author | never |
Sun, 25 Sep 2011 16:03:29 -0700 | |
changeset 10565 | dc90c239f4ec |
parent 10553 | e95834531c7d |
child 10742 | a64c942e4e6b |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2011, 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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*/ |
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||
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#include "precompiled.hpp" |
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#include "classfile/javaClasses.hpp" |
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#include "classfile/symbolTable.hpp" |
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#include "classfile/vmSymbols.hpp" |
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#include "code/debugInfo.hpp" |
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#include "code/pcDesc.hpp" |
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#include "compiler/compilerOracle.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "memory/oopFactory.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "memory/universe.inline.hpp" |
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#include "oops/fieldStreams.hpp" |
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#include "oops/instanceKlass.hpp" |
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#include "oops/instanceMirrorKlass.hpp" |
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#include "oops/klass.hpp" |
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#include "oops/klassOop.hpp" |
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#include "oops/methodOop.hpp" |
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#include "oops/symbol.hpp" |
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#include "oops/typeArrayOop.hpp" |
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#include "runtime/fieldDescriptor.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/interfaceSupport.hpp" |
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#include "runtime/java.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/safepoint.hpp" |
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#include "runtime/vframe.hpp" |
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#include "utilities/preserveException.hpp" |
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#ifdef TARGET_OS_FAMILY_linux |
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# include "thread_linux.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_solaris |
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# include "thread_solaris.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_windows |
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# include "thread_windows.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_bsd |
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# include "thread_bsd.inline.hpp" |
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#endif |
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#define INJECTED_FIELD_COMPUTE_OFFSET(klass, name, signature, may_be_java) \ |
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klass::_##name##_offset = JavaClasses::compute_injected_offset(JavaClasses::klass##_##name##_enum); |
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#define DECLARE_INJECTED_FIELD(klass, name, signature, may_be_java) \ |
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{ SystemDictionary::WK_KLASS_ENUM_NAME(klass), vmSymbols::VM_SYMBOL_ENUM_NAME(name##_name), vmSymbols::VM_SYMBOL_ENUM_NAME(signature), may_be_java }, |
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InjectedField JavaClasses::_injected_fields[] = { |
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ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD) |
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}; |
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int JavaClasses::compute_injected_offset(InjectedFieldID id) { |
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return _injected_fields[id].compute_offset(); |
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} |
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InjectedField* JavaClasses::get_injected(Symbol* class_name, int* field_count) { |
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*field_count = 0; |
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vmSymbols::SID sid = vmSymbols::find_sid(class_name); |
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if (sid == vmSymbols::NO_SID) { |
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// Only well known classes can inject fields |
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return NULL; |
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} |
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int count = 0; |
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int start = -1; |
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#define LOOKUP_INJECTED_FIELD(klass, name, signature, may_be_java) \ |
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if (sid == vmSymbols::VM_SYMBOL_ENUM_NAME(klass)) { \ |
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count++; \ |
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if (start == -1) start = klass##_##name##_enum; \ |
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} |
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ALL_INJECTED_FIELDS(LOOKUP_INJECTED_FIELD); |
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#undef LOOKUP_INJECTED_FIELD |
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if (start != -1) { |
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*field_count = count; |
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return _injected_fields + start; |
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} |
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return NULL; |
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} |
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static bool find_field(instanceKlass* ik, |
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Symbol* name_symbol, Symbol* signature_symbol, |
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fieldDescriptor* fd, |
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bool allow_super = false) { |
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if (allow_super) |
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return ik->find_field(name_symbol, signature_symbol, fd) != NULL; |
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else |
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return ik->find_local_field(name_symbol, signature_symbol, fd); |
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} |
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// Helpful routine for computing field offsets at run time rather than hardcoding them |
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static void |
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compute_offset(int &dest_offset, |
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klassOop klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
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bool allow_super = false) { |
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fieldDescriptor fd; |
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instanceKlass* ik = instanceKlass::cast(klass_oop); |
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if (!find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
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ResourceMark rm; |
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tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string()); |
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fatal("Invalid layout of preloaded class"); |
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} |
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dest_offset = fd.offset(); |
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} |
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// Same as above but for "optional" offsets that might not be present in certain JDK versions |
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static void |
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compute_optional_offset(int& dest_offset, |
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klassOop klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
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bool allow_super = false) { |
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fieldDescriptor fd; |
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instanceKlass* ik = instanceKlass::cast(klass_oop); |
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if (find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
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dest_offset = fd.offset(); |
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} |
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} |
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Handle java_lang_String::basic_create(int length, bool tenured, TRAPS) { |
147 |
// Create the String object first, so there's a chance that the String |
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// and the char array it points to end up in the same cache line. |
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oop obj; |
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if (tenured) { |
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obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_permanent_instance(CHECK_NH); |
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} else { |
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obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH); |
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} |
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// Create the char array. The String object must be handlized here |
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// because GC can happen as a result of the allocation attempt. |
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Handle h_obj(THREAD, obj); |
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typeArrayOop buffer; |
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if (tenured) { |
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buffer = oopFactory::new_permanent_charArray(length, CHECK_NH); |
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} else { |
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buffer = oopFactory::new_charArray(length, CHECK_NH); |
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} |
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// Point the String at the char array |
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obj = h_obj(); |
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set_value(obj, buffer); |
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// No need to zero the offset, allocation zero'ed the entire String object |
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assert(offset(obj) == 0, "initial String offset should be zero"); |
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//set_offset(obj, 0); |
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set_count(obj, length); |
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return h_obj; |
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} |
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Handle java_lang_String::basic_create_from_unicode(jchar* unicode, int length, bool tenured, TRAPS) { |
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Handle h_obj = basic_create(length, tenured, CHECK_NH); |
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typeArrayOop buffer = value(h_obj()); |
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for (int index = 0; index < length; index++) { |
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buffer->char_at_put(index, unicode[index]); |
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} |
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return h_obj; |
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} |
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Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) { |
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return basic_create_from_unicode(unicode, length, false, CHECK_NH); |
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} |
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Handle java_lang_String::create_tenured_from_unicode(jchar* unicode, int length, TRAPS) { |
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return basic_create_from_unicode(unicode, length, JavaObjectsInPerm, CHECK_NH); |
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} |
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194 |
oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) { |
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195 |
Handle h_obj = basic_create_from_unicode(unicode, length, false, CHECK_0); |
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return h_obj(); |
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} |
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199 |
Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) { |
|
200 |
if (utf8_str == NULL) { |
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return Handle(); |
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202 |
} |
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203 |
int length = UTF8::unicode_length(utf8_str); |
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204 |
Handle h_obj = basic_create(length, false, CHECK_NH); |
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if (length > 0) { |
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206 |
UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length); |
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207 |
} |
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208 |
return h_obj; |
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209 |
} |
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210 |
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211 |
oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) { |
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212 |
Handle h_obj = create_from_str(utf8_str, CHECK_0); |
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213 |
return h_obj(); |
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} |
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215 |
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Handle java_lang_String::create_from_symbol(Symbol* symbol, TRAPS) { |
1 | 217 |
int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length()); |
218 |
Handle h_obj = basic_create(length, false, CHECK_NH); |
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219 |
if (length > 0) { |
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220 |
UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length); |
|
221 |
} |
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222 |
return h_obj; |
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223 |
} |
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224 |
||
225 |
// Converts a C string to a Java String based on current encoding |
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226 |
Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) { |
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227 |
assert(str != NULL, "bad arguments"); |
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228 |
||
229 |
typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *); |
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230 |
static to_java_string_fn_t _to_java_string_fn = NULL; |
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231 |
||
232 |
if (_to_java_string_fn == NULL) { |
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233 |
void *lib_handle = os::native_java_library(); |
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_to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform")); |
1 | 235 |
if (_to_java_string_fn == NULL) { |
236 |
fatal("NewStringPlatform missing"); |
|
237 |
} |
|
238 |
} |
|
239 |
||
240 |
jstring js = NULL; |
|
241 |
{ JavaThread* thread = (JavaThread*)THREAD; |
|
242 |
assert(thread->is_Java_thread(), "must be java thread"); |
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243 |
HandleMark hm(thread); |
1 | 244 |
ThreadToNativeFromVM ttn(thread); |
245 |
js = (_to_java_string_fn)(thread->jni_environment(), str); |
|
246 |
} |
|
247 |
return Handle(THREAD, JNIHandles::resolve(js)); |
|
248 |
} |
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249 |
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// Converts a Java String to a native C string that can be used for |
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// native OS calls. |
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char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) { |
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|
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typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*); |
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static to_platform_string_fn_t _to_platform_string_fn = NULL; |
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|
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257 |
if (_to_platform_string_fn == NULL) { |
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void *lib_handle = os::native_java_library(); |
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_to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars")); |
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if (_to_platform_string_fn == NULL) { |
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261 |
fatal("GetStringPlatformChars missing"); |
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262 |
} |
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263 |
} |
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264 |
|
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char *native_platform_string; |
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{ JavaThread* thread = (JavaThread*)THREAD; |
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assert(thread->is_Java_thread(), "must be java thread"); |
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JNIEnv *env = thread->jni_environment(); |
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jstring js = (jstring) JNIHandles::make_local(env, java_string()); |
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270 |
bool is_copy; |
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271 |
HandleMark hm(thread); |
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ThreadToNativeFromVM ttn(thread); |
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native_platform_string = (_to_platform_string_fn)(env, js, &is_copy); |
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274 |
assert(is_copy == JNI_TRUE, "is_copy value changed"); |
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6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
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diff
changeset
|
275 |
JNIHandles::destroy_local(js); |
9193828514c4
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1
diff
changeset
|
276 |
} |
9193828514c4
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1
diff
changeset
|
277 |
return native_platform_string; |
9193828514c4
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
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parents:
1
diff
changeset
|
278 |
} |
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diff
changeset
|
279 |
|
1 | 280 |
Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) { |
281 |
oop obj = java_string(); |
|
282 |
// Typical usage is to convert all '/' to '.' in string. |
|
283 |
typeArrayOop value = java_lang_String::value(obj); |
|
284 |
int offset = java_lang_String::offset(obj); |
|
285 |
int length = java_lang_String::length(obj); |
|
286 |
||
287 |
// First check if any from_char exist |
|
288 |
int index; // Declared outside, used later |
|
289 |
for (index = 0; index < length; index++) { |
|
290 |
if (value->char_at(index + offset) == from_char) { |
|
291 |
break; |
|
292 |
} |
|
293 |
} |
|
294 |
if (index == length) { |
|
295 |
// No from_char, so do not copy. |
|
296 |
return java_string; |
|
297 |
} |
|
298 |
||
299 |
// Create new UNICODE buffer. Must handlize value because GC |
|
300 |
// may happen during String and char array creation. |
|
301 |
typeArrayHandle h_value(THREAD, value); |
|
302 |
Handle string = basic_create(length, false, CHECK_NH); |
|
303 |
||
304 |
typeArrayOop from_buffer = h_value(); |
|
305 |
typeArrayOop to_buffer = java_lang_String::value(string()); |
|
306 |
||
307 |
// Copy contents |
|
308 |
for (index = 0; index < length; index++) { |
|
309 |
jchar c = from_buffer->char_at(index + offset); |
|
310 |
if (c == from_char) { |
|
311 |
c = to_char; |
|
312 |
} |
|
313 |
to_buffer->char_at_put(index, c); |
|
314 |
} |
|
315 |
return string; |
|
316 |
} |
|
317 |
||
318 |
jchar* java_lang_String::as_unicode_string(oop java_string, int& length) { |
|
319 |
typeArrayOop value = java_lang_String::value(java_string); |
|
320 |
int offset = java_lang_String::offset(java_string); |
|
321 |
length = java_lang_String::length(java_string); |
|
322 |
||
323 |
jchar* result = NEW_RESOURCE_ARRAY(jchar, length); |
|
324 |
for (int index = 0; index < length; index++) { |
|
325 |
result[index] = value->char_at(index + offset); |
|
326 |
} |
|
327 |
return result; |
|
328 |
} |
|
329 |
||
8885
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
330 |
unsigned int java_lang_String::hash_string(oop java_string) { |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
331 |
typeArrayOop value = java_lang_String::value(java_string); |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
332 |
int offset = java_lang_String::offset(java_string); |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
333 |
int length = java_lang_String::length(java_string); |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
334 |
|
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
335 |
if (length == 0) return 0; |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
336 |
return hash_string(value->char_at_addr(offset), length); |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
337 |
} |
eed0ba1d011b
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
8883
diff
changeset
|
338 |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
339 |
Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) { |
1 | 340 |
oop obj = java_string(); |
341 |
typeArrayOop value = java_lang_String::value(obj); |
|
342 |
int offset = java_lang_String::offset(obj); |
|
343 |
int length = java_lang_String::length(obj); |
|
3796
7082ef16e6e2
6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents:
3686
diff
changeset
|
344 |
jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
345 |
Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
346 |
return sym; |
1 | 347 |
} |
348 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
349 |
Symbol* java_lang_String::as_symbol_or_null(oop java_string) { |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
350 |
typeArrayOop value = java_lang_String::value(java_string); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
351 |
