author | roland |
Wed, 13 Nov 2013 13:45:50 +0100 | |
changeset 21581 | 73584c201e2d |
parent 21099 | 46e6bbecd9e5 |
child 22234 | da823d78ad65 |
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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class ciParametersTypeData; |
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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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ciKlass* res = (ciKlass*)TypeEntries::klass_part(k); |
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assert(res != NULL, "invalid"); |
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return res; |
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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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bool maybe_null(int i) const { |
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return was_null_seen(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 ciReturnTypeEntry : public ReturnTypeEntry, ciTypeEntries { |
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public: |
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void translate_type_data_from(const ReturnTypeEntry* ret); |
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ciKlass* valid_type() const { |
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return valid_ciklass(type()); |
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} |
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bool maybe_null() const { |
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return was_null_seen(type()); |
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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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ciReturnTypeEntry* ret() const { return (ciReturnTypeEntry*)CallTypeData::ret(); } |
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void translate_from(const ProfileData* data) { |
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if (has_arguments()) { |
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args()->translate_type_data_from(data->as_CallTypeData()->args()); |
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} |
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if (has_return()) { |
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ret()->translate_type_data_from(data->as_CallTypeData()->ret()); |
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} |
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} |
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intptr_t argument_type(int i) const { |
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assert(has_arguments(), "no arg type profiling data"); |
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return args()->type(i); |
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} |
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ciKlass* valid_argument_type(int i) const { |
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assert(has_arguments(), "no arg type profiling data"); |
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return args()->valid_type(i); |
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} |
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intptr_t return_type() const { |
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assert(has_return(), "no ret type profiling data"); |
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return ret()->type(); |
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} |
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ciKlass* valid_return_type() const { |
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assert(has_return(), "no ret type profiling data"); |
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return ret()->valid_type(); |
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} |
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bool argument_maybe_null(int i) const { |
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return args()->maybe_null(i); |
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} |
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bool return_maybe_null() const { |
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return ret()->maybe_null(); |
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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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public: |
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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) { |
1 | 199 |
translate_receiver_data_from(data); |
200 |
} |
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void translate_receiver_data_from(const ProfileData* data); |
1 | 202 |
#ifndef PRODUCT |
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void print_data_on(outputStream* st) const; |
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void print_receiver_data_on(outputStream* st) const; |
1 | 205 |
#endif |
206 |
}; |
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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; } |
1 | 211 |
|
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public: |
|
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ciVirtualCallData(DataLayout* layout) : VirtualCallData(layout) {}; |
|
214 |
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215 |
void set_receiver(uint row, ciKlass* recv) { |
|
216 |
rtd_super()->set_receiver(row, recv); |
|
217 |
} |
|
218 |
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219 |
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) { |
1 | 225 |
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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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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ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)VirtualCallTypeData::args(); } |
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ciReturnTypeEntry* ret() const { return (ciReturnTypeEntry*)VirtualCallTypeData::ret(); } |
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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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if (has_arguments()) { |
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args()->translate_type_data_from(data->as_VirtualCallTypeData()->args()); |
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} |
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if (has_return()) { |
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ret()->translate_type_data_from(data->as_VirtualCallTypeData()->ret()); |
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} |
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} |
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intptr_t argument_type(int i) const { |
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assert(has_arguments(), "no arg type profiling data"); |
