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-rw-r--r--libs/luajit-cmake/luajit/src/lj_frame.h297
1 files changed, 297 insertions, 0 deletions
diff --git a/libs/luajit-cmake/luajit/src/lj_frame.h b/libs/luajit-cmake/luajit/src/lj_frame.h
new file mode 100644
index 0000000..aa1dc11
--- /dev/null
+++ b/libs/luajit-cmake/luajit/src/lj_frame.h
@@ -0,0 +1,297 @@
+/*
+** Stack frames.
+** Copyright (C) 2005-2022 Mike Pall. See Copyright Notice in luajit.h
+*/
+
+#ifndef _LJ_FRAME_H
+#define _LJ_FRAME_H
+
+#include "lj_obj.h"
+#include "lj_bc.h"
+
+/* -- Lua stack frame ----------------------------------------------------- */
+
+/* Frame type markers in LSB of PC (4-byte aligned) or delta (8-byte aligned:
+**
+** PC 00 Lua frame
+** delta 001 C frame
+** delta 010 Continuation frame
+** delta 011 Lua vararg frame
+** delta 101 cpcall() frame
+** delta 110 ff pcall() frame
+** delta 111 ff pcall() frame with active hook
+*/
+enum {
+ FRAME_LUA, FRAME_C, FRAME_CONT, FRAME_VARG,
+ FRAME_LUAP, FRAME_CP, FRAME_PCALL, FRAME_PCALLH
+};
+#define FRAME_TYPE 3
+#define FRAME_P 4
+#define FRAME_TYPEP (FRAME_TYPE|FRAME_P)
+
+/* Macros to access and modify Lua frames. */
+#if LJ_FR2
+/* Two-slot frame info, required for 64 bit PC/GCRef:
+**
+** base-2 base-1 | base base+1 ...
+** [func PC/delta/ft] | [slots ...]
+** ^-- frame | ^-- base ^-- top
+**
+** Continuation frames:
+**
+** base-4 base-3 base-2 base-1 | base base+1 ...
+** [cont PC ] [func PC/delta/ft] | [slots ...]
+** ^-- frame | ^-- base ^-- top
+*/
+#define frame_gc(f) (gcval((f)-1))
+#define frame_ftsz(f) ((ptrdiff_t)(f)->ftsz)
+#define frame_pc(f) ((const BCIns *)frame_ftsz(f))
+#define setframe_gc(f, p, tp) (setgcVraw((f), (p), (tp)))
+#define setframe_ftsz(f, sz) ((f)->ftsz = (sz))
+#define setframe_pc(f, pc) ((f)->ftsz = (int64_t)(intptr_t)(pc))
+#else
+/* One-slot frame info, sufficient for 32 bit PC/GCRef:
+**
+** base-1 | base base+1 ...
+** lo hi |
+** [func | PC/delta/ft] | [slots ...]
+** ^-- frame | ^-- base ^-- top
+**
+** Continuation frames:
+**
+** base-2 base-1 | base base+1 ...
+** lo hi lo hi |
+** [cont | PC] [func | PC/delta/ft] | [slots ...]
+** ^-- frame | ^-- base ^-- top
+*/
+#define frame_gc(f) (gcref((f)->fr.func))
+#define frame_ftsz(f) ((ptrdiff_t)(f)->fr.tp.ftsz)
+#define frame_pc(f) (mref((f)->fr.tp.pcr, const BCIns))
+#define setframe_gc(f, p, tp) (setgcref((f)->fr.func, (p)), UNUSED(tp))
+#define setframe_ftsz(f, sz) ((f)->fr.tp.ftsz = (int32_t)(sz))
+#define setframe_pc(f, pc) (setmref((f)->fr.tp.pcr, (pc)))
+#endif
+
+#define frame_type(f) (frame_ftsz(f) & FRAME_TYPE)
+#define frame_typep(f) (frame_ftsz(f) & FRAME_TYPEP)
+#define frame_islua(f) (frame_type(f) == FRAME_LUA)
+#define frame_isc(f) (frame_type(f) == FRAME_C)
+#define frame_iscont(f) (frame_typep(f) == FRAME_CONT)
+#define frame_isvarg(f) (frame_typep(f) == FRAME_VARG)
+#define frame_ispcall(f) ((frame_ftsz(f) & 6) == FRAME_PCALL)
+
+#define frame_func(f) (&frame_gc(f)->fn)
+#define frame_delta(f) (frame_ftsz(f) >> 3)
+#define frame_sized(f) (frame_ftsz(f) & ~FRAME_TYPEP)
+
+enum { LJ_CONT_TAILCALL, LJ_CONT_FFI_CALLBACK }; /* Special continuations. */
