parisc: Enable seccomp architecture tracking

To enable seccomp constant action bitmaps, we need to have a static
mapping to the audit architecture and system call table size. Add these
for parisc.

Signed-off-by: YiFei Zhu <yifeifz2@illinois.edu>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/9bb86c546eda753adf5270425e7353202dbce87c.1605101222.git.yifeifz2@illinois.edu

diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild
index e3ee5c0..f16c4db 100644 (file)
--- a/arch/parisc/include/asm/Kbuild
+++ b/arch/parisc/include/asm/Kbuild
@@ -5,5 +5,4 @@ generated-y += syscall_table_c32.h
 generic-y += kvm_para.h
 generic-y += local64.h
 generic-y += mcs_spinlock.h
-generic-y += seccomp.h
 generic-y += user.h

diff --git a/arch/parisc/include/asm/seccomp.h b/arch/parisc/include/asm/seccomp.h
new file mode 100644 (file)
index 0000000..b058b22
--- /dev/null
+++ b/arch/parisc/include/asm/seccomp.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#ifdef CONFIG_64BIT
+# define SECCOMP_ARCH_NATIVE           AUDIT_ARCH_PARISC64
+# define SECCOMP_ARCH_NATIVE_NR                NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME      "parisc64"
+# ifdef CONFIG_COMPAT
+#  define SECCOMP_ARCH_COMPAT          AUDIT_ARCH_PARISC
+#  define SECCOMP_ARCH_COMPAT_NR       NR_syscalls
+#  define SECCOMP_ARCH_COMPAT_NAME     "parisc"
+# endif
+#else /* !CONFIG_64BIT */
+# define SECCOMP_ARCH_NATIVE           AUDIT_ARCH_PARISC
+# define SECCOMP_ARCH_NATIVE_NR                NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME      "parisc"
+#endif
+
+#endif /* _ASM_SECCOMP_H */