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56 lines
1.8 KiB
Diff
56 lines
1.8 KiB
Diff
From 33d1d7d4357a9e1ee645999aeb81692a72c55ac5 Mon Sep 17 00:00:00 2001
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From: AKASHI Takahiro <takahiro.akashi@linaro.org>
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Date: Thu, 21 Aug 2014 17:56:42 +0900
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Subject: [PATCH 09/12] asm-generic: add generic seccomp.h for secure computing
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mode 1
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Those values (__NR_seccomp_*) are used solely in secure_computing()
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to identify mode 1 system calls. If compat system calls have different
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syscall numbers, asm/seccomp.h may override them.
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Acked-by: Arnd Bergmann <arnd@arndb.de>
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Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
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Reviewed-by: Kees Cook <keescook@chromium.org>
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---
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include/asm-generic/seccomp.h | 28 ++++++++++++++++++++++++++++
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1 file changed, 28 insertions(+)
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create mode 100644 include/asm-generic/seccomp.h
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diff --git a/include/asm-generic/seccomp.h b/include/asm-generic/seccomp.h
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new file mode 100644
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index 000000000000..5e9702219646
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--- /dev/null
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+++ b/include/asm-generic/seccomp.h
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@@ -0,0 +1,28 @@
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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@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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+
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+#include <asm-generic/unistd.h>
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+
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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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+
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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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+
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+#endif /* _ASM_GENERIC_SECCOMP_H */
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--
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2.19.0
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