Thomas Schwinge, le Tue 14 Nov 2006 16:15:08 +0100, a écrit : > Using `-fstack-protector' with GCC 4.1 made it include assembler code > using ``%gs:0x14'' even with `-ffreestanding'. However, this isn't the > correct thing to do in kernel > space (with `-ffreestanding'). I think I've now tracked where this is > coming from. This is not an issue anymore with GCC 4.2 or a GCC 4.1 that > is recent enough,
You mean that gcc now correctly switches to using __stack_chk_guard in freestanding mode? > But then, if this was `*-*-*gnu*' instead of `*-*-linux*' in the above > configure check, I guess that the smashing stack protector wouldn't work > (and would instead make all compiled programs crash) in user space on > GNU/Hurd then, as then not `[GCC]/gcc/libgcc/''s generic code would be > used, but instead the Linux-tls-specific macros. Well, we'll have to fix GNU/Hurd's TLS someday anyway. Samuel _______________________________________________ Bug-hurd mailing list Bug-hurd@gnu.org http://lists.gnu.org/mailman/listinfo/bug-hurd
