70 #include "runtime/mutexLocker.hpp"
71 #include "runtime/os.hpp"
72 #include "runtime/vm_version.hpp"
73 #include "utilities/align.hpp"
74 #include "utilities/bitMap.inline.hpp"
75 #include "utilities/classpathStream.hpp"
76 #include "utilities/defaultStream.hpp"
77 #include "utilities/ostream.hpp"
78 #if INCLUDE_G1GC
79 #include "gc/g1/g1CollectedHeap.hpp"
80 #include "gc/g1/g1HeapRegion.hpp"
81 #endif
82
83 #include <errno.h>
84 #include <sys/stat.h>
85
86 #ifndef O_BINARY // if defined (Win32) use binary files.
87 #define O_BINARY 0 // otherwise do nothing.
88 #endif
89
90 // Fill in the fileMapInfo structure with data about this VM instance.
91
92 // This method copies the vm version info into header_version. If the version is too
93 // long then a truncated version, which has a hash code appended to it, is copied.
94 //
95 // Using a template enables this method to verify that header_version is an array of
96 // length JVM_IDENT_MAX. This ensures that the code that writes to the CDS file and
97 // the code that reads the CDS file will both use the same size buffer. Hence, will
98 // use identical truncation. This is necessary for matching of truncated versions.
99 template <int N> static void get_header_version(char (&header_version) [N]) {
100 assert(N == JVM_IDENT_MAX, "Bad header_version size");
101
102 const char *vm_version = VM_Version::internal_vm_info_string();
103 const int version_len = (int)strlen(vm_version);
104
105 memset(header_version, 0, JVM_IDENT_MAX);
106
107 if (version_len < (JVM_IDENT_MAX-1)) {
108 strcpy(header_version, vm_version);
109
231 _narrow_klass_pointer_bits = CompressedKlassPointers::narrow_klass_pointer_bits();
232 _narrow_klass_shift = ArchiveBuilder::precomputed_narrow_klass_shift();
233 #endif
234 } else {
235 _narrow_klass_pointer_bits = _narrow_klass_shift = -1;
236 }
237 // Which JIT compier is used
238 _compiler_type = (u1)CompilerConfig::compiler_type();
239 _type_profile_level = TypeProfileLevel;
240 _type_profile_args_limit = TypeProfileArgsLimit;
241 _type_profile_parms_limit = TypeProfileParmsLimit;
242 _type_profile_width = TypeProfileWidth;
243 _bci_profile_width = BciProfileWidth;
244 _profile_traps = ProfileTraps;
245 _type_profile_casts = TypeProfileCasts;
246 _spec_trap_limit_extra_entries = SpecTrapLimitExtraEntries;
247 _max_heap_size = MaxHeapSize;
248 _use_optimized_module_handling = CDSConfig::is_using_optimized_module_handling();
249 _has_aot_linked_classes = CDSConfig::is_dumping_aot_linked_classes();
250 _has_full_module_graph = CDSConfig::is_dumping_full_module_graph();
251
252 // The following fields are for sanity checks for whether this archive
253 // will function correctly with this JVM and the bootclasspath it's
254 // invoked with.
255
256 // JVM version string ... changes on each build.