+
+#if LJ_FR2
+#define frame_contpc(f) (frame_pc((f)-2))
+#define frame_contv(f) (((f)-3)->u64)
+#else
+#define frame_contpc(f) (frame_pc((f)-1))
+#define frame_contv(f) (((f)-1)->u32.lo)
+#endif
+#if LJ_FR2
+#define frame_contf(f) ((ASMFunction)(uintptr_t)((f)-3)->u64)
+#elif LJ_64
+#define frame_contf(f) \
+ ((ASMFunction)(void *)((intptr_t)lj_vm_asm_begin + \
+ (intptr_t)(int32_t)((f)-1)->u32.lo))
+#else
+#define frame_contf(f) ((ASMFunction)gcrefp(((f)-1)->gcr, void))
+#endif
+#define frame_iscont_fficb(f) \
+ (LJ_HASFFI && frame_contv(f) == LJ_CONT_FFI_CALLBACK)
+
+#define frame_prevl(f) ((f) - (1+LJ_FR2+bc_a(frame_pc(f)[-1])))
+#define frame_prevd(f) ((TValue *)((char *)(f) - frame_sized(f)))
+#define frame_prev(f) (frame_islua(f)?frame_prevl(f):frame_prevd(f))
+/* Note: this macro does not skip over FRAME_VARG. */
+
+/* -- C stack frame ------------------------------------------------------- */
+
+/* Macros to access and modify the C stack frame chain. */
+
+/* These definitions must match with the arch-specific *.dasc files. */
+#if LJ_TARGET_X86
+#if LJ_ABI_WIN
+#define CFRAME_OFS_ERRF (19*4)
+#define CFRAME_OFS_NRES (18*4)
+#define CFRAME_OFS_PREV (17*4)
+#define CFRAME_OFS_L (16*4)
+#define CFRAME_OFS_SEH (9*4)
+#define CFRAME_OFS_PC (6*4)
+#define CFRAME_OFS_MULTRES (5*4)
+#define CFRAME_SIZE (16*4)
+#define CFRAME_SHIFT_MULTRES 0
+#else
+#define CFRAME_OFS_ERRF (15*4)
+#define CFRAME_OFS_NRES (14*4)
+#define CFRAME_OFS_PREV (13*4)
+#define CFRAME_OFS_L (12*4)
+#define CFRAME_OFS_PC (6*4)
+#define CFRAME_OFS_MULTRES (5*4)
+#define CFRAME_SIZE (12*4)
+#define CFRAME_SHIFT_MULTRES 0
+#endif
+#elif LJ_TARGET_X64
+#if LJ_ABI_WIN
+#define CFRAME_OFS_PREV (13*8)
+#if LJ_GC64
+#define CFRAME_OFS_PC (12*8)
+#define CFRAME_OFS_L (11*8)
+#define CFRAME_OFS_ERRF (21*4)
+#define CFRAME_OFS_NRES (20*4)
+#define CFRAME_OFS_MULTRES (8*4)
+#else
+#define CFRAME_OFS_PC (25*4)
+#define CFRAME_OFS_L (24*4)
+#define CFRAME_OFS_ERRF (23*4)
+#define CFRAME_OFS_NRES (22*4)
+#define CFRAME_OFS_MULTRES (21*4)
+#endif
+#define CFRAME_SIZE (10*8)
+#define CFRAME_SIZE_JIT (CFRAME_SIZE + 9*16 + 4*8)
+#define CFRAME_SHIFT_MULTRES 0
+#else
+#define CFRAME_OFS_PREV (4*8)
+#if LJ_GC64
+#define CFRAME_OFS_PC (3*8)
+#define CFRAME_OFS_L (2*8)
+#define CFRAME_OFS_ERRF (3*4)
+#define CFRAME_OFS_NRES (2*4)
+#define CFRAME_OFS_MULTRES (0*4)
+#else
+#define CFRAME_OFS_PC (7*4)
+#define CFRAME_OFS_L (6*4)
+#define CFRAME_OFS_ERRF (5*4)
+#define CFRAME_OFS_NRES (4*4)
+#define CFRAME_OFS_MULTRES (1*4)
+#endif
+#if LJ_NO_UNWIND
+#define CFRAME_SIZE (12*8)
+#else
+#define CFRAME_SIZE (10*8)
+#endif
+#define CFRAME_SIZE_JIT (CFRAME_SIZE + 16)
+#define CFRAME_SHIFT_MULTRES 0
+#endif
+#elif LJ_TARGET_ARM
+#define CFRAME_OFS_ERRF 24
+#define CFRAME_OFS_NRES 20
+#define CFRAME_OFS_PREV 16
+#define CFRAME_OFS_L 12
+#define CFRAME_OFS_PC 8
+#define CFRAME_OFS_MULTRES 4
+#if LJ_ARCH_HASFPU
+#define CFRAME_SIZE 128
+#else
+#define CFRAME_SIZE 64
+#endif
+#define CFRAME_SHIFT_MULTRES 3
+#elif LJ_TARGET_ARM64
+#define CFRAME_OFS_ERRF 36
+#define CFRAME_OFS_NRES 40
+#define CFRAME_OFS_PREV 0
