truffle: src/share/vm/oops/methodData.hpp annotate

annotate src/share/vm/oops/methodData.hpp @ 17733:1a43981d86ea

8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90 Summary: concurrent update of traps with construction of ciMethodData Reviewed-by: kvn, twisti

author	roland
date	Wed, 05 Mar 2014 09:29:12 +0100
parents	b8413a9cbb84
children	606acabe7b5c

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2 * Copyright (c) 2000, 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: 1251 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1251 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: 1251 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: 1783 diff changeset	25 #ifndef SHARE_VM_OOPS_METHODDATAOOP_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	26 #define SHARE_VM_OOPS_METHODDATAOOP_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	28 #include "interpreter/bytecodes.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	29 #include "memory/universe.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	30 #include "oops/method.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	31 #include "oops/oop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	32 #include "runtime/orderAccess.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	33
0 a61af66fc99e Initial load duke parents: diff changeset	34 class BytecodeStream;
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	35 class KlassSizeStats;
0 a61af66fc99e Initial load duke parents: diff changeset	36
a61af66fc99e Initial load duke parents: diff changeset	37 // The MethodData object collects counts and other profile information
a61af66fc99e Initial load duke parents: diff changeset	38 // during zeroth-tier (interpretive) and first-tier execution.
a61af66fc99e Initial load duke parents: diff changeset	39 // The profile is used later by compilation heuristics. Some heuristics
a61af66fc99e Initial load duke parents: diff changeset	40 // enable use of aggressive (or "heroic") optimizations. An aggressive
a61af66fc99e Initial load duke parents: diff changeset	41 // optimization often has a down-side, a corner case that it handles
a61af66fc99e Initial load duke parents: diff changeset	42 // poorly, but which is thought to be rare. The profile provides
a61af66fc99e Initial load duke parents: diff changeset	43 // evidence of this rarity for a given method or even BCI. It allows
a61af66fc99e Initial load duke parents: diff changeset	44 // the compiler to back out of the optimization at places where it
a61af66fc99e Initial load duke parents: diff changeset	45 // has historically been a poor choice. Other heuristics try to use
a61af66fc99e Initial load duke parents: diff changeset	46 // specific information gathered about types observed at a given site.
a61af66fc99e Initial load duke parents: diff changeset	47 //
a61af66fc99e Initial load duke parents: diff changeset	48 // All data in the profile is approximate. It is expected to be accurate
a61af66fc99e Initial load duke parents: diff changeset	49 // on the whole, but the system expects occasional inaccuraces, due to
a61af66fc99e Initial load duke parents: diff changeset	50 // counter overflow, multiprocessor races during data collection, space
a61af66fc99e Initial load duke parents: diff changeset	51 // limitations, missing MDO blocks, etc. Bad or missing data will degrade
a61af66fc99e Initial load duke parents: diff changeset	52 // optimization quality but will not affect correctness. Also, each MDO
a61af66fc99e Initial load duke parents: diff changeset	53 // is marked with its birth-date ("creation_mileage") which can be used
a61af66fc99e Initial load duke parents: diff changeset	54 // to assess the quality ("maturity") of its data.
a61af66fc99e Initial load duke parents: diff changeset	55 //
a61af66fc99e Initial load duke parents: diff changeset	56 // Short (<32-bit) counters are designed to overflow to a known "saturated"
a61af66fc99e Initial load duke parents: diff changeset	57 // state. Also, certain recorded per-BCI events are given one-bit counters
a61af66fc99e Initial load duke parents: diff changeset	58 // which overflow to a saturated state which applied to all counters at
a61af66fc99e Initial load duke parents: diff changeset	59 // that BCI. In other words, there is a small lattice which approximates
a61af66fc99e Initial load duke parents: diff changeset	60 // the ideal of an infinite-precision counter for each event at each BCI,
a61af66fc99e Initial load duke parents: diff changeset	61 // and the lattice quickly "bottoms out" in a state where all counters
a61af66fc99e Initial load duke parents: diff changeset	62 // are taken to be indefinitely large.
a61af66fc99e Initial load duke parents: diff changeset	63 //
a61af66fc99e Initial load duke parents: diff changeset	64 // The reader will find many data races in profile gathering code, starting
a61af66fc99e Initial load duke parents: diff changeset	65 // with invocation counter incrementation. None of these races harm correct
a61af66fc99e Initial load duke parents: diff changeset	66 // execution of the compiled code.
a61af66fc99e Initial load duke parents: diff changeset	67
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	68 // forward decl
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	69 class ProfileData;
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	70
0 a61af66fc99e Initial load duke parents: diff changeset	71 // DataLayout
a61af66fc99e Initial load duke parents: diff changeset	72 //
a61af66fc99e Initial load duke parents: diff changeset	73 // Overlay for generic profiling data.
a61af66fc99e Initial load duke parents: diff changeset	74 class DataLayout VALUE_OBJ_CLASS_SPEC {
12258 69f26e8e09f9 8024760: add more types, fields and constants to VMStructs twisti parents: 10265 diff changeset	75 friend class VMStructs;
69f26e8e09f9 8024760: add more types, fields and constants to VMStructs twisti parents: 10265 diff changeset	76
0 a61af66fc99e Initial load duke parents: diff changeset	77 private:
a61af66fc99e Initial load duke parents: diff changeset	78 // Every data layout begins with a header. This header
a61af66fc99e Initial load duke parents: diff changeset	79 // contains a tag, which is used to indicate the size/layout
a61af66fc99e Initial load duke parents: diff changeset	80 // of the data, 4 bits of flags, which can be used in any way,
a61af66fc99e Initial load duke parents: diff changeset	81 // 4 bits of trap history (none/one reason/many reasons),
a61af66fc99e Initial load duke parents: diff changeset	82 // and a bci, which is used to tie this piece of data to a
a61af66fc99e Initial load duke parents: diff changeset	83 // specific bci in the bytecodes.
a61af66fc99e Initial load duke parents: diff changeset	84 union {
a61af66fc99e Initial load duke parents: diff changeset	85 intptr_t _bits;
a61af66fc99e Initial load duke parents: diff changeset	86 struct {
a61af66fc99e Initial load duke parents: diff changeset	87 u1 _tag;
a61af66fc99e Initial load duke parents: diff changeset	88 u1 _flags;
a61af66fc99e Initial load duke parents: diff changeset	89 u2 _bci;
a61af66fc99e Initial load duke parents: diff changeset	90 } _struct;
a61af66fc99e Initial load duke parents: diff changeset	91 } _header;
a61af66fc99e Initial load duke parents: diff changeset	92
a61af66fc99e Initial load duke parents: diff changeset	93 // The data layout has an arbitrary number of cells, each sized
a61af66fc99e Initial load duke parents: diff changeset	94 // to accomodate a pointer or an integer.
a61af66fc99e Initial load duke parents: diff changeset	95 intptr_t _cells[1];
a61af66fc99e Initial load duke parents: diff changeset	96
a61af66fc99e Initial load duke parents: diff changeset	97 // Some types of data layouts need a length field.
a61af66fc99e Initial load duke parents: diff changeset	98 static bool needs_array_len(u1 tag);
a61af66fc99e Initial load duke parents: diff changeset	99
a61af66fc99e Initial load duke parents: diff changeset	100 public:
a61af66fc99e Initial load duke parents: diff changeset	101 enum {
a61af66fc99e Initial load duke parents: diff changeset	102 counter_increment = 1
a61af66fc99e Initial load duke parents: diff changeset	103 };
a61af66fc99e Initial load duke parents: diff changeset	104
a61af66fc99e Initial load duke parents: diff changeset	105 enum {
a61af66fc99e Initial load duke parents: diff changeset	106 cell_size = sizeof(intptr_t)
a61af66fc99e Initial load duke parents: diff changeset	107 };
a61af66fc99e Initial load duke parents: diff changeset	108
a61af66fc99e Initial load duke parents: diff changeset	109 // Tag values
a61af66fc99e Initial load duke parents: diff changeset	110 enum {
a61af66fc99e Initial load duke parents: diff changeset	111 no_tag,
a61af66fc99e Initial load duke parents: diff changeset	112 bit_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	113 counter_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	114 jump_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	115 receiver_type_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	116 virtual_call_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	117 ret_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	118 branch_data_tag,
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	119 multi_branch_data_tag,
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	120 arg_info_data_tag,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	121 call_type_data_tag,
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	122 virtual_call_type_data_tag,
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	123 parameters_type_data_tag,
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	124 speculative_trap_data_tag
0 a61af66fc99e Initial load duke parents: diff changeset	125 };
a61af66fc99e Initial load duke parents: diff changeset	126
a61af66fc99e Initial load duke parents: diff changeset	127 enum {
a61af66fc99e Initial load duke parents: diff changeset	128 // The _struct._flags word is formatted as [trap_state:4 \| flags:4].
a61af66fc99e Initial load duke parents: diff changeset	129 // The trap state breaks down further as [recompile:1 \| reason:3].
a61af66fc99e Initial load duke parents: diff changeset	130 // This further breakdown is defined in deoptimization.cpp.
a61af66fc99e Initial load duke parents: diff changeset	131 // See Deoptimization::trap_state_reason for an assert that
a61af66fc99e Initial load duke parents: diff changeset	132 // trap_bits is big enough to hold reasons < Reason_RECORDED_LIMIT.
a61af66fc99e Initial load duke parents: diff changeset	133 //
a61af66fc99e Initial load duke parents: diff changeset	134 // The trap_state is collected only if ProfileTraps is true.
a61af66fc99e Initial load duke parents: diff changeset	135 trap_bits = 1+3, // 3: enough to distinguish [0..Reason_RECORDED_LIMIT].
a61af66fc99e Initial load duke parents: diff changeset	136 trap_shift = BitsPerByte - trap_bits,
a61af66fc99e Initial load duke parents: diff changeset	137 trap_mask = right_n_bits(trap_bits),
a61af66fc99e Initial load duke parents: diff changeset	138 trap_mask_in_place = (trap_mask << trap_shift),
a61af66fc99e Initial load duke parents: diff changeset	139 flag_limit = trap_shift,
a61af66fc99e Initial load duke parents: diff changeset	140 flag_mask = right_n_bits(flag_limit),
a61af66fc99e Initial load duke parents: diff changeset	141 first_flag = 0
a61af66fc99e Initial load duke parents: diff changeset	142 };
a61af66fc99e Initial load duke parents: diff changeset	143
a61af66fc99e Initial load duke parents: diff changeset	144 // Size computation
a61af66fc99e Initial load duke parents: diff changeset	145 static int header_size_in_bytes() {
a61af66fc99e Initial load duke parents: diff changeset	146 return cell_size;
a61af66fc99e Initial load duke parents: diff changeset	147 }
a61af66fc99e Initial load duke parents: diff changeset	148 static int header_size_in_cells() {
a61af66fc99e Initial load duke parents: diff changeset	149 return 1;
a61af66fc99e Initial load duke parents: diff changeset	150 }
a61af66fc99e Initial load duke parents: diff changeset	151
a61af66fc99e Initial load duke parents: diff changeset	152 static int compute_size_in_bytes(int cell_count) {
a61af66fc99e Initial load duke parents: diff changeset	153 return header_size_in_bytes() + cell_count * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	154 }
a61af66fc99e Initial load duke parents: diff changeset	155
a61af66fc99e Initial load duke parents: diff changeset	156 // Initialization
a61af66fc99e Initial load duke parents: diff changeset	157 void initialize(u1 tag, u2 bci, int cell_count);
a61af66fc99e Initial load duke parents: diff changeset	158
a61af66fc99e Initial load duke parents: diff changeset	159 // Accessors
a61af66fc99e Initial load duke parents: diff changeset	160 u1 tag() {
a61af66fc99e Initial load duke parents: diff changeset	161 return _header._struct._tag;
a61af66fc99e Initial load duke parents: diff changeset	162 }
a61af66fc99e Initial load duke parents: diff changeset	163
a61af66fc99e Initial load duke parents: diff changeset	164 // Return a few bits of trap state. Range is [0..trap_mask].
a61af66fc99e Initial load duke parents: diff changeset	165 // The state tells if traps with zero, one, or many reasons have occurred.
a61af66fc99e Initial load duke parents: diff changeset	166 // It also tells whether zero or many recompilations have occurred.
a61af66fc99e Initial load duke parents: diff changeset	167 // The associated trap histogram in the MDO itself tells whether
a61af66fc99e Initial load duke parents: diff changeset	168 // traps are common or not. If a BCI shows that a trap X has
a61af66fc99e Initial load duke parents: diff changeset	169 // occurred, and the MDO shows N occurrences of X, we make the
a61af66fc99e Initial load duke parents: diff changeset	170 // simplifying assumption that all N occurrences can be blamed
a61af66fc99e Initial load duke parents: diff changeset	171 // on that BCI.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	172 int trap_state() const {
0 a61af66fc99e Initial load duke parents: diff changeset	173 return ((_header._struct._flags >> trap_shift) & trap_mask);
a61af66fc99e Initial load duke parents: diff changeset	174 }
a61af66fc99e Initial load duke parents: diff changeset	175
a61af66fc99e Initial load duke parents: diff changeset	176 void set_trap_state(int new_state) {
a61af66fc99e Initial load duke parents: diff changeset	177 assert(ProfileTraps, "used only under +ProfileTraps");
a61af66fc99e Initial load duke parents: diff changeset	178 uint old_flags = (_header._struct._flags & flag_mask);
a61af66fc99e Initial load duke parents: diff changeset	179 _header._struct._flags = (new_state << trap_shift) \| old_flags;
a61af66fc99e Initial load duke parents: diff changeset	180 }
a61af66fc99e Initial load duke parents: diff changeset	181
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	182 u1 flags() const {
0 a61af66fc99e Initial load duke parents: diff changeset	183 return _header._struct._flags;
a61af66fc99e Initial load duke parents: diff changeset	184 }
a61af66fc99e Initial load duke parents: diff changeset	185
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	186 u2 bci() const {
0 a61af66fc99e Initial load duke parents: diff changeset	187 return _header._struct._bci;
a61af66fc99e Initial load duke parents: diff changeset	188 }
a61af66fc99e Initial load duke parents: diff changeset	189
a61af66fc99e Initial load duke parents: diff changeset	190 void set_header(intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	191 _header._bits = value;
a61af66fc99e Initial load duke parents: diff changeset	192 }
a61af66fc99e Initial load duke parents: diff changeset	193 intptr_t header() {
a61af66fc99e Initial load duke parents: diff changeset	194 return _header._bits;
a61af66fc99e Initial load duke parents: diff changeset	195 }
a61af66fc99e Initial load duke parents: diff changeset	196 void set_cell_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	197 _cells[index] = value;
a61af66fc99e Initial load duke parents: diff changeset	198 }
a61af66fc99e Initial load duke parents: diff changeset	199 void release_set_cell_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	200 OrderAccess::release_store_ptr(&_cells[index], value);
a61af66fc99e Initial load duke parents: diff changeset	201 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	202 intptr_t cell_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	203 return _cells[index];
a61af66fc99e Initial load duke parents: diff changeset	204 }
a61af66fc99e Initial load duke parents: diff changeset	205
a61af66fc99e Initial load duke parents: diff changeset	206 void set_flag_at(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	207 assert(flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	208 _header._struct._flags \|= (0x1 << flag_number);
a61af66fc99e Initial load duke parents: diff changeset	209 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	210 bool flag_at(int flag_number) const {
0 a61af66fc99e Initial load duke parents: diff changeset	211 assert(flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	212 return (_header._struct._flags & (0x1 << flag_number)) != 0;
a61af66fc99e Initial load duke parents: diff changeset	213 }
a61af66fc99e Initial load duke parents: diff changeset	214
a61af66fc99e Initial load duke parents: diff changeset	215 // Low-level support for code generation.
