base, jlong offset))
465 constantPoolHandle cp;
466 oop base_object = JNIHandles::resolve(base);
467 jlong base_address = 0;
468 if (base_object != NULL) {
469 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
470 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
471 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
472 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
473 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
474 base_address = (jlong) CompilerToVM::asKlass(base_object);
475 } else {
476 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
477 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
478 }
479 }
480 cp = *((ConstantPool**) (intptr_t) (base_address + offset));
481 if (!cp.is_null()) {
482 JavaValue method_result(T_OBJECT);
483 JavaCallArguments args;
484 args.push_long((jlong) (address) cp());
485 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
486 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
487 }
488 return NULL;
489 }
490
491 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
492 KlassHandle klass;
493 oop base_object = JNIHandles::resolve(base);
494 jlong base_address = 0;
495 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
496 klass = base_object->klass();
497 } else if (!compressed) {
498 if (base_object != NULL) {
499 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
500 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
501 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
502 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
503 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
504 base_address = (jlong) CompilerToVM::asKlass(base_object);
505 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
506 base_address = (jlong) (address) base_object;
507 } else {
508 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
509 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
510 }
511 }
512 klass = *((Klass**) (intptr_t) (base_address + offset));
513 } else {
514 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
515 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
516 }
517 assert (klass.is_null() || klass->is_klass(), "invalid read");
518 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
519 return JNIHandles::make_local(THREAD, result);
520 }
521
522 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
523 ResourceMark rm;
524 methodHandle method = CompilerToVM::asMethod(jvmci_method);
525 KlassHandle holder = CompilerToVM::asKlass(jvmci_type);
526 if (holder->is_interface()) {
527 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
528 }
529
530 methodHandle ucm;
531 {
532 MutexLocker locker(Compile_lock);
533 ucm = Dependencies::find_unique_concrete_method(holder(), method());
534 }
535 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
536 return JNIHandles::make_local(THREAD, result);
537 C2V_END
538
539 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
540 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
541 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
542 return JNIHandles::make_local(THREAD, implementor);
543 C2V_END
544
545 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
546 methodHandle method = CompilerToVM::asMethod(jvmci_method);
547 return method->is_ignored_by_security_stack_walk();
548 C2V_END
549
550 C2V_VMENTRY(jboolean, canInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
551 methodHandle method = CompilerToVM::asMethod(jvmci_method);
552 // In hosted mode ignore the not_compilable flags since they are never set by
553 // the JVMCI compiler.
554 bool is_compilable = UseJVMCICompiler ? !method->is_not_compilable(CompLevel_full_optimization) : true;
555 return is_compilable && !CompilerOracle::should_not_inline(method) && !method->dont_inline();
556 C2V_END
557
558 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
559 methodHandle method = CompilerToVM::asMethod(jvmci_method);
560 return CompilerOracle::should_inline(method) || method->force_inline();
561 C2V_END
562
563 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
564 ResourceMark rm;
565 Handle name = JNIHandles::resolve(jname);
566 Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0);
567 if (java_lang_String::length(name()) <= 1) {
568 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
569 }
570
571 Klass* resolved_klass = NULL;
572 Handle class_loader;
573 Handle protection_domain;
574 if (JNIHandles::resolve(accessing_class) == NULL) {
575 THROW_0(vmSymbols::java_lang_NullPointerException());
576 }
577 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
578 class_loader = accessing_klass->class_loader();
579 protection_domain = accessing_klass->protection_domain();
580
581 if (resolve) {
582 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
583 } else {
584 if (class_name->byte_at(0) == 'L' &&
585 class_name->byte_at(class_name->utf8_length()-1) == ';') {
586 // This is a name from a signature. Strip off the trimmings.
587 // Call recursive to keep scope of strippedsym.
