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

annotate src/share/vm/oops/methodData.hpp @ 14674:53ed0f89f44e

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

author	roland
date	Wed, 05 Mar 2014 09:29:12 +0100
parents	fdad2932c73f
children	b51e29501f30

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,
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	123 parameters_type_data_tag,
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	124 speculative_trap_data_tag
0 a61af66fc99e Initial load duke parents: diff changeset	125 };
a61af66fc99e Initial load duke parents: diff changeset	126
a61af66fc99e Initial load duke parents: diff changeset	127 enum {
a61af66fc99e Initial load duke parents: diff changeset	128 // The _struct._flags word is formatted as [trap_state:4 \| flags:4].
a61af66fc99e Initial load duke parents: diff changeset	129 // The trap state breaks down further as [recompile:1 \| reason:3].
a61af66fc99e Initial load duke parents: diff changeset	130 // This further breakdown is defined in deoptimization.cpp.
a61af66fc99e Initial load duke parents: diff changeset	131 // See Deoptimization::trap_state_reason for an assert that
a61af66fc99e Initial load duke parents: diff changeset	132 // trap_bits is big enough to hold reasons < Reason_RECORDED_LIMIT.
a61af66fc99e Initial load duke parents: diff changeset	133 //
a61af66fc99e Initial load duke parents: diff changeset	134 // The trap_state is collected only if ProfileTraps is true.
a61af66fc99e Initial load duke parents: diff changeset	135 trap_bits = 1+3, // 3: enough to distinguish [0..Reason_RECORDED_LIMIT].
a61af66fc99e Initial load duke parents: diff changeset	136 trap_shift = BitsPerByte - trap_bits,
a61af66fc99e Initial load duke parents: diff changeset	137 trap_mask = right_n_bits(trap_bits),
a61af66fc99e Initial load duke parents: diff changeset	138 trap_mask_in_place = (trap_mask << trap_shift),
a61af66fc99e Initial load duke parents: diff changeset	139 flag_limit = trap_shift,
a61af66fc99e Initial load duke parents: diff changeset	140 flag_mask = right_n_bits(flag_limit),
a61af66fc99e Initial load duke parents: diff changeset	141 first_flag = 0
a61af66fc99e Initial load duke parents: diff changeset	142 };
a61af66fc99e Initial load duke parents: diff changeset	143
a61af66fc99e Initial load duke parents: diff changeset	144 // Size computation
a61af66fc99e Initial load duke parents: diff changeset	145 static int header_size_in_bytes() {
a61af66fc99e Initial load duke parents: diff changeset	146 return cell_size;
a61af66fc99e Initial load duke parents: diff changeset	147 }
a61af66fc99e Initial load duke parents: diff changeset	148 static int header_size_in_cells() {
a61af66fc99e Initial load duke parents: diff changeset	149 return 1;
a61af66fc99e Initial load duke parents: diff changeset	150 }
a61af66fc99e Initial load duke parents: diff changeset	151
a61af66fc99e Initial load duke parents: diff changeset	152 static int compute_size_in_bytes(int cell_count) {
a61af66fc99e Initial load duke parents: diff changeset	153 return header_size_in_bytes() + cell_count * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	154 }
a61af66fc99e Initial load duke parents: diff changeset	155
a61af66fc99e Initial load duke parents: diff changeset	156 // Initialization
a61af66fc99e Initial load duke parents: diff changeset	157 void initialize(u1 tag, u2 bci, int cell_count);
a61af66fc99e Initial load duke parents: diff changeset	158
a61af66fc99e Initial load duke parents: diff changeset	159 // Accessors
a61af66fc99e Initial load duke parents: diff changeset	160 u1 tag() {
a61af66fc99e Initial load duke parents: diff changeset	161 return _header._struct._tag;
a61af66fc99e Initial load duke parents: diff changeset	162 }
a61af66fc99e Initial load duke parents: diff changeset	163
a61af66fc99e Initial load duke parents: diff changeset	164 // Return a few bits of trap state. Range is [0..trap_mask].
a61af66fc99e Initial load duke parents: diff changeset	165 // The state tells if traps with zero, one, or many reasons have occurred.
a61af66fc99e Initial load duke parents: diff changeset	166 // It also tells whether zero or many recompilations have occurred.
a61af66fc99e Initial load duke parents: diff changeset	167 // The associated trap histogram in the MDO itself tells whether
a61af66fc99e Initial load duke parents: diff changeset	168 // traps are common or not. If a BCI shows that a trap X has
a61af66fc99e Initial load duke parents: diff changeset	169 // occurred, and the MDO shows N occurrences of X, we make the
a61af66fc99e Initial load duke parents: diff changeset	170 // simplifying assumption that all N occurrences can be blamed
a61af66fc99e Initial load duke parents: diff changeset	171 // on that BCI.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	172 int trap_state() const {
0 a61af66fc99e Initial load duke parents: diff changeset	173 return ((_header._struct._flags >> trap_shift) & trap_mask);
a61af66fc99e Initial load duke parents: diff changeset	174 }
a61af66fc99e Initial load duke parents: diff changeset	175
a61af66fc99e Initial load duke parents: diff changeset	176 void set_trap_state(int new_state) {
a61af66fc99e Initial load duke parents: diff changeset	177 assert(ProfileTraps, "used only under +ProfileTraps");
a61af66fc99e Initial load duke parents: diff changeset	178 uint old_flags = (_header._struct._flags & flag_mask);
a61af66fc99e Initial load duke parents: diff changeset	179 _header._struct._flags = (new_state << trap_shift) \| old_flags;
a61af66fc99e Initial load duke parents: diff changeset	180 }
a61af66fc99e Initial load duke parents: diff changeset	181
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	182 u1 flags() const {
0 a61af66fc99e Initial load duke parents: diff changeset	183 return _header._struct._flags;
a61af66fc99e Initial load duke parents: diff changeset	184 }
a61af66fc99e Initial load duke parents: diff changeset	185
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	186 u2 bci() const {
0 a61af66fc99e Initial load duke parents: diff changeset	187 return _header._struct._bci;
a61af66fc99e Initial load duke parents: diff changeset	188 }
a61af66fc99e Initial load duke parents: diff changeset	189
a61af66fc99e Initial load duke parents: diff changeset	190 void set_header(intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	191 _header._bits = value;
a61af66fc99e Initial load duke parents: diff changeset	192 }
a61af66fc99e Initial load duke parents: diff changeset	193 intptr_t header() {
a61af66fc99e Initial load duke parents: diff changeset	194 return _header._bits;
a61af66fc99e Initial load duke parents: diff changeset	195 }
a61af66fc99e Initial load duke parents: diff changeset	196 void set_cell_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	197 _cells[index] = value;
a61af66fc99e Initial load duke parents: diff changeset	198 }
a61af66fc99e Initial load duke parents: diff changeset	199 void release_set_cell_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	200 OrderAccess::release_store_ptr(&_cells[index], value);
a61af66fc99e Initial load duke parents: diff changeset	201 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	202 intptr_t cell_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	203 return _cells[index];
a61af66fc99e Initial load duke parents: diff changeset	204 }
a61af66fc99e Initial load duke parents: diff changeset	205
a61af66fc99e Initial load duke parents: diff changeset	206 void set_flag_at(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	207 assert(flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	208 _header._struct._flags \|= (0x1 << flag_number);
a61af66fc99e Initial load duke parents: diff changeset	209 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	210 bool flag_at(int flag_number) const {
0 a61af66fc99e Initial load duke parents: diff changeset	211 assert(flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	212 return (_header._struct._flags & (0x1 << flag_number)) != 0;
a61af66fc99e Initial load duke parents: diff changeset	213 }
a61af66fc99e Initial load duke parents: diff changeset	214
a61af66fc99e Initial load duke parents: diff changeset	215 // Low-level support for code generation.
a61af66fc99e Initial load duke parents: diff changeset	216 static ByteSize header_offset() {
a61af66fc99e Initial load duke parents: diff changeset	217 return byte_offset_of(DataLayout, _header);
a61af66fc99e Initial load duke parents: diff changeset	218 }
a61af66fc99e Initial load duke parents: diff changeset	219 static ByteSize tag_offset() {
a61af66fc99e Initial load duke parents: diff changeset	220 return byte_offset_of(DataLayout, _header._struct._tag);
a61af66fc99e Initial load duke parents: diff changeset	221 }
a61af66fc99e Initial load duke parents: diff changeset	222 static ByteSize flags_offset() {
a61af66fc99e Initial load duke parents: diff changeset	223 return byte_offset_of(DataLayout, _header._struct._flags);
a61af66fc99e Initial load duke parents: diff changeset	224 }
a61af66fc99e Initial load duke parents: diff changeset	225 static ByteSize bci_offset() {
a61af66fc99e Initial load duke parents: diff changeset	226 return byte_offset_of(DataLayout, _header._struct._bci);
a61af66fc99e Initial load duke parents: diff changeset	227 }
a61af66fc99e Initial load duke parents: diff changeset	228 static ByteSize cell_offset(int index) {
2333 f767174aac14 7021653: Parfait issue in hotspot/src/share/vm/oops/methodDataOops.hpp coleenp parents: 2264 diff changeset	229 return byte_offset_of(DataLayout, _cells) + in_ByteSize(index * cell_size);
0 a61af66fc99e Initial load duke parents: diff changeset	230 }
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	231 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	232 static int cell_offset_in_bytes(int index) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	233 return (int)offset_of(DataLayout, _cells[index]);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	234 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	235 #endif // CC_INTERP
0 a61af66fc99e Initial load duke parents: diff changeset	236 // Return a value which, when or-ed as a byte into _flags, sets the flag.
a61af66fc99e Initial load duke parents: diff changeset	237 static int flag_number_to_byte_constant(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	238 assert(0 <= flag_number && flag_number < flag_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	239 DataLayout temp; temp.set_header(0);
a61af66fc99e Initial load duke parents: diff changeset	240 temp.set_flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	241 return temp._header._struct._flags;
a61af66fc99e Initial load duke parents: diff changeset	242 }
a61af66fc99e Initial load duke parents: diff changeset	243 // Return a value which, when or-ed as a word into _header, sets the flag.
a61af66fc99e Initial load duke parents: diff changeset	244 static intptr_t flag_mask_to_header_mask(int byte_constant) {
a61af66fc99e Initial load duke parents: diff changeset	245 DataLayout temp; temp.set_header(0);
a61af66fc99e Initial load duke parents: diff changeset	246 temp._header._struct._flags = byte_constant;
a61af66fc99e Initial load duke parents: diff changeset	247 return temp._header._bits;
a61af66fc99e Initial load duke parents: diff changeset	248 }
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	249
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	250 ProfileData* data_in();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	251
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	252 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	253 void clean_weak_klass_links(BoolObjectClosure* cl);
0 a61af66fc99e Initial load duke parents: diff changeset	254 };
a61af66fc99e Initial load duke parents: diff changeset	255
a61af66fc99e Initial load duke parents: diff changeset	256
a61af66fc99e Initial load duke parents: diff changeset	257 // ProfileData class hierarchy
a61af66fc99e Initial load duke parents: diff changeset	258 class ProfileData;
a61af66fc99e Initial load duke parents: diff changeset	259 class BitData;
a61af66fc99e Initial load duke parents: diff changeset	260 class CounterData;
a61af66fc99e Initial load duke parents: diff changeset	261 class ReceiverTypeData;
a61af66fc99e Initial load duke parents: diff changeset	262 class VirtualCallData;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	263 class VirtualCallTypeData;
0 a61af66fc99e Initial load duke parents: diff changeset	264 class RetData;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	265 class CallTypeData;
0 a61af66fc99e Initial load duke parents: diff changeset	266 class JumpData;
a61af66fc99e Initial load duke parents: diff changeset	267 class BranchData;
a61af66fc99e Initial load duke parents: diff changeset	268 class ArrayData;
a61af66fc99e Initial load duke parents: diff changeset	269 class MultiBranchData;
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	270 class ArgInfoData;
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	271 class ParametersTypeData;
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	272 class SpeculativeTrapData;
0 a61af66fc99e Initial load duke parents: diff changeset	273
a61af66fc99e Initial load duke parents: diff changeset	274 // ProfileData
a61af66fc99e Initial load duke parents: diff changeset	275 //
a61af66fc99e Initial load duke parents: diff changeset	276 // A ProfileData object is created to refer to a section of profiling
a61af66fc99e Initial load duke parents: diff changeset	277 // data in a structured way.
a61af66fc99e Initial load duke parents: diff changeset	278 class ProfileData : public ResourceObj {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	279 friend class TypeEntries;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	280 friend class ReturnTypeEntry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	281 friend class TypeStackSlotEntries;
0 a61af66fc99e Initial load duke parents: diff changeset	282 private:
a61af66fc99e Initial load duke parents: diff changeset	283 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	284 enum {
a61af66fc99e Initial load duke parents: diff changeset	285 tab_width_one = 16,
a61af66fc99e Initial load duke parents: diff changeset	286 tab_width_two = 36
a61af66fc99e Initial load duke parents: diff changeset	287 };
a61af66fc99e Initial load duke parents: diff changeset	288 #endif // !PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	289
a61af66fc99e Initial load duke parents: diff changeset	290 // This is a pointer to a section of profiling data.
a61af66fc99e Initial load duke parents: diff changeset	291 DataLayout* _data;
a61af66fc99e Initial load duke parents: diff changeset	292
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	293 char* print_data_on_helper(const MethodData* md) const;
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	294
0 a61af66fc99e Initial load duke parents: diff changeset	295 protected:
a61af66fc99e Initial load duke parents: diff changeset	296 DataLayout* data() { return _data; }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	297 const DataLayout* data() const { return _data; }
0 a61af66fc99e Initial load duke parents: diff changeset	298
a61af66fc99e Initial load duke parents: diff changeset	299 enum {
a61af66fc99e Initial load duke parents: diff changeset	300 cell_size = DataLayout::cell_size
a61af66fc99e Initial load duke parents: diff changeset	301 };
a61af66fc99e Initial load duke parents: diff changeset	302
a61af66fc99e Initial load duke parents: diff changeset	303 public:
a61af66fc99e Initial load duke parents: diff changeset	304 // How many cells are in this?