int offset = java_lang_String::offset(java_string); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
352 |
int length = java_lang_String::length(java_string); |
3796
7082ef16e6e2
6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents:
3686
diff
changeset
|
353 |
jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
354 |
return SymbolTable::probe_unicode(base, length); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
355 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
356 |
|
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
357 |
|
1 | 358 |
int java_lang_String::utf8_length(oop java_string) { |
359 |
typeArrayOop value = java_lang_String::value(java_string); |
|
360 |
int offset = java_lang_String::offset(java_string); |
|
361 |
int length = java_lang_String::length(java_string); |
|
362 |
jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
|
363 |
return UNICODE::utf8_length(position, length); |
|
364 |
} |
|
365 |
||
366 |
char* java_lang_String::as_utf8_string(oop java_string) { |
|
367 |
typeArrayOop value = java_lang_String::value(java_string); |
|
368 |
int offset = java_lang_String::offset(java_string); |
|
369 |
int length = java_lang_String::length(java_string); |
|
370 |
jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
|
371 |
return UNICODE::as_utf8(position, length); |
|
372 |
} |
|
373 |
||
7414
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
374 |
char* java_lang_String::as_utf8_string(oop java_string, char* buf, int buflen) { |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
375 |
typeArrayOop value = java_lang_String::value(java_string); |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
376 |
int offset = java_lang_String::offset(java_string); |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
377 |
int length = java_lang_String::length(java_string); |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
378 |
jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
379 |
return UNICODE::as_utf8(position, length, buf, buflen); |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
380 |
} |
940d84ca7fca
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
7405
diff
changeset
|
381 |
|
1 | 382 |
char* java_lang_String::as_utf8_string(oop java_string, int start, int len) { |
383 |
typeArrayOop value = java_lang_String::value(java_string); |
|
384 |
int offset = java_lang_String::offset(java_string); |
|
385 |
int length = java_lang_String::length(java_string); |
|
386 |
assert(start + len <= length, "just checking"); |
|
387 |
jchar* position = value->char_at_addr(offset + start); |
|
388 |
return UNICODE::as_utf8(position, len); |
|
389 |
} |
|
390 |
||
391 |
bool java_lang_String::equals(oop java_string, jchar* chars, int len) { |
|
392 |
assert(SharedSkipVerify || |
|
4571 | 393 |
java_string->klass() == SystemDictionary::String_klass(), |
1 | 394 |
"must be java_string"); |
395 |
typeArrayOop value = java_lang_String::value(java_string); |
|
396 |
int offset = java_lang_String::offset(java_string); |
|
397 |
int length = java_lang_String::length(java_string); |
|
398 |
if (length != len) { |
|
399 |
return false; |
|
400 |
} |
|
401 |
for (int i = 0; i < len; i++) { |
|
402 |
if (value->char_at(i + offset) != chars[i]) { |
|
403 |
return false; |
|
404 |
} |
|
405 |
} |
|
406 |
return true; |
|
407 |
} |
|
408 |
||
409 |
void java_lang_String::print(Handle java_string, outputStream* st) { |
|
410 |
oop obj = java_string(); |
|
4571 | 411 |
assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string"); |
1 | 412 |
typeArrayOop value = java_lang_String::value(obj); |
413 |
int offset = java_lang_String::offset(obj); |
|
414 |
int length = java_lang_String::length(obj); |
|
415 |
||
416 |
int end = MIN2(length, 100); |
|
417 |
if (value == NULL) { |
|
418 |
// This can happen if, e.g., printing a String |
|
419 |
// object before its initializer has been called |
|
420 |
st->print_cr("NULL"); |
|
421 |
} else { |
|
422 |
st->print("\""); |
|
423 |
for (int index = 0; index < length; index++) { |
|
424 |
st->print("%c", value->char_at(index + offset)); |
|
425 |
} |
|
426 |
st->print("\""); |
|
427 |
} |
|
428 |
} |
|
429 |
||
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
430 |
static void initialize_static_field(fieldDescriptor* fd, TRAPS) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
431 |
Handle mirror (THREAD, fd->field_holder()->java_mirror()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
432 |
assert(mirror.not_null() && fd->is_static(), "just checking"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
433 |
if (fd->has_initial_value()) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
434 |
BasicType t = fd->field_type(); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
435 |
switch (t) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
436 |
case T_BYTE: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
437 |
mirror()->byte_field_put(fd->offset(), fd->int_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
438 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
439 |
case T_BOOLEAN: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
440 |
mirror()->bool_field_put(fd->offset(), fd->int_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
441 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
442 |
case T_CHAR: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
443 |
mirror()->char_field_put(fd->offset(), fd->int_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
444 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
445 |
case T_SHORT: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
446 |
mirror()->short_field_put(fd->offset(), fd->int_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
447 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
448 |
case T_INT: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
449 |
mirror()->int_field_put(fd->offset(), fd->int_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
450 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
451 |
case T_FLOAT: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
452 |
mirror()->float_field_put(fd->offset(), fd->float_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
453 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
454 |
case T_DOUBLE: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
455 |
mirror()->double_field_put(fd->offset(), fd->double_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
456 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
457 |
case T_LONG: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
458 |
mirror()->long_field_put(fd->offset(), fd->long_initial_value()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
459 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
460 |
case T_OBJECT: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
461 |
{ |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
462 |
#ifdef ASSERT |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
463 |
TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
464 |
assert(fd->signature() == sym, "just checking"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
465 |
#endif |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
466 |
oop string = fd->string_initial_value(CHECK); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
467 |
mirror()->obj_field_put(fd->offset(), string); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
468 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
469 |
break; |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
470 |
default: |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
471 |
THROW_MSG(vmSymbols::java_lang_ClassFormatError(), |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
472 |
"Illegal ConstantValue attribute in class file"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
473 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
474 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
475 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
476 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
477 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
478 |
void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) { |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
479 |
assert(instanceMirrorKlass::offset_of_static_fields() != 0, "must have been computed already"); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
480 |
|
8c1e3dd5fe1b
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never
parents:
8676
diff
changeset
|
481 |
if (k->oop_is_instance()) { |
10546 | 482 |
// During bootstrap, java.lang.Class wasn't loaded so static field |
483 |
// offsets were computed without the size added it. Go back and |
|
484 |
// update all the static field offsets to included the size. |
|
485 |
for (JavaFieldStream fs(instanceKlass::cast(k())); !fs.done(); fs.next()) { |
|
486 |
if (fs.access_flags().is_static()) { |
|
487 |
int real_offset = fs.offset() + instanceMirrorKlass::offset_of_static_fields(); |
|
488 |
fs.set_offset(real_offset); |
|
489 |
} |
|
490 |
} |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
8676
diff
changeset
|
491 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
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diff
changeset
|
492 |
create_mirror(k, CHECK); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
493 |
} |
1 | 494 |
|
495 |
oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) { |
|
496 |
assert(k->java_mirror() == NULL, "should only assign mirror once"); |
|
497 |
// Use this moment of initialization to cache modifier_flags also, |
|
498 |
// to support Class.getModifiers(). Instance classes recalculate |
|
499 |
// the cached flags after the class file is parsed, but before the |
|
500 |
// class is put into the system dictionary. |
|
501 |
int computed_modifiers = k->compute_modifier_flags(CHECK_0); |
|
502 |
k->set_modifier_flags(computed_modifiers); |
|
8725
8c1e3dd5fe1b
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parents:
8676
diff
changeset
|
503 |
if (SystemDictionary::Class_klass_loaded() && (k->oop_is_instance() || k->oop_is_javaArray())) { |
1 | 504 |
// Allocate mirror (java.lang.Class instance) |
8725
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changeset
|
505 |
Handle mirror = instanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK_0); |
1 | 506 |
// Setup indirections |
10546 | 507 |
mirror->obj_field_put(_klass_offset, k()); |
1 | 508 |
k->set_java_mirror(mirror()); |
8725
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changeset
|
509 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
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changeset
|
510 |
instanceMirrorKlass* mk = instanceMirrorKlass::cast(mirror->klass()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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changeset
|
511 |
java_lang_Class::set_oop_size(mirror(), mk->instance_size(k)); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
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|
512 |
java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror())); |
8c1e3dd5fe1b
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changeset
|
513 |
|
1 | 514 |
// It might also have a component mirror. This mirror must already exist. |
515 |
if (k->oop_is_javaArray()) { |
|
516 |
Handle comp_mirror; |
|
517 |
if (k->oop_is_typeArray()) { |
|
518 |
BasicType type = typeArrayKlass::cast(k->as_klassOop())->element_type(); |
|
519 |
comp_mirror = Universe::java_mirror(type); |
|
520 |
assert(comp_mirror.not_null(), "must have primitive mirror"); |
|
521 |
} else if (k->oop_is_objArray()) { |
|
522 |
klassOop element_klass = objArrayKlass::cast(k->as_klassOop())->element_klass(); |
|
523 |
if (element_klass != NULL |
|
524 |
&& (Klass::cast(element_klass)->oop_is_instance() || |
|
525 |
Klass::cast(element_klass)->oop_is_javaArray())) { |
|
526 |
comp_mirror = Klass::cast(element_klass)->java_mirror(); |
|
527 |
assert(comp_mirror.not_null(), "must have element mirror"); |
|
528 |
} |
|
529 |
// else some object array internal to the VM, like systemObjArrayKlassObj |
|
530 |
} |
|
531 |
if (comp_mirror.not_null()) { |
|
532 |
// Two-way link between the array klass and its component mirror: |
|
533 |
arrayKlass::cast(k->as_klassOop())->set_component_mirror(comp_mirror()); |
|
534 |
set_array_klass(comp_mirror(), k->as_klassOop()); |
|
535 |
} |
|
8725
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7017732: move static fields into Class to prepare for perm gen removal
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diff
changeset
|
536 |
} else if (k->oop_is_instance()) { |
8c1e3dd5fe1b
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parents:
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diff
changeset
|
537 |
// Initialize static fields |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
8676
diff
changeset
|
538 |
instanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL); |
1 | 539 |
} |
540 |
return mirror(); |
|
541 |
} else { |
|
542 |
return NULL; |
|
543 |
} |
|
544 |
} |
|
545 |
||
546 |
||
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
8676
diff
changeset
|
547 |
|
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
548 |
int java_lang_Class::oop_size(oop java_class) { |
10546 | 549 |
assert(_oop_size_offset != 0, "must be set"); |
550 |
return java_class->int_field(_oop_size_offset); |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
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diff
changeset
|
551 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
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diff
changeset
|
552 |
void java_lang_Class::set_oop_size(oop java_class, int size) { |
10546 | 553 |
assert(_oop_size_offset != 0, "must be set"); |
554 |
java_class->int_field_put(_oop_size_offset, size); |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
555 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
556 |
int java_lang_Class::static_oop_field_count(oop java_class) { |
10546 | 557 |
assert(_static_oop_field_count_offset != 0, "must be set"); |
558 |
return java_class->int_field(_static_oop_field_count_offset); |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
559 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
560 |
void java_lang_Class::set_static_oop_field_count(oop java_class, int size) { |
10546 | 561 |
assert(_static_oop_field_count_offset != 0, "must be set"); |
562 |
java_class->int_field_put(_static_oop_field_count_offset, size); |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
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diff
changeset
|
563 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
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diff
changeset
|
564 |
|
1 | 565 |
oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) { |
566 |
// This should be improved by adding a field at the Java level or by |
|
567 |
// introducing a new VM klass (see comment in ClassFileParser) |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
568 |
oop java_class = instanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance((oop)NULL, CHECK_0); |
1 | 569 |
if (type != T_VOID) { |
570 |
klassOop aklass = Universe::typeArrayKlassObj(type); |
|
571 |
assert(aklass != NULL, "correct bootstrap"); |
|
572 |
set_array_klass(java_class, aklass); |
|
573 |
} |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
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diff
changeset
|
574 |
instanceMirrorKlass* mk = instanceMirrorKlass::cast(SystemDictionary::Class_klass()); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
8676
diff
changeset
|
575 |
java_lang_Class::set_oop_size(java_class, mk->instance_size(oop(NULL))); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
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diff
changeset
|
576 |
java_lang_Class::set_static_oop_field_count(java_class, 0); |
1 | 577 |
return java_class; |
578 |
} |
|
579 |
||
580 |
||
581 |
klassOop java_lang_Class::as_klassOop(oop java_class) { |
|
582 |
//%note memory_2 |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
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parents:
8676
diff
changeset
|
583 |
assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
10546 | 584 |
klassOop k = klassOop(java_class->obj_field(_klass_offset)); |
1 | 585 |
assert(k == NULL || k->is_klass(), "type check"); |
586 |
return k; |
|
587 |
} |
|
588 |
||
589 |
||
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
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2105
diff
changeset
|
590 |
void java_lang_Class::print_signature(oop java_class, outputStream* st) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
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parents:
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diff
changeset
|
591 |
assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
592 |
Symbol* name = NULL; |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
593 |
bool is_instance = false; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
594 |
if (is_primitive(java_class)) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
595 |
name = vmSymbols::type_signature(primitive_type(java_class)); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
596 |
} else { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
597 |
klassOop k = as_klassOop(java_class); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
598 |
is_instance = Klass::cast(k)->oop_is_instance(); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
599 |
name = Klass::cast(k)->name(); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
600 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
601 |
if (name == NULL) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
602 |
st->print("<null>"); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
603 |
return; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
604 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
605 |
if (is_instance) st->print("L"); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
606 |
st->write((char*) name->base(), (int) name->utf8_length()); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
607 |
if (is_instance) st->print(";"); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
608 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
609 |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
610 |
Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) { |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
611 |
assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
612 |
Symbol* name; |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
613 |
if (is_primitive(java_class)) { |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
614 |
name = vmSymbols::type_signature(primitive_type(java_class)); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
615 |
// Because this can create a new symbol, the caller has to decrement |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
616 |
// the refcount, so make adjustment here and below for symbols returned |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
617 |
// that are not created or incremented due to a successful lookup. |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
618 |
name->increment_refcount(); |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
619 |
} else { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
620 |
klassOop k = as_klassOop(java_class); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
621 |
if (!Klass::cast(k)->oop_is_instance()) { |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
622 |
name = Klass::cast(k)->name(); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
623 |
name->increment_refcount(); |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
624 |
} else { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
625 |
ResourceMark rm; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
626 |
const char* sigstr = Klass::cast(k)->signature_name(); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
627 |
int siglen = (int) strlen(sigstr); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
628 |
if (!intern_if_not_found) { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
629 |
name = SymbolTable::probe(sigstr, siglen); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
630 |
} else { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
631 |
name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
632 |
} |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
633 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
634 |
} |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
635 |
return name; |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
636 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
637 |
|
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
638 |
|
1 | 639 |
klassOop java_lang_Class::array_klass(oop java_class) { |
10546 | 640 |
klassOop k = klassOop(java_class->obj_field(_array_klass_offset)); |
1 | 641 |
assert(k == NULL || k->is_klass() && Klass::cast(k)->oop_is_javaArray(), "should be array klass"); |
642 |
return k; |
|
643 |
} |
|
644 |
||
645 |
||
646 |
void java_lang_Class::set_array_klass(oop java_class, klassOop klass) { |
|
647 |
assert(klass->is_klass() && Klass::cast(klass)->oop_is_javaArray(), "should be array klass"); |
|
10546 | 648 |
java_class->obj_field_put(_array_klass_offset, klass); |
1 | 649 |
} |
650 |
||
651 |
||
652 |
methodOop java_lang_Class::resolved_constructor(oop java_class) { |
|
10546 | 653 |
oop constructor = java_class->obj_field(_resolved_constructor_offset); |
1 | 654 |
assert(constructor == NULL || constructor->is_method(), "should be method"); |
655 |
return methodOop(constructor); |
|
656 |
} |
|
657 |
||
658 |
||
659 |
void java_lang_Class::set_resolved_constructor(oop java_class, methodOop constructor) { |
|
660 |
assert(constructor->is_method(), "should be method"); |
|
10546 | 661 |
java_class->obj_field_put(_resolved_constructor_offset, constructor); |
1 | 662 |
} |
663 |
||
664 |
||
665 |
bool java_lang_Class::is_primitive(oop java_class) { |
|
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
666 |
// should assert: |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
667 |
//assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
10546 | 668 |
klassOop k = klassOop(java_class->obj_field(_klass_offset)); |
1 | 669 |
return k == NULL; |
670 |
} |
|
671 |
||
672 |
||
673 |
BasicType java_lang_Class::primitive_type(oop java_class) { |
|
674 |
assert(java_lang_Class::is_primitive(java_class), "just checking"); |
|
10546 | 675 |
klassOop ak = klassOop(java_class->obj_field(_array_klass_offset)); |
1 | 676 |
BasicType type = T_VOID; |
677 |
if (ak != NULL) { |
|
678 |
// Note: create_basic_type_mirror above initializes ak to a non-null value. |
|
679 |
type = arrayKlass::cast(ak)->element_type(); |
|
680 |
} else { |
|
681 |
assert(java_class == Universe::void_mirror(), "only valid non-array primitive"); |
|
682 |
} |
|
683 |
assert(Universe::java_mirror(type) == java_class, "must be consistent"); |
|
684 |
return type; |
|
685 |
} |
|
686 |
||
2332
5c7b6f4ce0a1
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diff
changeset
|
687 |
BasicType java_lang_Class::as_BasicType(oop java_class, klassOop* reference_klass) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
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diff
changeset
|
688 |
assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
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diff
changeset
