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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3FAE7D5D687 for ; Thu, 7 Nov 2024 19:52:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=I7jKe0VhAZMO69k6s3j7rDnq+tQfHJZEZbLSKj50CvQ=; b=ykA8ldNbrbWIP60niYixzO6ylI llIgqX5ioH7iRU9enUsVysHOGkGUEWYHATRe3371gmYBRbdDQJ0zd8kTkaRYEDJFbumeDOkE9xe7S TTzXu23J2gRw7k8vOyAJmsrrtWrb7Qwavm33iBFTsScjb9Rdd5f4nSl0joT/NCJcD3pN9kGW081/s vchIqN8Nz/t2KTbWREwCKOTkC1xBjAUGrx9H3i9WJQb64RVIHiq1nYE9+HYPG9TUHZ756P9WUV+DX oC4jQEpelI/NNfhLqB51W21wafEGEo8yHbPSYFLWu1emJwsDTY/HguzS3AXshj/wniiYw+UujlyEv l0fnL6Sw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t98Ya-000000089UG-2xJs; Thu, 07 Nov 2024 19:52:40 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t987s-000000084Wr-18g8; Thu, 07 Nov 2024 19:25:05 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 12946A44A4F; Thu, 7 Nov 2024 19:23:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12A98C4CECC; Thu, 7 Nov 2024 19:25:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731007502; bh=6q3di7FCObUiv+8Jph+EMw//u0ETdnwSd7iOqeptPbE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GG73QAevx0zlzfcdWAvXpV28VzlJoMdMbX0AMjUcQI5vRN+7+pMfRGgqU0cDfptSb zL2MQbJ6cjAH3Kg5SzBu7m7j14xnl/Pw+YVlvNdqS2jOHNCUnnBLn/bw/GEN8Al1Vm h79qPml7pCyhy1l6XdwW6rHsctM7ryhCv2NTyRg8wXWMHsRBW8Jduz4Oi/v+MfUUaP 4wTFJIdKoIbBBEjHQAgG0A4oRVx5kYPCGe67ZROg3W+7wYMcljYzILh4wU7dN7t6kE mR473WoU0J7nZIGUw0BdXT67ZoZLu/6e1QiZVvH0drnfh+vRUNdfkjYTbJSFflSC7h Lddp+3GFnvwWg== Date: Thu, 7 Nov 2024 11:24:59 -0800 From: Namhyung Kim To: Ian Rogers Cc: Masami Hiramatsu , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Adrian Hunter , Kan Liang , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Guo Ren , Paul Walmsley , Palmer Dabbelt , Albert Ou , Nick Terrell , "Steven Rostedt (Google)" , Guilherme Amadio , Changbin Du , Daniel Bristot de Oliveira , Daniel Wagner , Aditya Gupta , Athira Rajeev , Masahiro Yamada , Kajol Jain , Huacai Chen , Bibo Mao , Anup Patel , Atish Patra , Shenlin Liang , Oliver Upton , "Steinar H. Gunderson" , "Dr. David Alan Gilbert" , Chen Pei , Dima Kogan , Yury Norov , Alexander Lobakin , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v2 17/31] perf dwarf-regs: Pass ELF flags to get_dwarf_regstr Message-ID: References: <20241005195541.380070-1-irogers@google.com> <20241005195541.380070-18-irogers@google.com> <20241007170927.f30fced63c5e777628bea311@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241107_112504_451005_3E594D80 X-CRM114-Status: GOOD ( 14.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Oct 07, 2024 at 08:05:23AM -0700, Ian Rogers wrote: > On Mon, Oct 7, 2024 at 1:09 AM Masami Hiramatsu wrote: > > > > On Sat, 5 Oct 2024 12:55:27 -0700 > > Ian Rogers wrote: > > > > > Pass a flags value as architectures like csky need the flags to > > > determine the ABI variant. > > > > > > > Same here. I need some examples of this chaneg. > > The code here was already using the ELF machine, so dwarf-regs.c > functions would already support cross building. There is the addition > of ELF flags as on csky the registers change depending on the ABI > version in the ELF flags. I think it's used by the probe-finder only which won't support cross-arch environment. So probably no changes to users at this point. Thanks, Namhyung 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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A5E03D5D683 for ; Thu, 7 Nov 2024 19:52:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=dFjHfYVSszshOcbQy0Cv14IEqw7Z1XOMxsbCV7K38bQ=; b=i/PQIsbMzPjMo9 