diff options
| author | Benjamin Berg <benjamin.berg@intel.com> | 2025-09-24 16:20:57 +0200 |
|---|---|---|
| committer | Thomas Weißschuh <linux@weissschuh.net> | 2025-10-29 16:29:19 +0100 |
| commit | 4bb30188c787176f934aab71872f7c5f43ae6d6f (patch) | |
| tree | 6da0495ad3925142bdc6f5da1c6394e77ec74049 /tools/include | |
| parent | 3d66c4e14fbf4d59ca4665391d133655fa668042 (diff) | |
tools/nolibc: add uio.h with readv and writev
This is generally useful and struct iovec is also needed for other
purposes such as ptrace.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/nolibc/Makefile | 1 | ||||
| -rw-r--r-- | tools/include/nolibc/nolibc.h | 1 | ||||
| -rw-r--r-- | tools/include/nolibc/sys/uio.h | 49 |
3 files changed, 51 insertions, 0 deletions
diff --git a/tools/include/nolibc/Makefile b/tools/include/nolibc/Makefile index 143c2d2c2ba6..9bbbba32dac6 100644 --- a/tools/include/nolibc/Makefile +++ b/tools/include/nolibc/Makefile @@ -62,6 +62,7 @@ all_files := \ sys/time.h \ sys/timerfd.h \ sys/types.h \ + sys/uio.h \ sys/utsname.h \ sys/wait.h \ time.h \ diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h index d2f5aa085f8e..05e2d655c43e 100644 --- a/tools/include/nolibc/nolibc.h +++ b/tools/include/nolibc/nolibc.h @@ -109,6 +109,7 @@ #include "sys/sysmacros.h" #include "sys/time.h" #include "sys/timerfd.h" +#include "sys/uio.h" #include "sys/utsname.h" #include "sys/wait.h" #include "ctype.h" diff --git a/tools/include/nolibc/sys/uio.h b/tools/include/nolibc/sys/uio.h new file mode 100644 index 000000000000..7ad42b927d2f --- /dev/null +++ b/tools/include/nolibc/sys/uio.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ +/* + * uio for NOLIBC + * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu> + * Copyright (C) 2025 Intel Corporation + */ + +/* make sure to include all global symbols */ +#include "../nolibc.h" + +#ifndef _NOLIBC_SYS_UIO_H +#define _NOLIBC_SYS_UIO_H + +#include "../sys.h" +#include <linux/uio.h> + + +/* + * ssize_t readv(int fd, const struct iovec *iovec, int count); + */ +static __attribute__((unused)) +ssize_t sys_readv(int fd, const struct iovec *iovec, int count) +{ + return my_syscall3(__NR_readv, fd, iovec, count); +} + +static __attribute__((unused)) +ssize_t readv(int fd, const struct iovec *iovec, int count) +{ + return __sysret(sys_readv(fd, iovec, count)); +} + +/* + * ssize_t writev(int fd, const struct iovec *iovec, int count); + */ +static __attribute__((unused)) +ssize_t sys_writev(int fd, const struct iovec *iovec, int count) +{ + return my_syscall3(__NR_writev, fd, iovec, count); +} + +static __attribute__((unused)) +ssize_t writev(int fd, const struct iovec *iovec, int count) +{ + return __sysret(sys_writev(fd, iovec, count)); +} + + +#endif /* _NOLIBC_SYS_UIO_H */ |