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annotate src/cpu/ppc/vm/frame_ppc.hpp @ 14408:ec28f9c041ff

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8019972: PPC64 (part 9): platform files for interpreter only VM. Summary: With this change the HotSpot core build works on Linux/PPC64. The VM succesfully executes simple test programs. Reviewed-by: kvn
author goetz
date Fri, 02 Aug 2013 16:46:45 +0200
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children 67fa91961822
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14408
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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_HPP
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27 #define CPU_PPC_VM_FRAME_PPC_HPP
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28
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29 #include "runtime/synchronizer.hpp"
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30 #include "utilities/top.hpp"
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31
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32 #ifndef CC_INTERP
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33 #error "CC_INTERP must be defined on PPC64"
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34 #endif
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35
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36 // C frame layout on PPC-64.
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37 //
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38 // In this figure the stack grows upwards, while memory grows
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39 // downwards. See "64-bit PowerPC ELF ABI Supplement Version 1.7",
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40 // IBM Corp. (2003-10-29)
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41 // (http://math-atlas.sourceforge.net/devel/assembly/PPC-elf64abi-1.7.pdf).
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42 //
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43 // Square brackets denote stack regions possibly larger
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44 // than a single 64 bit slot.
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45 //
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46 // STACK:
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47 // 0 [C_FRAME] <-- SP after prolog (mod 16 = 0)
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48 // [C_FRAME] <-- SP before prolog
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49 // ...
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50 // [C_FRAME]
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51 //
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52 // C_FRAME:
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53 // 0 [ABI_112]
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54 // 112 CARG_9: outgoing arg 9 (arg_1 ... arg_8 via gpr_3 ... gpr_{10})
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55 // ...
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56 // 40+M*8 CARG_M: outgoing arg M (M is the maximum of outgoing args taken over all call sites in the procedure)
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57 // local 1
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58 // ...
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59 // local N
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60 // spill slot for vector reg (16 bytes aligned)
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61 // ...
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62 // spill slot for vector reg
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63 // alignment (4 or 12 bytes)
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64 // V SR_VRSAVE
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65 // V+4 spill slot for GR
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66 // ... ...
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67 // spill slot for GR
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68 // spill slot for FR
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69 // ...
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70 // spill slot for FR
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71 //
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72 // ABI_48:
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73 // 0 caller's SP
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74 // 8 space for condition register (CR) for next call
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75 // 16 space for link register (LR) for next call
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76 // 24 reserved
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77 // 32 reserved
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78 // 40 space for TOC (=R2) register for next call
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79 //
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80 // ABI_112:
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81 // 0 [ABI_48]
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82 // 48 CARG_1: spill slot for outgoing arg 1. used by next callee.
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83 // ... ...
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84 // 104 CARG_8: spill slot for outgoing arg 8. used by next callee.
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85 //
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86
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87 public:
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88
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89 // C frame layout
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90
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91 enum {
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92 // stack alignment
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93 alignment_in_bytes = 16,
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94 // log_2(16*8 bits) = 7.
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95 log_2_of_alignment_in_bits = 7
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96 };
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97
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98 // ABI_48:
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99 struct abi_48 {
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100 uint64_t callers_sp;
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101 uint64_t cr; //_16
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102 uint64_t lr;
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103 uint64_t reserved1; //_16
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104 uint64_t reserved2;
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105 uint64_t toc; //_16
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106 // nothing to add here!