|
689 |
if (is_primitive(java_class)) { |
5c7b6f4ce0a1
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diff
changeset
|
690 |
if (reference_klass != NULL) |
5c7b6f4ce0a1
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diff
changeset
|
691 |
(*reference_klass) = NULL; |
5c7b6f4ce0a1
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diff
changeset
|
692 |
return primitive_type(java_class); |
5c7b6f4ce0a1
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diff
changeset
|
693 |
} else { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
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parents:
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diff
changeset
|
694 |
if (reference_klass != NULL) |
5c7b6f4ce0a1
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diff
changeset
|
695 |
(*reference_klass) = as_klassOop(java_class); |
5c7b6f4ce0a1
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changeset
|
696 |
return T_OBJECT; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
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parents:
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diff
changeset
|
697 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
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diff
changeset
|
698 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
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diff
changeset
|
699 |
|
1 | 700 |
|
701 |
oop java_lang_Class::primitive_mirror(BasicType t) { |
|
702 |
oop mirror = Universe::java_mirror(t); |
|
4571 | 703 |
assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class"); |
1 | 704 |
assert(java_lang_Class::is_primitive(mirror), "must be primitive"); |
705 |
return mirror; |
|
706 |
} |
|
707 |
||
708 |
bool java_lang_Class::offsets_computed = false; |
|
709 |
int java_lang_Class::classRedefinedCount_offset = -1; |
|
710 |
||
711 |
void java_lang_Class::compute_offsets() { |
|
712 |
assert(!offsets_computed, "offsets should be initialized only once"); |
|
713 |
offsets_computed = true; |
|
714 |
||
10546 | 715 |
klassOop klass_oop = SystemDictionary::Class_klass(); |
1 | 716 |
// The classRedefinedCount field is only present starting in 1.5, |
717 |
// so don't go fatal. |
|
379
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diff
changeset
|
718 |
compute_optional_offset(classRedefinedCount_offset, |
10546 | 719 |
klass_oop, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature()); |
720 |
||
721 |
CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
|
1 | 722 |
} |
723 |
||
724 |
int java_lang_Class::classRedefinedCount(oop the_class_mirror) { |
|
725 |
if (!JDK_Version::is_gte_jdk15x_version() |
|
726 |
|| classRedefinedCount_offset == -1) { |
|
727 |
// The classRedefinedCount field is only present starting in 1.5. |
|
728 |
// If we don't have an offset for it then just return -1 as a marker. |
|
729 |
return -1; |
|
730 |
} |
|
731 |
||
732 |
return the_class_mirror->int_field(classRedefinedCount_offset); |
|
733 |
} |
|
734 |
||
735 |
void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) { |
|
736 |
if (!JDK_Version::is_gte_jdk15x_version() |
|
737 |
|| classRedefinedCount_offset == -1) { |
|
738 |
// The classRedefinedCount field is only present starting in 1.5. |
|
739 |
// If we don't have an offset for it then nothing to set. |
|
740 |
return; |
|
741 |
} |
|
742 |
||
743 |
the_class_mirror->int_field_put(classRedefinedCount_offset, value); |
|
744 |
} |
|
745 |
||
746 |
||
747 |
// Note: JDK1.1 and before had a privateInfo_offset field which was used for the |
|
748 |
// platform thread structure, and a eetop offset which was used for thread |
|
749 |
// local storage (and unused by the HotSpot VM). In JDK1.2 the two structures |
|
750 |
// merged, so in the HotSpot VM we just use the eetop field for the thread |
|
751 |
// instead of the privateInfo_offset. |
|
752 |
// |
|
753 |
// Note: The stackSize field is only present starting in 1.4. |
|
754 |
||
755 |
int java_lang_Thread::_name_offset = 0; |
|
756 |
int java_lang_Thread::_group_offset = 0; |
|
757 |
int java_lang_Thread::_contextClassLoader_offset = 0; |
|
758 |
int java_lang_Thread::_inheritedAccessControlContext_offset = 0; |
|
759 |
int java_lang_Thread::_priority_offset = 0; |
|
760 |
int java_lang_Thread::_eetop_offset = 0; |
|
761 |
int java_lang_Thread::_daemon_offset = 0; |
|
762 |
int java_lang_Thread::_stillborn_offset = 0; |
|
763 |
int java_lang_Thread::_stackSize_offset = 0; |
|
764 |
int java_lang_Thread::_tid_offset = 0; |
|
765 |
int java_lang_Thread::_thread_status_offset = 0; |
|
766 |
int java_lang_Thread::_park_blocker_offset = 0; |
|
767 |
int java_lang_Thread::_park_event_offset = 0 ; |
|
768 |
||
769 |
||
770 |
void java_lang_Thread::compute_offsets() { |
|
771 |
assert(_group_offset == 0, "offsets should be initialized only once"); |
|
772 |
||
4571 | 773 |
klassOop k = SystemDictionary::Thread_klass(); |
379
10767ca40189
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parents:
360
diff
changeset
|
774 |
compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::char_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
775 |
compute_offset(_group_offset, k, vmSymbols::group_name(), vmSymbols::threadgroup_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
776 |
compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
777 |
compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
778 |
compute_offset(_priority_offset, k, vmSymbols::priority_name(), vmSymbols::int_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
779 |
compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
780 |
compute_offset(_eetop_offset, k, vmSymbols::eetop_name(), vmSymbols::long_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
781 |
compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature()); |
1 | 782 |
// The stackSize field is only present starting in 1.4, so don't go fatal. |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
783 |
compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature()); |
1 | 784 |
// The tid and thread_status fields are only present starting in 1.5, so don't go fatal. |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
785 |
compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
786 |
compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature()); |
1 | 787 |
// The parkBlocker field is only present starting in 1.6, so don't go fatal. |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
788 |
compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
789 |
compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(), |
1 | 790 |
vmSymbols::long_signature()); |
791 |
} |
|
792 |
||
793 |
||
794 |
JavaThread* java_lang_Thread::thread(oop java_thread) { |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
795 |
return (JavaThread*)java_thread->address_field(_eetop_offset); |
1 | 796 |
} |
797 |
||
798 |
||
799 |
void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) { |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
800 |
java_thread->address_field_put(_eetop_offset, (address)thread); |
1 | 801 |
} |
802 |
||
803 |
||
804 |
typeArrayOop java_lang_Thread::name(oop java_thread) { |
|
805 |
oop name = java_thread->obj_field(_name_offset); |
|
806 |
assert(name == NULL || (name->is_typeArray() && typeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking"); |
|
807 |
return typeArrayOop(name); |
|
808 |
} |
|
809 |
||
810 |
||
811 |
void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) { |
|
812 |
assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL"); |
|
813 |
java_thread->obj_field_put(_name_offset, name); |
|
814 |
} |
|
815 |
||
816 |
||
817 |
ThreadPriority java_lang_Thread::priority(oop java_thread) { |
|
818 |
return (ThreadPriority)java_thread->int_field(_priority_offset); |
|
819 |
} |
|
820 |
||
821 |
||
822 |
void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) { |
|
823 |
java_thread->int_field_put(_priority_offset, priority); |
|
824 |
} |
|
825 |
||
826 |
||
827 |
oop java_lang_Thread::threadGroup(oop java_thread) { |
|
828 |
return java_thread->obj_field(_group_offset); |
|
829 |
} |
|
830 |
||
831 |
||
832 |
bool java_lang_Thread::is_stillborn(oop java_thread) { |
|
833 |
return java_thread->bool_field(_stillborn_offset) != 0; |
|
834 |
} |
|
835 |
||
836 |
||
837 |
// We never have reason to turn the stillborn bit off |
|
838 |
void java_lang_Thread::set_stillborn(oop java_thread) { |
|
839 |
java_thread->bool_field_put(_stillborn_offset, true); |
|
840 |
} |
|
841 |
||
842 |
||
843 |
bool java_lang_Thread::is_alive(oop java_thread) { |
|
844 |
JavaThread* thr = java_lang_Thread::thread(java_thread); |
|
845 |
return (thr != NULL); |
|
846 |
} |
|
847 |
||
848 |
||
849 |
bool java_lang_Thread::is_daemon(oop java_thread) { |
|
850 |
return java_thread->bool_field(_daemon_offset) != 0; |
|
851 |
} |
|
852 |
||
853 |
||
854 |
void java_lang_Thread::set_daemon(oop java_thread) { |
|
855 |
java_thread->bool_field_put(_daemon_offset, true); |
|
856 |
} |
|
857 |
||
858 |
oop java_lang_Thread::context_class_loader(oop java_thread) { |
|
859 |
return java_thread->obj_field(_contextClassLoader_offset); |
|
860 |
} |
|
861 |
||
862 |
oop java_lang_Thread::inherited_access_control_context(oop java_thread) { |
|
863 |
return java_thread->obj_field(_inheritedAccessControlContext_offset); |
|
864 |
} |
|
865 |
||
866 |
||
867 |
jlong java_lang_Thread::stackSize(oop java_thread) { |
|
868 |
// The stackSize field is only present starting in 1.4 |
|
869 |
if (_stackSize_offset > 0) { |
|
870 |
assert(JDK_Version::is_gte_jdk14x_version(), "sanity check"); |
|
871 |
return java_thread->long_field(_stackSize_offset); |
|
872 |
} else { |
|
873 |
return 0; |
|
874 |
} |
|
875 |
} |
|
876 |
||
877 |
// Write the thread status value to threadStatus field in java.lang.Thread java class. |
|
878 |
void java_lang_Thread::set_thread_status(oop java_thread, |
|
879 |
java_lang_Thread::ThreadStatus status) { |
|
880 |
assert(JavaThread::current()->thread_state() == _thread_in_vm, "Java Thread is not running in vm"); |
|
881 |
// The threadStatus is only present starting in 1.5 |
|
882 |
if (_thread_status_offset > 0) { |
|
883 |
java_thread->int_field_put(_thread_status_offset, status); |
|
884 |
} |
|
885 |
} |
|
886 |
||
887 |
// Read thread status value from threadStatus field in java.lang.Thread java class. |
|
888 |
java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) { |
|
889 |
assert(Thread::current()->is_VM_thread() || |
|
890 |
JavaThread::current()->thread_state() == _thread_in_vm, |
|
891 |
"Java Thread is not running in vm"); |
|
892 |
// The threadStatus is only present starting in 1.5 |
|
893 |
if (_thread_status_offset > 0) { |
|
894 |
return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); |
|
895 |
} else { |
|
896 |
// All we can easily figure out is if it is alive, but that is |
|
897 |
// enough info for a valid unknown status. |
|
898 |
// These aren't restricted to valid set ThreadStatus values, so |
|
899 |
// use JVMTI values and cast. |
|
900 |
JavaThread* thr = java_lang_Thread::thread(java_thread); |
|
901 |
if (thr == NULL) { |
|
902 |
// the thread hasn't run yet or is in the process of exiting |
|
903 |
return NEW; |
|
904 |
} |
|
905 |
return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE; |
|
906 |
} |
|
907 |
} |
|
908 |
||
909 |
||
910 |
jlong java_lang_Thread::thread_id(oop java_thread) { |
|
911 |
// The thread ID field is only present starting in 1.5 |
|
912 |
if (_tid_offset > 0) { |
|
913 |
return java_thread->long_field(_tid_offset); |
|
914 |
} else { |
|
915 |
return 0; |
|
916 |
} |
|
917 |
} |
|
918 |
||
919 |
oop java_lang_Thread::park_blocker(oop java_thread) { |
|
950 | 920 |
assert(JDK_Version::current().supports_thread_park_blocker() && |
921 |
_park_blocker_offset != 0, "Must support parkBlocker field"); |
|
1 | 922 |
|
923 |
if (_park_blocker_offset > 0) { |
|
924 |
return java_thread->obj_field(_park_blocker_offset); |
|
925 |
} |
|
926 |
||
927 |
return NULL; |
|
928 |
} |
|
929 |
||
930 |
jlong java_lang_Thread::park_event(oop java_thread) { |
|
931 |
if (_park_event_offset > 0) { |
|
932 |
return java_thread->long_field(_park_event_offset); |
|
933 |
} |
|
934 |
return 0; |
|
935 |
} |
|
936 |
||
937 |
bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) { |
|
938 |
if (_park_event_offset > 0) { |
|
939 |
java_thread->long_field_put(_park_event_offset, ptr); |
|
940 |
return true; |
|
941 |
} |
|
942 |
return false; |
|
943 |
} |
|
944 |
||
945 |
||
946 |
const char* java_lang_Thread::thread_status_name(oop java_thread) { |
|
947 |
assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status"); |
|
948 |
ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); |
|
949 |
switch (status) { |
|
950 |
case NEW : return "NEW"; |
|
951 |
case RUNNABLE : return "RUNNABLE"; |
|
952 |
case SLEEPING : return "TIMED_WAITING (sleeping)"; |
|
953 |
case IN_OBJECT_WAIT : return "WAITING (on object monitor)"; |
|
954 |
case IN_OBJECT_WAIT_TIMED : return "TIMED_WAITING (on object monitor)"; |
|
955 |
case PARKED : return "WAITING (parking)"; |
|
956 |
case PARKED_TIMED : return "TIMED_WAITING (parking)"; |
|
957 |
case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)"; |
|
958 |
case TERMINATED : return "TERMINATED"; |
|
959 |
default : return "UNKNOWN"; |
|
960 |
}; |
|
961 |
} |
|
962 |
int java_lang_ThreadGroup::_parent_offset = 0; |
|
963 |
int java_lang_ThreadGroup::_name_offset = 0; |
|
964 |
int java_lang_ThreadGroup::_threads_offset = 0; |
|
965 |
int java_lang_ThreadGroup::_groups_offset = 0; |
|
966 |
int java_lang_ThreadGroup::_maxPriority_offset = 0; |
|
967 |
int java_lang_ThreadGroup::_destroyed_offset = 0; |
|
968 |
int java_lang_ThreadGroup::_daemon_offset = 0; |
|
969 |
int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0; |
|
970 |
int java_lang_ThreadGroup::_nthreads_offset = 0; |
|
971 |
int java_lang_ThreadGroup::_ngroups_offset = 0; |
|
972 |
||
973 |
oop java_lang_ThreadGroup::parent(oop java_thread_group) { |
|
974 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
975 |
return java_thread_group->obj_field(_parent_offset); |
|
976 |
} |
|
977 |
||
978 |
// ("name as oop" accessor is not necessary) |
|
979 |
||
980 |
typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) { |
|
981 |
oop name = java_thread_group->obj_field(_name_offset); |
|
982 |
// ThreadGroup.name can be null |
|
983 |
return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name); |
|
984 |
} |
|
985 |
||
986 |
int java_lang_ThreadGroup::nthreads(oop java_thread_group) { |
|
987 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
988 |
return java_thread_group->int_field(_nthreads_offset); |
|
989 |
} |
|
990 |
||
991 |
objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) { |
|
992 |
oop threads = java_thread_group->obj_field(_threads_offset); |
|
993 |
assert(threads != NULL, "threadgroups should have threads"); |
|
994 |
assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code |
|
995 |
return objArrayOop(threads); |
|
996 |
} |
|
997 |
||
998 |
int java_lang_ThreadGroup::ngroups(oop java_thread_group) { |
|
999 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
1000 |
return java_thread_group->int_field(_ngroups_offset); |
|
1001 |
} |
|
1002 |
||
1003 |
objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) { |
|
1004 |
oop groups = java_thread_group->obj_field(_groups_offset); |
|
1005 |
assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code |
|
1006 |
return objArrayOop(groups); |
|
1007 |
} |
|
1008 |
||
1009 |
ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) { |
|
1010 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
1011 |
return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset); |
|
1012 |
} |
|
1013 |
||
1014 |
bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) { |
|
1015 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
1016 |
return java_thread_group->bool_field(_destroyed_offset) != 0; |
|
1017 |
} |
|
1018 |
||
1019 |
bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) { |
|
1020 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
1021 |
return java_thread_group->bool_field(_daemon_offset) != 0; |
|
1022 |
} |
|
1023 |
||
1024 |
bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) { |
|
1025 |
assert(java_thread_group->is_oop(), "thread group must be oop"); |
|
1026 |
return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0; |
|
1027 |
} |
|
1028 |
||
1029 |
void java_lang_ThreadGroup::compute_offsets() { |
|
1030 |
assert(_parent_offset == 0, "offsets should be initialized only once"); |
|
1031 |
||
4571 | 1032 |
klassOop k = SystemDictionary::ThreadGroup_klass(); |
1 | 1033 |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1034 |
compute_offset(_parent_offset, k, vmSymbols::parent_name(), vmSymbols::threadgroup_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1035 |
compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1036 |
compute_offset(_threads_offset, k, vmSymbols::threads_name(), vmSymbols::thread_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1037 |
compute_offset(_groups_offset, k, vmSymbols::groups_name(), vmSymbols::threadgroup_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1038 |
compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1039 |
compute_offset(_destroyed_offset, k, vmSymbols::destroyed_name(), vmSymbols::bool_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1040 |
compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1041 |
compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1042 |
compute_offset(_nthreads_offset, k, vmSymbols::nthreads_name(), vmSymbols::int_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
1043 |
compute_offset(_ngroups_offset, k, vmSymbols::ngroups_name(), vmSymbols::int_signature()); |
1 | 1044 |
} |
1045 |
||
10233
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1046 |
oop java_lang_Throwable::unassigned_stacktrace() { |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1047 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::Throwable_klass()); |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1048 |
address addr = ik->static_field_addr(static_unassigned_stacktrace_offset); |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1049 |
if (UseCompressedOops) { |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1050 |
return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1051 |
} else { |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1052 |
return oopDesc::load_decode_heap_oop((oop*)addr); |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1053 |
} |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1054 |
} |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1055 |
|
1 | 1056 |
oop java_lang_Throwable::backtrace(oop throwable) { |
1057 |
return throwable->obj_field_acquire(backtrace_offset); |
|
1058 |
} |
|
1059 |
||
1060 |
||
1061 |
void java_lang_Throwable::set_backtrace(oop throwable, oop value) { |
|
1062 |
throwable->release_obj_field_put(backtrace_offset, value); |
|
1063 |
} |
|
1064 |
||
1065 |
||
1066 |
oop java_lang_Throwable::message(oop throwable) { |
|
1067 |
return throwable->obj_field(detailMessage_offset); |
|
1068 |
} |
|
1069 |
||
1070 |
||
1071 |
oop java_lang_Throwable::message(Handle throwable) { |
|
1072 |
return throwable->obj_field(detailMessage_offset); |
|
1073 |
} |
|
1074 |
||
1075 |
||
1076 |
void java_lang_Throwable::set_message(oop throwable, oop value) { |
|
1077 |
throwable->obj_field_put(detailMessage_offset, value); |
|
1078 |
} |
|
1079 |
||
1080 |
||
10233
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1081 |
void java_lang_Throwable::set_stacktrace(oop throwable, oop st_element_array) { |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1082 |
throwable->obj_field_put(stackTrace_offset, st_element_array); |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1083 |
} |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1084 |
|
1 | 1085 |
void java_lang_Throwable::clear_stacktrace(oop throwable) { |
1086 |
assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); |
|
10233
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1087 |
set_stacktrace(throwable, NULL); |
1 | 1088 |
} |
1089 |
||
1090 |
||
1091 |
void java_lang_Throwable::print(oop throwable, outputStream* st) { |
|
1092 |
ResourceMark rm; |
|
1093 |
klassOop k = throwable->klass(); |
|
1094 |
assert(k != NULL, "just checking"); |
|
1095 |
st->print("%s", instanceKlass::cast(k)->external_name()); |
|
1096 |
oop msg = message(throwable); |
|
1097 |
if (msg != NULL) { |
|
1098 |
st->print(": %s", java_lang_String::as_utf8_string(msg)); |
|
1099 |
} |
|
1100 |
} |
|
1101 |
||
1102 |
||
1103 |
void java_lang_Throwable::print(Handle throwable, outputStream* st) { |
|
1104 |
ResourceMark rm; |
|
1105 |
klassOop k = throwable->klass(); |
|
1106 |
assert(k != NULL, "just checking"); |
|
1107 |
st->print("%s", instanceKlass::cast(k)->external_name()); |
|
1108 |
oop msg = message(throwable); |
|
1109 |
if (msg != NULL) { |
|
1110 |
st->print(": %s", java_lang_String::as_utf8_string(msg)); |
|
1111 |
} |
|
1112 |
} |
|
1113 |
||
1114 |
// Print stack trace element to resource allocated buffer |
|
1115 |
char* java_lang_Throwable::print_stack_element_to_buffer(methodOop method, int bci) { |
|
1116 |
// Get strings and string lengths |
|
1117 |
instanceKlass* klass = instanceKlass::cast(method->method_holder()); |
|
1118 |
const char* klass_name = klass->external_name(); |
|
1119 |
int buf_len = (int)strlen(klass_name); |
|
1120 |
char* source_file_name; |
|
1121 |
if (klass->source_file_name() == NULL) { |
|
1122 |
source_file_name = NULL; |
|
1123 |
} else { |
|
1124 |
source_file_name = klass->source_file_name()->as_C_string(); |
|
1125 |
buf_len += (int)strlen(source_file_name); |
|
1126 |
} |
|
1127 |
char* method_name = method->name()->as_C_string(); |
|
1128 |
buf_len += (int)strlen(method_name); |
|
1129 |
||
1130 |
// Allocate temporary buffer with extra space for formatting and line number |
|
1131 |
char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64); |
|
1132 |
||
1133 |
// Print stack trace line in buffer |
|
1134 |
sprintf(buf, "\tat %s.%s", klass_name, method_name); |
|
1135 |
if (method->is_native()) { |
|
1136 |
strcat(buf, "(Native Method)"); |
|
1137 |
} else { |
|
1138 |
int line_number = method->line_number_from_bci(bci); |
|
1139 |
if (source_file_name != NULL && (line_number != -1)) { |
|
1140 |
// Sourcename and linenumber |
|
1141 |
sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number); |
|
1142 |
} else if (source_file_name != NULL) { |
|
1143 |
// Just sourcename |
|
1144 |
sprintf(buf + (int)strlen(buf), "(%s)", source_file_name); |
|
1145 |
} else { |
|
1146 |
// Neither soucename and linenumber |
|
1147 |
sprintf(buf + (int)strlen(buf), "(Unknown Source)"); |
|
1148 |
} |
|
1149 |
nmethod* nm = method->code(); |
|
1150 |
if (WizardMode && nm != NULL) { |
|
10565 | 1151 |
sprintf(buf + (int)strlen(buf), "(nmethod " INTPTR_FORMAT ")", (intptr_t)nm); |
1 | 1152 |
} |
1153 |
} |
|
1154 |
||
1155 |
return buf; |
|
1156 |
} |
|
1157 |
||
1158 |
||
1159 |
void java_lang_Throwable::print_stack_element(Handle stream, methodOop method, int bci) { |
|
1160 |
ResourceMark rm; |
|
1161 |
char* buf = print_stack_element_to_buffer(method, bci); |
|
1162 |
print_to_stream(stream, buf); |
|
1163 |
} |
|
1164 |
||
1165 |
void java_lang_Throwable::print_stack_element(outputStream *st, methodOop method, int bci) { |
|
1166 |
ResourceMark rm; |
|
1167 |
