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Subject[PATCH v9 06/13] x86: add HAVE_SECCOMP_FILTER and seccomp_execve
Date
Adds support to the x86 architecture by providing a compatibility
mode wrapper for sys_execve's number and selecting HAVE_SECCOMP_FILTER

v9: rebase on to bccaeafd7c117acee36e90d37c7e05c19be9e7bf

Signed-off-by: Will Drewry <wad@chromium.org>
---
arch/x86/Kconfig | 1 +
arch/x86/include/asm/ia32_unistd.h | 1 +
arch/x86/include/asm/seccomp_64.h | 2 ++
3 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index da34972..c3b7d3b 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -63,6 +63,7 @@ config X86
select HAVE_TEXT_POKE_SMP
select HAVE_GENERIC_HARDIRQS
select HAVE_SPARSE_IRQ
+ select HAVE_SECCOMP_FILTER
select GENERIC_FIND_FIRST_BIT
select GENERIC_IRQ_PROBE
select GENERIC_PENDING_IRQ if SMP
diff --git a/arch/x86/include/asm/ia32_unistd.h b/arch/x86/include/asm/ia32_unistd.h
index 976f6ec..8ed2922 100644
--- a/arch/x86/include/asm/ia32_unistd.h
+++ b/arch/x86/include/asm/ia32_unistd.h
@@ -12,6 +12,7 @@
#define __NR_ia32_exit 1
#define __NR_ia32_read 3
#define __NR_ia32_write 4
+#define __NR_ia32_execve 11
#define __NR_ia32_sigreturn 119
#define __NR_ia32_rt_sigreturn 173

diff --git a/arch/x86/include/asm/seccomp_64.h b/arch/x86/include/asm/seccomp_64.h
index 84ec1bd..85c4219 100644
--- a/arch/x86/include/asm/seccomp_64.h
+++ b/arch/x86/include/asm/seccomp_64.h
@@ -8,10 +8,12 @@
#define __NR_seccomp_write __NR_write
#define __NR_seccomp_exit __NR_exit
#define __NR_seccomp_sigreturn __NR_rt_sigreturn
+#define __NR_seccomp_execve __NR_execve

#define __NR_seccomp_read_32 __NR_ia32_read
#define __NR_seccomp_write_32 __NR_ia32_write
#define __NR_seccomp_exit_32 __NR_ia32_exit
#define __NR_seccomp_sigreturn_32 __NR_ia32_sigreturn
+#define __NR_seccomp_execve_32 __NR_ia32_execve

#endif /* _ASM_X86_SECCOMP_64_H */
--
1.7.0.4


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