a61af66fc99e Initial load duke parents: diff changeset	216 static ByteSize header_offset() {
a61af66fc99e Initial load duke parents: diff changeset	217 return byte_offset_of(DataLayout, _header);
a61af66fc99e Initial load duke parents: diff changeset	218 }
a61af66fc99e Initial load duke parents: diff changeset	219 static ByteSize tag_offset() {
a61af66fc99e Initial load duke parents: diff changeset	220 return byte_offset_of(DataLayout, _header._struct._tag);
a61af66fc99e Initial load duke parents: diff changeset	221 }
a61af66fc99e Initial load duke parents: diff changeset	222 static ByteSize flags_offset() {
a61af66fc99e Initial load duke parents: diff changeset	223 return byte_offset_of(DataLayout, _header._struct._flags);
a61af66fc99e Initial load duke parents: diff changeset	224 }
a61af66fc99e Initial load duke parents: diff changeset	225 static ByteSize bci_offset() {
a61af66fc99e Initial load duke parents: diff changeset	226 return byte_offset_of(DataLayout, _header._struct._bci);
a61af66fc99e Initial load duke parents: diff changeset	227 }
a61af66fc99e Initial load duke parents: diff changeset	228 static ByteSize cell_offset(int index) {
2333 f767174aac14 7021653: Parfait issue in hotspot/src/share/vm/oops/methodDataOops.hpp coleenp parents: 2264 diff changeset	229 return byte_offset_of(DataLayout, _cells) + in_ByteSize(index * cell_size);
0 a61af66fc99e Initial load duke parents: diff changeset	230 }
a61af66fc99e Initial load duke parents: diff changeset	231 // Return a value which, when or-ed as a byte into _flags, sets the flag.
a61af66fc99e Initial load duke parents: diff changeset	232 static int flag_number_to_byte_constant(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	233 assert(0 <= flag_number && flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	234 DataLayout temp; temp.set_header(0);
a61af66fc99e Initial load duke parents: diff changeset	235 temp.set_flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	236 return temp._header._struct._flags;
a61af66fc99e Initial load duke parents: diff changeset	237 }
a61af66fc99e Initial load duke parents: diff changeset	238 // Return a value which, when or-ed as a word into _header, sets the flag.
a61af66fc99e Initial load duke parents: diff changeset	239 static intptr_t flag_mask_to_header_mask(int byte_constant) {
a61af66fc99e Initial load duke parents: diff changeset	240 DataLayout temp; temp.set_header(0);
a61af66fc99e Initial load duke parents: diff changeset	241 temp._header._struct._flags = byte_constant;
a61af66fc99e Initial load duke parents: diff changeset	242 return temp._header._bits;
a61af66fc99e Initial load duke parents: diff changeset	243 }
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	244
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	245 ProfileData* data_in();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	246
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	247 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	248 void clean_weak_klass_links(BoolObjectClosure* cl);
0 a61af66fc99e Initial load duke parents: diff changeset	249 };
a61af66fc99e Initial load duke parents: diff changeset	250
a61af66fc99e Initial load duke parents: diff changeset	251
a61af66fc99e Initial load duke parents: diff changeset	252 // ProfileData class hierarchy
a61af66fc99e Initial load duke parents: diff changeset	253 class ProfileData;
a61af66fc99e Initial load duke parents: diff changeset	254 class BitData;
a61af66fc99e Initial load duke parents: diff changeset	255 class CounterData;
a61af66fc99e Initial load duke parents: diff changeset	256 class ReceiverTypeData;
a61af66fc99e Initial load duke parents: diff changeset	257 class VirtualCallData;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	258 class VirtualCallTypeData;
0 a61af66fc99e Initial load duke parents: diff changeset	259 class RetData;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	260 class CallTypeData;
0 a61af66fc99e Initial load duke parents: diff changeset	261 class JumpData;
a61af66fc99e Initial load duke parents: diff changeset	262 class BranchData;
a61af66fc99e Initial load duke parents: diff changeset	263 class ArrayData;
a61af66fc99e Initial load duke parents: diff changeset	264 class MultiBranchData;
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	265 class ArgInfoData;
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	266 class ParametersTypeData;
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	267 class SpeculativeTrapData;
0 a61af66fc99e Initial load duke parents: diff changeset	268
a61af66fc99e Initial load duke parents: diff changeset	269 // ProfileData
a61af66fc99e Initial load duke parents: diff changeset	270 //
a61af66fc99e Initial load duke parents: diff changeset	271 // A ProfileData object is created to refer to a section of profiling
a61af66fc99e Initial load duke parents: diff changeset	272 // data in a structured way.
a61af66fc99e Initial load duke parents: diff changeset	273 class ProfileData : public ResourceObj {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	274 friend class TypeEntries;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	275 friend class ReturnTypeEntry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	276 friend class TypeStackSlotEntries;
0 a61af66fc99e Initial load duke parents: diff changeset	277 private:
a61af66fc99e Initial load duke parents: diff changeset	278 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	279 enum {
a61af66fc99e Initial load duke parents: diff changeset	280 tab_width_one = 16,
a61af66fc99e Initial load duke parents: diff changeset	281 tab_width_two = 36
a61af66fc99e Initial load duke parents: diff changeset	282 };
a61af66fc99e Initial load duke parents: diff changeset	283 #endif // !PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	284
a61af66fc99e Initial load duke parents: diff changeset	285 // This is a pointer to a section of profiling data.
a61af66fc99e Initial load duke parents: diff changeset	286 DataLayout* _data;
a61af66fc99e Initial load duke parents: diff changeset	287
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	288 char* print_data_on_helper(const MethodData* md) const;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	289
0 a61af66fc99e Initial load duke parents: diff changeset	290 protected:
a61af66fc99e Initial load duke parents: diff changeset	291 DataLayout* data() { return _data; }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	292 const DataLayout* data() const { return _data; }
0 a61af66fc99e Initial load duke parents: diff changeset	293
a61af66fc99e Initial load duke parents: diff changeset	294 enum {
a61af66fc99e Initial load duke parents: diff changeset	295 cell_size = DataLayout::cell_size
a61af66fc99e Initial load duke parents: diff changeset	296 };
a61af66fc99e Initial load duke parents: diff changeset	297
a61af66fc99e Initial load duke parents: diff changeset	298 public:
a61af66fc99e Initial load duke parents: diff changeset	299 // How many cells are in this?
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	300 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	301 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	302 return -1;
a61af66fc99e Initial load duke parents: diff changeset	303 }
a61af66fc99e Initial load duke parents: diff changeset	304
a61af66fc99e Initial load duke parents: diff changeset	305 // Return the size of this data.
a61af66fc99e Initial load duke parents: diff changeset	306 int size_in_bytes() {
a61af66fc99e Initial load duke parents: diff changeset	307 return DataLayout::compute_size_in_bytes(cell_count());
a61af66fc99e Initial load duke parents: diff changeset	308 }
a61af66fc99e Initial load duke parents: diff changeset	309
a61af66fc99e Initial load duke parents: diff changeset	310 protected:
a61af66fc99e Initial load duke parents: diff changeset	311 // Low-level accessors for underlying data
a61af66fc99e Initial load duke parents: diff changeset	312 void set_intptr_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	313 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	314 data()->set_cell_at(index, value);
a61af66fc99e Initial load duke parents: diff changeset	315 }
a61af66fc99e Initial load duke parents: diff changeset	316 void release_set_intptr_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	317 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	318 data()->release_set_cell_at(index, value);
a61af66fc99e Initial load duke parents: diff changeset	319 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	320 intptr_t intptr_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	321 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	322 return data()->cell_at(index);
a61af66fc99e Initial load duke parents: diff changeset	323 }
a61af66fc99e Initial load duke parents: diff changeset	324 void set_uint_at(int index, uint value) {
a61af66fc99e Initial load duke parents: diff changeset	325 set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	326 }
a61af66fc99e Initial load duke parents: diff changeset	327 void release_set_uint_at(int index, uint value) {
a61af66fc99e Initial load duke parents: diff changeset	328 release_set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	329 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	330 uint uint_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	331 return (uint)intptr_at(index);
a61af66fc99e Initial load duke parents: diff changeset	332 }
a61af66fc99e Initial load duke parents: diff changeset	333 void set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	334 set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	335 }
a61af66fc99e Initial load duke parents: diff changeset	336 void release_set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	337 release_set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	338 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	339 int int_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	340 return (int)intptr_at(index);
a61af66fc99e Initial load duke parents: diff changeset	341 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	342 int int_at_unchecked(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	343 return (int)data()->cell_at(index);
a61af66fc99e Initial load duke parents: diff changeset	344 }
a61af66fc99e Initial load duke parents: diff changeset	345 void set_oop_at(int index, oop value) {
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12258 diff changeset	346 set_intptr_at(index, cast_from_oop<intptr_t>(value));
0 a61af66fc99e Initial load duke parents: diff changeset	347 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	348 oop oop_at(int index) const {
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12258 diff changeset	349 return cast_to_oop(intptr_at(index));
0 a61af66fc99e Initial load duke parents: diff changeset	350 }
a61af66fc99e Initial load duke parents: diff changeset	351
a61af66fc99e Initial load duke parents: diff changeset	352 void set_flag_at(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	353 data()->set_flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	354 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	355 bool flag_at(int flag_number) const {
0 a61af66fc99e Initial load duke parents: diff changeset	356 return data()->flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	357 }
a61af66fc99e Initial load duke parents: diff changeset	358
a61af66fc99e Initial load duke parents: diff changeset	359 // two convenient imports for use by subclasses:
a61af66fc99e Initial load duke parents: diff changeset	360 static ByteSize cell_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	361 return DataLayout::cell_offset(index);
a61af66fc99e Initial load duke parents: diff changeset	362 }
a61af66fc99e Initial load duke parents: diff changeset	363 static int flag_number_to_byte_constant(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	364 return DataLayout::flag_number_to_byte_constant(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	365 }
a61af66fc99e Initial load duke parents: diff changeset	366
a61af66fc99e Initial load duke parents: diff changeset	367 ProfileData(DataLayout* data) {
a61af66fc99e Initial load duke parents: diff changeset	368 _data = data;
a61af66fc99e Initial load duke parents: diff changeset	369 }
a61af66fc99e Initial load duke parents: diff changeset	370
a61af66fc99e Initial load duke parents: diff changeset	371 public:
a61af66fc99e Initial load duke parents: diff changeset	372 // Constructor for invalid ProfileData.
a61af66fc99e Initial load duke parents: diff changeset	373 ProfileData();
a61af66fc99e Initial load duke parents: diff changeset	374
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	375 u2 bci() const {
0 a61af66fc99e Initial load duke parents: diff changeset	376 return data()->bci();
a61af66fc99e Initial load duke parents: diff changeset	377 }
a61af66fc99e Initial load duke parents: diff changeset	378
a61af66fc99e Initial load duke parents: diff changeset	379 address dp() {
a61af66fc99e Initial load duke parents: diff changeset	380 return (address)_data;
a61af66fc99e Initial load duke parents: diff changeset	381 }
a61af66fc99e Initial load duke parents: diff changeset	382
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	383 int trap_state() const {
0 a61af66fc99e Initial load duke parents: diff changeset	384 return data()->trap_state();
a61af66fc99e Initial load duke parents: diff changeset	385 }
a61af66fc99e Initial load duke parents: diff changeset	386 void set_trap_state(int new_state) {
a61af66fc99e Initial load duke parents: diff changeset	387 data()->set_trap_state(new_state);
a61af66fc99e Initial load duke parents: diff changeset	388 }
a61af66fc99e Initial load duke parents: diff changeset	389
a61af66fc99e Initial load duke parents: diff changeset	390 // Type checking
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	391 virtual bool is_BitData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	392 virtual bool is_CounterData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	393 virtual bool is_JumpData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	394 virtual bool is_ReceiverTypeData()const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	395 virtual bool is_VirtualCallData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	396 virtual bool is_RetData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	397 virtual bool is_BranchData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	398 virtual bool is_ArrayData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	399 virtual bool is_MultiBranchData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	400 virtual bool is_ArgInfoData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	401 virtual bool is_CallTypeData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	402 virtual bool is_VirtualCallTypeData()const { return false; }
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	403 virtual bool is_ParametersTypeData() const { return false; }
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	404 virtual bool is_SpeculativeTrapData()const { return false; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	405
0 a61af66fc99e Initial load duke parents: diff changeset	406
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	407 BitData* as_BitData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	408 assert(is_BitData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	409 return is_BitData() ? (BitData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	410 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	411 CounterData* as_CounterData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	412 assert(is_CounterData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	413 return is_CounterData() ? (CounterData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	414 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	415 JumpData* as_JumpData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	416 assert(is_JumpData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	417 return is_JumpData() ? (JumpData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	418 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	419 ReceiverTypeData* as_ReceiverTypeData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	420 assert(is_ReceiverTypeData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	421 return is_ReceiverTypeData() ? (ReceiverTypeData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	422 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	423 VirtualCallData* as_VirtualCallData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	424 assert(is_VirtualCallData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	425 return is_VirtualCallData() ? (VirtualCallData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	426 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	427 RetData* as_RetData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	428 assert(is_RetData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	429 return is_RetData() ? (RetData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	430 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	431 BranchData* as_BranchData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	432 assert(is_BranchData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	433 return is_BranchData() ? (BranchData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	434 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	435 ArrayData* as_ArrayData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	436 assert(is_ArrayData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	437 return is_ArrayData() ? (ArrayData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	438 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	439 MultiBranchData* as_MultiBranchData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	440 assert(is_MultiBranchData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	441 return is_MultiBranchData() ? (MultiBranchData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	442 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	443 ArgInfoData* as_ArgInfoData() const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	444 assert(is_ArgInfoData(), "wrong type");
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	445 return is_ArgInfoData() ? (ArgInfoData*)this : NULL;
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	446 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	447 CallTypeData* as_CallTypeData() const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	448 assert(is_CallTypeData(), "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	449 return is_CallTypeData() ? (CallTypeData*)this : NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	450 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	451 VirtualCallTypeData* as_VirtualCallTypeData() const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	452 assert(is_VirtualCallTypeData(), "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	453 return is_VirtualCallTypeData() ? (VirtualCallTypeData*)this : NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	454 }
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	455 ParametersTypeData* as_ParametersTypeData() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	456 assert(is_ParametersTypeData(), "wrong type");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	457 return is_ParametersTypeData() ? (ParametersTypeData*)this : NULL;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	458 }
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	459 SpeculativeTrapData* as_SpeculativeTrapData() const {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	460 assert(is_SpeculativeTrapData(), "wrong type");
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	461 return is_SpeculativeTrapData() ? (SpeculativeTrapData*)this : NULL;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	462 }
0 a61af66fc99e Initial load duke parents: diff changeset	463
a61af66fc99e Initial load duke parents: diff changeset	464
a61af66fc99e Initial load duke parents: diff changeset	465 // Subclass specific initialization
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	466 virtual void post_initialize(BytecodeStream* stream, MethodData* mdo) {}
0 a61af66fc99e Initial load duke parents: diff changeset	467
a61af66fc99e Initial load duke parents: diff changeset	468 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	469 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {}
0 a61af66fc99e Initial load duke parents: diff changeset	470
a61af66fc99e Initial load duke parents: diff changeset	471 // CI translation: ProfileData can represent both MethodDataOop data
a61af66fc99e Initial load duke parents: diff changeset	472 // as well as CIMethodData data. This function is provided for translating
a61af66fc99e Initial load duke parents: diff changeset	473 // an oop in a ProfileData to the ci equivalent. Generally speaking,
a61af66fc99e Initial load duke parents: diff changeset	474 // most ProfileData don't require any translation, so we provide the null
a61af66fc99e Initial load duke parents: diff changeset	475 // translation here, and the required translators are in the ci subclasses.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	476 virtual void translate_from(const ProfileData* data) {}
0 a61af66fc99e Initial load duke parents: diff changeset	477
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	478 virtual void print_data_on(outputStream* st, const char* extra = NULL) const {
0 a61af66fc99e Initial load duke parents: diff changeset	479 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	480 }
a61af66fc99e Initial load duke parents: diff changeset	481
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	482 void print_data_on(outputStream* st, const MethodData* md) const;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	483
0 a61af66fc99e Initial load duke parents: diff changeset	484 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	485 void print_shared(outputStream* st, const char* name, const char* extra) const;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	486 void tab(outputStream* st, bool first = false) const;
0 a61af66fc99e Initial load duke parents: diff changeset	487 #endif
a61af66fc99e Initial load duke parents: diff changeset	488 };
a61af66fc99e Initial load duke parents: diff changeset	489
a61af66fc99e Initial load duke parents: diff changeset	490 // BitData
a61af66fc99e Initial load duke parents: diff changeset	491 //
a61af66fc99e Initial load duke parents: diff changeset	492 // A BitData holds a flag or two in its header.
