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

annotate src/share/vm/oops/methodData.hpp @ 17728:b8413a9cbb84

8031752: Failed speculative optimizations should be reattempted when root of compilation is different Summary: support for speculative traps that keep track of the root of the compilation in which a trap occurs. Reviewed-by: kvn, twisti

author	roland
date	Tue, 25 Feb 2014 18:16:24 +0100
parents	6e1826d5c23e
children	1a43981d86ea

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1251 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1251 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1251 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	25 #ifndef SHARE_VM_OOPS_METHODDATAOOP_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	26 #define SHARE_VM_OOPS_METHODDATAOOP_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	28 #include "interpreter/bytecodes.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	29 #include "memory/universe.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	30 #include "oops/method.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	31 #include "oops/oop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	32 #include "runtime/orderAccess.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	33
0 a61af66fc99e Initial load duke parents: diff changeset	34 class BytecodeStream;
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	35 class KlassSizeStats;
0 a61af66fc99e Initial load duke parents: diff changeset	36
a61af66fc99e Initial load duke parents: diff changeset	37 // The MethodData object collects counts and other profile information
a61af66fc99e Initial load duke parents: diff changeset	38 // during zeroth-tier (interpretive) and first-tier execution.
a61af66fc99e Initial load duke parents: diff changeset	39 // The profile is used later by compilation heuristics. Some heuristics
a61af66fc99e Initial load duke parents: diff changeset	40 // enable use of aggressive (or "heroic") optimizations. An aggressive
a61af66fc99e Initial load duke parents: diff changeset	41 // optimization often has a down-side, a corner case that it handles
a61af66fc99e Initial load duke parents: diff changeset	42 // poorly, but which is thought to be rare. The profile provides
a61af66fc99e Initial load duke parents: diff changeset	43 // evidence of this rarity for a given method or even BCI. It allows
a61af66fc99e Initial load duke parents: diff changeset	44 // the compiler to back out of the optimization at places where it
a61af66fc99e Initial load duke parents: diff changeset	45 // has historically been a poor choice. Other heuristics try to use
a61af66fc99e Initial load duke parents: diff changeset	46 // specific information gathered about types observed at a given site.
a61af66fc99e Initial load duke parents: diff changeset	47 //
a61af66fc99e Initial load duke parents: diff changeset	48 // All data in the profile is approximate. It is expected to be accurate
a61af66fc99e Initial load duke parents: diff changeset	49 // on the whole, but the system expects occasional inaccuraces, due to
a61af66fc99e Initial load duke parents: diff changeset	50 // counter overflow, multiprocessor races during data collection, space
a61af66fc99e Initial load duke parents: diff changeset	51 // limitations, missing MDO blocks, etc. Bad or missing data will degrade
a61af66fc99e Initial load duke parents: diff changeset	52 // optimization quality but will not affect correctness. Also, each MDO
a61af66fc99e Initial load duke parents: diff changeset	53 // is marked with its birth-date ("creation_mileage") which can be used
a61af66fc99e Initial load duke parents: diff changeset	54 // to assess the quality ("maturity") of its data.
a61af66fc99e Initial load duke parents: diff changeset	55 //
a61af66fc99e Initial load duke parents: diff changeset	56 // Short (<32-bit) counters are designed to overflow to a known "saturated"
a61af66fc99e Initial load duke parents: diff changeset	57 // state. Also, certain recorded per-BCI events are given one-bit counters
a61af66fc99e Initial load duke parents: diff changeset	58 // which overflow to a saturated state which applied to all counters at
a61af66fc99e Initial load duke parents: diff changeset	59 // that BCI. In other words, there is a small lattice which approximates
a61af66fc99e Initial load duke parents: diff changeset	60 // the ideal of an infinite-precision counter for each event at each BCI,
a61af66fc99e Initial load duke parents: diff changeset	61 // and the lattice quickly "bottoms out" in a state where all counters
a61af66fc99e Initial load duke parents: diff changeset	62 // are taken to be indefinitely large.
a61af66fc99e Initial load duke parents: diff changeset	63 //
a61af66fc99e Initial load duke parents: diff changeset	64 // The reader will find many data races in profile gathering code, starting
a61af66fc99e Initial load duke parents: diff changeset	65 // with invocation counter incrementation. None of these races harm correct
a61af66fc99e Initial load duke parents: diff changeset	66 // execution of the compiled code.
a61af66fc99e Initial load duke parents: diff changeset	67
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	68 // forward decl
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	69 class ProfileData;
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	70
0 a61af66fc99e Initial load duke parents: diff changeset	71 // DataLayout
a61af66fc99e Initial load duke parents: diff changeset	72 //
a61af66fc99e Initial load duke parents: diff changeset	73 // Overlay for generic profiling data.
a61af66fc99e Initial load duke parents: diff changeset	74 class DataLayout VALUE_OBJ_CLASS_SPEC {
12258 69f26e8e09f9 8024760: add more types, fields and constants to VMStructs twisti parents: 10265 diff changeset	75 friend class VMStructs;
69f26e8e09f9 8024760: add more types, fields and constants to VMStructs twisti parents: 10265 diff changeset	76
0 a61af66fc99e Initial load duke parents: diff changeset	77 private:
a61af66fc99e Initial load duke parents: diff changeset	78 // Every data layout begins with a header. This header
a61af66fc99e Initial load duke parents: diff changeset	79 // contains a tag, which is used to indicate the size/layout
a61af66fc99e Initial load duke parents: diff changeset	80 // of the data, 4 bits of flags, which can be used in any way,
a61af66fc99e Initial load duke parents: diff changeset	81 // 4 bits of trap history (none/one reason/many reasons),
a61af66fc99e Initial load duke parents: diff changeset	82 // and a bci, which is used to tie this piece of data to a
a61af66fc99e Initial load duke parents: diff changeset	83 // specific bci in the bytecodes.
a61af66fc99e Initial load duke parents: diff changeset	84 union {
a61af66fc99e Initial load duke parents: diff changeset	85 intptr_t _bits;
a61af66fc99e Initial load duke parents: diff changeset	86 struct {
a61af66fc99e Initial load duke parents: diff changeset	87 u1 _tag;
a61af66fc99e Initial load duke parents: diff changeset	88 u1 _flags;
a61af66fc99e Initial load duke parents: diff changeset	89 u2 _bci;
a61af66fc99e Initial load duke parents: diff changeset	90 } _struct;
a61af66fc99e Initial load duke parents: diff changeset	91 } _header;
a61af66fc99e Initial load duke parents: diff changeset	92
a61af66fc99e Initial load duke parents: diff changeset	93 // The data layout has an arbitrary number of cells, each sized
a61af66fc99e Initial load duke parents: diff changeset	94 // to accomodate a pointer or an integer.
a61af66fc99e Initial load duke parents: diff changeset	95 intptr_t _cells[1];
a61af66fc99e Initial load duke parents: diff changeset	96
a61af66fc99e Initial load duke parents: diff changeset	97 // Some types of data layouts need a length field.
a61af66fc99e Initial load duke parents: diff changeset	98 static bool needs_array_len(u1 tag);
a61af66fc99e Initial load duke parents: diff changeset	99
a61af66fc99e Initial load duke parents: diff changeset	100 public:
a61af66fc99e Initial load duke parents: diff changeset	101 enum {
a61af66fc99e Initial load duke parents: diff changeset	102 counter_increment = 1
a61af66fc99e Initial load duke parents: diff changeset	103 };
a61af66fc99e Initial load duke parents: diff changeset	104
a61af66fc99e Initial load duke parents: diff changeset	105 enum {
a61af66fc99e Initial load duke parents: diff changeset	106 cell_size = sizeof(intptr_t)
a61af66fc99e Initial load duke parents: diff changeset	107 };
a61af66fc99e Initial load duke parents: diff changeset	108
a61af66fc99e Initial load duke parents: diff changeset	109 // Tag values
a61af66fc99e Initial load duke parents: diff changeset	110 enum {
a61af66fc99e Initial load duke parents: diff changeset	111 no_tag,
a61af66fc99e Initial load duke parents: diff changeset	112 bit_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	113 counter_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	114 jump_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	115 receiver_type_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	116 virtual_call_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	117 ret_data_tag,
a61af66fc99e Initial load duke parents: diff changeset	118 branch_data_tag,
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	119 multi_branch_data_tag,
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	120 arg_info_data_tag,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	121 call_type_data_tag,
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	122 virtual_call_type_data_tag,
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	123 parameters_type_data_tag,
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	124 speculative_trap_data_tag
0 a61af66fc99e Initial load duke parents: diff changeset	125 };
a61af66fc99e Initial load duke parents: diff changeset	126
a61af66fc99e Initial load duke parents: diff changeset	127 enum {
a61af66fc99e Initial load duke parents: diff changeset	128 // The _struct._flags word is formatted as [trap_state:4 \| flags:4].
a61af66fc99e Initial load duke parents: diff changeset	129 // The trap state breaks down further as [recompile:1 \| reason:3].
a61af66fc99e Initial load duke parents: diff changeset	130 // This further breakdown is defined in deoptimization.cpp.
a61af66fc99e Initial load duke parents: diff changeset	131 // See Deoptimization::trap_state_reason for an assert that
a61af66fc99e Initial load duke parents: diff changeset	132 // trap_bits is big enough to hold reasons < Reason_RECORDED_LIMIT.
a61af66fc99e Initial load duke parents: diff changeset	133 //
a61af66fc99e Initial load duke parents: diff changeset	134 // The trap_state is collected only if ProfileTraps is true.
a61af66fc99e Initial load duke parents: diff changeset	135 trap_bits = 1+3, // 3: enough to distinguish [0..Reason_RECORDED_LIMIT].
a61af66fc99e Initial load duke parents: diff changeset	136 trap_shift = BitsPerByte - trap_bits,
a61af66fc99e Initial load duke parents: diff changeset	137 trap_mask = right_n_bits(trap_bits),
a61af66fc99e Initial load duke parents: diff changeset	138 trap_mask_in_place = (trap_mask << trap_shift),
a61af66fc99e Initial load duke parents: diff changeset	139 flag_limit = trap_shift,
a61af66fc99e Initial load duke parents: diff changeset	140 flag_mask = right_n_bits(flag_limit),
a61af66fc99e Initial load duke parents: diff changeset	141 first_flag = 0
a61af66fc99e Initial load duke parents: diff changeset	142 };
a61af66fc99e Initial load duke parents: diff changeset	143
a61af66fc99e Initial load duke parents: diff changeset	144 // Size computation
a61af66fc99e Initial load duke parents: diff changeset	145 static int header_size_in_bytes() {
a61af66fc99e Initial load duke parents: diff changeset	146 return cell_size;
a61af66fc99e Initial load duke parents: diff changeset	147 }
a61af66fc99e Initial load duke parents: diff changeset	148 static int header_size_in_cells() {
a61af66fc99e Initial load duke parents: diff changeset	149 return 1;
a61af66fc99e Initial load duke parents: diff changeset	150 }
a61af66fc99e Initial load duke parents: diff changeset	151
a61af66fc99e Initial load duke parents: diff changeset	152 static int compute_size_in_bytes(int cell_count) {
a61af66fc99e Initial load duke parents: diff changeset	153 return header_size_in_bytes() + cell_count * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	154 }
a61af66fc99e Initial load duke parents: diff changeset	155
a61af66fc99e Initial load duke parents: diff changeset	156 // Initialization
a61af66fc99e Initial load duke parents: diff changeset	157 void initialize(u1 tag, u2 bci, int cell_count);
a61af66fc99e Initial load duke parents: diff changeset	158
a61af66fc99e Initial load duke parents: diff changeset	159 // Accessors
a61af66fc99e Initial load duke parents: diff changeset	160 u1 tag() {
a61af66fc99e Initial load duke parents: diff changeset	161 return _header._struct._tag;
a61af66fc99e Initial load duke parents: diff changeset	162 }
a61af66fc99e Initial load duke parents: diff changeset	163
a61af66fc99e Initial load duke parents: diff changeset	164 // Return a few bits of trap state. Range is [0..trap_mask].
a61af66fc99e Initial load duke parents: diff changeset	165 // The state tells if traps with zero, one, or many reasons have occurred.
a61af66fc99e Initial load duke parents: diff changeset	166 // It also tells whether zero or many recompilations have occurred.
a61af66fc99e Initial load duke parents: diff changeset	167 // The associated trap histogram in the MDO itself tells whether
a61af66fc99e Initial load duke parents: diff changeset	168 // traps are common or not. If a BCI shows that a trap X has
a61af66fc99e Initial load duke parents: diff changeset	169 // occurred, and the MDO shows N occurrences of X, we make the
a61af66fc99e Initial load duke parents: diff changeset	170 // simplifying assumption that all N occurrences can be blamed
a61af66fc99e Initial load duke parents: diff changeset	171 // on that BCI.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	172 int trap_state() const {
0 a61af66fc99e Initial load duke parents: diff changeset	173 return ((_header._struct._flags >> trap_shift) & trap_mask);
a61af66fc99e Initial load duke parents: diff changeset	174 }
a61af66fc99e Initial load duke parents: diff changeset	175
a61af66fc99e Initial load duke parents: diff changeset	176 void set_trap_state(int new_state) {
a61af66fc99e Initial load duke parents: diff changeset	177 assert(ProfileTraps, "used only under +ProfileTraps");
a61af66fc99e Initial load duke parents: diff changeset	178 uint old_flags = (_header._struct._flags & flag_mask);
a61af66fc99e Initial load duke parents: diff changeset	179 _header._struct._flags = (new_state << trap_shift) \| old_flags;
a61af66fc99e Initial load duke parents: diff changeset	180 }
a61af66fc99e Initial load duke parents: diff changeset	181
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	182 u1 flags() const {
0 a61af66fc99e Initial load duke parents: diff changeset	183 return _header._struct._flags;
a61af66fc99e Initial load duke parents: diff changeset	184 }
a61af66fc99e Initial load duke parents: diff changeset	185
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	186 u2 bci() const {
0 a61af66fc99e Initial load duke parents: diff changeset	187 return _header._struct._bci;
a61af66fc99e Initial load duke parents: diff changeset	188 }
a61af66fc99e Initial load duke parents: diff changeset	189
a61af66fc99e Initial load duke parents: diff changeset	190 void set_header(intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	191 _header._bits = value;
a61af66fc99e Initial load duke parents: diff changeset	192 }
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	193 bool atomic_set_header(intptr_t value) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	194 if (Atomic::cmpxchg_ptr(value, (volatile intptr_t*)&_header._bits, 0) == 0) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	195 return true;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	196 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	197 return false;
0 a61af66fc99e Initial load duke parents: diff changeset	198 }
a61af66fc99e Initial load duke parents: diff changeset	199 intptr_t header() {
a61af66fc99e Initial load duke parents: diff changeset	200 return _header._bits;
a61af66fc99e Initial load duke parents: diff changeset	201 }
a61af66fc99e Initial load duke parents: diff changeset	202 void set_cell_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	203 _cells[index] = value;
a61af66fc99e Initial load duke parents: diff changeset	204 }
a61af66fc99e Initial load duke parents: diff changeset	205 void release_set_cell_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	206 OrderAccess::release_store_ptr(&_cells[index], value);
a61af66fc99e Initial load duke parents: diff changeset	207 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	208 intptr_t cell_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	209 return _cells[index];
a61af66fc99e Initial load duke parents: diff changeset	210 }
a61af66fc99e Initial load duke parents: diff changeset	211
a61af66fc99e Initial load duke parents: diff changeset	212 void set_flag_at(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	213 assert(flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	214 _header._struct._flags \|= (0x1 << flag_number);
a61af66fc99e Initial load duke parents: diff changeset	215 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	216 bool flag_at(int flag_number) const {
0 a61af66fc99e Initial load duke parents: diff changeset	217 assert(flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	218 return (_header._struct._flags & (0x1 << flag_number)) != 0;
a61af66fc99e Initial load duke parents: diff changeset	219 }
a61af66fc99e Initial load duke parents: diff changeset	220
a61af66fc99e Initial load duke parents: diff changeset	221 // Low-level support for code generation.
