Tue, 24 Dec 2013 11:48:39 -0800
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
duke@435 | 1 | /* |
mikael@6198 | 2 | * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
coleenp@4037 | 26 | #include "ci/ciMetadata.hpp" |
stefank@2314 | 27 | #include "ci/ciMethodData.hpp" |
minqi@4267 | 28 | #include "ci/ciReplay.hpp" |
stefank@2314 | 29 | #include "ci/ciUtilities.hpp" |
stefank@2314 | 30 | #include "memory/allocation.inline.hpp" |
stefank@2314 | 31 | #include "memory/resourceArea.hpp" |
stefank@2314 | 32 | #include "runtime/deoptimization.hpp" |
stefank@2314 | 33 | #include "utilities/copy.hpp" |
duke@435 | 34 | |
duke@435 | 35 | // ciMethodData |
duke@435 | 36 | |
duke@435 | 37 | // ------------------------------------------------------------------ |
duke@435 | 38 | // ciMethodData::ciMethodData |
duke@435 | 39 | // |
coleenp@4037 | 40 | ciMethodData::ciMethodData(MethodData* md) : ciMetadata(md) { |
coleenp@4037 | 41 | assert(md != NULL, "no null method data"); |
duke@435 | 42 | Copy::zero_to_words((HeapWord*) &_orig, sizeof(_orig) / sizeof(HeapWord)); |
duke@435 | 43 | _data = NULL; |
duke@435 | 44 | _data_size = 0; |
duke@435 | 45 | _extra_data_size = 0; |
duke@435 | 46 | _current_mileage = 0; |
iveresov@2138 | 47 | _invocation_counter = 0; |
iveresov@2138 | 48 | _backedge_counter = 0; |
duke@435 | 49 | _state = empty_state; |
duke@435 | 50 | _saw_free_extra_data = false; |
duke@435 | 51 | // Set an initial hint. Don't use set_hint_di() because |
duke@435 | 52 | // first_di() may be out of bounds if data_size is 0. |
duke@435 | 53 | _hint_di = first_di(); |
kvn@480 | 54 | // Initialize the escape information (to "don't know."); |
kvn@480 | 55 | _eflags = _arg_local = _arg_stack = _arg_returned = 0; |
roland@5987 | 56 | _parameters = NULL; |
duke@435 | 57 | } |
duke@435 | 58 | |
duke@435 | 59 | // ------------------------------------------------------------------ |
duke@435 | 60 | // ciMethodData::ciMethodData |
duke@435 | 61 | // |
coleenp@4037 | 62 | // No MethodData*. |
coleenp@4037 | 63 | ciMethodData::ciMethodData() : ciMetadata(NULL) { |
duke@435 | 64 | Copy::zero_to_words((HeapWord*) &_orig, sizeof(_orig) / sizeof(HeapWord)); |
duke@435 | 65 | _data = NULL; |
duke@435 | 66 | _data_size = 0; |
duke@435 | 67 | _extra_data_size = 0; |
duke@435 | 68 | _current_mileage = 0; |
iveresov@2138 | 69 | _invocation_counter = 0; |
iveresov@2138 | 70 | _backedge_counter = 0; |
duke@435 | 71 | _state = empty_state; |
duke@435 | 72 | _saw_free_extra_data = false; |
duke@435 | 73 | // Set an initial hint. Don't use set_hint_di() because |
duke@435 | 74 | // first_di() may be out of bounds if data_size is 0. |
duke@435 | 75 | _hint_di = first_di(); |
kvn@480 | 76 | // Initialize the escape information (to "don't know."); |
kvn@480 | 77 | _eflags = _arg_local = _arg_stack = _arg_returned = 0; |
roland@5987 | 78 | _parameters = NULL; |
duke@435 | 79 | } |
duke@435 | 80 | |
duke@435 | 81 | void ciMethodData::load_data() { |
coleenp@4037 | 82 | MethodData* mdo = get_MethodData(); |
twisti@5907 | 83 | if (mdo == NULL) { |
twisti@5907 | 84 | return; |
twisti@5907 | 85 | } |
duke@435 | 86 | |
duke@435 | 87 | // To do: don't copy the data if it is not "ripe" -- require a minimum # |
duke@435 | 88 | // of invocations. |
duke@435 | 89 | |
duke@435 | 90 | // Snapshot the data -- actually, take an approximate snapshot of |
duke@435 | 91 | // the data. Any concurrently executing threads may be changing the |
duke@435 | 92 | // data as we copy it. |
coleenp@4037 | 93 | Copy::disjoint_words((HeapWord*) mdo, |
coleenp@4037 | 94 | (HeapWord*) &_orig, |
coleenp@4037 | 95 | sizeof(_orig) / HeapWordSize); |
duke@435 | 96 | Arena* arena = CURRENT_ENV->arena(); |
