116 lines
3.6 KiB
C
116 lines
3.6 KiB
C
/* $NetBSD: frame.h,v 1.17 2012/08/16 17:35:01 matt Exp $ */
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/*
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* Copyright (c) 1994-1997 Mark Brinicombe.
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* Copyright (c) 1994 Brini.
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* All rights reserved.
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*
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* This code is derived from software written for Brini by Mark Brinicombe
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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 Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* arm/frame.h - Stack frames structures common to arm26 and arm32
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*/
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#ifndef _ARM_FRAME_H_
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#define _ARM_FRAME_H_
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#ifndef _LOCORE
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#include <sys/signal.h>
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#include <sys/ucontext.h>
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/*
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* Trap frame. Pushed onto the kernel stack on a trap (synchronous exception).
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*/
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typedef struct trapframe {
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register_t tf_spsr; /* Zero on arm26 */
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register_t tf_fill; /* fill here so r0 will dword aligned */
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register_t tf_r0;
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register_t tf_r1;
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register_t tf_r2;
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register_t tf_r3;
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register_t tf_r4;
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register_t tf_r5;
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register_t tf_r6;
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register_t tf_r7;
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register_t tf_r8;
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register_t tf_r9;
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register_t tf_r10;
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register_t tf_r11;
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register_t tf_r12;
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register_t tf_usr_sp;
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register_t tf_usr_lr;
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register_t tf_svc_sp; /* Not used on arm26 */
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register_t tf_svc_lr; /* Not used on arm26 */
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register_t tf_pc;
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} trapframe_t;
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/* Register numbers */
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#define tf_ip tf_r12
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#define tf_r13 tf_usr_sp
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#define tf_r14 tf_usr_lr
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#define tf_r15 tf_pc
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#ifdef __PROG32
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#define TRAP_USERMODE(tf) (((tf)->tf_spsr & PSR_MODE) == PSR_USR32_MODE)
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#elif defined(__PROG26)
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#define TRAP_USERMODE(tf) (((tf)->tf_r15 & R15_MODE) == R15_MODE_USR)
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#endif
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/*
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* Signal frame. Pushed onto user stack before calling sigcode.
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*/
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#ifdef COMPAT_16
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struct sigframe_sigcontext {
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struct sigcontext sf_sc;
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};
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#endif
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/* the pointers are use in the trampoline code to locate the ucontext */
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struct sigframe_siginfo {
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siginfo_t sf_si; /* actual saved siginfo */
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ucontext_t sf_uc; /* actual saved ucontext */
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};
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#ifdef _KERNEL
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__BEGIN_DECLS
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void sendsig_sigcontext(const ksiginfo_t *, const sigset_t *);
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void *getframe(struct lwp *, int, int *);
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__END_DECLS
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#define lwp_trapframe(l) ((l)->l_md.md_tf)
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#define lwp_settrapframe(l, tf) ((l)->l_md.md_tf = (tf))
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#endif
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#endif /* _LOCORE */
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#endif /* _ARM_FRAME_H_ */
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/* End of frame.h */
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