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

annotate src/share/vm/oops/methodData.hpp @ 12882:ce0cc25bc5e2

8026054: New type profiling points: type of return values at calls Summary: x86 interpreter and c1 type profiling for return values at calls Reviewed-by: kvn, twisti

author	roland
date	Sat, 12 Oct 2013 12:12:59 +0200
parents	d13d7aba8c12
children	5ccbab1c69f3

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,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	122 virtual_call_type_data_tag
0 a61af66fc99e Initial load duke parents: diff changeset	123 };
a61af66fc99e Initial load duke parents: diff changeset	124
a61af66fc99e Initial load duke parents: diff changeset	125 enum {
a61af66fc99e Initial load duke parents: diff changeset	126 // The _struct._flags word is formatted as [trap_state:4 \| flags:4].
a61af66fc99e Initial load duke parents: diff changeset	127 // The trap state breaks down further as [recompile:1 \| reason:3].
a61af66fc99e Initial load duke parents: diff changeset	128 // This further breakdown is defined in deoptimization.cpp.
a61af66fc99e Initial load duke parents: diff changeset	129 // See Deoptimization::trap_state_reason for an assert that
a61af66fc99e Initial load duke parents: diff changeset	130 // trap_bits is big enough to hold reasons < Reason_RECORDED_LIMIT.
a61af66fc99e Initial load duke parents: diff changeset	131 //
a61af66fc99e Initial load duke parents: diff changeset	132 // The trap_state is collected only if ProfileTraps is true.
a61af66fc99e Initial load duke parents: diff changeset	133 trap_bits = 1+3, // 3: enough to distinguish [0..Reason_RECORDED_LIMIT].
a61af66fc99e Initial load duke parents: diff changeset	134 trap_shift = BitsPerByte - trap_bits,
a61af66fc99e Initial load duke parents: diff changeset	135 trap_mask = right_n_bits(trap_bits),
a61af66fc99e Initial load duke parents: diff changeset	136 trap_mask_in_place = (trap_mask << trap_shift),
a61af66fc99e Initial load duke parents: diff changeset	137 flag_limit = trap_shift,
a61af66fc99e Initial load duke parents: diff changeset	138 flag_mask = right_n_bits(flag_limit),
a61af66fc99e Initial load duke parents: diff changeset	139 first_flag = 0
a61af66fc99e Initial load duke parents: diff changeset	140 };
a61af66fc99e Initial load duke parents: diff changeset	141
a61af66fc99e Initial load duke parents: diff changeset	142 // Size computation
a61af66fc99e Initial load duke parents: diff changeset	143 static int header_size_in_bytes() {
a61af66fc99e Initial load duke parents: diff changeset	144 return cell_size;
a61af66fc99e Initial load duke parents: diff changeset	145 }
a61af66fc99e Initial load duke parents: diff changeset	146 static int header_size_in_cells() {
a61af66fc99e Initial load duke parents: diff changeset	147 return 1;
a61af66fc99e Initial load duke parents: diff changeset	148 }
a61af66fc99e Initial load duke parents: diff changeset	149
a61af66fc99e Initial load duke parents: diff changeset	150 static int compute_size_in_bytes(int cell_count) {
a61af66fc99e Initial load duke parents: diff changeset	151 return header_size_in_bytes() + cell_count * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	152 }
a61af66fc99e Initial load duke parents: diff changeset	153
a61af66fc99e Initial load duke parents: diff changeset	154 // Initialization
a61af66fc99e Initial load duke parents: diff changeset	155 void initialize(u1 tag, u2 bci, int cell_count);
a61af66fc99e Initial load duke parents: diff changeset	156
a61af66fc99e Initial load duke parents: diff changeset	157 // Accessors
a61af66fc99e Initial load duke parents: diff changeset	158 u1 tag() {
a61af66fc99e Initial load duke parents: diff changeset	159 return _header._struct._tag;
a61af66fc99e Initial load duke parents: diff changeset	160 }
a61af66fc99e Initial load duke parents: diff changeset	161
a61af66fc99e Initial load duke parents: diff changeset	162 // Return a few bits of trap state. Range is [0..trap_mask].
a61af66fc99e Initial load duke parents: diff changeset	163 // The state tells if traps with zero, one, or many reasons have occurred.
a61af66fc99e Initial load duke parents: diff changeset	164 // It also tells whether zero or many recompilations have occurred.
a61af66fc99e Initial load duke parents: diff changeset	165 // The associated trap histogram in the MDO itself tells whether
a61af66fc99e Initial load duke parents: diff changeset	166 // traps are common or not. If a BCI shows that a trap X has
a61af66fc99e Initial load duke parents: diff changeset	167 // occurred, and the MDO shows N occurrences of X, we make the
a61af66fc99e Initial load duke parents: diff changeset	168 // simplifying assumption that all N occurrences can be blamed
a61af66fc99e Initial load duke parents: diff changeset	169 // on that BCI.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	170 int trap_state() const {
0 a61af66fc99e Initial load duke parents: diff changeset	171 return ((_header._struct._flags >> trap_shift) & trap_mask);
a61af66fc99e Initial load duke parents: diff changeset	172 }
a61af66fc99e Initial load duke parents: diff changeset	173
a61af66fc99e Initial load duke parents: diff changeset	174 void set_trap_state(int new_state) {
a61af66fc99e Initial load duke parents: diff changeset	175 assert(ProfileTraps, "used only under +ProfileTraps");
a61af66fc99e Initial load duke parents: diff changeset	176 uint old_flags = (_header._struct._flags & flag_mask);
a61af66fc99e Initial load duke parents: diff changeset	177 _header._struct._flags = (new_state << trap_shift) \| old_flags;
a61af66fc99e Initial load duke parents: diff changeset	178 }
a61af66fc99e Initial load duke parents: diff changeset	179
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	180 u1 flags() const {
0 a61af66fc99e Initial load duke parents: diff changeset	181 return _header._struct._flags;
a61af66fc99e Initial load duke parents: diff changeset	182 }
a61af66fc99e Initial load duke parents: diff changeset	183
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	184 u2 bci() const {
0 a61af66fc99e Initial load duke parents: diff changeset	185 return _header._struct._bci;
a61af66fc99e Initial load duke parents: diff changeset	186 }
a61af66fc99e Initial load duke parents: diff changeset	187
a61af66fc99e Initial load duke parents: diff changeset	188 void set_header(intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	189 _header._bits = value;
a61af66fc99e Initial load duke parents: diff changeset	190 }
a61af66fc99e Initial load duke parents: diff changeset	191 void release_set_header(intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	192 OrderAccess::release_store_ptr(&_header._bits, value);
a61af66fc99e Initial load duke parents: diff changeset	193 }
a61af66fc99e Initial load duke parents: diff changeset	194 intptr_t header() {
a61af66fc99e Initial load duke parents: diff changeset	195 return _header._bits;
a61af66fc99e Initial load duke parents: diff changeset	196 }
a61af66fc99e Initial load duke parents: diff changeset	197 void set_cell_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	198 _cells[index] = value;
a61af66fc99e Initial load duke parents: diff changeset	199 }
a61af66fc99e Initial load duke parents: diff changeset	200 void release_set_cell_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	201 OrderAccess::release_store_ptr(&_cells[index], value);
a61af66fc99e Initial load duke parents: diff changeset	202 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	203 intptr_t cell_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	204 return _cells[index];
a61af66fc99e Initial load duke parents: diff changeset	205 }
a61af66fc99e Initial load duke parents: diff changeset	206
a61af66fc99e Initial load duke parents: diff changeset	207 void set_flag_at(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	208 assert(flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	209 _header._struct._flags \|= (0x1 << flag_number);
a61af66fc99e Initial load duke parents: diff changeset	210 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	211 bool flag_at(int flag_number) const {
0 a61af66fc99e Initial load duke parents: diff changeset	212 assert(flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	213 return (_header._struct._flags & (0x1 << flag_number)) != 0;
a61af66fc99e Initial load duke parents: diff changeset	214 }
a61af66fc99e Initial load duke parents: diff changeset	215
a61af66fc99e Initial load duke parents: diff changeset	216 // Low-level support for code generation.
a61af66fc99e Initial load duke parents: diff changeset	217 static ByteSize header_offset() {
a61af66fc99e Initial load duke parents: diff changeset	218 return byte_offset_of(DataLayout, _header);
a61af66fc99e Initial load duke parents: diff changeset	219 }
a61af66fc99e Initial load duke parents: diff changeset	220 static ByteSize tag_offset() {
a61af66fc99e Initial load duke parents: diff changeset	221 return byte_offset_of(DataLayout, _header._struct._tag);
a61af66fc99e Initial load duke parents: diff changeset	222 }
a61af66fc99e Initial load duke parents: diff changeset	223 static ByteSize flags_offset() {
a61af66fc99e Initial load duke parents: diff changeset	224 return byte_offset_of(DataLayout, _header._struct._flags);
a61af66fc99e Initial load duke parents: diff changeset	225 }
a61af66fc99e Initial load duke parents: diff changeset	226 static ByteSize bci_offset() {
a61af66fc99e Initial load duke parents: diff changeset	227 return byte_offset_of(DataLayout, _header._struct._bci);
a61af66fc99e Initial load duke parents: diff changeset	228 }
a61af66fc99e Initial load duke parents: diff changeset	229 static ByteSize cell_offset(int index) {
2333 f767174aac14 7021653: Parfait issue in hotspot/src/share/vm/oops/methodDataOops.hpp coleenp parents: 2264 diff changeset	230 return byte_offset_of(DataLayout, _cells) + in_ByteSize(index * cell_size);
0 a61af66fc99e Initial load duke parents: diff changeset	231 }
a61af66fc99e Initial load duke parents: diff changeset	232 // Return a value which, when or-ed as a byte into _flags, sets the flag.
a61af66fc99e Initial load duke parents: diff changeset	233 static int flag_number_to_byte_constant(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	234 assert(0 <= flag_number && flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	235 DataLayout temp; temp.set_header(0);
a61af66fc99e Initial load duke parents: diff changeset	236 temp.set_flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	237 return temp._header._struct._flags;
a61af66fc99e Initial load duke parents: diff changeset	238 }
a61af66fc99e Initial load duke parents: diff changeset	239 // Return a value which, when or-ed as a word into _header, sets the flag.
a61af66fc99e Initial load duke parents: diff changeset	240 static intptr_t flag_mask_to_header_mask(int byte_constant) {
a61af66fc99e Initial load duke parents: diff changeset	241 DataLayout temp; temp.set_header(0);
a61af66fc99e Initial load duke parents: diff changeset	242 temp._header._struct._flags = byte_constant;
a61af66fc99e Initial load duke parents: diff changeset	243 return temp._header._bits;
a61af66fc99e Initial load duke parents: diff changeset	244 }
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	245
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	246 ProfileData* data_in();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	247
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	248 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	249 void clean_weak_klass_links(BoolObjectClosure* cl);
0 a61af66fc99e Initial load duke parents: diff changeset	250 };
a61af66fc99e Initial load duke parents: diff changeset	251
a61af66fc99e Initial load duke parents: diff changeset	252
a61af66fc99e Initial load duke parents: diff changeset	253 // ProfileData class hierarchy
a61af66fc99e Initial load duke parents: diff changeset	254 class ProfileData;
a61af66fc99e Initial load duke parents: diff changeset	255 class BitData;
a61af66fc99e Initial load duke parents: diff changeset	256 class CounterData;
a61af66fc99e Initial load duke parents: diff changeset	257 class ReceiverTypeData;
a61af66fc99e Initial load duke parents: diff changeset	258 class VirtualCallData;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	259 class VirtualCallTypeData;
0 a61af66fc99e Initial load duke parents: diff changeset	260 class RetData;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	261 class CallTypeData;
0 a61af66fc99e Initial load duke parents: diff changeset	262 class JumpData;
a61af66fc99e Initial load duke parents: diff changeset	263 class BranchData;
a61af66fc99e Initial load duke parents: diff changeset	264 class ArrayData;
a61af66fc99e Initial load duke parents: diff changeset	265 class MultiBranchData;
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	266 class ArgInfoData;
0 a61af66fc99e Initial load duke parents: diff changeset	267
a61af66fc99e Initial load duke parents: diff changeset	268 // ProfileData
a61af66fc99e Initial load duke parents: diff changeset	269 //
a61af66fc99e Initial load duke parents: diff changeset	270 // A ProfileData object is created to refer to a section of profiling
a61af66fc99e Initial load duke parents: diff changeset	271 // data in a structured way.
a61af66fc99e Initial load duke parents: diff changeset	272 class ProfileData : public ResourceObj {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	273 friend class TypeEntries;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	274 friend class ReturnTypeEntry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	275 friend class TypeStackSlotEntries;
0 a61af66fc99e Initial load duke parents: diff changeset	276 private:
a61af66fc99e Initial load duke parents: diff changeset	277 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	278 enum {
a61af66fc99e Initial load duke parents: diff changeset	279 tab_width_one = 16,
a61af66fc99e Initial load duke parents: diff changeset	280 tab_width_two = 36
a61af66fc99e Initial load duke parents: diff changeset	281 };
a61af66fc99e Initial load duke parents: diff changeset	282 #endif // !PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	283
a61af66fc99e Initial load duke parents: diff changeset	284 // This is a pointer to a section of profiling data.
a61af66fc99e Initial load duke parents: diff changeset	285 DataLayout* _data;
a61af66fc99e Initial load duke parents: diff changeset	286
a61af66fc99e Initial load duke parents: diff changeset	287 protected:
a61af66fc99e Initial load duke parents: diff changeset	288 DataLayout* data() { return _data; }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	289 const DataLayout* data() const { return _data; }
0 a61af66fc99e Initial load duke parents: diff changeset	290
a61af66fc99e Initial load duke parents: diff changeset	291 enum {
a61af66fc99e Initial load duke parents: diff changeset	292 cell_size = DataLayout::cell_size
a61af66fc99e Initial load duke parents: diff changeset	293 };
a61af66fc99e Initial load duke parents: diff changeset	294
a61af66fc99e Initial load duke parents: diff changeset	295 public:
a61af66fc99e Initial load duke parents: diff changeset	296 // How many cells are in this?
