author | iklam |
Mon, 23 Sep 2013 08:56:19 -0700 | |
changeset 20070 | 90ee74be2445 |
parent 20017 | 81eba62e9048 |
child 20282 | 7f9cbdf89af2 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1998, 2013, 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 "gc_implementation/shared/markSweep.inline.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "interpreter/rewriter.hpp" |
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#include "memory/universe.inline.hpp" |
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#include "oops/cpCache.hpp" |
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#include "oops/objArrayOop.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "prims/jvmtiRedefineClassesTrace.hpp" |
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#include "prims/methodHandles.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "utilities/macros.hpp" |
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#if INCLUDE_ALL_GCS |
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# include "gc_implementation/parallelScavenge/psPromotionManager.hpp" |
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#endif // INCLUDE_ALL_GCS |
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// Implememtation of ConstantPoolCacheEntry |
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||
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void ConstantPoolCacheEntry::initialize_entry(int index) { |
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assert(0 < index && index < 0x10000, "sanity check"); |
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_indices = index; |
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_f1 = NULL; |
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_f2 = _flags = 0; |
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assert(constant_pool_index() == index, ""); |
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} |
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int ConstantPoolCacheEntry::make_flags(TosState state, |
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int option_bits, |
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int field_index_or_method_params) { |
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assert(state < number_of_states, "Invalid state in make_flags"); |
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int f = ((int)state << tos_state_shift) | option_bits | field_index_or_method_params; |
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// Preserve existing flag bit values |
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// The low bits are a field offset, or else the method parameter size. |
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#ifdef ASSERT |
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TosState old_state = flag_state(); |
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assert(old_state == (TosState)0 || old_state == state, |
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"inconsistent cpCache flags state"); |
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#endif |
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return (_flags | f) ; |
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} |
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void ConstantPoolCacheEntry::set_bytecode_1(Bytecodes::Code code) { |
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#ifdef ASSERT |
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// Read once. |
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volatile Bytecodes::Code c = bytecode_1(); |
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assert(c == 0 || c == code || code == 0, "update must be consistent"); |
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#endif |
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// Need to flush pending stores here before bytecode is written. |
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OrderAccess::release_store_ptr(&_indices, _indices | ((u_char)code << bytecode_1_shift)); |
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} |
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void ConstantPoolCacheEntry::set_bytecode_2(Bytecodes::Code code) { |
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#ifdef ASSERT |
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// Read once. |
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volatile Bytecodes::Code c = bytecode_2(); |
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assert(c == 0 || c == code || code == 0, "update must be consistent"); |
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#endif |
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// Need to flush pending stores here before bytecode is written. |
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OrderAccess::release_store_ptr(&_indices, _indices | ((u_char)code << bytecode_2_shift)); |
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} |
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// Sets f1, ordering with previous writes. |
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void ConstantPoolCacheEntry::release_set_f1(Metadata* f1) { |
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assert(f1 != NULL, ""); |
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OrderAccess::release_store_ptr((HeapWord*) &_f1, f1); |
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} |
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// Sets flags, but only if the value was previously zero. |
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bool ConstantPoolCacheEntry::init_flags_atomic(intptr_t flags) { |
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intptr_t result = Atomic::cmpxchg_ptr(flags, &_flags, 0); |
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return (result == 0); |
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} |
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// Note that concurrent update of both bytecodes can leave one of them |
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// reset to zero. This is harmless; the interpreter will simply re-resolve |
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// the damaged entry. More seriously, the memory synchronization is needed |
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// to flush other fields (f1, f2) completely to memory before the bytecodes |
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// are updated, lest other processors see a non-zero bytecode but zero f1/f2. |
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void ConstantPoolCacheEntry::set_field(Bytecodes::Code get_code, |
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Bytecodes::Code put_code, |
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KlassHandle field_holder, |
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int field_index, |
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int field_offset, |
