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/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "precompiled.hpp"
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#include "aot/aotCodeHeap.hpp"
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#include "aot/aotLoader.hpp"
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#include "gc/g1/heapRegion.hpp"
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#include "gc/shared/gcLocker.hpp"
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#include "interpreter/abstractInterpreter.hpp"
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#include "jvmci/compilerRuntime.hpp"
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#include "jvmci/jvmciRuntime.hpp"
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#include "oops/method.hpp"
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#include "runtime/os.hpp"
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#include "runtime/sharedRuntime.hpp"
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#include "runtime/vm_operations.hpp"
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bool AOTLib::_narrow_oop_shift_initialized = false;
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int AOTLib::_narrow_oop_shift = 0;
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int AOTLib::_narrow_klass_shift = 0;
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address AOTLib::load_symbol(const char *name) {
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address symbol = (address) dlsym(_dl_handle, name);
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if (symbol == NULL) {
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tty->print_cr("Shared file %s error: missing %s", _name, name);
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vm_exit(1);
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}
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return symbol;
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}
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Klass* AOTCodeHeap::get_klass_from_got(const char* klass_name, int klass_len, const Method* method) {
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AOTKlassData* klass_data = (AOTKlassData*)_lib->load_symbol(klass_name);
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Klass* k = (Klass*)_metaspace_got[klass_data->_got_index];
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if (k == NULL) {
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Thread* thread = Thread::current();
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k = lookup_klass(klass_name, klass_len, method, thread);
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// Note, exceptions are cleared.
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if (k == NULL) {
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fatal("Shared file %s error: klass %s should be resolved already", _lib->name(), klass_name);
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vm_exit(1);
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}
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_metaspace_got[klass_data->_got_index] = k;
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}
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return k;
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}
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Klass* AOTCodeHeap::lookup_klass(const char* name, int len, const Method* method, Thread* thread) {
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ResourceMark rm(thread);
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assert(method != NULL, "incorrect call parameter");
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methodHandle caller(thread, (Method*)method);
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// Use class loader of aot method.
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Handle loader(thread, caller->method_holder()->class_loader());
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Handle protection_domain(thread, caller->method_holder()->protection_domain());
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// Ignore wrapping L and ;
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if (name[0] == 'L') {
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assert(len > 2, "small name %s", name);
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name++;
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len -= 2;
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}
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TempNewSymbol sym = SymbolTable::probe(name, len);
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if (sym == NULL) {
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log_debug(aot, class, resolve)("Probe failed for AOT class %s", name);
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return NULL;
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}
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Klass* k = SystemDictionary::find_instance_or_array_klass(sym, loader, protection_domain, thread);
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assert(!thread->has_pending_exception(), "should not throw");
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if (k != NULL) {
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log_info(aot, class, resolve)("%s %s (lookup)", caller->method_holder()->external_name(), k->external_name());
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}
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return k;
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}
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void AOTLib::handle_config_error(const char* format, ...) {
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if (PrintAOT) {
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va_list ap;
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va_start(ap, format);
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tty->vprint_cr(format, ap);
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va_end(ap);
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}
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if (UseAOTStrictLoading) {
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vm_exit(1);
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}
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_valid = false;
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}
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void AOTLib::verify_flag(bool aot_flag, bool flag, const char* name) {
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if (_valid && aot_flag != flag) {
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handle_config_error("Shared file %s error: %s has different value '%s' from current '%s'", _name, name , (aot_flag ? "true" : "false"), (flag ? "true" : "false"));
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}
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}
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void AOTLib::verify_flag(int aot_flag, int flag, const char* name) {
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if (_valid && aot_flag != flag) {
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handle_config_error("Shared file %s error: %s has different value '%d' from current '%d'", _name, name , aot_flag, flag);
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}
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}
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void AOTLib::verify_config() {
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GrowableArray<AOTLib*>* libraries = AOTLoader::libraries();
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for (GrowableArrayIterator<AOTLib*> lib = libraries->begin(); lib != libraries->end(); ++lib) {
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if ((*lib)->_config == _config) {
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handle_config_error("AOT library %s already loaded.", (*lib)->_name);
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return;
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}
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}
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if (_header->_version != AOTHeader::AOT_SHARED_VERSION) {
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handle_config_error("Invalid version of the shared file %s. Expected %d but was %d", _name, _header->_version, AOTHeader::AOT_SHARED_VERSION);
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return;
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}
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const char* aot_jvm_version = (const char*)_header + _header->_jvm_version_offset + 2;
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if (strcmp(aot_jvm_version, VM_Version::jre_release_version()) != 0) {
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handle_config_error("JVM version '%s' recorded in the shared file %s does not match current version '%s'", aot_jvm_version, _name, VM_Version::jre_release_version());
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return;
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}
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// Debug VM has different layout of runtime and metadata structures
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#ifdef ASSERT
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verify_flag(_config->_debug_VM, true, "Debug VM version");
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#else
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verify_flag(!(_config->_debug_VM), true, "Product VM version");
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#endif
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// Check configuration size
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verify_flag(_config->_config_size, AOTConfiguration::CONFIG_SIZE, "AOT configuration size");
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// Check flags
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verify_flag(_config->_useCompressedOops, UseCompressedOops, "UseCompressedOops");
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verify_flag(_config->_useCompressedClassPointers, UseCompressedClassPointers, "UseCompressedClassPointers");
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verify_flag(_config->_useG1GC, UseG1GC, "UseG1GC");
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verify_flag(_config->_useCMSGC, UseConcMarkSweepGC, "UseConcMarkSweepGC");
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verify_flag(_config->_useTLAB, UseTLAB, "UseTLAB");
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verify_flag(_config->_useBiasedLocking, UseBiasedLocking, "UseBiasedLocking");
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verify_flag(_config->_objectAlignment, ObjectAlignmentInBytes, "ObjectAlignmentInBytes");
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verify_flag(_config->_contendedPaddingWidth, ContendedPaddingWidth, "ContendedPaddingWidth");
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verify_flag(_config->_fieldsAllocationStyle, FieldsAllocationStyle, "FieldsAllocationStyle");
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verify_flag(_config->_compactFields, CompactFields, "CompactFields");
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verify_flag(_config->_enableContended, EnableContended, "EnableContended");
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verify_flag(_config->_restrictContended, RestrictContended, "RestrictContended");
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if (!TieredCompilation && _config->_tieredAOT) {
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handle_config_error("Shared file %s error: Expected to run with tiered compilation on", _name);
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}
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// Shifts are static values which initialized by 0 until java heap initialization.