588 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
589 class_name->utf8_length()-2,
590 CHECK_0);
591 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
592 } else if (FieldType::is_array(class_name)) {
593 FieldArrayInfo fd;
594 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
595 // of this call
596 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
597 if (t == T_OBJECT) {
598 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
599 class_name->utf8_length()-2-fd.dimension(),
600 CHECK_0);
601 // naked oop "k" is OK here -- we assign back into it
602 resolved_klass = SystemDictionary::find(strippedsym,
603 class_loader,
604 protection_domain,
605 CHECK_0);
606 if (resolved_klass != NULL) {
607 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
608 }
609 } else {
610 resolved_klass = Universe::typeArrayKlassObj(t);
611 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
612 }
613 }
614 }
615 Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
616 return JNIHandles::make_local(THREAD, result());
617 C2V_END
618
619 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
620 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
621 oop result = cp->resolve_constant_at(index, CHECK_NULL);
622 return JNIHandles::make_local(THREAD, result);
623 C2V_END
624
625 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
626 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
627 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
628 return JNIHandles::make_local(THREAD, result);
629 C2V_END
630
631 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
632 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
633 return cp->name_and_type_ref_index_at(index);
634 C2V_END
635
636 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
637 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
638 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
639 return JNIHandles::make_local(THREAD, sym());
640 C2V_END
641
642 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
643 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
644 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
645 return JNIHandles::make_local(THREAD, sym());
646 C2V_END
647
648 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
649 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
650 return cp->klass_ref_index_at(index);
651 C2V_END
652
653 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
654 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
655 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
656 Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
657 return JNIHandles::make_local(THREAD, klass());
658 C2V_END
659
660 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
661 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
662 KlassHandle loading_klass(cp->pool_holder());
663 bool is_accessible = false;
664 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
665 Symbol* symbol = NULL;
666 if (klass.is_null()) {
667 symbol = cp->klass_name_at(index);
668 }
669 Handle result;
670 if (!klass.is_null()) {
671 result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
672 } else {
673 result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
674 }
675 return JNIHandles::make_local(THREAD, result());
676 C2V_END
677
678 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
679 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
680 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
681 return JNIHandles::make_local(THREAD, appendix_oop);
682 C2V_END
683
684 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
685 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
686 instanceKlassHandle pool_holder(cp->pool_holder());
687 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
688 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
689 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
690 return JNIHandles::make_local(THREAD, result);
691 C2V_END
692
693 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
694 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
695 return cp->remap_instruction_operand_from_cache(index);
696 C2V_END
697
698 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jlongArray info_handle))
699 ResourceMark rm;
700 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
701 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
702 fieldDescriptor fd;
703 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
704 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
705 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
706 assert(info != NULL && info->length() == 2, "must be");
707 info->long_at_put(0, (jlong) fd.access_flags().as_int());
708 info->long_at_put(1, (jlong) fd.offset());
709 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
710 return JNIHandles::make_local(THREAD, field_holder);
711 C2V_END
712
713 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
714 ResourceMark rm;
715 Klass* klass = CompilerToVM::asKlass(jvmci_type);
716 Method* method = CompilerToVM::asMethod(jvmci_method);
717 if (klass->is_interface()) {
718 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
719 }
720 if (!method->method_holder()->is_interface()) {
721 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Method %s is not held by an interface, this case should be handled in Java code", method->name_and_sig_as_C_string()));
722 }
723 if (!InstanceKlass::cast(klass)->is_linked()) {
724 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
725 }
726 return LinkResolver::vtable_index_of_interface_method(klass, method);
727 C2V_END
728
729 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
730 KlassHandle recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
731 KlassHandle caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
732 methodHandle method = CompilerToVM::asMethod(jvmci_method);
733
734 KlassHandle h_resolved (THREAD, method->method_holder());
735 Symbol* h_name = method->name();
736 Symbol* h_signature = method->signature();
737
738 LinkInfo link_info(h_resolved, h_name, h_signature, caller_klass);
739 methodHandle m;
740 // Only do exact lookup if receiver klass has been linked. Otherwise,
741 // the vtable has not been setup, and the LinkResolver will fail.
742 if (recv_klass->is_array_klass() ||
743 InstanceKlass::cast(recv_klass())->is_linked() && !recv_klass->is_interface()) {
744 if (h_resolved->is_interface()) {
745 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
746 } else {
747 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
748 }
749 }
750
751 if (m.is_null()) {
752 // Return NULL only if there was a problem with lookup (uninitialized class, etc.)
