Mercurial > hg > truffle
annotate src/cpu/ppc/vm/frame_ppc.hpp @ 17803:31e80afe3fed
8035647: PPC64: Support for elf v2 abi.
Summary: ELFv2 ABI used by the little endian PowerPC64 on Linux.
Reviewed-by: kvn
Contributed-by: asmundak@google.com
author | goetz |
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date | Thu, 06 Mar 2014 10:55:28 -0800 |
parents | 67fa91961822 |
children | 58cf34613a72 |
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_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: |
17803 | 53 // 0 [ABI_REG_ARGS] |
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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 // |
17803 | 80 // ABI_REG_ARGS: |
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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 |
17803 | 98 // ABI_MINFRAME: |
99 struct abi_minframe { | |
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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; |
17803 | 103 #if !defined(ABI_ELFv2) |
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104 uint64_t reserved1; //_16 |
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105 uint64_t reserved2; |
17803 | 106 #endif |
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107 uint64_t toc; //_16 |
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108 // nothing to add here! |
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109 // aligned to frame::alignment_in_bytes (16) |
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110 }; |
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111 |
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112 enum { |
17803 | 113 abi_minframe_size = sizeof(abi_minframe) |
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114 }; |
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115 |
17803 | 116 struct abi_reg_args : abi_minframe { |
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117 uint64_t carg_1; |
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118 uint64_t carg_2; //_16 |
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119 uint64_t carg_3; |
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120 uint64_t carg_4; //_16 |
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121 uint64_t carg_5; |
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122 uint64_t carg_6; //_16 |
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123 uint64_t carg_7; |
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124 uint64_t carg_8; //_16 |
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125 // aligned to frame::alignment_in_bytes (16) |
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126 }; |
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127 |
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128 enum { |
17803 | 129 abi_reg_args_size = sizeof(abi_reg_args) |
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130 }; |
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131 |
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132 #define _abi(_component) \ |
17803 | 133 (offset_of(frame::abi_reg_args, _component)) |
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134 |
17803 | 135 struct abi_reg_args_spill : abi_reg_args { |
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136 // additional spill slots |
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137 uint64_t spill_ret; |
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138 uint64_t spill_fret; //_16 |
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139 // aligned to frame::alignment_in_bytes (16) |
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140 }; |
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141 |
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142 enum { |
17803 | 143 abi_reg_args_spill_size = sizeof(abi_reg_args_spill) |
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144 }; |
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145 |
17803 | 146 #define _abi_reg_args_spill(_component) \ |
147 (offset_of(frame::abi_reg_args_spill, _component)) | |
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148 |
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149 // non-volatile GPRs: |
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150 |
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151 struct spill_nonvolatiles { |
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152 uint64_t r14; |
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153 uint64_t r15; //_16 |
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154 uint64_t r16; |
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155 uint64_t r17; //_16 |
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156 uint64_t r18; |
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157 uint64_t r19; //_16 |
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158 uint64_t r20; |
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159 uint64_t r21; //_16 |
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160 uint64_t r22; |
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161 uint64_t r23; //_16 |
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162 uint64_t r24; |
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163 uint64_t r25; //_16 |
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164 uint64_t r26; |
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165 uint64_t r27; //_16 |
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166 uint64_t r28; |
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167 uint64_t r29; //_16 |
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168 uint64_t r30; |
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169 uint64_t r31; //_16 |
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170 |
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171 double f14; |
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172 double f15; |
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173 double f16; |
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174 double f17; |
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175 double f18; |
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176 double f19; |
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177 double f20; |
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178 double f21; |
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179 double f22; |
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180 double f23; |
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181 double f24; |
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182 double f25; |
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183 double f26; |
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184 double f27; |
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185 double f28; |
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186 double f29; |
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187 double f30; |
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188 double f31; |
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189 |
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190 // aligned to frame::alignment_in_bytes (16) |
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191 }; |
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192 |
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193 enum { |
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194 spill_nonvolatiles_size = sizeof(spill_nonvolatiles) |
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195 }; |
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196 |
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197 #define _spill_nonvolatiles_neg(_component) \ |
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198 (int)(-frame::spill_nonvolatiles_size + offset_of(frame::spill_nonvolatiles, _component)) |
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199 |
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200 // Frame layout for the Java interpreter on PPC64. |
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201 // |
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202 // This frame layout provides a C-like frame for every Java frame. |
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203 // |
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204 // In these figures the stack grows upwards, while memory grows |
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205 // downwards. Square brackets denote regions possibly larger than |
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206 // single 64 bit slots. |
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207 // |
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208 // STACK (no JNI, no compiled code, no library calls, |
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209 // interpreter-loop is active): |
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210 // 0 [InterpretMethod] |
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211 // [TOP_IJAVA_FRAME] |
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212 // [PARENT_IJAVA_FRAME] |
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213 // ... |
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214 // [PARENT_IJAVA_FRAME] |
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215 // [ENTRY_FRAME] |
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216 // [C_FRAME] |
