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8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
This commit is contained in:
Erik Joelsson
parent
270fe13182
commit
3789983e89
56923 changed files with 3 additions and 15727 deletions
891
src/hotspot/share/aot/aotCodeHeap.cpp
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891
src/hotspot/share/aot/aotCodeHeap.cpp
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/*
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* Copyright (c) 2016, 2017, 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 "classfile/javaAssertions.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) os::dll_lookup(_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*)_klasses_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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_klasses_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->_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("A.config");
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_header = (AOTHeader*) load_symbol("A.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("A.meta.names");
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_method_metadata = (address) _lib->load_symbol("A.meth.metadata");
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_methods_offsets = (address) _lib->load_symbol("A.meth.offsets");
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_klasses_offsets = (address) _lib->load_symbol("A.kls.offsets");
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_dependencies = (address) _lib->load_symbol("A.kls.dependencies");
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_code_space = (address) _lib->load_symbol("A.text");
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// First cell is number of elements.
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_klasses_got = (Metadata**) _lib->load_symbol("A.kls.got");
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_klasses_got_size = _lib->header()->_klasses_got_size;
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_metadata_got = (Metadata**) _lib->load_symbol("A.meta.got");
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_metadata_got_size = _lib->header()->_metadata_got_size;
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_oop_got = (oop*) _lib->load_symbol("A.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("A.stubs.offsets");
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// code segments table
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_code_segments = (address) _lib->load_symbol("A.code.segments");
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// method state
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_method_state = (jlong*) _lib->load_symbol("A.meth.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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_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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log_info(aot, class, resolve)("Failed to load %s (no metadata available)", mh->name_and_sig_as_C_string());
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_code_to_aot[code_id]._state = invalid;
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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, &_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*) os::dll_lookup(_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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_klasses_got[klass_data->_got_index-1] = (Metadata*)arr_klass; // Initialized
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_klasses_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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}
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}
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}
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}
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void AOTCodeHeap::register_stubs() {
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int stubs_count = _stubs_offsets[0]; // contains number
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_stubs_offsets++;
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AOTMethodOffsets* stub_offsets = (AOTMethodOffsets*)_stubs_offsets;
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for (int i = 0; i < stubs_count; ++i) {
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const char* stub_name = _metaspace_names + stub_offsets[i]._name_offset;
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address entry = _code_space + stub_offsets[i]._code_offset;
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aot_metadata* meta = (aot_metadata *) (_method_metadata + stub_offsets[i]._meta_offset);
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address metadata_table = (address)_metadata_got + stub_offsets[i]._metadata_got_offset;
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int metadata_size = stub_offsets[i]._metadata_got_size;
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int code_id = stub_offsets[i]._code_id;
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assert(code_id < _method_count, "sanity");
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jlong* state_adr = &_method_state[code_id];
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int len = build_u2_from((address)stub_name);
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stub_name += 2;
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char* full_name = NEW_C_HEAP_ARRAY(char, len+5, mtCode);
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if (full_name == NULL) { // No memory?
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break;
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}
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memcpy(full_name, "AOT ", 4);
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memcpy(full_name+4, stub_name, len);
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full_name[len+4] = 0;
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guarantee(_code_to_aot[code_id]._state != invalid, "stub %s can't be invalidated", full_name);
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AOTCompiledMethod* aot = new AOTCompiledMethod(entry, NULL, meta, metadata_table, metadata_size, state_adr, this, full_name, code_id, i);
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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;
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if (Atomic::cmpxchg(in_use, &_code_to_aot[code_id]._state, not_set) != not_set) {
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fatal("stab '%s' code state is %d", full_name, _code_to_aot[code_id]._state);
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}
|
||||
// Adjust code buffer boundaries only for stubs because they are last in the buffer.
