* [PATCH v2 02/13] arc: define syscall_get_arch()
@ 2019-03-17 23:28 Dmitry V. Levin
2019-03-21 1:18 ` Paul Moore
0 siblings, 1 reply; 2+ messages in thread
From: Dmitry V. Levin @ 2019-03-17 23:28 UTC (permalink / raw)
To: Paul Moore
Cc: Vineet Gupta, Elvira Khabirova, Eugene Syromyatnikov,
Alexey Brodkin, Oleg Nesterov, Andy Lutomirski, linux-snps-arc,
linux-audit, linux-kernel
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: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Cc: Elvira Khabirova <lineprinter@altlinux.org>
Cc: Eugene Syromyatnikov <esyr@redhat.com>
Cc: Alexey Brodkin <alexey.brodkin@synopsys.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: linux-snps-arc@lists.infradead.org
Cc: linux-audit@redhat.com
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
---
Notes:
v2: unchanged
arch/arc/include/asm/syscall.h | 11 +++++++++++
include/uapi/linux/audit.h | 4 ++++
2 files changed, 15 insertions(+)
diff --git a/arch/arc/include/asm/syscall.h b/arch/arc/include/asm/syscall.h
index 29de09804306..c7fc4c0c3bcb 100644
--- a/arch/arc/include/asm/syscall.h
+++ b/arch/arc/include/asm/syscall.h
@@ -9,6 +9,7 @@
#ifndef _ASM_ARC_SYSCALL_H
#define _ASM_ARC_SYSCALL_H 1
+#include <uapi/linux/audit.h>
#include <linux/err.h>
#include <linux/sched.h>
#include <asm/unistd.h>
@@ -68,4 +69,14 @@ syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
}
}
+static inline int
+syscall_get_arch(void)
+{
+ return IS_ENABLED(CONFIG_ISA_ARCOMPACT)
+ ? (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
+ ? AUDIT_ARCH_ARCOMPACTBE : AUDIT_ARCH_ARCOMPACT)
+ : (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
+ ? AUDIT_ARCH_ARCV2BE : AUDIT_ARCH_ARCV2);
+}
+
#endif
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index f28acd952d03..1626727bb921 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -375,6 +375,10 @@ enum {
#define AUDIT_ARCH_AARCH64 (EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_ARCOMPACT (EM_ARCOMPACT|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_ARCOMPACTBE (EM_ARCOMPACT)
+#define AUDIT_ARCH_ARCV2 (EM_ARCV2|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_ARCV2BE (EM_ARCV2)
#define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_ARMEB (EM_ARM)
#define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE)
--
ldv
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2 02/13] arc: define syscall_get_arch()
2019-03-17 23:28 [PATCH v2 02/13] arc: define syscall_get_arch() Dmitry V. Levin
@ 2019-03-21 1:18 ` Paul Moore
0 siblings, 0 replies; 2+ messages in thread
From: Paul Moore @ 2019-03-21 1:18 UTC (permalink / raw)
To: Dmitry V. Levin
Cc: Vineet Gupta, Elvira Khabirova, Eugene Syromyatnikov,
Alexey Brodkin, Oleg Nesterov, Andy Lutomirski, linux-snps-arc,
linux-audit, linux-kernel
On Sun, Mar 17, 2019 at 7:28 PM Dmitry V. Levin <ldv@altlinux.org> wrote:
>
> 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: Vineet Gupta <vgupta@synopsys.com>
> Acked-by: Paul Moore <paul@paul-moore.com>
> Cc: Elvira Khabirova <lineprinter@altlinux.org>
> Cc: Eugene Syromyatnikov <esyr@redhat.com>
> Cc: Alexey Brodkin <alexey.brodkin@synopsys.com>
> Cc: Oleg Nesterov <oleg@redhat.com>
> Cc: Andy Lutomirski <luto@kernel.org>
> Cc: linux-snps-arc@lists.infradead.org
> Cc: linux-audit@redhat.com
> Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
> ---
>
> Notes:
> v2: unchanged
>
> arch/arc/include/asm/syscall.h | 11 +++++++++++
> include/uapi/linux/audit.h | 4 ++++
> 2 files changed, 15 insertions(+)
Merged into audit/next, thanks everyone.
--
paul moore
www.paul-moore.com
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