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// AOT libs are loaded before heap initialized so shift values are not set.
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// It is okay since ObjectAlignmentInBytes flag which defines shifts value is set before AOT libs are loaded.
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// Set shifts value based on first AOT library config.
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if (UseCompressedOops && _valid) {
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if (!_narrow_oop_shift_initialized) {
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_narrow_oop_shift = _config->_narrowOopShift;
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if (UseCompressedClassPointers) { // It is set only if UseCompressedOops is set
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_narrow_klass_shift = _config->_narrowKlassShift;
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}
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_narrow_oop_shift_initialized = true;
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} else {
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verify_flag(_config->_narrowOopShift, _narrow_oop_shift, "aot_config->_narrowOopShift");
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if (UseCompressedClassPointers) { // It is set only if UseCompressedOops is set
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verify_flag(_config->_narrowKlassShift, _narrow_klass_shift, "aot_config->_narrowKlassShift");
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}
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}
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}
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}
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AOTLib::~AOTLib() {
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free((void*) _name);
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}
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AOTCodeHeap::~AOTCodeHeap() {
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if (_classes != NULL) {
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FREE_C_HEAP_ARRAY(AOTClass, _classes);
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}
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if (_code_to_aot != NULL) {
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FREE_C_HEAP_ARRAY(CodeToAMethod, _code_to_aot);
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}
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}
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AOTLib::AOTLib(void* handle, const char* name, int dso_id) : _valid(true), _dl_handle(handle), _dso_id(dso_id) {
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_name = (const char*) strdup(name);
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// Verify that VM runs with the same parameters as AOT tool.
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_config = (AOTConfiguration*) load_symbol("JVM.config");
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_header = (AOTHeader*) load_symbol("JVM.header");
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verify_config();
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if (!_valid && PrintAOT) {
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tty->print("%7d ", (int) tty->time_stamp().milliseconds());
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tty->print_cr("%4d skipped %s aot library", _dso_id, _name);
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}
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}
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AOTCodeHeap::AOTCodeHeap(AOTLib* lib) :
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CodeHeap("CodeHeap 'AOT'", CodeBlobType::AOT), _lib(lib), _classes(NULL), _code_to_aot(NULL) {
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assert(_lib->is_valid(), "invalid library");
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_lib_symbols_initialized = false;
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_aot_id = 0;
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_class_count = _lib->header()->_class_count;
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_method_count = _lib->header()->_method_count;
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// Collect metaspace info: names -> address in .got section
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_metaspace_names = (const char*) _lib->load_symbol("JVM.metaspace.names");
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_method_metadata = (address) _lib->load_symbol("JVM.method.metadata");
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_methods_offsets = (address) _lib->load_symbol("JVM.methods.offsets");
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_klasses_offsets = (address) _lib->load_symbol("JVM.klasses.offsets");
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_dependencies = (address) _lib->load_symbol("JVM.klasses.dependencies");
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_code_space = (address) _lib->load_symbol("JVM.text");
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// First cell is number of elements.
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jlong* got_sect;
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_metaspace_got = (Metadata**) _lib->load_symbol("JVM.metaspace.got");
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_metaspace_got_size = _lib->header()->_metaspace_got_size;
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_metadata_got = (Metadata**) _lib->load_symbol("JVM.metadata.got");
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_metadata_got_size = _lib->header()->_metadata_got_size;
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_oop_got = (oop*) _lib->load_symbol("JVM.oop.got");
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_oop_got_size = _lib->header()->_oop_got_size;
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// Collect stubs info
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_stubs_offsets = (int*) _lib->load_symbol("JVM.stubs.offsets");
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// code segments table
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_code_segments = (address) _lib->load_symbol("JVM.code.segments");
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// method state
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_method_state = (jlong*) _lib->load_symbol("JVM.method.state");
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// Create a table for mapping classes
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_classes = NEW_C_HEAP_ARRAY(AOTClass, _class_count, mtCode);
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memset(_classes, 0, _class_count * sizeof(AOTClass));
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// Create table for searching AOTCompiledMethod based on pc.
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_code_to_aot = NEW_C_HEAP_ARRAY(CodeToAMethod, _method_count, mtCode);
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memset(_code_to_aot, 0, _method_count * sizeof(CodeToAMethod));
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_low_boundary = _code_space;
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_memory.set_low_boundary((char *)_code_space);
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_memory.set_high_boundary((char *)_code_space);
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_memory.set_low((char *)_code_space);
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_memory.set_high((char *)_code_space);
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_segmap.set_low_boundary((char *)_code_segments);
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_segmap.set_low((char *)_code_segments);
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_log2_segment_size = exact_log2(_lib->config()->_codeSegmentSize);
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// Register aot stubs
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register_stubs();
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if (PrintAOT || (PrintCompilation && PrintAOT)) {
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tty->print("%7d ", (int) tty->time_stamp().milliseconds());
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tty->print_cr("%4d loaded %s aot library", _lib->id(), _lib->name());
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}
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}
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void AOTCodeHeap::publish_aot(const methodHandle& mh, AOTMethodData* method_data, int code_id) {
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// The method may be explicitly excluded by the user.
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// Or Interpreter uses an intrinsic for this method.
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if (CompilerOracle::should_exclude(mh) || !AbstractInterpreter::can_be_compiled(mh)) {
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return;
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}
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address code = method_data->_code;
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const char* name = method_data->_name;
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aot_metadata* meta = method_data->_meta;
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if (meta->scopes_pcs_begin() == meta->scopes_pcs_end()) {
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// When the AOT compiler compiles something big we fail to generate metadata
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// in CodeInstaller::gather_metadata. In that case the scopes_pcs_begin == scopes_pcs_end.
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// In all successful cases we always have 2 entries of scope pcs.
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return;
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}
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jlong* state_adr = &_method_state[code_id];
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address metadata_table = method_data->_metadata_table;
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int metadata_size = method_data->_metadata_size;
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assert(code_id < _method_count, "sanity");
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_aot_id++;
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#ifdef ASSERT
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if (_aot_id > CIStop || _aot_id < CIStart) {
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// Skip compilation
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return;
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}
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#endif
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// Check one more time.