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	297 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	298 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	299 return -1;
a61af66fc99e Initial load duke parents: diff changeset	300 }
a61af66fc99e Initial load duke parents: diff changeset	301
a61af66fc99e Initial load duke parents: diff changeset	302 // Return the size of this data.
a61af66fc99e Initial load duke parents: diff changeset	303 int size_in_bytes() {
a61af66fc99e Initial load duke parents: diff changeset	304 return DataLayout::compute_size_in_bytes(cell_count());
a61af66fc99e Initial load duke parents: diff changeset	305 }
a61af66fc99e Initial load duke parents: diff changeset	306
a61af66fc99e Initial load duke parents: diff changeset	307 protected:
a61af66fc99e Initial load duke parents: diff changeset	308 // Low-level accessors for underlying data
a61af66fc99e Initial load duke parents: diff changeset	309 void set_intptr_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	310 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	311 data()->set_cell_at(index, value);
a61af66fc99e Initial load duke parents: diff changeset	312 }
a61af66fc99e Initial load duke parents: diff changeset	313 void release_set_intptr_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	314 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	315 data()->release_set_cell_at(index, value);
a61af66fc99e Initial load duke parents: diff changeset	316 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	317 intptr_t intptr_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	318 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	319 return data()->cell_at(index);
a61af66fc99e Initial load duke parents: diff changeset	320 }
a61af66fc99e Initial load duke parents: diff changeset	321 void set_uint_at(int index, uint value) {
a61af66fc99e Initial load duke parents: diff changeset	322 set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	323 }
a61af66fc99e Initial load duke parents: diff changeset	324 void release_set_uint_at(int index, uint value) {
a61af66fc99e Initial load duke parents: diff changeset	325 release_set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	326 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	327 uint uint_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	328 return (uint)intptr_at(index);
a61af66fc99e Initial load duke parents: diff changeset	329 }
a61af66fc99e Initial load duke parents: diff changeset	330 void set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	331 set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	332 }
a61af66fc99e Initial load duke parents: diff changeset	333 void release_set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	334 release_set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	335 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	336 int int_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	337 return (int)intptr_at(index);
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_unchecked(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	340 return (int)data()->cell_at(index);
a61af66fc99e Initial load duke parents: diff changeset	341 }
a61af66fc99e Initial load duke parents: diff changeset	342 void set_oop_at(int index, oop value) {
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12258 diff changeset	343 set_intptr_at(index, cast_from_oop<intptr_t>(value));
0 a61af66fc99e Initial load duke parents: diff changeset	344 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	345 oop oop_at(int index) const {
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12258 diff changeset	346 return cast_to_oop(intptr_at(index));
0 a61af66fc99e Initial load duke parents: diff changeset	347 }
a61af66fc99e Initial load duke parents: diff changeset	348
a61af66fc99e Initial load duke parents: diff changeset	349 void set_flag_at(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	350 data()->set_flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	351 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	352 bool flag_at(int flag_number) const {
0 a61af66fc99e Initial load duke parents: diff changeset	353 return data()->flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	354 }
a61af66fc99e Initial load duke parents: diff changeset	355
a61af66fc99e Initial load duke parents: diff changeset	356 // two convenient imports for use by subclasses:
a61af66fc99e Initial load duke parents: diff changeset	357 static ByteSize cell_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	358 return DataLayout::cell_offset(index);
a61af66fc99e Initial load duke parents: diff changeset	359 }
a61af66fc99e Initial load duke parents: diff changeset	360 static int flag_number_to_byte_constant(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	361 return DataLayout::flag_number_to_byte_constant(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	362 }
a61af66fc99e Initial load duke parents: diff changeset	363
a61af66fc99e Initial load duke parents: diff changeset	364 ProfileData(DataLayout* data) {
a61af66fc99e Initial load duke parents: diff changeset	365 _data = data;
a61af66fc99e Initial load duke parents: diff changeset	366 }
a61af66fc99e Initial load duke parents: diff changeset	367
a61af66fc99e Initial load duke parents: diff changeset	368 public:
a61af66fc99e Initial load duke parents: diff changeset	369 // Constructor for invalid ProfileData.
a61af66fc99e Initial load duke parents: diff changeset	370 ProfileData();
a61af66fc99e Initial load duke parents: diff changeset	371
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	372 u2 bci() const {
0 a61af66fc99e Initial load duke parents: diff changeset	373 return data()->bci();
a61af66fc99e Initial load duke parents: diff changeset	374 }
a61af66fc99e Initial load duke parents: diff changeset	375
a61af66fc99e Initial load duke parents: diff changeset	376 address dp() {
a61af66fc99e Initial load duke parents: diff changeset	377 return (address)_data;
a61af66fc99e Initial load duke parents: diff changeset	378 }
a61af66fc99e Initial load duke parents: diff changeset	379
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	380 int trap_state() const {
0 a61af66fc99e Initial load duke parents: diff changeset	381 return data()->trap_state();
a61af66fc99e Initial load duke parents: diff changeset	382 }
a61af66fc99e Initial load duke parents: diff changeset	383 void set_trap_state(int new_state) {
a61af66fc99e Initial load duke parents: diff changeset	384 data()->set_trap_state(new_state);
a61af66fc99e Initial load duke parents: diff changeset	385 }
a61af66fc99e Initial load duke parents: diff changeset	386
a61af66fc99e Initial load duke parents: diff changeset	387 // Type checking
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	388 virtual bool is_BitData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	389 virtual bool is_CounterData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	390 virtual bool is_JumpData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	391 virtual bool is_ReceiverTypeData()const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	392 virtual bool is_VirtualCallData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	393 virtual bool is_RetData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	394 virtual bool is_BranchData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	395 virtual bool is_ArrayData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	396 virtual bool is_MultiBranchData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	397 virtual bool is_ArgInfoData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	398 virtual bool is_CallTypeData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	399 virtual bool is_VirtualCallTypeData()const { return false; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	400
0 a61af66fc99e Initial load duke parents: diff changeset	401
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	402 BitData* as_BitData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	403 assert(is_BitData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	404 return is_BitData() ? (BitData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	405 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	406 CounterData* as_CounterData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	407 assert(is_CounterData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	408 return is_CounterData() ? (CounterData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	409 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	410 JumpData* as_JumpData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	411 assert(is_JumpData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	412 return is_JumpData() ? (JumpData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	413 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	414 ReceiverTypeData* as_ReceiverTypeData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	415 assert(is_ReceiverTypeData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	416 return is_ReceiverTypeData() ? (ReceiverTypeData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	417 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	418 VirtualCallData* as_VirtualCallData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	419 assert(is_VirtualCallData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	420 return is_VirtualCallData() ? (VirtualCallData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	421 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	422 RetData* as_RetData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	423 assert(is_RetData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	424 return is_RetData() ? (RetData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	425 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	426 BranchData* as_BranchData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	427 assert(is_BranchData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	428 return is_BranchData() ? (BranchData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	429 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	430 ArrayData* as_ArrayData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	431 assert(is_ArrayData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	432 return is_ArrayData() ? (ArrayData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	433 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	434 MultiBranchData* as_MultiBranchData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	435 assert(is_MultiBranchData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	436 return is_MultiBranchData() ? (MultiBranchData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	437 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	438 ArgInfoData* as_ArgInfoData() const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	439 assert(is_ArgInfoData(), "wrong type");
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	440 return is_ArgInfoData() ? (ArgInfoData*)this : NULL;
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	441 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	442 CallTypeData* as_CallTypeData() const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	443 assert(is_CallTypeData(), "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	444 return is_CallTypeData() ? (CallTypeData*)this : NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	445 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	446 VirtualCallTypeData* as_VirtualCallTypeData() const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	447 assert(is_VirtualCallTypeData(), "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	448 return is_VirtualCallTypeData() ? (VirtualCallTypeData*)this : NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	449 }
0 a61af66fc99e Initial load duke parents: diff changeset	450
a61af66fc99e Initial load duke parents: diff changeset	451
a61af66fc99e Initial load duke parents: diff changeset	452 // Subclass specific initialization
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	453 virtual void post_initialize(BytecodeStream* stream, MethodData* mdo) {}
0 a61af66fc99e Initial load duke parents: diff changeset	454
a61af66fc99e Initial load duke parents: diff changeset	455 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	456 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {}
0 a61af66fc99e Initial load duke parents: diff changeset	457
a61af66fc99e Initial load duke parents: diff changeset	458 // CI translation: ProfileData can represent both MethodDataOop data
a61af66fc99e Initial load duke parents: diff changeset	459 // as well as CIMethodData data. This function is provided for translating
a61af66fc99e Initial load duke parents: diff changeset	460 // an oop in a ProfileData to the ci equivalent. Generally speaking,
a61af66fc99e Initial load duke parents: diff changeset	461 // most ProfileData don't require any translation, so we provide the null
a61af66fc99e Initial load duke parents: diff changeset	462 // 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	463 virtual void translate_from(const ProfileData* data) {}
0 a61af66fc99e Initial load duke parents: diff changeset	464
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	465 virtual void print_data_on(outputStream* st) const {
0 a61af66fc99e Initial load duke parents: diff changeset	466 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	467 }
a61af66fc99e Initial load duke parents: diff changeset	468
a61af66fc99e Initial load duke parents: diff changeset	469 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	470 void print_shared(outputStream* st, const char* name) const;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	471 void tab(outputStream* st, bool first = false) const;
0 a61af66fc99e Initial load duke parents: diff changeset	472 #endif
a61af66fc99e Initial load duke parents: diff changeset	473 };
a61af66fc99e Initial load duke parents: diff changeset	474
a61af66fc99e Initial load duke parents: diff changeset	475 // BitData
a61af66fc99e Initial load duke parents: diff changeset	476 //
a61af66fc99e Initial load duke parents: diff changeset	477 // A BitData holds a flag or two in its header.
a61af66fc99e Initial load duke parents: diff changeset	478 class BitData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	479 protected:
a61af66fc99e Initial load duke parents: diff changeset	480 enum {
a61af66fc99e Initial load duke parents: diff changeset	481 // null_seen:
a61af66fc99e Initial load duke parents: diff changeset	482 // saw a null operand (cast/aastore/instanceof)
a61af66fc99e Initial load duke parents: diff changeset	483 null_seen_flag = DataLayout::first_flag + 0
a61af66fc99e Initial load duke parents: diff changeset	484 };
a61af66fc99e Initial load duke parents: diff changeset	485 enum { bit_cell_count = 0 }; // no additional data fields needed.
