/* tccdefs.h Nothing is defined before this file except target machine, target os and the few things related to option settings in tccpp.c:tcc_predefs(). This file is either included at runtime as is, or converted and included as C-strings at compile-time (depending on CONFIG_TCC_PREDEFS). Note that line indent matters: - in lines starting at column 1, platform macros are replaced by corresponding TCC target compile-time macros. See conftest.c for the list of platform macros supported in lines starting at column 1. - only lines indented >= 4 are actually included into the executable, check tccdefs_.h.*/ #if __SIZEOF_POINTER__ == 4 /* 32bit systems. */#if defined __OpenBSD__ #define __SIZE_TYPE__ unsigned long #define __PTRDIFF_TYPE__ long#else #define __SIZE_TYPE__ unsigned int #define __PTRDIFF_TYPE__ int#endif #define __ILP32__ 1 #define __INT64_TYPE__ long long#elif __SIZEOF_LONG__ == 4 /* 64bit Windows. */ #define __SIZE_TYPE__ unsigned long long #define __PTRDIFF_TYPE__ long long #define __LLP64__ 1 #define __INT64_TYPE__ long long#else /* Other 64bit systems. */ #define __SIZE_TYPE__ unsigned long #define __PTRDIFF_TYPE__ long #define __LP64__ 1# if defined __linux__ #define __INT64_TYPE__ long# else /* APPLE, BSD */ #define __INT64_TYPE__ long long# endif#endif #define __SIZEOF_INT__ 4 #define __INT_MAX__ 0x7fffffff#if __SIZEOF_LONG__ == 4 #define __LONG_MAX__ 0x7fffffffL#else #define __LONG_MAX__ 0x7fffffffffffffffL#endif #define __SIZEOF_LONG_LONG__ 8 #define __LONG_LONG_MAX__ 0x7fffffffffffffffLL #define __CHAR_BIT__ 8 #define __ORDER_LITTLE_ENDIAN__ 1234 #define __ORDER_BIG_ENDIAN__ 4321 #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__#if defined _WIN32 #define __WCHAR_TYPE__ unsigned short #define __WINT_TYPE__ unsigned short#elif defined __linux__ #define __WCHAR_TYPE__ int #define __WINT_TYPE__ unsigned int#else #define __WCHAR_TYPE__ int #define __WINT_TYPE__ int#endif #if __STDC_VERSION__ >= 201112L # define __STDC_NO_ATOMICS__ 1 # define __STDC_NO_COMPLEX__ 1 # define __STDC_NO_THREADS__ 1#if !defined _WIN32 # define __STDC_UTF_16__ 1 # define __STDC_UTF_32__ 1#endif #endif #if defined _WIN32 #define __declspec(x) __attribute__((x)) #define __cdecl #elif defined __FreeBSD__ #define __GNUC__ 9 #define __GNUC_MINOR__ 3 #define __GNUC_PATCHLEVEL__ 0 #define __GNUC_STDC_INLINE__ 1 #define __NO_TLS 1 #define __RUNETYPE_INTERNAL 1# if __SIZEOF_POINTER__ == 8 /* FIXME, __int128_t is used by setjump */ #define __int128_t struct { unsigned char _dummy[16] __attribute((aligned(16))); } #define __SIZEOF_SIZE_T__ 8 #define __SIZEOF_PTRDIFF_T__ 8#else #define __SIZEOF_SIZE_T__ 4 #define __SIZEOF_PTRDIFF_T__ 4# endif #elif defined __FreeBSD_kernel__ #elif defined __NetBSD__ #define __GNUC__ 4 #define __GNUC_MINOR__ 1 #define __GNUC_PATCHLEVEL__ 0 #define _Pragma(x) #define __ELF__ 1#if defined __aarch64__ #define _LOCORE /* avoids usage of __asm */#endif #elif defined __OpenBSD__ #define __GNUC__ 4 #define _ANSI_LIBRARY 1 #elif defined __APPLE__ /* emulate APPLE-GCC to make libc's headerfiles compile: */ #define __GNUC__ 4 /* darwin emits warning on GCC<4 */ #define __APPLE_CC__ 1 /* for <TargetConditionals.h> */ #define __LITTLE_ENDIAN__ 1 #define _DONT_USE_CTYPE_INLINE_ 1 /* avoids usage of GCC/clang specific builtins in libc-headerfiles: */ #define __FINITE_MATH_ONLY__ 1 #define _FORTIFY_SOURCE 0 //#define __has_builtin(x) 0 #define _Float16 short unsigned int /* fake type just for size & alignment (macOS Sequoia) */ #elif defined __ANDROID__ #define BIONIC_IOCTL_NO_SIGNEDNESS_OVERLOAD #else /* Linux */ #endif /* Some derived integer types needed to get stdint.h to compile correctly on some platforms */#ifndef __NetBSD__ #define __UINTPTR_TYPE__ unsigned __PTRDIFF_TYPE__ #define __INTPTR_TYPE__ __PTRDIFF_TYPE__#endif #define __INT32_TYPE__ int #if defined __aarch64__ /* GCC's __uint128_t appears in some Linux/OSX header files. Make it a synonym for long double to get the size and alignment right. */ #define __uint128_t long double#endif #if !defined _WIN32 /* glibc defines. We do not support __USER_NAME_PREFIX__ */ #define __REDIRECT(name, proto, alias) name proto __asm__ (#alias) #define __REDIRECT_NTH(name, proto, alias) name proto __asm__ (#alias) __THROW #define __REDIRECT_NTHNL(name, proto, alias) name proto __asm__ (#alias) __THROWNL#endif /* not implemented */ #define __PRETTY_FUNCTION__ __FUNCTION__ #define __has_builtin(x) 0 #define __has_feature(x) 0 #define __has_attribute(x) 0 /* C23 Keywords */ #define _Nonnull #define _Nullable #define _Nullable_result #define _Null_unspecified /* skip __builtin... with -E */ #ifndef __TCC_PP__ #define __builtin_offsetof(type, field) ((__SIZE_TYPE__)&((type*)0)->field) #define __builtin_extract_return_addr(x) x#if !defined __linux__ && !defined _WIN32 /* used by math.h */ #define __builtin_huge_val() 1e500 #define __builtin_huge_valf() 1e50f #define __builtin_huge_vall() 1e5000L# if defined __APPLE__ #define __builtin_nanf(ignored_string) (0.0F/0.0F) /* used by floats.h to implement FLT_ROUNDS C99 macro. 1 == to nearest */ #define __builtin_flt_rounds() 1 /* used by _fd_def.h */ #define __builtin_bzero(p, ignored_size) bzero(p, sizeof(*(p)))# else #define __builtin_nanf(ignored_string) (0.0F/0.0F)# endif#endif /* __builtin_va_list */#if defined __x86_64__#if !defined _WIN32 /* GCC compatible definition of va_list. */ enum __va_arg_type { __va_gen_reg, __va_float_reg, __va_stack }; typedef struct { unsigned gp_offset, fp_offset; union { unsigned overflow_offset; char *overflow_arg_area; }; char *reg_save_area; } __builtin_va_list[1]; static inline void *__va_arg(__builtin_va_list ap, int arg_type, int size, int align) { size = (size + 7) & ~7; align = (align + 7) & ~7; switch ((enum __va_arg_type)arg_type) { case __va_gen_reg: if (ap->gp_offset + size <= 48) { ap->gp_offset += size; return ap->reg_save_area + ap->gp_offset - size; } goto use_overflow_area; case __va_float_reg: if (ap->fp_offset < 128 + 48) { ap->fp_offset += 16; if (size == 8) return ap->reg_save_area + ap->fp_offset - 16; if (ap->fp_offset < 128 + 48) { double *p = (double *)(ap->reg_save_area + ap->fp_offset); p[-1] = p[0]; ap->fp_offset += 16; return ap->reg_save_area + ap->fp_offset - 32; } } goto use_overflow_area; case __va_stack: use_overflow_area: ap->overflow_arg_area += size; ap->overflow_arg_area = (char*)((long long)(ap->overflow_arg_area + align - 1) & -align); return ap->overflow_arg_area - size; default: /* should never happen */ char *a = (char *)0; *a = 0; // abort return 0; } } #define __builtin_va_start(ap, last) \ (*(ap) = *(__builtin_va_list)((char*)__builtin_frame_address(0) - 24)) #define __builtin_va_arg(ap, t) \ (*(t *)(__va_arg(ap, __builtin_va_arg_types(t), sizeof(t), __alignof__(t)))) #define __builtin_va_copy(dest, src) (*(dest) = *(src)) #else /* _WIN64 */ typedef char *__builtin_va_list; #define __builtin_va_arg(ap, t) ((sizeof(t) > 8 || (sizeof(t) & (sizeof(t) - 1))) \ ? **(t **)((ap += 8) - 8) : *(t *)((ap += 8) - 8))#endif #elif defined __arm__ typedef char *__builtin_va_list; #define _tcc_alignof(type) ((int)&((struct {char c;type x;} *)0)->x) #define _tcc_align(addr,type) (((unsigned)addr + _tcc_alignof(type) - 1) \ & ~(_tcc_alignof(type) - 1)) #define __builtin_va_start(ap,last) (ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)) #define __builtin_va_arg(ap,type) (ap = (void *) ((_tcc_align(ap,type)+sizeof(type)+3) \ &~3), *(type *)(ap - ((sizeof(type)+3)&~3))) #elif defined __aarch64__#if defined __APPLE__ typedef struct { void *__stack; } __builtin_va_list; #else typedef struct { void *__stack, *__gr_top, *__vr_top; int __gr_offs, __vr_offs; } __builtin_va_list; #endif#elif defined __riscv typedef char *__builtin_va_list; #define __va_reg_size (__riscv_xlen >> 3) #define _tcc_align(addr,type) (((unsigned long)addr + __alignof__(type) - 1) \ & -(__alignof__(type))) #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))))) #else /* __i386__ */ typedef char *__builtin_va_list; #define __builtin_va_start(ap,last) (ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)) #define __builtin_va_arg(ap,t) (*(t*)((ap+=(sizeof(t)+3)&~3)-((sizeof(t)+3)&~3))) #endif #define __builtin_va_end(ap) (void)(ap) #ifndef __builtin_va_copy # define __builtin_va_copy(dest, src) (dest) = (src) #endif /* TCC BBUILTIN AND BOUNDS ALIASES */ #ifdef __leading_underscore # define __RENAME(X) __asm__("_"X) #else # define __RENAME(X) __asm__(X) #endif #ifdef __TCC_BCHECK__ # define __BUILTINBC(ret,name,params) ret __builtin_##name params __RENAME("__bound_"#name); # define __BOUND(ret,name,params) ret name params __RENAME("__bound_"#name); #else # define __BUILTINBC(ret,name,params) ret __builtin_##name params __RENAME(#name); # define __BOUND(ret,name,params) #endif#ifdef _WIN32 #define __BOTH __BOUND #define __BUILTIN(ret,name,params)#else #define __BOTH(ret,name,params) __BUILTINBC(ret,name,params)__BOUND(ret,name,params) #define __BUILTIN(ret,name,params) ret __builtin_##name params __RENAME(#name);#endif __BOTH(void*, memcpy, (void *, const void*, __SIZE_TYPE__)) __BOTH(void*, memmove, (void *, const void*, __SIZE_TYPE__)) __BOTH(void*, memset, (void *, int, __SIZE_TYPE__)) __BOTH(int, memcmp, (const void *, const void*, __SIZE_TYPE__)) __BOTH(__SIZE_TYPE__, strlen, (const char *)) __BOTH(char*, strcpy, (char *, const char *)) __BOTH(char*, strncpy, (char *, const char*, __SIZE_TYPE__)) __BOTH(int, strcmp, (const char*, const char*)) __BOTH(int, strncmp, (const char*, const char*, __SIZE_TYPE__)) __BOTH(char*, strcat, (char*, const char*)) __BOTH(char*, strncat, (char*, const char*, __SIZE_TYPE__)) __BOTH(char*, strchr, (const