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Re: makecontext and its arguments

Ulrich Drepper <drepper@redhat.com> writes:

|> Andreas Jaeger wrote:
|> > That interpretation of long causes problems for x86-64 since ints are
|> > not sign extented when passed in varargs...
|> 
|> How about fixing this mistake in the compiler with a function attribute?

???  There is no way to find out the right type in va_arg.  Either the
types match, or you get undefined behaviour.  If you pass an int and
retrieve it as a long all bets are off.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg
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