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RE: [avr-gcc-list] Data section and stack

From: Sebastien Chretien
Subject: RE: [avr-gcc-list] Data section and stack
Date: Thu, 13 Jan 2011 12:33:52 +0100

Guten Tag Wunch ^^,
Thank you very much for your help.
Your second solution is very interesting. I am going to use it.

Best regards,

-----Message d'origine-----
De : Joerg Wunsch [mailto:address@hidden 
Envoyé : mercredi 12 janvier 2011 20:09
À : address@hidden
Cc : Sebastien Chretien
Objet : Re: [avr-gcc-list] Data section and stack

Salut Sebastien,

please, better subscribe to the list in order to not miss replies.

"Sebastien Chretien" <address@hidden> wrote:

> Is there a way to know if stack pointer is entering in data section ?

You can read out the stack pointer, and compare it against the symbol
_end which is provided by the linker and marks the last allocated SRAM

While developing, you might monitor the stack usage by initially
filling up all SRAM with a known pattern, and then observe the amount
of stack that overwrites this pattern, e.g. using JTAG debugging.

cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)

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