suwako / ShaderPlayground

master
ブランチ master
ShaderPlayground / deps / luajit / include / lj_arch.h
12.1 KB、460行 生 Blame 履歴
1/*
2** Target architecture selection.
3** Copyright (C) 2005-2026 Mike Pall. See Copyright Notice in luajit.h
4*/
5
6#ifndef _LJ_ARCH_H
7#define _LJ_ARCH_H
8
9#include "lua.h"
10
11/* Target endianess. */
12#define LUAJIT_LE 0
13#define LUAJIT_BE 1
14
15/* Target architectures. */
16#define LUAJIT_ARCH_X86 1
17#define LUAJIT_ARCH_x86 1
18#define LUAJIT_ARCH_X64 2
19#define LUAJIT_ARCH_x64 2
20#define LUAJIT_ARCH_ARM 3
21#define LUAJIT_ARCH_arm 3
22#define LUAJIT_ARCH_PPC 4
23#define LUAJIT_ARCH_ppc 4
24#define LUAJIT_ARCH_PPCSPE 5
25#define LUAJIT_ARCH_ppcspe 5
26#define LUAJIT_ARCH_MIPS 6
27#define LUAJIT_ARCH_mips 6
28
29/* Target OS. */
30#define LUAJIT_OS_OTHER 0
31#define LUAJIT_OS_WINDOWS 1
32#define LUAJIT_OS_LINUX 2
33#define LUAJIT_OS_OSX 3
34#define LUAJIT_OS_BSD 4
35#define LUAJIT_OS_POSIX 5
36
37/* Select native target if no target defined. */
38#ifndef LUAJIT_TARGET
39
40#if defined(__i386) || defined(__i386__) || defined(_M_IX86)
41#define LUAJIT_TARGET LUAJIT_ARCH_X86
42#elif defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
43#define LUAJIT_TARGET LUAJIT_ARCH_X64
44#elif defined(__arm__) || defined(__arm) || defined(__ARM__) || defined(__ARM)
45#define LUAJIT_TARGET LUAJIT_ARCH_ARM
46#elif defined(__ppc__) || defined(__ppc) || defined(__PPC__) || defined(__PPC) || defined(__powerpc__) || defined(__powerpc) || defined(__POWERPC__) || defined(__POWERPC) || defined(_M_PPC)
47#ifdef __NO_FPRS__
48#define LUAJIT_TARGET LUAJIT_ARCH_PPCSPE
49#else
50#define LUAJIT_TARGET LUAJIT_ARCH_PPC
51#endif
52#elif defined(__mips__) || defined(__mips) || defined(__MIPS__) || defined(__MIPS)
53#define LUAJIT_TARGET LUAJIT_ARCH_MIPS
54#else
55#error "Architecture not supported (in this version), see: https://luajit.org/status.html#architectures"
56#endif
57
58#endif
59
60/* Select native OS if no target OS defined. */
61#ifndef LUAJIT_OS
62
63#if defined(_WIN32) && !defined(_XBOX_VER)
64#define LUAJIT_OS LUAJIT_OS_WINDOWS
65#elif defined(__linux__)
66#define LUAJIT_OS LUAJIT_OS_LINUX
67#elif defined(__MACH__) && defined(__APPLE__)
68#define LUAJIT_OS LUAJIT_OS_OSX
69#elif (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
70 defined(__NetBSD__) || defined(__OpenBSD__) || \
71 defined(__DragonFly__)) && !defined(__ORBIS__)
72#define LUAJIT_OS LUAJIT_OS_BSD
73#elif (defined(__sun__) && defined(__svr4__))
74#define LUAJIT_OS LUAJIT_OS_POSIX
75#elif defined(__CYGWIN__)
76#define LJ_TARGET_CYGWIN 1
77#define LUAJIT_OS LUAJIT_OS_POSIX
78#else
79#define LUAJIT_OS LUAJIT_OS_OTHER
80#endif
81
82#endif
83
84/* Set target OS properties. */
85#if LUAJIT_OS == LUAJIT_OS_WINDOWS
