[Simulavr-devel] [patch #7084] +Diagnostic when running without a program

[Petr Hluzin]

URL:
  <http://savannah.nongnu.org/patch/?7084>

                 Summary: +Diagnostic when running without a program
                 Project: Simulavr: an AVR simulator
            Submitted by: petrh
            Submitted on: Sun 07 Feb 2010 09:08:46 PM CET
                Category: feature add
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: simulavrxx

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Details:

When user is connected using GDB and he forgot to load an program image
(either on command line or by GDB 'load') the simulator exits with message
"Simulation terminated! IllegalInstruction at 0x0 executed!" (BTW quite
threatening). GDB just notes simulator's abrupt disappearance.

This is worse when user does not see the simulator's output - he has no clue
why did it die. The output may not be even visible when the simulator is
launched by IDE.

With this patch a GDB will print "No program to simulate. Use 'load' to
upload it." and stop without simulator altering a state. After user/IDE does
'load file.elf' the simulation can continue as usual.



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File Attachments:


-------------------------------------------------------
Date: Sun 07 Feb 2010 09:08:46 PM CET  Name:
no-program-loaded-diagnostics.patch  Size: 3kB   By: petrh

<http://savannah.nongnu.org/patch/download.php?file_id=19643>

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