257 get_header_version(_jvm_ident);
258
259 _verify_local = BytecodeVerificationLocal;
260 _verify_remote = BytecodeVerificationRemote;
261 _has_platform_or_app_classes = AOTClassLocationConfig::dumptime()->has_platform_or_app_classes();
262 _requested_base_address = (char*)SharedBaseAddress;
263 _mapped_base_address = (char*)SharedBaseAddress;
264 }
265
266 void FileMapHeader::copy_base_archive_name(const char* archive) {
267 assert(base_archive_name_size() != 0, "_base_archive_name_size not set");
268 assert(base_archive_name_offset() != 0, "_base_archive_name_offset not set");
269 assert(header_size() > sizeof(*this), "_base_archive_name_size not included in header size?");
270 memcpy((char*)this + base_archive_name_offset(), archive, base_archive_name_size());
271 }
272
273 void FileMapHeader::print(outputStream* st) {
274 ResourceMark rm;
275
276 st->print_cr("- magic: 0x%08x", magic());
277 st->print_cr("- crc: 0x%08x", crc());
278 st->print_cr("- version: 0x%x", version());
279 st->print_cr("- header_size: " UINT32_FORMAT, header_size());
280 st->print_cr("- base_archive_name_offset: " UINT32_FORMAT, base_archive_name_offset());
281 st->print_cr("- base_archive_name_size: " UINT32_FORMAT, base_archive_name_size());
282
283 for (int i = 0; i < NUM_CDS_REGIONS; i++) {
313 st->print_cr("- mapped_heap_header");
314 st->print_cr(" - root_segments");
315 st->print_cr(" - roots_count: %d", _mapped_heap_header.root_segments().roots_count());
316 st->print_cr(" - base_offset: 0x%zx", _mapped_heap_header.root_segments().base_offset());
317 st->print_cr(" - count: %zu", _mapped_heap_header.root_segments().count());
318 st->print_cr(" - max_size_elems: %d", _mapped_heap_header.root_segments().max_size_in_elems());
319 st->print_cr(" - max_size_bytes: %zu", _mapped_heap_header.root_segments().max_size_in_bytes());
320 st->print_cr(" - oopmap_start_pos: %zu", _mapped_heap_header.oopmap_start_pos());
321 st->print_cr(" - oopmap_ptrmap_pos: %zu", _mapped_heap_header.ptrmap_start_pos());
322 st->print_cr("- streamed_heap_header");
323 st->print_cr(" - forwarding_offset: %zu", _streamed_heap_header.forwarding_offset());
324 st->print_cr(" - roots_offset: %zu", _streamed_heap_header.roots_offset());
325 st->print_cr(" - num_roots: %zu", _streamed_heap_header.num_roots());
326 st->print_cr(" - root_highest_object_index_table_offset: %zu", _streamed_heap_header.root_highest_object_index_table_offset());
327 st->print_cr(" - num_archived_objects: %zu", _streamed_heap_header.num_archived_objects());
328
329 st->print_cr("- _rw_ptrmap_start_pos: %zu", _rw_ptrmap_start_pos);
330 st->print_cr("- _ro_ptrmap_start_pos: %zu", _ro_ptrmap_start_pos);
331 st->print_cr("- use_optimized_module_handling: %d", _use_optimized_module_handling);
332 st->print_cr("- has_full_module_graph %d", _has_full_module_graph);
333 st->print_cr("- has_aot_linked_classes %d", _has_aot_linked_classes);
334 }
335
336 bool FileMapInfo::validate_class_location() {
337 assert(CDSConfig::is_using_archive(), "runtime only");
338
339 AOTClassLocationConfig* config = header()->class_location_config();
340 bool has_extra_module_paths = false;
341 if (!config->validate(full_path(), header()->has_aot_linked_classes(), &has_extra_module_paths)) {
342 if (PrintSharedArchiveAndExit) {
343 AOTMetaspace::set_archive_loading_failed();
344 return true;
345 } else {
346 return false;
347 }
348 }
349
350 if (header()->has_full_module_graph() && has_extra_module_paths) {
351 CDSConfig::stop_using_optimized_module_handling();
352 AOTMetaspace::report_loading_error("optimized module handling: disabled because extra module path(s) are specified");
696 if (strncmp(actual_ident, expected_ident, JVM_IDENT_MAX-1) != 0) {
697 aot_log_info(aot)("_jvm_ident expected: %s", expected_ident);
698 aot_log_info(aot)(" actual: %s", actual_ident);
699 aot_log_warning(aot)("The %s was created by a different"
700 " version or build of HotSpot", file_type);
701 return false;
702 }
703
704 _file_offset = header()->header_size(); // accounts for the size of _base_archive_name
705
706 size_t len = os::lseek(fd, 0, SEEK_END);
707
708 for (int i = 0; i < AOTMetaspace::n_regions; i++) {
709 FileMapRegion* r = region_at(i);
710 if (r->file_offset() > len || len - r->file_offset() < r->used()) {
711 aot_log_warning(aot)("The %s has been truncated.", file_type);
712 return false;
713 }
714 }
715
716 return true;
717 }
718
719 void FileMapInfo::seek_to_position(size_t pos) {
720 if (os::lseek(_fd, (long)pos, SEEK_SET) < 0) {
721 aot_log_error(aot)("Unable to seek to position %zu", pos);
722 AOTMetaspace::unrecoverable_loading_error();
723 }
724 }
725
726 // Read the FileMapInfo information from the file.
