Date: Sat, 8 Jan 2011 16:30:59 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/kern imgact_elf.c Message-ID: <201101081631.p08GVGpl033794@repoman.freebsd.org>
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kib 2011-01-08 16:30:59 UTC FreeBSD src repository Modified files: sys/kern imgact_elf.c Log: SVN rev 217152 on 2011-01-08 16:30:59Z by kib In elf image activator, read and apply the stack protection mode from PT_GNU_STACK program header, if present and enabled. Two new sysctls are provided, kern.elf32.nxstack and kern.elf64.nxstack, that allow to enable PT_GNU_STACK for ABIs of specified bitsize, if ABI decided to support shared page. Inform rtld about access mode of the stack initial mapping by AT_STACKPROT aux vector. At the moment, the default is disabled, waiting for the usermode support bits. Revision Changes Path 1.213 +17 -5 src/sys/kern/imgact_elf.c
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