a61af66fc99e Initial load duke parents: diff changeset	222 static ByteSize header_offset() {
a61af66fc99e Initial load duke parents: diff changeset	223 return byte_offset_of(DataLayout, _header);
a61af66fc99e Initial load duke parents: diff changeset	224 }
a61af66fc99e Initial load duke parents: diff changeset	225 static ByteSize tag_offset() {
a61af66fc99e Initial load duke parents: diff changeset	226 return byte_offset_of(DataLayout, _header._struct._tag);
a61af66fc99e Initial load duke parents: diff changeset	227 }
a61af66fc99e Initial load duke parents: diff changeset	228 static ByteSize flags_offset() {
a61af66fc99e Initial load duke parents: diff changeset	229 return byte_offset_of(DataLayout, _header._struct._flags);
a61af66fc99e Initial load duke parents: diff changeset	230 }
a61af66fc99e Initial load duke parents: diff changeset	231 static ByteSize bci_offset() {
a61af66fc99e Initial load duke parents: diff changeset	232 return byte_offset_of(DataLayout, _header._struct._bci);
a61af66fc99e Initial load duke parents: diff changeset	233 }
a61af66fc99e Initial load duke parents: diff changeset	234 static ByteSize cell_offset(int index) {
2333 f767174aac14 7021653: Parfait issue in hotspot/src/share/vm/oops/methodDataOops.hpp coleenp parents: 2264 diff changeset	235 return byte_offset_of(DataLayout, _cells) + in_ByteSize(index * cell_size);
0 a61af66fc99e Initial load duke parents: diff changeset	236 }
a61af66fc99e Initial load duke parents: diff changeset	237 // Return a value which, when or-ed as a byte into _flags, sets the flag.
a61af66fc99e Initial load duke parents: diff changeset	238 static int flag_number_to_byte_constant(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	239 assert(0 <= flag_number && flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	240 DataLayout temp; temp.set_header(0);
a61af66fc99e Initial load duke parents: diff changeset	241 temp.set_flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	242 return temp._header._struct._flags;
a61af66fc99e Initial load duke parents: diff changeset	243 }
a61af66fc99e Initial load duke parents: diff changeset	244 // Return a value which, when or-ed as a word into _header, sets the flag.
a61af66fc99e Initial load duke parents: diff changeset	245 static intptr_t flag_mask_to_header_mask(int byte_constant) {
a61af66fc99e Initial load duke parents: diff changeset	246 DataLayout temp; temp.set_header(0);
a61af66fc99e Initial load duke parents: diff changeset	247 temp._header._struct._flags = byte_constant;
a61af66fc99e Initial load duke parents: diff changeset	248 return temp._header._bits;
a61af66fc99e Initial load duke parents: diff changeset	249 }
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	250
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	251 ProfileData* data_in();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	252
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	253 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	254 void clean_weak_klass_links(BoolObjectClosure* cl);
0 a61af66fc99e Initial load duke parents: diff changeset	255 };
a61af66fc99e Initial load duke parents: diff changeset	256
a61af66fc99e Initial load duke parents: diff changeset	257
a61af66fc99e Initial load duke parents: diff changeset	258 // ProfileData class hierarchy
a61af66fc99e Initial load duke parents: diff changeset	259 class ProfileData;
a61af66fc99e Initial load duke parents: diff changeset	260 class BitData;
a61af66fc99e Initial load duke parents: diff changeset	261 class CounterData;
a61af66fc99e Initial load duke parents: diff changeset	262 class ReceiverTypeData;
a61af66fc99e Initial load duke parents: diff changeset	263 class VirtualCallData;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	264 class VirtualCallTypeData;
0 a61af66fc99e Initial load duke parents: diff changeset	265 class RetData;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	266 class CallTypeData;
0 a61af66fc99e Initial load duke parents: diff changeset	267 class JumpData;
a61af66fc99e Initial load duke parents: diff changeset	268 class BranchData;
a61af66fc99e Initial load duke parents: diff changeset	269 class ArrayData;
a61af66fc99e Initial load duke parents: diff changeset	270 class MultiBranchData;
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	271 class ArgInfoData;
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	272 class ParametersTypeData;
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	273 class SpeculativeTrapData;
0 a61af66fc99e Initial load duke parents: diff changeset	274
a61af66fc99e Initial load duke parents: diff changeset	275 // ProfileData
a61af66fc99e Initial load duke parents: diff changeset	276 //
a61af66fc99e Initial load duke parents: diff changeset	277 // A ProfileData object is created to refer to a section of profiling
a61af66fc99e Initial load duke parents: diff changeset	278 // data in a structured way.
a61af66fc99e Initial load duke parents: diff changeset	279 class ProfileData : public ResourceObj {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	280 friend class TypeEntries;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	281 friend class ReturnTypeEntry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	282 friend class TypeStackSlotEntries;
0 a61af66fc99e Initial load duke parents: diff changeset	283 private:
a61af66fc99e Initial load duke parents: diff changeset	284 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	285 enum {
a61af66fc99e Initial load duke parents: diff changeset	286 tab_width_one = 16,
a61af66fc99e Initial load duke parents: diff changeset	287 tab_width_two = 36
a61af66fc99e Initial load duke parents: diff changeset	288 };
a61af66fc99e Initial load duke parents: diff changeset	289 #endif // !PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	290
a61af66fc99e Initial load duke parents: diff changeset	291 // This is a pointer to a section of profiling data.
a61af66fc99e Initial load duke parents: diff changeset	292 DataLayout* _data;
a61af66fc99e Initial load duke parents: diff changeset	293
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	294 char* print_data_on_helper(const MethodData* md) const;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	295
0 a61af66fc99e Initial load duke parents: diff changeset	296 protected:
a61af66fc99e Initial load duke parents: diff changeset	297 DataLayout* data() { return _data; }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	298 const DataLayout* data() const { return _data; }
0 a61af66fc99e Initial load duke parents: diff changeset	299
a61af66fc99e Initial load duke parents: diff changeset	300 enum {
a61af66fc99e Initial load duke parents: diff changeset	301 cell_size = DataLayout::cell_size
a61af66fc99e Initial load duke parents: diff changeset	302 };
a61af66fc99e Initial load duke parents: diff changeset	303
a61af66fc99e Initial load duke parents: diff changeset	304 public:
a61af66fc99e Initial load duke parents: diff changeset	305 // How many cells are in this?
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	306 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	307 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	308 return -1;
a61af66fc99e Initial load duke parents: diff changeset	309 }
a61af66fc99e Initial load duke parents: diff changeset	310
a61af66fc99e Initial load duke parents: diff changeset	311 // Return the size of this data.
a61af66fc99e Initial load duke parents: diff changeset	312 int size_in_bytes() {
a61af66fc99e Initial load duke parents: diff changeset	313 return DataLayout::compute_size_in_bytes(cell_count());
a61af66fc99e Initial load duke parents: diff changeset	314 }
a61af66fc99e Initial load duke parents: diff changeset	315
a61af66fc99e Initial load duke parents: diff changeset	316 protected:
a61af66fc99e Initial load duke parents: diff changeset	317 // Low-level accessors for underlying data
a61af66fc99e Initial load duke parents: diff changeset	318 void set_intptr_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	319 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	320 data()->set_cell_at(index, value);
a61af66fc99e Initial load duke parents: diff changeset	321 }
a61af66fc99e Initial load duke parents: diff changeset	322 void release_set_intptr_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	323 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	324 data()->release_set_cell_at(index, value);
a61af66fc99e Initial load duke parents: diff changeset	325 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	326 intptr_t intptr_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	327 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	328 return data()->cell_at(index);
a61af66fc99e Initial load duke parents: diff changeset	329 }
a61af66fc99e Initial load duke parents: diff changeset	330 void set_uint_at(int index, uint 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_uint_at(int index, uint 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 uint uint_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	337 return (uint)intptr_at(index);
a61af66fc99e Initial load duke parents: diff changeset	338 }
a61af66fc99e Initial load duke parents: diff changeset	339 void set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	340 set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	341 }
a61af66fc99e Initial load duke parents: diff changeset	342 void release_set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	343 release_set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	344 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	345 int int_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	346 return (int)intptr_at(index);
a61af66fc99e Initial load duke parents: diff changeset	347 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	348 int int_at_unchecked(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	349 return (int)data()->cell_at(index);
a61af66fc99e Initial load duke parents: diff changeset	350 }
a61af66fc99e Initial load duke parents: diff changeset	351 void set_oop_at(int index, oop value) {
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12258 diff changeset	352 set_intptr_at(index, cast_from_oop<intptr_t>(value));
0 a61af66fc99e Initial load duke parents: diff changeset	353 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	354 oop oop_at(int index) const {
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12258 diff changeset	355 return cast_to_oop(intptr_at(index));
0 a61af66fc99e Initial load duke parents: diff changeset	356 }
a61af66fc99e Initial load duke parents: diff changeset	357
a61af66fc99e Initial load duke parents: diff changeset	358 void set_flag_at(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	359 data()->set_flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	360 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	361 bool flag_at(int flag_number) const {
0 a61af66fc99e Initial load duke parents: diff changeset	362 return data()->flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	363 }
a61af66fc99e Initial load duke parents: diff changeset	364
a61af66fc99e Initial load duke parents: diff changeset	365 // two convenient imports for use by subclasses:
a61af66fc99e Initial load duke parents: diff changeset	366 static ByteSize cell_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	367 return DataLayout::cell_offset(index);
a61af66fc99e Initial load duke parents: diff changeset	368 }
a61af66fc99e Initial load duke parents: diff changeset	369 static int flag_number_to_byte_constant(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	370 return DataLayout::flag_number_to_byte_constant(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	371 }
a61af66fc99e Initial load duke parents: diff changeset	372
a61af66fc99e Initial load duke parents: diff changeset	373 ProfileData(DataLayout* data) {
a61af66fc99e Initial load duke parents: diff changeset	374 _data = data;
a61af66fc99e Initial load duke parents: diff changeset	375 }
a61af66fc99e Initial load duke parents: diff changeset	376
a61af66fc99e Initial load duke parents: diff changeset	377 public:
a61af66fc99e Initial load duke parents: diff changeset	378 // Constructor for invalid ProfileData.