duke@435 | 97 | _data_size = mdo->data_size(); |
duke@435 | 98 | _extra_data_size = mdo->extra_data_size(); |
duke@435 | 99 | int total_size = _data_size + _extra_data_size; |
duke@435 | 100 | _data = (intptr_t *) arena->Amalloc(total_size); |
duke@435 | 101 | Copy::disjoint_words((HeapWord*) mdo->data_base(), (HeapWord*) _data, total_size / HeapWordSize); |
duke@435 | 102 | |
duke@435 | 103 | // Traverse the profile data, translating any oops into their |
duke@435 | 104 | // ci equivalents. |
duke@435 | 105 | ResourceMark rm; |
duke@435 | 106 | ciProfileData* ci_data = first_data(); |
duke@435 | 107 | ProfileData* data = mdo->first_data(); |
duke@435 | 108 | while (is_valid(ci_data)) { |
duke@435 | 109 | ci_data->translate_from(data); |
duke@435 | 110 | ci_data = next_data(ci_data); |
duke@435 | 111 | data = mdo->next_data(data); |
duke@435 | 112 | } |
roland@5987 | 113 | if (mdo->parameters_type_data() != NULL) { |
roland@5987 | 114 | _parameters = data_layout_at(mdo->parameters_type_data_di()); |
roland@5987 | 115 | ciParametersTypeData* parameters = new ciParametersTypeData(_parameters); |
roland@5987 | 116 | parameters->translate_from(mdo->parameters_type_data()); |
roland@5987 | 117 | } |
roland@5987 | 118 | |
duke@435 | 119 | // Note: Extra data are all BitData, and do not need translation. |
coleenp@4037 | 120 | _current_mileage = MethodData::mileage_of(mdo->method()); |
iveresov@2138 | 121 | _invocation_counter = mdo->invocation_count(); |
iveresov@2138 | 122 | _backedge_counter = mdo->backedge_count(); |
duke@435 | 123 | _state = mdo->is_mature()? mature_state: immature_state; |
duke@435 | 124 | |
duke@435 | 125 | _eflags = mdo->eflags(); |
duke@435 | 126 | _arg_local = mdo->arg_local(); |
duke@435 | 127 | _arg_stack = mdo->arg_stack(); |
duke@435 | 128 | _arg_returned = mdo->arg_returned(); |
minqi@4267 | 129 | #ifndef PRODUCT |
minqi@4267 | 130 | if (ReplayCompiles) { |
minqi@4267 | 131 | ciReplay::initialize(this); |
minqi@4267 | 132 | } |
minqi@4267 | 133 | #endif |
duke@435 | 134 | } |
duke@435 | 135 | |
roland@5914 | 136 | void ciReceiverTypeData::translate_receiver_data_from(const ProfileData* data) { |
duke@435 | 137 | for (uint row = 0; row < row_limit(); row++) { |
coleenp@4037 | 138 | Klass* k = data->as_ReceiverTypeData()->receiver(row); |
duke@435 | 139 | if (k != NULL) { |
coleenp@4037 | 140 | ciKlass* klass = CURRENT_ENV->get_klass(k); |
duke@435 | 141 | set_receiver(row, klass); |
duke@435 | 142 | } |
duke@435 | 143 | } |
duke@435 | 144 | } |
duke@435 | 145 | |
duke@435 | 146 | |
roland@5914 | 147 | void ciTypeStackSlotEntries::translate_type_data_from(const TypeStackSlotEntries* entries) { |
roland@5921 | 148 | for (int i = 0; i < _number_of_entries; i++) { |
roland@5914 | 149 | intptr_t k = entries->type(i); |
roland@5914 | 150 | TypeStackSlotEntries::set_type(i, translate_klass(k)); |
roland@5914 | 151 | } |
roland@5914 | 152 | } |
roland@5914 | 153 | |
roland@5921 | 154 | void ciReturnTypeEntry::translate_type_data_from(const ReturnTypeEntry* ret) { |
roland@5921 | 155 | intptr_t k = ret->type(); |
roland@5921 | 156 | set_type(translate_klass(k)); |
roland@5921 | 157 | } |
roland@5921 | 158 | |
duke@435 | 159 | // Get the data at an arbitrary (sort of) data index. |
duke@435 | 160 | ciProfileData* ciMethodData::data_at(int data_index) { |
duke@435 | 161 | if (out_of_bounds(data_index)) { |
duke@435 | 162 | return NULL; |
duke@435 | 163 | } |
duke@435 | 164 | DataLayout* data_layout = data_layout_at(data_index); |
duke@435 | 165 | |
duke@435 | 166 | switch (data_layout->tag()) { |
duke@435 | 167 | case DataLayout::no_tag: |
duke@435 | 168 | default: |
duke@435 | 169 | ShouldNotReachHere(); |
