jdk8-mips64-public/hotspot: src/share/vm/ci/ciMethodData.cpp@2c6ef90f030a (annotated)

src/share/vm/ci/ciMethodData.cpp@2c6ef90f030a (annotated)

src/share/vm/ci/ciMethodData.cpp

Mon, 07 Jul 2014 10:12:40 +0200

author: stefank
date: Mon, 07 Jul 2014 10:12:40 +0200
changeset 6992: 2c6ef90f030a
parent 6680: 78bbf4d43a14
child 7535: 7ae4e26cb1e0
child 8882: 279a5dd96f9b
permissions: -rw-r--r--

8049421: G1 Class Unloading after completing a concurrent mark cycle
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
Contributed-by: stefan.karlsson@oracle.com, mikael.gerdin@oracle.com

 /*
  * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #include "precompiled.hpp"
 #include "ci/ciMetadata.hpp"
 #include "ci/ciMethodData.hpp"
 #include "ci/ciReplay.hpp"
 #include "ci/ciUtilities.hpp"
 #include "memory/allocation.inline.hpp"
 #include "memory/resourceArea.hpp"
 #include "runtime/deoptimization.hpp"
 #include "utilities/copy.hpp"
 // ciMethodData
 // ------------------------------------------------------------------
 // ciMethodData::ciMethodData
 //
 ciMethodData::ciMethodData(MethodData* md) : ciMetadata(md) {
   assert(md != NULL, "no null method data");
   Copy::zero_to_words((HeapWord*) &_orig, sizeof(_orig) / sizeof(HeapWord));
   _data = NULL;
   _data_size = 0;
   _extra_data_size = 0;
   _current_mileage = 0;
   _invocation_counter = 0;
   _backedge_counter = 0;
   _state = empty_state;
   _saw_free_extra_data = false;
   // Set an initial hint. Don't use set_hint_di() because
   // first_di() may be out of bounds if data_size is 0.
   _hint_di = first_di();
   // Initialize the escape information (to "don't know.");
   _eflags = _arg_local = _arg_stack = _arg_returned = 0;
   _parameters = NULL;
 }
 // ------------------------------------------------------------------
 // ciMethodData::ciMethodData
 //
 // No MethodData*.
 ciMethodData::ciMethodData() : ciMetadata(NULL) {
   Copy::zero_to_words((HeapWord*) &_orig, sizeof(_orig) / sizeof(HeapWord));
   _data = NULL;
   _data_size = 0;
   _extra_data_size = 0;
   _current_mileage = 0;
   _invocation_counter = 0;
   _backedge_counter = 0;
   _state = empty_state;
   _saw_free_extra_data = false;
   // Set an initial hint. Don't use set_hint_di() because
   // first_di() may be out of bounds if data_size is 0.
   _hint_di = first_di();
   // Initialize the escape information (to "don't know.");
   _eflags = _arg_local = _arg_stack = _arg_returned = 0;
   _parameters = NULL;
 }
 void ciMethodData::load_extra_data() {
   MethodData* mdo = get_MethodData();
   // speculative trap entries also hold a pointer to a Method so need to be translated
   DataLayout* dp_src  = mdo->extra_data_base();
   DataLayout* end_src = mdo->extra_data_limit();
   DataLayout* dp_dst  = extra_data_base();
   for (;; dp_src = MethodData::next_extra(dp_src), dp_dst = MethodData::next_extra(dp_dst)) {
     assert(dp_src < end_src, "moved past end of extra data");
     // New traps in the MDO can be added as we translate the copy so
     // look at the entries in the copy.
     switch(dp_dst->tag()) {
     case DataLayout::speculative_trap_data_tag: {
       ciSpeculativeTrapData* data_dst = new ciSpeculativeTrapData(dp_dst);
       SpeculativeTrapData* data_src = new SpeculativeTrapData(dp_src);
       data_dst->translate_from(data_src);
       break;
     }
     case DataLayout::bit_data_tag:
       break;
     case DataLayout::no_tag:
     case DataLayout::arg_info_data_tag:
       // An empty slot or ArgInfoData entry marks the end of the trap data
       return;
     default:
       fatal(err_msg("bad tag = %d", dp_dst->tag()));
     }
   }
 }
 void ciMethodData::load_data() {
   MethodData* mdo = get_MethodData();
   if (mdo == NULL) {
     return;
   }
   // To do: don't copy the data if it is not "ripe" -- require a minimum #
   // of invocations.
