From owner-svn-src-head@freebsd.org Wed Dec 5 10:30:54 2018 Return-Path: Delivered-To: svn-src-head@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 41419130DC7D; Wed, 5 Dec 2018 10:30:54 +0000 (UTC) (envelope-from mmel@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 DAD008EAA3; Wed, 5 Dec 2018 10:30:53 +0000 (UTC) (envelope-from mmel@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 B80C3131AD; Wed, 5 Dec 2018 10:30:53 +0000 (UTC) (envelope-from mmel@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wB5AUr30077926; Wed, 5 Dec 2018 10:30:53 GMT (envelope-from mmel@FreeBSD.org) Received: (from mmel@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wB5AUrr7077925; Wed, 5 Dec 2018 10:30:53 GMT (envelope-from mmel@FreeBSD.org) Message-Id: <201812051030.wB5AUrr7077925@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mmel set sender to mmel@FreeBSD.org using -f From: Michal Meloun Date: Wed, 5 Dec 2018 10:30:53 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r341513 - head/libexec/rtld-elf/aarch64 X-SVN-Group: head X-SVN-Commit-Author: mmel X-SVN-Commit-Paths: head/libexec/rtld-elf/aarch64 X-SVN-Commit-Revision: 341513 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: DAD008EAA3 X-Spamd-Result: default: False [-0.13 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-0.54)[-0.543,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_SPAM_SHORT(0.49)[0.489,0]; NEURAL_HAM_LONG(-0.07)[-0.072,0] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Dec 2018 10:30:54 -0000 Author: mmel Date: Wed Dec 5 10:30:53 2018 New Revision: 341513 URL: https://svnweb.freebsd.org/changeset/base/341513 Log: Tidy up arm64 reloc_jmpslots() implementation. - don't relocate jump slots multiple times (if LD_BIND_NOW is defined). - process only R_AARCH64_JUMP_SLOT here, other relocation types are handled by reloc_plt(). MFC after: 1 week Modified: head/libexec/rtld-elf/aarch64/reloc.c Modified: head/libexec/rtld-elf/aarch64/reloc.c ============================================================================== --- head/libexec/rtld-elf/aarch64/reloc.c Wed Dec 5 10:23:38 2018 (r341512) +++ head/libexec/rtld-elf/aarch64/reloc.c Wed Dec 5 10:30:53 2018 (r341513) @@ -243,8 +243,10 @@ reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockStat const Elf_Rela *relalim; const Elf_Rela *rela; const Elf_Sym *def; - struct tls_data *tlsdesc; + if (obj->jmpslots_done) + return (0); + relalim = (const Elf_Rela *)((const char *)obj->pltrela + obj->pltrelasize); for (rela = obj->pltrela; rela < relalim; rela++) { @@ -265,20 +267,9 @@ reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockStat reloc_jmpslot(where, target, defobj, obj, (const Elf_Rel *)rela); break; - case R_AARCH64_TLSDESC: - if (ELF_R_SYM(rela->r_info) != 0) { - tlsdesc = (struct tls_data *)where[1]; - if (tlsdesc->index == -1) - rtld_tlsdesc_handle_locked(tlsdesc, - SYMLOOK_IN_PLT | flags, lockstate); - } - break; - default: - _rtld_error("Unknown relocation type %x in jmpslot", - (unsigned int)ELF_R_TYPE(rela->r_info)); - return (-1); } } + obj->jmpslots_done = true; return (0); }