|
||||
adjust_boundaries(aot);
|
||||
if (PrintAOT && Verbose) {
|
||||
aot->print_on(tty, NULL);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#define SET_AOT_GLOBAL_SYMBOL_VALUE(AOTSYMNAME, AOTSYMTYPE, VMSYMVAL) \
|
||||
{ \
|
||||
AOTSYMTYPE * adr = (AOTSYMTYPE *) os::dll_lookup(_lib->dl_handle(), AOTSYMNAME); \
|
||||
/* Check for a lookup error */ \
|
||||
guarantee(adr != NULL, "AOT Symbol not found %s", AOTSYMNAME); \
|
||||
*adr = (AOTSYMTYPE) VMSYMVAL; \
|
||||
}
|
||||
|
||||
void AOTCodeHeap::link_graal_runtime_symbols() {
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_monitorenter", address, JVMCIRuntime::monitorenter);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_monitorexit", address, JVMCIRuntime::monitorexit);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_object", address, JVMCIRuntime::log_object);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_printf", address, JVMCIRuntime::log_printf);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_primitive", address, JVMCIRuntime::log_primitive);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_instance", address, JVMCIRuntime::new_instance);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_array", address, JVMCIRuntime::new_array);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_multi_array", address, JVMCIRuntime::new_multi_array);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_dynamic_new_array", address, JVMCIRuntime::dynamic_new_array);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_validate_object", address, JVMCIRuntime::validate_object);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_write_barrier_pre", address, JVMCIRuntime::write_barrier_pre);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_identity_hash_code", address, JVMCIRuntime::identity_hash_code);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_write_barrier_post", address, JVMCIRuntime::write_barrier_post);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_dynamic_new_instance", address, JVMCIRuntime::dynamic_new_instance);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_thread_is_interrupted", address, JVMCIRuntime::thread_is_interrupted);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_exception_handler_for_pc", address, JVMCIRuntime::exception_handler_for_pc);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_test_deoptimize_call_int", address, JVMCIRuntime::test_deoptimize_call_int);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_and_post_jvmti_exception", address, JVMCIRuntime::throw_and_post_jvmti_exception);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_klass_external_name_exception", address, JVMCIRuntime::throw_klass_external_name_exception);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_class_cast_exception", address, JVMCIRuntime::throw_class_cast_exception);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_vm_message", address, JVMCIRuntime::vm_message);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_vm_error", address, JVMCIRuntime::vm_error);
|
||||
}
|
||||
|
||||
void AOTCodeHeap::link_shared_runtime_symbols() {
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_static_entry", address, SharedRuntime::get_resolve_static_call_stub());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_virtual_entry", address, SharedRuntime::get_resolve_virtual_call_stub());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_opt_virtual_entry", address, SharedRuntime::get_resolve_opt_virtual_call_stub());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_deopt_blob_unpack", address, SharedRuntime::deopt_blob()->unpack());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_deopt_blob_uncommon_trap", address, SharedRuntime::deopt_blob()->uncommon_trap());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_ic_miss_stub", address, SharedRuntime::get_ic_miss_stub());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_handle_wrong_method_stub", address, SharedRuntime::get_handle_wrong_method_stub());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_exception_handler_for_return_address", address, SharedRuntime::exception_handler_for_return_address);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_register_finalizer", address, SharedRuntime::register_finalizer);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_OSR_migration_end", address, SharedRuntime::OSR_migration_end);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_string_by_symbol", address, CompilerRuntime::resolve_string_by_symbol);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_klass_by_symbol", address, CompilerRuntime::resolve_klass_by_symbol);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_method_by_symbol_and_load_counters", address, CompilerRuntime::resolve_method_by_symbol_and_load_counters);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_initialize_klass_by_symbol", address, CompilerRuntime::initialize_klass_by_symbol);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_invocation_event", address, CompilerRuntime::invocation_event);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_backedge_event", address, CompilerRuntime::backedge_event);
|
||||
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dpow", address, SharedRuntime::dpow);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dexp", address, SharedRuntime::dexp);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dcos", address, SharedRuntime::dcos);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dsin", address, SharedRuntime::dsin);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dtan", address, SharedRuntime::dtan);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dlog", address, SharedRuntime::dlog);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dlog10", address, SharedRuntime::dlog10);
|
||||
}
|
||||
|
||||
void AOTCodeHeap::link_stub_routines_symbols() {