char* buf = print_stack_element_to_buffer(method, bci); |
|
1168 |
st->print_cr("%s", buf); |
|
1169 |
} |
|
1170 |
||
1171 |
void java_lang_Throwable::print_to_stream(Handle stream, const char* str) { |
|
1172 |
if (stream.is_null()) { |
|
1173 |
tty->print_cr("%s", str); |
|
1174 |
} else { |
|
1175 |
EXCEPTION_MARK; |
|
1176 |
JavaValue result(T_VOID); |
|
1177 |
Handle arg (THREAD, oopFactory::new_charArray(str, THREAD)); |
|
1178 |
if (!HAS_PENDING_EXCEPTION) { |
|
1179 |
JavaCalls::call_virtual(&result, |
|
1180 |
stream, |
|
1181 |
KlassHandle(THREAD, stream->klass()), |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1182 |
vmSymbols::println_name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1183 |
vmSymbols::char_array_void_signature(), |
1 | 1184 |
arg, |
1185 |
THREAD); |
|
1186 |
} |
|
1187 |
// Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. |
|
1188 |
if (HAS_PENDING_EXCEPTION) CLEAR_PENDING_EXCEPTION; |
|
1189 |
} |
|
1190 |
||
1191 |
} |
|
1192 |
||
1193 |
||
1194 |
const char* java_lang_Throwable::no_stack_trace_message() { |
|
1195 |
return "\t<<no stack trace available>>"; |
|
1196 |
} |
|
1197 |
||
1198 |
||
1199 |
// Currently used only for exceptions occurring during startup |
|
1200 |
void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) { |
|
1201 |
Thread *THREAD = Thread::current(); |
|
1202 |
Handle h_throwable(THREAD, throwable); |
|
1203 |
while (h_throwable.not_null()) { |
|
1204 |
objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable()))); |
|
1205 |
if (result.is_null()) { |
|
1206 |
st->print_cr(no_stack_trace_message()); |
|
1207 |
return; |
|
1208 |
} |
|
1209 |
||
1210 |
while (result.not_null()) { |
|
1211 |
objArrayHandle methods (THREAD, |
|
1212 |
objArrayOop(result->obj_at(trace_methods_offset))); |
|
1213 |
typeArrayHandle bcis (THREAD, |
|
1214 |
typeArrayOop(result->obj_at(trace_bcis_offset))); |
|
1215 |
||
1216 |
if (methods.is_null() || bcis.is_null()) { |
|
1217 |
st->print_cr(no_stack_trace_message()); |
|
1218 |
return; |
|
1219 |
} |
|
1220 |
||
1221 |
int length = methods()->length(); |
|
1222 |
for (int index = 0; index < length; index++) { |
|
1223 |
methodOop method = methodOop(methods()->obj_at(index)); |
|
1224 |
if (method == NULL) goto handle_cause; |
|
1225 |
int bci = bcis->ushort_at(index); |
|
1226 |
print_stack_element(st, method, bci); |
|
1227 |
} |
|
1228 |
result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset))); |
|
1229 |
} |
|
1230 |
handle_cause: |
|
1231 |
{ |
|
1232 |
EXCEPTION_MARK; |
|
1233 |
JavaValue result(T_OBJECT); |
|
1234 |
JavaCalls::call_virtual(&result, |
|
1235 |
h_throwable, |
|
1236 |
KlassHandle(THREAD, h_throwable->klass()), |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1237 |
vmSymbols::getCause_name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
1238 |
vmSymbols::void_throwable_signature(), |
1 | 1239 |
THREAD); |
1240 |
// Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. |
|
1241 |
if (HAS_PENDING_EXCEPTION) { |
|
1242 |
CLEAR_PENDING_EXCEPTION; |
|
1243 |
h_throwable = Handle(); |
|
1244 |
} else { |
|
1245 |
h_throwable = Handle(THREAD, (oop) result.get_jobject()); |
|
1246 |
if (h_throwable.not_null()) { |
|
1247 |
st->print("Caused by: "); |
|
1248 |
print(h_throwable, st); |
|
1249 |
st->cr(); |
|
1250 |
} |
|
1251 |
} |
|
1252 |
} |
|
1253 |
} |
|
1254 |
} |
|
1255 |
||
1256 |
||
1257 |
void java_lang_Throwable::print_stack_trace(oop throwable, oop print_stream) { |
|
1258 |
// Note: this is no longer used in Merlin, but we support it for compatibility. |
|
1259 |
Thread *thread = Thread::current(); |
|
1260 |
Handle stream(thread, print_stream); |
|
1261 |
objArrayHandle result (thread, objArrayOop(backtrace(throwable))); |
|
1262 |
if (result.is_null()) { |
|
1263 |
print_to_stream(stream, no_stack_trace_message()); |
|
1264 |
return; |
|
1265 |
} |
|
1266 |
||
1267 |
while (result.not_null()) { |
|
1268 |
objArrayHandle methods (thread, |
|
1269 |
objArrayOop(result->obj_at(trace_methods_offset))); |
|
1270 |
typeArrayHandle bcis (thread, |
|
1271 |
typeArrayOop(result->obj_at(trace_bcis_offset))); |
|
1272 |
||
1273 |
if (methods.is_null() || bcis.is_null()) { |
|
1274 |
print_to_stream(stream, no_stack_trace_message()); |
|
1275 |
return; |
|
1276 |
} |
|
1277 |
||
1278 |
int length = methods()->length(); |
|
1279 |
for (int index = 0; index < length; index++) { |
|
1280 |
methodOop method = methodOop(methods()->obj_at(index)); |
|
1281 |
if (method == NULL) return; |
|
1282 |
int bci = bcis->ushort_at(index); |
|
1283 |
print_stack_element(stream, method, bci); |
|
1284 |
} |
|
1285 |
result = objArrayHandle(thread, objArrayOop(result->obj_at(trace_next_offset))); |
|
1286 |
} |
|
1287 |
} |
|
1288 |
||
1289 |
// This class provides a simple wrapper over the internal structure of |
|
1290 |
// exception backtrace to insulate users of the backtrace from needing |
|
1291 |
// to know what it looks like. |
|
1292 |
class BacktraceBuilder: public StackObj { |
|
1293 |
private: |
|
1294 |
Handle _backtrace; |
|
1295 |
objArrayOop _head; |
|
1296 |
objArrayOop _methods; |
|
1297 |
typeArrayOop _bcis; |
|
1298 |
int _index; |
|
1299 |
No_Safepoint_Verifier _nsv; |
|
1300 |
||
1301 |
public: |
|
1302 |
||
1303 |
enum { |
|
1304 |
trace_methods_offset = java_lang_Throwable::trace_methods_offset, |
|
1305 |
trace_bcis_offset = java_lang_Throwable::trace_bcis_offset, |
|
1306 |
trace_next_offset = java_lang_Throwable::trace_next_offset, |
|
1307 |
trace_size = java_lang_Throwable::trace_size, |
|
1308 |
trace_chunk_size = java_lang_Throwable::trace_chunk_size |
|
1309 |
}; |
|
1310 |
||
1311 |
// constructor for new backtrace |
|
9993
63c053ade92d
6918185: Remove unused code for lost card-marking optimization in BacktraceBuilder
brutisso
parents:
9630
diff
changeset
|
1312 |
BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL) { |
1 | 1313 |
expand(CHECK); |
1314 |
_backtrace = _head; |
|
1315 |
_index = 0; |
|
1316 |
} |
|
1317 |
||
1318 |
void expand(TRAPS) { |
|
1319 |
objArrayHandle old_head(THREAD, _head); |
|
1320 |
Pause_No_Safepoint_Verifier pnsv(&_nsv); |
|
1321 |
||
1322 |
objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK); |
|
1323 |
objArrayHandle new_head(THREAD, head); |
|
1324 |
||
1325 |
objArrayOop methods = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
|
1326 |
objArrayHandle new_methods(THREAD, methods); |
|
1327 |
||
1328 |
typeArrayOop bcis = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
|
1329 |
typeArrayHandle new_bcis(THREAD, bcis); |
|
1330 |
||
1331 |
if (!old_head.is_null()) { |
|
1332 |
old_head->obj_at_put(trace_next_offset, new_head()); |
|
1333 |
} |
|
1334 |
new_head->obj_at_put(trace_methods_offset, new_methods()); |
|
1335 |
new_head->obj_at_put(trace_bcis_offset, new_bcis()); |
|
1336 |
||
1337 |
_head = new_head(); |
|
1338 |
_methods = new_methods(); |
|
1339 |
_bcis = new_bcis(); |
|
1340 |
_index = 0; |
|
1341 |
} |
|
1342 |
||
1343 |
oop backtrace() { |
|
1344 |
return _backtrace(); |
|
1345 |
} |
|
1346 |
||
1347 |
inline void push(methodOop method, short bci, TRAPS) { |
|
1348 |
if (_index >= trace_chunk_size) { |
|
1349 |
methodHandle mhandle(THREAD, method); |
|
1350 |
expand(CHECK); |
|
1351 |
method = mhandle(); |
|
1352 |
} |
|
1353 |
||
4886
a2f9a66475b3
6904516: More object array barrier fixes, following up on 6906727
ysr
parents:
4571
diff
changeset
|
1354 |
_methods->obj_at_put(_index, method); |
1 | 1355 |
_bcis->ushort_at_put(_index, bci); |
1356 |
_index++; |
|
1357 |
} |
|
1358 |
||
1359 |
methodOop current_method() { |
|
1360 |
assert(_index >= 0 && _index < trace_chunk_size, "out of range"); |
|
1361 |
return methodOop(_methods->obj_at(_index)); |
|
1362 |
} |
|
1363 |
||
1364 |
jushort current_bci() { |
|
1365 |
assert(_index >= 0 && _index < trace_chunk_size, "out of range"); |
|
1366 |
return _bcis->ushort_at(_index); |
|
1367 |
} |
|
1368 |
}; |
|
1369 |
||
1370 |
||
9321
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1371 |
void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) { |
1 | 1372 |
if (!StackTraceInThrowable) return; |
1373 |
ResourceMark rm(THREAD); |
|
1374 |
||
1375 |
// Start out by clearing the backtrace for this object, in case the VM |
|
1376 |
// runs out of memory while allocating the stack trace |
|
1377 |
set_backtrace(throwable(), NULL); |
|
1378 |
if (JDK_Version::is_gte_jdk14x_version()) { |
|
1379 |
// New since 1.4, clear lazily constructed Java level stacktrace if |
|
1380 |
// refilling occurs |
|
10233
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1381 |
// This is unnecessary in 1.7+ but harmless |
1 | 1382 |
clear_stacktrace(throwable()); |
1383 |
} |
|
1384 |
||
1385 |
int max_depth = MaxJavaStackTraceDepth; |
|
1386 |
JavaThread* thread = (JavaThread*)THREAD; |
|
1387 |
BacktraceBuilder bt(CHECK); |
|
1388 |
||
9321
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1389 |
// If there is no Java frame just return the method that was being called |
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1390 |
// with bci 0 |
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1391 |
if (!thread->has_last_Java_frame()) { |
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1392 |
if (max_depth >= 1 && method() != NULL) { |
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1393 |
bt.push(method(), 0, CHECK); |
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1394 |
set_backtrace(throwable(), bt.backtrace()); |
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1395 |
} |
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1396 |
return; |
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1397 |
} |
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1398 |
|
1 | 1399 |
// Instead of using vframe directly, this version of fill_in_stack_trace |
1400 |
// basically handles everything by hand. This significantly improved the |
|
1401 |
// speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows. |
|
1402 |
// See bug 6333838 for more details. |
|
1403 |
// The "ASSERT" here is to verify this method generates the exactly same stack |
|
1404 |
// trace as utilizing vframe. |
|
1405 |
#ifdef ASSERT |
|
1406 |
vframeStream st(thread); |
|
1407 |
methodHandle st_method(THREAD, st.method()); |
|
1408 |
#endif |
|
1409 |
int total_count = 0; |
|
1410 |
RegisterMap map(thread, false); |
|
1411 |
int decode_offset = 0; |
|
1412 |
nmethod* nm = NULL; |
|
1413 |
bool skip_fillInStackTrace_check = false; |
|
1414 |
bool skip_throwableInit_check = false; |
|
1415 |
||
1416 |
for (frame fr = thread->last_frame(); max_depth != total_count;) { |
|
1417 |
methodOop method = NULL; |
|
1418 |
int bci = 0; |
|
1419 |
||
1420 |
// Compiled java method case. |
|
1421 |
if (decode_offset != 0) { |
|
1422 |
DebugInfoReadStream stream(nm, decode_offset); |
|
1423 |
decode_offset = stream.read_int(); |
|
1424 |
method = (methodOop)nm->oop_at(stream.read_int()); |
|
3686
69c1b5228547
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents:
3600
diff
changeset
|
1425 |
bci = stream.read_bci(); |
1 | 1426 |
} else { |
1427 |
if (fr.is_first_frame()) break; |
|
1428 |
address pc = fr.pc(); |
|
1429 |
if (fr.is_interpreted_frame()) { |
|
1430 |
intptr_t bcx = fr.interpreter_frame_bcx(); |
|
1431 |
method = fr.interpreter_frame_method(); |
|
1432 |
bci = fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx); |
|
1433 |
fr = fr.sender(&map); |
|
1434 |
} else { |
|
1435 |
CodeBlob* cb = fr.cb(); |
|
1436 |
// HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL |
|
1437 |
// but non nmethod |
|
1438 |
fr = fr.sender(&map); |
|
1439 |
if (cb == NULL || !cb->is_nmethod()) { |
|
1440 |
continue; |
|
1441 |
} |
|
1442 |
nm = (nmethod*)cb; |
|
1443 |
if (nm->method()->is_native()) { |
|
1444 |
method = nm->method(); |
|
1445 |
bci = 0; |
|
1446 |
} else { |
|
1447 |
PcDesc* pd = nm->pc_desc_at(pc); |
|
1448 |
decode_offset = pd->scope_decode_offset(); |
|
1449 |
// if decode_offset is not equal to 0, it will execute the |
|
1450 |
// "compiled java method case" at the beginning of the loop. |
|
1451 |
continue; |
|
1452 |
} |
|
1453 |
} |
|
1454 |
} |
|
1455 |
#ifdef ASSERT |
|
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1456 |
assert(st_method() == method && st.bci() == bci, |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1457 |
"Wrong stack trace"); |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1458 |
st.next(); |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1459 |
// vframeStream::method isn't GC-safe so store off a copy |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1460 |
// of the methodOop in case we GC. |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1461 |
if (!st.at_end()) { |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1462 |
st_method = st.method(); |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1463 |
} |
1 | 1464 |
#endif |
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1465 |
|
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1466 |
// the format of the stacktrace will be: |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1467 |
// - 1 or more fillInStackTrace frames for the exception class (skipped) |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1468 |
// - 0 or more <init> methods for the exception class (skipped) |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1469 |
// - rest of the stack |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1470 |
|
1 | 1471 |
if (!skip_fillInStackTrace_check) { |
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1472 |
if ((method->name() == vmSymbols::fillInStackTrace_name() || |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1473 |
method->name() == vmSymbols::fillInStackTrace0_name()) && |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1474 |
throwable->is_a(method->method_holder())) { |
1 | 1475 |
continue; |
1476 |
} |
|
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1477 |
else { |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1478 |
skip_fillInStackTrace_check = true; // gone past them all |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1479 |
} |
1 | 1480 |
} |
1481 |
if (!skip_throwableInit_check) { |
|
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1482 |
assert(skip_fillInStackTrace_check, "logic error in backtrace filtering"); |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1483 |
|
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1484 |
// skip <init> methods of the exception class and superclasses |
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1485 |
// This is simlar to classic VM. |
1 | 1486 |
if (method->name() == vmSymbols::object_initializer_name() && |
1487 |
throwable->is_a(method->method_holder())) { |
|
1488 |
continue; |
|
1489 |
} else { |
|
9132
59f29856d4b2
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
8728
diff
changeset
|
1490 |
// there are none or we've seen them all - either way stop checking |
1 | 1491 |
skip_throwableInit_check = true; |
1492 |
} |
|
1493 |
} |
|
1494 |
bt.push(method, bci, CHECK); |
|
1495 |
total_count++; |
|
1496 |
} |
|
1497 |
||
1498 |
// Put completed stack trace into throwable object |
|
1499 |
set_backtrace(throwable(), bt.backtrace()); |
|
1500 |
} |
|
1501 |
||
9321
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1502 |
void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) { |
1 | 1503 |
// No-op if stack trace is disabled |
1504 |
if (!StackTraceInThrowable) { |
|
1505 |
return; |
|
1506 |
} |
|
1507 |
||
1508 |
// Disable stack traces for some preallocated out of memory errors |
|
1509 |
if (!Universe::should_fill_in_stack_trace(throwable)) { |
|
1510 |
return; |
|
1511 |
} |
|
1512 |
||
1513 |
PRESERVE_EXCEPTION_MARK; |
|
1514 |
||
1515 |
JavaThread* thread = JavaThread::active(); |
|
9321
c29711c6ae35
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
9133
diff
changeset
|
1516 |
fill_in_stack_trace(throwable, method, thread); |
1 | 1517 |
// ignore exceptions thrown during stack trace filling |
1518 |
CLEAR_PENDING_EXCEPTION; |
|
1519 |
} |
|
1520 |
||
1521 |
void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) { |
|
1522 |
// Allocate stack trace - backtrace is created but not filled in |
|
1523 |
||
1524 |
// No-op if stack trace is disabled |
|
1525 |
if (!StackTraceInThrowable) return; |
|
1526 |
||
1527 |
objArrayOop h_oop = oopFactory::new_objectArray(trace_size, CHECK); |
|
1528 |
objArrayHandle backtrace (THREAD, h_oop); |
|
1529 |
objArrayOop m_oop = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
|
1530 |
objArrayHandle methods (THREAD, m_oop); |
|
1531 |
typeArrayOop b = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
|
1532 |
typeArrayHandle bcis(THREAD, b); |
|
1533 |
||
1534 |
// backtrace has space for one chunk (next is NULL) |
|
1535 |
backtrace->obj_at_put(trace_methods_offset, methods()); |
|
1536 |
backtrace->obj_at_put(trace_bcis_offset, bcis()); |
|
1537 |
set_backtrace(throwable(), backtrace()); |
|
1538 |
} |
|
1539 |
||
1540 |
||
1541 |
void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) { |
|
1542 |
// Fill in stack trace into preallocated backtrace (no GC) |
|
1543 |
||
1544 |
// No-op if stack trace is disabled |
|
1545 |
if (!StackTraceInThrowable) return; |
|
1546 |
||
4571 | 1547 |
assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check"); |
1 | 1548 |
|
1549 |
oop backtrace = java_lang_Throwable::backtrace(throwable()); |
|
1550 |
assert(backtrace != NULL, "backtrace not preallocated"); |
|
1551 |
||
1552 |
oop m = objArrayOop(backtrace)->obj_at(trace_methods_offset); |
|
1553 |
objArrayOop methods = objArrayOop(m); |
|
1554 |
assert(methods != NULL && methods->length() > 0, "method array not preallocated"); |
|
1555 |
||
1556 |
oop b = objArrayOop(backtrace)->obj_at(trace_bcis_offset); |
|
1557 |
typeArrayOop bcis = typeArrayOop(b); |
|
1558 |
assert(bcis != NULL, "bci array not preallocated"); |
|
1559 |
||
1560 |
assert(methods->length() == bcis->length(), "method and bci arrays should match"); |
|
1561 |
||
1562 |
JavaThread* thread = JavaThread::current(); |
|
1563 |
ResourceMark rm(thread); |
|
1564 |
vframeStream st(thread); |
|
1565 |
||
1566 |
// Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init |
|
1567 |
// methods as preallocated errors aren't created by "java" code. |
|
1568 |
||
1569 |
// fill in as much stack trace as possible |
|
1570 |
int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth); |
|
1571 |
int chunk_count = 0; |
|
1572 |
||
1573 |
for (;!st.at_end(); st.next()) { |
|
1574 |
// add element |
|
1575 |
bcis->ushort_at_put(chunk_count, st.bci()); |
|
1576 |
methods->obj_at_put(chunk_count, st.method()); |
|
1577 |
||
1578 |
chunk_count++; |
|
1579 |
||
1580 |
// Bail-out for deep stacks |
|
1581 |
if (chunk_count >= max_chunks) break; |
|
1582 |
} |
|
10233
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1583 |
|
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1584 |
// For Java 7+ we support the Throwable immutability protocol defined for Java 7. This support |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1585 |
// was missing in 7u0 so in 7u0 there is a workaround in the Throwable class. That workaround |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1586 |
// can be removed in a JDK using this JVM version |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1587 |
if (JDK_Version::is_gte_jdk17x_version()) { |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1588 |
java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace()); |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1589 |
assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized"); |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1590 |
} |
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
1591 |
|
1 | 1592 |
} |
1593 |
||
1594 |
||
1595 |
int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) { |
|
1596 |
if (throwable == NULL) { |
|
1597 |
THROW_0(vmSymbols::java_lang_NullPointerException()); |
|
1598 |
} |
|
1599 |
objArrayOop chunk = objArrayOop(backtrace(throwable)); |
|
1600 |
int depth = 0; |
|
1601 |
if (chunk != NULL) { |
|
1602 |
// Iterate over chunks and count full ones |
|
1603 |
while (true) { |
|
1604 |
objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset)); |
|
1605 |
if (next == NULL) break; |
|
1606 |
depth += trace_chunk_size; |
|
1607 |
chunk = next; |
|
1608 |
} |
|
1609 |
assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check"); |
|
1610 |
// Count element in remaining partial chunk |
|
1611 |
objArrayOop methods = objArrayOop(chunk->obj_at(trace_methods_offset)); |
|
1612 |
typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
|
1613 |
assert(methods != NULL && bcis != NULL, "sanity check"); |
|
1614 |
for (int i = 0; i < methods->length(); i++) { |
|
1615 |
if (methods->obj_at(i) == NULL) break; |
|
1616 |
depth++; |
|
1617 |
} |
|
1618 |
} |
|
1619 |
return depth; |
|
1620 |
} |
|
1621 |
||
1622 |
||
1623 |
oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) { |
|
1624 |
if (throwable == NULL) { |
|
1625 |
THROW_0(vmSymbols::java_lang_NullPointerException()); |
|
1626 |
} |
|
1627 |
if (index < 0) { |
|
1628 |
THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
|
1629 |
} |
|
1630 |
// Compute how many chunks to skip and index into actual chunk |
|
1631 |
objArrayOop chunk = objArrayOop(backtrace(throwable)); |
|
1632 |
int skip_chunks = index / trace_chunk_size; |
|
1633 |
int chunk_index = index % trace_chunk_size; |
|
1634 |
while (chunk != NULL && skip_chunks > 0) { |
|
1635 |
chunk = objArrayOop(chunk->obj_at(trace_next_offset)); |
|
1636 |
skip_chunks--; |
|
1637 |
} |
|
1638 |
if (chunk == NULL) { |
|
1639 |
THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
|
1640 |
} |
|
1641 |
// Get method,bci from chunk |
|
1642 |
objArrayOop methods = objArrayOop(chunk->obj_at(trace_methods_offset)); |
|
1643 |
typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
|
1644 |
assert(methods != NULL && bcis != NULL, "sanity check"); |
|
1645 |
methodHandle method(THREAD, methodOop(methods->obj_at(chunk_index))); |
|
1646 |
int bci = bcis->ushort_at(chunk_index); |
|
1647 |
// Chunk can be partial full |
|
1648 |
if (method.is_null()) { |
|
1649 |
THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
|
1650 |
} |
|
1651 |
||
1652 |
oop element = java_lang_StackTraceElement::create(method, bci, CHECK_0); |
|
1653 |
return element; |
|
1654 |
} |
|
1655 |
||
1656 |
oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) { |
|
1657 |
// SystemDictionary::stackTraceElement_klass() will be null for pre-1.4 JDKs |
|
1658 |
assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); |
|
1659 |
||
1660 |
// Allocate java.lang.StackTraceElement instance |
|
4571 | 1661 |
klassOop k = SystemDictionary::StackTraceElement_klass(); |
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|
1662 |
assert(k != NULL, "must be loaded in 1.4+"); |
1 | 1663 |
instanceKlassHandle ik (THREAD, k); |
1664 |
if (ik->should_be_initialized()) { |
|
1665 |
ik->initialize(CHECK_0); |
|
1666 |
} |
|
1667 |
||
1668 |
Handle element = ik->allocate_instance_handle(CHECK_0); |
|
1669 |
// Fill in class name |
|
1670 |
ResourceMark rm(THREAD); |
|
1671 |
const char* str = instanceKlass::cast(method->method_holder())->external_name(); |
|
1672 |
oop classname = StringTable::intern((char*) str, CHECK_0); |
|
1673 |
java_lang_StackTraceElement::set_declaringClass(element(), classname); |
|
1674 |
// Fill in method name |
|
1675 |
oop methodname = StringTable::intern(method->name(), CHECK_0); |