char*, int)) __BOTH(char*, strrchr, (const char*, int)) __BOTH(char*, strdup, (const char*))#if defined __ARM_EABI__ __BOUND(void*,__aeabi_memcpy,(void*,const void*,__SIZE_TYPE__)) __BOUND(void*,__aeabi_memmove,(void*,const void*,__SIZE_TYPE__)) __BOUND(void*,__aeabi_memmove4,(void*,const void*,__SIZE_TYPE__)) __BOUND(void*,__aeabi_memmove8,(void*,const void*,__SIZE_TYPE__)) __BOUND(void*,__aeabi_memset,(void*,int,__SIZE_TYPE__))#endif #if defined __linux__ || defined __APPLE__ // HAVE MALLOC_REDIR #define __MAYBE_REDIR __BUILTIN#else #define __MAYBE_REDIR __BOTH#endif __MAYBE_REDIR(void*, malloc, (__SIZE_TYPE__)) __MAYBE_REDIR(void*, realloc, (void *, __SIZE_TYPE__)) __MAYBE_REDIR(void*, calloc, (__SIZE_TYPE__, __SIZE_TYPE__)) __MAYBE_REDIR(void*, memalign, (__SIZE_TYPE__, __SIZE_TYPE__)) __MAYBE_REDIR(void, free, (void*))#if defined __i386__ || defined __x86_64__ __BOTH(void*, alloca, (__SIZE_TYPE__)) void *alloca(__SIZE_TYPE__);#else __BUILTIN(void*, alloca, (__SIZE_TYPE__))#endif __BUILTIN(void, abort, (void)) __BOUND(void, longjmp, ())#if !defined _WIN32 __BOUND(void*, mmap, ()) __BOUND(int, munmap, ())#endif #undef __BUILTINBC #undef __BUILTIN #undef __BOUND #undef __BOTH #undef __MAYBE_REDIR #undef __RENAME #define __BUILTIN_EXTERN(name,u) \ int __builtin_##name(u int); \ int __builtin_##name##l(u long); \ int __builtin_##name##ll(u long long); __BUILTIN_EXTERN(ffs,) __BUILTIN_EXTERN(clz, unsigned) __BUILTIN_EXTERN(ctz, unsigned) __BUILTIN_EXTERN(clrsb,) __BUILTIN_EXTERN(popcount, unsigned) __BUILTIN_EXTERN(parity, unsigned) #undef __BUILTIN_EXTERN #endif /* ndef __TCC_PP__ */
/* tccdefs.h
Nothing is defined before this file except target machine, target os
and the few things related to option settings in tccpp.c:tcc_predefs().
This file is either included at runtime as is, or converted and
included as C-strings at compile-time (depending on CONFIG_TCC_PREDEFS).
Note that line indent matters:
- in lines starting at column 1, platform macros are replaced by
corresponding TCC target compile-time macros. See conftest.c for
the list of platform macros supported in lines starting at column 1.
- only lines indented >= 4 are actually included into the executable,
check tccdefs_.h.
*/
#if __SIZEOF_POINTER__ == 4
/* 32bit systems. */
#if defined __OpenBSD__
#define __SIZE_TYPE__ unsigned long
#define __PTRDIFF_TYPE__ long
#else
#define __SIZE_TYPE__ unsigned int
#define __PTRDIFF_TYPE__ int
#endif
#define __ILP32__ 1
#define __INT64_TYPE__ long long
#elif __SIZEOF_LONG__ == 4
/* 64bit Windows. */
#define __SIZE_TYPE__ unsigned long long
#define __PTRDIFF_TYPE__ long long
#define __LLP64__ 1
#define __INT64_TYPE__ long long
#else
/* Other 64bit systems. */
#define __SIZE_TYPE__ unsigned long
#define __PTRDIFF_TYPE__ long
#define __LP64__ 1
# if defined __linux__
#define __INT64_TYPE__ long
# else /* APPLE, BSD */
#define __INT64_TYPE__ long long
# endif
#endif
#define __SIZEOF_INT__ 4
#define __INT_MAX__ 0x7fffffff
#if __SIZEOF_LONG__ == 4
#define __LONG_MAX__ 0x7fffffffL
#else
#define __LONG_MAX__ 0x7fffffffffffffffL
#endif
#define __SIZEOF_LONG_LONG__ 8
#define __LONG_LONG_MAX__ 0x7fffffffffffffffLL
#define __CHAR_BIT__ 8
#define __ORDER_LITTLE_ENDIAN__ 1234
#define __ORDER_BIG_ENDIAN__ 4321
