3 Nothing is defined before this file except target machine, target os
4 and the few things related to option settings in tccpp.c:tcc_predefs().
6 This file is either included at runtime as is, or converted and
7 included as C-strings at compile-time (depending on CONFIG_TCC_PREDEFS).
9 Note that line indent matters:
11 - in lines starting at column 1, platform macros are replaced by
12 corresponding TCC target compile-time macros. See conftest.c for
13 the list of platform macros supported in lines starting at column 1.
15 - only lines indented >= 4 are actually included into the executable,
19 #if __SIZEOF_POINTER__ == 4
21 #if defined TARGETOS_OpenBSD
22 #define __SIZE_TYPE__ unsigned long
23 #define __PTRDIFF_TYPE__ long
25 #define __SIZE_TYPE__ unsigned int
26 #define __PTRDIFF_TYPE__ int
29 #define __INT64_TYPE__ long long
30 #elif __SIZEOF_LONG__ == 4
32 #define __SIZE_TYPE__ unsigned long long
33 #define __PTRDIFF_TYPE__ long long
35 #define __INT64_TYPE__ long long
37 /* Other 64bit systems. */
38 #define __SIZE_TYPE__ unsigned long
39 #define __PTRDIFF_TYPE__ long
41 # if defined __linux__
42 #define __INT64_TYPE__ long
43 # else /* APPLE, BSD */
44 #define __INT64_TYPE__ long long
47 #define __SIZEOF_INT__ 4
48 #define __INT_MAX__ 0x7fffffff
49 #if __SIZEOF_LONG__ == 4
50 #define __LONG_MAX__ 0x7fffffffL
52 #define __LONG_MAX__ 0x7fffffffffffffffL
54 #define __SIZEOF_LONG_LONG__ 8
55 #define __LONG_LONG_MAX__ 0x7fffffffffffffffLL
56 #define __CHAR_BIT__ 8
57 #define __ORDER_LITTLE_ENDIAN__ 1234
58 #define __ORDER_BIG_ENDIAN__ 4321
59 #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
61 #define __WCHAR_TYPE__ unsigned short
62 #define __WINT_TYPE__ unsigned short
63 #elif defined __linux__
64 #define __WCHAR_TYPE__ int
65 #define __WINT_TYPE__ unsigned int
67 #define __WCHAR_TYPE__ int
68 #define __WINT_TYPE__ int
71 #if __STDC_VERSION__ == 201112L
72 # define __STDC_NO_ATOMICS__ 1
73 # define __STDC_NO_COMPLEX__ 1
74 # define __STDC_NO_THREADS__ 1
76 # define __STDC_UTF_16__ 1
77 # define __STDC_UTF_32__ 1
82 #define __declspec(x) __attribute__((x))
85 #elif defined __FreeBSD__
87 #define __GNUC_MINOR__ 3
88 #define __GNUC_PATCHLEVEL__ 0
89 #define __GNUC_STDC_INLINE__ 1
91 #define __RUNETYPE_INTERNAL 1
92 # if __SIZEOF_POINTER__ == 8
93 /* FIXME, __int128_t is used by setjump */
94 #define __int128_t struct { unsigned char _dummy[16] __attribute((aligned(16))); }
95 #define __SIZEOF_SIZE_T__ 8
96 #define __SIZEOF_PTRDIFF_T__ 8
98 #define __SIZEOF_SIZE_T__ 4
99 #define __SIZEOF_PTRDIFF_T__ 4
102 #elif defined __FreeBSD_kernel__
104 #elif defined __NetBSD__
106 #define __GNUC_MINOR__ 1
107 #define __GNUC_PATCHLEVEL__ 0
110 #if defined __aarch64__
111 #define _LOCORE /* avoids usage of __asm */
114 #elif defined __OpenBSD__
116 #define _ANSI_LIBRARY 1
118 #elif defined __APPLE__
119 /* emulate APPLE-GCC to make libc's headerfiles compile: */
120 #define __GNUC__ 4 /* darwin emits warning on GCC<4 */
121 #define __APPLE_CC__ 1 /* for <TargetConditionals.h> */
122 #define __LITTLE_ENDIAN__ 1
123 #define _DONT_USE_CTYPE_INLINE_ 1
124 /* avoids usage of GCC/clang specific builtins in libc-headerfiles: */
125 #define __FINITE_MATH_ONLY__ 1
126 #define _FORTIFY_SOURCE 0
128 #elif defined __ANDROID__
