28c28
< * $FreeBSD: head/sys/amd64/include/sigframe.h 51792 1999-09-29 15:06:27Z marcel $
---
> * $FreeBSD: head/sys/amd64/include/sigframe.h 51907 1999-10-03 12:55:58Z marcel $
32c32
< #define _MACHINE_SIGFRAME_H_ 1
---
> #define _MACHINE_SIGFRAME_H_
33a34,37
> /*
> * Signal frames, arguments passed to application signal handlers.
> */
>
71c75,78
< * The first three members may be used by applications.
---
> * The first four members may be used by applications.
> * NOTE: The 4th argument is undocumented, ill commented
> * on and seems to be somewhat BSD "standard".
> * Handlers installed with sigvec may be using it.
76c83,84
< register_t __spare__; /* Align sf_ahu */
---
> char *sf_addr; /* undocumented 4th arg */
>
86c94
< #endif /* _MACHINE_SIGFRAME_H_ */
---
> #endif /* !_MACHINE_SIGFRAME_H_ */