Mercurial > hg > truffle
annotate src/share/vm/oops/methodData.cpp @ 21947:9f70fc90169d
Truffle: remove expensive assertion
| author | Andreas Woess <andreas.woess@oracle.com> |
|---|---|
| date | Wed, 17 Jun 2015 04:09:30 +0200 |
| parents | be896a1983c0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/systemDictionary.hpp" | |
| 17780 | 27 #include "compiler/compilerOracle.hpp" |
| 1972 | 28 #include "interpreter/bytecode.hpp" |
| 29 #include "interpreter/bytecodeStream.hpp" | |
| 30 #include "interpreter/linkResolver.hpp" | |
| 7956 | 31 #include "memory/heapInspection.hpp" |
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32 #include "oops/methodData.hpp" |
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33 #include "prims/jvmtiRedefineClasses.hpp" |
| 1972 | 34 #include "runtime/compilationPolicy.hpp" |
| 35 #include "runtime/deoptimization.hpp" | |
| 36 #include "runtime/handles.inline.hpp" | |
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37 #include "runtime/orderAccess.inline.hpp" |
| 0 | 38 |
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39 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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40 |
| 0 | 41 // ================================================================== |
| 42 // DataLayout | |
| 43 // | |
| 44 // Overlay for generic profiling data. | |
| 45 | |
| 46 // Some types of data layouts need a length field. | |
| 47 bool DataLayout::needs_array_len(u1 tag) { | |
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48 return (tag == multi_branch_data_tag) || (tag == arg_info_data_tag) || (tag == parameters_type_data_tag); |
| 0 | 49 } |
| 50 | |
| 51 // Perform generic initialization of the data. More specific | |
| 52 // initialization occurs in overrides of ProfileData::post_initialize. | |
| 53 void DataLayout::initialize(u1 tag, u2 bci, int cell_count) { | |
| 54 _header._bits = (intptr_t)0; | |
| 55 _header._struct._tag = tag; | |
| 56 _header._struct._bci = bci; | |
| 57 for (int i = 0; i < cell_count; i++) { | |
| 58 set_cell_at(i, (intptr_t)0); | |
| 59 } | |
| 60 if (needs_array_len(tag)) { | |
| 61 set_cell_at(ArrayData::array_len_off_set, cell_count - 1); // -1 for header. | |
| 62 } | |
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63 if (tag == call_type_data_tag) { |
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64 CallTypeData::initialize(this, cell_count); |
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65 } else if (tag == virtual_call_type_data_tag) { |
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66 VirtualCallTypeData::initialize(this, cell_count); |
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67 } |
| 0 | 68 } |
| 69 | |
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70 void DataLayout::clean_weak_klass_links(BoolObjectClosure* cl) { |
| 941 | 71 ResourceMark m; |
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72 data_in()->clean_weak_klass_links(cl); |
| 941 | 73 } |
| 74 | |
| 75 | |
| 0 | 76 // ================================================================== |
| 77 // ProfileData | |
| 78 // | |
| 79 // A ProfileData object is created to refer to a section of profiling | |
| 80 // data in a structured way. | |
| 81 | |
| 82 // Constructor for invalid ProfileData. | |
| 83 ProfileData::ProfileData() { | |
| 84 _data = NULL; | |
| 85 } | |
| 86 | |
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87 char* ProfileData::print_data_on_helper(const MethodData* md) const { |
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88 DataLayout* dp = md->extra_data_base(); |
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89 DataLayout* end = md->extra_data_limit(); |
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90 stringStream ss; |
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91 for (;; dp = MethodData::next_extra(dp)) { |
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92 assert(dp < end, "moved past end of extra data"); |
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93 switch(dp->tag()) { |
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94 case DataLayout::speculative_trap_data_tag: |
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95 if (dp->bci() == bci()) { |
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96 SpeculativeTrapData* data = new SpeculativeTrapData(dp); |
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97 int trap = data->trap_state(); |
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98 char buf[100]; |
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99 ss.print("trap/"); |
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100 data->method()->print_short_name(&ss); |
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101 ss.print("(%s) ", Deoptimization::format_trap_state(buf, sizeof(buf), trap)); |
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102 } |
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103 break; |
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104 case DataLayout::bit_data_tag: |
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105 break; |
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106 case DataLayout::no_tag: |
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107 case DataLayout::arg_info_data_tag: |
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108 return ss.as_string(); |
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109 break; |
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110 default: |
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111 fatal(err_msg("unexpected tag %d", dp->tag())); |
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112 } |
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113 } |
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114 return NULL; |
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115 } |
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116 |
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117 void ProfileData::print_data_on(outputStream* st, const MethodData* md) const { |
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118 print_data_on(st, print_data_on_helper(md)); |
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119 } |
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120 |
| 0 | 121 #ifndef PRODUCT |
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122 void ProfileData::print_shared(outputStream* st, const char* name, const char* extra) const { |
| 0 | 123 st->print("bci: %d", bci()); |
| 124 st->fill_to(tab_width_one); | |
| 125 st->print("%s", name); | |
| 126 tab(st); | |
| 127 int trap = trap_state(); | |
| 128 if (trap != 0) { | |
| 129 char buf[100]; | |
| 130 st->print("trap(%s) ", Deoptimization::format_trap_state(buf, sizeof(buf), trap)); | |
| 131 } | |
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132 if (extra != NULL) { |
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133 st->print("%s", extra); |
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134 } |
| 0 | 135 int flags = data()->flags(); |
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136 if (flags != 0) { |
| 0 | 137 st->print("flags(%d) ", flags); |
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138 } |
| 0 | 139 } |
| 140 | |
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141 void ProfileData::tab(outputStream* st, bool first) const { |
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142 st->fill_to(first ? tab_width_one : tab_width_two); |
| 0 | 143 } |
| 144 #endif // !PRODUCT | |
| 145 | |
| 146 // ================================================================== | |
| 147 // BitData | |
| 148 // | |
| 149 // A BitData corresponds to a one-bit flag. This is used to indicate | |
| 150 // whether a checkcast bytecode has seen a null value. | |
| 151 | |
| 152 | |
| 153 #ifndef PRODUCT | |
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154 void BitData::print_data_on(outputStream* st, const char* extra) const { |
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155 print_shared(st, "BitData", extra); |
| 0 | 156 } |
| 157 #endif // !PRODUCT | |
| 158 | |
| 159 // ================================================================== | |
| 160 // CounterData | |
| 161 // | |
| 162 // A CounterData corresponds to a simple counter. | |
| 163 | |
| 164 #ifndef PRODUCT | |
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165 void CounterData::print_data_on(outputStream* st, const char* extra) const { |
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166 print_shared(st, "CounterData", extra); |
| 0 | 167 st->print_cr("count(%u)", count()); |
| 168 } | |
| 169 #endif // !PRODUCT | |
| 170 | |
| 171 // ================================================================== | |
| 172 // JumpData | |
| 173 // | |
| 174 // A JumpData is used to access profiling information for a direct | |
| 175 // branch. It is a counter, used for counting the number of branches, | |
| 176 // plus a data displacement, used for realigning the data pointer to | |
| 177 // the corresponding target bci. | |
| 178 | |
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179 void JumpData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
| 0 | 180 assert(stream->bci() == bci(), "wrong pos"); |
| 181 int target; | |
| 182 Bytecodes::Code c = stream->code(); | |
| 183 if (c == Bytecodes::_goto_w || c == Bytecodes::_jsr_w) { | |
| 184 target = stream->dest_w(); | |
| 185 } else { | |
| 186 target = stream->dest(); | |
| 187 } | |
| 188 int my_di = mdo->dp_to_di(dp()); | |
| 189 int target_di = mdo->bci_to_di(target); | |
| 190 int offset = target_di - my_di; | |
| 191 set_displacement(offset); | |
| 192 } | |
| 193 | |
| 194 #ifndef PRODUCT | |
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195 void JumpData::print_data_on(outputStream* st, const char* extra) const { |
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196 print_shared(st, "JumpData", extra); |
| 0 | 197 st->print_cr("taken(%u) displacement(%d)", taken(), displacement()); |
| 198 } | |
| 199 #endif // !PRODUCT | |
| 200 | |
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201 int TypeStackSlotEntries::compute_cell_count(Symbol* signature, bool include_receiver, int max) { |
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202 // Parameter profiling include the receiver |
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203 int args_count = include_receiver ? 1 : 0; |
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204 ResourceMark rm; |
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205 SignatureStream ss(signature); |
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206 args_count += ss.reference_parameter_count(); |
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207 args_count = MIN2(args_count, max); |
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208 return args_count * per_arg_cell_count; |
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209 } |
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210 |
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211 int TypeEntriesAtCall::compute_cell_count(BytecodeStream* stream) { |
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212 assert(Bytecodes::is_invoke(stream->code()), "should be invoke"); |
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213 assert(TypeStackSlotEntries::per_arg_count() > ReturnTypeEntry::static_cell_count(), "code to test for arguments/results broken"); |
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214 Bytecode_invoke inv(stream->method(), stream->bci()); |
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215 int args_cell = 0; |
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216 if (arguments_profiling_enabled()) { |
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217 args_cell = TypeStackSlotEntries::compute_cell_count(inv.signature(), false, TypeProfileArgsLimit); |
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218 } |
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219 int ret_cell = 0; |
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220 if (return_profiling_enabled() && (inv.result_type() == T_OBJECT || inv.result_type() == T_ARRAY)) { |
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221 ret_cell = ReturnTypeEntry::static_cell_count(); |
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222 } |
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223 int header_cell = 0; |
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224 if (args_cell + ret_cell > 0) { |
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225 header_cell = header_cell_count(); |
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226 } |
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227 |
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228 return header_cell + args_cell + ret_cell; |
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229 } |
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230 |
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231 class ArgumentOffsetComputer : public SignatureInfo { |
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232 private: |
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233 int _max; |
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234 GrowableArray<int> _offsets; |
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235 |
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236 void set(int size, BasicType type) { _size += size; } |
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237 void do_object(int begin, int end) { |
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238 if (_offsets.length() < _max) { |
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239 _offsets.push(_size); |
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240 } |
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241 SignatureInfo::do_object(begin, end); |
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242 } |
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243 void do_array (int begin, int end) { |
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244 if (_offsets.length() < _max) { |
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245 _offsets.push(_size); |
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246 } |
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247 SignatureInfo::do_array(begin, end); |
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248 } |
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249 |
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250 public: |
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251 ArgumentOffsetComputer(Symbol* signature, int max) |
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252 : SignatureInfo(signature), _max(max), _offsets(Thread::current(), max) { |
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253 } |
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254 |
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255 int total() { lazy_iterate_parameters(); return _size; } |
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256 |
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257 int off_at(int i) const { return _offsets.at(i); } |
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258 }; |
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259 |
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260 void TypeStackSlotEntries::post_initialize(Symbol* signature, bool has_receiver, bool include_receiver) { |
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261 ResourceMark rm; |
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262 int start = 0; |
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263 // Parameter profiling include the receiver |
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264 if (include_receiver && has_receiver) { |
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265 set_stack_slot(0, 0); |
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266 set_type(0, type_none()); |
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267 start += 1; |