727 bool FileMapInfo::open_for_read() {
728 if (_file_open) {
729 return true;
730 }
731 const char* file_type = CDSConfig::type_of_archive_being_loaded();
732 const char* info = CDSConfig::is_dumping_final_static_archive() ?
733 "AOTConfiguration file " : "";
734 aot_log_info(aot)("trying to map %s%s", info, _full_path);
735 int fd = os::open(_full_path, O_RDONLY | O_BINARY, 0);
1901 // For backwards compatibility, we don't check the BytecodeVerificationRemote setting
1902 // if the archive only contains system classes.
1903 if (_has_platform_or_app_classes
1904 && !_verify_remote // we didn't verify the archived platform/app classes
1905 && BytecodeVerificationRemote) { // but we want to verify all loaded platform/app classes
1906 aot_log_info(aot)("The %s was created with less restrictive "
1907 "verification setting than the current setting.", file_type);
1908 // Pretend that we didn't have any archived platform/app classes, so they won't be loaded
1909 // by SystemDictionaryShared.
1910 _has_platform_or_app_classes = false;
1911 }
1912
1913 aot_log_info(aot)("The %s was created with UseCompressedOops = %d, UseCompressedClassPointers = %d, UseCompactObjectHeaders = %d",
1914 file_type, compressed_oops(), compressed_class_pointers(), compact_headers());
1915 if (compressed_oops() != UseCompressedOops || compressed_class_pointers() != UseCompressedClassPointers) {
1916 aot_log_warning(aot)("Unable to use %s.\nThe saved state of UseCompressedOops and UseCompressedClassPointers is "
1917 "different from runtime, CDS will be disabled.", file_type);
1918 return false;
1919 }
1920
1921 if (compact_headers() != UseCompactObjectHeaders) {
1922 aot_log_warning(aot)("Unable to use %s.\nThe %s's UseCompactObjectHeaders setting (%s)"
1923 " does not equal the current UseCompactObjectHeaders setting (%s).", file_type, file_type,
1924 _compact_headers ? "enabled" : "disabled",
1925 UseCompactObjectHeaders ? "enabled" : "disabled");
1926 return false;
1927 }
1928
1929 if (!_use_optimized_module_handling && !CDSConfig::is_dumping_final_static_archive()) {
1930 CDSConfig::stop_using_optimized_module_handling();
1931 aot_log_info(aot)("optimized module handling: disabled because archive was created without optimized module handling");
1932 }
1933
1934 if (is_static()) {
1935 // Only the static archive can contain the full module graph.
1936 if (!_has_full_module_graph) {
1937 CDSConfig::stop_using_full_module_graph("archive was created without full module graph");
1938 }
1939 }
1940
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70 #include "runtime/mutexLocker.hpp"
71 #include "runtime/os.hpp"
72 #include "runtime/vm_version.hpp"
73 #include "utilities/align.hpp"
74 #include "utilities/bitMap.inline.hpp"
75 #include "utilities/classpathStream.hpp"
76 #include "utilities/defaultStream.hpp"
77 #include "utilities/ostream.hpp"
78 #if INCLUDE_G1GC
79 #include "gc/g1/g1CollectedHeap.hpp"
80 #include "gc/g1/g1HeapRegion.hpp"
81 #endif
82
83 #include <errno.h>
84 #include <sys/stat.h>
85
86 #ifndef O_BINARY // if defined (Win32) use binary files.
87 #define O_BINARY 0 // otherwise do nothing.
