Zephyr API Documentation 4.0.0-rc2
A Scalable Open Source RTOS
Loading...
Searching...
No Matches
xcc_missing_defs.h
Go to the documentation of this file.
1/*
2 * Copyright (c) 2019 BayLibre SAS
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7/*
8 * Basic macro definitions that gcc and clang provide on their own
9 * but that xcc lacks. Only those that Zephyr requires are provided here.
10 */
11
12#ifndef ZEPHYR_INCLUDE_TOOLCHAIN_XCC_MISSING_DEFS_H_
13#define ZEPHYR_INCLUDE_TOOLCHAIN_XCC_MISSING_DEFS_H_
14
15#if __CHAR_BIT__ == 8
16#define __SCHAR_WIDTH__ 8
17#else
18#error "unexpected __CHAR_BIT__ value"
19#endif
20
21#if __SHRT_MAX__ == 32767
22#define __SHRT_WIDTH__ 16
23#define __SIZEOF_SHORT__ 2
24#else
25#error "unexpected __SHRT_WIDTH__ value"
26#endif
27
28#if __INT_MAX__ == 2147483647
29#define __INT_WIDTH__ 32
30#define __SIZEOF_INT__ 4
31#else
32#error "unexpected __INT_MAX__ value"
33#endif
34
35#if __LONG_MAX__ == 2147483647L
36#define __LONG_WIDTH__ 32
37#define __SIZEOF_LONG__ 4
38#else
39#error "unexpected __LONG_MAX__ value"
40#endif
41
42#if __LONG_LONG_MAX__ == 9223372036854775807LL
43#define __LONG_LONG_WIDTH__ 64
44#define __SIZEOF_LONG_LONG__ 8
45#else
46#error "unexpected __LONG_LONG_MAX__ value"
47#endif
48
49#if __INTMAX_MAX__ == 9223372036854775807LL
50#define __INTMAX_WIDTH__ 64
51#define __SIZEOF_INTMAX__ 8
52#define __UINTMAX_MAX__ 0xffffffffffffffffULL
53#define __UINTMAX_WIDTH__ 64
54#define __SIZEOF_UINTMAX__ 8
55#else
56#error "unexpected __INTMAX_MAX__ value"
57#endif
58
59/*
60 * No xcc provided definitions related to pointers, so let's just enforce
61 * the Zephyr expected type.
62 */
63
64#define __INTPTR_MAX__ 0x7fffffffL
65#define __INTPTR_TYPE__ long int
66#define __INTPTR_WIDTH__ 32
67#define __SIZEOF_POINTER__ 4
68
69#define __PTRDIFF_MAX__ 0x7fffffffL
70#define __PTRDIFF_WIDTH__ 32
71#define __SIZEOF_PTRDIFF_T__ 4
72
73#define __UINTPTR_MAX__ 0xffffffffLU
74#define __UINTPTR_TYPE__ long unsigned int
75
76/*
77 * xcc already defines __SIZE_TYPE__ as "unsigned int" but there is no way
78 * to safeguard that here with preprocessor equality.
79 */
80
81#define __SIZE_MAX__ 0xffffffffU
82#define __SIZE_WIDTH__ 32
83#define __SIZEOF_SIZE_T__ 4
84
85/*
86 * The following defines are inferred from the xcc provided defines
87 * already tested above.
88 */
89
90#define __INT8_MAX__ 0x7f
91#define __INT8_TYPE__ signed char
92
93#define __INT16_MAX__ 0x7fff
94#define __INT16_TYPE__ short int
95
96#define __INT32_MAX__ 0x7fffffff
97#define __INT32_TYPE__ int
98
99#define __INT64_MAX__ 0x7fffffffffffffffLL
100#define __INT64_TYPE__ long long int
101
102#define __INT_FAST8_MAX__ 0x7f
103#define __INT_FAST8_TYPE__ signed char
104#define __INT_FAST8_WIDTH__ 8
105
106#define __INT_FAST16_MAX__ 0x7fffffff
107#define __INT_FAST16_TYPE__ int
108#define __INT_FAST16_WIDTH__ 32
109
110#define __INT_FAST32_MAX__ 0x7fffffff
111#define __INT_FAST32_TYPE__ int
112#define __INT_FAST32_WIDTH__ 32
113
114#define __INT_FAST64_MAX__ 0x7fffffffffffffffLL
115#define __INT_FAST64_TYPE__ long long int
116#define __INT_FAST64_WIDTH__ 64
117
118#define __INT_LEAST8_MAX__ 0x7f
119#define __INT_LEAST8_TYPE__ signed char
120#define __INT_LEAST8_WIDTH__ 8
121
122#define __INT_LEAST16_MAX__ 0x7fff
123#define __INT_LEAST16_TYPE__ short int
124#define __INT_LEAST16_WIDTH__ 16
125
126#define __INT_LEAST32_MAX__ 0x7fffffff
127#define __INT_LEAST32_TYPE__ int
128#define __INT_LEAST32_WIDTH__ 32
129
130#define __INT_LEAST64_MAX__ 0x7fffffffffffffffLL
131#define __INT_LEAST64_TYPE__ long long int
132#define __INT_LEAST64_WIDTH__ 64
133
134#define __UINT8_MAX__ 0xffU
135#define __UINT8_TYPE__ unsigned char
136
137#define __UINT16_MAX__ 0xffffU
138#define __UINT16_TYPE__ short unsigned int
139
140#define __UINT32_MAX__ 0xffffffffU
141#define __UINT32_TYPE__ unsigned int
142
143#define __UINT64_MAX__ 0xffffffffffffffffULL
144#define __UINT64_TYPE__ long long unsigned int
145
146#define __UINT_FAST8_MAX__ 0xffU
147#define __UINT_FAST8_TYPE__ unsigned char
148
149#define __UINT_FAST16_MAX__ 0xffffffffU
150#define __UINT_FAST16_TYPE__ unsigned int
151
152#define __UINT_FAST32_MAX__ 0xffffffffU
153#define __UINT_FAST32_TYPE__ unsigned int
154
155#define __UINT_FAST64_MAX__ 0xffffffffffffffffULL
156#define __UINT_FAST64_TYPE__ long long unsigned int
157
158#define __UINT_LEAST8_MAX__ 0xffU
159#define __UINT_LEAST8_TYPE__ unsigned char
160
161#define __UINT_LEAST16_MAX__ 0xffffU
162#define __UINT_LEAST16_TYPE__ short unsigned int
163
164#define __UINT_LEAST32_MAX__ 0xffffffffU
165#define __UINT_LEAST32_TYPE__ unsigned int
166
167#define __UINT_LEAST64_MAX__ 0xffffffffffffffffULL
168#define __UINT_LEAST64_TYPE__ long long unsigned int
169
170#endif