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

annotate src/share/vm/oops/cpCache.cpp @ 12946:b8860472c377

8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread Summary: Revert changes in JDK-8008962 Reviewed-by: coleenp, sspitsyn

author	iklam
date	Tue, 22 Oct 2013 14:29:02 -0700
parents	190899198332
children	41cb10cbfb3c

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	2 * Copyright (c) 1998, 2013, 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;
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	47 _f1 = NULL;
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	48 _f2 = _flags = 0;
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	49 assert(constant_pool_index() == index, "");
0 a61af66fc99e Initial load duke parents: diff changeset	50 }
a61af66fc99e Initial load duke parents: diff changeset	51
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	52 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	53 int option_bits,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	54 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	55 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	56 int f = ((int)state << tos_state_shift) \| option_bits \| field_index_or_method_params;
0 a61af66fc99e Initial load duke parents: diff changeset	57 // 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	58 // The low bits are a field offset, or else the method parameter size.
0 a61af66fc99e Initial load duke parents: diff changeset	59 #ifdef ASSERT
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	60 TosState old_state = flag_state();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	61 assert(old_state == (TosState)0 \|\| old_state == state,
0 a61af66fc99e Initial load duke parents: diff changeset	62 "inconsistent cpCache flags state");
a61af66fc99e Initial load duke parents: diff changeset	63 #endif
a61af66fc99e Initial load duke parents: diff changeset	64 return (_flags \| f) ;
a61af66fc99e Initial load duke parents: diff changeset	65 }
a61af66fc99e Initial load duke parents: diff changeset	66
a61af66fc99e Initial load duke parents: diff changeset	67 void ConstantPoolCacheEntry::set_bytecode_1(Bytecodes::Code code) {
a61af66fc99e Initial load duke parents: diff changeset	68 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	69 // Read once.
a61af66fc99e Initial load duke parents: diff changeset	70 volatile Bytecodes::Code c = bytecode_1();
a61af66fc99e Initial load duke parents: diff changeset	71 assert(c == 0 \|\| c == code \|\| code == 0, "update must be consistent");
a61af66fc99e Initial load duke parents: diff changeset	72 #endif
a61af66fc99e Initial load duke parents: diff changeset	73 // 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	74 OrderAccess::release_store_ptr(&_indices, _indices \| ((u_char)code << bytecode_1_shift));
0 a61af66fc99e Initial load duke parents: diff changeset	75 }
a61af66fc99e Initial load duke parents: diff changeset	76
a61af66fc99e Initial load duke parents: diff changeset	77 void ConstantPoolCacheEntry::set_bytecode_2(Bytecodes::Code code) {
a61af66fc99e Initial load duke parents: diff changeset	78 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	79 // Read once.
a61af66fc99e Initial load duke parents: diff changeset	80 volatile Bytecodes::Code c = bytecode_2();
a61af66fc99e Initial load duke parents: diff changeset	81 assert(c == 0 \|\| c == code \|\| code == 0, "update must be consistent");
a61af66fc99e Initial load duke parents: diff changeset	82 #endif
a61af66fc99e Initial load duke parents: diff changeset	83 // 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	84 OrderAccess::release_store_ptr(&_indices, _indices \| ((u_char)code << bytecode_2_shift));
0 a61af66fc99e Initial load duke parents: diff changeset	85 }
a61af66fc99e Initial load duke parents: diff changeset	86
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	87 // Sets f1, ordering with previous writes.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	88 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	89 assert(f1 != NULL, "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	90 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	91 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	92
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	93 // 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	94 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	95 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	96 return (result == 0);
2246 fbf3184da15d 7012339: JSR 292 crash in G1SATBCardTableModRefBS::write_ref_field_pre_work() twisti parents: 1972 diff changeset	97 }
1903 87d6a4d1ecbc 6990192: VM crashes in ciTypeFlow::get_block_for() twisti parents: 1662 diff changeset	98
0 a61af66fc99e Initial load duke parents: diff changeset	99 // Note that concurrent update of both bytecodes can leave one of them
a61af66fc99e Initial load duke parents: diff changeset	100 // reset to zero. This is harmless; the interpreter will simply re-resolve
a61af66fc99e Initial load duke parents: diff changeset	101 // the damaged entry. More seriously, the memory synchronization is needed
a61af66fc99e Initial load duke parents: diff changeset	102 // to flush other fields (f1, f2) completely to memory before the bytecodes
a61af66fc99e Initial load duke parents: diff changeset	103 // are updated, lest other processors see a non-zero bytecode but zero f1/f2.