   // Snapshot the data -- actually, take an approximate snapshot of
   // the data.  Any concurrently executing threads may be changing the
   // data as we copy it.
   Copy::disjoint_words((HeapWord*) mdo,
                        (HeapWord*) &_orig,
                        sizeof(_orig) / HeapWordSize);
   Arena* arena = CURRENT_ENV->arena();
   _data_size = mdo->data_size();
   _extra_data_size = mdo->extra_data_size();
   int total_size = _data_size + _extra_data_size;
   _data = (intptr_t *) arena->Amalloc(total_size);
   Copy::disjoint_words((HeapWord*) mdo->data_base(), (HeapWord*) _data, total_size / HeapWordSize);
   // Traverse the profile data, translating any oops into their
   // ci equivalents.
   ResourceMark rm;
   ciProfileData* ci_data = first_data();
   ProfileData* data = mdo->first_data();
   while (is_valid(ci_data)) {
     ci_data->translate_from(data);
     ci_data = next_data(ci_data);
     data = mdo->next_data(data);
   }
   if (mdo->parameters_type_data() != NULL) {
     _parameters = data_layout_at(mdo->parameters_type_data_di());
     ciParametersTypeData* parameters = new ciParametersTypeData(_parameters);
     parameters->translate_from(mdo->parameters_type_data());
   }
   load_extra_data();
   // Note:  Extra data are all BitData, and do not need translation.
   _current_mileage = MethodData::mileage_of(mdo->method());
   _invocation_counter = mdo->invocation_count();
   _backedge_counter = mdo->backedge_count();
   _state = mdo->is_mature()? mature_state: immature_state;
   _eflags = mdo->eflags();
   _arg_local = mdo->arg_local();
   _arg_stack = mdo->arg_stack();
   _arg_returned  = mdo->arg_returned();
 #ifndef PRODUCT
   if (ReplayCompiles) {
     ciReplay::initialize(this);
   }
 #endif
 }
 void ciReceiverTypeData::translate_receiver_data_from(const ProfileData* data) {
   for (uint row = 0; row < row_limit(); row++) {
     Klass* k = data->as_ReceiverTypeData()->receiver(row);
     if (k != NULL) {
       ciKlass* klass = CURRENT_ENV->get_klass(k);
       CURRENT_ENV->ensure_metadata_alive(klass);
       set_receiver(row, klass);
     }
   }
 }
 void ciTypeStackSlotEntries::translate_type_data_from(const TypeStackSlotEntries* entries) {
   for (int i = 0; i < _number_of_entries; i++) {
     intptr_t k = entries->type(i);
     TypeStackSlotEntries::set_type(i, translate_klass(k));
   }
 }
 void ciReturnTypeEntry::translate_type_data_from(const ReturnTypeEntry* ret) {
   intptr_t k = ret->type();
   set_type(translate_klass(k));
 }
 void ciSpeculativeTrapData::translate_from(const ProfileData* data) {
   Method* m = data->as_SpeculativeTrapData()->method();
   ciMethod* ci_m = CURRENT_ENV->get_method(m);
   CURRENT_ENV->ensure_metadata_alive(ci_m);
   set_method(ci_m);
 }
 // Get the data at an arbitrary (sort of) data index.
 ciProfileData* ciMethodData::data_at(int data_index) {
   if (out_of_bounds(data_index)) {
     return NULL;
   }
   DataLayout* data_layout = data_layout_at(data_index);
   switch (data_layout->tag()) {
   case DataLayout::no_tag:
   default:
     ShouldNotReachHere();
     return NULL;
   case DataLayout::bit_data_tag:
     return new ciBitData(data_layout);
   case DataLayout::counter_data_tag:
     return new ciCounterData(data_layout);
   case DataLayout::jump_data_tag:
     return new ciJumpData(data_layout);
   case DataLayout::receiver_type_data_tag:
     return new ciReceiverTypeData(data_layout);
   case DataLayout::virtual_call_data_tag:
     return new ciVirtualCallData(data_layout);
   case DataLayout::ret_data_tag:
     return new ciRetData(data_layout);
   case DataLayout::branch_data_tag:
     return new ciBranchData(data_layout);
   case DataLayout::multi_branch_data_tag:
     return new ciMultiBranchData(data_layout);
   case DataLayout::arg_info_data_tag:
     return new ciArgInfoData(data_layout);
   case DataLayout::call_type_data_tag:
     return new ciCallTypeData(data_layout);
   case DataLayout::virtual_call_type_data_tag:
     return new ciVirtualCallTypeData(data_layout);
   case DataLayout::parameters_type_data_tag:
     return new ciParametersTypeData(data_layout);
   };
 }
 // Iteration over data.