yBbjcrjJ0L4RlmkkWrT8pYc/DCvSBUkHFkjN9xKoP5c/RJYLIaUvvqWOP44q0oOdbfKTWhkuv3ioK 3AGB8gxUeLPgKZRjyNqjeTtonFUSHw2rHdw7O11uoQx/EluRG4J2ISuuiGBtaH8S/oNHdbCzDhotW kr+T79T7yL1SUR5VlCcVTGNFzbch73Lr/U2hnKuW08OfQzduJIIbxGHa66ZjWcUuPbpQFOiJapPxD X9ZazNvhDNeqJYrdQmmCNZmyVtQSxtpJmloOwc2qZwLezioFFCTMiZeqQ8Zot+YAtqqwYF3CWmzGR a2BzxCfFb7vAsXm+ccAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t98Yb-000000089UW-1CRT; Thu, 07 Nov 2024 19:52:41 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t987s-000000084Wr-18g8; Thu, 07 Nov 2024 19:25:05 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 12946A44A4F; Thu, 7 Nov 2024 19:23:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12A98C4CECC; Thu, 7 Nov 2024 19:25:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731007502; bh=6q3di7FCObUiv+8Jph+EMw//u0ETdnwSd7iOqeptPbE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GG73QAevx0zlzfcdWAvXpV28VzlJoMdMbX0AMjUcQI5vRN+7+pMfRGgqU0cDfptSb zL2MQbJ6cjAH3Kg5SzBu7m7j14xnl/Pw+YVlvNdqS2jOHNCUnnBLn/bw/GEN8Al1Vm h79qPml7pCyhy1l6XdwW6rHsctM7ryhCv2NTyRg8wXWMHsRBW8Jduz4Oi/v+MfUUaP 4wTFJIdKoIbBBEjHQAgG0A4oRVx5kYPCGe67ZROg3W+7wYMcljYzILh4wU7dN7t6kE mR473WoU0J7nZIGUw0BdXT67ZoZLu/6e1QiZVvH0drnfh+vRUNdfkjYTbJSFflSC7h Lddp+3GFnvwWg== Date: Thu, 7 Nov 2024 11:24:59 -0800 From: Namhyung Kim To: Ian Rogers Cc: Masami Hiramatsu , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Adrian Hunter , Kan Liang , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Guo Ren , Paul Walmsley , Palmer Dabbelt , Albert Ou , Nick Terrell , "Steven Rostedt (Google)" , Guilherme Amadio , Changbin Du , Daniel Bristot de Oliveira , Daniel Wagner , Aditya Gupta , Athira Rajeev , Masahiro Yamada , Kajol Jain , Huacai Chen , Bibo Mao , Anup Patel , Atish Patra , Shenlin Liang , Oliver Upton , "Steinar H. Gunderson" , "Dr. David Alan Gilbert" , Chen Pei , Dima Kogan , Yury Norov , Alexander Lobakin , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v2 17/31] perf dwarf-regs: Pass ELF flags to get_dwarf_regstr Message-ID: References: <20241005195541.380070-1-irogers@google.com> <20241005195541.380070-18-irogers@google.com> <20241007170927.f30fced63c5e777628bea311@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241107_112504_451005_3E594D80 X-CRM114-Status: GOOD ( 14.38 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gTW9uLCBPY3QgMDcsIDIwMjQgYXQgMDg6MDU6MjNBTSAtMDcwMCwgSWFuIFJvZ2VycyB3cm90 ZToKPiBPbiBNb24sIE9jdCA3LCAyMDI0IGF0IDE6MDnigK9BTSBNYXNhbWkgSGlyYW1hdHN1IDxt aGlyYW1hdEBrZXJuZWwub3JnPiB3cm90ZToKPiA+Cj4gPiBPbiBTYXQsICA1IE9jdCAyMDI0IDEy OjU1OjI3IC0wNzAwCj4gPiBJYW4gUm9nZXJzIDxpcm9nZXJzQGdvb2dsZS5jb20+IHdyb3RlOgo+ ID4KPiA+ID4gUGFzcyBhIGZsYWdzIHZhbHVlIGFzIGFyY2hpdGVjdHVyZXMgbGlrZSBjc2t5IG5l ZWQgdGhlIGZsYWdzIHRvCj4gPiA+IGRldGVybWluZSB0aGUgQUJJIHZhcmlhbnQuCj4gPiA+Cj4g Pgo+ID4gU2FtZSBoZXJlLiBJIG5lZWQgc29tZSBleGFtcGxlcyBvZiB0aGlzIGNoYW5lZy4KPiAK PiBUaGUgY29kZSBoZXJlIHdhcyBhbHJlYWR5IHVzaW5nIHRoZSBFTEYgbWFjaGluZSwgc28gZHdh cmYtcmVncy5jCj4gZnVuY3Rpb25zIHdvdWxkIGFscmVhZHkgc3VwcG9ydCBjcm9zcyBidWlsZGlu Zy4gVGhlcmUgaXMgdGhlIGFkZGl0aW9uCj4gb2YgRUxGIGZsYWdzIGFzIG9uIGNza3kgdGhlIHJl Z2lzdGVycyBjaGFuZ2UgZGVwZW5kaW5nIG9uIHRoZSBBQkkKPiB2ZXJzaW9uIGluIHRoZSBFTEYg ZmxhZ3MuCgpJIHRoaW5rIGl0J3MgdXNlZCBieSB0aGUgcHJvYmUtZmluZGVyIG9ubHkgd2hpY2gg d29uJ3Qgc3VwcG9ydApjcm9zcy1hcmNoIGVudmlyb25tZW50LiAgU28gcHJvYmFibHkgbm8gY2hh bmdlcyB0byB1c2VycyBhdCB0aGlzIHBvaW50LgoKVGhhbmtzLApOYW1oeXVuZwoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LXJpc2N2IG1haWxp bmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZy YWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YK