truffle: src/share/vm/oops/cpCache.cpp annotate

annotate src/share/vm/oops/cpCache.cpp @ 8001:db9981fd3124

8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS Summary: Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS. Reviewed-by: coleenp, stefank

author	jprovino
date	Wed, 23 Jan 2013 13:02:39 -0500
parents	80e866b1d053
children	461a3adac4d1

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
5898 f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	26 #include "gc_implementation/shared/markSweep.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	27 #include "interpreter/interpreter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	28 #include "interpreter/rewriter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	29 #include "memory/universe.inline.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	30 #include "oops/cpCache.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	31 #include "oops/objArrayOop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	32 #include "oops/oop.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	33 #include "prims/jvmtiRedefineClassesTrace.hpp"
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	34 #include "prims/methodHandles.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	35 #include "runtime/handles.inline.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6985 diff changeset	36 #include "utilities/macros.hpp"
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6985 diff changeset	37 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	38 # include "gc_implementation/parallelScavenge/psPromotionManager.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6985 diff changeset	39 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	40
a61af66fc99e Initial load duke parents: diff changeset	41
a61af66fc99e Initial load duke parents: diff changeset	42 // Implememtation of ConstantPoolCacheEntry
a61af66fc99e Initial load duke parents: diff changeset	43
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	44 void ConstantPoolCacheEntry::initialize_entry(int index) {
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	45 assert(0 < index && index < 0x10000, "sanity check");
0 a61af66fc99e Initial load duke parents: diff changeset	46 _indices = index;
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	47 assert(constant_pool_index() == index, "");
0 a61af66fc99e Initial load duke parents: diff changeset	48 }
a61af66fc99e Initial load duke parents: diff changeset	49
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	50 int ConstantPoolCacheEntry::make_flags(TosState state,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	51 int option_bits,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	52 int field_index_or_method_params) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	53 assert(state < number_of_states, "Invalid state in make_flags");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	54 int f = ((int)state << tos_state_shift) \| option_bits \| field_index_or_method_params;
0 a61af66fc99e Initial load duke parents: diff changeset	55 // Preserve existing flag bit values
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	56 // The low bits are a field offset, or else the method parameter size.
0 a61af66fc99e Initial load duke parents: diff changeset	57 #ifdef ASSERT
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	58 TosState old_state = flag_state();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	59 assert(old_state == (TosState)0 \|\| old_state == state,
0 a61af66fc99e Initial load duke parents: diff changeset	60 "inconsistent cpCache flags state");
a61af66fc99e Initial load duke parents: diff changeset	61 #endif
a61af66fc99e Initial load duke parents: diff changeset	62 return (_flags \| f) ;
a61af66fc99e Initial load duke parents: diff changeset	63 }
a61af66fc99e Initial load duke parents: diff changeset	64
a61af66fc99e Initial load duke parents: diff changeset	65 void ConstantPoolCacheEntry::set_bytecode_1(Bytecodes::Code code) {
a61af66fc99e Initial load duke parents: diff changeset	66 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	67 // Read once.
a61af66fc99e Initial load duke parents: diff changeset	68 volatile Bytecodes::Code c = bytecode_1();
a61af66fc99e Initial load duke parents: diff changeset	69 assert(c == 0 \|\| c == code \|\| code == 0, "update must be consistent");
a61af66fc99e Initial load duke parents: diff changeset	70 #endif
a61af66fc99e Initial load duke parents: diff changeset	71 // Need to flush pending stores here before bytecode is written.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	72 OrderAccess::release_store_ptr(&_indices, _indices \| ((u_char)code << bytecode_1_shift));
0 a61af66fc99e Initial load duke parents: diff changeset	73 }
a61af66fc99e Initial load duke parents: diff changeset	74
a61af66fc99e Initial load duke parents: diff changeset	75 void ConstantPoolCacheEntry::set_bytecode_2(Bytecodes::Code code) {
a61af66fc99e Initial load duke parents: diff changeset	76 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	77 // Read once.
