2 * Copyright (c) 2003 Peter Wemm.
3 * Copyright (c) 1986, 1989, 1991, 1993
4 * The Regents of the University of California. All rights reserved.
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30 * @(#)signal.h 8.1 (Berkeley) 6/11/93
34 #ifndef _MACHINE_SIGNAL_H_
35 #define _MACHINE_SIGNAL_H_
37 #include <sys/cdefs.h>
38 #include <sys/_sigset.h>
41 * Machine-dependent signal definitions
44 typedef long sig_atomic_t;
47 #include <machine/trap.h> /* codes for SIGILL, SIGFPE */
50 * Only the kernel should need these old type definitions.
53 * Information pushed on stack when a signal is delivered.
54 * This is used by the kernel to restore state following
55 * execution of the signal handler. It is also made available
56 * to the handler to allow it to restore state properly if
57 * a non-standard exit is performed.
60 * The sequence of the fields/registers in struct sigcontext should match
61 * those in mcontext_t.
64 struct __sigset sc_mask; /* signal mask to restore */
65 long sc_onstack; /* sigstack state to restore */
66 long sc_rdi; /* machine state (struct trapframe) */
94 long sc_len; /* sizeof(mcontext_t) */
96 * XXX - See <machine/ucontext.h> and <machine/fpu.h> for
97 * the following fields.
101 long sc_fpstate[64] __aligned(16);
108 #endif /* __BSD_VISIBLE */
110 #endif /* !_MACHINE_SIGNAL_H_ */