linux/arch/mips/include/asm/unistd.h
Arnd Bergmann 505d66d1ab clone3: drop __ARCH_WANT_SYS_CLONE3 macro
When clone3() was introduced, it was not obvious how each architecture
deals with setting up the stack and keeping the register contents in
a fork()-like system call, so this was left for the architecture
maintainers to implement, with __ARCH_WANT_SYS_CLONE3 defined by those
that already implement it.

Five years later, we still have a few architectures left that are missing
clone3(), and the macro keeps getting in the way as it's fundamentally
different from all the other __ARCH_WANT_SYS_* macros that are meant
to provide backwards-compatibility with applications using older
syscalls that are no longer provided by default.

Address this by reversing the polarity of the macro, adding an
__ARCH_BROKEN_SYS_CLONE3 macro to all architectures that don't
already provide the syscall, and remove __ARCH_WANT_SYS_CLONE3
from all the other ones.

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-07-10 14:23:38 +02:00

68 lines
1.8 KiB
C

/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1995, 96, 97, 98, 99, 2000 by Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*
* Changed system calls macros _syscall5 - _syscall7 to push args 5 to 7 onto
* the stack. Robin Farine for ACN S.A, Copyright (C) 1996 by ACN S.A
*/
#ifndef _ASM_UNISTD_H
#define _ASM_UNISTD_H
#include <uapi/asm/unistd.h>
#include <asm/unistd_nr_n32.h>
#include <asm/unistd_nr_n64.h>
#include <asm/unistd_nr_o32.h>
#define __NR_N32_Linux 6000
#define __NR_64_Linux 5000
#define __NR_O32_Linux 4000
#ifdef CONFIG_MIPS32_N32
#define NR_syscalls (__NR_N32_Linux + __NR_N32_Linux_syscalls)
#elif defined(CONFIG_64BIT)
#define NR_syscalls (__NR_64_Linux + __NR_64_Linux_syscalls)
#else
#define NR_syscalls (__NR_O32_Linux + __NR_O32_Linux_syscalls)
#endif
#ifndef __ASSEMBLY__
#define __ARCH_WANT_NEW_STAT
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
#define __ARCH_WANT_SYS_UTIME
#define __ARCH_WANT_SYS_UTIME32
#define __ARCH_WANT_SYS_WAITPID
#define __ARCH_WANT_SYS_SOCKETCALL
#define __ARCH_WANT_SYS_GETPGRP
#define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_OLD_UNAME
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
# ifdef CONFIG_32BIT
# define __ARCH_WANT_STAT64
# define __ARCH_WANT_SYS_TIME32
# else
# define __ARCH_WANT_COMPAT_STAT
# endif
# ifdef CONFIG_MIPS32_O32
# define __ARCH_WANT_SYS_TIME32
# endif
#define __ARCH_WANT_SYS_FORK
#define __ARCH_WANT_SYS_CLONE
/* whitelists for checksyscalls */
#define __IGNORE_fadvise64_64
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_UNISTD_H */