|
1676 |
java_lang_StackTraceElement::set_methodName(element(), methodname); |
|
1677 |
// Fill in source file name |
|
8076
96d498ec7ae1
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diff
changeset
|
1678 |
Symbol* source = instanceKlass::cast(method->method_holder())->source_file_name(); |
1 | 1679 |
oop filename = StringTable::intern(source, CHECK_0); |
1680 |
java_lang_StackTraceElement::set_fileName(element(), filename); |
|
1681 |
// File in source line number |
|
1682 |
int line_number; |
|
1683 |
if (method->is_native()) { |
|
1684 |
// Negative value different from -1 below, enabling Java code in |
|
1685 |
// class java.lang.StackTraceElement to distinguish "native" from |
|
1686 |
// "no LineNumberTable". |
|
1687 |
line_number = -2; |
|
1688 |
} else { |
|
1689 |
// Returns -1 if no LineNumberTable, and otherwise actual line number |
|
1690 |
line_number = method->line_number_from_bci(bci); |
|
1691 |
} |
|
1692 |
java_lang_StackTraceElement::set_lineNumber(element(), line_number); |
|
1693 |
||
1694 |
return element(); |
|
1695 |
} |
|
1696 |
||
1697 |
||
1698 |
void java_lang_reflect_AccessibleObject::compute_offsets() { |
|
4571 | 1699 |
klassOop k = SystemDictionary::reflect_AccessibleObject_klass(); |
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|
1700 |
compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature()); |
1 | 1701 |
} |
1702 |
||
1703 |
jboolean java_lang_reflect_AccessibleObject::override(oop reflect) { |
|
1704 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1705 |
return (jboolean) reflect->bool_field(override_offset); |
|
1706 |
} |
|
1707 |
||
1708 |
void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) { |
|
1709 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1710 |
reflect->bool_field_put(override_offset, (int) value); |
|
1711 |
} |
|
1712 |
||
1713 |
void java_lang_reflect_Method::compute_offsets() { |
|
4571 | 1714 |
klassOop k = SystemDictionary::reflect_Method_klass(); |
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|
1715 |
compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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diff
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|
1716 |
compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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diff
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|
1717 |
compute_offset(returnType_offset, k, vmSymbols::returnType_name(), vmSymbols::class_signature()); |
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diff
changeset
|
1718 |
compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
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diff
changeset
|
1719 |
compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
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diff
changeset
|
1720 |
compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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diff
changeset
|
1721 |
compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
1 | 1722 |
// The generic signature and annotations fields are only present in 1.5 |
1723 |
signature_offset = -1; |
|
1724 |
annotations_offset = -1; |
|
1725 |
parameter_annotations_offset = -1; |
|
1726 |
annotation_default_offset = -1; |
|
379
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diff
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|
1727 |
compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
10767ca40189
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diff
changeset
|
1728 |
compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
10767ca40189
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diff
changeset
|
1729 |
compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
10767ca40189
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diff
changeset
|
1730 |
compute_optional_offset(annotation_default_offset, k, vmSymbols::annotation_default_name(), vmSymbols::byte_array_signature()); |
1 | 1731 |
} |
1732 |
||
1733 |
Handle java_lang_reflect_Method::create(TRAPS) { |
|
1734 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
4571 | 1735 |
klassOop klass = SystemDictionary::reflect_Method_klass(); |
1 | 1736 |
// This class is eagerly initialized during VM initialization, since we keep a refence |
1737 |
// to one of the methods |
|
1738 |
assert(instanceKlass::cast(klass)->is_initialized(), "must be initialized"); |
|
1739 |
return instanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH); |
|
1740 |
} |
|
1741 |
||
1742 |
oop java_lang_reflect_Method::clazz(oop reflect) { |
|
1743 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1744 |
return reflect->obj_field(clazz_offset); |
|
1745 |
} |
|
1746 |
||
1747 |
void java_lang_reflect_Method::set_clazz(oop reflect, oop value) { |
|
1748 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1749 |
reflect->obj_field_put(clazz_offset, value); |
|
1750 |
} |
|
1751 |
||
1752 |
int java_lang_reflect_Method::slot(oop reflect) { |
|
1753 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1754 |
return reflect->int_field(slot_offset); |
|
1755 |
} |
|
1756 |
||
1757 |
void java_lang_reflect_Method::set_slot(oop reflect, int value) { |
|
1758 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1759 |
reflect->int_field_put(slot_offset, value); |
|
1760 |
} |
|
1761 |
||
1762 |
oop java_lang_reflect_Method::name(oop method) { |
|
1763 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1764 |
return method->obj_field(name_offset); |
|
1765 |
} |
|
1766 |
||
1767 |
void java_lang_reflect_Method::set_name(oop method, oop value) { |
|
1768 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1769 |
method->obj_field_put(name_offset, value); |
|
1770 |
} |
|
1771 |
||
1772 |
oop java_lang_reflect_Method::return_type(oop method) { |
|
1773 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1774 |
return method->obj_field(returnType_offset); |
|
1775 |
} |
|
1776 |
||
1777 |
void java_lang_reflect_Method::set_return_type(oop method, oop value) { |
|
1778 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1779 |
method->obj_field_put(returnType_offset, value); |
|
1780 |
} |
|
1781 |
||
1782 |
oop java_lang_reflect_Method::parameter_types(oop method) { |
|
1783 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1784 |
return method->obj_field(parameterTypes_offset); |
|
1785 |
} |
|
1786 |
||
1787 |
void java_lang_reflect_Method::set_parameter_types(oop method, oop value) { |
|
1788 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1789 |
method->obj_field_put(parameterTypes_offset, value); |
|
1790 |
} |
|
1791 |
||
1792 |
oop java_lang_reflect_Method::exception_types(oop method) { |
|
1793 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1794 |
return method->obj_field(exceptionTypes_offset); |
|
1795 |
} |
|
1796 |
||
1797 |
void java_lang_reflect_Method::set_exception_types(oop method, oop value) { |
|
1798 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1799 |
method->obj_field_put(exceptionTypes_offset, value); |
|
1800 |
} |
|
1801 |
||
1802 |
int java_lang_reflect_Method::modifiers(oop method) { |
|
1803 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1804 |
return method->int_field(modifiers_offset); |
|
1805 |
} |
|
1806 |
||
1807 |
void java_lang_reflect_Method::set_modifiers(oop method, int value) { |
|
1808 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1809 |
method->int_field_put(modifiers_offset, value); |
|
1810 |
} |
|
1811 |
||
1812 |
bool java_lang_reflect_Method::has_signature_field() { |
|
1813 |
return (signature_offset >= 0); |
|
1814 |
} |
|
1815 |
||
1816 |
oop java_lang_reflect_Method::signature(oop method) { |
|
1817 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1818 |
assert(has_signature_field(), "signature field must be present"); |
|
1819 |
return method->obj_field(signature_offset); |
|
1820 |
} |
|
1821 |
||
1822 |
void java_lang_reflect_Method::set_signature(oop method, oop value) { |
|
1823 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1824 |
assert(has_signature_field(), "signature field must be present"); |
|
1825 |
method->obj_field_put(signature_offset, value); |
|
1826 |
} |
|
1827 |
||
1828 |
bool java_lang_reflect_Method::has_annotations_field() { |
|
1829 |
return (annotations_offset >= 0); |
|
1830 |
} |
|
1831 |
||
1832 |
oop java_lang_reflect_Method::annotations(oop method) { |
|
1833 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1834 |
assert(has_annotations_field(), "annotations field must be present"); |
|
1835 |
return method->obj_field(annotations_offset); |
|
1836 |
} |
|
1837 |
||
1838 |
void java_lang_reflect_Method::set_annotations(oop method, oop value) { |
|
1839 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1840 |
assert(has_annotations_field(), "annotations field must be present"); |
|
1841 |
method->obj_field_put(annotations_offset, value); |
|
1842 |
} |
|
1843 |
||
1844 |
bool java_lang_reflect_Method::has_parameter_annotations_field() { |
|
1845 |
return (parameter_annotations_offset >= 0); |
|
1846 |
} |
|
1847 |
||
1848 |
oop java_lang_reflect_Method::parameter_annotations(oop method) { |
|
1849 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1850 |
assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
|
1851 |
return method->obj_field(parameter_annotations_offset); |
|
1852 |
} |
|
1853 |
||
1854 |
void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) { |
|
1855 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1856 |
assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
|
1857 |
method->obj_field_put(parameter_annotations_offset, value); |
|
1858 |
} |
|
1859 |
||
1860 |
bool java_lang_reflect_Method::has_annotation_default_field() { |
|
1861 |
return (annotation_default_offset >= 0); |
|
1862 |
} |
|
1863 |
||
1864 |
oop java_lang_reflect_Method::annotation_default(oop method) { |
|
1865 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1866 |
assert(has_annotation_default_field(), "annotation default field must be present"); |
|
1867 |
return method->obj_field(annotation_default_offset); |
|
1868 |
} |
|
1869 |
||
1870 |
void java_lang_reflect_Method::set_annotation_default(oop method, oop value) { |
|
1871 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1872 |
assert(has_annotation_default_field(), "annotation default field must be present"); |
|
1873 |
method->obj_field_put(annotation_default_offset, value); |
|
1874 |
} |
|
1875 |
||
1876 |
void java_lang_reflect_Constructor::compute_offsets() { |
|
4571 | 1877 |
klassOop k = SystemDictionary::reflect_Constructor_klass(); |
379
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6652736: well known classes in system dictionary are inefficiently processed
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parents:
360
diff
changeset
|
1878 |
compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
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parents:
360
diff
changeset
|
1879 |
compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
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parents:
360
diff
changeset
|
1880 |
compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
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parents:
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diff
changeset
|
1881 |
compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
10767ca40189
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parents:
360
diff
changeset
|
1882 |
compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
1 | 1883 |
// The generic signature and annotations fields are only present in 1.5 |
1884 |
signature_offset = -1; |
|
1885 |
annotations_offset = -1; |
|
1886 |
parameter_annotations_offset = -1; |
|
379
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diff
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|
1887 |
compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
10767ca40189
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parents:
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diff
changeset
|
1888 |
compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
10767ca40189
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diff
changeset
|
1889 |
compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
1 | 1890 |
} |
1891 |
||
1892 |
Handle java_lang_reflect_Constructor::create(TRAPS) { |
|
1893 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
8076
96d498ec7ae1
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parents:
7414
diff
changeset
|
1894 |
Symbol* name = vmSymbols::java_lang_reflect_Constructor(); |
1 | 1895 |
klassOop k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
1896 |
instanceKlassHandle klass (THREAD, k); |
|
1897 |
// Ensure it is initialized |
|
1898 |
klass->initialize(CHECK_NH); |
|
1899 |
return klass->allocate_instance_handle(CHECK_NH); |
|
1900 |
} |
|
1901 |
||
1902 |
oop java_lang_reflect_Constructor::clazz(oop reflect) { |
|
1903 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1904 |
return reflect->obj_field(clazz_offset); |
|
1905 |
} |
|
1906 |
||
1907 |
void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) { |
|
1908 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1909 |
reflect->obj_field_put(clazz_offset, value); |
|
1910 |
} |
|
1911 |
||
1912 |
oop java_lang_reflect_Constructor::parameter_types(oop constructor) { |
|
1913 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1914 |
return constructor->obj_field(parameterTypes_offset); |
|
1915 |
} |
|
1916 |
||
1917 |
void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) { |
|
1918 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1919 |
constructor->obj_field_put(parameterTypes_offset, value); |
|
1920 |
} |
|
1921 |
||
1922 |
oop java_lang_reflect_Constructor::exception_types(oop constructor) { |
|
1923 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1924 |
return constructor->obj_field(exceptionTypes_offset); |
|
1925 |
} |
|
1926 |
||
1927 |
void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) { |
|
1928 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1929 |
constructor->obj_field_put(exceptionTypes_offset, value); |
|
1930 |
} |
|
1931 |
||
1932 |
int java_lang_reflect_Constructor::slot(oop reflect) { |
|
1933 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1934 |
return reflect->int_field(slot_offset); |
|
1935 |
} |
|
1936 |
||
1937 |
void java_lang_reflect_Constructor::set_slot(oop reflect, int value) { |
|
1938 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1939 |
reflect->int_field_put(slot_offset, value); |
|
1940 |
} |
|
1941 |
||
1942 |
int java_lang_reflect_Constructor::modifiers(oop constructor) { |
|
1943 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1944 |
return constructor->int_field(modifiers_offset); |
|
1945 |
} |
|
1946 |
||
1947 |
void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) { |
|
1948 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1949 |
constructor->int_field_put(modifiers_offset, value); |
|
1950 |
} |
|
1951 |
||
1952 |
bool java_lang_reflect_Constructor::has_signature_field() { |
|
1953 |
return (signature_offset >= 0); |
|
1954 |
} |
|
1955 |
||
1956 |
oop java_lang_reflect_Constructor::signature(oop constructor) { |
|
1957 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1958 |
assert(has_signature_field(), "signature field must be present"); |
|
1959 |
return constructor->obj_field(signature_offset); |
|
1960 |
} |
|
1961 |
||
1962 |
void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) { |
|
1963 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1964 |
assert(has_signature_field(), "signature field must be present"); |
|
1965 |
constructor->obj_field_put(signature_offset, value); |
|
1966 |
} |
|
1967 |
||
1968 |
bool java_lang_reflect_Constructor::has_annotations_field() { |
|
1969 |
return (annotations_offset >= 0); |
|
1970 |
} |
|
1971 |
||
1972 |
oop java_lang_reflect_Constructor::annotations(oop constructor) { |
|
1973 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1974 |
assert(has_annotations_field(), "annotations field must be present"); |
|
1975 |
return constructor->obj_field(annotations_offset); |
|
1976 |
} |
|
1977 |
||
1978 |
void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) { |
|
1979 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1980 |
assert(has_annotations_field(), "annotations field must be present"); |
|
1981 |
constructor->obj_field_put(annotations_offset, value); |
|
1982 |
} |
|
1983 |
||
1984 |
bool java_lang_reflect_Constructor::has_parameter_annotations_field() { |
|
1985 |
return (parameter_annotations_offset >= 0); |
|
1986 |
} |
|
1987 |
||
1988 |
oop java_lang_reflect_Constructor::parameter_annotations(oop method) { |
|
1989 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1990 |
assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
|
1991 |
return method->obj_field(parameter_annotations_offset); |
|
1992 |
} |
|
1993 |
||
1994 |
void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) { |
|
1995 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
1996 |
assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
|
1997 |
method->obj_field_put(parameter_annotations_offset, value); |
|
1998 |
} |
|
1999 |
||
2000 |
void java_lang_reflect_Field::compute_offsets() { |
|
4571 | 2001 |
klassOop k = SystemDictionary::reflect_Field_klass(); |
379
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|
2002 |
compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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|
2003 |
compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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diff
changeset
|
2004 |
compute_offset(type_offset, k, vmSymbols::type_name(), vmSymbols::class_signature()); |
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diff
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|
2005 |
compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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diff
changeset
|
2006 |
compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
1 | 2007 |
// The generic signature and annotations fields are only present in 1.5 |
2008 |
signature_offset = -1; |
|
2009 |
annotations_offset = -1; |
|
379
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|
2010 |
compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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changeset
|
2011 |
compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
1 | 2012 |
} |
2013 |
||
2014 |
Handle java_lang_reflect_Field::create(TRAPS) { |
|
2015 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2016 |
Symbol* name = vmSymbols::java_lang_reflect_Field(); |
1 | 2017 |
klassOop k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
2018 |
instanceKlassHandle klass (THREAD, k); |
|
2019 |
// Ensure it is initialized |
|
2020 |
klass->initialize(CHECK_NH); |
|
2021 |
return klass->allocate_instance_handle(CHECK_NH); |
|
2022 |
} |
|
2023 |
||
2024 |
oop java_lang_reflect_Field::clazz(oop reflect) { |
|
2025 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2026 |
return reflect->obj_field(clazz_offset); |
|
2027 |
} |
|
2028 |
||
2029 |
void java_lang_reflect_Field::set_clazz(oop reflect, oop value) { |
|
2030 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2031 |
reflect->obj_field_put(clazz_offset, value); |
|
2032 |
} |
|
2033 |
||
2034 |
oop java_lang_reflect_Field::name(oop field) { |
|
2035 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2036 |
return field->obj_field(name_offset); |
|
2037 |
} |
|
2038 |
||
2039 |
void java_lang_reflect_Field::set_name(oop field, oop value) { |
|
2040 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2041 |
field->obj_field_put(name_offset, value); |
|
2042 |
} |
|
2043 |
||
2044 |
oop java_lang_reflect_Field::type(oop field) { |
|
2045 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2046 |
return field->obj_field(type_offset); |
|
2047 |
} |
|
2048 |
||
2049 |
void java_lang_reflect_Field::set_type(oop field, oop value) { |
|
2050 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2051 |
field->obj_field_put(type_offset, value); |
|
2052 |
} |
|
2053 |
||
2054 |
int java_lang_reflect_Field::slot(oop reflect) { |
|
2055 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2056 |
return reflect->int_field(slot_offset); |
|
2057 |
} |
|
2058 |
||
2059 |
void java_lang_reflect_Field::set_slot(oop reflect, int value) { |
|
2060 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2061 |
reflect->int_field_put(slot_offset, value); |
|
2062 |
} |
|
2063 |
||
2064 |
int java_lang_reflect_Field::modifiers(oop field) { |
|
2065 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2066 |
return field->int_field(modifiers_offset); |
|
2067 |
} |
|
2068 |
||
2069 |
void java_lang_reflect_Field::set_modifiers(oop field, int value) { |
|
2070 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2071 |
field->int_field_put(modifiers_offset, value); |
|
2072 |
} |
|
2073 |
||
2074 |
bool java_lang_reflect_Field::has_signature_field() { |
|
2075 |
return (signature_offset >= 0); |
|
2076 |
} |
|
2077 |
||
2078 |
oop java_lang_reflect_Field::signature(oop field) { |
|
2079 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2080 |
assert(has_signature_field(), "signature field must be present"); |
|
2081 |
return field->obj_field(signature_offset); |
|
2082 |
} |
|
2083 |
||
2084 |
void java_lang_reflect_Field::set_signature(oop field, oop value) { |
|
2085 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2086 |
assert(has_signature_field(), "signature field must be present"); |
|
2087 |
field->obj_field_put(signature_offset, value); |
|
2088 |
} |
|
2089 |
||
2090 |
bool java_lang_reflect_Field::has_annotations_field() { |
|
2091 |
return (annotations_offset >= 0); |
|
2092 |
} |
|
2093 |
||
2094 |
oop java_lang_reflect_Field::annotations(oop field) { |
|
2095 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2096 |
assert(has_annotations_field(), "annotations field must be present"); |
|
2097 |
return field->obj_field(annotations_offset); |
|
2098 |
} |
|
2099 |
||
2100 |
void java_lang_reflect_Field::set_annotations(oop field, oop value) { |
|
2101 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2102 |
assert(has_annotations_field(), "annotations field must be present"); |
|
2103 |
field->obj_field_put(annotations_offset, value); |
|
2104 |
} |
|
2105 |
||
2106 |
||
2107 |
void sun_reflect_ConstantPool::compute_offsets() { |
|
4571 | 2108 |
klassOop k = SystemDictionary::reflect_ConstantPool_klass(); |
1 | 2109 |
// This null test can be removed post beta |
2110 |
if (k != NULL) { |
|
379
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diff
changeset
|
2111 |
compute_offset(_cp_oop_offset, k, vmSymbols::constantPoolOop_name(), vmSymbols::object_signature()); |
1 | 2112 |
} |
2113 |
} |
|
2114 |
||
2115 |
||
2116 |
Handle sun_reflect_ConstantPool::create(TRAPS) { |
|
2117 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
4571 | 2118 |
klassOop k = SystemDictionary::reflect_ConstantPool_klass(); |
1 | 2119 |
instanceKlassHandle klass (THREAD, k); |
2120 |
// Ensure it is initialized |
|
2121 |
klass->initialize(CHECK_NH); |
|
2122 |
return klass->allocate_instance_handle(CHECK_NH); |
|
2123 |
} |
|
2124 |
||
2125 |
||
2126 |
oop sun_reflect_ConstantPool::cp_oop(oop reflect) { |
|
2127 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2128 |
return reflect->obj_field(_cp_oop_offset); |
|
2129 |
} |
|
2130 |
||
2131 |
||
2132 |
