Mercurial > hg > truffle
annotate src/cpu/ppc/vm/frame_ppc.inline.hpp @ 21836:b517d3a9aebf jdk8u31-b31
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author | asaha |
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date | Thu, 18 Dec 2014 14:30:02 -0800 |
parents | 63c5920a038d |
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1 /* |
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2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
17804 | 3 * Copyright 2012, 2014 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 |
17917 | 29 #include "code/codeCache.hpp" |
30 | |
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31 // Inline functions for ppc64 frames: |
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32 |
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33 // Find codeblob and set deopt_state. |
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34 inline void frame::find_codeblob_and_set_pc_and_deopt_state(address pc) { |
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35 assert(pc != NULL, "precondition: must have PC"); |
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36 |
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37 _cb = CodeCache::find_blob(pc); |
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38 _pc = pc; // Must be set for get_deopt_original_pc() |
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39 |
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40 _fp = (intptr_t*)own_abi()->callers_sp; |
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41 // Use _fp - frame_size, needs to be done between _cb and _pc initialization |
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42 // and get_deopt_original_pc. |
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43 adjust_unextended_sp(); |
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44 |
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45 address original_pc = nmethod::get_deopt_original_pc(this); |
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46 if (original_pc != NULL) { |
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47 _pc = original_pc; |
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48 _deopt_state = is_deoptimized; |
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49 } else { |
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50 _deopt_state = not_deoptimized; |
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51 } |
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52 |
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53 assert(((uint64_t)_sp & 0xf) == 0, "SP must be 16-byte aligned"); |
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54 } |
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55 |
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56 // Constructors |
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57 |
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58 // Initialize all fields, _unextended_sp will be adjusted in find_codeblob_and_set_pc_and_deopt_state. |
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59 inline frame::frame() : _sp(NULL), _unextended_sp(NULL), _fp(NULL), _cb(NULL), _pc(NULL), _deopt_state(unknown) {} |
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60 |
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61 inline frame::frame(intptr_t* sp) : _sp(sp), _unextended_sp(sp) { |
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62 find_codeblob_and_set_pc_and_deopt_state((address)own_abi()->lr); // also sets _fp and adjusts _unextended_sp |
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63 } |
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64 |
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65 inline frame::frame(intptr_t* sp, address pc) : _sp(sp), _unextended_sp(sp) { |
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66 find_codeblob_and_set_pc_and_deopt_state(pc); // also sets _fp and adjusts _unextended_sp |
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67 } |
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68 |
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69 inline frame::frame(intptr_t* sp, address pc, intptr_t* unextended_sp) : _sp(sp), _unextended_sp(unextended_sp) { |
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70 find_codeblob_and_set_pc_and_deopt_state(pc); // also sets _fp and adjusts _unextended_sp |
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71 } |
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72 |
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73 // Accessors |
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74 |
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75 // Return unique id for this frame. The id must have a value where we |
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76 // can distinguish identity and younger/older relationship. NULL |
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77 // represents an invalid (incomparable) frame. |
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78 inline intptr_t* frame::id(void) const { |
14445 | 79 // Use _fp. _sp or _unextended_sp wouldn't be correct due to resizing. |
80 return _fp; | |
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81 } |
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82 |
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83 // Return true if this frame is older (less recent activation) than |
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84 // the frame represented by id. |
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85 inline bool frame::is_older(intptr_t* id) const { |
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86 assert(this->id() != NULL && id != NULL, "NULL frame id"); |
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87 // Stack grows towards smaller addresses on ppc64. |
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88 return this->id() > id; |
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89 } |
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90 |
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91 inline int frame::frame_size(RegisterMap* map) const { |
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92 // Stack grows towards smaller addresses on PPC64: sender is at a higher address. |
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93 return sender_sp() - sp(); |
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94 } |
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95 |
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96 // Return the frame's stack pointer before it has been extended by a |
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97 // c2i adapter. This is needed by deoptimization for ignoring c2i adapter |
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98 // frames. |
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99 inline intptr_t* frame::unextended_sp() const { |
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100 return _unextended_sp; |
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101 } |
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102 |
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103 // All frames have this field. |