a61af66fc99e Initial load duke parents: diff changeset	379 ProfileData();
a61af66fc99e Initial load duke parents: diff changeset	380
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	381 u2 bci() const {
0 a61af66fc99e Initial load duke parents: diff changeset	382 return data()->bci();
a61af66fc99e Initial load duke parents: diff changeset	383 }
a61af66fc99e Initial load duke parents: diff changeset	384
a61af66fc99e Initial load duke parents: diff changeset	385 address dp() {
a61af66fc99e Initial load duke parents: diff changeset	386 return (address)_data;
a61af66fc99e Initial load duke parents: diff changeset	387 }
a61af66fc99e Initial load duke parents: diff changeset	388
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	389 int trap_state() const {
0 a61af66fc99e Initial load duke parents: diff changeset	390 return data()->trap_state();
a61af66fc99e Initial load duke parents: diff changeset	391 }
a61af66fc99e Initial load duke parents: diff changeset	392 void set_trap_state(int new_state) {
a61af66fc99e Initial load duke parents: diff changeset	393 data()->set_trap_state(new_state);
a61af66fc99e Initial load duke parents: diff changeset	394 }
a61af66fc99e Initial load duke parents: diff changeset	395
a61af66fc99e Initial load duke parents: diff changeset	396 // Type checking
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	397 virtual bool is_BitData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	398 virtual bool is_CounterData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	399 virtual bool is_JumpData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	400 virtual bool is_ReceiverTypeData()const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	401 virtual bool is_VirtualCallData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	402 virtual bool is_RetData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	403 virtual bool is_BranchData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	404 virtual bool is_ArrayData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	405 virtual bool is_MultiBranchData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	406 virtual bool is_ArgInfoData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	407 virtual bool is_CallTypeData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	408 virtual bool is_VirtualCallTypeData()const { return false; }
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	409 virtual bool is_ParametersTypeData() const { return false; }
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	410 virtual bool is_SpeculativeTrapData()const { return false; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	411
0 a61af66fc99e Initial load duke parents: diff changeset	412
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	413 BitData* as_BitData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	414 assert(is_BitData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	415 return is_BitData() ? (BitData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	416 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	417 CounterData* as_CounterData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	418 assert(is_CounterData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	419 return is_CounterData() ? (CounterData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	420 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	421 JumpData* as_JumpData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	422 assert(is_JumpData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	423 return is_JumpData() ? (JumpData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	424 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	425 ReceiverTypeData* as_ReceiverTypeData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	426 assert(is_ReceiverTypeData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	427 return is_ReceiverTypeData() ? (ReceiverTypeData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	428 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	429 VirtualCallData* as_VirtualCallData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	430 assert(is_VirtualCallData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	431 return is_VirtualCallData() ? (VirtualCallData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	432 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	433 RetData* as_RetData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	434 assert(is_RetData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	435 return is_RetData() ? (RetData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	436 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	437 BranchData* as_BranchData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	438 assert(is_BranchData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	439 return is_BranchData() ? (BranchData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	440 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	441 ArrayData* as_ArrayData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	442 assert(is_ArrayData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	443 return is_ArrayData() ? (ArrayData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	444 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	445 MultiBranchData* as_MultiBranchData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	446 assert(is_MultiBranchData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	447 return is_MultiBranchData() ? (MultiBranchData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	448 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	449 ArgInfoData* as_ArgInfoData() const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	450 assert(is_ArgInfoData(), "wrong type");
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	451 return is_ArgInfoData() ? (ArgInfoData*)this : NULL;
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	452 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	453 CallTypeData* as_CallTypeData() const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	454 assert(is_CallTypeData(), "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	455 return is_CallTypeData() ? (CallTypeData*)this : NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	456 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	457 VirtualCallTypeData* as_VirtualCallTypeData() const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	458 assert(is_VirtualCallTypeData(), "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	459 return is_VirtualCallTypeData() ? (VirtualCallTypeData*)this : NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	460 }
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	461 ParametersTypeData* as_ParametersTypeData() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	462 assert(is_ParametersTypeData(), "wrong type");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	463 return is_ParametersTypeData() ? (ParametersTypeData*)this : NULL;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	464 }
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	465 SpeculativeTrapData* as_SpeculativeTrapData() const {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	466 assert(is_SpeculativeTrapData(), "wrong type");
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	467 return is_SpeculativeTrapData() ? (SpeculativeTrapData*)this : NULL;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	468 }
0 a61af66fc99e Initial load duke parents: diff changeset	469
a61af66fc99e Initial load duke parents: diff changeset	470
a61af66fc99e Initial load duke parents: diff changeset	471 // Subclass specific initialization
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	472 virtual void post_initialize(BytecodeStream* stream, MethodData* mdo) {}
0 a61af66fc99e Initial load duke parents: diff changeset	473
a61af66fc99e Initial load duke parents: diff changeset	474 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	475 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {}
0 a61af66fc99e Initial load duke parents: diff changeset	476
a61af66fc99e Initial load duke parents: diff changeset	477 // CI translation: ProfileData can represent both MethodDataOop data
a61af66fc99e Initial load duke parents: diff changeset	478 // as well as CIMethodData data. This function is provided for translating
a61af66fc99e Initial load duke parents: diff changeset	479 // an oop in a ProfileData to the ci equivalent. Generally speaking,
a61af66fc99e Initial load duke parents: diff changeset	480 // most ProfileData don't require any translation, so we provide the null
a61af66fc99e Initial load duke parents: diff changeset	481 // 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	482 virtual void translate_from(const ProfileData* data) {}
0 a61af66fc99e Initial load duke parents: diff changeset	483
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	484 virtual void print_data_on(outputStream* st, const char* extra = NULL) const {
0 a61af66fc99e Initial load duke parents: diff changeset	485 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	486 }
a61af66fc99e Initial load duke parents: diff changeset	487
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	488 void print_data_on(outputStream* st, const MethodData* md) const;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	489
0 a61af66fc99e Initial load duke parents: diff changeset	490 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	491 void print_shared(outputStream* st, const char* name, const char* extra) const;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	492 void tab(outputStream* st, bool first = false) const;
0 a61af66fc99e Initial load duke parents: diff changeset	493 #endif
a61af66fc99e Initial load duke parents: diff changeset	494 };
a61af66fc99e Initial load duke parents: diff changeset	495
a61af66fc99e Initial load duke parents: diff changeset	496 // BitData
a61af66fc99e Initial load duke parents: diff changeset	497 //
a61af66fc99e Initial load duke parents: diff changeset	498 // A BitData holds a flag or two in its header.
a61af66fc99e Initial load duke parents: diff changeset	499 class BitData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	500 protected:
a61af66fc99e Initial load duke parents: diff changeset	501 enum {
a61af66fc99e Initial load duke parents: diff changeset	502 // null_seen:
a61af66fc99e Initial load duke parents: diff changeset	503 // saw a null operand (cast/aastore/instanceof)
a61af66fc99e Initial load duke parents: diff changeset	504 null_seen_flag = DataLayout::first_flag + 0
a61af66fc99e Initial load duke parents: diff changeset	505 };
a61af66fc99e Initial load duke parents: diff changeset	506 enum { bit_cell_count = 0 }; // no additional data fields needed.
a61af66fc99e Initial load duke parents: diff changeset	507 public:
a61af66fc99e Initial load duke parents: diff changeset	508 BitData(DataLayout* layout) : ProfileData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	509 }
a61af66fc99e Initial load duke parents: diff changeset	510
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	511 virtual bool is_BitData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	512
a61af66fc99e Initial load duke parents: diff changeset	513 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	514 return bit_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	515 }
a61af66fc99e Initial load duke parents: diff changeset	516
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	517 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	518 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	519 }
a61af66fc99e Initial load duke parents: diff changeset	520
a61af66fc99e Initial load duke parents: diff changeset	521 // Accessor
a61af66fc99e Initial load duke parents: diff changeset	522
a61af66fc99e Initial load duke parents: diff changeset	523 // The null_seen flag bit is specially known to the interpreter.
a61af66fc99e Initial load duke parents: diff changeset	524 // Consulting it allows the compiler to avoid setting up null_check traps.
a61af66fc99e Initial load duke parents: diff changeset	525 bool null_seen() { return flag_at(null_seen_flag); }
a61af66fc99e Initial load duke parents: diff changeset	526 void set_null_seen() { set_flag_at(null_seen_flag); }
a61af66fc99e Initial load duke parents: diff changeset	527
a61af66fc99e Initial load duke parents: diff changeset	528
a61af66fc99e Initial load duke parents: diff changeset	529 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	530 static int null_seen_byte_constant() {
a61af66fc99e Initial load duke parents: diff changeset	531 return flag_number_to_byte_constant(null_seen_flag);
a61af66fc99e Initial load duke parents: diff changeset	532 }
a61af66fc99e Initial load duke parents: diff changeset	533
a61af66fc99e Initial load duke parents: diff changeset	534 static ByteSize bit_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	535 return cell_offset(bit_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	536 }
a61af66fc99e Initial load duke parents: diff changeset	537
a61af66fc99e Initial load duke parents: diff changeset	538 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	539 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	540 #endif
a61af66fc99e Initial load duke parents: diff changeset	541 };
a61af66fc99e Initial load duke parents: diff changeset	542
a61af66fc99e Initial load duke parents: diff changeset	543 // CounterData
a61af66fc99e Initial load duke parents: diff changeset	544 //
a61af66fc99e Initial load duke parents: diff changeset	545 // A CounterData corresponds to a simple counter.
a61af66fc99e Initial load duke parents: diff changeset	546 class CounterData : public BitData {
a61af66fc99e Initial load duke parents: diff changeset	547 protected:
a61af66fc99e Initial load duke parents: diff changeset	548 enum {
a61af66fc99e Initial load duke parents: diff changeset	549 count_off,
a61af66fc99e Initial load duke parents: diff changeset	550 counter_cell_count
a61af66fc99e Initial load duke parents: diff changeset	551 };
a61af66fc99e Initial load duke parents: diff changeset	552 public:
a61af66fc99e Initial load duke parents: diff changeset	553 CounterData(DataLayout* layout) : BitData(layout) {}
a61af66fc99e Initial load duke parents: diff changeset	554
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	555 virtual bool is_CounterData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	556
a61af66fc99e Initial load duke parents: diff changeset	557 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	558 return counter_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	559 }
a61af66fc99e Initial load duke parents: diff changeset	560
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	561 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	562 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	563 }
a61af66fc99e Initial load duke parents: diff changeset	564
a61af66fc99e Initial load duke parents: diff changeset	565 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	566 uint count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	567 return uint_at(count_off);
a61af66fc99e Initial load duke parents: diff changeset	568 }
a61af66fc99e Initial load duke parents: diff changeset	569
a61af66fc99e Initial load duke parents: diff changeset	570 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	571 static ByteSize count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	572 return cell_offset(count_off);
a61af66fc99e Initial load duke parents: diff changeset	573 }
a61af66fc99e Initial load duke parents: diff changeset	574 static ByteSize counter_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	575 return cell_offset(counter_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	576 }
a61af66fc99e Initial load duke parents: diff changeset	577
1251 576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	578 void set_count(uint count) {
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	579 set_uint_at(count_off, count);
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	580 }
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	581
0 a61af66fc99e Initial load duke parents: diff changeset	582 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	583 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	584 #endif
a61af66fc99e Initial load duke parents: diff changeset	585 };
a61af66fc99e Initial load duke parents: diff changeset	586
a61af66fc99e Initial load duke parents: diff changeset	587 // JumpData
a61af66fc99e Initial load duke parents: diff changeset	588 //
a61af66fc99e Initial load duke parents: diff changeset	589 // A JumpData is used to access profiling information for a direct
a61af66fc99e Initial load duke parents: diff changeset	590 // branch. It is a counter, used for counting the number of branches,
a61af66fc99e Initial load duke parents: diff changeset	591 // plus a data displacement, used for realigning the data pointer to
a61af66fc99e Initial load duke parents: diff changeset	592 // the corresponding target bci.
a61af66fc99e Initial load duke parents: diff changeset	593 class JumpData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	594 protected:
a61af66fc99e Initial load duke parents: diff changeset	595 enum {
a61af66fc99e Initial load duke parents: diff changeset	596 taken_off_set,
a61af66fc99e Initial load duke parents: diff changeset	597 displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	598 jump_cell_count
a61af66fc99e Initial load duke parents: diff changeset	599 };
a61af66fc99e Initial load duke parents: diff changeset	600
a61af66fc99e Initial load duke parents: diff changeset	601 void set_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	602 set_int_at(displacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	603 }
a61af66fc99e Initial load duke parents: diff changeset	604
a61af66fc99e Initial load duke parents: diff changeset	605 public:
a61af66fc99e Initial load duke parents: diff changeset	606 JumpData(DataLayout* layout) : ProfileData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	607 assert(layout->tag() == DataLayout::jump_data_tag \|\|
a61af66fc99e Initial load duke parents: diff changeset	608 layout->tag() == DataLayout::branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	609 }
a61af66fc99e Initial load duke parents: diff changeset	610
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	611 virtual bool is_JumpData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	612
a61af66fc99e Initial load duke parents: diff changeset	613 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	614 return jump_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	615 }
a61af66fc99e Initial load duke parents: diff changeset	616
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	617 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	618 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	619 }
a61af66fc99e Initial load duke parents: diff changeset	620
a61af66fc99e Initial load duke parents: diff changeset	621 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	622 uint taken() const {
0 a61af66fc99e Initial load duke parents: diff changeset	623 return uint_at(taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	624 }
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	625
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	626 void set_taken(uint cnt) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	627 set_uint_at(taken_off_set, cnt);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	628 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	629
0 a61af66fc99e Initial load duke parents: diff changeset	630 // Saturating counter
a61af66fc99e Initial load duke parents: diff changeset	631 uint inc_taken() {
a61af66fc99e Initial load duke parents: diff changeset	632 uint cnt = taken() + 1;
a61af66fc99e Initial load duke parents: diff changeset	633 // Did we wrap? Will compiler screw us??
a61af66fc99e Initial load duke parents: diff changeset	634 if (cnt == 0) cnt--;
a61af66fc99e Initial load duke parents: diff changeset	635 set_uint_at(taken_off_set, cnt);
a61af66fc99e Initial load duke parents: diff changeset	636 return cnt;
a61af66fc99e Initial load duke parents: diff changeset	637 }
a61af66fc99e Initial load duke parents: diff changeset	638
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	639 int displacement() const {
0 a61af66fc99e Initial load duke parents: diff changeset	640 return int_at(displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	641 }
a61af66fc99e Initial load duke parents: diff changeset	642
a61af66fc99e Initial load duke parents: diff changeset	643 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	644 static ByteSize taken_offset() {
a61af66fc99e Initial load duke parents: diff changeset	645 return cell_offset(taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	646 }
a61af66fc99e Initial load duke parents: diff changeset	647
a61af66fc99e Initial load duke parents: diff changeset	648 static ByteSize displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	649 return cell_offset(displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	650 }
a61af66fc99e Initial load duke parents: diff changeset	651
a61af66fc99e Initial load duke parents: diff changeset	652 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	653 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	654
a61af66fc99e Initial load duke parents: diff changeset	655 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	656 void print_data_on(outputStream* st, const char* extra = NULL) const;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	657 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	658 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	659
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	660 // 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	661 // 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	662 // 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	663 // 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	664 // is tracked (unlike VirtualCallData).