88 #endif
89
90 inline void CDSMustMatchFlags::do_print(outputStream* st, bool v) {
91 st->print("%s", v ? "true" : "false");
92 }
93
94 inline void CDSMustMatchFlags::do_print(outputStream* st, intx v) {
95 st->print("%zd", v);
96 }
97
98 inline void CDSMustMatchFlags::do_print(outputStream* st, uintx v) {
99 st->print("%zu", v);
100 }
101
102 inline void CDSMustMatchFlags::do_print(outputStream* st, double v) {
103 st->print("%f", v);
104 }
105
106 void CDSMustMatchFlags::init() {
107 assert(CDSConfig::is_dumping_archive(), "sanity");
108 _max_name_width = 0;
109
110 #define INIT_CDS_MUST_MATCH_FLAG(n) \
111 _v_##n = n; \
112 _max_name_width = MAX2(_max_name_width,strlen(#n));
113 CDS_MUST_MATCH_FLAGS_DO(INIT_CDS_MUST_MATCH_FLAG);
114 #undef INIT_CDS_MUST_MATCH_FLAG
115 }
116
117 bool CDSMustMatchFlags::runtime_check() const {
118 #define CHECK_CDS_MUST_MATCH_FLAG(n) \
119 if (_v_##n != n) { \
120 ResourceMark rm; \
121 stringStream ss; \
122 ss.print("VM option %s is different between dumptime (", #n); \
123 do_print(&ss, _v_ ## n); \
124 ss.print(") and runtime ("); \
125 do_print(&ss, n); \
126 ss.print(")"); \
127 log_info(cds)("%s", ss.as_string()); \
128 return false; \
129 }
130 CDS_MUST_MATCH_FLAGS_DO(CHECK_CDS_MUST_MATCH_FLAG);
131 #undef CHECK_CDS_MUST_MATCH_FLAG
132
133 return true;
134 }
135
136 void CDSMustMatchFlags::print_info() const {
137 LogTarget(Info, cds) lt;
138 if (lt.is_enabled()) {
139 LogStream ls(lt);
140 ls.print_cr("Recorded VM flags during dumptime:");
141 print(&ls);
142 }
143 }
144
145 void CDSMustMatchFlags::print(outputStream* st) const {
146 #define PRINT_CDS_MUST_MATCH_FLAG(n) \
147 st->print("- %-s ", #n); \
148 st->sp(int(_max_name_width - strlen(#n))); \
149 do_print(st, _v_##n); \
150 st->cr();
151 CDS_MUST_MATCH_FLAGS_DO(PRINT_CDS_MUST_MATCH_FLAG);
152 #undef PRINT_CDS_MUST_MATCH_FLAG
153 }
154
155 // Fill in the fileMapInfo structure with data about this VM instance.
156
157 // This method copies the vm version info into header_version. If the version is too
158 // long then a truncated version, which has a hash code appended to it, is copied.
159 //
160 // Using a template enables this method to verify that header_version is an array of
161 // length JVM_IDENT_MAX. This ensures that the code that writes to the CDS file and
162 // the code that reads the CDS file will both use the same size buffer. Hence, will
163 // use identical truncation. This is necessary for matching of truncated versions.
164 template <int N> static void get_header_version(char (&header_version) [N]) {
165 assert(N == JVM_IDENT_MAX, "Bad header_version size");
166
167 const char *vm_version = VM_Version::internal_vm_info_string();
168 const int version_len = (int)strlen(vm_version);
169
170 memset(header_version, 0, JVM_IDENT_MAX);
171
172 if (version_len < (JVM_IDENT_MAX-1)) {
173 strcpy(header_version, vm_version);
174
296 _narrow_klass_pointer_bits = CompressedKlassPointers::narrow_klass_pointer_bits();
297 _narrow_klass_shift = ArchiveBuilder::precomputed_narrow_klass_shift();
298 #endif
299 } else {
300 _narrow_klass_pointer_bits = _narrow_klass_shift = -1;
301 }
302 // Which JIT compier is used
303 _compiler_type = (u1)CompilerConfig::compiler_type();
304 _type_profile_level = TypeProfileLevel;
305 _type_profile_args_limit = TypeProfileArgsLimit;
306 _type_profile_parms_limit = TypeProfileParmsLimit;
307 _type_profile_width = TypeProfileWidth;
308 _bci_profile_width = BciProfileWidth;
309 _profile_traps = ProfileTraps;
310 _type_profile_casts = TypeProfileCasts;
311 _spec_trap_limit_extra_entries = SpecTrapLimitExtraEntries;
312 _max_heap_size = MaxHeapSize;
313 _use_optimized_module_handling = CDSConfig::is_using_optimized_module_handling();
314 _has_aot_linked_classes = CDSConfig::is_dumping_aot_linked_classes();
315 _has_full_module_graph = CDSConfig::is_dumping_full_module_graph();
316 _has_valhalla_patched_classes = Arguments::is_valhalla_enabled();
317
318 // The following fields are for sanity checks for whether this archive
319 // will function correctly with this JVM and the bootclasspath it's
320 // invoked with.
321
322 // JVM version string ... changes on each build.