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104 inline address frame::sender_pc() const { |
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105 return (address)callers_abi()->lr; |
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106 } |
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107 inline address* frame::sender_pc_addr() const { |
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108 return (address*)&(callers_abi()->lr); |
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109 } |
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110 |
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111 // All frames have this field. |
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112 inline intptr_t* frame::sender_sp() const { |
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113 return (intptr_t*)callers_abi(); |
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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::link() const { |
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118 return (intptr_t*)callers_abi()->callers_sp; |
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119 } |
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120 |
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121 inline intptr_t* frame::real_fp() const { |
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122 return fp(); |
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123 } |
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124 |
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125 #ifdef CC_INTERP |
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126 |
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127 inline interpreterState frame::get_interpreterState() const { |
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128 return (interpreterState)(((address)callers_abi()) |
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129 - frame::interpreter_frame_cinterpreterstate_size_in_bytes()); |
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130 } |
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131 |
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132 inline intptr_t** frame::interpreter_frame_locals_addr() const { |
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133 interpreterState istate = get_interpreterState(); |
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134 return (intptr_t**)&istate->_locals; |
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135 } |
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136 |
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137 inline intptr_t* frame::interpreter_frame_bcx_addr() const { |
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138 interpreterState istate = get_interpreterState(); |
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139 return (intptr_t*)&istate->_bcp; |
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140 } |
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141 |
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142 inline intptr_t* frame::interpreter_frame_mdx_addr() const { |
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143 interpreterState istate = get_interpreterState(); |
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144 return (intptr_t*)&istate->_mdx; |
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145 } |
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146 |
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147 inline intptr_t* frame::interpreter_frame_expression_stack() const { |
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148 return (intptr_t*)interpreter_frame_monitor_end() - 1; |
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149 } |
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150 |
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151 inline jint frame::interpreter_frame_expression_stack_direction() { |
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152 return -1; |
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153 } |
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154 |
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155 // top of expression stack |
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156 inline intptr_t* frame::interpreter_frame_tos_address() const { |
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157 interpreterState istate = get_interpreterState(); |
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158 return istate->_stack + 1; |
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159 } |
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160 |
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161 inline intptr_t* frame::interpreter_frame_tos_at(jint offset) const { |
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162 return &interpreter_frame_tos_address()[offset]; |
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163 } |
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164 |
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165 // monitor elements |
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166 |
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167 // in keeping with Intel side: end is lower in memory than begin; |
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168 // and beginning element is oldest element |
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169 // Also begin is one past last monitor. |
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170 |
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171 inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const { |
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172 return get_interpreterState()->monitor_base(); |
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173 } |
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174 |
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175 inline BasicObjectLock* frame::interpreter_frame_monitor_end() const { |
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176 return (BasicObjectLock*)get_interpreterState()->stack_base(); |
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177 } |
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178 |
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179 inline int frame::interpreter_frame_cinterpreterstate_size_in_bytes() { |
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180 // Size of an interpreter object. Not aligned with frame size. |
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181 return round_to(sizeof(BytecodeInterpreter), 8); |
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182 } |
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183 |
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184 inline Method** frame::interpreter_frame_method_addr() const { |
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185 interpreterState istate = get_interpreterState(); |
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186 return &istate->_method; |
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187 } |
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188 |
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189 // Constant pool cache |