a61af66fc99e Initial load duke parents: diff changeset	78 volatile Bytecodes::Code c = bytecode_2();
a61af66fc99e Initial load duke parents: diff changeset	79 assert(c == 0 \|\| c == code \|\| code == 0, "update must be consistent");
a61af66fc99e Initial load duke parents: diff changeset	80 #endif
a61af66fc99e Initial load duke parents: diff changeset	81 // Need to flush pending stores here before bytecode is written.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	82 OrderAccess::release_store_ptr(&_indices, _indices \| ((u_char)code << bytecode_2_shift));
0 a61af66fc99e Initial load duke parents: diff changeset	83 }
a61af66fc99e Initial load duke parents: diff changeset	84
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	85 // Sets f1, ordering with previous writes.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	86 void ConstantPoolCacheEntry::release_set_f1(Metadata* f1) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	87 assert(f1 != NULL, "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	88 OrderAccess::release_store_ptr((HeapWord*) &_f1, f1);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	89 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	90
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	91 // Sets flags, but only if the value was previously zero.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	92 bool ConstantPoolCacheEntry::init_flags_atomic(intptr_t flags) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	93 intptr_t result = Atomic::cmpxchg_ptr(flags, &_flags, 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	94 return (result == 0);
2246 fbf3184da15d 7012339: JSR 292 crash in G1SATBCardTableModRefBS::write_ref_field_pre_work() twisti parents: 1972 diff changeset	95 }
1903 87d6a4d1ecbc 6990192: VM crashes in ciTypeFlow::get_block_for() twisti parents: 1662 diff changeset	96
0 a61af66fc99e Initial load duke parents: diff changeset	97 // Note that concurrent update of both bytecodes can leave one of them
a61af66fc99e Initial load duke parents: diff changeset	98 // reset to zero. This is harmless; the interpreter will simply re-resolve
a61af66fc99e Initial load duke parents: diff changeset	99 // the damaged entry. More seriously, the memory synchronization is needed
a61af66fc99e Initial load duke parents: diff changeset	100 // to flush other fields (f1, f2) completely to memory before the bytecodes
a61af66fc99e Initial load duke parents: diff changeset	101 // are updated, lest other processors see a non-zero bytecode but zero f1/f2.
a61af66fc99e Initial load duke parents: diff changeset	102 void ConstantPoolCacheEntry::set_field(Bytecodes::Code get_code,
a61af66fc99e Initial load duke parents: diff changeset	103 Bytecodes::Code put_code,
a61af66fc99e Initial load duke parents: diff changeset	104 KlassHandle field_holder,
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3785 diff changeset	105 int field_index,
0 a61af66fc99e Initial load duke parents: diff changeset	106 int field_offset,
a61af66fc99e Initial load duke parents: diff changeset	107 TosState field_type,
a61af66fc99e Initial load duke parents: diff changeset	108 bool is_final,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	109 bool is_volatile,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	110 Klass* root_klass) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	111 set_f1(field_holder());
0 a61af66fc99e Initial load duke parents: diff changeset	112 set_f2(field_offset);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	113 assert((field_index & field_index_mask) == field_index,
0 a61af66fc99e Initial load duke parents: diff changeset	114 "field index does not fit in low flag bits");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	115 set_field_flags(field_type,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	116 ((is_volatile ? 1 : 0) << is_volatile_shift) \|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	117 ((is_final ? 1 : 0) << is_final_shift),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	118 field_index);
0 a61af66fc99e Initial load duke parents: diff changeset	119 set_bytecode_1(get_code);
a61af66fc99e Initial load duke parents: diff changeset	120 set_bytecode_2(put_code);
a61af66fc99e Initial load duke parents: diff changeset	121 NOT_PRODUCT(verify(tty));
a61af66fc99e Initial load duke parents: diff changeset	122 }
a61af66fc99e Initial load duke parents: diff changeset	123
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	124 void ConstantPoolCacheEntry::set_parameter_size(int value) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	125 // This routine is called only in corner cases where the CPCE is not yet initialized.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	126 // See AbstractInterpreter::deopt_continue_after_entry.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	127 assert(_flags == 0 \|\| parameter_size() == 0 \|\| parameter_size() == value,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	128 err_msg("size must not change: parameter_size=%d, value=%d", parameter_size(), value));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	129 // Setting the parameter size by itself is only safe if the
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	130 // current value of _flags is 0, otherwise another thread may have
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	131 // updated it and we don't want to overwrite that value. Don't
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	132 // bother trying to update it once it's nonzero but always make
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	133 // sure that the final parameter size agrees with what was passed.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	134 if (_flags == 0) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	135 Atomic::cmpxchg_ptr((value & parameter_size_mask), &_flags, 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	136 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	137 guarantee(parameter_size() == value,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	138 err_msg("size must not change: parameter_size=%d, value=%d", parameter_size(), value));
0 a61af66fc99e Initial load duke parents: diff changeset	139 }
a61af66fc99e Initial load duke parents: diff changeset	140
a61af66fc99e Initial load duke parents: diff changeset	141 void ConstantPoolCacheEntry::set_method(Bytecodes::Code invoke_code,
a61af66fc99e Initial load duke parents: diff changeset	142 methodHandle method,
a61af66fc99e Initial load duke parents: diff changeset	143 int vtable_index) {
a61af66fc99e Initial load duke parents: diff changeset	144 assert(method->interpreter_entry() != NULL, "should have been set at this point");
a61af66fc99e Initial load duke parents: diff changeset	145 assert(!method->is_obsolete(), "attempt to write obsolete method to cpCache");
a61af66fc99e Initial load duke parents: diff changeset	146
a61af66fc99e Initial load duke parents: diff changeset	147 int byte_no = -1;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	148 bool change_to_virtual = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	149
0 a61af66fc99e Initial load duke parents: diff changeset	150 switch (invoke_code) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	151 case Bytecodes::_invokeinterface:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	152 // We get here from InterpreterRuntime::resolve_invoke when an invokeinterface
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	153 // instruction somehow links to a non-interface method (in Object).