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jbyte_arraycopy", address, StubRoutines::_jbyte_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jshort_arraycopy", address, StubRoutines::_jshort_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jint_arraycopy", address, StubRoutines::_jint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jlong_arraycopy", address, StubRoutines::_jlong_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_arraycopy", address, StubRoutines::_oop_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_arraycopy_uninit", address, StubRoutines::_oop_arraycopy_uninit);
|
||||
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jbyte_disjoint_arraycopy", address, StubRoutines::_jbyte_disjoint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jshort_disjoint_arraycopy", address, StubRoutines::_jshort_disjoint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jint_disjoint_arraycopy", address, StubRoutines::_jint_disjoint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jlong_disjoint_arraycopy", address, StubRoutines::_jlong_disjoint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_disjoint_arraycopy", address, StubRoutines::_oop_disjoint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_disjoint_arraycopy_uninit", address, StubRoutines::_oop_disjoint_arraycopy_uninit);
|
||||
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jbyte_arraycopy", address, StubRoutines::_arrayof_jbyte_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jshort_arraycopy", address, StubRoutines::_arrayof_jshort_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jint_arraycopy", address, StubRoutines::_arrayof_jint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jlong_arraycopy", address, StubRoutines::_arrayof_jlong_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_arraycopy", address, StubRoutines::_arrayof_oop_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_arraycopy_uninit", address, StubRoutines::_arrayof_oop_arraycopy_uninit);
|
||||
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jbyte_disjoint_arraycopy", address, StubRoutines::_arrayof_jbyte_disjoint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jshort_disjoint_arraycopy", address, StubRoutines::_arrayof_jshort_disjoint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jint_disjoint_arraycopy", address, StubRoutines::_arrayof_jint_disjoint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jlong_disjoint_arraycopy", address, StubRoutines::_arrayof_jlong_disjoint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_disjoint_arraycopy", address, StubRoutines::_arrayof_oop_disjoint_arraycopy);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_disjoint_arraycopy_uninit", address, StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit);
|
||||
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_unsafe_arraycopy", address, StubRoutines::_unsafe_arraycopy);
|
||||
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_checkcast_arraycopy", address, StubRoutines::_checkcast_arraycopy);
|
||||
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_aescrypt_encryptBlock", address, StubRoutines::_aescrypt_encryptBlock);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_aescrypt_decryptBlock", address, StubRoutines::_aescrypt_decryptBlock);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_cipherBlockChaining_encryptAESCrypt", address, StubRoutines::_cipherBlockChaining_encryptAESCrypt);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_cipherBlockChaining_decryptAESCrypt", address, StubRoutines::_cipherBlockChaining_decryptAESCrypt);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_update_bytes_crc32", address, StubRoutines::_updateBytesCRC32);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_crc_table_adr", address, StubRoutines::_crc_table_adr);
|
||||
|
||||
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha1_implCompress", address, StubRoutines::_sha1_implCompress);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha1_implCompressMB", address, StubRoutines::_sha1_implCompressMB);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha256_implCompress", address, StubRoutines::_sha256_implCompress);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha256_implCompressMB", address, StubRoutines::_sha256_implCompressMB);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha512_implCompress", address, StubRoutines::_sha512_implCompress);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha512_implCompressMB", address, StubRoutines::_sha512_implCompressMB);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_multiplyToLen", address, StubRoutines::_multiplyToLen);
|
||||
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_counterMode_AESCrypt", address, StubRoutines::_counterMode_AESCrypt);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_ghash_processBlocks", address, StubRoutines::_ghash_processBlocks);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_crc32c_table_addr", address, StubRoutines::_crc32c_table_addr);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_updateBytesCRC32C", address, StubRoutines::_updateBytesCRC32C);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_updateBytesAdler32", address, StubRoutines::_updateBytesAdler32);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_squareToLen", address, StubRoutines::_squareToLen);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_mulAdd", address, StubRoutines::_mulAdd);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_montgomeryMultiply", address, StubRoutines::_montgomeryMultiply);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_montgomerySquare", address, StubRoutines::_montgomerySquare);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_vectorizedMismatch", address, StubRoutines::_vectorizedMismatch);
|
||||
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_throw_delayed_StackOverflowError_entry", address, StubRoutines::_throw_delayed_StackOverflowError_entry);
|
||||
|
||||
}
|
||||
|
||||
void AOTCodeHeap::link_os_symbols() {
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_os_javaTimeMillis", address, os::javaTimeMillis);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_os_javaTimeNanos", address, os::javaTimeNanos);
|
||||
}
|
||||
|
||||
/*
|
||||
* Link any global symbols in precompiled DSO with dlopen() _dl_handle
|
||||
* dso_handle.