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268 } |
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269 ArgumentOffsetComputer aos(signature, _number_of_entries-start); |
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270 aos.total(); |
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271 for (int i = start; i < _number_of_entries; i++) { |
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272 set_stack_slot(i, aos.off_at(i-start) + (has_receiver ? 1 : 0)); |
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273 set_type(i, type_none()); |
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274 } |
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275 } |
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276 |
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277 void CallTypeData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
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278 assert(Bytecodes::is_invoke(stream->code()), "should be invoke"); |
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279 Bytecode_invoke inv(stream->method(), stream->bci()); |
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280 |
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281 SignatureStream ss(inv.signature()); |
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282 if (has_arguments()) { |
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283 #ifdef ASSERT |
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284 ResourceMark rm; |
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285 int count = MIN2(ss.reference_parameter_count(), (int)TypeProfileArgsLimit); |
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286 assert(count > 0, "room for args type but none found?"); |
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287 check_number_of_arguments(count); |
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288 #endif |
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289 _args.post_initialize(inv.signature(), inv.has_receiver(), false); |
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290 } |
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291 |
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292 if (has_return()) { |
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293 assert(inv.result_type() == T_OBJECT || inv.result_type() == T_ARRAY, "room for a ret type but doesn't return obj?"); |
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294 _ret.post_initialize(); |
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295 } |
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296 } |
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297 |
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298 void VirtualCallTypeData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
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299 assert(Bytecodes::is_invoke(stream->code()), "should be invoke"); |
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300 Bytecode_invoke inv(stream->method(), stream->bci()); |
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301 |
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302 if (has_arguments()) { |
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303 #ifdef ASSERT |
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304 ResourceMark rm; |
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305 SignatureStream ss(inv.signature()); |
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306 int count = MIN2(ss.reference_parameter_count(), (int)TypeProfileArgsLimit); |
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307 assert(count > 0, "room for args type but none found?"); |
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308 check_number_of_arguments(count); |
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309 #endif |
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310 _args.post_initialize(inv.signature(), inv.has_receiver(), false); |
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311 } |
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312 |
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313 if (has_return()) { |
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314 assert(inv.result_type() == T_OBJECT || inv.result_type() == T_ARRAY, "room for a ret type but doesn't return obj?"); |
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315 _ret.post_initialize(); |
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316 } |
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317 } |
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318 |
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319 bool TypeEntries::is_loader_alive(BoolObjectClosure* is_alive_cl, intptr_t p) { |
| 13080 | 320 Klass* k = (Klass*)klass_part(p); |
| 321 return k != NULL && k->is_loader_alive(is_alive_cl); | |
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322 } |
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323 |
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324 void TypeStackSlotEntries::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) { |
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325 for (int i = 0; i < _number_of_entries; i++) { |
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326 intptr_t p = type(i); |
| 13080 | 327 if (!is_loader_alive(is_alive_cl, p)) { |
| 328 set_type(i, with_status((Klass*)NULL, p)); | |
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329 } |
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330 } |
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331 } |
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332 |
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333 void ReturnTypeEntry::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) { |
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334 intptr_t p = type(); |
| 13080 | 335 if (!is_loader_alive(is_alive_cl, p)) { |
| 336 set_type(with_status((Klass*)NULL, p)); | |
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337 } |
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338 } |
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339 |
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340 bool TypeEntriesAtCall::return_profiling_enabled() { |
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341 return MethodData::profile_return(); |
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342 } |
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343 |
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344 bool TypeEntriesAtCall::arguments_profiling_enabled() { |
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345 return MethodData::profile_arguments(); |
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346 } |
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347 |
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348 #ifndef PRODUCT |
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349 void TypeEntries::print_klass(outputStream* st, intptr_t k) { |
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350 if (is_type_none(k)) { |
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351 st->print("none"); |
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352 } else if (is_type_unknown(k)) { |
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353 st->print("unknown"); |
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354 } else { |
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355 valid_klass(k)->print_value_on(st); |
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356 } |
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357 if (was_null_seen(k)) { |
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358 st->print(" (null seen)"); |
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359 } |
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360 } |
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361 |
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362 void TypeStackSlotEntries::print_data_on(outputStream* st) const { |
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363 for (int i = 0; i < _number_of_entries; i++) { |
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364 _pd->tab(st); |
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365 st->print("%d: stack(%u) ", i, stack_slot(i)); |
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366 print_klass(st, type(i)); |
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367 st->cr(); |
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368 } |
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369 } |
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370 |
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371 void ReturnTypeEntry::print_data_on(outputStream* st) const { |
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372 _pd->tab(st); |
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373 print_klass(st, type()); |
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374 st->cr(); |
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375 } |
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376 |
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377 void CallTypeData::print_data_on(outputStream* st, const char* extra) const { |
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378 CounterData::print_data_on(st, extra); |
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379 if (has_arguments()) { |
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380 tab(st, true); |
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381 st->print("argument types"); |
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382 _args.print_data_on(st); |
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383 } |
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384 if (has_return()) { |
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385 tab(st, true); |
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386 st->print("return type"); |
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387 _ret.print_data_on(st); |
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388 } |
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389 } |
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390 |
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391 void VirtualCallTypeData::print_data_on(outputStream* st, const char* extra) const { |
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392 VirtualCallData::print_data_on(st, extra); |
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393 if (has_arguments()) { |
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394 tab(st, true); |
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395 st->print("argument types"); |
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396 _args.print_data_on(st); |
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397 } |
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398 if (has_return()) { |
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399 tab(st, true); |
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400 st->print("return type"); |
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401 _ret.print_data_on(st); |
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402 } |
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403 } |
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404 #endif |
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405 |
| 0 | 406 // ================================================================== |
| 407 // ReceiverTypeData | |
| 408 // | |
| 409 // A ReceiverTypeData is used to access profiling information about a | |
| 410 // dynamic type check. It consists of a counter which counts the total times | |
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411 // that the check is reached, and a series of (Klass*, count) pairs |
| 0 | 412 // which are used to store a type profile for the receiver of the check. |
| 413 | |
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414 void ReceiverTypeData::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) { |
| 941 | 415 for (uint row = 0; row < row_limit(); row++) { |
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416 Klass* p = receiver(row); |
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417 if (p != NULL && !p->is_loader_alive(is_alive_cl)) { |
| 941 | 418 clear_row(row); |
| 419 } | |
| 420 } | |
| 421 } | |
| 422 | |
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423 #ifdef JVMCI |
| 9765 | 424 void VirtualCallData::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) { |
| 425 ReceiverTypeData::clean_weak_klass_links(is_alive_cl); | |
| 426 for (uint row = 0; row < method_row_limit(); row++) { | |
| 427 Method* p = method(row); | |
| 428 if (p != NULL && !p->method_holder()->is_loader_alive(is_alive_cl)) { | |
| 429 clear_method_row(row); | |
| 430 } | |
| 431 } | |
| 432 } | |
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433 |
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434 void VirtualCallData::clean_weak_method_links() { |
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435 ReceiverTypeData::clean_weak_method_links(); |
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436 for (uint row = 0; row < method_row_limit(); row++) { |
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437 Method* p = method(row); |
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438 if (p != NULL && !p->on_stack()) { |
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439 clear_method_row(row); |
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440 } |
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441 } |
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442 } |
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443 #endif // JVMCI |
| 9765 | 444 |
| 0 | 445 #ifndef PRODUCT |
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446 void ReceiverTypeData::print_receiver_data_on(outputStream* st) const { |
| 0 | 447 uint row; |
| 448 int entries = 0; | |
| 449 for (row = 0; row < row_limit(); row++) { | |
| 450 if (receiver(row) != NULL) entries++; | |
| 451 } | |
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452 #ifdef JVMCI |
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453 st->print_cr("count(%u) nonprofiled_count(%u) entries(%u)", count(), nonprofiled_count(), entries); |
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454 #else |
| 0 | 455 st->print_cr("count(%u) entries(%u)", count(), entries); |
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456 #endif |
| 1783 | 457 int total = count(); |
| 458 for (row = 0; row < row_limit(); row++) { | |
| 459 if (receiver(row) != NULL) { | |
| 460 total += receiver_count(row); | |
| 461 } | |
| 462 } | |
| 0 | 463 for (row = 0; row < row_limit(); row++) { |
| 464 if (receiver(row) != NULL) { | |
| 465 tab(st); | |
| 466 receiver(row)->print_value_on(st); | |
| 1783 | 467 st->print_cr("(%u %4.2f)", receiver_count(row), (float) receiver_count(row) / (float) total); |
| 0 | 468 } |
| 469 } | |
| 470 } | |
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471 void ReceiverTypeData::print_data_on(outputStream* st, const char* extra) const { |
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472 print_shared(st, "ReceiverTypeData", extra); |
| 0 | 473 print_receiver_data_on(st); |
| 474 } | |
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475 |
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476 #ifdef JVMCI |
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477 void VirtualCallData::print_method_data_on(outputStream* st) const { |
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478 uint row; |
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479 int entries = 0; |
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480 for (row = 0; row < method_row_limit(); row++) { |
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481 if (method(row) != NULL) entries++; |
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482 } |
