From owner-svn-src-all@freebsd.org Sun Nov 18 10:22:43 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7FC291133A1B; Sun, 18 Nov 2018 10:22:43 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2476275BE0; Sun, 18 Nov 2018 10:22:43 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 05766120FC; Sun, 18 Nov 2018 10:22:43 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wAIAMgJE096313; Sun, 18 Nov 2018 10:22:42 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wAIAMgT4096312; Sun, 18 Nov 2018 10:22:42 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201811181022.wAIAMgT4096312@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sun, 18 Nov 2018 10:22:42 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r340557 - stable/11/libexec/rtld-elf/amd64 X-SVN-Group: stable-11 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: stable/11/libexec/rtld-elf/amd64 X-SVN-Commit-Revision: 340557 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 2476275BE0 X-Spamd-Result: default: False [-0.05 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_SHORT(-0.05)[-0.052,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Nov 2018 10:22:43 -0000 Author: kib Date: Sun Nov 18 10:22:42 2018 New Revision: 340557 URL: https://svnweb.freebsd.org/changeset/base/340557 Log: MFC r339897: Remove rtld use of libc amd64_set_fsbase(). Modified: stable/11/libexec/rtld-elf/amd64/reloc.c Directory Properties: stable/11/ (props changed) Modified: stable/11/libexec/rtld-elf/amd64/reloc.c ============================================================================== --- stable/11/libexec/rtld-elf/amd64/reloc.c Sun Nov 18 09:58:36 2018 (r340556) +++ stable/11/libexec/rtld-elf/amd64/reloc.c Sun Nov 18 10:22:42 2018 (r340557) @@ -33,8 +33,9 @@ #include #include -#include #include +#include +#include #include #include @@ -490,17 +491,26 @@ pre_init(void) } +int __getosreldate(void); + void allocate_initial_tls(Obj_Entry *objs) { - /* - * Fix the size of the static TLS block by using the maximum - * offset allocated so far and adding a bit for dynamic modules to - * use. - */ - tls_static_space = tls_last_offset + RTLD_STATIC_TLS_EXTRA; - amd64_set_fsbase(allocate_tls(objs, 0, - 3*sizeof(Elf_Addr), sizeof(Elf_Addr))); + void *addr; + + /* + * Fix the size of the static TLS block by using the maximum + * offset allocated so far and adding a bit for dynamic + * modules to use. + */ + tls_static_space = tls_last_offset + RTLD_STATIC_TLS_EXTRA; + + addr = allocate_tls(objs, 0, 3 * sizeof(Elf_Addr), sizeof(Elf_Addr)); + if (__getosreldate() >= P_OSREL_WRFSBASE && + (cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0) + wrfsbase((uintptr_t)addr); + else + sysarch(AMD64_SET_FSBASE, &addr); } void *__tls_get_addr(tls_index *ti)