|
||||
*/
|
||||
|
||||
void AOTCodeHeap::link_global_lib_symbols() {
|
||||
if (!_lib_symbols_initialized) {
|
||||
_lib_symbols_initialized = true;
|
||||
|
||||
CollectedHeap* heap = Universe::heap();
|
||||
CardTableModRefBS* ct = (CardTableModRefBS*)(heap->barrier_set());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_card_table_address", address, ct->byte_map_base);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_heap_top_address", address, (heap->supports_inline_contig_alloc() ? heap->top_addr() : NULL));
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_heap_end_address", address, (heap->supports_inline_contig_alloc() ? heap->end_addr() : NULL));
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_polling_page", address, os::get_polling_page());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_narrow_klass_base_address", address, Universe::narrow_klass_base());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_narrow_oop_base_address", address, Universe::narrow_oop_base());
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_log_of_heap_region_grain_bytes", int, HeapRegion::LogOfHRGrainBytes);
|
||||
SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_inline_contiguous_allocation_supported", bool, heap->supports_inline_contig_alloc());
|
||||
link_shared_runtime_symbols();
|
||||
link_stub_routines_symbols();
|
||||
link_os_symbols();
|
||||
link_graal_runtime_symbols();
|
||||
|
||||
// Link primitive array klasses.
|
||||
link_primitive_array_klasses();
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef PRODUCT
|
||||
int AOTCodeHeap::klasses_seen = 0;
|
||||
int AOTCodeHeap::aot_klasses_found = 0;
|
||||
int AOTCodeHeap::aot_klasses_fp_miss = 0;
|
||||
int AOTCodeHeap::aot_klasses_cl_miss = 0;
|
||||
int AOTCodeHeap::aot_methods_found = 0;
|
||||
|
||||
void AOTCodeHeap::print_statistics() {
|
||||
tty->print_cr("Classes seen: %d AOT classes found: %d AOT methods found: %d", klasses_seen, aot_klasses_found, aot_methods_found);
|
||||
tty->print_cr("AOT fingerprint mismatches: %d AOT class loader mismatches: %d", aot_klasses_fp_miss, aot_klasses_cl_miss);
|
||||
}
|
||||
#endif
|
||||
|
||||
Method* AOTCodeHeap::find_method(Klass* klass, Thread* thread, const char* method_name) {
|
||||
int method_name_len = build_u2_from((address)method_name);
|
||||
method_name += 2;
|
||||
const char* signature_name = method_name + method_name_len;
|
||||
int signature_name_len = build_u2_from((address)signature_name);
|
||||
signature_name += 2;
|
||||
// The class should have been loaded so the method and signature should already be
|
||||
// in the symbol table. If they're not there, the method doesn't exist.