753 return NULL;
754 }
755
756 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
757 return JNIHandles::make_local(THREAD, result);
758 C2V_END
759
760 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
761 Klass* klass = CompilerToVM::asKlass(jvmci_type);
762 assert(klass != NULL, "method must not be called for primitive types");
763 return Dependencies::find_finalizable_subclass(klass) != NULL;
764 C2V_END
765
766 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
767 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
768 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
769 return JNIHandles::make_local(THREAD, result);
770 C2V_END
771
772 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
773 address target_addr = (address) addr;
774 if (target_addr != 0x0) {
775 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
776 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
777 return MAX2(ABS(off_low), ABS(off_high));
778 }
779 return -1;
780 C2V_END
781
782 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method))
783 methodHandle method = CompilerToVM::asMethod(jvmci_method);
784 method->set_not_c1_compilable();
785 method->set_not_c2_compilable();
786 method->set_dont_inline(true);
787 C2V_END
788
789 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
790 ResourceMark rm;
791 HandleMark hm;
792 Handle target_handle = JNIHandles::resolve(target);
793 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
794 CodeBlob* cb = NULL;
795 Handle installed_code_handle = JNIHandles::resolve(installed_code);
796 Handle speculation_log_handle = JNIHandles::resolve(speculation_log);
797
798 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
799
800 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
801 CodeInstaller installer;
802 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
803
804 if (PrintCodeCacheOnCompilation) {
805 stringStream s;
806 // Dump code cache into a buffer before locking the tty,
807 {
808 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
809 CodeCache::print_summary(&s, false);
810 }
811 ttyLocker ttyl;
812 tty->print_raw_cr(s.as_string());
813 }
814
815 if (result != JVMCIEnv::ok) {
816 assert(cb == NULL, "should be");
817 } else {
818 if (!installed_code_handle.is_null()) {
819 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
820 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
821 {
822 // Ensure that all updates to the InstalledCode fields are consistent.
823 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
824 InstalledCode::set_address(installed_code_handle, (jlong) cb);
825 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
826 if (cb->is_nmethod()) {
827 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
828 } else {
829 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
830 }
831 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
832 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
833 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
834 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
835 }
836 }
837 nmethod* nm = cb->as_nmethod_or_null();
838 if (nm != NULL && installed_code_handle->is_scavengable()) {
839 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
840 if (!UseG1GC) {
841 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
842 }
843 }
844 }
845 }
846 return result;
847 C2V_END
848
849 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
850 ResourceMark rm;
851 HandleMark hm;
852
853 Handle target_handle = JNIHandles::resolve(target);
854 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
855 Handle metadata_handle = JNIHandles::resolve(metadata);
856
857 CodeMetadata code_metadata;
858 CodeBlob *cb = NULL;
859 CodeInstaller installer;
860
861 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
862 if (result != JVMCIEnv::ok) {
863 return result;
864 }
865
866 if (code_metadata.get_nr_pc_desc() > 0) {
867 typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
868 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
869 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
870 }
871
872 if (code_metadata.get_scopes_size() > 0) {
873 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
874 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
875 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
876 }
877
878 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
879 typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
880 if (reloc_buffer->size() > 0) {
881 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
882 }
883 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
884
885 const OopMapSet* oopMapSet = installer.oopMapSet();
886 {
887 ResourceMark mark;
888 ImmutableOopMapBuilder builder(oopMapSet);
889 int oopmap_size = builder.heap_size();
890 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full));
891 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
892 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
893 }
894
895 HotSpotMetaData::set_metadata(metadata_handle, NULL);
896
897 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
898 int table_size = handler->size_in_bytes();
899 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full));
900
901 if (table_size > 0) {
902 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
903 }
904 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
905
906 return result;
907 C2V_END
908
909 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
910 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
911 CompilerStatistics* stats = compiler->stats();
912 stats->_standard.reset();
913 stats->_osr.reset();
914 C2V_END
915
916 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
917 ResourceMark rm;
918 HandleMark hm;
919
920 if (installedCode == NULL) {
921 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
922 }
923
924 jlong codeBlob = InstalledCode::address(installedCode);
925 if (codeBlob == 0L) {
926 return NULL;
927 }
928
929 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
930 if (cb == NULL) {
931 return NULL;
932 }
933
934 // We don't want the stringStream buffer to resize during disassembly as it
935 // uses scoped resource memory. If a nested function called during disassembly uses
936 // a ResourceMark and the buffer expands within the scope of the mark,
937 // the buffer becomes garbage when that scope is exited. Experience shows that
938 // the disassembled code is typically about 10x the code size so a fixed buffer
939 // sized to 20x code size plus a fixed amount for header info should be sufficient.