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483 tab(st); |
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484 st->print_cr("method_entries(%u)", entries); |
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485 int total = count(); |
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486 for (row = 0; row < method_row_limit(); row++) { |
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487 if (method(row) != NULL) { |
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488 total += method_count(row); |
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489 } |
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490 } |
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491 for (row = 0; row < method_row_limit(); row++) { |
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492 if (method(row) != NULL) { |
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493 tab(st); |
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494 method(row)->print_value_on(st); |
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495 st->print_cr("(%u %4.2f)", method_count(row), (float) method_count(row) / (float) total); |
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496 } |
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497 } |
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498 } |
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499 #endif |
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500 |
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501 void VirtualCallData::print_data_on(outputStream* st, const char* extra) const { |
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502 print_shared(st, "VirtualCallData", extra); |
| 0 | 503 print_receiver_data_on(st); |
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504 #ifdef JVMCI |
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505 print_method_data_on(st); |
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506 #endif |
| 0 | 507 } |
| 508 #endif // !PRODUCT | |
| 509 | |
| 510 // ================================================================== | |
| 511 // RetData | |
| 512 // | |
| 513 // A RetData is used to access profiling information for a ret bytecode. | |
| 514 // It is composed of a count of the number of times that the ret has | |
| 515 // been executed, followed by a series of triples of the form | |
| 516 // (bci, count, di) which count the number of times that some bci was the | |
| 517 // target of the ret and cache a corresponding displacement. | |
| 518 | |
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519 void RetData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
| 0 | 520 for (uint row = 0; row < row_limit(); row++) { |
| 521 set_bci_displacement(row, -1); | |
| 522 set_bci(row, no_bci); | |
| 523 } | |
| 524 // release so other threads see a consistent state. bci is used as | |
| 525 // a valid flag for bci_displacement. | |
| 526 OrderAccess::release(); | |
| 527 } | |
| 528 | |
| 529 // This routine needs to atomically update the RetData structure, so the | |
| 530 // caller needs to hold the RetData_lock before it gets here. Since taking | |
| 531 // the lock can block (and allow GC) and since RetData is a ProfileData is a | |
| 532 // wrapper around a derived oop, taking the lock in _this_ method will | |
| 533 // basically cause the 'this' pointer's _data field to contain junk after the | |
| 534 // lock. We require the caller to take the lock before making the ProfileData | |
| 535 // structure. Currently the only caller is InterpreterRuntime::update_mdp_for_ret | |
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536 address RetData::fixup_ret(int return_bci, MethodData* h_mdo) { |
| 0 | 537 // First find the mdp which corresponds to the return bci. |
| 538 address mdp = h_mdo->bci_to_dp(return_bci); | |
| 539 | |
| 540 // Now check to see if any of the cache slots are open. | |
| 541 for (uint row = 0; row < row_limit(); row++) { | |
| 542 if (bci(row) == no_bci) { | |
| 543 set_bci_displacement(row, mdp - dp()); | |
| 544 set_bci_count(row, DataLayout::counter_increment); | |
| 545 // Barrier to ensure displacement is written before the bci; allows | |
| 546 // the interpreter to read displacement without fear of race condition. | |
| 547 release_set_bci(row, return_bci); | |
| 548 break; | |
| 549 } | |
| 550 } | |
| 551 return mdp; | |
| 552 } | |
| 553 | |
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554 #ifdef CC_INTERP |
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555 DataLayout* RetData::advance(MethodData *md, int bci) { |
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556 return (DataLayout*) md->bci_to_dp(bci); |
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557 } |
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558 #endif // CC_INTERP |
| 0 | 559 |
| 560 #ifndef PRODUCT | |
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561 void RetData::print_data_on(outputStream* st, const char* extra) const { |
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562 print_shared(st, "RetData", extra); |
| 0 | 563 uint row; |
| 564 int entries = 0; | |
| 565 for (row = 0; row < row_limit(); row++) { | |
| 566 if (bci(row) != no_bci) entries++; | |
| 567 } | |
| 568 st->print_cr("count(%u) entries(%u)", count(), entries); | |
| 569 for (row = 0; row < row_limit(); row++) { | |
| 570 if (bci(row) != no_bci) { | |
| 571 tab(st); | |
| 572 st->print_cr("bci(%d: count(%u) displacement(%d))", | |
| 573 bci(row), bci_count(row), bci_displacement(row)); | |
| 574 } | |
| 575 } | |
| 576 } | |
| 577 #endif // !PRODUCT | |
| 578 | |
| 579 // ================================================================== | |
| 580 // BranchData | |
| 581 // | |
| 582 // A BranchData is used to access profiling data for a two-way branch. | |
| 583 // It consists of taken and not_taken counts as well as a data displacement | |
| 584 // for the taken case. | |
| 585 | |
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586 void BranchData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
| 0 | 587 assert(stream->bci() == bci(), "wrong pos"); |
| 588 int target = stream->dest(); | |
| 589 int my_di = mdo->dp_to_di(dp()); | |
| 590 int target_di = mdo->bci_to_di(target); | |
| 591 int offset = target_di - my_di; | |
| 592 set_displacement(offset); | |
| 593 } | |
| 594 | |
| 595 #ifndef PRODUCT | |
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596 void BranchData::print_data_on(outputStream* st, const char* extra) const { |
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597 print_shared(st, "BranchData", extra); |
| 0 | 598 st->print_cr("taken(%u) displacement(%d)", |
| 599 taken(), displacement()); | |
| 600 tab(st); | |
| 601 st->print_cr("not taken(%u)", not_taken()); | |
| 602 } | |
| 603 #endif | |
| 604 | |
| 605 // ================================================================== | |
| 606 // MultiBranchData | |
| 607 // | |
| 608 // A MultiBranchData is used to access profiling information for | |
| 609 // a multi-way branch (*switch bytecodes). It consists of a series | |
| 610 // of (count, displacement) pairs, which count the number of times each | |
| 611 // case was taken and specify the data displacment for each branch target. | |
| 612 | |
| 613 int MultiBranchData::compute_cell_count(BytecodeStream* stream) { | |
| 614 int cell_count = 0; | |
| 615 if (stream->code() == Bytecodes::_tableswitch) { | |
| 2142 | 616 Bytecode_tableswitch sw(stream->method()(), stream->bcp()); |
| 617 cell_count = 1 + per_case_cell_count * (1 + sw.length()); // 1 for default | |
| 0 | 618 } else { |
| 2142 | 619 Bytecode_lookupswitch sw(stream->method()(), stream->bcp()); |
| 620 cell_count = 1 + per_case_cell_count * (sw.number_of_pairs() + 1); // 1 for default | |
| 0 | 621 } |
| 622 return cell_count; | |
| 623 } | |
| 624 | |
| 625 void MultiBranchData::post_initialize(BytecodeStream* stream, | |
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626 MethodData* mdo) { |
| 0 | 627 assert(stream->bci() == bci(), "wrong pos"); |
| 628 int target; | |
| 629 int my_di; | |
| 630 int target_di; | |
| 631 int offset; | |
| 632 if (stream->code() == Bytecodes::_tableswitch) { | |
| 2142 | 633 Bytecode_tableswitch sw(stream->method()(), stream->bcp()); |
| 634 int len = sw.length(); | |
| 0 | 635 assert(array_len() == per_case_cell_count * (len + 1), "wrong len"); |
| 636 for (int count = 0; count < len; count++) { | |
| 2142 | 637 target = sw.dest_offset_at(count) + bci(); |
| 0 | 638 my_di = mdo->dp_to_di(dp()); |
| 639 target_di = mdo->bci_to_di(target); | |
| 640 offset = target_di - my_di; | |
| 641 set_displacement_at(count, offset); | |
| 642 } | |
| 2142 | 643 target = sw.default_offset() + bci(); |
| 0 | 644 my_di = mdo->dp_to_di(dp()); |
| 645 target_di = mdo->bci_to_di(target); | |
| 646 offset = target_di - my_di; | |
| 647 set_default_displacement(offset); | |
| 648 | |
| 649 } else { | |
| 2142 | 650 Bytecode_lookupswitch sw(stream->method()(), stream->bcp()); |
| 651 int npairs = sw.number_of_pairs(); | |
| 0 | 652 assert(array_len() == per_case_cell_count * (npairs + 1), "wrong len"); |
| 653 for (int count = 0; count < npairs; count++) { | |
| 2142 | 654 LookupswitchPair pair = sw.pair_at(count); |
| 655 target = pair.offset() + bci(); | |
| 0 | 656 my_di = mdo->dp_to_di(dp()); |
| 657 target_di = mdo->bci_to_di(target); | |
| 658 offset = target_di - my_di; | |
| 659 set_displacement_at(count, offset); | |
| 660 } | |
| 2142 | 661 target = sw.default_offset() + bci(); |
| 0 | 662 my_di = mdo->dp_to_di(dp()); |
| 663 target_di = mdo->bci_to_di(target); | |
| 664 offset = target_di - my_di; | |
| 665 set_default_displacement(offset); | |
| 666 } | |
| 667 } | |
| 668 | |
| 669 #ifndef PRODUCT | |
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670 void MultiBranchData::print_data_on(outputStream* st, const char* extra) const { |
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671 print_shared(st, "MultiBranchData", extra); |
| 0 | 672 st->print_cr("default_count(%u) displacement(%d)", |
| 673 default_count(), default_displacement()); | |
| 674 int cases = number_of_cases(); | |
| 675 for (int i = 0; i < cases; i++) { | |
| 676 tab(st); | |
| 677 st->print_cr("count(%u) displacement(%d)", | |
| 678 count_at(i), displacement_at(i)); | |
| 679 } | |
| 680 } | |
| 681 #endif | |
| 682 | |
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683 #ifndef PRODUCT |
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684 void ArgInfoData::print_data_on(outputStream* st, const char* extra) const { |
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685 print_shared(st, "ArgInfoData", extra); |
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686 int nargs = number_of_args(); |
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687 for (int i = 0; i < nargs; i++) { |
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688 st->print(" 0x%x", arg_modified(i)); |
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689 } |
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690 st->cr(); |
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691 } |
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692 |
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693 #endif |
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694 |
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695 int ParametersTypeData::compute_cell_count(Method* m) { |
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696 if (!MethodData::profile_parameters_for_method(m)) { |
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697 return 0; |
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698 } |
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699 int max = TypeProfileParmsLimit == -1 ? INT_MAX : TypeProfileParmsLimit; |
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700 int obj_args = TypeStackSlotEntries::compute_cell_count(m->signature(), !m->is_static(), max); |
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701 if (obj_args > 0) { |
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702 return obj_args + 1; // 1 cell for array len |
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703 } |
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704 return 0; |
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705 } |
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706 |
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707 void ParametersTypeData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
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708 _parameters.post_initialize(mdo->method()->signature(), !mdo->method()->is_static(), true); |
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709 } |
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710 |
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711 bool ParametersTypeData::profiling_enabled() { |
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712 return MethodData::profile_parameters(); |
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713 } |
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714 |
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715 #ifndef PRODUCT |
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716 void ParametersTypeData::print_data_on(outputStream* st, const char* extra) const { |
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717 st->print("parameter types"); // FIXME extra ignored? |
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718 _parameters.print_data_on(st); |
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719 } |
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720 |
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721 void SpeculativeTrapData::print_data_on(outputStream* st, const char* extra) const { |
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722 print_shared(st, "SpeculativeTrapData", extra); |
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723 tab(st); |
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724 method()->print_short_name(st); |
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725 st->cr(); |
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726 } |
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727 #endif |
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728 |
| 0 | 729 // ================================================================== |
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730 // MethodData* |
| 0 | 731 // |
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732 // A MethodData* holds information which has been collected about |
| 0 | 733 // a method. |
| 734 | |
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735 MethodData* MethodData::allocate(ClassLoaderData* loader_data, methodHandle method, TRAPS) { |
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736 int size = MethodData::compute_allocation_size_in_words(method); |
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737 |
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738 return new (loader_data, size, false, MetaspaceObj::MethodDataType, THREAD) |
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739 MethodData(method(), size, CHECK_NULL); |
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740 } |
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741 |
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742 int MethodData::bytecode_cell_count(Bytecodes::Code code) { |
|
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743 #if defined(COMPILER1) && !(defined(COMPILER2) || defined(JVMCI)) |
| 8860 | 744 return no_profile_data; |
| 745 #else | |
| 0 | 746 switch (code) { |
| 747 case Bytecodes::_checkcast: | |
| 748 case Bytecodes::_instanceof: | |
| 749 case Bytecodes::_aastore: | |
| 750 if (TypeProfileCasts) { | |
| 751 return ReceiverTypeData::static_cell_count(); | |
| 752 } else { | |
| 753 return BitData::static_cell_count(); | |
| 754 } | |
| 755 case Bytecodes::_invokespecial: | |
| 756 case Bytecodes::_invokestatic: | |
|
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757 if (MethodData::profile_arguments() || MethodData::profile_return()) { |