a61af66fc99e Initial load duke parents: diff changeset	486 public:
a61af66fc99e Initial load duke parents: diff changeset	487 BitData(DataLayout* layout) : ProfileData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	488 }
a61af66fc99e Initial load duke parents: diff changeset	489
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	490 virtual bool is_BitData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	491
a61af66fc99e Initial load duke parents: diff changeset	492 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	493 return bit_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	494 }
a61af66fc99e Initial load duke parents: diff changeset	495
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	496 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	497 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	498 }
a61af66fc99e Initial load duke parents: diff changeset	499
a61af66fc99e Initial load duke parents: diff changeset	500 // Accessor
a61af66fc99e Initial load duke parents: diff changeset	501
a61af66fc99e Initial load duke parents: diff changeset	502 // The null_seen flag bit is specially known to the interpreter.
a61af66fc99e Initial load duke parents: diff changeset	503 // Consulting it allows the compiler to avoid setting up null_check traps.
a61af66fc99e Initial load duke parents: diff changeset	504 bool null_seen() { return flag_at(null_seen_flag); }
a61af66fc99e Initial load duke parents: diff changeset	505 void set_null_seen() { set_flag_at(null_seen_flag); }
a61af66fc99e Initial load duke parents: diff changeset	506
a61af66fc99e Initial load duke parents: diff changeset	507
a61af66fc99e Initial load duke parents: diff changeset	508 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	509 static int null_seen_byte_constant() {
a61af66fc99e Initial load duke parents: diff changeset	510 return flag_number_to_byte_constant(null_seen_flag);
a61af66fc99e Initial load duke parents: diff changeset	511 }
a61af66fc99e Initial load duke parents: diff changeset	512
a61af66fc99e Initial load duke parents: diff changeset	513 static ByteSize bit_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	514 return cell_offset(bit_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	515 }
a61af66fc99e Initial load duke parents: diff changeset	516
a61af66fc99e Initial load duke parents: diff changeset	517 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	518 void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	519 #endif
a61af66fc99e Initial load duke parents: diff changeset	520 };
a61af66fc99e Initial load duke parents: diff changeset	521
a61af66fc99e Initial load duke parents: diff changeset	522 // CounterData
a61af66fc99e Initial load duke parents: diff changeset	523 //
a61af66fc99e Initial load duke parents: diff changeset	524 // A CounterData corresponds to a simple counter.
a61af66fc99e Initial load duke parents: diff changeset	525 class CounterData : public BitData {
a61af66fc99e Initial load duke parents: diff changeset	526 protected:
a61af66fc99e Initial load duke parents: diff changeset	527 enum {
a61af66fc99e Initial load duke parents: diff changeset	528 count_off,
a61af66fc99e Initial load duke parents: diff changeset	529 counter_cell_count
a61af66fc99e Initial load duke parents: diff changeset	530 };
a61af66fc99e Initial load duke parents: diff changeset	531 public:
a61af66fc99e Initial load duke parents: diff changeset	532 CounterData(DataLayout* layout) : BitData(layout) {}
a61af66fc99e Initial load duke parents: diff changeset	533
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	534 virtual bool is_CounterData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	535
a61af66fc99e Initial load duke parents: diff changeset	536 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	537 return counter_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	538 }
a61af66fc99e Initial load duke parents: diff changeset	539
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	540 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	541 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	542 }
a61af66fc99e Initial load duke parents: diff changeset	543
a61af66fc99e Initial load duke parents: diff changeset	544 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	545 uint count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	546 return uint_at(count_off);
a61af66fc99e Initial load duke parents: diff changeset	547 }
a61af66fc99e Initial load duke parents: diff changeset	548
a61af66fc99e Initial load duke parents: diff changeset	549 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	550 static ByteSize count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	551 return cell_offset(count_off);
a61af66fc99e Initial load duke parents: diff changeset	552 }
a61af66fc99e Initial load duke parents: diff changeset	553 static ByteSize counter_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	554 return cell_offset(counter_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	555 }
a61af66fc99e Initial load duke parents: diff changeset	556
1251 576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	557 void set_count(uint count) {
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	558 set_uint_at(count_off, count);
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	559 }
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	560
0 a61af66fc99e Initial load duke parents: diff changeset	561 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	562 void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	563 #endif
a61af66fc99e Initial load duke parents: diff changeset	564 };
a61af66fc99e Initial load duke parents: diff changeset	565
a61af66fc99e Initial load duke parents: diff changeset	566 // JumpData
a61af66fc99e Initial load duke parents: diff changeset	567 //
a61af66fc99e Initial load duke parents: diff changeset	568 // A JumpData is used to access profiling information for a direct
a61af66fc99e Initial load duke parents: diff changeset	569 // branch. It is a counter, used for counting the number of branches,
a61af66fc99e Initial load duke parents: diff changeset	570 // plus a data displacement, used for realigning the data pointer to
a61af66fc99e Initial load duke parents: diff changeset	571 // the corresponding target bci.
a61af66fc99e Initial load duke parents: diff changeset	572 class JumpData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	573 protected:
a61af66fc99e Initial load duke parents: diff changeset	574 enum {
a61af66fc99e Initial load duke parents: diff changeset	575 taken_off_set,
a61af66fc99e Initial load duke parents: diff changeset	576 displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	577 jump_cell_count
a61af66fc99e Initial load duke parents: diff changeset	578 };
a61af66fc99e Initial load duke parents: diff changeset	579
a61af66fc99e Initial load duke parents: diff changeset	580 void set_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	581 set_int_at(displacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	582 }
a61af66fc99e Initial load duke parents: diff changeset	583
a61af66fc99e Initial load duke parents: diff changeset	584 public:
a61af66fc99e Initial load duke parents: diff changeset	585 JumpData(DataLayout* layout) : ProfileData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	586 assert(layout->tag() == DataLayout::jump_data_tag \|\|
a61af66fc99e Initial load duke parents: diff changeset	587 layout->tag() == DataLayout::branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	588 }
a61af66fc99e Initial load duke parents: diff changeset	589
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	590 virtual bool is_JumpData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	591
a61af66fc99e Initial load duke parents: diff changeset	592 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	593 return jump_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	594 }
a61af66fc99e Initial load duke parents: diff changeset	595
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	596 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	597 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	598 }
a61af66fc99e Initial load duke parents: diff changeset	599
a61af66fc99e Initial load duke parents: diff changeset	600 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	601 uint taken() const {
0 a61af66fc99e Initial load duke parents: diff changeset	602 return uint_at(taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	603 }
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	604
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	605 void set_taken(uint cnt) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	606 set_uint_at(taken_off_set, cnt);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	607 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	608
0 a61af66fc99e Initial load duke parents: diff changeset	609 // Saturating counter
a61af66fc99e Initial load duke parents: diff changeset	610 uint inc_taken() {
a61af66fc99e Initial load duke parents: diff changeset	611 uint cnt = taken() + 1;
a61af66fc99e Initial load duke parents: diff changeset	612 // Did we wrap? Will compiler screw us??
a61af66fc99e Initial load duke parents: diff changeset	613 if (cnt == 0) cnt--;
a61af66fc99e Initial load duke parents: diff changeset	614 set_uint_at(taken_off_set, cnt);
a61af66fc99e Initial load duke parents: diff changeset	615 return cnt;
a61af66fc99e Initial load duke parents: diff changeset	616 }
a61af66fc99e Initial load duke parents: diff changeset	617
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	618 int displacement() const {
0 a61af66fc99e Initial load duke parents: diff changeset	619 return int_at(displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	620 }
a61af66fc99e Initial load duke parents: diff changeset	621
a61af66fc99e Initial load duke parents: diff changeset	622 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	623 static ByteSize taken_offset() {
a61af66fc99e Initial load duke parents: diff changeset	624 return cell_offset(taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	625 }
a61af66fc99e Initial load duke parents: diff changeset	626
a61af66fc99e Initial load duke parents: diff changeset	627 static ByteSize displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	628 return cell_offset(displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	629 }
a61af66fc99e Initial load duke parents: diff changeset	630
a61af66fc99e Initial load duke parents: diff changeset	631 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	632 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	633
a61af66fc99e Initial load duke parents: diff changeset	634 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	635 void print_data_on(outputStream* st) const;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	636 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	637 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	638
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	639 // 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	640 // 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	641 // 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	642 // 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	643 // is tracked (unlike VirtualCallData).
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	644 class TypeEntries {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	645
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	646 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	647
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	648 // 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	649 // - the cell is initialized to 0
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	650 // - 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	651 // - 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	652 // was encountered or not
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	653 // - 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	654
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	655 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	656 null_seen = 1,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	657 type_mask = ~null_seen,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	658 type_unknown = 2,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	659 status_bits = null_seen \| type_unknown,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	660 type_klass_mask = ~status_bits
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	661 };
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 // what to initialize a cell to
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	664 static intptr_t type_none() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	665 return 0;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	666 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	667
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	668 // null seen = bit 0 set?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	669 static bool was_null_seen(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	670 return (v & null_seen) != 0;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	671 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	672
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	673 // conflicting type information = bit 1 set?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	674 static bool is_type_unknown(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	675 return (v & type_unknown) != 0;
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 // not type information yet = all bits cleared, ignoring bit 0?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	679 static bool is_type_none(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	680 return (v & type_mask) == 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 // recorded type: cell without bit 0 and 1
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	684 static intptr_t klass_part(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	685 intptr_t r = v & type_klass_mask;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	686 assert (r != 0, "invalid");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	687 return r;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	688 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	689
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	690 // type recorded
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	691 static Klass* valid_klass(intptr_t k) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	692 if (!is_type_none(k) &&
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	693 !is_type_unknown(k)) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	694 return (Klass*)klass_part(k);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	695 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	696 return NULL;
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 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	699
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	700 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	701 return k \| (in & status_bits);
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 static intptr_t with_status(Klass* k, intptr_t in) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	705 return with_status((intptr_t)k, in);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	706 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	707
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	708 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	709 static void print_klass(outputStream* st, intptr_t k);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	710 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	711
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	712 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	713 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	714
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	715 protected:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	716 // ProfileData object these entries are part of
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	717 ProfileData* _pd;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	718 // offset within the ProfileData object where the entries start
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	719 const int _base_off;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	720
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	721 TypeEntries(int base_off)
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	722 : _base_off(base_off), _pd(NULL) {}
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 void set_intptr_at(int index, intptr_t value) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	725 _pd->set_intptr_at(index, value);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	726 }
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 intptr_t intptr_at(int index) const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	729 return _pd->intptr_at(index);
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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	732 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	733 void set_profile_data(ProfileData* pd) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	734 _pd = pd;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	735 }
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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	738 // 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	739 // 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	740 // TypeEntries and one initialized with the stack slot where the
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	741 // 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	742 // it quickly.
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	743 class TypeStackSlotEntries : public TypeEntries {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	744
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	745 private:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	746 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	747 stack_slot_entry,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	748 type_entry,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	749 per_arg_cell_count
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	750 };
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 // 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	753 int stack_slot_offset(int i) const {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	754 return _base_off + stack_slot_local_offset(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	755 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	756
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	757 protected:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	758 const int _number_of_entries;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	759
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	760 // 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	761 int type_offset(int i) const {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	762 return _base_off + type_local_offset(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	763 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	764
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	765 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	766
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	767 TypeStackSlotEntries(int base_off, int nb_entries)
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	768 : TypeEntries(base_off), _number_of_entries(nb_entries) {}
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	769
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	770 static int compute_cell_count(Symbol* signature, int max);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	771
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	772 void post_initialize(Symbol* signature, bool has_receiver);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	773
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	774 // 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	775 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	776 return i * per_arg_cell_count + stack_slot_entry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	777 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	778
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	779 // 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	780 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	781 return i * per_arg_cell_count + type_entry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	782 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	783
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	784 // stack slot for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	785 uint stack_slot(int i) const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	786 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	787 return _pd->uint_at(stack_slot_offset(i));
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	788 }
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 // set stack slot for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	791 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	792 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	793 _pd->set_uint_at(stack_slot_offset(i), num);
12875 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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	796 // type for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	797 intptr_t type(int i) const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	798 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	799 return _pd->intptr_at(type_offset(i));
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	800 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	801
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	802 // set type for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	803 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	804 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	805 _pd->set_intptr_at(type_offset(i), k);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	806 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	807
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	808 static ByteSize per_arg_size() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	809 return in_ByteSize(per_arg_cell_count * DataLayout::cell_size);
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 static int per_arg_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	813 return per_arg_cell_count ;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	814 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	815
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	816 // GC support
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	817 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	818
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	819 #ifndef PRODUCT
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	820 void print_data_on(outputStream* st) const;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	821 #endif
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	822 };
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	823
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	824 // 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	825 // type.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	826 class ReturnTypeEntry : public TypeEntries {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	827
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	828 private:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	829 enum {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	830 cell_count = 1
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	831 };
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	832
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	833 public:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	834 ReturnTypeEntry(int base_off)
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	835 : TypeEntries(base_off) {}
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	836
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	837 void post_initialize() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	838 set_type(type_none());
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
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	841 intptr_t type() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	842 return _pd->intptr_at(_base_off);
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
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	845 void set_type(intptr_t k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	846 _pd->set_intptr_at(_base_off, k);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	847 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	848
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	849 static int static_cell_count() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	850 return cell_count;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	851 }
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 static ByteSize size() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	854 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	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 ByteSize type_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	858 return DataLayout::cell_offset(_base_off);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	859 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	860
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	861 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	862 void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	863
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	864 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	865 void print_data_on(outputStream* st) const;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	866 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	867 };
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 // 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	870 // (TypeStackSlotEntries), a return type (ReturnTypeEntry) and a
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	871 // 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	872 // 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	873 // 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	874 // 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	875 // has_return().