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	305 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	306 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	307 return -1;
a61af66fc99e Initial load duke parents: diff changeset	308 }
a61af66fc99e Initial load duke parents: diff changeset	309
a61af66fc99e Initial load duke parents: diff changeset	310 // Return the size of this data.
a61af66fc99e Initial load duke parents: diff changeset	311 int size_in_bytes() {
a61af66fc99e Initial load duke parents: diff changeset	312 return DataLayout::compute_size_in_bytes(cell_count());
a61af66fc99e Initial load duke parents: diff changeset	313 }
a61af66fc99e Initial load duke parents: diff changeset	314
a61af66fc99e Initial load duke parents: diff changeset	315 protected:
a61af66fc99e Initial load duke parents: diff changeset	316 // Low-level accessors for underlying data
a61af66fc99e Initial load duke parents: diff changeset	317 void set_intptr_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	318 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	319 data()->set_cell_at(index, value);
a61af66fc99e Initial load duke parents: diff changeset	320 }
a61af66fc99e Initial load duke parents: diff changeset	321 void release_set_intptr_at(int index, intptr_t value) {
a61af66fc99e Initial load duke parents: diff changeset	322 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	323 data()->release_set_cell_at(index, value);
a61af66fc99e Initial load duke parents: diff changeset	324 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	325 intptr_t intptr_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	326 assert(0 <= index && index < cell_count(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	327 return data()->cell_at(index);
a61af66fc99e Initial load duke parents: diff changeset	328 }
a61af66fc99e Initial load duke parents: diff changeset	329 void set_uint_at(int index, uint value) {
a61af66fc99e Initial load duke parents: diff changeset	330 set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	331 }
a61af66fc99e Initial load duke parents: diff changeset	332 void release_set_uint_at(int index, uint value) {
a61af66fc99e Initial load duke parents: diff changeset	333 release_set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	334 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	335 uint uint_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	336 return (uint)intptr_at(index);
a61af66fc99e Initial load duke parents: diff changeset	337 }
a61af66fc99e Initial load duke parents: diff changeset	338 void set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	339 set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	340 }
a61af66fc99e Initial load duke parents: diff changeset	341 void release_set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	342 release_set_intptr_at(index, (intptr_t) value);
a61af66fc99e Initial load duke parents: diff changeset	343 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	344 int int_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	345 return (int)intptr_at(index);
a61af66fc99e Initial load duke parents: diff changeset	346 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	347 int int_at_unchecked(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	348 return (int)data()->cell_at(index);
a61af66fc99e Initial load duke parents: diff changeset	349 }
a61af66fc99e Initial load duke parents: diff changeset	350 void set_oop_at(int index, oop value) {
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12258 diff changeset	351 set_intptr_at(index, cast_from_oop<intptr_t>(value));
0 a61af66fc99e Initial load duke parents: diff changeset	352 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	353 oop oop_at(int index) const {
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12258 diff changeset	354 return cast_to_oop(intptr_at(index));
0 a61af66fc99e Initial load duke parents: diff changeset	355 }
a61af66fc99e Initial load duke parents: diff changeset	356
a61af66fc99e Initial load duke parents: diff changeset	357 void set_flag_at(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	358 data()->set_flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	359 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	360 bool flag_at(int flag_number) const {
0 a61af66fc99e Initial load duke parents: diff changeset	361 return data()->flag_at(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	362 }
a61af66fc99e Initial load duke parents: diff changeset	363
a61af66fc99e Initial load duke parents: diff changeset	364 // two convenient imports for use by subclasses:
a61af66fc99e Initial load duke parents: diff changeset	365 static ByteSize cell_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	366 return DataLayout::cell_offset(index);
a61af66fc99e Initial load duke parents: diff changeset	367 }
a61af66fc99e Initial load duke parents: diff changeset	368 static int flag_number_to_byte_constant(int flag_number) {
a61af66fc99e Initial load duke parents: diff changeset	369 return DataLayout::flag_number_to_byte_constant(flag_number);
a61af66fc99e Initial load duke parents: diff changeset	370 }
a61af66fc99e Initial load duke parents: diff changeset	371
a61af66fc99e Initial load duke parents: diff changeset	372 ProfileData(DataLayout* data) {
a61af66fc99e Initial load duke parents: diff changeset	373 _data = data;
a61af66fc99e Initial load duke parents: diff changeset	374 }
a61af66fc99e Initial load duke parents: diff changeset	375
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	376 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	377 // Static low level accessors for DataLayout with ProfileData's semantics.
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	378
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	379 static int cell_offset_in_bytes(int index) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	380 return DataLayout::cell_offset_in_bytes(index);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	381 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	382
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	383 static void increment_uint_at_no_overflow(DataLayout* layout, int index,
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	384 int inc = DataLayout::counter_increment) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	385 uint count = ((uint)layout->cell_at(index)) + inc;
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	386 if (count == 0) return;
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	387 layout->set_cell_at(index, (intptr_t) count);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	388 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	389
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	390 static int int_at(DataLayout* layout, int index) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	391 return (int)layout->cell_at(index);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	392 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	393
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	394 static int uint_at(DataLayout* layout, int index) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	395 return (uint)layout->cell_at(index);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	396 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	397
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	398 static oop oop_at(DataLayout* layout, int index) {
14433 018b357638aa 8028514: PPC64: Fix C++ Interpreter after '7195622: CheckUnhandledOops has limited usefulness now' simonis parents: 14422 diff changeset	399 return cast_to_oop(layout->cell_at(index));
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	400 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	401
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	402 static void set_intptr_at(DataLayout* layout, int index, intptr_t value) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	403 layout->set_cell_at(index, (intptr_t) value);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	404 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	405
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	406 static void set_flag_at(DataLayout* layout, int flag_number) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	407 layout->set_flag_at(flag_number);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	408 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	409 #endif // CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	410
0 a61af66fc99e Initial load duke parents: diff changeset	411 public:
a61af66fc99e Initial load duke parents: diff changeset	412 // Constructor for invalid ProfileData.
a61af66fc99e Initial load duke parents: diff changeset	413 ProfileData();
a61af66fc99e Initial load duke parents: diff changeset	414
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	415 u2 bci() const {
0 a61af66fc99e Initial load duke parents: diff changeset	416 return data()->bci();
a61af66fc99e Initial load duke parents: diff changeset	417 }
a61af66fc99e Initial load duke parents: diff changeset	418
a61af66fc99e Initial load duke parents: diff changeset	419 address dp() {
a61af66fc99e Initial load duke parents: diff changeset	420 return (address)_data;
a61af66fc99e Initial load duke parents: diff changeset	421 }
a61af66fc99e Initial load duke parents: diff changeset	422
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	423 int trap_state() const {
0 a61af66fc99e Initial load duke parents: diff changeset	424 return data()->trap_state();
a61af66fc99e Initial load duke parents: diff changeset	425 }
a61af66fc99e Initial load duke parents: diff changeset	426 void set_trap_state(int new_state) {
a61af66fc99e Initial load duke parents: diff changeset	427 data()->set_trap_state(new_state);
a61af66fc99e Initial load duke parents: diff changeset	428 }
a61af66fc99e Initial load duke parents: diff changeset	429
a61af66fc99e Initial load duke parents: diff changeset	430 // Type checking
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	431 virtual bool is_BitData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	432 virtual bool is_CounterData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	433 virtual bool is_JumpData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	434 virtual bool is_ReceiverTypeData()const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	435 virtual bool is_VirtualCallData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	436 virtual bool is_RetData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	437 virtual bool is_BranchData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	438 virtual bool is_ArrayData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	439 virtual bool is_MultiBranchData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	440 virtual bool is_ArgInfoData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	441 virtual bool is_CallTypeData() const { return false; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	442 virtual bool is_VirtualCallTypeData()const { return false; }
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	443 virtual bool is_ParametersTypeData() const { return false; }
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	444 virtual bool is_SpeculativeTrapData()const { return false; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	445
0 a61af66fc99e Initial load duke parents: diff changeset	446
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	447 BitData* as_BitData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	448 assert(is_BitData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	449 return is_BitData() ? (BitData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	450 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	451 CounterData* as_CounterData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	452 assert(is_CounterData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	453 return is_CounterData() ? (CounterData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	454 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	455 JumpData* as_JumpData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	456 assert(is_JumpData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	457 return is_JumpData() ? (JumpData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	458 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	459 ReceiverTypeData* as_ReceiverTypeData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	460 assert(is_ReceiverTypeData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	461 return is_ReceiverTypeData() ? (ReceiverTypeData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	462 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	463 VirtualCallData* as_VirtualCallData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	464 assert(is_VirtualCallData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	465 return is_VirtualCallData() ? (VirtualCallData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	466 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	467 RetData* as_RetData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	468 assert(is_RetData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	469 return is_RetData() ? (RetData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	470 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	471 BranchData* as_BranchData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	472 assert(is_BranchData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	473 return is_BranchData() ? (BranchData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	474 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	475 ArrayData* as_ArrayData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	476 assert(is_ArrayData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	477 return is_ArrayData() ? (ArrayData*) this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	478 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	479 MultiBranchData* as_MultiBranchData() const {
0 a61af66fc99e Initial load duke parents: diff changeset	480 assert(is_MultiBranchData(), "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	481 return is_MultiBranchData() ? (MultiBranchData*)this : NULL;
a61af66fc99e Initial load duke parents: diff changeset	482 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	483 ArgInfoData* as_ArgInfoData() const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	484 assert(is_ArgInfoData(), "wrong type");
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	485 return is_ArgInfoData() ? (ArgInfoData*)this : NULL;
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	486 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	487 CallTypeData* as_CallTypeData() const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	488 assert(is_CallTypeData(), "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	489 return is_CallTypeData() ? (CallTypeData*)this : NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	490 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	491 VirtualCallTypeData* as_VirtualCallTypeData() const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	492 assert(is_VirtualCallTypeData(), "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	493 return is_VirtualCallTypeData() ? (VirtualCallTypeData*)this : NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	494 }
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	495 ParametersTypeData* as_ParametersTypeData() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	496 assert(is_ParametersTypeData(), "wrong type");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	497 return is_ParametersTypeData() ? (ParametersTypeData*)this : NULL;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	498 }
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	499 SpeculativeTrapData* as_SpeculativeTrapData() const {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	500 assert(is_SpeculativeTrapData(), "wrong type");
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	501 return is_SpeculativeTrapData() ? (SpeculativeTrapData*)this : NULL;
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	502 }
0 a61af66fc99e Initial load duke parents: diff changeset	503
a61af66fc99e Initial load duke parents: diff changeset	504
a61af66fc99e Initial load duke parents: diff changeset	505 // Subclass specific initialization
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	506 virtual void post_initialize(BytecodeStream* stream, MethodData* mdo) {}
0 a61af66fc99e Initial load duke parents: diff changeset	507
a61af66fc99e Initial load duke parents: diff changeset	508 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	509 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {}
0 a61af66fc99e Initial load duke parents: diff changeset	510
a61af66fc99e Initial load duke parents: diff changeset	511 // CI translation: ProfileData can represent both MethodDataOop data
a61af66fc99e Initial load duke parents: diff changeset	512 // as well as CIMethodData data. This function is provided for translating
a61af66fc99e Initial load duke parents: diff changeset	513 // an oop in a ProfileData to the ci equivalent. Generally speaking,
a61af66fc99e Initial load duke parents: diff changeset	514 // most ProfileData don't require any translation, so we provide the null
a61af66fc99e Initial load duke parents: diff changeset	515 // 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	516 virtual void translate_from(const ProfileData* data) {}
0 a61af66fc99e Initial load duke parents: diff changeset	517
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	518 virtual void print_data_on(outputStream* st, const char* extra = NULL) const {
0 a61af66fc99e Initial load duke parents: diff changeset	519 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	520 }
a61af66fc99e Initial load duke parents: diff changeset	521
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	522 void print_data_on(outputStream* st, const MethodData* md) const;
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	523
0 a61af66fc99e Initial load duke parents: diff changeset	524 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	525 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	526 void tab(outputStream* st, bool first = false) const;
0 a61af66fc99e Initial load duke parents: diff changeset	527 #endif
a61af66fc99e Initial load duke parents: diff changeset	528 };
a61af66fc99e Initial load duke parents: diff changeset	529
a61af66fc99e Initial load duke parents: diff changeset	530 // BitData
a61af66fc99e Initial load duke parents: diff changeset	531 //
a61af66fc99e Initial load duke parents: diff changeset	532 // A BitData holds a flag or two in its header.
a61af66fc99e Initial load duke parents: diff changeset	533 class BitData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	534 protected:
a61af66fc99e Initial load duke parents: diff changeset	535 enum {
a61af66fc99e Initial load duke parents: diff changeset	536 // null_seen:
a61af66fc99e Initial load duke parents: diff changeset	537 // saw a null operand (cast/aastore/instanceof)
a61af66fc99e Initial load duke parents: diff changeset	538 null_seen_flag = DataLayout::first_flag + 0
a61af66fc99e Initial load duke parents: diff changeset	539 };
a61af66fc99e Initial load duke parents: diff changeset	540 enum { bit_cell_count = 0 }; // no additional data fields needed.
a61af66fc99e Initial load duke parents: diff changeset	541 public:
a61af66fc99e Initial load duke parents: diff changeset	542 BitData(DataLayout* layout) : ProfileData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	543 }
a61af66fc99e Initial load duke parents: diff changeset	544
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	545 virtual bool is_BitData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	546
a61af66fc99e Initial load duke parents: diff changeset	547 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	548 return bit_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	549 }
a61af66fc99e Initial load duke parents: diff changeset	550
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	551 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	552 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	553 }
a61af66fc99e Initial load duke parents: diff changeset	554
a61af66fc99e Initial load duke parents: diff changeset	555 // Accessor
a61af66fc99e Initial load duke parents: diff changeset	556
a61af66fc99e Initial load duke parents: diff changeset	557 // The null_seen flag bit is specially known to the interpreter.
a61af66fc99e Initial load duke parents: diff changeset	558 // Consulting it allows the compiler to avoid setting up null_check traps.
a61af66fc99e Initial load duke parents: diff changeset	559 bool null_seen() { return flag_at(null_seen_flag); }
a61af66fc99e Initial load duke parents: diff changeset	560 void set_null_seen() { set_flag_at(null_seen_flag); }
a61af66fc99e Initial load duke parents: diff changeset	561
a61af66fc99e Initial load duke parents: diff changeset	562
a61af66fc99e Initial load duke parents: diff changeset	563 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	564 static int null_seen_byte_constant() {
a61af66fc99e Initial load duke parents: diff changeset	565 return flag_number_to_byte_constant(null_seen_flag);
a61af66fc99e Initial load duke parents: diff changeset	566 }
a61af66fc99e Initial load duke parents: diff changeset	567
a61af66fc99e Initial load duke parents: diff changeset	568 static ByteSize bit_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	569 return cell_offset(bit_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	570 }
a61af66fc99e Initial load duke parents: diff changeset	571
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	572 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	573 static int bit_data_size_in_bytes() {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	574 return cell_offset_in_bytes(bit_cell_count);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	575 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	576
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	577 static void set_null_seen(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	578 set_flag_at(layout, null_seen_flag);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	579 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	580
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	581 static DataLayout* advance(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	582 return (DataLayout*) (((address)layout) + (ssize_t)BitData::bit_data_size_in_bytes());
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	583 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	584 #endif // CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	585
0 a61af66fc99e Initial load duke parents: diff changeset	586 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	587 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	588 #endif
a61af66fc99e Initial load duke parents: diff changeset	589 };
a61af66fc99e Initial load duke parents: diff changeset	590
a61af66fc99e Initial load duke parents: diff changeset	591 // CounterData
a61af66fc99e Initial load duke parents: diff changeset	592 //
a61af66fc99e Initial load duke parents: diff changeset	593 // A CounterData corresponds to a simple counter.