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	154 // In that case, the method has no itable index and must be invoked as a virtual.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	155 // Set a flag to keep track of this corner case.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	156 change_to_virtual = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	157
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	158 // ...and fall through as if we were handling invokevirtual:
0 a61af66fc99e Initial load duke parents: diff changeset	159 case Bytecodes::_invokevirtual:
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	160 {
0 a61af66fc99e Initial load duke parents: diff changeset	161 if (method->can_be_statically_bound()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	162 // set_f2_as_vfinal_method checks if is_vfinal flag is true.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	163 set_method_flags(as_TosState(method->result_type()),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	164 ( 1 << is_vfinal_shift) \|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	165 ((method->is_final_method() ? 1 : 0) << is_final_shift) \|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	166 ((change_to_virtual ? 1 : 0) << is_forced_virtual_shift),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	167 method()->size_of_parameters());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	168 set_f2_as_vfinal_method(method());
0 a61af66fc99e Initial load duke parents: diff changeset	169 } else {
a61af66fc99e Initial load duke parents: diff changeset	170 assert(vtable_index >= 0, "valid index");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	171 assert(!method->is_final_method(), "sanity");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	172 set_method_flags(as_TosState(method->result_type()),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	173 ((change_to_virtual ? 1 : 0) << is_forced_virtual_shift),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	174 method()->size_of_parameters());
0 a61af66fc99e Initial load duke parents: diff changeset	175 set_f2(vtable_index);
a61af66fc99e Initial load duke parents: diff changeset	176 }
a61af66fc99e Initial load duke parents: diff changeset	177 byte_no = 2;
a61af66fc99e Initial load duke parents: diff changeset	178 break;
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	179 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	180
0 a61af66fc99e Initial load duke parents: diff changeset	181 case Bytecodes::_invokespecial:
a61af66fc99e Initial load duke parents: diff changeset	182 case Bytecodes::_invokestatic:
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	183 // Note: Read and preserve the value of the is_vfinal flag on any
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	184 // invokevirtual bytecode shared with this constant pool cache entry.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	185 // It is cheap and safe to consult is_vfinal() at all times.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	186 // Once is_vfinal is set, it must stay that way, lest we get a dangling oop.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	187 set_method_flags(as_TosState(method->result_type()),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	188 ((is_vfinal() ? 1 : 0) << is_vfinal_shift) \|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	189 ((method->is_final_method() ? 1 : 0) << is_final_shift),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	190 method()->size_of_parameters());
0 a61af66fc99e Initial load duke parents: diff changeset	191 set_f1(method());
a61af66fc99e Initial load duke parents: diff changeset	192 byte_no = 1;
a61af66fc99e Initial load duke parents: diff changeset	193 break;
a61af66fc99e Initial load duke parents: diff changeset	194 default:
a61af66fc99e Initial load duke parents: diff changeset	195 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	196 break;
a61af66fc99e Initial load duke parents: diff changeset	197 }
a61af66fc99e Initial load duke parents: diff changeset	198
a61af66fc99e Initial load duke parents: diff changeset	199 // Note: byte_no also appears in TemplateTable::resolve.
a61af66fc99e Initial load duke parents: diff changeset	200 if (byte_no == 1) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	201 assert(invoke_code != Bytecodes::_invokevirtual &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	202 invoke_code != Bytecodes::_invokeinterface, "");
0 a61af66fc99e Initial load duke parents: diff changeset	203 set_bytecode_1(invoke_code);
a61af66fc99e Initial load duke parents: diff changeset	204 } else if (byte_no == 2) {
a61af66fc99e Initial load duke parents: diff changeset	205 if (change_to_virtual) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	206 assert(invoke_code == Bytecodes::_invokeinterface, "");
0 a61af66fc99e Initial load duke parents: diff changeset	207 // NOTE: THIS IS A HACK - BE VERY CAREFUL!!!
a61af66fc99e Initial load duke parents: diff changeset	208 //
a61af66fc99e Initial load duke parents: diff changeset	209 // Workaround for the case where we encounter an invokeinterface, but we
a61af66fc99e Initial load duke parents: diff changeset	210 // should really have an _invokevirtual since the resolved method is a
a61af66fc99e Initial load duke parents: diff changeset	211 // virtual method in java.lang.Object. This is a corner case in the spec
a61af66fc99e Initial load duke parents: diff changeset	212 // but is presumably legal. javac does not generate this code.
a61af66fc99e Initial load duke parents: diff changeset	213 //
a61af66fc99e Initial load duke parents: diff changeset	214 // We set bytecode_1() to _invokeinterface, because that is the
a61af66fc99e Initial load duke parents: diff changeset	215 // bytecode # used by the interpreter to see if it is resolved.
a61af66fc99e Initial load duke parents: diff changeset	216 // We set bytecode_2() to _invokevirtual.
a61af66fc99e Initial load duke parents: diff changeset	217 // See also interpreterRuntime.cpp. (8/25/2000)
a61af66fc99e Initial load duke parents: diff changeset	218 // Only set resolved for the invokeinterface case if method is public.
a61af66fc99e Initial load duke parents: diff changeset	219 // Otherwise, the method needs to be reresolved with caller for each
a61af66fc99e Initial load duke parents: diff changeset	220 // interface call.