a61af66fc99e Initial load duke parents: diff changeset	104 void ConstantPoolCacheEntry::set_field(Bytecodes::Code get_code,
a61af66fc99e Initial load duke parents: diff changeset	105 Bytecodes::Code put_code,
a61af66fc99e Initial load duke parents: diff changeset	106 KlassHandle field_holder,
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3785 diff changeset	107 int field_index,
0 a61af66fc99e Initial load duke parents: diff changeset	108 int field_offset,
a61af66fc99e Initial load duke parents: diff changeset	109 TosState field_type,
a61af66fc99e Initial load duke parents: diff changeset	110 bool is_final,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	111 bool is_volatile,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	112 Klass* root_klass) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	113 set_f1(field_holder());
0 a61af66fc99e Initial load duke parents: diff changeset	114 set_f2(field_offset);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	115 assert((field_index & field_index_mask) == field_index,
0 a61af66fc99e Initial load duke parents: diff changeset	116 "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	117 set_field_flags(field_type,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	118 ((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	119 ((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	120 field_index);
0 a61af66fc99e Initial load duke parents: diff changeset	121 set_bytecode_1(get_code);
a61af66fc99e Initial load duke parents: diff changeset	122 set_bytecode_2(put_code);
a61af66fc99e Initial load duke parents: diff changeset	123 NOT_PRODUCT(verify(tty));
a61af66fc99e Initial load duke parents: diff changeset	124 }
a61af66fc99e Initial load duke parents: diff changeset	125
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	126 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	127 // 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	128 // 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	129 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	130 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	131 // 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	132 // 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	133 // 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	134 // 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	135 // 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	136 if (_flags == 0) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	137 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	138 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	139 guarantee(parameter_size() == value,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	140 err_msg("size must not change: parameter_size=%d, value=%d", parameter_size(), value));
0 a61af66fc99e Initial load duke parents: diff changeset	141 }
a61af66fc99e Initial load duke parents: diff changeset	142
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	143 void ConstantPoolCacheEntry::set_direct_or_vtable_call(Bytecodes::Code invoke_code,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	144 methodHandle method,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	145 int vtable_index) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	146 bool is_vtable_call = (vtable_index >= 0); // FIXME: split this method on this boolean
0 a61af66fc99e Initial load duke parents: diff changeset	147 assert(method->interpreter_entry() != NULL, "should have been set at this point");
a61af66fc99e Initial load duke parents: diff changeset	148 assert(!method->is_obsolete(), "attempt to write obsolete method to cpCache");
a61af66fc99e Initial load duke parents: diff changeset	149
a61af66fc99e Initial load duke parents: diff changeset	150 int byte_no = -1;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	151 bool change_to_virtual = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	152
0 a61af66fc99e Initial load duke parents: diff changeset	153 switch (invoke_code) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	154 case Bytecodes::_invokeinterface:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	155 // 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	156 // 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	157 // 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	158 // 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	159 change_to_virtual = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	160
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	161 // ...and fall through as if we were handling invokevirtual:
0 a61af66fc99e Initial load duke parents: diff changeset	162 case Bytecodes::_invokevirtual:
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	163 {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	164 if (!is_vtable_call) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	165 assert(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	166 // 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	167 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	168 ( 1 << is_vfinal_shift) \|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	169 ((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	170 ((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	171 method()->size_of_parameters());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	172 set_f2_as_vfinal_method(method());
0 a61af66fc99e Initial load duke parents: diff changeset	173 } else {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	174 assert(!method->can_be_statically_bound(), "");
0 a61af66fc99e Initial load duke parents: diff changeset	175 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	176 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	177 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	178 ((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	179 method()->size_of_parameters());
0 a61af66fc99e Initial load duke parents: diff changeset	180 set_f2(vtable_index);
a61af66fc99e Initial load duke parents: diff changeset	181 }
a61af66fc99e Initial load duke parents: diff changeset	182 byte_no = 2;
a61af66fc99e Initial load duke parents: diff changeset	183 break;
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	184 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	185
0 a61af66fc99e Initial load duke parents: diff changeset	186 case Bytecodes::_invokespecial:
a61af66fc99e Initial load duke parents: diff changeset	187 case Bytecodes::_invokestatic:
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	188 assert(!is_vtable_call, "");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	189 // 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	190 // 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	191 // 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	192 // 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	193 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	194 ((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	195 ((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	196 method()->size_of_parameters());
0 a61af66fc99e Initial load duke parents: diff changeset	197 set_f1(method());
a61af66fc99e Initial load duke parents: diff changeset	198 byte_no = 1;
a61af66fc99e Initial load duke parents: diff changeset	199 break;
a61af66fc99e Initial load duke parents: diff changeset	200 default:
a61af66fc99e Initial load duke parents: diff changeset	201 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	202 break;
a61af66fc99e Initial load duke parents: diff changeset	203 }
a61af66fc99e Initial load duke parents: diff changeset	204
a61af66fc99e Initial load duke parents: diff changeset	205 // Note: byte_no also appears in TemplateTable::resolve.
a61af66fc99e Initial load duke parents: diff changeset	206 if (byte_no == 1) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	207 assert(invoke_code != Bytecodes::_invokevirtual &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	208 invoke_code != Bytecodes::_invokeinterface, "");
0 a61af66fc99e Initial load duke parents: diff changeset	209 set_bytecode_1(invoke_code);
a61af66fc99e Initial load duke parents: diff changeset	210 } else if (byte_no == 2) {
a61af66fc99e Initial load duke parents: diff changeset	211 if (change_to_virtual) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	212 assert(invoke_code == Bytecodes::_invokeinterface, "");
0 a61af66fc99e Initial load duke parents: diff changeset	213 // NOTE: THIS IS A HACK - BE VERY CAREFUL!!!
a61af66fc99e Initial load duke parents: diff changeset	214 //
a61af66fc99e Initial load duke parents: diff changeset	215 // Workaround for the case where we encounter an invokeinterface, but we
a61af66fc99e Initial load duke parents: diff changeset	216 // should really have an _invokevirtual since the resolved method is a
a61af66fc99e Initial load duke parents: diff changeset	217 // virtual method in java.lang.Object. This is a corner case in the spec
a61af66fc99e Initial load duke parents: diff changeset	218 // but is presumably legal. javac does not generate this code.
a61af66fc99e Initial load duke parents: diff changeset	219 //
a61af66fc99e Initial load duke parents: diff changeset	220 // We set bytecode_1() to _invokeinterface, because that is the
a61af66fc99e Initial load duke parents: diff changeset	221 // bytecode # used by the interpreter to see if it is resolved.
a61af66fc99e Initial load duke parents: diff changeset	222 // We set bytecode_2() to _invokevirtual.
a61af66fc99e Initial load duke parents: diff changeset	223 // See also interpreterRuntime.cpp. (8/25/2000)
a61af66fc99e Initial load duke parents: diff changeset	224 // Only set resolved for the invokeinterface case if method is public.
a61af66fc99e Initial load duke parents: diff changeset	225 // Otherwise, the method needs to be reresolved with caller for each
a61af66fc99e Initial load duke parents: diff changeset	226 // interface call.