a61af66fc99e Initial load duke parents: diff changeset	594 class CounterData : public BitData {
a61af66fc99e Initial load duke parents: diff changeset	595 protected:
a61af66fc99e Initial load duke parents: diff changeset	596 enum {
a61af66fc99e Initial load duke parents: diff changeset	597 count_off,
a61af66fc99e Initial load duke parents: diff changeset	598 counter_cell_count
a61af66fc99e Initial load duke parents: diff changeset	599 };
a61af66fc99e Initial load duke parents: diff changeset	600 public:
a61af66fc99e Initial load duke parents: diff changeset	601 CounterData(DataLayout* layout) : BitData(layout) {}
a61af66fc99e Initial load duke parents: diff changeset	602
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	603 virtual bool is_CounterData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	604
a61af66fc99e Initial load duke parents: diff changeset	605 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	606 return counter_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	607 }
a61af66fc99e Initial load duke parents: diff changeset	608
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	609 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	610 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	611 }
a61af66fc99e Initial load duke parents: diff changeset	612
a61af66fc99e Initial load duke parents: diff changeset	613 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	614 uint count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	615 return uint_at(count_off);
a61af66fc99e Initial load duke parents: diff changeset	616 }
a61af66fc99e Initial load duke parents: diff changeset	617
a61af66fc99e Initial load duke parents: diff changeset	618 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	619 static ByteSize count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	620 return cell_offset(count_off);
a61af66fc99e Initial load duke parents: diff changeset	621 }
a61af66fc99e Initial load duke parents: diff changeset	622 static ByteSize counter_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	623 return cell_offset(counter_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	624 }
a61af66fc99e Initial load duke parents: diff changeset	625
1251 576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	626 void set_count(uint count) {
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	627 set_uint_at(count_off, count);
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	628 }
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	629
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	630 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	631 static int counter_data_size_in_bytes() {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	632 return cell_offset_in_bytes(counter_cell_count);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	633 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	634
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	635 static void increment_count_no_overflow(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	636 increment_uint_at_no_overflow(layout, count_off);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	637 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	638
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	639 // Support counter decrementation at checkcast / subtype check failed.
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	640 static void decrement_count(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	641 increment_uint_at_no_overflow(layout, count_off, -1);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	642 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	643
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	644 static DataLayout* advance(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	645 return (DataLayout*) (((address)layout) + (ssize_t)CounterData::counter_data_size_in_bytes());
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	646 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	647 #endif // CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	648
0 a61af66fc99e Initial load duke parents: diff changeset	649 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	650 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	651 #endif
a61af66fc99e Initial load duke parents: diff changeset	652 };
a61af66fc99e Initial load duke parents: diff changeset	653
a61af66fc99e Initial load duke parents: diff changeset	654 // JumpData
a61af66fc99e Initial load duke parents: diff changeset	655 //
a61af66fc99e Initial load duke parents: diff changeset	656 // A JumpData is used to access profiling information for a direct
a61af66fc99e Initial load duke parents: diff changeset	657 // branch. It is a counter, used for counting the number of branches,
a61af66fc99e Initial load duke parents: diff changeset	658 // plus a data displacement, used for realigning the data pointer to
a61af66fc99e Initial load duke parents: diff changeset	659 // the corresponding target bci.
a61af66fc99e Initial load duke parents: diff changeset	660 class JumpData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	661 protected:
a61af66fc99e Initial load duke parents: diff changeset	662 enum {
a61af66fc99e Initial load duke parents: diff changeset	663 taken_off_set,
a61af66fc99e Initial load duke parents: diff changeset	664 displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	665 jump_cell_count
a61af66fc99e Initial load duke parents: diff changeset	666 };
a61af66fc99e Initial load duke parents: diff changeset	667
a61af66fc99e Initial load duke parents: diff changeset	668 void set_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	669 set_int_at(displacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	670 }
a61af66fc99e Initial load duke parents: diff changeset	671
a61af66fc99e Initial load duke parents: diff changeset	672 public:
a61af66fc99e Initial load duke parents: diff changeset	673 JumpData(DataLayout* layout) : ProfileData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	674 assert(layout->tag() == DataLayout::jump_data_tag \|\|
a61af66fc99e Initial load duke parents: diff changeset	675 layout->tag() == DataLayout::branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	676 }
a61af66fc99e Initial load duke parents: diff changeset	677
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	678 virtual bool is_JumpData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	679
a61af66fc99e Initial load duke parents: diff changeset	680 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	681 return jump_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	682 }
a61af66fc99e Initial load duke parents: diff changeset	683
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	684 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	685 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	686 }
a61af66fc99e Initial load duke parents: diff changeset	687
a61af66fc99e Initial load duke parents: diff changeset	688 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	689 uint taken() const {
0 a61af66fc99e Initial load duke parents: diff changeset	690 return uint_at(taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	691 }
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	692
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	693 void set_taken(uint cnt) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	694 set_uint_at(taken_off_set, cnt);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	695 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	696
0 a61af66fc99e Initial load duke parents: diff changeset	697 // Saturating counter
a61af66fc99e Initial load duke parents: diff changeset	698 uint inc_taken() {
a61af66fc99e Initial load duke parents: diff changeset	699 uint cnt = taken() + 1;
a61af66fc99e Initial load duke parents: diff changeset	700 // Did we wrap? Will compiler screw us??
a61af66fc99e Initial load duke parents: diff changeset	701 if (cnt == 0) cnt--;
a61af66fc99e Initial load duke parents: diff changeset	702 set_uint_at(taken_off_set, cnt);
a61af66fc99e Initial load duke parents: diff changeset	703 return cnt;
a61af66fc99e Initial load duke parents: diff changeset	704 }
a61af66fc99e Initial load duke parents: diff changeset	705
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	706 int displacement() const {
0 a61af66fc99e Initial load duke parents: diff changeset	707 return int_at(displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	708 }
a61af66fc99e Initial load duke parents: diff changeset	709
a61af66fc99e Initial load duke parents: diff changeset	710 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	711 static ByteSize taken_offset() {
a61af66fc99e Initial load duke parents: diff changeset	712 return cell_offset(taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	713 }
a61af66fc99e Initial load duke parents: diff changeset	714
a61af66fc99e Initial load duke parents: diff changeset	715 static ByteSize displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	716 return cell_offset(displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	717 }
a61af66fc99e Initial load duke parents: diff changeset	718
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	719 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	720 static void increment_taken_count_no_overflow(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	721 increment_uint_at_no_overflow(layout, taken_off_set);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	722 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	723
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	724 static DataLayout* advance_taken(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	725 return (DataLayout*) (((address)layout) + (ssize_t)int_at(layout, displacement_off_set));
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	726 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	727
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	728 static uint taken_count(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	729 return (uint) uint_at(layout, taken_off_set);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	730 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	731 #endif // CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	732
0 a61af66fc99e Initial load duke parents: diff changeset	733 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	734 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	735
a61af66fc99e Initial load duke parents: diff changeset	736 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	737 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	738 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	739 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	740
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	741 // 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	742 // 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	743 // 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	744 // 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	745 // is tracked (unlike VirtualCallData).
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	746 class TypeEntries {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	747
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	748 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	749
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	750 // 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	751 // - the cell is initialized to 0
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	752 // - 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	753 // - 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	754 // was encountered or not
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	755 // - 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	756
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	757 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	758 null_seen = 1,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	759 type_mask = ~null_seen,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	760 type_unknown = 2,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	761 status_bits = null_seen \| type_unknown,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	762 type_klass_mask = ~status_bits
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	763 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	764
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	765 // what to initialize a cell to
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	766 static intptr_t type_none() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	767 return 0;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	768 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	769
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	770 // null seen = bit 0 set?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	771 static bool was_null_seen(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	772 return (v & null_seen) != 0;
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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	775 // conflicting type information = bit 1 set?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	776 static bool is_type_unknown(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	777 return (v & type_unknown) != 0;
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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	780 // not type information yet = all bits cleared, ignoring bit 0?
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	781 static bool is_type_none(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	782 return (v & type_mask) == 0;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	783 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	784
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	785 // recorded type: cell without bit 0 and 1
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	786 static intptr_t klass_part(intptr_t v) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	787 intptr_t r = v & type_klass_mask;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	788 return r;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	789 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	790
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	791 // type recorded
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	792 static Klass* valid_klass(intptr_t k) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	793 if (!is_type_none(k) &&
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	794 !is_type_unknown(k)) {
13080 6e1826d5c23e 8027572: assert(r != 0) failed: invalid roland parents: 12962 diff changeset	795 Klass* res = (Klass*)klass_part(k);
6e1826d5c23e 8027572: assert(r != 0) failed: invalid roland parents: 12962 diff changeset	796 assert(res != NULL, "invalid");
6e1826d5c23e 8027572: assert(r != 0) failed: invalid roland parents: 12962 diff changeset	797 return res;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	798 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	799 return NULL;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	800 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	801 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	802
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	803 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	804 return k \| (in & status_bits);
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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	807 static intptr_t with_status(Klass* k, intptr_t in) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	808 return with_status((intptr_t)k, in);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	809 }
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 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	812 static void print_klass(outputStream* st, intptr_t k);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	813 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	814
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	815 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	816 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	817
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	818 protected:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	819 // ProfileData object these entries are part of
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	820 ProfileData* _pd;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	821 // offset within the ProfileData object where the entries start
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	822 const int _base_off;
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 TypeEntries(int base_off)
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	825 : _base_off(base_off), _pd(NULL) {}
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	826
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	827 void set_intptr_at(int index, intptr_t value) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	828 _pd->set_intptr_at(index, value);
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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	831 intptr_t intptr_at(int index) const {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	832 return _pd->intptr_at(index);
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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	835 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	836 void set_profile_data(ProfileData* pd) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	837 _pd = pd;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	838 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	839 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	840
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	841 // 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	842 // 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	843 // TypeEntries and one initialized with the stack slot where the
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	844 // 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	845 // it quickly.
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	846 class TypeStackSlotEntries : public TypeEntries {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	847
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	848 private:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	849 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	850 stack_slot_entry,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	851 type_entry,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	852 per_arg_cell_count
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	853 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	854
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	855 // 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	856 int stack_slot_offset(int i) const {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	857 return _base_off + stack_slot_local_offset(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	858 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	859
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	860 protected:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	861 const int _number_of_entries;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	862
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	863 // 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	864 int type_offset(int i) const {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	865 return _base_off + type_local_offset(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	866 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	867
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	868 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	869
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	870 TypeStackSlotEntries(int base_off, int nb_entries)
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	871 : TypeEntries(base_off), _number_of_entries(nb_entries) {}
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	872
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	873 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	874
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	875 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	876
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	877 // 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	878 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	879 return i * per_arg_cell_count + stack_slot_entry;
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	880 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	881
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	882 // 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	883 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	884 return i * per_arg_cell_count + type_entry;
12875 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
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	887 // stack slot for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	888 uint stack_slot(int i) const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	889 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	890 return _pd->uint_at(stack_slot_offset(i));
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	891 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	892
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	893 // set stack slot for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	894 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	895 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	896 _pd->set_uint_at(stack_slot_offset(i), num);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	897 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	898
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	899 // type for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	900 intptr_t type(int i) const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	901 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	902 return _pd->intptr_at(type_offset(i));
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	903 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	904
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	905 // set type for entry i
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	906 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	907 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	908 _pd->set_intptr_at(type_offset(i), k);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	909 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	910
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	911 static ByteSize per_arg_size() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	912 return in_ByteSize(per_arg_cell_count * DataLayout::cell_size);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	913 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	914
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	915 static int per_arg_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	916 return per_arg_cell_count ;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	917 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	918
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	919 // GC support
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	920 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	921
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	922 #ifndef PRODUCT
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	923 void print_data_on(outputStream* st) const;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	924 #endif
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	925 };
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	926
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	927 // 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	928 // type.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	929 class ReturnTypeEntry : public TypeEntries {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	930
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	931 private:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	932 enum {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	933 cell_count = 1
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	934 };
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	935
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	936 public:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	937 ReturnTypeEntry(int base_off)
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	938 : TypeEntries(base_off) {}
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	939
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	940 void post_initialize() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	941 set_type(type_none());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	942 }
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 intptr_t type() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	945 return _pd->intptr_at(_base_off);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	946 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	947
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	948 void set_type(intptr_t k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	949 _pd->set_intptr_at(_base_off, k);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	950 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	951
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	952 static int static_cell_count() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	953 return cell_count;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	954 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	955
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	956 static ByteSize size() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	957 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	958 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	959
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	960 ByteSize type_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	961 return DataLayout::cell_offset(_base_off);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	962 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	963
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	964 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	965 void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	966
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	967 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	968 void print_data_on(outputStream* st) const;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	969 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	970 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	971
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	972 // 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	973 // (TypeStackSlotEntries), a return type (ReturnTypeEntry) and a
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	974 // 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	975 // 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	976 // 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	977 // 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	978 // has_return().