940 int bufferSize = cb->code_size() * 20 + 1024;
941 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
942 stringStream st(buffer, bufferSize);
943 if (cb->is_nmethod()) {
944 nmethod* nm = (nmethod*) cb;
945 if (!nm->is_alive()) {
946 return NULL;
947 }
948 }
949 Disassembler::decode(cb, &st);
950 if (st.size() <= 0) {
951 return NULL;
952 }
953
954 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
955 return JNIHandles::make_local(THREAD, result());
956 C2V_END
957
958 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
959 ResourceMark rm;
960 HandleMark hm;
961
962 methodHandle method = CompilerToVM::asMethod(jvmci_method);
963 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
964 return JNIHandles::make_local(THREAD, element);
965 C2V_END
966
967 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
968 ResourceMark rm;
969 HandleMark hm;
970
971 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
972 if (nmethodValue == 0L) {
973 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
974 }
975 nmethod* nm = (nmethod*) (address) nmethodValue;
976 methodHandle mh = nm->method();
977 Symbol* signature = mh->signature();
978 JavaCallArguments jca(mh->size_of_parameters());
979
980 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
981 JavaValue result(jap.get_ret_type());
982 jca.set_alternative_target(nm);
983 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
984
985 if (jap.get_ret_type() == T_VOID) {
986 return NULL;
987 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
988 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
989 } else {
990 jvalue *value = (jvalue *) result.get_value_addr();
991 // Narrow the value down if required (Important on big endian machines)
992 switch (jap.get_ret_type()) {
993 case T_BOOLEAN:
994 value->z = (jboolean) value->i;
995 break;
996 case T_BYTE:
997 value->b = (jbyte) value->i;
998 break;
999 case T_CHAR:
1000 value->c = (jchar) value->i;
1001 break;
1002 case T_SHORT:
1003 value->s = (jshort) value->i;
1004 break;
1005 }
1006 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1007 return JNIHandles::make_local(THREAD, o);
1008 }
1009 C2V_END
1010
1011 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1012 Method* method = CompilerToVM::asMethod(jvmci_method);
1013 if (!method->has_linenumber_table()) {
1014 return NULL;
1015 }
1016 u2 num_entries = 0;
1017 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1018 while (streamForSize.read_pair()) {
1019 num_entries++;
1020 }
1021
1022 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1023 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1024
1025 int i = 0;
1026 jlong value;
1027 while (stream.read_pair()) {
1028 value = ((long) stream.bci());
1029 result->long_at_put(i, value);
1030 value = ((long) stream.line());
1031 result->long_at_put(i + 1, value);
1032 i += 2;
1033 }
1034
1035 return (jlongArray) JNIHandles::make_local(THREAD, result);
1036 C2V_END
1037
1038 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1039 ResourceMark rm;
1040 Method* method = CompilerToVM::asMethod(jvmci_method);
1041 if (!method->has_localvariable_table()) {
1042 return 0;
1043 }
1044 return (jlong) (address) method->localvariable_table_start();
1045 C2V_END
1046
1047 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1048 ResourceMark rm;
1049 Method* method = CompilerToVM::asMethod(jvmci_method);
1050 return method->localvariable_table_length();
1051 C2V_END
1052
1053 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1054 Method* method = CompilerToVM::asMethod(jvmci_method);
1055 MethodCounters* mcs = method->method_counters();
1056 if (mcs != NULL) {
1057 mcs->clear_counters();
1058 }
1059 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1060
1061 CompiledMethod* code = method->code();
1062 if (code != NULL) {
1063 code->make_not_entrant();
1064 }
1065
1066 MethodData* method_data = method->method_data();
1067 if (method_data == NULL) {
1068 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1069 method_data = MethodData::allocate(loader_data, method, CHECK);
1070 method->set_method_data(method_data);
1071 } else {
1072 method_data->initialize();
1073 }
1074 C2V_END
1075
1076
1077 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1078 Handle installed_code_handle = JNIHandles::resolve(installed_code);
1079 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1080 C2V_END
1081
1082 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1083 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1084 JavaThread::collect_counters(arrayOop);
1085 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1086 C2V_END
1087
1088 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1089 HandleMark hm;
1090 ResourceMark rm;
1091 if (JNIHandles::resolve(jvmci_method) == NULL) {
1092 THROW_0(vmSymbols::java_lang_NullPointerException());
1093 }
1094 Method* method = CompilerToVM::asMethod(jvmci_method);
1095 if (entry_bci >= method->code_size() || entry_bci < -1) {
