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annotate src/cpu/sparc/vm/methodHandles_sparc.hpp @ 6812:988bf00cc564

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7200261: G1: Liveness counting inconsistencies during marking verification Summary: The clipping code in the routine that sets the bits for a range of cards, in the liveness accounting verification code was incorrect. It set all the bits in the card bitmap from the given starting index which would lead to spurious marking verification failures. Reviewed-by: brutisso, jwilhelm, jmasa
author johnc
date Thu, 27 Sep 2012 15:44:01 -0700
parents da91efe96a93
children 65d07d9ee446
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1 /*
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2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 // Platform-specific definitions for method handles.
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26 // These definitions are inlined into class MethodHandles.
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27
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28 // Adapters
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29 enum /* platform_dependent_constants */ {
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30 adapter_code_size = NOT_LP64(23000 DEBUG_ONLY(+ 40000)) LP64_ONLY(35000 DEBUG_ONLY(+ 50000))
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31 };
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32
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33 // Additional helper methods for MethodHandles code generation:
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34 public:
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35 static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg);
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37 static void verify_klass(MacroAssembler* _masm,
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38 Register obj_reg, SystemDictionary::WKID klass_id,
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39 Register temp_reg, Register temp2_reg,
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40 const char* error_message = "wrong klass") NOT_DEBUG_RETURN;
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41
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42 static void verify_method_handle(MacroAssembler* _masm, Register mh_reg,
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43 Register temp_reg, Register temp2_reg) {
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44 verify_klass(_masm, mh_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_invoke_MethodHandle),
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45 temp_reg, temp2_reg,
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46 "reference is a MH");
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47 }
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48
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49 static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN;
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50
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51 // Similar to InterpreterMacroAssembler::jump_from_interpreted.
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52 // Takes care of special dispatch from single stepping too.
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53 static void jump_from_method_handle(MacroAssembler* _masm, Register method,
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54 Register temp, Register temp2,
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55 bool for_compiler_entry);
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56
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57 static void jump_to_lambda_form(MacroAssembler* _masm,
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58 Register recv, Register method_temp,
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59 Register temp2, Register temp3,
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60 bool for_compiler_entry);
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61
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62 static void trace_method_handle(MacroAssembler* _masm, const char* adaptername) PRODUCT_RETURN;