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	979 class TypeEntriesAtCall {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	980 private:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	981 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	982 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	983 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	984
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	985 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	986 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	987 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	988
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	989 public:
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	990
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	991 static int header_cell_count() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	992 return 1;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	993 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	994
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	995 static int cell_count_local_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	996 return 0;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	997 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	998
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	999 static int compute_cell_count(BytecodeStream* stream);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1000
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1001 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	1002 int off = base + cell_count_local_offset();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1003 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	1004 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1005
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1006 static bool arguments_profiling_enabled();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1007 static bool return_profiling_enabled();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1008
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1009 // Code generation support
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1010 static ByteSize cell_count_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1011 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	1012 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1013
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1014 static ByteSize args_data_offset() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1015 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	1016 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1017
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1018 static ByteSize stack_slot_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1019 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	1020 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1021
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1022 static ByteSize argument_type_offset(int i) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1023 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	1024 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1025 };
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1026
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1027 // CallTypeData
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1028 //
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1029 // 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	1030 // 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	1031 // and return value.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1032 class CallTypeData : public CounterData {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1033 private:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1034 // entries for arguments if any
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1035 TypeStackSlotEntries _args;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1036 // entry for return type if any
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1037 ReturnTypeEntry _ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1038
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1039 int cell_count_global_offset() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1040 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	1041 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1042
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1043 // number of cells not counting the header
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1044 int cell_count_no_header() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1045 return uint_at(cell_count_global_offset());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1046 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1047
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1048 void check_number_of_arguments(int total) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1049 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	1050 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1051
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1052 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1053 CallTypeData(DataLayout* layout) :
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1054 CounterData(layout),
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1055 _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	1056 _ret(cell_count() - ReturnTypeEntry::static_cell_count())
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1057 {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1058 assert(layout->tag() == DataLayout::call_type_data_tag, "wrong type");
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1059 // 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	1060 _args.set_profile_data(this);
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1061 _ret.set_profile_data(this);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1062 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1063
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1064 const TypeStackSlotEntries* args() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1065 assert(has_arguments(), "no profiling of arguments");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1066 return &_args;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1067 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1068
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1069 const ReturnTypeEntry* ret() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1070 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	1071 return &_ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1072 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1073
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1074 virtual bool is_CallTypeData() const { return true; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1075
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1076 static int static_cell_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1077 return -1;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1078 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1079
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1080 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	1081 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	1082 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1083
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1084 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	1085 TypeEntriesAtCall::initialize(dl, CounterData::static_cell_count(), cell_count);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1086 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1087
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1088 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	1089
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1090 virtual int cell_count() const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1091 return CounterData::static_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1092 TypeEntriesAtCall::header_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1093 int_at_unchecked(cell_count_global_offset());
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1094 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1095
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1096 int number_of_arguments() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1097 return cell_count_no_header() / TypeStackSlotEntries::per_arg_count();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1098 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1099
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1100 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	1101 assert(has_arguments(), "no arguments!");
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1102 intptr_t current = _args.type(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1103 _args.set_type(i, TypeEntries::with_status(k, current));
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1104 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1105
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1106 void set_return_type(Klass* k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1107 assert(has_return(), "no return!");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1108 intptr_t current = _ret.type();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1109 _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	1110 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1111
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1112 // 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	1113 // 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	1114 // needed for an argument, this object contains type information for
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1115 // at least one argument.
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1116 bool has_arguments() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1117 bool res = cell_count_no_header() >= TypeStackSlotEntries::per_arg_count();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1118 assert (!res \|\| TypeEntriesAtCall::arguments_profiling_enabled(), "no profiling of arguments");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1119 return res;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1120 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1121
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1122 // 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	1123 // 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	1124 // 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	1125 // is profiled in this object.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1126 bool has_return() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1127 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	1128 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	1129 return res;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1130 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1131
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1132 // Code generation support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1133 static ByteSize args_data_offset() {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1134 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	1135 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1136
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1137 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1138 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	1139 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1140 _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	1141 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1142 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1143 _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	1144 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1145 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1146
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1147 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1148 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1149 #endif
a61af66fc99e Initial load duke parents: diff changeset	1150 };
a61af66fc99e Initial load duke parents: diff changeset	1151
a61af66fc99e Initial load duke parents: diff changeset	1152 // ReceiverTypeData
a61af66fc99e Initial load duke parents: diff changeset	1153 //
a61af66fc99e Initial load duke parents: diff changeset	1154 // A ReceiverTypeData is used to access profiling information about a
a61af66fc99e Initial load duke parents: diff changeset	1155 // 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	1156 // that the check is reached, and a series of (Klass*, count) pairs
0 a61af66fc99e Initial load duke parents: diff changeset	1157 // which are used to store a type profile for the receiver of the check.
a61af66fc99e Initial load duke parents: diff changeset	1158 class ReceiverTypeData : public CounterData {
a61af66fc99e Initial load duke parents: diff changeset	1159 protected:
a61af66fc99e Initial load duke parents: diff changeset	1160 enum {
a61af66fc99e Initial load duke parents: diff changeset	1161 receiver0_offset = counter_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1162 count0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1163 receiver_type_row_cell_count = (count0_offset + 1) - receiver0_offset
a61af66fc99e Initial load duke parents: diff changeset	1164 };
a61af66fc99e Initial load duke parents: diff changeset	1165
a61af66fc99e Initial load duke parents: diff changeset	1166 public:
a61af66fc99e Initial load duke parents: diff changeset	1167 ReceiverTypeData(DataLayout* layout) : CounterData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1168 assert(layout->tag() == DataLayout::receiver_type_data_tag \|\|
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1169 layout->tag() == DataLayout::virtual_call_data_tag \|\|
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1170 layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1171 }
a61af66fc99e Initial load duke parents: diff changeset	1172
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1173 virtual bool is_ReceiverTypeData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1174
a61af66fc99e Initial load duke parents: diff changeset	1175 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1176 return counter_cell_count + (uint) TypeProfileWidth * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1177 }
a61af66fc99e Initial load duke parents: diff changeset	1178
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1179 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1180 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1181 }
a61af66fc99e Initial load duke parents: diff changeset	1182
a61af66fc99e Initial load duke parents: diff changeset	1183 // Direct accessors
a61af66fc99e Initial load duke parents: diff changeset	1184 static uint row_limit() {
a61af66fc99e Initial load duke parents: diff changeset	1185 return TypeProfileWidth;
a61af66fc99e Initial load duke parents: diff changeset	1186 }
a61af66fc99e Initial load duke parents: diff changeset	1187 static int receiver_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1188 return receiver0_offset + row * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1189 }
a61af66fc99e Initial load duke parents: diff changeset	1190 static int receiver_count_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1191 return count0_offset + row * receiver_type_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1192 }
a61af66fc99e Initial load duke parents: diff changeset	1193
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1194 Klass* receiver(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1195 assert(row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1196
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1197 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	1198 assert(recv == NULL \|\| recv->is_klass(), "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1199 return recv;
a61af66fc99e Initial load duke parents: diff changeset	1200 }
a61af66fc99e Initial load duke parents: diff changeset	1201
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1202 void set_receiver(uint row, Klass* k) {
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1203 assert((uint)row < row_limit(), "oob");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1204 set_intptr_at(receiver_cell_index(row), (uintptr_t)k);
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1205 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1206
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1207 uint receiver_count(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1208 assert(row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1209 return uint_at(receiver_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1210 }
a61af66fc99e Initial load duke parents: diff changeset	1211
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1212 void set_receiver_count(uint row, uint count) {
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1213 assert(row < row_limit(), "oob");
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1214 set_uint_at(receiver_count_cell_index(row), count);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1215 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1216
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1217 void clear_row(uint row) {
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1218 assert(row < row_limit(), "oob");
1251 576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1219 // Clear total count - indicator of polymorphic call site.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1220 // 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	1221 // 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	1222 // 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	1223 // 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	1224 // 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	1225 // 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	1226 // 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	1227 // 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	1228 // with updated MDO after executing method in Interpreter.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1229 // 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	1230 // during next call execution.
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1231 //
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1232 // 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	1233 // 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	1234 //
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic") kvn parents: 1206 diff changeset	1235 set_count(0);
941 8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1236 set_receiver(row, NULL);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1237 set_receiver_count(row, 0);
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1238 }
8b46c4d82093 4957990: Perm heap bloat in JVM ysr parents: 196 diff changeset	1239
0 a61af66fc99e Initial load duke parents: diff changeset	1240 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1241 static ByteSize receiver_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1242 return cell_offset(receiver_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1243 }
a61af66fc99e Initial load duke parents: diff changeset	1244 static ByteSize receiver_count_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1245 return cell_offset(receiver_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1246 }
a61af66fc99e Initial load duke parents: diff changeset	1247 static ByteSize receiver_type_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1248 return cell_offset(static_cell_count());
a61af66fc99e Initial load duke parents: diff changeset	1249 }
a61af66fc99e Initial load duke parents: diff changeset	1250
a61af66fc99e Initial load duke parents: diff changeset	1251 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1252 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
0 a61af66fc99e Initial load duke parents: diff changeset	1253
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1254 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1255 static int receiver_type_data_size_in_bytes() {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1256 return cell_offset_in_bytes(static_cell_count());
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1257 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1258
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1259 static Klass receiver_unchecked(DataLayout layout, uint row) {
14433 018b357638aa 8028514: PPC64: Fix C++ Interpreter after '7195622: CheckUnhandledOops has limited usefulness now' simonis parents: 14422 diff changeset	1260 Klass* recv = (Klass*)layout->cell_at(receiver_cell_index(row));
018b357638aa 8028514: PPC64: Fix C++ Interpreter after '7195622: CheckUnhandledOops has limited usefulness now' simonis parents: 14422 diff changeset	1261 return recv;
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1262 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1263
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1264 static void increment_receiver_count_no_overflow(DataLayout* layout, Klass *rcvr) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1265 const int num_rows = row_limit();
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1266 // Receiver already exists?
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1267 for (int row = 0; row < num_rows; row++) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1268 if (receiver_unchecked(layout, row) == rcvr) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1269 increment_uint_at_no_overflow(layout, receiver_count_cell_index(row));
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1270 return;
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1271 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1272 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1273 // New receiver, find a free slot.
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1274 for (int row = 0; row < num_rows; row++) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1275 if (receiver_unchecked(layout, row) == NULL) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1276 set_intptr_at(layout, receiver_cell_index(row), (intptr_t)rcvr);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1277 increment_uint_at_no_overflow(layout, receiver_count_cell_index(row));
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1278 return;
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1279 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1280 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1281 // Receiver did not match any saved receiver and there is no empty row for it.
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1282 // Increment total counter to indicate polymorphic case.
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1283 increment_count_no_overflow(layout);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1284 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1285
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1286 static DataLayout* advance(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1287 return (DataLayout*) (((address)layout) + (ssize_t)ReceiverTypeData::receiver_type_data_size_in_bytes());
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1288 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1289 #endif // CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1290
0 a61af66fc99e Initial load duke parents: diff changeset	1291 #ifndef PRODUCT
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1292 void print_receiver_data_on(outputStream* st) const;
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1293 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1294 #endif
a61af66fc99e Initial load duke parents: diff changeset	1295 };
a61af66fc99e Initial load duke parents: diff changeset	1296
a61af66fc99e Initial load duke parents: diff changeset	1297 // VirtualCallData
a61af66fc99e Initial load duke parents: diff changeset	1298 //
a61af66fc99e Initial load duke parents: diff changeset	1299 // A VirtualCallData is used to access profiling information about a
a61af66fc99e Initial load duke parents: diff changeset	1300 // virtual call. For now, it has nothing more than a ReceiverTypeData.
a61af66fc99e Initial load duke parents: diff changeset	1301 class VirtualCallData : public ReceiverTypeData {
a61af66fc99e Initial load duke parents: diff changeset	1302 public:
a61af66fc99e Initial load duke parents: diff changeset	1303 VirtualCallData(DataLayout* layout) : ReceiverTypeData(layout) {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1304 assert(layout->tag() == DataLayout::virtual_call_data_tag \|\|
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1305 layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
0 a61af66fc99e Initial load duke parents: diff changeset	1306 }
a61af66fc99e Initial load duke parents: diff changeset	1307
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1308 virtual bool is_VirtualCallData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1309
a61af66fc99e Initial load duke parents: diff changeset	1310 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1311 // At this point we could add more profile state, e.g., for arguments.
a61af66fc99e Initial load duke parents: diff changeset	1312 // But for now it's the same size as the base record type.
a61af66fc99e Initial load duke parents: diff changeset	1313 return ReceiverTypeData::static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1314 }
a61af66fc99e Initial load duke parents: diff changeset	1315
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1316 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1317 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1318 }
a61af66fc99e Initial load duke parents: diff changeset	1319
a61af66fc99e Initial load duke parents: diff changeset	1320 // Direct accessors
a61af66fc99e Initial load duke parents: diff changeset	1321 static ByteSize virtual_call_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1322 return cell_offset(static_cell_count());
a61af66fc99e Initial load duke parents: diff changeset	1323 }
a61af66fc99e Initial load duke parents: diff changeset	1324
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1325 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1326 static int virtual_call_data_size_in_bytes() {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1327 return cell_offset_in_bytes(static_cell_count());
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1328 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1329
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1330 static DataLayout* advance(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1331 return (DataLayout*) (((address)layout) + (ssize_t)VirtualCallData::virtual_call_data_size_in_bytes());
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1332 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1333 #endif // CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1334
0 a61af66fc99e Initial load duke parents: diff changeset	1335 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1336 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	1337 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1338 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1339
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1340 // VirtualCallTypeData
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1341 //
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1342 // A VirtualCallTypeData is used to access profiling information about
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1343 // 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	1344 // arguments and return value.
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1345 class VirtualCallTypeData : public VirtualCallData {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1346 private:
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1347 // entries for arguments if any
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1348 TypeStackSlotEntries _args;
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1349 // entry for return type if any
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1350 ReturnTypeEntry _ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1351
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1352 int cell_count_global_offset() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1353 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	1354 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1355
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1356 // number of cells not counting the header
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1357 int cell_count_no_header() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1358 return uint_at(cell_count_global_offset());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1359 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1360
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1361 void check_number_of_arguments(int total) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1362 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	1363 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1364
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1365 public:
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1366 VirtualCallTypeData(DataLayout* layout) :
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1367 VirtualCallData(layout),
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1368 _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	1369 _ret(cell_count() - ReturnTypeEntry::static_cell_count())
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1370 {
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1371 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	1372 // 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	1373 _args.set_profile_data(this);
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1374 _ret.set_profile_data(this);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1375 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1376
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1377 const TypeStackSlotEntries* args() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1378 assert(has_arguments(), "no profiling of arguments");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1379 return &_args;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1380 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1381
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1382 const ReturnTypeEntry* ret() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1383 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	1384 return &_ret;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1385 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1386
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1387 virtual bool is_VirtualCallTypeData() const { return true; }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1388
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1389 static int static_cell_count() {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1390 return -1;
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1391 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1392
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1393 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	1394 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	1395 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1396
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1397 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	1398 TypeEntriesAtCall::initialize(dl, VirtualCallData::static_cell_count(), cell_count);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1399 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1400
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1401 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	1402
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1403 virtual int cell_count() const {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1404 return VirtualCallData::static_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1405 TypeEntriesAtCall::header_cell_count() +
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1406 int_at_unchecked(cell_count_global_offset());
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1407 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1408
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1409 int number_of_arguments() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1410 return cell_count_no_header() / TypeStackSlotEntries::per_arg_count();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1411 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1412
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1413 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	1414 assert(has_arguments(), "no arguments!");
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1415 intptr_t current = _args.type(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1416 _args.set_type(i, TypeEntries::with_status(k, current));
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1417 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1418
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1419 void set_return_type(Klass* k) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1420 assert(has_return(), "no return!");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1421 intptr_t current = _ret.type();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1422 _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	1423 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1424
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1425 // 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	1426 // 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	1427 // 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	1428 // is profiled in this object.
