Line data Source code
1 0 : /*
2 : * Copyright (c) 2021 Intel Corporation.
3 : *
4 : * SPDX-License-Identifier: Apache-2.0
5 : */
6 :
7 : #ifndef ZEPHYR_INCLUDE_TOOLCHAIN_LLVM_H_
8 : #define ZEPHYR_INCLUDE_TOOLCHAIN_LLVM_H_
9 :
10 : #ifndef ZEPHYR_INCLUDE_TOOLCHAIN_H_
11 : #error Please do not include toolchain-specific headers directly, use <zephyr/toolchain.h> instead
12 : #endif
13 :
14 : #define __no_optimization __attribute__((optnone))
15 :
16 : #ifndef __fallthrough
17 : #if __clang_major__ >= 10
18 : #define __fallthrough __attribute__((fallthrough))
19 : #endif
20 : #endif
21 :
22 0 : #define TOOLCHAIN_CLANG_VERSION \
23 : ((__clang_major__ * 10000) + (__clang_minor__ * 100) + \
24 : __clang_patchlevel__)
25 :
26 0 : #define TOOLCHAIN_HAS_PRAGMA_DIAG 1
27 :
28 : #if TOOLCHAIN_CLANG_VERSION >= 30800
29 : #define TOOLCHAIN_HAS_C_GENERIC 1
30 : #define TOOLCHAIN_HAS_C_AUTO_TYPE 1
31 : #endif
32 :
33 : #include <zephyr/toolchain/gcc.h>
34 :
35 : /* clear out common version. The build assert assert from gcc.h is defined to be empty */
36 : #undef BUILD_ASSERT
37 :
38 : #if defined(__cplusplus) && (__cplusplus >= 201103L)
39 :
40 : /* C++11 has static_assert built in */
41 : #define BUILD_ASSERT(EXPR, MSG...) static_assert(EXPR, "" MSG)
42 :
43 : #elif !defined(__cplusplus) && ((__STDC_VERSION__) >= 201100)
44 :
45 : /* C11 has static_assert built in */
46 : #define BUILD_ASSERT(EXPR, MSG...) _Static_assert((EXPR), "" MSG)
47 :
48 : #else
49 :
50 : /* Rely on that the C-library provides a static assertion function */
51 0 : #define BUILD_ASSERT(EXPR, MSG...) _Static_assert((EXPR), "" MSG)
52 :
53 : #endif
54 :
55 0 : #define TOOLCHAIN_WARNING_SIZEOF_ARRAY_DECAY "-Wsizeof-array-decay"
56 0 : #define TOOLCHAIN_WARNING_UNNEEDED_INTERNAL_DECLARATION "-Wunneeded-internal-declaration"
57 0 : #define TOOLCHAIN_WARNING_USED_BUT_MARKED_UNUSED "-Wused-but-marked-unused"
58 :
59 0 : #define TOOLCHAIN_DISABLE_CLANG_WARNING(warning) _TOOLCHAIN_DISABLE_WARNING(clang, warning)
60 0 : #define TOOLCHAIN_ENABLE_CLANG_WARNING(warning) _TOOLCHAIN_ENABLE_WARNING(clang, warning)
61 :
62 : /*
63 : * Provide these definitions only when minimal libc is used.
64 : * Avoid collision with defines from include/zephyr/toolchain/zephyr_stdint.h
65 : */
66 : #ifdef CONFIG_MINIMAL_LIBC
67 :
68 : /*
69 : * Predefined __INTN_C/__UINTN_C macros are provided by clang starting in version 20.1.
70 : * Avoid redefining these macros if a sufficiently modern clang is being used.
