96 lines
3.9 KiB
C
96 lines
3.9 KiB
C
//===-- Wrapper for C standard string.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_STRING_H__
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#define __CLANG_LLVM_LIBC_WRAPPERS_STRING_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 <string.h>
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#if __has_include(<llvm-libc-decls/string.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 GNU headers provide C++ standard compliant headers when in C++ mode and
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// the LLVM libc does not. We need to manually provide the definitions using the
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// same prototypes.
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#if defined(__cplusplus) && defined(__GLIBC__) && \
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defined(__CORRECT_ISO_CPP_STRING_H_PROTO)
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#ifndef __LIBC_ATTRS
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#define __LIBC_ATTRS
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#endif
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extern "C" {
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void *memccpy(void *__restrict, const void *__restrict, int,
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size_t) __LIBC_ATTRS;
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int memcmp(const void *, const void *, size_t) __LIBC_ATTRS;
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void *memcpy(void *__restrict, const void *__restrict, size_t) __LIBC_ATTRS;
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void *memmem(const void *, size_t, const void *, size_t) __LIBC_ATTRS;
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void *memmove(void *, const void *, size_t) __LIBC_ATTRS;
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void *mempcpy(void *__restrict, const void *__restrict, size_t) __LIBC_ATTRS;
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void *memset(void *, int, size_t) __LIBC_ATTRS;
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char *stpcpy(char *__restrict, const char *__restrict) __LIBC_ATTRS;
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char *stpncpy(char *__restrict, const char *__restrict, size_t) __LIBC_ATTRS;
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char *strcat(char *__restrict, const char *__restrict) __LIBC_ATTRS;
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int strcmp(const char *, const char *) __LIBC_ATTRS;
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int strcoll(const char *, const char *) __LIBC_ATTRS;
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char *strcpy(char *__restrict, const char *__restrict) __LIBC_ATTRS;
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size_t strcspn(const char *, const char *) __LIBC_ATTRS;
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char *strdup(const char *) __LIBC_ATTRS;
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size_t strlen(const char *) __LIBC_ATTRS;
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char *strncat(char *__restrict, const char *__restrict, size_t) __LIBC_ATTRS;
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int strncmp(const char *, const char *, size_t) __LIBC_ATTRS;
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char *strncpy(char *__restrict, const char *__restrict, size_t) __LIBC_ATTRS;
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char *strndup(const char *, size_t) __LIBC_ATTRS;
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size_t strnlen(const char *, size_t) __LIBC_ATTRS;
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size_t strspn(const char *, const char *) __LIBC_ATTRS;
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char *strtok(char *__restrict, const char *__restrict) __LIBC_ATTRS;
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char *strtok_r(char *__restrict, const char *__restrict,
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char **__restrict) __LIBC_ATTRS;
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size_t strxfrm(char *__restrict, const char *__restrict, size_t) __LIBC_ATTRS;
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}
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extern "C++" {
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char *strstr(char *, const char *) noexcept __LIBC_ATTRS;
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const char *strstr(const char *, const char *) noexcept __LIBC_ATTRS;
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char *strpbrk(char *, const char *) noexcept __LIBC_ATTRS;
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const char *strpbrk(const char *, const char *) noexcept __LIBC_ATTRS;
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char *strrchr(char *, int) noexcept __LIBC_ATTRS;
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const char *strrchr(const char *, int) noexcept __LIBC_ATTRS;
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char *strchr(char *, int) noexcept __LIBC_ATTRS;
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const char *strchr(const char *, int) noexcept __LIBC_ATTRS;
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char *strchrnul(char *, int) noexcept __LIBC_ATTRS;
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const char *strchrnul(const char *, int) noexcept __LIBC_ATTRS;
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char *strcasestr(char *, const char *) noexcept __LIBC_ATTRS;
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const char *strcasestr(const char *, const char *) noexcept __LIBC_ATTRS;
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void *memrchr(void *__s, int __c, size_t __n) noexcept __LIBC_ATTRS;
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const void *memrchr(const void *__s, int __c, size_t __n) noexcept __LIBC_ATTRS;
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void *memchr(void *__s, int __c, size_t __n) noexcept __LIBC_ATTRS;
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const void *memchr(const void *__s, int __c, size_t __n) noexcept __LIBC_ATTRS;
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}
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#else
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#include <llvm-libc-decls/string.h>
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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_STRING_H__
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