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1429 bool has_return() const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1430 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	1431 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	1432 return res;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1433 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1434
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1435 // 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	1436 // 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	1437 // needed for an argument, this object contains type information for
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1438 // at least one argument.
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1439 bool has_arguments() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1440 bool res = cell_count_no_header() >= TypeStackSlotEntries::per_arg_count();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1441 assert (!res \|\| TypeEntriesAtCall::arguments_profiling_enabled(), "no profiling of arguments");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1442 return res;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1443 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1444
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1445 // Code generation support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1446 static ByteSize args_data_offset() {
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1447 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	1448 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1449
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1450 // GC support
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1451 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1452 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	1453 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1454 _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	1455 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1456 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	1457 _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	1458 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1459 }
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1460
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1461 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1462 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1463 #endif
a61af66fc99e Initial load duke parents: diff changeset	1464 };
a61af66fc99e Initial load duke parents: diff changeset	1465
a61af66fc99e Initial load duke parents: diff changeset	1466 // RetData
a61af66fc99e Initial load duke parents: diff changeset	1467 //
a61af66fc99e Initial load duke parents: diff changeset	1468 // A RetData is used to access profiling information for a ret bytecode.
a61af66fc99e Initial load duke parents: diff changeset	1469 // It is composed of a count of the number of times that the ret has
a61af66fc99e Initial load duke parents: diff changeset	1470 // been executed, followed by a series of triples of the form
a61af66fc99e Initial load duke parents: diff changeset	1471 // (bci, count, di) which count the number of times that some bci was the
a61af66fc99e Initial load duke parents: diff changeset	1472 // target of the ret and cache a corresponding data displacement.
a61af66fc99e Initial load duke parents: diff changeset	1473 class RetData : public CounterData {
a61af66fc99e Initial load duke parents: diff changeset	1474 protected:
a61af66fc99e Initial load duke parents: diff changeset	1475 enum {
a61af66fc99e Initial load duke parents: diff changeset	1476 bci0_offset = counter_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1477 count0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1478 displacement0_offset,
a61af66fc99e Initial load duke parents: diff changeset	1479 ret_row_cell_count = (displacement0_offset + 1) - bci0_offset
a61af66fc99e Initial load duke parents: diff changeset	1480 };
a61af66fc99e Initial load duke parents: diff changeset	1481
a61af66fc99e Initial load duke parents: diff changeset	1482 void set_bci(uint row, int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1483 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1484 set_int_at(bci0_offset + row * ret_row_cell_count, bci);
a61af66fc99e Initial load duke parents: diff changeset	1485 }
a61af66fc99e Initial load duke parents: diff changeset	1486 void release_set_bci(uint row, int bci) {
a61af66fc99e Initial load duke parents: diff changeset	1487 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1488 // 'release' when setting the bci acts as a valid flag for other
a61af66fc99e Initial load duke parents: diff changeset	1489 // threads wrt bci_count and bci_displacement.
a61af66fc99e Initial load duke parents: diff changeset	1490 release_set_int_at(bci0_offset + row * ret_row_cell_count, bci);
a61af66fc99e Initial load duke parents: diff changeset	1491 }
a61af66fc99e Initial load duke parents: diff changeset	1492 void set_bci_count(uint row, uint count) {
a61af66fc99e Initial load duke parents: diff changeset	1493 assert((uint)row < row_limit(), "oob");
a61af66fc99e Initial load duke parents: diff changeset	1494 set_uint_at(count0_offset + row * ret_row_cell_count, count);
a61af66fc99e Initial load duke parents: diff changeset	1495 }
a61af66fc99e Initial load duke parents: diff changeset	1496 void set_bci_displacement(uint row, int disp) {
a61af66fc99e Initial load duke parents: diff changeset	1497 set_int_at(displacement0_offset + row * ret_row_cell_count, disp);
a61af66fc99e Initial load duke parents: diff changeset	1498 }
a61af66fc99e Initial load duke parents: diff changeset	1499
a61af66fc99e Initial load duke parents: diff changeset	1500 public:
a61af66fc99e Initial load duke parents: diff changeset	1501 RetData(DataLayout* layout) : CounterData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1502 assert(layout->tag() == DataLayout::ret_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1503 }
a61af66fc99e Initial load duke parents: diff changeset	1504
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1505 virtual bool is_RetData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1506
a61af66fc99e Initial load duke parents: diff changeset	1507 enum {
a61af66fc99e Initial load duke parents: diff changeset	1508 no_bci = -1 // value of bci when bci1/2 are not in use.
a61af66fc99e Initial load duke parents: diff changeset	1509 };
a61af66fc99e Initial load duke parents: diff changeset	1510
a61af66fc99e Initial load duke parents: diff changeset	1511 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1512 return counter_cell_count + (uint) BciProfileWidth * ret_row_cell_count;
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 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1516 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1517 }
a61af66fc99e Initial load duke parents: diff changeset	1518
a61af66fc99e Initial load duke parents: diff changeset	1519 static uint row_limit() {
a61af66fc99e Initial load duke parents: diff changeset	1520 return BciProfileWidth;
a61af66fc99e Initial load duke parents: diff changeset	1521 }
a61af66fc99e Initial load duke parents: diff changeset	1522 static int bci_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1523 return bci0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1524 }
a61af66fc99e Initial load duke parents: diff changeset	1525 static int bci_count_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1526 return count0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1527 }
a61af66fc99e Initial load duke parents: diff changeset	1528 static int bci_displacement_cell_index(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1529 return displacement0_offset + row * ret_row_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1530 }
a61af66fc99e Initial load duke parents: diff changeset	1531
a61af66fc99e Initial load duke parents: diff changeset	1532 // Direct accessors
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1533 int bci(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1534 return int_at(bci_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1535 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1536 uint bci_count(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1537 return uint_at(bci_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1538 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1539 int bci_displacement(uint row) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1540 return int_at(bci_displacement_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1541 }
a61af66fc99e Initial load duke parents: diff changeset	1542
a61af66fc99e Initial load duke parents: diff changeset	1543 // Interpreter Runtime support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1544 address fixup_ret(int return_bci, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1545
a61af66fc99e Initial load duke parents: diff changeset	1546 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1547 static ByteSize bci_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1548 return cell_offset(bci_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1549 }
a61af66fc99e Initial load duke parents: diff changeset	1550 static ByteSize bci_count_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1551 return cell_offset(bci_count_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1552 }
a61af66fc99e Initial load duke parents: diff changeset	1553 static ByteSize bci_displacement_offset(uint row) {
a61af66fc99e Initial load duke parents: diff changeset	1554 return cell_offset(bci_displacement_cell_index(row));
a61af66fc99e Initial load duke parents: diff changeset	1555 }
a61af66fc99e Initial load duke parents: diff changeset	1556
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1557 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1558 static DataLayout* advance(MethodData *md, int bci);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1559 #endif // CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1560
0 a61af66fc99e Initial load duke parents: diff changeset	1561 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1562 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1563
a61af66fc99e Initial load duke parents: diff changeset	1564 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1565 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1566 #endif
a61af66fc99e Initial load duke parents: diff changeset	1567 };
a61af66fc99e Initial load duke parents: diff changeset	1568
a61af66fc99e Initial load duke parents: diff changeset	1569 // BranchData
a61af66fc99e Initial load duke parents: diff changeset	1570 //
a61af66fc99e Initial load duke parents: diff changeset	1571 // A BranchData is used to access profiling data for a two-way branch.
a61af66fc99e Initial load duke parents: diff changeset	1572 // It consists of taken and not_taken counts as well as a data displacement
a61af66fc99e Initial load duke parents: diff changeset	1573 // for the taken case.
a61af66fc99e Initial load duke parents: diff changeset	1574 class BranchData : public JumpData {
a61af66fc99e Initial load duke parents: diff changeset	1575 protected:
a61af66fc99e Initial load duke parents: diff changeset	1576 enum {
a61af66fc99e Initial load duke parents: diff changeset	1577 not_taken_off_set = jump_cell_count,
a61af66fc99e Initial load duke parents: diff changeset	1578 branch_cell_count
a61af66fc99e Initial load duke parents: diff changeset	1579 };
a61af66fc99e Initial load duke parents: diff changeset	1580
a61af66fc99e Initial load duke parents: diff changeset	1581 void set_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1582 set_int_at(displacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	1583 }
a61af66fc99e Initial load duke parents: diff changeset	1584
a61af66fc99e Initial load duke parents: diff changeset	1585 public:
a61af66fc99e Initial load duke parents: diff changeset	1586 BranchData(DataLayout* layout) : JumpData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1587 assert(layout->tag() == DataLayout::branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1588 }
a61af66fc99e Initial load duke parents: diff changeset	1589
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1590 virtual bool is_BranchData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1591
a61af66fc99e Initial load duke parents: diff changeset	1592 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1593 return branch_cell_count;
a61af66fc99e Initial load duke parents: diff changeset	1594 }
a61af66fc99e Initial load duke parents: diff changeset	1595
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1596 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1597 return static_cell_count();
a61af66fc99e Initial load duke parents: diff changeset	1598 }
a61af66fc99e Initial load duke parents: diff changeset	1599
a61af66fc99e Initial load duke parents: diff changeset	1600 // Direct accessor
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1601 uint not_taken() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1602 return uint_at(not_taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1603 }
a61af66fc99e Initial load duke parents: diff changeset	1604
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1605 void set_not_taken(uint cnt) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1606 set_uint_at(not_taken_off_set, cnt);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1607 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3345 diff changeset	1608
0 a61af66fc99e Initial load duke parents: diff changeset	1609 uint inc_not_taken() {
a61af66fc99e Initial load duke parents: diff changeset	1610 uint cnt = not_taken() + 1;
a61af66fc99e Initial load duke parents: diff changeset	1611 // Did we wrap? Will compiler screw us??
a61af66fc99e Initial load duke parents: diff changeset	1612 if (cnt == 0) cnt--;
a61af66fc99e Initial load duke parents: diff changeset	1613 set_uint_at(not_taken_off_set, cnt);
a61af66fc99e Initial load duke parents: diff changeset	1614 return cnt;
a61af66fc99e Initial load duke parents: diff changeset	1615 }
a61af66fc99e Initial load duke parents: diff changeset	1616
a61af66fc99e Initial load duke parents: diff changeset	1617 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1618 static ByteSize not_taken_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1619 return cell_offset(not_taken_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1620 }
a61af66fc99e Initial load duke parents: diff changeset	1621 static ByteSize branch_data_size() {
a61af66fc99e Initial load duke parents: diff changeset	1622 return cell_offset(branch_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	1623 }
a61af66fc99e Initial load duke parents: diff changeset	1624
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1625 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1626 static int branch_data_size_in_bytes() {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1627 return cell_offset_in_bytes(branch_cell_count);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1628 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1629
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1630 static void increment_not_taken_count_no_overflow(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1631 increment_uint_at_no_overflow(layout, not_taken_off_set);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1632 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1633
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1634 static DataLayout* advance_not_taken(DataLayout* layout) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1635 return (DataLayout*) (((address)layout) + (ssize_t)BranchData::branch_data_size_in_bytes());
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1636 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1637 #endif // CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1638
0 a61af66fc99e Initial load duke parents: diff changeset	1639 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1640 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1641
a61af66fc99e Initial load duke parents: diff changeset	1642 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1643 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1644 #endif
a61af66fc99e Initial load duke parents: diff changeset	1645 };
a61af66fc99e Initial load duke parents: diff changeset	1646
a61af66fc99e Initial load duke parents: diff changeset	1647 // ArrayData
a61af66fc99e Initial load duke parents: diff changeset	1648 //
a61af66fc99e Initial load duke parents: diff changeset	1649 // A ArrayData is a base class for accessing profiling data which does
a61af66fc99e Initial load duke parents: diff changeset	1650 // not have a statically known size. It consists of an array length
a61af66fc99e Initial load duke parents: diff changeset	1651 // and an array start.
a61af66fc99e Initial load duke parents: diff changeset	1652 class ArrayData : public ProfileData {
a61af66fc99e Initial load duke parents: diff changeset	1653 protected:
a61af66fc99e Initial load duke parents: diff changeset	1654 friend class DataLayout;
a61af66fc99e Initial load duke parents: diff changeset	1655
a61af66fc99e Initial load duke parents: diff changeset	1656 enum {
a61af66fc99e Initial load duke parents: diff changeset	1657 array_len_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1658 array_start_off_set
a61af66fc99e Initial load duke parents: diff changeset	1659 };
a61af66fc99e Initial load duke parents: diff changeset	1660
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1661 uint array_uint_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1662 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1663 return uint_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1664 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1665 int array_int_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1666 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1667 return int_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1668 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1669 oop array_oop_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1670 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1671 return oop_at(aindex);
a61af66fc99e Initial load duke parents: diff changeset	1672 }
a61af66fc99e Initial load duke parents: diff changeset	1673 void array_set_int_at(int index, int value) {
a61af66fc99e Initial load duke parents: diff changeset	1674 int aindex = index + array_start_off_set;
a61af66fc99e Initial load duke parents: diff changeset	1675 set_int_at(aindex, value);
a61af66fc99e Initial load duke parents: diff changeset	1676 }
a61af66fc99e Initial load duke parents: diff changeset	1677
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1678 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1679 // Static low level accessors for DataLayout with ArrayData's semantics.
