[Bug translator/11173] markers get a bad address in prelinked libraries

["jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From jistone at redhat dot com  2010-01-15 16:52 -------
(In reply to comment #3)
> Could you also post the "before" one (what do the addresses and bias look like
> in the good case)?

It's all there in the diff, but here's the equivalent part extracted...

> -matched probe_name function__entry probe_type uprobe at 0xd7cc4
> -probe_type == uprobe_type, use statement addr: 0xd7cc4
[...]
> -literal_addr_to_sym_addr 0xd7cc4
> -symbias 0x200000, dwbias 0x200000
> -literal_addr_to_sym_addr ret 0x2d7cc4


> We should be storing the addresses "unbiased" in the .probes section and prelink
> shouldn't relocate them, if we are using literal_addr_to_sym_addr().
> literal_addr_to_sym_addr() treats addresses as if given by the user (so raw for
> ET_EXEC or zero based for ET_DYN).

The "before" case is indeed zero-based, but the "after" case looks raw.

Maybe literal_addr_to_sym_addr can look for DT_GNU_PRELINKED and treat such
addresses as raw too?

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=11173

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