duke@435 | 170 | return NULL; |
duke@435 | 171 | case DataLayout::bit_data_tag: |
duke@435 | 172 | return new ciBitData(data_layout); |
duke@435 | 173 | case DataLayout::counter_data_tag: |
duke@435 | 174 | return new ciCounterData(data_layout); |
duke@435 | 175 | case DataLayout::jump_data_tag: |
duke@435 | 176 | return new ciJumpData(data_layout); |
duke@435 | 177 | case DataLayout::receiver_type_data_tag: |
duke@435 | 178 | return new ciReceiverTypeData(data_layout); |
duke@435 | 179 | case DataLayout::virtual_call_data_tag: |
duke@435 | 180 | return new ciVirtualCallData(data_layout); |
duke@435 | 181 | case DataLayout::ret_data_tag: |
duke@435 | 182 | return new ciRetData(data_layout); |
duke@435 | 183 | case DataLayout::branch_data_tag: |
duke@435 | 184 | return new ciBranchData(data_layout); |
duke@435 | 185 | case DataLayout::multi_branch_data_tag: |
duke@435 | 186 | return new ciMultiBranchData(data_layout); |
kvn@480 | 187 | case DataLayout::arg_info_data_tag: |
kvn@480 | 188 | return new ciArgInfoData(data_layout); |
roland@5914 | 189 | case DataLayout::call_type_data_tag: |
roland@5914 | 190 | return new ciCallTypeData(data_layout); |
roland@5914 | 191 | case DataLayout::virtual_call_type_data_tag: |
roland@5914 | 192 | return new ciVirtualCallTypeData(data_layout); |
roland@5987 | 193 | case DataLayout::parameters_type_data_tag: |
roland@5987 | 194 | return new ciParametersTypeData(data_layout); |
duke@435 | 195 | }; |
duke@435 | 196 | } |
duke@435 | 197 | |
duke@435 | 198 | // Iteration over data. |
duke@435 | 199 | ciProfileData* ciMethodData::next_data(ciProfileData* current) { |
duke@435 | 200 | int current_index = dp_to_di(current->dp()); |
duke@435 | 201 | int next_index = current_index + current->size_in_bytes(); |
duke@435 | 202 | ciProfileData* next = data_at(next_index); |
duke@435 | 203 | return next; |
duke@435 | 204 | } |
duke@435 | 205 | |
duke@435 | 206 | // Translate a bci to its corresponding data, or NULL. |
duke@435 | 207 | ciProfileData* ciMethodData::bci_to_data(int bci) { |
duke@435 | 208 | ciProfileData* data = data_before(bci); |
duke@435 | 209 | for ( ; is_valid(data); data = next_data(data)) { |
duke@435 | 210 | if (data->bci() == bci) { |
duke@435 | 211 | set_hint_di(dp_to_di(data->dp())); |
duke@435 | 212 | return data; |
duke@435 | 213 | } else if (data->bci() > bci) { |
duke@435 | 214 | break; |
duke@435 | 215 | } |
duke@435 | 216 | } |
duke@435 | 217 | // bci_to_extra_data(bci) ... |
duke@435 | 218 | DataLayout* dp = data_layout_at(data_size()); |
duke@435 | 219 | DataLayout* end = data_layout_at(data_size() + extra_data_size()); |
coleenp@4037 | 220 | for (; dp < end; dp = MethodData::next_extra(dp)) { |
duke@435 | 221 | if (dp->tag() == DataLayout::no_tag) { |
duke@435 | 222 | _saw_free_extra_data = true; // observed an empty slot (common case) |
duke@435 | 223 | return NULL; |
duke@435 | 224 | } |
kvn@480 | 225 | if (dp->tag() == DataLayout::arg_info_data_tag) { |
kvn@480 | 226 | break; // ArgInfoData is at the end of extra data section. |
kvn@480 | 227 | } |
duke@435 | 228 | if (dp->bci() == bci) { |
duke@435 | 229 | assert(dp->tag() == DataLayout::bit_data_tag, "sane"); |
duke@435 | 230 | return new ciBitData(dp); |
duke@435 | 231 | } |
duke@435 | 232 | } |
duke@435 | 233 | return NULL; |
duke@435 | 234 | } |
duke@435 | 235 | |
duke@435 | 236 | // Conservatively decode the trap_state of a ciProfileData. |
duke@435 | 237 | int ciMethodData::has_trap_at(ciProfileData* data, int reason) { |
duke@435 | 238 | typedef Deoptimization::DeoptReason DR_t; |
duke@435 | 239 | int per_bc_reason |
duke@435 | 240 | = Deoptimization::reason_recorded_per_bytecode_if_any((DR_t) reason); |