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if (_code_to_aot[code_id]._state == invalid) {
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return;
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}
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AOTCompiledMethod *aot = new AOTCompiledMethod(code, mh(), meta, metadata_table, metadata_size, state_adr, this, name, code_id, _aot_id);
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assert(_code_to_aot[code_id]._aot == NULL, "should be not initialized");
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_code_to_aot[code_id]._aot = aot; // Should set this first
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if (Atomic::cmpxchg(in_use, (jint*)&_code_to_aot[code_id]._state, not_set) != not_set) {
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_code_to_aot[code_id]._aot = NULL; // Clean
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} else { // success
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// Publish method
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#ifdef TIERED
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mh->set_aot_code(aot);
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#endif
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Method::set_code(mh, aot);
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if (PrintAOT || (PrintCompilation && PrintAOT)) {
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aot->print_on(tty, NULL);
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}
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// Publish oop only after we are visible to CompiledMethodIterator
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aot->set_oop(mh()->method_holder()->klass_holder());
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}
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}
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void AOTCodeHeap::link_primitive_array_klasses() {
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ResourceMark rm;
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for (int i = T_BOOLEAN; i <= T_CONFLICT; i++) {
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BasicType t = (BasicType)i;
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if (is_java_primitive(t)) {
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const Klass* arr_klass = Universe::typeArrayKlassObj(t);
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AOTKlassData* klass_data = (AOTKlassData*) dlsym(_lib->dl_handle(), arr_klass->signature_name());
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if (klass_data != NULL) {
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// Set both GOT cells, resolved and initialized klass pointers.
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// _got_index points to second cell - resolved klass pointer.
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_metaspace_got[klass_data->_got_index-1] = (Metadata*)arr_klass; // Initialized
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_metaspace_got[klass_data->_got_index ] = (Metadata*)arr_klass; // Resolved
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if (PrintAOT) {
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tty->print_cr("[Found %s in %s]", arr_klass->internal_name(), _lib->name());
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}
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350 |
}
|
|
351 |
}
|
|
352 |
}
|
|
353 |
}
|
|
354 |
|
|
355 |
void AOTCodeHeap::register_stubs() {
|
|
356 |
int stubs_count = _stubs_offsets[0]; // contains number
|
|
357 |
_stubs_offsets++;
|
|
358 |
AOTMethodOffsets* stub_offsets = (AOTMethodOffsets*)_stubs_offsets;
|
|
359 |
for (int i = 0; i < stubs_count; ++i) {
|
|
360 |
const char* stub_name = _metaspace_names + stub_offsets[i]._name_offset;
|
|
361 |
address entry = _code_space + stub_offsets[i]._code_offset;
|
|
362 |
aot_metadata* meta = (aot_metadata *) (_method_metadata + stub_offsets[i]._meta_offset);
|
|
363 |
address metadata_table = (address)_metadata_got + stub_offsets[i]._metadata_got_offset;
|
|
364 |
int metadata_size = stub_offsets[i]._metadata_got_size;
|
|
365 |
int code_id = stub_offsets[i]._code_id;
|
|
366 |
assert(code_id < _method_count, "sanity");
|
|
367 |
jlong* state_adr = &_method_state[code_id];
|
|
368 |
int len = build_u2_from((address)stub_name);
|
|
369 |
stub_name += 2;
|
|
370 |
char* full_name = NEW_C_HEAP_ARRAY(char, len+5, mtCode);
|
|
371 |
if (full_name == NULL) { // No memory?
|
|
372 |
break;
|
|
373 |
}
|
|
374 |
memcpy(full_name, "AOT ", 4);
|
|
375 |
memcpy(full_name+4, stub_name, len);
|
|
376 |
full_name[len+4] = 0;
|
|
377 |
guarantee(_code_to_aot[code_id]._state != invalid, "stub %s can't be invalidated", full_name);
|
|
378 |
AOTCompiledMethod* aot = new AOTCompiledMethod(entry, NULL, meta, metadata_table, metadata_size, state_adr, this, full_name, code_id, i);
|
|
379 |
assert(_code_to_aot[code_id]._aot == NULL, "should be not initialized");
|
|
380 |
_code_to_aot[code_id]._aot = aot;
|
|
381 |
if (Atomic::cmpxchg(in_use, (jint*)&_code_to_aot[code_id]._state, not_set) != not_set) {
|
|
382 |
fatal("stab '%s' code state is %d", full_name, _code_to_aot[code_id]._state);
|
|
383 |
}
|
|
384 |
// Adjust code buffer boundaries only for stubs because they are last in the buffer.
