Mercurial
annotate third_party/luajit/src/lj_frame.h @ 207:58d9b64d8dca
Updated deployment script to include sqlite3
| author | MrJuneJune <me@mrjunejune.com> |
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| date | Sun, 15 Feb 2026 12:25:50 -0800 |
| parents | 94705b5986b3 |
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| rev | line source |
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1 /* |
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2 ** Stack frames. |
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3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h |
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4 */ |
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5 |
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6 #ifndef _LJ_FRAME_H |
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7 #define _LJ_FRAME_H |
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8 |
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9 #include "lj_obj.h" |
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10 #include "lj_bc.h" |
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11 |
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12 /* -- Lua stack frame ----------------------------------------------------- */ |
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13 |
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14 /* Frame type markers in LSB of PC (4-byte aligned) or delta (8-byte aligned: |
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15 ** |
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16 ** PC 00 Lua frame |
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17 ** delta 001 C frame |
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18 ** delta 010 Continuation frame |
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19 ** delta 011 Lua vararg frame |
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20 ** delta 101 cpcall() frame |
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21 ** delta 110 ff pcall() frame |
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22 ** delta 111 ff pcall() frame with active hook |
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23 */ |
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24 enum { |
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25 FRAME_LUA, FRAME_C, FRAME_CONT, FRAME_VARG, |
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26 FRAME_LUAP, FRAME_CP, FRAME_PCALL, FRAME_PCALLH |
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27 }; |
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28 #define FRAME_TYPE 3 |
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29 #define FRAME_P 4 |
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30 #define FRAME_TYPEP (FRAME_TYPE|FRAME_P) |
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31 |
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32 /* Macros to access and modify Lua frames. */ |
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33 #if LJ_FR2 |
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34 /* Two-slot frame info, required for 64 bit PC/GCRef: |
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35 ** |
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36 ** base-2 base-1 | base base+1 ... |
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37 ** [func PC/delta/ft] | [slots ...] |
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38 ** ^-- frame | ^-- base ^-- top |
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39 ** |
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40 ** Continuation frames: |
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41 ** |
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42 ** base-4 base-3 base-2 base-1 | base base+1 ... |
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43 ** [cont PC ] [func PC/delta/ft] | [slots ...] |
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44 ** ^-- frame | ^-- base ^-- top |
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45 */ |
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46 #define frame_gc(f) (gcval((f)-1)) |
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47 #define frame_ftsz(f) ((ptrdiff_t)(f)->ftsz) |
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48 #define frame_pc(f) ((const BCIns *)frame_ftsz(f)) |
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49 #define setframe_gc(f, p, tp) (setgcVraw((f), (p), (tp))) |
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50 #define setframe_ftsz(f, sz) ((f)->ftsz = (sz)) |
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51 #define setframe_pc(f, pc) ((f)->ftsz = (int64_t)(intptr_t)(pc)) |
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52 #else |
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53 /* One-slot frame info, sufficient for 32 bit PC/GCRef: |
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54 ** |
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55 ** base-1 | base base+1 ... |
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56 ** lo hi | |
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57 ** [func | PC/delta/ft] | [slots ...] |
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58 ** ^-- frame | ^-- base ^-- top |
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59 ** |
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60 ** Continuation frames: |
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61 ** |
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62 ** base-2 base-1 | base base+1 ... |
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63 ** lo hi lo hi | |
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64 ** [cont | PC] [func | PC/delta/ft] | [slots ...] |
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65 ** ^-- frame | ^-- base ^-- top |
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66 */ |
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67 #define frame_gc(f) (gcref((f)->fr.func)) |
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68 #define frame_ftsz(f) ((ptrdiff_t)(f)->fr.tp.ftsz) |
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69 #define frame_pc(f) (mref((f)->fr.tp.pcr, const BCIns)) |
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70 #define setframe_gc(f, p, tp) (setgcref((f)->fr.func, (p)), UNUSED(tp)) |
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71 #define setframe_ftsz(f, sz) ((f)->fr.tp.ftsz = (int32_t)(sz)) |
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72 #define setframe_pc(f, pc) (setmref((f)->fr.tp.pcr, (pc))) |