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217 // ... |
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218 // [C_FRAME] |
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219 // |
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220 // TOP_IJAVA_FRAME: |
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221 // 0 [TOP_IJAVA_FRAME_ABI] |
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222 // alignment (optional) |
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223 // [operand stack] |
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224 // [monitors] (optional) |
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225 // [cInterpreter object] |
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226 // result, locals, and arguments are in parent frame! |
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227 // |
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228 // PARENT_IJAVA_FRAME: |
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229 // 0 [PARENT_IJAVA_FRAME_ABI] |
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230 // alignment (optional) |
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231 // [callee's Java result] |
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232 // [callee's locals w/o arguments] |
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233 // [outgoing arguments] |
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234 // [used part of operand stack w/o arguments] |
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235 // [monitors] (optional) |
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236 // [cInterpreter object] |
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237 // |
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238 // ENTRY_FRAME: |
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239 // 0 [PARENT_IJAVA_FRAME_ABI] |
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240 // alignment (optional) |
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241 // [callee's Java result] |
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242 // [callee's locals w/o arguments] |
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243 // [outgoing arguments] |
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244 // [ENTRY_FRAME_LOCALS] |
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245 // |
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246 // PARENT_IJAVA_FRAME_ABI: |
17803 | 247 // 0 [ABI_MINFRAME] |
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248 // top_frame_sp |
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249 // initial_caller_sp |
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250 // |
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251 // TOP_IJAVA_FRAME_ABI: |
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252 // 0 [PARENT_IJAVA_FRAME_ABI] |
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253 // carg_3_unused |
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254 // carg_4_unused |
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255 // carg_5_unused |
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256 // carg_6_unused |
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257 // carg_7_unused |
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258 // frame_manager_lr |
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259 // |
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260 |
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261 // PARENT_IJAVA_FRAME_ABI |
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262 |
17803 | 263 struct parent_ijava_frame_abi : abi_minframe { |
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264 // SOE registers. |
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265 // C2i adapters spill their top-frame stack-pointer here. |
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266 uint64_t top_frame_sp; // carg_1 |
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267 // Sp of calling compiled frame before it was resized by the c2i |
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268 // adapter or sp of call stub. Does not contain a valid value for |
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269 // non-initial frames. |
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270 uint64_t initial_caller_sp; // carg_2 |
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271 // aligned to frame::alignment_in_bytes (16) |
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272 }; |
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273 |
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274 enum { |
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275 parent_ijava_frame_abi_size = sizeof(parent_ijava_frame_abi) |
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276 }; |
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277 |
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278 #define _parent_ijava_frame_abi(_component) \ |
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279 (offset_of(frame::parent_ijava_frame_abi, _component)) |
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280 |
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281 // TOP_IJAVA_FRAME_ABI |
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282 |
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283 struct top_ijava_frame_abi : parent_ijava_frame_abi { |
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284 uint64_t carg_3_unused; // carg_3 |
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285 uint64_t card_4_unused; //_16 carg_4 |
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286 uint64_t carg_5_unused; // carg_5 |
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287 uint64_t carg_6_unused; //_16 carg_6 |
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288 uint64_t carg_7_unused; // carg_7 |
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289 // Use arg8 for storing frame_manager_lr. The size of |
17803 | 290 // top_ijava_frame_abi must match abi_reg_args. |
14408
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291 uint64_t frame_manager_lr; //_16 carg_8 |
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292 // nothing to add here! |
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293 // aligned to frame::alignment_in_bytes (16) |
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294 }; |
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295 |
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296 enum { |
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297 top_ijava_frame_abi_size = sizeof(top_ijava_frame_abi) |
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298 }; |
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299 |
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300 #define _top_ijava_frame_abi(_component) \ |
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301 (offset_of(frame::top_ijava_frame_abi, _component)) |
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302 |
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303 // ENTRY_FRAME |
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304 |
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305 struct entry_frame_locals { |
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306 uint64_t call_wrapper_address; |
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307 uint64_t result_address; //_16 |
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308 uint64_t result_type; |
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309 uint64_t arguments_tos_address; //_16 |
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310 // aligned to frame::alignment_in_bytes (16) |
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311 uint64_t r[spill_nonvolatiles_size/sizeof(uint64_t)]; |
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312 }; |
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313 |
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314 enum { |
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315 entry_frame_locals_size = sizeof(entry_frame_locals) |
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316 }; |
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317 |
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318 #define _entry_frame_locals_neg(_component) \ |
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319 (int)(-frame::entry_frame_locals_size + offset_of(frame::entry_frame_locals, _component)) |
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320 |
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321 |
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322 // Frame layout for JIT generated methods |
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323 // |
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324 // In these figures the stack grows upwards, while memory grows |
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325 // downwards. Square brackets denote regions possibly larger than single |
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326 // 64 bit slots. |
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327 // |
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328 // STACK (interpreted Java calls JIT generated Java): |
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329 // [JIT_FRAME] <-- SP (mod 16 = 0) |
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330 // [TOP_IJAVA_FRAME] |
