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Re: [PATCH] printcmd.c (ui_printf): make internalvar string can be printf and eval when inferior cannot alloc memory

From: Tom Tromey <tromey at redhat dot com>
To: Hui Zhu <teawater at gmail dot com>
Cc: gdb-patches ml <gdb-patches at sourceware dot org>
Date: Wed, 17 Aug 2011 08:38:22 -0600
Subject: Re: [PATCH] printcmd.c (ui_printf): make internalvar string can be printf and eval when inferior cannot alloc memory
References: <CANFwon0RttecHT1BrVx886NC6yCsojHm-MWfr7ttS8=CjoNEzg@mail.gmail.com> <m339hz1i9v.fsf@fleche.redhat.com> <CANFwon0wqsOirAz078-y+ti-WFNHGJ45F_-HfS89ViYM02UDFA@mail.gmail.com> <m3fwl2ebq1.fsf@fleche.redhat.com> <CANFwon1h3fytbmBB5DiXjLt=pa7nt_JTuFhuGDxbVjCS=7FwtQ@mail.gmail.com>

>>>>> ">" == Hui Zhu <teawater@gmail.com> writes:

>> I don't know howto input a  wide-string to GDB command line.
>> Could you help me with that and let me write a separate patch special
>> for wide-string case?

I think you can't make one directly without an inferior, but you can
make an array of integers using the {...} syntax.  Then, I think, you
can print this using "%ls".

>> +            if ((VALUE_LVAL (val_args[i]) == lval_internalvar
>> +		 || VALUE_LVAL (val_args[i]) == not_lval)

This test seems odd to me.  Why does the lvalue-ness of the value
matter?

Tom

Follow-Ups:
- Re: [PATCH] printcmd.c (ui_printf): make internalvar string can be printf and eval when inferior cannot alloc memory
  - From: Hui Zhu

References:
- Re: [PATCH] printcmd.c (ui_printf): make internalvar string can be printf and eval when inferior cannot alloc memory
  - From: Hui Zhu
- Re: [PATCH] printcmd.c (ui_printf): make internalvar string can be printf and eval when inferior cannot alloc memory
  - From: Tom Tromey
- Re: [PATCH] printcmd.c (ui_printf): make internalvar string can be printf and eval when inferior cannot alloc memory
  - From: Hui Zhu

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