duke@435 | 241 | if (trap_count(reason) == 0) { |
duke@435 | 242 | // Impossible for this trap to have occurred, regardless of trap_state. |
duke@435 | 243 | // Note: This happens if the MDO is empty. |
duke@435 | 244 | return 0; |
duke@435 | 245 | } else if (per_bc_reason == Deoptimization::Reason_none) { |
duke@435 | 246 | // We cannot conclude anything; a trap happened somewhere, maybe here. |
duke@435 | 247 | return -1; |
duke@435 | 248 | } else if (data == NULL) { |
duke@435 | 249 | // No profile here, not even an extra_data record allocated on the fly. |
duke@435 | 250 | // If there are empty extra_data records, and there had been a trap, |
duke@435 | 251 | // there would have been a non-null data pointer. If there are no |
duke@435 | 252 | // free extra_data records, we must return a conservative -1. |
duke@435 | 253 | if (_saw_free_extra_data) |
duke@435 | 254 | return 0; // Q.E.D. |
duke@435 | 255 | else |
duke@435 | 256 | return -1; // bail with a conservative answer |
duke@435 | 257 | } else { |
duke@435 | 258 | return Deoptimization::trap_state_has_reason(data->trap_state(), per_bc_reason); |
duke@435 | 259 | } |
duke@435 | 260 | } |
duke@435 | 261 | |
duke@435 | 262 | int ciMethodData::trap_recompiled_at(ciProfileData* data) { |
duke@435 | 263 | if (data == NULL) { |
duke@435 | 264 | return (_saw_free_extra_data? 0: -1); // (see previous method) |
duke@435 | 265 | } else { |
duke@435 | 266 | return Deoptimization::trap_state_is_recompiled(data->trap_state())? 1: 0; |
duke@435 | 267 | } |
duke@435 | 268 | } |
duke@435 | 269 | |
duke@435 | 270 | void ciMethodData::clear_escape_info() { |
duke@435 | 271 | VM_ENTRY_MARK; |
coleenp@4037 | 272 | MethodData* mdo = get_MethodData(); |
kvn@480 | 273 | if (mdo != NULL) { |
duke@435 | 274 | mdo->clear_escape_info(); |
kvn@480 | 275 | ArgInfoData *aid = arg_info(); |
kvn@480 | 276 | int arg_count = (aid == NULL) ? 0 : aid->number_of_args(); |
kvn@480 | 277 | for (int i = 0; i < arg_count; i++) { |
kvn@480 | 278 | set_arg_modified(i, 0); |
kvn@480 | 279 | } |
kvn@480 | 280 | } |
duke@435 | 281 | _eflags = _arg_local = _arg_stack = _arg_returned = 0; |
duke@435 | 282 | } |
duke@435 | 283 | |
coleenp@4037 | 284 | // copy our escape info to the MethodData* if it exists |
duke@435 | 285 | void ciMethodData::update_escape_info() { |
duke@435 | 286 | VM_ENTRY_MARK; |
coleenp@4037 | 287 | MethodData* mdo = get_MethodData(); |
duke@435 | 288 | if ( mdo != NULL) { |
duke@435 | 289 | mdo->set_eflags(_eflags); |
duke@435 | 290 | mdo->set_arg_local(_arg_local); |
duke@435 | 291 | mdo->set_arg_stack(_arg_stack); |
duke@435 | 292 | mdo->set_arg_returned(_arg_returned); |
kvn@480 | 293 | int arg_count = mdo->method()->size_of_parameters(); |
kvn@480 | 294 | for (int i = 0; i < arg_count; i++) { |
kvn@480 | 295 | mdo->set_arg_modified(i, arg_modified(i)); |
kvn@480 | 296 | } |
duke@435 | 297 | } |
duke@435 | 298 | } |
duke@435 | 299 | |
iveresov@2138 | 300 | void ciMethodData::set_compilation_stats(short loops, short blocks) { |
iveresov@2138 | 301 | VM_ENTRY_MARK; |
coleenp@4037 | 302 | MethodData* mdo = get_MethodData(); |
iveresov@2138 | 303 | if (mdo != NULL) { |
iveresov@2138 | 304 | mdo->set_num_loops(loops); |
iveresov@2138 | 305 | mdo->set_num_blocks(blocks); |
iveresov@2138 | 306 | } |
iveresov@2138 | 307 | } |
iveresov@2138 | 308 | |
iveresov@2138 | 309 | void ciMethodData::set_would_profile(bool p) { |
iveresov@2138 | 310 | VM_ENTRY_MARK; |
coleenp@4037 | 311 | MethodData* mdo = get_MethodData(); |
iveresov@2138 | 312 | if (mdo != NULL) { |
iveresov@2138 | 313 | mdo->set_would_profile(p); |
iveresov@2138 | 314 | } |
iveresov@2138 | 315 | } |
iveresov@2138 | 316 | |