a61af66fc99e Initial load duke parents: diff changeset	493 class BitData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	494 protected:
a61af66fc99e Initial load duke parents: diff changeset	495 enum {
a61af66fc99e Initial load duke parents: diff changeset	496 // null_seen:
a61af66fc99e Initial load duke parents: diff changeset	497 // saw a null operand (cast/aastore/instanceof)
a61af66fc99e Initial load duke parents: diff changeset	498 null_seen_flag = DataLayout::first_flag + 0
a61af66fc99e Initial load duke parents: diff changeset	499 };
a61af66fc99e Initial load duke parents: diff changeset	500 enum { bit_cell_count = 0 }; // no additional data fields needed.
a61af66fc99e Initial load duke parents: diff changeset	501 public:
a61af66fc99e Initial load duke parents: diff changeset	502 BitData(DataLayout* layout) : ProfileData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	503 }
a61af66fc99e Initial load duke parents: diff changeset	504
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	505 virtual bool is_BitData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	506
a61af66fc99e Initial load duke parents: diff changeset	507 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	508 return bit_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	509 }
a61af66fc99e Initial load duke parents: diff changeset	510
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	511 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	512 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	513 }
a61af66fc99e Initial load duke parents: diff changeset	514
a61af66fc99e Initial load duke parents: diff changeset	515 // Accessor
a61af66fc99e Initial load duke parents: diff changeset	516
a61af66fc99e Initial load duke parents: diff changeset	517 // The null_seen flag bit is specially known to the interpreter.
a61af66fc99e Initial load duke parents: diff changeset	518 // Consulting it allows the compiler to avoid setting up null_check traps.
a61af66fc99e Initial load duke parents: diff changeset	519 bool null_seen() { return flag_at(null_seen_flag); }
a61af66fc99e Initial load duke parents: diff changeset	520 void set_null_seen() { set_flag_at(null_seen_flag); }
a61af66fc99e Initial load duke parents: diff changeset	521
a61af66fc99e Initial load duke parents: diff changeset	522
a61af66fc99e Initial load duke parents: diff changeset	523 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	524 static int null_seen_byte_constant() {
a61af66fc99e Initial load duke parents: diff changeset	525 return flag_number_to_byte_constant(null_seen_flag);
a61af66fc99e Initial load duke parents: diff changeset	526 }
a61af66fc99e Initial load duke parents: diff changeset	527
a61af66fc99e Initial load duke parents: diff changeset	528 static ByteSize bit_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	529 return cell_offset(bit_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	530 }
a61af66fc99e Initial load duke parents: diff changeset	531
a61af66fc99e Initial load duke parents: diff changeset	532 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	533 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	534 #endif
a61af66fc99e Initial load duke parents: diff changeset	535 };
a61af66fc99e Initial load duke parents: diff changeset	536
a61af66fc99e Initial load duke parents: diff changeset	537 // CounterData
a61af66fc99e Initial load duke parents: diff changeset	538 //
a61af66fc99e Initial load duke parents: diff changeset	539 // A CounterData corresponds to a simple counter.
a61af66fc99e Initial load duke parents: diff changeset	540 class CounterData : public BitData {
a61af66fc99e Initial load duke parents: diff changeset	541 protected:
a61af66fc99e Initial load duke parents: diff changeset	542 enum {
a61af66fc99e Initial load duke parents: diff changeset	543 count_off,
a61af66fc99e Initial load duke parents: diff changeset	544 counter_cell_count
a61af66fc99e Initial load duke parents: diff changeset	545 };
a61af66fc99e Initial load duke parents: diff changeset	546 public:
a61af66fc99e Initial load duke parents: diff changeset	547 CounterData(DataLayout* layout) : BitData(layout) {}
a61af66fc99e Initial load duke parents: diff changeset	548
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	549 virtual bool is_CounterData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	550
a61af66fc99e Initial load duke parents: diff changeset	551 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	552 return counter_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	553 }
a61af66fc99e Initial load duke parents: diff changeset	554
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	555 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	556 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	557 }
a61af66fc99e Initial load duke parents: diff changeset	558
a61af66fc99e Initial load duke parents: diff changeset	559 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	560 uint count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	561 return uint_at(count_off);
a61af66fc99e Initial load duke parents: diff changeset	562 }
a61af66fc99e Initial load duke parents: diff changeset	563
a61af66fc99e Initial load duke parents: diff changeset	564 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	565 static ByteSize count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	566 return cell_offset(count_off);
a61af66fc99e Initial load duke parents: diff changeset	567 }
a61af66fc99e Initial load duke parents: diff changeset	568 static ByteSize counter_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	569 return cell_offset(counter_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	570 }
a61af66fc99e Initial load duke parents: diff changeset	571
1251 576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	572 void set_count(uint count) {
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	573 set_uint_at(count_off, count);
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	574 }
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	575
0 a61af66fc99e Initial load duke parents: diff changeset	576 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	577 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	578 #endif
a61af66fc99e Initial load duke parents: diff changeset	579 };
a61af66fc99e Initial load duke parents: diff changeset	580
a61af66fc99e Initial load duke parents: diff changeset	581 // JumpData
a61af66fc99e Initial load duke parents: diff changeset	582 //
a61af66fc99e Initial load duke parents: diff changeset	583 // A JumpData is used to access profiling information for a direct
a61af66fc99e Initial load duke parents: diff changeset	584 // branch. It is a counter, used for counting the number of branches,
a61af66fc99e Initial load duke parents: diff changeset	585 // plus a data displacement, used for realigning the data pointer to
a61af66fc99e Initial load duke parents: diff changeset	586 // the corresponding target bci.
a61af66fc99e Initial load duke parents: diff changeset	587 class JumpData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	588 protected:
a61af66fc99e Initial load duke parents: diff changeset	589 enum {
a61af66fc99e Initial load duke parents: diff changeset	590 taken_off_set,
a61af66fc99e Initial load duke parents: diff changeset	591 displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	592 jump_cell_count
a61af66fc99e Initial load duke parents: diff changeset	593 };
a61af66fc99e Initial load duke parents: diff changeset	594
a61af66fc99e Initial load duke parents: diff changeset	595 void set_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	596 set_int_at(displacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	597 }
a61af66fc99e Initial load duke parents: diff changeset	598
a61af66fc99e Initial load duke parents: diff changeset	599 public:
a61af66fc99e Initial load duke parents: diff changeset	600 JumpData(DataLayout* layout) : ProfileData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	601 assert(layout->tag() == DataLayout::jump_data_tag \|\|
a61af66fc99e Initial load duke parents: diff changeset	602 layout->tag() == DataLayout::branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	603 }
a61af66fc99e Initial load duke parents: diff changeset	604
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	605 virtual bool is_JumpData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	606
a61af66fc99e Initial load duke parents: diff changeset	607 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	608 return jump_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	609 }
a61af66fc99e Initial load duke parents: diff changeset	610
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	611 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	612 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	613 }
a61af66fc99e Initial load duke parents: diff changeset	614
a61af66fc99e Initial load duke parents: diff changeset	615 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	616 uint taken() const {
0 a61af66fc99e Initial load duke parents: diff changeset	617 return uint_at(taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	618 }
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	619
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	620 void set_taken(uint cnt) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	621 set_uint_at(taken_off_set, cnt);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	622 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	623
0 a61af66fc99e Initial load duke parents: diff changeset	624 // Saturating counter
a61af66fc99e Initial load duke parents: diff changeset	625 uint inc_taken() {
a61af66fc99e Initial load duke parents: diff changeset	626 uint cnt = taken() + 1;
a61af66fc99e Initial load duke parents: diff changeset	627 // Did we wrap? Will compiler screw us??
a61af66fc99e Initial load duke parents: diff changeset	628 if (cnt == 0) cnt--;
a61af66fc99e Initial load duke parents: diff changeset	629 set_uint_at(taken_off_set, cnt);
a61af66fc99e Initial load duke parents: diff changeset	630 return cnt;
a61af66fc99e Initial load duke parents: diff changeset	631 }
a61af66fc99e Initial load duke parents: diff changeset	632
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	633 int displacement() const {
0 a61af66fc99e Initial load duke parents: diff changeset	634 return int_at(displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	635 }
a61af66fc99e Initial load duke parents: diff changeset	636
a61af66fc99e Initial load duke parents: diff changeset	637 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	638 static ByteSize taken_offset() {
a61af66fc99e Initial load duke parents: diff changeset	639 return cell_offset(taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	640 }
a61af66fc99e Initial load duke parents: diff changeset	641
a61af66fc99e Initial load duke parents: diff changeset	642 static ByteSize displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	643 return cell_offset(displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	644 }
a61af66fc99e Initial load duke parents: diff changeset	645
a61af66fc99e Initial load duke parents: diff changeset	646 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	647 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	648
a61af66fc99e Initial load duke parents: diff changeset	649 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	650 void print_data_on(outputStream* st, const char* extra = NULL) const;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	651 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	652 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	653
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	654 // Entries in a ProfileData object to record types: it can either be
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	655 // none (no profile), unknown (conflicting profile data) or a klass if
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	656 // a single one is seen. Whether a null reference was seen is also
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	657 // recorded. No counter is associated with the type and a single type
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	658 // is tracked (unlike VirtualCallData).
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	659 class TypeEntries {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	660
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	661 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	662
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	663 // A single cell is used to record information for a type:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	664 // - the cell is initialized to 0
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	665 // - when a type is discovered it is stored in the cell
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	666 // - bit zero of the cell is used to record whether a null reference
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	667 // was encountered or not
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	668 // - bit 1 is set to record a conflict in the type information
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	669
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	670 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	671 null_seen = 1,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	672 type_mask = ~null_seen,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	673 type_unknown = 2,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	674 status_bits = null_seen \| type_unknown,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	675 type_klass_mask = ~status_bits
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	676 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	677
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	678 // what to initialize a cell to
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	679 static intptr_t type_none() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	680 return 0;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	681 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	682
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	683 // null seen = bit 0 set?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	684 static bool was_null_seen(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	685 return (v & null_seen) != 0;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	686 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	687
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	688 // conflicting type information = bit 1 set?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	689 static bool is_type_unknown(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	690 return (v & type_unknown) != 0;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	691 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	692
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	693 // not type information yet = all bits cleared, ignoring bit 0?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	694 static bool is_type_none(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	695 return (v & type_mask) == 0;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	696 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	697
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	698 // recorded type: cell without bit 0 and 1
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	699 static intptr_t klass_part(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	700 intptr_t r = v & type_klass_mask;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	701 return r;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	702 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	703
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	704 // type recorded
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	705 static Klass* valid_klass(intptr_t k) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	706 if (!is_type_none(k) &&
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	707 !is_type_unknown(k)) {
13080 6e1826d5c23e 8027572: assert(r != 0) failed: invalid roland parents: 12962 diff changeset	708 Klass* res = (Klass*)klass_part(k);
6e1826d5c23e 8027572: assert(r != 0) failed: invalid roland parents: 12962 diff changeset	709 assert(res != NULL, "invalid");
6e1826d5c23e 8027572: assert(r != 0) failed: invalid roland parents: 12962 diff changeset	710 return res;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	711 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	712 return NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	713 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	714 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	715
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	716 static intptr_t with_status(intptr_t k, intptr_t in) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	717 return k \| (in & status_bits);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	718 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	719
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	720 static intptr_t with_status(Klass* k, intptr_t in) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	721 return with_status((intptr_t)k, in);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	722 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	723
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	724 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	725 static void print_klass(outputStream* st, intptr_t k);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	726 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	727
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	728 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	729 static bool is_loader_alive(BoolObjectClosure* is_alive_cl, intptr_t p);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	730
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	731 protected:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	732 // ProfileData object these entries are part of
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	733 ProfileData* _pd;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	734 // offset within the ProfileData object where the entries start
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	735 const int _base_off;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	736
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	737 TypeEntries(int base_off)
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	738 : _base_off(base_off), _pd(NULL) {}
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	739
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	740 void set_intptr_at(int index, intptr_t value) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	741 _pd->set_intptr_at(index, value);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	742 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	743
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	744 intptr_t intptr_at(int index) const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	745 return _pd->intptr_at(index);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	746 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	747
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	748 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	749 void set_profile_data(ProfileData* pd) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	750 _pd = pd;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	751 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	752 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	753
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	754 // Type entries used for arguments passed at a call and parameters on
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	755 // method entry. 2 cells per entry: one for the type encoded as in
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	756 // TypeEntries and one initialized with the stack slot where the
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	757 // profiled object is to be found so that the interpreter can locate
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	758 // it quickly.