|
||||
TempNewSymbol name = SymbolTable::probe(method_name, method_name_len);
|
||||
TempNewSymbol signature = SymbolTable::probe(signature_name, signature_name_len);
|
||||
|
||||
Method* m;
|
||||
if (name == NULL || signature == NULL) {
|
||||
m = NULL;
|
||||
} else if (name == vmSymbols::object_initializer_name() ||
|
||||
name == vmSymbols::class_initializer_name()) {
|
||||
// Never search superclasses for constructors
|
||||
if (klass->is_instance_klass()) {
|
||||
m = InstanceKlass::cast(klass)->find_method(name, signature);
|
||||
} else {
|
||||
m = NULL;
|
||||
}
|
||||
} else {
|
||||
m = klass->lookup_method(name, signature);
|
||||
if (m == NULL && klass->is_instance_klass()) {
|
||||
m = InstanceKlass::cast(klass)->lookup_method_in_ordered_interfaces(name, signature);
|
||||
}
|
||||
}
|
||||
if (m == NULL) {
|
||||
// Fatal error because we assume classes and methods should not be changed since aot compilation.
|
||||
const char* klass_name = klass->external_name();
|
||||
int klass_len = (int)strlen(klass_name);
|
||||
char* meta_name = NEW_RESOURCE_ARRAY(char, klass_len + 1 + method_name_len + signature_name_len + 1);
|
||||
memcpy(meta_name, klass_name, klass_len);
|
||||
meta_name[klass_len] = '.';
|
||||
memcpy(&meta_name[klass_len + 1], method_name, method_name_len);
|
||||
memcpy(&meta_name[klass_len + 1 + method_name_len], signature_name, signature_name_len);
|
||||
meta_name[klass_len + 1 + method_name_len + signature_name_len] = '\0';
|
||||
Handle exception = Exceptions::new_exception(thread, vmSymbols::java_lang_NoSuchMethodError(), meta_name);
|
||||
java_lang_Throwable::print(exception(), tty);
|
||||
tty->cr();
|
||||
java_lang_Throwable::print_stack_trace(exception, tty);
|
||||
tty->cr();
|
||||
fatal("Failed to find method '%s'", meta_name);
|
||||
}
|
||||
NOT_PRODUCT( aot_methods_found++; )
|
||||
return m;
|
||||
}
|
||||
|
||||
AOTKlassData* AOTCodeHeap::find_klass(InstanceKlass* ik) {
|
||||
ResourceMark rm;
|
||||
AOTKlassData* klass_data = (AOTKlassData*) os::dll_lookup(_lib->dl_handle(), ik->signature_name());
|
||||
return klass_data;
|
||||
}
|
||||
|
||||
bool AOTCodeHeap::is_dependent_method(Klass* dependee, AOTCompiledMethod* aot) {
|
||||
InstanceKlass *dependee_ik = InstanceKlass::cast(dependee);
|
||||
AOTKlassData* klass_data = find_klass(dependee_ik);
|
||||
if (klass_data == NULL) {
|
||||
return false; // no AOT records for this class - no dependencies
|
||||
}
|
||||
if (!dependee_ik->has_passed_fingerprint_check()) {
|
||||
return false; // different class
|
||||
}
|
||||
|
||||
int methods_offset = klass_data->_dependent_methods_offset;
|
||||
if (methods_offset >= 0) {
|
||||
address methods_cnt_adr = _dependencies + methods_offset;
|
||||
int methods_cnt = *(int*)methods_cnt_adr;
|
||||
int* indexes = (int*)(methods_cnt_adr + 4);
|
||||
for (int i = 0; i < methods_cnt; ++i) {
|
||||
int code_id = indexes[i];
|
||||
if (_code_to_aot[code_id]._aot == aot) {
|
||||
return true; // found dependent method
|
||||
}
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
void AOTCodeHeap::sweep_dependent_methods(AOTKlassData* klass_data) {
|
||||
// Make dependent methods non_entrant forever.