a61af66fc99e Initial load duke parents: diff changeset	221 if (method->is_public()) set_bytecode_1(invoke_code);
a61af66fc99e Initial load duke parents: diff changeset	222 } else {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	223 assert(invoke_code == Bytecodes::_invokevirtual, "");
0 a61af66fc99e Initial load duke parents: diff changeset	224 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	225 // set up for invokevirtual, even if linking for invokeinterface also:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	226 set_bytecode_2(Bytecodes::_invokevirtual);
0 a61af66fc99e Initial load duke parents: diff changeset	227 } else {
a61af66fc99e Initial load duke parents: diff changeset	228 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	229 }
a61af66fc99e Initial load duke parents: diff changeset	230 NOT_PRODUCT(verify(tty));
a61af66fc99e Initial load duke parents: diff changeset	231 }
a61af66fc99e Initial load duke parents: diff changeset	232
a61af66fc99e Initial load duke parents: diff changeset	233
a61af66fc99e Initial load duke parents: diff changeset	234 void ConstantPoolCacheEntry::set_interface_call(methodHandle method, int index) {
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6822 diff changeset	235 InstanceKlass* interf = method->method_holder();
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6822 diff changeset	236 assert(interf->is_interface(), "must be an interface");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	237 assert(!method->is_final_method(), "interfaces do not have final methods; cannot link to one here");
0 a61af66fc99e Initial load duke parents: diff changeset	238 set_f1(interf);
a61af66fc99e Initial load duke parents: diff changeset	239 set_f2(index);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	240 set_method_flags(as_TosState(method->result_type()),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	241 0, // no option bits
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	242 method()->size_of_parameters());
0 a61af66fc99e Initial load duke parents: diff changeset	243 set_bytecode_1(Bytecodes::_invokeinterface);
a61af66fc99e Initial load duke parents: diff changeset	244 }
a61af66fc99e Initial load duke parents: diff changeset	245
a61af66fc99e Initial load duke parents: diff changeset	246
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	247 void ConstantPoolCacheEntry::set_method_handle(constantPoolHandle cpool, const CallInfo &call_info) {
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	248 set_method_handle_common(cpool, Bytecodes::_invokehandle, call_info);
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	249 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	250
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	251 void ConstantPoolCacheEntry::set_dynamic_call(constantPoolHandle cpool, const CallInfo &call_info) {
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	252 set_method_handle_common(cpool, Bytecodes::_invokedynamic, call_info);
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	253 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	254
6737 4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	255 void ConstantPoolCacheEntry::set_method_handle_common(constantPoolHandle cpool,
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	256 Bytecodes::Code invoke_code,
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	257 const CallInfo &call_info) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	258 // NOTE: This CPCE can be the subject of data races.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	259 // There are three words to update: flags, refs[f2], f1 (in that order).
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	260 // Writers must store all other values before f1.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	261 // Readers must test f1 first for non-null before reading other fields.
6737 4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	262 // Competing writers must acquire exclusive access via a lock.
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	263 // A losing writer waits on the lock until the winner writes f1 and leaves
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	264 // the lock, so that when the losing writer returns, he can use the linked
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	265 // cache entry.
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	266
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	267 MonitorLockerEx ml(cpool->lock());
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	268 if (!is_f1_null()) {
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	269 return;
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	270 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	271
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	272 const methodHandle adapter = call_info.resolved_method();
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	273 const Handle appendix = call_info.resolved_appendix();
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	274 const Handle method_type = call_info.resolved_method_type();
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	275 const bool has_appendix = appendix.not_null();
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	276 const bool has_method_type = method_type.not_null();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	277
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	278 // Write the flags.
6737 4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	279 set_method_flags(as_TosState(adapter->result_type()),
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	280 ((has_appendix ? 1 : 0) << has_appendix_shift ) \|
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	281 ((has_method_type ? 1 : 0) << has_method_type_shift) \|
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	282 ( 1 << is_final_shift ),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	283 adapter->size_of_parameters());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	284
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	285 if (TraceInvokeDynamic) {
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	286 tty->print_cr("set_method_handle bc=%d appendix="PTR_FORMAT"%s method_type="PTR_FORMAT"%s method="PTR_FORMAT" ",
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	287 invoke_code,
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	288 (intptr_t)appendix(), (has_appendix ? "" : " (unused)"),
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	289 (intptr_t)method_type(), (has_method_type ? "" : " (unused)"),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	290 (intptr_t)adapter());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	291 adapter->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	292 if (has_appendix) appendix()->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	293 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	294
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	295 // Method handle invokes and invokedynamic sites use both cp cache words.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	296 // refs[f2], if not null, contains a value passed as a trailing argument to the adapter.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	297 // In the general case, this could be the call site's MethodType,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	298 // for use with java.lang.Invokers.checkExactType, or else a CallSite object.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	299 // f1 contains the adapter method which manages the actual call.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	300 // In the general case, this is a compiled LambdaForm.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	301 // (The Java code is free to optimize these calls by binding other
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	302 // sorts of methods and appendices to call sites.)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	303 // JVM-level linking is via f1, as if for invokespecial, and signatures are erased.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	304 // The appendix argument (if any) is added to the signature, and is counted in the parameter_size bits.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	305 // Even with the appendix, the method will never take more than 255 parameter slots.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	306 //
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	307 // This means that given a call site like (List)mh.invoke("foo"),
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	308 // the f1 method has signature '(Ljl/Object;Ljl/invoke/MethodType;)Ljl/Object;',
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	309 // not '(Ljava/lang/String;)Ljava/util/List;'.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	310 // The fact that String and List are involved is encoded in the MethodType in refs[f2].