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331 // ... |
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332 // |
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333 // JIT_FRAME (is a C frame according to PPC-64 ABI): |
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334 // [out_preserve] |
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335 // [out_args] |
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336 // [spills] |
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337 // [pad_1] |
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338 // [monitor] (optional) |
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339 // ... |
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340 // [monitor] (optional) |
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341 // [pad_2] |
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342 // [in_preserve] added / removed by prolog / epilog |
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343 // |
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344 |
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345 // JIT_ABI (TOP and PARENT) |
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346 |
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347 struct jit_abi { |
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348 uint64_t callers_sp; |
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349 uint64_t cr; |
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350 uint64_t lr; |
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351 uint64_t toc; |
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352 // Nothing to add here! |
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353 // NOT ALIGNED to frame::alignment_in_bytes (16). |
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354 }; |
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355 |
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356 struct jit_out_preserve : jit_abi { |
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357 // Nothing to add here! |
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358 }; |
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359 |
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360 struct jit_in_preserve { |
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361 // Nothing to add here! |
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362 }; |
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363 |
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364 enum { |
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365 jit_out_preserve_size = sizeof(jit_out_preserve), |
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366 jit_in_preserve_size = sizeof(jit_in_preserve) |
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367 }; |
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368 |
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369 struct jit_monitor { |
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370 uint64_t monitor[1]; |
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371 }; |
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372 |
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373 enum { |
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374 jit_monitor_size = sizeof(jit_monitor), |
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375 }; |
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376 |
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377 private: |
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378 |
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379 // STACK: |
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380 // ... |
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381 // [THIS_FRAME] <-- this._sp (stack pointer for this frame) |
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382 // [CALLER_FRAME] <-- this.fp() (_sp of caller's frame) |
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383 // ... |
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384 // |
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385 |
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386 // frame pointer for this frame |
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387 intptr_t* _fp; |
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388 |
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389 // The frame's stack pointer before it has been extended by a c2i adapter; |
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390 // needed by deoptimization |
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391 intptr_t* _unextended_sp; |
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392 void adjust_unextended_sp(); |
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|
393 |
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394 public: |
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|
395 |
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396 // Accessors for fields |
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397 intptr_t* fp() const { return _fp; } |
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398 |
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399 // Accessors for ABIs |
17803 | 400 inline abi_minframe* own_abi() const { return (abi_minframe*) _sp; } |
401 inline abi_minframe* callers_abi() const { return (abi_minframe*) _fp; } | |
14408
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|
402 |
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|
403 private: |
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|
404 |
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405 // Find codeblob and set deopt_state. |
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406 inline void find_codeblob_and_set_pc_and_deopt_state(address pc); |
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|
407 |
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|
408 public: |
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|
409 |
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|
410 // Constructors |
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411 inline frame(intptr_t* sp); |
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412 frame(intptr_t* sp, address pc); |
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413 inline frame(intptr_t* sp, address pc, intptr_t* unextended_sp); |
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|
414 |
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|
415 private: |
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|
416 |
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417 intptr_t* compiled_sender_sp(CodeBlob* cb) const; |
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418 address* compiled_sender_pc_addr(CodeBlob* cb) const; |
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419 address* sender_pc_addr(void) const; |
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420 |
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421 public: |
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|
422 |
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423 #ifdef CC_INTERP |
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424 // Additional interface for interpreter frames: |
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425 inline interpreterState get_interpreterState() const; |
14445 | 426 #endif // CC_INTERP |
14408
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|
427 |
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428 // Size of a monitor in bytes. |
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429 static int interpreter_frame_monitor_size_in_bytes(); |
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430 |
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431 // The size of a cInterpreter object. |
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432 static inline int interpreter_frame_cinterpreterstate_size_in_bytes(); |
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433 |
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434 private: |
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435 |
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436 ConstantPoolCache** interpreter_frame_cpoolcache_addr() const; |
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437 |
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438 public: |
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439 |
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440 // Additional interface for entry frames: |
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441 inline entry_frame_locals* get_entry_frame_locals() const { |
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442 return (entry_frame_locals*) (((address) fp()) - entry_frame_locals_size); |
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443 } |
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444 |
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445 enum { |
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446 // normal return address is 1 bundle past PC |
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447 pc_return_offset = 0 |
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448 }; |
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449 |
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450 #endif // CPU_PPC_VM_FRAME_PPC_HPP |