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73 #endif |
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74 |
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75 #define frame_type(f) (frame_ftsz(f) & FRAME_TYPE) |
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76 #define frame_typep(f) (frame_ftsz(f) & FRAME_TYPEP) |
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77 #define frame_islua(f) (frame_type(f) == FRAME_LUA) |
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78 #define frame_isc(f) (frame_type(f) == FRAME_C) |
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79 #define frame_iscont(f) (frame_typep(f) == FRAME_CONT) |
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80 #define frame_isvarg(f) (frame_typep(f) == FRAME_VARG) |
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81 #define frame_ispcall(f) ((frame_ftsz(f) & 6) == FRAME_PCALL) |
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82 |
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83 #define frame_func(f) (&frame_gc(f)->fn) |
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84 #define frame_delta(f) (frame_ftsz(f) >> 3) |
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85 #define frame_sized(f) (frame_ftsz(f) & ~FRAME_TYPEP) |
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86 |
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87 enum { LJ_CONT_TAILCALL, LJ_CONT_FFI_CALLBACK }; /* Special continuations. */ |
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88 |
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89 #if LJ_FR2 |
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90 #define frame_contpc(f) (frame_pc((f)-2)) |
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91 #define frame_contv(f) (((f)-3)->u64) |
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92 #else |
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93 #define frame_contpc(f) (frame_pc((f)-1)) |
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94 #define frame_contv(f) (((f)-1)->u32.lo) |
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95 #endif |
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96 #if LJ_FR2 |
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97 #define frame_contf(f) ((ASMFunction)(uintptr_t)((f)-3)->u64) |
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98 #elif LJ_64 |
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99 #define frame_contf(f) \ |
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100 ((ASMFunction)(void *)((intptr_t)lj_vm_asm_begin + \ |
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101 (intptr_t)(int32_t)((f)-1)->u32.lo)) |
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102 #else |
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103 #define frame_contf(f) ((ASMFunction)gcrefp(((f)-1)->gcr, void)) |
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104 #endif |
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105 #define frame_iscont_fficb(f) \ |
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106 (LJ_HASFFI && frame_contv(f) == LJ_CONT_FFI_CALLBACK) |
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107 |
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108 #define frame_prevl(f) ((f) - (1+LJ_FR2+bc_a(frame_pc(f)[-1]))) |
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109 #define frame_prevd(f) ((TValue *)((char *)(f) - frame_sized(f))) |
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110 #define frame_prev(f) (frame_islua(f)?frame_prevl(f):frame_prevd(f)) |
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111 /* Note: this macro does not skip over FRAME_VARG. */ |
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112 |
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113 /* -- C stack frame ------------------------------------------------------- */ |
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114 |
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115 /* Macros to access and modify the C stack frame chain. */ |
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116 |
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117 /* These definitions must match with the arch-specific *.dasc files. */ |
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118 #if LJ_TARGET_X86 |
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119 #if LJ_ABI_WIN |
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120 #define CFRAME_OFS_ERRF (19*4) |
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121 #define CFRAME_OFS_NRES (18*4) |
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122 #define CFRAME_OFS_PREV (17*4) |
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123 #define CFRAME_OFS_L (16*4) |
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124 #define CFRAME_OFS_SEH (9*4) |
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125 #define CFRAME_OFS_PC (6*4) |
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126 #define CFRAME_OFS_MULTRES (5*4) |
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127 #define CFRAME_SIZE (16*4) |
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128 #define CFRAME_SHIFT_MULTRES 0 |
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129 #else |
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130 #define CFRAME_OFS_ERRF (15*4) |
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131 #define CFRAME_OFS_NRES (14*4) |
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132 #define CFRAME_OFS_PREV (13*4) |
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133 #define CFRAME_OFS_L (12*4) |
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134 #define CFRAME_OFS_PC (6*4) |
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135 #define CFRAME_OFS_MULTRES (5*4) |
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136 #define CFRAME_SIZE (12*4) |
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137 #define CFRAME_SHIFT_MULTRES 0 |
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138 #endif |
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139 #elif LJ_TARGET_X64 |
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140 #if LJ_ABI_WIN |
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141 #define CFRAME_OFS_PREV (13*8) |
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142 #if LJ_GC64 |
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143 #define CFRAME_OFS_PC (12*8) |
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144 #define CFRAME_OFS_L (11*8) |
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145 #define CFRAME_OFS_ERRF (21*4) |
