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1 | //===-- Wrapper for C standard stdlib.h declarations on the GPU -----------===// |
---|---|
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #ifndef __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__ |
10 | #define __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__ |
11 | |
12 | #if !defined(_OPENMP) && !defined(__HIP__) && !defined(__CUDA__) |
13 | #error "This file is for GPU offloading compilation only" |
14 | #endif |
15 | |
16 | #include_next <stdlib.h> |
17 | |
18 | #if __has_include(<llvm-libc-decls/stdlib.h>) |
19 | |
20 | #if defined(__HIP__) || defined(__CUDA__) |
21 | #define __LIBC_ATTRS __attribute__((device)) |
22 | #endif |
23 | |
24 | #pragma omp begin declare target |
25 | |
26 | // The LLVM C library uses these named types so we forward declare them. |
27 | typedef void (*__atexithandler_t)(void); |
28 | typedef int (*__bsearchcompare_t)(const void *, const void *); |
29 | typedef int (*__qsortcompare_t)(const void *, const void *); |
30 | typedef int (*__qsortrcompare_t)(const void *, const void *, void *); |
31 | |
32 | // Enforce ABI compatibility with the structs used by the LLVM C library. |
33 | _Static_assert(__builtin_offsetof(div_t, quot) == 0, "ABI mismatch!"); |
34 | _Static_assert(__builtin_offsetof(ldiv_t, quot) == 0, "ABI mismatch!"); |
35 | _Static_assert(__builtin_offsetof(lldiv_t, quot) == 0, "ABI mismatch!"); |
36 | |
37 | #include <llvm-libc-decls/stdlib.h> |
38 | |
39 | #pragma omp end declare target |
40 | |
41 | #undef __LIBC_ATTRS |
42 | |
43 | #endif |
44 | |
45 | #endif // __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__ |
46 |
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