6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
//===-- Wrapper for C standard stdlib.h declarations on the GPU -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__
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#define __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__
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#if !defined(_OPENMP) && !defined(__HIP__) && !defined(__CUDA__)
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#error "This file is for GPU offloading compilation only"
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#endif
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#include_next <stdlib.h>
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#if __has_include(<llvm-libc-decls/stdlib.h>)
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#if defined(__HIP__) || defined(__CUDA__)
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#define __LIBC_ATTRS __attribute__((device))
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#endif
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#pragma omp begin declare target
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// The LLVM C library uses these named types so we forward declare them.
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typedef void (*__atexithandler_t)(void);
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typedef int (*__bsearchcompare_t)(const void *, const void *);
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typedef int (*__qsortcompare_t)(const void *, const void *);
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typedef int (*__qsortrcompare_t)(const void *, const void *, void *);
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// Enforce ABI compatibility with the structs used by the LLVM C library.
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_Static_assert(__builtin_offsetof(div_t, quot) == 0, "ABI mismatch!");
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_Static_assert(__builtin_offsetof(ldiv_t, quot) == 0, "ABI mismatch!");
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_Static_assert(__builtin_offsetof(lldiv_t, quot) == 0, "ABI mismatch!");
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#if defined(__GLIBC__) && __cplusplus >= 201703L
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#define at_quick_exit atexit
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#endif
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#include <llvm-libc-decls/stdlib.h>
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#if defined(__GLIBC__) && __cplusplus >= 201703L
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#undef at_quick_exit
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#endif
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#pragma omp end declare target
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#undef __LIBC_ATTRS
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#endif
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#endif // __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__
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