K 10 svn:author V 3 kib K 8 svn:date V 27 2011-01-08T16:30:59.507650Z K 7 svn:log V 468 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. END