< prev index next > src/hotspot/share/cds/aotMetaspace.cpp
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* questions.
*
*/
#include "cds/aotArtifactFinder.hpp"
+ #include "cds/aotCacheAccess.hpp"
#include "cds/aotClassInitializer.hpp"
#include "cds/aotClassLinker.hpp"
#include "cds/aotClassLocation.hpp"
#include "cds/aotConstantPoolResolver.hpp"
#include "cds/aotLinkedClassBulkLoader.hpp"
#include "classfile/systemDictionaryShared.hpp"
#include "classfile/vmClasses.hpp"
#include "classfile/vmSymbols.hpp"
#include "code/aotCodeCache.hpp"
#include "code/codeCache.hpp"
+ #include "compiler/compileBroker.hpp"
+ #include "compiler/precompiler.hpp"
#include "gc/shared/gcVMOperations.hpp"
#include "interpreter/bytecodes.hpp"
#include "interpreter/bytecodeStream.hpp"
#include "jvm_io.h"
#include "logging/log.hpp"
#include "memory/universe.hpp"
#include "nmt/memTracker.hpp"
#include "oops/compressedKlass.hpp"
#include "oops/instanceMirrorKlass.hpp"
#include "oops/klass.inline.hpp"
+ #include "oops/method.inline.hpp"
#include "oops/objArrayOop.hpp"
#include "oops/oop.inline.hpp"
#include "oops/oopHandle.hpp"
#include "oops/trainingData.hpp"
#include "prims/jvmtiExport.hpp"
+ #include "prims/whitebox.hpp"
#include "runtime/arguments.hpp"
#include "runtime/globals.hpp"
#include "runtime/globals_extension.hpp"
#include "runtime/handles.inline.hpp"
#include "runtime/javaCalls.hpp"
#include "runtime/safepointVerifiers.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/vmOperations.hpp"
#include "runtime/vmThread.hpp"
#include "sanitizers/leak.hpp"
+ #include "services/management.hpp"
#include "utilities/align.hpp"
#include "utilities/bitMap.inline.hpp"
#include "utilities/defaultStream.hpp"
#include "utilities/hashTable.hpp"
#include "utilities/macros.hpp"
void* AOTMetaspace::_aot_metaspace_static_top = nullptr;
intx AOTMetaspace::_relocation_delta;
char* AOTMetaspace::_requested_base_address;
Array<Method*>* AOTMetaspace::_archived_method_handle_intrinsics = nullptr;
bool AOTMetaspace::_use_optimized_module_handling = true;
+ int volatile AOTMetaspace::_preimage_static_archive_dumped = 0;
+ jlong AOTMetaspace::_preimage_static_archive_recording_duration = 0;
// The CDS archive is divided into the following regions:
// rw - read-write metadata
// ro - read-only metadata and read-only tables
// hp - heap region
return aligned_base;
}
void AOTMetaspace::initialize_for_static_dump() {
assert(CDSConfig::is_dumping_static_archive(), "sanity");
+
+ if (CDSConfig::is_dumping_preimage_static_archive() || CDSConfig::is_dumping_final_static_archive()) {
+ if (!((UseG1GC || UseParallelGC || UseSerialGC || UseEpsilonGC || UseShenandoahGC) && UseCompressedClassPointers)) {
+ const char* error;
+ if (CDSConfig::is_dumping_preimage_static_archive()) {
+ error = "Cannot create the AOT configuration file";
+ } else {
+ error = "Cannot create the AOT cache";
+ }
+
+ vm_exit_during_initialization(error,
+ "UseCompressedClassPointers must be enabled, and collector must be G1, Parallel, Serial, Epsilon, or Shenandoah");
+ }
+ }
+
aot_log_info(aot)("Core region alignment: %zu", core_region_alignment());
// The max allowed size for CDS archive. We use this to limit SharedBaseAddress
// to avoid address space wrap around.
