29 #include "cds/cdsConfig.hpp"
30 #include "cds/lambdaFormInvokers.inline.hpp"
31 #include "cds/regeneratedClasses.hpp"
32 #include "classfile/classFileStream.hpp"
33 #include "classfile/classLoadInfo.hpp"
34 #include "classfile/javaClasses.inline.hpp"
35 #include "classfile/klassFactory.hpp"
36 #include "classfile/symbolTable.hpp"
37 #include "classfile/systemDictionary.hpp"
38 #include "classfile/systemDictionaryShared.hpp"
39 #include "classfile/vmClasses.hpp"
40 #include "classfile/vmSymbols.hpp"
41 #include "logging/log.hpp"
42 #include "memory/oopFactory.hpp"
43 #include "memory/resourceArea.hpp"
44 #include "oops/instanceKlass.hpp"
45 #include "oops/klass.inline.hpp"
46 #include "oops/objArrayKlass.hpp"
47 #include "oops/objArrayOop.hpp"
48 #include "oops/oop.inline.hpp"
49 #include "oops/oopHandle.inline.hpp"
50 #include "oops/typeArrayOop.inline.hpp"
51 #include "runtime/handles.inline.hpp"
52 #include "runtime/javaCalls.hpp"
53 #include "runtime/mutexLocker.hpp"
54
55 GrowableArrayCHeap<char*, mtClassShared>* LambdaFormInvokers::_lambdaform_lines = nullptr;
56 Array<AOTCompressedPointers::narrowPtr>* LambdaFormInvokers::_static_archive_invokers = nullptr;
57 static bool _stop_appending = false;
58
59 #define NUM_FILTER 4
60 static const char* filter[NUM_FILTER] = {"java.lang.invoke.Invokers$Holder",
61 "java.lang.invoke.DirectMethodHandle$Holder",
62 "java.lang.invoke.DelegatingMethodHandle$Holder",
63 "java.lang.invoke.LambdaForm$Holder"};
64
65 static bool should_be_archived(char* line) {
66 for (int k = 0; k < NUM_FILTER; k++) {
67 if (strstr(line, filter[k]) != nullptr) {
68 return true;
126
127 Symbol* cds_name = vmSymbols::jdk_internal_misc_CDS();
128 Klass* cds_klass = SystemDictionary::resolve_or_null(cds_name, THREAD);
129 guarantee(cds_klass != nullptr, "jdk/internal/misc/CDS must exist!");
130
131 assert(CDSConfig::current_thread_is_dumper(), "not supposed to be called from other threads");
132 {
133 // Stop other threads from recording into _lambdaform_lines.
134 MutexLocker ml(Thread::current(), LambdaFormInvokers_lock);
135 _stop_appending = true;
136 }
137
138 PrintLambdaFormMessage plm;
139 if (_lambdaform_lines == nullptr || _lambdaform_lines->length() == 0) {
140 log_info(aot)("Nothing to regenerate for lambda form holder classes");
141 return;
142 }
143
144 HandleMark hm(THREAD);
145 int len = _lambdaform_lines->length();
146 objArrayHandle list_lines = oopFactory::new_objArray_handle(vmClasses::String_klass(), len, CHECK);
147 for (int i = 0; i < len; i++) {
148 Handle h_line = java_lang_String::create_from_str(_lambdaform_lines->at(i), CHECK);
149 list_lines->obj_at_put(i, h_line());
150 }
151
152 // Object[] CDS.generateLambdaFormHolderClasses(String[] lines)
153 // the returned Object[] layout:
154 // name, byte[], name, byte[] ....
