From patchwork Thu May 27 06:40:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Masami Hiramatsu (Google)" X-Patchwork-Id: 12283547 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92024C47089 for ; Thu, 27 May 2021 06:40:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C962613DA for ; Thu, 27 May 2021 06:40:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234278AbhE0Glx (ORCPT ); Thu, 27 May 2021 02:41:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:60332 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234577AbhE0Glr (ORCPT ); Thu, 27 May 2021 02:41:47 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1DC3F613D8; Thu, 27 May 2021 06:40:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622097614; bh=eXubxiP2sfbDRxWXxCS2276qipPi7ZT+e19fUSeI+18=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dU7CjDA1uwiyW26ZV7qYVU3P5HM/Ie2nnUFZwZrv9CLlLIuvPoyey34RKEw5hNuiZ 5IafSvQu8qDI00Q3gXrjTz/E9t6TD6UWLiQaskFOHbsew2FVqoxG41kYv5wosvae4I xOgEvKU9xco8enDku5a00IrhgEOsSQxy549sOc4GVNelM0Ey4jwpXxXeatLzqh/8UR 1XGjG56Pczz2O4WU63GdZHnbFJwTfs80csf+UQEm5Dg1YhcZ9iZJhtp4YDtwf3k3if Mwh9Oll7aHgI6Ce5sXuk+i7UO2JQxDizrwFuaxV8yo5VAx0Jizz2cGt6wayerVuBzD RVibQBF086j9A== From: Masami Hiramatsu To: Steven Rostedt , Ingo Molnar Cc: X86 ML , Masami Hiramatsu , Daniel Xu , linux-kernel@vger.kernel.org, bpf@vger.kernel.org, kuba@kernel.org, mingo@redhat.com, ast@kernel.org, tglx@linutronix.de, kernel-team@fb.com, yhs@fb.com, Josh Poimboeuf , linux-ia64@vger.kernel.org, Abhishek Sagar , Andrii Nakryiko Subject: [PATCH -tip v7 07/13] ia64: Add instruction_pointer_set() API Date: Thu, 27 May 2021 15:40:10 +0900 Message-Id: <162209761027.436794.703331939926656169.stgit@devnote2> X-Mailer: git-send-email 2.25.1 In-Reply-To: <162209754288.436794.3904335049560916855.stgit@devnote2> References: <162209754288.436794.3904335049560916855.stgit@devnote2> User-Agent: StGit/0.19 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Add instruction_pointer_set() API for ia64. Signed-off-by: Masami Hiramatsu --- Changes in v4: - Make the API macro for avoiding a build error. --- arch/ia64/include/asm/ptrace.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h index 08179135905c..a024afbc70e5 100644 --- a/arch/ia64/include/asm/ptrace.h +++ b/arch/ia64/include/asm/ptrace.h @@ -51,6 +51,11 @@ * the canonical representation by adding to instruction pointer. */ # define instruction_pointer(regs) ((regs)->cr_iip + ia64_psr(regs)->ri) +# define instruction_pointer_set(regs, val) \ + ({ \ + ia64_psr(regs)->ri = (val & 0xf); \ + regs->cr_iip = (val & ~0xfULL); \ + }) static inline unsigned long user_stack_pointer(struct pt_regs *regs) {