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TosState field_type, |
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bool is_final, |
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bool is_volatile, |
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Klass* root_klass) { |
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set_f1(field_holder()); |
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set_f2(field_offset); |
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assert((field_index & field_index_mask) == field_index, |
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"field index does not fit in low flag bits"); |
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set_field_flags(field_type, |
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((is_volatile ? 1 : 0) << is_volatile_shift) | |
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((is_final ? 1 : 0) << is_final_shift), |
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field_index); |
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set_bytecode_1(get_code); |
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set_bytecode_2(put_code); |
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NOT_PRODUCT(verify(tty)); |
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} |
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||
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void ConstantPoolCacheEntry::set_parameter_size(int value) { |
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// This routine is called only in corner cases where the CPCE is not yet initialized. |
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// See AbstractInterpreter::deopt_continue_after_entry. |
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assert(_flags == 0 || parameter_size() == 0 || parameter_size() == value, |
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err_msg("size must not change: parameter_size=%d, value=%d", parameter_size(), value)); |
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// Setting the parameter size by itself is only safe if the |
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// current value of _flags is 0, otherwise another thread may have |
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// updated it and we don't want to overwrite that value. Don't |
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// bother trying to update it once it's nonzero but always make |
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// sure that the final parameter size agrees with what was passed. |
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if (_flags == 0) { |
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Atomic::cmpxchg_ptr((value & parameter_size_mask), &_flags, 0); |
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} |
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guarantee(parameter_size() == value, |
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err_msg("size must not change: parameter_size=%d, value=%d", parameter_size(), value)); |
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} |
142 |
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void ConstantPoolCacheEntry::set_direct_or_vtable_call(Bytecodes::Code invoke_code, |
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methodHandle method, |
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int vtable_index) { |
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bool is_vtable_call = (vtable_index >= 0); // FIXME: split this method on this boolean |
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assert(method->interpreter_entry() != NULL, "should have been set at this point"); |
148 |
assert(!method->is_obsolete(), "attempt to write obsolete method to cpCache"); |
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150 |
int byte_no = -1; |
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bool change_to_virtual = false; |
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|
1 | 153 |
switch (invoke_code) { |
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case Bytecodes::_invokeinterface: |
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// We get here from InterpreterRuntime::resolve_invoke when an invokeinterface |
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// instruction somehow links to a non-interface method (in Object). |
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// In that case, the method has no itable index and must be invoked as a virtual. |
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// Set a flag to keep track of this corner case. |
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change_to_virtual = true; |
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160 |
|
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// ...and fall through as if we were handling invokevirtual: |
1 | 162 |
case Bytecodes::_invokevirtual: |
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{ |
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if (!is_vtable_call) { |
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assert(method->can_be_statically_bound(), ""); |
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// set_f2_as_vfinal_method checks if is_vfinal flag is true. |
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167 |
set_method_flags(as_TosState(method->result_type()), |
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168 |
( 1 << is_vfinal_shift) | |
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((method->is_final_method() ? 1 : 0) << is_final_shift) | |
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((change_to_virtual ? 1 : 0) << is_forced_virtual_shift), |
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171 |
method()->size_of_parameters()); |
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172 |
set_f2_as_vfinal_method(method()); |
1 | 173 |
} else { |
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174 |
assert(!method->can_be_statically_bound(), ""); |
1 | 175 |
assert(vtable_index >= 0, "valid index"); |
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assert(!method->is_final_method(), "sanity"); |
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177 |
set_method_flags(as_TosState(method->result_type()), |
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((change_to_virtual ? 1 : 0) << is_forced_virtual_shift), |
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179 |
method()->size_of_parameters()); |
1 | 180 |
set_f2(vtable_index); |
181 |
} |
|
182 |
byte_no = 2; |
|
183 |
break; |
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184 |
} |
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185 |
|
1 | 186 |
case Bytecodes::_invokespecial: |
187 |
case Bytecodes::_invokestatic: |
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188 |
assert(!is_vtable_call, ""); |
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189 |
// Note: Read and preserve the value of the is_vfinal flag on any |