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	665 class TypeEntries {
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 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	668
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	669 // 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	670 // - the cell is initialized to 0
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	671 // - 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	672 // - 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	673 // was encountered or not
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	674 // - 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	675
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	676 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	677 null_seen = 1,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	678 type_mask = ~null_seen,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	679 type_unknown = 2,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	680 status_bits = null_seen \| type_unknown,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	681 type_klass_mask = ~status_bits
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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	684 // what to initialize a cell to
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	685 static intptr_t type_none() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	686 return 0;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	687 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	688
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	689 // null seen = bit 0 set?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	690 static bool was_null_seen(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	691 return (v & null_seen) != 0;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	692 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	693
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	694 // conflicting type information = bit 1 set?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	695 static bool is_type_unknown(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	696 return (v & type_unknown) != 0;
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 // not type information yet = all bits cleared, ignoring bit 0?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	700 static bool is_type_none(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	701 return (v & type_mask) == 0;
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 // recorded type: cell without bit 0 and 1
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	705 static intptr_t klass_part(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	706 intptr_t r = v & type_klass_mask;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	707 return r;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	708 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	709
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	710 // type recorded
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	711 static Klass* valid_klass(intptr_t k) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	712 if (!is_type_none(k) &&
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	713 !is_type_unknown(k)) {
13080 6e1826d5c23e 8027572: assert(r != 0) failed: invalid roland parents: 12962 diff changeset	714 Klass* res = (Klass*)klass_part(k);
6e1826d5c23e 8027572: assert(r != 0) failed: invalid roland parents: 12962 diff changeset	715 assert(res != NULL, "invalid");
6e1826d5c23e 8027572: assert(r != 0) failed: invalid roland parents: 12962 diff changeset	716 return res;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	717 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	718 return NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	719 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	720 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	721
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	722 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	723 return k \| (in & status_bits);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	724 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	725
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	726 static intptr_t with_status(Klass* k, intptr_t in) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	727 return with_status((intptr_t)k, in);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	728 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	729
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	730 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	731 static void print_klass(outputStream* st, intptr_t k);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	732 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	733
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	734 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	735 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	736
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	737 protected:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	738 // ProfileData object these entries are part of
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	739 ProfileData* _pd;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	740 // offset within the ProfileData object where the entries start
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	741 const int _base_off;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	742
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	743 TypeEntries(int base_off)
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	744 : _base_off(base_off), _pd(NULL) {}
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	745
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	746 void set_intptr_at(int index, intptr_t value) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	747 _pd->set_intptr_at(index, value);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	748 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	749
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	750 intptr_t intptr_at(int index) const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	751 return _pd->intptr_at(index);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	752 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	753
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	754 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	755 void set_profile_data(ProfileData* pd) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	756 _pd = pd;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	757 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	758 };
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 // 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	761 // 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	762 // TypeEntries and one initialized with the stack slot where the
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	763 // 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	764 // it quickly.
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	765 class TypeStackSlotEntries : public TypeEntries {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	766
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	767 private:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	768 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	769 stack_slot_entry,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	770 type_entry,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	771 per_arg_cell_count
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	772 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	773
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 ProfileData object
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	775 int stack_slot_offset(int i) const {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	776 return _base_off + stack_slot_local_offset(i);
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 protected:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	780 const int _number_of_entries;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	781
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	782 // 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	783 int type_offset(int i) const {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	784 return _base_off + type_local_offset(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	785 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	786
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	787 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	788
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	789 TypeStackSlotEntries(int base_off, int nb_entries)
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	790 : TypeEntries(base_off), _number_of_entries(nb_entries) {}
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	791
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	792 static int compute_cell_count(Symbol* signature, bool include_receiver, int max);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	793
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	794 void post_initialize(Symbol* signature, bool has_receiver, bool include_receiver);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	795
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	796 // 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	797 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	798 return i * per_arg_cell_count + stack_slot_entry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	799 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	800
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	801 // 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	802 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	803 return i * per_arg_cell_count + type_entry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	804 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	805
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	806 // stack slot for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	807 uint stack_slot(int i) const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	808 assert(i >= 0 && i < _number_of_entries, "oob");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	809 return _pd->uint_at(stack_slot_offset(i));
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	810 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	811
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	812 // set stack slot for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	813 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	814 assert(i >= 0 && i < _number_of_entries, "oob");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	815 _pd->set_uint_at(stack_slot_offset(i), num);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	816 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	817
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	818 // type for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	819 intptr_t type(int i) const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	820 assert(i >= 0 && i < _number_of_entries, "oob");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	821 return _pd->intptr_at(type_offset(i));
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	822 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	823
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	824 // set type for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	825 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	826 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	827 _pd->set_intptr_at(type_offset(i), k);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	828 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	829
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	830 static ByteSize per_arg_size() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	831 return in_ByteSize(per_arg_cell_count * DataLayout::cell_size);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	832 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	833
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	834 static int per_arg_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	835 return per_arg_cell_count ;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	836 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	837
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	838 // GC support
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	839 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	840
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	841 #ifndef PRODUCT
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	842 void print_data_on(outputStream* st) const;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	843 #endif
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
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	846 // 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	847 // type.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	848 class ReturnTypeEntry : public TypeEntries {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	849
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	850 private:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	851 enum {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	852 cell_count = 1
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	853 };
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	854
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	855 public:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	856 ReturnTypeEntry(int base_off)
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	857 : TypeEntries(base_off) {}
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	858
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	859 void post_initialize() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	860 set_type(type_none());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	861 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	862
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	863 intptr_t type() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	864 return _pd->intptr_at(_base_off);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	865 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	866
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	867 void set_type(intptr_t k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	868 _pd->set_intptr_at(_base_off, k);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	869 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	870
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	871 static int static_cell_count() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	872 return cell_count;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	873 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	874
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	875 static ByteSize size() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	876 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	877 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	878
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	879 ByteSize type_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	880 return DataLayout::cell_offset(_base_off);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	881 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	882
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	883 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	884 void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	885
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	886 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	887 void print_data_on(outputStream* st) const;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	888 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	889 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	890
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	891 // 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	892 // (TypeStackSlotEntries), a return type (ReturnTypeEntry) and a
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	893 // 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	894 // 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	895 // 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	896 // 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	897 // has_return().
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	898 class TypeEntriesAtCall {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	899 private:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	900 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	901 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	902 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	903
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	904 static int argument_type_local_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	905 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	906 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	907
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	908 public:
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 static int header_cell_count() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	911 return 1;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	912 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	913
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	914 static int cell_count_local_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	915 return 0;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	916 }
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 static int compute_cell_count(BytecodeStream* stream);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	919
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	920 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	921 int off = base + cell_count_local_offset();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	922 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	923 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	924
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	925 static bool arguments_profiling_enabled();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	926 static bool return_profiling_enabled();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	927
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	928 // Code generation support
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	929 static ByteSize cell_count_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	930 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	931 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	932
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	933 static ByteSize args_data_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	934 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	935 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	936
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	937 static ByteSize stack_slot_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	938 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	939 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	940
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	941 static ByteSize argument_type_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	942 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	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
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	946 // CallTypeData
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	947 //
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	948 // 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	949 // 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	950 // and return value.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	951 class CallTypeData : public CounterData {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	952 private:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	953 // entries for arguments if any
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	954 TypeStackSlotEntries _args;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	955 // entry for return type if any
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	956 ReturnTypeEntry _ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	957
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	958 int cell_count_global_offset() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	959 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	960 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	961
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	962 // number of cells not counting the header
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	963 int cell_count_no_header() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	964 return uint_at(cell_count_global_offset());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	965 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	966
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	967 void check_number_of_arguments(int total) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	968 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	969 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	970
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	971 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	972 CallTypeData(DataLayout* layout) :
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	973 CounterData(layout),
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	974 _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	975 _ret(cell_count() - ReturnTypeEntry::static_cell_count())
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	976 {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	977 assert(layout->tag() == DataLayout::call_type_data_tag, "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	978 // 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	979 _args.set_profile_data(this);
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	980 _ret.set_profile_data(this);
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
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	983 const TypeStackSlotEntries* args() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	984 assert(has_arguments(), "no profiling of arguments");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	985 return &_args;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	986 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	987
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	988 const ReturnTypeEntry* ret() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	989 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	990 return &_ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	991 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	992
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	993 virtual bool is_CallTypeData() const { return true; }
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 static int static_cell_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	996 return -1;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	997 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	998
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	999 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	1000 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	1001 }
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 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	1004 TypeEntriesAtCall::initialize(dl, CounterData::static_cell_count(), cell_count);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1005 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1006
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1007 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	1008
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1009 virtual int cell_count() const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1010 return CounterData::static_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1011 TypeEntriesAtCall::header_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1012 int_at_unchecked(cell_count_global_offset());
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1013 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1014
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1015 int number_of_arguments() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1016 return cell_count_no_header() / TypeStackSlotEntries::per_arg_count();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1017 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1018
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1019 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	1020 assert(has_arguments(), "no arguments!");
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1021 intptr_t current = _args.type(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1022 _args.set_type(i, TypeEntries::with_status(k, current));
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1023 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1024
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1025 void set_return_type(Klass* k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1026 assert(has_return(), "no return!");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1027 intptr_t current = _ret.type();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1028 _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	1029 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1030
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1031 // An entry for a return value takes less space than an entry for an
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1032 // argument so if the number of cells exceeds the number of cells
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1033 // needed for an argument, this object contains type information for
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1034 // at least one argument.
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1035 bool has_arguments() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1036 bool res = cell_count_no_header() >= TypeStackSlotEntries::per_arg_count();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1037 assert (!res \|\| TypeEntriesAtCall::arguments_profiling_enabled(), "no profiling of arguments");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1038 return res;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1039 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1040
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1041 // An entry for a return value takes less space than an entry for an
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1042 // 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	1043 // 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	1044 // is profiled in this object.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1045 bool has_return() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1046 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	1047 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	1048 return res;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1049 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1050
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1051 // Code generation support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1052 static ByteSize args_data_offset() {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1053 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	1054 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1055
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1056 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1057 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	1058 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1059 _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	1060 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1061 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1062 _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	1063 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1064 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1065
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1066 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1067 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1068 #endif
a61af66fc99e Initial load duke parents: diff changeset	1069 };
a61af66fc99e Initial load duke parents: diff changeset	1070
a61af66fc99e Initial load duke parents: diff changeset	1071 // ReceiverTypeData
a61af66fc99e Initial load duke parents: diff changeset	1072 //
a61af66fc99e Initial load duke parents: diff changeset	1073 // A ReceiverTypeData is used to access profiling information about a
a61af66fc99e Initial load duke parents: diff changeset	1074 // 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	1075 // that the check is reached, and a series of (Klass*, count) pairs
0 a61af66fc99e Initial load duke parents: diff changeset	1076 // which are used to store a type profile for the receiver of the check.
a61af66fc99e Initial load duke parents: diff changeset	1077 class ReceiverTypeData : public CounterData {
a61af66fc99e Initial load duke parents: diff changeset	1078 protected:
a61af66fc99e Initial load duke parents: diff changeset	1079 enum {
a61af66fc99e Initial load duke parents: diff changeset	1080 receiver0_offset = counter_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1081 count0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1082 receiver_type_row_cell_count = (count0_offset + 1) - receiver0_offset
a61af66fc99e Initial load duke parents: diff changeset	1083 };
a61af66fc99e Initial load duke parents: diff changeset	1084
a61af66fc99e Initial load duke parents: diff changeset	1085 public:
a61af66fc99e Initial load duke parents: diff changeset	1086 ReceiverTypeData(DataLayout* layout) : CounterData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1087 assert(layout->tag() == DataLayout::receiver_type_data_tag \|\|
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1088 layout->tag() == DataLayout::virtual_call_data_tag \|\|
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1089 layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1090 }
a61af66fc99e Initial load duke parents: diff changeset	1091
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1092 virtual bool is_ReceiverTypeData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1093
a61af66fc99e Initial load duke parents: diff changeset	1094 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1095 return counter_cell_count + (uint) TypeProfileWidth * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1096 }
a61af66fc99e Initial load duke parents: diff changeset	1097
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1098 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1099 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1100 }
a61af66fc99e Initial load duke parents: diff changeset	1101
a61af66fc99e Initial load duke parents: diff changeset	1102 // Direct accessors
a61af66fc99e Initial load duke parents: diff changeset	1103 static uint row_limit() {
a61af66fc99e Initial load duke parents: diff changeset	1104 return TypeProfileWidth;
a61af66fc99e Initial load duke parents: diff changeset	1105 }
a61af66fc99e Initial load duke parents: diff changeset	1106 static int receiver_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1107 return receiver0_offset + row * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1108 }
a61af66fc99e Initial load duke parents: diff changeset	1109 static int receiver_count_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1110 return count0_offset + row * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1111 }
a61af66fc99e Initial load duke parents: diff changeset	1112
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1113 Klass* receiver(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1114 assert(row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1115
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1116 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	1117 assert(recv == NULL \|\| recv->is_klass(), "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1118 return recv;
a61af66fc99e Initial load duke parents: diff changeset	1119 }
a61af66fc99e Initial load duke parents: diff changeset	1120
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1121 void set_receiver(uint row, Klass* k) {
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1122 assert((uint)row < row_limit(), "oob");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1123 set_intptr_at(receiver_cell_index(row), (uintptr_t)k);
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1124 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1125
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1126 uint receiver_count(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1127 assert(row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1128 return uint_at(receiver_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1129 }
a61af66fc99e Initial load duke parents: diff changeset	1130
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1131 void set_receiver_count(uint row, uint count) {
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1132 assert(row < row_limit(), "oob");
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1133 set_uint_at(receiver_count_cell_index(row), count);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1134 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1135
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1136 void clear_row(uint row) {
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1137 assert(row < row_limit(), "oob");
1251 576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1138 // Clear total count - indicator of polymorphic call site.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1139 // 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	1140 // 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	1141 // 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	1142 // 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	1143 // 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	1144 // 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	1145 // 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	1146 // 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	1147 // with updated MDO after executing method in Interpreter.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1148 // 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	1149 // during next call execution.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1150 //
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1151 // 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	1152 // 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	1153 //
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1154 set_count(0);
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1155 set_receiver(row, NULL);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1156 set_receiver_count(row, 0);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1157 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1158
0 a61af66fc99e Initial load duke parents: diff changeset	1159 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1160 static ByteSize receiver_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1161 return cell_offset(receiver_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1162 }
a61af66fc99e Initial load duke parents: diff changeset	1163 static ByteSize receiver_count_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1164 return cell_offset(receiver_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1165 }
a61af66fc99e Initial load duke parents: diff changeset	1166 static ByteSize receiver_type_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1167 return cell_offset(static_cell_count());
a61af66fc99e Initial load duke parents: diff changeset	1168 }
a61af66fc99e Initial load duke parents: diff changeset	1169
a61af66fc99e Initial load duke parents: diff changeset	1170 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1171 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
0 a61af66fc99e Initial load duke parents: diff changeset	1172
a61af66fc99e Initial load duke parents: diff changeset	1173 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1174 void print_receiver_data_on(outputStream* st) const;
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1175 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1176 #endif
a61af66fc99e Initial load duke parents: diff changeset	1177 };
a61af66fc99e Initial load duke parents: diff changeset	1178
a61af66fc99e Initial load duke parents: diff changeset	1179 // VirtualCallData
a61af66fc99e Initial load duke parents: diff changeset	1180 //
a61af66fc99e Initial load duke parents: diff changeset	1181 // A VirtualCallData is used to access profiling information about a
a61af66fc99e Initial load duke parents: diff changeset	1182 // virtual call. For now, it has nothing more than a ReceiverTypeData.