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	311 // This allows us to create fewer method oops, while keeping type safety.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	312 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	313
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	314 objArrayHandle resolved_references = cpool->resolved_references();
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	315 // Store appendix, if any.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	316 if (has_appendix) {
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	317 const int appendix_index = f2_as_index() + _indy_resolved_references_appendix_offset;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	318 assert(appendix_index >= 0 && appendix_index < resolved_references->length(), "oob");
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	319 assert(resolved_references->obj_at(appendix_index) == NULL, "init just once");
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	320 resolved_references->obj_at_put(appendix_index, appendix());
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	321 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	322
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	323 // Store MethodType, if any.
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	324 if (has_method_type) {
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	325 const int method_type_index = f2_as_index() + _indy_resolved_references_method_type_offset;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	326 assert(method_type_index >= 0 && method_type_index < resolved_references->length(), "oob");
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	327 assert(resolved_references->obj_at(method_type_index) == NULL, "init just once");
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	328 resolved_references->obj_at_put(method_type_index, method_type());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	329 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	330
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	331 release_set_f1(adapter()); // This must be the last one to set (see NOTE above)!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	332
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	333 // The interpreter assembly code does not check byte_2,
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	334 // but it is used by is_resolved, method_if_resolved, etc.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	335 set_bytecode_1(invoke_code);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	336 NOT_PRODUCT(verify(tty));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	337 if (TraceInvokeDynamic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	338 this->print(tty, 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	339 }
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	340 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	341
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	342 Method* ConstantPoolCacheEntry::method_if_resolved(constantPoolHandle cpool) {
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	343 // Decode the action of set_method and set_interface_call
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	344 Bytecodes::Code invoke_code = bytecode_1();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	345 if (invoke_code != (Bytecodes::Code)0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	346 Metadata* f1 = (Metadata*)_f1;
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	347 if (f1 != NULL) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	348 switch (invoke_code) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	349 case Bytecodes::_invokeinterface:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	350 assert(f1->is_klass(), "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	351 return klassItable::method_for_itable_index((Klass*)f1, f2_as_index());
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	352 case Bytecodes::_invokestatic:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	353 case Bytecodes::_invokespecial:
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	354 assert(!has_appendix(), "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	355 case Bytecodes::_invokehandle:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	356 case Bytecodes::_invokedynamic:
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	357 assert(f1->is_method(), "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	358 return (Method*)f1;
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	359 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	360 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	361 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	362 invoke_code = bytecode_2();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	363 if (invoke_code != (Bytecodes::Code)0) {
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	364 switch (invoke_code) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	365 case Bytecodes::_invokevirtual:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	366 if (is_vfinal()) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	367 // invokevirtual
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	368 Method* m = f2_as_vfinal_method();
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	369 assert(m->is_method(), "");
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	370 return m;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	371 } else {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	372 int holder_index = cpool->uncached_klass_ref_index_at(constant_pool_index());
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	373 if (cpool->tag_at(holder_index).is_klass()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	374 Klass* klass = cpool->resolved_klass_at(holder_index);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	375 if (!klass->oop_is_instance())
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	376 klass = SystemDictionary::Object_klass();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	377 return InstanceKlass::cast(klass)->method_at_vtable(f2_as_index());
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	378 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	379 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	380 break;
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	381 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	382 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	383 return NULL;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	384 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	385
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	386
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	387 oop ConstantPoolCacheEntry::appendix_if_resolved(constantPoolHandle cpool) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	388 if (is_f1_null() \|\| !has_appendix())
