xref: /xnu-12377.41.6/bsd/arm/_types.h (revision bbb1b6f9e71b8cdde6e5cd6f4841f207dee3d828)
1 /*
2  * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
3  */
4 #ifndef _BSD_ARM__TYPES_H_
5 #define _BSD_ARM__TYPES_H_
6 
7 #if defined (__arm__) || defined (__arm64__)
8 
9 #if defined(KERNEL)
10 #ifdef XNU_KERNEL_PRIVATE
11 /*
12  * Xcode doesn't currently set up search paths correctly for Kernel extensions,
13  * so the clang headers are not seen in the correct order to use their types.
14  */
15 #endif
16 #define USE_CLANG_TYPES 0
17 #else
18 #if defined(__has_feature) && __has_feature(modules)
19 #define USE_CLANG_TYPES 1
20 #else
21 #define USE_CLANG_TYPES 0
22 #endif
23 #endif
24 
25 #if USE_CLANG_TYPES
26 #include <sys/_types/_ptrdiff_t.h>
27 #include <sys/_types/_size_t.h>
28 #include <sys/_types/_va_list.h>
29 #include <sys/_types/_wchar_t.h>
30 #endif
31 
32 /*
33  * This header file contains integer types.  It's intended to also contain
34  * flotaing point and other arithmetic types, as needed, later.
35  */
36 
37 #ifdef __GNUC__
38 typedef __signed char           __int8_t;
39 #else   /* !__GNUC__ */
40 typedef char                    __int8_t;
41 #endif  /* !__GNUC__ */
42 typedef unsigned char           __uint8_t;
43 typedef short                   __int16_t;
44 typedef unsigned short          __uint16_t;
45 typedef int                     __int32_t;
46 typedef unsigned int            __uint32_t;
47 typedef long long               __int64_t;
48 typedef unsigned long long      __uint64_t;
49 
50 typedef long                    __darwin_intptr_t;
51 typedef unsigned int            __darwin_natural_t;
52 
53 /*
54  * The rune type below is declared to be an ``int'' instead of the more natural
55  * ``unsigned long'' or ``long''.  Two things are happening here.  It is not
56  * unsigned so that EOF (-1) can be naturally assigned to it and used.  Also,
57  * it looks like 10646 will be a 31 bit standard.  This means that if your
58  * ints cannot hold 32 bits, you will be in trouble.  The reason an int was
59  * chosen over a long is that the is*() and to*() routines take ints (says
60  * ANSI C), but they use __darwin_ct_rune_t instead of int.  By changing it
61  * here, you lose a bit of ANSI conformance, but your programs will still
62  * work.
63  *
64  * NOTE: rune_t is not covered by ANSI nor other standards, and should not
65  * be instantiated outside of lib/libc/locale.  Use wchar_t.  wchar_t and
66  * rune_t must be the same type.  Also wint_t must be no narrower than
67  * wchar_t, and should also be able to hold all members of the largest
68  * character set plus one extra value (WEOF). wint_t must be at least 16 bits.
69  */
70 
71 typedef int                     __darwin_ct_rune_t;     /* ct_rune_t */
72 
73 /*
74  * mbstate_t is an opaque object to keep conversion state, during multibyte
75  * stream conversions.  The content must not be referenced by user programs.
76  */
77 typedef union {
78 	char            __mbstate8[128];
79 	long long       _mbstateL;                      /* for alignment */
80 } __mbstate_t;
81 
82 typedef __mbstate_t             __darwin_mbstate_t;     /* mbstate_t */
83 
84 #if USE_CLANG_TYPES
85 typedef ptrdiff_t               __darwin_ptrdiff_t;     /* ptr1 - ptr2 */
86 #elif defined(__PTRDIFF_TYPE__)
87 typedef __PTRDIFF_TYPE__        __darwin_ptrdiff_t;     /* ptr1 - ptr2 */
88 #elif defined(__LP64__)
89 typedef long                    __darwin_ptrdiff_t;     /* ptr1 - ptr2 */
90 #else
91 typedef int                     __darwin_ptrdiff_t;     /* ptr1 - ptr2 */
92 #endif /* __GNUC__ */
93 
94 #if USE_CLANG_TYPES
95 typedef size_t                  __darwin_size_t;        /* sizeof() */
96 #elif defined(__SIZE_TYPE__)
97 typedef __SIZE_TYPE__           __darwin_size_t;        /* sizeof() */
98 #else
99 typedef unsigned long           __darwin_size_t;        /* sizeof() */
100 #endif
101 
102 #if USE_CLANG_TYPES
103 typedef va_list                 __darwin_va_list;       /* va_list */
104 #elif (__GNUC__ > 2)
105 typedef __builtin_va_list       __darwin_va_list;       /* va_list */
106 #else
107 typedef void *                  __darwin_va_list;       /* va_list */
108 #endif
109 
110 #if USE_CLANG_TYPES
111 typedef wchar_t                 __darwin_wchar_t;       /* wchar_t */
112 #elif defined(__WCHAR_TYPE__)
113 typedef __WCHAR_TYPE__          __darwin_wchar_t;       /* wchar_t */
114 #else
115 typedef __darwin_ct_rune_t      __darwin_wchar_t;       /* wchar_t */
116 #endif
117 
118 typedef __darwin_wchar_t        __darwin_rune_t;        /* rune_t */
119 
120 #if defined(__WINT_TYPE__)
121 typedef __WINT_TYPE__           __darwin_wint_t;        /* wint_t */
122 #else
123 typedef __darwin_ct_rune_t      __darwin_wint_t;        /* wint_t */
124 #endif
125 
126 typedef unsigned long           __darwin_clock_t;       /* clock() */
127 typedef __uint32_t              __darwin_socklen_t;     /* socklen_t (duh) */
128 typedef long                    __darwin_ssize_t;       /* byte count or error */
129 typedef long                    __darwin_time_t;        /* time() */
130 
131 #undef USE_CLANG_TYPES
132 
133 #endif /* defined (__arm__) || defined (__arm64__) */
134 
135 #endif  /* _BSD_ARM__TYPES_H_ */
136