1096 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1097 }
1098 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1099 C2V_END
1100
1101
1102 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1103 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1104 return mdo != NULL && mdo->is_mature();
1105 C2V_END
1106
1107 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1108 Method* method = CompilerToVM::asMethod(jvmci_method);
1109 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1110 C2V_END
1111
1112 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1113 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1114 return JNIHandles::make_local(THREAD, sym());
1115 C2V_END
1116
1117 bool matches(jobjectArray methods, Method* method) {
1118 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1119
1120 for (int i = 0; i < methods_oop->length(); i++) {
1121 oop resolved = methods_oop->obj_at(i);
1122 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1123 return true;
1124 }
1125 }
1126 return false;
1127 }
1128
1129 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1130 ResourceMark rm;
1131
1132 if (!thread->has_last_Java_frame()) return NULL;
1133 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread);
1134 HotSpotStackFrameReference::klass()->initialize(thread);
1135
1136 StackFrameStream fst(thread);
1137 if (hs_frame != NULL) {
1138 // look for the correct stack frame if one is given
1139 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1140 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1141 fst.next();
1142 }
1143 if (fst.current()->sp() != stack_pointer) {
1144 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1145 }
1146 }
1147
1148 int frame_number = 0;
1149 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1150 if (hs_frame != NULL) {
1151 // look for the correct vframe within the stack frame if one is given
1152 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1153 while (frame_number < last_frame_number) {
1154 if (vf->is_top()) {
1155 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1156 }
1157 vf = vf->sender();
1158 frame_number ++;
1159 }
1160 // move one frame forward
1161 if (vf->is_top()) {
1162 if (fst.is_done()) {
1163 return NULL;
1164 }
1165 fst.next();
1166 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1167 frame_number = 0;
1168 } else {
1169 vf = vf->sender();
1170 frame_number++;
1171 }
1172 }
1173
1174 while (true) {
1175 // look for the given method
1176 while (true) {
1177 StackValueCollection* locals = NULL;
1178 if (vf->is_compiled_frame()) {
1179 // compiled method frame
1180 compiledVFrame* cvf = compiledVFrame::cast(vf);
1181 if (methods == NULL || matches(methods, cvf->method())) {
1182 if (initialSkip > 0) {
1183 initialSkip --;
1184 } else {
1185 ScopeDesc* scope = cvf->scope();
1186 // native wrapper do not have a scope
1187 if (scope != NULL && scope->objects() != NULL) {
1188 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1189 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1190
1191 GrowableArray<ScopeValue*>* local_values = scope->locals();
1192 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread);
1193 for (int i = 0; i < local_values->length(); i++) {
1194 ScopeValue* value = local_values->at(i);
1195 if (value->is_object()) {
1196 array->bool_at_put(i, true);
1197 }
1198 }
1199 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1200 } else {
1201 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1202 }
1203
1204 locals = cvf->locals();
1205 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1206 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1207 HotSpotStackFrameReference::set_method(result, method);
1208 }
1209 }
1210 } else if (vf->is_interpreted_frame()) {
1211 // interpreted method frame
1212 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1213 if (methods == NULL || matches(methods, ivf->method())) {
1214 if (initialSkip > 0) {
1215 initialSkip --;
1216 } else {
1217 locals = ivf->locals();
1218 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1219 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1220 HotSpotStackFrameReference::set_method(result, method);
1221 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1222 }
1223 }
1224 }
1225
1226 // locals != NULL means that we found a matching frame and result is already partially initialized
1227 if (locals != NULL) {
1228 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1229 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1230 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1231
1232 // initialize the locals array
1233 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread);
1234 for (int i = 0; i < locals->size(); i++) {
1235 StackValue* var = locals->at(i);
1236 if (var->type() == T_OBJECT) {
1237 array->obj_at_put(i, locals->at(i)->get_obj()());
1238 }
1239 }
1240 HotSpotStackFrameReference::set_locals(result, array());
1241