|
||||
int methods_offset = klass_data->_dependent_methods_offset;
|
||||
if (methods_offset >= 0) {
|
||||
int marked = 0;
|
||||
address methods_cnt_adr = _dependencies + methods_offset;
|
||||
int methods_cnt = *(int*)methods_cnt_adr;
|
||||
int* indexes = (int*)(methods_cnt_adr + 4);
|
||||
for (int i = 0; i < methods_cnt; ++i) {
|
||||
int code_id = indexes[i];
|
||||
// Invalidate aot code.
|
||||
if (Atomic::cmpxchg(invalid, &_code_to_aot[code_id]._state, not_set) != not_set) {
|
||||
if (_code_to_aot[code_id]._state == in_use) {
|
||||
AOTCompiledMethod* aot = _code_to_aot[code_id]._aot;
|
||||
assert(aot != NULL, "aot should be set");
|
||||
if (!aot->is_runtime_stub()) { // Something is wrong - should not invalidate stubs.
|
||||
aot->mark_for_deoptimization(false);
|
||||
marked++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (marked > 0) {
|
||||
VM_Deoptimize op;
|
||||
VMThread::execute(&op);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool AOTCodeHeap::load_klass_data(InstanceKlass* ik, Thread* thread) {
|
||||
ResourceMark rm;
|
||||
|
||||
NOT_PRODUCT( klasses_seen++; )
|
||||
|
||||
AOTKlassData* klass_data = find_klass(ik);
|
||||
if (klass_data == NULL) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!ik->has_passed_fingerprint_check()) {
|
||||
NOT_PRODUCT( aot_klasses_fp_miss++; )
|
||||
log_trace(aot, class, fingerprint)("class %s%s has bad fingerprint in %s tid=" INTPTR_FORMAT,
|
||||
ik->internal_name(), ik->is_shared() ? " (shared)" : "",
|
||||
_lib->name(), p2i(thread));
|
||||
sweep_dependent_methods(klass_data);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (ik->has_been_redefined()) {
|
||||
log_trace(aot, class, load)("class %s%s in %s has been redefined tid=" INTPTR_FORMAT,
|
||||
ik->internal_name(), ik->is_shared() ? " (shared)" : "",
|
||||
_lib->name(), p2i(thread));
|
||||
sweep_dependent_methods(klass_data);
|
||||
return false;
|
||||
}
|
||||
|
||||
assert(klass_data->_class_id < _class_count, "invalid class id");
|
||||
AOTClass* aot_class = &_classes[klass_data->_class_id];
|
||||
if (aot_class->_classloader != NULL && aot_class->_classloader != ik->class_loader_data()) {
|
||||
log_trace(aot, class, load)("class %s in %s already loaded for classloader %p vs %p tid=" INTPTR_FORMAT,
|
||||
ik->internal_name(), _lib->name(), aot_class->_classloader, ik->class_loader_data(), p2i(thread));
|
||||
NOT_PRODUCT( aot_klasses_cl_miss++; )
|
||||
return false;
|
||||
}
|
||||
|
||||
if (_lib->config()->_omitAssertions && JavaAssertions::enabled(ik->name()->as_C_string(), ik->class_loader() == NULL)) {
|
||||
log_trace(aot, class, load)("class %s in %s does not have java assertions in compiled code, but assertions are enabled for this execution.", ik->internal_name(), _lib->name());
|
||||
sweep_dependent_methods(klass_data);
|
||||
return false;
|
||||
}
|
||||
|
||||
NOT_PRODUCT( aot_klasses_found++; )
|
||||
|
||||
log_trace(aot, class, load)("found %s in %s for classloader %p tid=" INTPTR_FORMAT, ik->internal_name(), _lib->name(), ik->class_loader_data(), p2i(thread));
|
||||
|
||||
aot_class->_classloader = ik->class_loader_data();
|
||||
// Set klass's Resolve (second) got cell.
