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annotate third_party/luajit/src/lj_vm.h @ 279:b3b547563ec7

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Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
author MrJuneJune <me@mrjunejune.com>
date Mon, 17 Aug 2026 22:22:36 -0700
parents 94705b5986b3
children
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178
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1 /*
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2 ** Assembler VM interface definitions.
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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_VM_H
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7 #define _LJ_VM_H
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8
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9 #include "lj_obj.h"
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10
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11 /* Entry points for ASM parts of VM. */
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12 LJ_ASMF void lj_vm_call(lua_State *L, TValue *base, int nres1);
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13 LJ_ASMF int lj_vm_pcall(lua_State *L, TValue *base, int nres1, ptrdiff_t ef);
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14 typedef TValue *(*lua_CPFunction)(lua_State *L, lua_CFunction func, void *ud);
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15 LJ_ASMF int lj_vm_cpcall(lua_State *L, lua_CFunction func, void *ud,
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16 lua_CPFunction cp);
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17 LJ_ASMF int lj_vm_resume(lua_State *L, TValue *base, int nres1, ptrdiff_t ef);
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18 LJ_ASMF_NORET void LJ_FASTCALL lj_vm_unwind_c(void *cframe, int errcode);
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19 LJ_ASMF_NORET void LJ_FASTCALL lj_vm_unwind_ff(void *cframe);
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20 #if LJ_ABI_WIN && LJ_TARGET_X86
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21 LJ_ASMF_NORET void LJ_FASTCALL lj_vm_rtlunwind(void *cframe, void *excptrec,
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22 void *unwinder, int errcode);
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23 #endif
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24 LJ_ASMF void lj_vm_unwind_c_eh(void);
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25 LJ_ASMF void lj_vm_unwind_ff_eh(void);
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26 #if LJ_TARGET_X86ORX64
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27 LJ_ASMF void lj_vm_unwind_rethrow(void);
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28 #endif
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29 #if LJ_TARGET_MIPS
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30 LJ_ASMF void lj_vm_unwind_stub(void);
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31 #endif
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32
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33 /* Miscellaneous functions. */
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34 #if LJ_TARGET_X86ORX64
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35 LJ_ASMF int lj_vm_cpuid(uint32_t f, uint32_t res[4]);
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36 #endif
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37 #if LJ_TARGET_PPC
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38 void lj_vm_cachesync(void *start, void *end);
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39 #endif
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40 LJ_ASMF double lj_vm_foldarith(double x, double y, int op);
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41 #if LJ_HASJIT
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42 LJ_ASMF double lj_vm_foldfpm(double x, int op);
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43 #endif
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44 #if !LJ_ARCH_HASFPU
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45 /* Declared in lj_obj.h: LJ_ASMF int32_t lj_vm_tobit(double x); */
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46 #endif
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47
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48 /* Dispatch targets for recording and hooks. */
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49 LJ_ASMF void lj_vm_record(void);
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50 LJ_ASMF void lj_vm_inshook(void);
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51 LJ_ASMF void lj_vm_rethook(void);
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52 LJ_ASMF void lj_vm_callhook(void);
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53 LJ_ASMF void lj_vm_profhook(void);
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54 LJ_ASMF void lj_vm_IITERN(void);
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55
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56 /* Trace exit handling. */
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57 LJ_ASMF char lj_vm_exit_handler[];
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58 LJ_ASMF char lj_vm_exit_interp[];
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59
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60 /* Internal math helper functions. */
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61 #if LJ_TARGET_PPC || LJ_TARGET_ARM64 || (LJ_TARGET_MIPS && LJ_ABI_SOFTFP)
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62 #define lj_vm_floor floor
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63 #define lj_vm_ceil ceil
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64 #else
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65 LJ_ASMF double lj_vm_floor(double);
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66 LJ_ASMF double lj_vm_ceil(double);
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67 #if LJ_TARGET_ARM
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68 LJ_ASMF double lj_vm_floor_sf(double);
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69 LJ_ASMF double lj_vm_ceil_sf(double);
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70 #endif
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71 #endif
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72 #ifdef LUAJIT_NO_LOG2
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73 LJ_ASMF double lj_vm_log2(double);
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74 #else
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75 #define lj_vm_log2 log2
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76 #endif
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77 #if !(defined(_LJ_DISPATCH_H) && LJ_TARGET_MIPS)
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78 LJ_ASMF int32_t LJ_FASTCALL lj_vm_modi(int32_t, int32_t);
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79 #endif
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80
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81 #if LJ_HASJIT
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82 #if LJ_TARGET_X86ORX64
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83 LJ_ASMF void lj_vm_floor_sse(void);
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84 LJ_ASMF void lj_vm_ceil_sse(void);
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85 LJ_ASMF void lj_vm_trunc_sse(void);
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86 #endif
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87 #if LJ_TARGET_PPC || LJ_TARGET_ARM64
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88 #define lj_vm_trunc trunc
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89 #else
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90 LJ_ASMF double lj_vm_trunc(double);
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91 #if LJ_TARGET_ARM
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92 LJ_ASMF double lj_vm_trunc_sf(double);
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93 #endif
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94 #endif
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95 #if LJ_HASFFI
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96 LJ_ASMF int lj_vm_errno(void);
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97 #endif
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98 LJ_ASMF TValue *lj_vm_next(GCtab *t, uint32_t idx);
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99 #endif
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100
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101 /* Continuations for metamethods. */
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102 LJ_ASMF void lj_cont_cat(void); /* Continue with concatenation. */
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103 LJ_ASMF void lj_cont_ra(void); /* Store result in RA from instruction. */
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104 LJ_ASMF void lj_cont_nop(void); /* Do nothing, just continue execution. */
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105 LJ_ASMF void lj_cont_condt(void); /* Branch if result is true. */
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106 LJ_ASMF void lj_cont_condf(void); /* Branch if result is false. */
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107 LJ_ASMF void lj_cont_hook(void); /* Continue from hook yield. */
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108 LJ_ASMF void lj_cont_stitch(void); /* Trace stitching. */
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109
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110 /* Start of the ASM code. */
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111 LJ_ASMF char lj_vm_asm_begin[];
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112
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113 /* Bytecode offsets are relative to lj_vm_asm_begin. */
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114 #define makeasmfunc(ofs) lj_ptr_sign((ASMFunction)(lj_vm_asm_begin + (ofs)), 0)
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115
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116 #endif