1242 return JNIHandles::make_local(thread, result());
1243 }
1244
1245 if (vf->is_top()) {
1246 break;
1247 }
1248 frame_number++;
1249 vf = vf->sender();
1250 } // end of vframe loop
1251
1252 if (fst.is_done()) {
1253 break;
1254 }
1255 fst.next();
1256 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1257 frame_number = 0;
1258 } // end of frame loop
1259
1260 // the end was reached without finding a matching method
1261 return NULL;
1262 C2V_END
1263
1264 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1265 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1266 CallInfo callInfo;
1267 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1268 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1269 cp_cache_entry->set_dynamic_call(cp, callInfo);
1270 C2V_END
1271
1272 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1273 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1274 CallInfo callInfo;
1275 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1276 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1277 cp_cache_entry->set_method_handle(cp, callInfo);
1278 C2V_END
1279
1280 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1281 //see compute_recording_non_safepoints in debugInfroRec.cpp
1282 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1283 return true;
1284 }
1285 return DebugNonSafepoints;
1286 C2V_END
1287
1288 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1289 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1290 ResourceMark rm;
1291
1292 if (hs_frame == NULL) {
1293 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1294 }
1295
1296 HotSpotStackFrameReference::klass()->initialize(thread);
1297
1298 // look for the given stack frame
1299 StackFrameStream fst(thread);
1300 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1301 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1302 fst.next();
1303 }
1304 if (fst.current()->sp() != stack_pointer) {
1305 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1306 }
1307
1308 if (invalidate) {
1309 if (!fst.current()->is_compiled_frame()) {
1310 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1311 }
1312 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1313 ((nmethod*) fst.current()->cb())->make_not_entrant();
1314 }
1315 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1316 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1317 StackFrameStream fstAfterDeopt(thread);
1318 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1319 fstAfterDeopt.next();
1320 }
1321 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1322 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1323 }
1324
1325 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1326 if (!vf->is_compiled_frame()) {
1327 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1328 }
1329
1330 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1331 while (true) {
1332 assert(vf->is_compiled_frame(), "Wrong frame type");
1333 virtualFrames->push(compiledVFrame::cast(vf));
1334 if (vf->is_top()) {
1335 break;
1336 }
1337 vf = vf->sender();
1338 }
1339
1340 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1341 if (last_frame_number >= virtualFrames->length()) {
1342 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1343 }
1344
1345 // Reallocate the non-escaping objects and restore their fields.
1346 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1347 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1348
1349 if (objects == NULL) {
1350 // no objects to materialize
1351 return;
1352 }
1353
1354 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1355 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1356
1357 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1358 compiledVFrame* cvf = virtualFrames->at(frame_index);
1359
1360 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1361 StackValueCollection* locals = cvf->locals();
1362
1363 if (locals != NULL) {
1364 for (int i2 = 0; i2 < locals->size(); i2++) {
1365 StackValue* var = locals->at(i2);
1366 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1367 jvalue val;
1368 val.l = (jobject) locals->at(i2)->get_obj()();
1369 cvf->update_local(T_OBJECT, i2, val);
1370 }
1371 }
1372 }
1373 }
1374
1375 // all locals are materialized by now
1376 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1377
1378 // update the locals array
1379 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame);
1380 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1381 for (int i = 0; i < locals->size(); i++) {
1382 StackValue* var = locals->at(i);
1383 if (var->type() == T_OBJECT) {
1384 array->obj_at_put(i, locals->at(i)->get_obj()());
1385 }
1386 }
1387 C2V_END
1388
1389 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1390 if (bytes == NULL) {
1391 THROW(vmSymbols::java_lang_NullPointerException());
1392 }
1393 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1394
1395 // Check if offset and length are non negative.