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	389 return NULL;
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	390 const int ref_index = f2_as_index() + _indy_resolved_references_appendix_offset;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	391 objArrayOop resolved_references = cpool->resolved_references();
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	392 return resolved_references->obj_at(ref_index);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	393 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	394
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	395
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	396 oop ConstantPoolCacheEntry::method_type_if_resolved(constantPoolHandle cpool) {
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	397 if (is_f1_null() \|\| !has_method_type())
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	398 return NULL;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	399 const int ref_index = f2_as_index() + _indy_resolved_references_method_type_offset;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	400 objArrayOop resolved_references = cpool->resolved_references();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	401 return resolved_references->obj_at(ref_index);
0 a61af66fc99e Initial load duke parents: diff changeset	402 }
a61af66fc99e Initial load duke parents: diff changeset	403
a61af66fc99e Initial load duke parents: diff changeset	404
a61af66fc99e Initial load duke parents: diff changeset	405 // RedefineClasses() API support:
a61af66fc99e Initial load duke parents: diff changeset	406 // If this constantPoolCacheEntry refers to old_method then update it
a61af66fc99e Initial load duke parents: diff changeset	407 // to refer to new_method.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	408 bool ConstantPoolCacheEntry::adjust_method_entry(Method* old_method,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	409 Method* new_method, bool * trace_name_printed) {
0 a61af66fc99e Initial load duke parents: diff changeset	410
a61af66fc99e Initial load duke parents: diff changeset	411 if (is_vfinal()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	412 // virtual and final so _f2 contains method ptr instead of vtable index
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	413 if (f2_as_vfinal_method() == old_method) {
0 a61af66fc99e Initial load duke parents: diff changeset	414 // match old_method so need an update
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	415 // NOTE: can't use set_f2_as_vfinal_method as it asserts on different values
0 a61af66fc99e Initial load duke parents: diff changeset	416 _f2 = (intptr_t)new_method;
a61af66fc99e Initial load duke parents: diff changeset	417 if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
a61af66fc99e Initial load duke parents: diff changeset	418 if (!(*trace_name_printed)) {
a61af66fc99e Initial load duke parents: diff changeset	419 // RC_TRACE_MESG macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	420 RC_TRACE_MESG(("adjust: name=%s",
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6822 diff changeset	421 old_method->method_holder()->external_name()));
0 a61af66fc99e Initial load duke parents: diff changeset	422 *trace_name_printed = true;
a61af66fc99e Initial load duke parents: diff changeset	423 }
a61af66fc99e Initial load duke parents: diff changeset	424 // RC_TRACE macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	425 RC_TRACE(0x00400000, ("cpc vf-entry update: %s(%s)",
a61af66fc99e Initial load duke parents: diff changeset	426 new_method->name()->as_C_string(),
a61af66fc99e Initial load duke parents: diff changeset	427 new_method->signature()->as_C_string()));
a61af66fc99e Initial load duke parents: diff changeset	428 }
a61af66fc99e Initial load duke parents: diff changeset	429
a61af66fc99e Initial load duke parents: diff changeset	430 return true;
a61af66fc99e Initial load duke parents: diff changeset	431 }
a61af66fc99e Initial load duke parents: diff changeset	432
a61af66fc99e Initial load duke parents: diff changeset	433 // f1() is not used with virtual entries so bail out
a61af66fc99e Initial load duke parents: diff changeset	434 return false;
a61af66fc99e Initial load duke parents: diff changeset	435 }
a61af66fc99e Initial load duke parents: diff changeset	436
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	437 if (_f1 == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	438 // NULL f1() means this is a virtual entry so bail out
a61af66fc99e Initial load duke parents: diff changeset	439 // We are assuming that the vtable index does not need change.
a61af66fc99e Initial load duke parents: diff changeset	440 return false;
a61af66fc99e Initial load duke parents: diff changeset	441 }
a61af66fc99e Initial load duke parents: diff changeset	442
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	443 if (_f1 == old_method) {
0 a61af66fc99e Initial load duke parents: diff changeset	444 _f1 = new_method;
a61af66fc99e Initial load duke parents: diff changeset	445 if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
a61af66fc99e Initial load duke parents: diff changeset	446 if (!(*trace_name_printed)) {
a61af66fc99e Initial load duke parents: diff changeset	447 // RC_TRACE_MESG macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	448 RC_TRACE_MESG(("adjust: name=%s",
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6822 diff changeset	449 old_method->method_holder()->external_name()));
0 a61af66fc99e Initial load duke parents: diff changeset	450 *trace_name_printed = true;
a61af66fc99e Initial load duke parents: diff changeset	451 }
a61af66fc99e Initial load duke parents: diff changeset	452 // RC_TRACE macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	453 RC_TRACE(0x00400000, ("cpc entry update: %s(%s)",
a61af66fc99e Initial load duke parents: diff changeset	454 new_method->name()->as_C_string(),
a61af66fc99e Initial load duke parents: diff changeset	455 new_method->signature()->as_C_string()));
a61af66fc99e Initial load duke parents: diff changeset	456 }
a61af66fc99e Initial load duke parents: diff changeset	457
a61af66fc99e Initial load duke parents: diff changeset	458 return true;
a61af66fc99e Initial load duke parents: diff changeset	459 }
a61af66fc99e Initial load duke parents: diff changeset	460
a61af66fc99e Initial load duke parents: diff changeset	461 return false;
a61af66fc99e Initial load duke parents: diff changeset	462 }
a61af66fc99e Initial load duke parents: diff changeset	463