155 Symbol* method = vmSymbols::generateLambdaFormHolderClasses();
156 Symbol* signrs = vmSymbols::generateLambdaFormHolderClasses_signature();
157
158 JavaValue result(T_OBJECT);
159 JavaCalls::call_static(&result, cds_klass, method, signrs, list_lines, THREAD);
160
161 if (HAS_PENDING_EXCEPTION) {
162 if (!PENDING_EXCEPTION->is_a(vmClasses::OutOfMemoryError_klass())) {
163 log_error(aot)("%s: %s", PENDING_EXCEPTION->klass()->external_name(),
164 java_lang_String::as_utf8_string(java_lang_Throwable::message(PENDING_EXCEPTION)));
165 if (CDSConfig::is_dumping_static_archive()) {
166 log_error(aot)("Failed to generate LambdaForm holder classes. Is your classlist out of date?");
167 } else {
168 log_error(aot)("Failed to generate LambdaForm holder classes. Was the base archive generated with an outdated classlist?");
169 }
170 CLEAR_PENDING_EXCEPTION;
171 }
172 return;
173 }
174
175 objArrayHandle h_array(THREAD, (objArrayOop)result.get_oop());
176 int sz = h_array->length();
177 assert(sz % 2 == 0 && sz >= 2, "Must be even size of length");
178 for (int i = 0; i < sz; i+= 2) {
179 Handle h_name(THREAD, h_array->obj_at(i));
180 typeArrayHandle h_bytes(THREAD, (typeArrayOop)h_array->obj_at(i+1));
181 assert(h_name != nullptr, "Class name is null");
182 assert(h_bytes != nullptr, "Class bytes is null");
183
184 char *class_name = java_lang_String::as_utf8_string(h_name());
185 if (strstr(class_name, "java/lang/invoke/BoundMethodHandle$Species_") != nullptr) {
186 // The species classes are already loaded into the system dictionary
187 // during the execution of CDS.generateLambdaFormHolderClasses(). No
188 // need to regenerate.
189 TempNewSymbol class_name_sym = SymbolTable::new_symbol(class_name);
190 Klass* klass = SystemDictionary::resolve_or_null(class_name_sym, THREAD);
191 assert(klass != nullptr, "must already be loaded");
192 if (!klass->in_aot_cache() && klass->shared_classpath_index() < 0) {
193 // Fake it, so that it will be included into the archive.
194 klass->set_shared_classpath_index(0);
195 // Set the "generated" bit, so it won't interfere with JVMTI.
|
29 #include "cds/cdsConfig.hpp"
30 #include "cds/lambdaFormInvokers.inline.hpp"
31 #include "cds/regeneratedClasses.hpp"
32 #include "classfile/classFileStream.hpp"
33 #include "classfile/classLoadInfo.hpp"
34 #include "classfile/javaClasses.inline.hpp"
35 #include "classfile/klassFactory.hpp"
36 #include "classfile/symbolTable.hpp"
37 #include "classfile/systemDictionary.hpp"
38 #include "classfile/systemDictionaryShared.hpp"
39 #include "classfile/vmClasses.hpp"
40 #include "classfile/vmSymbols.hpp"
41 #include "logging/log.hpp"
42 #include "memory/oopFactory.hpp"
43 #include "memory/resourceArea.hpp"
44 #include "oops/instanceKlass.hpp"
45 #include "oops/klass.inline.hpp"
46 #include "oops/objArrayKlass.hpp"
47 #include "oops/objArrayOop.hpp"
48 #include "oops/oop.inline.hpp"
49 #include "oops/oopCast.inline.hpp"
50 #include "oops/oopHandle.inline.hpp"
51 #include "oops/typeArrayOop.inline.hpp"
52 #include "runtime/handles.inline.hpp"
53 #include "runtime/javaCalls.hpp"
54 #include "runtime/mutexLocker.hpp"
55
56 GrowableArrayCHeap<char*, mtClassShared>* LambdaFormInvokers::_lambdaform_lines = nullptr;
57 Array<AOTCompressedPointers::narrowPtr>* LambdaFormInvokers::_static_archive_invokers = nullptr;
58 static bool _stop_appending = false;
59
60 #define NUM_FILTER 4
61 static const char* filter[NUM_FILTER] = {"java.lang.invoke.Invokers$Holder",
62 "java.lang.invoke.DirectMethodHandle$Holder",
63 "java.lang.invoke.DelegatingMethodHandle$Holder",
64 "java.lang.invoke.LambdaForm$Holder"};
65
66 static bool should_be_archived(char* line) {
67 for (int k = 0; k < NUM_FILTER; k++) {
68 if (strstr(line, filter[k]) != nullptr) {
69 return true;
127
128 Symbol* cds_name = vmSymbols::jdk_internal_misc_CDS();
129 Klass* cds_klass = SystemDictionary::resolve_or_null(cds_name, THREAD);
130 guarantee(cds_klass != nullptr, "jdk/internal/misc/CDS must exist!");
131
132 assert(CDSConfig::current_thread_is_dumper(), "not supposed to be called from other threads");
133 {
134 // Stop other threads from recording into _lambdaform_lines.