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	759 class TypeStackSlotEntries : public TypeEntries {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	760
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	761 private:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	762 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	763 stack_slot_entry,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	764 type_entry,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	765 per_arg_cell_count
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	766 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	767
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	768 // offset of cell for stack slot for entry i within ProfileData object
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	769 int stack_slot_offset(int i) const {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	770 return _base_off + stack_slot_local_offset(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	771 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	772
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	773 protected:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	774 const int _number_of_entries;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	775
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	776 // offset of cell for type for entry i within ProfileData object
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	777 int type_offset(int i) const {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	778 return _base_off + type_local_offset(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	779 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	780
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	781 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	782
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	783 TypeStackSlotEntries(int base_off, int nb_entries)
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	784 : TypeEntries(base_off), _number_of_entries(nb_entries) {}
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	785
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	786 static int compute_cell_count(Symbol* signature, bool include_receiver, int max);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	787
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	788 void post_initialize(Symbol* signature, bool has_receiver, bool include_receiver);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	789
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	790 // offset of cell for stack slot for entry i within this block of cells for a TypeStackSlotEntries
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	791 static int stack_slot_local_offset(int i) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	792 return i * per_arg_cell_count + stack_slot_entry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	793 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	794
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	795 // offset of cell for type for entry i within this block of cells for a TypeStackSlotEntries
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	796 static int type_local_offset(int i) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	797 return i * per_arg_cell_count + type_entry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	798 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	799
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	800 // stack slot for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	801 uint stack_slot(int i) const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	802 assert(i >= 0 && i < _number_of_entries, "oob");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	803 return _pd->uint_at(stack_slot_offset(i));
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	804 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	805
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	806 // set stack slot for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	807 void set_stack_slot(int i, uint num) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	808 assert(i >= 0 && i < _number_of_entries, "oob");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	809 _pd->set_uint_at(stack_slot_offset(i), num);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	810 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	811
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	812 // type for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	813 intptr_t type(int i) const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	814 assert(i >= 0 && i < _number_of_entries, "oob");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	815 return _pd->intptr_at(type_offset(i));
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	816 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	817
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	818 // set type for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	819 void set_type(int i, intptr_t k) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	820 assert(i >= 0 && i < _number_of_entries, "oob");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	821 _pd->set_intptr_at(type_offset(i), k);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	822 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	823
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	824 static ByteSize per_arg_size() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	825 return in_ByteSize(per_arg_cell_count * DataLayout::cell_size);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	826 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	827
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	828 static int per_arg_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	829 return per_arg_cell_count ;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	830 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	831
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	832 // GC support
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	833 void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	834
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	835 #ifndef PRODUCT
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	836 void print_data_on(outputStream* st) const;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	837 #endif
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	838 };
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	839
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	840 // Type entry used for return from a call. A single cell to record the
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	841 // type.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	842 class ReturnTypeEntry : public TypeEntries {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	843
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	844 private:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	845 enum {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	846 cell_count = 1
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	847 };
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	848
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	849 public:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	850 ReturnTypeEntry(int base_off)
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	851 : TypeEntries(base_off) {}
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	852
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	853 void post_initialize() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	854 set_type(type_none());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	855 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	856
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	857 intptr_t type() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	858 return _pd->intptr_at(_base_off);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	859 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	860
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	861 void set_type(intptr_t k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	862 _pd->set_intptr_at(_base_off, k);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	863 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	864
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	865 static int static_cell_count() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	866 return cell_count;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	867 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	868
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	869 static ByteSize size() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	870 return in_ByteSize(cell_count * DataLayout::cell_size);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	871 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	872
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	873 ByteSize type_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	874 return DataLayout::cell_offset(_base_off);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	875 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	876
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	877 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	878 void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	879
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	880 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	881 void print_data_on(outputStream* st) const;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	882 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	883 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	884
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	885 // Entries to collect type information at a call: contains arguments
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	886 // (TypeStackSlotEntries), a return type (ReturnTypeEntry) and a
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	887 // number of cells. Because the number of cells for the return type is
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	888 // smaller than the number of cells for the type of an arguments, the
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	889 // number of cells is used to tell how many arguments are profiled and
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	890 // whether a return value is profiled. See has_arguments() and
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	891 // has_return().
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	892 class TypeEntriesAtCall {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	893 private:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	894 static int stack_slot_local_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	895 return header_cell_count() + TypeStackSlotEntries::stack_slot_local_offset(i);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	896 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	897
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	898 static int argument_type_local_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	899 return header_cell_count() + TypeStackSlotEntries::type_local_offset(i);;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	900 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	901
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	902 public:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	903
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	904 static int header_cell_count() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	905 return 1;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	906 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	907
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	908 static int cell_count_local_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	909 return 0;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	910 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	911
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	912 static int compute_cell_count(BytecodeStream* stream);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	913
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	914 static void initialize(DataLayout* dl, int base, int cell_count) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	915 int off = base + cell_count_local_offset();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	916 dl->set_cell_at(off, cell_count - base - header_cell_count());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	917 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	918
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	919 static bool arguments_profiling_enabled();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	920 static bool return_profiling_enabled();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	921
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	922 // Code generation support
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	923 static ByteSize cell_count_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	924 return in_ByteSize(cell_count_local_offset() * DataLayout::cell_size);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	925 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	926
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	927 static ByteSize args_data_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	928 return in_ByteSize(header_cell_count() * DataLayout::cell_size);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	929 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	930
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	931 static ByteSize stack_slot_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	932 return in_ByteSize(stack_slot_local_offset(i) * DataLayout::cell_size);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	933 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	934
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	935 static ByteSize argument_type_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	936 return in_ByteSize(argument_type_local_offset(i) * DataLayout::cell_size);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	937 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	938 };
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	939
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	940 // CallTypeData
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	941 //
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	942 // A CallTypeData is used to access profiling information about a non
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	943 // virtual call for which we collect type information about arguments
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	944 // and return value.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	945 class CallTypeData : public CounterData {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	946 private:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	947 // entries for arguments if any
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	948 TypeStackSlotEntries _args;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	949 // entry for return type if any
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	950 ReturnTypeEntry _ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	951
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	952 int cell_count_global_offset() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	953 return CounterData::static_cell_count() + TypeEntriesAtCall::cell_count_local_offset();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	954 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	955
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	956 // number of cells not counting the header
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	957 int cell_count_no_header() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	958 return uint_at(cell_count_global_offset());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	959 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	960
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	961 void check_number_of_arguments(int total) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	962 assert(number_of_arguments() == total, "should be set in DataLayout::initialize");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	963 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	964
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	965 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	966 CallTypeData(DataLayout* layout) :
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	967 CounterData(layout),
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	968 _args(CounterData::static_cell_count()+TypeEntriesAtCall::header_cell_count(), number_of_arguments()),
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	969 _ret(cell_count() - ReturnTypeEntry::static_cell_count())
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	970 {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	971 assert(layout->tag() == DataLayout::call_type_data_tag, "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	972 // Some compilers (VC++) don't want this passed in member initialization list
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	973 _args.set_profile_data(this);
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	974 _ret.set_profile_data(this);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	975 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	976
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	977 const TypeStackSlotEntries* args() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	978 assert(has_arguments(), "no profiling of arguments");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	979 return &_args;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	980 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	981
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	982 const ReturnTypeEntry* ret() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	983 assert(has_return(), "no profiling of return value");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	984 return &_ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	985 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	986
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	987 virtual bool is_CallTypeData() const { return true; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	988
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	989 static int static_cell_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	990 return -1;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	991 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	992
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	993 static int compute_cell_count(BytecodeStream* stream) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	994 return CounterData::static_cell_count() + TypeEntriesAtCall::compute_cell_count(stream);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	995 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	996
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	997 static void initialize(DataLayout* dl, int cell_count) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	998 TypeEntriesAtCall::initialize(dl, CounterData::static_cell_count(), cell_count);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	999 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1000
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1001 virtual void post_initialize(BytecodeStream* stream, MethodData* mdo);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1002
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1003 virtual int cell_count() const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1004 return CounterData::static_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1005 TypeEntriesAtCall::header_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1006 int_at_unchecked(cell_count_global_offset());
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1007 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1008
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1009 int number_of_arguments() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1010 return cell_count_no_header() / TypeStackSlotEntries::per_arg_count();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1011 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1012
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1013 void set_argument_type(int i, Klass* k) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1014 assert(has_arguments(), "no arguments!");
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1015 intptr_t current = _args.type(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1016 _args.set_type(i, TypeEntries::with_status(k, current));
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1017 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1018
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1019 void set_return_type(Klass* k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1020 assert(has_return(), "no return!");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1021 intptr_t current = _ret.type();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1022 _ret.set_type(TypeEntries::with_status(k, current));
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1023 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1024
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1025 // An entry for a return value takes less space than an entry for an
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1026 // argument so if the number of cells exceeds the number of cells
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1027 // needed for an argument, this object contains type information for
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1028 // at least one argument.
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1029 bool has_arguments() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1030 bool res = cell_count_no_header() >= TypeStackSlotEntries::per_arg_count();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1031 assert (!res \|\| TypeEntriesAtCall::arguments_profiling_enabled(), "no profiling of arguments");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1032 return res;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1033 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1034
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1035 // An entry for a return value takes less space than an entry for an
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1036 // argument, so if the remainder of the number of cells divided by
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1037 // the number of cells for an argument is not null, a return value
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1038 // is profiled in this object.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1039 bool has_return() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1040 bool res = (cell_count_no_header() % TypeStackSlotEntries::per_arg_count()) != 0;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1041 assert (!res \|\| TypeEntriesAtCall::return_profiling_enabled(), "no profiling of return values");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1042 return res;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1043 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1044
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1045 // Code generation support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1046 static ByteSize args_data_offset() {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1047 return cell_offset(CounterData::static_cell_count()) + TypeEntriesAtCall::args_data_offset();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1048 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1049
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1050 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1051 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1052 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1053 _args.clean_weak_klass_links(is_alive_closure);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1054 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1055 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1056 _ret.clean_weak_klass_links(is_alive_closure);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1057 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1058 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1059
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1060 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1061 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1062 #endif
a61af66fc99e Initial load duke parents: diff changeset	1063 };
a61af66fc99e Initial load duke parents: diff changeset	1064
a61af66fc99e Initial load duke parents: diff changeset	1065 // ReceiverTypeData
a61af66fc99e Initial load duke parents: diff changeset	1066 //
a61af66fc99e Initial load duke parents: diff changeset	1067 // A ReceiverTypeData is used to access profiling information about a
a61af66fc99e Initial load duke parents: diff changeset	1068 // dynamic type check. It consists of a counter which counts the total times
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1069 // that the check is reached, and a series of (Klass*, count) pairs
0 a61af66fc99e Initial load duke parents: diff changeset	1070 // which are used to store a type profile for the receiver of the check.
a61af66fc99e Initial load duke parents: diff changeset	1071 class ReceiverTypeData : public CounterData {
a61af66fc99e Initial load duke parents: diff changeset	1072 protected:
a61af66fc99e Initial load duke parents: diff changeset	1073 enum {
a61af66fc99e Initial load duke parents: diff changeset	1074 receiver0_offset = counter_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1075 count0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1076 receiver_type_row_cell_count = (count0_offset + 1) - receiver0_offset
a61af66fc99e Initial load duke parents: diff changeset	1077 };
a61af66fc99e Initial load duke parents: diff changeset	1078
a61af66fc99e Initial load duke parents: diff changeset	1079 public:
a61af66fc99e Initial load duke parents: diff changeset	1080 ReceiverTypeData(DataLayout* layout) : CounterData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1081 assert(layout->tag() == DataLayout::receiver_type_data_tag \|\|
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1082 layout->tag() == DataLayout::virtual_call_data_tag \|\|
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1083 layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1084 }
a61af66fc99e Initial load duke parents: diff changeset	1085
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1086 virtual bool is_ReceiverTypeData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1087
a61af66fc99e Initial load duke parents: diff changeset	1088 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1089 return counter_cell_count + (uint) TypeProfileWidth * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1090 }
a61af66fc99e Initial load duke parents: diff changeset	1091
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1092 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1093 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1094 }
a61af66fc99e Initial load duke parents: diff changeset	1095
a61af66fc99e Initial load duke parents: diff changeset	1096 // Direct accessors
a61af66fc99e Initial load duke parents: diff changeset	1097 static uint row_limit() {
a61af66fc99e Initial load duke parents: diff changeset	1098 return TypeProfileWidth;
a61af66fc99e Initial load duke parents: diff changeset	1099 }
a61af66fc99e Initial load duke parents: diff changeset	1100 static int receiver_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1101 return receiver0_offset + row * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1102 }
a61af66fc99e Initial load duke parents: diff changeset	1103 static int receiver_count_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1104 return count0_offset + row * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1105 }
a61af66fc99e Initial load duke parents: diff changeset	1106
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1107 Klass* receiver(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1108 assert(row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1109
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1110 Klass* recv = (Klass*)intptr_at(receiver_cell_index(row));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1111 assert(recv == NULL \|\| recv->is_klass(), "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1112 return recv;
a61af66fc99e Initial load duke parents: diff changeset	1113 }
a61af66fc99e Initial load duke parents: diff changeset	1114
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1115 void set_receiver(uint row, Klass* k) {
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1116 assert((uint)row < row_limit(), "oob");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1117 set_intptr_at(receiver_cell_index(row), (uintptr_t)k);
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1118 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1119
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1120 uint receiver_count(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1121 assert(row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1122 return uint_at(receiver_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1123 }
a61af66fc99e Initial load duke parents: diff changeset	1124
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1125 void set_receiver_count(uint row, uint count) {
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1126 assert(row < row_limit(), "oob");
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1127 set_uint_at(receiver_count_cell_index(row), count);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1128 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1129
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1130 void clear_row(uint row) {
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1131 assert(row < row_limit(), "oob");
1251 576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1132 // Clear total count - indicator of polymorphic call site.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1133 // The site may look like as monomorphic after that but
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1134 // it allow to have more accurate profiling information because
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1135 // there was execution phase change since klasses were unloaded.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1136 // If the site is still polymorphic then MDO will be updated
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1137 // to reflect it. But it could be the case that the site becomes
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1138 // only bimorphic. Then keeping total count not 0 will be wrong.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1139 // Even if we use monomorphic (when it is not) for compilation
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1140 // we will only have trap, deoptimization and recompile again
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1141 // with updated MDO after executing method in Interpreter.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1142 // An additional receiver will be recorded in the cleaned row
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1143 // during next call execution.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1144 //
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1145 // Note: our profiling logic works with empty rows in any slot.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1146 // We do sorting a profiling info (ciCallProfile) for compilation.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1147 //
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1148 set_count(0);
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1149 set_receiver(row, NULL);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1150 set_receiver_count(row, 0);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1151 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1152
0 a61af66fc99e Initial load duke parents: diff changeset	1153 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1154 static ByteSize receiver_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1155 return cell_offset(receiver_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1156 }
a61af66fc99e Initial load duke parents: diff changeset	1157 static ByteSize receiver_count_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1158 return cell_offset(receiver_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1159 }
a61af66fc99e Initial load duke parents: diff changeset	1160 static ByteSize receiver_type_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1161 return cell_offset(static_cell_count());
a61af66fc99e Initial load duke parents: diff changeset	1162 }
a61af66fc99e Initial load duke parents: diff changeset	1163
a61af66fc99e Initial load duke parents: diff changeset	1164 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1165 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
0 a61af66fc99e Initial load duke parents: diff changeset	1166
a61af66fc99e Initial load duke parents: diff changeset	1167 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1168 void print_receiver_data_on(outputStream* st) const;
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1169 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1170 #endif
a61af66fc99e Initial load duke parents: diff changeset	1171 };
a61af66fc99e Initial load duke parents: diff changeset	1172
a61af66fc99e Initial load duke parents: diff changeset	1173 // VirtualCallData
a61af66fc99e Initial load duke parents: diff changeset	1174 //
a61af66fc99e Initial load duke parents: diff changeset	1175 // A VirtualCallData is used to access profiling information about a
a61af66fc99e Initial load duke parents: diff changeset	1176 // virtual call. For now, it has nothing more than a ReceiverTypeData.