86#define LJ_OS_NAME "Windows"
87#elif LUAJIT_OS == LUAJIT_OS_LINUX
88#define LJ_OS_NAME "Linux"
89#elif LUAJIT_OS == LUAJIT_OS_OSX
90#define LJ_OS_NAME "OSX"
91#elif LUAJIT_OS == LUAJIT_OS_BSD
92#define LJ_OS_NAME "BSD"
93#elif LUAJIT_OS == LUAJIT_OS_POSIX
94#define LJ_OS_NAME "POSIX"
95#else
96#define LJ_OS_NAME "Other"
97#endif
98
99#define LJ_TARGET_WINDOWS (LUAJIT_OS == LUAJIT_OS_WINDOWS)
100#define LJ_TARGET_LINUX (LUAJIT_OS == LUAJIT_OS_LINUX)
101#define LJ_TARGET_OSX (LUAJIT_OS == LUAJIT_OS_OSX)
102#define LJ_TARGET_IOS (LJ_TARGET_OSX && LUAJIT_TARGET == LUAJIT_ARCH_ARM)
103#define LJ_TARGET_POSIX (LUAJIT_OS > LUAJIT_OS_WINDOWS)
104#define LJ_TARGET_DLOPEN LJ_TARGET_POSIX
105
106#ifdef __CELLOS_LV2__
107#define LJ_TARGET_PS3 1
108#define LJ_TARGET_CONSOLE 1
109#endif
110
111#ifdef __ORBIS__
112#define LJ_TARGET_PS4 1
113#define LJ_TARGET_CONSOLE 1
114#undef NULL
115#define NULL ((void*)0)
116#endif
117
118#ifdef __psp2__
119#define LJ_TARGET_PSVITA 1
120#define LJ_TARGET_CONSOLE 1
121#endif
122
123#if _XBOX_VER >= 200
124#define LJ_TARGET_XBOX360 1
125#define LJ_TARGET_CONSOLE 1
126#endif
127
128#define LJ_NUMMODE_SINGLE 0 /* Single-number mode only. */
129#define LJ_NUMMODE_SINGLE_DUAL 1 /* Default to single-number mode. */
130#define LJ_NUMMODE_DUAL 2 /* Dual-number mode only. */
131#define LJ_NUMMODE_DUAL_SINGLE 3 /* Default to dual-number mode. */
132
133/* Set target architecture properties. */
134#if LUAJIT_TARGET == LUAJIT_ARCH_X86
135
136#define LJ_ARCH_NAME "x86"
137#define LJ_ARCH_BITS 32
138#define LJ_ARCH_ENDIAN LUAJIT_LE
139#if LJ_TARGET_WINDOWS || LJ_TARGET_CYGWIN
140#define LJ_ABI_WIN 1
141#else
142#define LJ_ABI_WIN 0
143#endif
144#define LJ_TARGET_X86 1
145#define LJ_TARGET_X86ORX64 1
146#define LJ_TARGET_EHRETREG 0
147#define LJ_TARGET_MASKSHIFT 1
148#define LJ_TARGET_MASKROT 1
149#define LJ_TARGET_UNALIGNED 1
150#define LJ_ARCH_NUMMODE LJ_NUMMODE_SINGLE_DUAL
151
152#elif LUAJIT_TARGET == LUAJIT_ARCH_X64
153
154#define LJ_ARCH_NAME "x64"
155#define LJ_ARCH_BITS 64
156#define LJ_ARCH_ENDIAN LUAJIT_LE
157#if LJ_TARGET_WINDOWS || LJ_TARGET_CYGWIN
158#define LJ_ABI_WIN 1
159#else
160#define LJ_ABI_WIN 0
161#endif
162#define LJ_TARGET_X64 1
163#define LJ_TARGET_X86ORX64 1
164#define LJ_TARGET_EHRETREG 0
165#define LJ_TARGET_JUMPRANGE 31 /* +-2^31 = +-2GB */
166#define LJ_TARGET_MASKSHIFT 1
167#define LJ_TARGET_MASKROT 1
168#define LJ_TARGET_UNALIGNED 1
169#define LJ_ARCH_NUMMODE LJ_NUMMODE_SINGLE_DUAL
170
171#elif LUAJIT_TARGET == LUAJIT_ARCH_ARM
172
173#define LJ_ARCH_NAME "arm"
174#define LJ_ARCH_BITS 32
175#define LJ_ARCH_ENDIAN LUAJIT_LE
176#if !defined(LJ_ARCH_HASFPU) && __SOFTFP__
177#define LJ_ARCH_HASFPU 0
178#endif
179#if !defined(LJ_ABI_SOFTFP) && !__ARM_PCS_VFP