#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
#if defined _WIN32
#define __WCHAR_TYPE__ unsigned short
#define __WINT_TYPE__ unsigned short
#elif defined __linux__
#define __WCHAR_TYPE__ int
#define __WINT_TYPE__ unsigned int
#else
#define __WCHAR_TYPE__ int
#define __WINT_TYPE__ int
#endif
#if __STDC_VERSION__ >= 201112L
# define __STDC_NO_ATOMICS__ 1
# define __STDC_NO_COMPLEX__ 1
# define __STDC_NO_THREADS__ 1
#if !defined _WIN32
# define __STDC_UTF_16__ 1
# define __STDC_UTF_32__ 1
#endif
#endif
#if defined _WIN32
#define __declspec(x) __attribute__((x))
#define __cdecl
#elif defined __FreeBSD__
#define __GNUC__ 9
#define __GNUC_MINOR__ 3
#define __GNUC_PATCHLEVEL__ 0
#define __GNUC_STDC_INLINE__ 1
#define __NO_TLS 1
#define __RUNETYPE_INTERNAL 1
# if __SIZEOF_POINTER__ == 8
/* FIXME, __int128_t is used by setjump */
#define __int128_t struct { unsigned char _dummy[16] __attribute((aligned(16))); }
#define __SIZEOF_SIZE_T__ 8
#define __SIZEOF_PTRDIFF_T__ 8
#else
#define __SIZEOF_SIZE_T__ 4
#define __SIZEOF_PTRDIFF_T__ 4
# endif
#elif defined __FreeBSD_kernel__
#elif defined __NetBSD__
#define __GNUC__ 4
#define __GNUC_MINOR__ 1
#define __GNUC_PATCHLEVEL__ 0
#define _Pragma(x)
#define __ELF__ 1
#if defined __aarch64__
#define _LOCORE /* avoids usage of __asm */
#endif
#elif defined __OpenBSD__
#define __GNUC__ 4
#define _ANSI_LIBRARY 1
#elif defined __APPLE__
/* emulate APPLE-GCC to make libc's headerfiles compile: */
#define __GNUC__ 4 /* darwin emits warning on GCC<4 */
#define __APPLE_CC__ 1 /* for <TargetConditionals.h> */
#define __LITTLE_ENDIAN__ 1
#define _DONT_USE_CTYPE_INLINE_ 1
/* avoids usage of GCC/clang specific builtins in libc-headerfiles: */
#define __FINITE_MATH_ONLY__ 1
#define _FORTIFY_SOURCE 0
//#define __has_builtin(x) 0
#define _Float16 short unsigned int /* fake type just for size & alignment (macOS Sequoia) */
#elif defined __ANDROID__
#define BIONIC_IOCTL_NO_SIGNEDNESS_OVERLOAD
#else
/* Linux */
#endif
/* Some derived integer types needed to get stdint.h to compile correctly on some platforms */
#ifndef __NetBSD__
#define __UINTPTR_TYPE__ unsigned __PTRDIFF_TYPE__
#define __INTPTR_TYPE__ __PTRDIFF_TYPE__
#endif
#define __INT32_TYPE__ int
#if defined __aarch64__
/* GCC's __uint128_t appears in some Linux/OSX header files. Make it a
synonym for long double to get the size and alignment right. */
#define __uint128_t long double
#endif
#if !defined _WIN32
/* glibc defines. We do not support __USER_NAME_PREFIX__ */
#define __REDIRECT(name, proto, alias) name proto __asm__ (#alias)
#define __REDIRECT_NTH(name, proto, alias) name proto __asm__ (#alias) __THROW
#define __REDIRECT_NTHNL(name, proto, alias) name proto __asm__ (#alias) __THROWNL
#endif
/* not implemented */
#define __PRETTY_FUNCTION__ __FUNCTION__
#define __has_builtin(x) 0
#define __has_feature(x) 0
#define __has_attribute(x) 0
/* C23 Keywords */
#define _Nonnull
#define _Nullable
#define _Nullable_result
#define _Null_unspecified
/* skip __builtin... with -E */
#ifndef __TCC_PP__
#define __builtin_offsetof(type, field) ((__SIZE_TYPE__)&((type*)0)->field)
#define __builtin_extract_return_addr(x) x
#if !defined __linux__ && !defined _WIN32
/* used by math.h */
