[ppc64-linux]: Recognize dl event entry point symbol

[ppc64-linux]: Recognize dl event entry point symbol

[Jim Blandy]

2003-06-11  Jim Blandy  <jimb@redhat.com>

	* solib-svr4.c (solib_break_names): Recognize the 64-bit PowerPC
	Linux entry point symbols for _dl_debug_state, too.

Index: gdb/solib-svr4.c
===================================================================
RCS file: /cvs/src/src/gdb/solib-svr4.c,v
retrieving revision 1.32.8.1
diff -c -r1.32.8.1 solib-svr4.c
*** gdb/solib-svr4.c	11 Jun 2003 08:57:46 -0000	1.32.8.1
--- gdb/solib-svr4.c	11 Jun 2003 12:59:25 -0000
***************
*** 79,84 ****
--- 79,85 ----
    "r_debug_state",
    "_r_debug_state",
    "_dl_debug_state",
+   "._dl_debug_state",
    "rtld_db_dlactivity",
    "_rtld_debug_state",
    NULL

Re: [ppc64-linux]: Recognize dl event entry point symbol

[Kevin Buettner]

On Jun 11,  8:02am, Jim Blandy wrote:

> 2003-06-11  Jim Blandy  <jimb@redhat.com>
> 
> 	* solib-svr4.c (solib_break_names): Recognize the 64-bit PowerPC
> 	Linux entry point symbols for _dl_debug_state, too.
> 
> Index: gdb/solib-svr4.c
> ===================================================================
> RCS file: /cvs/src/src/gdb/solib-svr4.c,v
> retrieving revision 1.32.8.1
> diff -c -r1.32.8.1 solib-svr4.c
> *** gdb/solib-svr4.c	11 Jun 2003 08:57:46 -0000	1.32.8.1
> --- gdb/solib-svr4.c	11 Jun 2003 12:59:25 -0000
> ***************
> *** 79,84 ****
> --- 79,85 ----
>     "r_debug_state",
>     "_r_debug_state",
>     "_dl_debug_state",
> +   "._dl_debug_state",
>     "rtld_db_dlactivity",
>     "_rtld_debug_state",
>     NULL

Okay.

(I wonder why the tools implementor's felt compelled to add that
leading ".".)

Kevin

Re: [ppc64-linux]: Recognize dl event entry point symbol

[Jim Blandy]

Kevin Buettner <kevinb@redhat.com> writes:

> On Jun 11,  8:02am, Jim Blandy wrote:
> 
> > 2003-06-11  Jim Blandy  <jimb@redhat.com>
> > 
> > 	* solib-svr4.c (solib_break_names): Recognize the 64-bit PowerPC
> > 	Linux entry point symbols for _dl_debug_state, too.
> > 
> > Index: gdb/solib-svr4.c
> > ===================================================================
> > RCS file: /cvs/src/src/gdb/solib-svr4.c,v
> > retrieving revision 1.32.8.1
> > diff -c -r1.32.8.1 solib-svr4.c
> > *** gdb/solib-svr4.c	11 Jun 2003 08:57:46 -0000	1.32.8.1
> > --- gdb/solib-svr4.c	11 Jun 2003 12:59:25 -0000
> > ***************
> > *** 79,84 ****
> > --- 79,85 ----
> >     "r_debug_state",
> >     "_r_debug_state",
> >     "_dl_debug_state",
> > +   "._dl_debug_state",
> >     "rtld_db_dlactivity",
> >     "_rtld_debug_state",
> >     NULL
> 
> Okay.
> 
> (I wonder why the tools implementor's felt compelled to add that
> leading ".".)

On PPC64 Linux, the symbol whose name lacks the dot points to the
function descriptor; the symbol with the dot is the entry point.  So
this change works along with this patch I just posted:

http://sources.redhat.com/ml/gdb-patches/2003-06/msg00430.html

Re: [ppc64-linux]: Recognize dl event entry point symbol

[Kevin Buettner]

On Jun 12,  4:20pm, Jim Blandy wrote:

> > (I wonder why the tools implementor's felt compelled to add that
> > leading ".".)
> 
> On PPC64 Linux, the symbol whose name lacks the dot points to the
> function descriptor; the symbol with the dot is the entry point.  So
> this change works along with this patch I just posted:
> 
> http://sources.redhat.com/ml/gdb-patches/2003-06/msg00430.html

I see.

Thanks for the explanation.

Kevin