[avr-gcc-list] Repeated mail: Recipe: How to debug assembler source files with AVRStudio using gcc tools

[Haase Bjoern (PT-BEU/EMT) *]

Hi,

Find enclosed my mail from Friday 16th (January 2004) concerning assembler 
debugging.

Yours,

Björn

> _____________________________________________ 
> Von:  Haase Bjoern (EW-BEU/PMT) *  
> Gesendet:     Freitag, 16. Januar 2004 09:47
> An:   'address@hidden'
> Betreff:      Recipe: How to debug assembler source files with AVRStudio 
> using gcc tools
> 
> Hy,
> 
> thanks to Larry's hint I got the system running.
> 
> ... in case that so else will have the same problem in the future ..
> 
> Summary of the steps that will make it possible to 
> debug your assembler sources with the Atmel AVRStudio tool using gcc tools:
> 
> 
> Recipe:
> 
> 1.) compile your assembler source code using the command line parameters
> 
> avr-as --gstabs --mmcu your_mcu_identifier -o filename.o filename.s
> 
> 2.) link your application (e.g. with avr-gcc )
> 
> avr-gcc -g -mmcu your_mcu_identifier -o project.elf filename.o filename2.o ...
> 
> 3.) generate the COFF-Object file excecuting
> 
> avr-objcopy -O coff-ext-avr --debugging project.elf project.cof
> 
> 4.) Use the .cof-file with AVR Studio
> 
> 
> 
> In order to be able to step through your assembler routine in the debugger, 
> add the following additional code lines to your assembly file and you will be
> able to debug the function:
> 
> /*
>  * extern unsigned int your_assembler_function_name (void);
>  */
> 
> .stabs  "",100,0,0,your_assembler_function_name
> .stabs  
> "your_assembler_source_file_name.s",100,0,0,your_assembler_function_name
> 
> .global your_assembler_function_name
> .func   your_assembler_function_name
> 
> your_assembler_function_name:
>   
>         ... your assembler function code ...
>   
>         ret
> .endfunc
> 
> 
> 
> -----Ursprüngliche Nachricht-----
> Von: address@hidden
> [mailto:address@hidden Auftrag von Larry Barello
> Gesendet: Donnerstag, 15. Januar 2004 15:21
> An: AVR GCC List
> Betreff: RE: [avr-gcc-list] converting gas-generated stabs debugging
> symbolsto Atmel coff-format
> 
> 
> Try looking at this:
> 
> http://www.avr1.org/pipermail/avr-gcc-list/2003-April/004204.html
> 
> -----Original Message-----
> From: Haase Bjoern
> ...
> Since we will have applications with a certain amount of assembler code, it
> would be *very* helpful if
> we could step through our assembler source code during debugging.
> And that is where I have encountered problems: So far, I did not succeed in
> debugging assembler source with the AVRStudio tool.
> 
> (I have scanned the archive since september 03 when the avr-objcopy patch
> for coff-avr has been published. Unfortunately, I did not find a solution
> therein.)
> 
> It seems to me, that the problem is related to the conversion procedure
> trying to translate the ELF- information to the archaic COFF format.
> 
> 
> 
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