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1680
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1681 static void increment_array_uint_at_no_overflow(DataLayout* layout, int index) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1682 int aindex = index + array_start_off_set;
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1683 increment_uint_at_no_overflow(layout, aindex);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1684 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1685
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1686 static int array_int_at(DataLayout* layout, int index) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1687 int aindex = index + array_start_off_set;
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1688 return int_at(layout, aindex);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1689 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1690 #endif // CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1691
0 a61af66fc99e Initial load duke parents: diff changeset	1692 // Code generation support for subclasses.
a61af66fc99e Initial load duke parents: diff changeset	1693 static ByteSize array_element_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	1694 return cell_offset(array_start_off_set + index);
a61af66fc99e Initial load duke parents: diff changeset	1695 }
a61af66fc99e Initial load duke parents: diff changeset	1696
a61af66fc99e Initial load duke parents: diff changeset	1697 public:
a61af66fc99e Initial load duke parents: diff changeset	1698 ArrayData(DataLayout* layout) : ProfileData(layout) {}
a61af66fc99e Initial load duke parents: diff changeset	1699
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1700 virtual bool is_ArrayData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1701
a61af66fc99e Initial load duke parents: diff changeset	1702 static int static_cell_count() {
a61af66fc99e Initial load duke parents: diff changeset	1703 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1704 }
a61af66fc99e Initial load duke parents: diff changeset	1705
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1706 int array_len() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1707 return int_at_unchecked(array_len_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1708 }
a61af66fc99e Initial load duke parents: diff changeset	1709
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1710 virtual int cell_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1711 return array_len() + 1;
a61af66fc99e Initial load duke parents: diff changeset	1712 }
a61af66fc99e Initial load duke parents: diff changeset	1713
a61af66fc99e Initial load duke parents: diff changeset	1714 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1715 static ByteSize array_len_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1716 return cell_offset(array_len_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1717 }
a61af66fc99e Initial load duke parents: diff changeset	1718 static ByteSize array_start_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1719 return cell_offset(array_start_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1720 }
a61af66fc99e Initial load duke parents: diff changeset	1721 };
a61af66fc99e Initial load duke parents: diff changeset	1722
a61af66fc99e Initial load duke parents: diff changeset	1723 // MultiBranchData
a61af66fc99e Initial load duke parents: diff changeset	1724 //
a61af66fc99e Initial load duke parents: diff changeset	1725 // A MultiBranchData is used to access profiling information for
a61af66fc99e Initial load duke parents: diff changeset	1726 // a multi-way branch (*switch bytecodes). It consists of a series
a61af66fc99e Initial load duke parents: diff changeset	1727 // of (count, displacement) pairs, which count the number of times each
a61af66fc99e Initial load duke parents: diff changeset	1728 // case was taken and specify the data displacment for each branch target.
a61af66fc99e Initial load duke parents: diff changeset	1729 class MultiBranchData : public ArrayData {
a61af66fc99e Initial load duke parents: diff changeset	1730 protected:
a61af66fc99e Initial load duke parents: diff changeset	1731 enum {
a61af66fc99e Initial load duke parents: diff changeset	1732 default_count_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1733 default_disaplacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1734 case_array_start
a61af66fc99e Initial load duke parents: diff changeset	1735 };
a61af66fc99e Initial load duke parents: diff changeset	1736 enum {
a61af66fc99e Initial load duke parents: diff changeset	1737 relative_count_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1738 relative_displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1739 per_case_cell_count
a61af66fc99e Initial load duke parents: diff changeset	1740 };
a61af66fc99e Initial load duke parents: diff changeset	1741
a61af66fc99e Initial load duke parents: diff changeset	1742 void set_default_displacement(int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1743 array_set_int_at(default_disaplacement_off_set, displacement);
a61af66fc99e Initial load duke parents: diff changeset	1744 }
a61af66fc99e Initial load duke parents: diff changeset	1745 void set_displacement_at(int index, int displacement) {
a61af66fc99e Initial load duke parents: diff changeset	1746 array_set_int_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1747 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1748 relative_displacement_off_set,
a61af66fc99e Initial load duke parents: diff changeset	1749 displacement);
a61af66fc99e Initial load duke parents: diff changeset	1750 }
a61af66fc99e Initial load duke parents: diff changeset	1751
a61af66fc99e Initial load duke parents: diff changeset	1752 public:
a61af66fc99e Initial load duke parents: diff changeset	1753 MultiBranchData(DataLayout* layout) : ArrayData(layout) {
a61af66fc99e Initial load duke parents: diff changeset	1754 assert(layout->tag() == DataLayout::multi_branch_data_tag, "wrong type");
a61af66fc99e Initial load duke parents: diff changeset	1755 }
a61af66fc99e Initial load duke parents: diff changeset	1756
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1757 virtual bool is_MultiBranchData() const { return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	1758
a61af66fc99e Initial load duke parents: diff changeset	1759 static int compute_cell_count(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	1760
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1761 int number_of_cases() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1762 int alen = array_len() - 2; // get rid of default case here.
a61af66fc99e Initial load duke parents: diff changeset	1763 assert(alen % per_case_cell_count == 0, "must be even");
a61af66fc99e Initial load duke parents: diff changeset	1764 return (alen / per_case_cell_count);
a61af66fc99e Initial load duke parents: diff changeset	1765 }
a61af66fc99e Initial load duke parents: diff changeset	1766
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1767 uint default_count() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1768 return array_uint_at(default_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1769 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1770 int default_displacement() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1771 return array_int_at(default_disaplacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1772 }
a61af66fc99e Initial load duke parents: diff changeset	1773
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1774 uint count_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1775 return array_uint_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1776 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1777 relative_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1778 }
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1779 int displacement_at(int index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1780 return array_int_at(case_array_start +
a61af66fc99e Initial load duke parents: diff changeset	1781 index * per_case_cell_count +
a61af66fc99e Initial load duke parents: diff changeset	1782 relative_displacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1783 }
a61af66fc99e Initial load duke parents: diff changeset	1784
a61af66fc99e Initial load duke parents: diff changeset	1785 // Code generation support
a61af66fc99e Initial load duke parents: diff changeset	1786 static ByteSize default_count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1787 return array_element_offset(default_count_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1788 }
a61af66fc99e Initial load duke parents: diff changeset	1789 static ByteSize default_displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1790 return array_element_offset(default_disaplacement_off_set);
a61af66fc99e Initial load duke parents: diff changeset	1791 }
a61af66fc99e Initial load duke parents: diff changeset	1792 static ByteSize case_count_offset(int index) {
a61af66fc99e Initial load duke parents: diff changeset	1793 return case_array_offset() +
a61af66fc99e Initial load duke parents: diff changeset	1794 (per_case_size() * index) +
a61af66fc99e Initial load duke parents: diff changeset	1795 relative_count_offset();
a61af66fc99e Initial load duke parents: diff changeset	1796 }
a61af66fc99e Initial load duke parents: diff changeset	1797 static ByteSize case_array_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1798 return array_element_offset(case_array_start);
a61af66fc99e Initial load duke parents: diff changeset	1799 }
a61af66fc99e Initial load duke parents: diff changeset	1800 static ByteSize per_case_size() {
a61af66fc99e Initial load duke parents: diff changeset	1801 return in_ByteSize(per_case_cell_count) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1802 }
a61af66fc99e Initial load duke parents: diff changeset	1803 static ByteSize relative_count_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1804 return in_ByteSize(relative_count_off_set) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1805 }
a61af66fc99e Initial load duke parents: diff changeset	1806 static ByteSize relative_displacement_offset() {
a61af66fc99e Initial load duke parents: diff changeset	1807 return in_ByteSize(relative_displacement_off_set) * cell_size;
a61af66fc99e Initial load duke parents: diff changeset	1808 }
a61af66fc99e Initial load duke parents: diff changeset	1809
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1810 #ifdef CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1811 static void increment_count_no_overflow(DataLayout* layout, int index) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1812 if (index == -1) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1813 increment_array_uint_at_no_overflow(layout, default_count_off_set);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1814 } else {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1815 increment_array_uint_at_no_overflow(layout, case_array_start +
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1816 index * per_case_cell_count +
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1817 relative_count_off_set);
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1818 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1819 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1820
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1821 static DataLayout* advance(DataLayout* layout, int index) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1822 if (index == -1) {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1823 return (DataLayout*) (((address)layout) + (ssize_t)array_int_at(layout, default_disaplacement_off_set));
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1824 } else {
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1825 return (DataLayout*) (((address)layout) + (ssize_t)array_int_at(layout, case_array_start +
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1826 index * per_case_cell_count +
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1827 relative_displacement_off_set));
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1828 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1829 }
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1830 #endif // CC_INTERP
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	1831
0 a61af66fc99e Initial load duke parents: diff changeset	1832 // Specific initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1833 void post_initialize(BytecodeStream* stream, MethodData* mdo);
0 a61af66fc99e Initial load duke parents: diff changeset	1834
a61af66fc99e Initial load duke parents: diff changeset	1835 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1836 void print_data_on(outputStream* st, const char* extra = NULL) const;
0 a61af66fc99e Initial load duke parents: diff changeset	1837 #endif
a61af66fc99e Initial load duke parents: diff changeset	1838 };
a61af66fc99e Initial load duke parents: diff changeset	1839
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1840 class ArgInfoData : public ArrayData {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1841
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1842 public:
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1843 ArgInfoData(DataLayout* layout) : ArrayData(layout) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1844 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	1845 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1846
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1847 virtual bool is_ArgInfoData() const { return true; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1848
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1849
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1850 int number_of_args() const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1851 return array_len();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1852 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1853
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	1854 uint arg_modified(int arg) const {
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1855 return array_uint_at(arg);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1856 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1857
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1858 void set_arg_modified(int arg, uint val) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1859 array_set_int_at(arg, val);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1860 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1861
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1862 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1863 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	1864 #endif
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1865 };
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	1866
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1867 // ParametersTypeData
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1868 //
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1869 // A ParametersTypeData is used to access profiling information about
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1870 // types of parameters to a method
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1871 class ParametersTypeData : public ArrayData {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1872
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1873 private:
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1874 TypeStackSlotEntries _parameters;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1875
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1876 static int stack_slot_local_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1877 assert_profiling_enabled();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1878 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	1879 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1880
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1881 static int type_local_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1882 assert_profiling_enabled();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1883 return array_start_off_set + TypeStackSlotEntries::type_local_offset(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1884 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1885
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1886 static bool profiling_enabled();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1887 static void assert_profiling_enabled() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1888 assert(profiling_enabled(), "method parameters profiling should be on");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1889 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1890
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1891 public:
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1892 ParametersTypeData(DataLayout* layout) : ArrayData(layout), _parameters(1, number_of_parameters()) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1893 assert(layout->tag() == DataLayout::parameters_type_data_tag, "wrong type");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1894 // 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	1895 _parameters.set_profile_data(this);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1896 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1897
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1898 static int compute_cell_count(Method* m);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1899
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1900 virtual bool is_ParametersTypeData() const { return true; }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1901
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1902 virtual void post_initialize(BytecodeStream* stream, MethodData* mdo);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1903
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1904 int number_of_parameters() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1905 return array_len() / TypeStackSlotEntries::per_arg_count();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1906 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1907
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1908 const TypeStackSlotEntries* parameters() const { return &_parameters; }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1909
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1910 uint stack_slot(int i) const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1911 return _parameters.stack_slot(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1912 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1913
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1914 void set_type(int i, Klass* k) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1915 intptr_t current = _parameters.type(i);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1916 _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	1917 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1918
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1919 virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1920 _parameters.clean_weak_klass_links(is_alive_closure);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1921 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1922
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1923 #ifndef PRODUCT
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1924 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	1925 #endif
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1926
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1927 static ByteSize stack_slot_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1928 return cell_offset(stack_slot_local_offset(i));
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1929 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1930
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1931 static ByteSize type_offset(int i) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1932 return cell_offset(type_local_offset(i));
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1933 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1934 };
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	1935
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1936 // SpeculativeTrapData
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1937 //
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1938 // A SpeculativeTrapData is used to record traps due to type
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1939 // speculation. It records the root of the compilation: that type
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1940 // speculation is wrong in the context of one compilation (for
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1941 // method1) doesn't mean it's wrong in the context of another one (for
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1942 // method2). Type speculation could have more/different data in the
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1943 // context of the compilation of method2 and it's worthwhile to try an
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1944 // optimization that failed for compilation of method1 in the context
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1945 // of compilation of method2.
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1946 // Space for SpeculativeTrapData entries is allocated from the extra
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1947 // data space in the MDO. If we run out of space, the trap data for
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1948 // the ProfileData at that bci is updated.
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1949 class SpeculativeTrapData : public ProfileData {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1950 protected:
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1951 enum {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1952 method_offset,
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1953 speculative_trap_cell_count
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1954 };
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1955 public:
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1956 SpeculativeTrapData(DataLayout* layout) : ProfileData(layout) {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1957 assert(layout->tag() == DataLayout::speculative_trap_data_tag, "wrong type");
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1958 }
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1959
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1960 virtual bool is_SpeculativeTrapData() const { return true; }
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1961
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1962 static int static_cell_count() {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1963 return speculative_trap_cell_count;
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1964 }
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1965
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1966 virtual int cell_count() const {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1967 return static_cell_count();
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1968 }
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1969
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1970 // Direct accessor
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1971 Method* method() const {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1972 return (Method*)intptr_at(method_offset);
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1973 }
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1974
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1975 void set_method(Method* m) {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1976 set_intptr_at(method_offset, (intptr_t)m);
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1977 }
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1978
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1979 #ifndef PRODUCT
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1980 virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1981 #endif
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1982 };
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	1983
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1984 // MethodData*
0 a61af66fc99e Initial load duke parents: diff changeset	1985 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1986 // A MethodData* holds information which has been collected about
0 a61af66fc99e Initial load duke parents: diff changeset	1987 // a method. Its layout looks like this:
a61af66fc99e Initial load duke parents: diff changeset	1988 //
a61af66fc99e Initial load duke parents: diff changeset	1989 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1990 // \| header \|
a61af66fc99e Initial load duke parents: diff changeset	1991 // \| klass \|
a61af66fc99e Initial load duke parents: diff changeset	1992 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1993 // \| method \|
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	1994 // \| size of the MethodData* \|
0 a61af66fc99e Initial load duke parents: diff changeset	1995 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1996 // \| Data entries... \|
a61af66fc99e Initial load duke parents: diff changeset	1997 // \| (variable size) \|
a61af66fc99e Initial load duke parents: diff changeset	1998 // \| \|
a61af66fc99e Initial load duke parents: diff changeset	1999 // . .
a61af66fc99e Initial load duke parents: diff changeset	2000 // . .
a61af66fc99e Initial load duke parents: diff changeset	2001 // . .
a61af66fc99e Initial load duke parents: diff changeset	2002 // \| \|
a61af66fc99e Initial load duke parents: diff changeset	2003 // -----------------------------
a61af66fc99e Initial load duke parents: diff changeset	2004 //
a61af66fc99e Initial load duke parents: diff changeset	2005 // The data entry area is a heterogeneous array of DataLayouts. Each
a61af66fc99e Initial load duke parents: diff changeset	2006 // DataLayout in the array corresponds to a specific bytecode in the
a61af66fc99e Initial load duke parents: diff changeset	2007 // method. The entries in the array are sorted by the corresponding
a61af66fc99e Initial load duke parents: diff changeset	2008 // bytecode. Access to the data is via resource-allocated ProfileData,
a61af66fc99e Initial load duke parents: diff changeset	2009 // which point to the underlying blocks of DataLayout structures.