a61af66fc99e Initial load duke parents: diff changeset	227 if (method->is_public()) set_bytecode_1(invoke_code);
a61af66fc99e Initial load duke parents: diff changeset	228 } else {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	229 assert(invoke_code == Bytecodes::_invokevirtual, "");
0 a61af66fc99e Initial load duke parents: diff changeset	230 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	231 // 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	232 set_bytecode_2(Bytecodes::_invokevirtual);
0 a61af66fc99e Initial load duke parents: diff changeset	233 } else {
a61af66fc99e Initial load duke parents: diff changeset	234 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	235 }
a61af66fc99e Initial load duke parents: diff changeset	236 NOT_PRODUCT(verify(tty));
a61af66fc99e Initial load duke parents: diff changeset	237 }
a61af66fc99e Initial load duke parents: diff changeset	238
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	239 void ConstantPoolCacheEntry::set_direct_call(Bytecodes::Code invoke_code, methodHandle method) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	240 int index = Method::nonvirtual_vtable_index;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	241 // index < 0; FIXME: inline and customize set_direct_or_vtable_call
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	242 set_direct_or_vtable_call(invoke_code, method, index);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	243 }
0 a61af66fc99e Initial load duke parents: diff changeset	244
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	245 void ConstantPoolCacheEntry::set_vtable_call(Bytecodes::Code invoke_code, methodHandle method, int index) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	246 // either the method is a miranda or its holder should accept the given index
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	247 assert(method->method_holder()->is_interface() \|\| method->method_holder()->verify_vtable_index(index), "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	248 // index >= 0; FIXME: inline and customize set_direct_or_vtable_call
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	249 set_direct_or_vtable_call(invoke_code, method, index);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	250 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	251
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	252 void ConstantPoolCacheEntry::set_itable_call(Bytecodes::Code invoke_code, methodHandle method, int index) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	253 assert(method->method_holder()->verify_itable_index(index), "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	254 assert(invoke_code == Bytecodes::_invokeinterface, "");
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6822 diff changeset	255 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	256 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	257 assert(!method->is_final_method(), "interfaces do not have final methods; cannot link to one here");
0 a61af66fc99e Initial load duke parents: diff changeset	258 set_f1(interf);
a61af66fc99e Initial load duke parents: diff changeset	259 set_f2(index);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	260 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	261 0, // no option bits
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	262 method()->size_of_parameters());
0 a61af66fc99e Initial load duke parents: diff changeset	263 set_bytecode_1(Bytecodes::_invokeinterface);
a61af66fc99e Initial load duke parents: diff changeset	264 }
a61af66fc99e Initial load duke parents: diff changeset	265
a61af66fc99e Initial load duke parents: diff changeset	266
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	267 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	268 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	269 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	270
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	271 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	272 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	273 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	274
6737 4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	275 void ConstantPoolCacheEntry::set_method_handle_common(constantPoolHandle cpool,
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	276 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	277 const CallInfo &call_info) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	278 // 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	279 // 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	280 // 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	281 // 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	282 // Competing writers must acquire exclusive access via a lock.
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	283 // 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	284 // 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	285 // cache entry.
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	286
12946 b8860472c377 8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread iklam parents: 12316 diff changeset	287 MonitorLockerEx ml(cpool->lock());
6737 4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	288 if (!is_f1_null()) {
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	289 return;
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	290 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	291
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	292 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	293 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	294 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	295 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	296 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	297
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	298 // Write the flags.
6737 4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	299 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	300 ((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	301 ((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	302 ( 1 << is_final_shift ),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	303 adapter->size_of_parameters());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	304
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	305 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	306 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	307 invoke_code,
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12264 diff changeset	308 (void *)appendix(), (has_appendix ? "" : " (unused)"),
190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12264 diff changeset	309 (void *)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	310 (intptr_t)adapter());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	311 adapter->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	312 if (has_appendix) appendix()->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	313 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	314
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	315 // 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	316 // 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	317 // 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	318 // 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	319 // 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	320 // 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	321 // (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	322 // 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	323 // 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	324 // 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	325 // 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	326 //
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	327 // 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	328 // 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	329 // not '(Ljava/lang/String;)Ljava/util/List;'.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	330 // 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	331 // 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	332 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	333
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	334 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	335 // Store appendix, if any.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	336 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	337 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	338 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	339 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	340 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	341 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	342
