c983f0e867
Move retrieval of compat syscall numbers into inline function defined in asm-generic header so that arches may override it. [ralf@linux-mips.org: Resolve merge conflict.] Suggested-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> Acked-by: Kees Cook <keescook@chromium.org> Cc: IMG-MIPSLinuxKerneldevelopers@imgtec.com Cc: Arnd Bergmann <arnd@arndb.de> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Will Drewry <wad@chromium.org> Cc: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12978/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*
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* include/asm-generic/seccomp.h
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*
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* Copyright (C) 2014 Linaro Limited
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* Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _ASM_GENERIC_SECCOMP_H
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#define _ASM_GENERIC_SECCOMP_H
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#include <linux/unistd.h>
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#if defined(CONFIG_COMPAT) && !defined(__NR_seccomp_read_32)
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#define __NR_seccomp_read_32 __NR_read
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#define __NR_seccomp_write_32 __NR_write
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#define __NR_seccomp_exit_32 __NR_exit
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#ifndef __NR_seccomp_sigreturn_32
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#define __NR_seccomp_sigreturn_32 __NR_rt_sigreturn
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#endif
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#endif /* CONFIG_COMPAT && ! already defined */
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#define __NR_seccomp_read __NR_read
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#define __NR_seccomp_write __NR_write
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#define __NR_seccomp_exit __NR_exit
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#ifndef __NR_seccomp_sigreturn
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#define __NR_seccomp_sigreturn __NR_rt_sigreturn
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#endif
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#ifdef CONFIG_COMPAT
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#ifndef get_compat_mode1_syscalls
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static inline const int *get_compat_mode1_syscalls(void)
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{
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static const int mode1_syscalls_32[] = {
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__NR_seccomp_read_32, __NR_seccomp_write_32,
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__NR_seccomp_exit_32, __NR_seccomp_sigreturn_32,
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0, /* null terminated */
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};
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return mode1_syscalls_32;
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}
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#endif
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#endif /* CONFIG_COMPAT */
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#endif /* _ASM_GENERIC_SECCOMP_H */
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