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authorAKASHI Takahiro <takahiro.akashi@linaro.org>2014-11-28 05:26:36 +0000
committerKees Cook <keescook@google.com>2016-04-08 12:32:23 -0700
commit8230b9d5a92d1a2757c994cc708038bc84738227 (patch)
tree8ae77aaa088dff0382c5ed53f9a85228c5d1bbb7
parentff43d9af5e7f0c7545b6b81a98171eb4c64479d8 (diff)
downloadqcom-msm-v3.10-8230b9d5a92d1a2757c994cc708038bc84738227.tar.gz
BACKPORT: asm-generic: add generic seccomp.h for secure computing mode 1
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@arndb.de> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Bug: 28020023 Patchset: seccomp (cherry picked from kernel/msm commit b12d48d02407060e3fe87e2d8302159853f5d4ee) Signed-off-by: Kees Cook <keescook@google.com> Change-Id: Iccf2b2ba4479075b80033c912cfd67e3910ea457
-rw-r--r--include/asm-generic/seccomp.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-generic/seccomp.h b/include/asm-generic/seccomp.h
new file mode 100644
index 00000000000..9fa1f653ed3
--- /dev/null
+++ b/include/asm-generic/seccomp.h
@@ -0,0 +1,30 @@
+/*
+ * include/asm-generic/seccomp.h
+ *
+ * Copyright (C) 2014 Linaro Limited
+ * Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef _ASM_GENERIC_SECCOMP_H
+#define _ASM_GENERIC_SECCOMP_H
+
+#include <linux/unistd.h>
+
+#if defined(CONFIG_COMPAT) && !defined(__NR_seccomp_read_32)
+#define __NR_seccomp_read_32 __NR_read
+#define __NR_seccomp_write_32 __NR_write
+#define __NR_seccomp_exit_32 __NR_exit
+#define __NR_seccomp_sigreturn_32 __NR_rt_sigreturn
+#endif /* CONFIG_COMPAT && ! already defined */
+
+#define __NR_seccomp_read __NR_read
+#define __NR_seccomp_write __NR_write
+#define __NR_seccomp_exit __NR_exit
+#ifndef __NR_seccomp_sigreturn
+#define __NR_seccomp_sigreturn __NR_rt_sigreturn
+#endif
+
+#endif /* _ASM_GENERIC_SECCOMP_H */