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107 // aligned to frame::alignment_in_bytes (16)
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108 };
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109
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110 enum {
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111 abi_48_size = sizeof(abi_48)
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112 };
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113
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114 struct abi_112 : abi_48 {
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115 uint64_t carg_1;
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116 uint64_t carg_2; //_16
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117 uint64_t carg_3;
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118 uint64_t carg_4; //_16
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119 uint64_t carg_5;
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120 uint64_t carg_6; //_16
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121 uint64_t carg_7;
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122 uint64_t carg_8; //_16
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123 // aligned to frame::alignment_in_bytes (16)
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124 };
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125
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126 enum {
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127 abi_112_size = sizeof(abi_112)
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128 };
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129
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130 #define _abi(_component) \
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131 (offset_of(frame::abi_112, _component))
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132
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133 struct abi_112_spill : abi_112 {
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134 // additional spill slots
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135 uint64_t spill_ret;
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136 uint64_t spill_fret; //_16
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137 // aligned to frame::alignment_in_bytes (16)
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138 };
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139
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140 enum {
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141 abi_112_spill_size = sizeof(abi_112_spill)
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142 };
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143
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144 #define _abi_112_spill(_component) \
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145 (offset_of(frame::abi_112_spill, _component))
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146
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147 // non-volatile GPRs:
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148
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149 struct spill_nonvolatiles {
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150 uint64_t r14;
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151 uint64_t r15; //_16
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152 uint64_t r16;
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153 uint64_t r17; //_16
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154 uint64_t r18;
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155 uint64_t r19; //_16
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156 uint64_t r20;
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157 uint64_t r21; //_16
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158 uint64_t r22;
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159 uint64_t r23; //_16
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160 uint64_t r24;
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161 uint64_t r25; //_16
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162 uint64_t r26;
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163 uint64_t r27; //_16
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164 uint64_t r28;
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165 uint64_t r29; //_16
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166 uint64_t r30;
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parents:
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167 uint64_t r31; //_16
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parents:
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168
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parents:
diff changeset
169 double f14;
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parents:
diff changeset
170 double f15;
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parents:
diff changeset
171 double f16;
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parents:
diff changeset
172 double f17;
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parents:
diff changeset
173 double f18;
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parents:
diff changeset
174 double f19;
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parents:
diff changeset
175 double f20;
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parents:
diff changeset
176 double f21;
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parents:
diff changeset
177 double f22;
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parents:
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178 double f23;
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parents:
diff changeset
179 double f24;
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parents:
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180 double f25;
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parents:
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181 double f26;
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parents:
diff changeset
182 double f27;
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parents:
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183 double f28;
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parents:
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184 double f29;
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parents:
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185 double f30;
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parents:
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186 double f31;
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parents:
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187
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188 // aligned to frame::alignment_in_bytes (16)
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189 };
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190
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191 enum {
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192 spill_nonvolatiles_size = sizeof(spill_nonvolatiles)
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193 };
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194
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195 #define _spill_nonvolatiles_neg(_component) \
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196 (int)(-frame::spill_nonvolatiles_size + offset_of(frame::spill_nonvolatiles, _component))
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197
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198 // Frame layout for the Java interpreter on PPC64.
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199 //
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200 // This frame layout provides a C-like frame for every Java frame.
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201 //
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202 // In these figures the stack grows upwards, while memory grows
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203 // downwards. Square brackets denote regions possibly larger than
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204 // single 64 bit slots.
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205 //
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206 // STACK (no JNI, no compiled code, no library calls,
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207 // interpreter-loop is active):
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208 // 0 [InterpretMethod]
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209 // [TOP_IJAVA_FRAME]
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parents:
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210 // [PARENT_IJAVA_FRAME]
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parents:
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211 // ...
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parents:
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212 // [PARENT_IJAVA_FRAME]
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213 // [ENTRY_FRAME]
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parents:
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214 // [C_FRAME]
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215 // ...
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parents:
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216 // [C_FRAME]
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217 //
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218 // TOP_IJAVA_FRAME:
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219 // 0 [TOP_IJAVA_FRAME_ABI]
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220 // alignment (optional)
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parents:
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221 // [operand stack]
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222 // [monitors] (optional)
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223 // [cInterpreter object]
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224 // result, locals, and arguments are in parent frame!
