1 /* $NetBSD: frame.h,v 1.8 2005/12/11 12:16:47 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1994-1997 Mark Brinicombe. 5 * Copyright (c) 1994 Brini. 6 * All rights reserved. 7 * 8 * This code is derived from software written for Brini by Mark Brinicombe 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by Brini. 21 * 4. The name of the company nor the name of the author may be used to 22 * endorse or promote products derived from this software without specific 23 * prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 /* 38 * arm/frame.h - Stack frames structures common to arm26 and arm32 39 */ 40 41 #ifndef _ARM_FRAME_H_ 42 #define _ARM_FRAME_H_ 43 44 #ifndef _LOCORE 45 46 #include <sys/signal.h> 47 #include <sys/sa.h> 48 #include <sys/ucontext.h> 49 50 /* 51 * Trap frame. Pushed onto the kernel stack on a trap (synchronous exception). 52 */ 53 54 typedef struct trapframe { 55 register_t tf_spsr; /* Zero on arm26 */ 56 register_t tf_r0; 57 register_t tf_r1; 58 register_t tf_r2; 59 register_t tf_r3; 60 register_t tf_r4; 61 register_t tf_r5; 62 register_t tf_r6; 63 register_t tf_r7; 64 register_t tf_r8; 65 register_t tf_r9; 66 register_t tf_r10; 67 register_t tf_r11; 68 register_t tf_r12; 69 register_t tf_usr_sp; 70 register_t tf_usr_lr; 71 register_t tf_svc_sp; /* Not used on arm26 */ 72 register_t tf_svc_lr; /* Not used on arm26 */ 73 register_t tf_pc; 74 } trapframe_t; 75 76 /* Register numbers */ 77 #define tf_r13 tf_usr_sp 78 #define tf_r14 tf_usr_lr 79 #define tf_r15 tf_pc 80 81 /* 82 * Signal frame. Pushed onto user stack before calling sigcode. 83 */ 84 #ifdef COMPAT_16 85 struct sigframe_sigcontext { 86 struct sigcontext sf_sc; 87 }; 88 #endif 89 90 /* the pointers are use in the trampoline code to locate the ucontext */ 91 struct sigframe_siginfo { 92 siginfo_t sf_si; /* actual saved siginfo */ 93 ucontext_t sf_uc; /* actual saved ucontext */ 94 }; 95 96 /* 97 * Scheduler activations upcall frame. Pushed onto user stack before 98 * calling an SA upcall. 99 */ 100 101 struct saframe { 102 #if 0 /* in registers on entry to upcall */ 103 int sa_type; 104 struct sa_t ** sa_sas; 105 int sa_events; 106 int sa_interrupted; 107 #endif 108 void * sa_arg; 109 }; 110 111 #ifdef _KERNEL 112 __BEGIN_DECLS 113 void sendsig_sigcontext(const ksiginfo_t *, const sigset_t *); 114 void *getframe(struct lwp *, int, int *); 115 __END_DECLS 116 #define process_frame(l) ((l)->l_addr->u_pcb.pcb_tf) 117 #endif 118 119 #endif /* _LOCORE */ 120 121 #endif /* _ARM_FRAME_H_ */ 122 123 /* End of frame.h */ 124
