From owner-svn-src-head@freebsd.org Sun Mar 6 00:31:12 2016 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B12E6A13A95; Sun, 6 Mar 2016 00:31:12 +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 mx1.freebsd.org (Postfix) with ESMTPS id 73361E86; Sun, 6 Mar 2016 00:31:12 +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 u260VBZw027533; Sun, 6 Mar 2016 00:31:11 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u260VBSb027532; Sun, 6 Mar 2016 00:31:11 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201603060031.u260VBSb027532@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sun, 6 Mar 2016 00:31:11 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r296419 - head/sys/kern X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.21 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: Sun, 06 Mar 2016 00:31:12 -0000 Author: kib Date: Sun Mar 6 00:31:11 2016 New Revision: 296419 URL: https://svnweb.freebsd.org/changeset/base/296419 Log: In the link_elf_obj.c, handle sections of type SHT_AMD64_UNWIND same as SHT_PROGBITS. This is needed after the clang 3.8 import, which generates that type for .eh_frame section, which had SHT_PROGBITS type before. Reported by: Nikolai Lifanov PR: 207729 Tested by: dim (previous version) Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Modified: head/sys/kern/link_elf_obj.c Modified: head/sys/kern/link_elf_obj.c ============================================================================== --- head/sys/kern/link_elf_obj.c Sat Mar 5 21:10:34 2016 (r296418) +++ head/sys/kern/link_elf_obj.c Sun Mar 6 00:31:11 2016 (r296419) @@ -257,6 +257,9 @@ link_elf_link_preload(linker_class_t cls switch (shdr[i].sh_type) { case SHT_PROGBITS: case SHT_NOBITS: +#ifdef __amd64__ + case SHT_AMD64_UNWIND: +#endif ef->nprogtab++; break; case SHT_SYMTAB: @@ -327,9 +330,16 @@ link_elf_link_preload(linker_class_t cls switch (shdr[i].sh_type) { case SHT_PROGBITS: case SHT_NOBITS: +#ifdef __amd64__ + case SHT_AMD64_UNWIND: +#endif ef->progtab[pb].addr = (void *)shdr[i].sh_addr; if (shdr[i].sh_type == SHT_PROGBITS) ef->progtab[pb].name = "<>"; +#ifdef __amd64__ + else if (shdr[i].sh_type == SHT_AMD64_UNWIND) + ef->progtab[pb].name = "<>"; +#endif else ef->progtab[pb].name = "<>"; ef->progtab[pb].size = shdr[i].sh_size; @@ -575,6 +585,9 @@ link_elf_load_file(linker_class_t cls, c switch (shdr[i].sh_type) { case SHT_PROGBITS: case SHT_NOBITS: +#ifdef __amd64__ + case SHT_AMD64_UNWIND: +#endif ef->nprogtab++; break; case SHT_SYMTAB: @@ -681,6 +694,9 @@ link_elf_load_file(linker_class_t cls, c switch (shdr[i].sh_type) { case SHT_PROGBITS: case SHT_NOBITS: +#ifdef __amd64__ + case SHT_AMD64_UNWIND: +#endif alignmask = shdr[i].sh_addralign - 1; mapsize += alignmask; mapsize &= ~alignmask; @@ -748,6 +764,9 @@ link_elf_load_file(linker_class_t cls, c switch (shdr[i].sh_type) { case SHT_PROGBITS: case SHT_NOBITS: +#ifdef __amd64__ + case SHT_AMD64_UNWIND: +#endif alignmask = shdr[i].sh_addralign - 1; mapbase += alignmask; mapbase &= ~alignmask; @@ -760,6 +779,10 @@ link_elf_load_file(linker_class_t cls, c } } else if (shdr[i].sh_type == SHT_PROGBITS) ef->progtab[pb].name = "<>"; +#ifdef __amd64__ + else if (shdr[i].sh_type == SHT_AMD64_UNWIND) + ef->progtab[pb].name = "<>"; +#endif else ef->progtab[pb].name = "<>"; if (ef->progtab[pb].name != NULL && @@ -781,7 +804,11 @@ link_elf_load_file(linker_class_t cls, c } ef->progtab[pb].size = shdr[i].sh_size; ef->progtab[pb].sec = i; - if (shdr[i].sh_type == SHT_PROGBITS) { + if (shdr[i].sh_type == SHT_PROGBITS +#ifdef __amd64__ + || shdr[i].sh_type == SHT_AMD64_UNWIND +#endif + ) { error = vn_rdwr(UIO_READ, nd.ni_vp, ef->progtab[pb].addr, shdr[i].sh_size, shdr[i].sh_offset,