 ciProfileData* ciMethodData::next_data(ciProfileData* current) {
   int current_index = dp_to_di(current->dp());
   int next_index = current_index + current->size_in_bytes();
   ciProfileData* next = data_at(next_index);
   return next;
 }
 ciProfileData* ciMethodData::bci_to_extra_data(int bci, ciMethod* m, bool& two_free_slots) {
   // bci_to_extra_data(bci) ...
   DataLayout* dp  = data_layout_at(data_size());
   DataLayout* end = data_layout_at(data_size() + extra_data_size());
   two_free_slots = false;
   for (;dp < end; dp = MethodData::next_extra(dp)) {
     switch(dp->tag()) {
     case DataLayout::no_tag:
       _saw_free_extra_data = true;  // observed an empty slot (common case)
       two_free_slots = (MethodData::next_extra(dp)->tag() == DataLayout::no_tag);
       return NULL;
     case DataLayout::arg_info_data_tag:
       return NULL; // ArgInfoData is at the end of extra data section.
     case DataLayout::bit_data_tag:
       if (m == NULL && dp->bci() == bci) {
         return new ciBitData(dp);
       }
       break;
     case DataLayout::speculative_trap_data_tag: {
       ciSpeculativeTrapData* data = new ciSpeculativeTrapData(dp);
       // data->method() might be null if the MDO is snapshotted
       // concurrently with a trap
       if (m != NULL && data->method() == m && dp->bci() == bci) {
         return data;
       }
       break;
     }
     default:
       fatal(err_msg("bad tag = %d", dp->tag()));
     }
   }
   return NULL;
 }
 // Translate a bci to its corresponding data, or NULL.
 ciProfileData* ciMethodData::bci_to_data(int bci, ciMethod* m) {
   // If m is not NULL we look for a SpeculativeTrapData entry
   if (m == NULL) {
     ciProfileData* data = data_before(bci);
     for ( ; is_valid(data); data = next_data(data)) {
       if (data->bci() == bci) {
         set_hint_di(dp_to_di(data->dp()));
         return data;
       } else if (data->bci() > bci) {
         break;
       }
     }
   }
   bool two_free_slots = false;
   ciProfileData* result = bci_to_extra_data(bci, m, two_free_slots);
   if (result != NULL) {
     return result;
   }
   if (m != NULL && !two_free_slots) {
     // We were looking for a SpeculativeTrapData entry we didn't
     // find. Room is not available for more SpeculativeTrapData
     // entries, look in the non SpeculativeTrapData entries.
     return bci_to_data(bci, NULL);
   }
   return NULL;
 }
 // Conservatively decode the trap_state of a ciProfileData.
 int ciMethodData::has_trap_at(ciProfileData* data, int reason) {
   typedef Deoptimization::DeoptReason DR_t;
   int per_bc_reason
     = Deoptimization::reason_recorded_per_bytecode_if_any((DR_t) reason);
   if (trap_count(reason) == 0) {
     // Impossible for this trap to have occurred, regardless of trap_state.
     // Note:  This happens if the MDO is empty.
     return 0;
   } else if (per_bc_reason == Deoptimization::Reason_none) {
     // We cannot conclude anything; a trap happened somewhere, maybe here.
     return -1;
   } else if (data == NULL) {
     // No profile here, not even an extra_data record allocated on the fly.
     // If there are empty extra_data records, and there had been a trap,
     // there would have been a non-null data pointer.  If there are no
     // free extra_data records, we must return a conservative -1.
     if (_saw_free_extra_data)
       return 0;                 // Q.E.D.