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	343 // 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	344 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	345 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	346 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	347 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	348 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	349 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	350
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	351 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	352
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	353 // 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	354 // 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	355 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	356 NOT_PRODUCT(verify(tty));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	357 if (TraceInvokeDynamic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	358 this->print(tty, 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	359 }
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	360 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	361
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	362 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	363 // 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	364 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	365 if (invoke_code != (Bytecodes::Code)0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	366 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	367 if (f1 != NULL) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	368 switch (invoke_code) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	369 case Bytecodes::_invokeinterface:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	370 assert(f1->is_klass(), "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	371 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	372 case Bytecodes::_invokestatic:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	373 case Bytecodes::_invokespecial:
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	374 assert(!has_appendix(), "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	375 case Bytecodes::_invokehandle:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	376 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	377 assert(f1->is_method(), "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	378 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	379 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	380 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	381 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	382 invoke_code = bytecode_2();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	383 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	384 switch (invoke_code) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	385 case Bytecodes::_invokevirtual:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	386 if (is_vfinal()) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	387 // invokevirtual
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	388 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	389 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	390 return m;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	391 } else {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	392 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	393 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	394 Klass* klass = cpool->resolved_klass_at(holder_index);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	395 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	396 klass = SystemDictionary::Object_klass();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	397 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	398 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	399 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	400 break;
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	401 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	402 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	403 return NULL;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	404 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	405
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	406
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	407 oop ConstantPoolCacheEntry::appendix_if_resolved(constantPoolHandle cpool) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	408 if (is_f1_null() \|\| !has_appendix())
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	409 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	410 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	411 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	412 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	413 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	414
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	415
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	416 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	417 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	418 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	419 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	420 objArrayOop resolved_references = cpool->resolved_references();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	421 return resolved_references->obj_at(ref_index);
0 a61af66fc99e Initial load duke parents: diff changeset	422 }
a61af66fc99e Initial load duke parents: diff changeset	423
a61af66fc99e Initial load duke parents: diff changeset	424
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	425 #if INCLUDE_JVMTI
0 a61af66fc99e Initial load duke parents: diff changeset	426 // RedefineClasses() API support:
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	427 // If this ConstantPoolCacheEntry refers to old_method then update it
0 a61af66fc99e Initial load duke parents: diff changeset	428 // to refer to new_method.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	429 bool ConstantPoolCacheEntry::adjust_method_entry(Method* old_method,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	430 Method* new_method, bool * trace_name_printed) {
0 a61af66fc99e Initial load duke parents: diff changeset	431
a61af66fc99e Initial load duke parents: diff changeset	432 if (is_vfinal()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	433 // 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	434 if (f2_as_vfinal_method() == old_method) {
0 a61af66fc99e Initial load duke parents: diff changeset	435 // 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	436 // NOTE: can't use set_f2_as_vfinal_method as it asserts on different values
0 a61af66fc99e Initial load duke parents: diff changeset	437 _f2 = (intptr_t)new_method;
a61af66fc99e Initial load duke parents: diff changeset	438 if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
a61af66fc99e Initial load duke parents: diff changeset	439 if (!(*trace_name_printed)) {
a61af66fc99e Initial load duke parents: diff changeset	440 // RC_TRACE_MESG macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	441 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	442 old_method->method_holder()->external_name()));
0 a61af66fc99e Initial load duke parents: diff changeset	443 *trace_name_printed = true;
a61af66fc99e Initial load duke parents: diff changeset	444 }
a61af66fc99e Initial load duke parents: diff changeset	445 // RC_TRACE macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	446 RC_TRACE(0x00400000, ("cpc vf-entry update: %s(%s)",
a61af66fc99e Initial load duke parents: diff changeset	447 new_method->name()->as_C_string(),
a61af66fc99e Initial load duke parents: diff changeset	448 new_method->signature()->as_C_string()));
a61af66fc99e Initial load duke parents: diff changeset	449 }
a61af66fc99e Initial load duke parents: diff changeset	450
a61af66fc99e Initial load duke parents: diff changeset	451 return true;
a61af66fc99e Initial load duke parents: diff changeset	452 }
a61af66fc99e Initial load duke parents: diff changeset	453
a61af66fc99e Initial load duke parents: diff changeset	454 // f1() is not used with virtual entries so bail out
a61af66fc99e Initial load duke parents: diff changeset	455 return false;
a61af66fc99e Initial load duke parents: diff changeset	456 }
a61af66fc99e Initial load duke parents: diff changeset	457
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	458 if (_f1 == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	459 // NULL f1() means this is a virtual entry so bail out
a61af66fc99e Initial load duke parents: diff changeset	460 // We are assuming that the vtable index does not need change.
