author | roland |
Wed, 09 Oct 2013 16:32:21 +0200 | |
changeset 20702 | bbe0fcde6e13 |
parent 20695 | 4f5a5e95090b |
child 20709 | 034be898bf04 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef SHARE_VM_CI_CIMETHODDATA_HPP |
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#define SHARE_VM_CI_CIMETHODDATA_HPP |
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#include "ci/ciClassList.hpp" |
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#include "ci/ciKlass.hpp" |
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#include "ci/ciObject.hpp" |
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#include "ci/ciUtilities.hpp" |
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#include "oops/methodData.hpp" |
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#include "oops/oop.inline.hpp" |
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class ciBitData; |
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class ciCounterData; |
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class ciJumpData; |
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class ciReceiverTypeData; |
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class ciRetData; |
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class ciBranchData; |
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class ciArrayData; |
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class ciMultiBranchData; |
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class ciArgInfoData; |
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class ciCallTypeData; |
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class ciVirtualCallTypeData; |
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typedef ProfileData ciProfileData; |
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class ciBitData : public BitData { |
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public: |
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ciBitData(DataLayout* layout) : BitData(layout) {}; |
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}; |
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class ciCounterData : public CounterData { |
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public: |
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ciCounterData(DataLayout* layout) : CounterData(layout) {}; |
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}; |
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class ciJumpData : public JumpData { |
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public: |
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ciJumpData(DataLayout* layout) : JumpData(layout) {}; |
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}; |
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class ciTypeEntries { |
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protected: |
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static intptr_t translate_klass(intptr_t k) { |
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Klass* v = TypeEntries::valid_klass(k); |
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if (v != NULL) { |
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ciKlass* klass = CURRENT_ENV->get_klass(v); |
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return with_status(klass, k); |
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} |
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return with_status(NULL, k); |
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} |
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public: |
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static ciKlass* valid_ciklass(intptr_t k) { |
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if (!TypeEntries::is_type_none(k) && |
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!TypeEntries::is_type_unknown(k)) { |
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return (ciKlass*)TypeEntries::klass_part(k); |
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} else { |
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return NULL; |
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} |
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} |
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static intptr_t with_status(ciKlass* k, intptr_t in) { |
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return TypeEntries::with_status((intptr_t)k, in); |
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} |
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#ifndef PRODUCT |
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static void print_ciklass(outputStream* st, intptr_t k); |
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#endif |
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}; |
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class ciTypeStackSlotEntries : public TypeStackSlotEntries, ciTypeEntries { |
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public: |
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void translate_type_data_from(const TypeStackSlotEntries* args); |
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ciKlass* valid_type(int i) const { |
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return valid_ciklass(type(i)); |
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} |
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#ifndef PRODUCT |
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void print_data_on(outputStream* st) const; |
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#endif |
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}; |
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class ciCallTypeData : public CallTypeData { |
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public: |
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ciCallTypeData(DataLayout* layout) : CallTypeData(layout) {} |
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ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)CallTypeData::args(); } |
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virtual void translate_from(const ProfileData* data) { |
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args()->translate_type_data_from(data->as_CallTypeData()->args()); |
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} |
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ciKlass* valid_argument_type(int i) const { |
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return args()->valid_type(i); |
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} |
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#ifndef PRODUCT |
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void print_data_on(outputStream* st) const; |
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#endif |
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}; |
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class ciReceiverTypeData : public ReceiverTypeData { |
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ciReceiverTypeData(DataLayout* layout) : ReceiverTypeData(layout) {}; |
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void set_receiver(uint row, ciKlass* recv) { |
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assert((uint)row < row_limit(), "oob"); |
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set_intptr_at(receiver0_offset + row * receiver_type_row_cell_count, |
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(intptr_t) recv); |
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} |
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ciKlass* receiver(uint row) const { |
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assert((uint)row < row_limit(), "oob"); |
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ciKlass* recv = (ciKlass*)intptr_at(receiver0_offset + row * receiver_type_row_cell_count); |
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assert(recv == NULL || recv->is_klass(), "wrong type"); |
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return recv; |
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} |
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// Copy & translate from oop based ReceiverTypeData |
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virtual void translate_from(const ProfileData* data) { |
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translate_receiver_data_from(data); |
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} |
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void translate_receiver_data_from(const ProfileData* data); |
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void print_data_on(outputStream* st) const; |