roland@5914 | 317 | void ciMethodData::set_argument_type(int bci, int i, ciKlass* k) { |
roland@5914 | 318 | VM_ENTRY_MARK; |
roland@5914 | 319 | MethodData* mdo = get_MethodData(); |
roland@5914 | 320 | if (mdo != NULL) { |
roland@5914 | 321 | ProfileData* data = mdo->bci_to_data(bci); |
roland@5914 | 322 | if (data->is_CallTypeData()) { |
roland@5914 | 323 | data->as_CallTypeData()->set_argument_type(i, k->get_Klass()); |
roland@5914 | 324 | } else { |
roland@5914 | 325 | assert(data->is_VirtualCallTypeData(), "no arguments!"); |
roland@5914 | 326 | data->as_VirtualCallTypeData()->set_argument_type(i, k->get_Klass()); |
roland@5914 | 327 | } |
roland@5914 | 328 | } |
roland@5914 | 329 | } |
roland@5914 | 330 | |
roland@5987 | 331 | void ciMethodData::set_parameter_type(int i, ciKlass* k) { |
roland@5987 | 332 | VM_ENTRY_MARK; |
roland@5987 | 333 | MethodData* mdo = get_MethodData(); |
roland@5987 | 334 | if (mdo != NULL) { |
roland@5987 | 335 | mdo->parameters_type_data()->set_type(i, k->get_Klass()); |
roland@5987 | 336 | } |
roland@5987 | 337 | } |
roland@5987 | 338 | |
roland@5921 | 339 | void ciMethodData::set_return_type(int bci, ciKlass* k) { |
roland@5921 | 340 | VM_ENTRY_MARK; |
roland@5921 | 341 | MethodData* mdo = get_MethodData(); |
roland@5921 | 342 | if (mdo != NULL) { |
roland@5921 | 343 | ProfileData* data = mdo->bci_to_data(bci); |
roland@5921 | 344 | if (data->is_CallTypeData()) { |
roland@5921 | 345 | data->as_CallTypeData()->set_return_type(k->get_Klass()); |
roland@5921 | 346 | } else { |
roland@5921 | 347 | assert(data->is_VirtualCallTypeData(), "no arguments!"); |
roland@5921 | 348 | data->as_VirtualCallTypeData()->set_return_type(k->get_Klass()); |
roland@5921 | 349 | } |
roland@5921 | 350 | } |
roland@5921 | 351 | } |
roland@5921 | 352 | |
duke@435 | 353 | bool ciMethodData::has_escape_info() { |
coleenp@4037 | 354 | return eflag_set(MethodData::estimated); |
duke@435 | 355 | } |
duke@435 | 356 | |
coleenp@4037 | 357 | void ciMethodData::set_eflag(MethodData::EscapeFlag f) { |
duke@435 | 358 | set_bits(_eflags, f); |
duke@435 | 359 | } |
duke@435 | 360 | |
coleenp@4037 | 361 | void ciMethodData::clear_eflag(MethodData::EscapeFlag f) { |
duke@435 | 362 | clear_bits(_eflags, f); |
duke@435 | 363 | } |
duke@435 | 364 | |
coleenp@4037 | 365 | bool ciMethodData::eflag_set(MethodData::EscapeFlag f) const { |
duke@435 | 366 | return mask_bits(_eflags, f) != 0; |
duke@435 | 367 | } |
duke@435 | 368 | |
duke@435 | 369 | void ciMethodData::set_arg_local(int i) { |
duke@435 | 370 | set_nth_bit(_arg_local, i); |
duke@435 | 371 | } |
duke@435 | 372 | |
duke@435 | 373 | void ciMethodData::set_arg_stack(int i) { |
duke@435 | 374 | set_nth_bit(_arg_stack, i); |
duke@435 | 375 | } |
duke@435 | 376 | |
duke@435 | 377 | void ciMethodData::set_arg_returned(int i) { |
duke@435 | 378 | set_nth_bit(_arg_returned, i); |
duke@435 | 379 | } |
duke@435 | 380 | |
kvn@480 | 381 | void ciMethodData::set_arg_modified(int arg, uint val) { |
kvn@480 | 382 | ArgInfoData *aid = arg_info(); |
kvn@480 | 383 | if (aid == NULL) |
kvn@480 | 384 | return; |
kvn@480 | 385 | assert(arg >= 0 && arg < aid->number_of_args(), "valid argument number"); |
kvn@480 | 386 | aid->set_arg_modified(arg, val); |
kvn@480 | 387 | } |
kvn@480 | 388 | |
duke@435 | 389 | bool ciMethodData::is_arg_local(int i) const { |
duke@435 | 390 | return is_set_nth_bit(_arg_local, i); |
duke@435 | 391 | } |
duke@435 | 392 | |
duke@435 | 393 | bool ciMethodData::is_arg_stack(int i) const { |
duke@435 | 394 | return is_set_nth_bit(_arg_stack, i); |
duke@435 | 395 | } |
duke@435 | 396 | |
duke@435 | 397 | bool ciMethodData::is_arg_returned(int i) const { |
duke@435 | 398 | return is_set_nth_bit(_arg_returned, i); |