#define __builtin_huge_val() 1e500
#define __builtin_huge_valf() 1e50f
#define __builtin_huge_vall() 1e5000L
# if defined __APPLE__
#define __builtin_nanf(ignored_string) (0.0F/0.0F)
/* used by floats.h to implement FLT_ROUNDS C99 macro. 1 == to nearest */
#define __builtin_flt_rounds() 1
/* used by _fd_def.h */
#define __builtin_bzero(p, ignored_size) bzero(p, sizeof(*(p)))
# else
#define __builtin_nanf(ignored_string) (0.0F/0.0F)
# endif
#endif
/* __builtin_va_list */
#if defined __x86_64__
#if !defined _WIN32
/* GCC compatible definition of va_list. */
enum __va_arg_type {
__va_gen_reg, __va_float_reg, __va_stack
};
typedef struct {
unsigned gp_offset, fp_offset;
union {
unsigned overflow_offset;
char *overflow_arg_area;
};
char *reg_save_area;
} __builtin_va_list[1];
static inline void *__va_arg(__builtin_va_list ap, int arg_type,
int size, int align)
{
size = (size + 7) & ~7;
align = (align + 7) & ~7;
switch ((enum __va_arg_type)arg_type) {
case __va_gen_reg:
if (ap->gp_offset + size <= 48) {
ap->gp_offset += size;
return ap->reg_save_area + ap->gp_offset - size;
}
goto use_overflow_area;
case __va_float_reg:
if (ap->fp_offset < 128 + 48) {
ap->fp_offset += 16;
if (size == 8)
return ap->reg_save_area + ap->fp_offset - 16;
if (ap->fp_offset < 128 + 48) {
double *p = (double *)(ap->reg_save_area + ap->fp_offset);
p[-1] = p[0];
ap->fp_offset += 16;
return ap->reg_save_area + ap->fp_offset - 32;
}
}
goto use_overflow_area;
case __va_stack:
use_overflow_area:
ap->overflow_arg_area += size;
ap->overflow_arg_area =
(char*)((long long)(ap->overflow_arg_area + align - 1) & -align);
return ap->overflow_arg_area - size;
default: /* should never happen */
char *a = (char *)0; *a = 0; // abort
return 0;
}
}
#define __builtin_va_start(ap, last) \
(*(ap) = *(__builtin_va_list)((char*)__builtin_frame_address(0) - 24))
#define __builtin_va_arg(ap, t) \
(*(t *)(__va_arg(ap, __builtin_va_arg_types(t), sizeof(t), __alignof__(t))))
#define __builtin_va_copy(dest, src) (*(dest) = *(src))
#else /* _WIN64 */
typedef char *__builtin_va_list;
#define __builtin_va_arg(ap, t) ((sizeof(t) > 8 || (sizeof(t) & (sizeof(t) - 1))) \
? **(t **)((ap += 8) - 8) : *(t *)((ap += 8) - 8))
#endif
#elif defined __arm__
typedef char *__builtin_va_list;
#define _tcc_alignof(type) ((int)&((struct {char c;type x;} *)0)->x)
#define _tcc_align(addr,type) (((unsigned)addr + _tcc_alignof(type) - 1) \
& ~(_tcc_alignof(type) - 1))
#define __builtin_va_start(ap,last) (ap = ((char *)&(last)) + ((sizeof(last)+3)&~3))
#define __builtin_va_arg(ap,type) (ap = (void *) ((_tcc_align(ap,type)+sizeof(type)+3) \
&~3), *(type *)(ap - ((sizeof(type)+3)&~3)))
#elif defined __aarch64__
#if defined __APPLE__
typedef struct {
void *__stack;
} __builtin_va_list;
#else
typedef struct {
void *__stack, *__gr_top, *__vr_top;
int __gr_offs, __vr_offs;
} __builtin_va_list;
#endif
#elif defined __riscv
typedef char *__builtin_va_list;
#define __va_reg_size (__riscv_xlen >> 3)
#define _tcc_align(addr,type) (((unsigned long)addr + __alignof__(type) - 1) \
& -(__alignof__(type)))
#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)))))
#else /* __i386__ */
typedef char *__builtin_va_list;
#define __builtin_va_start(ap,last) (ap = ((char *)&(last)) + ((sizeof(last)+3)&~3))
