a92526f3f1
Modern ARM systems do not have an FPA unit but GDB reserves register indices for FPA registers and expects the stub to know their sizes. PR: 251022 Submitted by: Dmitry Salychev <dsl@mcusim.org> MFC after: 2 weeks
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2006 Olivier Houchard
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_GDB_MACHDEP_H_
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#define _MACHINE_GDB_MACHDEP_H_
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#define GDB_BUFSZ 400
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#define GDB_NREGS 26
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#define GDB_REG_PC 15
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static __inline size_t
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gdb_cpu_regsz(int regnum)
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{
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/*
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* GDB expects the FPA registers f0-f7, each 96 bits wide, to be placed
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* in between the PC and CSPR in response to a "g" packet.
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*/
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return (regnum >= 16 && regnum <= 23 ? 12 : sizeof(int));
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}
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static __inline int
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gdb_cpu_query(void)
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{
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return (0);
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}
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static __inline void *
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gdb_begin_write(void)
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{
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return (NULL);
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}
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static __inline void
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gdb_end_write(void *arg __unused)
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{
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}
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void *gdb_cpu_getreg(int, size_t *);
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void gdb_cpu_setreg(int, void *);
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int gdb_cpu_signal(int, int);
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#endif /* !_MACHINE_GDB_MACHDEP_H_ */
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