duke@435 | 399 | } |
duke@435 | 400 | |
kvn@480 | 401 | uint ciMethodData::arg_modified(int arg) const { |
kvn@480 | 402 | ArgInfoData *aid = arg_info(); |
kvn@480 | 403 | if (aid == NULL) |
kvn@480 | 404 | return 0; |
kvn@480 | 405 | assert(arg >= 0 && arg < aid->number_of_args(), "valid argument number"); |
kvn@480 | 406 | return aid->arg_modified(arg); |
kvn@480 | 407 | } |
kvn@480 | 408 | |
duke@435 | 409 | ByteSize ciMethodData::offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { |
coleenp@4037 | 410 | // Get offset within MethodData* of the data array |
coleenp@4037 | 411 | ByteSize data_offset = MethodData::data_offset(); |
duke@435 | 412 | |
duke@435 | 413 | // Get cell offset of the ProfileData within data array |
duke@435 | 414 | int cell_offset = dp_to_di(data->dp()); |
duke@435 | 415 | |
duke@435 | 416 | // Add in counter_offset, the # of bytes into the ProfileData of counter or flag |
duke@435 | 417 | int offset = in_bytes(data_offset) + cell_offset + in_bytes(slot_offset_in_data); |
duke@435 | 418 | |
duke@435 | 419 | return in_ByteSize(offset); |
duke@435 | 420 | } |
duke@435 | 421 | |
kvn@480 | 422 | ciArgInfoData *ciMethodData::arg_info() const { |
kvn@480 | 423 | // Should be last, have to skip all traps. |
kvn@480 | 424 | DataLayout* dp = data_layout_at(data_size()); |
kvn@480 | 425 | DataLayout* end = data_layout_at(data_size() + extra_data_size()); |
coleenp@4037 | 426 | for (; dp < end; dp = MethodData::next_extra(dp)) { |
kvn@480 | 427 | if (dp->tag() == DataLayout::arg_info_data_tag) |
kvn@480 | 428 | return new ciArgInfoData(dp); |
kvn@480 | 429 | } |
kvn@480 | 430 | return NULL; |
kvn@480 | 431 | } |
kvn@480 | 432 | |
kvn@480 | 433 | |
duke@435 | 434 | // Implementation of the print method. |
duke@435 | 435 | void ciMethodData::print_impl(outputStream* st) { |
coleenp@4037 | 436 | ciMetadata::print_impl(st); |
duke@435 | 437 | } |
duke@435 | 438 | |
minqi@4267 | 439 | void ciMethodData::dump_replay_data(outputStream* out) { |
vlivanov@4531 | 440 | ResourceMark rm; |
minqi@4267 | 441 | MethodData* mdo = get_MethodData(); |
minqi@4267 | 442 | Method* method = mdo->method(); |
minqi@4267 | 443 | Klass* holder = method->method_holder(); |
minqi@4267 | 444 | out->print("ciMethodData %s %s %s %d %d", |
minqi@4267 | 445 | holder->name()->as_quoted_ascii(), |
minqi@4267 | 446 | method->name()->as_quoted_ascii(), |
minqi@4267 | 447 | method->signature()->as_quoted_ascii(), |
minqi@4267 | 448 | _state, |
minqi@4267 | 449 | current_mileage()); |
minqi@4267 | 450 | |
minqi@4267 | 451 | // dump the contents of the MDO header as raw data |
minqi@4267 | 452 | unsigned char* orig = (unsigned char*)&_orig; |
minqi@4267 | 453 | int length = sizeof(_orig); |
minqi@4267 | 454 | out->print(" orig %d", length); |
minqi@4267 | 455 | for (int i = 0; i < length; i++) { |
minqi@4267 | 456 | out->print(" %d", orig[i]); |
minqi@4267 | 457 | } |
minqi@4267 | 458 | |
minqi@4267 | 459 | // dump the MDO data as raw data |
minqi@4267 | 460 | int elements = data_size() / sizeof(intptr_t); |
minqi@4267 | 461 | out->print(" data %d", elements); |
minqi@4267 | 462 | for (int i = 0; i < elements; i++) { |
minqi@4267 | 463 | // We could use INTPTR_FORMAT here but that's a zero justified |
minqi@4267 | 464 | // which makes comparing it with the SA version of this output |
minqi@4267 | 465 | // harder. |
minqi@4267 | 466 | #ifdef _LP64 |
minqi@4267 | 467 | out->print(" 0x%" FORMAT64_MODIFIER "x", data()[i]); |
minqi@4267 | 468 | #else |
minqi@4267 | 469 | out->print(" 0x%x", data()[i]); |
minqi@4267 | 470 | #endif |
minqi@4267 | 471 | } |
minqi@4267 | 472 | |
minqi@4267 | 473 | // The MDO contained oop references as ciObjects, so scan for those |
