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Add __attribute__ ((returns_twice)) to the

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ia64_getcontext prototype so that gcc will make the right
arrangements and avoid an illegal instruction during
call-with-current-continuation.
This commit is contained in:
Rob Browning 2006-07-19 06:44:30 +00:00
parent 71aa2c6c7b
commit 5121c02c00
1 changed files with 4 additions and 0 deletions
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4
libguile/continuations.c
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@ -101,6 +101,10 @@ struct rv
long retval;
long first_return;
};
#ifdef __GNUC__
__attribute__ ((returns_twice))
#endif /* __GNUC__ */
extern struct rv ia64_getcontext (ucontext_t *) __asm__ ("getcontext");
#endif /* __ia64__ */