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 if (_f1 == old_method) {
0 a61af66fc99e Initial load duke parents: diff changeset	465 _f1 = new_method;
a61af66fc99e Initial load duke parents: diff changeset	466 if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
a61af66fc99e Initial load duke parents: diff changeset	467 if (!(*trace_name_printed)) {
a61af66fc99e Initial load duke parents: diff changeset	468 // RC_TRACE_MESG macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	469 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	470 old_method->method_holder()->external_name()));
0 a61af66fc99e Initial load duke parents: diff changeset	471 *trace_name_printed = true;
a61af66fc99e Initial load duke parents: diff changeset	472 }
a61af66fc99e Initial load duke parents: diff changeset	473 // RC_TRACE macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	474 RC_TRACE(0x00400000, ("cpc entry update: %s(%s)",
a61af66fc99e Initial load duke parents: diff changeset	475 new_method->name()->as_C_string(),
a61af66fc99e Initial load duke parents: diff changeset	476 new_method->signature()->as_C_string()));
a61af66fc99e Initial load duke parents: diff changeset	477 }
a61af66fc99e Initial load duke parents: diff changeset	478
a61af66fc99e Initial load duke parents: diff changeset	479 return true;
a61af66fc99e Initial load duke parents: diff changeset	480 }
a61af66fc99e Initial load duke parents: diff changeset	481
a61af66fc99e Initial load duke parents: diff changeset	482 return false;
a61af66fc99e Initial load duke parents: diff changeset	483 }
a61af66fc99e Initial load duke parents: diff changeset	484
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	485 // a constant pool cache entry should never contain old or obsolete methods
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	486 bool ConstantPoolCacheEntry::check_no_old_or_obsolete_entries() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	487 if (is_vfinal()) {
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	488 // virtual and final so _f2 contains method ptr instead of vtable index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	489 Metadata* f2 = (Metadata*)_f2;
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	490 // Return false if _f2 refers to an old or an obsolete method.
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	491 // _f2 == NULL \|\| !_f2->is_method() are just as unexpected here.
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	492 return (f2 != NULL NOT_PRODUCT(&& f2->is_valid()) && f2->is_method() &&
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	493 !((Method)f2)->is_old() && !((Method)f2)->is_obsolete());
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	494 } else if (_f1 == NULL \|\|
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	495 (NOT_PRODUCT(_f1->is_valid() &&) !_f1->is_method())) {
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	496 // _f1 == NULL \|\| !_f1->is_method() are OK here
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	497 return true;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	498 }
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	499 // return false if _f1 refers to an old or an obsolete method
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	500 return (NOT_PRODUCT(_f1->is_valid() &&) _f1->is_method() &&
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	501 !((Method)_f1)->is_old() && !((Method)_f1)->is_obsolete());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	502 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	503
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	504 bool ConstantPoolCacheEntry::is_interesting_method_entry(Klass* k) {
0 a61af66fc99e Initial load duke parents: diff changeset	505 if (!is_method_entry()) {
a61af66fc99e Initial load duke parents: diff changeset	506 // not a method entry so not interesting by default
a61af66fc99e Initial load duke parents: diff changeset	507 return false;
a61af66fc99e Initial load duke parents: diff changeset	508 }
a61af66fc99e Initial load duke parents: diff changeset	509
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	510 Method* m = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	511 if (is_vfinal()) {
a61af66fc99e Initial load duke parents: diff changeset	512 // 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	513 m = f2_as_vfinal_method();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	514 } else if (is_f1_null()) {
0 a61af66fc99e Initial load duke parents: diff changeset	515 // NULL _f1 means this is a virtual entry so also not interesting
a61af66fc99e Initial load duke parents: diff changeset	516 return false;
a61af66fc99e Initial load duke parents: diff changeset	517 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	518 if (!(_f1->is_method())) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	519 // _f1 can also contain a Klass* for an interface
0 a61af66fc99e Initial load duke parents: diff changeset	520 return false;
a61af66fc99e Initial load duke parents: diff changeset	521 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	522 m = f1_as_method();
0 a61af66fc99e Initial load duke parents: diff changeset	523 }
a61af66fc99e Initial load duke parents: diff changeset	524
a61af66fc99e Initial load duke parents: diff changeset	525 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	526 if (m == NULL \|\| !m->is_method() \|\| (k != NULL && m->method_holder() != k)) {
0 a61af66fc99e Initial load duke parents: diff changeset	527 // robustness for above sanity checks or method is not in
a61af66fc99e Initial load duke parents: diff changeset	528 // the interesting class
a61af66fc99e Initial load duke parents: diff changeset	529 return false;
a61af66fc99e Initial load duke parents: diff changeset	530 }
a61af66fc99e Initial load duke parents: diff changeset	531
