2004-10-22  Andrew Cagney  <cagney@gnu.org>
 
 	* solib-svr4.c (enable_break): Convert a symbol descriptor into
 	the corresponding function entry point.
 	(solib_break_names): Delete "._dl_debug_state", no longer needed.
 	
*** ./gdb/solib-svr4.c.dist	Fri Oct 22 11:50:31 2004
--- ./gdb/solib-svr4.c	Fri Oct 22 11:53:19 2004
***************
*** 86,102 ****
    "_dl_debug_state",
    "rtld_db_dlactivity",
    "_rtld_debug_state",
- 
-   /* On the 64-bit PowerPC, the linker symbol with the same name as
-      the C function points to a function descriptor, not to the entry
-      point.  The linker symbol whose name is the C function name
-      prefixed with a '.' points to the function's entry point.  So
-      when we look through this table, we ignore symbols that point
-      into the data section (thus skipping the descriptor's symbol),
-      and eventually try this one, giving us the real entry point
-      address.  */
-   "._dl_debug_state",
- 
    NULL
  };
  
--- 86,91 ----
***************
*** 1284,1301 ****
        /* Now try to set a breakpoint in the dynamic linker.  */
        for (bkpt_namep = solib_break_names; *bkpt_namep != NULL; bkpt_namep++)
  	{
!           /* On ABI's that use function descriptors, there are usually
!              two linker symbols associated with each C function: one
!              pointing at the actual entry point of the machine code,
!              and one pointing at the function's descriptor.  The
!              latter symbol has the same name as the C function.
! 
!              What we're looking for here is the machine code entry
!              point, so we are only interested in symbols in code
!              sections.  */
! 	  sym_addr = bfd_lookup_symbol (tmp_bfd, *bkpt_namep, SEC_CODE);
  	  if (sym_addr != 0)
! 	    break;
  	}
  
        /* We're done with both the temporary bfd and target.  Remember,
--- 1273,1289 ----
        /* Now try to set a breakpoint in the dynamic linker.  */
        for (bkpt_namep = solib_break_names; *bkpt_namep != NULL; bkpt_namep++)
  	{
! 	  sym_addr = bfd_lookup_symbol (tmp_bfd, *bkpt_namep, 0);
  	  if (sym_addr != 0)
! 	    {
! 	      /* The symbol might be a descriptor, convert to into the
! 		 corresponding code address.  */
! 	      sym_addr = gdbarch_convert_from_func_ptr_addr (current_gdbarch,
! 							     sym_addr,
! 							     tmp_bfd_target);
! 	      if (sym_addr != 0)
! 		break;
! 	    }
  	}
  
        /* We're done with both the temporary bfd and target.  Remember,