From nobody Fri Oct 08 01:16:47 2021 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 1F3D112D17E6; Fri, 8 Oct 2021 01:16:55 +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 4HQVdx1Ydwz3tx5; Fri, 8 Oct 2021 01:16:53 +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 B51731E03E; Fri, 8 Oct 2021 01:16:47 +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 1981GlKr011006; Fri, 8 Oct 2021 01:16:47 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 1981Gl4h011005; Fri, 8 Oct 2021 01:16:47 GMT (envelope-from git) Date: Fri, 8 Oct 2021 01:16:47 GMT Message-Id: <202110080116.1981Gl4h011005@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Kyle Evans Subject: git: b9696aebdb18 - stable/12 - stand/reloc_elf: Handle relative relocations for arm{,64} and riscv List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kevans X-Git-Repository: src X-Git-Refname: refs/heads/stable/12 X-Git-Reftype: branch X-Git-Commit: b9696aebdb184108286f22e59a01dd60932b5ca9 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/12 has been updated by kevans: URL: https://cgit.FreeBSD.org/src/commit/?id=b9696aebdb184108286f22e59a01dd60932b5ca9 commit b9696aebdb184108286f22e59a01dd60932b5ca9 Author: D Scott Phillips AuthorDate: 2020-09-21 22:24:46 +0000 Commit: Kyle Evans CommitDate: 2021-10-08 01:15:59 +0000 stand/reloc_elf: Handle relative relocations for arm{,64} and riscv Extend the powerpc relative relocation handling from r240782 to a handful of other architectures. This is needed to properly read dependency information from kernel modules. (cherry picked from commit 987eabdc2ae1c0beba77e4d3b538155e81c7a7d5) --- stand/common/reloc_elf.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/stand/common/reloc_elf.c b/stand/common/reloc_elf.c index ce44b275ab02..388fea218aac 100644 --- a/stand/common/reloc_elf.c +++ b/stand/common/reloc_elf.c @@ -200,7 +200,8 @@ __elfN(reloc)(struct elf_file *ef, symaddr_fn *symaddr, const void *reldata, } return (0); -#elif defined(__powerpc__) +#elif defined(__aarch64__) || defined(__arm__) || defined(__powerpc__) || \ + defined(__riscv) Elf_Size w; const Elf_Rela *rela; @@ -210,7 +211,15 @@ __elfN(reloc)(struct elf_file *ef, symaddr_fn *symaddr, const void *reldata, if (relbase + rela->r_offset >= dataaddr && relbase + rela->r_offset < dataaddr + len) { switch (ELF_R_TYPE(rela->r_info)) { +#if defined(__aarch64__) + case R_AARCH64_RELATIVE: +#elif defined(__arm__) + case R_ARM_RELATIVE: +#elif defined(__powerpc__) case R_PPC_RELATIVE: +#elif defined(__riscv) + case R_RISCV_RELATIVE: +#endif w = relbase + rela->r_addend; bcopy(&w, (u_char *)data + (relbase + rela->r_offset - dataaddr), sizeof(w));