a61af66fc99e Initial load duke parents: diff changeset	532 // the method is in the interesting class so the entry is interesting
a61af66fc99e Initial load duke parents: diff changeset	533 return true;
a61af66fc99e Initial load duke parents: diff changeset	534 }
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	535 #endif // INCLUDE_JVMTI
0 a61af66fc99e Initial load duke parents: diff changeset	536
a61af66fc99e Initial load duke parents: diff changeset	537 void ConstantPoolCacheEntry::print(outputStream* st, int index) const {
a61af66fc99e Initial load duke parents: diff changeset	538 // print separator
5898 f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	539 if (index == 0) st->print_cr(" -------------");
0 a61af66fc99e Initial load duke parents: diff changeset	540 // print entry
5898 f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	541 st->print("%3d ("PTR_FORMAT") ", index, (intptr_t)this);
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	542 st->print_cr("[%02x\|%02x\|%5d]", bytecode_2(), bytecode_1(),
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	543 constant_pool_index());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	544 st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_f1);
5898 f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	545 st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_f2);
f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	546 st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_flags);
f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	547 st->print_cr(" -------------");
0 a61af66fc99e Initial load duke parents: diff changeset	548 }
a61af66fc99e Initial load duke parents: diff changeset	549
a61af66fc99e Initial load duke parents: diff changeset	550 void ConstantPoolCacheEntry::verify(outputStream* st) const {
a61af66fc99e Initial load duke parents: diff changeset	551 // not implemented yet
a61af66fc99e Initial load duke parents: diff changeset	552 }
a61af66fc99e Initial load duke parents: diff changeset	553
a61af66fc99e Initial load duke parents: diff changeset	554 // Implementation of ConstantPoolCache
a61af66fc99e Initial load duke parents: diff changeset	555
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	556 ConstantPoolCache* ConstantPoolCache::allocate(ClassLoaderData* loader_data,
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	557 int length,
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	558 const intStack& index_map,
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	559 const intStack& invokedynamic_map, TRAPS) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	560 int size = ConstantPoolCache::size(length);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	561
10376 a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10152 diff changeset	562 return new (loader_data, size, false, MetaspaceObj::ConstantPoolCacheType, THREAD)
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10152 diff changeset	563 ConstantPoolCache(length, index_map, invokedynamic_map);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	564 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	565
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	566 void ConstantPoolCache::initialize(const intArray& inverse_index_map,
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	567 const intArray& invokedynamic_references_map) {
0 a61af66fc99e Initial load duke parents: diff changeset	568 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	569 for (int i = 0; i < length(); i++) {
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	570 ConstantPoolCacheEntry* e = entry_at(i);
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	571 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	572 e->initialize_entry(original_index);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	573 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	574 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	575 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	576 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	577 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	578 #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	579 // 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	580 // 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	581 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	582 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	583 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	584 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	585 #endif
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	586 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	587 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	588 }
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	589 }
0 a61af66fc99e Initial load duke parents: diff changeset	590 }
a61af66fc99e Initial load duke parents: diff changeset	591
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	592 #if INCLUDE_JVMTI
0 a61af66fc99e Initial load duke parents: diff changeset	593 // RedefineClasses() API support:
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	594 // If any entry of this ConstantPoolCache points to any of
0 a61af66fc99e Initial load duke parents: diff changeset	595 // 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	596 void ConstantPoolCache::adjust_method_entries(Method old_methods, Method new_methods,
0 a61af66fc99e Initial load duke parents: diff changeset	597 int methods_length, bool * trace_name_printed) {
a61af66fc99e Initial load duke parents: diff changeset	598
a61af66fc99e Initial load duke parents: diff changeset	599 if (methods_length == 0) {
a61af66fc99e Initial load duke parents: diff changeset	600 // nothing to do if there are no methods
a61af66fc99e Initial load duke parents: diff changeset	601 return;
a61af66fc99e Initial load duke parents: diff changeset	602 }
a61af66fc99e Initial load duke parents: diff changeset	603