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146 #define CFRAME_OFS_NRES (20*4) |
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147 #define CFRAME_OFS_MULTRES (8*4) |
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148 #else |
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149 #define CFRAME_OFS_PC (25*4) |
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150 #define CFRAME_OFS_L (24*4) |
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151 #define CFRAME_OFS_ERRF (23*4) |
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152 #define CFRAME_OFS_NRES (22*4) |
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153 #define CFRAME_OFS_MULTRES (21*4) |
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154 #endif |
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155 #define CFRAME_SIZE (10*8) |
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156 #define CFRAME_SIZE_JIT (CFRAME_SIZE + 9*16 + 4*8) |
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157 #define CFRAME_SHIFT_MULTRES 0 |
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158 #else |
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159 #define CFRAME_OFS_PREV (4*8) |
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160 #if LJ_GC64 |
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161 #define CFRAME_OFS_PC (3*8) |
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162 #define CFRAME_OFS_L (2*8) |
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163 #define CFRAME_OFS_ERRF (3*4) |
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164 #define CFRAME_OFS_NRES (2*4) |
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165 #define CFRAME_OFS_MULTRES (0*4) |
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166 #else |
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167 #define CFRAME_OFS_PC (7*4) |
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168 #define CFRAME_OFS_L (6*4) |
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169 #define CFRAME_OFS_ERRF (5*4) |
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170 #define CFRAME_OFS_NRES (4*4) |
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171 #define CFRAME_OFS_MULTRES (1*4) |
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172 #endif |
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173 #if LJ_NO_UNWIND |
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174 #define CFRAME_SIZE (12*8) |
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175 #else |
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176 #define CFRAME_SIZE (10*8) |
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177 #endif |
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178 #define CFRAME_SIZE_JIT (CFRAME_SIZE + 16) |
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179 #define CFRAME_SHIFT_MULTRES 0 |
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180 #endif |
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181 #elif LJ_TARGET_ARM |
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182 #define CFRAME_OFS_ERRF 24 |
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183 #define CFRAME_OFS_NRES 20 |
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184 #define CFRAME_OFS_PREV 16 |
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185 #define CFRAME_OFS_L 12 |
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186 #define CFRAME_OFS_PC 8 |
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187 #define CFRAME_OFS_MULTRES 4 |
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188 #if LJ_ARCH_HASFPU |
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189 #define CFRAME_SIZE 128 |
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190 #else |
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191 #define CFRAME_SIZE 64 |
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192 #endif |
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193 #define CFRAME_SHIFT_MULTRES 3 |
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194 #elif LJ_TARGET_ARM64 |
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195 #define CFRAME_OFS_ERRF 36 |
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196 #define CFRAME_OFS_NRES 40 |
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197 #define CFRAME_OFS_PREV 0 |
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198 #define CFRAME_OFS_L 16 |
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199 #define CFRAME_OFS_PC 8 |
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200 #define CFRAME_OFS_MULTRES 32 |
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201 #define CFRAME_SIZE 208 |
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202 #define CFRAME_SHIFT_MULTRES 3 |
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203 #elif LJ_TARGET_PPC |
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204 #if LJ_TARGET_XBOX360 |
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205 #define CFRAME_OFS_ERRF 424 |
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206 #define CFRAME_OFS_NRES 420 |
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207 #define CFRAME_OFS_PREV 400 |
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208 #define CFRAME_OFS_L 416 |
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209 #define CFRAME_OFS_PC 412 |
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210 #define CFRAME_OFS_MULTRES 408 |
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211 #define CFRAME_SIZE 384 |
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212 #define CFRAME_SHIFT_MULTRES 3 |
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213 #elif LJ_ARCH_PPC32ON64 |
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214 #define CFRAME_OFS_ERRF 472 |
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215 #define CFRAME_OFS_NRES 468 |
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216 #define CFRAME_OFS_PREV 448 |
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217 #define CFRAME_OFS_L 464 |
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218 #define CFRAME_OFS_PC 460 |
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219 #define CFRAME_OFS_MULTRES 456 |
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220 #define CFRAME_SIZE 400 |
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221 #define CFRAME_SHIFT_MULTRES 3 |
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222 #else |
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223 #define CFRAME_OFS_ERRF 48 |
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224 #define CFRAME_OFS_NRES 44 |