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return args()->type(i); |
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} |
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ciKlass* valid_argument_type(int i) const { |
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assert(has_arguments(), "no arg type profiling data"); |
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return args()->valid_type(i); |
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} |
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intptr_t return_type() const { |
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assert(has_return(), "no ret type profiling data"); |
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return ret()->type(); |
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} |
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ciKlass* valid_return_type() const { |
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assert(has_return(), "no ret type profiling data"); |
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return ret()->valid_type(); |
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} |
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280 |
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bool argument_maybe_null(int i) const { |
282 |
return args()->maybe_null(i); |
|
283 |
} |
|
284 |
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285 |
bool return_maybe_null() const { |
|
286 |
return ret()->maybe_null(); |
|
287 |
} |
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#ifndef PRODUCT |
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void print_data_on(outputStream* st) const; |
1 | 291 |
#endif |
292 |
}; |
|
293 |
||
294 |
||
295 |
class ciRetData : public RetData { |
|
296 |
public: |
|
297 |
ciRetData(DataLayout* layout) : RetData(layout) {}; |
|
298 |
}; |
|
299 |
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300 |
class ciBranchData : public BranchData { |
|
301 |
public: |
|
302 |
ciBranchData(DataLayout* layout) : BranchData(layout) {}; |
|
303 |
}; |
|
304 |
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305 |
class ciArrayData : public ArrayData { |
|
306 |
public: |
|
307 |
ciArrayData(DataLayout* layout) : ArrayData(layout) {}; |
|
308 |
}; |
|
309 |
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310 |
class ciMultiBranchData : public MultiBranchData { |
|
311 |
public: |
|
312 |
ciMultiBranchData(DataLayout* layout) : MultiBranchData(layout) {}; |
|
313 |
}; |
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314 |
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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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class ciParametersTypeData : public ParametersTypeData { |
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public: |
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ciParametersTypeData(DataLayout* layout) : ParametersTypeData(layout) {} |
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323 |
|
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virtual void translate_from(const ProfileData* data) { |
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parameters()->translate_type_data_from(data->as_ParametersTypeData()->parameters()); |
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} |
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ciTypeStackSlotEntries* parameters() const { return (ciTypeStackSlotEntries*)ParametersTypeData::parameters(); } |
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329 |
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ciKlass* valid_parameter_type(int i) const { |
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return parameters()->valid_type(i); |
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332 |
} |
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333 |
|
21099 | 334 |
bool parameter_maybe_null(int i) const { |
335 |
return parameters()->maybe_null(i); |
|
336 |
} |
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337 |
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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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342 |
|
1 | 343 |
// ciMethodData |
344 |
// |
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// This class represents a MethodData* in the HotSpot virtual |
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// machine. |
347 |
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class ciMethodData : public ciMetadata { |
1 | 349 |
CI_PACKAGE_ACCESS |
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friend class ciReplay; |
1 | 351 |
|
352 |
private: |
|
353 |
// Size in bytes |
|
354 |
int _data_size; |
|
355 |
int _extra_data_size; |
|
356 |
||
357 |
// Data entries |
|
358 |
intptr_t* _data; |
|
359 |
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360 |
// Cached hint for data_before() |
|
361 |
int _hint_di; |
|
362 |
||
363 |
// Is data attached? And is it mature? |
|
364 |
enum { empty_state, immature_state, mature_state }; |
|
365 |
u_char _state; |
|
366 |
||
367 |
// Set this true if empty extra_data slots are ever witnessed. |
|
368 |
u_char _saw_free_extra_data; |
|
369 |
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370 |
// Support for interprocedural escape analysis |
|
371 |
intx _eflags; // flags on escape information |
|
372 |
intx _arg_local; // bit set of non-escaping arguments |
|
373 |
intx _arg_stack; // bit set of stack-allocatable arguments |
|
374 |
intx _arg_returned; // bit set of returned arguments |
|
375 |
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376 |
// Maturity of the oop when the snapshot is taken. |
|
377 |
int _current_mileage; |
|
378 |
||
6453 | 379 |
// These counters hold the age of MDO in tiered. In tiered we can have the same method |
380 |
// running at different compilation levels concurrently. So, in order to precisely measure |
|
381 |
// its maturity we need separate counters. |
|
382 |
int _invocation_counter; |
|
383 |
int _backedge_counter; |
|
384 |
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1 | 385 |
// Coherent snapshot of original header. |
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MethodData _orig; |
1 | 387 |
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// Dedicated area dedicated to parameters. Null if no parameter |
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// profiling for this method. |
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DataLayout* _parameters; |
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391 |
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392 |
ciMethodData(MethodData* md); |
1 | 393 |
ciMethodData(); |
394 |
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395 |
// 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 | 399 |
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MethodData* get_MethodData() const { |
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401 |
