From nobody Wed Feb 11 10:48:29 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE9A5C77B7C for ; Tue, 9 May 2023 06:56:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229720AbjEIG4M (ORCPT ); Tue, 9 May 2023 02:56:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235109AbjEIGz4 (ORCPT ); Tue, 9 May 2023 02:55:56 -0400 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E81F54ECE; Mon, 8 May 2023 23:55:54 -0700 (PDT) Received: from loongson.cn (unknown [113.200.148.30]) by gateway (Coremail) with SMTP id _____8BxrOp57llkjN4GAA--.11631S3; Tue, 09 May 2023 14:55:53 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxoOR47llkUDtSAA--.16572S2; Tue, 09 May 2023 14:55:53 +0800 (CST) From: Tiezhu Yang To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter Cc: linux-perf-users@vger.kernel.org, loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, loongson-kernel@lists.loongnix.cn Subject: [PATCH] perf symbol: Add LoongArch case in get_plt_sizes() Date: Tue, 9 May 2023 14:55:52 +0800 Message-Id: <1683615352-10794-1-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 X-CM-TRANSID: AQAAf8BxoOR47llkUDtSAA--.16572S2 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBjvdXoW7Jr4DWFWxGr1UGF4Utw47Jwb_yoWkGwb_ta 4fuF40yw1UArWvyrWDCrW5uFWruayrZFs5uFyDWw4xCa1ftF45WF47Zr93uF15Zw1Yvr9x Jwn2q3yfArs8GjkaLaAFLSUrUUUUYb8apTn2vfkv8UJUUUU8wcxFpf9Il3svdxBIdaVrn0 xqx4xG64xvF2IEw4CE5I8CrVC2j2Jv73VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUUY W7kC6x804xWl14x267AKxVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3w AFIxvE14AKwVWUXVWUAwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK 6xIIjxv20xvE14v26r4j6ryUM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4j6F4UM28EF7 xvwVC2z280aVAFwI0_Cr1j6rxdM28EF7xvwVC2z280aVCY1x0267AKxVWxJr0_GcWln4kS 14v26r1q6r43M2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv 67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc7CjxVAaw2 AFwI0_Jw0_GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1l4IxYO2xF xVAFwI0_Jw0_GFylx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWw C2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Gr0_ Xr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJV WUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIY CTnIWIevJa73UjIFyTuYvjxUstxhDUUUU Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" We can see the following definitions in bfd/elfnn-loongarch.c: #define PLT_HEADER_INSNS 8 #define PLT_HEADER_SIZE (PLT_HEADER_INSNS * 4) #define PLT_ENTRY_INSNS 4 #define PLT_ENTRY_SIZE (PLT_ENTRY_INSNS * 4) so plt header size is 32 and plt entry size is 16 on LoongArch, let us add LoongArch case in get_plt_sizes(). Link: https://sourceware.org/git/?p=3Dbinutils-gdb.git;a=3Dblob;f=3Dbfd/elf= nn-loongarch.c Signed-off-by: Tiezhu Yang Reviewed-by: Leo Yan --- This is based on 6.4-rc1 tools/perf/util/symbol-elf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index b2ed9cc..5d409c2 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -411,6 +411,10 @@ static bool get_plt_sizes(struct dso *dso, GElf_Ehdr *= ehdr, GElf_Shdr *shdr_plt, *plt_header_size =3D 32; *plt_entry_size =3D 16; return true; + case EM_LOONGARCH: + *plt_header_size =3D 32; + *plt_entry_size =3D 16; + return true; case EM_SPARC: *plt_header_size =3D 48; *plt_entry_size =3D 12; --=20 2.1.0