a61af66fc99e Initial load duke parents: diff changeset	1183 class VirtualCallData : public ReceiverTypeData {
a61af66fc99e Initial load duke parents: diff changeset	1184 public:
a61af66fc99e Initial load duke parents: diff changeset	1185 VirtualCallData(DataLayout* layout) : ReceiverTypeData(layout) {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1186 assert(layout->tag() == DataLayout::virtual_call_data_tag \|\|
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1187 layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1188 }
a61af66fc99e Initial load duke parents: diff changeset	1189
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1190 virtual bool is_VirtualCallData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1191
a61af66fc99e Initial load duke parents: diff changeset	1192 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1193 // At this point we could add more profile state, e.g., for arguments.
a61af66fc99e Initial load duke parents: diff changeset	1194 // But for now it's the same size as the base record type.
a61af66fc99e Initial load duke parents: diff changeset	1195 return ReceiverTypeData::static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1196 }
a61af66fc99e Initial load duke parents: diff changeset	1197
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1198 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1199 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1200 }
a61af66fc99e Initial load duke parents: diff changeset	1201
a61af66fc99e Initial load duke parents: diff changeset	1202 // Direct accessors
a61af66fc99e Initial load duke parents: diff changeset	1203 static ByteSize virtual_call_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1204 return cell_offset(static_cell_count());
a61af66fc99e Initial load duke parents: diff changeset	1205 }
a61af66fc99e Initial load duke parents: diff changeset	1206
a61af66fc99e Initial load duke parents: diff changeset	1207 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1208 void print_data_on(outputStream* st, const char* extra = NULL) const;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1209 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1210 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1211
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1212 // VirtualCallTypeData
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1213 //
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1214 // A VirtualCallTypeData is used to access profiling information about
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1215 // 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	1216 // arguments and return value.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1217 class VirtualCallTypeData : public VirtualCallData {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1218 private:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1219 // entries for arguments if any
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1220 TypeStackSlotEntries _args;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1221 // entry for return type if any
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1222 ReturnTypeEntry _ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1223
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1224 int cell_count_global_offset() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1225 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	1226 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1227
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1228 // number of cells not counting the header
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1229 int cell_count_no_header() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1230 return uint_at(cell_count_global_offset());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1231 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1232
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1233 void check_number_of_arguments(int total) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1234 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	1235 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1236
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1237 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1238 VirtualCallTypeData(DataLayout* layout) :
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1239 VirtualCallData(layout),
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1240 _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	1241 _ret(cell_count() - ReturnTypeEntry::static_cell_count())
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1242 {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1243 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	1244 // 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	1245 _args.set_profile_data(this);
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1246 _ret.set_profile_data(this);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1247 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1248
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1249 const TypeStackSlotEntries* args() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1250 assert(has_arguments(), "no profiling of arguments");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1251 return &_args;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1252 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1253
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1254 const ReturnTypeEntry* ret() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1255 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	1256 return &_ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1257 }
12875 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 virtual bool is_VirtualCallTypeData() const { return true; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1260
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1261 static int static_cell_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1262 return -1;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1263 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1264
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1265 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	1266 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	1267 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1268
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1269 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	1270 TypeEntriesAtCall::initialize(dl, VirtualCallData::static_cell_count(), cell_count);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1271 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1272
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1273 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	1274
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1275 virtual int cell_count() const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1276 return VirtualCallData::static_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1277 TypeEntriesAtCall::header_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1278 int_at_unchecked(cell_count_global_offset());
12875 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 int number_of_arguments() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1282 return cell_count_no_header() / TypeStackSlotEntries::per_arg_count();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1283 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1284
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1285 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	1286 assert(has_arguments(), "no arguments!");
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1287 intptr_t current = _args.type(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1288 _args.set_type(i, TypeEntries::with_status(k, current));
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1289 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1290
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1291 void set_return_type(Klass* k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1292 assert(has_return(), "no return!");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1293 intptr_t current = _ret.type();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1294 _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	1295 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1296
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1297 // 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	1298 // 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	1299 // 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	1300 // is profiled in this object.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1301 bool has_return() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1302 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	1303 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	1304 return res;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1305 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1306
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1307 // An entry for a return value takes less space than an entry for an
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1308 // argument so if the number of cells exceeds the number of cells
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1309 // needed for an argument, this object contains type information for
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1310 // at least one argument.
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1311 bool has_arguments() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1312 bool res = cell_count_no_header() >= TypeStackSlotEntries::per_arg_count();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1313 assert (!res \|\| TypeEntriesAtCall::arguments_profiling_enabled(), "no profiling of arguments");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1314 return res;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1315 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1316
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1317 // Code generation support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1318 static ByteSize args_data_offset() {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1319 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	1320 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1321
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1322 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1323 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1324 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	1325 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1326 _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	1327 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1328 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1329 _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	1330 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1331 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1332
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1333 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1334 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1335 #endif
a61af66fc99e Initial load duke parents: diff changeset	1336 };
a61af66fc99e Initial load duke parents: diff changeset	1337
a61af66fc99e Initial load duke parents: diff changeset	1338 // RetData
a61af66fc99e Initial load duke parents: diff changeset	1339 //
a61af66fc99e Initial load duke parents: diff changeset	1340 // A RetData is used to access profiling information for a ret bytecode.
a61af66fc99e Initial load duke parents: diff changeset	1341 // It is composed of a count of the number of times that the ret has
a61af66fc99e Initial load duke parents: diff changeset	1342 // been executed, followed by a series of triples of the form
a61af66fc99e Initial load duke parents: diff changeset	1343 // (bci, count, di) which count the number of times that some bci was the
a61af66fc99e Initial load duke parents: diff changeset	1344 // target of the ret and cache a corresponding data displacement.
a61af66fc99e Initial load duke parents: diff changeset	1345 class RetData : public CounterData {
a61af66fc99e Initial load duke parents: diff changeset	1346 protected:
a61af66fc99e Initial load duke parents: diff changeset	1347 enum {
a61af66fc99e Initial load duke parents: diff changeset	1348 bci0_offset = counter_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1349 count0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1350 displacement0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1351 ret_row_cell_count = (displacement0_offset + 1) - bci0_offset
a61af66fc99e Initial load duke parents: diff changeset	1352 };
a61af66fc99e Initial load duke parents: diff changeset	1353
a61af66fc99e Initial load duke parents: diff changeset	1354 void set_bci(uint row, int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1355 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1356 set_int_at(bci0_offset + row * ret_row_cell_count, bci);
a61af66fc99e Initial load duke parents: diff changeset	1357 }
a61af66fc99e Initial load duke parents: diff changeset	1358 void release_set_bci(uint row, int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1359 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1360 // 'release' when setting the bci acts as a valid flag for other
a61af66fc99e Initial load duke parents: diff changeset	1361 // threads wrt bci_count and bci_displacement.
a61af66fc99e Initial load duke parents: diff changeset	1362 release_set_int_at(bci0_offset + row * ret_row_cell_count, bci);
a61af66fc99e Initial load duke parents: diff changeset	1363 }
a61af66fc99e Initial load duke parents: diff changeset	1364 void set_bci_count(uint row, uint count) {
a61af66fc99e Initial load duke parents: diff changeset	1365 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1366 set_uint_at(count0_offset + row * ret_row_cell_count, count);
a61af66fc99e Initial load duke parents: diff changeset	1367 }
a61af66fc99e Initial load duke parents: diff changeset	1368 void set_bci_displacement(uint row, int disp) {
a61af66fc99e Initial load duke parents: diff changeset	1369 set_int_at(displacement0_offset + row * ret_row_cell_count, disp);
a61af66fc99e Initial load duke parents: diff changeset	1370 }
a61af66fc99e Initial load duke parents: diff changeset	1371
a61af66fc99e Initial load duke parents: diff changeset	1372 public:
a61af66fc99e Initial load duke parents: diff changeset	1373 RetData(DataLayout* layout) : CounterData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1374 assert(layout->tag() == DataLayout::ret_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1375 }
a61af66fc99e Initial load duke parents: diff changeset	1376
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1377 virtual bool is_RetData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1378
a61af66fc99e Initial load duke parents: diff changeset	1379 enum {
a61af66fc99e Initial load duke parents: diff changeset	1380 no_bci = -1 // value of bci when bci1/2 are not in use.
a61af66fc99e Initial load duke parents: diff changeset	1381 };
a61af66fc99e Initial load duke parents: diff changeset	1382
a61af66fc99e Initial load duke parents: diff changeset	1383 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1384 return counter_cell_count + (uint) BciProfileWidth * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1385 }
a61af66fc99e Initial load duke parents: diff changeset	1386
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1387 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1388 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1389 }
a61af66fc99e Initial load duke parents: diff changeset	1390
a61af66fc99e Initial load duke parents: diff changeset	1391 static uint row_limit() {
a61af66fc99e Initial load duke parents: diff changeset	1392 return BciProfileWidth;
a61af66fc99e Initial load duke parents: diff changeset	1393 }
a61af66fc99e Initial load duke parents: diff changeset	1394 static int bci_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1395 return bci0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1396 }
a61af66fc99e Initial load duke parents: diff changeset	1397 static int bci_count_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1398 return count0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1399 }
a61af66fc99e Initial load duke parents: diff changeset	1400 static int bci_displacement_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1401 return displacement0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1402 }
a61af66fc99e Initial load duke parents: diff changeset	1403
a61af66fc99e Initial load duke parents: diff changeset	1404 // Direct accessors
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1405 int bci(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1406 return int_at(bci_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1407 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1408 uint bci_count(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1409 return uint_at(bci_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1410 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1411 int bci_displacement(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1412 return int_at(bci_displacement_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1413 }
a61af66fc99e Initial load duke parents: diff changeset	1414
a61af66fc99e Initial load duke parents: diff changeset	1415 // Interpreter Runtime support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1416 address fixup_ret(int return_bci, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1417
a61af66fc99e Initial load duke parents: diff changeset	1418 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1419 static ByteSize bci_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1420 return cell_offset(bci_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1421 }
a61af66fc99e Initial load duke parents: diff changeset	1422 static ByteSize bci_count_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1423 return cell_offset(bci_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1424 }
a61af66fc99e Initial load duke parents: diff changeset	1425 static ByteSize bci_displacement_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1426 return cell_offset(bci_displacement_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1427 }
a61af66fc99e Initial load duke parents: diff changeset	1428
a61af66fc99e Initial load duke parents: diff changeset	1429 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1430 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1431
a61af66fc99e Initial load duke parents: diff changeset	1432 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1433 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1434 #endif
a61af66fc99e Initial load duke parents: diff changeset	1435 };
a61af66fc99e Initial load duke parents: diff changeset	1436
a61af66fc99e Initial load duke parents: diff changeset	1437 // BranchData
a61af66fc99e Initial load duke parents: diff changeset	1438 //
a61af66fc99e Initial load duke parents: diff changeset	1439 // A BranchData is used to access profiling data for a two-way branch.
a61af66fc99e Initial load duke parents: diff changeset	1440 // It consists of taken and not_taken counts as well as a data displacement
a61af66fc99e Initial load duke parents: diff changeset	1441 // for the taken case.
a61af66fc99e Initial load duke parents: diff changeset	1442 class BranchData : public JumpData {
a61af66fc99e Initial load duke parents: diff changeset	1443 protected:
a61af66fc99e Initial load duke parents: diff changeset	1444 enum {
a61af66fc99e Initial load duke parents: diff changeset	1445 not_taken_off_set = jump_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1446 branch_cell_count
a61af66fc99e Initial load duke parents: diff changeset	1447 };
a61af66fc99e Initial load duke parents: diff changeset	1448
a61af66fc99e Initial load duke parents: diff changeset	1449 void set_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1450 set_int_at(displacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	1451 }
a61af66fc99e Initial load duke parents: diff changeset	1452
a61af66fc99e Initial load duke parents: diff changeset	1453 public:
a61af66fc99e Initial load duke parents: diff changeset	1454 BranchData(DataLayout* layout) : JumpData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1455 assert(layout->tag() == DataLayout::branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1456 }
a61af66fc99e Initial load duke parents: diff changeset	1457
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1458 virtual bool is_BranchData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1459
a61af66fc99e Initial load duke parents: diff changeset	1460 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1461 return branch_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1462 }
a61af66fc99e Initial load duke parents: diff changeset	1463
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1464 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1465 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1466 }
a61af66fc99e Initial load duke parents: diff changeset	1467
a61af66fc99e Initial load duke parents: diff changeset	1468 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1469 uint not_taken() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1470 return uint_at(not_taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1471 }
a61af66fc99e Initial load duke parents: diff changeset	1472
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1473 void set_not_taken(uint cnt) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1474 set_uint_at(not_taken_off_set, cnt);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1475 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1476
0 a61af66fc99e Initial load duke parents: diff changeset	1477 uint inc_not_taken() {
a61af66fc99e Initial load duke parents: diff changeset	1478 uint cnt = not_taken() + 1;
a61af66fc99e Initial load duke parents: diff changeset	1479 // Did we wrap? Will compiler screw us??
a61af66fc99e Initial load duke parents: diff changeset	1480 if (cnt == 0) cnt--;
a61af66fc99e Initial load duke parents: diff changeset	1481 set_uint_at(not_taken_off_set, cnt);
a61af66fc99e Initial load duke parents: diff changeset	1482 return cnt;
a61af66fc99e Initial load duke parents: diff changeset	1483 }
a61af66fc99e Initial load duke parents: diff changeset	1484
a61af66fc99e Initial load duke parents: diff changeset	1485 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1486 static ByteSize not_taken_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1487 return cell_offset(not_taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1488 }
a61af66fc99e Initial load duke parents: diff changeset	1489 static ByteSize branch_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1490 return cell_offset(branch_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	1491 }
a61af66fc99e Initial load duke parents: diff changeset	1492
a61af66fc99e Initial load duke parents: diff changeset	1493 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1494 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1495
a61af66fc99e Initial load duke parents: diff changeset	1496 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1497 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1498 #endif
a61af66fc99e Initial load duke parents: diff changeset	1499 };
a61af66fc99e Initial load duke parents: diff changeset	1500
a61af66fc99e Initial load duke parents: diff changeset	1501 // ArrayData
a61af66fc99e Initial load duke parents: diff changeset	1502 //
a61af66fc99e Initial load duke parents: diff changeset	1503 // A ArrayData is a base class for accessing profiling data which does
a61af66fc99e Initial load duke parents: diff changeset	1504 // not have a statically known size. It consists of an array length
a61af66fc99e Initial load duke parents: diff changeset	1505 // and an array start.
