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Re: Limited success with 3.0 branch on AIX
- To: Nicholas Duffek <nsd at redhat dot com>, Kevin Buettner <kevinb at redhat dot com>, Daniel Berlin <dan at cgsoftware dot com>
- Subject: Re: Limited success with 3.0 branch on AIX
- From: David Edelsohn <dje at watson dot ibm dot com>
- Date: Tue, 01 May 2001 13:12:46 -0400
- cc: gdb at sources dot redhat dot com
I would like to refer the GDB experts to a question on the GCC
mailinglist in regard to Zack Weinberg's gcc2_compiled changes. His patch
to implement DBX_OUTPUT_GCC_MARKER support on AIX was not completely
correct. He used stabs N_OPT type which is not valid on AIX and does not
correspond to any AIX storage class stabx type.
The closest AIX type seems to be C_GSYM (stabs N_GSYM). Does GDB
for AIX care about the gcc2_compiled symbol? Is using the N_GSYM type
(whose value is ignored, according to the documentation) okay? The
semantics of a global symbol seem the closest to a N_OPT comment. I do
not understand enough about the significance of the stab type to know if
this proposal would be satisfactory.
http://gcc.gnu.org/ml/gcc-patches/2001-04/msg01459.html
Thanks, David