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190 |
// invokevirtual bytecode shared with this constant pool cache entry. |
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191 |
// It is cheap and safe to consult is_vfinal() at all times. |
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192 |
// Once is_vfinal is set, it must stay that way, lest we get a dangling oop. |
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193 |
set_method_flags(as_TosState(method->result_type()), |
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194 |
((is_vfinal() ? 1 : 0) << is_vfinal_shift) | |
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195 |
((method->is_final_method() ? 1 : 0) << is_final_shift), |
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196 |
method()->size_of_parameters()); |
1 | 197 |
set_f1(method()); |
198 |
byte_no = 1; |
|
199 |
break; |
|
200 |
default: |
|
201 |
ShouldNotReachHere(); |
|
202 |
break; |
|
203 |
} |
|
204 |
||
205 |
// Note: byte_no also appears in TemplateTable::resolve. |
|
206 |
if (byte_no == 1) { |
|
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207 |
assert(invoke_code != Bytecodes::_invokevirtual && |
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208 |
invoke_code != Bytecodes::_invokeinterface, ""); |
1 | 209 |
set_bytecode_1(invoke_code); |
210 |
} else if (byte_no == 2) { |
|
211 |
if (change_to_virtual) { |
|
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212 |
assert(invoke_code == Bytecodes::_invokeinterface, ""); |
1 | 213 |
// NOTE: THIS IS A HACK - BE VERY CAREFUL!!! |
214 |
// |
|
215 |
// Workaround for the case where we encounter an invokeinterface, but we |
|
216 |
// should really have an _invokevirtual since the resolved method is a |
|
217 |
// virtual method in java.lang.Object. This is a corner case in the spec |
|
218 |
// but is presumably legal. javac does not generate this code. |
|
219 |
// |
|
220 |
// We set bytecode_1() to _invokeinterface, because that is the |
|
221 |
// bytecode # used by the interpreter to see if it is resolved. |
|
222 |
// We set bytecode_2() to _invokevirtual. |
|
223 |
// See also interpreterRuntime.cpp. (8/25/2000) |
|
224 |
// Only set resolved for the invokeinterface case if method is public. |
|
225 |
// Otherwise, the method needs to be reresolved with caller for each |
|
226 |
// interface call. |
|
227 |
if (method->is_public()) set_bytecode_1(invoke_code); |
|
228 |
} else { |
|
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229 |
assert(invoke_code == Bytecodes::_invokevirtual, ""); |
1 | 230 |
} |
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231 |
// set up for invokevirtual, even if linking for invokeinterface also: |
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232 |
set_bytecode_2(Bytecodes::_invokevirtual); |
1 | 233 |
} else { |
234 |
ShouldNotReachHere(); |
|
235 |
} |
|
236 |
NOT_PRODUCT(verify(tty)); |
|
237 |
} |
|
238 |
||
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239 |
void ConstantPoolCacheEntry::set_direct_call(Bytecodes::Code invoke_code, methodHandle method) { |
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240 |
int index = Method::nonvirtual_vtable_index; |
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241 |
// index < 0; FIXME: inline and customize set_direct_or_vtable_call |
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242 |
set_direct_or_vtable_call(invoke_code, method, index); |
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243 |
} |
1 | 244 |
|
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245 |
void ConstantPoolCacheEntry::set_vtable_call(Bytecodes::Code invoke_code, methodHandle method, int index) { |
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246 |
// either the method is a miranda or its holder should accept the given index |
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247 |
assert(method->method_holder()->is_interface() || method->method_holder()->verify_vtable_index(index), ""); |
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248 |
// index >= 0; FIXME: inline and customize set_direct_or_vtable_call |
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249 |
set_direct_or_vtable_call(invoke_code, method, index); |
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250 |
} |
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251 |
|
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252 |
void ConstantPoolCacheEntry::set_itable_call(Bytecodes::Code invoke_code, methodHandle method, int index) { |
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253 |
assert(method->method_holder()->verify_itable_index(index), ""); |
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254 |
assert(invoke_code == Bytecodes::_invokeinterface, ""); |
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255 |
InstanceKlass* interf = method->method_holder(); |
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256 |
assert(interf->is_interface(), "must be an interface"); |
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257 |
assert(!method->is_final_method(), "interfaces do not have final methods; cannot link to one here"); |
1 | 258 |
set_f1(interf); |
259 |
set_f2(index); |
|
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260 |
set_method_flags(as_TosState(method->result_type()), |
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|
261 |
0, // no option bits |
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262 |
method()->size_of_parameters()); |
1 | 263 |
set_bytecode_1(Bytecodes::_invokeinterface); |
264 |
} |
|
265 |
||
266 |
||
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267 |
void ConstantPoolCacheEntry::set_method_handle(constantPoolHandle cpool, const CallInfo &call_info) { |
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268 |
set_method_handle_common(cpool, Bytecodes::_invokehandle, call_info); |
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|
269 |
} |
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270 |
|
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271 |
void ConstantPoolCacheEntry::set_dynamic_call(constantPoolHandle cpool, const CallInfo &call_info) { |
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272 |
set_method_handle_common(cpool, Bytecodes::_invokedynamic, call_info); |
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273 |
} |
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|
274 |
|
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275 |
void ConstantPoolCacheEntry::set_method_handle_common(constantPoolHandle cpool, |
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276 |
Bytecodes::Code invoke_code, |
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277 |
const CallInfo &call_info) { |
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278 |
// NOTE: This CPCE can be the subject of data races. |
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279 |
// There are three words to update: flags, refs[f2], f1 (in that order). |
