crt0 formalization

[Jeff Johnston]

<resent due to sources.redhat.com rejecting my original reply message 
due to the fact it included the original patch and thereby exceeded a 
size constraint>

Is it fair to say no one has objections to this patch?  I will check it 
in later today unless I hear otherwise.

-- Jeff J.

jschopp wrote:
> In our recent SDK 2.0 and in patches being submitting for FSF gcc there 
> are some changes to crt0.  The attached patch has been extensively 
> tested as part of our SDK.  Everything works as expected.  The only 
> minor regression is that it pulls in atexit(), which in turn pulls in 
> malloc().  This works fine but takes up space, which is precious on this 
> platform.  Previous discussions on this list have sent some patches with 
> resolve the problem of pulling in malloc.
> 
> In my opinion the attached patch should be committed.
> 
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