|
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758 return variable_cell_count; |
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759 } else { |
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760 return CounterData::static_cell_count(); |
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|
761 } |
| 0 | 762 case Bytecodes::_goto: |
| 763 case Bytecodes::_goto_w: | |
| 764 case Bytecodes::_jsr: | |
| 765 case Bytecodes::_jsr_w: | |
| 766 return JumpData::static_cell_count(); | |
| 767 case Bytecodes::_invokevirtual: | |
| 768 case Bytecodes::_invokeinterface: | |
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769 if (MethodData::profile_arguments() || MethodData::profile_return()) { |
|
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770 return variable_cell_count; |
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771 } else { |
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772 return VirtualCallData::static_cell_count(); |
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773 } |
|
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|
774 case Bytecodes::_invokedynamic: |
|
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775 if (MethodData::profile_arguments() || MethodData::profile_return()) { |
|
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|
776 return variable_cell_count; |
|
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|
777 } else { |
|
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|
778 return CounterData::static_cell_count(); |
|
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|
779 } |
| 0 | 780 case Bytecodes::_ret: |
| 781 return RetData::static_cell_count(); | |
| 782 case Bytecodes::_ifeq: | |
| 783 case Bytecodes::_ifne: | |
| 784 case Bytecodes::_iflt: | |
| 785 case Bytecodes::_ifge: | |
| 786 case Bytecodes::_ifgt: | |
| 787 case Bytecodes::_ifle: | |
| 788 case Bytecodes::_if_icmpeq: | |
| 789 case Bytecodes::_if_icmpne: | |
| 790 case Bytecodes::_if_icmplt: | |
| 791 case Bytecodes::_if_icmpge: | |
| 792 case Bytecodes::_if_icmpgt: | |
| 793 case Bytecodes::_if_icmple: | |
| 794 case Bytecodes::_if_acmpeq: | |
| 795 case Bytecodes::_if_acmpne: | |
| 796 case Bytecodes::_ifnull: | |
| 797 case Bytecodes::_ifnonnull: | |
| 798 return BranchData::static_cell_count(); | |
| 799 case Bytecodes::_lookupswitch: | |
| 800 case Bytecodes::_tableswitch: | |
| 801 return variable_cell_count; | |
| 802 } | |
| 803 return no_profile_data; | |
| 8860 | 804 #endif |
| 0 | 805 } |
| 806 | |
| 807 // Compute the size of the profiling information corresponding to | |
| 808 // the current bytecode. | |
|
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809 int MethodData::compute_data_size(BytecodeStream* stream) { |
| 0 | 810 int cell_count = bytecode_cell_count(stream->code()); |
| 811 if (cell_count == no_profile_data) { | |
| 812 return 0; | |
| 813 } | |
| 814 if (cell_count == variable_cell_count) { | |
|
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|
815 switch (stream->code()) { |
|
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|
816 case Bytecodes::_lookupswitch: |
|
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|
817 case Bytecodes::_tableswitch: |
|
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818 cell_count = MultiBranchData::compute_cell_count(stream); |
|
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|
819 break; |
|
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|
820 case Bytecodes::_invokespecial: |
|
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|
821 case Bytecodes::_invokestatic: |
|
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|
822 case Bytecodes::_invokedynamic: |
|
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|
823 assert(MethodData::profile_arguments() || MethodData::profile_return(), "should be collecting args profile"); |
|
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824 if (profile_arguments_for_invoke(stream->method(), stream->bci()) || |
|
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825 profile_return_for_invoke(stream->method(), stream->bci())) { |
|
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826 cell_count = CallTypeData::compute_cell_count(stream); |
|
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|
827 } else { |
|
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|
828 cell_count = CounterData::static_cell_count(); |
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|
829 } |
|
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|
830 break; |
|
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|
831 case Bytecodes::_invokevirtual: |
|
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|
832 case Bytecodes::_invokeinterface: { |
|
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833 assert(MethodData::profile_arguments() || MethodData::profile_return(), "should be collecting args profile"); |
|
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834 if (profile_arguments_for_invoke(stream->method(), stream->bci()) || |
|
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835 profile_return_for_invoke(stream->method(), stream->bci())) { |
|
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836 cell_count = VirtualCallTypeData::compute_cell_count(stream); |
|
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|
837 } else { |
|
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|
838 cell_count = VirtualCallData::static_cell_count(); |
|
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|
839 } |
|
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|
840 break; |
|
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|
841 } |
|
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|
842 default: |
|
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|
843 fatal("unexpected bytecode for var length profile data"); |
|
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|
844 } |
| 0 | 845 } |
| 846 // Note: cell_count might be zero, meaning that there is just | |
| 847 // a DataLayout header, with no extra cells. | |
| 848 assert(cell_count >= 0, "sanity"); | |
| 849 return DataLayout::compute_size_in_bytes(cell_count); | |
| 850 } | |
| 851 | |
|
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|
852 bool MethodData::is_speculative_trap_bytecode(Bytecodes::Code code) { |
|
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853 // Bytecodes for which we may use speculation |
|
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854 switch (code) { |
|
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855 case Bytecodes::_checkcast: |
|
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856 case Bytecodes::_instanceof: |
|
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857 case Bytecodes::_aastore: |
|
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858 case Bytecodes::_invokevirtual: |
|
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859 case Bytecodes::_invokeinterface: |
|
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860 case Bytecodes::_if_acmpeq: |
|
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861 case Bytecodes::_if_acmpne: |
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862 case Bytecodes::_invokestatic: |
|
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|
863 #ifdef COMPILER2 |
|
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864 return UseTypeSpeculation; |
|
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|
865 #endif |
|
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|
866 default: |
|
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|
867 return false; |
|
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|
868 } |
|
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|
869 return false; |
|
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|
870 } |
|
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|
871 |
|
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872 #ifdef JVMCI |
| 18041 | 873 int MethodData::compute_extra_data_count(int data_size, int empty_bc_count, bool needs_speculative_traps) { |
|
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|
874 if (!ProfileTraps) return 0; |
|
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875 |
|
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876 // Assume that up to 30% of the possibly trapping BCIs with no MDP will need to allocate one. |
| 18041 | 877 int extra_data_count = MIN2(empty_bc_count, MAX2(4, (empty_bc_count * 30) / 100)); |
| 878 | |
| 879 // Make sure we have a minimum number of extra data slots to | |
| 880 // allocate SpeculativeTrapData entries. We would want to have one | |
| 881 // entry per compilation that inlines this method and for which | |
| 882 // some type speculation assumption fails. So the room we need for | |
| 883 // the SpeculativeTrapData entries doesn't directly depend on the | |
| 884 // size of the method. Because it's hard to estimate, we reserve | |
| 885 // space for an arbitrary number of entries. | |
| 886 int spec_data_count = (needs_speculative_traps ? SpecTrapLimitExtraEntries : 0) * | |
| 887 (SpeculativeTrapData::static_cell_count() + DataLayout::header_size_in_cells()); | |
| 888 | |
| 889 return MAX2(extra_data_count, spec_data_count); | |
|
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890 } |
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891 #else |
|
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892 int MethodData::compute_extra_data_count(int data_size, int empty_bc_count, bool needs_speculative_traps) { |
| 0 | 893 if (ProfileTraps) { |
| 894 // Assume that up to 3% of BCIs with no MDP will need to allocate one. | |
| 895 int extra_data_count = (uint)(empty_bc_count * 3) / 128 + 1; | |
| 896 // If the method is large, let the extra BCIs grow numerous (to ~1%). | |
| 897 int one_percent_of_data | |
| 898 = (uint)data_size / (DataLayout::header_size_in_bytes()*128); | |
| 899 if (extra_data_count < one_percent_of_data) | |
| 900 extra_data_count = one_percent_of_data; | |
| 901 if (extra_data_count > empty_bc_count) | |
| 902 extra_data_count = empty_bc_count; // no need for more | |
|
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|
903 |
|
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changeset
|
904 // Make sure we have a minimum number of extra data slots to |
|
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905 // allocate SpeculativeTrapData entries. We would want to have one |
|
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906 // entry per compilation that inlines this method and for which |
|
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|
907 // some type speculation assumption fails. So the room we need for |
|
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|
908 // the SpeculativeTrapData entries doesn't directly depend on the |
|
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|
909 // size of the method. Because it's hard to estimate, we reserve |
|
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|
910 // space for an arbitrary number of entries. |
|
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|
911 int spec_data_count = (needs_speculative_traps ? SpecTrapLimitExtraEntries : 0) * |
|
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912 (SpeculativeTrapData::static_cell_count() + DataLayout::header_size_in_cells()); |
|
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|
913 |
|
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|
914 return MAX2(extra_data_count, spec_data_count); |
| 0 | 915 } else { |
| 916 return 0; | |
| 917 } | |
| 918 } | |
|
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|
919 #endif |
| 0 | 920 |
|
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921 // Compute the size of the MethodData* necessary to store |
| 0 | 922 // profiling information about a given method. Size is in bytes. |
|
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923 int MethodData::compute_allocation_size_in_bytes(methodHandle method) { |
| 0 | 924 int data_size = 0; |
| 925 BytecodeStream stream(method); | |
| 926 Bytecodes::Code c; | |
| 927 int empty_bc_count = 0; // number of bytecodes lacking data | |
|
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928 bool needs_speculative_traps = false; |
| 0 | 929 while ((c = stream.next()) >= 0) { |
| 930 int size_in_bytes = compute_data_size(&stream); | |
| 931 data_size += size_in_bytes; | |
|
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|
932 if (size_in_bytes == 0 JVMCI_ONLY(&& Bytecodes::can_trap(c))) empty_bc_count += 1; |
|
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933 needs_speculative_traps = needs_speculative_traps || is_speculative_trap_bytecode(c); |
| 0 | 934 } |
| 935 int object_size = in_bytes(data_offset()) + data_size; | |
| 936 | |
| 937 // Add some extra DataLayout cells (at least one) to track stray traps. | |
|
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938 int extra_data_count = compute_extra_data_count(data_size, empty_bc_count, needs_speculative_traps); |
| 0 | 939 object_size += extra_data_count * DataLayout::compute_size_in_bytes(0); |
| 940 | |
|
45
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|
941 // Add a cell to record information about modified arguments. |
|
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|
942 int arg_size = method->size_of_parameters(); |
|
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943 object_size += DataLayout::compute_size_in_bytes(arg_size+1); |
|
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|
944 |
|
12962
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|
945 // Reserve room for an area of the MDO dedicated to profiling of |
|
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|
946 // parameters |
|
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|
947 int args_cell = ParametersTypeData::compute_cell_count(method()); |
|
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|
948 if (args_cell > 0) { |
|
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|
949 object_size += DataLayout::compute_size_in_bytes(args_cell); |
|
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|
950 } |
| 0 | 951 return object_size; |
| 952 } | |
| 953 | |
|
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|
954 // Compute the size of the MethodData* necessary to store |
| 0 | 955 // profiling information about a given method. Size is in words |
|
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|
956 int MethodData::compute_allocation_size_in_words(methodHandle method) { |
| 0 | 957 int byte_size = compute_allocation_size_in_bytes(method); |
| 958 int word_size = align_size_up(byte_size, BytesPerWord) / BytesPerWord; | |
| 959 return align_object_size(word_size); | |
| 960 } | |
| 961 | |
| 962 // Initialize an individual data segment. Returns the size of | |
| 963 // the segment in bytes. | |
|
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964 int MethodData::initialize_data(BytecodeStream* stream, |
| 0 | 965 int data_index) { |
|
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966 #if defined(COMPILER1) && !(defined(COMPILER2) || defined(JVMCI)) |
| 8860 | 967 return 0; |
| 968 #else | |
| 0 | 969 int cell_count = -1; |
| 970 int tag = DataLayout::no_tag; | |
| 971 DataLayout* data_layout = data_layout_at(data_index); | |
| 972 Bytecodes::Code c = stream->code(); | |
| 973 switch (c) { | |
| 974 case Bytecodes::_checkcast: | |
| 975 case Bytecodes::_instanceof: | |
| 976 case Bytecodes::_aastore: | |
| 977 if (TypeProfileCasts) { | |
| 978 cell_count = ReceiverTypeData::static_cell_count(); | |
| 979 tag = DataLayout::receiver_type_data_tag; | |
| 980 } else { | |
| 981 cell_count = BitData::static_cell_count(); | |
| 982 tag = DataLayout::bit_data_tag; | |
| 983 } | |
| 984 break; | |
| 985 case Bytecodes::_invokespecial: | |
|
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986 case Bytecodes::_invokestatic: { |
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987 int counter_data_cell_count = CounterData::static_cell_count(); |