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	876 class TypeEntriesAtCall {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	877 private:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	878 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	879 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	880 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	881
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	882 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	883 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	884 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	885
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	886 public:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	887
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	888 static int header_cell_count() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	889 return 1;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	890 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	891
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	892 static int cell_count_local_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	893 return 0;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	894 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	895
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	896 static int compute_cell_count(BytecodeStream* stream);
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 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	899 int off = base + cell_count_local_offset();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	900 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	901 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	902
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	903 static bool arguments_profiling_enabled();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	904 static bool return_profiling_enabled();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	905
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	906 // Code generation support
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	907 static ByteSize cell_count_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	908 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	909 }
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 static ByteSize args_data_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	912 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	913 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	914
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	915 static ByteSize stack_slot_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	916 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	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 ByteSize argument_type_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	920 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	921 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	922 };
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	923
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	924 // CallTypeData
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	925 //
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	926 // 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	927 // 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	928 // and return value.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	929 class CallTypeData : public CounterData {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	930 private:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	931 // entries for arguments if any
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	932 TypeStackSlotEntries _args;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	933 // entry for return type if any
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	934 ReturnTypeEntry _ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	935
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	936 int cell_count_global_offset() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	937 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	938 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	939
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	940 // number of cells not counting the header
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	941 int cell_count_no_header() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	942 return uint_at(cell_count_global_offset());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	943 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	944
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	945 void check_number_of_arguments(int total) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	946 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	947 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	948
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	949 protected:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	950 // 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	951 // argument so if the number of cells exceeds the number of cells
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	952 // needed for an argument, this object contains type information for
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	953 // at least one argument.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	954 bool has_arguments() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	955 bool res = cell_count_no_header() >= TypeStackSlotEntries::per_arg_count();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	956 assert (!res \|\| TypeEntriesAtCall::arguments_profiling_enabled(), "no profiling of arguments");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	957 return res;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	958 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	959
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	960 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	961 CallTypeData(DataLayout* layout) :
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	962 CounterData(layout),
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	963 _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	964 _ret(cell_count() - ReturnTypeEntry::static_cell_count())
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	965 {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	966 assert(layout->tag() == DataLayout::call_type_data_tag, "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	967 // 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	968 _args.set_profile_data(this);
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	969 _ret.set_profile_data(this);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	970 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	971
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	972 const TypeStackSlotEntries* args() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	973 assert(has_arguments(), "no profiling of arguments");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	974 return &_args;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	975 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	976
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	977 const ReturnTypeEntry* ret() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	978 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	979 return &_ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	980 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	981
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	982 virtual bool is_CallTypeData() const { return true; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	983
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	984 static int static_cell_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	985 return -1;
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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	988 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	989 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	990 }
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 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	993 TypeEntriesAtCall::initialize(dl, CounterData::static_cell_count(), cell_count);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	994 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	995
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	996 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	997
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	998 virtual int cell_count() const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	999 return CounterData::static_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1000 TypeEntriesAtCall::header_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1001 int_at_unchecked(cell_count_global_offset());
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1002 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1003
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1004 int number_of_arguments() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1005 return cell_count_no_header() / TypeStackSlotEntries::per_arg_count();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1006 }
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 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	1009 assert(has_arguments(), "no arguments!");
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1010 intptr_t current = _args.type(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1011 _args.set_type(i, TypeEntries::with_status(k, current));
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
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1014 void set_return_type(Klass* k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1015 assert(has_return(), "no return!");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1016 intptr_t current = _ret.type();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1017 _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	1018 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1019
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1020 // 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	1021 // 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	1022 // 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	1023 // is profiled in this object.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1024 bool has_return() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1025 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	1026 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	1027 return res;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1028 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1029
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1030 // Code generation support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1031 static ByteSize args_data_offset() {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1032 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	1033 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1034
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1035 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1036 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	1037 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1038 _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	1039 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1040 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1041 _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	1042 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1043 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1044
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1045 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1046 virtual void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1047 #endif
a61af66fc99e Initial load duke parents: diff changeset	1048 };
a61af66fc99e Initial load duke parents: diff changeset	1049
a61af66fc99e Initial load duke parents: diff changeset	1050 // ReceiverTypeData
a61af66fc99e Initial load duke parents: diff changeset	1051 //
a61af66fc99e Initial load duke parents: diff changeset	1052 // A ReceiverTypeData is used to access profiling information about a
a61af66fc99e Initial load duke parents: diff changeset	1053 // 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	1054 // that the check is reached, and a series of (Klass*, count) pairs
0 a61af66fc99e Initial load duke parents: diff changeset	1055 // which are used to store a type profile for the receiver of the check.
a61af66fc99e Initial load duke parents: diff changeset	1056 class ReceiverTypeData : public CounterData {
a61af66fc99e Initial load duke parents: diff changeset	1057 protected:
a61af66fc99e Initial load duke parents: diff changeset	1058 enum {
a61af66fc99e Initial load duke parents: diff changeset	1059 receiver0_offset = counter_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1060 count0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1061 receiver_type_row_cell_count = (count0_offset + 1) - receiver0_offset
a61af66fc99e Initial load duke parents: diff changeset	1062 };
a61af66fc99e Initial load duke parents: diff changeset	1063
a61af66fc99e Initial load duke parents: diff changeset	1064 public:
a61af66fc99e Initial load duke parents: diff changeset	1065 ReceiverTypeData(DataLayout* layout) : CounterData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1066 assert(layout->tag() == DataLayout::receiver_type_data_tag \|\|
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1067 layout->tag() == DataLayout::virtual_call_data_tag \|\|
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1068 layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1069 }
a61af66fc99e Initial load duke parents: diff changeset	1070
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1071 virtual bool is_ReceiverTypeData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1072
a61af66fc99e Initial load duke parents: diff changeset	1073 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1074 return counter_cell_count + (uint) TypeProfileWidth * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1075 }
a61af66fc99e Initial load duke parents: diff changeset	1076
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1077 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1078 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1079 }
a61af66fc99e Initial load duke parents: diff changeset	1080
a61af66fc99e Initial load duke parents: diff changeset	1081 // Direct accessors
a61af66fc99e Initial load duke parents: diff changeset	1082 static uint row_limit() {
a61af66fc99e Initial load duke parents: diff changeset	1083 return TypeProfileWidth;
a61af66fc99e Initial load duke parents: diff changeset	1084 }
a61af66fc99e Initial load duke parents: diff changeset	1085 static int receiver_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1086 return receiver0_offset + row * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1087 }
a61af66fc99e Initial load duke parents: diff changeset	1088 static int receiver_count_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1089 return count0_offset + row * 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 Klass* receiver(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1093 assert(row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1094
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1095 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	1096 assert(recv == NULL \|\| recv->is_klass(), "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1097 return recv;
a61af66fc99e Initial load duke parents: diff changeset	1098 }
a61af66fc99e Initial load duke parents: diff changeset	1099
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1100 void set_receiver(uint row, Klass* k) {
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1101 assert((uint)row < row_limit(), "oob");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1102 set_intptr_at(receiver_cell_index(row), (uintptr_t)k);
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1103 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1104
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1105 uint receiver_count(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1106 assert(row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1107 return uint_at(receiver_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1108 }
a61af66fc99e Initial load duke parents: diff changeset	1109
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1110 void set_receiver_count(uint row, uint count) {
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1111 assert(row < row_limit(), "oob");
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1112 set_uint_at(receiver_count_cell_index(row), count);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1113 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1114
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1115 void clear_row(uint row) {
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1116 assert(row < row_limit(), "oob");
1251 576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1117 // Clear total count - indicator of polymorphic call site.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1118 // 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	1119 // 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	1120 // 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	1121 // 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	1122 // 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	1123 // 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	1124 // 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	1125 // 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	1126 // with updated MDO after executing method in Interpreter.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1127 // 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	1128 // during next call execution.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1129 //
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1130 // 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	1131 // 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	1132 //
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1133 set_count(0);
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1134 set_receiver(row, NULL);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1135 set_receiver_count(row, 0);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1136 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1137
0 a61af66fc99e Initial load duke parents: diff changeset	1138 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1139 static ByteSize receiver_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1140 return cell_offset(receiver_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1141 }
a61af66fc99e Initial load duke parents: diff changeset	1142 static ByteSize receiver_count_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1143 return cell_offset(receiver_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1144 }
a61af66fc99e Initial load duke parents: diff changeset	1145 static ByteSize receiver_type_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1146 return cell_offset(static_cell_count());
a61af66fc99e Initial load duke parents: diff changeset	1147 }
a61af66fc99e Initial load duke parents: diff changeset	1148
a61af66fc99e Initial load duke parents: diff changeset	1149 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1150 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
0 a61af66fc99e Initial load duke parents: diff changeset	1151
a61af66fc99e Initial load duke parents: diff changeset	1152 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1153 void print_receiver_data_on(outputStream* st) const;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1154 void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1155 #endif
a61af66fc99e Initial load duke parents: diff changeset	1156 };
a61af66fc99e Initial load duke parents: diff changeset	1157
a61af66fc99e Initial load duke parents: diff changeset	1158 // VirtualCallData
a61af66fc99e Initial load duke parents: diff changeset	1159 //
a61af66fc99e Initial load duke parents: diff changeset	1160 // A VirtualCallData is used to access profiling information about a
a61af66fc99e Initial load duke parents: diff changeset	1161 // virtual call. For now, it has nothing more than a ReceiverTypeData.
a61af66fc99e Initial load duke parents: diff changeset	1162 class VirtualCallData : public ReceiverTypeData {
a61af66fc99e Initial load duke parents: diff changeset	1163 public:
a61af66fc99e Initial load duke parents: diff changeset	1164 VirtualCallData(DataLayout* layout) : ReceiverTypeData(layout) {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1165 assert(layout->tag() == DataLayout::virtual_call_data_tag \|\|
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1166 layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1167 }
a61af66fc99e Initial load duke parents: diff changeset	1168
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1169 virtual bool is_VirtualCallData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1170
a61af66fc99e Initial load duke parents: diff changeset	1171 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1172 // At this point we could add more profile state, e.g., for arguments.
a61af66fc99e Initial load duke parents: diff changeset	1173 // But for now it's the same size as the base record type.
