Re: [tbox-l] GDB error: Couldn't restore frame in current thread, at frame 0

[Marc S. <ma...@au...>]

You're apparently not the first to hit this sort of thing.  From the
GDB-bug archives....

(The compiler-related tools are the only ones where we didn't produce the
binaries ourselves - Cygnus produced them - so I don't know which exact
options that they used.)

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Re: Can't restore frame ... error in the GDB

   * To: "K. Young Park" <pkyoung at palmpalm dot co dot kr>
   * Subject: Re: [ECOS] Can't restore frame ... error in the GDB
   * From: Jonathan Larmour <jlarmour at redhat dot com>
   * Date: Fri, 23 Feb 2001 19:49:58 +0000
   * Cc: ecos-discuss at sources dot redhat dot com
   * Organization: Red Hat UK Ltd.
   * References: <04e201c09c78$c848d9c0$280...@pa...>

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"K. Young Park" wrote:
>
> Hi,
> I have succeeded in porting the redboot to my SA-1110 based board. Thanks for all the replies you have given to me.
> I am now running some examples via the GDB remote debugging.
> By the way when I run such code as twothreads in the example directory,
> I sometimes see the message box saying "Couldn't restore frame in current thread, at frame 0". Though the code seems to run even after the message.
> What's the meaning of this message? Did I make any mistake while the porting process?

Not necessarily. You could try adding -mapcs-frame to the
CYGBLD_GLOBAL_CFLAGS option. You could also try reducing the optimization
level from -O2 to -O1 or disable it (-O0) just to see if that makes a
difference; or you could also try disabling the CDL options
CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM and
CYGDBG_HAL_COMMON_INTERRUPTS_SAVE_MINIMUM_CONTEXT

Let us know if one of those fixes things for you.

Jifl

> 
> Whenever I try to display threads in gdb, I get a message box popping up
> with the text "Couldn't restore frame in current thread, at frame 0".  I
> click OK, and a window comes up with the title "Processes" and Thread 1
> listed.  The error pops up every time I step in the debugger until I close
> the "Processes" window, then everything seems to work fine.  Is this a bug,
> or do I need to adjust my build?  I'm compiling with these options
> currently:
> 
> 	g++ -c -gxcoff -fhuge-objects -mthreads  ... 
> 	g++ -gxcoff -mthreads -Xlinker -bbigtoc  ...
> 
> Is there anything I need to add to these options?  
> 
> Thanks,
> Mike Allen
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-- 
Marc Stephenson		                          IBM Server Group - Austin, TX
Internet:  ma...@au...                          NOTES: ma...@us...
Phone:   512-327-5670                                              T/L 678-3189