a61af66fc99e Initial load duke parents: diff changeset	2010 //
a61af66fc99e Initial load duke parents: diff changeset	2011 // During interpretation, if profiling in enabled, the interpreter
a61af66fc99e Initial load duke parents: diff changeset	2012 // maintains a method data pointer (mdp), which points at the entry
a61af66fc99e Initial load duke parents: diff changeset	2013 // in the array corresponding to the current bci. In the course of
a61af66fc99e Initial load duke parents: diff changeset	2014 // intepretation, when a bytecode is encountered that has profile data
a61af66fc99e Initial load duke parents: diff changeset	2015 // associated with it, the entry pointed to by mdp is updated, then the
a61af66fc99e Initial load duke parents: diff changeset	2016 // mdp is adjusted to point to the next appropriate DataLayout. If mdp
a61af66fc99e Initial load duke parents: diff changeset	2017 // is NULL to begin with, the interpreter assumes that the current method
a61af66fc99e Initial load duke parents: diff changeset	2018 // is not (yet) being profiled.
a61af66fc99e Initial load duke parents: diff changeset	2019 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2020 // In MethodData* parlance, "dp" is a "data pointer", the actual address
0 a61af66fc99e Initial load duke parents: diff changeset	2021 // of a DataLayout element. A "di" is a "data index", the offset in bytes
a61af66fc99e Initial load duke parents: diff changeset	2022 // from the base of the data entry array. A "displacement" is the byte offset
a61af66fc99e Initial load duke parents: diff changeset	2023 // in certain ProfileData objects that indicate the amount the mdp must be
a61af66fc99e Initial load duke parents: diff changeset	2024 // adjusted in the event of a change in control flow.
a61af66fc99e Initial load duke parents: diff changeset	2025 //
a61af66fc99e Initial load duke parents: diff changeset	2026
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	2027 CC_INTERP_ONLY(class BytecodeInterpreter;)
abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	2028
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2029 class MethodData : public Metadata {
0 a61af66fc99e Initial load duke parents: diff changeset	2030 friend class VMStructs;
14420 abe03600372a 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling goetz parents: 10265 diff changeset	2031 CC_INTERP_ONLY(friend class BytecodeInterpreter;)
0 a61af66fc99e Initial load duke parents: diff changeset	2032 private:
a61af66fc99e Initial load duke parents: diff changeset	2033 friend class ProfileData;
a61af66fc99e Initial load duke parents: diff changeset	2034
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2035 // Back pointer to the Method*
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2036 Method* _method;
0 a61af66fc99e Initial load duke parents: diff changeset	2037
a61af66fc99e Initial load duke parents: diff changeset	2038 // Size of this oop in bytes
a61af66fc99e Initial load duke parents: diff changeset	2039 int _size;
a61af66fc99e Initial load duke parents: diff changeset	2040
a61af66fc99e Initial load duke parents: diff changeset	2041 // Cached hint for bci_to_dp and bci_to_data
a61af66fc99e Initial load duke parents: diff changeset	2042 int _hint_di;
a61af66fc99e Initial load duke parents: diff changeset	2043
14674 53ed0f89f44e 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90 roland parents: 14500 diff changeset	2044 Mutex _extra_data_lock;
53ed0f89f44e 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90 roland parents: 14500 diff changeset	2045
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2046 MethodData(methodHandle method, int size, TRAPS);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2047 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2048 static MethodData* allocate(ClassLoaderData* loader_data, methodHandle method, TRAPS);
14674 53ed0f89f44e 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90 roland parents: 14500 diff changeset	2049 MethodData() : _extra_data_lock(Monitor::leaf, "MDO extra data lock") {}; // For ciMethodData
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2050
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2051 bool is_methodData() const volatile { return true; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2052
0 a61af66fc99e Initial load duke parents: diff changeset	2053 // Whole-method sticky bits and flags
a61af66fc99e Initial load duke parents: diff changeset	2054 enum {
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2055 _trap_hist_limit = 18, // decoupled from Deoptimization::Reason_LIMIT
0 a61af66fc99e Initial load duke parents: diff changeset	2056 _trap_hist_mask = max_jubyte,
a61af66fc99e Initial load duke parents: diff changeset	2057 _extra_data_count = 4 // extra DataLayout headers, for trap history
a61af66fc99e Initial load duke parents: diff changeset	2058 }; // Public flag values
a61af66fc99e Initial load duke parents: diff changeset	2059 private:
a61af66fc99e Initial load duke parents: diff changeset	2060 uint _nof_decompiles; // count of all nmethod removals
a61af66fc99e Initial load duke parents: diff changeset	2061 uint _nof_overflow_recompiles; // recompile count, excluding recomp. bits
a61af66fc99e Initial load duke parents: diff changeset	2062 uint _nof_overflow_traps; // trap count, excluding _trap_hist
a61af66fc99e Initial load duke parents: diff changeset	2063 union {
a61af66fc99e Initial load duke parents: diff changeset	2064 intptr_t _align;
a61af66fc99e Initial load duke parents: diff changeset	2065 u1 _array[_trap_hist_limit];
a61af66fc99e Initial load duke parents: diff changeset	2066 } _trap_hist;
a61af66fc99e Initial load duke parents: diff changeset	2067
a61af66fc99e Initial load duke parents: diff changeset	2068 // Support for interprocedural escape analysis, from Thomas Kotzmann.
a61af66fc99e Initial load duke parents: diff changeset	2069 intx _eflags; // flags on escape information
a61af66fc99e Initial load duke parents: diff changeset	2070 intx _arg_local; // bit set of non-escaping arguments
a61af66fc99e Initial load duke parents: diff changeset	2071 intx _arg_stack; // bit set of stack-allocatable arguments
a61af66fc99e Initial load duke parents: diff changeset	2072 intx _arg_returned; // bit set of returned arguments
a61af66fc99e Initial load duke parents: diff changeset	2073
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2074 int _creation_mileage; // method mileage at MDO creation
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2075
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2076 // How many invocations has this MDO seen?
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2077 // These counters are used to determine the exact age of MDO.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2078 // We need those because in tiered a method can be concurrently
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2079 // executed at different levels.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2080 InvocationCounter _invocation_counter;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2081 // Same for backedges.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2082 InvocationCounter _backedge_counter;
2252 72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2083 // Counter values at the time profiling started.
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2084 int _invocation_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2085 int _backedge_counter_start;
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2086 // Number of loops and blocks is computed when compiling the first
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2087 // time with C1. It is used to determine if method is trivial.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2088 short _num_loops;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2089 short _num_blocks;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2090 // Highest compile level this method has ever seen.
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2091 u1 _highest_comp_level;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2092 // Same for OSR level
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2093 u1 _highest_osr_comp_level;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2094 // Does this method contain anything worth profiling?
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2095 bool _would_profile;
0 a61af66fc99e Initial load duke parents: diff changeset	2096
a61af66fc99e Initial load duke parents: diff changeset	2097 // Size of _data array in bytes. (Excludes header and extra_data fields.)
a61af66fc99e Initial load duke parents: diff changeset	2098 int _data_size;
a61af66fc99e Initial load duke parents: diff changeset	2099
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2100 // 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	2101 // parameter profiling.
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2102 int _parameters_type_data_di;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2103
0 a61af66fc99e Initial load duke parents: diff changeset	2104 // Beginning of the data entries
a61af66fc99e Initial load duke parents: diff changeset	2105 intptr_t _data[1];
a61af66fc99e Initial load duke parents: diff changeset	2106
a61af66fc99e Initial load duke parents: diff changeset	2107 // Helper for size computation
a61af66fc99e Initial load duke parents: diff changeset	2108 static int compute_data_size(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	2109 static int bytecode_cell_count(Bytecodes::Code code);
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2110 static bool is_speculative_trap_bytecode(Bytecodes::Code code);
0 a61af66fc99e Initial load duke parents: diff changeset	2111 enum { no_profile_data = -1, variable_cell_count = -2 };
a61af66fc99e Initial load duke parents: diff changeset	2112
a61af66fc99e Initial load duke parents: diff changeset	2113 // Helper for initialization
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2114 DataLayout* data_layout_at(int data_index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2115 assert(data_index % sizeof(intptr_t) == 0, "unaligned");
a61af66fc99e Initial load duke parents: diff changeset	2116 return (DataLayout*) (((address)_data) + data_index);
a61af66fc99e Initial load duke parents: diff changeset	2117 }
a61af66fc99e Initial load duke parents: diff changeset	2118
a61af66fc99e Initial load duke parents: diff changeset	2119 // Initialize an individual data segment. Returns the size of
a61af66fc99e Initial load duke parents: diff changeset	2120 // the segment in bytes.
a61af66fc99e Initial load duke parents: diff changeset	2121 int initialize_data(BytecodeStream* stream, int data_index);
a61af66fc99e Initial load duke parents: diff changeset	2122
a61af66fc99e Initial load duke parents: diff changeset	2123 // Helper for data_at
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2124 DataLayout* limit_data_position() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2125 return (DataLayout*)((address)data_base() + _data_size);
a61af66fc99e Initial load duke parents: diff changeset	2126 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2127 bool out_of_bounds(int data_index) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2128 return data_index >= data_size();
a61af66fc99e Initial load duke parents: diff changeset	2129 }
a61af66fc99e Initial load duke parents: diff changeset	2130
a61af66fc99e Initial load duke parents: diff changeset	2131 // Give each of the data entries a chance to perform specific
a61af66fc99e Initial load duke parents: diff changeset	2132 // data initialization.
a61af66fc99e Initial load duke parents: diff changeset	2133 void post_initialize(BytecodeStream* stream);
a61af66fc99e Initial load duke parents: diff changeset	2134
a61af66fc99e Initial load duke parents: diff changeset	2135 // hint accessors
a61af66fc99e Initial load duke parents: diff changeset	2136 int hint_di() const { return _hint_di; }
a61af66fc99e Initial load duke parents: diff changeset	2137 void set_hint_di(int di) {
a61af66fc99e Initial load duke parents: diff changeset	2138 assert(!out_of_bounds(di), "hint_di out of bounds");
a61af66fc99e Initial load duke parents: diff changeset	2139 _hint_di = di;
a61af66fc99e Initial load duke parents: diff changeset	2140 }
a61af66fc99e Initial load duke parents: diff changeset	2141 ProfileData* data_before(int bci) {
a61af66fc99e Initial load duke parents: diff changeset	2142 // avoid SEGV on this edge case
a61af66fc99e Initial load duke parents: diff changeset	2143 if (data_size() == 0)
a61af66fc99e Initial load duke parents: diff changeset	2144 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	2145 int hint = hint_di();
a61af66fc99e Initial load duke parents: diff changeset	2146 if (data_layout_at(hint)->bci() <= bci)
a61af66fc99e Initial load duke parents: diff changeset	2147 return data_at(hint);
a61af66fc99e Initial load duke parents: diff changeset	2148 return first_data();
a61af66fc99e Initial load duke parents: diff changeset	2149 }
a61af66fc99e Initial load duke parents: diff changeset	2150
a61af66fc99e Initial load duke parents: diff changeset	2151 // 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	2152 int first_di() const { return 0; }
0 a61af66fc99e Initial load duke parents: diff changeset	2153
14674 53ed0f89f44e 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90 roland parents: 14500 diff changeset	2154 ProfileData* bci_to_extra_data_helper(int bci, Method* m, DataLayout*& dp, bool concurrent);
0 a61af66fc99e Initial load duke parents: diff changeset	2155 // Find or create an extra ProfileData:
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2156 ProfileData* bci_to_extra_data(int bci, Method* m, bool create_if_missing);
0 a61af66fc99e Initial load duke parents: diff changeset	2157
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2158 // return the argument info cell
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2159 ArgInfoData *arg_info();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2160
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2161 enum {
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2162 no_type_profile = 0,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2163 type_profile_jsr292 = 1,
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2164 type_profile_all = 2
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2165 };
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2166
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2167 static bool profile_jsr292(methodHandle m, int bci);
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2168 static int profile_arguments_flag();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2169 static bool profile_arguments_jsr292_only();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2170 static bool profile_all_arguments();
d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2171 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	2172 static int profile_return_flag();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	2173 static bool profile_all_return();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	2174 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	2175 static int profile_parameters_flag();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2176 static bool profile_parameters_jsr292_only();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2177 static bool profile_all_parameters();
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2178
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2179 void clean_extra_data(BoolObjectClosure* is_alive);
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2180 void clean_extra_data_helper(DataLayout* dp, int shift, bool reset = false);
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2181 void verify_extra_data_clean(BoolObjectClosure* is_alive);
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2182
0 a61af66fc99e Initial load duke parents: diff changeset	2183 public:
a61af66fc99e Initial load duke parents: diff changeset	2184 static int header_size() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2185 return sizeof(MethodData)/wordSize;
0 a61af66fc99e Initial load duke parents: diff changeset	2186 }
a61af66fc99e Initial load duke parents: diff changeset	2187
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2188 // Compute the size of a MethodData* before it is created.