|
|
385 |
adjust_boundaries(aot);
|
|
386 |
if (PrintAOT && Verbose) {
|
|
387 |
aot->print_on(tty, NULL);
|
|
388 |
}
|
|
389 |
}
|
|
390 |
}
|
|
391 |
|
|
392 |
#define SET_AOT_GLOBAL_SYMBOL_VALUE(AOTSYMNAME, AOTSYMTYPE, VMSYMVAL) \
|
|
393 |
{ \
|
|
394 |
char* error; \
|
|
395 |
/* Clear any existing error */ \
|
|
396 |
dlerror(); \
|
|
397 |
AOTSYMTYPE * adr = (AOTSYMTYPE *) dlsym(_lib->dl_handle(), AOTSYMNAME); \
|
|
398 |
/* Check for any dlsym lookup error */ \
|
|
399 |
error = dlerror(); \
|
|
400 |
guarantee(error == NULL, "%s", error); \
|
|
401 |
*adr = (AOTSYMTYPE) VMSYMVAL; \
|
|
402 |
}
|
|
403 |
|
|
404 |
void AOTCodeHeap::link_graal_runtime_symbols() {
|
|
405 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_monitorenter", address, JVMCIRuntime::monitorenter);
|
|
406 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_monitorexit", address, JVMCIRuntime::monitorexit);
|
|
407 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_object", address, JVMCIRuntime::log_object);
|
|
408 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_printf", address, JVMCIRuntime::log_printf);
|
|
409 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_primitive", address, JVMCIRuntime::log_primitive);
|
|
410 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_instance", address, JVMCIRuntime::new_instance);
|
|
411 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_array", address, JVMCIRuntime::new_array);
|
|
412 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_multi_array", address, JVMCIRuntime::new_multi_array);
|
|
413 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_dynamic_new_array", address, JVMCIRuntime::dynamic_new_array);
|
|
414 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_validate_object", address, JVMCIRuntime::validate_object);
|
|
415 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_write_barrier_pre", address, JVMCIRuntime::write_barrier_pre);
|
|
416 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_identity_hash_code", address, JVMCIRuntime::identity_hash_code);
|
|
417 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_write_barrier_post", address, JVMCIRuntime::write_barrier_post);
|
|
418 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_dynamic_new_instance", address, JVMCIRuntime::dynamic_new_instance);
|
|
419 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_thread_is_interrupted", address, JVMCIRuntime::thread_is_interrupted);
|
|
420 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_exception_handler_for_pc", address, JVMCIRuntime::exception_handler_for_pc);
|
|
421 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_test_deoptimize_call_int", address, JVMCIRuntime::test_deoptimize_call_int);
|
|
422 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_and_post_jvmti_exception", address, JVMCIRuntime::throw_and_post_jvmti_exception);
|
|
423 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_klass_external_name_exception", address, JVMCIRuntime::throw_klass_external_name_exception);
|
|
424 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_class_cast_exception", address, JVMCIRuntime::throw_class_cast_exception);
|
|
425 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_vm_message", address, JVMCIRuntime::vm_message);
|
|
426 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_vm_error", address, JVMCIRuntime::vm_error);
|
|
427 |
}
|
|
428 |
|
|
429 |
void AOTCodeHeap::link_shared_runtime_symbols() {
|
|
430 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_static_entry", address, SharedRuntime::get_resolve_static_call_stub());
|
|
431 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_virtual_entry", address, SharedRuntime::get_resolve_virtual_call_stub());
|
|
432 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_opt_virtual_entry", address, SharedRuntime::get_resolve_opt_virtual_call_stub());
|
|
433 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_deopt_blob_unpack", address, SharedRuntime::deopt_blob()->unpack());
|
|
434 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_deopt_blob_uncommon_trap", address, SharedRuntime::deopt_blob()->uncommon_trap());
|
|
435 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_ic_miss_stub", address, SharedRuntime::get_ic_miss_stub());
|
|
436 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_handle_wrong_method_stub", address, SharedRuntime::get_handle_wrong_method_stub());
|
|
437 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_exception_handler_for_return_address", address, SharedRuntime::exception_handler_for_return_address);
|
|
438 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_register_finalizer", address, SharedRuntime::register_finalizer);
|
|
439 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_OSR_migration_end", address, SharedRuntime::OSR_migration_end);
|
|
440 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_string_by_symbol", address, CompilerRuntime::resolve_string_by_symbol);
|
|
441 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_klass_by_symbol", address, CompilerRuntime::resolve_klass_by_symbol);
|
|
442 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_method_by_symbol_and_load_counters", address, CompilerRuntime::resolve_method_by_symbol_and_load_counters);
|
|
443 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_initialize_klass_by_symbol", address, CompilerRuntime::initialize_klass_by_symbol);
|
|
444 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_invocation_event", address, CompilerRuntime::invocation_event);
|
|
445 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_backedge_event", address, CompilerRuntime::backedge_event);
|
|
446 |
|
|
447 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dpow", address, SharedRuntime::dpow);
|
|
448 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dexp", address, SharedRuntime::dexp);
|
|
449 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dcos", address, SharedRuntime::dcos);
|
|
450 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dsin", address, SharedRuntime::dsin);
|
|
451 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dtan", address, SharedRuntime::dtan);
|
|
452 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dlog", address, SharedRuntime::dlog);
|
|
453 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dlog10", address, SharedRuntime::dlog10);
|
|
454 |
}
|
|
455 |
|
|
456 |
void AOTCodeHeap::link_stub_routines_symbols() {
|
|
457 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jbyte_arraycopy", address, StubRoutines::_jbyte_arraycopy);
|
|
458 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jshort_arraycopy", address, StubRoutines::_jshort_arraycopy);
|
|
459 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jint_arraycopy", address, StubRoutines::_jint_arraycopy);
|
|
460 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jlong_arraycopy", address, StubRoutines::_jlong_arraycopy);
|
|
461 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_arraycopy", address, StubRoutines::_oop_arraycopy);
|
|
462 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_arraycopy_uninit", address, StubRoutines::_oop_arraycopy_uninit);
|
|
463 |
|
|
464 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jbyte_disjoint_arraycopy", address, StubRoutines::_jbyte_disjoint_arraycopy);
|
|
465 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jshort_disjoint_arraycopy", address, StubRoutines::_jshort_disjoint_arraycopy);
|
|
466 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jint_disjoint_arraycopy", address, StubRoutines::_jint_disjoint_arraycopy);
|
|
467 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jlong_disjoint_arraycopy", address, StubRoutines::_jlong_disjoint_arraycopy);
|
|
468 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_disjoint_arraycopy", address, StubRoutines::_oop_disjoint_arraycopy);
|
|
469 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_disjoint_arraycopy_uninit", address, StubRoutines::_oop_disjoint_arraycopy_uninit);
|
|
470 |
|
|