a61af66fc99e Initial load duke parents: diff changeset	1177 class VirtualCallData : public ReceiverTypeData {
a61af66fc99e Initial load duke parents: diff changeset	1178 public:
a61af66fc99e Initial load duke parents: diff changeset	1179 VirtualCallData(DataLayout* layout) : ReceiverTypeData(layout) {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1180 assert(layout->tag() == DataLayout::virtual_call_data_tag \|\|
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1181 layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1182 }
a61af66fc99e Initial load duke parents: diff changeset	1183
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1184 virtual bool is_VirtualCallData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1185
a61af66fc99e Initial load duke parents: diff changeset	1186 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1187 // At this point we could add more profile state, e.g., for arguments.
a61af66fc99e Initial load duke parents: diff changeset	1188 // But for now it's the same size as the base record type.
a61af66fc99e Initial load duke parents: diff changeset	1189 return ReceiverTypeData::static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1190 }
a61af66fc99e Initial load duke parents: diff changeset	1191
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1192 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1193 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1194 }
a61af66fc99e Initial load duke parents: diff changeset	1195
a61af66fc99e Initial load duke parents: diff changeset	1196 // Direct accessors
a61af66fc99e Initial load duke parents: diff changeset	1197 static ByteSize virtual_call_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1198 return cell_offset(static_cell_count());
a61af66fc99e Initial load duke parents: diff changeset	1199 }
a61af66fc99e Initial load duke parents: diff changeset	1200
a61af66fc99e Initial load duke parents: diff changeset	1201 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1202 void print_data_on(outputStream* st, const char* extra = NULL) const;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1203 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1204 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1205
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1206 // VirtualCallTypeData
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1207 //
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1208 // A VirtualCallTypeData is used to access profiling information about
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1209 // a virtual call for which we collect type information about
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1210 // arguments and return value.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1211 class VirtualCallTypeData : public VirtualCallData {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1212 private:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1213 // entries for arguments if any
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1214 TypeStackSlotEntries _args;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1215 // entry for return type if any
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1216 ReturnTypeEntry _ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1217
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1218 int cell_count_global_offset() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1219 return VirtualCallData::static_cell_count() + TypeEntriesAtCall::cell_count_local_offset();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1220 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1221
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1222 // number of cells not counting the header
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1223 int cell_count_no_header() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1224 return uint_at(cell_count_global_offset());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1225 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1226
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1227 void check_number_of_arguments(int total) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1228 assert(number_of_arguments() == total, "should be set in DataLayout::initialize");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1229 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1230
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1231 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1232 VirtualCallTypeData(DataLayout* layout) :
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1233 VirtualCallData(layout),
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1234 _args(VirtualCallData::static_cell_count()+TypeEntriesAtCall::header_cell_count(), number_of_arguments()),
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1235 _ret(cell_count() - ReturnTypeEntry::static_cell_count())
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1236 {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1237 assert(layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1238 // Some compilers (VC++) don't want this passed in member initialization list
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1239 _args.set_profile_data(this);
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1240 _ret.set_profile_data(this);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1241 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1242
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1243 const TypeStackSlotEntries* args() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1244 assert(has_arguments(), "no profiling of arguments");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1245 return &_args;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1246 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1247
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1248 const ReturnTypeEntry* ret() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1249 assert(has_return(), "no profiling of return value");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1250 return &_ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1251 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1252
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1253 virtual bool is_VirtualCallTypeData() const { return true; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1254
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1255 static int static_cell_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1256 return -1;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1257 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1258
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1259 static int compute_cell_count(BytecodeStream* stream) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1260 return VirtualCallData::static_cell_count() + TypeEntriesAtCall::compute_cell_count(stream);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1261 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1262
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1263 static void initialize(DataLayout* dl, int cell_count) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1264 TypeEntriesAtCall::initialize(dl, VirtualCallData::static_cell_count(), cell_count);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1265 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1266
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1267 virtual void post_initialize(BytecodeStream* stream, MethodData* mdo);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1268
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1269 virtual int cell_count() const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1270 return VirtualCallData::static_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1271 TypeEntriesAtCall::header_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1272 int_at_unchecked(cell_count_global_offset());
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1273 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1274
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1275 int number_of_arguments() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1276 return cell_count_no_header() / TypeStackSlotEntries::per_arg_count();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1277 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1278
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1279 void set_argument_type(int i, Klass* k) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1280 assert(has_arguments(), "no arguments!");
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1281 intptr_t current = _args.type(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1282 _args.set_type(i, TypeEntries::with_status(k, current));
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1283 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1284
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1285 void set_return_type(Klass* k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1286 assert(has_return(), "no return!");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1287 intptr_t current = _ret.type();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1288 _ret.set_type(TypeEntries::with_status(k, current));
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1289 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1290
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1291 // An entry for a return value takes less space than an entry for an
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1292 // argument, so if the remainder of the number of cells divided by
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1293 // the number of cells for an argument is not null, a return value
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1294 // is profiled in this object.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1295 bool has_return() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1296 bool res = (cell_count_no_header() % TypeStackSlotEntries::per_arg_count()) != 0;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1297 assert (!res \|\| TypeEntriesAtCall::return_profiling_enabled(), "no profiling of return values");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1298 return res;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1299 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1300
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1301 // An entry for a return value takes less space than an entry for an
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1302 // argument so if the number of cells exceeds the number of cells
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1303 // needed for an argument, this object contains type information for
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1304 // at least one argument.
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1305 bool has_arguments() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1306 bool res = cell_count_no_header() >= TypeStackSlotEntries::per_arg_count();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1307 assert (!res \|\| TypeEntriesAtCall::arguments_profiling_enabled(), "no profiling of arguments");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1308 return res;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1309 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1310
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1311 // Code generation support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1312 static ByteSize args_data_offset() {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1313 return cell_offset(VirtualCallData::static_cell_count()) + TypeEntriesAtCall::args_data_offset();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1314 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1315
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1316 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1317 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1318 ReceiverTypeData::clean_weak_klass_links(is_alive_closure);
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1319 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1320 _args.clean_weak_klass_links(is_alive_closure);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1321 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1322 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1323 _ret.clean_weak_klass_links(is_alive_closure);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1324 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1325 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1326
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1327 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1328 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1329 #endif
a61af66fc99e Initial load duke parents: diff changeset	1330 };
a61af66fc99e Initial load duke parents: diff changeset	1331
a61af66fc99e Initial load duke parents: diff changeset	1332 // RetData
a61af66fc99e Initial load duke parents: diff changeset	1333 //
a61af66fc99e Initial load duke parents: diff changeset	1334 // A RetData is used to access profiling information for a ret bytecode.
a61af66fc99e Initial load duke parents: diff changeset	1335 // It is composed of a count of the number of times that the ret has
a61af66fc99e Initial load duke parents: diff changeset	1336 // been executed, followed by a series of triples of the form
a61af66fc99e Initial load duke parents: diff changeset	1337 // (bci, count, di) which count the number of times that some bci was the
a61af66fc99e Initial load duke parents: diff changeset	1338 // target of the ret and cache a corresponding data displacement.
a61af66fc99e Initial load duke parents: diff changeset	1339 class RetData : public CounterData {
a61af66fc99e Initial load duke parents: diff changeset	1340 protected:
a61af66fc99e Initial load duke parents: diff changeset	1341 enum {
a61af66fc99e Initial load duke parents: diff changeset	1342 bci0_offset = counter_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1343 count0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1344 displacement0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1345 ret_row_cell_count = (displacement0_offset + 1) - bci0_offset
a61af66fc99e Initial load duke parents: diff changeset	1346 };
a61af66fc99e Initial load duke parents: diff changeset	1347
a61af66fc99e Initial load duke parents: diff changeset	1348 void set_bci(uint row, int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1349 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1350 set_int_at(bci0_offset + row * ret_row_cell_count, bci);
a61af66fc99e Initial load duke parents: diff changeset	1351 }
a61af66fc99e Initial load duke parents: diff changeset	1352 void release_set_bci(uint row, int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1353 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1354 // 'release' when setting the bci acts as a valid flag for other
a61af66fc99e Initial load duke parents: diff changeset	1355 // threads wrt bci_count and bci_displacement.
a61af66fc99e Initial load duke parents: diff changeset	1356 release_set_int_at(bci0_offset + row * ret_row_cell_count, bci);
a61af66fc99e Initial load duke parents: diff changeset	1357 }
a61af66fc99e Initial load duke parents: diff changeset	1358 void set_bci_count(uint row, uint count) {
a61af66fc99e Initial load duke parents: diff changeset	1359 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1360 set_uint_at(count0_offset + row * ret_row_cell_count, count);
a61af66fc99e Initial load duke parents: diff changeset	1361 }
a61af66fc99e Initial load duke parents: diff changeset	1362 void set_bci_displacement(uint row, int disp) {
a61af66fc99e Initial load duke parents: diff changeset	1363 set_int_at(displacement0_offset + row * ret_row_cell_count, disp);
a61af66fc99e Initial load duke parents: diff changeset	1364 }
a61af66fc99e Initial load duke parents: diff changeset	1365
a61af66fc99e Initial load duke parents: diff changeset	1366 public:
a61af66fc99e Initial load duke parents: diff changeset	1367 RetData(DataLayout* layout) : CounterData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1368 assert(layout->tag() == DataLayout::ret_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1369 }
a61af66fc99e Initial load duke parents: diff changeset	1370
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1371 virtual bool is_RetData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1372
a61af66fc99e Initial load duke parents: diff changeset	1373 enum {
a61af66fc99e Initial load duke parents: diff changeset	1374 no_bci = -1 // value of bci when bci1/2 are not in use.
a61af66fc99e Initial load duke parents: diff changeset	1375 };
a61af66fc99e Initial load duke parents: diff changeset	1376
a61af66fc99e Initial load duke parents: diff changeset	1377 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1378 return counter_cell_count + (uint) BciProfileWidth * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1379 }
a61af66fc99e Initial load duke parents: diff changeset	1380
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1381 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1382 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1383 }
a61af66fc99e Initial load duke parents: diff changeset	1384
a61af66fc99e Initial load duke parents: diff changeset	1385 static uint row_limit() {
a61af66fc99e Initial load duke parents: diff changeset	1386 return BciProfileWidth;
a61af66fc99e Initial load duke parents: diff changeset	1387 }
a61af66fc99e Initial load duke parents: diff changeset	1388 static int bci_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1389 return bci0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1390 }
a61af66fc99e Initial load duke parents: diff changeset	1391 static int bci_count_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1392 return count0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1393 }
a61af66fc99e Initial load duke parents: diff changeset	1394 static int bci_displacement_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1395 return displacement0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1396 }
a61af66fc99e Initial load duke parents: diff changeset	1397
a61af66fc99e Initial load duke parents: diff changeset	1398 // Direct accessors
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1399 int bci(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1400 return int_at(bci_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1401 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1402 uint bci_count(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1403 return uint_at(bci_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1404 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1405 int bci_displacement(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1406 return int_at(bci_displacement_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1407 }
a61af66fc99e Initial load duke parents: diff changeset	1408
a61af66fc99e Initial load duke parents: diff changeset	1409 // Interpreter Runtime support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1410 address fixup_ret(int return_bci, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1411
a61af66fc99e Initial load duke parents: diff changeset	1412 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1413 static ByteSize bci_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1414 return cell_offset(bci_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1415 }
a61af66fc99e Initial load duke parents: diff changeset	1416 static ByteSize bci_count_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1417 return cell_offset(bci_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1418 }
a61af66fc99e Initial load duke parents: diff changeset	1419 static ByteSize bci_displacement_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1420 return cell_offset(bci_displacement_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1421 }
a61af66fc99e Initial load duke parents: diff changeset	1422
a61af66fc99e Initial load duke parents: diff changeset	1423 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1424 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1425
a61af66fc99e Initial load duke parents: diff changeset	1426 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1427 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1428 #endif
a61af66fc99e Initial load duke parents: diff changeset	1429 };
a61af66fc99e Initial load duke parents: diff changeset	1430
a61af66fc99e Initial load duke parents: diff changeset	1431 // BranchData
a61af66fc99e Initial load duke parents: diff changeset	1432 //
a61af66fc99e Initial load duke parents: diff changeset	1433 // A BranchData is used to access profiling data for a two-way branch.
a61af66fc99e Initial load duke parents: diff changeset	1434 // It consists of taken and not_taken counts as well as a data displacement
a61af66fc99e Initial load duke parents: diff changeset	1435 // for the taken case.
a61af66fc99e Initial load duke parents: diff changeset	1436 class BranchData : public JumpData {
a61af66fc99e Initial load duke parents: diff changeset	1437 protected:
a61af66fc99e Initial load duke parents: diff changeset	1438 enum {
a61af66fc99e Initial load duke parents: diff changeset	1439 not_taken_off_set = jump_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1440 branch_cell_count
a61af66fc99e Initial load duke parents: diff changeset	1441 };
a61af66fc99e Initial load duke parents: diff changeset	1442
a61af66fc99e Initial load duke parents: diff changeset	1443 void set_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1444 set_int_at(displacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	1445 }
a61af66fc99e Initial load duke parents: diff changeset	1446
a61af66fc99e Initial load duke parents: diff changeset	1447 public:
a61af66fc99e Initial load duke parents: diff changeset	1448 BranchData(DataLayout* layout) : JumpData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1449 assert(layout->tag() == DataLayout::branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1450 }
a61af66fc99e Initial load duke parents: diff changeset	1451
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1452 virtual bool is_BranchData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1453
a61af66fc99e Initial load duke parents: diff changeset	1454 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1455 return branch_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1456 }
a61af66fc99e Initial load duke parents: diff changeset	1457
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1458 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1459 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1460 }
a61af66fc99e Initial load duke parents: diff changeset	1461
a61af66fc99e Initial load duke parents: diff changeset	1462 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1463 uint not_taken() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1464 return uint_at(not_taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1465 }
a61af66fc99e Initial load duke parents: diff changeset	1466
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1467 void set_not_taken(uint cnt) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1468 set_uint_at(not_taken_off_set, cnt);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1469 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1470
0 a61af66fc99e Initial load duke parents: diff changeset	1471 uint inc_not_taken() {
a61af66fc99e Initial load duke parents: diff changeset	1472 uint cnt = not_taken() + 1;
a61af66fc99e Initial load duke parents: diff changeset	1473 // Did we wrap? Will compiler screw us??
