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Re: [avr-gcc-list] Unable to debug code relocated with "-Ttext=" (e.g. b

From: Simon Han
Subject: Re: [avr-gcc-list] Unable to debug code relocated with "-Ttext=" (e.g. bootloader)
Date: Wed, 30 Mar 2005 07:22:28 -0800

On Mar 30, 2005, at 6:29 AM, E. Weddington wrote:

Pieter Conradie wrote:

AVR Studio and GDB/Insight is unable to debug code when it is relocated with the linker option "-Ttext=0x1E000" for an ATmega128, e.g. when creating a
bootloader application.

This was experienced with WinAVR-20050214 and AVR Studio 4.11, by loading
dwarf-2 and stabs debug format (ELF and COFF).

I can verify that the code is correctly generated by inspecting the
dissassembly, but the C debugging info is mangled, e.g. the "main" starting point is incorrectly displayed as "address@hidden: main", in stead of the
proper location of "0000F0B9".

Any workaround or linker switch that I should be aware of?

AFAIK, this is a known issue with AVR Studio: it can't debug bootloaders. Best to ask Atmel directly to see if they have a fix for this yet.

Is there any tool for debugging bootloader code?

Thank you for any pointer,

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