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280 |
// Writers must store all other values before f1. |
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|
281 |
// Readers must test f1 first for non-null before reading other fields. |
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|
282 |
// Competing writers must acquire exclusive access via a lock. |
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|
283 |
// A losing writer waits on the lock until the winner writes f1 and leaves |
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|
284 |
// the lock, so that when the losing writer returns, he can use the linked |
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|
285 |
// cache entry. |
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|
286 |
|
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|
287 |
oop cplock = cpool->lock(); |
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|
288 |
ObjectLocker ol(cplock, Thread::current(), cplock != NULL); |
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|
289 |
if (!is_f1_null()) { |
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|
290 |
return; |
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|
291 |
} |
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|
292 |
|
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|
293 |
const methodHandle adapter = call_info.resolved_method(); |
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|
294 |
const Handle appendix = call_info.resolved_appendix(); |
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|
295 |
const Handle method_type = call_info.resolved_method_type(); |
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|
296 |
const bool has_appendix = appendix.not_null(); |
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|
297 |
const bool has_method_type = method_type.not_null(); |
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|
298 |
|
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|
299 |
// Write the flags. |
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|
300 |
set_method_flags(as_TosState(adapter->result_type()), |
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|
301 |
((has_appendix ? 1 : 0) << has_appendix_shift ) | |
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|
302 |
((has_method_type ? 1 : 0) << has_method_type_shift) | |
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|
303 |
( 1 << is_final_shift ), |
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|
304 |
adapter->size_of_parameters()); |
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|
305 |
|
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|
306 |
if (TraceInvokeDynamic) { |
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|
307 |
tty->print_cr("set_method_handle bc=%d appendix="PTR_FORMAT"%s method_type="PTR_FORMAT"%s method="PTR_FORMAT" ", |
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|
308 |
invoke_code, |
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|
309 |
(intptr_t)appendix(), (has_appendix ? "" : " (unused)"), |
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|
310 |
(intptr_t)method_type(), (has_method_type ? "" : " (unused)"), |
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|
311 |
(intptr_t)adapter()); |
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|
312 |
adapter->print(); |
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|
313 |
if (has_appendix) appendix()->print(); |
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|
314 |
} |
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|
315 |
|
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|
316 |
// Method handle invokes and invokedynamic sites use both cp cache words. |
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|
317 |
// refs[f2], if not null, contains a value passed as a trailing argument to the adapter. |
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|
318 |
// In the general case, this could be the call site's MethodType, |
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|
319 |
// for use with java.lang.Invokers.checkExactType, or else a CallSite object. |
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|
320 |
// f1 contains the adapter method which manages the actual call. |
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|
321 |
// In the general case, this is a compiled LambdaForm. |
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|
322 |
// (The Java code is free to optimize these calls by binding other |
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|
323 |
// sorts of methods and appendices to call sites.) |
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|
324 |
// JVM-level linking is via f1, as if for invokespecial, and signatures are erased. |
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|
325 |
// The appendix argument (if any) is added to the signature, and is counted in the parameter_size bits. |
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|
326 |
// Even with the appendix, the method will never take more than 255 parameter slots. |
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|
327 |
// |
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|
328 |
// This means that given a call site like (List)mh.invoke("foo"), |
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|
329 |
// the f1 method has signature '(Ljl/Object;Ljl/invoke/MethodType;)Ljl/Object;', |
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|
330 |
// not '(Ljava/lang/String;)Ljava/util/List;'. |
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changeset
|
331 |
// The fact that String and List are involved is encoded in the MethodType in refs[f2]. |
13391
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7023639: JSR 292 method handle invocation needs a fast path for compiled code
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changeset
|
332 |
// This allows us to create fewer method oops, while keeping type safety. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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|
333 |
// |
13728
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parents:
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diff
changeset
|
334 |
|
14393
93a4dcdbebfd
8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common
twisti
parents:
13929
diff
changeset
|
335 |
objArrayHandle resolved_references = cpool->resolved_references(); |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
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changeset
|
336 |
// Store appendix, if any. |
13728
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coleenp
parents:
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diff
changeset
|
337 |
if (has_appendix) { |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
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diff
changeset
|
338 |
