Sync with reality. Partially revert 1.28 since gcc 3 is back in town. Also

mention collect2 ctor wrapper only exists on vax, and sjlj exceptions only
remain on vax on m88k as of today.

1 files changed, 13 insertions, 9 deletions

diff --git a/share/man/man1/gcc-local.1 b/share/man/man1/gcc-local.1
index ded5621a448..9c11fa044e5 100644
--- a/share/man/man1/gcc-local.1
+++ b/share/man/man1/gcc-local.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: gcc-local.1,v 1.34 2013/01/06 21:53:49 martynas Exp $
+.\" $OpenBSD: gcc-local.1,v 1.35 2013/02/07 22:33:58 miod 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: January 6 2013 $
+.Dd $Mdocdate: February 7 2013 $
 .Dt GCC-LOCAL 1
 .Os
 .Sh NAME
@@ -35,7 +35,7 @@
 .Ox
 uses derivatives of
 .Xr gcc 1
-versions 2.95.3 or 4.2.1,
+versions 2.95.3, 3.3.6 or 4.2.1,
 depending on machine architecture.
 In all cases,
 the software comes with specific modifications for
@@ -48,11 +48,10 @@ does not search under
 for include files nor for libraries:
 as a system compiler, it only searches the system paths by default.
 .It
-On most architectures,
+On all architectures where the stack is non-executable,
 trampoline code marks the smallest possible area around the trampoline stub
 executable using
-.Xr mprotect 2 ,
-since the stack area is by default non-executable.
+.Xr mprotect 2 .
 .It
 Trampoline code generation is disabled by default.
 Code requiring trampolines will not compile without
@@ -125,15 +124,18 @@ This exposes latent bugs for 64-bit architectures,
 where a terminating 0 will expand to a 32-bit int, and not a full-fledged
 64-bits pointer.
 .It
-On some platforms,
+On vax,
 .Nm gcc
 still uses
 .Xr setjmp 3 /
 .Xr longjmp 3 -
 style exceptions, and so needs extra fixes beyond the pure 2.95.3 release.
+.Po so-called
+.Dq sjlj
+exceptions are also used on aviion, luna88k and mvme88k
+.Pc
 .It
-On a few
-platforms (mostly a.out),
+On a.out platforms (i.e vax),
 .Nm gcc
 uses a linker wrapper to write stubs that call global constructors and
 destructors.
@@ -222,6 +224,8 @@ This behavior can be restored with
 will not move variables initialized with the value zero
 from the data section to the bss section.
 The default behaviour of
+.Nm gcc 3.3.6
+and
 .Nm gcc 4.2.1
 on other systems is to perform this action, which can be restored for
 .Ox