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void print_receiver_data_on(outputStream* st) const; |
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#endif |
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}; |
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class ciVirtualCallData : public VirtualCallData { |
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// Fake multiple inheritance... It's a ciReceiverTypeData also. |
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ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; } |
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ciVirtualCallData(DataLayout* layout) : VirtualCallData(layout) {}; |
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void set_receiver(uint row, ciKlass* recv) { |
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rtd_super()->set_receiver(row, recv); |
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} |
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ciKlass* receiver(uint row) { |
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return rtd_super()->receiver(row); |
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} |
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// Copy & translate from oop based VirtualCallData |
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virtual void translate_from(const ProfileData* data) { |
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rtd_super()->translate_receiver_data_from(data); |
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} |
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#ifndef PRODUCT |
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void print_data_on(outputStream* st) const; |
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#endif |
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}; |
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class ciVirtualCallTypeData : public VirtualCallTypeData { |
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private: |
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// Fake multiple inheritance... It's a ciReceiverTypeData also. |
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ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; } |
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public: |
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ciVirtualCallTypeData(DataLayout* layout) : VirtualCallTypeData(layout) {} |
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ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)VirtualCallTypeData::args(); } |
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void set_receiver(uint row, ciKlass* recv) { |
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rtd_super()->set_receiver(row, recv); |
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} |
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ciKlass* receiver(uint row) const { |
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return rtd_super()->receiver(row); |
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} |
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// Copy & translate from oop based VirtualCallData |
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virtual void translate_from(const ProfileData* data) { |
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rtd_super()->translate_receiver_data_from(data); |
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args()->translate_type_data_from(data->as_VirtualCallTypeData()->args()); |
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} |
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ciKlass* valid_argument_type(int i) const { |
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return args()->valid_type(i); |
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} |
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#ifndef PRODUCT |
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void print_data_on(outputStream* st) const; |
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#endif |
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}; |
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class ciRetData : public RetData { |
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public: |
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ciRetData(DataLayout* layout) : RetData(layout) {}; |
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}; |
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class ciBranchData : public BranchData { |
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public: |
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ciBranchData(DataLayout* layout) : BranchData(layout) {}; |
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}; |
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class ciArrayData : public ArrayData { |
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public: |
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ciArrayData(DataLayout* layout) : ArrayData(layout) {}; |
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}; |
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class ciMultiBranchData : public MultiBranchData { |
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public: |
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ciMultiBranchData(DataLayout* layout) : MultiBranchData(layout) {}; |
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}; |
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class ciArgInfoData : public ArgInfoData { |
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public: |
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ciArgInfoData(DataLayout* layout) : ArgInfoData(layout) {}; |
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}; |
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1 | 237 |
// ciMethodData |
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// |
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// This class represents a MethodData* in the HotSpot virtual |
1 | 240 |
// machine. |
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class ciMethodData : public ciMetadata { |
1 | 243 |
CI_PACKAGE_ACCESS |
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friend class ciReplay; |
1 | 245 |
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private: |
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// Size in bytes |
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int _data_size; |
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int _extra_data_size; |
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// Data entries |
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intptr_t* _data; |
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// Cached hint for data_before() |
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int _hint_di; |
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// Is data attached? And is it mature? |
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enum { empty_state, immature_state, mature_state }; |
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u_char _state; |
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// Set this true if empty extra_data slots are ever witnessed. |
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u_char _saw_free_extra_data; |
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// Support for interprocedural escape analysis |
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intx _eflags; // flags on escape information |
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intx _arg_local; // bit set of non-escaping arguments |
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intx _arg_stack; // bit set of stack-allocatable arguments |
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intx _arg_returned; // bit set of returned arguments |
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// Maturity of the oop when the snapshot is taken. |
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int _current_mileage; |
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// These counters hold the age of MDO in tiered. In tiered we can have the same method |
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// running at different compilation levels concurrently. So, in order to precisely measure |
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// its maturity we need separate counters. |
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int _invocation_counter; |
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int _backedge_counter; |