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	464 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	465 bool ConstantPoolCacheEntry::check_no_old_entries() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	466 if (is_vfinal()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	467 Metadata* f2 = (Metadata*)_f2;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	468 return (f2->is_valid() && f2->is_method() && !((Method*)f2)->is_old());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	469 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	470 return (_f1 == NULL \|\| (_f1->is_valid() && _f1->is_method() && !((Method*)_f1)->is_old()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	471 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	472 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	473 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	474
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	475 bool ConstantPoolCacheEntry::is_interesting_method_entry(Klass* k) {
0 a61af66fc99e Initial load duke parents: diff changeset	476 if (!is_method_entry()) {
a61af66fc99e Initial load duke parents: diff changeset	477 // not a method entry so not interesting by default
a61af66fc99e Initial load duke parents: diff changeset	478 return false;
a61af66fc99e Initial load duke parents: diff changeset	479 }
a61af66fc99e Initial load duke parents: diff changeset	480
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	481 Method* m = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	482 if (is_vfinal()) {
a61af66fc99e Initial load duke parents: diff changeset	483 // virtual and final so _f2 contains method ptr instead of vtable index
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	484 m = f2_as_vfinal_method();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	485 } else if (is_f1_null()) {
0 a61af66fc99e Initial load duke parents: diff changeset	486 // NULL _f1 means this is a virtual entry so also not interesting
a61af66fc99e Initial load duke parents: diff changeset	487 return false;
a61af66fc99e Initial load duke parents: diff changeset	488 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	489 if (!(_f1->is_method())) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	490 // _f1 can also contain a Klass* for an interface
0 a61af66fc99e Initial load duke parents: diff changeset	491 return false;
a61af66fc99e Initial load duke parents: diff changeset	492 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	493 m = f1_as_method();
0 a61af66fc99e Initial load duke parents: diff changeset	494 }
a61af66fc99e Initial load duke parents: diff changeset	495
a61af66fc99e Initial load duke parents: diff changeset	496 assert(m != NULL && m->is_method(), "sanity check");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	497 if (m == NULL \|\| !m->is_method() \|\| (k != NULL && m->method_holder() != k)) {
0 a61af66fc99e Initial load duke parents: diff changeset	498 // robustness for above sanity checks or method is not in
a61af66fc99e Initial load duke parents: diff changeset	499 // the interesting class
a61af66fc99e Initial load duke parents: diff changeset	500 return false;
a61af66fc99e Initial load duke parents: diff changeset	501 }
a61af66fc99e Initial load duke parents: diff changeset	502
a61af66fc99e Initial load duke parents: diff changeset	503 // the method is in the interesting class so the entry is interesting
a61af66fc99e Initial load duke parents: diff changeset	504 return true;
a61af66fc99e Initial load duke parents: diff changeset	505 }
a61af66fc99e Initial load duke parents: diff changeset	506
a61af66fc99e Initial load duke parents: diff changeset	507 void ConstantPoolCacheEntry::print(outputStream* st, int index) const {
a61af66fc99e Initial load duke parents: diff changeset	508 // print separator
5898 f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	509 if (index == 0) st->print_cr(" -------------");
0 a61af66fc99e Initial load duke parents: diff changeset	510 // print entry
5898 f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	511 st->print("%3d ("PTR_FORMAT") ", index, (intptr_t)this);
f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	512 st->print_cr("[%02x\|%02x\|%5d]", bytecode_2(), bytecode_1(), constant_pool_index());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	513 st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_f1);
5898 f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	514 st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_f2);
f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	515 st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_flags);
f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	516 st->print_cr(" -------------");
0 a61af66fc99e Initial load duke parents: diff changeset	517 }
a61af66fc99e Initial load duke parents: diff changeset	518
a61af66fc99e Initial load duke parents: diff changeset	519 void ConstantPoolCacheEntry::verify(outputStream* st) const {
a61af66fc99e Initial load duke parents: diff changeset	520 // not implemented yet
a61af66fc99e Initial load duke parents: diff changeset	521 }
a61af66fc99e Initial load duke parents: diff changeset	522
a61af66fc99e Initial load duke parents: diff changeset	523 // Implementation of ConstantPoolCache
a61af66fc99e Initial load duke parents: diff changeset	524
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	525 ConstantPoolCache* ConstantPoolCache::allocate(ClassLoaderData* loader_data, int length, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	526 int size = ConstantPoolCache::size(length);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	527
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	528 return new (loader_data, size, false, THREAD) ConstantPoolCache(length);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	529 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	530
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	531 void ConstantPoolCache::initialize(intArray& inverse_index_map, intArray& invokedynamic_references_map) {
0 a61af66fc99e Initial load duke parents: diff changeset	532 assert(inverse_index_map.length() == length(), "inverse index map must have same length as cache");
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	533 for (int i = 0; i < length(); i++) {
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	534 ConstantPoolCacheEntry* e = entry_at(i);
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	535 int original_index = inverse_index_map[i];
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	536 e->initialize_entry(original_index);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	537 assert(entry_at(i) == e, "sanity");
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	538 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	539 for (int ref = 0; ref < invokedynamic_references_map.length(); ref++) {
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	540 const int cpci = invokedynamic_references_map[ref];
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	541 if (cpci >= 0) {
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	542 #ifdef ASSERT
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	543 // invokedynamic and invokehandle have more entries; check if they
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	544 // all point to the same constant pool cache entry.