|
||||
_klasses_got[klass_data->_got_index] = ik;
|
||||
|
||||
// Initialize global symbols of the DSO to the corresponding VM symbol values.
|
||||
link_global_lib_symbols();
|
||||
|
||||
int methods_offset = klass_data->_compiled_methods_offset;
|
||||
if (methods_offset >= 0) {
|
||||
address methods_cnt_adr = _methods_offsets + methods_offset;
|
||||
int methods_cnt = *(int*)methods_cnt_adr;
|
||||
// Collect data about compiled methods
|
||||
AOTMethodData* methods_data = NEW_RESOURCE_ARRAY(AOTMethodData, methods_cnt);
|
||||
AOTMethodOffsets* methods_offsets = (AOTMethodOffsets*)(methods_cnt_adr + 4);
|
||||
for (int i = 0; i < methods_cnt; ++i) {
|
||||
AOTMethodOffsets* method_offsets = &methods_offsets[i];
|
||||
int code_id = method_offsets->_code_id;
|
||||
if (_code_to_aot[code_id]._state == invalid) {
|
||||
continue; // skip AOT methods slots which have been invalidated
|
||||
}
|
||||
AOTMethodData* method_data = &methods_data[i];
|
||||
const char* aot_name = _metaspace_names + method_offsets->_name_offset;
|
||||
method_data->_name = aot_name;
|
||||
method_data->_code = _code_space + method_offsets->_code_offset;
|
||||
method_data->_meta = (aot_metadata*)(_method_metadata + method_offsets->_meta_offset);
|
||||
method_data->_metadata_table = (address)_metadata_got + method_offsets->_metadata_got_offset;
|
||||
method_data->_metadata_size = method_offsets->_metadata_got_size;
|
||||
// aot_name format: "<u2_size>Ljava/lang/ThreadGroup;<u2_size>addUnstarted<u2_size>()V"
|
||||
int klass_len = build_u2_from((address)aot_name);
|
||||
const char* method_name = aot_name + 2 + klass_len;
|
||||
Method* m = AOTCodeHeap::find_method(ik, thread, method_name);
|
||||
methodHandle mh(thread, m);
|
||||
if (mh->code() != NULL) { // Does it have already compiled code?
|
||||
continue; // Don't overwrite
|
||||
}
|
||||
publish_aot(mh, method_data, code_id);
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
AOTCompiledMethod* AOTCodeHeap::next_in_use_at(int start) const {
|
||||
for (int index = start; index < _method_count; index++) {
|
||||
if (_code_to_aot[index]._state != in_use) {
|
||||
continue; // Skip uninitialized entries.
|
||||
}
|
||||
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
||||
return aot;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void* AOTCodeHeap::first() const {
|
||||
return next_in_use_at(0);
|
||||
}
|
||||
|
||||
void* AOTCodeHeap::next(void* p) const {
|
||||
AOTCompiledMethod *aot = (AOTCompiledMethod *)p;
|
||||
int next_index = aot->method_index() + 1;
|
||||
assert(next_index <= _method_count, "");
|
||||
if (next_index == _method_count) {
|
||||
return NULL;
|
||||
}
|
||||
return next_in_use_at(next_index);
|
||||
}
|
||||
|
||||
void* AOTCodeHeap::find_start(void* p) const {
|
||||
if (!contains(p)) {
|
||||
return NULL;
|
||||
}
|
||||
size_t offset = pointer_delta(p, low_boundary(), 1);
|
||||
// Use segments table
|
||||
size_t seg_idx = offset / _lib->config()->_codeSegmentSize;
|
||||
if ((int)(_code_segments[seg_idx]) == 0xff) {
|
||||
return NULL;
|
||||
}
|
||||
while (_code_segments[seg_idx] > 0) {
|
||||
seg_idx -= (int)_code_segments[seg_idx];
|
||||
}
|
||||
int code_offset = (int)seg_idx * _lib->config()->_codeSegmentSize;
|
||||
int aot_index = *(int*)(_code_space + code_offset);
|
||||
AOTCompiledMethod* aot = _code_to_aot[aot_index]._aot;
|
||||
assert(aot != NULL, "should find registered aot method");
|
||||
return aot;
|
||||
}
|
||||
|
||||
AOTCompiledMethod* AOTCodeHeap::find_aot(address p) const {
|
||||
assert(contains(p), "should be here");
|
||||
return (AOTCompiledMethod *)find_start(p);
|
||||
}
|
||||
|
||||
CodeBlob* AOTCodeHeap::find_blob_unsafe(void* start) const {
|
||||
return (CodeBlob*)AOTCodeHeap::find_start(start);
|
||||
}
|
||||
|
||||
void AOTCodeHeap::oops_do(OopClosure* f) {
|
||||
for (int i = 0; i < _oop_got_size; i++) {
|
||||
oop* p = &_oop_got[i];
|
||||
if (*p == NULL) continue; // skip non-oops
|
||||
f->do_oop(p);
|
||||
}
|
||||
for (int index = 0; index < _method_count; index++) {
|
||||
if (_code_to_aot[index]._state != in_use) {
|
||||
continue; // Skip uninitialized entries.
