[{"id":3683718,"web_url":"http://patchwork.ozlabs.org/comment/3683718/","msgid":"","list_archive_url":null,"date":"2026-04-28T21:12:12","subject":"Re: [PATCH] gcc/toplev.cc: Output mangled function names with\n -fstack-usage","submitter":{"id":91428,"url":"http://patchwork.ozlabs.org/api/people/91428/","name":"Andrew Pinski","email":"andrew.pinski@oss.qualcomm.com"},"content":"On Tue, Apr 28, 2026 at 2:03 PM Tomas Härdin wrote:\n>\n> Hi\n>\n> This is what I've been discussing on IRC. Mangled names make it easier\n> to match -fstack-usage up to the symbol names output by avr-objdump and\n> similar tools. This is especially important on memory constrained\n> platforms like microcontrollers.\n\nOk.\nEven though this patch is not legal significant, it would be useful to\nknow if you are contributing via DCO or you have a copyright\nassignment already?\n\nThanks,\nAndrew\n\n>\n> /Tomas","headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=dv8dDw7y;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=d9NV82dX;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; helo=vm01.sourceware.org;\n envelope-from=gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org;\n receiver=patchwork.ozlabs.org)","sourceware.org;\n\tdkim=pass (2048-bit key,\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=dv8dDw7y;\n\tdkim=pass (2048-bit key,\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=d9NV82dX","sourceware.org; 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Mangled names make it\n> > easier\n> > to match -fstack-usage up to the symbol names output by avr-objdump\n> > and\n> > similar tools. This is especially important on memory constrained\n> > platforms like microcontrollers.\n> \n> Ok.\n> Even though this patch is not legal significant, it would be useful\n> to\n> know if you are contributing via DCO or you have a copyright\n> assignment already?\n\nI read https://gcc.gnu.org/dco.html and that seems the appropriate\nmethod here. I do not have a copyright assignment with the FSF. Updated\npatch with --signoff attached.\n\n/Tomas","headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; helo=vm01.sourceware.org;\n envelope-from=gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org;\n receiver=patchwork.ozlabs.org)","sourceware.org;\n dmarc=none (p=none dis=none) header.from=haerdin.se","sourceware.org; spf=pass smtp.mailfrom=nmugroup.com","server2.sourceware.org;\n arc=none smtp.remote-ip=193.183.80.6"],"Received":["from vm01.sourceware.org (vm01.sourceware.org\n [IPv6:2620:52:6:3111::32])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g4tjJ4Fpqz1xvV\n\tfor ; Wed, 29 Apr 2026 07:24:04 +1000 (AEST)","from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id BB6D24BB8F74\n\tfor ; Tue, 28 Apr 2026 21:24:02 +0000 (GMT)","from glom.nmugroup.com (glom.nmugroup.com [193.183.80.6])\n by sourceware.org (Postfix) with ESMTPS id 839B54BBC0C8\n for ; Tue, 28 Apr 2026 21:23:36 +0000 (GMT)","from localhost (localhost [127.0.0.1])\n by glom.nmugroup.com (Postfix) with ESMTP id 98507542B731;\n Tue, 28 Apr 2026 23:23:35 +0200 (CEST)","from debian.lan (h-79-136-39-105.A258.priv.bahnhof.se\n [79.136.39.105]) (Authenticated sender: git01)\n by glom.nmugroup.com (Postfix) with ESMTPSA id 5AF07542B72F;\n Tue, 28 Apr 2026 23:23:34 +0200 (CEST)"],"DKIM-Filter":["OpenDKIM Filter v2.11.0 sourceware.org BB6D24BB8F74","OpenDKIM Filter v2.11.0 sourceware.org 839B54BBC0C8"],"DMARC-Filter":"OpenDMARC Filter v1.4.2 sourceware.org 839B54BBC0C8","ARC-Filter":"OpenARC Filter v1.0.0 sourceware.org 839B54BBC0C8","ARC-Seal":"i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1777411416; cv=none;\n b=IllhBNHgJb3iNDYRwSsoRqgRqHXteBTu+x6SdtkhDSWv1iVvL93Ur0uG91jk6oyJdqoimVFV6A5R7Z4g+CJ7gFRbGBZBvh8WuvjkdNB+0OdNj5P3X8rxdhmzMDSvWpyl8fvlkEfjrZ6kSsJnAuS4ycuEb3k9aN3m+vdCiVlz/EE=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1777411416; c=relaxed/simple;\n bh=O13l3DDg2VbJO7suCPFgHg9NyzcdRoYDygC4s3HzNUU=;\n h=Message-ID:Subject:From:To:Date:MIME-Version;\n b=Sve8o7vbD1A25MM8y7WSp7jWupDZnpn1VKVxjM9I/2g0BUXXjRMKdW0mZaRyjQGyHJ7BIKJLSOmBtNHlheFJQVGcVjw1w1FXnMaza9R5KYfVsxYu6gOlTNz+BAeHO5HODsVruEgdG4itoS90nizRsmwT/j0/X1Cij/kBb6HFehs=","ARC-Authentication-Results":"i=1; server2.sourceware.org","Message-ID":"<4a928131c7905d13d5b1d8091214fa3dc1eea6d8.camel@haerdin.se>","Subject":"Re: [PATCH] gcc/toplev.cc: Output mangled function names with\n -fstack-usage","From":"Tomas =?iso-8859-1?q?H=E4rdin?= ","To":"Andrew Pinski ","Cc":"gcc-patches@gcc.gnu.org","Date":"Tue, 28 Apr 2026 23:23:34 +0200","In-Reply-To":"\n ","References":"<350bf432f1ef1bea0144eee68d38123e76bcb13c.camel@haerdin.se>\n ","Content-Type":"multipart/mixed; boundary=\"=-VnMBdhhmM+cyYFh/ErXm\"","User-Agent":"Evolution 3.56.2-0+deb13u1 ","MIME-Version":"1.0","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"}}]