471 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jbyte_arraycopy", address, StubRoutines::_arrayof_jbyte_arraycopy);
|
|
472 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jshort_arraycopy", address, StubRoutines::_arrayof_jshort_arraycopy);
|
|
473 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jint_arraycopy", address, StubRoutines::_arrayof_jint_arraycopy);
|
|
474 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jlong_arraycopy", address, StubRoutines::_arrayof_jlong_arraycopy);
|
|
475 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_arraycopy", address, StubRoutines::_arrayof_oop_arraycopy);
|
|
476 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_arraycopy_uninit", address, StubRoutines::_arrayof_oop_arraycopy_uninit);
|
|
477 |
|
|
478 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jbyte_disjoint_arraycopy", address, StubRoutines::_arrayof_jbyte_disjoint_arraycopy);
|
|
479 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jshort_disjoint_arraycopy", address, StubRoutines::_arrayof_jshort_disjoint_arraycopy);
|
|
480 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jint_disjoint_arraycopy", address, StubRoutines::_arrayof_jint_disjoint_arraycopy);
|
|
481 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jlong_disjoint_arraycopy", address, StubRoutines::_arrayof_jlong_disjoint_arraycopy);
|
|
482 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_disjoint_arraycopy", address, StubRoutines::_arrayof_oop_disjoint_arraycopy);
|
|
483 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_disjoint_arraycopy_uninit", address, StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit);
|
|
484 |
|
|
485 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_checkcast_arraycopy", address, StubRoutines::_checkcast_arraycopy);
|
|
486 |
|
|
487 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_aescrypt_encryptBlock", address, StubRoutines::_aescrypt_encryptBlock);
|
|
488 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_aescrypt_decryptBlock", address, StubRoutines::_aescrypt_decryptBlock);
|
|
489 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_cipherBlockChaining_encryptAESCrypt", address, StubRoutines::_cipherBlockChaining_encryptAESCrypt);
|
|
490 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_cipherBlockChaining_decryptAESCrypt", address, StubRoutines::_cipherBlockChaining_decryptAESCrypt);
|
|
491 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_update_bytes_crc32", address, StubRoutines::_updateBytesCRC32);
|
|
492 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_crc_table_adr", address, StubRoutines::_crc_table_adr);
|
|
493 |
|
|
494 |
|
|
495 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha1_implCompress", address, StubRoutines::_sha1_implCompress);
|
|
496 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha1_implCompressMB", address, StubRoutines::_sha1_implCompressMB);
|
|
497 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha256_implCompress", address, StubRoutines::_sha256_implCompress);
|
|
498 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha256_implCompressMB", address, StubRoutines::_sha256_implCompressMB);
|
|
499 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha512_implCompress", address, StubRoutines::_sha512_implCompress);
|
|
500 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha512_implCompressMB", address, StubRoutines::_sha512_implCompressMB);
|
|
501 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_multiplyToLen", address, StubRoutines::_multiplyToLen);
|
|
502 |
|
|
503 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_counterMode_AESCrypt", address, StubRoutines::_counterMode_AESCrypt);
|
|
504 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_ghash_processBlocks", address, StubRoutines::_ghash_processBlocks);
|
|
505 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_crc32c_table_addr", address, StubRoutines::_crc32c_table_addr);
|
|
506 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_updateBytesCRC32C", address, StubRoutines::_updateBytesCRC32C);
|
|
507 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_updateBytesAdler32", address, StubRoutines::_updateBytesAdler32);
|
|
508 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_squareToLen", address, StubRoutines::_squareToLen);
|
|
509 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_mulAdd", address, StubRoutines::_mulAdd);
|
|
510 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_montgomeryMultiply", address, StubRoutines::_montgomeryMultiply);
|
|
511 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_montgomerySquare", address, StubRoutines::_montgomerySquare);
|
|
512 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_vectorizedMismatch", address, StubRoutines::_vectorizedMismatch);
|
|
513 |
|
|
514 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_throw_delayed_StackOverflowError_entry", address, StubRoutines::_throw_delayed_StackOverflowError_entry);
|
|
515 |
|
|
516 |
}
|
|
517 |
|
|
518 |
void AOTCodeHeap::link_os_symbols() {
|
|
519 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_os_javaTimeMillis", address, os::javaTimeMillis);
|
|
520 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_os_javaTimeNanos", address, os::javaTimeNanos);
|
|
521 |
}
|
|
522 |
|
|
523 |
/*
|
|
524 |
* Link any global symbols in precompiled DSO with dlopen() _dl_handle
|
|
525 |
* dso_handle.
|
|
526 |
*/
|
|
527 |
|
|
528 |
void AOTCodeHeap::link_global_lib_symbols() {
|
|
529 |
if (!_lib_symbols_initialized) {
|
|
530 |
_lib_symbols_initialized = true;
|
|
531 |
|
|
532 |
CollectedHeap* heap = Universe::heap();
|
|
533 |
CardTableModRefBS* ct = (CardTableModRefBS*)(heap->barrier_set());
|
|
534 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_card_table_address", address, ct->byte_map_base);
|
|
535 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_heap_top_address", address, (heap->supports_inline_contig_alloc() ? heap->top_addr() : NULL));
|
|
536 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_heap_end_address", address, (heap->supports_inline_contig_alloc() ? heap->end_addr() : NULL));
|
|
537 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_polling_page", address, os::get_polling_page());
|
|
538 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_narrow_klass_base_address", address, Universe::narrow_klass_base());
|
|
539 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_log_of_heap_region_grain_bytes", int, HeapRegion::LogOfHRGrainBytes);
|
|
540 |
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_inline_contiguous_allocation_supported", bool, heap->supports_inline_contig_alloc());
|
|
541 |
link_shared_runtime_symbols();
|
|
542 |
link_stub_routines_symbols();
|
|
543 |
link_os_symbols();
|
|
544 |
link_graal_runtime_symbols();
|
|
545 |
|
|
546 |
// Link primitive array klasses.
|
|
547 |
link_primitive_array_klasses();
|
|
548 |
}
|
|
549 |
}
|
|
550 |
|
|
551 |
#ifndef PRODUCT
|
|
552 |
int AOTCodeHeap::klasses_seen = 0;
|
|
553 |
int AOTCodeHeap::aot_klasses_found = 0;
|
|
554 |
int AOTCodeHeap::aot_klasses_fp_miss = 0;
|
|
555 |
int AOTCodeHeap::aot_klasses_cl_miss = 0;
|
|
556 |
int AOTCodeHeap::aot_methods_found = 0;
|
|
557 |
|
|
558 |
void AOTCodeHeap::print_statistics() {
|
|
559 |
tty->print_cr("Classes seen: %d AOT classes found: %d AOT methods found: %d", klasses_seen, aot_klasses_found, aot_methods_found);
|
|
560 |
tty->print_cr("AOT fingerprint mismatches: %d AOT class loader mismatches: %d", aot_klasses_fp_miss, aot_klasses_cl_miss);
|
|
561 |
}
|
|
562 |
#endif
|
|
563 |
|
|
564 |
Method* AOTCodeHeap::find_method(KlassHandle klass, Thread* thread, const char* method_name) {
|
|
565 |
int method_name_len = build_u2_from((address)method_name);
|
|
566 |
method_name += 2;
|
|
567 |
const char* signature_name = method_name + method_name_len;
|
|
568 |
int signature_name_len = build_u2_from((address)signature_name);
|
|
569 |
signature_name += 2;
|
|
570 |
// The class should have been loaded so the method and signature should already be
|
|
571 |
// in the symbol table. If they're not there, the method doesn't exist.