a61af66fc99e Initial load duke parents: diff changeset	1474 if (cnt == 0) cnt--;
a61af66fc99e Initial load duke parents: diff changeset	1475 set_uint_at(not_taken_off_set, cnt);
a61af66fc99e Initial load duke parents: diff changeset	1476 return cnt;
a61af66fc99e Initial load duke parents: diff changeset	1477 }
a61af66fc99e Initial load duke parents: diff changeset	1478
a61af66fc99e Initial load duke parents: diff changeset	1479 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1480 static ByteSize not_taken_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1481 return cell_offset(not_taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1482 }
a61af66fc99e Initial load duke parents: diff changeset	1483 static ByteSize branch_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1484 return cell_offset(branch_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	1485 }
a61af66fc99e Initial load duke parents: diff changeset	1486
a61af66fc99e Initial load duke parents: diff changeset	1487 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1488 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1489
a61af66fc99e Initial load duke parents: diff changeset	1490 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1491 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1492 #endif
a61af66fc99e Initial load duke parents: diff changeset	1493 };
a61af66fc99e Initial load duke parents: diff changeset	1494
a61af66fc99e Initial load duke parents: diff changeset	1495 // ArrayData
a61af66fc99e Initial load duke parents: diff changeset	1496 //
a61af66fc99e Initial load duke parents: diff changeset	1497 // A ArrayData is a base class for accessing profiling data which does
a61af66fc99e Initial load duke parents: diff changeset	1498 // not have a statically known size. It consists of an array length
a61af66fc99e Initial load duke parents: diff changeset	1499 // and an array start.
a61af66fc99e Initial load duke parents: diff changeset	1500 class ArrayData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	1501 protected:
a61af66fc99e Initial load duke parents: diff changeset	1502 friend class DataLayout;
a61af66fc99e Initial load duke parents: diff changeset	1503
a61af66fc99e Initial load duke parents: diff changeset	1504 enum {
a61af66fc99e Initial load duke parents: diff changeset	1505 array_len_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1506 array_start_off_set
a61af66fc99e Initial load duke parents: diff changeset	1507 };
a61af66fc99e Initial load duke parents: diff changeset	1508
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1509 uint array_uint_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1510 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1511 return uint_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1512 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1513 int array_int_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1514 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1515 return int_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1516 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1517 oop array_oop_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1518 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1519 return oop_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1520 }
a61af66fc99e Initial load duke parents: diff changeset	1521 void array_set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	1522 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1523 set_int_at(aindex, value);
a61af66fc99e Initial load duke parents: diff changeset	1524 }
a61af66fc99e Initial load duke parents: diff changeset	1525
a61af66fc99e Initial load duke parents: diff changeset	1526 // Code generation support for subclasses.
a61af66fc99e Initial load duke parents: diff changeset	1527 static ByteSize array_element_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	1528 return cell_offset(array_start_off_set + index);
a61af66fc99e Initial load duke parents: diff changeset	1529 }
a61af66fc99e Initial load duke parents: diff changeset	1530
a61af66fc99e Initial load duke parents: diff changeset	1531 public:
a61af66fc99e Initial load duke parents: diff changeset	1532 ArrayData(DataLayout* layout) : ProfileData(layout) {}
a61af66fc99e Initial load duke parents: diff changeset	1533
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1534 virtual bool is_ArrayData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1535
a61af66fc99e Initial load duke parents: diff changeset	1536 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1537 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1538 }
a61af66fc99e Initial load duke parents: diff changeset	1539
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1540 int array_len() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1541 return int_at_unchecked(array_len_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1542 }
a61af66fc99e Initial load duke parents: diff changeset	1543
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1544 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1545 return array_len() + 1;
a61af66fc99e Initial load duke parents: diff changeset	1546 }
a61af66fc99e Initial load duke parents: diff changeset	1547
a61af66fc99e Initial load duke parents: diff changeset	1548 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1549 static ByteSize array_len_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1550 return cell_offset(array_len_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1551 }
a61af66fc99e Initial load duke parents: diff changeset	1552 static ByteSize array_start_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1553 return cell_offset(array_start_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1554 }
a61af66fc99e Initial load duke parents: diff changeset	1555 };
a61af66fc99e Initial load duke parents: diff changeset	1556
a61af66fc99e Initial load duke parents: diff changeset	1557 // MultiBranchData
a61af66fc99e Initial load duke parents: diff changeset	1558 //
a61af66fc99e Initial load duke parents: diff changeset	1559 // A MultiBranchData is used to access profiling information for
a61af66fc99e Initial load duke parents: diff changeset	1560 // a multi-way branch (*switch bytecodes). It consists of a series
a61af66fc99e Initial load duke parents: diff changeset	1561 // of (count, displacement) pairs, which count the number of times each
a61af66fc99e Initial load duke parents: diff changeset	1562 // case was taken and specify the data displacment for each branch target.
a61af66fc99e Initial load duke parents: diff changeset	1563 class MultiBranchData : public ArrayData {
a61af66fc99e Initial load duke parents: diff changeset	1564 protected:
a61af66fc99e Initial load duke parents: diff changeset	1565 enum {
a61af66fc99e Initial load duke parents: diff changeset	1566 default_count_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1567 default_disaplacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1568 case_array_start
a61af66fc99e Initial load duke parents: diff changeset	1569 };
a61af66fc99e Initial load duke parents: diff changeset	1570 enum {
a61af66fc99e Initial load duke parents: diff changeset	1571 relative_count_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1572 relative_displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1573 per_case_cell_count
a61af66fc99e Initial load duke parents: diff changeset	1574 };
a61af66fc99e Initial load duke parents: diff changeset	1575
a61af66fc99e Initial load duke parents: diff changeset	1576 void set_default_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1577 array_set_int_at(default_disaplacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	1578 }
a61af66fc99e Initial load duke parents: diff changeset	1579 void set_displacement_at(int index, int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1580 array_set_int_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1581 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1582 relative_displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1583 displacement);
a61af66fc99e Initial load duke parents: diff changeset	1584 }
a61af66fc99e Initial load duke parents: diff changeset	1585
a61af66fc99e Initial load duke parents: diff changeset	1586 public:
a61af66fc99e Initial load duke parents: diff changeset	1587 MultiBranchData(DataLayout* layout) : ArrayData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1588 assert(layout->tag() == DataLayout::multi_branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1589 }
a61af66fc99e Initial load duke parents: diff changeset	1590
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1591 virtual bool is_MultiBranchData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1592
a61af66fc99e Initial load duke parents: diff changeset	1593 static int compute_cell_count(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	1594
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1595 int number_of_cases() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1596 int alen = array_len() - 2; // get rid of default case here.
a61af66fc99e Initial load duke parents: diff changeset	1597 assert(alen % per_case_cell_count == 0, "must be even");
a61af66fc99e Initial load duke parents: diff changeset	1598 return (alen / per_case_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	1599 }
a61af66fc99e Initial load duke parents: diff changeset	1600
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1601 uint default_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1602 return array_uint_at(default_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1603 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1604 int default_displacement() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1605 return array_int_at(default_disaplacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1606 }
a61af66fc99e Initial load duke parents: diff changeset	1607
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1608 uint count_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1609 return array_uint_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1610 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1611 relative_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1612 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1613 int displacement_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1614 return array_int_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1615 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1616 relative_displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1617 }
a61af66fc99e Initial load duke parents: diff changeset	1618
a61af66fc99e Initial load duke parents: diff changeset	1619 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1620 static ByteSize default_count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1621 return array_element_offset(default_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1622 }
a61af66fc99e Initial load duke parents: diff changeset	1623 static ByteSize default_displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1624 return array_element_offset(default_disaplacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1625 }
a61af66fc99e Initial load duke parents: diff changeset	1626 static ByteSize case_count_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	1627 return case_array_offset() +
a61af66fc99e Initial load duke parents: diff changeset	1628 (per_case_size() * index) +
a61af66fc99e Initial load duke parents: diff changeset	1629 relative_count_offset();
a61af66fc99e Initial load duke parents: diff changeset	1630 }
a61af66fc99e Initial load duke parents: diff changeset	1631 static ByteSize case_array_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1632 return array_element_offset(case_array_start);
a61af66fc99e Initial load duke parents: diff changeset	1633 }
a61af66fc99e Initial load duke parents: diff changeset	1634 static ByteSize per_case_size() {
a61af66fc99e Initial load duke parents: diff changeset	1635 return in_ByteSize(per_case_cell_count) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1636 }
a61af66fc99e Initial load duke parents: diff changeset	1637 static ByteSize relative_count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1638 return in_ByteSize(relative_count_off_set) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1639 }
a61af66fc99e Initial load duke parents: diff changeset	1640 static ByteSize relative_displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1641 return in_ByteSize(relative_displacement_off_set) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1642 }
a61af66fc99e Initial load duke parents: diff changeset	1643
a61af66fc99e Initial load duke parents: diff changeset	1644 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1645 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1646
a61af66fc99e Initial load duke parents: diff changeset	1647 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1648 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1649 #endif
a61af66fc99e Initial load duke parents: diff changeset	1650 };
a61af66fc99e Initial load duke parents: diff changeset	1651
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1652 class ArgInfoData : public ArrayData {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1653
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1654 public:
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1655 ArgInfoData(DataLayout* layout) : ArrayData(layout) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1656 assert(layout->tag() == DataLayout::arg_info_data_tag, "wrong type");
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1657 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1658
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1659 virtual bool is_ArgInfoData() const { return true; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1660
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1661
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1662 int number_of_args() const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1663 return array_len();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1664 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1665
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1666 uint arg_modified(int arg) const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1667 return array_uint_at(arg);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1668 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1669
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1670 void set_arg_modified(int arg, uint val) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1671 array_set_int_at(arg, val);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1672 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1673
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1674 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1675 void print_data_on(outputStream* st, const char* extra = NULL) const;
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1676 #endif
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1677 };
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1678
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1679 // ParametersTypeData
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1680 //
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1681 // A ParametersTypeData is used to access profiling information about
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1682 // types of parameters to a method
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1683 class ParametersTypeData : public ArrayData {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1684
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1685 private:
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1686 TypeStackSlotEntries _parameters;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1687
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1688 static int stack_slot_local_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1689 assert_profiling_enabled();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1690 return array_start_off_set + TypeStackSlotEntries::stack_slot_local_offset(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1691 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1692
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1693 static int type_local_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1694 assert_profiling_enabled();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1695 return array_start_off_set + TypeStackSlotEntries::type_local_offset(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1696 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1697
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1698 static bool profiling_enabled();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1699 static void assert_profiling_enabled() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1700 assert(profiling_enabled(), "method parameters profiling should be on");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1701 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1702
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1703 public:
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1704 ParametersTypeData(DataLayout* layout) : ArrayData(layout), _parameters(1, number_of_parameters()) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1705 assert(layout->tag() == DataLayout::parameters_type_data_tag, "wrong type");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1706 // Some compilers (VC++) don't want this passed in member initialization list
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1707 _parameters.set_profile_data(this);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1708 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1709
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1710 static int compute_cell_count(Method* m);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1711
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1712 virtual bool is_ParametersTypeData() const { return true; }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1713
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1714 virtual void post_initialize(BytecodeStream* stream, MethodData* mdo);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1715
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1716 int number_of_parameters() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1717 return array_len() / TypeStackSlotEntries::per_arg_count();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1718 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1719
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1720 const TypeStackSlotEntries* parameters() const { return &_parameters; }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1721
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1722 uint stack_slot(int i) const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1723 return _parameters.stack_slot(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1724 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1725
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1726 void set_type(int i, Klass* k) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1727 intptr_t current = _parameters.type(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1728 _parameters.set_type(i, TypeEntries::with_status((intptr_t)k, current));
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1729 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1730
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1731 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1732 _parameters.clean_weak_klass_links(is_alive_closure);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1733 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1734
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1735 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1736 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1737 #endif
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1738
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1739 static ByteSize stack_slot_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1740 return cell_offset(stack_slot_local_offset(i));
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1741 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1742
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1743 static ByteSize type_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1744 return cell_offset(type_local_offset(i));
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1745 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1746 };
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1747
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1748 // SpeculativeTrapData
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1749 //
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1750 // A SpeculativeTrapData is used to record traps due to type
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1751 // speculation. It records the root of the compilation: that type
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1752 // speculation is wrong in the context of one compilation (for
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1753 // method1) doesn't mean it's wrong in the context of another one (for
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1754 // method2). Type speculation could have more/different data in the
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1755 // context of the compilation of method2 and it's worthwhile to try an
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1756 // optimization that failed for compilation of method1 in the context
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1757 // of compilation of method2.
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1758 // Space for SpeculativeTrapData entries is allocated from the extra
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1759 // data space in the MDO. If we run out of space, the trap data for
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1760 // the ProfileData at that bci is updated.
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1761 class SpeculativeTrapData : public ProfileData {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1762 protected:
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1763 enum {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1764 method_offset,
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1765 speculative_trap_cell_count
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1766 };
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1767 public:
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1768 SpeculativeTrapData(DataLayout* layout) : ProfileData(layout) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1769 assert(layout->tag() == DataLayout::speculative_trap_data_tag, "wrong type");
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1770 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1771
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1772 virtual bool is_SpeculativeTrapData() const { return true; }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1773
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1774 static int static_cell_count() {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1775 return speculative_trap_cell_count;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1776 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1777
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1778 virtual int cell_count() const {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1779 return static_cell_count();
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1780 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1781
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1782 // Direct accessor
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1783 Method* method() const {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1784 return (Method*)intptr_at(method_offset);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1785 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1786
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1787 void set_method(Method* m) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1788 set_intptr_at(method_offset, (intptr_t)m);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1789 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1790
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1791 #ifndef PRODUCT
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1792 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1793 #endif
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1794 };
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1795
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1796 // MethodData*
0 a61af66fc99e Initial load duke parents: diff changeset	1797 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1798 // A MethodData* holds information which has been collected about
0 a61af66fc99e Initial load duke parents: diff changeset	1799 // a method. Its layout looks like this:
a61af66fc99e Initial load duke parents: diff changeset	1800 //
a61af66fc99e Initial load duke parents: diff changeset	1801 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1802 // \| header \|
a61af66fc99e Initial load duke parents: diff changeset	1803 // \| klass \|
a61af66fc99e Initial load duke parents: diff changeset	1804 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1805 // \| method \|
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1806 // \| size of the MethodData* \|
0 a61af66fc99e Initial load duke parents: diff changeset	1807 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1808 // \| Data entries... \|
a61af66fc99e Initial load duke parents: diff changeset	1809 // \| (variable size) \|
a61af66fc99e Initial load duke parents: diff changeset	1810 // \| \|
a61af66fc99e Initial load duke parents: diff changeset	1811 // . .
a61af66fc99e Initial load duke parents: diff changeset	1812 // . .
a61af66fc99e Initial load duke parents: diff changeset	1813 // . .
a61af66fc99e Initial load duke parents: diff changeset	1814 // \| \|
a61af66fc99e Initial load duke parents: diff changeset	1815 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1816 //
a61af66fc99e Initial load duke parents: diff changeset	1817 // The data entry area is a heterogeneous array of DataLayouts. Each
a61af66fc99e Initial load duke parents: diff changeset	1818 // DataLayout in the array corresponds to a specific bytecode in the
a61af66fc99e Initial load duke parents: diff changeset	1819 // method. The entries in the array are sorted by the corresponding
a61af66fc99e Initial load duke parents: diff changeset	1820 // bytecode. Access to the data is via resource-allocated ProfileData,
a61af66fc99e Initial load duke parents: diff changeset	1821 // which point to the underlying blocks of DataLayout structures.