129 #define BIONIC_IOCTL_NO_SIGNEDNESS_OVERLOAD
130 #define __PRETTY_FUNCTION__ __FUNCTION__
131 #define __has_builtin(x) 0
139 /* Some derived integer types needed to get stdint.h to compile correctly on some platforms */
141 #define __UINTPTR_TYPE__ unsigned __PTRDIFF_TYPE__
142 #define __INTPTR_TYPE__ __PTRDIFF_TYPE__
144 #define __INT32_TYPE__ int
148 #define __REDIRECT(name, proto, alias) name proto __asm__ (#alias)
149 #define __REDIRECT_NTH(name, proto, alias) name proto __asm__ (#alias) __THROW
152 /* skip __builtin... with -E */
155 #define __builtin_offsetof(type, field) ((__SIZE_TYPE__)&((type*)0)->field)
156 #define __builtin_extract_return_addr(x) x
157 #if !defined __linux__ && !defined _WIN32
159 #define __builtin_huge_val() 1e500
160 #define __builtin_huge_valf() 1e50f
161 #define __builtin_huge_vall() 1e5000L
162 # if defined __APPLE__
163 #define __builtin_nanf(ignored_string) (0.0F/0.0F)
164 /* used by floats.h to implement FLT_ROUNDS C99 macro. 1 == to nearest */
165 #define __builtin_flt_rounds() 1
166 /* used by _fd_def.h */
167 #define __builtin_bzero(p, ignored_size) bzero(p, sizeof(*(p)))
169 #define __builtin_nanf(ignored_string) (0.0F/0.0F)
173 /* __builtin_va_list */
174 #if defined __x86_64__
176 /* GCC compatible definition of va_list. */
177 /* This should be in sync with the declaration in our lib/libtcc1.c */
179 unsigned gp_offset
, fp_offset
;
181 unsigned overflow_offset
;
182 char *overflow_arg_area
;
185 } __builtin_va_list
[1];
187 void *__va_arg(__builtin_va_list ap
, int arg_type
, int size
, int align
);
188 #define __builtin_va_start(ap, last) \
189 (*(ap) = *(__builtin_va_list)((char*)__builtin_frame_address(0) - 24))
190 #define __builtin_va_arg(ap, t) \
191 (*(t *)(__va_arg(ap, __builtin_va_arg_types(t), sizeof(t), __alignof__(t))))
192 #define __builtin_va_copy(dest, src) (*(dest) = *(src))
195 typedef char *__builtin_va_list
;
196 #define __builtin_va_arg(ap, t) ((sizeof(t) > 8 || (sizeof(t) & (sizeof(t) - 1))) \
197 ? **(t **)((ap += 8) - 8) : *(t *)((ap += 8) - 8))
200 #elif defined __arm__
201 typedef char *__builtin_va_list
;
202 #define _tcc_alignof(type) ((int)&((struct {char c;type x;} *)0)->x)
203 #define _tcc_align(addr,type) (((unsigned)addr + _tcc_alignof(type) - 1) \
204 & ~(_tcc_alignof(type) - 1))
205 #define __builtin_va_start(ap,last) (ap = ((char *)&(last)) + ((sizeof(last)+3)&~3))
206 #define __builtin_va_arg(ap,type) (ap = (void *) ((_tcc_align(ap,type)+sizeof(type)+3) \
207 &~3), *(type *)(ap - ((sizeof(type)+3)&~3)))
209 #elif defined __aarch64__
210 #if defined __APPLE__
217 void *__stack
, *__gr_top
, *__vr_top
;
218 int __gr_offs
, __vr_offs
;
222 #elif defined __riscv
223 typedef char *__builtin_va_list
;
224 #define __va_reg_size (__riscv_xlen >> 3)
225 #define _tcc_align(addr,type) (((unsigned long)addr + __alignof__(type) - 1) \
226 & -(__alignof__(type)))
227 #define __builtin_va_arg(ap,type) (*(sizeof(type) > (2*__va_reg_size) ? *(type **)((ap += __va_reg_size) - __va_reg_size) : (ap = (va_list)(_tcc_align(ap,type) + (sizeof(type)+__va_reg_size - 1)& -__va_reg_size), (type *)(ap - ((sizeof(type)+ __va_reg_size - 1)& -__va_reg_size)))))
230 typedef char *__builtin_va_list
;
231 #define __builtin_va_start(ap,last) (ap = ((char *)&(last)) + ((sizeof(last)+3)&~3))