minqi@4267 | 474 | // and emit pairs of offset and klass name so that they can be |
minqi@4267 | 475 | // reconstructed at runtime. The first round counts the number of |
minqi@4267 | 476 | // oop references and the second actually emits them. |
minqi@4267 | 477 | int count = 0; |
minqi@4267 | 478 | for (int round = 0; round < 2; round++) { |
minqi@4267 | 479 | if (round == 1) out->print(" oops %d", count); |
minqi@4267 | 480 | ProfileData* pdata = first_data(); |
minqi@4267 | 481 | for ( ; is_valid(pdata); pdata = next_data(pdata)) { |
minqi@4267 | 482 | if (pdata->is_ReceiverTypeData()) { |
minqi@4267 | 483 | ciReceiverTypeData* vdata = (ciReceiverTypeData*)pdata; |
minqi@4267 | 484 | for (uint i = 0; i < vdata->row_limit(); i++) { |
minqi@4267 | 485 | ciKlass* k = vdata->receiver(i); |
minqi@4267 | 486 | if (k != NULL) { |
minqi@4267 | 487 | if (round == 0) { |
minqi@4267 | 488 | count++; |
minqi@4267 | 489 | } else { |
minqi@4267 | 490 | out->print(" %d %s", dp_to_di(vdata->dp() + in_bytes(vdata->receiver_offset(i))) / sizeof(intptr_t), k->name()->as_quoted_ascii()); |
minqi@4267 | 491 | } |
minqi@4267 | 492 | } |
minqi@4267 | 493 | } |
minqi@4267 | 494 | } else if (pdata->is_VirtualCallData()) { |
minqi@4267 | 495 | ciVirtualCallData* vdata = (ciVirtualCallData*)pdata; |
minqi@4267 | 496 | for (uint i = 0; i < vdata->row_limit(); i++) { |
minqi@4267 | 497 | ciKlass* k = vdata->receiver(i); |
minqi@4267 | 498 | if (k != NULL) { |
minqi@4267 | 499 | if (round == 0) { |
minqi@4267 | 500 | count++; |
minqi@4267 | 501 | } else { |
minqi@4267 | 502 | out->print(" %d %s", dp_to_di(vdata->dp() + in_bytes(vdata->receiver_offset(i))) / sizeof(intptr_t), k->name()->as_quoted_ascii()); |
minqi@4267 | 503 | } |
minqi@4267 | 504 | } |
minqi@4267 | 505 | } |
minqi@4267 | 506 | } |
minqi@4267 | 507 | } |
minqi@4267 | 508 | } |
minqi@4267 | 509 | out->cr(); |
minqi@4267 | 510 | } |
minqi@4267 | 511 | |
duke@435 | 512 | #ifndef PRODUCT |
duke@435 | 513 | void ciMethodData::print() { |
duke@435 | 514 | print_data_on(tty); |
duke@435 | 515 | } |
duke@435 | 516 | |
duke@435 | 517 | void ciMethodData::print_data_on(outputStream* st) { |
duke@435 | 518 | ResourceMark rm; |
duke@435 | 519 | ciProfileData* data; |
duke@435 | 520 | for (data = first_data(); is_valid(data); data = next_data(data)) { |
duke@435 | 521 | st->print("%d", dp_to_di(data->dp())); |
duke@435 | 522 | st->fill_to(6); |
duke@435 | 523 | data->print_data_on(st); |
duke@435 | 524 | } |
kvn@480 | 525 | st->print_cr("--- Extra data:"); |
kvn@480 | 526 | DataLayout* dp = data_layout_at(data_size()); |
kvn@480 | 527 | DataLayout* end = data_layout_at(data_size() + extra_data_size()); |
coleenp@4037 | 528 | for (; dp < end; dp = MethodData::next_extra(dp)) { |
kvn@480 | 529 | if (dp->tag() == DataLayout::no_tag) continue; |
kvn@480 | 530 | if (dp->tag() == DataLayout::bit_data_tag) { |
kvn@480 | 531 | data = new BitData(dp); |
kvn@480 | 532 | } else { |
kvn@480 | 533 | assert(dp->tag() == DataLayout::arg_info_data_tag, "must be BitData or ArgInfo"); |
kvn@480 | 534 | data = new ciArgInfoData(dp); |
kvn@480 | 535 | dp = end; // ArgInfoData is at the end of extra data section. |
kvn@480 | 536 | } |
kvn@480 | 537 | st->print("%d", dp_to_di(data->dp())); |
kvn@480 | 538 | st->fill_to(6); |
kvn@480 | 539 | data->print_data_on(st); |
kvn@480 | 540 | } |
duke@435 | 541 | } |
duke@435 | 542 | |
roland@5914 | 543 | void ciTypeEntries::print_ciklass(outputStream* st, intptr_t k) { |
roland@5914 | 544 | if (TypeEntries::is_type_none(k)) { |
roland@5914 | 545 | st->print("none"); |
roland@5914 | 546 | } else if (TypeEntries::is_type_unknown(k)) { |
roland@5914 | 547 | st->print("unknown"); |
