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patch for breakpoint.c:can_use_hardware_watchpoint


As per discussion on the gdb development list, this patch changes
can_use_hardware_watchpoint to return 0 if a register variable is
part of the expression.

        --jtc

1999-08-17  J.T. Conklin  <jtc@redback.com>

	* breakpoint.c (can_use_hardware_watchpoint): Return 0 if
 	expression contains a register varable.

Index: breakpoint.c
===================================================================
RCS file: /home/jtc/CVSROOT/gdb/gdb/breakpoint.c,v
retrieving revision 1.1.1.6
diff -c -r1.1.1.6 breakpoint.c
*** breakpoint.c	1999/07/08 23:30:20	1.1.1.6
--- breakpoint.c	1999/08/16 20:35:04
***************
*** 4505,4510 ****
--- 4505,4512 ----
  	  if (TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (TYPE_LENGTH (VALUE_TYPE (v))))
  	    found_memory_cnt++;
  	}
+       else if (v->lval == lval_register)
+         return 0;
        else if (v->lval != not_lval && v->modifiable == 0)
  	return 0;
      }


-- 
J.T. Conklin
RedBack Networks

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