323 get_header_version(_jvm_ident);
324
325 _verify_local = BytecodeVerificationLocal;
326 _verify_remote = BytecodeVerificationRemote;
327 _has_platform_or_app_classes = AOTClassLocationConfig::dumptime()->has_platform_or_app_classes();
328 _requested_base_address = (char*)SharedBaseAddress;
329 _mapped_base_address = (char*)SharedBaseAddress;
330 _must_match.init();
331 }
332
333 void FileMapHeader::copy_base_archive_name(const char* archive) {
334 assert(base_archive_name_size() != 0, "_base_archive_name_size not set");
335 assert(base_archive_name_offset() != 0, "_base_archive_name_offset not set");
336 assert(header_size() > sizeof(*this), "_base_archive_name_size not included in header size?");
337 memcpy((char*)this + base_archive_name_offset(), archive, base_archive_name_size());
338 }
339
340 void FileMapHeader::print(outputStream* st) {
341 ResourceMark rm;
342
343 st->print_cr("- magic: 0x%08x", magic());
344 st->print_cr("- crc: 0x%08x", crc());
345 st->print_cr("- version: 0x%x", version());
346 st->print_cr("- header_size: " UINT32_FORMAT, header_size());
347 st->print_cr("- base_archive_name_offset: " UINT32_FORMAT, base_archive_name_offset());
348 st->print_cr("- base_archive_name_size: " UINT32_FORMAT, base_archive_name_size());
349
350 for (int i = 0; i < NUM_CDS_REGIONS; i++) {
380 st->print_cr("- mapped_heap_header");
381 st->print_cr(" - root_segments");
382 st->print_cr(" - roots_count: %d", _mapped_heap_header.root_segments().roots_count());
383 st->print_cr(" - base_offset: 0x%zx", _mapped_heap_header.root_segments().base_offset());
384 st->print_cr(" - count: %zu", _mapped_heap_header.root_segments().count());
385 st->print_cr(" - max_size_elems: %d", _mapped_heap_header.root_segments().max_size_in_elems());
386 st->print_cr(" - max_size_bytes: %zu", _mapped_heap_header.root_segments().max_size_in_bytes());
387 st->print_cr(" - oopmap_start_pos: %zu", _mapped_heap_header.oopmap_start_pos());
388 st->print_cr(" - oopmap_ptrmap_pos: %zu", _mapped_heap_header.ptrmap_start_pos());
389 st->print_cr("- streamed_heap_header");
390 st->print_cr(" - forwarding_offset: %zu", _streamed_heap_header.forwarding_offset());
391 st->print_cr(" - roots_offset: %zu", _streamed_heap_header.roots_offset());
392 st->print_cr(" - num_roots: %zu", _streamed_heap_header.num_roots());
393 st->print_cr(" - root_highest_object_index_table_offset: %zu", _streamed_heap_header.root_highest_object_index_table_offset());
394 st->print_cr(" - num_archived_objects: %zu", _streamed_heap_header.num_archived_objects());
395
396 st->print_cr("- _rw_ptrmap_start_pos: %zu", _rw_ptrmap_start_pos);
397 st->print_cr("- _ro_ptrmap_start_pos: %zu", _ro_ptrmap_start_pos);
398 st->print_cr("- use_optimized_module_handling: %d", _use_optimized_module_handling);
399 st->print_cr("- has_full_module_graph %d", _has_full_module_graph);
400 st->print_cr("- has_valhalla_patched_classes %d", _has_valhalla_patched_classes);
401 _must_match.print(st);
402 st->print_cr("- has_aot_linked_classes %d", _has_aot_linked_classes);
403 }
404
405 bool FileMapInfo::validate_class_location() {
406 assert(CDSConfig::is_using_archive(), "runtime only");
407
408 AOTClassLocationConfig* config = header()->class_location_config();
409 bool has_extra_module_paths = false;
410 if (!config->validate(full_path(), header()->has_aot_linked_classes(), &has_extra_module_paths)) {
411 if (PrintSharedArchiveAndExit) {
412 AOTMetaspace::set_archive_loading_failed();
413 return true;
414 } else {
415 return false;
416 }
417 }
418
419 if (header()->has_full_module_graph() && has_extra_module_paths) {
420 CDSConfig::stop_using_optimized_module_handling();
421 AOTMetaspace::report_loading_error("optimized module handling: disabled because extra module path(s) are specified");
765 if (strncmp(actual_ident, expected_ident, JVM_IDENT_MAX-1) != 0) {
766 aot_log_info(aot)("_jvm_ident expected: %s", expected_ident);
767 aot_log_info(aot)(" actual: %s", actual_ident);
768 aot_log_warning(aot)("The %s was created by a different"
769 " version or build of HotSpot", file_type);
770 return false;
771 }
772
773 _file_offset = header()->header_size(); // accounts for the size of _base_archive_name
774
775 size_t len = os::lseek(fd, 0, SEEK_END);
776
777 for (int i = 0; i < AOTMetaspace::n_regions; i++) {
778 FileMapRegion* r = region_at(i);
779 if (r->file_offset() > len || len - r->file_offset() < r->used()) {
780 aot_log_warning(aot)("The %s has been truncated.", file_type);
781 return false;
782 }
783 }
784
785 if (!header()->check_must_match_flags()) {
786 return false;
787 }
788
789 return true;
790 }
791
792 void FileMapInfo::seek_to_position(size_t pos) {
793 if (os::lseek(_fd, (long)pos, SEEK_SET) < 0) {
794 aot_log_error(aot)("Unable to seek to position %zu", pos);
795 AOTMetaspace::unrecoverable_loading_error();
796 }
797 }
798
799 // Read the FileMapInfo information from the file.