void sun_reflect_ConstantPool::set_cp_oop(oop reflect, oop value) { |
|
2133 |
assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
2134 |
reflect->obj_field_put(_cp_oop_offset, value); |
|
2135 |
} |
|
2136 |
||
2137 |
void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() { |
|
4571 | 2138 |
klassOop k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(); |
1 | 2139 |
// This null test can be removed post beta |
2140 |
if (k != NULL) { |
|
379
10767ca40189
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parents:
360
diff
changeset
|
2141 |
compute_offset(_base_offset, k, |
1 | 2142 |
vmSymbols::base_name(), vmSymbols::object_signature()); |
2143 |
} |
|
2144 |
} |
|
2145 |
||
379
10767ca40189
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diff
changeset
|
2146 |
oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
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360
diff
changeset
|
2147 |
klassOop k = SystemDictionary::box_klass(type); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2148 |
if (k == NULL) return NULL; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2149 |
instanceKlassHandle h (THREAD, k); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2150 |
if (!h->is_initialized()) h->initialize(CHECK_0); |
10767ca40189
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jrose
parents:
360
diff
changeset
|
2151 |
return h->allocate_instance(THREAD); |
1 | 2152 |
} |
2153 |
||
2154 |
||
2155 |
oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) { |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2156 |
oop box = initialize_and_allocate(type, CHECK_0); |
10767ca40189
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jrose
parents:
360
diff
changeset
|
2157 |
if (box == NULL) return NULL; |
1 | 2158 |
switch (type) { |
2159 |
case T_BOOLEAN: |
|
2160 |
box->bool_field_put(value_offset, value->z); |
|
2161 |
break; |
|
2162 |
case T_CHAR: |
|
2163 |
box->char_field_put(value_offset, value->c); |
|
2164 |
break; |
|
2165 |
case T_FLOAT: |
|
2166 |
box->float_field_put(value_offset, value->f); |
|
2167 |
break; |
|
2168 |
case T_DOUBLE: |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2169 |
box->double_field_put(long_value_offset, value->d); |
1 | 2170 |
break; |
2171 |
case T_BYTE: |
|
2172 |
box->byte_field_put(value_offset, value->b); |
|
2173 |
break; |
|
2174 |
case T_SHORT: |
|
2175 |
box->short_field_put(value_offset, value->s); |
|
2176 |
break; |
|
2177 |
case T_INT: |
|
2178 |
box->int_field_put(value_offset, value->i); |
|
2179 |
break; |
|
2180 |
case T_LONG: |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2181 |
box->long_field_put(long_value_offset, value->j); |
1 | 2182 |
break; |
2183 |
default: |
|
2184 |
return NULL; |
|
2185 |
} |
|
2186 |
return box; |
|
2187 |
} |
|
2188 |
||
2189 |
||
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2190 |
BasicType java_lang_boxing_object::basic_type(oop box) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2191 |
if (box == NULL) return T_ILLEGAL; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2192 |
BasicType type = SystemDictionary::box_klass_type(box->klass()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2193 |
if (type == T_OBJECT) // 'unknown' value returned by SD::bkt |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2194 |
return T_ILLEGAL; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2195 |
return type; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2196 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2197 |
|
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2198 |
|
1 | 2199 |
BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) { |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2200 |
BasicType type = SystemDictionary::box_klass_type(box->klass()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2201 |
switch (type) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2202 |
case T_BOOLEAN: |
1 | 2203 |
value->z = box->bool_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2204 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2205 |
case T_CHAR: |
1 | 2206 |
value->c = box->char_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2207 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2208 |
case T_FLOAT: |
1 | 2209 |
value->f = box->float_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2210 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2211 |
case T_DOUBLE: |
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2212 |
value->d = box->double_field(long_value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2213 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2214 |
case T_BYTE: |
1 | 2215 |
value->b = box->byte_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2216 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2217 |
case T_SHORT: |
1 | 2218 |
value->s = box->short_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
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diff
changeset
|
2219 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2220 |
case T_INT: |
1 | 2221 |
value->i = box->int_field(value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2222 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2223 |
case T_LONG: |
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2224 |
value->j = box->long_field(long_value_offset); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2225 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2226 |
default: |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2227 |
return T_ILLEGAL; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2228 |
} // end switch |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2229 |
return type; |
1 | 2230 |
} |
2231 |
||
2232 |
||
2233 |
BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) { |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2234 |
BasicType type = SystemDictionary::box_klass_type(box->klass()); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2235 |
switch (type) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2236 |
case T_BOOLEAN: |
1 | 2237 |
box->bool_field_put(value_offset, value->z); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2238 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2239 |
case T_CHAR: |
1 | 2240 |
box->char_field_put(value_offset, value->c); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2241 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2242 |
case T_FLOAT: |
1 | 2243 |
box->float_field_put(value_offset, value->f); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2244 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2245 |
case T_DOUBLE: |
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2246 |
box->double_field_put(long_value_offset, value->d); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2247 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2248 |
case T_BYTE: |
1 | 2249 |
box->byte_field_put(value_offset, value->b); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2250 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2251 |
case T_SHORT: |
1 | 2252 |
box->short_field_put(value_offset, value->s); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2253 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2254 |
case T_INT: |
1 | 2255 |
box->int_field_put(value_offset, value->i); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2256 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2257 |
case T_LONG: |
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2258 |
box->long_field_put(long_value_offset, value->j); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2259 |
break; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2260 |
default: |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2261 |
return T_ILLEGAL; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2262 |
} // end switch |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2263 |
return type; |
1 | 2264 |
} |
2265 |
||
2266 |
||
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2267 |
void java_lang_boxing_object::print(BasicType type, jvalue* value, outputStream* st) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2268 |
switch (type) { |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2269 |
case T_BOOLEAN: st->print("%s", value->z ? "true" : "false"); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2270 |
case T_CHAR: st->print("%d", value->c); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2271 |
case T_BYTE: st->print("%d", value->b); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2272 |
case T_SHORT: st->print("%d", value->s); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2273 |
case T_INT: st->print("%d", value->i); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2274 |
case T_LONG: st->print(INT64_FORMAT, value->j); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2275 |
case T_FLOAT: st->print("%f", value->f); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2276 |
case T_DOUBLE: st->print("%lf", value->d); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2277 |
default: st->print("type %d?", type); break; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2278 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2279 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2280 |
|
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
2105
diff
changeset
|
2281 |
|
1 | 2282 |
// Support for java_lang_ref_Reference |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2283 |
oop java_lang_ref_Reference::pending_list_lock() { |
4571 | 2284 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::Reference_klass()); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2285 |
address addr = ik->static_field_addr(static_lock_offset); |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2286 |
if (UseCompressedOops) { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2287 |
return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2288 |
} else { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2289 |
return oopDesc::load_decode_heap_oop((oop*)addr); |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2290 |
} |
1 | 2291 |
} |
2292 |
||
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2293 |
HeapWord *java_lang_ref_Reference::pending_list_addr() { |
4571 | 2294 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::Reference_klass()); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2295 |
address addr = ik->static_field_addr(static_pending_offset); |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2296 |
// XXX This might not be HeapWord aligned, almost rather be char *. |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2297 |
return (HeapWord*)addr; |
1 | 2298 |
} |
2299 |
||
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2300 |
oop java_lang_ref_Reference::pending_list() { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2301 |
char *addr = (char *)pending_list_addr(); |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2302 |
if (UseCompressedOops) { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2303 |
return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2304 |
} else { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2305 |
return oopDesc::load_decode_heap_oop((oop*)addr); |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2306 |
} |
1 | 2307 |
} |
2308 |
||
2309 |
||
2310 |
// Support for java_lang_ref_SoftReference |
|
2311 |
||
2312 |
jlong java_lang_ref_SoftReference::timestamp(oop ref) { |
|
2313 |
return ref->long_field(timestamp_offset); |
|
2314 |
} |
|
2315 |
||
2316 |
jlong java_lang_ref_SoftReference::clock() { |
|
4571 | 2317 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::SoftReference_klass()); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2318 |
jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2319 |
return *offset; |
1 | 2320 |
} |
2321 |
||
2322 |
void java_lang_ref_SoftReference::set_clock(jlong value) { |
|
4571 | 2323 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::SoftReference_klass()); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2324 |
jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset); |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2325 |
*offset = value; |
1 | 2326 |
} |
2327 |
||
2328 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2329 |
// Support for java_lang_invoke_MethodHandle |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2330 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2331 |
int java_lang_invoke_MethodHandle::_type_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2332 |
int java_lang_invoke_MethodHandle::_vmtarget_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2333 |
int java_lang_invoke_MethodHandle::_vmentry_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2334 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2335 |
int java_lang_invoke_MemberName::_clazz_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2336 |
int java_lang_invoke_MemberName::_name_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2337 |
int java_lang_invoke_MemberName::_type_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2338 |
int java_lang_invoke_MemberName::_flags_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2339 |
int java_lang_invoke_MemberName::_vmtarget_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2340 |
int java_lang_invoke_MemberName::_vmindex_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2341 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2342 |
int java_lang_invoke_DirectMethodHandle::_vmindex_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2343 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2344 |
int java_lang_invoke_BoundMethodHandle::_argument_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2345 |
int java_lang_invoke_BoundMethodHandle::_vmargslot_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2346 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2347 |
int java_lang_invoke_AdapterMethodHandle::_conversion_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2348 |
|
10514
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2349 |
int java_lang_invoke_CountingMethodHandle::_vmcount_offset; |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2350 |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2351 |
void java_lang_invoke_MethodHandle::compute_offsets() { |
10546 | 2352 |
klassOop klass_oop = SystemDictionary::MethodHandle_klass(); |
2353 |
if (klass_oop != NULL && EnableInvokeDynamic) { |
|
8675
e9fef2a9bef7
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
8076
diff
changeset
|
2354 |
bool allow_super = false; |
10546 | 2355 |
compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::java_lang_invoke_MethodType_signature(), allow_super); |
2356 |
METHODHANDLE_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
|
2534 | 2357 |
} |
2358 |
} |
|
2359 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2360 |
void java_lang_invoke_MemberName::compute_offsets() { |
10546 | 2361 |
klassOop klass_oop = SystemDictionary::MemberName_klass(); |
2362 |
if (klass_oop != NULL && EnableInvokeDynamic) { |
|
2363 |
compute_offset(_clazz_offset, klass_oop, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
|
2364 |
compute_offset(_name_offset, klass_oop, vmSymbols::name_name(), vmSymbols::string_signature()); |
|
2365 |
compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::object_signature()); |
|
2366 |
compute_offset(_flags_offset, klass_oop, vmSymbols::flags_name(), vmSymbols::int_signature()); |
|
2367 |
compute_offset(_vmindex_offset, klass_oop, vmSymbols::vmindex_name(), vmSymbols::int_signature()); |
|
2368 |
MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
|
2534 | 2369 |
} |
2370 |
} |
|
2371 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2372 |
void java_lang_invoke_DirectMethodHandle::compute_offsets() { |
2534 | 2373 |
klassOop k = SystemDictionary::DirectMethodHandle_klass(); |
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8728
diff
changeset
|
2374 |
if (k != NULL && EnableInvokeDynamic) { |
10546 | 2375 |
DIRECTMETHODHANDLE_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
2534 | 2376 |
} |
2377 |
} |
|
2378 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2379 |
void java_lang_invoke_BoundMethodHandle::compute_offsets() { |
2534 | 2380 |
klassOop k = SystemDictionary::BoundMethodHandle_klass(); |
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8728
diff
changeset
|
2381 |
if (k != NULL && EnableInvokeDynamic) { |
2534 | 2382 |
compute_offset(_vmargslot_offset, k, vmSymbols::vmargslot_name(), vmSymbols::int_signature(), true); |
2383 |
compute_offset(_argument_offset, k, vmSymbols::argument_name(), vmSymbols::object_signature(), true); |
|
2384 |
} |
|
2385 |
} |
|
2386 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2387 |
void java_lang_invoke_AdapterMethodHandle::compute_offsets() { |
2534 | 2388 |
klassOop k = SystemDictionary::AdapterMethodHandle_klass(); |
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8728
diff
changeset
|
2389 |
if (k != NULL && EnableInvokeDynamic) { |
2534 | 2390 |
compute_offset(_conversion_offset, k, vmSymbols::conversion_name(), vmSymbols::int_signature(), true); |
2391 |
} |
|
2392 |
} |
|
2393 |
||
10514
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2394 |
void java_lang_invoke_CountingMethodHandle::compute_offsets() { |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2395 |
klassOop k = SystemDictionary::CountingMethodHandle_klass(); |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2396 |
if (k != NULL && EnableInvokeDynamic) { |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2397 |
compute_offset(_vmcount_offset, k, vmSymbols::vmcount_name(), vmSymbols::int_signature(), true); |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2398 |
} |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2399 |
} |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2400 |
|
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2401 |
int java_lang_invoke_CountingMethodHandle::vmcount(oop mh) { |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2402 |
assert(is_instance(mh), "CMH only"); |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2403 |
return mh->int_field(_vmcount_offset); |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2404 |
} |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2405 |
|
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2406 |
void java_lang_invoke_CountingMethodHandle::set_vmcount(oop mh, int count) { |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2407 |
assert(is_instance(mh), "CMH only"); |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2408 |
mh->int_field_put(_vmcount_offset, count); |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2409 |
} |
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
2410 |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2411 |
oop java_lang_invoke_MethodHandle::type(oop mh) { |
2534 | 2412 |
return mh->obj_field(_type_offset); |
2413 |
} |
|
2414 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2415 |
void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) { |
2534 | 2416 |
mh->obj_field_put(_type_offset, mtype); |
2417 |
} |
|
2418 |
||
2419 |
// fetch type.form.vmslots, which is the number of JVM stack slots |
|
2420 |
// required to carry the arguments of this MH |
|
10546 | 2421 |
int java_lang_invoke_MethodHandle::vmslots(oop mh) { |
2534 | 2422 |
oop mtype = type(mh); |
2423 |
if (mtype == NULL) return 0; // Java code would get NPE |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2424 |
oop form = java_lang_invoke_MethodType::form(mtype); |
2534 | 2425 |
if (form == NULL) return 0; // Java code would get NPE |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2426 |
return java_lang_invoke_MethodTypeForm::vmslots(form); |
2534 | 2427 |
} |
2428 |
||
2429 |
// fetch the low-level entry point for this mh |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2430 |
MethodHandleEntry* java_lang_invoke_MethodHandle::vmentry(oop mh) { |
2534 | 2431 |
return (MethodHandleEntry*) mh->address_field(_vmentry_offset); |
2432 |
} |
|
2433 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2434 |
void java_lang_invoke_MethodHandle::set_vmentry(oop mh, MethodHandleEntry* me) { |
2534 | 2435 |
assert(_vmentry_offset != 0, "must be present"); |
2436 |
||
2437 |
// This is always the final step that initializes a valid method handle: |
|
2438 |
mh->release_address_field_put(_vmentry_offset, (address) me); |
|
2439 |
||
2440 |
// There should be enough memory barriers on exit from native methods |
|
2441 |
// to ensure that the MH is fully initialized to all threads before |
|
2442 |
// Java code can publish it in global data structures. |
|
2443 |
// But just in case, we use release_address_field_put. |
|
2444 |
} |
|
2445 |
||
2446 |
/// MemberName accessors |
|
2447 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2448 |
oop java_lang_invoke_MemberName::clazz(oop mname) { |
2534 | 2449 |
assert(is_instance(mname), "wrong type"); |
2450 |
return mname->obj_field(_clazz_offset); |
|
2451 |
} |
|
2452 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2453 |
void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) { |
2534 | 2454 |
assert(is_instance(mname), "wrong type"); |
2455 |
mname->obj_field_put(_clazz_offset, clazz); |
|
2456 |
} |
|
2457 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2458 |
oop java_lang_invoke_MemberName::name(oop mname) { |
2534 | 2459 |
assert(is_instance(mname), "wrong type"); |
2460 |
return mname->obj_field(_name_offset); |
|
2461 |
} |
|
2462 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2463 |
void java_lang_invoke_MemberName::set_name(oop mname, oop name) { |
2534 | 2464 |
assert(is_instance(mname), "wrong type"); |
2465 |
mname->obj_field_put(_name_offset, name); |
|
2466 |
} |
|
2467 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2468 |
oop java_lang_invoke_MemberName::type(oop mname) { |
2534 | 2469 |
assert(is_instance(mname), "wrong type"); |
2470 |
return mname->obj_field(_type_offset); |
|
2471 |
} |
|
2472 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2473 |
void java_lang_invoke_MemberName::set_type(oop mname, oop type) { |
2534 | 2474 |
assert(is_instance(mname), "wrong type"); |
2475 |
mname->obj_field_put(_type_offset, type); |
|
2476 |
} |
|
2477 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2478 |
int java_lang_invoke_MemberName::flags(oop mname) { |
2534 | 2479 |
assert(is_instance(mname), "wrong type"); |
2480 |
return mname->int_field(_flags_offset); |
|
2481 |
} |
|
2482 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2483 |
void java_lang_invoke_MemberName::set_flags(oop mname, int flags) { |
2534 | 2484 |
assert(is_instance(mname), "wrong type"); |
2485 |
mname->int_field_put(_flags_offset, flags); |
|
2486 |
} |
|
2487 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2488 |
oop java_lang_invoke_MemberName::vmtarget(oop mname) { |
2534 | 2489 |
assert(is_instance(mname), "wrong type"); |
2490 |
return mname->obj_field(_vmtarget_offset); |
|
2491 |
} |
|
2492 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2493 |
void java_lang_invoke_MemberName::set_vmtarget(oop mname, oop ref) { |
2534 | 2494 |
assert(is_instance(mname), "wrong type"); |
2495 |
mname->obj_field_put(_vmtarget_offset, ref); |
|
2496 |
} |
|
2497 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2498 |
int java_lang_invoke_MemberName::vmindex(oop mname) { |
2534 | 2499 |