const int appendix_index = f2_as_index() + _indy_resolved_references_appendix_offset; |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
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diff
changeset
|
339 |
assert(appendix_index >= 0 && appendix_index < resolved_references->length(), "oob"); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
340 |
assert(resolved_references->obj_at(appendix_index) == NULL, "init just once"); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
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diff
changeset
|
341 |
resolved_references->obj_at_put(appendix_index, appendix()); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
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diff
changeset
|
342 |
} |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
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diff
changeset
|
343 |
|
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
344 |
// Store MethodType, if any. |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
345 |
if (has_method_type) { |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
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diff
changeset
|
346 |
const int method_type_index = f2_as_index() + _indy_resolved_references_method_type_offset; |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
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diff
changeset
|
347 |
assert(method_type_index >= 0 && method_type_index < resolved_references->length(), "oob"); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
348 |
assert(resolved_references->obj_at(method_type_index) == NULL, "init just once"); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
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diff
changeset
|
349 |
resolved_references->obj_at_put(method_type_index, method_type()); |
13728
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diff
changeset
|
350 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
351 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
352 |
release_set_f1(adapter()); // This must be the last one to set (see NOTE above)! |
882756847a04
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coleenp
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diff
changeset
|
353 |
|
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
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diff
changeset
|
354 |
// The interpreter assembly code does not check byte_2, |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
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diff
changeset
|
355 |
// but it is used by is_resolved, method_if_resolved, etc. |
13728
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coleenp
parents:
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diff
changeset
|
356 |
set_bytecode_1(invoke_code); |
13391
30245956af37
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twisti
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diff
changeset
|
357 |
NOT_PRODUCT(verify(tty)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
358 |
if (TraceInvokeDynamic) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
359 |
this->print(tty, 0); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
360 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
670
diff
changeset
|
361 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
670
diff
changeset
|
362 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
363 |
Method* ConstantPoolCacheEntry::method_if_resolved(constantPoolHandle cpool) { |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
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diff
changeset
|
364 |
// Decode the action of set_method and set_interface_call |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
365 |
Bytecodes::Code invoke_code = bytecode_1(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
366 |
if (invoke_code != (Bytecodes::Code)0) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
367 |
Metadata* f1 = (Metadata*)_f1; |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
368 |
if (f1 != NULL) { |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
369 |
switch (invoke_code) { |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
370 |
case Bytecodes::_invokeinterface: |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
371 |
assert(f1->is_klass(), ""); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
372 |
return klassItable::method_for_itable_index((Klass*)f1, f2_as_index()); |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
373 |
case Bytecodes::_invokestatic: |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
374 |
case Bytecodes::_invokespecial: |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
375 |
assert(!has_appendix(), ""); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
376 |
case Bytecodes::_invokehandle: |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
377 |
case Bytecodes::_invokedynamic: |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
378 |
assert(f1->is_method(), ""); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
379 |
return (Method*)f1; |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
380 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
381 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
382 |
} |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
383 |
invoke_code = bytecode_2(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
384 |
if (invoke_code != (Bytecodes::Code)0) { |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
385 |
switch (invoke_code) { |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
386 |
case Bytecodes::_invokevirtual: |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
387 |
if (is_vfinal()) { |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
388 |
// invokevirtual |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
389 |
Method* m = f2_as_vfinal_method(); |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
390 |
assert(m->is_method(), ""); |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
391 |
return m; |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
392 |
} else { |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
393 |
int holder_index = cpool->uncached_klass_ref_index_at(constant_pool_index()); |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
394 |
if (cpool->tag_at(holder_index).is_klass()) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
395 |
Klass* klass = cpool->resolved_klass_at(holder_index); |
14488 | 396 |
if (!klass->oop_is_instance()) |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
397 |
klass = SystemDictionary::Object_klass(); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
398 |
return InstanceKlass::cast(klass)->method_at_vtable(f2_as_index()); |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
399 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
400 |
} |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
401 |
break; |
10008
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
402 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
