[gold patch RFC] implement suppotr for -z origin

[Chris Demetriou]

On Thu, Sep 11, 2008 at 22:31, Ian Lance Taylor <iant@google.com> wrote:
> Don't check enable_new_dtags.  That only controls whether gold emits
> DT_RUNPATH as well as DT_RPATH.  The name is terrible, but it came
> from GNU ld.  It's true that GNU ld uses --enable-new-dtags to control
> whether to emit some other flags, but that really makes no sense.
>
> OK with that change.

Thanks.  I freely admit that I was going for compatibility rather than
sense.  (The GNU ld behavior had me scratching my head for a few
minutes...  8-)

Updated ChangeLog entry for the mod, too, of course, and retested.

Patch as committed attached.


chris
---
2008-09-11  Chris Demetriou  <cgd@google.com>

        * options.h (origin): New -z option.
        * layout.cc (Layout:finish_dynamic_section): If "-z origin"
        is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
        in DT_FLAGS_1.
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