a61af66fc99e Initial load duke parents: diff changeset	1174 return ReceiverTypeData::static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1175 }
a61af66fc99e Initial load duke parents: diff changeset	1176
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1177 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1178 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1179 }
a61af66fc99e Initial load duke parents: diff changeset	1180
a61af66fc99e Initial load duke parents: diff changeset	1181 // Direct accessors
a61af66fc99e Initial load duke parents: diff changeset	1182 static ByteSize virtual_call_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1183 return cell_offset(static_cell_count());
a61af66fc99e Initial load duke parents: diff changeset	1184 }
a61af66fc99e Initial load duke parents: diff changeset	1185
a61af66fc99e Initial load duke parents: diff changeset	1186 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1187 void print_data_on(outputStream* st) const;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1188 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1189 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1190
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1191 // VirtualCallTypeData
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1192 //
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1193 // A VirtualCallTypeData is used to access profiling information about
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1194 // 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	1195 // arguments and return value.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1196 class VirtualCallTypeData : public VirtualCallData {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1197 private:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1198 // entries for arguments if any
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1199 TypeStackSlotEntries _args;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1200 // entry for return type if any
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1201 ReturnTypeEntry _ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1202
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1203 int cell_count_global_offset() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1204 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	1205 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1206
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1207 // number of cells not counting the header
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1208 int cell_count_no_header() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1209 return uint_at(cell_count_global_offset());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1210 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1211
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1212 void check_number_of_arguments(int total) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1213 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	1214 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1215
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1216 protected:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1217 // 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	1218 // argument so if the number of cells exceeds the number of cells
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1219 // needed for an argument, this object contains type information for
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1220 // at least one argument.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1221 bool has_arguments() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1222 bool res = cell_count_no_header() >= TypeStackSlotEntries::per_arg_count();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1223 assert (!res \|\| TypeEntriesAtCall::arguments_profiling_enabled(), "no profiling of arguments");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1224 return res;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1225 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1226
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1227 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1228 VirtualCallTypeData(DataLayout* layout) :
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1229 VirtualCallData(layout),
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1230 _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	1231 _ret(cell_count() - ReturnTypeEntry::static_cell_count())
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1232 {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1233 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	1234 // 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	1235 _args.set_profile_data(this);
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1236 _ret.set_profile_data(this);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1237 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1238
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1239 const TypeStackSlotEntries* args() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1240 assert(has_arguments(), "no profiling of arguments");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1241 return &_args;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1242 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1243
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1244 const ReturnTypeEntry* ret() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1245 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	1246 return &_ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1247 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1248
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1249 virtual bool is_VirtualCallTypeData() const { return true; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1250
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1251 static int static_cell_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1252 return -1;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1253 }
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 compute_cell_count(BytecodeStream* stream) {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1256 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	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 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	1260 TypeEntriesAtCall::initialize(dl, VirtualCallData::static_cell_count(), cell_count);
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
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1263 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	1264
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1265 virtual int cell_count() const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1266 return VirtualCallData::static_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1267 TypeEntriesAtCall::header_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1268 int_at_unchecked(cell_count_global_offset());
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1269 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1270
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1271 int number_of_arguments() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1272 return cell_count_no_header() / TypeStackSlotEntries::per_arg_count();
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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1275 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	1276 assert(has_arguments(), "no arguments!");
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1277 intptr_t current = _args.type(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1278 _args.set_type(i, TypeEntries::with_status(k, current));
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1279 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1280
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1281 void set_return_type(Klass* k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1282 assert(has_return(), "no return!");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1283 intptr_t current = _ret.type();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1284 _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	1285 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1286
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1287 // 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	1288 // 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	1289 // 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	1290 // is profiled in this object.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1291 bool has_return() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1292 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	1293 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	1294 return res;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1295 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1296
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1297 // Code generation support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1298 static ByteSize args_data_offset() {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1299 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	1300 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1301
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1302 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1303 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1304 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	1305 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1306 _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	1307 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1308 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1309 _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	1310 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1311 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1312
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1313 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1314 virtual void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1315 #endif
a61af66fc99e Initial load duke parents: diff changeset	1316 };
a61af66fc99e Initial load duke parents: diff changeset	1317
a61af66fc99e Initial load duke parents: diff changeset	1318 // RetData
a61af66fc99e Initial load duke parents: diff changeset	1319 //
a61af66fc99e Initial load duke parents: diff changeset	1320 // A RetData is used to access profiling information for a ret bytecode.
a61af66fc99e Initial load duke parents: diff changeset	1321 // It is composed of a count of the number of times that the ret has
a61af66fc99e Initial load duke parents: diff changeset	1322 // been executed, followed by a series of triples of the form
a61af66fc99e Initial load duke parents: diff changeset	1323 // (bci, count, di) which count the number of times that some bci was the
a61af66fc99e Initial load duke parents: diff changeset	1324 // target of the ret and cache a corresponding data displacement.
a61af66fc99e Initial load duke parents: diff changeset	1325 class RetData : public CounterData {
a61af66fc99e Initial load duke parents: diff changeset	1326 protected:
a61af66fc99e Initial load duke parents: diff changeset	1327 enum {
a61af66fc99e Initial load duke parents: diff changeset	1328 bci0_offset = counter_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1329 count0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1330 displacement0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1331 ret_row_cell_count = (displacement0_offset + 1) - bci0_offset
a61af66fc99e Initial load duke parents: diff changeset	1332 };
a61af66fc99e Initial load duke parents: diff changeset	1333
a61af66fc99e Initial load duke parents: diff changeset	1334 void set_bci(uint row, int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1335 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1336 set_int_at(bci0_offset + row * ret_row_cell_count, bci);
a61af66fc99e Initial load duke parents: diff changeset	1337 }
a61af66fc99e Initial load duke parents: diff changeset	1338 void release_set_bci(uint row, int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1339 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1340 // 'release' when setting the bci acts as a valid flag for other
a61af66fc99e Initial load duke parents: diff changeset	1341 // threads wrt bci_count and bci_displacement.
a61af66fc99e Initial load duke parents: diff changeset	1342 release_set_int_at(bci0_offset + row * ret_row_cell_count, bci);
a61af66fc99e Initial load duke parents: diff changeset	1343 }
a61af66fc99e Initial load duke parents: diff changeset	1344 void set_bci_count(uint row, uint count) {
a61af66fc99e Initial load duke parents: diff changeset	1345 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1346 set_uint_at(count0_offset + row * ret_row_cell_count, count);
a61af66fc99e Initial load duke parents: diff changeset	1347 }
a61af66fc99e Initial load duke parents: diff changeset	1348 void set_bci_displacement(uint row, int disp) {
a61af66fc99e Initial load duke parents: diff changeset	1349 set_int_at(displacement0_offset + row * ret_row_cell_count, disp);
a61af66fc99e Initial load duke parents: diff changeset	1350 }
a61af66fc99e Initial load duke parents: diff changeset	1351
a61af66fc99e Initial load duke parents: diff changeset	1352 public:
a61af66fc99e Initial load duke parents: diff changeset	1353 RetData(DataLayout* layout) : CounterData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1354 assert(layout->tag() == DataLayout::ret_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1355 }
a61af66fc99e Initial load duke parents: diff changeset	1356
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1357 virtual bool is_RetData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1358
a61af66fc99e Initial load duke parents: diff changeset	1359 enum {
a61af66fc99e Initial load duke parents: diff changeset	1360 no_bci = -1 // value of bci when bci1/2 are not in use.
a61af66fc99e Initial load duke parents: diff changeset	1361 };
a61af66fc99e Initial load duke parents: diff changeset	1362
a61af66fc99e Initial load duke parents: diff changeset	1363 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1364 return counter_cell_count + (uint) BciProfileWidth * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1365 }
a61af66fc99e Initial load duke parents: diff changeset	1366
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1367 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1368 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1369 }
a61af66fc99e Initial load duke parents: diff changeset	1370
a61af66fc99e Initial load duke parents: diff changeset	1371 static uint row_limit() {
a61af66fc99e Initial load duke parents: diff changeset	1372 return BciProfileWidth;
a61af66fc99e Initial load duke parents: diff changeset	1373 }
a61af66fc99e Initial load duke parents: diff changeset	1374 static int bci_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1375 return bci0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1376 }
a61af66fc99e Initial load duke parents: diff changeset	1377 static int bci_count_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1378 return count0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1379 }
a61af66fc99e Initial load duke parents: diff changeset	1380 static int bci_displacement_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1381 return displacement0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1382 }
a61af66fc99e Initial load duke parents: diff changeset	1383
a61af66fc99e Initial load duke parents: diff changeset	1384 // Direct accessors
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1385 int bci(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1386 return int_at(bci_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1387 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1388 uint bci_count(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1389 return uint_at(bci_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1390 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1391 int bci_displacement(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1392 return int_at(bci_displacement_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1393 }
a61af66fc99e Initial load duke parents: diff changeset	1394
a61af66fc99e Initial load duke parents: diff changeset	1395 // Interpreter Runtime support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1396 address fixup_ret(int return_bci, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1397
a61af66fc99e Initial load duke parents: diff changeset	1398 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1399 static ByteSize bci_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1400 return cell_offset(bci_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1401 }
a61af66fc99e Initial load duke parents: diff changeset	1402 static ByteSize bci_count_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1403 return cell_offset(bci_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1404 }
a61af66fc99e Initial load duke parents: diff changeset	1405 static ByteSize bci_displacement_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1406 return cell_offset(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 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1410 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1411
a61af66fc99e Initial load duke parents: diff changeset	1412 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1413 void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1414 #endif
a61af66fc99e Initial load duke parents: diff changeset	1415 };
a61af66fc99e Initial load duke parents: diff changeset	1416
a61af66fc99e Initial load duke parents: diff changeset	1417 // BranchData
a61af66fc99e Initial load duke parents: diff changeset	1418 //
a61af66fc99e Initial load duke parents: diff changeset	1419 // A BranchData is used to access profiling data for a two-way branch.
a61af66fc99e Initial load duke parents: diff changeset	1420 // It consists of taken and not_taken counts as well as a data displacement
a61af66fc99e Initial load duke parents: diff changeset	1421 // for the taken case.
a61af66fc99e Initial load duke parents: diff changeset	1422 class BranchData : public JumpData {
a61af66fc99e Initial load duke parents: diff changeset	1423 protected:
a61af66fc99e Initial load duke parents: diff changeset	1424 enum {
a61af66fc99e Initial load duke parents: diff changeset	1425 not_taken_off_set = jump_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1426 branch_cell_count
a61af66fc99e Initial load duke parents: diff changeset	1427 };
a61af66fc99e Initial load duke parents: diff changeset	1428
a61af66fc99e Initial load duke parents: diff changeset	1429 void set_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1430 set_int_at(displacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	1431 }
a61af66fc99e Initial load duke parents: diff changeset	1432
a61af66fc99e Initial load duke parents: diff changeset	1433 public:
a61af66fc99e Initial load duke parents: diff changeset	1434 BranchData(DataLayout* layout) : JumpData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1435 assert(layout->tag() == DataLayout::branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1436 }
a61af66fc99e Initial load duke parents: diff changeset	1437
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1438 virtual bool is_BranchData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1439
a61af66fc99e Initial load duke parents: diff changeset	1440 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1441 return branch_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1442 }
a61af66fc99e Initial load duke parents: diff changeset	1443
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1444 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1445 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1446 }
a61af66fc99e Initial load duke parents: diff changeset	1447
a61af66fc99e Initial load duke parents: diff changeset	1448 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1449 uint not_taken() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1450 return uint_at(not_taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1451 }
a61af66fc99e Initial load duke parents: diff changeset	1452
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1453 void set_not_taken(uint cnt) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1454 set_uint_at(not_taken_off_set, cnt);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1455 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1456
0 a61af66fc99e Initial load duke parents: diff changeset	1457 uint inc_not_taken() {
a61af66fc99e Initial load duke parents: diff changeset	1458 uint cnt = not_taken() + 1;
a61af66fc99e Initial load duke parents: diff changeset	1459 // Did we wrap? Will compiler screw us??
a61af66fc99e Initial load duke parents: diff changeset	1460 if (cnt == 0) cnt--;
a61af66fc99e Initial load duke parents: diff changeset	1461 set_uint_at(not_taken_off_set, cnt);
a61af66fc99e Initial load duke parents: diff changeset	1462 return cnt;
a61af66fc99e Initial load duke parents: diff changeset	1463 }
a61af66fc99e Initial load duke parents: diff changeset	1464
a61af66fc99e Initial load duke parents: diff changeset	1465 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1466 static ByteSize not_taken_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1467 return cell_offset(not_taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1468 }
a61af66fc99e Initial load duke parents: diff changeset	1469 static ByteSize branch_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1470 return cell_offset(branch_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	1471 }
a61af66fc99e Initial load duke parents: diff changeset	1472
a61af66fc99e Initial load duke parents: diff changeset	1473 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1474 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1475
a61af66fc99e Initial load duke parents: diff changeset	1476 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1477 void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1478 #endif
a61af66fc99e Initial load duke parents: diff changeset	1479 };
a61af66fc99e Initial load duke parents: diff changeset	1480
a61af66fc99e Initial load duke parents: diff changeset	1481 // ArrayData
a61af66fc99e Initial load duke parents: diff changeset	1482 //
a61af66fc99e Initial load duke parents: diff changeset	1483 // A ArrayData is a base class for accessing profiling data which does
a61af66fc99e Initial load duke parents: diff changeset	1484 // not have a statically known size. It consists of an array length
a61af66fc99e Initial load duke parents: diff changeset	1485 // and an array start.
