108 lines
3.7 KiB
C
108 lines
3.7 KiB
C
/* $NetBSD: linux_machdep.h,v 1.2 2000/03/18 23:40:56 erh Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Eric Haszlakiewicz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ALPHA_LINUX_MACHDEP_H
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#define _ALPHA_LINUX_MACHDEP_H
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/*
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* The Linux sigcontext, pretty much a standard alpha trapframe.
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*/
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struct linux_sigcontext {
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long sc_onstack;
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long sc_mask;
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long sc_pc;
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long sc_ps;
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long sc_regs[32];
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long sc_ownedfp;
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long sc_fpregs[32];
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unsigned long sc_fpcr;
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unsigned long sc_fp_control;
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unsigned long sc_reserved1, sc_reserved2;
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unsigned long sc_ssize;
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char * sc_sbase;
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unsigned long sc_traparg_a0;
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unsigned long sc_traparg_a1;
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unsigned long sc_traparg_a2;
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unsigned long sc_fp_trap_pc;
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unsigned long sc_fp_trigger_sum;
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unsigned long sc_fp_trigger_inst;
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};
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struct linux_ucontext {
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u_long uc_flags;
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struct linux_ucontext *uc_link;
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linux_old_sigset_t uc_osf_sigmask;
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linux_stack_t uc_stack;
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struct linux_sigcontext uc_mcontext;
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linux_sigset_t uc_sigmask;
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};
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/*
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* We make the stack look like Linux expects it when calling a signal
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* handler, but use the BSD way of calling the handler and sigreturn().
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*/
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#define LINUX_INSN_MOV_R30_R16 0x47fe0410
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#define LINUX_INSN_LDI_R0 0x201f0000
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#define LINUX_INSN_CALLSYS 0x00000083
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struct linux_sigframe {
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struct linux_sigcontext sf_sc;
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unsigned long extramask[LINUX__NSIG_WORDS-1];
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unsigned int retcode[3];
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};
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struct linux_rt_sigframe {
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struct linux_siginfo info;
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struct linux_ucontext uc;
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unsigned int retcode[3];
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};
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#ifdef _KERNEL
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__BEGIN_DECLS
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void setup_linux_rt_sigframe __P((struct trapframe *, int, sigset_t *));
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void setup_linux_sigframe __P((struct trapframe *, int, sigset_t *));
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int linux_restore_sigcontext __P((struct proc *, struct linux_sigcontext,
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sigset_t *));
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void linux_sendsig __P((sig_t, int, sigset_t *, u_long));
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dev_t linux_fakedev __P((dev_t));
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* _ALPHA_LINUX_MACHDEP_H */
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