FreeBSD/Linux Kernel Cross Reference
sys/arm/include/gdb_machdep.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2006 Olivier Houchard
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     *
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    #ifndef _MACHINE_GDB_MACHDEP_H_
    #define _MACHINE_GDB_MACHDEP_H_
    
    #define GDB_BUFSZ       400
    #define GDB_NREGS       26
    #define GDB_REG_SP      13
    #define GDB_REG_LR      14
    #define GDB_REG_PC      15
    
    static __inline size_t
    gdb_cpu_regsz(int regnum)
    {
            /*
             * GDB expects the FPA registers f0-f7, each 96 bits wide, to be placed
             * in between the PC and CSPR in response to a "g" packet.
             */
            return (regnum >= 16 && regnum <= 23 ? 12 : sizeof(int));
    }
    
    static __inline int
    gdb_cpu_query(void)
    {
            return (0);
    }
    
    static __inline void *
    gdb_begin_write(void)
    {
    
            return (NULL);
    }
    
    static __inline void
    gdb_end_write(void *arg __unused)
    {
    
    }
    
    static __inline void
    gdb_cpu_stop_reason(int type __unused, int code __unused)
    {
    
    }
    
    void *gdb_cpu_getreg(int, size_t *);
    void gdb_cpu_setreg(int, void *);
    int gdb_cpu_signal(int, int);
    
    #endif /* !_MACHINE_GDB_MACHDEP_H_ */

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