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190 |
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191 inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const { |
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192 interpreterState istate = get_interpreterState(); |
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193 return &istate->_constants; // should really use accessor |
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194 } |
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195 |
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196 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { |
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197 interpreterState istate = get_interpreterState(); |
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198 return &istate->_constants; |
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199 } |
17804 | 200 |
201 #else // !CC_INTERP | |
202 | |
203 // Template Interpreter frame value accessors. | |
204 | |
205 inline frame::ijava_state* frame::get_ijava_state() const { | |
206 return (ijava_state*) ((uintptr_t)fp() - ijava_state_size); | |
207 } | |
208 | |
209 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
210 return (intptr_t**) &(get_ijava_state()->locals); | |
211 } | |
212 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
213 return (intptr_t*) &(get_ijava_state()->bcp); | |
214 } | |
215 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
216 return (intptr_t*) &(get_ijava_state()->mdx); | |
217 } | |
218 // Pointer beyond the "oldest/deepest" BasicObjectLock on stack. | |
219 inline BasicObjectLock* frame::interpreter_frame_monitor_end() const { | |
220 return (BasicObjectLock *) get_ijava_state()->monitors; | |
221 } | |
222 | |
223 inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const { | |
224 return (BasicObjectLock *) get_ijava_state(); | |
225 } | |
226 | |
227 // SAPJVM ASc 2012-11-21. Return register stack slot addr at which currently interpreted method is found | |
228 inline Method** frame::interpreter_frame_method_addr() const { | |
229 return (Method**) &(get_ijava_state()->method); | |
230 } | |
231 inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const { | |
232 return (ConstantPoolCache**) &(get_ijava_state()->cpoolCache); | |
233 } | |
234 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { | |
235 return (ConstantPoolCache**) &(get_ijava_state()->cpoolCache); | |
236 } | |
237 | |
238 inline oop* frame::interpreter_frame_temp_oop_addr() const { | |
239 return (oop *) &(get_ijava_state()->oop_tmp); | |
240 } | |
241 inline intptr_t* frame::interpreter_frame_esp() const { | |
242 return (intptr_t*) get_ijava_state()->esp; | |
243 } | |
244 | |
245 // Convenient setters | |
246 inline void frame::interpreter_frame_set_monitor_end(BasicObjectLock* end) { get_ijava_state()->monitors = (intptr_t) end;} | |
247 inline void frame::interpreter_frame_set_cpcache(ConstantPoolCache* cp) { *frame::interpreter_frame_cpoolcache_addr() = cp; } | |
248 inline void frame::interpreter_frame_set_esp(intptr_t* esp) { get_ijava_state()->esp = (intptr_t) esp; } | |
249 inline void frame::interpreter_frame_set_top_frame_sp(intptr_t* top_frame_sp) { get_ijava_state()->top_frame_sp = (intptr_t) top_frame_sp; } | |
250 inline void frame::interpreter_frame_set_sender_sp(intptr_t* sender_sp) { get_ijava_state()->sender_sp = (intptr_t) sender_sp; } | |
251 | |
252 inline intptr_t* frame::interpreter_frame_expression_stack() const { | |
253 return (intptr_t*)interpreter_frame_monitor_end() - 1; | |
254 } | |
255 | |
256 inline jint frame::interpreter_frame_expression_stack_direction() { | |
257 return -1; | |
258 } | |
259 | |
260 // top of expression stack | |
261 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
262 return ((intptr_t*) get_ijava_state()->esp) + Interpreter::stackElementWords; | |
263 } | |
264 | |
265 inline intptr_t* frame::interpreter_frame_tos_at(jint offset) const { | |
266 return &interpreter_frame_tos_address()[offset]; | |
267 } | |
268 | |
14408
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269 #endif // CC_INTERP |
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270 |
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271 inline int frame::interpreter_frame_monitor_size() { |
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272 // Number of stack slots for a monitor. |
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273 return round_to(BasicObjectLock::size(), // number of stack slots |
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274 WordsPerLong); // number of stack slots for a Java long |
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275 } |
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276 |
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277 inline int frame::interpreter_frame_monitor_size_in_bytes() { |
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278 return frame::interpreter_frame_monitor_size() * wordSize; |
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279 } |
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280 |
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281 // entry frames |
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282 |
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283 inline intptr_t* frame::entry_frame_argument_at(int offset) const { |
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284 // Since an entry frame always calls the interpreter first, the |
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285 // parameters are on the stack and relative to known register in the |
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286 // entry frame. |
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287 intptr_t* tos = (intptr_t*)get_entry_frame_locals()->arguments_tos_address; |
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288 return &tos[offset + 1]; // prepushed tos |
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289 } |
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290 |
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291 inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const { |
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292 return (JavaCallWrapper**)&get_entry_frame_locals()->call_wrapper_address; |
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293 } |
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294 |
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295 inline oop frame::saved_oop_result(RegisterMap* map) const { |
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296 return *((oop*)map->location(R3->as_VMReg())); |
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297 } |
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298 |
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299 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { |
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300 *((oop*)map->location(R3->as_VMReg())) = obj; |
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301 } |
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302 |
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303 #endif // CPU_PPC_VM_FRAME_PPC_INLINE_HPP |