|
|
572 |
TempNewSymbol name = SymbolTable::probe(method_name, method_name_len);
|
|
573 |
TempNewSymbol signature = SymbolTable::probe(signature_name, signature_name_len);
|
|
574 |
|
|
575 |
Method* m;
|
|
576 |
if (name == NULL || signature == NULL) {
|
|
577 |
m = NULL;
|
|
578 |
} else if (name == vmSymbols::object_initializer_name() ||
|
|
579 |
name == vmSymbols::class_initializer_name()) {
|
|
580 |
// Never search superclasses for constructors
|
|
581 |
if (klass->is_instance_klass()) {
|
|
582 |
m = InstanceKlass::cast(klass())->find_method(name, signature);
|
|
583 |
} else {
|
|
584 |
m = NULL;
|
|
585 |
}
|
|
586 |
} else {
|
|
587 |
m = klass->lookup_method(name, signature);
|
|
588 |
if (m == NULL && klass->is_instance_klass()) {
|
|
589 |
m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature);
|
|
590 |
}
|
|
591 |
}
|
|
592 |
if (m == NULL) {
|
|
593 |
// Fatal error because we assume classes and methods should not be changed since aot compilation.
|
|
594 |
const char* klass_name = klass->external_name();
|
|
595 |
int klass_len = (int)strlen(klass_name);
|
|
596 |
char* meta_name = NEW_RESOURCE_ARRAY(char, klass_len + 1 + method_name_len + signature_name_len + 1);
|
|
597 |
memcpy(meta_name, klass_name, klass_len);
|
|
598 |
meta_name[klass_len] = '.';
|
|
599 |
memcpy(&meta_name[klass_len + 1], method_name, method_name_len);
|
|
600 |
memcpy(&meta_name[klass_len + 1 + method_name_len], signature_name, signature_name_len);
|
|
601 |
meta_name[klass_len + 1 + method_name_len + signature_name_len] = '\0';
|
|
602 |
Handle exception = Exceptions::new_exception(thread, vmSymbols::java_lang_NoSuchMethodError(), meta_name);
|
|
603 |
java_lang_Throwable::print(exception, tty);
|
|
604 |
tty->cr();
|
|
605 |
java_lang_Throwable::print_stack_trace(exception(), tty);
|
|
606 |
tty->cr();
|
|
607 |
fatal("Failed to find method '%s'", meta_name);
|
|
608 |
}
|
|
609 |
NOT_PRODUCT( aot_methods_found++; )
|
|
610 |
return m;
|
|
611 |
}
|
|
612 |
|
|
613 |
AOTKlassData* AOTCodeHeap::find_klass(InstanceKlass* ik) {
|
|
614 |
ResourceMark rm;
|
|
615 |
AOTKlassData* klass_data = (AOTKlassData*) dlsym(_lib->dl_handle(), ik->signature_name());
|
|
616 |
return klass_data;
|
|
617 |
}
|
|
618 |
|
|
619 |
bool AOTCodeHeap::is_dependent_method(Klass* dependee, AOTCompiledMethod* aot) {
|
|
620 |
InstanceKlass *dependee_ik = InstanceKlass::cast(dependee);
|
|
621 |
AOTKlassData* klass_data = find_klass(dependee_ik);
|
|
622 |
if (klass_data == NULL) {
|
|
623 |
return false; // no AOT records for this class - no dependencies
|
|
624 |
}
|
|
625 |
if (!dependee_ik->has_passed_fingerprint_check()) {
|
|
626 |
return false; // different class
|
|
627 |
}
|
|
628 |
|
|
629 |
int methods_offset = klass_data->_dependent_methods_offset;
|
|
630 |
if (methods_offset >= 0) {
|
|
631 |
address methods_cnt_adr = _dependencies + methods_offset;
|
|
632 |
int methods_cnt = *(int*)methods_cnt_adr;
|
|
633 |
int* indexes = (int*)(methods_cnt_adr + 4);
|
|
634 |
for (int i = 0; i < methods_cnt; ++i) {
|
|
635 |
int code_id = indexes[i];
|
|
636 |
if (_code_to_aot[code_id]._aot == aot) {
|
|
637 |
return true; // found dependent method
|
|
638 |
}
|
|
639 |
}
|
|
640 |
}
|
|
641 |
return false;
|
|
642 |
}
|
|
643 |
|
|
644 |
void AOTCodeHeap::sweep_dependent_methods(AOTKlassData* klass_data) {
|
|
645 |
// Make dependent methods non_entrant forever.
|
|
646 |
int methods_offset = klass_data->_dependent_methods_offset;
|
|
647 |
if (methods_offset >= 0) {
|
|
648 |
int marked = 0;
|
|
649 |
address methods_cnt_adr = _dependencies + methods_offset;
|
|
650 |
int methods_cnt = *(int*)methods_cnt_adr;
|
|
651 |
int* indexes = (int*)(methods_cnt_adr + 4);
|
|
652 |
for (int i = 0; i < methods_cnt; ++i) {
|
|
653 |
int code_id = indexes[i];
|
|
654 |
// Invalidate aot code.
|
|
655 |
if (Atomic::cmpxchg(invalid, (jint*)&_code_to_aot[code_id]._state, not_set) != not_set) {
|
|
656 |
if (_code_to_aot[code_id]._state == in_use) {
|
|
657 |
AOTCompiledMethod* aot = _code_to_aot[code_id]._aot;
|
|
658 |
assert(aot != NULL, "aot should be set");
|
|
659 |
if (!aot->is_runtime_stub()) { // Something is wrong - should not invalidate stubs.
