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Add __attribute__ ((returns_twice)) to the ia64_getcontext prototype

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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 06:20:05 +00:00
parent d17b254606
commit ff0ce31c65
1 changed files with 4 additions and 0 deletions
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4
libguile/continuations.c
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@ -120,6 +120,10 @@ struct rv
long retval; long retval;
long first_return; long first_return;
}; };
#ifdef __GNUC__
__attribute__ ((returns_twice))
#endif /* __GNUC__ */
extern struct rv ia64_getcontext (ucontext_t *) __asm__ ("getcontext"); extern struct rv ia64_getcontext (ucontext_t *) __asm__ ("getcontext");
#endif /* __ia64__ */ #endif /* __ia64__ */