a61af66fc99e Initial load duke parents: diff changeset	1822 //
a61af66fc99e Initial load duke parents: diff changeset	1823 // During interpretation, if profiling in enabled, the interpreter
a61af66fc99e Initial load duke parents: diff changeset	1824 // maintains a method data pointer (mdp), which points at the entry
a61af66fc99e Initial load duke parents: diff changeset	1825 // in the array corresponding to the current bci. In the course of
a61af66fc99e Initial load duke parents: diff changeset	1826 // intepretation, when a bytecode is encountered that has profile data
a61af66fc99e Initial load duke parents: diff changeset	1827 // associated with it, the entry pointed to by mdp is updated, then the
a61af66fc99e Initial load duke parents: diff changeset	1828 // mdp is adjusted to point to the next appropriate DataLayout. If mdp
a61af66fc99e Initial load duke parents: diff changeset	1829 // is NULL to begin with, the interpreter assumes that the current method
a61af66fc99e Initial load duke parents: diff changeset	1830 // is not (yet) being profiled.
a61af66fc99e Initial load duke parents: diff changeset	1831 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1832 // In MethodData* parlance, "dp" is a "data pointer", the actual address
0 a61af66fc99e Initial load duke parents: diff changeset	1833 // of a DataLayout element. A "di" is a "data index", the offset in bytes
a61af66fc99e Initial load duke parents: diff changeset	1834 // from the base of the data entry array. A "displacement" is the byte offset
a61af66fc99e Initial load duke parents: diff changeset	1835 // in certain ProfileData objects that indicate the amount the mdp must be
a61af66fc99e Initial load duke parents: diff changeset	1836 // adjusted in the event of a change in control flow.
a61af66fc99e Initial load duke parents: diff changeset	1837 //
a61af66fc99e Initial load duke parents: diff changeset	1838
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1839 class MethodData : public Metadata {
0 a61af66fc99e Initial load duke parents: diff changeset	1840 friend class VMStructs;
a61af66fc99e Initial load duke parents: diff changeset	1841 private:
a61af66fc99e Initial load duke parents: diff changeset	1842 friend class ProfileData;
a61af66fc99e Initial load duke parents: diff changeset	1843
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1844 // Back pointer to the Method*
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1845 Method* _method;
0 a61af66fc99e Initial load duke parents: diff changeset	1846
a61af66fc99e Initial load duke parents: diff changeset	1847 // Size of this oop in bytes
a61af66fc99e Initial load duke parents: diff changeset	1848 int _size;
a61af66fc99e Initial load duke parents: diff changeset	1849
a61af66fc99e Initial load duke parents: diff changeset	1850 // Cached hint for bci_to_dp and bci_to_data
a61af66fc99e Initial load duke parents: diff changeset	1851 int _hint_di;
a61af66fc99e Initial load duke parents: diff changeset	1852
17733 1a43981d86ea 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90 roland parents: 17728 diff changeset	1853 Mutex _extra_data_lock;
1a43981d86ea 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90 roland parents: 17728 diff changeset	1854
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1855 MethodData(methodHandle method, int size, TRAPS);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1856 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1857 static MethodData* allocate(ClassLoaderData* loader_data, methodHandle method, TRAPS);
17733 1a43981d86ea 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90 roland parents: 17728 diff changeset	1858 MethodData() : _extra_data_lock(Monitor::leaf, "MDO extra data lock") {}; // For ciMethodData
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1859
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1860 bool is_methodData() const volatile { return true; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1861
0 a61af66fc99e Initial load duke parents: diff changeset	1862 // Whole-method sticky bits and flags
a61af66fc99e Initial load duke parents: diff changeset	1863 enum {
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1864 _trap_hist_limit = 18, // decoupled from Deoptimization::Reason_LIMIT
0 a61af66fc99e Initial load duke parents: diff changeset	1865 _trap_hist_mask = max_jubyte,
a61af66fc99e Initial load duke parents: diff changeset	1866 _extra_data_count = 4 // extra DataLayout headers, for trap history
a61af66fc99e Initial load duke parents: diff changeset	1867 }; // Public flag values
a61af66fc99e Initial load duke parents: diff changeset	1868 private:
a61af66fc99e Initial load duke parents: diff changeset	1869 uint _nof_decompiles; // count of all nmethod removals
a61af66fc99e Initial load duke parents: diff changeset	1870 uint _nof_overflow_recompiles; // recompile count, excluding recomp. bits
a61af66fc99e Initial load duke parents: diff changeset	1871 uint _nof_overflow_traps; // trap count, excluding _trap_hist
a61af66fc99e Initial load duke parents: diff changeset	1872 union {
a61af66fc99e Initial load duke parents: diff changeset	1873 intptr_t _align;
a61af66fc99e Initial load duke parents: diff changeset	1874 u1 _array[_trap_hist_limit];
a61af66fc99e Initial load duke parents: diff changeset	1875 } _trap_hist;
a61af66fc99e Initial load duke parents: diff changeset	1876
a61af66fc99e Initial load duke parents: diff changeset	1877 // Support for interprocedural escape analysis, from Thomas Kotzmann.
a61af66fc99e Initial load duke parents: diff changeset	1878 intx _eflags; // flags on escape information
a61af66fc99e Initial load duke parents: diff changeset	1879 intx _arg_local; // bit set of non-escaping arguments
a61af66fc99e Initial load duke parents: diff changeset	1880 intx _arg_stack; // bit set of stack-allocatable arguments
a61af66fc99e Initial load duke parents: diff changeset	1881 intx _arg_returned; // bit set of returned arguments
a61af66fc99e Initial load duke parents: diff changeset	1882
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1883 int _creation_mileage; // method mileage at MDO creation
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1884
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1885 // How many invocations has this MDO seen?
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1886 // These counters are used to determine the exact age of MDO.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1887 // We need those because in tiered a method can be concurrently
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1888 // executed at different levels.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1889 InvocationCounter _invocation_counter;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1890 // Same for backedges.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1891 InvocationCounter _backedge_counter;
2252 72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1892 // Counter values at the time profiling started.
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1893 int _invocation_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1894 int _backedge_counter_start;
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1895 // Number of loops and blocks is computed when compiling the first
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1896 // time with C1. It is used to determine if method is trivial.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1897 short _num_loops;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1898 short _num_blocks;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1899 // Highest compile level this method has ever seen.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1900 u1 _highest_comp_level;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1901 // Same for OSR level
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1902 u1 _highest_osr_comp_level;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1903 // Does this method contain anything worth profiling?
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1904 bool _would_profile;
0 a61af66fc99e Initial load duke parents: diff changeset	1905
a61af66fc99e Initial load duke parents: diff changeset	1906 // Size of _data array in bytes. (Excludes header and extra_data fields.)
a61af66fc99e Initial load duke parents: diff changeset	1907 int _data_size;
a61af66fc99e Initial load duke parents: diff changeset	1908
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1909 // data index for the area dedicated to parameters. -1 if no
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1910 // parameter profiling.
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1911 int _parameters_type_data_di;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1912
0 a61af66fc99e Initial load duke parents: diff changeset	1913 // Beginning of the data entries
a61af66fc99e Initial load duke parents: diff changeset	1914 intptr_t _data[1];
a61af66fc99e Initial load duke parents: diff changeset	1915
a61af66fc99e Initial load duke parents: diff changeset	1916 // Helper for size computation
a61af66fc99e Initial load duke parents: diff changeset	1917 static int compute_data_size(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	1918 static int bytecode_cell_count(Bytecodes::Code code);
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1919 static bool is_speculative_trap_bytecode(Bytecodes::Code code);
0 a61af66fc99e Initial load duke parents: diff changeset	1920 enum { no_profile_data = -1, variable_cell_count = -2 };
a61af66fc99e Initial load duke parents: diff changeset	1921
a61af66fc99e Initial load duke parents: diff changeset	1922 // Helper for initialization
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1923 DataLayout* data_layout_at(int data_index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1924 assert(data_index % sizeof(intptr_t) == 0, "unaligned");
a61af66fc99e Initial load duke parents: diff changeset	1925 return (DataLayout*) (((address)_data) + data_index);
a61af66fc99e Initial load duke parents: diff changeset	1926 }
a61af66fc99e Initial load duke parents: diff changeset	1927
a61af66fc99e Initial load duke parents: diff changeset	1928 // Initialize an individual data segment. Returns the size of
a61af66fc99e Initial load duke parents: diff changeset	1929 // the segment in bytes.
a61af66fc99e Initial load duke parents: diff changeset	1930 int initialize_data(BytecodeStream* stream, int data_index);
a61af66fc99e Initial load duke parents: diff changeset	1931
a61af66fc99e Initial load duke parents: diff changeset	1932 // Helper for data_at
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1933 DataLayout* limit_data_position() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1934 return (DataLayout*)((address)data_base() + _data_size);
a61af66fc99e Initial load duke parents: diff changeset	1935 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1936 bool out_of_bounds(int data_index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1937 return data_index >= data_size();
a61af66fc99e Initial load duke parents: diff changeset	1938 }
a61af66fc99e Initial load duke parents: diff changeset	1939
a61af66fc99e Initial load duke parents: diff changeset	1940 // Give each of the data entries a chance to perform specific
a61af66fc99e Initial load duke parents: diff changeset	1941 // data initialization.
a61af66fc99e Initial load duke parents: diff changeset	1942 void post_initialize(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	1943
a61af66fc99e Initial load duke parents: diff changeset	1944 // hint accessors
a61af66fc99e Initial load duke parents: diff changeset	1945 int hint_di() const { return _hint_di; }
a61af66fc99e Initial load duke parents: diff changeset	1946 void set_hint_di(int di) {
a61af66fc99e Initial load duke parents: diff changeset	1947 assert(!out_of_bounds(di), "hint_di out of bounds");
a61af66fc99e Initial load duke parents: diff changeset	1948 _hint_di = di;
a61af66fc99e Initial load duke parents: diff changeset	1949 }
a61af66fc99e Initial load duke parents: diff changeset	1950 ProfileData* data_before(int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1951 // avoid SEGV on this edge case
a61af66fc99e Initial load duke parents: diff changeset	1952 if (data_size() == 0)
a61af66fc99e Initial load duke parents: diff changeset	1953 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1954 int hint = hint_di();
a61af66fc99e Initial load duke parents: diff changeset	1955 if (data_layout_at(hint)->bci() <= bci)
a61af66fc99e Initial load duke parents: diff changeset	1956 return data_at(hint);
a61af66fc99e Initial load duke parents: diff changeset	1957 return first_data();
a61af66fc99e Initial load duke parents: diff changeset	1958 }
a61af66fc99e Initial load duke parents: diff changeset	1959
a61af66fc99e Initial load duke parents: diff changeset	1960 // What is the index of the first data entry?
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1961 int first_di() const { return 0; }
0 a61af66fc99e Initial load duke parents: diff changeset	1962
17733 1a43981d86ea 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90 roland parents: 17728 diff changeset	1963 ProfileData* bci_to_extra_data_helper(int bci, Method* m, DataLayout*& dp, bool concurrent);
0 a61af66fc99e Initial load duke parents: diff changeset	1964 // Find or create an extra ProfileData:
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1965 ProfileData* bci_to_extra_data(int bci, Method* m, bool create_if_missing);
0 a61af66fc99e Initial load duke parents: diff changeset	1966
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1967 // return the argument info cell
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1968 ArgInfoData *arg_info();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1969
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1970 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1971 no_type_profile = 0,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1972 type_profile_jsr292 = 1,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1973 type_profile_all = 2
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1974 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1975
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1976 static bool profile_jsr292(methodHandle m, int bci);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1977 static int profile_arguments_flag();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1978 static bool profile_arguments_jsr292_only();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1979 static bool profile_all_arguments();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1980 static bool profile_arguments_for_invoke(methodHandle m, int bci);
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1981 static int profile_return_flag();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1982 static bool profile_all_return();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1983 static bool profile_return_for_invoke(methodHandle m, int bci);
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1984 static int profile_parameters_flag();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1985 static bool profile_parameters_jsr292_only();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1986 static bool profile_all_parameters();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1987
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1988 void clean_extra_data(BoolObjectClosure* is_alive);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1989 void clean_extra_data_helper(DataLayout* dp, int shift, bool reset = false);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1990 void verify_extra_data_clean(BoolObjectClosure* is_alive);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1991
0 a61af66fc99e Initial load duke parents: diff changeset	1992 public:
a61af66fc99e Initial load duke parents: diff changeset	1993 static int header_size() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1994 return sizeof(MethodData)/wordSize;
0 a61af66fc99e Initial load duke parents: diff changeset	1995 }
a61af66fc99e Initial load duke parents: diff changeset	1996
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1997 // Compute the size of a MethodData* before it is created.
