From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <10walls@gmail.com> Received: from mail-pg1-x52b.google.com (mail-pg1-x52b.google.com [IPv6:2607:f8b0:4864:20::52b]) by sourceware.org (Postfix) with ESMTPS id 03453384B801 for ; Thu, 9 Sep 2021 14:23:13 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 03453384B801 Received: by mail-pg1-x52b.google.com with SMTP id w8so1928030pgf.5 for ; Thu, 09 Sep 2021 07:23:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to; bh=lmZ1KBbxQmm8fTIqvaugXxd8qjqS2LIcrpVOFnpKmjs=; b=LcyV2yky0noz/koQbgjG5Jn61qzBjqDqCLotnZAAmE3Glh4sHGTKZB1qztUqYFoW9p Mg9JGzJGwLTktJymAPfRNXeWWM7BzG8WeNXeQB2LM1tgu6gwybcM423gyqLsL7WILrya R5A4fW72stp90s+KmXHLKbauKEUKBmW0dyahYARv9bG7QEe7jrUfTnegFwjt8uP3DiFU 9wsMb1HcjPY1eivCt8Gj+9z+QXDbcNxDYovXY0z6rAO5N0MOhS8zkVtqdIUul1L8JH9h w2ZX2jD2j1znfFNlCPzLnA1tbuI0LVIjARyD25aztCsHmQ+UDVLUvNjO3vVCWl3JC9r2 uGZQ== X-Gm-Message-State: AOAM530mALwbE3c5vxi3ldAuDrImmhFQL89lVm9WjLlVkKLUmtva3MSV K0/XFhsYKaitDXpqrrK1Sy6FLS+eUos= X-Google-Smtp-Source: ABdhPJyBes0BWrhloH+vQPfXYFI/zAJxxw6CMq+AOr/+6/IZAziOHxHT38+2dax47YdOjIBkm/AlMA== X-Received: by 2002:a63:131f:: with SMTP id i31mr2925448pgl.207.1631197389856; Thu, 09 Sep 2021 07:23:09 -0700 (PDT) Received: from ?IPv6:2001:f40:91b::3:9330? ([2001:f40:91b::3:9330]) by smtp.gmail.com with ESMTPSA id l9sm2533896pjz.55.2021.09.09.07.23.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Sep 2021 07:23:08 -0700 (PDT) Subject: Re: [PATCH] Remove dbx.h, do not set PREFERRED_DEBUGGING_TYPE from dbxcoff.h, lynx.h To: Richard Biener , gcc-patches@gcc.gnu.org Cc: dj@delorie.com References: <49oqn7p0-n811-366q-p55q-1s9pq9ss8n3@fhfr.qr> From: Jonathan Yong <10walls@gmail.com> Message-ID: <5af7afc3-6caf-4342-3bd3-8bb2c2ca124e@gmail.com> Date: Thu, 9 Sep 2021 14:25:32 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <49oqn7p0-n811-366q-p55q-1s9pq9ss8n3@fhfr.qr> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="CfJicYyWoycJYq6sOEBLpSYVEb9d8Q9mm" X-Spam-Status: No, score=-3033.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Sep 2021 14:23:14 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --CfJicYyWoycJYq6sOEBLpSYVEb9d8Q9mm Content-Type: multipart/mixed; boundary="MkHASQbyq1mxVn3GWMHd6b1WDPLbd47Cz"; protected-headers="v1" From: Jonathan Yong <10walls@gmail.com> To: Richard Biener , gcc-patches@gcc.gnu.org Cc: dj@delorie.com Message-ID: <5af7afc3-6caf-4342-3bd3-8bb2c2ca124e@gmail.com> Subject: Re: [PATCH] Remove dbx.h, do not set PREFERRED_DEBUGGING_TYPE from dbxcoff.h, lynx.h References: <49oqn7p0-n811-366q-p55q-1s9pq9ss8n3@fhfr.qr> In-Reply-To: <49oqn7p0-n811-366q-p55q-1s9pq9ss8n3@fhfr.qr> --MkHASQbyq1mxVn3GWMHd6b1WDPLbd47Cz Content-Type: multipart/mixed; boundary="------------69F0548A7111A22EB82AFD38" Content-Language: en-US This is a multi-part message in MIME format. --------------69F0548A7111A22EB82AFD38 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 9/9/21 1:19 PM, Richard Biener wrote: > The following removes the unused config/dbx.h file and removes the > setting of PREFERRED_DEBUGGING_TYPE from dbxcoff.h which is > overridden by all users (djgpp/mingw/cygwin) via either including > config/i386/djgpp.h or config/i386/cygming.h >=20 > There are still circumstances where mingw and cygwin default to > STABS, namely when HAVE_GAS_PE_SECREL32_RELOC is not defined and > the target defaults to 32bit code generation. >=20 > The new style handling DBX_DEBUGGING_INFO is in line with > dbxelf.h which does not define PREFERRED_DEBUGGING_TYPE either. >=20 > The patch also removes the PREFERRED_DEBUGGING_TYPE define from > lynx.h which always follows elfos.h already defaulting to DWARF, > so the comment about STABS being the default is misleading and > outdated. There's no listed maintainer for Lynx OS. >=20 > I have not tested this in any ways but I also have no idea how > to meaningfully do so. >=20 Cygwin/MinGW seems to have HAVE_GAS_PE_SECREL32_RELOC set with modern=20 binutils for both 32bit and 64bit, so PREFERRED_DEBUGGING_TYPE should=20 nearly always be set as DWARF2_DEBUG. 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