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From: Tom Tromey <tromey@redhat.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Jan Kratochvil <jan.kratochvil@redhat.com>, gdb-patches@sourceware.org
Subject: Re: [RFC 11/12] entryval: "@entry" in input expressions
References: <20110718202410.GL30496@host1.jankratochvil.net>	<E1Qj7xH-0005Fx-71@fencepost.gnu.org>
Date: Tue, 19 Jul 2011 16:38:00 -0000
In-Reply-To: <E1Qj7xH-0005Fx-71@fencepost.gnu.org> (Eli Zaretskii's message of	"Tue, 19 Jul 2011 06:55:11 -0400")
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>>>>> "Eli" == Eli Zaretskii <eliz@gnu.org> writes:

>> it would be good if one can also:
>> (gdb) print refparam@entry
>> $1 = 5

Eli> Again, why not just
Eli>  (gdb) print refparam
Eli> ?

Ordinarily one wants the current value of the variable, not the
variable's entry value.

>> +Breakpoint 1, d (i=30) at gdb.base/entry-value.c:29
>> +29	  i++;
>> +(gdb) next
>> +30	  e (i);
>> +(gdb) print i
>> +$1 = 31
>> +(gdb) print i@@entry
>> +$2 = 30

Eli> Which doesn't add any information beyond what is already shown in the
Eli> first line.  What's the point?

You can use 'i@entry' in a breakpoint condition.

Tom