403 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
404 |
return NULL; |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
405 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
406 |
|
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9328
diff
changeset
|
407 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
408 |
oop ConstantPoolCacheEntry::appendix_if_resolved(constantPoolHandle cpool) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
409 |
if (is_f1_null() || !has_appendix()) |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
410 |
return NULL; |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
411 |
const int ref_index = f2_as_index() + _indy_resolved_references_appendix_offset; |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
412 |
objArrayOop resolved_references = cpool->resolved_references(); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
413 |
return resolved_references->obj_at(ref_index); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
414 |
} |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
415 |
|
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
416 |
|
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
417 |
oop ConstantPoolCacheEntry::method_type_if_resolved(constantPoolHandle cpool) { |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
418 |
if (is_f1_null() || !has_method_type()) |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
419 |
return NULL; |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
420 |
const int ref_index = f2_as_index() + _indy_resolved_references_method_type_offset; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
421 |
objArrayOop resolved_references = cpool->resolved_references(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
422 |
return resolved_references->obj_at(ref_index); |
1 | 423 |
} |
424 |
||
425 |
||
15591
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
426 |
#if INCLUDE_JVMTI |
1 | 427 |
// RedefineClasses() API support: |
15591
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
428 |
// If this ConstantPoolCacheEntry refers to old_method then update it |
1 | 429 |
// to refer to new_method. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
430 |
bool ConstantPoolCacheEntry::adjust_method_entry(Method* old_method, |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
431 |
Method* new_method, bool * trace_name_printed) { |
1 | 432 |
|
433 |
if (is_vfinal()) { |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
434 |
// virtual and final so _f2 contains method ptr instead of vtable index |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
435 |
if (f2_as_vfinal_method() == old_method) { |
1 | 436 |
// match old_method so need an update |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
437 |
// NOTE: can't use set_f2_as_vfinal_method as it asserts on different values |
1 | 438 |
_f2 = (intptr_t)new_method; |
439 |
if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) { |
|
440 |
if (!(*trace_name_printed)) { |
|
441 |
// RC_TRACE_MESG macro has an embedded ResourceMark |
|
442 |
RC_TRACE_MESG(("adjust: name=%s", |
|
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
13929
diff
changeset
|
443 |
old_method->method_holder()->external_name())); |
1 | 444 |
*trace_name_printed = true; |
445 |
} |
|
446 |
// RC_TRACE macro has an embedded ResourceMark |
|
447 |
RC_TRACE(0x00400000, ("cpc vf-entry update: %s(%s)", |
|
448 |
new_method->name()->as_C_string(), |
|
449 |
new_method->signature()->as_C_string())); |
|
450 |
} |
|
451 |
||
452 |
return true; |
|
453 |
} |
|
454 |
||
455 |
// f1() is not used with virtual entries so bail out |
|
456 |
return false; |
|
457 |
} |
|
458 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
459 |
if (_f1 == NULL) { |
1 | 460 |
// NULL f1() means this is a virtual entry so bail out |
461 |
// We are assuming that the vtable index does not need change. |
|
462 |
return false; |
|
463 |
} |
|
464 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
465 |
if (_f1 == old_method) { |
1 | 466 |
_f1 = new_method; |
467 |
if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) { |
|
468 |
if (!(*trace_name_printed)) { |
|
469 |
// RC_TRACE_MESG macro has an embedded ResourceMark |
|
470 |
RC_TRACE_MESG(("adjust: name=%s", |
|
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
13929
diff
changeset
|
471 |
old_method->method_holder()->external_name())); |
1 | 472 |
*trace_name_printed = true; |
473 |
} |
|
474 |
// RC_TRACE macro has an embedded ResourceMark |
|
475 |
RC_TRACE(0x00400000, ("cpc entry update: %s(%s)", |
|
476 |
new_method->name()->as_C_string(), |
|
477 |
new_method->signature()->as_C_string())); |
|
478 |
} |
|
479 |
||
480 |
return true; |
|
481 |
} |
|
482 |
||
483 |
return false; |
|
484 |
} |
|
485 |
||
15591
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diff
changeset
|
486 |
// a constant pool cache entry should never contain old or obsolete methods |
b8aa0577f137
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diff
changeset
|
487 |
bool ConstantPoolCacheEntry::check_no_old_or_obsolete_entries() { |
13728
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changeset
|
488 |
if (is_vfinal()) { |
15591
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dcubed
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14490
diff
changeset
|
489 |
// virtual and final so _f2 contains method ptr instead of vtable index |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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13391
diff
changeset
|
490 |
Metadata* f2 = (Metadata*)_f2; |
15591
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diff
changeset
|
491 |
// Return false if _f2 refers to an old or an obsolete method. |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
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parents:
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diff
changeset
|
492 |
// _f2 == NULL || !_f2->is_method() are just as unexpected here. |
b8aa0577f137
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dcubed
parents:
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diff
changeset
|
493 |
return (f2 != NULL NOT_PRODUCT(&& f2->is_valid()) && f2->is_method() && |
b8aa0577f137
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parents:
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diff
changeset
|
494 |
!((Method*)f2)->is_old() && !((Method*)f2)->is_obsolete()); |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
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parents:
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diff
changeset
|
495 |
} else if (_f1 == NULL || |
b8aa0577f137
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parents:
14490
diff
changeset
|
496 |
(NOT_PRODUCT(_f1->is_valid() &&) !_f1->is_method())) { |
b8aa0577f137
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diff
changeset
|
497 |
// _f1 == NULL || !_f1->is_method() are OK here |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