     else
       return -1;                // bail with a conservative answer
   } else {
     return Deoptimization::trap_state_has_reason(data->trap_state(), per_bc_reason);
   }
 }
 int ciMethodData::trap_recompiled_at(ciProfileData* data) {
   if (data == NULL) {
     return (_saw_free_extra_data? 0: -1);  // (see previous method)
   } else {
     return Deoptimization::trap_state_is_recompiled(data->trap_state())? 1: 0;
   }
 }
 void ciMethodData::clear_escape_info() {
   VM_ENTRY_MARK;
   MethodData* mdo = get_MethodData();
   if (mdo != NULL) {
     mdo->clear_escape_info();
     ArgInfoData *aid = arg_info();
     int arg_count = (aid == NULL) ? 0 : aid->number_of_args();
     for (int i = 0; i < arg_count; i++) {
       set_arg_modified(i, 0);
     }
   }
   _eflags = _arg_local = _arg_stack = _arg_returned = 0;
 }
 // copy our escape info to the MethodData* if it exists
 void ciMethodData::update_escape_info() {
   VM_ENTRY_MARK;
   MethodData* mdo = get_MethodData();
   if ( mdo != NULL) {
     mdo->set_eflags(_eflags);
     mdo->set_arg_local(_arg_local);
     mdo->set_arg_stack(_arg_stack);
     mdo->set_arg_returned(_arg_returned);
     int arg_count = mdo->method()->size_of_parameters();
     for (int i = 0; i < arg_count; i++) {
       mdo->set_arg_modified(i, arg_modified(i));
     }
   }
 }
 void ciMethodData::set_compilation_stats(short loops, short blocks) {
   VM_ENTRY_MARK;
   MethodData* mdo = get_MethodData();
   if (mdo != NULL) {
     mdo->set_num_loops(loops);
     mdo->set_num_blocks(blocks);
   }
 }
 void ciMethodData::set_would_profile(bool p) {
   VM_ENTRY_MARK;
   MethodData* mdo = get_MethodData();
   if (mdo != NULL) {
     mdo->set_would_profile(p);
   }
 }
 void ciMethodData::set_argument_type(int bci, int i, ciKlass* k) {
   VM_ENTRY_MARK;
   MethodData* mdo = get_MethodData();
   if (mdo != NULL) {
     ProfileData* data = mdo->bci_to_data(bci);
     if (data->is_CallTypeData()) {
       data->as_CallTypeData()->set_argument_type(i, k->get_Klass());
     } else {
       assert(data->is_VirtualCallTypeData(), "no arguments!");
       data->as_VirtualCallTypeData()->set_argument_type(i, k->get_Klass());
     }
   }
 }
 void ciMethodData::set_parameter_type(int i, ciKlass* k) {
   VM_ENTRY_MARK;
   MethodData* mdo = get_MethodData();
   if (mdo != NULL) {
     mdo->parameters_type_data()->set_type(i, k->get_Klass());
   }
 }
 void ciMethodData::set_return_type(int bci, ciKlass* k) {
   VM_ENTRY_MARK;
   MethodData* mdo = get_MethodData();
   if (mdo != NULL) {
     ProfileData* data = mdo->bci_to_data(bci);
     if (data->is_CallTypeData()) {
       data->as_CallTypeData()->set_return_type(k->get_Klass());
     } else {
       assert(data->is_VirtualCallTypeData(), "no arguments!");
       data->as_VirtualCallTypeData()->set_return_type(k->get_Klass());
     }
   }
 }
 bool ciMethodData::has_escape_info() {
   return eflag_set(MethodData::estimated);
 }
 void ciMethodData::set_eflag(MethodData::EscapeFlag f) {
   set_bits(_eflags, f);
 }
 void ciMethodData::clear_eflag(MethodData::EscapeFlag f) {
   clear_bits(_eflags, f);
 }
 bool ciMethodData::eflag_set(MethodData::EscapeFlag f) const {
   return mask_bits(_eflags, f) != 0;
 }
 void ciMethodData::set_arg_local(int i) {
   set_nth_bit(_arg_local, i);
 }
 void ciMethodData::set_arg_stack(int i) {
   set_nth_bit(_arg_stack, i);
 }
 void ciMethodData::set_arg_returned(int i) {
   set_nth_bit(_arg_returned, i);
 }
 void ciMethodData::set_arg_modified(int arg, uint val) {
   ArgInfoData *aid = arg_info();
   if (aid == NULL)
     return;
   assert(arg >= 0 && arg < aid->number_of_args(), "valid argument number");
   aid->set_arg_modified(arg, val);
 }
 bool ciMethodData::is_arg_local(int i) const {
   return is_set_nth_bit(_arg_local, i);
 }
 bool ciMethodData::is_arg_stack(int i) const {
   return is_set_nth_bit(_arg_stack, i);
 }
 bool ciMethodData::is_arg_returned(int i) const {
   return is_set_nth_bit(_arg_returned, i);
 }
 uint ciMethodData::arg_modified(int arg) const {
   ArgInfoData *aid = arg_info();
   if (aid == NULL)
     return 0;
   assert(arg >= 0 && arg < aid->number_of_args(), "valid argument number");
   return aid->arg_modified(arg);
 }
 ByteSize ciMethodData::offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) {
   // Get offset within MethodData* of the data array
   ByteSize data_offset = MethodData::data_offset();
   // Get cell offset of the ProfileData within data array
   int cell_offset = dp_to_di(data->dp());
   // Add in counter_offset, the # of bytes into the ProfileData of counter or flag
   int offset = in_bytes(data_offset) + cell_offset + in_bytes(slot_offset_in_data);
   return in_ByteSize(offset);
 }
 ciArgInfoData *ciMethodData::arg_info() const {
   // Should be last, have to skip all traps.