size_t cds_max;
const size_t reserve_alignment = core_region_alignment();
OopHandle mirror = mirrors->at(i);
InstanceKlass* ik = java_lang_Class::as_InstanceKlass(mirror.resolve());
if (may_be_eagerly_linked(ik)) {
has_linked |= try_link_class(current, ik);
}
+ if (CDSConfig::is_dumping_heap() && ik->is_linked() && !ik->is_initialized()) {
+ AOTClassInitializer::maybe_preinit_class(ik, current);
+ }
}
if (!has_linked) {
break;
}
const GrowableArray<OopHandle>* mirrors = collect_classes.mirrors();
for (int i = 0; i < mirrors->length(); i++) {
OopHandle mirror = mirrors->at(i);
InstanceKlass* ik = java_lang_Class::as_InstanceKlass(mirror.resolve());
AOTConstantPoolResolver::preresolve_string_cp_entries(ik, CHECK);
+ if (CDSConfig::is_dumping_preimage_static_archive()) {
+ FinalImageRecipes::add_reflection_data_flags(ik, CHECK);
+ }
}
}
}
void AOTMetaspace::dump_static_archive(TRAPS) {
CDSConfig::DumperThreadMark dumper_thread_mark(THREAD);
ResourceMark rm(THREAD);
HandleMark hm(THREAD);
- if (CDSConfig::is_dumping_final_static_archive() && AOTPrintTrainingInfo) {
- tty->print_cr("==================== archived_training_data ** before dumping ====================");
- TrainingData::print_archived_training_data_on(tty);
- }
+ if (CDSConfig::is_dumping_final_static_archive() && AOTPrintTrainingInfo) {
+ tty->print_cr("==================== archived_training_data ** before dumping ====================");
+ TrainingData::print_archived_training_data_on(tty);
+ }
StaticArchiveBuilder builder;
dump_static_archive_impl(builder, THREAD);
if (HAS_PENDING_EXCEPTION) {
if (PENDING_EXCEPTION->is_a(vmClasses::OutOfMemoryError_klass())) {
// Exercise FileSystem and URL code
CDSProtectionDomain::to_file_URL("dummy.jar", Handle(), CHECK);
}
+ bool AOTMetaspace::is_recording_preimage_static_archive() {
+ if (CDSConfig::is_dumping_preimage_static_archive()) {
+ return _preimage_static_archive_dumped == 0;
+ }
+ return false;
+ }
+
+ jlong AOTMetaspace::get_preimage_static_archive_recording_duration() {
+ if (CDSConfig::is_dumping_preimage_static_archive()) {
+ if (_preimage_static_archive_recording_duration == 0) {
+ // The recording has not yet finished so return the current elapsed time.
+ return Management::ticks_to_ms(os::elapsed_counter());
+ }
+ return _preimage_static_archive_recording_duration;
+ }
+ return 0;
+ }
+
void AOTMetaspace::dump_static_archive_impl(StaticArchiveBuilder& builder, TRAPS) {
+ if (CDSConfig::is_dumping_preimage_static_archive()) {
+ if (AtomicAccess::cmpxchg(&_preimage_static_archive_dumped, 0, 1) != 0) {
+ return;
+ }
+ _preimage_static_archive_recording_duration = Management::ticks_to_ms(os::elapsed_counter());
+ }
+
if (CDSConfig::is_dumping_classic_static_archive()) {
// We are running with -Xshare:dump
load_classes(CHECK);
if (SharedArchiveConfigFile) {
if (CDSConfig::is_dumping_full_module_graph()) {
ClassLoaderDataShared::ensure_module_entry_tables_exist();
HeapShared::reset_archived_object_states(CHECK);
}
+ if (ArchiveLoaderLookupCache) {
+ SystemDictionaryShared::create_loader_positive_lookup_cache(CHECK);
+ }
+
AOTReferenceObjSupport::initialize(CHECK);
AOTReferenceObjSupport::stabilize_cached_reference_objects(CHECK);
if (CDSConfig::is_initing_classes_at_dump_time()) {
// java.lang.Class::reflectionFactory cannot be archived yet. We set this field
}
#endif
VM_PopulateDumpSharedSpace op(builder);
VMThread::execute(&op);
+ FileMapInfo* mapinfo = op.map_info();
+ ArchiveHeapInfo* heap_info = op.heap_info();
+
+ if (CDSConfig::is_dumping_final_static_archive()) {
+ if (AOTCodeCache::is_caching_enabled()) {
+ if (log_is_enabled(Info, cds, jit)) {
+ AOTCacheAccess::test_heap_access_api();
+ }
+
+ // We have just created the final image. Let's run the AOT compiler
+ if (AOTPrintTrainingInfo) {
+ tty->print_cr("==================== archived_training_data ** after dumping ====================");
+ TrainingData::print_archived_training_data_on(tty);