498 |
return true; |
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
499 |
} |
15591
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dcubed
parents:
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diff
changeset
|
500 |
// return false if _f1 refers to an old or an obsolete method |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
501 |
return (NOT_PRODUCT(_f1->is_valid() &&) _f1->is_method() && |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
502 |
!((Method*)_f1)->is_old() && !((Method*)_f1)->is_obsolete()); |
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
503 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
504 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
505 |
bool ConstantPoolCacheEntry::is_interesting_method_entry(Klass* k) { |
1 | 506 |
if (!is_method_entry()) { |
507 |
// not a method entry so not interesting by default |
|
508 |
return false; |
|
509 |
} |
|
510 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
511 |
Method* m = NULL; |
1 | 512 |
if (is_vfinal()) { |
513 |
// virtual and final so _f2 contains method ptr instead of vtable index |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
514 |
m = f2_as_vfinal_method(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
515 |
} else if (is_f1_null()) { |
1 | 516 |
// NULL _f1 means this is a virtual entry so also not interesting |
517 |
return false; |
|
518 |
} else { |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
519 |
if (!(_f1->is_method())) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
520 |
// _f1 can also contain a Klass* for an interface |
1 | 521 |
return false; |
522 |
} |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11956
diff
changeset
|
523 |
m = f1_as_method(); |
1 | 524 |
} |
525 |
||
526 |
assert(m != NULL && m->is_method(), "sanity check"); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
527 |
if (m == NULL || !m->is_method() || (k != NULL && m->method_holder() != k)) { |
1 | 528 |
// robustness for above sanity checks or method is not in |
529 |
// the interesting class |
|
530 |
return false; |
|
531 |
} |
|
532 |
||
533 |
// the method is in the interesting class so the entry is interesting |
|
534 |
return true; |
|
535 |
} |
|
15591
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parents:
14490
diff
changeset
|
536 |
#endif // INCLUDE_JVMTI |
1 | 537 |
|
538 |
void ConstantPoolCacheEntry::print(outputStream* st, int index) const { |
|
539 |
// print separator |
|
11956
c363dc1ac4b7
7148126: ConstantPoolCacheEntry::print prints to wrong stream
dholmes
parents:
10546
diff
changeset
|
540 |
if (index == 0) st->print_cr(" -------------"); |
1 | 541 |
// print entry |
11956
c363dc1ac4b7
7148126: ConstantPoolCacheEntry::print prints to wrong stream
dholmes
parents:
10546
diff
changeset
|
542 |
st->print("%3d ("PTR_FORMAT") ", index, (intptr_t)this); |
15591
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dcubed
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diff
changeset
|
543 |
st->print_cr("[%02x|%02x|%5d]", bytecode_2(), bytecode_1(), |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
544 |
constant_pool_index()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
545 |
st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_f1); |
11956
c363dc1ac4b7
7148126: ConstantPoolCacheEntry::print prints to wrong stream
dholmes
parents:
10546
diff
changeset
|
546 |
st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_f2); |
c363dc1ac4b7
7148126: ConstantPoolCacheEntry::print prints to wrong stream
dholmes
parents:
10546
diff
changeset
|
547 |
st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_flags); |
c363dc1ac4b7
7148126: ConstantPoolCacheEntry::print prints to wrong stream
dholmes
parents:
10546
diff
changeset
|
548 |
st->print_cr(" -------------"); |
1 | 549 |
} |
550 |
||
551 |
void ConstantPoolCacheEntry::verify(outputStream* st) const { |
|
552 |
// not implemented yet |
|
553 |
} |
|
554 |
||
555 |
// Implementation of ConstantPoolCache |
|
556 |
||
15928
f9d5c6e4107f
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
15595
diff
changeset
|
557 |
ConstantPoolCache* ConstantPoolCache::allocate(ClassLoaderData* loader_data, |
f9d5c6e4107f
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
15595
diff
changeset
|
558 |
int length, |
f9d5c6e4107f
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
15595
diff
changeset
|
559 |
const intStack& index_map, |
f9d5c6e4107f
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
15595
diff
changeset
|
560 |
const intStack& invokedynamic_map, TRAPS) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
561 |
int size = ConstantPoolCache::size(length); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
562 |
|
17858
c292f8791cca
8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents:
17078
diff
changeset
|
563 |
return new (loader_data, size, false, MetaspaceObj::ConstantPoolCacheType, THREAD) |
c292f8791cca
8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents:
17078
diff
changeset
|
564 |
ConstantPoolCache(length, index_map, invokedynamic_map); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
565 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
566 |
|
15928
f9d5c6e4107f
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
15595
diff
changeset
|
567 |
void ConstantPoolCache::initialize(const intArray& inverse_index_map, |
f9d5c6e4107f
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
15595
diff
changeset
|
568 |
const intArray& invokedynamic_references_map) { |
1 | 569 |
assert(inverse_index_map.length() == length(), "inverse index map must have same length as cache"); |
4429
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3261
diff
changeset
|
570 |
for (int i = 0; i < length(); i++) { |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3261
diff
changeset
|
571 |
ConstantPoolCacheEntry* e = entry_at(i); |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3261
diff
changeset
|
572 |
int original_index = inverse_index_map[i]; |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
573 |
e->initialize_entry(original_index); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
574 |
assert(entry_at(i) == e, "sanity"); |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
575 |
} |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
576 |
for (int ref = 0; ref < invokedynamic_references_map.length(); ref++) { |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
577 |
const int cpci = invokedynamic_references_map[ref]; |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
578 |
if (cpci >= 0) { |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
579 |
#ifdef ASSERT |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
580 |
// invokedynamic and invokehandle have more entries; check if they |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
581 |
// all point to the same constant pool cache entry. |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
582 |