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	545 for (int entry = 1; entry < ConstantPoolCacheEntry::_indy_resolved_references_entries; entry++) {
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	546 const int cpci_next = invokedynamic_references_map[ref + entry];
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	547 assert(cpci == cpci_next, err_msg_res("%d == %d", cpci, cpci_next));
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	548 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	549 #endif
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	550 entry_at(cpci)->initialize_resolved_reference_index(ref);
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	551 ref += ConstantPoolCacheEntry::_indy_resolved_references_entries - 1; // skip extra entries
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	552 }
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	553 }
0 a61af66fc99e Initial load duke parents: diff changeset	554 }
a61af66fc99e Initial load duke parents: diff changeset	555
a61af66fc99e Initial load duke parents: diff changeset	556 // RedefineClasses() API support:
a61af66fc99e Initial load duke parents: diff changeset	557 // If any entry of this constantPoolCache points to any of
a61af66fc99e Initial load duke parents: diff changeset	558 // old_methods, replace it with the corresponding new_method.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	559 void ConstantPoolCache::adjust_method_entries(Method old_methods, Method new_methods,
0 a61af66fc99e Initial load duke parents: diff changeset	560 int methods_length, bool * trace_name_printed) {
a61af66fc99e Initial load duke parents: diff changeset	561
a61af66fc99e Initial load duke parents: diff changeset	562 if (methods_length == 0) {
a61af66fc99e Initial load duke parents: diff changeset	563 // nothing to do if there are no methods
a61af66fc99e Initial load duke parents: diff changeset	564 return;
a61af66fc99e Initial load duke parents: diff changeset	565 }
a61af66fc99e Initial load duke parents: diff changeset	566
a61af66fc99e Initial load duke parents: diff changeset	567 // get shorthand for the interesting class
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	568 Klass* old_holder = old_methods[0]->method_holder();
0 a61af66fc99e Initial load duke parents: diff changeset	569
a61af66fc99e Initial load duke parents: diff changeset	570 for (int i = 0; i < length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	571 if (!entry_at(i)->is_interesting_method_entry(old_holder)) {
a61af66fc99e Initial load duke parents: diff changeset	572 // skip uninteresting methods
a61af66fc99e Initial load duke parents: diff changeset	573 continue;
a61af66fc99e Initial load duke parents: diff changeset	574 }
a61af66fc99e Initial load duke parents: diff changeset	575
a61af66fc99e Initial load duke parents: diff changeset	576 // The constantPoolCache contains entries for several different
a61af66fc99e Initial load duke parents: diff changeset	577 // things, but we only care about methods. In fact, we only care
a61af66fc99e Initial load duke parents: diff changeset	578 // about methods in the same class as the one that contains the
a61af66fc99e Initial load duke parents: diff changeset	579 // old_methods. At this point, we have an interesting entry.
a61af66fc99e Initial load duke parents: diff changeset	580
a61af66fc99e Initial load duke parents: diff changeset	581 for (int j = 0; j < methods_length; j++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	582 Method* old_method = old_methods[j];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	583 Method* new_method = new_methods[j];
0 a61af66fc99e Initial load duke parents: diff changeset	584
a61af66fc99e Initial load duke parents: diff changeset	585 if (entry_at(i)->adjust_method_entry(old_method, new_method,
a61af66fc99e Initial load duke parents: diff changeset	586 trace_name_printed)) {
a61af66fc99e Initial load duke parents: diff changeset	587 // current old_method matched this entry and we updated it so
a61af66fc99e Initial load duke parents: diff changeset	588 // break out and get to the next interesting entry if there one
a61af66fc99e Initial load duke parents: diff changeset	589 break;
a61af66fc99e Initial load duke parents: diff changeset	590 }
a61af66fc99e Initial load duke parents: diff changeset	591 }
a61af66fc99e Initial load duke parents: diff changeset	592 }
a61af66fc99e Initial load duke parents: diff changeset	593 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	594
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	595 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	596 bool ConstantPoolCache::check_no_old_entries() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	597 for (int i = 1; i < length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	598 if (entry_at(i)->is_interesting_method_entry(NULL) &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	599 !entry_at(i)->check_no_old_entries()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	600 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	601 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	602 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	603 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	604 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	605 #endif // PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	606
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	607
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	608 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	609
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	610 void ConstantPoolCache::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	611 assert(is_constantPoolCache(), "obj must be constant pool cache");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	612 st->print_cr(internal_name());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	613 // print constant pool cache entries
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	614 for (int i = 0; i < length(); i++) entry_at(i)->print(st, i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	615 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	616
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	617 void ConstantPoolCache::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	618 assert(is_constantPoolCache(), "obj must be constant pool cache");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	619 st->print("cache [%d]", length());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	620 print_address_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	621 st->print(" for ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	622 constant_pool()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	623 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	624
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	625
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	626 // Verification
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	627
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	628 void ConstantPoolCache::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	629 guarantee(is_constantPoolCache(), "obj must be constant pool cache");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	630 // print constant pool cache entries
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	631 for (int i = 0; i < length(); i++) entry_at(i)->verify(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	632 }

Mercurial > hg > truffle

annotate src/share/vm/oops/cpCache.cpp @ 8001:db9981fd3124