45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
//===-- Wrapper for C standard stdlib.h declarations on the GPU -----------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__
|
|
#define __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__
|
|
|
|
#if !defined(_OPENMP) && !defined(__HIP__) && !defined(__CUDA__)
|
|
#error "This file is for GPU offloading compilation only"
|
|
#endif
|
|
|
|
#include_next <stdlib.h>
|
|
|
|
#if __has_include(<llvm-libc-decls/stdlib.h>)
|
|
|
|
#if defined(__HIP__) || defined(__CUDA__)
|
|
#define __LIBC_ATTRS __attribute__((device))
|
|
#endif
|
|
|
|
#pragma omp begin declare target
|
|
|
|
// The LLVM C library uses these named types so we forward declare them.
|
|
typedef void (*__atexithandler_t)(void);
|
|
typedef int (*__bsearchcompare_t)(const void *, const void *);
|
|
typedef int (*__qsortcompare_t)(const void *, const void *);
|
|
typedef int (*__qsortrcompare_t)(const void *, const void *, void *);
|
|
|
|
// Enforce ABI compatibility with the structs used by the LLVM C library.
|
|
_Static_assert(__builtin_offsetof(div_t, quot) == 0, "ABI mismatch!");
|
|
_Static_assert(__builtin_offsetof(ldiv_t, quot) == 0, "ABI mismatch!");
|
|
_Static_assert(__builtin_offsetof(lldiv_t, quot) == 0, "ABI mismatch!");
|
|
|
|
#include <llvm-libc-decls/stdlib.h>
|
|
|
|
#pragma omp end declare target
|
|
|
|
#undef __LIBC_ATTRS
|
|
|
|
#endif
|
|
|
|
#endif // __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__
|