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// Coherent snapshot of original header. |
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MethodData _orig; |
1 | 281 |
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ciMethodData(MethodData* md); |
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ciMethodData(); |
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// Accessors |
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int data_size() const { return _data_size; } |
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int extra_data_size() const { return _extra_data_size; } |
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intptr_t * data() const { return _data; } |
1 | 289 |
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MethodData* get_MethodData() const { |
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return (MethodData*)_metadata; |
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} |
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const char* type_string() { return "ciMethodData"; } |
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void print_impl(outputStream* st); |
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DataLayout* data_layout_at(int data_index) const { |
1 | 299 |
assert(data_index % sizeof(intptr_t) == 0, "unaligned"); |
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return (DataLayout*) (((address)_data) + data_index); |
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} |
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bool out_of_bounds(int data_index) { |
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return data_index >= data_size(); |
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} |
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// hint accessors |
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int hint_di() const { return _hint_di; } |
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void set_hint_di(int di) { |
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assert(!out_of_bounds(di), "hint_di out of bounds"); |
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_hint_di = di; |
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} |
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ciProfileData* data_before(int bci) { |
|
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// avoid SEGV on this edge case |
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if (data_size() == 0) |
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return NULL; |
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int hint = hint_di(); |
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if (data_layout_at(hint)->bci() <= bci) |
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return data_at(hint); |
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return first_data(); |
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} |
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// What is the index of the first data entry? |
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int first_di() { return 0; } |
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ciArgInfoData *arg_info() const; |
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|
1 | 329 |
public: |
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bool is_method_data() const { return true; } |
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bool is_empty() { return _state == empty_state; } |
1 | 333 |
bool is_mature() { return _state == mature_state; } |
334 |
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int creation_mileage() { return _orig.creation_mileage(); } |
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int current_mileage() { return _current_mileage; } |
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int invocation_count() { return _invocation_counter; } |
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int backedge_count() { return _backedge_counter; } |
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// Transfer information about the method to MethodData*. |
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// would_profile means we would like to profile this method, |
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// meaning it's not trivial. |
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void set_would_profile(bool p); |
|
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// Also set the numer of loops and blocks in the method. |
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// Again, this is used to determine if a method is trivial. |
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void set_compilation_stats(short loops, short blocks); |
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// If the compiler finds a profiled type that is known statically |
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// for sure, set it in the MethodData |
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void set_argument_type(int bci, int i, ciKlass* k); |
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1 | 351 |
void load_data(); |
352 |
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353 |
// Convert a dp (data pointer) to a di (data index). |
|
354 |
int dp_to_di(address dp) { |
|
355 |
return dp - ((address)_data); |
|
356 |
} |
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357 |
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// Get the data at an arbitrary (sort of) data index. |
|
359 |
ciProfileData* data_at(int data_index); |
|
360 |
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361 |
// Walk through the data in order. |
|
362 |
ciProfileData* first_data() { return data_at(first_di()); } |
|
363 |
ciProfileData* next_data(ciProfileData* current); |
|
364 |
bool is_valid(ciProfileData* current) { return current != NULL; } |
|
365 |
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// Get the data at an arbitrary bci, or NULL if there is none. |
|
367 |
ciProfileData* bci_to_data(int bci); |
|
368 |
ciProfileData* bci_to_extra_data(int bci, bool create_if_missing); |
|
369 |
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370 |
uint overflow_trap_count() const { |
|
371 |
return _orig.overflow_trap_count(); |
|
372 |
} |
|
373 |
uint overflow_recompile_count() const { |
|
374 |
return _orig.overflow_recompile_count(); |
|
375 |
} |
|
376 |
uint decompile_count() const { |
|
377 |
return _orig.decompile_count(); |
|
378 |
} |
|
379 |
uint trap_count(int reason) const { |
|
380 |
return _orig.trap_count(reason); |
|
381 |
} |
|
382 |
uint trap_reason_limit() const { return _orig.trap_reason_limit(); } |
|
383 |
uint trap_count_limit() const { return _orig.trap_count_limit(); } |
|
384 |
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385 |
// Helpful query functions that decode trap_state. |
|
386 |
int has_trap_at(ciProfileData* data, int reason); |
|
387 |
int has_trap_at(int bci, int reason) { |
|
388 |
return has_trap_at(bci_to_data(bci), reason); |
|
389 |
} |
|
390 |
int trap_recompiled_at(ciProfileData* data); |
|
391 |
int trap_recompiled_at(int bci) { |
|
392 |
return trap_recompiled_at(bci_to_data(bci)); |
|
393 |
} |
|
394 |
||
395 |
void clear_escape_info(); |
|
396 |
bool has_escape_info(); |
|
397 |
void update_escape_info(); |
|
398 |
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void set_eflag(MethodData::EscapeFlag f); |
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void clear_eflag(MethodData::EscapeFlag f); |
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bool eflag_set(MethodData::EscapeFlag f) const; |
1 | 402 |
|
403 |
void set_arg_local(int i); |
|
404 |
void set_arg_stack(int i); |
|
405 |
void set_arg_returned(int i); |
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void set_arg_modified(int arg, uint val); |
1 | 407 |
|
408 |
bool is_arg_local(int i) const; |
|
409 |
bool is_arg_stack(int i) const; |
|
410 |
bool is_arg_returned(int i) const; |
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uint arg_modified(int arg) const; |
1 | 412 |
|
413 |
// Code generation helper |
|
414 |
ByteSize offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data); |
|
415 |
int byte_offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { return in_bytes(offset_of_slot(data, slot_offset_in_data)); } |
|
416 |
||
417 |
#ifndef PRODUCT |
|
418 |
// printing support for method data |
|
419 |
void print(); |
|
420 |
void print_data_on(outputStream* st); |
|
421 |
#endif |
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void dump_replay_data(outputStream* out); |
1 | 423 |
}; |
7397 | 424 |
|
425 |
#endif // SHARE_VM_CI_CIMETHODDATA_HPP |