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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 :
58 0 : #define TOOLCHAIN_DISABLE_CLANG_WARNING(warning) _TOOLCHAIN_DISABLE_WARNING(clang, warning)
59 0 : #define TOOLCHAIN_ENABLE_CLANG_WARNING(warning) _TOOLCHAIN_ENABLE_WARNING(clang, warning)
60 :
61 : /*
62 : * Provide these definitions only when minimal libc is used.
63 : * Avoid collision with defines from include/zephyr/toolchain/zephyr_stdint.h
64 : */
65 : #ifdef CONFIG_MINIMAL_LIBC
66 :
67 : /*
68 : * Predefined __INTN_C/__UINTN_C macros are provided by clang starting in version 20.1.
69 : * Avoid redefining these macros if a sufficiently modern clang is being used.
70 : */
71 : #if TOOLCHAIN_CLANG_VERSION < 200100
72 :
73 : #define __int_c(v, suffix) v ## suffix
74 : #define int_c(v, suffix) __int_c(v, suffix)
75 : #define uint_c(v, suffix) __int_c(v ## U, suffix)
76 :
77 : #ifndef CONFIG_ENFORCE_ZEPHYR_STDINT
78 :
79 : #ifdef __INT64_TYPE__
80 : #undef __int_least64_c_suffix__
81 : #undef __int_least32_c_suffix__
82 : #undef __int_least16_c_suffix__
83 : #undef __int_least8_c_suffix__
84 : #ifdef __INT64_C_SUFFIX__
85 : #define __int_least64_c_suffix__ __INT64_C_SUFFIX__
86 : #define __int_least32_c_suffix__ __INT64_C_SUFFIX__
87 : #define __int_least16_c_suffix__ __INT64_C_SUFFIX__
88 : #define __int_least8_c_suffix__ __INT64_C_SUFFIX__
89 : #endif /* __INT64_C_SUFFIX__ */
90 : #endif /* __INT64_TYPE__ */
91 :
92 : #ifdef __INT_LEAST64_TYPE__
93 : #ifdef __int_least64_c_suffix__
94 : #define __INT64_C(x) int_c(x, __int_least64_c_suffix__)
95 : #define __UINT64_C(x) uint_c(x, __int_least64_c_suffix__)
96 : #else
97 : #define __INT64_C(x) x
98 : #define __UINT64_C(x) x ## U
99 : #endif /* __int_least64_c_suffix__ */
100 : #endif /* __INT_LEAST64_TYPE__ */
101 :
102 : #ifdef __INT32_TYPE__
103 : #undef __int_least32_c_suffix__
104 : #undef __int_least16_c_suffix__
105 : #undef __int_least8_c_suffix__
106 : #ifdef __INT32_C_SUFFIX__
107 : #define __int_least32_c_suffix__ __INT32_C_SUFFIX__
108 : #define __int_least16_c_suffix__ __INT32_C_SUFFIX__
109 : #define __int_least8_c_suffix__ __INT32_C_SUFFIX__
110 : #endif /* __INT32_C_SUFFIX__ */
111 : #endif /* __INT32_TYPE__ */
112 :
113 : #ifdef __INT_LEAST32_TYPE__
114 : #ifdef __int_least32_c_suffix__
115 : #define __INT32_C(x) int_c(x, __int_least32_c_suffix__)
116 : #define __UINT32_C(x) uint_c(x, __int_least32_c_suffix__)
117 : #else
118 : #define __INT32_C(x) x
119 : #define __UINT32_C(x) x ## U
120 : #endif /* __int_least32_c_suffix__ */
121 : #endif /* __INT_LEAST32_TYPE__ */
122 :
123 : #endif /* !CONFIG_ENFORCE_ZEPHYR_STDINT */
124 :
125 : #ifdef __INT16_TYPE__
126 : #undef __int_least16_c_suffix__
127 : #undef __int_least8_c_suffix__
128 : #ifdef __INT16_C_SUFFIX__
129 : #define __int_least16_c_suffix__ __INT16_C_SUFFIX__
130 : #define __int_least8_c_suffix__ __INT16_C_SUFFIX__
131 : #endif /* __INT16_C_SUFFIX__ */
132 : #endif /* __INT16_TYPE__ */
133 :
134 : #ifdef __INT_LEAST16_TYPE__
135 : #ifdef __int_least16_c_suffix__
136 : #define __INT16_C(x) int_c(x, __int_least16_c_suffix__)
137 : #define __UINT16_C(x) uint_c(x, __int_least16_c_suffix__)
138 : #else
139 : #define __INT16_C(x) x
140 : #define __UINT16_C(x) x ## U
141 : #endif /* __int_least16_c_suffix__ */
142 : #endif /* __INT_LEAST16_TYPE__ */
143 :
144 : #ifdef __INT8_TYPE__
145 : #undef __int_least8_c_suffix__
146 : #ifdef __INT8_C_SUFFIX__
147 : #define __int_least8_c_suffix__ __INT8_C_SUFFIX__
148 : #endif /* __INT8_C_SUFFIX__ */
149 : #endif /* __INT8_TYPE__ */
150 :
151 : #ifdef __INT_LEAST8_TYPE__
152 : #ifdef __int_least8_c_suffix__
153 : #define __INT8_C(x) int_c(x, __int_least8_c_suffix__)
154 : #define __UINT8_C(x) uint_c(x, __int_least8_c_suffix__)
155 : #else
156 : #define __INT8_C(x) x
157 : #define __UINT8_C(x) x ## U
158 : #endif /* __int_least8_c_suffix__ */
159 : #endif /* __INT_LEAST8_TYPE__ */
160 :
161 : #define __INTMAX_C(x) int_c(x, __INTMAX_C_SUFFIX__)
162 : #define __UINTMAX_C(x) int_c(x, __UINTMAX_C_SUFFIX__)
163 :
164 : #endif /* TOOLCHAIN_CLANG_VERSION < 200100 */
165 :
166 : #endif /* CONFIG_MINIMAL_LIBC */
167 :
168 : #endif /* ZEPHYR_INCLUDE_TOOLCHAIN_LLVM_H_ */
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