|
|
660 |
aot->mark_for_deoptimization(false);
|
|
661 |
marked++;
|
|
662 |
}
|
|
663 |
}
|
|
664 |
}
|
|
665 |
}
|
|
666 |
if (marked > 0) {
|
|
667 |
VM_Deoptimize op;
|
|
668 |
VMThread::execute(&op);
|
|
669 |
}
|
|
670 |
}
|
|
671 |
}
|
|
672 |
|
|
673 |
bool AOTCodeHeap::load_klass_data(instanceKlassHandle kh, Thread* thread) {
|
|
674 |
ResourceMark rm;
|
|
675 |
|
|
676 |
NOT_PRODUCT( klasses_seen++; )
|
|
677 |
|
|
678 |
AOTKlassData* klass_data = find_klass(kh());
|
|
679 |
if (klass_data == NULL) {
|
|
680 |
return false;
|
|
681 |
}
|
|
682 |
|
|
683 |
if (!kh->has_passed_fingerprint_check()) {
|
|
684 |
NOT_PRODUCT( aot_klasses_fp_miss++; )
|
|
685 |
log_trace(aot, class, fingerprint)("class %s%s has bad fingerprint in %s tid=" INTPTR_FORMAT,
|
|
686 |
kh->internal_name(), kh->is_shared() ? " (shared)" : "",
|
|
687 |
_lib->name(), p2i(thread));
|
|
688 |
sweep_dependent_methods(klass_data);
|
|
689 |
return false;
|
|
690 |
}
|
|
691 |
|
|
692 |
if (kh->has_been_redefined()) {
|
|
693 |
log_trace(aot, class, load)("class %s%s in %s has been redefined tid=" INTPTR_FORMAT,
|
|
694 |
kh->internal_name(), kh->is_shared() ? " (shared)" : "",
|
|
695 |
_lib->name(), p2i(thread));
|
|
696 |
sweep_dependent_methods(klass_data);
|
|
697 |
return false;
|
|
698 |
}
|
|
699 |
|
|
700 |
assert(klass_data->_class_id < _class_count, "invalid class id");
|
|
701 |
AOTClass* aot_class = &_classes[klass_data->_class_id];
|
|
702 |
if (aot_class->_classloader != NULL && aot_class->_classloader != kh->class_loader_data()) {
|
|
703 |
log_trace(aot, class, load)("class %s in %s already loaded for classloader %p vs %p tid=" INTPTR_FORMAT,
|
|
704 |
kh->internal_name(), _lib->name(), aot_class->_classloader, kh->class_loader_data(), p2i(thread));
|
|
705 |
NOT_PRODUCT( aot_klasses_cl_miss++; )
|
|
706 |
return false;
|
|
707 |
}
|
|
708 |
|
|
709 |
NOT_PRODUCT( aot_klasses_found++; )
|
|
710 |
|
|
711 |
log_trace(aot, class, load)("found %s in %s for classloader %p tid=" INTPTR_FORMAT, kh->internal_name(), _lib->name(), kh->class_loader_data(), p2i(thread));
|
|
712 |
|
|
713 |
aot_class->_classloader = kh->class_loader_data();
|
|
714 |
// Set klass's Resolve (second) got cell.
|
|
715 |
_metaspace_got[klass_data->_got_index] = kh();
|
|
716 |
|
|
717 |
// Initialize global symbols of the DSO to the correspondingVM symbol values.
|
|
718 |
link_global_lib_symbols();
|
|
719 |
|
|
720 |
int methods_offset = klass_data->_compiled_methods_offset;
|
|
721 |
if (methods_offset >= 0) {
|
|
722 |
address methods_cnt_adr = _methods_offsets + methods_offset;
|
|
723 |
int methods_cnt = *(int*)methods_cnt_adr;
|
|
724 |
// Collect data about compiled methods
|
|
725 |
AOTMethodData* methods_data = NEW_RESOURCE_ARRAY(AOTMethodData, methods_cnt);
|
|
726 |
AOTMethodOffsets* methods_offsets = (AOTMethodOffsets*)(methods_cnt_adr + 4);
|
|
727 |
for (int i = 0; i < methods_cnt; ++i) {
|
|
728 |
AOTMethodOffsets* method_offsets = &methods_offsets[i];
|
|
729 |
int code_id = method_offsets->_code_id;
|
|
730 |
if (_code_to_aot[code_id]._state == invalid) {
|
|
731 |
continue; // skip AOT methods slots which have been invalidated
|
|
732 |
}
|
|
733 |
AOTMethodData* method_data = &methods_data[i];
|
|
734 |
const char* aot_name = _metaspace_names + method_offsets->_name_offset;
|
|
735 |
method_data->_name = aot_name;
|
|
736 |
method_data->_code = _code_space + method_offsets->_code_offset;
|
|
737 |
method_data->_meta = (aot_metadata*)(_method_metadata + method_offsets->_meta_offset);
|
|
738 |
method_data->_metadata_table = (address)_metadata_got + method_offsets->_metadata_got_offset;
|
|
739 |
method_data->_metadata_size = method_offsets->_metadata_got_size;
|
|
740 |
// aot_name format: "<u2_size>Ljava/lang/ThreadGroup;<u2_size>addUnstarted<u2_size>()V"
|
|
741 |
int klass_len = build_u2_from((address)aot_name);
|
|
742 |
const char* method_name = aot_name + 2 + klass_len;
|
|
743 |
Method* m = AOTCodeHeap::find_method(kh, thread, method_name);
|
|
744 |
methodHandle mh(thread, m);
|
|
745 |
if (mh->code() != NULL) { // Does it have already compiled code?
|
|
746 |
continue; // Don't overwrite
|
|
747 |
}
|
|
748 |
publish_aot(mh, method_data, code_id);
|
|
749 |
}
|
|
750 |
}
|
|
751 |
return true;
|
|
752 |
}
|
|
753 |
|
|
754 |
AOTCompiledMethod* AOTCodeHeap::next_in_use_at(int start) const {
|
|
755 |
for (int index = start; index < _method_count; index++) {
|
|
756 |
if (_code_to_aot[index]._state != in_use) {
|
|
757 |
continue; // Skip uninitialized entries.
