From owner-dev-commits-src-all@freebsd.org Wed Sep 8 12:05:08 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 7EF25679F55; Wed, 8 Sep 2021 12:05:08 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4H4LRm306tz3DpK; Wed, 8 Sep 2021 12:05:08 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 435D724F6C; Wed, 8 Sep 2021 12:05:08 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 188C58Uv012975; Wed, 8 Sep 2021 12:05:08 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 188C58qs012974; Wed, 8 Sep 2021 12:05:08 GMT (envelope-from git) Date: Wed, 8 Sep 2021 12:05:08 GMT Message-Id: <202109081205.188C58qs012974@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Dimitry Andric Subject: git: c90cab0d668a - main - i386 loaders: avoid lld 13 garbage collecting linker sets MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: dim X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: c90cab0d668af5d947054e47184d4f8dcb874ec8 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Sep 2021 12:05:08 -0000 The branch main has been updated by dim: URL: https://cgit.FreeBSD.org/src/commit/?id=c90cab0d668af5d947054e47184d4f8dcb874ec8 commit c90cab0d668af5d947054e47184d4f8dcb874ec8 Author: Dimitry Andric AuthorDate: 2021-09-08 12:04:13 +0000 Commit: Dimitry Andric CommitDate: 2021-09-08 12:04:13 +0000 i386 loaders: avoid lld 13 garbage collecting linker sets Because lld 13 and higher default to garbage collecting start/stop symbols when using --gc-sections, the linker sets used in the i386 boot loaders will disappear. This leads to the loaders not recognizing any commands, and failure to boot. Until we have a good set of linker scripts for the loaders, work around it by disabling the start-stop-gc feature. MFC after: 1 week --- stand/i386/loader/Makefile | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/stand/i386/loader/Makefile b/stand/i386/loader/Makefile index 0abf6120c1e3..571e3b2cb653 100644 --- a/stand/i386/loader/Makefile +++ b/stand/i386/loader/Makefile @@ -61,6 +61,12 @@ ORG= 0x0 CFLAGS+= -Wall LDFLAGS+= -static ${LDFLAGS_ORG} -Wl,--gc-sections +.if ${LINKER_TYPE} == "lld" && ${LINKER_VERSION} >= 130000 +# lld 13 and higher default to garbage collecting start/stop symbols, +# completely ruining our linker sets. For now, work around it by +# disabling this un-feature. +LDFLAGS+= -Wl,-z,nostart-stop-gc +.endif # i386 standalone support library LIBI386= ${BOOTOBJ}/i386/libi386/libi386.a