+#define CFRAME_OFS_L 16
+#define CFRAME_OFS_PC 8
+#define CFRAME_OFS_MULTRES 32
+#define CFRAME_SIZE 208
+#define CFRAME_SHIFT_MULTRES 3
+#elif LJ_TARGET_PPC
+#if LJ_TARGET_XBOX360
+#define CFRAME_OFS_ERRF 424
+#define CFRAME_OFS_NRES 420
+#define CFRAME_OFS_PREV 400
+#define CFRAME_OFS_L 416
+#define CFRAME_OFS_PC 412
+#define CFRAME_OFS_MULTRES 408
+#define CFRAME_SIZE 384
+#define CFRAME_SHIFT_MULTRES 3
+#elif LJ_ARCH_PPC32ON64
+#define CFRAME_OFS_ERRF 472
+#define CFRAME_OFS_NRES 468
+#define CFRAME_OFS_PREV 448
+#define CFRAME_OFS_L 464
+#define CFRAME_OFS_PC 460
+#define CFRAME_OFS_MULTRES 456
+#define CFRAME_SIZE 400
+#define CFRAME_SHIFT_MULTRES 3
+#else
+#define CFRAME_OFS_ERRF 48
+#define CFRAME_OFS_NRES 44
+#define CFRAME_OFS_PREV 40
+#define CFRAME_OFS_L 36
+#define CFRAME_OFS_PC 32
+#define CFRAME_OFS_MULTRES 28
+#define CFRAME_SIZE (LJ_ARCH_HASFPU ? 272 : 128)
+#define CFRAME_SHIFT_MULTRES 3
+#endif
+#elif LJ_TARGET_MIPS32
+#if LJ_ARCH_HASFPU
+#define CFRAME_OFS_ERRF 124
+#define CFRAME_OFS_NRES 120
+#define CFRAME_OFS_PREV 116
+#define CFRAME_OFS_L 112
+#define CFRAME_SIZE 112
+#else
+#define CFRAME_OFS_ERRF 76
+#define CFRAME_OFS_NRES 72
+#define CFRAME_OFS_PREV 68
+#define CFRAME_OFS_L 64
+#define CFRAME_SIZE 64
+#endif
+#define CFRAME_OFS_PC 20
+#define CFRAME_OFS_MULTRES 16
+#define CFRAME_SHIFT_MULTRES 3
+#elif LJ_TARGET_MIPS64
+#if LJ_ARCH_HASFPU
+#define CFRAME_OFS_ERRF 188
+#define CFRAME_OFS_NRES 184
+#define CFRAME_OFS_PREV 176
+#define CFRAME_OFS_L 168
+#define CFRAME_OFS_PC 160
+#define CFRAME_SIZE 192
+#else
+#define CFRAME_OFS_ERRF 124
+#define CFRAME_OFS_NRES 120
+#define CFRAME_OFS_PREV 112
+#define CFRAME_OFS_L 104
+#define CFRAME_OFS_PC 96
+#define CFRAME_SIZE 128
+#endif
+#define CFRAME_OFS_MULTRES 0
+#define CFRAME_SHIFT_MULTRES 3
+#else
+#error "Missing CFRAME_* definitions for this architecture"
+#endif
+
+#ifndef CFRAME_SIZE_JIT
+#define CFRAME_SIZE_JIT CFRAME_SIZE
+#endif
+
+#define CFRAME_RESUME 1
+#define CFRAME_UNWIND_FF 2 /* Only used in unwinder. */
+#define CFRAME_RAWMASK (~(intptr_t)(CFRAME_RESUME|CFRAME_UNWIND_FF))
+
+#define cframe_errfunc(cf) (*(int32_t *)(((char *)(cf))+CFRAME_OFS_ERRF))
+#define cframe_nres(cf) (*(int32_t *)(((char *)(cf))+CFRAME_OFS_NRES))
+#define cframe_prev(cf) (*(void **)(((char *)(cf))+CFRAME_OFS_PREV))
+#define cframe_multres(cf) (*(uint32_t *)(((char *)(cf))+CFRAME_OFS_MULTRES))
+#define cframe_multres_n(cf) (cframe_multres((cf)) >> CFRAME_SHIFT_MULTRES)
+#define cframe_L(cf) \
+ (&gcref(*(GCRef *)(((char *)(cf))+CFRAME_OFS_L))->th)
+#define cframe_pc(cf) \
+ (mref(*(MRef *)(((char *)(cf))+CFRAME_OFS_PC), const BCIns))
+#define setcframe_L(cf, L) \
+ (setmref(*(MRef *)(((char *)(cf))+CFRAME_OFS_L), (L)))
+#define setcframe_pc(cf, pc) \
+ (setmref(*(MRef *)(((char *)(cf))+CFRAME_OFS_PC), (pc)))
+#define cframe_canyield(cf) ((intptr_t)(cf) & CFRAME_RESUME)
+#define cframe_unwind_ff(cf) ((intptr_t)(cf) & CFRAME_UNWIND_FF)
+#define cframe_raw(cf) ((void *)((intptr_t)(cf) & CFRAME_RAWMASK))
+#define cframe_Lpc(L) cframe_pc(cframe_raw(L->cframe))
+
+#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 10:39:23 +0000