|
|
758 |
}
|
|
759 |
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
|
760 |
return aot;
|
|
761 |
}
|
|
762 |
return NULL;
|
|
763 |
}
|
|
764 |
|
|
765 |
void* AOTCodeHeap::first() const {
|
|
766 |
return next_in_use_at(0);
|
|
767 |
}
|
|
768 |
|
|
769 |
void* AOTCodeHeap::next(void* p) const {
|
|
770 |
AOTCompiledMethod *aot = (AOTCompiledMethod *)p;
|
|
771 |
int next_index = aot->method_index() + 1;
|
|
772 |
assert(next_index <= _method_count, "");
|
|
773 |
if (next_index == _method_count) {
|
|
774 |
return NULL;
|
|
775 |
}
|
|
776 |
return next_in_use_at(next_index);
|
|
777 |
}
|
|
778 |
|
|
779 |
void* AOTCodeHeap::find_start(void* p) const {
|
|
780 |
if (!contains(p)) {
|
|
781 |
return NULL;
|
|
782 |
}
|
|
783 |
size_t offset = pointer_delta(p, low_boundary(), 1);
|
|
784 |
// Use segments table
|
|
785 |
size_t seg_idx = offset / _lib->config()->_codeSegmentSize;
|
|
786 |
if ((int)(_code_segments[seg_idx]) == 0xff) {
|
|
787 |
return NULL;
|
|
788 |
}
|
|
789 |
while (_code_segments[seg_idx] > 0) {
|
|
790 |
seg_idx -= (int)_code_segments[seg_idx];
|
|
791 |
}
|
|
792 |
int code_offset = (int)seg_idx * _lib->config()->_codeSegmentSize;
|
|
793 |
int aot_index = *(int*)(_code_space + code_offset);
|
|
794 |
AOTCompiledMethod* aot = _code_to_aot[aot_index]._aot;
|
|
795 |
assert(aot != NULL, "should find registered aot method");
|
|
796 |
return aot;
|
|
797 |
}
|
|
798 |
|
|
799 |
AOTCompiledMethod* AOTCodeHeap::find_aot(address p) const {
|
|
800 |
assert(contains(p), "should be here");
|
|
801 |
return (AOTCompiledMethod *)find_start(p);
|
|
802 |
}
|
|
803 |
|
|
804 |
CodeBlob* AOTCodeHeap::find_blob_unsafe(void* start) const {
|
|
805 |
return (CodeBlob*)AOTCodeHeap::find_start(start);
|
|
806 |
}
|
|
807 |
|
|
808 |
void AOTCodeHeap::oops_do(OopClosure* f) {
|
|
809 |
for (int i = 0; i < _oop_got_size; i++) {
|
|
810 |
oop* p = &_oop_got[i];
|
|
811 |
if (*p == NULL) continue; // skip non-oops
|
|
812 |
f->do_oop(p);
|
|
813 |
}
|
|
814 |
for (int index = 0; index < _method_count; index++) {
|
|
815 |
if (_code_to_aot[index]._state != in_use) {
|
|
816 |
continue; // Skip uninitialized entries.
|
|
817 |
}
|
|
818 |
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
|
819 |
aot->do_oops(f);
|
|
820 |
}
|
|
821 |
}
|
|
822 |
|
|
823 |
// Yes, this is faster than going through the relocations,
|
|
824 |
// but there are two problems:
|
|
825 |
// 1) GOT slots are sometimes patched with non-Metadata values
|
|
826 |
// 2) We don't want to scan metadata for dead methods
|
|
827 |
// Unfortunately we don't know if the metadata belongs to
|
|
828 |
// live aot methods or not, so process them all. If this
|
|
829 |
// is for mark_on_stack, some old methods may stick around
|
|
830 |
// forever instead of getting cleaned up.
|
|
831 |
void AOTCodeHeap::got_metadata_do(void f(Metadata*)) {
|
|
832 |
for (int i = 1; i < _metaspace_got_size; i++) {
|
|
833 |
Metadata** p = &_metaspace_got[i];
|
|
834 |
Metadata* md = *p;
|
|
835 |
if (md == NULL) continue; // skip non-oops
|
|
836 |
intptr_t meta = (intptr_t)md;
|
|
837 |
if (meta == -1) continue; // skip non-oops
|
|
838 |
if (Metaspace::contains(md)) {
|
|
839 |
f(md);
|
|
840 |
}
|
|
841 |
}
|
|
842 |
for (int i = 1; i < _metadata_got_size; i++) {
|
|
843 |
Metadata** p = &_metadata_got[i];
|
|
844 |
Metadata* md = *p;
|
|
845 |
intptr_t meta = (intptr_t)md;
|
|
846 |
if ((meta & 1) == 1) {
|
|
847 |
// already resolved
|
|
848 |
md = (Metadata*)(meta & ~1);
|
|
849 |
} else {
|
|
850 |
continue;
|
|
851 |
}
|
|
852 |
if (md == NULL) continue; // skip non-oops
|
|
853 |
if (Metaspace::contains(md)) {
|
|
854 |
f(md);
|
|
855 |
}
|
|
856 |
}
|
|
857 |
}
|
|
858 |
|
|
859 |
void AOTCodeHeap::cleanup_inline_caches() {
|
|
860 |
for (int index = 0; index < _method_count; index++) {
|
|
861 |
if (_code_to_aot[index]._state != in_use) {
|
|
862 |
continue; // Skip uninitialized entries.
|
|
863 |
}
|
|
864 |
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
|
865 |
aot->cleanup_inline_caches();
|
|
866 |
}
|
|
867 |
}
|
|
868 |
|
|
869 |
#ifdef ASSERT
|
|
870 |
int AOTCodeHeap::verify_icholder_relocations() {
|
|
871 |
int count = 0;
|
|
872 |
for (int index = 0; index < _method_count; index++) {
|
|
873 |
if (_code_to_aot[index]._state != in_use) {
|
|
874 |
continue; // Skip uninitialized entries.
|
|
875 |
}
|
|
876 |
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
|
877 |
count += aot->verify_icholder_relocations();
|
|
878 |
}
|
|
879 |
return count;
|
|
880 |
}
|
|
881 |
#endif
|
|
882 |
|
|
883 |
void AOTCodeHeap::flush_evol_dependents_on(instanceKlassHandle dependee) {
|
|
884 |
for (int index = 0; index < _method_count; index++) {
|
|
885 |
if (_code_to_aot[index]._state != in_use) {
|
|
886 |
continue; // Skip uninitialized entries.
|
|
887 |
}
|
|
888 |
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
|
889 |
aot->flush_evol_dependents_on(dependee);
|
|
890 |
}
|
|
891 |
}
|
|
892 |
|
|
893 |
void AOTCodeHeap::metadata_do(void f(Metadata*)) {
|
|
894 |
for (int index = 0; index < _method_count; index++) {
|
|
895 |
if (_code_to_aot[index]._state != in_use) {
|
|
896 |
continue; // Skip uninitialized entries.
|
|
897 |
}
|
|
898 |
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
|
899 |
if (aot->_is_alive()) {
|
|
900 |
aot->metadata_do(f);
|
|
901 |
}
|
|
902 |
}
|
|
903 |
#if 0
|
|
904 |
// With the marking above, this call doesn't seem to be needed
|
|
905 |
got_metadata_do(f);
|
|
906 |
#endif
|
|
907 |
}
|