   DataLayout* dp  = data_layout_at(data_size());
   DataLayout* end = data_layout_at(data_size() + extra_data_size());
   for (; dp < end; dp = MethodData::next_extra(dp)) {
     if (dp->tag() == DataLayout::arg_info_data_tag)
       return new ciArgInfoData(dp);
   }
   return NULL;
 }
 // Implementation of the print method.
 void ciMethodData::print_impl(outputStream* st) {
   ciMetadata::print_impl(st);
 }
 void ciMethodData::dump_replay_data(outputStream* out) {
   ResourceMark rm;
   MethodData* mdo = get_MethodData();
   Method* method = mdo->method();
   Klass* holder = method->method_holder();
   out->print("ciMethodData %s %s %s %d %d",
              holder->name()->as_quoted_ascii(),
              method->name()->as_quoted_ascii(),
              method->signature()->as_quoted_ascii(),
              _state,
              current_mileage());
   // dump the contents of the MDO header as raw data
   unsigned char* orig = (unsigned char*)&_orig;
   int length = sizeof(_orig);
   out->print(" orig %d", length);
   for (int i = 0; i < length; i++) {
     out->print(" %d", orig[i]);
   }
   // dump the MDO data as raw data
   int elements = data_size() / sizeof(intptr_t);
   out->print(" data %d", elements);
   for (int i = 0; i < elements; i++) {
     // We could use INTPTR_FORMAT here but that's a zero justified
     // which makes comparing it with the SA version of this output
     // harder.
 #ifdef _LP64
     out->print(" 0x%" FORMAT64_MODIFIER "x", data()[i]);
 #else
     out->print(" 0x%x", data()[i]);
 #endif
   }
   // The MDO contained oop references as ciObjects, so scan for those
   // and emit pairs of offset and klass name so that they can be
   // reconstructed at runtime.  The first round counts the number of
   // oop references and the second actually emits them.
   int count = 0;
   for (int round = 0; round < 2; round++) {
     if (round == 1) out->print(" oops %d", count);
     ProfileData* pdata = first_data();
     for ( ; is_valid(pdata); pdata = next_data(pdata)) {
       if (pdata->is_ReceiverTypeData()) {
         ciReceiverTypeData* vdata = (ciReceiverTypeData*)pdata;
         for (uint i = 0; i < vdata->row_limit(); i++) {
           ciKlass* k = vdata->receiver(i);
           if (k != NULL) {
             if (round == 0) {
               count++;
             } else {
               out->print(" %d %s", (int)(dp_to_di(vdata->dp() + in_bytes(vdata->receiver_offset(i))) / sizeof(intptr_t)), k->name()->as_quoted_ascii());
             }
           }
         }
       } else if (pdata->is_VirtualCallData()) {
         ciVirtualCallData* vdata = (ciVirtualCallData*)pdata;
         for (uint i = 0; i < vdata->row_limit(); i++) {
           ciKlass* k = vdata->receiver(i);
           if (k != NULL) {
             if (round == 0) {
               count++;
             } else {
               out->print(" %d %s", (int)(dp_to_di(vdata->dp() + in_bytes(vdata->receiver_offset(i))) / sizeof(intptr_t)), k->name()->as_quoted_ascii());
             }
           }
         }
       }
     }
   }
   out->cr();
 }
 #ifndef PRODUCT
 void ciMethodData::print() {
   print_data_on(tty);
 }
 void ciMethodData::print_data_on(outputStream* st) {
   ResourceMark rm;
   ciProfileData* data;
   for (data = first_data(); is_valid(data); data = next_data(data)) {
     st->print("%d", dp_to_di(data->dp()));
     st->fill_to(6);
     data->print_data_on(st);
   }
   st->print_cr("--- Extra data:");
   DataLayout* dp  = data_layout_at(data_size());
   DataLayout* end = data_layout_at(data_size() + extra_data_size());
   for (;; dp = MethodData::next_extra(dp)) {
     assert(dp < end, "moved past end of extra data");
     switch (dp->tag()) {
     case DataLayout::no_tag:
       continue;
     case DataLayout::bit_data_tag:
       data = new BitData(dp);
       break;
     case DataLayout::arg_info_data_tag:
       data = new ciArgInfoData(dp);
       dp = end; // ArgInfoData is at the end of extra data section.