a61af66fc99e Initial load duke parents: diff changeset	1486 class ArrayData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	1487 protected:
a61af66fc99e Initial load duke parents: diff changeset	1488 friend class DataLayout;
a61af66fc99e Initial load duke parents: diff changeset	1489
a61af66fc99e Initial load duke parents: diff changeset	1490 enum {
a61af66fc99e Initial load duke parents: diff changeset	1491 array_len_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1492 array_start_off_set
a61af66fc99e Initial load duke parents: diff changeset	1493 };
a61af66fc99e Initial load duke parents: diff changeset	1494
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1495 uint array_uint_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1496 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1497 return uint_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1498 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1499 int array_int_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1500 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1501 return int_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1502 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1503 oop array_oop_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1504 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1505 return oop_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1506 }
a61af66fc99e Initial load duke parents: diff changeset	1507 void array_set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	1508 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1509 set_int_at(aindex, value);
a61af66fc99e Initial load duke parents: diff changeset	1510 }
a61af66fc99e Initial load duke parents: diff changeset	1511
a61af66fc99e Initial load duke parents: diff changeset	1512 // Code generation support for subclasses.
a61af66fc99e Initial load duke parents: diff changeset	1513 static ByteSize array_element_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	1514 return cell_offset(array_start_off_set + index);
a61af66fc99e Initial load duke parents: diff changeset	1515 }
a61af66fc99e Initial load duke parents: diff changeset	1516
a61af66fc99e Initial load duke parents: diff changeset	1517 public:
a61af66fc99e Initial load duke parents: diff changeset	1518 ArrayData(DataLayout* layout) : ProfileData(layout) {}
a61af66fc99e Initial load duke parents: diff changeset	1519
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1520 virtual bool is_ArrayData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1521
a61af66fc99e Initial load duke parents: diff changeset	1522 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1523 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1524 }
a61af66fc99e Initial load duke parents: diff changeset	1525
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1526 int array_len() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1527 return int_at_unchecked(array_len_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1528 }
a61af66fc99e Initial load duke parents: diff changeset	1529
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1530 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1531 return array_len() + 1;
a61af66fc99e Initial load duke parents: diff changeset	1532 }
a61af66fc99e Initial load duke parents: diff changeset	1533
a61af66fc99e Initial load duke parents: diff changeset	1534 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1535 static ByteSize array_len_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1536 return cell_offset(array_len_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1537 }
a61af66fc99e Initial load duke parents: diff changeset	1538 static ByteSize array_start_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1539 return cell_offset(array_start_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1540 }
a61af66fc99e Initial load duke parents: diff changeset	1541 };
a61af66fc99e Initial load duke parents: diff changeset	1542
a61af66fc99e Initial load duke parents: diff changeset	1543 // MultiBranchData
a61af66fc99e Initial load duke parents: diff changeset	1544 //
a61af66fc99e Initial load duke parents: diff changeset	1545 // A MultiBranchData is used to access profiling information for
a61af66fc99e Initial load duke parents: diff changeset	1546 // a multi-way branch (*switch bytecodes). It consists of a series
a61af66fc99e Initial load duke parents: diff changeset	1547 // of (count, displacement) pairs, which count the number of times each
a61af66fc99e Initial load duke parents: diff changeset	1548 // case was taken and specify the data displacment for each branch target.
a61af66fc99e Initial load duke parents: diff changeset	1549 class MultiBranchData : public ArrayData {
a61af66fc99e Initial load duke parents: diff changeset	1550 protected:
a61af66fc99e Initial load duke parents: diff changeset	1551 enum {
a61af66fc99e Initial load duke parents: diff changeset	1552 default_count_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1553 default_disaplacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1554 case_array_start
a61af66fc99e Initial load duke parents: diff changeset	1555 };
a61af66fc99e Initial load duke parents: diff changeset	1556 enum {
a61af66fc99e Initial load duke parents: diff changeset	1557 relative_count_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1558 relative_displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1559 per_case_cell_count
a61af66fc99e Initial load duke parents: diff changeset	1560 };
a61af66fc99e Initial load duke parents: diff changeset	1561
a61af66fc99e Initial load duke parents: diff changeset	1562 void set_default_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1563 array_set_int_at(default_disaplacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	1564 }
a61af66fc99e Initial load duke parents: diff changeset	1565 void set_displacement_at(int index, int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1566 array_set_int_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1567 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1568 relative_displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1569 displacement);
a61af66fc99e Initial load duke parents: diff changeset	1570 }
a61af66fc99e Initial load duke parents: diff changeset	1571
a61af66fc99e Initial load duke parents: diff changeset	1572 public:
a61af66fc99e Initial load duke parents: diff changeset	1573 MultiBranchData(DataLayout* layout) : ArrayData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1574 assert(layout->tag() == DataLayout::multi_branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1575 }
a61af66fc99e Initial load duke parents: diff changeset	1576
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1577 virtual bool is_MultiBranchData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1578
a61af66fc99e Initial load duke parents: diff changeset	1579 static int compute_cell_count(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	1580
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1581 int number_of_cases() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1582 int alen = array_len() - 2; // get rid of default case here.
a61af66fc99e Initial load duke parents: diff changeset	1583 assert(alen % per_case_cell_count == 0, "must be even");
a61af66fc99e Initial load duke parents: diff changeset	1584 return (alen / per_case_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	1585 }
a61af66fc99e Initial load duke parents: diff changeset	1586
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1587 uint default_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1588 return array_uint_at(default_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1589 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1590 int default_displacement() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1591 return array_int_at(default_disaplacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1592 }
a61af66fc99e Initial load duke parents: diff changeset	1593
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1594 uint count_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1595 return array_uint_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1596 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1597 relative_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1598 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1599 int displacement_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1600 return array_int_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1601 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1602 relative_displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1603 }
a61af66fc99e Initial load duke parents: diff changeset	1604
a61af66fc99e Initial load duke parents: diff changeset	1605 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1606 static ByteSize default_count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1607 return array_element_offset(default_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1608 }
a61af66fc99e Initial load duke parents: diff changeset	1609 static ByteSize default_displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1610 return array_element_offset(default_disaplacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1611 }
a61af66fc99e Initial load duke parents: diff changeset	1612 static ByteSize case_count_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	1613 return case_array_offset() +
a61af66fc99e Initial load duke parents: diff changeset	1614 (per_case_size() * index) +
a61af66fc99e Initial load duke parents: diff changeset	1615 relative_count_offset();
a61af66fc99e Initial load duke parents: diff changeset	1616 }
a61af66fc99e Initial load duke parents: diff changeset	1617 static ByteSize case_array_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1618 return array_element_offset(case_array_start);
a61af66fc99e Initial load duke parents: diff changeset	1619 }
a61af66fc99e Initial load duke parents: diff changeset	1620 static ByteSize per_case_size() {
a61af66fc99e Initial load duke parents: diff changeset	1621 return in_ByteSize(per_case_cell_count) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1622 }
a61af66fc99e Initial load duke parents: diff changeset	1623 static ByteSize relative_count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1624 return in_ByteSize(relative_count_off_set) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1625 }
a61af66fc99e Initial load duke parents: diff changeset	1626 static ByteSize relative_displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1627 return in_ByteSize(relative_displacement_off_set) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1628 }
a61af66fc99e Initial load duke parents: diff changeset	1629
a61af66fc99e Initial load duke parents: diff changeset	1630 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1631 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1632
a61af66fc99e Initial load duke parents: diff changeset	1633 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1634 void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1635 #endif
a61af66fc99e Initial load duke parents: diff changeset	1636 };
a61af66fc99e Initial load duke parents: diff changeset	1637
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1638 class ArgInfoData : public ArrayData {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1639
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1640 public:
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1641 ArgInfoData(DataLayout* layout) : ArrayData(layout) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1642 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	1643 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1644
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1645 virtual bool is_ArgInfoData() const { return true; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1646
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1647
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1648 int number_of_args() const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1649 return array_len();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1650 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1651
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1652 uint arg_modified(int arg) const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1653 return array_uint_at(arg);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1654 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1655
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1656 void set_arg_modified(int arg, uint val) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1657 array_set_int_at(arg, val);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1658 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1659
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1660 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1661 void print_data_on(outputStream* st) const;
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1662 #endif
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1663 };
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1664
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1665 // MethodData*
0 a61af66fc99e Initial load duke parents: diff changeset	1666 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1667 // A MethodData* holds information which has been collected about
0 a61af66fc99e Initial load duke parents: diff changeset	1668 // a method. Its layout looks like this:
a61af66fc99e Initial load duke parents: diff changeset	1669 //
a61af66fc99e Initial load duke parents: diff changeset	1670 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1671 // \| header \|
a61af66fc99e Initial load duke parents: diff changeset	1672 // \| klass \|
a61af66fc99e Initial load duke parents: diff changeset	1673 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1674 // \| method \|
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1675 // \| size of the MethodData* \|
0 a61af66fc99e Initial load duke parents: diff changeset	1676 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1677 // \| Data entries... \|
a61af66fc99e Initial load duke parents: diff changeset	1678 // \| (variable size) \|
a61af66fc99e Initial load duke parents: diff changeset	1679 // \| \|
a61af66fc99e Initial load duke parents: diff changeset	1680 // . .
a61af66fc99e Initial load duke parents: diff changeset	1681 // . .
a61af66fc99e Initial load duke parents: diff changeset	1682 // . .
a61af66fc99e Initial load duke parents: diff changeset	1683 // \| \|
a61af66fc99e Initial load duke parents: diff changeset	1684 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1685 //
a61af66fc99e Initial load duke parents: diff changeset	1686 // The data entry area is a heterogeneous array of DataLayouts. Each
a61af66fc99e Initial load duke parents: diff changeset	1687 // DataLayout in the array corresponds to a specific bytecode in the
a61af66fc99e Initial load duke parents: diff changeset	1688 // method. The entries in the array are sorted by the corresponding
a61af66fc99e Initial load duke parents: diff changeset	1689 // bytecode. Access to the data is via resource-allocated ProfileData,
a61af66fc99e Initial load duke parents: diff changeset	1690 // which point to the underlying blocks of DataLayout structures.
a61af66fc99e Initial load duke parents: diff changeset	1691 //
a61af66fc99e Initial load duke parents: diff changeset	1692 // During interpretation, if profiling in enabled, the interpreter
a61af66fc99e Initial load duke parents: diff changeset	1693 // maintains a method data pointer (mdp), which points at the entry
a61af66fc99e Initial load duke parents: diff changeset	1694 // in the array corresponding to the current bci. In the course of
a61af66fc99e Initial load duke parents: diff changeset	1695 // intepretation, when a bytecode is encountered that has profile data
a61af66fc99e Initial load duke parents: diff changeset	1696 // associated with it, the entry pointed to by mdp is updated, then the
a61af66fc99e Initial load duke parents: diff changeset	1697 // mdp is adjusted to point to the next appropriate DataLayout. If mdp
a61af66fc99e Initial load duke parents: diff changeset	1698 // is NULL to begin with, the interpreter assumes that the current method
a61af66fc99e Initial load duke parents: diff changeset	1699 // is not (yet) being profiled.
a61af66fc99e Initial load duke parents: diff changeset	1700 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1701 // In MethodData* parlance, "dp" is a "data pointer", the actual address
0 a61af66fc99e Initial load duke parents: diff changeset	1702 // of a DataLayout element. A "di" is a "data index", the offset in bytes
a61af66fc99e Initial load duke parents: diff changeset	1703 // from the base of the data entry array. A "displacement" is the byte offset
a61af66fc99e Initial load duke parents: diff changeset	1704 // in certain ProfileData objects that indicate the amount the mdp must be
a61af66fc99e Initial load duke parents: diff changeset	1705 // adjusted in the event of a change in control flow.