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225 //
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226 // PARENT_IJAVA_FRAME:
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227 // 0 [PARENT_IJAVA_FRAME_ABI]
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228 // alignment (optional)
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parents:
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229 // [callee's Java result]
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parents:
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230 // [callee's locals w/o arguments]
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parents:
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231 // [outgoing arguments]
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232 // [used part of operand stack w/o arguments]
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233 // [monitors] (optional)
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parents:
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234 // [cInterpreter object]
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parents:
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235 //
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236 // ENTRY_FRAME:
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237 // 0 [PARENT_IJAVA_FRAME_ABI]
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parents:
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238 // alignment (optional)
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parents:
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239 // [callee's Java result]
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parents:
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240 // [callee's locals w/o arguments]
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parents:
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241 // [outgoing arguments]
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parents:
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242 // [ENTRY_FRAME_LOCALS]
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243 //
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244 // PARENT_IJAVA_FRAME_ABI:
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245 // 0 [ABI_48]
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246 // top_frame_sp
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247 // initial_caller_sp
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248 //
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249 // TOP_IJAVA_FRAME_ABI:
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250 // 0 [PARENT_IJAVA_FRAME_ABI]
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251 // carg_3_unused
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252 // carg_4_unused
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253 // carg_5_unused
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254 // carg_6_unused
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255 // carg_7_unused
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256 // frame_manager_lr
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257 //
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258
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259 // PARENT_IJAVA_FRAME_ABI
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260
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261 struct parent_ijava_frame_abi : abi_48 {
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262 // SOE registers.
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263 // C2i adapters spill their top-frame stack-pointer here.
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264 uint64_t top_frame_sp; // carg_1
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265 // Sp of calling compiled frame before it was resized by the c2i
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266 // adapter or sp of call stub. Does not contain a valid value for
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267 // non-initial frames.
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268 uint64_t initial_caller_sp; // carg_2
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269 // aligned to frame::alignment_in_bytes (16)
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270 };
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271
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272 enum {
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273 parent_ijava_frame_abi_size = sizeof(parent_ijava_frame_abi)
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274 };
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275
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276 #define _parent_ijava_frame_abi(_component) \
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parents:
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277 (offset_of(frame::parent_ijava_frame_abi, _component))
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278
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279 // TOP_IJAVA_FRAME_ABI
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280
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281 struct top_ijava_frame_abi : parent_ijava_frame_abi {
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282 uint64_t carg_3_unused; // carg_3
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283 uint64_t card_4_unused; //_16 carg_4
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284 uint64_t carg_5_unused; // carg_5
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285 uint64_t carg_6_unused; //_16 carg_6
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286 uint64_t carg_7_unused; // carg_7
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287 // Use arg8 for storing frame_manager_lr. The size of
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288 // top_ijava_frame_abi must match abi_112.
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289 uint64_t frame_manager_lr; //_16 carg_8
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290 // nothing to add here!
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291 // aligned to frame::alignment_in_bytes (16)
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292 };
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293
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294 enum {
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295 top_ijava_frame_abi_size = sizeof(top_ijava_frame_abi)
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296 };
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297
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298 #define _top_ijava_frame_abi(_component) \
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299 (offset_of(frame::top_ijava_frame_abi, _component))
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300
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301 // ENTRY_FRAME
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302
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303 struct entry_frame_locals {
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304 uint64_t call_wrapper_address;
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parents:
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305 uint64_t result_address; //_16
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306 uint64_t result_type;
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307 uint64_t arguments_tos_address; //_16
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parents:
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308 // aligned to frame::alignment_in_bytes (16)
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309 uint64_t r[spill_nonvolatiles_size/sizeof(uint64_t)];
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310 };
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311
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312 enum {
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313 entry_frame_locals_size = sizeof(entry_frame_locals)
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314 };
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315
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316 #define _entry_frame_locals_neg(_component) \
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317 (int)(-frame::entry_frame_locals_size + offset_of(frame::entry_frame_locals, _component))
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318
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319
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320 // Frame layout for JIT generated methods
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321 //
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322 // In these figures the stack grows upwards, while memory grows
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323 // downwards. Square brackets denote regions possibly larger than single
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324 // 64 bit slots.