0 a61af66fc99e Initial load duke parents: diff changeset	1998 static int compute_allocation_size_in_bytes(methodHandle method);
a61af66fc99e Initial load duke parents: diff changeset	1999 static int compute_allocation_size_in_words(methodHandle method);
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2000 static int compute_extra_data_count(int data_size, int empty_bc_count, bool needs_speculative_traps);
0 a61af66fc99e Initial load duke parents: diff changeset	2001
a61af66fc99e Initial load duke parents: diff changeset	2002 // Determine if a given bytecode can have profile information.
a61af66fc99e Initial load duke parents: diff changeset	2003 static bool bytecode_has_profile(Bytecodes::Code code) {
a61af66fc99e Initial load duke parents: diff changeset	2004 return bytecode_cell_count(code) != no_profile_data;
a61af66fc99e Initial load duke parents: diff changeset	2005 }
a61af66fc99e Initial load duke parents: diff changeset	2006
9080 b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	2007 // reset into original state
b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	2008 void init();
0 a61af66fc99e Initial load duke parents: diff changeset	2009
a61af66fc99e Initial load duke parents: diff changeset	2010 // My size
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2011 int size_in_bytes() const { return _size; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2012 int size() const { return align_object_size(align_size_up(_size, BytesPerWord)/BytesPerWord); }
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2013 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2014 void collect_statistics(KlassSizeStats *sz) const;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2015 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	2016
a61af66fc99e Initial load duke parents: diff changeset	2017 int creation_mileage() const { return _creation_mileage; }
a61af66fc99e Initial load duke parents: diff changeset	2018 void set_creation_mileage(int x) { _creation_mileage = x; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2019
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2020 int invocation_count() {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2021 if (invocation_counter()->carry()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2022 return InvocationCounter::count_limit;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2023 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2024 return invocation_counter()->count();
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2025 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2026 int backedge_count() {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2027 if (backedge_counter()->carry()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2028 return InvocationCounter::count_limit;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2029 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2030 return backedge_counter()->count();
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2031 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2032
2252 72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2033 int invocation_count_start() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2034 if (invocation_counter()->carry()) {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2035 return 0;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2036 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2037 return _invocation_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2038 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2039
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2040 int backedge_count_start() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2041 if (backedge_counter()->carry()) {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2042 return 0;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2043 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2044 return _backedge_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2045 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2046
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2047 int invocation_count_delta() { return invocation_count() - invocation_count_start(); }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2048 int backedge_count_delta() { return backedge_count() - backedge_count_start(); }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2049
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2050 void reset_start_counters() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2051 _invocation_counter_start = invocation_count();
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2052 _backedge_counter_start = backedge_count();
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2053 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2054
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2055 InvocationCounter* invocation_counter() { return &_invocation_counter; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2056 InvocationCounter* backedge_counter() { return &_backedge_counter; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2057
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2058 void set_would_profile(bool p) { _would_profile = p; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2059 bool would_profile() const { return _would_profile; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2060
10265 92ef81e2f571 8003557: NPG: Klass* const k should be const Klass* k. minqi parents: 9080 diff changeset	2061 int highest_comp_level() const { return _highest_comp_level; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2062 void set_highest_comp_level(int level) { _highest_comp_level = level; }
10265 92ef81e2f571 8003557: NPG: Klass* const k should be const Klass* k. minqi parents: 9080 diff changeset	2063 int highest_osr_comp_level() const { return _highest_osr_comp_level; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2064 void set_highest_osr_comp_level(int level) { _highest_osr_comp_level = level; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2065
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2066 int num_loops() const { return _num_loops; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2067 void set_num_loops(int n) { _num_loops = n; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2068 int num_blocks() const { return _num_blocks; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2069 void set_num_blocks(int n) { _num_blocks = n; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2070
0 a61af66fc99e Initial load duke parents: diff changeset	2071 bool is_mature() const; // consult mileage and ProfileMaturityPercentage
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2072 static int mileage_of(Method* m);
0 a61af66fc99e Initial load duke parents: diff changeset	2073
a61af66fc99e Initial load duke parents: diff changeset	2074 // Support for interprocedural escape analysis, from Thomas Kotzmann.
a61af66fc99e Initial load duke parents: diff changeset	2075 enum EscapeFlag {
a61af66fc99e Initial load duke parents: diff changeset	2076 estimated = 1 << 0,
78 e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2077 return_local = 1 << 1,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2078 return_allocated = 1 << 2,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2079 allocated_escapes = 1 << 3,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2080 unknown_modified = 1 << 4
0 a61af66fc99e Initial load duke parents: diff changeset	2081 };
a61af66fc99e Initial load duke parents: diff changeset	2082
a61af66fc99e Initial load duke parents: diff changeset	2083 intx eflags() { return _eflags; }
a61af66fc99e Initial load duke parents: diff changeset	2084 intx arg_local() { return _arg_local; }
a61af66fc99e Initial load duke parents: diff changeset	2085 intx arg_stack() { return _arg_stack; }
a61af66fc99e Initial load duke parents: diff changeset	2086 intx arg_returned() { return _arg_returned; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2087 uint arg_modified(int a) { ArgInfoData *aid = arg_info();
9080 b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	2088 assert(aid != NULL, "arg_info must be not null");
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2089 assert(a >= 0 && a < aid->number_of_args(), "valid argument number");
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2090 return aid->arg_modified(a); }
0 a61af66fc99e Initial load duke parents: diff changeset	2091
a61af66fc99e Initial load duke parents: diff changeset	2092 void set_eflags(intx v) { _eflags = v; }
a61af66fc99e Initial load duke parents: diff changeset	2093 void set_arg_local(intx v) { _arg_local = v; }
a61af66fc99e Initial load duke parents: diff changeset	2094 void set_arg_stack(intx v) { _arg_stack = v; }
a61af66fc99e Initial load duke parents: diff changeset	2095 void set_arg_returned(intx v) { _arg_returned = v; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2096 void set_arg_modified(int a, uint v) { ArgInfoData *aid = arg_info();
9080 b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	2097 assert(aid != NULL, "arg_info must be not null");
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2098 assert(a >= 0 && a < aid->number_of_args(), "valid argument number");
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2099 aid->set_arg_modified(a, v); }
0 a61af66fc99e Initial load duke parents: diff changeset	2100
a61af66fc99e Initial load duke parents: diff changeset	2101 void clear_escape_info() { _eflags = _arg_local = _arg_stack = _arg_returned = 0; }
a61af66fc99e Initial load duke parents: diff changeset	2102
a61af66fc99e Initial load duke parents: diff changeset	2103 // Location and size of data area
a61af66fc99e Initial load duke parents: diff changeset	2104 address data_base() const {
a61af66fc99e Initial load duke parents: diff changeset	2105 return (address) _data;
a61af66fc99e Initial load duke parents: diff changeset	2106 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2107 int data_size() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2108 return _data_size;
a61af66fc99e Initial load duke parents: diff changeset	2109 }
a61af66fc99e Initial load duke parents: diff changeset	2110
a61af66fc99e Initial load duke parents: diff changeset	2111 // Accessors
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2112 Method* method() const { return _method; }
0 a61af66fc99e Initial load duke parents: diff changeset	2113
a61af66fc99e Initial load duke parents: diff changeset	2114 // Get the data at an arbitrary (sort of) data index.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2115 ProfileData* data_at(int data_index) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2116
a61af66fc99e Initial load duke parents: diff changeset	2117 // Walk through the data in order.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2118 ProfileData* first_data() const { return data_at(first_di()); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2119 ProfileData* next_data(ProfileData* current) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2120 bool is_valid(ProfileData* current) const { return current != NULL; }
0 a61af66fc99e Initial load duke parents: diff changeset	2121
a61af66fc99e Initial load duke parents: diff changeset	2122 // Convert a dp (data pointer) to a di (data index).
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2123 int dp_to_di(address dp) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2124 return dp - ((address)_data);
a61af66fc99e Initial load duke parents: diff changeset	2125 }
a61af66fc99e Initial load duke parents: diff changeset	2126
a61af66fc99e Initial load duke parents: diff changeset	2127 address di_to_dp(int di) {
a61af66fc99e Initial load duke parents: diff changeset	2128 return (address)data_layout_at(di);
a61af66fc99e Initial load duke parents: diff changeset	2129 }
a61af66fc99e Initial load duke parents: diff changeset	2130
a61af66fc99e Initial load duke parents: diff changeset	2131 // bci to di/dp conversion.
a61af66fc99e Initial load duke parents: diff changeset	2132 address bci_to_dp(int bci);
a61af66fc99e Initial load duke parents: diff changeset	2133 int bci_to_di(int bci) {
a61af66fc99e Initial load duke parents: diff changeset	2134 return dp_to_di(bci_to_dp(bci));
a61af66fc99e Initial load duke parents: diff changeset	2135 }
a61af66fc99e Initial load duke parents: diff changeset	2136
a61af66fc99e Initial load duke parents: diff changeset	2137 // Get the data at an arbitrary bci, or NULL if there is none.
a61af66fc99e Initial load duke parents: diff changeset	2138 ProfileData* bci_to_data(int bci);
a61af66fc99e Initial load duke parents: diff changeset	2139
a61af66fc99e Initial load duke parents: diff changeset	2140 // Same, but try to create an extra_data record if one is needed:
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2141 ProfileData* allocate_bci_to_data(int bci, Method* m) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2142 ProfileData* data = NULL;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2143 // If m not NULL, try to allocate a SpeculativeTrapData entry
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2144 if (m == NULL) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2145 data = bci_to_data(bci);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2146 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2147 if (data != NULL) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2148 return data;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2149 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2150 data = bci_to_extra_data(bci, m, true);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2151 if (data != NULL) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2152 return data;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2153 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2154 // If SpeculativeTrapData allocation fails try to allocate a
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2155 // regular entry
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2156 data = bci_to_data(bci);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2157 if (data != NULL) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2158 return data;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2159 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2160 return bci_to_extra_data(bci, NULL, true);
0 a61af66fc99e Initial load duke parents: diff changeset	2161 }
a61af66fc99e Initial load duke parents: diff changeset	2162
a61af66fc99e Initial load duke parents: diff changeset	2163 // Add a handful of extra data records, for trap tracking.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2164 DataLayout* extra_data_base() const { return limit_data_position(); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2165 DataLayout* extra_data_limit() const { return (DataLayout*)((address)this + size_in_bytes()); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2166 int extra_data_size() const { return (address)extra_data_limit()
0 a61af66fc99e Initial load duke parents: diff changeset	2167 - (address)extra_data_base(); }
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2168 static DataLayout* next_extra(DataLayout* dp);
0 a61af66fc99e Initial load duke parents: diff changeset	2169
a61af66fc99e Initial load duke parents: diff changeset	2170 // Return (uint)-1 for overflow.
a61af66fc99e Initial load duke parents: diff changeset	2171 uint trap_count(int reason) const {
a61af66fc99e Initial load duke parents: diff changeset	2172 assert((uint)reason < _trap_hist_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	2173 return (int)((_trap_hist._array[reason]+1) & _trap_hist_mask) - 1;
a61af66fc99e Initial load duke parents: diff changeset	2174 }
a61af66fc99e Initial load duke parents: diff changeset	2175 // For loops:
a61af66fc99e Initial load duke parents: diff changeset	2176 static uint trap_reason_limit() { return _trap_hist_limit; }
a61af66fc99e Initial load duke parents: diff changeset	2177 static uint trap_count_limit() { return _trap_hist_mask; }
a61af66fc99e Initial load duke parents: diff changeset	2178 uint inc_trap_count(int reason) {
a61af66fc99e Initial load duke parents: diff changeset	2179 // Count another trap, anywhere in this method.
a61af66fc99e Initial load duke parents: diff changeset	2180 assert(reason >= 0, "must be single trap");
a61af66fc99e Initial load duke parents: diff changeset	2181 if ((uint)reason < _trap_hist_limit) {
a61af66fc99e Initial load duke parents: diff changeset	2182 uint cnt1 = 1 + _trap_hist._array[reason];
a61af66fc99e Initial load duke parents: diff changeset	2183 if ((cnt1 & _trap_hist_mask) != 0) { // if no counter overflow...
a61af66fc99e Initial load duke parents: diff changeset	2184 _trap_hist._array[reason] = cnt1;
a61af66fc99e Initial load duke parents: diff changeset	2185 return cnt1;
a61af66fc99e Initial load duke parents: diff changeset	2186 } else {
a61af66fc99e Initial load duke parents: diff changeset	2187 return _trap_hist_mask + (++_nof_overflow_traps);
a61af66fc99e Initial load duke parents: diff changeset	2188 }
a61af66fc99e Initial load duke parents: diff changeset	2189 } else {
a61af66fc99e Initial load duke parents: diff changeset	2190 // Could not represent the count in the histogram.
a61af66fc99e Initial load duke parents: diff changeset	2191 return (++_nof_overflow_traps);
a61af66fc99e Initial load duke parents: diff changeset	2192 }
a61af66fc99e Initial load duke parents: diff changeset	2193 }
a61af66fc99e Initial load duke parents: diff changeset	2194
a61af66fc99e Initial load duke parents: diff changeset	2195 uint overflow_trap_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2196 return _nof_overflow_traps;
a61af66fc99e Initial load duke parents: diff changeset	2197 }
a61af66fc99e Initial load duke parents: diff changeset	2198 uint overflow_recompile_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2199 return _nof_overflow_recompiles;
a61af66fc99e Initial load duke parents: diff changeset	2200 }
a61af66fc99e Initial load duke parents: diff changeset	2201 void inc_overflow_recompile_count() {
a61af66fc99e Initial load duke parents: diff changeset	2202 _nof_overflow_recompiles += 1;
a61af66fc99e Initial load duke parents: diff changeset	2203 }
a61af66fc99e Initial load duke parents: diff changeset	2204 uint decompile_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2205 return _nof_decompiles;
a61af66fc99e Initial load duke parents: diff changeset	2206 }
a61af66fc99e Initial load duke parents: diff changeset	2207 void inc_decompile_count() {
a61af66fc99e Initial load duke parents: diff changeset	2208 _nof_decompiles += 1;
1206 87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation kvn parents: 948 diff changeset	2209 if (decompile_count() > (uint)PerMethodRecompilationCutoff) {
7998 6a51fc70a15e 8006613: adding reason to made_not_compilable vlivanov parents: 6725 diff changeset	2210 method()->set_not_compilable(CompLevel_full_optimization, true, "decompile_count > PerMethodRecompilationCutoff");
1206 87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation kvn parents: 948 diff changeset	2211 }
0 a61af66fc99e Initial load duke parents: diff changeset	2212 }
a61af66fc99e Initial load duke parents: diff changeset	2213
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2214 // Return pointer to area dedicated to parameters in MDO
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2215 ParametersTypeData* parameters_type_data() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2216 return _parameters_type_data_di != -1 ? data_layout_at(_parameters_type_data_di)->data_in()->as_ParametersTypeData() : NULL;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2217 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2218
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2219 int parameters_type_data_di() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2220 assert(_parameters_type_data_di != -1, "no args type data");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2221 return _parameters_type_data_di;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2222 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2223
0 a61af66fc99e Initial load duke parents: diff changeset	2224 // Support for code generation
a61af66fc99e Initial load duke parents: diff changeset	2225 static ByteSize data_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2226 return byte_offset_of(MethodData, _data[0]);
0 a61af66fc99e Initial load duke parents: diff changeset	2227 }
a61af66fc99e Initial load duke parents: diff changeset	2228
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2229 static ByteSize invocation_counter_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2230 return byte_offset_of(MethodData, _invocation_counter);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2231 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2232 static ByteSize backedge_counter_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2233 return byte_offset_of(MethodData, _backedge_counter);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2234 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2235
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2236 static ByteSize parameters_type_data_di_offset() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2237 return byte_offset_of(MethodData, _parameters_type_data_di);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2238 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2239
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2240 // Deallocation support - no pointer fields to deallocate
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2241 void deallocate_contents(ClassLoaderData* loader_data) {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2242
0 a61af66fc99e Initial load duke parents: diff changeset	2243 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2244 void set_size(int object_size_in_bytes) { _size = object_size_in_bytes; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2245
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2246 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2247 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2248 void print_on (outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2249 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2250 void print_value_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2251
a61af66fc99e Initial load duke parents: diff changeset	2252 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2253 // printing support for method data
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2254 void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2255 #endif
a61af66fc99e Initial load duke parents: diff changeset	2256
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2257 const char* internal_name() const { return "{method data}"; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2258
0 a61af66fc99e Initial load duke parents: diff changeset	2259 // verification
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2260 void verify_on(outputStream* st);
0 a61af66fc99e Initial load duke parents: diff changeset	2261 void verify_data_on(outputStream* st);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2262
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2263 static bool profile_parameters_for_method(methodHandle m);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2264 static bool profile_arguments();
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	2265 static bool profile_return();
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2266 static bool profile_parameters();
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	2267 static bool profile_return_jsr292_only();
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2268
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2269 void clean_method_data(BoolObjectClosure* is_alive);
0 a61af66fc99e Initial load duke parents: diff changeset	2270 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	2271
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	2272 #endif // SHARE_VM_OOPS_METHODDATAOOP_HPP

Mercurial > hg > truffle

annotate src/share/vm/oops/methodData.hpp @ 17733:1a43981d86ea