/* $NetBSD: frame.h,v 1.8 2005/12/11 12:16:47 christos Exp $ */ | |
/* | |
* Copyright (c) 1994-1997 Mark Brinicombe. | |
* Copyright (c) 1994 Brini. | |
* All rights reserved. | |
* | |
* This code is derived from software written for Brini by Mark Brinicombe | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* 3. All advertising materials mentioning features or use of this software | |
* must display the following acknowledgement: | |
* This product includes software developed by Brini. | |
* 4. The name of the company nor the name of the author may be used to | |
* endorse or promote products derived from this software without specific | |
* prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
* SUCH DAMAGE. | |
*/ | |
/* | |
* arm/frame.h - Stack frames structures common to arm26 and arm32 | |
*/ | |
#ifndef _ARM_FRAME_H_ | |
#define _ARM_FRAME_H_ | |
#ifndef _LOCORE | |
#include <sys/signal.h> | |
#include <sys/sa.h> | |
#include <sys/ucontext.h> | |
/* | |
* Trap frame. Pushed onto the kernel stack on a trap (synchronous exception). | |
*/ | |
typedef struct trapframe { | |
register_t tf_spsr; /* Zero on arm26 */ | |
register_t tf_r0; | |
register_t tf_r1; | |
register_t tf_r2; | |
register_t tf_r3; | |
register_t tf_r4; | |
register_t tf_r5; | |
register_t tf_r6; | |
register_t tf_r7; | |
register_t tf_r8; | |
register_t tf_r9; | |
register_t tf_r10; | |
register_t tf_r11; | |
register_t tf_r12; | |
register_t tf_usr_sp; | |
register_t tf_usr_lr; | |
register_t tf_svc_sp; /* Not used on arm26 */ | |
register_t tf_svc_lr; /* Not used on arm26 */ | |
register_t tf_pc; | |
} trapframe_t; | |
/* Register numbers */ | |
#define tf_r13 tf_usr_sp | |
#define tf_r14 tf_usr_lr | |
#define tf_r15 tf_pc | |
/* | |
* Signal frame. Pushed onto user stack before calling sigcode. | |
*/ | |
#ifdef COMPAT_16 | |
struct sigframe_sigcontext { | |
struct sigcontext sf_sc; | |
}; | |
#endif | |
/* the pointers are use in the trampoline code to locate the ucontext */ | |
struct sigframe_siginfo { | |
siginfo_t sf_si; /* actual saved siginfo */ | |
ucontext_t sf_uc; /* actual saved ucontext */ | |
}; | |
/* | |
* Scheduler activations upcall frame. Pushed onto user stack before | |
* calling an SA upcall. | |
*/ | |
struct saframe { | |
#if 0 /* in registers on entry to upcall */ | |
int sa_type; | |
struct sa_t ** sa_sas; | |
int sa_events; | |
int sa_interrupted; | |
#endif | |
void * sa_arg; | |
}; | |
#ifdef _KERNEL | |
__BEGIN_DECLS | |
void sendsig_sigcontext(const ksiginfo_t *, const sigset_t *); | |
void *getframe(struct lwp *, int, int *); | |
__END_DECLS | |
#define process_frame(l) ((l)->l_addr->u_pcb.pcb_tf) | |
#endif | |
#endif /* _LOCORE */ | |
#endif /* _ARM_FRAME_H_ */ | |
/* End of frame.h */ |