for (int entry = 1; entry < ConstantPoolCacheEntry::_indy_resolved_references_entries; entry++) { |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
583 |
const int cpci_next = invokedynamic_references_map[ref + entry]; |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
584 |
assert(cpci == cpci_next, err_msg_res("%d == %d", cpci, cpci_next)); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
585 |
} |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
586 |
#endif |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
587 |
entry_at(cpci)->initialize_resolved_reference_index(ref); |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
588 |
ref += ConstantPoolCacheEntry::_indy_resolved_references_entries - 1; // skip extra entries |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13740
diff
changeset
|
589 |
} |
4429
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3261
diff
changeset
|
590 |
} |
1 | 591 |
} |
592 |
||
15591
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
593 |
#if INCLUDE_JVMTI |
1 | 594 |
// RedefineClasses() API support: |
15591
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
595 |
// If any entry of this ConstantPoolCache points to any of |
1 | 596 |
// old_methods, replace it with the corresponding new_method. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
597 |
void ConstantPoolCache::adjust_method_entries(Method** old_methods, Method** new_methods, |
1 | 598 |
int methods_length, bool * trace_name_printed) { |
599 |
||
600 |
if (methods_length == 0) { |
|
601 |
// nothing to do if there are no methods |
|
602 |
return; |
|
603 |
} |
|
604 |
||
605 |
// get shorthand for the interesting class |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
606 |
Klass* old_holder = old_methods[0]->method_holder(); |
1 | 607 |
|
608 |
for (int i = 0; i < length(); i++) { |
|
609 |
if (!entry_at(i)->is_interesting_method_entry(old_holder)) { |
|
610 |
// skip uninteresting methods |
|
611 |
continue; |
|
612 |
} |
|
613 |
||
15591
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
614 |
// The ConstantPoolCache contains entries for several different |
1 | 615 |
// things, but we only care about methods. In fact, we only care |
616 |
// about methods in the same class as the one that contains the |
|
617 |
// old_methods. At this point, we have an interesting entry. |
|
618 |
||
619 |
for (int j = 0; j < methods_length; j++) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
620 |
Method* old_method = old_methods[j]; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
621 |
Method* new_method = new_methods[j]; |
1 | 622 |
|
623 |
if (entry_at(i)->adjust_method_entry(old_method, new_method, |
|
624 |
trace_name_printed)) { |
|
625 |
// current old_method matched this entry and we updated it so |
|
626 |
// break out and get to the next interesting entry if there one |
|
627 |
break; |
|
628 |
} |
|
629 |
} |
|
630 |
} |
|
631 |
} |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
632 |
|
15591
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
633 |
// the constant pool cache should never contain old or obsolete methods |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
634 |
bool ConstantPoolCache::check_no_old_or_obsolete_entries() { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
635 |
for (int i = 1; i < length(); i++) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
636 |
if (entry_at(i)->is_interesting_method_entry(NULL) && |
15591
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
637 |
!entry_at(i)->check_no_old_or_obsolete_entries()) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
638 |
return false; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
639 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
640 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
641 |
return true; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
642 |
} |
15591
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
643 |
|
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
644 |
void ConstantPoolCache::dump_cache() { |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
645 |
for (int i = 1; i < length(); i++) { |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
646 |
if (entry_at(i)->is_interesting_method_entry(NULL)) { |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
647 |
entry_at(i)->print(tty, i); |
b8aa0577f137
7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents:
14490
diff
changeset
|
648 |
} |
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} |
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} |
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651 |
#endif // INCLUDE_JVMTI |
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|
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|
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// Printing |
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|
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void ConstantPoolCache::print_on(outputStream* st) const { |
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assert(is_constantPoolCache(), "obj must be constant pool cache"); |
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st->print_cr(internal_name()); |
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659 |
// print constant pool cache entries |
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660 |
for (int i = 0; i < length(); i++) entry_at(i)->print(st, i); |
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661 |
} |
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662 |
|
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663 |
void ConstantPoolCache::print_value_on(outputStream* st) const { |
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assert(is_constantPoolCache(), "obj must be constant pool cache"); |
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st->print("cache [%d]", length()); |
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666 |
print_address_on(st); |
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667 |
st->print(" for "); |
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|
668 |
constant_pool()->print_value_on(st); |
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669 |
} |
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670 |
|
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671 |
|
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672 |
// Verification |
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|
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674 |
void ConstantPoolCache::verify_on(outputStream* st) { |
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675 |
guarantee(is_constantPoolCache(), "obj must be constant pool cache"); |
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// print constant pool cache entries |
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for (int i = 0; i < length(); i++) entry_at(i)->verify(st); |
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} |