diff options
Diffstat (limited to 'sys/arch/powerpc/include/signal.h')
| -rw-r--r-- | sys/arch/powerpc/include/signal.h | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/sys/arch/powerpc/include/signal.h b/sys/arch/powerpc/include/signal.h index 7f573209ac3..3c629efde6c 100644 --- a/sys/arch/powerpc/include/signal.h +++ b/sys/arch/powerpc/include/signal.h @@ -1,3 +1,4 @@ +/* $OpenBSD: signal.h,v 1.2 1997/02/05 01:33:53 rahnds Exp $ */ /* $NetBSD: signal.h,v 1.1 1996/09/30 16:34:34 ws Exp $ */ /* @@ -33,19 +34,34 @@ #ifndef _MACHINE_SIGNAL_H_ #define _MACHINE_SIGNAL_H_ -#include <machine/frame.h> - typedef int sig_atomic_t; +/* + * We have to save all registers on every trap, because + * 1. user could attach this process every time + * 2. we must be able to restore all user registers in case of fork + * Actually, we do not save the fp registers on trap, since + * these are not used by the kernel. They are saved only when switching + * between processes using the FPU. + * + * Change ordering to cluster together these register_t's. XXX + */ +struct trapframe { + register_t fixreg[32]; + register_t lr; + int cr; + int xer; + register_t ctr; + register_t srr0; + register_t srr1; + register_t dar; /* dar & dsisr are only filled on a DSI trap */ + int dsisr; + int exc; +}; + struct sigcontext { int sc_onstack; /* saved onstack flag */ int sc_mask; /* saved signal mask */ struct trapframe sc_frame; /* saved registers */ }; - -struct sigframe { - int sf_signum; - int sf_code; - struct sigcontext sf_sc; -}; #endif /* _MACHINE_SIGNAL_H_ */ |