|
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988 if (profile_arguments_for_invoke(stream->method(), stream->bci()) || |
|
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989 profile_return_for_invoke(stream->method(), stream->bci())) { |
|
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990 cell_count = CallTypeData::compute_cell_count(stream); |
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991 } else { |
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992 cell_count = counter_data_cell_count; |
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993 } |
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994 if (cell_count > counter_data_cell_count) { |
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995 tag = DataLayout::call_type_data_tag; |
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996 } else { |
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997 tag = DataLayout::counter_data_tag; |
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|
998 } |
| 0 | 999 break; |
|
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|
1000 } |
| 0 | 1001 case Bytecodes::_goto: |
| 1002 case Bytecodes::_goto_w: | |
| 1003 case Bytecodes::_jsr: | |
| 1004 case Bytecodes::_jsr_w: | |
| 1005 cell_count = JumpData::static_cell_count(); | |
| 1006 tag = DataLayout::jump_data_tag; | |
| 1007 break; | |
| 1008 case Bytecodes::_invokevirtual: | |
|
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1009 case Bytecodes::_invokeinterface: { |
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|
1010 int virtual_call_data_cell_count = VirtualCallData::static_cell_count(); |
|
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1011 if (profile_arguments_for_invoke(stream->method(), stream->bci()) || |
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1012 profile_return_for_invoke(stream->method(), stream->bci())) { |
|
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1013 cell_count = VirtualCallTypeData::compute_cell_count(stream); |
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1014 } else { |
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1015 cell_count = virtual_call_data_cell_count; |
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1016 } |
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1017 if (cell_count > virtual_call_data_cell_count) { |
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1018 tag = DataLayout::virtual_call_type_data_tag; |
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1019 } else { |
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1020 tag = DataLayout::virtual_call_data_tag; |
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1021 } |
| 0 | 1022 break; |
|
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1023 } |
|
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1024 case Bytecodes::_invokedynamic: { |
|
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1025 // %%% should make a type profile for any invokedynamic that takes a ref argument |
|
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1026 int counter_data_cell_count = CounterData::static_cell_count(); |
|
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1027 if (profile_arguments_for_invoke(stream->method(), stream->bci()) || |
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1028 profile_return_for_invoke(stream->method(), stream->bci())) { |
|
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1029 cell_count = CallTypeData::compute_cell_count(stream); |
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1030 } else { |
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1031 cell_count = counter_data_cell_count; |
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1032 } |
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1033 if (cell_count > counter_data_cell_count) { |
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1034 tag = DataLayout::call_type_data_tag; |
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1035 } else { |
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1036 tag = DataLayout::counter_data_tag; |
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1037 } |
|
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1038 break; |
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1039 } |
| 0 | 1040 case Bytecodes::_ret: |
| 1041 cell_count = RetData::static_cell_count(); | |
| 1042 tag = DataLayout::ret_data_tag; | |
| 1043 break; | |
| 1044 case Bytecodes::_ifeq: | |
| 1045 case Bytecodes::_ifne: | |
| 1046 case Bytecodes::_iflt: | |
| 1047 case Bytecodes::_ifge: | |
| 1048 case Bytecodes::_ifgt: | |
| 1049 case Bytecodes::_ifle: | |
| 1050 case Bytecodes::_if_icmpeq: | |
| 1051 case Bytecodes::_if_icmpne: | |
| 1052 case Bytecodes::_if_icmplt: | |
| 1053 case Bytecodes::_if_icmpge: | |
| 1054 case Bytecodes::_if_icmpgt: | |
| 1055 case Bytecodes::_if_icmple: | |
| 1056 case Bytecodes::_if_acmpeq: | |
| 1057 case Bytecodes::_if_acmpne: | |
| 1058 case Bytecodes::_ifnull: | |
| 1059 case Bytecodes::_ifnonnull: | |
| 1060 cell_count = BranchData::static_cell_count(); | |
| 1061 tag = DataLayout::branch_data_tag; | |
| 1062 break; | |
| 1063 case Bytecodes::_lookupswitch: | |
| 1064 case Bytecodes::_tableswitch: | |
| 1065 cell_count = MultiBranchData::compute_cell_count(stream); | |
| 1066 tag = DataLayout::multi_branch_data_tag; | |
| 1067 break; | |
| 1068 } | |
| 1069 assert(tag == DataLayout::multi_branch_data_tag || | |
|
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1070 ((MethodData::profile_arguments() || MethodData::profile_return()) && |
|
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1071 (tag == DataLayout::call_type_data_tag || |
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1072 tag == DataLayout::counter_data_tag || |
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1073 tag == DataLayout::virtual_call_type_data_tag || |
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1074 tag == DataLayout::virtual_call_data_tag)) || |
| 0 | 1075 cell_count == bytecode_cell_count(c), "cell counts must agree"); |
| 1076 if (cell_count >= 0) { | |
| 1077 assert(tag != DataLayout::no_tag, "bad tag"); | |
| 1078 assert(bytecode_has_profile(c), "agree w/ BHP"); | |
| 1079 data_layout->initialize(tag, stream->bci(), cell_count); | |
| 1080 return DataLayout::compute_size_in_bytes(cell_count); | |
| 1081 } else { | |
| 1082 assert(!bytecode_has_profile(c), "agree w/ !BHP"); | |
| 1083 return 0; | |
| 1084 } | |
| 8860 | 1085 #endif |
| 0 | 1086 } |
| 1087 | |
| 1088 // Get the data at an arbitrary (sort of) data index. | |
|
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1089 ProfileData* MethodData::data_at(int data_index) const { |
| 0 | 1090 if (out_of_bounds(data_index)) { |
| 1091 return NULL; | |
| 1092 } | |
| 1093 DataLayout* data_layout = data_layout_at(data_index); | |
| 941 | 1094 return data_layout->data_in(); |
| 1095 } | |
| 0 | 1096 |
| 941 | 1097 ProfileData* DataLayout::data_in() { |
| 1098 switch (tag()) { | |
| 0 | 1099 case DataLayout::no_tag: |
| 1100 default: | |
| 1101 ShouldNotReachHere(); | |
| 1102 return NULL; | |
| 1103 case DataLayout::bit_data_tag: | |
| 941 | 1104 return new BitData(this); |
| 0 | 1105 case DataLayout::counter_data_tag: |
| 941 | 1106 return new CounterData(this); |
| 0 | 1107 case DataLayout::jump_data_tag: |
| 941 | 1108 return new JumpData(this); |
| 0 | 1109 case DataLayout::receiver_type_data_tag: |
| 941 | 1110 return new ReceiverTypeData(this); |
| 0 | 1111 case DataLayout::virtual_call_data_tag: |
| 941 | 1112 return new VirtualCallData(this); |
| 0 | 1113 case DataLayout::ret_data_tag: |
| 941 | 1114 return new RetData(this); |
| 0 | 1115 case DataLayout::branch_data_tag: |
| 941 | 1116 return new BranchData(this); |
| 0 | 1117 case DataLayout::multi_branch_data_tag: |
| 941 | 1118 return new MultiBranchData(this); |
|
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1119 case DataLayout::arg_info_data_tag: |
| 941 | 1120 return new ArgInfoData(this); |
|
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1121 case DataLayout::call_type_data_tag: |
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1122 return new CallTypeData(this); |
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1123 case DataLayout::virtual_call_type_data_tag: |
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1124 return new VirtualCallTypeData(this); |
|
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1125 case DataLayout::parameters_type_data_tag: |
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1126 return new ParametersTypeData(this); |
| 0 | 1127 }; |
| 1128 } | |
| 1129 | |
| 1130 // Iteration over data. | |
|
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1131 ProfileData* MethodData::next_data(ProfileData* current) const { |
| 0 | 1132 int current_index = dp_to_di(current->dp()); |
| 1133 int next_index = current_index + current->size_in_bytes(); | |
| 1134 ProfileData* next = data_at(next_index); | |
| 1135 return next; | |
| 1136 } | |
| 1137 | |
| 1138 // Give each of the data entries a chance to perform specific | |
| 1139 // data initialization. | |
|
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1140 void MethodData::post_initialize(BytecodeStream* stream) { |
| 0 | 1141 ResourceMark rm; |
| 1142 ProfileData* data; | |
| 1143 for (data = first_data(); is_valid(data); data = next_data(data)) { | |
| 1144 stream->set_start(data->bci()); | |
| 1145 stream->next(); | |
| 1146 data->post_initialize(stream, this); | |
| 1147 } | |
|
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1148 if (_parameters_type_data_di != -1) { |
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1149 parameters_type_data()->post_initialize(NULL, this); |
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1150 } |
| 0 | 1151 } |
| 1152 | |
|
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1153 // Initialize the MethodData* corresponding to a given method. |
|
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1154 MethodData::MethodData(methodHandle method, int size, TRAPS) |
|
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1155 : _extra_data_lock(Monitor::leaf, "MDO extra data lock") { |
|
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1156 // Set the method back-pointer. |
|
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1157 _method = method(); |
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1158 initialize(); |
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1159 } |
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1160 |
|
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1161 void MethodData::initialize() { |
|
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1162 No_Safepoint_Verifier no_safepoint; // init function atomic wrt GC |
| 0 | 1163 ResourceMark rm; |
| 1783 | 1164 |
|
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1165 init(); |
| 0 | 1166 set_creation_mileage(mileage_of(method())); |
| 1167 | |
| 1168 // Go through the bytecodes and allocate and initialize the | |
| 1169 // corresponding data cells. | |
| 1170 int data_size = 0; | |
| 1171 int empty_bc_count = 0; // number of bytecodes lacking data | |
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1172 _data[0] = 0; // apparently not set below. |
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1173 BytecodeStream stream(method()); |
| 0 | 1174 Bytecodes::Code c; |
|
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1175 bool needs_speculative_traps = false; |
| 0 | 1176 while ((c = stream.next()) >= 0) { |
| 1177 int size_in_bytes = initialize_data(&stream, data_size); | |
| 1178 data_size += size_in_bytes; | |
|
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1179 if (size_in_bytes == 0 JVMCI_ONLY(&& Bytecodes::can_trap(c))) empty_bc_count += 1; |
|
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1180 needs_speculative_traps = needs_speculative_traps || is_speculative_trap_bytecode(c); |
| 0 | 1181 } |
| 1182 _data_size = data_size; | |
| 1183 int object_size = in_bytes(data_offset()) + data_size; | |
| 1184 | |
| 1185 // Add some extra DataLayout cells (at least one) to track stray traps. | |
|
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1186 int extra_data_count = compute_extra_data_count(data_size, empty_bc_count, needs_speculative_traps); |
|
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1187 int extra_size = extra_data_count * DataLayout::compute_size_in_bytes(0); |
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1188 |
|
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|
1189 // Let's zero the space for the extra data |
|
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|
1190 Copy::zero_to_bytes(((address)_data) + data_size, extra_size); |
|
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|
1191 |
|
45
48a3fa21394b
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diff
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|
1192 // Add a cell to record information about modified arguments. |
|
48a3fa21394b
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0
diff
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|
1193 // Set up _args_modified array after traps cells so that |
|
48a3fa21394b
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diff
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|
1194 // the code for traps cells works. |
|
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diff
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|
1195 DataLayout *dp = data_layout_at(data_size + extra_size); |
|
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diff
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|
1196 |
| 8615 | 1197 int arg_size = method()->size_of_parameters(); |
|
45
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|
1198 dp->initialize(DataLayout::arg_info_data_tag, 0, arg_size+1); |
|
48a3fa21394b
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diff
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|
1199 |
|
12962
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|
1200 int arg_data_size = DataLayout::compute_size_in_bytes(arg_size+1); |
|
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|
1201 object_size += extra_size + arg_data_size; |
|
5ccbab1c69f3
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|
1202 |
|
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|
1203 int parms_cell = ParametersTypeData::compute_cell_count(method()); |
|
12962
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diff
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|
1204 // If we are profiling parameters, we reserver an area near the end |
|
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12882
diff
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|
1205 // of the MDO after the slots for bytecodes (because there's no bci |
|
5ccbab1c69f3
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parents:
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diff
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|
1206 // for method entry so they don't fit with the framework for the |
|
5ccbab1c69f3
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diff
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|
1207 // profiling of bytecodes). We store the offset within the MDO of |
|
5ccbab1c69f3
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|
1208 // this area (or -1 if no parameter is profiled) |
|
17728
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|
1209 if (parms_cell > 0) { |
|
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|
1210 object_size += DataLayout::compute_size_in_bytes(parms_cell); |
|
12962
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|
1211 _parameters_type_data_di = data_size + extra_size + arg_data_size; |
|
5ccbab1c69f3
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|
1212 DataLayout *dp = data_layout_at(data_size + extra_size + arg_data_size); |
|
17728
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|
1213 dp->initialize(DataLayout::parameters_type_data_tag, 0, parms_cell); |