0 a61af66fc99e Initial load duke parents: diff changeset	2189 static int compute_allocation_size_in_bytes(methodHandle method);
a61af66fc99e Initial load duke parents: diff changeset	2190 static int compute_allocation_size_in_words(methodHandle method);
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2191 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	2192
a61af66fc99e Initial load duke parents: diff changeset	2193 // Determine if a given bytecode can have profile information.
a61af66fc99e Initial load duke parents: diff changeset	2194 static bool bytecode_has_profile(Bytecodes::Code code) {
a61af66fc99e Initial load duke parents: diff changeset	2195 return bytecode_cell_count(code) != no_profile_data;
a61af66fc99e Initial load duke parents: diff changeset	2196 }
a61af66fc99e Initial load duke parents: diff changeset	2197
9080 b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	2198 // reset into original state
b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	2199 void init();
0 a61af66fc99e Initial load duke parents: diff changeset	2200
a61af66fc99e Initial load duke parents: diff changeset	2201 // My size
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2202 int size_in_bytes() const { return _size; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2203 int size() const { return align_object_size(align_size_up(_size, BytesPerWord)/BytesPerWord); }
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2204 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2205 void collect_statistics(KlassSizeStats *sz) const;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 6725 diff changeset	2206 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	2207
a61af66fc99e Initial load duke parents: diff changeset	2208 int creation_mileage() const { return _creation_mileage; }
a61af66fc99e Initial load duke parents: diff changeset	2209 void set_creation_mileage(int x) { _creation_mileage = x; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2210
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2211 int invocation_count() {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2212 if (invocation_counter()->carry()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2213 return InvocationCounter::count_limit;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2214 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2215 return invocation_counter()->count();
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2216 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2217 int backedge_count() {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2218 if (backedge_counter()->carry()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2219 return InvocationCounter::count_limit;
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2220 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2221 return backedge_counter()->count();
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2222 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2223
2252 72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2224 int invocation_count_start() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2225 if (invocation_counter()->carry()) {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2226 return 0;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2227 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2228 return _invocation_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2229 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2230
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2231 int backedge_count_start() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2232 if (backedge_counter()->carry()) {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2233 return 0;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2234 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2235 return _backedge_counter_start;
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2236 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2237
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2238 int invocation_count_delta() { return invocation_count() - invocation_count_start(); }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2239 int backedge_count_delta() { return backedge_count() - backedge_count_start(); }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2240
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2241 void reset_start_counters() {
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2242 _invocation_counter_start = invocation_count();
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2243 _backedge_counter_start = backedge_count();
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2244 }
72d6c57d0658 7017434: Tiered needs to support reprofiling iveresov parents: 1972 diff changeset	2245
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2246 InvocationCounter* invocation_counter() { return &_invocation_counter; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2247 InvocationCounter* backedge_counter() { return &_backedge_counter; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2248
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2249 void set_would_profile(bool p) { _would_profile = p; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2250 bool would_profile() const { return _would_profile; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2251
10265 92ef81e2f571 8003557: NPG: Klass* const k should be const Klass* k. minqi parents: 9080 diff changeset	2252 int highest_comp_level() const { return _highest_comp_level; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2253 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	2254 int highest_osr_comp_level() const { return _highest_osr_comp_level; }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2255 void set_highest_osr_comp_level(int level) { _highest_osr_comp_level = level; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2256
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2257 int num_loops() const { return _num_loops; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2258 void set_num_loops(int n) { _num_loops = n; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2259 int num_blocks() const { return _num_blocks; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2260 void set_num_blocks(int n) { _num_blocks = n; }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2261
0 a61af66fc99e Initial load duke parents: diff changeset	2262 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	2263 static int mileage_of(Method* m);
0 a61af66fc99e Initial load duke parents: diff changeset	2264
a61af66fc99e Initial load duke parents: diff changeset	2265 // Support for interprocedural escape analysis, from Thomas Kotzmann.
a61af66fc99e Initial load duke parents: diff changeset	2266 enum EscapeFlag {
a61af66fc99e Initial load duke parents: diff changeset	2267 estimated = 1 << 0,
78 e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2268 return_local = 1 << 1,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2269 return_allocated = 1 << 2,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2270 allocated_escapes = 1 << 3,
e1e86702e43e 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments kvn parents: 45 diff changeset	2271 unknown_modified = 1 << 4
0 a61af66fc99e Initial load duke parents: diff changeset	2272 };
a61af66fc99e Initial load duke parents: diff changeset	2273
a61af66fc99e Initial load duke parents: diff changeset	2274 intx eflags() { return _eflags; }
a61af66fc99e Initial load duke parents: diff changeset	2275 intx arg_local() { return _arg_local; }
a61af66fc99e Initial load duke parents: diff changeset	2276 intx arg_stack() { return _arg_stack; }
a61af66fc99e Initial load duke parents: diff changeset	2277 intx arg_returned() { return _arg_returned; }
45 48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state kvn parents: 0 diff changeset	2278 uint arg_modified(int a) { ArgInfoData *aid = arg_info();
9080 b84fd7d73702 8007288: Additional WB API for compiler's testing iignatyev parents: 8000 diff changeset	2279 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	2280 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	2281 return aid->arg_modified(a); }
0 a61af66fc99e Initial load duke parents: diff changeset	2282
a61af66fc99e Initial load duke parents: diff changeset	2283 void set_eflags(intx v) { _eflags = v; }
a61af66fc99e Initial load duke parents: diff changeset	2284 void set_arg_local(intx v) { _arg_local = v; }
a61af66fc99e Initial load duke parents: diff changeset	2285 void set_arg_stack(intx v) { _arg_stack = v; }
a61af66fc99e Initial load duke parents: diff changeset	2286 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	2287 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	2288 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	2289 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	2290 aid->set_arg_modified(a, v); }
0 a61af66fc99e Initial load duke parents: diff changeset	2291
a61af66fc99e Initial load duke parents: diff changeset	2292 void clear_escape_info() { _eflags = _arg_local = _arg_stack = _arg_returned = 0; }
a61af66fc99e Initial load duke parents: diff changeset	2293
a61af66fc99e Initial load duke parents: diff changeset	2294 // Location and size of data area
a61af66fc99e Initial load duke parents: diff changeset	2295 address data_base() const {
a61af66fc99e Initial load duke parents: diff changeset	2296 return (address) _data;
a61af66fc99e Initial load duke parents: diff changeset	2297 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2298 int data_size() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2299 return _data_size;
a61af66fc99e Initial load duke parents: diff changeset	2300 }
a61af66fc99e Initial load duke parents: diff changeset	2301
a61af66fc99e Initial load duke parents: diff changeset	2302 // Accessors
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2303 Method* method() const { return _method; }
0 a61af66fc99e Initial load duke parents: diff changeset	2304
a61af66fc99e Initial load duke parents: diff changeset	2305 // 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	2306 ProfileData* data_at(int data_index) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2307
a61af66fc99e Initial load duke parents: diff changeset	2308 // Walk through the data in order.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2309 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	2310 ProfileData* next_data(ProfileData* current) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2311 bool is_valid(ProfileData* current) const { return current != NULL; }
0 a61af66fc99e Initial load duke parents: diff changeset	2312
a61af66fc99e Initial load duke parents: diff changeset	2313 // 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	2314 int dp_to_di(address dp) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2315 return dp - ((address)_data);
a61af66fc99e Initial load duke parents: diff changeset	2316 }
a61af66fc99e Initial load duke parents: diff changeset	2317
a61af66fc99e Initial load duke parents: diff changeset	2318 address di_to_dp(int di) {
a61af66fc99e Initial load duke parents: diff changeset	2319 return (address)data_layout_at(di);
a61af66fc99e Initial load duke parents: diff changeset	2320 }
a61af66fc99e Initial load duke parents: diff changeset	2321
a61af66fc99e Initial load duke parents: diff changeset	2322 // bci to di/dp conversion.
a61af66fc99e Initial load duke parents: diff changeset	2323 address bci_to_dp(int bci);
a61af66fc99e Initial load duke parents: diff changeset	2324 int bci_to_di(int bci) {
a61af66fc99e Initial load duke parents: diff changeset	2325 return dp_to_di(bci_to_dp(bci));
a61af66fc99e Initial load duke parents: diff changeset	2326 }
a61af66fc99e Initial load duke parents: diff changeset	2327
a61af66fc99e Initial load duke parents: diff changeset	2328 // Get the data at an arbitrary bci, or NULL if there is none.
a61af66fc99e Initial load duke parents: diff changeset	2329 ProfileData* bci_to_data(int bci);
a61af66fc99e Initial load duke parents: diff changeset	2330
a61af66fc99e Initial load duke parents: diff changeset	2331 // Same, but try to create an extra_data record if one is needed:
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2332 ProfileData* allocate_bci_to_data(int bci, Method* m) {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2333 ProfileData* data = NULL;
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2334 // If m not NULL, try to allocate a SpeculativeTrapData entry
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2335 if (m == NULL) {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2336 data = bci_to_data(bci);
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2337 }
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2338 if (data != NULL) {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2339 return data;
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2340 }
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2341 data = bci_to_extra_data(bci, m, true);
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2342 if (data != NULL) {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2343 return data;
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2344 }
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2345 // If SpeculativeTrapData allocation fails try to allocate a
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2346 // regular entry
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2347 data = bci_to_data(bci);
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2348 if (data != NULL) {
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2349 return data;
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2350 }
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2351 return bci_to_extra_data(bci, NULL, true);
0 a61af66fc99e Initial load duke parents: diff changeset	2352 }
a61af66fc99e Initial load duke parents: diff changeset	2353
a61af66fc99e Initial load duke parents: diff changeset	2354 // 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	2355 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	2356 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	2357 int extra_data_size() const { return (address)extra_data_limit()
0 a61af66fc99e Initial load duke parents: diff changeset	2358 - (address)extra_data_base(); }
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2359 static DataLayout* next_extra(DataLayout* dp);
0 a61af66fc99e Initial load duke parents: diff changeset	2360
a61af66fc99e Initial load duke parents: diff changeset	2361 // Return (uint)-1 for overflow.
a61af66fc99e Initial load duke parents: diff changeset	2362 uint trap_count(int reason) const {
a61af66fc99e Initial load duke parents: diff changeset	2363 assert((uint)reason < _trap_hist_limit, "oob");
a61af66fc99e Initial load duke parents: diff changeset	2364 return (int)((_trap_hist._array[reason]+1) & _trap_hist_mask) - 1;
a61af66fc99e Initial load duke parents: diff changeset	2365 }
a61af66fc99e Initial load duke parents: diff changeset	2366 // For loops:
a61af66fc99e Initial load duke parents: diff changeset	2367 static uint trap_reason_limit() { return _trap_hist_limit; }
a61af66fc99e Initial load duke parents: diff changeset	2368 static uint trap_count_limit() { return _trap_hist_mask; }
a61af66fc99e Initial load duke parents: diff changeset	2369 uint inc_trap_count(int reason) {
a61af66fc99e Initial load duke parents: diff changeset	2370 // Count another trap, anywhere in this method.
a61af66fc99e Initial load duke parents: diff changeset	2371 assert(reason >= 0, "must be single trap");
a61af66fc99e Initial load duke parents: diff changeset	2372 if ((uint)reason < _trap_hist_limit) {
a61af66fc99e Initial load duke parents: diff changeset	2373 uint cnt1 = 1 + _trap_hist._array[reason];
a61af66fc99e Initial load duke parents: diff changeset	2374 if ((cnt1 & _trap_hist_mask) != 0) { // if no counter overflow...
a61af66fc99e Initial load duke parents: diff changeset	2375 _trap_hist._array[reason] = cnt1;
a61af66fc99e Initial load duke parents: diff changeset	2376 return cnt1;
a61af66fc99e Initial load duke parents: diff changeset	2377 } else {
a61af66fc99e Initial load duke parents: diff changeset	2378 return _trap_hist_mask + (++_nof_overflow_traps);
a61af66fc99e Initial load duke parents: diff changeset	2379 }
a61af66fc99e Initial load duke parents: diff changeset	2380 } else {
a61af66fc99e Initial load duke parents: diff changeset	2381 // Could not represent the count in the histogram.
a61af66fc99e Initial load duke parents: diff changeset	2382 return (++_nof_overflow_traps);
a61af66fc99e Initial load duke parents: diff changeset	2383 }
a61af66fc99e Initial load duke parents: diff changeset	2384 }
a61af66fc99e Initial load duke parents: diff changeset	2385
a61af66fc99e Initial load duke parents: diff changeset	2386 uint overflow_trap_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2387 return _nof_overflow_traps;
a61af66fc99e Initial load duke parents: diff changeset	2388 }
a61af66fc99e Initial load duke parents: diff changeset	2389 uint overflow_recompile_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2390 return _nof_overflow_recompiles;
a61af66fc99e Initial load duke parents: diff changeset	2391 }
a61af66fc99e Initial load duke parents: diff changeset	2392 void inc_overflow_recompile_count() {
a61af66fc99e Initial load duke parents: diff changeset	2393 _nof_overflow_recompiles += 1;
a61af66fc99e Initial load duke parents: diff changeset	2394 }
a61af66fc99e Initial load duke parents: diff changeset	2395 uint decompile_count() const {
a61af66fc99e Initial load duke parents: diff changeset	2396 return _nof_decompiles;
a61af66fc99e Initial load duke parents: diff changeset	2397 }
a61af66fc99e Initial load duke parents: diff changeset	2398 void inc_decompile_count() {
a61af66fc99e Initial load duke parents: diff changeset	2399 _nof_decompiles += 1;
1206 87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation kvn parents: 948 diff changeset	2400 if (decompile_count() > (uint)PerMethodRecompilationCutoff) {
7998 6a51fc70a15e 8006613: adding reason to made_not_compilable vlivanov parents: 6725 diff changeset	2401 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	2402 }
0 a61af66fc99e Initial load duke parents: diff changeset	2403 }
a61af66fc99e Initial load duke parents: diff changeset	2404
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2405 // Return pointer to area dedicated to parameters in MDO
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2406 ParametersTypeData* parameters_type_data() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2407 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	2408 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2409
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2410 int parameters_type_data_di() const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2411 assert(_parameters_type_data_di != -1, "no args type data");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2412 return _parameters_type_data_di;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2413 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2414
0 a61af66fc99e Initial load duke parents: diff changeset	2415 // Support for code generation
a61af66fc99e Initial load duke parents: diff changeset	2416 static ByteSize data_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2417 return byte_offset_of(MethodData, _data[0]);
0 a61af66fc99e Initial load duke parents: diff changeset	2418 }
a61af66fc99e Initial load duke parents: diff changeset	2419
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2420 static ByteSize invocation_counter_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2421 return byte_offset_of(MethodData, _invocation_counter);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2422 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2423 static ByteSize backedge_counter_offset() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2424 return byte_offset_of(MethodData, _backedge_counter);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2425 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1552 diff changeset	2426
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2427 static ByteSize parameters_type_data_di_offset() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2428 return byte_offset_of(MethodData, _parameters_type_data_di);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2429 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2430
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2431 // Deallocation support - no pointer fields to deallocate
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2432 void deallocate_contents(ClassLoaderData* loader_data) {}
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2433
0 a61af66fc99e Initial load duke parents: diff changeset	2434 // GC support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2435 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	2436
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2437 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2438 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2439 void print_on (outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2440 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2441 void print_value_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2442
a61af66fc99e Initial load duke parents: diff changeset	2443 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2444 // printing support for method data
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2445 void print_data_on(outputStream* st) const;
0 a61af66fc99e Initial load duke parents: diff changeset	2446 #endif
a61af66fc99e Initial load duke parents: diff changeset	2447
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2448 const char* internal_name() const { return "{method data}"; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2449
0 a61af66fc99e Initial load duke parents: diff changeset	2450 // verification
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3905 diff changeset	2451 void verify_on(outputStream* st);
0 a61af66fc99e Initial load duke parents: diff changeset	2452 void verify_data_on(outputStream* st);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2453
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2454 static bool profile_parameters_for_method(methodHandle m);
12875 d13d7aba8c12 8023657: New type profiling points: arguments to call roland parents: 12316 diff changeset	2455 static bool profile_arguments();
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	2456 static bool profile_return();
12962 5ccbab1c69f3 8026251: New type profiling points: parameters to methods roland parents: 12882 diff changeset	2457 static bool profile_parameters();
12882 ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls roland parents: 12875 diff changeset	2458 static bool profile_return_jsr292_only();
14500 fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2459
fdad2932c73f 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 14435 diff changeset	2460 void clean_method_data(BoolObjectClosure* is_alive);
0 a61af66fc99e Initial load duke parents: diff changeset	2461 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	2462
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	2463 #endif // SHARE_VM_OOPS_METHODDATAOOP_HPP

Mercurial > hg > truffle

annotate src/share/vm/oops/methodData.hpp @ 14674:53ed0f89f44e