return (MethodData*)_metadata; |
1 | 402 |
} |
403 |
||
404 |
const char* type_string() { return "ciMethodData"; } |
|
405 |
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406 |
void print_impl(outputStream* st); |
|
407 |
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DataLayout* data_layout_at(int data_index) const { |
1 | 409 |
assert(data_index % sizeof(intptr_t) == 0, "unaligned"); |
410 |
return (DataLayout*) (((address)_data) + data_index); |
|
411 |
} |
|
412 |
||
413 |
bool out_of_bounds(int data_index) { |
|
414 |
return data_index >= data_size(); |
|
415 |
} |
|
416 |
||
417 |
// hint accessors |
|
418 |
int hint_di() const { return _hint_di; } |
|
419 |
void set_hint_di(int di) { |
|
420 |
assert(!out_of_bounds(di), "hint_di out of bounds"); |
|
421 |
_hint_di = di; |
|
422 |
} |
|
423 |
ciProfileData* data_before(int bci) { |
|
424 |
// avoid SEGV on this edge case |
|
425 |
if (data_size() == 0) |
|
426 |
return NULL; |
|
427 |
int hint = hint_di(); |
|
428 |
if (data_layout_at(hint)->bci() <= bci) |
|
429 |
return data_at(hint); |
|
430 |
return first_data(); |
|
431 |
} |
|
432 |
||
433 |
||
434 |
// What is the index of the first data entry? |
|
435 |
int first_di() { return 0; } |
|
436 |
||
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ciArgInfoData *arg_info() const; |
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438 |
|
1 | 439 |
public: |
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440 |
bool is_method_data() const { return true; } |
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|
441 |
|
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442 |
bool is_empty() { return _state == empty_state; } |
1 | 443 |
bool is_mature() { return _state == mature_state; } |
444 |
||
445 |
int creation_mileage() { return _orig.creation_mileage(); } |
|
446 |
int current_mileage() { return _current_mileage; } |
|
447 |
||
6453 | 448 |
int invocation_count() { return _invocation_counter; } |
449 |
int backedge_count() { return _backedge_counter; } |
|
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450 |
// Transfer information about the method to MethodData*. |
6453 | 451 |
// would_profile means we would like to profile this method, |
452 |
// meaning it's not trivial. |
|
453 |
void set_would_profile(bool p); |
|
454 |
// Also set the numer of loops and blocks in the method. |
|
455 |
// Again, this is used to determine if a method is trivial. |
|
456 |
void set_compilation_stats(short loops, short blocks); |
|
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|
457 |
// If the compiler finds a profiled type that is known statically |
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|
458 |
// for sure, set it in the MethodData |
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|
459 |
void set_argument_type(int bci, int i, ciKlass* k); |
21095
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|
460 |
void set_parameter_type(int i, ciKlass* k); |
20709
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|
461 |
void set_return_type(int bci, ciKlass* k); |
6453 | 462 |
|
1 | 463 |
void load_data(); |
464 |
||
465 |
// Convert a dp (data pointer) to a di (data index). |
|
466 |
int dp_to_di(address dp) { |
|
467 |
return dp - ((address)_data); |
|
468 |
} |
|
469 |
||
470 |
// Get the data at an arbitrary (sort of) data index. |
|
471 |
ciProfileData* data_at(int data_index); |
|
472 |
||
473 |
// Walk through the data in order. |
|
474 |
ciProfileData* first_data() { return data_at(first_di()); } |
|
475 |
ciProfileData* next_data(ciProfileData* current); |
|
476 |
bool is_valid(ciProfileData* current) { return current != NULL; } |
|
477 |
||
478 |
// Get the data at an arbitrary bci, or NULL if there is none. |
|
479 |
ciProfileData* bci_to_data(int bci); |
|
480 |
ciProfileData* bci_to_extra_data(int bci, bool create_if_missing); |
|
481 |
||
482 |
uint overflow_trap_count() const { |
|
483 |
return _orig.overflow_trap_count(); |
|
484 |
} |
|
485 |
uint overflow_recompile_count() const { |
|
486 |
return _orig.overflow_recompile_count(); |
|
487 |
} |
|
488 |
uint decompile_count() const { |
|
489 |
return _orig.decompile_count(); |
|
490 |
} |
|
491 |
uint trap_count(int reason) const { |
|
492 |
return _orig.trap_count(reason); |
|
493 |
} |
|
494 |
uint trap_reason_limit() const { return _orig.trap_reason_limit(); } |
|
495 |
uint trap_count_limit() const { return _orig.trap_count_limit(); } |
|
496 |
||
497 |
// Helpful query functions that decode trap_state. |
|
498 |
int has_trap_at(ciProfileData* data, int reason); |
|
499 |
int has_trap_at(int bci, int reason) { |
|
500 |
return has_trap_at(bci_to_data(bci), reason); |
|
501 |
} |
|
502 |
int trap_recompiled_at(ciProfileData* data); |
|
503 |
int trap_recompiled_at(int bci) { |
|
504 |
return trap_recompiled_at(bci_to_data(bci)); |
|
505 |
} |
|
506 |
||
507 |
void clear_escape_info(); |
|
508 |
bool has_escape_info(); |
|
509 |
void update_escape_info(); |
|
510 |
||
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diff
changeset
|
511 |
void set_eflag(MethodData::EscapeFlag f); |
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|
512 |
void clear_eflag(MethodData::EscapeFlag f); |
882756847a04
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|
513 |
bool eflag_set(MethodData::EscapeFlag f) const; |
1 | 514 |
|
515 |
void set_arg_local(int i); |
|
516 |
void set_arg_stack(int i); |
|
517 |
void set_arg_returned(int i); |
|
218
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diff
changeset
|
518 |
void set_arg_modified(int arg, uint val); |
1 | 519 |
|
520 |
bool is_arg_local(int i) const; |
|
521 |
bool is_arg_stack(int i) const; |
|
522 |
bool is_arg_returned(int i) const; |
|
218
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|
523 |
uint arg_modified(int arg) const; |
1 | 524 |
|
21095
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8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
525 |
ciParametersTypeData* parameters_type_data() const { |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
526 |
return _parameters != NULL ? new ciParametersTypeData(_parameters) : NULL; |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
527 |
} |
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
528 |
|
1 | 529 |
// Code generation helper |
530 |
ByteSize offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data); |
|
531 |
int byte_offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { return in_bytes(offset_of_slot(data, slot_offset_in_data)); } |
|
532 |
||
533 |
#ifndef PRODUCT |
|
534 |
// printing support for method data |
|
535 |
void print(); |
|
536 |
void print_data_on(outputStream* st); |
|
537 |
#endif |
|
14477
95e66ea71f71
6830717: replay of compilations would help with debugging
minqi
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diff
changeset
|
538 |
void dump_replay_data(outputStream* out); |
1 | 539 |
}; |
7397 | 540 |
|
541 |
#endif // SHARE_VM_CI_CIMETHODDATA_HPP |