|
12962
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|
1214 } else { |
|
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|
1215 _parameters_type_data_di = -1; |
|
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|
1216 } |
| 0 | 1217 |
| 1218 // Set an initial hint. Don't use set_hint_di() because | |
| 1219 // first_di() may be out of bounds if data_size is 0. | |
| 1220 // In that situation, _hint_di is never used, but at | |
| 1221 // least well-defined. | |
| 1222 _hint_di = first_di(); | |
| 1223 | |
| 1224 post_initialize(&stream); | |
| 1225 | |
|
13181
389d40d7d99f
fixed bug in MethodData and added assertion that precomputed size == initialized size
Doug Simon <doug.simon@oracle.com>
parents:
13108
diff
changeset
|
1226 assert(object_size == compute_allocation_size_in_bytes(methodHandle(_method)), "MethodData: computed size != initialized size"); |
|
6725
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|
1227 set_size(object_size); |
|
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|
1228 } |
|
8712
3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
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7956
diff
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|
1229 |
|
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|
1230 void MethodData::init() { |
|
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|
1231 _invocation_counter.init(); |
|
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|
1232 _backedge_counter.init(); |
|
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|
1233 _invocation_counter_start = 0; |
|
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|
1234 _backedge_counter_start = 0; |
|
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|
1235 _num_loops = 0; |
|
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|
1236 _num_blocks = 0; |
|
20651
600c44255e5f
8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'
thartmann
parents:
20457
diff
changeset
|
1237 _would_profile = unknown; |
|
9080
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iignatyev
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diff
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|
1238 |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21545
diff
changeset
|
1239 #ifdef JVMCI |
|
21545
a04dfbf81bc4
removed dependency from JVMCI class HotSpotProfilingInfo to non-JVMCI class StructuredGraph (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
20804
diff
changeset
|
1240 _jvmci_ir_size = 0; |
|
14543
12eaf1a47a90
removed ResolvedJavaMethod.getCompilerStorage(); moved last compiled graph node count into profiling info (i.e. MethodData metadata)
Doug Simon <doug.simon@oracle.com>
parents:
14518
diff
changeset
|
1241 #endif |
|
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|
1242 |
| 17780 | 1243 #if INCLUDE_RTM_OPT |
| 1244 _rtm_state = NoRTM; // No RTM lock eliding by default | |
| 1245 if (UseRTMLocking && | |
| 1246 !CompilerOracle::has_option_string(_method, "NoRTMLockEliding")) { | |
| 1247 if (CompilerOracle::has_option_string(_method, "UseRTMLockEliding") || !UseRTMDeopt) { | |
| 1248 // Generate RTM lock eliding code without abort ratio calculation code. | |
| 1249 _rtm_state = UseRTM; | |
| 1250 } else if (UseRTMDeopt) { | |
| 1251 // Generate RTM lock eliding code and include abort ratio calculation | |
| 1252 // code if UseRTMDeopt is on. | |
| 1253 _rtm_state = ProfileRTM; | |
| 1254 } | |
| 1255 } | |
| 1256 #endif | |
| 1257 | |
|
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|
1258 // Initialize flags and trap history. |
|
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|
1259 _nof_decompiles = 0; |
|
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|
1260 _nof_overflow_recompiles = 0; |
|
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|
1261 _nof_overflow_traps = 0; |
|
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|
1262 clear_escape_info(); |
|
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|
1263 assert(sizeof(_trap_hist) % sizeof(HeapWord) == 0, "align"); |
|
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|
1264 Copy::zero_to_words((HeapWord*) &_trap_hist, |
|
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|
1265 sizeof(_trap_hist) / sizeof(HeapWord)); |
| 0 | 1266 } |
| 1267 | |
| 1268 // Get a measure of how much mileage the method has on it. | |
|
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|
1269 int MethodData::mileage_of(Method* method) { |
| 0 | 1270 int mileage = 0; |
| 1783 | 1271 if (TieredCompilation) { |
| 1272 mileage = MAX2(method->invocation_count(), method->backedge_count()); | |
| 1273 } else { | |
| 1274 int iic = method->interpreter_invocation_count(); | |
| 1275 if (mileage < iic) mileage = iic; | |
|
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8860
diff
changeset
|
1276 MethodCounters* mcs = method->method_counters(); |
|
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8860
diff
changeset
|
1277 if (mcs != NULL) { |
|
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
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diff
changeset
|
1278 InvocationCounter* ic = mcs->invocation_counter(); |
|
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8860
diff
changeset
|
1279 InvocationCounter* bc = mcs->backedge_counter(); |
|
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8860
diff
changeset
|
1280 int icval = ic->count(); |
|
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8860
diff
changeset
|
1281 if (ic->carry()) icval += CompileThreshold; |
|
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8860
diff
changeset
|
1282 if (mileage < icval) mileage = icval; |
|
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8860
diff
changeset
|
1283 int bcval = bc->count(); |
|
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8860
diff
changeset
|
1284 if (bc->carry()) bcval += CompileThreshold; |
|
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8860
diff
changeset
|
1285 if (mileage < bcval) mileage = bcval; |
|
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
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diff
changeset
|
1286 } |
| 1783 | 1287 } |
| 0 | 1288 return mileage; |
| 1289 } | |
| 1290 | |
|
6725
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6964458: Reimplement class meta-data storage to use native memory
coleenp
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changeset
|
1291 bool MethodData::is_mature() const { |
| 1783 | 1292 return CompilationPolicy::policy()->is_mature(_method); |
| 0 | 1293 } |
| 1294 | |
| 1295 // Translate a bci to its corresponding data index (di). | |
|
6725
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changeset
|
1296 address MethodData::bci_to_dp(int bci) { |
| 0 | 1297 ResourceMark rm; |
| 1298 ProfileData* data = data_before(bci); | |
| 1299 ProfileData* prev = NULL; | |
| 1300 for ( ; is_valid(data); data = next_data(data)) { | |
| 1301 if (data->bci() >= bci) { | |
| 1302 if (data->bci() == bci) set_hint_di(dp_to_di(data->dp())); | |
| 1303 else if (prev != NULL) set_hint_di(dp_to_di(prev->dp())); | |
| 1304 return data->dp(); | |
| 1305 } | |
| 1306 prev = data; | |
| 1307 } | |
| 1308 return (address)limit_data_position(); | |
| 1309 } | |
| 1310 | |
| 1311 // Translate a bci to its corresponding data, or NULL. | |
|
6725
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coleenp
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diff
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|
1312 ProfileData* MethodData::bci_to_data(int bci) { |
| 0 | 1313 ProfileData* data = data_before(bci); |
| 1314 for ( ; is_valid(data); data = next_data(data)) { | |
| 1315 if (data->bci() == bci) { | |
| 1316 set_hint_di(dp_to_di(data->dp())); | |
| 1317 return data; | |
| 1318 } else if (data->bci() > bci) { | |
| 1319 break; | |
| 1320 } | |
| 1321 } | |
|
17728
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roland
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|
1322 return bci_to_extra_data(bci, NULL, false); |
| 0 | 1323 } |
| 1324 | |
|
17728
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|
1325 DataLayout* MethodData::next_extra(DataLayout* dp) { |
|
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|
1326 int nb_cells = 0; |
|
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|
1327 switch(dp->tag()) { |
|
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|
1328 case DataLayout::bit_data_tag: |
|
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|
1329 case DataLayout::no_tag: |
|
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|
1330 nb_cells = BitData::static_cell_count(); |
|
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|
1331 break; |
|
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|
1332 case DataLayout::speculative_trap_data_tag: |
|
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|
1333 nb_cells = SpeculativeTrapData::static_cell_count(); |
|
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roland
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|
1334 break; |
|
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|
1335 default: |
|
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|
1336 fatal(err_msg("unexpected tag %d", dp->tag())); |
|
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|
1337 } |
|
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|
1338 return (DataLayout*)((address)dp + DataLayout::compute_size_in_bytes(nb_cells)); |
|
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|
1339 } |
|
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|
1340 |
|
17733
1a43981d86ea
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents:
17728
diff
changeset
|
1341 ProfileData* MethodData::bci_to_extra_data_helper(int bci, Method* m, DataLayout*& dp, bool concurrent) { |
|
17728
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|
1342 DataLayout* end = extra_data_limit(); |
|
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|
1343 |
|
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changeset
|
1344 for (;; dp = next_extra(dp)) { |
|
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|
1345 assert(dp < end, "moved past end of extra data"); |
| 0 | 1346 // No need for "OrderAccess::load_acquire" ops, |
| 1347 // since the data structure is monotonic. | |
|
17728
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|
1348 switch(dp->tag()) { |
|
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|
1349 case DataLayout::no_tag: |
|
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|
1350 return NULL; |
|
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changeset
|
1351 case DataLayout::arg_info_data_tag: |
|
b8413a9cbb84
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|
1352 dp = end; |
|
b8413a9cbb84
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changeset
|
1353 return NULL; // ArgInfoData is at the end of extra data section. |
|
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|
1354 case DataLayout::bit_data_tag: |
|
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|
1355 if (m == NULL && dp->bci() == bci) { |
|
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|
1356 return new BitData(dp); |
|
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|
1357 } |
|
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1358 break; |
|
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1359 case DataLayout::speculative_trap_data_tag: |
|
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1360 if (m != NULL) { |
|
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1361 SpeculativeTrapData* data = new SpeculativeTrapData(dp); |
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1362 // data->method() may be null in case of a concurrent |
|
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1363 // allocation. Maybe it's for the same method. Try to use that |
|
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1364 // entry in that case. |
|
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1365 if (dp->bci() == bci) { |
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1366 if (data->method() == NULL) { |
|
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1367 assert(concurrent, "impossible because no concurrent allocation"); |
|
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1368 return NULL; |
|
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1369 } else if (data->method() == m) { |
|
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1370 return data; |
|
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1371 } |
|
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1372 } |
|
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1373 } |
|
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1374 break; |
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1375 default: |
|
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1376 fatal(err_msg("unexpected tag %d", dp->tag())); |
| 0 | 1377 } |
| 1378 } | |
|
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1379 return NULL; |
|
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1380 } |
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1381 |
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1382 |
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1383 // Translate a bci to its corresponding extra data, or NULL. |
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1384 ProfileData* MethodData::bci_to_extra_data(int bci, Method* m, bool create_if_missing) { |
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1385 // This code assumes an entry for a SpeculativeTrapData is 2 cells |
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1386 assert(2*DataLayout::compute_size_in_bytes(BitData::static_cell_count()) == |
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1387 DataLayout::compute_size_in_bytes(SpeculativeTrapData::static_cell_count()), |
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1388 "code needs to be adjusted"); |
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1389 |
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1390 DataLayout* dp = extra_data_base(); |
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1391 DataLayout* end = extra_data_limit(); |
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1392 |
|
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1393 // Allocation in the extra data space has to be atomic because not |
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1394 // all entries have the same size and non atomic concurrent |
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1395 // allocation would result in a corrupted extra data space. |
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1396 ProfileData* result = bci_to_extra_data_helper(bci, m, dp, true); |
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1397 if (result != NULL) { |
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1398 return result; |
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1399 } |
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1400 |
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1401 if (create_if_missing && dp < end) { |
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1402 MutexLocker ml(&_extra_data_lock); |
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1403 // Check again now that we have the lock. Another thread may |
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1404 // have added extra data entries. |
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1405 ProfileData* result = bci_to_extra_data_helper(bci, m, dp, false); |
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1406 if (result != NULL || dp >= end) { |
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1407 return result; |
|
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1408 } |
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1409 |
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1410 assert(dp->tag() == DataLayout::no_tag || (dp->tag() == DataLayout::speculative_trap_data_tag && m != NULL), "should be free"); |