180#define LJ_ABI_SOFTFP 1
181#endif
182#define LJ_ABI_EABI 1
183#define LJ_TARGET_ARM 1
184#define LJ_TARGET_EHRETREG 0
185#define LJ_TARGET_JUMPRANGE 25 /* +-2^25 = +-32MB */
186#define LJ_TARGET_MASKSHIFT 0
187#define LJ_TARGET_MASKROT 1
188#define LJ_TARGET_UNIFYROT 2 /* Want only IR_BROR. */
189#define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL
190
191#if __ARM_ARCH >= 8 || __ARM_ARCH_8__ || __ARM_ARCH_8A__
192#define LJ_ARCH_VERSION 80
193#elif __ARM_ARCH == 7 || __ARM_ARCH_7__ || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH_7S__ || __ARM_ARCH_7VE__
194#define LJ_ARCH_VERSION 70
195#elif __ARM_ARCH_6T2__
196#define LJ_ARCH_VERSION 61
197#elif __ARM_ARCH == 6 || __ARM_ARCH_6__ || __ARM_ARCH_6J__ || __ARM_ARCH_6K__ || __ARM_ARCH_6Z__ || __ARM_ARCH_6ZK__
198#define LJ_ARCH_VERSION 60
199#else
200#define LJ_ARCH_VERSION 50
201#endif
202
203#elif LUAJIT_TARGET == LUAJIT_ARCH_PPC
204
205#define LJ_ARCH_NAME "ppc"
206#if _LP64
207#define LJ_ARCH_BITS 64
208#else
209#define LJ_ARCH_BITS 32
210#endif
211#define LJ_ARCH_ENDIAN LUAJIT_BE
212#define LJ_TARGET_PPC 1
213#define LJ_TARGET_EHRETREG 3
214#define LJ_TARGET_JUMPRANGE 25 /* +-2^25 = +-32MB */
215#define LJ_TARGET_MASKSHIFT 0
216#define LJ_TARGET_MASKROT 1
217#define LJ_TARGET_UNIFYROT 1 /* Want only IR_BROL. */
218#define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL_SINGLE
219
220#if _ARCH_PWR7
221#define LJ_ARCH_VERSION 70
222#elif _ARCH_PWR6
223#define LJ_ARCH_VERSION 60
224#elif _ARCH_PWR5X
225#define LJ_ARCH_VERSION 51
226#elif _ARCH_PWR5
227#define LJ_ARCH_VERSION 50
228#elif _ARCH_PWR4
229#define LJ_ARCH_VERSION 40
230#else
231#define LJ_ARCH_VERSION 0
232#endif
233#if __PPC64__ || __powerpc64__ || LJ_TARGET_CONSOLE
234#define LJ_ARCH_PPC64 1
235#define LJ_ARCH_NOFFI 1
236#endif
237#if _ARCH_PPCSQ
238#define LJ_ARCH_SQRT 1
239#endif
240#if _ARCH_PWR5X
241#define LJ_ARCH_ROUND 1
242#endif
243#if __PPU__
244#define LJ_ARCH_CELL 1
245#endif
246#if LJ_TARGET_XBOX360
247#define LJ_ARCH_XENON 1
248#endif
249
250#elif LUAJIT_TARGET == LUAJIT_ARCH_PPCSPE
251
252#define LJ_ARCH_NAME "ppcspe"
253#define LJ_ARCH_BITS 32
254#define LJ_ARCH_ENDIAN LUAJIT_BE
255#ifndef LJ_ABI_SOFTFP
256#define LJ_ABI_SOFTFP 1
257#endif
258#define LJ_ABI_EABI 1
259#define LJ_TARGET_PPCSPE 1
260#define LJ_TARGET_EHRETREG 3
261#define LJ_TARGET_JUMPRANGE 25 /* +-2^25 = +-32MB */
262#define LJ_TARGET_MASKSHIFT 0
263#define LJ_TARGET_MASKROT 1
264#define LJ_TARGET_UNIFYROT 1 /* Want only IR_BROL. */
265#define LJ_ARCH_NUMMODE LJ_NUMMODE_SINGLE
266#define LJ_ARCH_NOFFI 1 /* NYI: comparisons, calls. */
267#define LJ_ARCH_NOJIT 1
268
269#elif LUAJIT_TARGET == LUAJIT_ARCH_MIPS
270
271#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL)
