Zephyr Project API 4.1.99
A Scalable Open Source RTOS
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llvm.h
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1/*
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#define TOOLCHAIN_CLANG_VERSION \
23 ((__clang_major__ * 10000) + (__clang_minor__ * 100) + \
24 __clang_patchlevel__)
25
26#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
34
35#define TOOLCHAIN_WARNING_SIZEOF_ARRAY_DECAY "-Wsizeof-array-decay"
36#define TOOLCHAIN_WARNING_UNNEEDED_INTERNAL_DECLARATION "-Wunneeded-internal-declaration"
37
38#define TOOLCHAIN_DISABLE_CLANG_WARNING(warning) _TOOLCHAIN_DISABLE_WARNING(clang, warning)
39#define TOOLCHAIN_ENABLE_CLANG_WARNING(warning) _TOOLCHAIN_ENABLE_WARNING(clang, warning)
40
41/*
42 * Provide these definitions only when minimal libc is used.
43 * Avoid collision with defines from include/zephyr/toolchain/zephyr_stdint.h
44 */
45#ifdef CONFIG_MINIMAL_LIBC
46
47/*
48 * Predefined __INTN_C/__UINTN_C macros are provided by clang starting in version 20.1.
49 * Avoid redefining these macros if a sufficiently modern clang is being used.
50 */
51#if TOOLCHAIN_CLANG_VERSION < 200100
52
53#define __int_c(v, suffix) v ## suffix
54#define int_c(v, suffix) __int_c(v, suffix)
55#define uint_c(v, suffix) __int_c(v ## U, suffix)
56
57#ifndef CONFIG_ENFORCE_ZEPHYR_STDINT
58
59#ifdef __INT64_TYPE__
60#undef __int_least64_c_suffix__
61#undef __int_least32_c_suffix__
62#undef __int_least16_c_suffix__
63#undef __int_least8_c_suffix__
64#ifdef __INT64_C_SUFFIX__
65#define __int_least64_c_suffix__ __INT64_C_SUFFIX__
66#define __int_least32_c_suffix__ __INT64_C_SUFFIX__
67#define __int_least16_c_suffix__ __INT64_C_SUFFIX__
68#define __int_least8_c_suffix__ __INT64_C_SUFFIX__
69#endif /* __INT64_C_SUFFIX__ */
70#endif /* __INT64_TYPE__ */
71
72#ifdef __INT_LEAST64_TYPE__
73#ifdef __int_least64_c_suffix__
74#define __INT64_C(x) int_c(x, __int_least64_c_suffix__)
75#define __UINT64_C(x) uint_c(x, __int_least64_c_suffix__)
76#else
77#define __INT64_C(x) x
78#define __UINT64_C(x) x ## U
79#endif /* __int_least64_c_suffix__ */
80#endif /* __INT_LEAST64_TYPE__ */
81
82#ifdef __INT32_TYPE__
83#undef __int_least32_c_suffix__
84#undef __int_least16_c_suffix__
85#undef __int_least8_c_suffix__
86#ifdef __INT32_C_SUFFIX__
87#define __int_least32_c_suffix__ __INT32_C_SUFFIX__
88#define __int_least16_c_suffix__ __INT32_C_SUFFIX__
89#define __int_least8_c_suffix__ __INT32_C_SUFFIX__
90#endif /* __INT32_C_SUFFIX__ */
91#endif /* __INT32_TYPE__ */
92
93#ifdef __INT_LEAST32_TYPE__
94#ifdef __int_least32_c_suffix__
95#define __INT32_C(x) int_c(x, __int_least32_c_suffix__)
96#define __UINT32_C(x) uint_c(x, __int_least32_c_suffix__)
97#else
98#define __INT32_C(x) x
99#define __UINT32_C(x) x ## U
100#endif /* __int_least32_c_suffix__ */
101#endif /* __INT_LEAST32_TYPE__ */
102
103#endif /* !CONFIG_ENFORCE_ZEPHYR_STDINT */
104
105#ifdef __INT16_TYPE__
106#undef __int_least16_c_suffix__
107#undef __int_least8_c_suffix__
108#ifdef __INT16_C_SUFFIX__
109#define __int_least16_c_suffix__ __INT16_C_SUFFIX__
110#define __int_least8_c_suffix__ __INT16_C_SUFFIX__
111#endif /* __INT16_C_SUFFIX__ */
112#endif /* __INT16_TYPE__ */
113
114#ifdef __INT_LEAST16_TYPE__
115#ifdef __int_least16_c_suffix__
116#define __INT16_C(x) int_c(x, __int_least16_c_suffix__)
117#define __UINT16_C(x) uint_c(x, __int_least16_c_suffix__)
118#else
119#define __INT16_C(x) x
120#define __UINT16_C(x) x ## U
121#endif /* __int_least16_c_suffix__ */
122#endif /* __INT_LEAST16_TYPE__ */
123
124#ifdef __INT8_TYPE__
125#undef __int_least8_c_suffix__
126#ifdef __INT8_C_SUFFIX__
127#define __int_least8_c_suffix__ __INT8_C_SUFFIX__
128#endif /* __INT8_C_SUFFIX__ */
129#endif /* __INT8_TYPE__ */
130
131#ifdef __INT_LEAST8_TYPE__
132#ifdef __int_least8_c_suffix__
133#define __INT8_C(x) int_c(x, __int_least8_c_suffix__)
134#define __UINT8_C(x) uint_c(x, __int_least8_c_suffix__)
135#else
136#define __INT8_C(x) x
137#define __UINT8_C(x) x ## U
138#endif /* __int_least8_c_suffix__ */
139#endif /* __INT_LEAST8_TYPE__ */
140
141#define __INTMAX_C(x) int_c(x, __INTMAX_C_SUFFIX__)
142#define __UINTMAX_C(x) int_c(x, __UINTMAX_C_SUFFIX__)
143
144#endif /* TOOLCHAIN_CLANG_VERSION < 200100 */
145
146#endif /* CONFIG_MINIMAL_LIBC */
147
148#endif /* ZEPHYR_INCLUDE_TOOLCHAIN_LLVM_H_ */
GCC toolchain abstraction.