|
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1411 assert(next_extra(dp)->tag() == DataLayout::no_tag || next_extra(dp)->tag() == DataLayout::arg_info_data_tag, "should be free or arg info"); |
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1412 u1 tag = m == NULL ? DataLayout::bit_data_tag : DataLayout::speculative_trap_data_tag; |
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1413 // SpeculativeTrapData is 2 slots. Make sure we have room. |
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1414 if (m != NULL && next_extra(dp)->tag() != DataLayout::no_tag) { |
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1415 return NULL; |
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1416 } |
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1417 DataLayout temp; |
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1418 temp.initialize(tag, bci, 0); |
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1419 |
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1420 dp->set_header(temp.header()); |
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1421 assert(dp->tag() == tag, "sane"); |
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1422 assert(dp->bci() == bci, "no concurrent allocation"); |
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1423 if (tag == DataLayout::bit_data_tag) { |
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1424 return new BitData(dp); |
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1425 } else { |
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1426 SpeculativeTrapData* data = new SpeculativeTrapData(dp); |
|
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1427 data->set_method(m); |
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1428 return data; |
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1429 } |
| 0 | 1430 } |
| 1431 return NULL; | |
| 1432 } | |
| 1433 | |
|
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1434 ArgInfoData *MethodData::arg_info() { |
|
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1435 DataLayout* dp = extra_data_base(); |
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1436 DataLayout* end = extra_data_limit(); |
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1437 for (; dp < end; dp = next_extra(dp)) { |
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1438 if (dp->tag() == DataLayout::arg_info_data_tag) |
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1439 return new ArgInfoData(dp); |
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1440 } |
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1441 return NULL; |
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1442 } |
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1443 |
|
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1444 // Printing |
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1445 |
| 0 | 1446 #ifndef PRODUCT |
|
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1447 |
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1448 void MethodData::print_on(outputStream* st) const { |
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1449 assert(is_methodData(), "should be method data"); |
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1450 st->print("method data for "); |
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1451 method()->print_value_on(st); |
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1452 st->cr(); |
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1453 print_data_on(st); |
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1454 } |
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1455 |
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1456 #endif //PRODUCT |
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1457 |
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1458 void MethodData::print_value_on(outputStream* st) const { |
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1459 assert(is_methodData(), "should be method data"); |
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1460 st->print("method data for "); |
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1461 method()->print_value_on(st); |
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1462 } |
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1463 |
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1464 #ifndef PRODUCT |
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1465 void MethodData::print_data_on(outputStream* st) const { |
| 0 | 1466 ResourceMark rm; |
| 1467 ProfileData* data = first_data(); | |
|
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1468 if (_parameters_type_data_di != -1) { |
|
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1469 parameters_type_data()->print_data_on(st); |
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1470 } |
| 0 | 1471 for ( ; is_valid(data); data = next_data(data)) { |
| 1472 st->print("%d", dp_to_di(data->dp())); | |
| 1473 st->fill_to(6); | |
|
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1474 data->print_data_on(st, this); |
| 0 | 1475 } |
|
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1476 st->print_cr("--- Extra data:"); |
| 0 | 1477 DataLayout* dp = extra_data_base(); |
| 1478 DataLayout* end = extra_data_limit(); | |
|
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changeset
|
1479 for (;; dp = next_extra(dp)) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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|
1480 assert(dp < end, "moved past end of extra data"); |
| 0 | 1481 // No need for "OrderAccess::load_acquire" ops, |
| 1482 // since the data structure is monotonic. | |
|
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|
1483 switch(dp->tag()) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
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|
1484 case DataLayout::no_tag: |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
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|
1485 continue; |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
changeset
|
1486 case DataLayout::bit_data_tag: |
|
45
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
1487 data = new BitData(dp); |
|
17728
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|
1488 break; |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
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diff
changeset
|
1489 case DataLayout::speculative_trap_data_tag: |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
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|
1490 data = new SpeculativeTrapData(dp); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1491 break; |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1492 case DataLayout::arg_info_data_tag: |
|
45
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
1493 data = new ArgInfoData(dp); |
|
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
1494 dp = end; // ArgInfoData is at the end of extra data section. |
|
17728
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roland
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diff
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|
1495 break; |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1496 default: |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1497 fatal(err_msg("unexpected tag %d", dp->tag())); |
|
45
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
1498 } |
| 0 | 1499 st->print("%d", dp_to_di(data->dp())); |
| 1500 st->fill_to(6); | |
| 1501 data->print_data_on(st); | |
|
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|
1502 if (dp >= end) return; |
| 0 | 1503 } |
| 1504 } | |
| 1505 #endif | |
| 1506 | |
| 7956 | 1507 #if INCLUDE_SERVICES |
| 1508 // Size Statistics | |
| 1509 void MethodData::collect_statistics(KlassSizeStats *sz) const { | |
| 1510 int n = sz->count(this); | |
| 1511 sz->_method_data_bytes += n; | |
| 1512 sz->_method_all_bytes += n; | |
| 1513 sz->_rw_bytes += n; | |
| 1514 } | |
| 1515 #endif // INCLUDE_SERVICES | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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2264
diff
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|
1516 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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2264
diff
changeset
|
1517 // Verification |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2264
diff
changeset
|
1518 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2264
diff
changeset
|
1519 void MethodData::verify_on(outputStream* st) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2264
diff
changeset
|
1520 guarantee(is_methodData(), "object must be method data"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2264
diff
changeset
|
1521 // guarantee(m->is_perm(), "should be in permspace"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
1522 this->verify_data_on(st); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2264
diff
changeset
|
1523 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2264
diff
changeset
|
1524 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2264
diff
changeset
|
1525 void MethodData::verify_data_on(outputStream* st) { |
| 0 | 1526 NEEDS_CLEANUP; |
| 1527 // not yet implemented. | |
| 1528 } | |
|
12875
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|
1529 |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
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diff
changeset
|
1530 bool MethodData::profile_jsr292(methodHandle m, int bci) { |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
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diff
changeset
|
1531 if (m->is_compiled_lambda_form()) { |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1532 return true; |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1533 } |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1534 |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1535 Bytecode_invoke inv(m , bci); |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1536 return inv.is_invokedynamic() || inv.is_invokehandle(); |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1537 } |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1538 |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1539 int MethodData::profile_arguments_flag() { |
|
12882
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1540 return TypeProfileLevel % 10; |
|
12875
d13d7aba8c12
8023657: New type profiling points: arguments to call
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parents:
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diff
changeset
|
1541 } |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1542 |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1543 bool MethodData::profile_arguments() { |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1544 return profile_arguments_flag() > no_type_profile && profile_arguments_flag() <= type_profile_all; |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
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diff
changeset
|
1545 } |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1546 |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1547 bool MethodData::profile_arguments_jsr292_only() { |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1548 return profile_arguments_flag() == type_profile_jsr292; |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1549 } |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1550 |
|
d13d7aba8c12
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10376
diff
changeset
|
1551 bool MethodData::profile_all_arguments() { |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
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diff
changeset
|
1552 return profile_arguments_flag() == type_profile_all; |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
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10376
diff
changeset
|
1553 } |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
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10376
diff
changeset
|
1554 |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
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10376
diff
changeset
|
1555 bool MethodData::profile_arguments_for_invoke(methodHandle m, int bci) { |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1556 if (!profile_arguments()) { |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1557 return false; |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1558 } |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1559 |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1560 if (profile_all_arguments()) { |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1561 return true; |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1562 } |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1563 |
|
d13d7aba8c12
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roland
parents:
10376
diff
changeset
|
1564 assert(profile_arguments_jsr292_only(), "inconsistent"); |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1565 return profile_jsr292(m, bci); |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1566 } |
|
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
10376
diff
changeset
|
1567 |
|
12882
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1568 int MethodData::profile_return_flag() { |
|
12962
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8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1569 return (TypeProfileLevel % 100) / 10; |
|
12882
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1570 } |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1571 |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1572 bool MethodData::profile_return() { |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1573 return profile_return_flag() > no_type_profile && profile_return_flag() <= type_profile_all; |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1574 } |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1575 |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1576 bool MethodData::profile_return_jsr292_only() { |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1577 return profile_return_flag() == type_profile_jsr292; |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1578 } |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1579 |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1580 bool MethodData::profile_all_return() { |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1581 return profile_return_flag() == type_profile_all; |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1582 } |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1583 |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1584 bool MethodData::profile_return_for_invoke(methodHandle m, int bci) { |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1585 if (!profile_return()) { |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1586 return false; |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1587 } |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1588 |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1589 if (profile_all_return()) { |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1590 return true; |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1591 } |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1592 |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1593 assert(profile_return_jsr292_only(), "inconsistent"); |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
parents:
12875
diff
changeset
|
1594 return profile_jsr292(m, bci); |
|
ce0cc25bc5e2
8026054: New type profiling points: type of return values at calls
roland
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12875
diff
changeset
|
1595 } |
|
12962
