[PATCH v2 5/5] T360-symbol-hiding: Use nm instead of objdump.
Charles Celerier
cceleri at cs.stanford.edu
Sat May 10 07:55:43 PDT 2014
David Bremner <david at tethera.net> writes:
> Charles Celerier <cceleri at cs.stanford.edu> writes:
>
>> At this point, I'm not sure how to create a better version of this
>> patch. Are we renaming functions in notmuch-private.h? Should we stick
>> with objdump or switch to using nm?
>
> I'd go with renaming any functions that start with notmuch to start with
> _notmuch.
Ok. Should I pull the patch from
id:1399402716-13714-1-git-send-email-cceleri at cs.stanford.edu into this
patch series?
> Since it seems neither nm nor objdump provides uniform output between
> OS/X and Linux, there isn't an obvious advantage to switching to nm. Any
> idea if objdump can be made to work (in this test) on OS/X ?
I can install GNU objdump on OS/X, but the problem seems to be that
objdump changes its output depending on the object file format (see -t
option documentation in objdump(1)). What does the output of nm look
like for you? Is really that different? Here is what my objdump output
looks like:
$ objdump -t lib/*.o | sed -n '/\[\.text\] __\?notmuch/p' | tail
00000000000009a0 g 0f SECT 01 0000 [.text] _notmuch_thread_get_authors
0000000000000990 g 0f SECT 01 0000 [.text] _notmuch_thread_get_matched_messages
0000000000000960 g 0f SECT 01 0000 [.text] _notmuch_thread_get_messages
00000000000009d0 g 0f SECT 01 0000 [.text] _notmuch_thread_get_newest_date
00000000000009c0 g 0f SECT 01 0000 [.text] _notmuch_thread_get_oldest_date
00000000000009b0 g 0f SECT 01 0000 [.text] _notmuch_thread_get_subject
00000000000009e0 g 0f SECT 01 0000 [.text] _notmuch_thread_get_tags
0000000000000970 g 0f SECT 01 0000 [.text] _notmuch_thread_get_thread_id
0000000000000950 g 0f SECT 01 0000 [.text] _notmuch_thread_get_toplevel_messages
0000000000000980 g 0f SECT 01 0000 [.text] _notmuch_thread_get_total_messages
I suppose we could just account for the difference in output of objdump
on OS/X, but I was hoping that the output of nm would be more consistent
since its a simpler program.
chuck
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