tracepoints implementation: bug in byte code generating.

[Josef Ezra]

Generating code for remote traces, the case of  "pointer1->pointer2->data"
was not covered if pointer2's declaration involved a typedef. This simple
fix should take care of that by checking the target type whenever the code
is TYPE_CODE_TYPEDEF.

Regards - Josef Ezra


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* while generating data code, cases of "collect p1->p2->data" where not
  covered if p2 is a 'typedefed' type. this simple fix should forward 
  the type pointer to the real type. 
  


Index: ax-gdb.c
===================================================================
RCS file: /emc/ucode/cvsroot_0/sgdb6/gdb/ax-gdb.c,v
retrieving revision 1.2
diff -c -5 -p -r1.2 ax-gdb.c
*** ax-gdb.c	2000/10/19 13:33:24	1.2
--- ax-gdb.c	2000/10/19 13:42:56
*************** gen_struct_ref (ax, value, field, operat
*** 1428,1437 ****
--- 1428,1442 ----
        gen_usual_unary (ax, value);
        gen_deref (ax, value);
      }
    type = value->type;
  
+   /* if this is a typedef we are more interested at the target */
+   while (TYPE_CODE (type) == TYPE_CODE_TYPEDEF 
+          && TYPE_TARGET_TYPE (type) != NULL)
+     type = TYPE_TARGET_TYPE (type) ;
+ 
    /* This must yield a structure or a union.  */
    if (TYPE_CODE (type) != TYPE_CODE_STRUCT
        && TYPE_CODE (type) != TYPE_CODE_UNION)
      error ("The left operand of `%s' is not a %s.",
  	   operator_name, operand_name);