1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2006 Olivier Houchard 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _MACHINE_GDB_MACHDEP_H_ 32 #define _MACHINE_GDB_MACHDEP_H_ 33 34 #define GDB_BUFSZ 400 35 #define GDB_NREGS 26 36 #define GDB_REG_SP 13 37 #define GDB_REG_LR 14 38 #define GDB_REG_PC 15 39 40 static __inline size_t 41 gdb_cpu_regsz(int regnum) 42 { 43 /* 44 * GDB expects the FPA registers f0-f7, each 96 bits wide, to be placed 45 * in between the PC and CSPR in response to a "g" packet. 46 */ 47 return (regnum >= 16 && regnum <= 23 ? 12 : sizeof(int)); 48 } 49 50 static __inline int 51 gdb_cpu_query(void) 52 { 53 return (0); 54 } 55 56 static __inline void * 57 gdb_begin_write(void) 58 { 59 60 return (NULL); 61 } 62 63 static __inline void 64 gdb_end_write(void *arg __unused) 65 { 66 67 } 68 69 static __inline void 70 gdb_cpu_stop_reason(int type __unused, int code __unused) 71 { 72 73 } 74 75 void *gdb_cpu_getreg(int, size_t *); 76 void gdb_cpu_setreg(int, void *); 77 int gdb_cpu_signal(int, int); 78 79 #endif /* !_MACHINE_GDB_MACHDEP_H_ */ 80