71 : */
72 : #if TOOLCHAIN_CLANG_VERSION < 200100
73 :
74 : #define __int_c(v, suffix) v ## suffix
75 : #define int_c(v, suffix) __int_c(v, suffix)
76 : #define uint_c(v, suffix) __int_c(v ## U, suffix)
77 :
78 : #ifndef CONFIG_ENFORCE_ZEPHYR_STDINT
79 :
80 : #ifdef __INT64_TYPE__
81 : #undef __int_least64_c_suffix__
82 : #undef __int_least32_c_suffix__
83 : #undef __int_least16_c_suffix__
84 : #undef __int_least8_c_suffix__
85 : #ifdef __INT64_C_SUFFIX__
86 : #define __int_least64_c_suffix__ __INT64_C_SUFFIX__
87 : #define __int_least32_c_suffix__ __INT64_C_SUFFIX__
88 : #define __int_least16_c_suffix__ __INT64_C_SUFFIX__
89 : #define __int_least8_c_suffix__ __INT64_C_SUFFIX__
90 : #endif /* __INT64_C_SUFFIX__ */
91 : #endif /* __INT64_TYPE__ */
92 :
93 : #ifdef __INT_LEAST64_TYPE__
94 : #ifdef __int_least64_c_suffix__
95 : #define __INT64_C(x) int_c(x, __int_least64_c_suffix__)
96 : #define __UINT64_C(x) uint_c(x, __int_least64_c_suffix__)
97 : #else
98 : #define __INT64_C(x) x
99 : #define __UINT64_C(x) x ## U
100 : #endif /* __int_least64_c_suffix__ */
101 : #endif /* __INT_LEAST64_TYPE__ */
102 :
103 : #ifdef __INT32_TYPE__
104 : #undef __int_least32_c_suffix__
105 : #undef __int_least16_c_suffix__
106 : #undef __int_least8_c_suffix__
107 : #ifdef __INT32_C_SUFFIX__
108 : #define __int_least32_c_suffix__ __INT32_C_SUFFIX__
109 : #define __int_least16_c_suffix__ __INT32_C_SUFFIX__
110 : #define __int_least8_c_suffix__ __INT32_C_SUFFIX__
111 : #endif /* __INT32_C_SUFFIX__ */
112 : #endif /* __INT32_TYPE__ */
113 :
114 : #ifdef __INT_LEAST32_TYPE__
115 : #ifdef __int_least32_c_suffix__
116 : #define __INT32_C(x) int_c(x, __int_least32_c_suffix__)
117 : #define __UINT32_C(x) uint_c(x, __int_least32_c_suffix__)
118 : #else
119 : #define __INT32_C(x) x
120 : #define __UINT32_C(x) x ## U
121 : #endif /* __int_least32_c_suffix__ */
122 : #endif /* __INT_LEAST32_TYPE__ */
123 :
124 : #endif /* !CONFIG_ENFORCE_ZEPHYR_STDINT */
125 :
126 : #ifdef __INT16_TYPE__
127 : #undef __int_least16_c_suffix__
128 : #undef __int_least8_c_suffix__
129 : #ifdef __INT16_C_SUFFIX__
130 : #define __int_least16_c_suffix__ __INT16_C_SUFFIX__
131 : #define __int_least8_c_suffix__ __INT16_C_SUFFIX__
132 : #endif /* __INT16_C_SUFFIX__ */
133 : #endif /* __INT16_TYPE__ */
134 :
135 : #ifdef __INT_LEAST16_TYPE__
136 : #ifdef __int_least16_c_suffix__
137 : #define __INT16_C(x) int_c(x, __int_least16_c_suffix__)
138 : #define __UINT16_C(x) uint_c(x, __int_least16_c_suffix__)
139 : #else
140 : #define __INT16_C(x) x
141 : #define __UINT16_C(x) x ## U
142 : #endif /* __int_least16_c_suffix__ */
143 : #endif /* __INT_LEAST16_TYPE__ */
144 :
145 : #ifdef __INT8_TYPE__
146 : #undef __int_least8_c_suffix__
147 : #ifdef __INT8_C_SUFFIX__
148 : #define __int_least8_c_suffix__ __INT8_C_SUFFIX__
149 : #endif /* __INT8_C_SUFFIX__ */
150 : #endif /* __INT8_TYPE__ */
151 :
152 : #ifdef __INT_LEAST8_TYPE__
153 : #ifdef __int_least8_c_suffix__
154 : #define __INT8_C(x) int_c(x, __int_least8_c_suffix__)
155 : #define __UINT8_C(x) uint_c(x, __int_least8_c_suffix__)
156 : #else
157 : #define __INT8_C(x) x
158 : #define __UINT8_C(x) x ## U
159 : #endif /* __int_least8_c_suffix__ */
160 : #endif /* __INT_LEAST8_TYPE__ */
161 :
162 : #define __INTMAX_C(x) int_c(x, __INTMAX_C_SUFFIX__)
163 : #define __UINTMAX_C(x) int_c(x, __UINTMAX_C_SUFFIX__)
164 :
165 : #endif /* TOOLCHAIN_CLANG_VERSION < 200100 */
166 :
167 : #endif /* CONFIG_MINIMAL_LIBC */
168 :
169 : #endif /* ZEPHYR_INCLUDE_TOOLCHAIN_LLVM_H_ */
|
