Mercurial > hg > graal-compiler
annotate src/cpu/ppc/vm/frame_ppc.inline.hpp @ 14443:3205e78d8193
8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
Summary: memory ordering fixes in GC and other runtime code showing on PPC64.
Reviewed-by: kvn, coleenp
author | goetz |
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date | Mon, 02 Dec 2013 10:26:14 +0100 |
parents | ec28f9c041ff |
children | 67fa91961822 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright 2012, 2013 SAP AG. All rights reserved. |
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 * |
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6 * This code is free software; you can redistribute it and/or modify it |
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7 * under the terms of the GNU General Public License version 2 only, as |
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8 * published by the Free Software Foundation. |
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9 * |
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10 * This code is distributed in the hope that it will be useful, but WITHOUT |
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 * version 2 for more details (a copy is included in the LICENSE file that |
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14 * accompanied this code). |
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15 * |
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16 * You should have received a copy of the GNU General Public License version |
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17 * 2 along with this work; if not, write to the Free Software Foundation, |
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 * |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
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23 * |
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24 */ |
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25 |
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26 #ifndef CPU_PPC_VM_FRAME_PPC_INLINE_HPP |
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27 #define CPU_PPC_VM_FRAME_PPC_INLINE_HPP |
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28 |
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29 #ifndef CC_INTERP |
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30 #error "CC_INTERP must be defined on PPC64" |
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31 #endif |
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32 |
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33 // Inline functions for ppc64 frames: |
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34 |
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35 // Find codeblob and set deopt_state. |
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36 inline void frame::find_codeblob_and_set_pc_and_deopt_state(address pc) { |
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37 assert(pc != NULL, "precondition: must have PC"); |
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38 |
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39 _cb = CodeCache::find_blob(pc); |
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40 _pc = pc; // Must be set for get_deopt_original_pc() |
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41 |
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42 _fp = (intptr_t*)own_abi()->callers_sp; |
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43 // Use _fp - frame_size, needs to be done between _cb and _pc initialization |
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44 // and get_deopt_original_pc. |
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45 adjust_unextended_sp(); |
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46 |
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47 address original_pc = nmethod::get_deopt_original_pc(this); |
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48 if (original_pc != NULL) { |
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49 _pc = original_pc; |
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50 _deopt_state = is_deoptimized; |
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51 } else { |
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52 _deopt_state = not_deoptimized; |
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53 } |
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54 |
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55 assert(((uint64_t)_sp & 0xf) == 0, "SP must be 16-byte aligned"); |
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56 } |
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57 |
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58 // Constructors |
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59 |
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60 // Initialize all fields, _unextended_sp will be adjusted in find_codeblob_and_set_pc_and_deopt_state. |
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61 inline frame::frame() : _sp(NULL), _unextended_sp(NULL), _fp(NULL), _cb(NULL), _pc(NULL), _deopt_state(unknown) {} |
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62 |
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63 inline frame::frame(intptr_t* sp) : _sp(sp), _unextended_sp(sp) { |
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64 find_codeblob_and_set_pc_and_deopt_state((address)own_abi()->lr); // also sets _fp and adjusts _unextended_sp |
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65 } |
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66 |
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67 inline frame::frame(intptr_t* sp, address pc) : _sp(sp), _unextended_sp(sp) { |
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68 find_codeblob_and_set_pc_and_deopt_state(pc); // also sets _fp and adjusts _unextended_sp |
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69 } |
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70 |
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71 inline frame::frame(intptr_t* sp, address pc, intptr_t* unextended_sp) : _sp(sp), _unextended_sp(unextended_sp) { |
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72 find_codeblob_and_set_pc_and_deopt_state(pc); // also sets _fp and adjusts _unextended_sp |
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73 } |
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74 |
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75 // Accessors |
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76 |
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77 // Return unique id for this frame. The id must have a value where we |
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78 // can distinguish identity and younger/older relationship. NULL |
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79 // represents an invalid (incomparable) frame. |
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80 inline intptr_t* frame::id(void) const { |
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81 // Use the _unextended_pc as the frame's ID. Because we have no |
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82 // adapters, but resized compiled frames, some of the new code |
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83 // (e.g. JVMTI) wouldn't work if we return the (current) SP of the |
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84 // frame. |
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85 return _unextended_sp; |
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86 } |
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87 |
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88 // Return true if this frame is older (less recent activation) than |
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89 // the frame represented by id. |
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90 inline bool frame::is_older(intptr_t* id) const { |
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91 assert(this->id() != NULL && id != NULL, "NULL frame id"); |
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92 // Stack grows towards smaller addresses on ppc64. |
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93 return this->id() > id; |
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94 } |
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95 |
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96 inline int frame::frame_size(RegisterMap* map) const { |
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97 // Stack grows towards smaller addresses on PPC64: sender is at a higher address. |
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98 return sender_sp() - sp(); |
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99 } |
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100 |
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101 // Return the frame's stack pointer before it has been extended by a |
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102 // c2i adapter. This is needed by deoptimization for ignoring c2i adapter |
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103 // frames. |
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104 inline intptr_t* frame::unextended_sp() const { |
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105 return _unextended_sp; |
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106 } |
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107 |
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108 // All frames have this field. |
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109 inline address frame::sender_pc() const { |
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110 return (address)callers_abi()->lr; |
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111 } |
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112 inline address* frame::sender_pc_addr() const { |
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113 return (address*)&(callers_abi()->lr); |
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114 } |
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115 |
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116 // All frames have this field. |
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117 inline intptr_t* frame::sender_sp() const { |
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118 return (intptr_t*)callers_abi(); |
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119 } |
