asm-generic: add generic seccomp.h for secure computing mode 1
Note: This patch is from v6 of Takahiro's proposed "arm64: add seccomp support" patchset (leecam@google.com) Those values (__NR_seccomp_*) are used solely in secure_computing() to identify mode 1 system calls. If compat system calls have different syscall numbers, asm/seccomp.h may override them. Acked-by: Arnd Bergmann <arnd <at> arndb.de> Signed-off-by: AKASHI Takahiro <takahiro.akashi <at> linaro.org> Git-commit: dab10731da65a0deba46402ca9fadf6974676cc8 Git-repo: https://android.googlesource.com/kernel/common.git Signed-off-by: Ian Maund <imaund@codeaurora.org>
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/*
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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 <at> 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 <asm-generic/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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#define __NR_seccomp_sigreturn_32 __NR_rt_sigreturn
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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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#define __NR_seccomp_sigreturn __NR_rt_sigreturn
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#endif /* _ASM_GENERIC_SECCOMP_H */
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