Date: Tue, 1 Dec 2020 22:28:01 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r368260 - in head: libexec/rtld-elf sys/sys Message-ID: <202012012228.0B1MS1dN010521@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: kib Date: Tue Dec 1 22:28:01 2020 New Revision: 368260 URL: https://svnweb.freebsd.org/changeset/base/368260 Log: rtld: bump r_debug.r_version to 1 from current 0. Add r_ldbase. Requested and reviewed by: emaste Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D27429 Modified: head/libexec/rtld-elf/rtld.c head/sys/sys/link_elf.h Modified: head/libexec/rtld-elf/rtld.c ============================================================================== --- head/libexec/rtld-elf/rtld.c Tue Dec 1 20:27:06 2020 (r368259) +++ head/libexec/rtld-elf/rtld.c Tue Dec 1 22:28:01 2020 (r368260) @@ -2272,8 +2272,10 @@ init_rtld(caddr_t mapbase, Elf_Auxinfo **aux_info) parse_rtld_phdr(&obj_rtld); obj_enforce_relro(&obj_rtld); + r_debug.r_version = R_DEBUG_VERSION; r_debug.r_brk = r_debug_state; r_debug.r_state = RT_CONSISTENT; + r_debug.r_ldbase = obj_rtld.relocbase; } /* Modified: head/sys/sys/link_elf.h ============================================================================== --- head/sys/sys/link_elf.h Tue Dec 1 20:27:06 2020 (r368259) +++ head/sys/sys/link_elf.h Tue Dec 1 22:28:01 2020 (r368260) @@ -69,7 +69,7 @@ typedef struct link_map { } Link_map; struct r_debug { - int r_version; /* not used */ + int r_version; /* Currently '1' */ struct link_map *r_map; /* list of loaded images */ void (*r_brk)(struct r_debug *, struct link_map *); /* pointer to break point */ @@ -78,7 +78,10 @@ struct r_debug { RT_ADD, /* adding a shared library */ RT_DELETE /* removing a shared library */ } r_state; + void *r_ldbase; /* Base address of rtld */ }; + +#define R_DEBUG_VERSION 1 struct dl_phdr_info {
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202012012228.0B1MS1dN010521>