a61af66fc99e Initial load duke parents: diff changeset	604 // get shorthand for the interesting class
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	605 Klass* old_holder = old_methods[0]->method_holder();
0 a61af66fc99e Initial load duke parents: diff changeset	606
a61af66fc99e Initial load duke parents: diff changeset	607 for (int i = 0; i < length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	608 if (!entry_at(i)->is_interesting_method_entry(old_holder)) {
a61af66fc99e Initial load duke parents: diff changeset	609 // skip uninteresting methods
a61af66fc99e Initial load duke parents: diff changeset	610 continue;
a61af66fc99e Initial load duke parents: diff changeset	611 }
a61af66fc99e Initial load duke parents: diff changeset	612
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	613 // The ConstantPoolCache contains entries for several different
0 a61af66fc99e Initial load duke parents: diff changeset	614 // things, but we only care about methods. In fact, we only care
a61af66fc99e Initial load duke parents: diff changeset	615 // about methods in the same class as the one that contains the
a61af66fc99e Initial load duke parents: diff changeset	616 // old_methods. At this point, we have an interesting entry.
a61af66fc99e Initial load duke parents: diff changeset	617
a61af66fc99e Initial load duke parents: diff changeset	618 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	619 Method* old_method = old_methods[j];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	620 Method* new_method = new_methods[j];
0 a61af66fc99e Initial load duke parents: diff changeset	621
a61af66fc99e Initial load duke parents: diff changeset	622 if (entry_at(i)->adjust_method_entry(old_method, new_method,
a61af66fc99e Initial load duke parents: diff changeset	623 trace_name_printed)) {
a61af66fc99e Initial load duke parents: diff changeset	624 // current old_method matched this entry and we updated it so
a61af66fc99e Initial load duke parents: diff changeset	625 // break out and get to the next interesting entry if there one
a61af66fc99e Initial load duke parents: diff changeset	626 break;
a61af66fc99e Initial load duke parents: diff changeset	627 }
a61af66fc99e Initial load duke parents: diff changeset	628 }
a61af66fc99e Initial load duke parents: diff changeset	629 }
a61af66fc99e Initial load duke parents: diff changeset	630 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	631
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	632 // the constant pool cache should never contain old or obsolete methods
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	633 bool ConstantPoolCache::check_no_old_or_obsolete_entries() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	634 for (int i = 1; i < length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	635 if (entry_at(i)->is_interesting_method_entry(NULL) &&
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	636 !entry_at(i)->check_no_old_or_obsolete_entries()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	637 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	638 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	639 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	640 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	641 }
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	642
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	643 void ConstantPoolCache::dump_cache() {
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	644 for (int i = 1; i < length(); i++) {
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	645 if (entry_at(i)->is_interesting_method_entry(NULL)) {
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	646 entry_at(i)->print(tty, i);
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	647 }
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	648 }
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	649 }
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	650 #endif // INCLUDE_JVMTI
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	651
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	652
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	653 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	654
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	655 void ConstantPoolCache::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	656 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	657 st->print_cr(internal_name());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	658 // print constant pool cache entries
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	659 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	660 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	661
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	662 void ConstantPoolCache::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	663 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	664 st->print("cache [%d]", length());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	665 print_address_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	666 st->print(" for ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	667 constant_pool()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	668 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	669
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	670
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	671 // Verification
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	672
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	673 void ConstantPoolCache::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	674 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	675 // print constant pool cache entries
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	676 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	677 }

Mercurial > hg > truffle

annotate src/share/vm/oops/cpCache.cpp @ 12946:b8860472c377