Date: Sat, 31 Jan 2015 19:16:52 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r277990 - in head: . sys/conf Message-ID: <201501311916.t0VJGqki043484@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: nwhitehorn Date: Sat Jan 31 19:16:51 2015 New Revision: 277990 URL: https://svnweb.freebsd.org/changeset/base/277990 Log: Build the powerpc64 kernel as a position-independent executable. At startup, it processes its own ELF relocations and can be loaded and run in place at any physical/virtual address. NB: This requires an updated loader to boot! Relnotes: yes Modified: head/UPDATING head/sys/conf/Makefile.powerpc Modified: head/UPDATING ============================================================================== --- head/UPDATING Sat Jan 31 18:57:45 2015 (r277989) +++ head/UPDATING Sat Jan 31 19:16:51 2015 (r277990) @@ -31,6 +31,11 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 11 disable the most expensive debugging functionality run "ln -s 'abort:false,junk:false' /etc/malloc.conf".) +20150131: + The powerpc64 kernel has been changed to a position-independent + executable. This can only be booted with a new version of loader(8), + so make sure to update both world and kernel before rebooting. + 20150118: Clang and llvm have been upgraded to 3.5.1 release. This is a bugfix only release, no new features have been added. Please see the 20141231 Modified: head/sys/conf/Makefile.powerpc ============================================================================== --- head/sys/conf/Makefile.powerpc Sat Jan 31 18:57:45 2015 (r277989) +++ head/sys/conf/Makefile.powerpc Sat Jan 31 19:16:51 2015 (r277990) @@ -37,6 +37,11 @@ INCLUDES+= -I$S/contrib/libfdt CFLAGS+= -msoft-float -Wa,-many +.if ${MACHINE_ARCH} == "powerpc64" +CFLAGS+= -fPIC +LDFLAGS+= -pie +.endif + .if !empty(DDB_ENABLED) CFLAGS+= -fno-omit-frame-pointer .endif
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201501311916.t0VJGqki043484>