roland@5914 | 548 | } else { |
roland@5914 | 549 | valid_ciklass(k)->print_name_on(st); |
roland@5914 | 550 | } |
roland@5914 | 551 | if (TypeEntries::was_null_seen(k)) { |
roland@5914 | 552 | st->print(" (null seen)"); |
roland@5914 | 553 | } |
roland@5914 | 554 | } |
roland@5914 | 555 | |
roland@5914 | 556 | void ciTypeStackSlotEntries::print_data_on(outputStream* st) const { |
roland@5921 | 557 | for (int i = 0; i < _number_of_entries; i++) { |
roland@5914 | 558 | _pd->tab(st); |
roland@5914 | 559 | st->print("%d: stack (%u) ", i, stack_slot(i)); |
roland@5914 | 560 | print_ciklass(st, type(i)); |
roland@5914 | 561 | st->cr(); |
roland@5914 | 562 | } |
roland@5914 | 563 | } |
roland@5914 | 564 | |
roland@5921 | 565 | void ciReturnTypeEntry::print_data_on(outputStream* st) const { |
roland@5921 | 566 | _pd->tab(st); |
roland@5921 | 567 | st->print("ret "); |
roland@5921 | 568 | print_ciklass(st, type()); |
roland@5921 | 569 | st->cr(); |
roland@5921 | 570 | } |
roland@5921 | 571 | |
roland@5914 | 572 | void ciCallTypeData::print_data_on(outputStream* st) const { |
roland@5914 | 573 | print_shared(st, "ciCallTypeData"); |
roland@5921 | 574 | if (has_arguments()) { |
roland@5921 | 575 | tab(st, true); |
roland@5921 | 576 | st->print("argument types"); |
roland@5921 | 577 | args()->print_data_on(st); |
roland@5921 | 578 | } |
roland@5921 | 579 | if (has_return()) { |
roland@5921 | 580 | tab(st, true); |
roland@5921 | 581 | st->print("return type"); |
roland@5921 | 582 | ret()->print_data_on(st); |
roland@5921 | 583 | } |
roland@5914 | 584 | } |
roland@5914 | 585 | |
roland@5914 | 586 | void ciReceiverTypeData::print_receiver_data_on(outputStream* st) const { |
duke@435 | 587 | uint row; |
duke@435 | 588 | int entries = 0; |
duke@435 | 589 | for (row = 0; row < row_limit(); row++) { |
duke@435 | 590 | if (receiver(row) != NULL) entries++; |
duke@435 | 591 | } |
duke@435 | 592 | st->print_cr("count(%u) entries(%u)", count(), entries); |
duke@435 | 593 | for (row = 0; row < row_limit(); row++) { |
duke@435 | 594 | if (receiver(row) != NULL) { |
duke@435 | 595 | tab(st); |
duke@435 | 596 | receiver(row)->print_name_on(st); |
duke@435 | 597 | st->print_cr("(%u)", receiver_count(row)); |
duke@435 | 598 | } |
duke@435 | 599 | } |
duke@435 | 600 | } |
duke@435 | 601 | |
roland@5914 | 602 | void ciReceiverTypeData::print_data_on(outputStream* st) const { |
duke@435 | 603 | print_shared(st, "ciReceiverTypeData"); |
duke@435 | 604 | print_receiver_data_on(st); |
duke@435 | 605 | } |
duke@435 | 606 | |
roland@5914 | 607 | void ciVirtualCallData::print_data_on(outputStream* st) const { |
duke@435 | 608 | print_shared(st, "ciVirtualCallData"); |
duke@435 | 609 | rtd_super()->print_receiver_data_on(st); |
duke@435 | 610 | } |
roland@5914 | 611 | |
roland@5914 | 612 | void ciVirtualCallTypeData::print_data_on(outputStream* st) const { |
roland@5914 | 613 | print_shared(st, "ciVirtualCallTypeData"); |
roland@5914 | 614 | rtd_super()->print_receiver_data_on(st); |
roland@5921 | 615 | if (has_arguments()) { |
roland@5921 | 616 | tab(st, true); |
roland@5921 | 617 | st->print("argument types"); |
roland@5921 | 618 | args()->print_data_on(st); |
roland@5921 | 619 | } |
roland@5921 | 620 | if (has_return()) { |
roland@5921 | 621 | tab(st, true); |
roland@5921 | 622 | st->print("return type"); |
roland@5921 | 623 | ret()->print_data_on(st); |
roland@5921 | 624 | } |
roland@5914 | 625 | } |
roland@5987 | 626 | |
roland@5987 | 627 | void ciParametersTypeData::print_data_on(outputStream* st) const { |
roland@5987 | 628 | st->print_cr("Parametertypes"); |
roland@5987 | 629 | parameters()->print_data_on(st); |
roland@5987 | 630 | } |
duke@435 | 631 | #endif |