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Re: [Tinycc-devel] PE target: shorter function prologs

From: Rob Landley
Subject: Re: [Tinycc-devel] PE target: shorter function prologs
Date: Wed, 16 May 2007 20:04:29 -0400
User-agent: KMail/1.9.1

On Wednesday 16 May 2007 4:22 am, Zdenek Pavlas wrote:
> Hello everybody,
> Because of Windows' draconic handling of page faults 'sub esp, 4096' is 
> a no-no.  Rare functions needing page or more of stack space must call 
> chkstk(stacksize) first.  TCC needs 10 bytes for such call while the 
> standard function prolog was only 9 so it pads them to 10 bytes.
> This patch uses a shorter chkstk() calling convention that fits in 9 
> bytes so no more padding.  Please check and apply if ok.



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