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From: "A. Sinan Unur" <asu1 AT cornell DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Help with extended inline asm (or I'm stupid)
Date: 28 Feb 2002 17:35:39 GMT
Organization: Cornell University
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luisllo AT alumni DOT uv DOT es (Luis) wrote in 
news:6124b64f DOT 0202280857 DOT 5d8c4dda AT posting DOT google DOT com:

> Hi all!
> 
> I need to save the fpu state in order to be able to make a context
> switch, in a multi-thread package I'm writting. I know how to do it in
> assembler with a small function

i cannot say whether this is correct or not cause i know nothing about 
this topic. however, see below.

<snip>

> void main(void)

there is no such thing as void main. don't argue. read the comp.lang.c 
FAQ. thanks.

> {
>     char buffer[108];
> 
>     obt_flags(buffer);
>     printf("%s\n",buffer);
> }
> 
> It compiles fine, but when executing it crashes with a sigsev FAULT,
> when executing the print instruction.

i seriously doubt that the FPU state is a null-terminated array of char.

Sinan.