Re: Multiple breakpoints

[Andreas Schwab <schwab@suse.de>]

Nick Roberts <nickrob@snap.net.nz> writes:

> If I set a breakpoint on TRY_CATCH in gdb_evaluate_expression, I get
> multiple breakpoints:
>
>   gdb_evaluate_expression (struct expression *exp, struct value **value)
>   {
>     volatile struct gdb_exception except;
>
> ->  TRY_CATCH (except, RETURN_MASK_ERROR)
>       {
>         *value = evaluate_expression(exp);
>       }
>
>     if (except.reason < 0)
>       return 0;
>     return 1;
>   }
>
> where -> shows the breakpoint location.
>
>
> Is this to be expected?  The assembler looks like this:

TRY_CATCH expands to a loop, probably the loop condition has been
duplicated by the compiler.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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