       break;
     default:
       fatal(err_msg("unexpected tag %d", dp->tag()));
     }
     st->print("%d", dp_to_di(data->dp()));
     st->fill_to(6);
     data->print_data_on(st);
     if (dp >= end) return;
   }
 }
 void ciTypeEntries::print_ciklass(outputStream* st, intptr_t k) {
   if (TypeEntries::is_type_none(k)) {
     st->print("none");
   } else if (TypeEntries::is_type_unknown(k)) {
     st->print("unknown");
   } else {
     valid_ciklass(k)->print_name_on(st);
   }
   if (TypeEntries::was_null_seen(k)) {
     st->print(" (null seen)");
   }
 }
 void ciTypeStackSlotEntries::print_data_on(outputStream* st) const {
   for (int i = 0; i < _number_of_entries; i++) {
     _pd->tab(st);
     st->print("%d: stack (%u) ", i, stack_slot(i));
     print_ciklass(st, type(i));
     st->cr();
   }
 }
 void ciReturnTypeEntry::print_data_on(outputStream* st) const {
   _pd->tab(st);
   st->print("ret ");
   print_ciklass(st, type());
   st->cr();
 }
 void ciCallTypeData::print_data_on(outputStream* st, const char* extra) const {
   print_shared(st, "ciCallTypeData", extra);
   if (has_arguments()) {
     tab(st, true);
     st->print("argument types");
     args()->print_data_on(st);
   }
   if (has_return()) {
     tab(st, true);
     st->print("return type");
     ret()->print_data_on(st);
   }
 }
 void ciReceiverTypeData::print_receiver_data_on(outputStream* st) const {
   uint row;
   int entries = 0;
   for (row = 0; row < row_limit(); row++) {
     if (receiver(row) != NULL)  entries++;
   }
   st->print_cr("count(%u) entries(%u)", count(), entries);
   for (row = 0; row < row_limit(); row++) {
     if (receiver(row) != NULL) {
       tab(st);
       receiver(row)->print_name_on(st);
       st->print_cr("(%u)", receiver_count(row));
     }
   }
 }
 void ciReceiverTypeData::print_data_on(outputStream* st, const char* extra) const {
   print_shared(st, "ciReceiverTypeData", extra);
   print_receiver_data_on(st);
 }
 void ciVirtualCallData::print_data_on(outputStream* st, const char* extra) const {
   print_shared(st, "ciVirtualCallData", extra);
   rtd_super()->print_receiver_data_on(st);
 }
 void ciVirtualCallTypeData::print_data_on(outputStream* st, const char* extra) const {
   print_shared(st, "ciVirtualCallTypeData", extra);
   rtd_super()->print_receiver_data_on(st);
   if (has_arguments()) {
     tab(st, true);
     st->print("argument types");
     args()->print_data_on(st);
   }
   if (has_return()) {
     tab(st, true);
     st->print("return type");
     ret()->print_data_on(st);
   }
 }
 void ciParametersTypeData::print_data_on(outputStream* st, const char* extra) const {
   st->print_cr("ciParametersTypeData");
   parameters()->print_data_on(st);
 }
 void ciSpeculativeTrapData::print_data_on(outputStream* st, const char* extra) const {
   st->print_cr("ciSpeculativeTrapData");
   tab(st);
   method()->print_short_name(st);
   st->cr();
 }
 #endif

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/ci/ciMethodData.cpp@2c6ef90f030a (annotated)

src/share/vm/ci/ciMethodData.cpp