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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
Date: Tue, 19 Jul 2011 16:38:00 -0000	[thread overview]
Message-ID: <m3pql644yv.fsf@fleche.redhat.com> (raw)
In-Reply-To: <E1Qj7xH-0005Fx-71@fencepost.gnu.org> (Eli Zaretskii's message of	"Tue, 19 Jul 2011 06:55:11 -0400")

>>>>> "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


  reply	other threads:[~2011-07-19 16:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-18 20:56 Jan Kratochvil
2011-07-19 11:14 ` Eli Zaretskii
2011-07-19 16:38   ` Tom Tromey [this message]
2011-07-29 16:17   ` Jan Kratochvil
2011-07-19 16:26 ` Tom Tromey
2011-07-25 19:00   ` Jan Kratochvil

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