This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: Fix HEAD build on amd64
On Fri, Feb 24, 2006 at 02:09:13PM -0800, Roland McGrath wrote:
> > On Fri, Feb 24, 2006 at 01:37:30PM -0800, Roland McGrath wrote:
> > > Why shouldn't .eh_frame always be read-only?
> >
> > It depends on the encoding selected by GCC. The code in dwarf2out.c
> > suggests that there is at least one architecture, somewhere, which
> > uses DW_EH_PE_absptr or DW_EH_PE_aligned even for PIC code, and various
> > linker versions where it must conservatively be writable.
>
> This is just for our own .so builds in libc, and none of them need that.
> What's not clear to me yet is if there are GCC configurations that will
> barf at compile/link time on a read-only .eh_frame section. If so, we'll
> go with your configure check I guess. If not, it can just always be const.
With current vintage binutils, always const is probably fine.
--
Daniel Jacobowitz
CodeSourcery