+ }
- if (AOTCodeCache::is_on_for_dump() && CDSConfig::is_dumping_final_static_archive()) {
- CDSConfig::enable_dumping_aot_code();
- {
- builder.start_ac_region();
- // Write the contents to AOT code region and close AOTCodeCache before packing the region
- AOTCodeCache::close();
- builder.end_ac_region();
+ {
+ builder.start_ac_region();
+ if (AOTCodeCache::is_dumping_code()) {
+ CDSConfig::enable_dumping_aot_code();
+ log_info(aot)("Compiling AOT code");
+ Precompiler::compile_aot_code(&builder, CHECK);
+ log_info(aot)("Finished compiling AOT code");
+ CDSConfig::disable_dumping_aot_code();
+ }
+ // Write the contents to aot code region and close AOTCodeCache before packing the region
+ AOTCodeCache::close();
+ log_info(aot)("Dumped AOT code Cache");
+ builder.end_ac_region();
+ }
}
- CDSConfig::disable_dumping_aot_code();
}
- bool status = write_static_archive(&builder, op.map_info(), op.heap_info());
+ bool status = write_static_archive(&builder, mapinfo, heap_info);
if (status && CDSConfig::is_dumping_preimage_static_archive()) {
tty->print_cr("%s AOTConfiguration recorded: %s",
CDSConfig::has_temp_aot_config_file() ? "Temporary" : "", AOTConfiguration);
if (CDSConfig::is_single_command_training()) {
fork_and_dump_final_static_archive(CHECK);
}
void VM_PopulateDumpSharedSpace::dump_java_heap_objects() {
if (CDSConfig::is_dumping_heap()) {
HeapShared::write_heap(&_heap_info);
- } else {
+ } else if (!CDSConfig::is_dumping_preimage_static_archive()) {
CDSConfig::log_reasons_for_not_dumping_heap();
}
}
void AOTMetaspace::set_aot_metaspace_range(void* base, void *static_top, void* top) {
void AOTMetaspace::initialize_runtime_shared_and_meta_spaces() {
assert(CDSConfig::is_using_archive(), "Must be called when UseSharedSpaces is enabled");
MapArchiveResult result = MAP_ARCHIVE_OTHER_FAILURE;
- FileMapInfo* static_mapinfo = open_static_archive();
+ FileMapInfo* static_mapinfo = FileMapInfo::current_info();
FileMapInfo* dynamic_mapinfo = nullptr;
if (static_mapinfo != nullptr) {
aot_log_info(aot)("Core region alignment: %zu", static_mapinfo->core_region_alignment());
dynamic_mapinfo = open_dynamic_archive();
if (dynamic_mapinfo != nullptr && !dynamic_mapinfo->is_mapped()) {
has_failed = true;
delete dynamic_mapinfo;
}
if (RequireSharedSpaces && has_failed) {
+ // static archive mapped but dynamic archive failed
AOTMetaspace::unrecoverable_loading_error("Unable to map shared spaces");
}
}
- FileMapInfo* AOTMetaspace::open_static_archive() {
+ // This is called very early at VM start up to get the size of the cached_code region
+ void AOTMetaspace::open_static_archive() {
+ if (!UseSharedSpaces) { // FIXME -- is this still needed??
+ return;
+ }
const char* static_archive = CDSConfig::input_static_archive_path();
assert(static_archive != nullptr, "sanity");
FileMapInfo* mapinfo = new FileMapInfo(static_archive, true);
if (!mapinfo->open_as_input()) {
delete(mapinfo);
log_info(cds)("Opening of static archive %s failed", static_archive);
- return nullptr;
+ } else {
+ FileMapRegion* r = mapinfo->region_at(AOTMetaspace::ac);
+ AOTCacheAccess::set_aot_code_region_size(r->used_aligned());
}
- return mapinfo;
}
FileMapInfo* AOTMetaspace::open_dynamic_archive() {
if (CDSConfig::is_dumping_dynamic_archive()) {
return nullptr;
assert(CDSConfig::is_using_archive(), "must be runtime");
if (mapinfo == nullptr) {
return MAP_ARCHIVE_SUCCESS; // The dynamic archive has not been specified. No error has happened -- trivially succeeded.
}
+ if (!mapinfo->validate_aot_class_linking()) {
+ return MAP_ARCHIVE_OTHER_FAILURE;
+ }
+
mapinfo->set_is_mapped(false);
if (mapinfo->core_region_alignment() != (size_t)core_region_alignment()) {
report_loading_error("Unable to map CDS archive -- core_region_alignment() expected: %zu"
" actual: %zu", mapinfo->core_region_alignment(), core_region_alignment());
return MAP_ARCHIVE_OTHER_FAILURE;
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