232 #define __builtin_va_arg(ap,t) (*(t*)((ap+=(sizeof(t)+3)&~3)-((sizeof(t)+3)&~3)))
235 #define __builtin_va_end(ap) (void)(ap)
236 #ifndef __builtin_va_copy
237 # define __builtin_va_copy(dest, src) (dest) = (src)
240 /* TCC BBUILTIN AND BOUNDS ALIASES */
241 #ifdef __leading_underscore
242 # define __RENAME(X) __asm__("_"X)
244 # define __RENAME(X) __asm__(X)
247 #ifdef __BOUNDS_CHECKING_ON
248 # define __BUILTINBC(ret,name,params) ret __builtin_##name params __RENAME("__bound_"#name);
249 # define __BOUND(ret,name,params) ret name params __RENAME("__bound_"#name);
251 # define __BUILTINBC(ret,name,params) ret __builtin_##name params __RENAME(#name);
252 # define __BOUND(ret,name,params)
255 #define __BOTH __BOUND
256 #define __BUILTIN(ret,name,params)
258 #define __BOTH(ret,name,params) __BUILTINBC(ret,name,params)__BOUND(ret,name,params)
259 #define __BUILTIN(ret,name,params) ret __builtin_##name params __RENAME(#name);
262 __BOTH(void*, memcpy
, (void *, const void*, __SIZE_TYPE__
))
263 __BOTH(void*, memmove
, (void *, const void*, __SIZE_TYPE__
))
264 __BOTH(void*, memset
, (void *, int, __SIZE_TYPE__
))
265 __BOTH(int, memcmp
, (const void *, const void*, __SIZE_TYPE__
))
266 __BOTH(__SIZE_TYPE__
, strlen
, (const char *))
267 __BOTH(char*, strcpy
, (char *, const char *))
268 __BOTH(char*, strncpy
, (char *, const char*, __SIZE_TYPE__
))
269 __BOTH(int, strcmp
, (const char*, const char*))
270 __BOTH(int, strncmp
, (const char*, const char*, __SIZE_TYPE__
))
271 __BOTH(char*, strcat
, (char*, const char*))
272 __BOTH(char*, strncat
, (char*, const char*, __SIZE_TYPE__
))
273 __BOTH(char*, strchr
, (const char*, int))
274 __BOTH(char*, strrchr
, (const char*, int))
275 __BOTH(char*, strdup
, (const char*))
276 #if defined __ARM_EABI__
277 __BOUND(void*,__aeabi_memcpy
,(void*,const void*,__SIZE_TYPE__
))
278 __BOUND(void*,__aeabi_memmove
,(void*,const void*,__SIZE_TYPE__
))
279 __BOUND(void*,__aeabi_memmove4
,(void*,const void*,__SIZE_TYPE__
))
280 __BOUND(void*,__aeabi_memmove8
,(void*,const void*,__SIZE_TYPE__
))
281 __BOUND(void*,__aeabi_memset
,(void*,int,__SIZE_TYPE__
))
284 #if defined __linux__ || defined __APPLE__ // HAVE MALLOC_REDIR
285 #define __MAYBE_REDIR __BUILTIN
287 #define __MAYBE_REDIR __BOTH
289 __MAYBE_REDIR(void*, malloc
, (__SIZE_TYPE__
))
290 __MAYBE_REDIR(void*, realloc
, (void *, __SIZE_TYPE__
))
291 __MAYBE_REDIR(void*, calloc
, (__SIZE_TYPE__
, __SIZE_TYPE__
))
292 __MAYBE_REDIR(void*, memalign
, (__SIZE_TYPE__
, __SIZE_TYPE__
))
293 __MAYBE_REDIR(void, free
, (void*))
294 #if defined __i386__ || defined __x86_64__
295 __BOTH(void*, alloca
, (__SIZE_TYPE__
))
297 __BUILTIN(void*, alloca
, (__SIZE_TYPE__
))
299 __BUILTIN(void, abort
, (void))
300 __BOUND(void, longjmp
, ())
302 __BOUND(void*, mmap
, ())
303 __BOUND(int, munmap
, ())
313 #define __BUILTIN_EXTERN(name,u) \
314 int __builtin_##name(u int); \
315 int __builtin_##name##l(u long); \
316 int __builtin_##name##ll(u long long);
318 __BUILTIN_EXTERN(ffs
,)
319 __BUILTIN_EXTERN(clz
, unsigned)
320 __BUILTIN_EXTERN(ctz
, unsigned)
321 __BUILTIN_EXTERN(clrsb
,)
322 __BUILTIN_EXTERN(popcount
, unsigned)
323 __BUILTIN_EXTERN(parity
, unsigned)
324 #undef __BUILTIN_EXTERN
327 #endif /* ndef __TCC_PP__ */