From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753345AbaCOFka (ORCPT ); Sat, 15 Mar 2014 01:40:30 -0400 Received: from mail-pb0-f52.google.com ([209.85.160.52]:59209 "EHLO mail-pb0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752541AbaCOFkC (ORCPT ); Sat, 15 Mar 2014 01:40:02 -0400 From: AKASHI Takahiro To: will.deacon@arm.com Cc: viro@zeniv.linux.org.uk, eparis@redhat.com, rgb@redhat.com, catalin.marinas@arm.com, dsaxena@linaro.org, arndb@arndb.de, linux-arm-kernel@lists.infradead.org, linaro-kernel@lists.linaro.org, linux-kernel@vger.kernel.org, linux-audit@redhat.com, AKASHI Takahiro Subject: [PATCH v5 3/4] arm64: Add regs_return_value() in syscall.h Date: Sat, 15 Mar 2014 14:39:07 +0900 Message-Id: <1394861948-28712-4-git-send-email-takahiro.akashi@linaro.org> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1394861948-28712-1-git-send-email-takahiro.akashi@linaro.org> References: <1394705491-12343-1-git-send-email-takahiro.akashi@linaro.org> <1394861948-28712-1-git-send-email-takahiro.akashi@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This macro, regs_return_value, is used mainly for audit to record system call's results, but may also be used in test_kprobes.c. Acked-by: Will Deacon Acked-by: Richard Guy Briggs Signed-off-by: AKASHI Takahiro --- arch/arm64/include/asm/ptrace.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index 0e7fa49..5800ec1 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -134,6 +134,11 @@ struct pt_regs { #define user_stack_pointer(regs) \ ((regs)->sp) +static inline unsigned long regs_return_value(struct pt_regs *regs) +{ + return regs->regs[0]; +} + /* * Are the current registers suitable for user mode? (used to maintain * security in signal handlers) -- 1.8.3.2