assert(is_instance(mname), "wrong type"); |
2500 |
return mname->int_field(_vmindex_offset); |
|
2501 |
} |
|
2502 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2503 |
void java_lang_invoke_MemberName::set_vmindex(oop mname, int index) { |
2534 | 2504 |
assert(is_instance(mname), "wrong type"); |
2505 |
mname->int_field_put(_vmindex_offset, index); |
|
2506 |
} |
|
2507 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2508 |
oop java_lang_invoke_MethodHandle::vmtarget(oop mh) { |
2534 | 2509 |
assert(is_instance(mh), "MH only"); |
2510 |
return mh->obj_field(_vmtarget_offset); |
|
2511 |
} |
|
2512 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2513 |
void java_lang_invoke_MethodHandle::set_vmtarget(oop mh, oop ref) { |
2534 | 2514 |
assert(is_instance(mh), "MH only"); |
2515 |
mh->obj_field_put(_vmtarget_offset, ref); |
|
2516 |
} |
|
2517 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2518 |
int java_lang_invoke_DirectMethodHandle::vmindex(oop mh) { |
2534 | 2519 |
assert(is_instance(mh), "DMH only"); |
2520 |
return mh->int_field(_vmindex_offset); |
|
2521 |
} |
|
2522 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2523 |
void java_lang_invoke_DirectMethodHandle::set_vmindex(oop mh, int index) { |
2534 | 2524 |
assert(is_instance(mh), "DMH only"); |
2525 |
mh->int_field_put(_vmindex_offset, index); |
|
2526 |
} |
|
2527 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2528 |
int java_lang_invoke_BoundMethodHandle::vmargslot(oop mh) { |
2534 | 2529 |
assert(is_instance(mh), "BMH only"); |
2530 |
return mh->int_field(_vmargslot_offset); |
|
2531 |
} |
|
2532 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2533 |
oop java_lang_invoke_BoundMethodHandle::argument(oop mh) { |
2534 | 2534 |
assert(is_instance(mh), "BMH only"); |
2535 |
return mh->obj_field(_argument_offset); |
|
2536 |
} |
|
2537 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2538 |
int java_lang_invoke_AdapterMethodHandle::conversion(oop mh) { |
2534 | 2539 |
assert(is_instance(mh), "AMH only"); |
2540 |
return mh->int_field(_conversion_offset); |
|
2541 |
} |
|
2542 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2543 |
void java_lang_invoke_AdapterMethodHandle::set_conversion(oop mh, int conv) { |
2534 | 2544 |
assert(is_instance(mh), "AMH only"); |
2545 |
mh->int_field_put(_conversion_offset, conv); |
|
2546 |
} |
|
2547 |
||
2548 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2549 |
// Support for java_lang_invoke_MethodType |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2550 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2551 |
int java_lang_invoke_MethodType::_rtype_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2552 |
int java_lang_invoke_MethodType::_ptypes_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2553 |
int java_lang_invoke_MethodType::_form_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2554 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2555 |
void java_lang_invoke_MethodType::compute_offsets() { |
2534 | 2556 |
klassOop k = SystemDictionary::MethodType_klass(); |
2557 |
if (k != NULL) { |
|
2558 |
compute_offset(_rtype_offset, k, vmSymbols::rtype_name(), vmSymbols::class_signature()); |
|
2559 |
compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature()); |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2560 |
compute_offset(_form_offset, k, vmSymbols::form_name(), vmSymbols::java_lang_invoke_MethodTypeForm_signature()); |
2534 | 2561 |
} |
2562 |
} |
|
2563 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2564 |
void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) { |
2534 | 2565 |
st->print("("); |
2566 |
objArrayOop pts = ptypes(mt); |
|
2567 |
for (int i = 0, limit = pts->length(); i < limit; i++) { |
|
2568 |
java_lang_Class::print_signature(pts->obj_at(i), st); |
|
2569 |
} |
|
2570 |
st->print(")"); |
|
2571 |
java_lang_Class::print_signature(rtype(mt), st); |
|
2572 |
} |
|
2573 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2574 |
Symbol* java_lang_invoke_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) { |
2534 | 2575 |
ResourceMark rm; |
2576 |
stringStream buffer(128); |
|
2577 |
print_signature(mt, &buffer); |
|
2578 |
const char* sigstr = buffer.base(); |
|
2579 |
int siglen = (int) buffer.size(); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2580 |
Symbol *name; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2581 |
if (!intern_if_not_found) { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2582 |
name = SymbolTable::probe(sigstr, siglen); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2583 |
} else { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2584 |
name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2585 |
} |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
2586 |
return name; |
2534 | 2587 |
} |
2588 |
||
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2589 |
bool java_lang_invoke_MethodType::equals(oop mt1, oop mt2) { |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2590 |
if (rtype(mt1) != rtype(mt2)) |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2591 |
return false; |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2592 |
if (ptype_count(mt1) != ptype_count(mt2)) |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2593 |
return false; |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2594 |
for (int i = ptype_count(mt1) - 1; i >= 0; i--) { |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2595 |
if (ptype(mt1, i) != ptype(mt2, i)) |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2596 |
return false; |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2597 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2598 |
return true; |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2599 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9630
diff
changeset
|
2600 |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2601 |
oop java_lang_invoke_MethodType::rtype(oop mt) { |
2534 | 2602 |
assert(is_instance(mt), "must be a MethodType"); |
2603 |
return mt->obj_field(_rtype_offset); |
|
2604 |
} |
|
2605 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2606 |
objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) { |
2534 | 2607 |
assert(is_instance(mt), "must be a MethodType"); |
2608 |
return (objArrayOop) mt->obj_field(_ptypes_offset); |
|
2609 |
} |
|
2610 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2611 |
oop java_lang_invoke_MethodType::form(oop mt) { |
2534 | 2612 |
assert(is_instance(mt), "must be a MethodType"); |
2613 |
return mt->obj_field(_form_offset); |
|
2614 |
} |
|
2615 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2616 |
oop java_lang_invoke_MethodType::ptype(oop mt, int idx) { |
2534 | 2617 |
return ptypes(mt)->obj_at(idx); |
2618 |
} |
|
2619 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2620 |
int java_lang_invoke_MethodType::ptype_count(oop mt) { |
4562
5d93cb2d2090
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
4466
diff
changeset
|
2621 |
return ptypes(mt)->length(); |
5d93cb2d2090
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
4466
diff
changeset
|
2622 |
} |
5d93cb2d2090
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
4466
diff
changeset
|
2623 |
|
2534 | 2624 |
|
2625 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2626 |
// Support for java_lang_invoke_MethodTypeForm |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2627 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2628 |
int java_lang_invoke_MethodTypeForm::_vmslots_offset; |
9630
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2629 |
int java_lang_invoke_MethodTypeForm::_vmlayout_offset; |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2630 |
int java_lang_invoke_MethodTypeForm::_erasedType_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2631 |
int java_lang_invoke_MethodTypeForm::_genericInvoker_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2632 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2633 |
void java_lang_invoke_MethodTypeForm::compute_offsets() { |
2534 | 2634 |
klassOop k = SystemDictionary::MethodTypeForm_klass(); |
2635 |
if (k != NULL) { |
|
2636 |
compute_optional_offset(_vmslots_offset, k, vmSymbols::vmslots_name(), vmSymbols::int_signature(), true); |
|
9630
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2637 |
compute_optional_offset(_vmlayout_offset, k, vmSymbols::vmlayout_name(), vmSymbols::object_signature()); |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2638 |
compute_optional_offset(_erasedType_offset, k, vmSymbols::erasedType_name(), vmSymbols::java_lang_invoke_MethodType_signature(), true); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2639 |
compute_optional_offset(_genericInvoker_offset, k, vmSymbols::genericInvoker_name(), vmSymbols::java_lang_invoke_MethodHandle_signature(), true); |
6463
f4362c8da849
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
5547
diff
changeset
|
2640 |
if (_genericInvoker_offset == 0) _genericInvoker_offset = -1; // set to explicit "empty" value |
10546 | 2641 |
METHODTYPEFORM_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
2534 | 2642 |
} |
2643 |
} |
|
2644 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2645 |
int java_lang_invoke_MethodTypeForm::vmslots(oop mtform) { |
2534 | 2646 |
assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only"); |
9630
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2647 |
assert(_vmslots_offset > 0, ""); |
2534 | 2648 |
return mtform->int_field(_vmslots_offset); |
2649 |
} |
|
2650 |
||
9630
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2651 |
oop java_lang_invoke_MethodTypeForm::vmlayout(oop mtform) { |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2652 |
assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only"); |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2653 |
assert(_vmlayout_offset > 0, ""); |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2654 |
return mtform->obj_field(_vmlayout_offset); |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2655 |
} |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2656 |
|
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2657 |
oop java_lang_invoke_MethodTypeForm::init_vmlayout(oop mtform, oop cookie) { |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2658 |
assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only"); |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2659 |
oop previous = vmlayout(mtform); |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2660 |
if (previous != NULL) { |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2661 |
return previous; // someone else beat us to it |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2662 |
} |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2663 |
HeapWord* cookie_addr = (HeapWord*) mtform->obj_field_addr<oop>(_vmlayout_offset); |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2664 |
OrderAccess::storestore(); // make sure our copy is fully committed |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2665 |
previous = oopDesc::atomic_compare_exchange_oop(cookie, cookie_addr, previous); |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2666 |
if (previous != NULL) { |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2667 |
return previous; // someone else beat us to it |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2668 |
} |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2669 |
return cookie; |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2670 |
} |
d6419e4395e3
6939861: JVM should handle more conversion operations
never
parents:
9321
diff
changeset
|
2671 |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2672 |
oop java_lang_invoke_MethodTypeForm::erasedType(oop mtform) { |
2534 | 2673 |
assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only"); |
2674 |
return mtform->obj_field(_erasedType_offset); |
|
2675 |
} |
|
2676 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2677 |
oop java_lang_invoke_MethodTypeForm::genericInvoker(oop mtform) { |
6463
f4362c8da849
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
5547
diff
changeset
|
2678 |
assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only"); |
f4362c8da849
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
5547
diff
changeset
|
2679 |
return mtform->obj_field(_genericInvoker_offset); |
f4362c8da849
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
5547
diff
changeset
|
2680 |
} |
f4362c8da849
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
5547
diff
changeset
|
2681 |
|
2534 | 2682 |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2683 |
// Support for java_lang_invoke_CallSite |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2684 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2685 |
int java_lang_invoke_CallSite::_target_offset; |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2686 |
|
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2687 |
void java_lang_invoke_CallSite::compute_offsets() { |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2688 |
if (!EnableInvokeDynamic) return; |
4429
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3796
diff
changeset
|
2689 |
klassOop k = SystemDictionary::CallSite_klass(); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2690 |
if (k != NULL) { |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
2691 |
compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature()); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2692 |
} |
10509
43d670e5701e
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
10233
diff
changeset
|
2693 |
|
43d670e5701e
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
10233
diff
changeset
|
2694 |
// Disallow compilation of CallSite.setTargetNormal and CallSite.setTargetVolatile |
43d670e5701e
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
10233
diff
changeset
|
2695 |
// (For C2: keep this until we have throttling logic for uncommon traps.) |
43d670e5701e
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
10233
diff
changeset
|
2696 |
if (k != NULL) { |
43d670e5701e
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
10233
diff
changeset
|
2697 |
instanceKlass* ik = instanceKlass::cast(k); |
43d670e5701e
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
10233
diff
changeset
|
2698 |
methodOop m_normal = ik->lookup_method(vmSymbols::setTargetNormal_name(), vmSymbols::setTarget_signature()); |
43d670e5701e
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
10233
diff
changeset
|
2699 |
methodOop m_volatile = ik->lookup_method(vmSymbols::setTargetVolatile_name(), vmSymbols::setTarget_signature()); |
10537
23539f11e110
7090259: Fix hotspot sources to build with old compilers
kvn
parents:
10514
diff
changeset
|
2700 |
guarantee(m_normal != NULL && m_volatile != NULL, "must exist"); |
10509
43d670e5701e
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
10233
diff
changeset
|
2701 |
m_normal->set_not_compilable_quietly(); |
43d670e5701e
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
10233
diff
changeset
|
2702 |
m_volatile->set_not_compilable_quietly(); |
43d670e5701e
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
10233
diff
changeset
|
2703 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2704 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
2705 |
|
2534 | 2706 |
|
1 | 2707 |
// Support for java_security_AccessControlContext |
2708 |
||
2709 |
int java_security_AccessControlContext::_context_offset = 0; |
|
2710 |
int java_security_AccessControlContext::_privilegedContext_offset = 0; |
|
2711 |
int java_security_AccessControlContext::_isPrivileged_offset = 0; |
|
2712 |
||
2713 |
void java_security_AccessControlContext::compute_offsets() { |
|
2714 |
assert(_isPrivileged_offset == 0, "offsets should be initialized only once"); |
|
2715 |
fieldDescriptor fd; |
|
2716 |
instanceKlass* ik = instanceKlass::cast(SystemDictionary::AccessControlContext_klass()); |
|
2717 |
||
2718 |
if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) { |
|
2719 |
fatal("Invalid layout of java.security.AccessControlContext"); |
|
2720 |
} |
|
2721 |
_context_offset = fd.offset(); |
|
2722 |
||
2723 |
if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) { |
|
2724 |
fatal("Invalid layout of java.security.AccessControlContext"); |
|
2725 |
} |
|
2726 |
_privilegedContext_offset = fd.offset(); |
|
2727 |
||
2728 |
if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) { |
|
2729 |
fatal("Invalid layout of java.security.AccessControlContext"); |
|
2730 |
} |
|
2731 |
_isPrivileged_offset = fd.offset(); |
|
2732 |
} |
|
2733 |
||
2734 |
||
2735 |
oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) { |
|
2736 |
assert(_isPrivileged_offset != 0, "offsets should have been initialized"); |
|
2737 |
// Ensure klass is initialized |
|
2738 |
instanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0); |
|
2739 |
// Allocate result |
|
2740 |
oop result = instanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0); |
|
2741 |
// Fill in values |
|
2742 |
result->obj_field_put(_context_offset, context()); |
|
2743 |
result->obj_field_put(_privilegedContext_offset, privileged_context()); |
|
2744 |
result->bool_field_put(_isPrivileged_offset, isPrivileged); |
|
2745 |
return result; |
|
2746 |
} |
|
2747 |
||
2748 |
||
2749 |
// Support for java_lang_ClassLoader |
|
10546 | 2750 |
bool java_lang_ClassLoader::offsets_computed = false; |
2751 |
int java_lang_ClassLoader::parallelCapable_offset = -1; |
|
2752 |
||
2753 |
void java_lang_ClassLoader::compute_offsets() { |
|
2754 |
assert(!offsets_computed, "offsets should be initialized only once"); |
|
2755 |
offsets_computed = true; |
|
2756 |
||
2757 |
// The field indicating parallelCapable (parallelLockMap) is only present starting in 7, |
|
2758 |
klassOop k1 = SystemDictionary::ClassLoader_klass(); |
|
2759 |
compute_optional_offset(parallelCapable_offset, |
|
2760 |
k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature()); |
|
2761 |
} |
|
1 | 2762 |
|
2763 |
oop java_lang_ClassLoader::parent(oop loader) { |
|
2764 |
assert(loader->is_oop(), "loader must be oop"); |
|
2765 |
return loader->obj_field(parent_offset); |
|
2766 |
} |
|
2767 |
||
2768 |
||
10546 | 2769 |
// For class loader classes, parallelCapable defined |
2770 |
// based on non-null field |
|
2771 |
// Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it |
|
2772 |
bool java_lang_ClassLoader::parallelCapable(oop class_loader) { |
|
2773 |
if (!JDK_Version::is_gte_jdk17x_version() |
|
2774 |
|| parallelCapable_offset == -1) { |
|
2775 |
// Default for backward compatibility is false |
|
2776 |
return false; |
|
2777 |
} |
|
2778 |
return (class_loader->obj_field(parallelCapable_offset) != NULL); |
|
2779 |
} |
|
2780 |
||
1 | 2781 |
bool java_lang_ClassLoader::is_trusted_loader(oop loader) { |
2782 |
// Fix for 4474172; see evaluation for more details |
|
2783 |
loader = non_reflection_class_loader(loader); |
|
2784 |
||
2785 |
oop cl = SystemDictionary::java_system_loader(); |
|
2786 |
while(cl != NULL) { |
|
2787 |
if (cl == loader) return true; |
|
2788 |
cl = parent(cl); |
|
2789 |
} |
|
2790 |
return false; |
|
2791 |
} |
|
2792 |
||
2793 |
oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) { |
|
2794 |
if (loader != NULL) { |
|
2795 |
// See whether this is one of the class loaders associated with |
|
2796 |
// the generated bytecodes for reflection, and if so, "magically" |
|
2797 |
// delegate to its parent to prevent class loading from occurring |
|
2798 |
// in places where applications using reflection didn't expect it. |
|
4571 | 2799 |
klassOop delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass(); |
1 | 2800 |
// This might be null in non-1.4 JDKs |
2801 |
if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) { |
|
2802 |
return parent(loader); |
|
2803 |
} |
|
2804 |
} |
|
2805 |
return loader; |
|
2806 |
} |
|
2807 |
||
2808 |
||
2809 |
// Support for java_lang_System |
|
2810 |
int java_lang_System::in_offset_in_bytes() { |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2811 |
return (instanceMirrorKlass::offset_of_static_fields() + static_in_offset); |
1 | 2812 |
} |
2813 |
||
2814 |
||
2815 |
int java_lang_System::out_offset_in_bytes() { |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2816 |
return (instanceMirrorKlass::offset_of_static_fields() + static_out_offset); |
1 | 2817 |
} |
2818 |
||
2819 |
||
2820 |
int java_lang_System::err_offset_in_bytes() { |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
2821 |
return (instanceMirrorKlass::offset_of_static_fields() + static_err_offset); |
1 | 2822 |
} |
2823 |
||
2824 |
||
2825 |
||
2826 |
int java_lang_String::value_offset; |
|
2827 |
int java_lang_String::offset_offset; |
|
2828 |
int java_lang_String::count_offset; |
|
2829 |
int java_lang_String::hash_offset; |
|
10546 | 2830 |
int java_lang_Class::_klass_offset; |
2831 |
int java_lang_Class::_array_klass_offset; |
|
2832 |
int java_lang_Class::_resolved_constructor_offset; |
|
2833 |
int java_lang_Class::_oop_size_offset; |
|
2834 |
int java_lang_Class::_static_oop_field_count_offset; |
|
1 | 2835 |
int java_lang_Throwable::backtrace_offset; |
2836 |
int java_lang_Throwable::detailMessage_offset; |
|
2837 |
int java_lang_Throwable::cause_offset; |
|
2838 |
int java_lang_Throwable::stackTrace_offset; |
|
10233
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
2839 |
int java_lang_Throwable::static_unassigned_stacktrace_offset; |
1 | 2840 |
int java_lang_reflect_AccessibleObject::override_offset; |
2841 |
int java_lang_reflect_Method::clazz_offset; |
|
2842 |
int java_lang_reflect_Method::name_offset; |
|
2843 |
int java_lang_reflect_Method::returnType_offset; |
|
2844 |
int java_lang_reflect_Method::parameterTypes_offset; |
|
2845 |
int java_lang_reflect_Method::exceptionTypes_offset; |
|
2846 |
int java_lang_reflect_Method::slot_offset; |
|
2847 |
int java_lang_reflect_Method::modifiers_offset; |
|
2848 |
int java_lang_reflect_Method::signature_offset; |
|
2849 |
int java_lang_reflect_Method::annotations_offset; |
|
2850 |
int java_lang_reflect_Method::parameter_annotations_offset; |
|
2851 |
int java_lang_reflect_Method::annotation_default_offset; |
|
2852 |
int java_lang_reflect_Constructor::clazz_offset; |
|
2853 |
int java_lang_reflect_Constructor::parameterTypes_offset; |
|
2854 |
int java_lang_reflect_Constructor::exceptionTypes_offset; |
|
2855 |
int java_lang_reflect_Constructor::slot_offset; |
|
2856 |
int java_lang_reflect_Constructor::modifiers_offset; |
|
2857 |
int java_lang_reflect_Constructor::signature_offset; |
|
2858 |
int java_lang_reflect_Constructor::annotations_offset; |
|
2859 |
int java_lang_reflect_Constructor::parameter_annotations_offset; |
|
2860 |
int java_lang_reflect_Field::clazz_offset; |
|
2861 |
int java_lang_reflect_Field::name_offset; |
|
2862 |
int java_lang_reflect_Field::type_offset; |
|
2863 |
int java_lang_reflect_Field::slot_offset; |
|
2864 |
int java_lang_reflect_Field::modifiers_offset; |
|
2865 |
int java_lang_reflect_Field::signature_offset; |
|
2866 |
int java_lang_reflect_Field::annotations_offset; |
|
2867 |
int java_lang_boxing_object::value_offset; |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2868 |
int java_lang_boxing_object::long_value_offset; |
1 | 2869 |
int java_lang_ref_Reference::referent_offset; |
2870 |
int java_lang_ref_Reference::queue_offset; |
|
2871 |
int java_lang_ref_Reference::next_offset; |
|
2872 |
int java_lang_ref_Reference::discovered_offset; |
|
2873 |
