mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-09-19 22:08:32 +00:00
84 lines
2.6 KiB
Diff
84 lines
2.6 KiB
Diff
From 479846fbc74c3d14375a648391e4d455838ee395 Mon Sep 17 00:00:00 2001
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From: AKASHI Takahiro <takahiro.akashi@linaro.org>
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Date: Fri, 4 Jul 2014 08:28:30 +0100
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Subject: [PATCH 02/12] arm64: Add audit support
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On AArch64, audit is supported through generic lib/audit.c and
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compat_audit.c, and so this patch adds arch specific definitions required.
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Acked-by Will Deacon <will.deacon@arm.com>
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Acked-by: Richard Guy Briggs <rgb@redhat.com>
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Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
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Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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---
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arch/arm64/Kconfig | 2 ++
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arch/arm64/include/asm/syscall.h | 14 ++++++++++++++
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include/uapi/linux/audit.h | 1 +
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3 files changed, 17 insertions(+)
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diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
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index abed91857926..a3f9d227d179 100644
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--- a/arch/arm64/Kconfig
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+++ b/arch/arm64/Kconfig
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@@ -12,6 +12,7 @@ config ARM64
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select ARM_AMBA
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select ARM_ARCH_TIMER
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select ARM_GIC
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+ select AUDIT_ARCH_COMPAT_GENERIC
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select BUILDTIME_EXTABLE_SORT
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select CLONE_BACKWARDS
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select COMMON_CLK
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@@ -30,6 +31,7 @@ config ARM64
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select GENERIC_STRNLEN_USER
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select GENERIC_TIME_VSYSCALL
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select HARDIRQS_SW_RESEND
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+ select HAVE_ARCH_AUDITSYSCALL
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select HAVE_ARCH_JUMP_LABEL
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select HAVE_ARCH_KGDB
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select HAVE_ARCH_TRACEHOOK
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diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h
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index 383771eb0b87..709a574468f0 100644
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--- a/arch/arm64/include/asm/syscall.h
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+++ b/arch/arm64/include/asm/syscall.h
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@@ -16,6 +16,8 @@
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#ifndef __ASM_SYSCALL_H
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#define __ASM_SYSCALL_H
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+#include <uapi/linux/audit.h>
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+#include <linux/compat.h>
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#include <linux/err.h>
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extern const void *sys_call_table[];
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@@ -105,4 +107,16 @@ static inline void syscall_set_arguments(struct task_struct *task,
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memcpy(®s->regs[i], args, n * sizeof(args[0]));
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}
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+/*
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+ * We don't care about endianness (__AUDIT_ARCH_LE bit) here because
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+ * AArch64 has the same system calls both on little- and big- endian.
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+ */
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+static inline int syscall_get_arch(void)
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+{
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+ if (is_compat_task())
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+ return AUDIT_ARCH_ARM;
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+
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+ return AUDIT_ARCH_AARCH64;
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+}
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+
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#endif /* __ASM_SYSCALL_H */
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diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
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index 6f94bf3f28a9..c460caf7221d 100644
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--- a/include/uapi/linux/audit.h
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+++ b/include/uapi/linux/audit.h
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@@ -342,6 +342,7 @@ enum {
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#define __AUDIT_ARCH_64BIT 0x80000000
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#define __AUDIT_ARCH_LE 0x40000000
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+#define AUDIT_ARCH_AARCH64 (EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
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#define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
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#define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE)
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#define AUDIT_ARCH_ARMEB (EM_ARM)
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--
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2.19.0
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