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1596 |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1597 int MethodData::profile_parameters_flag() { |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1598 return TypeProfileLevel / 100; |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1599 } |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1600 |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1601 bool MethodData::profile_parameters() { |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1602 return profile_parameters_flag() > no_type_profile && profile_parameters_flag() <= type_profile_all; |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1603 } |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1604 |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1605 bool MethodData::profile_parameters_jsr292_only() { |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1606 return profile_parameters_flag() == type_profile_jsr292; |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1607 } |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1608 |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1609 bool MethodData::profile_all_parameters() { |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1610 return profile_parameters_flag() == type_profile_all; |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1611 } |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1612 |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1613 bool MethodData::profile_parameters_for_method(methodHandle m) { |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1614 if (!profile_parameters()) { |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1615 return false; |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1616 } |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1617 |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1618 if (profile_all_parameters()) { |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1619 return true; |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1620 } |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1621 |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1622 assert(profile_parameters_jsr292_only(), "inconsistent"); |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1623 return m->is_compiled_lambda_form(); |
|
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12882
diff
changeset
|
1624 } |
|
17728
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|
1625 |
|
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|
1626 void MethodData::clean_extra_data_helper(DataLayout* dp, int shift, bool reset) { |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
1627 if (shift == 0) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
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diff
changeset
|
1628 return; |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1629 } |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1630 if (!reset) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1631 // Move all cells of trap entry at dp left by "shift" cells |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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diff
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|
1632 intptr_t* start = (intptr_t*)dp; |
|
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|
1633 intptr_t* end = (intptr_t*)next_extra(dp); |
|
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diff
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|
1634 for (intptr_t* ptr = start; ptr < end; ptr++) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
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|
1635 *(ptr-shift) = *ptr; |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
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|
1636 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1637 } else { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
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diff
changeset
|
1638 // Reset "shift" cells stopping at dp |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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diff
changeset
|
1639 intptr_t* start = ((intptr_t*)dp) - shift; |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1640 intptr_t* end = (intptr_t*)dp; |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1641 for (intptr_t* ptr = start; ptr < end; ptr++) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
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|
1642 *ptr = 0; |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1643 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
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diff
changeset
|
1644 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1645 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
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diff
changeset
|
1646 |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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changeset
|
1647 // Remove SpeculativeTrapData entries that reference an unloaded |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
1648 // method |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
1649 void MethodData::clean_extra_data(BoolObjectClosure* is_alive) { |
|
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|
1650 DataLayout* dp = extra_data_base(); |
|
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|
1651 DataLayout* end = extra_data_limit(); |
|
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roland
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|
1652 |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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changeset
|
1653 int shift = 0; |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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|
1654 for (; dp < end; dp = next_extra(dp)) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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diff
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|
1655 switch(dp->tag()) { |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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diff
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|
1656 case DataLayout::speculative_trap_data_tag: { |
|
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|
1657 SpeculativeTrapData* data = new SpeculativeTrapData(dp); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
1658 Method* m = data->method(); |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
1659 assert(m != NULL, "should have a method"); |
|
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|
1660 if (!m->method_holder()->is_loader_alive(is_alive)) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
1661 // "shift" accumulates the number of cells for dead |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
1662 // SpeculativeTrapData entries that have been seen so |
|
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|
1663 // far. Following entries must be shifted left by that many |
|
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|
1664 // cells to remove the dead SpeculativeTrapData entries. |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
1665 shift += (int)((intptr_t*)next_extra(dp) - (intptr_t*)dp); |
|
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|
1666 } else { |
|
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roland
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|
1667 // Shift this entry left if it follows dead |
|
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|
1668 // SpeculativeTrapData entries |
|
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|
1669 clean_extra_data_helper(dp, shift); |
|
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roland
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|
1670 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1671 break; |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1672 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1673 case DataLayout::bit_data_tag: |
|
b8413a9cbb84
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diff
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|
1674 // Shift this entry left if it follows dead SpeculativeTrapData |
|
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roland
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|
1675 // entries |
|
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roland
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|
1676 clean_extra_data_helper(dp, shift); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
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|
1677 continue; |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
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diff
changeset
|
1678 case DataLayout::no_tag: |
|
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roland
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diff
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|
1679 case DataLayout::arg_info_data_tag: |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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diff
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|
1680 // We are at end of the live trap entries. The previous "shift" |
|
b8413a9cbb84
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|
1681 // cells contain entries that are either dead or were shifted |
|
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|
1682 // left. They need to be reset to no_tag |
|
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diff
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|
1683 clean_extra_data_helper(dp, shift, true); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1684 return; |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1685 default: |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1686 fatal(err_msg("unexpected tag %d", dp->tag())); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
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|
1687 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1688 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1689 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1690 |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1691 // Verify there's no unloaded method referenced by a |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1692 // SpeculativeTrapData entry |
|
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roland
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diff
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|
1693 void MethodData::verify_extra_data_clean(BoolObjectClosure* is_alive) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
changeset
|
1694 #ifdef ASSERT |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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changeset
|
1695 DataLayout* dp = extra_data_base(); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1696 DataLayout* end = extra_data_limit(); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
changeset
|
1697 |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
changeset
|
1698 for (; dp < end; dp = next_extra(dp)) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
changeset
|
1699 switch(dp->tag()) { |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
changeset
|
1700 case DataLayout::speculative_trap_data_tag: { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
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|
1701 SpeculativeTrapData* data = new SpeculativeTrapData(dp); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
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|
1702 Method* m = data->method(); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1703 assert(m != NULL && m->method_holder()->is_loader_alive(is_alive), "Method should exist"); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1704 break; |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1705 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
changeset
|
1706 case DataLayout::bit_data_tag: |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1707 continue; |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
changeset
|
1708 case DataLayout::no_tag: |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1709 case DataLayout::arg_info_data_tag: |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1710 return; |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1711 default: |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1712 fatal(err_msg("unexpected tag %d", dp->tag())); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
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|
1713 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
13080
diff
changeset
|
1714 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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13080
diff
changeset
|
1715 #endif |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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diff
changeset
|
1716 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1717 |
|
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13080
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changeset
|
1718 void MethodData::clean_method_data(BoolObjectClosure* is_alive) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
1719 for (ProfileData* data = first_data(); |
|
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|
1720 is_valid(data); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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diff
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|
1721 data = next_data(data)) { |
|
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diff
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|
1722 data->clean_weak_klass_links(is_alive); |
|
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roland
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|
1723 } |
|
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8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
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diff
changeset
|
1724 ParametersTypeData* parameters = parameters_type_data(); |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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|
1725 if (parameters != NULL) { |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
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changeset
|
1726 parameters->clean_weak_klass_links(is_alive); |
|
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roland
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diff
changeset
|
1727 } |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
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diff
changeset
|
1728 |
|
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roland
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diff
changeset
|
1729 clean_extra_data(is_alive); |
|
b8413a9cbb84
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|
1730 verify_extra_data_clean(is_alive); |
|
b8413a9cbb84
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|
1731 } |
| 18041 | 1732 |
|
14860
8762b6b8fbb6
fix scanning of method data for redefined methods
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
14543
diff
changeset
|
1733 void MethodData::clean_weak_method_links() { |
|
8762b6b8fbb6
fix scanning of method data for redefined methods
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
14543
diff
changeset
|
1734 for (ProfileData* data = first_data(); |
|
8762b6b8fbb6
fix scanning of method data for redefined methods
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
14543
diff
changeset
|
1735 is_valid(data); |
|
8762b6b8fbb6
fix scanning of method data for redefined methods
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
14543
diff
changeset
|
1736 data = next_data(data)) { |
|
8762b6b8fbb6
fix scanning of method data for redefined methods
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
14543
diff
changeset
|
1737 data->clean_weak_method_links(); |
|
8762b6b8fbb6
fix scanning of method data for redefined methods
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
14543
diff
changeset
|
1738 } |
|
18137
94faadc823ea
MethodData::initialize: remove unused argument
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
18041
diff
changeset
|
1739 } |