a61af66fc99e Initial load duke parents: diff changeset	1706 //
a61af66fc99e Initial load duke parents: diff changeset	1707
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1708 class MethodData : public Metadata {
0 a61af66fc99e Initial load duke parents: diff changeset	1709 friend class VMStructs;
a61af66fc99e Initial load duke parents: diff changeset	1710 private:
a61af66fc99e Initial load duke parents: diff changeset	1711 friend class ProfileData;
a61af66fc99e Initial load duke parents: diff changeset	1712
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1713 // Back pointer to the Method*
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1714 Method* _method;
0 a61af66fc99e Initial load duke parents: diff changeset	1715
a61af66fc99e Initial load duke parents: diff changeset	1716 // Size of this oop in bytes
a61af66fc99e Initial load duke parents: diff changeset	1717 int _size;
a61af66fc99e Initial load duke parents: diff changeset	1718
a61af66fc99e Initial load duke parents: diff changeset	1719 // Cached hint for bci_to_dp and bci_to_data
a61af66fc99e Initial load duke parents: diff changeset	1720 int _hint_di;
a61af66fc99e Initial load duke parents: diff changeset	1721
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1722 MethodData(methodHandle method, int size, TRAPS);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1723 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1724 static MethodData* allocate(ClassLoaderData* loader_data, methodHandle method, TRAPS);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1725 MethodData() {}; // For ciMethodData
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1726
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1727 bool is_methodData() const volatile { return true; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1728
0 a61af66fc99e Initial load duke parents: diff changeset	1729 // Whole-method sticky bits and flags
a61af66fc99e Initial load duke parents: diff changeset	1730 enum {
3345 bad7ecd0b6ed 5091921: Sign flip issues in loop optimizer kvn parents: 2333 diff changeset	1731 _trap_hist_limit = 17, // decoupled from Deoptimization::Reason_LIMIT
0 a61af66fc99e Initial load duke parents: diff changeset	1732 _trap_hist_mask = max_jubyte,
a61af66fc99e Initial load duke parents: diff changeset	1733 _extra_data_count = 4 // extra DataLayout headers, for trap history
a61af66fc99e Initial load duke parents: diff changeset	1734 }; // Public flag values
a61af66fc99e Initial load duke parents: diff changeset	1735 private:
a61af66fc99e Initial load duke parents: diff changeset	1736 uint _nof_decompiles; // count of all nmethod removals
a61af66fc99e Initial load duke parents: diff changeset	1737 uint _nof_overflow_recompiles; // recompile count, excluding recomp. bits
a61af66fc99e Initial load duke parents: diff changeset	1738 uint _nof_overflow_traps; // trap count, excluding _trap_hist
a61af66fc99e Initial load duke parents: diff changeset	1739 union {
a61af66fc99e Initial load duke parents: diff changeset	1740 intptr_t _align;
a61af66fc99e Initial load duke parents: diff changeset	1741 u1 _array[_trap_hist_limit];
a61af66fc99e Initial load duke parents: diff changeset	1742 } _trap_hist;
a61af66fc99e Initial load duke parents: diff changeset	1743
a61af66fc99e Initial load duke parents: diff changeset	1744 // Support for interprocedural escape analysis, from Thomas Kotzmann.
a61af66fc99e Initial load duke parents: diff changeset	1745 intx _eflags; // flags on escape information
a61af66fc99e Initial load duke parents: diff changeset	1746 intx _arg_local; // bit set of non-escaping arguments
a61af66fc99e Initial load duke parents: diff changeset	1747 intx _arg_stack; // bit set of stack-allocatable arguments
a61af66fc99e Initial load duke parents: diff changeset	1748 intx _arg_returned; // bit set of returned arguments
a61af66fc99e Initial load duke parents: diff changeset	1749
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1750 int _creation_mileage; // method mileage at MDO creation
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1751
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1752 // How many invocations has this MDO seen?
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1753 // These counters are used to determine the exact age of MDO.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1754 // We need those because in tiered a method can be concurrently
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1755 // executed at different levels.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1756 InvocationCounter _invocation_counter;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1757 // Same for backedges.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1758 InvocationCounter _backedge_counter;
2252 72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1759 // Counter values at the time profiling started.
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1760 int _invocation_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1761 int _backedge_counter_start;
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1762 // Number of loops and blocks is computed when compiling the first
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1763 // time with C1. It is used to determine if method is trivial.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1764 short _num_loops;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1765 short _num_blocks;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1766 // Highest compile level this method has ever seen.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1767 u1 _highest_comp_level;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1768 // Same for OSR level
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1769 u1 _highest_osr_comp_level;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1770 // Does this method contain anything worth profiling?
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1771 bool _would_profile;
0 a61af66fc99e Initial load duke parents: diff changeset	1772
a61af66fc99e Initial load duke parents: diff changeset	1773 // Size of _data array in bytes. (Excludes header and extra_data fields.)
a61af66fc99e Initial load duke parents: diff changeset	1774 int _data_size;
a61af66fc99e Initial load duke parents: diff changeset	1775
a61af66fc99e Initial load duke parents: diff changeset	1776 // Beginning of the data entries
a61af66fc99e Initial load duke parents: diff changeset	1777 intptr_t _data[1];
a61af66fc99e Initial load duke parents: diff changeset	1778
a61af66fc99e Initial load duke parents: diff changeset	1779 // Helper for size computation
a61af66fc99e Initial load duke parents: diff changeset	1780 static int compute_data_size(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	1781 static int bytecode_cell_count(Bytecodes::Code code);
a61af66fc99e Initial load duke parents: diff changeset	1782 enum { no_profile_data = -1, variable_cell_count = -2 };
a61af66fc99e Initial load duke parents: diff changeset	1783
a61af66fc99e Initial load duke parents: diff changeset	1784 // Helper for initialization
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1785 DataLayout* data_layout_at(int data_index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1786 assert(data_index % sizeof(intptr_t) == 0, "unaligned");
a61af66fc99e Initial load duke parents: diff changeset	1787 return (DataLayout*) (((address)_data) + data_index);
a61af66fc99e Initial load duke parents: diff changeset	1788 }
a61af66fc99e Initial load duke parents: diff changeset	1789
a61af66fc99e Initial load duke parents: diff changeset	1790 // Initialize an individual data segment. Returns the size of
a61af66fc99e Initial load duke parents: diff changeset	1791 // the segment in bytes.
a61af66fc99e Initial load duke parents: diff changeset	1792 int initialize_data(BytecodeStream* stream, int data_index);
a61af66fc99e Initial load duke parents: diff changeset	1793
a61af66fc99e Initial load duke parents: diff changeset	1794 // Helper for data_at
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1795 DataLayout* limit_data_position() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1796 return (DataLayout*)((address)data_base() + _data_size);
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 bool out_of_bounds(int data_index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1799 return data_index >= data_size();
a61af66fc99e Initial load duke parents: diff changeset	1800 }
a61af66fc99e Initial load duke parents: diff changeset	1801
a61af66fc99e Initial load duke parents: diff changeset	1802 // Give each of the data entries a chance to perform specific
a61af66fc99e Initial load duke parents: diff changeset	1803 // data initialization.
a61af66fc99e Initial load duke parents: diff changeset	1804 void post_initialize(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	1805
a61af66fc99e Initial load duke parents: diff changeset	1806 // hint accessors
a61af66fc99e Initial load duke parents: diff changeset	1807 int hint_di() const { return _hint_di; }
a61af66fc99e Initial load duke parents: diff changeset	1808 void set_hint_di(int di) {
a61af66fc99e Initial load duke parents: diff changeset	1809 assert(!out_of_bounds(di), "hint_di out of bounds");
a61af66fc99e Initial load duke parents: diff changeset	1810 _hint_di = di;
a61af66fc99e Initial load duke parents: diff changeset	1811 }
a61af66fc99e Initial load duke parents: diff changeset	1812 ProfileData* data_before(int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1813 // avoid SEGV on this edge case
a61af66fc99e Initial load duke parents: diff changeset	1814 if (data_size() == 0)
a61af66fc99e Initial load duke parents: diff changeset	1815 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1816 int hint = hint_di();
a61af66fc99e Initial load duke parents: diff changeset	1817 if (data_layout_at(hint)->bci() <= bci)
a61af66fc99e Initial load duke parents: diff changeset	1818 return data_at(hint);
a61af66fc99e Initial load duke parents: diff changeset	1819 return first_data();
a61af66fc99e Initial load duke parents: diff changeset	1820 }
a61af66fc99e Initial load duke parents: diff changeset	1821
a61af66fc99e Initial load duke parents: diff changeset	1822 // 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	1823 int first_di() const { return 0; }
0 a61af66fc99e Initial load duke parents: diff changeset	1824
a61af66fc99e Initial load duke parents: diff changeset	1825 // Find or create an extra ProfileData:
a61af66fc99e Initial load duke parents: diff changeset	1826 ProfileData* bci_to_extra_data(int bci, bool create_if_missing);
a61af66fc99e Initial load duke parents: diff changeset	1827
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1828 // return the argument info cell
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1829 ArgInfoData *arg_info();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1830
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1831 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1832 no_type_profile = 0,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1833 type_profile_jsr292 = 1,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1834 type_profile_all = 2
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1835 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1836
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1837 static bool profile_jsr292(methodHandle m, int bci);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1838 static int profile_arguments_flag();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1839 static bool profile_arguments_jsr292_only();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1840 static bool profile_all_arguments();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1841 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	1842 static int profile_return_flag();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1843 static bool profile_all_return();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1844 static bool profile_return_for_invoke(methodHandle m, int bci);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1845
0 a61af66fc99e Initial load duke parents: diff changeset	1846 public:
a61af66fc99e Initial load duke parents: diff changeset	1847 static int header_size() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1848 return sizeof(MethodData)/wordSize;
0 a61af66fc99e Initial load duke parents: diff changeset	1849 }
a61af66fc99e Initial load duke parents: diff changeset	1850
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1851 // Compute the size of a MethodData* before it is created.
0 a61af66fc99e Initial load duke parents: diff changeset	1852 static int compute_allocation_size_in_bytes(methodHandle method);
a61af66fc99e Initial load duke parents: diff changeset	1853 static int compute_allocation_size_in_words(methodHandle method);
a61af66fc99e Initial load duke parents: diff changeset	1854 static int compute_extra_data_count(int data_size, int empty_bc_count);
a61af66fc99e Initial load duke parents: diff changeset	1855
a61af66fc99e Initial load duke parents: diff changeset	1856 // Determine if a given bytecode can have profile information.
a61af66fc99e Initial load duke parents: diff changeset	1857 static bool bytecode_has_profile(Bytecodes::Code code) {
a61af66fc99e Initial load duke parents: diff changeset	1858 return bytecode_cell_count(code) != no_profile_data;
a61af66fc99e Initial load duke parents: diff changeset	1859 }
a61af66fc99e Initial load duke parents: diff changeset	1860
9080 b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	1861 // reset into original state
b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	1862 void init();
0 a61af66fc99e Initial load duke parents: diff changeset	1863
a61af66fc99e Initial load duke parents: diff changeset	1864 // My size
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1865 int size_in_bytes() const { return _size; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1866 int size() const { return align_object_size(align_size_up(_size, BytesPerWord)/BytesPerWord); }
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	1867 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	1868 void collect_statistics(KlassSizeStats *sz) const;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	1869 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	1870
a61af66fc99e Initial load duke parents: diff changeset	1871 int creation_mileage() const { return _creation_mileage; }
a61af66fc99e Initial load duke parents: diff changeset	1872 void set_creation_mileage(int x) { _creation_mileage = x; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1873
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1874 int invocation_count() {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1875 if (invocation_counter()->carry()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1876 return InvocationCounter::count_limit;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1877 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1878 return invocation_counter()->count();
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1879 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1880 int backedge_count() {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1881 if (backedge_counter()->carry()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1882 return InvocationCounter::count_limit;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1883 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1884 return backedge_counter()->count();
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1885 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1886
2252 72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1887 int invocation_count_start() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1888 if (invocation_counter()->carry()) {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1889 return 0;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1890 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1891 return _invocation_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1892 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1893
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1894 int backedge_count_start() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1895 if (backedge_counter()->carry()) {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1896 return 0;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1897 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1898 return _backedge_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1899 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1900
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1901 int invocation_count_delta() { return invocation_count() - invocation_count_start(); }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1902 int backedge_count_delta() { return backedge_count() - backedge_count_start(); }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1903
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1904 void reset_start_counters() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1905 _invocation_counter_start = invocation_count();
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1906 _backedge_counter_start = backedge_count();
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1907 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1908
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1909 InvocationCounter* invocation_counter() { return &_invocation_counter; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1910 InvocationCounter* backedge_counter() { return &_backedge_counter; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1911
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1912 void set_would_profile(bool p) { _would_profile = p; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1913 bool would_profile() const { return _would_profile; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1914
10265 92ef81e2f571 8003557: NPG: Klass* const k should be const Klass* k. minqi parents: 9080 diff changeset	1915 int highest_comp_level() const { return _highest_comp_level; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1916 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	1917 int highest_osr_comp_level() const { return _highest_osr_comp_level; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1918 void set_highest_osr_comp_level(int level) { _highest_osr_comp_level = level; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1919
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1920 int num_loops() const { return _num_loops; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1921 void set_num_loops(int n) { _num_loops = n; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1922 int num_blocks() const { return _num_blocks; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1923 void set_num_blocks(int n) { _num_blocks = n; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1924
0 a61af66fc99e Initial load duke parents: diff changeset	1925 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	1926 static int mileage_of(Method* m);
0 a61af66fc99e Initial load duke parents: diff changeset	1927
a61af66fc99e Initial load duke parents: diff changeset	1928 // Support for interprocedural escape analysis, from Thomas Kotzmann.
