Date: Fri, 2 Nov 2018 19:02:03 +0000 (UTC) From: Ed Maste <emaste@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340076 - in head: contrib/elftoolchain/readelf sys/sys Message-ID: <201811021902.wA2J2393097127@repo.freebsd.org>
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Author: emaste Date: Fri Nov 2 19:02:03 2018 New Revision: 340076 URL: https://svnweb.freebsd.org/changeset/base/340076 Log: Define NT_FREEBSD_FEATURE_CTL ELF note type This ELF note will be used to allow binaries to opt out of, or in to, upcoming vulnerability mitigation and other features. Committing the definition and readelf change separately to allow independent MFC. MFC after: 3 days Sponsored by: The FreeBSD Foundation Modified: head/contrib/elftoolchain/readelf/readelf.c head/sys/sys/elf_common.h Modified: head/contrib/elftoolchain/readelf/readelf.c ============================================================================== --- head/contrib/elftoolchain/readelf/readelf.c Fri Nov 2 18:40:01 2018 (r340075) +++ head/contrib/elftoolchain/readelf/readelf.c Fri Nov 2 19:02:03 2018 (r340076) @@ -1121,6 +1121,7 @@ note_type_freebsd(unsigned int nt) case 1: return "NT_FREEBSD_ABI_TAG"; case 2: return "NT_FREEBSD_NOINIT_TAG"; case 3: return "NT_FREEBSD_ARCH_TAG"; + case 4: return "NT_FREEBSD_FEATURE_CTL"; default: return (note_type_unknown(nt)); } } Modified: head/sys/sys/elf_common.h ============================================================================== --- head/sys/sys/elf_common.h Fri Nov 2 18:40:01 2018 (r340075) +++ head/sys/sys/elf_common.h Fri Nov 2 19:02:03 2018 (r340076) @@ -759,6 +759,7 @@ typedef struct { #define NT_FREEBSD_ABI_TAG 1 #define NT_FREEBSD_NOINIT_TAG 2 #define NT_FREEBSD_ARCH_TAG 3 +#define NT_FREEBSD_FEATURE_CTL 4 /* Values for n_type. Used in core files. */ #define NT_PRSTATUS 1 /* Process status. */
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