|
||||
}
|
||||
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
||||
aot->do_oops(f);
|
||||
}
|
||||
}
|
||||
|
||||
// Scan only klasses_got cells which should have only Klass*,
|
||||
// metadata_got cells are scanned only for alive AOT methods
|
||||
// by AOTCompiledMethod::metadata_do().
|
||||
void AOTCodeHeap::got_metadata_do(void f(Metadata*)) {
|
||||
for (int i = 1; i < _klasses_got_size; i++) {
|
||||
Metadata** p = &_klasses_got[i];
|
||||
Metadata* md = *p;
|
||||
if (md == NULL) continue; // skip non-oops
|
||||
if (Metaspace::contains(md)) {
|
||||
f(md);
|
||||
} else {
|
||||
intptr_t meta = (intptr_t)md;
|
||||
fatal("Invalid value in _metaspace_got[%d] = " INTPTR_FORMAT, i, meta);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void AOTCodeHeap::cleanup_inline_caches() {
|
||||
for (int index = 0; index < _method_count; index++) {
|
||||
if (_code_to_aot[index]._state != in_use) {
|
||||
continue; // Skip uninitialized entries.
|
||||
}
|
||||
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
||||
aot->cleanup_inline_caches();
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef ASSERT
|
||||
int AOTCodeHeap::verify_icholder_relocations() {
|
||||
int count = 0;
|
||||
for (int index = 0; index < _method_count; index++) {
|
||||
if (_code_to_aot[index]._state != in_use) {
|
||||
continue; // Skip uninitialized entries.
|
||||
}
|
||||
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
||||
count += aot->verify_icholder_relocations();
|
||||
}
|
||||
return count;
|
||||
}
|
||||
#endif
|
||||
|
||||
void AOTCodeHeap::flush_evol_dependents_on(InstanceKlass* dependee) {
|
||||
for (int index = 0; index < _method_count; index++) {
|
||||
if (_code_to_aot[index]._state != in_use) {
|
||||
continue; // Skip uninitialized entries.
|
||||
}
|
||||
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
||||
aot->flush_evol_dependents_on(dependee);
|
||||
}
|
||||
}
|
||||
|
||||
void AOTCodeHeap::metadata_do(void f(Metadata*)) {
|
||||
for (int index = 0; index < _method_count; index++) {
|
||||
if (_code_to_aot[index]._state != in_use) {
|
||||
continue; // Skip uninitialized entries.
|
||||
}
|
||||
AOTCompiledMethod* aot = _code_to_aot[index]._aot;
|
||||
if (aot->_is_alive()) {
|
||||
aot->metadata_do(f);
|
||||
}
|
||||
}
|
||||
// Scan metaspace_got cells.
|
||||
got_metadata_do(f);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue