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authorAKASHI Takahiro <takahiro.akashi@linaro.org>2014-11-28 05:26:38 +0000
committerWill Deacon <will.deacon@arm.com>2014-11-28 10:24:59 +0000
commitcc5e9097c9aad6b186a568c534e26746d6bfa483 (patch)
tree2136fca62197665c6740bfac8f35a4d4841efb9c /arch/arm64/include/asm
parente185fab7e13087cbd1f7e281d2698f07dbcdd44e (diff)
downloadlinux-cc5e9097c9aad6b186a568c534e26746d6bfa483.tar.gz
arm64: add SIGSYS siginfo for compat task
SIGSYS is primarily used in secure computing to notify tracer of syscall events. This patch allows signal handler on compat task to get correct information with SA_SIGINFO specified when this signal is delivered. 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>
Diffstat (limited to 'arch/arm64/include/asm')
-rw-r--r--arch/arm64/include/asm/compat.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h
index 56de5aadede2..3fb053fa6e98 100644
--- a/arch/arm64/include/asm/compat.h
+++ b/arch/arm64/include/asm/compat.h
@@ -205,6 +205,13 @@ typedef struct compat_siginfo {
compat_long_t _band; /* POLL_IN, POLL_OUT, POLL_MSG */
int _fd;
} _sigpoll;
+
+ /* SIGSYS */
+ struct {
+ compat_uptr_t _call_addr; /* calling user insn */
+ int _syscall; /* triggering system call number */
+ compat_uint_t _arch; /* AUDIT_ARCH_* of syscall */
+ } _sigsys;
} _sifields;
} compat_siginfo_t;