From mboxrd@z Thu Jan 1 00:00:00 1970 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=-11.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 765AAC2BA19 for ; Thu, 23 Apr 2020 07:49:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 52A9C20781 for ; Thu, 23 Apr 2020 07:49:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726933AbgDWHtm (ORCPT ); Thu, 23 Apr 2020 03:49:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726650AbgDWHtm (ORCPT ); Thu, 23 Apr 2020 03:49:42 -0400 Received: from Galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08E76C03C1AB; Thu, 23 Apr 2020 00:49:42 -0700 (PDT) Received: from [5.158.153.53] (helo=tip-bot2.lab.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1jRWc1-0008JD-8W; Thu, 23 Apr 2020 09:49:33 +0200 Received: from [127.0.1.1] (localhost [IPv6:::1]) by tip-bot2.lab.linutronix.de (Postfix) with ESMTP id A2FE31C0244; Thu, 23 Apr 2020 09:49:32 +0200 (CEST) Date: Thu, 23 Apr 2020 07:49:32 -0000 From: "tip-bot2 for Ingo Molnar" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: objtool/core] objtool: Constify arch_decode_instruction() Cc: Josh Poimboeuf , Ingo Molnar , Borislav Petkov , Linus Torvalds , Peter Zijlstra , Sami Tolvanen , Thomas Gleixner , x86 , LKML In-Reply-To: <20200422103205.61900-4-mingo@kernel.org> References: <20200422103205.61900-4-mingo@kernel.org> MIME-Version: 1.0 Message-ID: <158762817210.28353.13596091994137162716.tip-bot2@tip-bot2> X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the objtool/core branch of tip: Commit-ID: 0c98be8118221a8d3de572740f29dd02ed9686a5 Gitweb: https://git.kernel.org/tip/0c98be8118221a8d3de572740f29dd02ed9686a5 Author: Ingo Molnar AuthorDate: Wed, 22 Apr 2020 12:32:05 +02:00 Committer: Ingo Molnar CommitterDate: Thu, 23 Apr 2020 08:34:18 +02:00 objtool: Constify arch_decode_instruction() Mostly straightforward constification, except that WARN_FUNC() needs a writable pointer while we have read-only pointers, so deflect this to WARN(). Acked-by: Josh Poimboeuf Signed-off-by: Ingo Molnar Cc: Borislav Petkov Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Sami Tolvanen Cc: Thomas Gleixner Link: https://lore.kernel.org/r/20200422103205.61900-4-mingo@kernel.org --- tools/objtool/arch.h | 2 +- tools/objtool/arch/x86/decode.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/tools/objtool/arch.h b/tools/objtool/arch.h index 561c316..445b8fa 100644 --- a/tools/objtool/arch.h +++ b/tools/objtool/arch.h @@ -72,7 +72,7 @@ struct instruction; void arch_initial_func_cfi_state(struct cfi_init_state *state); -int arch_decode_instruction(struct elf *elf, struct section *sec, +int arch_decode_instruction(const struct elf *elf, const struct section *sec, unsigned long offset, unsigned int maxlen, unsigned int *len, enum insn_type *type, unsigned long *immediate, diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index f0d42ad..c45a0b4 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -27,7 +27,7 @@ static unsigned char op_to_cfi_reg[][2] = { {CFI_DI, CFI_R15}, }; -static int is_x86_64(struct elf *elf) +static int is_x86_64(const struct elf *elf) { switch (elf->ehdr.e_machine) { case EM_X86_64: @@ -77,7 +77,7 @@ unsigned long arch_jump_destination(struct instruction *insn) return insn->offset + insn->len + insn->immediate; } -int arch_decode_instruction(struct elf *elf, struct section *sec, +int arch_decode_instruction(const struct elf *elf, const struct section *sec, unsigned long offset, unsigned int maxlen, unsigned int *len, enum insn_type *type, unsigned long *immediate, @@ -98,7 +98,7 @@ int arch_decode_instruction(struct elf *elf, struct section *sec, insn_get_length(&insn); if (!insn_complete(&insn)) { - WARN_FUNC("can't decode instruction", sec, offset); + WARN("can't decode instruction at %s:0x%lx", sec->name, offset); return -1; }