1396 if (offset < 0 || length < 0) {
1397 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1398 }
1399 // Check if the range is valid.
1400 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1401 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1402 }
1403 while (length > 0) {
1404 jbyte* start = array->byte_at_addr(offset);
1405 tty->write((char*) start, MIN2(length, O_BUFLEN));
1406 length -= O_BUFLEN;
1407 offset += O_BUFLEN;
1408 }
1409 C2V_END
1410
1411 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1412 tty->flush();
1413 C2V_END
1414
1415 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1416 ResourceMark rm;
1417 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1418 ProfileData* profile_data = mdo->data_at(position);
1419 if (mdo->is_valid(profile_data)) {
1420 return profile_data->size_in_bytes();
1421 }
1422 DataLayout* data = mdo->extra_data_base();
1423 DataLayout* end = mdo->extra_data_limit();
1424 for (;; data = mdo->next_extra(data)) {
1425 assert(data < end, "moved past end of extra data");
1426 profile_data = data->data_in();
1427 if (mdo->dp_to_di(profile_data->dp()) == position) {
1428 return profile_data->size_in_bytes();
1429 }
1430 }
1431 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1432 C2V_END
1433
1434 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1435 if (bytecode_frame_handle == NULL) {
1436 THROW_0(vmSymbols::java_lang_NullPointerException());
1437 }
1438
1439 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1440 oop bytecode_frame = top_bytecode_frame;
1441 int size = 0;
1442 int callee_parameters = 0;
1443 int callee_locals = 0;
1444 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1445 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1446
1447 while (bytecode_frame != NULL) {
1448 int locks = BytecodeFrame::numLocks(bytecode_frame);
1449 int temps = BytecodeFrame::numStack(bytecode_frame);
1450 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1451 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1452
1453 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1454 temps + callee_parameters,
1455 extra_args,
1456 locks,
1457 callee_parameters,
1458 callee_locals,
1459 is_top_frame);
1460 size += frame_size;
1461
1462 callee_parameters = method->size_of_parameters();
1463 callee_locals = method->max_locals();
1464 extra_args = 0;
1465 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1466 }
1467 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1468 C2V_END
1469
1470
1471 #define CC (char*) /*cast a literal from (const char*)*/
1472 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1473
1474 #define STRING "Ljava/lang/String;"
1475 #define OBJECT "Ljava/lang/Object;"
1476 #define CLASS "Ljava/lang/Class;"
1477 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1478 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1479 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1480 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1481 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1482 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1483 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1484 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1485 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1486 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1487 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1488 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1489 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1490 #define METASPACE_METHOD_DATA "J"
1491
1492 JNINativeMethod CompilerToVM::methods[] = {
1493 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1494 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1495 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1496 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1497 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1498 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1499 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1500 {CC "doNotInlineOrCompile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(doNotInlineOrCompile)},
1501 {CC "canInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(canInlineMethod)},
1502 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1503 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1504 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1505 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1506 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1507 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1508 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1509 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1510 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1511 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1512 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1513 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1514 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1515 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[J)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1516 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1517 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1518 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1519 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1520 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1521 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1522 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1523 {CC "getResolvedJavaMethodAtSlot", CC "(" CLASS "I)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethodAtSlot)},
1524 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1525 {CC "getConstantPool", CC "(Ljava/lang/Object;J)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1526 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1527 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1528 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1529 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1530 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1531 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1532 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1533 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1534 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1535 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1536 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1537 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1538 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1539 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1540 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1541 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1542 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1543 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1544 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1545 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1546 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1547 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1548 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1549 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1550 };
1551
1552 int CompilerToVM::methods_count() {
1553 return sizeof(methods) / sizeof(JNINativeMethod);
1554 }
1555