diff options
| author | Sebastian Benoit <benno@cvs.openbsd.org> | 2014-09-28 10:43:34 +0000 |
|---|---|---|
| committer | Sebastian Benoit <benno@cvs.openbsd.org> | 2014-09-28 10:43:34 +0000 |
| commit | 8b438548c520c6fc8601a17ff3a3fff110aab79c (patch) | |
| tree | 1e99335693f4ce49214c236734b590ae5551dff0 /share/man | |
| parent | 6f52de09278160652893150f1262f24c834917aa (diff) | |
document -fstack-shuffle
ok jmc@ tedu@
Diffstat (limited to 'share/man')
| -rw-r--r-- | share/man/man1/gcc-local.1 | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/share/man/man1/gcc-local.1 b/share/man/man1/gcc-local.1 index b169dcb5d75..5c610504386 100644 --- a/share/man/man1/gcc-local.1 +++ b/share/man/man1/gcc-local.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: gcc-local.1,v 1.43 2014/07/10 19:14:40 matthew Exp $ +.\" $OpenBSD: gcc-local.1,v 1.44 2014/09/28 10:43:33 benno Exp $ .\" .\" Copyright (c) 2002 Marc Espie .\" Copyright (c) 2003 Anil Madhavapeddy @@ -25,7 +25,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: July 10 2014 $ +.Dd $Mdocdate: September 28 2014 $ .Dt GCC-LOCAL 1 .Os .Sh NAME @@ -199,6 +199,11 @@ does not store its version string in objects. This behavior can be restored with .Fl fident . .It +The option +.Fl fstack-shuffle +will randomize the order of stack variables at compile time, which can +be helpful to find bugs. +.It .Nm gcc will not move variables initialized with the value zero from the data section to the bss section. |