a61af66fc99e Initial load duke parents: diff changeset	1506 class ArrayData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	1507 protected:
a61af66fc99e Initial load duke parents: diff changeset	1508 friend class DataLayout;
a61af66fc99e Initial load duke parents: diff changeset	1509
a61af66fc99e Initial load duke parents: diff changeset	1510 enum {
a61af66fc99e Initial load duke parents: diff changeset	1511 array_len_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1512 array_start_off_set
a61af66fc99e Initial load duke parents: diff changeset	1513 };
a61af66fc99e Initial load duke parents: diff changeset	1514
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1515 uint array_uint_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1516 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1517 return uint_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1518 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1519 int array_int_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1520 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1521 return int_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1522 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1523 oop array_oop_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1524 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1525 return oop_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1526 }
a61af66fc99e Initial load duke parents: diff changeset	1527 void array_set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	1528 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1529 set_int_at(aindex, value);
a61af66fc99e Initial load duke parents: diff changeset	1530 }
a61af66fc99e Initial load duke parents: diff changeset	1531
a61af66fc99e Initial load duke parents: diff changeset	1532 // Code generation support for subclasses.
a61af66fc99e Initial load duke parents: diff changeset	1533 static ByteSize array_element_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	1534 return cell_offset(array_start_off_set + index);
a61af66fc99e Initial load duke parents: diff changeset	1535 }
a61af66fc99e Initial load duke parents: diff changeset	1536
a61af66fc99e Initial load duke parents: diff changeset	1537 public:
a61af66fc99e Initial load duke parents: diff changeset	1538 ArrayData(DataLayout* layout) : ProfileData(layout) {}
a61af66fc99e Initial load duke parents: diff changeset	1539
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1540 virtual bool is_ArrayData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1541
a61af66fc99e Initial load duke parents: diff changeset	1542 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1543 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1544 }
a61af66fc99e Initial load duke parents: diff changeset	1545
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1546 int array_len() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1547 return int_at_unchecked(array_len_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1548 }
a61af66fc99e Initial load duke parents: diff changeset	1549
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1550 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1551 return array_len() + 1;
a61af66fc99e Initial load duke parents: diff changeset	1552 }
a61af66fc99e Initial load duke parents: diff changeset	1553
a61af66fc99e Initial load duke parents: diff changeset	1554 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1555 static ByteSize array_len_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1556 return cell_offset(array_len_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1557 }
a61af66fc99e Initial load duke parents: diff changeset	1558 static ByteSize array_start_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1559 return cell_offset(array_start_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1560 }
a61af66fc99e Initial load duke parents: diff changeset	1561 };
a61af66fc99e Initial load duke parents: diff changeset	1562
a61af66fc99e Initial load duke parents: diff changeset	1563 // MultiBranchData
a61af66fc99e Initial load duke parents: diff changeset	1564 //
a61af66fc99e Initial load duke parents: diff changeset	1565 // A MultiBranchData is used to access profiling information for
a61af66fc99e Initial load duke parents: diff changeset	1566 // a multi-way branch (*switch bytecodes). It consists of a series
a61af66fc99e Initial load duke parents: diff changeset	1567 // of (count, displacement) pairs, which count the number of times each
a61af66fc99e Initial load duke parents: diff changeset	1568 // case was taken and specify the data displacment for each branch target.
a61af66fc99e Initial load duke parents: diff changeset	1569 class MultiBranchData : public ArrayData {
a61af66fc99e Initial load duke parents: diff changeset	1570 protected:
a61af66fc99e Initial load duke parents: diff changeset	1571 enum {
a61af66fc99e Initial load duke parents: diff changeset	1572 default_count_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1573 default_disaplacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1574 case_array_start
a61af66fc99e Initial load duke parents: diff changeset	1575 };
a61af66fc99e Initial load duke parents: diff changeset	1576 enum {
a61af66fc99e Initial load duke parents: diff changeset	1577 relative_count_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1578 relative_displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1579 per_case_cell_count
a61af66fc99e Initial load duke parents: diff changeset	1580 };
a61af66fc99e Initial load duke parents: diff changeset	1581
a61af66fc99e Initial load duke parents: diff changeset	1582 void set_default_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1583 array_set_int_at(default_disaplacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	1584 }
a61af66fc99e Initial load duke parents: diff changeset	1585 void set_displacement_at(int index, int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1586 array_set_int_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1587 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1588 relative_displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1589 displacement);
a61af66fc99e Initial load duke parents: diff changeset	1590 }
a61af66fc99e Initial load duke parents: diff changeset	1591
a61af66fc99e Initial load duke parents: diff changeset	1592 public:
a61af66fc99e Initial load duke parents: diff changeset	1593 MultiBranchData(DataLayout* layout) : ArrayData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1594 assert(layout->tag() == DataLayout::multi_branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1595 }
a61af66fc99e Initial load duke parents: diff changeset	1596
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1597 virtual bool is_MultiBranchData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1598
a61af66fc99e Initial load duke parents: diff changeset	1599 static int compute_cell_count(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	1600
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1601 int number_of_cases() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1602 int alen = array_len() - 2; // get rid of default case here.
a61af66fc99e Initial load duke parents: diff changeset	1603 assert(alen % per_case_cell_count == 0, "must be even");
a61af66fc99e Initial load duke parents: diff changeset	1604 return (alen / per_case_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	1605 }
a61af66fc99e Initial load duke parents: diff changeset	1606
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1607 uint default_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1608 return array_uint_at(default_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1609 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1610 int default_displacement() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1611 return array_int_at(default_disaplacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1612 }
a61af66fc99e Initial load duke parents: diff changeset	1613
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1614 uint count_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1615 return array_uint_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1616 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1617 relative_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1618 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1619 int displacement_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1620 return array_int_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1621 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1622 relative_displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1623 }
a61af66fc99e Initial load duke parents: diff changeset	1624
a61af66fc99e Initial load duke parents: diff changeset	1625 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1626 static ByteSize default_count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1627 return array_element_offset(default_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1628 }
a61af66fc99e Initial load duke parents: diff changeset	1629 static ByteSize default_displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1630 return array_element_offset(default_disaplacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1631 }
a61af66fc99e Initial load duke parents: diff changeset	1632 static ByteSize case_count_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	1633 return case_array_offset() +
a61af66fc99e Initial load duke parents: diff changeset	1634 (per_case_size() * index) +
a61af66fc99e Initial load duke parents: diff changeset	1635 relative_count_offset();
a61af66fc99e Initial load duke parents: diff changeset	1636 }
a61af66fc99e Initial load duke parents: diff changeset	1637 static ByteSize case_array_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1638 return array_element_offset(case_array_start);
a61af66fc99e Initial load duke parents: diff changeset	1639 }
a61af66fc99e Initial load duke parents: diff changeset	1640 static ByteSize per_case_size() {
a61af66fc99e Initial load duke parents: diff changeset	1641 return in_ByteSize(per_case_cell_count) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1642 }
a61af66fc99e Initial load duke parents: diff changeset	1643 static ByteSize relative_count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1644 return in_ByteSize(relative_count_off_set) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1645 }
a61af66fc99e Initial load duke parents: diff changeset	1646 static ByteSize relative_displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1647 return in_ByteSize(relative_displacement_off_set) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1648 }
a61af66fc99e Initial load duke parents: diff changeset	1649
a61af66fc99e Initial load duke parents: diff changeset	1650 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1651 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1652
a61af66fc99e Initial load duke parents: diff changeset	1653 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1654 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1655 #endif
a61af66fc99e Initial load duke parents: diff changeset	1656 };
a61af66fc99e Initial load duke parents: diff changeset	1657
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1658 class ArgInfoData : public ArrayData {
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 public:
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1661 ArgInfoData(DataLayout* layout) : ArrayData(layout) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1662 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	1663 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1664
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1665 virtual bool is_ArgInfoData() const { return true; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1666
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1667
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1668 int number_of_args() const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1669 return array_len();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1670 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1671
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1672 uint arg_modified(int arg) const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1673 return array_uint_at(arg);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1674 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1675
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1676 void set_arg_modified(int arg, uint val) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1677 array_set_int_at(arg, val);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1678 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1679
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1680 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1681 void print_data_on(outputStream* st, const char* extra = NULL) const;
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1682 #endif
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1683 };
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1684
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1685 // ParametersTypeData
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1686 //
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1687 // A ParametersTypeData is used to access profiling information about
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1688 // types of parameters to a method
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1689 class ParametersTypeData : public ArrayData {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1690
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1691 private:
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1692 TypeStackSlotEntries _parameters;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1693
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1694 static int stack_slot_local_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1695 assert_profiling_enabled();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1696 return array_start_off_set + TypeStackSlotEntries::stack_slot_local_offset(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1697 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1698
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1699 static int type_local_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1700 assert_profiling_enabled();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1701 return array_start_off_set + TypeStackSlotEntries::type_local_offset(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1702 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1703
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1704 static bool profiling_enabled();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1705 static void assert_profiling_enabled() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1706 assert(profiling_enabled(), "method parameters profiling should be on");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1707 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1708
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1709 public:
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1710 ParametersTypeData(DataLayout* layout) : ArrayData(layout), _parameters(1, number_of_parameters()) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1711 assert(layout->tag() == DataLayout::parameters_type_data_tag, "wrong type");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1712 // Some compilers (VC++) don't want this passed in member initialization list
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1713 _parameters.set_profile_data(this);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1714 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1715
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1716 static int compute_cell_count(Method* m);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1717
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1718 virtual bool is_ParametersTypeData() const { return true; }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1719
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1720 virtual void post_initialize(BytecodeStream* stream, MethodData* mdo);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1721
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1722 int number_of_parameters() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1723 return array_len() / TypeStackSlotEntries::per_arg_count();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1724 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1725
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1726 const TypeStackSlotEntries* parameters() const { return &_parameters; }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1727
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1728 uint stack_slot(int i) const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1729 return _parameters.stack_slot(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1730 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1731
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1732 void set_type(int i, Klass* k) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1733 intptr_t current = _parameters.type(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1734 _parameters.set_type(i, TypeEntries::with_status((intptr_t)k, current));
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1735 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1736
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1737 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1738 _parameters.clean_weak_klass_links(is_alive_closure);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1739 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1740
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1741 #ifndef PRODUCT
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1742 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1743 #endif
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1744
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1745 static ByteSize stack_slot_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1746 return cell_offset(stack_slot_local_offset(i));
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1747 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1748
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1749 static ByteSize type_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1750 return cell_offset(type_local_offset(i));
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1751 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1752 };
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1753
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1754 // SpeculativeTrapData
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1755 //
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1756 // A SpeculativeTrapData is used to record traps due to type
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1757 // speculation. It records the root of the compilation: that type
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1758 // speculation is wrong in the context of one compilation (for
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1759 // method1) doesn't mean it's wrong in the context of another one (for
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1760 // method2). Type speculation could have more/different data in the
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1761 // context of the compilation of method2 and it's worthwhile to try an
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1762 // optimization that failed for compilation of method1 in the context
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1763 // of compilation of method2.
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1764 // Space for SpeculativeTrapData entries is allocated from the extra
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1765 // data space in the MDO. If we run out of space, the trap data for
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1766 // the ProfileData at that bci is updated.
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1767 class SpeculativeTrapData : public ProfileData {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1768 protected:
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1769 enum {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1770 method_offset,
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1771 speculative_trap_cell_count
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1772 };
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1773 public:
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1774 SpeculativeTrapData(DataLayout* layout) : ProfileData(layout) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1775 assert(layout->tag() == DataLayout::speculative_trap_data_tag, "wrong type");
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1776 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1777
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1778 virtual bool is_SpeculativeTrapData() const { return true; }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1779
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1780 static int static_cell_count() {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1781 return speculative_trap_cell_count;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1782 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1783
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1784 virtual int cell_count() const {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1785 return static_cell_count();
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1786 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1787
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1788 // Direct accessor
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1789 Method* method() const {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1790 return (Method*)intptr_at(method_offset);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1791 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1792
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1793 void set_method(Method* m) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1794 set_intptr_at(method_offset, (intptr_t)m);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1795 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1796
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1797 #ifndef PRODUCT
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1798 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1799 #endif
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1800 };
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1801
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1802 // MethodData*
0 a61af66fc99e Initial load duke parents: diff changeset	1803 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1804 // A MethodData* holds information which has been collected about
0 a61af66fc99e Initial load duke parents: diff changeset	1805 // a method. Its layout looks like this:
a61af66fc99e Initial load duke parents: diff changeset	1806 //
a61af66fc99e Initial load duke parents: diff changeset	1807 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1808 // \| header \|
a61af66fc99e Initial load duke parents: diff changeset	1809 // \| klass \|
a61af66fc99e Initial load duke parents: diff changeset	1810 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1811 // \| method \|
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1812 // \| size of the MethodData* \|
0 a61af66fc99e Initial load duke parents: diff changeset	1813 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1814 // \| Data entries... \|
a61af66fc99e Initial load duke parents: diff changeset	1815 // \| (variable size) \|
a61af66fc99e Initial load duke parents: diff changeset	1816 // \| \|
a61af66fc99e Initial load duke parents: diff changeset	1817 // . .
a61af66fc99e Initial load duke parents: diff changeset	1818 // . .
a61af66fc99e Initial load duke parents: diff changeset	1819 // . .
a61af66fc99e Initial load duke parents: diff changeset	1820 // \| \|
a61af66fc99e Initial load duke parents: diff changeset	1821 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1822 //
a61af66fc99e Initial load duke parents: diff changeset	1823 // The data entry area is a heterogeneous array of DataLayouts. Each
a61af66fc99e Initial load duke parents: diff changeset	1824 // DataLayout in the array corresponds to a specific bytecode in the
a61af66fc99e Initial load duke parents: diff changeset	1825 // method. The entries in the array are sorted by the corresponding
a61af66fc99e Initial load duke parents: diff changeset	1826 // bytecode. Access to the data is via resource-allocated ProfileData,
a61af66fc99e Initial load duke parents: diff changeset	1827 // which point to the underlying blocks of DataLayout structures.