#define __builtin_va_arg(ap,t) (*(t*)((ap+=(sizeof(t)+3)&~3)-((sizeof(t)+3)&~3)))
#endif
#define __builtin_va_end(ap) (void)(ap)
#ifndef __builtin_va_copy
# define __builtin_va_copy(dest, src) (dest) = (src)
#endif
/* TCC BBUILTIN AND BOUNDS ALIASES */
#ifdef __leading_underscore
# define __RENAME(X) __asm__("_"X)
#else
# define __RENAME(X) __asm__(X)
#endif
#ifdef __TCC_BCHECK__
# define __BUILTINBC(ret,name,params) ret __builtin_##name params __RENAME("__bound_"#name);
# define __BOUND(ret,name,params) ret name params __RENAME("__bound_"#name);
#else
# define __BUILTINBC(ret,name,params) ret __builtin_##name params __RENAME(#name);
# define __BOUND(ret,name,params)
#endif
#ifdef _WIN32
#define __BOTH __BOUND
#define __BUILTIN(ret,name,params)
#else
#define __BOTH(ret,name,params) __BUILTINBC(ret,name,params)__BOUND(ret,name,params)
#define __BUILTIN(ret,name,params) ret __builtin_##name params __RENAME(#name);
#endif
__BOTH(void*, memcpy, (void *, const void*, __SIZE_TYPE__))
__BOTH(void*, memmove, (void *, const void*, __SIZE_TYPE__))
__BOTH(void*, memset, (void *, int, __SIZE_TYPE__))
__BOTH(int, memcmp, (const void *, const void*, __SIZE_TYPE__))
__BOTH(__SIZE_TYPE__, strlen, (const char *))
__BOTH(char*, strcpy, (char *, const char *))
__BOTH(char*, strncpy, (char *, const char*, __SIZE_TYPE__))
__BOTH(int, strcmp, (const char*, const char*))
__BOTH(int, strncmp, (const char*, const char*, __SIZE_TYPE__))
__BOTH(char*, strcat, (char*, const char*))
__BOTH(char*, strncat, (char*, const char*, __SIZE_TYPE__))
__BOTH(char*, strchr, (const char*, int))
__BOTH(char*, strrchr, (const char*, int))
__BOTH(char*, strdup, (const char*))
#if defined __ARM_EABI__
__BOUND(void*,__aeabi_memcpy,(void*,const void*,__SIZE_TYPE__))
__BOUND(void*,__aeabi_memmove,(void*,const void*,__SIZE_TYPE__))
__BOUND(void*,__aeabi_memmove4,(void*,const void*,__SIZE_TYPE__))
__BOUND(void*,__aeabi_memmove8,(void*,const void*,__SIZE_TYPE__))
__BOUND(void*,__aeabi_memset,(void*,int,__SIZE_TYPE__))
#endif
#if defined __linux__ || defined __APPLE__ // HAVE MALLOC_REDIR
#define __MAYBE_REDIR __BUILTIN
#else
#define __MAYBE_REDIR __BOTH
#endif
__MAYBE_REDIR(void*, malloc, (__SIZE_TYPE__))
__MAYBE_REDIR(void*, realloc, (void *, __SIZE_TYPE__))
__MAYBE_REDIR(void*, calloc, (__SIZE_TYPE__, __SIZE_TYPE__))
__MAYBE_REDIR(void*, memalign, (__SIZE_TYPE__, __SIZE_TYPE__))
__MAYBE_REDIR(void, free, (void*))
#if defined __i386__ || defined __x86_64__
__BOTH(void*, alloca, (__SIZE_TYPE__))
void *alloca(__SIZE_TYPE__);
#else
__BUILTIN(void*, alloca, (__SIZE_TYPE__))
#endif
__BUILTIN(void, abort, (void))
__BOUND(void, longjmp, ())
#if !defined _WIN32
__BOUND(void*, mmap, ())
__BOUND(int, munmap, ())
#endif
#undef __BUILTINBC
#undef __BUILTIN
#undef __BOUND
#undef __BOTH
#undef __MAYBE_REDIR
#undef __RENAME
#define __BUILTIN_EXTERN(name,u) \
int __builtin_##name(u int); \
int __builtin_##name##l(u long); \
int __builtin_##name##ll(u long long);
__BUILTIN_EXTERN(ffs,)
__BUILTIN_EXTERN(clz, unsigned)
__BUILTIN_EXTERN(ctz, unsigned)
__BUILTIN_EXTERN(clrsb,)
__BUILTIN_EXTERN(popcount, unsigned)
__BUILTIN_EXTERN(parity, unsigned)
#undef __BUILTIN_EXTERN
#endif /* ndef __TCC_PP__ */