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325 //
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326 // STACK (interpreted Java calls JIT generated Java):
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327 // [JIT_FRAME] <-- SP (mod 16 = 0)
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328 // [TOP_IJAVA_FRAME]
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329 // ...
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330 //
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331 // JIT_FRAME (is a C frame according to PPC-64 ABI):
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332 // [out_preserve]
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333 // [out_args]
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334 // [spills]
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335 // [pad_1]
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336 // [monitor] (optional)
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337 // ...
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338 // [monitor] (optional)
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339 // [pad_2]
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340 // [in_preserve] added / removed by prolog / epilog
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341 //
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342
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343 // JIT_ABI (TOP and PARENT)
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344
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345 struct jit_abi {
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346 uint64_t callers_sp;
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347 uint64_t cr;
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348 uint64_t lr;
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349 uint64_t toc;
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350 // Nothing to add here!
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351 // NOT ALIGNED to frame::alignment_in_bytes (16).
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352 };
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353
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354 struct jit_out_preserve : jit_abi {
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355 // Nothing to add here!
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356 };
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357
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358 struct jit_in_preserve {
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359 // Nothing to add here!
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360 };
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361
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362 enum {
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363 jit_out_preserve_size = sizeof(jit_out_preserve),
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364 jit_in_preserve_size = sizeof(jit_in_preserve)
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365 };
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366
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367 struct jit_monitor {
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368 uint64_t monitor[1];
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369 };
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370
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371 enum {
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372 jit_monitor_size = sizeof(jit_monitor),
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373 };
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374
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375 private:
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376
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377 // STACK:
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378 // ...
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379 // [THIS_FRAME] <-- this._sp (stack pointer for this frame)
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380 // [CALLER_FRAME] <-- this.fp() (_sp of caller's frame)
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381 // ...
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382 //
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383
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384 // frame pointer for this frame
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385 intptr_t* _fp;
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386
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387 // The frame's stack pointer before it has been extended by a c2i adapter;
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388 // needed by deoptimization
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389 intptr_t* _unextended_sp;
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390 void adjust_unextended_sp();
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391
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392 public:
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393
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394 // Accessors for fields
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395 intptr_t* fp() const { return _fp; }
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396
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397 // Accessors for ABIs
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398 inline abi_48* own_abi() const { return (abi_48*) _sp; }
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399 inline abi_48* callers_abi() const { return (abi_48*) _fp; }
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400
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401 private:
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402
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403 // Find codeblob and set deopt_state.
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404 inline void find_codeblob_and_set_pc_and_deopt_state(address pc);
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405
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406 public:
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407
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408 // Constructors
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409 inline frame(intptr_t* sp);
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410 frame(intptr_t* sp, address pc);
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411 inline frame(intptr_t* sp, address pc, intptr_t* unextended_sp);
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412
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413 private:
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414
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415 intptr_t* compiled_sender_sp(CodeBlob* cb) const;
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416 address* compiled_sender_pc_addr(CodeBlob* cb) const;
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417 address* sender_pc_addr(void) const;
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418
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419 public:
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420
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421 #ifdef CC_INTERP
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422 // Additional interface for interpreter frames:
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423 inline interpreterState get_interpreterState() const;
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424 #endif
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425
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426 // Size of a monitor in bytes.
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427 static int interpreter_frame_monitor_size_in_bytes();
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428
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429 // The size of a cInterpreter object.
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430 static inline int interpreter_frame_cinterpreterstate_size_in_bytes();
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431
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432 private:
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433
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434 // PPC port: permgen stuff
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435 ConstantPoolCache** interpreter_frame_cpoolcache_addr() const;
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436
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437 public:
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438
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439 // Additional interface for entry frames:
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440 inline entry_frame_locals* get_entry_frame_locals() const {
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441 return (entry_frame_locals*) (((address) fp()) - entry_frame_locals_size);
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442 }
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443
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444 enum {
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445 // normal return address is 1 bundle past PC
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446 pc_return_offset = 0
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447 };
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448
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449 #endif // CPU_PPC_VM_FRAME_PPC_HPP