a61af66fc99e Initial load duke parents: diff changeset	1828 //
a61af66fc99e Initial load duke parents: diff changeset	1829 // During interpretation, if profiling in enabled, the interpreter
a61af66fc99e Initial load duke parents: diff changeset	1830 // maintains a method data pointer (mdp), which points at the entry
a61af66fc99e Initial load duke parents: diff changeset	1831 // in the array corresponding to the current bci. In the course of
a61af66fc99e Initial load duke parents: diff changeset	1832 // intepretation, when a bytecode is encountered that has profile data
a61af66fc99e Initial load duke parents: diff changeset	1833 // associated with it, the entry pointed to by mdp is updated, then the
a61af66fc99e Initial load duke parents: diff changeset	1834 // mdp is adjusted to point to the next appropriate DataLayout. If mdp
a61af66fc99e Initial load duke parents: diff changeset	1835 // is NULL to begin with, the interpreter assumes that the current method
a61af66fc99e Initial load duke parents: diff changeset	1836 // is not (yet) being profiled.
a61af66fc99e Initial load duke parents: diff changeset	1837 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1838 // In MethodData* parlance, "dp" is a "data pointer", the actual address
0 a61af66fc99e Initial load duke parents: diff changeset	1839 // of a DataLayout element. A "di" is a "data index", the offset in bytes
a61af66fc99e Initial load duke parents: diff changeset	1840 // from the base of the data entry array. A "displacement" is the byte offset
a61af66fc99e Initial load duke parents: diff changeset	1841 // in certain ProfileData objects that indicate the amount the mdp must be
a61af66fc99e Initial load duke parents: diff changeset	1842 // adjusted in the event of a change in control flow.
a61af66fc99e Initial load duke parents: diff changeset	1843 //
a61af66fc99e Initial load duke parents: diff changeset	1844
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1845 class MethodData : public Metadata {
0 a61af66fc99e Initial load duke parents: diff changeset	1846 friend class VMStructs;
a61af66fc99e Initial load duke parents: diff changeset	1847 private:
a61af66fc99e Initial load duke parents: diff changeset	1848 friend class ProfileData;
a61af66fc99e Initial load duke parents: diff changeset	1849
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1850 // Back pointer to the Method*
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1851 Method* _method;
0 a61af66fc99e Initial load duke parents: diff changeset	1852
a61af66fc99e Initial load duke parents: diff changeset	1853 // Size of this oop in bytes
a61af66fc99e Initial load duke parents: diff changeset	1854 int _size;
a61af66fc99e Initial load duke parents: diff changeset	1855
a61af66fc99e Initial load duke parents: diff changeset	1856 // Cached hint for bci_to_dp and bci_to_data
a61af66fc99e Initial load duke parents: diff changeset	1857 int _hint_di;
a61af66fc99e Initial load duke parents: diff changeset	1858
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1859 MethodData(methodHandle method, int size, TRAPS);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1860 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1861 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	1862 MethodData() {}; // For ciMethodData
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1863
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1864 bool is_methodData() const volatile { return true; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1865
0 a61af66fc99e Initial load duke parents: diff changeset	1866 // Whole-method sticky bits and flags
a61af66fc99e Initial load duke parents: diff changeset	1867 enum {
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1868 _trap_hist_limit = 18, // decoupled from Deoptimization::Reason_LIMIT
0 a61af66fc99e Initial load duke parents: diff changeset	1869 _trap_hist_mask = max_jubyte,
a61af66fc99e Initial load duke parents: diff changeset	1870 _extra_data_count = 4 // extra DataLayout headers, for trap history
a61af66fc99e Initial load duke parents: diff changeset	1871 }; // Public flag values
a61af66fc99e Initial load duke parents: diff changeset	1872 private:
a61af66fc99e Initial load duke parents: diff changeset	1873 uint _nof_decompiles; // count of all nmethod removals
a61af66fc99e Initial load duke parents: diff changeset	1874 uint _nof_overflow_recompiles; // recompile count, excluding recomp. bits
a61af66fc99e Initial load duke parents: diff changeset	1875 uint _nof_overflow_traps; // trap count, excluding _trap_hist
a61af66fc99e Initial load duke parents: diff changeset	1876 union {
a61af66fc99e Initial load duke parents: diff changeset	1877 intptr_t _align;
a61af66fc99e Initial load duke parents: diff changeset	1878 u1 _array[_trap_hist_limit];
a61af66fc99e Initial load duke parents: diff changeset	1879 } _trap_hist;
a61af66fc99e Initial load duke parents: diff changeset	1880
a61af66fc99e Initial load duke parents: diff changeset	1881 // Support for interprocedural escape analysis, from Thomas Kotzmann.
a61af66fc99e Initial load duke parents: diff changeset	1882 intx _eflags; // flags on escape information
a61af66fc99e Initial load duke parents: diff changeset	1883 intx _arg_local; // bit set of non-escaping arguments
a61af66fc99e Initial load duke parents: diff changeset	1884 intx _arg_stack; // bit set of stack-allocatable arguments
a61af66fc99e Initial load duke parents: diff changeset	1885 intx _arg_returned; // bit set of returned arguments
a61af66fc99e Initial load duke parents: diff changeset	1886
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1887 int _creation_mileage; // method mileage at MDO creation
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1888
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1889 // How many invocations has this MDO seen?
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1890 // These counters are used to determine the exact age of MDO.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1891 // We need those because in tiered a method can be concurrently
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1892 // executed at different levels.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1893 InvocationCounter _invocation_counter;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1894 // Same for backedges.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1895 InvocationCounter _backedge_counter;
2252 72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1896 // Counter values at the time profiling started.
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1897 int _invocation_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	1898 int _backedge_counter_start;
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1899 // Number of loops and blocks is computed when compiling the first
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1900 // time with C1. It is used to determine if method is trivial.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1901 short _num_loops;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1902 short _num_blocks;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1903 // Highest compile level this method has ever seen.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1904 u1 _highest_comp_level;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1905 // Same for OSR level
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1906 u1 _highest_osr_comp_level;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1907 // Does this method contain anything worth profiling?
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	1908 bool _would_profile;
0 a61af66fc99e Initial load duke parents: diff changeset	1909
a61af66fc99e Initial load duke parents: diff changeset	1910 // Size of _data array in bytes. (Excludes header and extra_data fields.)
a61af66fc99e Initial load duke parents: diff changeset	1911 int _data_size;
a61af66fc99e Initial load duke parents: diff changeset	1912
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1913 // data index for the area dedicated to parameters. -1 if no
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1914 // parameter profiling.
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1915 int _parameters_type_data_di;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1916
0 a61af66fc99e Initial load duke parents: diff changeset	1917 // Beginning of the data entries
a61af66fc99e Initial load duke parents: diff changeset	1918 intptr_t _data[1];
a61af66fc99e Initial load duke parents: diff changeset	1919
a61af66fc99e Initial load duke parents: diff changeset	1920 // Helper for size computation
a61af66fc99e Initial load duke parents: diff changeset	1921 static int compute_data_size(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	1922 static int bytecode_cell_count(Bytecodes::Code code);
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1923 static bool is_speculative_trap_bytecode(Bytecodes::Code code);
0 a61af66fc99e Initial load duke parents: diff changeset	1924 enum { no_profile_data = -1, variable_cell_count = -2 };
a61af66fc99e Initial load duke parents: diff changeset	1925
a61af66fc99e Initial load duke parents: diff changeset	1926 // Helper for initialization
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1927 DataLayout* data_layout_at(int data_index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1928 assert(data_index % sizeof(intptr_t) == 0, "unaligned");
a61af66fc99e Initial load duke parents: diff changeset	1929 return (DataLayout*) (((address)_data) + data_index);
a61af66fc99e Initial load duke parents: diff changeset	1930 }
a61af66fc99e Initial load duke parents: diff changeset	1931
a61af66fc99e Initial load duke parents: diff changeset	1932 // Initialize an individual data segment. Returns the size of
a61af66fc99e Initial load duke parents: diff changeset	1933 // the segment in bytes.
a61af66fc99e Initial load duke parents: diff changeset	1934 int initialize_data(BytecodeStream* stream, int data_index);
a61af66fc99e Initial load duke parents: diff changeset	1935
a61af66fc99e Initial load duke parents: diff changeset	1936 // Helper for data_at
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1937 DataLayout* limit_data_position() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1938 return (DataLayout*)((address)data_base() + _data_size);
a61af66fc99e Initial load duke parents: diff changeset	1939 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1940 bool out_of_bounds(int data_index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1941 return data_index >= data_size();
a61af66fc99e Initial load duke parents: diff changeset	1942 }
a61af66fc99e Initial load duke parents: diff changeset	1943
a61af66fc99e Initial load duke parents: diff changeset	1944 // Give each of the data entries a chance to perform specific
a61af66fc99e Initial load duke parents: diff changeset	1945 // data initialization.
a61af66fc99e Initial load duke parents: diff changeset	1946 void post_initialize(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	1947
a61af66fc99e Initial load duke parents: diff changeset	1948 // hint accessors
a61af66fc99e Initial load duke parents: diff changeset	1949 int hint_di() const { return _hint_di; }
a61af66fc99e Initial load duke parents: diff changeset	1950 void set_hint_di(int di) {
a61af66fc99e Initial load duke parents: diff changeset	1951 assert(!out_of_bounds(di), "hint_di out of bounds");
a61af66fc99e Initial load duke parents: diff changeset	1952 _hint_di = di;
a61af66fc99e Initial load duke parents: diff changeset	1953 }
a61af66fc99e Initial load duke parents: diff changeset	1954 ProfileData* data_before(int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1955 // avoid SEGV on this edge case
a61af66fc99e Initial load duke parents: diff changeset	1956 if (data_size() == 0)
a61af66fc99e Initial load duke parents: diff changeset	1957 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1958 int hint = hint_di();
a61af66fc99e Initial load duke parents: diff changeset	1959 if (data_layout_at(hint)->bci() <= bci)
a61af66fc99e Initial load duke parents: diff changeset	1960 return data_at(hint);
a61af66fc99e Initial load duke parents: diff changeset	1961 return first_data();
a61af66fc99e Initial load duke parents: diff changeset	1962 }
a61af66fc99e Initial load duke parents: diff changeset	1963
a61af66fc99e Initial load duke parents: diff changeset	1964 // 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	1965 int first_di() const { return 0; }
0 a61af66fc99e Initial load duke parents: diff changeset	1966
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1967 ProfileData* bci_to_extra_data_helper(int bci, Method* m, DataLayout*& dp);
0 a61af66fc99e Initial load duke parents: diff changeset	1968 // Find or create an extra ProfileData:
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1969 ProfileData* bci_to_extra_data(int bci, Method* m, bool create_if_missing);
0 a61af66fc99e Initial load duke parents: diff changeset	1970
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1971 // return the argument info cell
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1972 ArgInfoData *arg_info();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1973
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1974 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1975 no_type_profile = 0,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1976 type_profile_jsr292 = 1,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1977 type_profile_all = 2
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1978 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1979
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1980 static bool profile_jsr292(methodHandle m, int bci);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1981 static int profile_arguments_flag();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1982 static bool profile_arguments_jsr292_only();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1983 static bool profile_all_arguments();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1984 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	1985 static int profile_return_flag();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1986 static bool profile_all_return();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1987 static bool profile_return_for_invoke(methodHandle m, int bci);
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1988 static int profile_parameters_flag();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1989 static bool profile_parameters_jsr292_only();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1990 static bool profile_all_parameters();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1991
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1992 void clean_extra_data(BoolObjectClosure* is_alive);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1993 void clean_extra_data_helper(DataLayout* dp, int shift, bool reset = false);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1994 void verify_extra_data_clean(BoolObjectClosure* is_alive);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	1995
0 a61af66fc99e Initial load duke parents: diff changeset	1996 public:
a61af66fc99e Initial load duke parents: diff changeset	1997 static int header_size() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1998 return sizeof(MethodData)/wordSize;
0 a61af66fc99e Initial load duke parents: diff changeset	1999 }
a61af66fc99e Initial load duke parents: diff changeset	2000
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2001 // Compute the size of a MethodData* before it is created.
