2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2020 The FreeBSD Foundation
6 * This software was developed by Mitchell Horne under sponsorship from
7 * the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #ifndef _MACHINE_GDB_MACHDEP_H_
32 #define _MACHINE_GDB_MACHDEP_H_
34 #define GDB_BUFSZ 4096
37 #define GDB_REG_X29 29
41 #define GDB_REG_CSPR 33
43 #define GDB_REG_V31 65
44 #define GDB_REG_FPSR 66
45 #define GDB_REG_FPCR 67
46 _Static_assert(GDB_BUFSZ >= (GDB_NREGS * 16), "buffer fits 'g' regs");
48 static __inline size_t
49 gdb_cpu_regsz(int regnum)
51 if (regnum == GDB_REG_CSPR || regnum == GDB_REG_FPSR ||
52 regnum == GDB_REG_FPCR)
54 else if (regnum >= GDB_REG_V0 && regnum <= GDB_REG_V31)
66 static __inline void *
73 gdb_end_write(void *arg __unused)
77 void *gdb_cpu_getreg(int, size_t *);
78 void gdb_cpu_setreg(int, void *);
79 int gdb_cpu_signal(int, int);
80 void gdb_cpu_stop_reason(int, int);
82 #endif /* !_MACHINE_GDB_MACHDEP_H_ */