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225 #define CFRAME_OFS_PREV 40 |
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226 #define CFRAME_OFS_L 36 |
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227 #define CFRAME_OFS_PC 32 |
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228 #define CFRAME_OFS_MULTRES 28 |
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229 #define CFRAME_SIZE (LJ_ARCH_HASFPU ? 272 : 128) |
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230 #define CFRAME_SHIFT_MULTRES 3 |
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231 #endif |
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232 #elif LJ_TARGET_MIPS32 |
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233 #if LJ_ARCH_HASFPU |
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234 #define CFRAME_OFS_ERRF 124 |
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235 #define CFRAME_OFS_NRES 120 |
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236 #define CFRAME_OFS_PREV 116 |
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237 #define CFRAME_OFS_L 112 |
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238 #define CFRAME_SIZE 112 |
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239 #else |
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240 #define CFRAME_OFS_ERRF 76 |
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241 #define CFRAME_OFS_NRES 72 |
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242 #define CFRAME_OFS_PREV 68 |
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243 #define CFRAME_OFS_L 64 |
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244 #define CFRAME_SIZE 64 |
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245 #endif |
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246 #define CFRAME_OFS_PC 20 |
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247 #define CFRAME_OFS_MULTRES 16 |
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248 #define CFRAME_SHIFT_MULTRES 3 |
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249 #elif LJ_TARGET_MIPS64 |
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250 #if LJ_ARCH_HASFPU |
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251 #define CFRAME_OFS_ERRF 188 |
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252 #define CFRAME_OFS_NRES 184 |
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253 #define CFRAME_OFS_PREV 176 |
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254 #define CFRAME_OFS_L 168 |
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255 #define CFRAME_OFS_PC 160 |
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256 #define CFRAME_SIZE 192 |
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257 #else |
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258 #define CFRAME_OFS_ERRF 124 |
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259 #define CFRAME_OFS_NRES 120 |
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260 #define CFRAME_OFS_PREV 112 |
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261 #define CFRAME_OFS_L 104 |
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262 #define CFRAME_OFS_PC 96 |
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263 #define CFRAME_SIZE 128 |
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264 #endif |
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265 #define CFRAME_OFS_MULTRES 0 |
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266 #define CFRAME_SHIFT_MULTRES 3 |
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267 #else |
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268 #error "Missing CFRAME_* definitions for this architecture" |
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269 #endif |
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270 |
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271 #ifndef CFRAME_SIZE_JIT |
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272 #define CFRAME_SIZE_JIT CFRAME_SIZE |
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273 #endif |
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274 |
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275 #define CFRAME_RESUME 1 |
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276 #define CFRAME_UNWIND_FF 2 /* Only used in unwinder. */ |
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277 #define CFRAME_RAWMASK (~(intptr_t)(CFRAME_RESUME|CFRAME_UNWIND_FF)) |
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278 |
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279 #define cframe_errfunc(cf) (*(int32_t *)(((char *)(cf))+CFRAME_OFS_ERRF)) |
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280 #define cframe_nres(cf) (*(int32_t *)(((char *)(cf))+CFRAME_OFS_NRES)) |
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281 #define cframe_prev(cf) (*(void **)(((char *)(cf))+CFRAME_OFS_PREV)) |
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282 #define cframe_multres(cf) (*(uint32_t *)(((char *)(cf))+CFRAME_OFS_MULTRES)) |
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283 #define cframe_multres_n(cf) (cframe_multres((cf)) >> CFRAME_SHIFT_MULTRES) |
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284 #define cframe_L(cf) \ |
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285 (&gcref(*(GCRef *)(((char *)(cf))+CFRAME_OFS_L))->th) |
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286 #define cframe_pc(cf) \ |
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287 (mref(*(MRef *)(((char *)(cf))+CFRAME_OFS_PC), const BCIns)) |
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288 #define setcframe_L(cf, L) \ |
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289 (setmref(*(MRef *)(((char *)(cf))+CFRAME_OFS_L), (L))) |
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290 #define setcframe_pc(cf, pc) \ |
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291 (setmref(*(MRef *)(((char *)(cf))+CFRAME_OFS_PC), (pc))) |
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292 #define cframe_canyield(cf) ((intptr_t)(cf) & CFRAME_RESUME) |
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293 #define cframe_unwind_ff(cf) ((intptr_t)(cf) & CFRAME_UNWIND_FF) |
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294 #define cframe_raw(cf) ((void *)((intptr_t)(cf) & CFRAME_RAWMASK)) |
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295 #define cframe_Lpc(L) cframe_pc(cframe_raw(L->cframe)) |
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296 |
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297 #endif |