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[Bug ld/20244] ld fails to handle "op $imm, address@hidden"
From: |
hjl.tools at gmail dot com |
Subject: |
[Bug ld/20244] ld fails to handle "op $imm, address@hidden" |
Date: |
Tue, 14 Feb 2017 23:02:49 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=20244
--- Comment #12 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Dopıng from comment #11)
> (In reply to H.J. Lu from comment #10)
> > > What I don’t get is why the older GNU ld seems to link these objects files
> > > into a shared library just fine. If that’s the case, the older ld must
> > > have
> > > a way to properly deal with these assembly instructions, right?
> >
> > The old linker will silently generate broken output.
> Hmm. Broken as in ”will probably cause a SIGSEGV or SIGBUS“, or less broken?
> 😉
> I’m wondering why nobody noticed this problem before. Is it possible that
> the problematic instructions belong to dead code, e.g. are part of a
> function that’s (almost) never called, part of a (faulty) generated
> exception handler, ...? Or did you find these instructions all over the
> place in the Oracle object files?
I don't think that piece of code is executed.
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- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", bugs at moronic dot technology, 2017/02/14
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", bugs at moronic dot technology, 2017/02/14
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", hjl.tools at gmail dot com, 2017/02/14
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", bugs at moronic dot technology, 2017/02/14
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", hjl.tools at gmail dot com, 2017/02/14
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", bugs at moronic dot technology, 2017/02/14
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden",
hjl.tools at gmail dot com <=
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", bugs at moronic dot technology, 2017/02/15
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", hjl.tools at gmail dot com, 2017/02/15
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", bugs at moronic dot technology, 2017/02/15
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", bugs at moronic dot technology, 2017/02/15
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", hjl.tools at gmail dot com, 2017/02/15
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", cvs-commit at gcc dot gnu.org, 2017/02/15
- [Bug ld/20244] ld fails to handle "op $imm, address@hidden", hjl.tools at gmail dot com, 2017/02/17