272#define LJ_ARCH_NAME "mipsel"
273#define LJ_ARCH_ENDIAN LUAJIT_LE
274#else
275#define LJ_ARCH_NAME "mips"
276#define LJ_ARCH_ENDIAN LUAJIT_BE
277#endif
278#define LJ_ARCH_BITS 32
279#define LJ_TARGET_MIPS 1
280#define LJ_TARGET_EHRETREG 4
281#define LJ_TARGET_JUMPRANGE 27 /* 2*2^27 = 256MB-aligned region */
282#define LJ_TARGET_MASKSHIFT 1
283#define LJ_TARGET_MASKROT 1
284#define LJ_TARGET_UNIFYROT 2 /* Want only IR_BROR. */
285#define LJ_ARCH_NUMMODE LJ_NUMMODE_SINGLE
286
287#if _MIPS_ARCH_MIPS32R2
288#define LJ_ARCH_VERSION 20
289#else
290#define LJ_ARCH_VERSION 10
291#endif
292
293#else
294#error "No target architecture defined"
295#endif
296
297#ifndef LJ_PAGESIZE
298#define LJ_PAGESIZE 4096
299#endif
300
301/* Check for minimum required compiler versions. */
302#if defined(__GNUC__)
303#if LJ_TARGET_X86
304#if (__GNUC__ < 3) || ((__GNUC__ == 3) && __GNUC_MINOR__ < 4)
305#error "Need at least GCC 3.4 or newer"
306#endif
307#elif LJ_TARGET_X64
308#if __GNUC__ < 4
309#error "Need at least GCC 4.0 or newer"
310#endif
311#elif LJ_TARGET_ARM
312#if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 2)
313#error "Need at least GCC 4.2 or newer"
314#endif
315#elif !LJ_TARGET_PS3
316#if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 3)
317#error "Need at least GCC 4.3 or newer"
318#endif
319#endif
320#endif
321
322/* Check target-specific constraints. */
323#ifndef _BUILDVM_H
324#if LJ_TARGET_X64
325#if __USING_SJLJ_EXCEPTIONS__
326#error "Need a C compiler with native exception handling on x64"
327#endif
328#elif LJ_TARGET_ARM
329#if defined(__ARMEB__)
330#error "No support for big-endian ARM"
331#undef LJ_TARGET_ARM
332#endif
333#if __ARM_ARCH_6M__ || __ARM_ARCH_7M__ || __ARM_ARCH_7EM__
334#error "No support for Cortex-M CPUs"
335#undef LJ_TARGET_ARM
336#endif
337#if !(__ARM_EABI__ || LJ_TARGET_IOS)
338#error "Only ARM EABI or iOS 3.0+ ABI is supported"
339#undef LJ_TARGET_ARM
340#endif
341#elif LJ_TARGET_PPC || LJ_TARGET_PPCSPE
342#if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE)
343#error "No support for PowerPC CPUs without double-precision FPU, use LuaJIT v2.1"
344#undef LJ_TARGET_PPC
345#endif
346#if defined(_LITTLE_ENDIAN) && (!defined(_BYTE_ORDER) || (_BYTE_ORDER == _LITTLE_ENDIAN))
347#error "No support for little-endian PowerPC"
348#undef LJ_TARGET_PPC
349#endif
350#if defined(_LP64)
351#error "No support for PowerPC 64 bit mode"
352#undef LJ_TARGET_PPC
353#endif
354#elif LJ_TARGET_MIPS
355#if defined(__mips_soft_float)
356#error "No support for MIPS CPUs without FPU, use LuaJIT v2.1+"
357#undef LJ_TARGET_MIPS
358#endif
359#if defined(_LP64)
360#error "No support for MIPS64, use LuaJIT v2.1+"
361#undef LJ_TARGET_MIPS
362#endif
363#endif
364#endif
365
366/* Enable or disable the dual-number mode for the VM. */
