From: Paul Koning <Paul_Koning@dell.com>
To: dewar@adacore.com
Cc: gdb@sourceware.org
Subject: Re: how to examine data with compiler optimization option set?
Date: Thu, 04 Sep 2008 14:15:00 -0000 [thread overview]
Message-ID: <18623.60617.309938.395215@gargle.gargle.HOWL> (raw)
In-Reply-To: <48BFEBCE.8080102@adacore.com>
>>>>> "Robert" == Robert Dewar <dewar@adacore.com> writes:
Robert> Paul Koning wrote:
>> Is the problem inadequate debug information (i.e., the values are
>> there, but there isn't debug data that points to the correct
>> registers or stack slots) -- or is the problem that the values you
>> want to see are dead by the time you get to them and the registers
>> holding them have been reused by then? Or something in between,
>> i.e., the values are technically dead, but the registers have NOT
>> yet been reused so the debug information can (and should) still
>> show where they are.
Robert> Well on entry to a function, (if you breakpoint on entry),
Robert> the parameters cannot have been overwritten yet I would
Robert> think!
Agreed.
I haven't run into trouble there (on MIPS that is), provided the
breakpoint is set after the function prologue.
paul
next prev parent reply other threads:[~2008-09-04 14:15 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-02 21:27 J R
2008-09-02 21:36 ` Robert Dewar
2008-09-02 21:45 ` jreiver
2008-09-02 21:50 ` Robert Dewar
2008-09-02 21:57 ` Joel Brobecker
2008-09-03 0:05 ` Michael Snyder
2008-09-03 1:53 ` Robert Dewar
2008-09-03 2:52 ` Daniel Jacobowitz
2008-09-03 14:35 ` Robert Dewar
2008-09-03 3:06 ` Frank Ch. Eigler
2008-09-03 4:37 ` Michael Snyder
2008-09-03 14:36 ` Robert Dewar
2008-09-03 18:34 ` Eli Zaretskii
2008-09-03 21:43 ` Robert Dewar
2008-09-04 8:01 ` Andreas Schwab
2008-09-04 10:53 ` Robert Dewar
2008-09-04 14:05 ` Paul Koning
2008-09-04 14:09 ` Robert Dewar
2008-09-04 14:15 ` Paul Koning [this message]
2008-09-04 14:17 ` Robert Dewar
2008-09-04 15:55 ` Eli Zaretskii
2008-09-04 18:13 ` Frank Ch. Eigler
2008-09-04 20:46 ` Ulrich Weigand
2008-09-03 0:04 ` Michael Snyder
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