int java_lang_ref_Reference::static_lock_offset; |
|
2874 |
int java_lang_ref_Reference::static_pending_offset; |
|
2875 |
int java_lang_ref_Reference::number_of_fake_oop_fields; |
|
2876 |
int java_lang_ref_SoftReference::timestamp_offset; |
|
2877 |
int java_lang_ref_SoftReference::static_clock_offset; |
|
2878 |
int java_lang_ClassLoader::parent_offset; |
|
2879 |
int java_lang_System::static_in_offset; |
|
2880 |
int java_lang_System::static_out_offset; |
|
2881 |
int java_lang_System::static_err_offset; |
|
2882 |
int java_lang_StackTraceElement::declaringClass_offset; |
|
2883 |
int java_lang_StackTraceElement::methodName_offset; |
|
2884 |
int java_lang_StackTraceElement::fileName_offset; |
|
2885 |
int java_lang_StackTraceElement::lineNumber_offset; |
|
2886 |
int java_lang_AssertionStatusDirectives::classes_offset; |
|
2887 |
int java_lang_AssertionStatusDirectives::classEnabled_offset; |
|
2888 |
int java_lang_AssertionStatusDirectives::packages_offset; |
|
2889 |
int java_lang_AssertionStatusDirectives::packageEnabled_offset; |
|
2890 |
int java_lang_AssertionStatusDirectives::deflt_offset; |
|
2891 |
int java_nio_Buffer::_limit_offset; |
|
2892 |
int sun_misc_AtomicLongCSImpl::_value_offset; |
|
2893 |
int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0; |
|
2894 |
int sun_reflect_ConstantPool::_cp_oop_offset; |
|
2895 |
int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset; |
|
2896 |
||
2897 |
||
2898 |
// Support for java_lang_StackTraceElement |
|
2899 |
||
2900 |
void java_lang_StackTraceElement::set_fileName(oop element, oop value) { |
|
2901 |
element->obj_field_put(fileName_offset, value); |
|
2902 |
} |
|
2903 |
||
2904 |
void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) { |
|
2905 |
element->obj_field_put(declaringClass_offset, value); |
|
2906 |
} |
|
2907 |
||
2908 |
void java_lang_StackTraceElement::set_methodName(oop element, oop value) { |
|
2909 |
element->obj_field_put(methodName_offset, value); |
|
2910 |
} |
|
2911 |
||
2912 |
void java_lang_StackTraceElement::set_lineNumber(oop element, int value) { |
|
2913 |
element->int_field_put(lineNumber_offset, value); |
|
2914 |
} |
|
2915 |
||
2916 |
||
2917 |
// Support for java Assertions - java_lang_AssertionStatusDirectives. |
|
2918 |
||
2919 |
void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) { |
|
2920 |
o->obj_field_put(classes_offset, val); |
|
2921 |
} |
|
2922 |
||
2923 |
void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) { |
|
2924 |
o->obj_field_put(classEnabled_offset, val); |
|
2925 |
} |
|
2926 |
||
2927 |
void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) { |
|
2928 |
o->obj_field_put(packages_offset, val); |
|
2929 |
} |
|
2930 |
||
2931 |
void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) { |
|
2932 |
o->obj_field_put(packageEnabled_offset, val); |
|
2933 |
} |
|
2934 |
||
2935 |
void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) { |
|
2936 |
o->bool_field_put(deflt_offset, val); |
|
2937 |
} |
|
2938 |
||
2939 |
||
2940 |
// Support for intrinsification of java.nio.Buffer.checkIndex |
|
2941 |
int java_nio_Buffer::limit_offset() { |
|
2942 |
return _limit_offset; |
|
2943 |
} |
|
2944 |
||
2945 |
||
2946 |
void java_nio_Buffer::compute_offsets() { |
|
10546 | 2947 |
klassOop k = SystemDictionary::nio_Buffer_klass(); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2948 |
assert(k != NULL, "must be loaded in 1.4+"); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2949 |
compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature()); |
1 | 2950 |
} |
2951 |
||
2952 |
// Support for intrinsification of sun.misc.AtomicLongCSImpl.attemptUpdate |
|
2953 |
int sun_misc_AtomicLongCSImpl::value_offset() { |
|
10546 | 2954 |
assert(SystemDictionary::AtomicLongCSImpl_klass() != NULL, "can't call this"); |
1 | 2955 |
return _value_offset; |
2956 |
} |
|
2957 |
||
2958 |
||
2959 |
void sun_misc_AtomicLongCSImpl::compute_offsets() { |
|
10546 | 2960 |
klassOop k = SystemDictionary::AtomicLongCSImpl_klass(); |
1 | 2961 |
// If this class is not present, its value field offset won't be referenced. |
2962 |
if (k != NULL) { |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2963 |
compute_offset(_value_offset, k, vmSymbols::value_name(), vmSymbols::long_signature()); |
1 | 2964 |
} |
2965 |
} |
|
2966 |
||
2967 |
void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) { |
|
2968 |
if (_owner_offset != 0) return; |
|
2969 |
||
2970 |
assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later"); |
|
2971 |
SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK); |
|
2972 |
klassOop k = SystemDictionary::abstract_ownable_synchronizer_klass(); |
|
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
2973 |
compute_offset(_owner_offset, k, |
1 | 2974 |
vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature()); |
2975 |
} |
|
2976 |
||
2977 |
oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) { |
|
2978 |
assert(_owner_offset != 0, "Must be initialized"); |
|
2979 |
return obj->obj_field(_owner_offset); |
|
2980 |
} |
|
2981 |
||
2982 |
// Compute hard-coded offsets |
|
2983 |
// Invoked before SystemDictionary::initialize, so pre-loaded classes |
|
2984 |
// are not available to determine the offset_of_static_fields. |
|
2985 |
void JavaClasses::compute_hard_coded_offsets() { |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
345
diff
changeset
|
2986 |
const int x = heapOopSize; |
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
2987 |
const int header = instanceOopDesc::base_offset_in_bytes(); |
1 | 2988 |
|
2989 |
// Do the String Class |
|
2990 |
java_lang_String::value_offset = java_lang_String::hc_value_offset * x + header; |
|
2991 |
java_lang_String::offset_offset = java_lang_String::hc_offset_offset * x + header; |
|
2992 |
java_lang_String::count_offset = java_lang_String::offset_offset + sizeof (jint); |
|
2993 |
java_lang_String::hash_offset = java_lang_String::count_offset + sizeof (jint); |
|
2994 |
||
2995 |
// Throwable Class |
|
2996 |
java_lang_Throwable::backtrace_offset = java_lang_Throwable::hc_backtrace_offset * x + header; |
|
2997 |
java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header; |
|
2998 |
java_lang_Throwable::cause_offset = java_lang_Throwable::hc_cause_offset * x + header; |
|
2999 |
java_lang_Throwable::stackTrace_offset = java_lang_Throwable::hc_stackTrace_offset * x + header; |
|
10233
b40fd2bd2fac
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
10018
diff
changeset
|
3000 |
java_lang_Throwable::static_unassigned_stacktrace_offset = java_lang_Throwable::hc_static_unassigned_stacktrace_offset * x; |
1 | 3001 |
|
3002 |
// java_lang_boxing_object |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3003 |
java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header; |
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3004 |
java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong); |
1 | 3005 |
|
3006 |
// java_lang_ref_Reference: |
|
3007 |
java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header; |
|
3008 |
java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header; |
|
3009 |
java_lang_ref_Reference::next_offset = java_lang_ref_Reference::hc_next_offset * x + header; |
|
3010 |
java_lang_ref_Reference::discovered_offset = java_lang_ref_Reference::hc_discovered_offset * x + header; |
|
3011 |
java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset * x; |
|
3012 |
java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x; |
|
3013 |
// Artificial fields for java_lang_ref_Reference |
|
3014 |
// The first field is for the discovered field added in 1.4 |
|
3015 |
java_lang_ref_Reference::number_of_fake_oop_fields = 1; |
|
3016 |
||
3017 |
// java_lang_ref_SoftReference Class |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3018 |
java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong); |
1 | 3019 |
// Don't multiply static fields because they are always in wordSize units |
3020 |
java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x; |
|
3021 |
||
3022 |
// java_lang_ClassLoader |
|
3023 |
java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header; |
|
3024 |
||
3025 |
// java_lang_System |
|
3026 |
java_lang_System::static_in_offset = java_lang_System::hc_static_in_offset * x; |
|
3027 |
java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x; |
|
3028 |
java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x; |
|
3029 |
||
3030 |
// java_lang_StackTraceElement |
|
3031 |
java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset * x + header; |
|
3032 |
java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header; |
|
3033 |
java_lang_StackTraceElement::fileName_offset = java_lang_StackTraceElement::hc_fileName_offset * x + header; |
|
3034 |
java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header; |
|
3035 |
java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header; |
|
3036 |
java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header; |
|
3037 |
java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header; |
|
3038 |
java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header; |
|
3039 |
java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header; |
|
3040 |
||
3041 |
} |
|
3042 |
||
3043 |
||
3044 |
// Compute non-hard-coded field offsets of all the classes in this file |
|
3045 |
void JavaClasses::compute_offsets() { |
|
10546 | 3046 |
// java_lang_Class::compute_offsets was called earlier in bootstrap |
3047 |
java_lang_ClassLoader::compute_offsets(); |
|
1 | 3048 |
java_lang_Thread::compute_offsets(); |
3049 |
java_lang_ThreadGroup::compute_offsets(); |
|
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8728
diff
changeset
|
3050 |
if (EnableInvokeDynamic) { |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
3051 |
java_lang_invoke_MethodHandle::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
3052 |
java_lang_invoke_MemberName::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
3053 |
java_lang_invoke_DirectMethodHandle::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
3054 |
java_lang_invoke_BoundMethodHandle::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
3055 |
java_lang_invoke_AdapterMethodHandle::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
3056 |
java_lang_invoke_MethodType::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
3057 |
java_lang_invoke_MethodTypeForm::compute_offsets(); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
3058 |
java_lang_invoke_CallSite::compute_offsets(); |
10514
e229a19078cf
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
10509
diff
changeset
|
3059 |
java_lang_invoke_CountingMethodHandle::compute_offsets(); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
3060 |
} |
1 | 3061 |
java_security_AccessControlContext::compute_offsets(); |
3062 |
// Initialize reflection classes. The layouts of these classes |
|
3063 |
// changed with the new reflection implementation in JDK 1.4, and |
|
3064 |
// since the Universe doesn't know what JDK version it is until this |
|
3065 |
// point we defer computation of these offsets until now. |
|
3066 |
java_lang_reflect_AccessibleObject::compute_offsets(); |
|
3067 |
java_lang_reflect_Method::compute_offsets(); |
|
3068 |
java_lang_reflect_Constructor::compute_offsets(); |
|
3069 |
java_lang_reflect_Field::compute_offsets(); |
|
3070 |
if (JDK_Version::is_gte_jdk14x_version()) { |
|
3071 |
java_nio_Buffer::compute_offsets(); |
|
3072 |
} |
|
3073 |
if (JDK_Version::is_gte_jdk15x_version()) { |
|
3074 |
sun_reflect_ConstantPool::compute_offsets(); |
|
3075 |
sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets(); |
|
3076 |
} |
|
3077 |
sun_misc_AtomicLongCSImpl::compute_offsets(); |
|
2534 | 3078 |
|
3079 |
// generated interpreter code wants to know about the offsets we just computed: |
|
3080 |
AbstractAssembler::update_delayed_values(); |
|
1 | 3081 |
} |
3082 |
||
3083 |
#ifndef PRODUCT |
|
3084 |
||
3085 |
// These functions exist to assert the validity of hard-coded field offsets to guard |
|
3086 |
// against changes in the class files |
|
3087 |
||
3088 |
bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { |
|
3089 |
EXCEPTION_MARK; |
|
3090 |
fieldDescriptor fd; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3091 |
TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
1 | 3092 |
klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
3093 |
instanceKlassHandle h_klass (THREAD, k); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3094 |
TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3095 |
TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3096 |
if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
1 | 3097 |
tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name); |
3098 |
return false; |
|
3099 |
} |
|
3100 |
if (fd.is_static()) { |
|
3101 |
tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name); |
|
3102 |
return false; |
|
3103 |
} |
|
3104 |
if (fd.offset() == hardcoded_offset ) { |
|
3105 |
return true; |
|
3106 |
} else { |
|
3107 |
tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.", |
|
3108 |
klass_name, field_name, hardcoded_offset, fd.offset()); |
|
3109 |
return false; |
|
3110 |
} |
|
3111 |
} |
|
3112 |
||
3113 |
||
3114 |
bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { |
|
3115 |
EXCEPTION_MARK; |
|
3116 |
fieldDescriptor fd; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3117 |
TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
1 | 3118 |
klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
3119 |
instanceKlassHandle h_klass (THREAD, k); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3120 |
TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3121 |
TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3122 |
if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
1 | 3123 |
tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
3124 |
return false; |
|
3125 |
} |
|
3126 |
if (!fd.is_static()) { |
|
3127 |
tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name); |
|
3128 |
return false; |
|
3129 |
} |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
3130 |
if (fd.offset() == hardcoded_offset + instanceMirrorKlass::offset_of_static_fields()) { |
1 | 3131 |
return true; |
3132 |
} else { |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
3133 |
tty->print_cr("Offset of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_offset, fd.offset() - instanceMirrorKlass::offset_of_static_fields()); |
1 | 3134 |
return false; |
3135 |
} |
|
3136 |
} |
|
3137 |
||
3138 |
||
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3139 |
bool JavaClasses::check_constant(const char *klass_name, int hardcoded_constant, const char *field_name, const char* field_sig) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3140 |
EXCEPTION_MARK; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3141 |
fieldDescriptor fd; |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3142 |
TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3143 |
klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3144 |
instanceKlassHandle h_klass (THREAD, k); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3145 |
TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3146 |
TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7414
diff
changeset
|
3147 |
if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3148 |
tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3149 |
return false; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3150 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3151 |
if (!fd.is_static() || !fd.has_initial_value()) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3152 |
tty->print_cr("Static field %s.%s appears to be non-constant", klass_name, field_name); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3153 |
return false; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3154 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3155 |
if (!fd.initial_value_tag().is_int()) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3156 |
tty->print_cr("Static field %s.%s is not an int", klass_name, field_name); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3157 |
return false; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3158 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3159 |
jint field_value = fd.int_initial_value(); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3160 |
if (field_value == hardcoded_constant) { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3161 |
return true; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3162 |
} else { |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3163 |
tty->print_cr("Constant value of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_constant, field_value); |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3164 |
return false; |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3165 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3166 |
} |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3167 |
|
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3168 |
|
1 | 3169 |
// Check the hard-coded field offsets of all the classes in this file |
3170 |
||
3171 |
void JavaClasses::check_offsets() { |
|
3172 |
bool valid = true; |
|
3173 |
||
3174 |
#define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
|
3175 |
valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig) |
|
3176 |
||
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3177 |
#define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3178 |
valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig) |
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3179 |
|
1 | 3180 |
#define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
3181 |
valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig) |
|
3182 |
||
379
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3183 |
#define CHECK_CONSTANT(klass_name, cpp_klass_name, field_name, field_sig) \ |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3184 |
valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig) |
10767ca40189
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
360
diff
changeset
|
3185 |
|
1 | 3186 |
// java.lang.String |
3187 |
||
3188 |
CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C"); |
|
3189 |
CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I"); |
|
3190 |
CHECK_OFFSET("java/lang/String", java_lang_String, count, "I"); |
|
3191 |
CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I"); |
|
3192 |
||
3193 |
// java.lang.Class |
|
3194 |
||
3195 |
// Fake fields |
|
3196 |
// CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked |
|
3197 |
// CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked |
|
3198 |
// CHECK_OFFSET("java/lang/Class", java_lang_Class, resolved_constructor); // %%% this needs to be checked |
|
3199 |
||
3200 |
// java.lang.Throwable |
|
3201 |
||
3202 |
CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;"); |
|
3203 |
CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;"); |
|
3204 |
CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;"); |
|
3205 |
CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;"); |
|
3206 |
||
3207 |
// Boxed primitive objects (java_lang_boxing_object) |
|
3208 |
||
3209 |
CHECK_OFFSET("java/lang/Boolean", java_lang_boxing_object, value, "Z"); |
|
3210 |
CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C"); |
|
3211 |
CHECK_OFFSET("java/lang/Float", java_lang_boxing_object, value, "F"); |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3212 |
CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D"); |
1 | 3213 |
CHECK_OFFSET("java/lang/Byte", java_lang_boxing_object, value, "B"); |
3214 |
CHECK_OFFSET("java/lang/Short", java_lang_boxing_object, value, "S"); |
|
3215 |
CHECK_OFFSET("java/lang/Integer", java_lang_boxing_object, value, "I"); |
|
591
04d2e26e6d69
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
379
diff
changeset
|
3216 |
CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J"); |
1 | 3217 |
|
3218 |
// java.lang.ClassLoader |
|
3219 |
||
3220 |
CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent, "Ljava/lang/ClassLoader;"); |
|
3221 |
||
3222 |
// java.lang.System |
|
3223 |
||
3224 |
CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, in, "Ljava/io/InputStream;"); |
|
3225 |
CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;"); |
|
3226 |
CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;"); |
|
3227 |
||
3228 |
// java.lang.StackTraceElement |
|
3229 |
||
3230 |
CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;"); |
|
3231 |
CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;"); |
|
3232 |
CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, fileName, "Ljava/lang/String;"); |
|
3233 |
CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I"); |
|
3234 |
||
3235 |
// java.lang.ref.Reference |
|
3236 |
||
3237 |
CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;"); |
|
3238 |
CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;"); |
|
3239 |
CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;"); |
|
3240 |
// Fake field |
|
3241 |
//CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;"); |
|
3242 |
CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;"); |
|
3243 |
CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;"); |
|
3244 |
||
3245 |
// java.lang.ref.SoftReference |
|
3246 |
||
3247 |
CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J"); |
|
3248 |
CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J"); |
|
3249 |
||
3250 |
// java.lang.AssertionStatusDirectives |
|
3251 |
// |
|
3252 |
// The CheckAssertionStatusDirectives boolean can be removed from here and |
|
3253 |
// globals.hpp after the AssertionStatusDirectives class has been integrated |
|
3254 |
// into merlin "for some time." Without it, the vm will fail with early |
|
3255 |
// merlin builds. |
|
3256 |
||
3257 |
if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) { |
|
3258 |
const char* nm = "java/lang/AssertionStatusDirectives"; |
|
3259 |
const char* sig = "[Ljava/lang/String;"; |
|
3260 |
CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig); |
|
3261 |
CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z"); |
|
3262 |
CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig); |
|
3263 |
CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z"); |
|
3264 |
CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z"); |
|
3265 |
} |
|
3266 |
||
3267 |
if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed"); |
|
3268 |
} |
|
3269 |
||
3270 |
#endif // PRODUCT |
|
3271 |
||
10546 | 3272 |
int InjectedField::compute_offset() { |
3273 |
klassOop klass_oop = klass(); |
|
3274 |
for (AllFieldStream fs(instanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
|
3275 |
if (!may_be_java && !fs.access_flags().is_internal()) { |
|
3276 |
// Only look at injected fields |
|
3277 |
continue; |
|
3278 |
} |
|
3279 |
if (fs.name() == name() && fs.signature() == signature()) { |
|
3280 |
return fs.offset(); |
|
3281 |
} |
|
3282 |
} |
|
3283 |
ResourceMark rm; |
|
3284 |
tty->print_cr("Invalid layout of %s at %s", instanceKlass::cast(klass_oop)->external_name(), name()->as_C_string()); |
|
3285 |
fatal("Invalid layout of preloaded class"); |
|
3286 |
return -1; |
|
3287 |
} |
|
3288 |
||
1 | 3289 |
void javaClasses_init() { |
3290 |
JavaClasses::compute_offsets(); |
|
3291 |
JavaClasses::check_offsets(); |
|
3292 |
FilteredFieldsMap::initialize(); // must be done after computing offsets. |
|
3293 |
} |