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From: Eli Zaretskii <eliz@gnu.org>
To: Luis Machado <lgustavo@codesourcery.com>
Cc: gdb@sourceware.org
Subject: Re: mingw-w64's GDB 64-bit/32-bit debugging
Date: Tue, 06 Dec 2016 03:34:00 -0000	[thread overview]
Message-ID: <83bmwpk9y2.fsf@gnu.org> (raw)
In-Reply-To: <6b0e1474-b965-ef37-bd0f-3b38aad07810@codesourcery.com> (message	from Luis Machado on Mon, 5 Dec 2016 20:36:50 -0600)

> From: Luis Machado <lgustavo@codesourcery.com>
> Date: Mon, 5 Dec 2016 20:36:50 -0600
> 
> Is a native mingw-w64 gdb capable of debugging 64-bit and 32-bit Windows 
> processes or do we need a 32-bit gdb for a 32-bit process and a 64-bit 
> gdb for a 64-bit process?

The latter, I'm afraid.

> Doing some tests i noticed ming-w64's 64-bit GDB doesn't quite like the 
> 32-bit executable, choking on some 64-bit Windows symbol files and 
> eventually getting an unexpected signal.

Yes, GDB doesn't yet have code that implements the protocol for
debugging WOW64 applications, and the unexpected and unhandled
exception you see is a sign of that.  I'm quite sure patches to that
effect will be appreciated.


      reply	other threads:[~2016-12-06  3:34 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-06  2:37 Luis Machado
2016-12-06  3:34 ` Eli Zaretskii [this message]

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