[PATCH v3 4/4] audit(userspace): Add compat system call support for AArch64

[AKASHI Takahiro]

For 32-bit task auditing (-F arch=b32), internally-used machine type will
be overwritten to MACH_ARM in order to use a correct system call
lookup table.

Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
---
 lib/libaudit.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/libaudit.c b/lib/libaudit.c
index 7dacd36..4ee6660 100644
--- a/lib/libaudit.c
+++ b/lib/libaudit.c
@@ -1306,6 +1306,9 @@ int audit_rule_fieldpair_data(struct audit_rule_data **rulep, const char *pair,
 				else if (bits == ~__AUDIT_ARCH_64BIT &&
 					machine == MACH_S390X)
 						machine = MACH_S390;
+				else if (bits == ~__AUDIT_ARCH_64BIT &&
+					machine == MACH_AARCH64)
+						machine = MACH_ARM;
 
 				/* Check for errors - return -6 
 				 * We don't allow 32 bit machines to specify 
-- 
1.7.9.5