135 MutexLocker ml(Thread::current(), LambdaFormInvokers_lock);
136 _stop_appending = true;
137 }
138
139 PrintLambdaFormMessage plm;
140 if (_lambdaform_lines == nullptr || _lambdaform_lines->length() == 0) {
141 log_info(aot)("Nothing to regenerate for lambda form holder classes");
142 return;
143 }
144
145 HandleMark hm(THREAD);
146 int len = _lambdaform_lines->length();
147 refArrayHandle list_lines = oopFactory::new_refArray_handle(vmClasses::String_klass(), len, CHECK);
148 for (int i = 0; i < len; i++) {
149 Handle h_line = java_lang_String::create_from_str(_lambdaform_lines->at(i), CHECK);
150 list_lines->obj_at_put(i, h_line());
151 }
152
153 // Object[] CDS.generateLambdaFormHolderClasses(String[] lines)
154 // the returned Object[] layout:
155 // name, byte[], name, byte[] ....
156 Symbol* method = vmSymbols::generateLambdaFormHolderClasses();
157 Symbol* signrs = vmSymbols::generateLambdaFormHolderClasses_signature();
158
159 JavaValue result(T_OBJECT);
160 JavaCalls::call_static(&result, cds_klass, method, signrs, list_lines, THREAD);
161
162 if (HAS_PENDING_EXCEPTION) {
163 if (!PENDING_EXCEPTION->is_a(vmClasses::OutOfMemoryError_klass())) {
164 log_error(aot)("%s: %s", PENDING_EXCEPTION->klass()->external_name(),
165 java_lang_String::as_utf8_string(java_lang_Throwable::message(PENDING_EXCEPTION)));
166 if (CDSConfig::is_dumping_static_archive()) {
167 log_error(aot)("Failed to generate LambdaForm holder classes. Is your classlist out of date?");
168 } else {
169 log_error(aot)("Failed to generate LambdaForm holder classes. Was the base archive generated with an outdated classlist?");
170 }
171 CLEAR_PENDING_EXCEPTION;
172 }
173 return;
174 }
175
176 refArrayHandle h_array(THREAD, oop_cast<refArrayOop>(result.get_oop()));
177 int sz = h_array->length();
178 assert(sz % 2 == 0 && sz >= 2, "Must be even size of length");
179 for (int i = 0; i < sz; i+= 2) {
180 Handle h_name(THREAD, h_array->obj_at(i));
181 typeArrayHandle h_bytes(THREAD, (typeArrayOop)h_array->obj_at(i+1));
182 assert(h_name != nullptr, "Class name is null");
183 assert(h_bytes != nullptr, "Class bytes is null");
184
185 char *class_name = java_lang_String::as_utf8_string(h_name());
186 if (strstr(class_name, "java/lang/invoke/BoundMethodHandle$Species_") != nullptr) {
187 // The species classes are already loaded into the system dictionary
188 // during the execution of CDS.generateLambdaFormHolderClasses(). No
189 // need to regenerate.
190 TempNewSymbol class_name_sym = SymbolTable::new_symbol(class_name);
191 Klass* klass = SystemDictionary::resolve_or_null(class_name_sym, THREAD);
192 assert(klass != nullptr, "must already be loaded");
193 if (!klass->in_aot_cache() && klass->shared_classpath_index() < 0) {
194 // Fake it, so that it will be included into the archive.
195 klass->set_shared_classpath_index(0);
196 // Set the "generated" bit, so it won't interfere with JVMTI.
|