367#if (LJ_ARCH_NUMMODE == LJ_NUMMODE_SINGLE && LUAJIT_NUMMODE == 2) || \
368 (LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL && LUAJIT_NUMMODE == 1)
369#error "No support for this number mode on this architecture"
370#endif
371#if LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL || \
372 (LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL_SINGLE && LUAJIT_NUMMODE != 1) || \
373 (LJ_ARCH_NUMMODE == LJ_NUMMODE_SINGLE_DUAL && LUAJIT_NUMMODE == 2)
374#define LJ_DUALNUM 1
375#else
376#define LJ_DUALNUM 0
377#endif
378
379#if LJ_TARGET_IOS || LJ_TARGET_CONSOLE
380/* Runtime code generation is restricted on iOS. Complain to Apple, not me. */
381/* Ditto for the consoles. Complain to Sony or MS, not me. */
382#ifndef LUAJIT_ENABLE_JIT
383#define LJ_OS_NOJIT 1
384#endif
385#endif
386
387/* Disable or enable the JIT compiler. */
388#if defined(LUAJIT_DISABLE_JIT) || defined(LJ_ARCH_NOJIT) || defined(LJ_OS_NOJIT)
389#define LJ_HASJIT 0
390#else
391#define LJ_HASJIT 1
392#endif
393
394/* Disable or enable the FFI extension. */
395#if defined(LUAJIT_DISABLE_FFI) || defined(LJ_ARCH_NOFFI)
396#define LJ_HASFFI 0
397#else
398#define LJ_HASFFI 1
399#endif
400
401#ifndef LJ_ARCH_HASFPU
402#define LJ_ARCH_HASFPU 1
403#endif
404#ifndef LJ_ABI_SOFTFP
405#define LJ_ABI_SOFTFP 0
406#endif
407#define LJ_SOFTFP (!LJ_ARCH_HASFPU)
408
409#if LJ_ARCH_ENDIAN == LUAJIT_BE
410#define LJ_LE 0
411#define LJ_BE 1
412#define LJ_ENDIAN_SELECT(le, be) be
413#define LJ_ENDIAN_LOHI(lo, hi) hi lo
414#else
415#define LJ_LE 1
416#define LJ_BE 0
417#define LJ_ENDIAN_SELECT(le, be) le
418#define LJ_ENDIAN_LOHI(lo, hi) lo hi
419#endif
420
421#if LJ_ARCH_BITS == 32
422#define LJ_32 1
423#define LJ_64 0
424#else
425#define LJ_32 0
426#define LJ_64 1
427#endif
428
429#ifndef LJ_TARGET_UNALIGNED
430#define LJ_TARGET_UNALIGNED 0
431#endif
432
433/* Various workarounds for embedded operating systems. */
434#if (defined(__ANDROID__) && !defined(LJ_TARGET_X86ORX64)) || defined(__symbian__) || LJ_TARGET_XBOX360
435#define LUAJIT_NO_LOG2
436#endif
437#if defined(__symbian__)
438#define LUAJIT_NO_EXP2
439#endif
440#if LJ_TARGET_CONSOLE || (LJ_TARGET_IOS && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_8_0)
441#define LJ_NO_SYSTEM 1
442#endif
443
444#if !defined(LUAJIT_NO_UNWIND) && __GNU_COMPACT_EH__
445/* NYI: no support for compact unwind specification, yet. */
446#define LUAJIT_NO_UNWIND 1
447#endif
448
449#if defined(LUAJIT_NO_UNWIND) || defined(__symbian__) || LJ_TARGET_IOS || LJ_TARGET_PS3 || LJ_TARGET_PS4
450#define LJ_NO_UNWIND 1
451#endif
452
453/* Compatibility with Lua 5.1 vs. 5.2. */
454#ifdef LUAJIT_ENABLE_LUA52COMPAT
455#define LJ_52 1
456#else
457#define LJ_52 0
458#endif
459
460#endif