0 a61af66fc99e Initial load duke parents: diff changeset	2002 static int compute_allocation_size_in_bytes(methodHandle method);
a61af66fc99e Initial load duke parents: diff changeset	2003 static int compute_allocation_size_in_words(methodHandle method);
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2004 static int compute_extra_data_count(int data_size, int empty_bc_count, bool needs_speculative_traps);
0 a61af66fc99e Initial load duke parents: diff changeset	2005
a61af66fc99e Initial load duke parents: diff changeset	2006 // Determine if a given bytecode can have profile information.
a61af66fc99e Initial load duke parents: diff changeset	2007 static bool bytecode_has_profile(Bytecodes::Code code) {
a61af66fc99e Initial load duke parents: diff changeset	2008 return bytecode_cell_count(code) != no_profile_data;
a61af66fc99e Initial load duke parents: diff changeset	2009 }
a61af66fc99e Initial load duke parents: diff changeset	2010
9080 b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	2011 // reset into original state
b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	2012 void init();
0 a61af66fc99e Initial load duke parents: diff changeset	2013
a61af66fc99e Initial load duke parents: diff changeset	2014 // My size
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2015 int size_in_bytes() const { return _size; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2016 int size() const { return align_object_size(align_size_up(_size, BytesPerWord)/BytesPerWord); }
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2017 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2018 void collect_statistics(KlassSizeStats *sz) const;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2019 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	2020
a61af66fc99e Initial load duke parents: diff changeset	2021 int creation_mileage() const { return _creation_mileage; }
a61af66fc99e Initial load duke parents: diff changeset	2022 void set_creation_mileage(int x) { _creation_mileage = x; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2023
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2024 int invocation_count() {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2025 if (invocation_counter()->carry()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2026 return InvocationCounter::count_limit;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2027 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2028 return invocation_counter()->count();
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2029 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2030 int backedge_count() {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2031 if (backedge_counter()->carry()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2032 return InvocationCounter::count_limit;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2033 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2034 return backedge_counter()->count();
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2035 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2036
2252 72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2037 int invocation_count_start() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2038 if (invocation_counter()->carry()) {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2039 return 0;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2040 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2041 return _invocation_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2042 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2043
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2044 int backedge_count_start() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2045 if (backedge_counter()->carry()) {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2046 return 0;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2047 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2048 return _backedge_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2049 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2050
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2051 int invocation_count_delta() { return invocation_count() - invocation_count_start(); }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2052 int backedge_count_delta() { return backedge_count() - backedge_count_start(); }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2053
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2054 void reset_start_counters() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2055 _invocation_counter_start = invocation_count();
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2056 _backedge_counter_start = backedge_count();
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2057 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2058
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2059 InvocationCounter* invocation_counter() { return &_invocation_counter; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2060 InvocationCounter* backedge_counter() { return &_backedge_counter; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2061
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2062 void set_would_profile(bool p) { _would_profile = p; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2063 bool would_profile() const { return _would_profile; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2064
10265 92ef81e2f571 8003557: NPG: Klass* const k should be const Klass* k. minqi parents: 9080 diff changeset	2065 int highest_comp_level() const { return _highest_comp_level; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2066 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	2067 int highest_osr_comp_level() const { return _highest_osr_comp_level; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2068 void set_highest_osr_comp_level(int level) { _highest_osr_comp_level = level; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2069
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2070 int num_loops() const { return _num_loops; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2071 void set_num_loops(int n) { _num_loops = n; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2072 int num_blocks() const { return _num_blocks; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2073 void set_num_blocks(int n) { _num_blocks = n; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2074
0 a61af66fc99e Initial load duke parents: diff changeset	2075 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	2076 static int mileage_of(Method* m);
0 a61af66fc99e Initial load duke parents: diff changeset	2077
a61af66fc99e Initial load duke parents: diff changeset	2078 // Support for interprocedural escape analysis, from Thomas Kotzmann.
a61af66fc99e Initial load duke parents: diff changeset	2079 enum EscapeFlag {
a61af66fc99e Initial load duke parents: diff changeset	2080 estimated = 1 << 0,
78 e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2081 return_local = 1 << 1,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2082 return_allocated = 1 << 2,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2083 allocated_escapes = 1 << 3,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2084 unknown_modified = 1 << 4
0 a61af66fc99e Initial load duke parents: diff changeset	2085 };
a61af66fc99e Initial load duke parents: diff changeset	2086
a61af66fc99e Initial load duke parents: diff changeset	2087 intx eflags() { return _eflags; }
a61af66fc99e Initial load duke parents: diff changeset	2088 intx arg_local() { return _arg_local; }
a61af66fc99e Initial load duke parents: diff changeset	2089 intx arg_stack() { return _arg_stack; }
a61af66fc99e Initial load duke parents: diff changeset	2090 intx arg_returned() { return _arg_returned; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2091 uint arg_modified(int a) { ArgInfoData *aid = arg_info();
9080 b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	2092 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	2093 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	2094 return aid->arg_modified(a); }
0 a61af66fc99e Initial load duke parents: diff changeset	2095
a61af66fc99e Initial load duke parents: diff changeset	2096 void set_eflags(intx v) { _eflags = v; }
a61af66fc99e Initial load duke parents: diff changeset	2097 void set_arg_local(intx v) { _arg_local = v; }
a61af66fc99e Initial load duke parents: diff changeset	2098 void set_arg_stack(intx v) { _arg_stack = v; }
a61af66fc99e Initial load duke parents: diff changeset	2099 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	2100 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	2101 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	2102 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	2103 aid->set_arg_modified(a, v); }
0 a61af66fc99e Initial load duke parents: diff changeset	2104
a61af66fc99e Initial load duke parents: diff changeset	2105 void clear_escape_info() { _eflags = _arg_local = _arg_stack = _arg_returned = 0; }
a61af66fc99e Initial load duke parents: diff changeset	2106
a61af66fc99e Initial load duke parents: diff changeset	2107 // Location and size of data area
a61af66fc99e Initial load duke parents: diff changeset	2108 address data_base() const {
a61af66fc99e Initial load duke parents: diff changeset	2109 return (address) _data;
a61af66fc99e Initial load duke parents: diff changeset	2110 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2111 int data_size() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2112 return _data_size;
a61af66fc99e Initial load duke parents: diff changeset	2113 }
a61af66fc99e Initial load duke parents: diff changeset	2114
a61af66fc99e Initial load duke parents: diff changeset	2115 // Accessors
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2116 Method* method() const { return _method; }
0 a61af66fc99e Initial load duke parents: diff changeset	2117
a61af66fc99e Initial load duke parents: diff changeset	2118 // 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	2119 ProfileData* data_at(int data_index) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2120
a61af66fc99e Initial load duke parents: diff changeset	2121 // Walk through the data in order.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2122 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	2123 ProfileData* next_data(ProfileData* current) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2124 bool is_valid(ProfileData* current) const { return current != NULL; }
0 a61af66fc99e Initial load duke parents: diff changeset	2125
a61af66fc99e Initial load duke parents: diff changeset	2126 // 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	2127 int dp_to_di(address dp) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2128 return dp - ((address)_data);
a61af66fc99e Initial load duke parents: diff changeset	2129 }
a61af66fc99e Initial load duke parents: diff changeset	2130
a61af66fc99e Initial load duke parents: diff changeset	2131 address di_to_dp(int di) {
a61af66fc99e Initial load duke parents: diff changeset	2132 return (address)data_layout_at(di);
a61af66fc99e Initial load duke parents: diff changeset	2133 }
a61af66fc99e Initial load duke parents: diff changeset	2134
a61af66fc99e Initial load duke parents: diff changeset	2135 // bci to di/dp conversion.
a61af66fc99e Initial load duke parents: diff changeset	2136 address bci_to_dp(int bci);
a61af66fc99e Initial load duke parents: diff changeset	2137 int bci_to_di(int bci) {
a61af66fc99e Initial load duke parents: diff changeset	2138 return dp_to_di(bci_to_dp(bci));
a61af66fc99e Initial load duke parents: diff changeset	2139 }
a61af66fc99e Initial load duke parents: diff changeset	2140
a61af66fc99e Initial load duke parents: diff changeset	2141 // Get the data at an arbitrary bci, or NULL if there is none.
a61af66fc99e Initial load duke parents: diff changeset	2142 ProfileData* bci_to_data(int bci);
a61af66fc99e Initial load duke parents: diff changeset	2143
a61af66fc99e Initial load duke parents: diff changeset	2144 // Same, but try to create an extra_data record if one is needed:
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2145 ProfileData* allocate_bci_to_data(int bci, Method* m) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2146 ProfileData* data = NULL;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2147 // If m not NULL, try to allocate a SpeculativeTrapData entry
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2148 if (m == NULL) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2149 data = bci_to_data(bci);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2150 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2151 if (data != NULL) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2152 return data;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2153 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2154 data = bci_to_extra_data(bci, m, true);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2155 if (data != NULL) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2156 return data;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2157 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2158 // If SpeculativeTrapData allocation fails try to allocate a
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2159 // regular entry
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2160 data = bci_to_data(bci);
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2161 if (data != NULL) {
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2162 return data;
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2163 }
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2164 return bci_to_extra_data(bci, NULL, true);
0 a61af66fc99e Initial load duke parents: diff changeset	2165 }
a61af66fc99e Initial load duke parents: diff changeset	2166
a61af66fc99e Initial load duke parents: diff changeset	2167 // 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	2168 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	2169 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	2170 int extra_data_size() const { return (address)extra_data_limit()
0 a61af66fc99e Initial load duke parents: diff changeset	2171 - (address)extra_data_base(); }
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2172 static DataLayout* next_extra(DataLayout* dp);
0 a61af66fc99e Initial load duke parents: diff changeset	2173
a61af66fc99e Initial load duke parents: diff changeset	2174 // Return (uint)-1 for overflow.
a61af66fc99e Initial load duke parents: diff changeset	2175 uint trap_count(int reason) const {
a61af66fc99e Initial load duke parents: diff changeset	2176 assert((uint)reason < _trap_hist_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	2177 return (int)((_trap_hist._array[reason]+1) & _trap_hist_mask) - 1;
a61af66fc99e Initial load duke parents: diff changeset	2178 }
a61af66fc99e Initial load duke parents: diff changeset	2179 // For loops:
a61af66fc99e Initial load duke parents: diff changeset	2180 static uint trap_reason_limit() { return _trap_hist_limit; }
a61af66fc99e Initial load duke parents: diff changeset	2181 static uint trap_count_limit() { return _trap_hist_mask; }
a61af66fc99e Initial load duke parents: diff changeset	2182 uint inc_trap_count(int reason) {
a61af66fc99e Initial load duke parents: diff changeset	2183 // Count another trap, anywhere in this method.
a61af66fc99e Initial load duke parents: diff changeset	2184 assert(reason >= 0, "must be single trap");
a61af66fc99e Initial load duke parents: diff changeset	2185 if ((uint)reason < _trap_hist_limit) {
a61af66fc99e Initial load duke parents: diff changeset	2186 uint cnt1 = 1 + _trap_hist._array[reason];
a61af66fc99e Initial load duke parents: diff changeset	2187 if ((cnt1 & _trap_hist_mask) != 0) { // if no counter overflow...
a61af66fc99e Initial load duke parents: diff changeset	2188 _trap_hist._array[reason] = cnt1;
a61af66fc99e Initial load duke parents: diff changeset	2189 return cnt1;
a61af66fc99e Initial load duke parents: diff changeset	2190 } else {
a61af66fc99e Initial load duke parents: diff changeset	2191 return _trap_hist_mask + (++_nof_overflow_traps);
a61af66fc99e Initial load duke parents: diff changeset	2192 }
a61af66fc99e Initial load duke parents: diff changeset	2193 } else {
a61af66fc99e Initial load duke parents: diff changeset	2194 // Could not represent the count in the histogram.
a61af66fc99e Initial load duke parents: diff changeset	2195 return (++_nof_overflow_traps);
a61af66fc99e Initial load duke parents: diff changeset	2196 }
a61af66fc99e Initial load duke parents: diff changeset	2197 }
a61af66fc99e Initial load duke parents: diff changeset	2198
a61af66fc99e Initial load duke parents: diff changeset	2199 uint overflow_trap_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2200 return _nof_overflow_traps;
a61af66fc99e Initial load duke parents: diff changeset	2201 }
a61af66fc99e Initial load duke parents: diff changeset	2202 uint overflow_recompile_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2203 return _nof_overflow_recompiles;
a61af66fc99e Initial load duke parents: diff changeset	2204 }
a61af66fc99e Initial load duke parents: diff changeset	2205 void inc_overflow_recompile_count() {
a61af66fc99e Initial load duke parents: diff changeset	2206 _nof_overflow_recompiles += 1;
a61af66fc99e Initial load duke parents: diff changeset	2207 }
a61af66fc99e Initial load duke parents: diff changeset	2208 uint decompile_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2209 return _nof_decompiles;
a61af66fc99e Initial load duke parents: diff changeset	2210 }
a61af66fc99e Initial load duke parents: diff changeset	2211 void inc_decompile_count() {
a61af66fc99e Initial load duke parents: diff changeset	2212 _nof_decompiles += 1;
1206 87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation kvn parents: 948 diff changeset	2213 if (decompile_count() > (uint)PerMethodRecompilationCutoff) {
7998 6a51fc70a15e 8006613: adding reason to made_not_compilable vlivanov parents: 6725 diff changeset	2214 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	2215 }
0 a61af66fc99e Initial load duke parents: diff changeset	2216 }
a61af66fc99e Initial load duke parents: diff changeset	2217
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2218 // Return pointer to area dedicated to parameters in MDO
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2219 ParametersTypeData* parameters_type_data() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2220 return _parameters_type_data_di != -1 ? data_layout_at(_parameters_type_data_di)->data_in()->as_ParametersTypeData() : NULL;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2221 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2222
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2223 int parameters_type_data_di() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2224 assert(_parameters_type_data_di != -1, "no args type data");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2225 return _parameters_type_data_di;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2226 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2227
0 a61af66fc99e Initial load duke parents: diff changeset	2228 // Support for code generation
a61af66fc99e Initial load duke parents: diff changeset	2229 static ByteSize data_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2230 return byte_offset_of(MethodData, _data[0]);
0 a61af66fc99e Initial load duke parents: diff changeset	2231 }
a61af66fc99e Initial load duke parents: diff changeset	2232
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2233 static ByteSize invocation_counter_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2234 return byte_offset_of(MethodData, _invocation_counter);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2235 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2236 static ByteSize backedge_counter_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2237 return byte_offset_of(MethodData, _backedge_counter);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2238 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2239
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2240 static ByteSize parameters_type_data_di_offset() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2241 return byte_offset_of(MethodData, _parameters_type_data_di);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2242 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2243
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2244 // Deallocation support - no pointer fields to deallocate
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2245 void deallocate_contents(ClassLoaderData* loader_data) {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2246
0 a61af66fc99e Initial load duke parents: diff changeset	2247 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2248 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	2249
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2250 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2251 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2252 void print_on (outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2253 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2254 void print_value_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2255
a61af66fc99e Initial load duke parents: diff changeset	2256 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2257 // printing support for method data
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2258 void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2259 #endif
a61af66fc99e Initial load duke parents: diff changeset	2260
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2261 const char* internal_name() const { return "{method data}"; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2262
0 a61af66fc99e Initial load duke parents: diff changeset	2263 // verification
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2264 void verify_on(outputStream* st);
0 a61af66fc99e Initial load duke parents: diff changeset	2265 void verify_data_on(outputStream* st);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2266
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2267 static bool profile_parameters_for_method(methodHandle m);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2268 static bool profile_arguments();
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	2269 static bool profile_return();
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2270 static bool profile_parameters();
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	2271 static bool profile_return_jsr292_only();
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2272
b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 13080 diff changeset	2273 void clean_method_data(BoolObjectClosure* is_alive);
0 a61af66fc99e Initial load duke parents: diff changeset	2274 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	2275
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	2276 #endif // SHARE_VM_OOPS_METHODDATAOOP_HPP

Mercurial > hg > truffle

annotate src/share/vm/oops/methodData.hpp @ 17728:b8413a9cbb84