800 bool FileMapInfo::open_for_read() {
801 if (_file_open) {
802 return true;
803 }
804 const char* file_type = CDSConfig::type_of_archive_being_loaded();
805 const char* info = CDSConfig::is_dumping_final_static_archive() ?
806 "AOTConfiguration file " : "";
807 aot_log_info(aot)("trying to map %s%s", info, _full_path);
808 int fd = os::open(_full_path, O_RDONLY | O_BINARY, 0);
1974 // For backwards compatibility, we don't check the BytecodeVerificationRemote setting
1975 // if the archive only contains system classes.
1976 if (_has_platform_or_app_classes
1977 && !_verify_remote // we didn't verify the archived platform/app classes
1978 && BytecodeVerificationRemote) { // but we want to verify all loaded platform/app classes
1979 aot_log_info(aot)("The %s was created with less restrictive "
1980 "verification setting than the current setting.", file_type);
1981 // Pretend that we didn't have any archived platform/app classes, so they won't be loaded
1982 // by SystemDictionaryShared.
1983 _has_platform_or_app_classes = false;
1984 }
1985
1986 aot_log_info(aot)("The %s was created with UseCompressedOops = %d, UseCompressedClassPointers = %d, UseCompactObjectHeaders = %d",
1987 file_type, compressed_oops(), compressed_class_pointers(), compact_headers());
1988 if (compressed_oops() != UseCompressedOops || compressed_class_pointers() != UseCompressedClassPointers) {
1989 aot_log_warning(aot)("Unable to use %s.\nThe saved state of UseCompressedOops and UseCompressedClassPointers is "
1990 "different from runtime, CDS will be disabled.", file_type);
1991 return false;
1992 }
1993
1994 if (is_static()) {
1995 const char* err = nullptr;
1996 if (Arguments::is_valhalla_enabled()) {
1997 if (!_has_valhalla_patched_classes) {
1998 err = "not created";
1999 }
2000 } else {
2001 if (_has_valhalla_patched_classes) {
2002 err = "created";
2003 }
2004 }
2005 if (err != nullptr) {
2006 log_warning(cds)("This archive was %s with --enable-preview. It is "
2007 "incompatible with the current JVM setting", err);
2008 return false;
2009 }
2010 }
2011
2012 if (compact_headers() != UseCompactObjectHeaders) {
2013 aot_log_warning(aot)("Unable to use %s.\nThe %s's UseCompactObjectHeaders setting (%s)"
2014 " does not equal the current UseCompactObjectHeaders setting (%s).", file_type, file_type,
2015 _compact_headers ? "enabled" : "disabled",
2016 UseCompactObjectHeaders ? "enabled" : "disabled");
2017 return false;
2018 }
2019
2020 if (!_use_optimized_module_handling && !CDSConfig::is_dumping_final_static_archive()) {
2021 CDSConfig::stop_using_optimized_module_handling();
2022 aot_log_info(aot)("optimized module handling: disabled because archive was created without optimized module handling");
2023 }
2024
2025 if (is_static()) {
2026 // Only the static archive can contain the full module graph.
2027 if (!_has_full_module_graph) {
2028 CDSConfig::stop_using_full_module_graph("archive was created without full module graph");
2029 }
2030 }
2031
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