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120 |
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121 // All frames have this field. |
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122 inline intptr_t* frame::link() const { |
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123 return (intptr_t*)callers_abi()->callers_sp; |
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124 } |
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125 |
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126 inline intptr_t* frame::real_fp() const { |
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127 return fp(); |
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128 } |
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129 |
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130 #ifdef CC_INTERP |
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131 |
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132 inline interpreterState frame::get_interpreterState() const { |
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133 return (interpreterState)(((address)callers_abi()) |
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134 - frame::interpreter_frame_cinterpreterstate_size_in_bytes()); |
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135 } |
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136 |
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137 inline intptr_t** frame::interpreter_frame_locals_addr() const { |
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138 interpreterState istate = get_interpreterState(); |
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139 return (intptr_t**)&istate->_locals; |
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140 } |
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141 |
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142 inline intptr_t* frame::interpreter_frame_bcx_addr() const { |
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143 interpreterState istate = get_interpreterState(); |
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144 return (intptr_t*)&istate->_bcp; |
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145 } |
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146 |
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147 inline intptr_t* frame::interpreter_frame_mdx_addr() const { |
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148 interpreterState istate = get_interpreterState(); |
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149 return (intptr_t*)&istate->_mdx; |
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150 } |
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151 |
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152 inline intptr_t* frame::interpreter_frame_expression_stack() const { |
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153 return (intptr_t*)interpreter_frame_monitor_end() - 1; |
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154 } |
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155 |
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156 inline jint frame::interpreter_frame_expression_stack_direction() { |
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157 return -1; |
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158 } |
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159 |
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160 // top of expression stack |
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161 inline intptr_t* frame::interpreter_frame_tos_address() const { |
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162 interpreterState istate = get_interpreterState(); |
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163 return istate->_stack + 1; |
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164 } |
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165 |
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166 inline intptr_t* frame::interpreter_frame_tos_at(jint offset) const { |
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167 return &interpreter_frame_tos_address()[offset]; |
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168 } |
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169 |
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170 // monitor elements |
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171 |
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172 // in keeping with Intel side: end is lower in memory than begin; |
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173 // and beginning element is oldest element |
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174 // Also begin is one past last monitor. |
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175 |
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176 inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const { |
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177 return get_interpreterState()->monitor_base(); |
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178 } |
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179 |
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180 inline BasicObjectLock* frame::interpreter_frame_monitor_end() const { |
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181 return (BasicObjectLock*)get_interpreterState()->stack_base(); |
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182 } |
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183 |
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184 inline int frame::interpreter_frame_cinterpreterstate_size_in_bytes() { |
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185 // Size of an interpreter object. Not aligned with frame size. |
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186 return round_to(sizeof(BytecodeInterpreter), 8); |
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187 } |
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188 |
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189 inline Method** frame::interpreter_frame_method_addr() const { |
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190 interpreterState istate = get_interpreterState(); |
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191 return &istate->_method; |
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192 } |
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193 |
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194 // Constant pool cache |
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195 |
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196 inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const { |
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197 interpreterState istate = get_interpreterState(); |
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198 return &istate->_constants; // should really use accessor |
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199 } |
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200 |
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201 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { |
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202 interpreterState istate = get_interpreterState(); |
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203 return &istate->_constants; |
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204 } |
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205 #endif // CC_INTERP |
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206 |
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207 inline int frame::interpreter_frame_monitor_size() { |
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208 // Number of stack slots for a monitor. |
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209 return round_to(BasicObjectLock::size(), // number of stack slots |
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210 WordsPerLong); // number of stack slots for a Java long |
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211 } |
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212 |
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213 inline int frame::interpreter_frame_monitor_size_in_bytes() { |
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214 return frame::interpreter_frame_monitor_size() * wordSize; |
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215 } |
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216 |
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217 // entry frames |
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218 |
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219 inline intptr_t* frame::entry_frame_argument_at(int offset) const { |
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220 // Since an entry frame always calls the interpreter first, the |
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221 // parameters are on the stack and relative to known register in the |
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222 // entry frame. |
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223 intptr_t* tos = (intptr_t*)get_entry_frame_locals()->arguments_tos_address; |
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224 return &tos[offset + 1]; // prepushed tos |
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225 } |
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226 |
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227 inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const { |
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228 return (JavaCallWrapper**)&get_entry_frame_locals()->call_wrapper_address; |
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229 } |
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230 |
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231 inline oop frame::saved_oop_result(RegisterMap* map) const { |
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232 return *((oop*)map->location(R3->as_VMReg())); |
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233 } |
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234 |
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235 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { |
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236 *((oop*)map->location(R3->as_VMReg())) = obj; |
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237 } |
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238 |
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239 #endif // CPU_PPC_VM_FRAME_PPC_INLINE_HPP |