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hexagon: define syscall_get_arch()

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syscall_get_arch() is required to be implemented on all architectures
in addition to already implemented syscall_get_nr(),
syscall_get_arguments(), syscall_get_error(), and
syscall_get_return_value() functions in order to extend the generic
ptrace API with PTRACE_GET_SYSCALL_INFO request.

Acked-by: Paul Moore <paul@paul-moore.com>
Cc: Elvira Khabirova <lineprinter@altlinux.org>
Cc: Eugene Syromyatnikov <esyr@redhat.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: linux-hexagon@vger.kernel.org
Cc: linux-audit@redhat.com
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Dmitry V. Levin 2019-03-18 02:29:32 +03:00 committed by Paul Moore
parent f4780e2db0
commit d093153431
2 changed files with 9 additions and 0 deletions
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8
arch/hexagon/include/asm/syscall.h
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@ -21,6 +21,8 @@
#ifndef _ASM_HEXAGON_SYSCALL_H
#define _ASM_HEXAGON_SYSCALL_H
#include <uapi/linux/audit.h>
typedef long (*syscall_fn)(unsigned long, unsigned long,
unsigned long, unsigned long,
unsigned long, unsigned long);
@ -43,4 +45,10 @@ static inline void syscall_get_arguments(struct task_struct *task,
BUG_ON(i + n > 6);
memcpy(args, &(&regs->r00)[i], n * sizeof(args[0]));
}
static inline int syscall_get_arch(void)
{
return AUDIT_ARCH_HEXAGON;
}
#endif

1
include/uapi/linux/audit.h
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@ -387,6 +387,7 @@ enum {
#define AUDIT_ARCH_CSKY (EM_CSKY|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_FRV (EM_FRV)
#define AUDIT_ARCH_H8300 (EM_H8_300)
#define AUDIT_ARCH_HEXAGON (EM_HEXAGON)
#define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_M32R (EM_M32R)