a61af66fc99e Initial load duke parents: diff changeset	1929 enum EscapeFlag {
a61af66fc99e Initial load duke parents: diff changeset	1930 estimated = 1 << 0,
78 e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	1931 return_local = 1 << 1,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	1932 return_allocated = 1 << 2,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	1933 allocated_escapes = 1 << 3,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	1934 unknown_modified = 1 << 4
0 a61af66fc99e Initial load duke parents: diff changeset	1935 };
a61af66fc99e Initial load duke parents: diff changeset	1936
a61af66fc99e Initial load duke parents: diff changeset	1937 intx eflags() { return _eflags; }
a61af66fc99e Initial load duke parents: diff changeset	1938 intx arg_local() { return _arg_local; }
a61af66fc99e Initial load duke parents: diff changeset	1939 intx arg_stack() { return _arg_stack; }
a61af66fc99e Initial load duke parents: diff changeset	1940 intx arg_returned() { return _arg_returned; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1941 uint arg_modified(int a) { ArgInfoData *aid = arg_info();
9080 b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	1942 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	1943 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	1944 return aid->arg_modified(a); }
0 a61af66fc99e Initial load duke parents: diff changeset	1945
a61af66fc99e Initial load duke parents: diff changeset	1946 void set_eflags(intx v) { _eflags = v; }
a61af66fc99e Initial load duke parents: diff changeset	1947 void set_arg_local(intx v) { _arg_local = v; }
a61af66fc99e Initial load duke parents: diff changeset	1948 void set_arg_stack(intx v) { _arg_stack = v; }
a61af66fc99e Initial load duke parents: diff changeset	1949 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	1950 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	1951 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	1952 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	1953 aid->set_arg_modified(a, v); }
0 a61af66fc99e Initial load duke parents: diff changeset	1954
a61af66fc99e Initial load duke parents: diff changeset	1955 void clear_escape_info() { _eflags = _arg_local = _arg_stack = _arg_returned = 0; }
a61af66fc99e Initial load duke parents: diff changeset	1956
a61af66fc99e Initial load duke parents: diff changeset	1957 // Location and size of data area
a61af66fc99e Initial load duke parents: diff changeset	1958 address data_base() const {
a61af66fc99e Initial load duke parents: diff changeset	1959 return (address) _data;
a61af66fc99e Initial load duke parents: diff changeset	1960 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1961 int data_size() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1962 return _data_size;
a61af66fc99e Initial load duke parents: diff changeset	1963 }
a61af66fc99e Initial load duke parents: diff changeset	1964
a61af66fc99e Initial load duke parents: diff changeset	1965 // Accessors
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1966 Method* method() const { return _method; }
0 a61af66fc99e Initial load duke parents: diff changeset	1967
a61af66fc99e Initial load duke parents: diff changeset	1968 // 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	1969 ProfileData* data_at(int data_index) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1970
a61af66fc99e Initial load duke parents: diff changeset	1971 // Walk through the data in order.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1972 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	1973 ProfileData* next_data(ProfileData* current) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1974 bool is_valid(ProfileData* current) const { return current != NULL; }
0 a61af66fc99e Initial load duke parents: diff changeset	1975
a61af66fc99e Initial load duke parents: diff changeset	1976 // 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	1977 int dp_to_di(address dp) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1978 return dp - ((address)_data);
a61af66fc99e Initial load duke parents: diff changeset	1979 }
a61af66fc99e Initial load duke parents: diff changeset	1980
a61af66fc99e Initial load duke parents: diff changeset	1981 address di_to_dp(int di) {
a61af66fc99e Initial load duke parents: diff changeset	1982 return (address)data_layout_at(di);
a61af66fc99e Initial load duke parents: diff changeset	1983 }
a61af66fc99e Initial load duke parents: diff changeset	1984
a61af66fc99e Initial load duke parents: diff changeset	1985 // bci to di/dp conversion.
a61af66fc99e Initial load duke parents: diff changeset	1986 address bci_to_dp(int bci);
a61af66fc99e Initial load duke parents: diff changeset	1987 int bci_to_di(int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1988 return dp_to_di(bci_to_dp(bci));
a61af66fc99e Initial load duke parents: diff changeset	1989 }
a61af66fc99e Initial load duke parents: diff changeset	1990
a61af66fc99e Initial load duke parents: diff changeset	1991 // Get the data at an arbitrary bci, or NULL if there is none.
a61af66fc99e Initial load duke parents: diff changeset	1992 ProfileData* bci_to_data(int bci);
a61af66fc99e Initial load duke parents: diff changeset	1993
a61af66fc99e Initial load duke parents: diff changeset	1994 // Same, but try to create an extra_data record if one is needed:
a61af66fc99e Initial load duke parents: diff changeset	1995 ProfileData* allocate_bci_to_data(int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1996 ProfileData* data = bci_to_data(bci);
a61af66fc99e Initial load duke parents: diff changeset	1997 return (data != NULL) ? data : bci_to_extra_data(bci, true);
a61af66fc99e Initial load duke parents: diff changeset	1998 }
a61af66fc99e Initial load duke parents: diff changeset	1999
a61af66fc99e Initial load duke parents: diff changeset	2000 // 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	2001 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	2002 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	2003 int extra_data_size() const { return (address)extra_data_limit()
0 a61af66fc99e Initial load duke parents: diff changeset	2004 - (address)extra_data_base(); }
a61af66fc99e Initial load duke parents: diff changeset	2005 static DataLayout* next_extra(DataLayout* dp) { return (DataLayout*)((address)dp + in_bytes(DataLayout::cell_offset(0))); }
a61af66fc99e Initial load duke parents: diff changeset	2006
a61af66fc99e Initial load duke parents: diff changeset	2007 // Return (uint)-1 for overflow.
a61af66fc99e Initial load duke parents: diff changeset	2008 uint trap_count(int reason) const {
a61af66fc99e Initial load duke parents: diff changeset	2009 assert((uint)reason < _trap_hist_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	2010 return (int)((_trap_hist._array[reason]+1) & _trap_hist_mask) - 1;
a61af66fc99e Initial load duke parents: diff changeset	2011 }
a61af66fc99e Initial load duke parents: diff changeset	2012 // For loops:
a61af66fc99e Initial load duke parents: diff changeset	2013 static uint trap_reason_limit() { return _trap_hist_limit; }
a61af66fc99e Initial load duke parents: diff changeset	2014 static uint trap_count_limit() { return _trap_hist_mask; }
a61af66fc99e Initial load duke parents: diff changeset	2015 uint inc_trap_count(int reason) {
a61af66fc99e Initial load duke parents: diff changeset	2016 // Count another trap, anywhere in this method.
a61af66fc99e Initial load duke parents: diff changeset	2017 assert(reason >= 0, "must be single trap");
a61af66fc99e Initial load duke parents: diff changeset	2018 if ((uint)reason < _trap_hist_limit) {
a61af66fc99e Initial load duke parents: diff changeset	2019 uint cnt1 = 1 + _trap_hist._array[reason];
a61af66fc99e Initial load duke parents: diff changeset	2020 if ((cnt1 & _trap_hist_mask) != 0) { // if no counter overflow...
a61af66fc99e Initial load duke parents: diff changeset	2021 _trap_hist._array[reason] = cnt1;
a61af66fc99e Initial load duke parents: diff changeset	2022 return cnt1;
a61af66fc99e Initial load duke parents: diff changeset	2023 } else {
a61af66fc99e Initial load duke parents: diff changeset	2024 return _trap_hist_mask + (++_nof_overflow_traps);
a61af66fc99e Initial load duke parents: diff changeset	2025 }
a61af66fc99e Initial load duke parents: diff changeset	2026 } else {
a61af66fc99e Initial load duke parents: diff changeset	2027 // Could not represent the count in the histogram.
a61af66fc99e Initial load duke parents: diff changeset	2028 return (++_nof_overflow_traps);
a61af66fc99e Initial load duke parents: diff changeset	2029 }
a61af66fc99e Initial load duke parents: diff changeset	2030 }
a61af66fc99e Initial load duke parents: diff changeset	2031
a61af66fc99e Initial load duke parents: diff changeset	2032 uint overflow_trap_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2033 return _nof_overflow_traps;
a61af66fc99e Initial load duke parents: diff changeset	2034 }
a61af66fc99e Initial load duke parents: diff changeset	2035 uint overflow_recompile_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2036 return _nof_overflow_recompiles;
a61af66fc99e Initial load duke parents: diff changeset	2037 }
a61af66fc99e Initial load duke parents: diff changeset	2038 void inc_overflow_recompile_count() {
a61af66fc99e Initial load duke parents: diff changeset	2039 _nof_overflow_recompiles += 1;
a61af66fc99e Initial load duke parents: diff changeset	2040 }
a61af66fc99e Initial load duke parents: diff changeset	2041 uint decompile_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2042 return _nof_decompiles;
a61af66fc99e Initial load duke parents: diff changeset	2043 }
a61af66fc99e Initial load duke parents: diff changeset	2044 void inc_decompile_count() {
a61af66fc99e Initial load duke parents: diff changeset	2045 _nof_decompiles += 1;
1206 87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation kvn parents: 948 diff changeset	2046 if (decompile_count() > (uint)PerMethodRecompilationCutoff) {
7998 6a51fc70a15e 8006613: adding reason to made_not_compilable vlivanov parents: 6725 diff changeset	2047 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	2048 }
0 a61af66fc99e Initial load duke parents: diff changeset	2049 }
a61af66fc99e Initial load duke parents: diff changeset	2050
a61af66fc99e Initial load duke parents: diff changeset	2051 // Support for code generation
a61af66fc99e Initial load duke parents: diff changeset	2052 static ByteSize data_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2053 return byte_offset_of(MethodData, _data[0]);
0 a61af66fc99e Initial load duke parents: diff changeset	2054 }
a61af66fc99e Initial load duke parents: diff changeset	2055
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2056 static ByteSize invocation_counter_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2057 return byte_offset_of(MethodData, _invocation_counter);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2058 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2059 static ByteSize backedge_counter_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2060 return byte_offset_of(MethodData, _backedge_counter);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2061 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2062
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2063 // Deallocation support - no pointer fields to deallocate
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2064 void deallocate_contents(ClassLoaderData* loader_data) {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2065
0 a61af66fc99e Initial load duke parents: diff changeset	2066 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2067 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	2068
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2069 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2070 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2071 void print_on (outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2072 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2073 void print_value_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2074
a61af66fc99e Initial load duke parents: diff changeset	2075 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2076 // printing support for method data
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2077 void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2078 #endif
a61af66fc99e Initial load duke parents: diff changeset	2079
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2080 const char* internal_name() const { return "{method data}"; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2081
0 a61af66fc99e Initial load duke parents: diff changeset	2082 // verification
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2083 void verify_on(outputStream* st);
0 a61af66fc99e Initial load duke parents: diff changeset	2084 void verify_data_on(outputStream* st);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2085
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2086 static bool profile_arguments();
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	2087 static bool profile_return();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	2088 static bool profile_return_jsr292_only();
0 a61af66fc99e Initial load duke parents: diff changeset	2089 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	2090
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	2091 #endif // SHARE_VM_OOPS_METHODDATAOOP_HPP

Mercurial > hg > truffle

annotate src/share/vm/oops/methodData.hpp @ 12882:ce0cc25bc5e2