From patchwork Mon Dec 26 17:34:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Flavio Cruz X-Patchwork-Id: 62418 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id ADD463858C2B for ; Mon, 26 Dec 2022 17:35:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org ADD463858C2B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1672076101; bh=C3BaTTvooTWpDyETMZaDBxzhpEH/9DAGvJw2II6XoMM=; h=Date:To:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=TrZg/2cRbwKcd9TqeFtbU0xCaaZ5tzV05Acr1NzWyVmOPzwnXPWCy0qOUZ0t4DxQo XjPosLqkN+H1ZaEtwFrjWqX5iTDa4cHpYLMfBeNG2XhukYSKHm9KFuDgdR4nfsfQoI ZXwSXn6vIvfDGcGtG0nhpWD4zx39bmRfn1fJAbPA= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mail-il1-x135.google.com (mail-il1-x135.google.com [IPv6:2607:f8b0:4864:20::135]) by sourceware.org (Postfix) with ESMTPS id 46D8B3858D32 for ; Mon, 26 Dec 2022 17:34:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 46D8B3858D32 Received: by mail-il1-x135.google.com with SMTP id g2so2573277ila.4 for ; Mon, 26 Dec 2022 09:34:32 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-disposition:mime-version:message-id:subject:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=C3BaTTvooTWpDyETMZaDBxzhpEH/9DAGvJw2II6XoMM=; b=766Umvmpqb+cfUkaO9KAHtOu2/9vvWkcTUafurCB2R+M+kdHQZmoN6X+9ltyxCxWuG KN/7dcsmbZfyKZd6sIIHAogdmrsqTQFKHY0DTKNP4TZpQh+KCq02cyu0T1sWQlbGYzRe trg1YH+XXJR9PLMJLZ3d06gyLwTFXwGs4gGlyYunt8fL8v95UxDEV9ICab0WehnRWOPR 0gS1qk6GqqGecxe7Ae/3FfZBI4LsNSy9y+xHElvsR0RAy5ZpkYZ4C2+6+mssRaDNAsjd r1te4SPApWcWLNW+vnOKKZXf3xY5stYP8qa6nrZK+aFoPOO5hda4xDW32Pl2konlcuNI LqBA== X-Gm-Message-State: AFqh2krxNXRsq/xMgPWpTh6cjwxqSCT5t5Aj3n79IG+RsN+OY9tlaX6M ZLe3aAMllMiIq5anKddC/5tc1n3oHK9C X-Google-Smtp-Source: AMrXdXvH7zUIVPL9xloeBNSTBzZ+L9IGel46U+nXmFDht1HPfu+dfNWtcv+AQLYau/mw/vjwKZ97DA== X-Received: by 2002:a92:d7cf:0:b0:30b:bb8e:743d with SMTP id g15-20020a92d7cf000000b0030bbb8e743dmr12985448ilq.12.1672076070997; Mon, 26 Dec 2022 09:34:30 -0800 (PST) Received: from mars ([24.154.253.225]) by smtp.gmail.com with ESMTPSA id q22-20020a02a996000000b0038a6d03db70sm3386721jam.34.2022.12.26.09.34.30 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Dec 2022 09:34:30 -0800 (PST) Date: Mon, 26 Dec 2022 12:34:28 -0500 To: gcc-patches@gcc.gnu.org Subject: [PATCH] Add support for x86_64-*-gnu-* targets to build x86_64 gnumach/hurd Message-ID: MIME-Version: 1.0 Content-Disposition: inline X-Spam-Status: No, score=-12.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) 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-Patchwork-Original-From: Flavio Cruz via Gcc-patches From: Flavio Cruz Reply-To: Flavio Cruz Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" Tested by building a toolchain and compiling gnumach for x86_64 [1]. This is the basic version without unwind support which I think is only required to implement exceptions. [1] https://github.com/flavioc/cross-hurd/blob/master/bootstrap-kernel.sh. Signed-off-by: Flavio Cruz --- gcc/config.gcc | 5 ++++- gcc/config/i386/gnu64.h | 40 +++++++++++++++++++++++++++++++++ libgcc/config.host | 8 ++++++- libgcc/config/i386/gnu-unwind.h | 10 +++++++++ 4 files changed, 61 insertions(+), 2 deletions(-) create mode 100644 gcc/config/i386/gnu64.h diff --git a/gcc/config.gcc b/gcc/config.gcc index 95190233820..0e2b15768bf 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -1955,7 +1955,7 @@ i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-gnu* | i[34567]8 ;; esac ;; -x86_64-*-linux* | x86_64-*-kfreebsd*-gnu) +x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-gnu*) tm_file="${tm_file} i386/unix.h i386/att.h elfos.h gnu-user.h glibc-stdint.h \ i386/x86-64.h i386/gnu-user-common.h i386/gnu-user64.h" case ${target} in @@ -1966,6 +1966,9 @@ x86_64-*-linux* | x86_64-*-kfreebsd*-gnu) x86_64-*-kfreebsd*-gnu) tm_file="${tm_file} kfreebsd-gnu.h i386/kfreebsd-gnu64.h" ;; + x86_64-*-gnu*) + tm_file="${tm_file} gnu.h i386/gnu64.h" + ;; esac tmake_file="${tmake_file} i386/t-linux64" x86_multilibs="${with_multilib_list}" diff --git a/gcc/config/i386/gnu64.h b/gcc/config/i386/gnu64.h new file mode 100644 index 00000000000..a1ecfaa1cdb --- /dev/null +++ b/gcc/config/i386/gnu64.h @@ -0,0 +1,40 @@ +/* Configuration for an x86_64 running GNU with ELF as the target machine. */ + +/* +Copyright (C) 2022 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC. If not, see . +*/ + +#define GNU_USER_LINK_EMULATION32 "elf_i386" +#define GNU_USER_LINK_EMULATION64 "elf_x86_64" +#define GNU_USER_LINK_EMULATIONX32 "elf32_x86_64" + +#undef GNU_USER_DYNAMIC_LINKER +#define GNU_USER_DYNAMIC_LINKER32 "/lib/ld.so.1" +#define GNU_USER_DYNAMIC_LINKER64 "/lib/ld-x86-64.so.1" +#define GNU_USER_DYNAMIC_LINKERX32 "/lib/ld-x32.so.1" + +#undef STARTFILE_SPEC +#if defined HAVE_LD_PIE +#define STARTFILE_SPEC \ + "%{!shared: %{pg|p|profile:%{static:gcrt0.o%s;:gcrt1.o%s};pie:Scrt1.o%s;static:crt0.o%s;:crt1.o%s}} \ + crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" +#else +#define STARTFILE_SPEC \ + "%{!shared: %{pg|p|profile:%{static:gcrt0.o%s;:gcrt1.o%s};static:crt0.o%s;:crt1.o%s}} \ + crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" +#endif diff --git a/libgcc/config.host b/libgcc/config.host index eb23abe89f5..75fd1b778fe 100644 --- a/libgcc/config.host +++ b/libgcc/config.host @@ -751,6 +751,12 @@ x86_64-*-kfreebsd*-gnu) tmake_file="${tmake_file} i386/t-crtpc t-crtfm i386/t-crtstuff t-dfprules" tm_file="${tm_file} i386/elf-lib.h" ;; +x86_64-*-gnu*) + extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o" + tmake_file="${tmake_file} i386/t-crtpc t-crtfm i386/t-crtstuff t-dfprules" + tm_file="${tm_file} i386/elf-lib.h" + md_unwind_header=i386/gnu-unwind.h + ;; i[34567]86-pc-msdosdjgpp*) ;; i[34567]86-*-lynxos*) @@ -1523,7 +1529,7 @@ esac case ${host} in i[34567]86-*-linux* | x86_64-*-linux* | \ i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu | \ - i[34567]86-*-gnu*) + i[34567]86-*-gnu* | x86_64-*-gnu*) tmake_file="${tmake_file} t-tls i386/t-linux i386/t-msabi t-slibgcc-libgcc" if test "$libgcc_cv_cfi" = "yes"; then tmake_file="${tmake_file} t-stack i386/t-stack-i386" diff --git a/libgcc/config/i386/gnu-unwind.h b/libgcc/config/i386/gnu-unwind.h index 25eb690e370..2cbfc40ea7e 100644 --- a/libgcc/config/i386/gnu-unwind.h +++ b/libgcc/config/i386/gnu-unwind.h @@ -30,6 +30,14 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #include +#ifdef __x86_64__ + +/* + * TODO: support for 64 bits needs to be implemented. + */ + +#else /* ifdef __x86_64__ */ + #define MD_FALLBACK_FRAME_STATE_FOR x86_gnu_fallback_frame_state static _Unwind_Reason_Code @@ -138,4 +146,6 @@ x86_gnu_fallback_frame_state return _URC_NO_REASON; } +#endif /* ifdef __x86_64__ */ + #endif /* ifndef inhibit_libc */