Re: RFA: Adapt linux-dp.exp to NPTL with debugging info

[Michael Snyder <msnyder at redhat dot com>]

Jim Blandy wrote:
> I'm not sure this is the best approach to this.  If either Michael can
> give me a push in the right direction, I'll do my best.

Jim, this looks fine to me.
Michael (I or II, I don't know which...)

> gdb/testsuite/ChangeLog:
> 2004-10-27  Jim Blandy  <jimb@redhat.com>
>
> 	* gdb.threads/linux-dp.exp: Fix output regexp to handle output
> 	under NPTL when there is debugging info available for libpthread.
>
> Index: gdb/testsuite/gdb.threads/linux-dp.exp
> ===================================================================
> RCS file: /cvs/src/src/gdb/testsuite/gdb.threads/linux-dp.exp,v
> retrieving revision 1.9
> diff -c -r1.9 linux-dp.exp
> *** gdb/testsuite/gdb.threads/linux-dp.exp	14 May 2003 19:36:56 -0000	1.9
> --- gdb/testsuite/gdb.threads/linux-dp.exp	27 Oct 2004 23:45:21 -0000
> ***************
> *** 117,123 ****
>   # Try setting a thread-specific breakpoint.
>   gdb_breakpoint "print_philosopher thread 5"
>   gdb_continue_to_breakpoint "thread 5's print"
> ! gdb_test "where" "print_philosopher.*philosopher.* from .*libpthread.*" \
>   	"first thread-specific breakpoint hit"
>   
>   # Make sure it's catching the right thread.  Try hitting the
> --- 117,129 ----
>   # Try setting a thread-specific breakpoint.
>   gdb_breakpoint "print_philosopher thread 5"
>   gdb_continue_to_breakpoint "thread 5's print"
> ! # When there is no debugging info available for the thread library,
> ! # the backtrace entry for philosopher's caller looks like:
> ! #    #1  0x4001c548 in pthread_create () from /lib/libpthread.so.0
> ! # If you do have debug info, the output obviously depends more on the
> ! # exact library in use; under NPTL, you get:
> ! #    #2  0x0012b7fc in start_thread (arg=0x21) at pthread_create.c:264
> ! gdb_test "where" "print_philosopher.*philosopher.* \(from .*libpthread\|at pthread_create\).*" \
>   	"first thread-specific breakpoint hit"
>   
>   # Make sure it's catching the right thread.  Try hitting the