mcontext.h revision 1.2.2.3
1 1.2.2.3 skrll /* $NetBSD: mcontext.h,v 1.2.2.3 2004/09/21 13:21:25 skrll Exp $ */ 2 1.2 thorpej 3 1.2 thorpej /*- 4 1.2 thorpej * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.2 thorpej * All rights reserved. 6 1.2 thorpej * 7 1.2 thorpej * This code is derived from software contributed to The NetBSD Foundation 8 1.2 thorpej * by Klaus Klein. 9 1.2 thorpej * 10 1.2 thorpej * Redistribution and use in source and binary forms, with or without 11 1.2 thorpej * modification, are permitted provided that the following conditions 12 1.2 thorpej * are met: 13 1.2 thorpej * 1. Redistributions of source code must retain the above copyright 14 1.2 thorpej * notice, this list of conditions and the following disclaimer. 15 1.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 thorpej * notice, this list of conditions and the following disclaimer in the 17 1.2 thorpej * documentation and/or other materials provided with the distribution. 18 1.2 thorpej * 3. All advertising materials mentioning features or use of this software 19 1.2 thorpej * must display the following acknowledgement: 20 1.2 thorpej * This product includes software developed by the NetBSD 21 1.2 thorpej * Foundation, Inc. and its contributors. 22 1.2 thorpej * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2 thorpej * contributors may be used to endorse or promote products derived 24 1.2 thorpej * from this software without specific prior written permission. 25 1.2 thorpej * 26 1.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2 thorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2 thorpej * POSSIBILITY OF SUCH DAMAGE. 37 1.2 thorpej */ 38 1.2 thorpej 39 1.2 thorpej #ifndef _SH3_MCONTEXT_H_ 40 1.2 thorpej #define _SH3_MCONTEXT_H_ 41 1.2 thorpej 42 1.2 thorpej /* 43 1.2 thorpej * Layout of mcontext_t for the sh3 architecture. 44 1.2 thorpej */ 45 1.2 thorpej 46 1.2 thorpej #define _NGREG 22 47 1.2 thorpej typedef int __greg_t; 48 1.2 thorpej typedef __greg_t __gregset_t[_NGREG]; 49 1.2 thorpej 50 1.2 thorpej #define _REG_EXPEVT 0 51 1.2 thorpej #define _REG_PC 1 52 1.2 thorpej #define _REG_SR 2 53 1.2 thorpej #define _REG_MACL 3 54 1.2 thorpej #define _REG_MACH 4 55 1.2 thorpej #define _REG_PR 5 56 1.2 thorpej #define _REG_R14 6 57 1.2 thorpej #define _REG_R13 7 58 1.2 thorpej #define _REG_R12 8 59 1.2 thorpej #define _REG_R11 9 60 1.2 thorpej #define _REG_R10 10 61 1.2 thorpej #define _REG_R9 11 62 1.2 thorpej #define _REG_R8 12 63 1.2 thorpej #define _REG_R7 13 64 1.2 thorpej #define _REG_R6 14 65 1.2 thorpej #define _REG_R5 15 66 1.2 thorpej #define _REG_R4 16 67 1.2 thorpej #define _REG_R3 17 68 1.2 thorpej #define _REG_R2 18 69 1.2 thorpej #define _REG_R1 19 70 1.2 thorpej #define _REG_R0 20 71 1.2 thorpej #define _REG_R15 21 72 1.2 thorpej /* Convenience synonym */ 73 1.2 thorpej #define _REG_SP _REG_R15 74 1.2 thorpej 75 1.2.2.1 skrll /* 76 1.2.2.1 skrll * FPU state description. 77 1.2.2.1 skrll * XXX: kernel doesn't support FPU yet, so this is just a placeholder. 78 1.2.2.1 skrll */ 79 1.2 thorpej typedef struct { 80 1.2 thorpej int __fpr_fpscr; 81 1.2.2.1 skrll int __fpr_fpul; 82 1.2.2.1 skrll /* XXX: redefine as a union when we do support FPU */ 83 1.2.2.1 skrll int __fpr_regs[32]; /* SH3E has 16, SH4 has 32 */ 84 1.2 thorpej } __fpregset_t; 85 1.2 thorpej 86 1.2 thorpej typedef struct { 87 1.2 thorpej __gregset_t __gregs; 88 1.2 thorpej __fpregset_t __fpregs; 89 1.2 thorpej } mcontext_t; 90 1.2 thorpej 91 1.2 thorpej #define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP]) 92 1.2.2.1 skrll #define _UC_MACHINE_PC(uc) ((uc)->uc_mcontext.__gregs[_REG_PC]) 93 1.2.2.1 skrll #define _UC_MACHINE_INTRV(uc) ((uc)->uc_mcontext.__gregs[_REG_R0]) 94 1.2.2.1 skrll 95 1.2.2.1 skrll #define _UC_MACHINE_SET_PC(uc, pc) _UC_MACHINE_PC(uc) = (pc) 96 1.2.2.1 skrll 97 1.2.2.1 skrll /* 98 1.2.2.1 skrll * Machine dependent uc_flags 99 1.2.2.1 skrll */ 100 1.2.2.1 skrll #define _UC_SETSTACK 0x10000 101 1.2.2.1 skrll #define _UC_CLRSTACK 0x20000 102 1.2.2.1 skrll 103 1.2 thorpej 104 1.2 thorpej #endif /* !_SH3_MCONTEXT_H_ */ 105
Indexes created Sun Oct 19 02:09:48 GMT 2025