FreeBSD/Linux Kernel Cross Reference
sys/gdb/gdb_int.h

     /*-
      * Copyright (c) 2004 Marcel Moolenaar
      * 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: releng/11.2/sys/gdb/gdb_int.h 271173 2014-09-05 16:40:47Z benno $
     */
    
    #ifndef _GDB_GDB_INT_H_
    #define _GDB_GDB_INT_H_
    
    extern struct gdb_dbgport *gdb_cur;
    
    extern int gdb_listening;
    void gdb_consinit(void);
    
    extern char *gdb_rxp;
    extern size_t gdb_rxsz;
    extern char *gdb_txp;
    
    int gdb_rx_begin(void);
    int gdb_rx_equal(const char *);
    int gdb_rx_mem(unsigned char *, size_t);
    int gdb_rx_varhex(uintmax_t *);
    
    static __inline int
    gdb_rx_char(void)
    {
            int c;
    
            if (gdb_rxsz > 0) {
                    c = *gdb_rxp++;
                    gdb_rxsz--;
            } else
                    c = -1;
            return (c);
    }
    
    void gdb_tx_begin(char);
    int gdb_tx_end(void);
    int gdb_tx_mem(const unsigned char *, size_t);
    void gdb_tx_reg(int);
    int gdb_rx_bindata(unsigned char *data, size_t datalen, size_t *amt);
    int gdb_search_mem(const unsigned char *addr, size_t size,
        const unsigned char *pat, size_t patlen, const unsigned char **found);
    
    static __inline void
    gdb_tx_char(char c)
    {
            *gdb_txp++ = c;
    }
    
    static __inline int
    gdb_tx_empty(void)
    {
            gdb_tx_begin('\0');
            return (gdb_tx_end());
    }
    
    static __inline void
    gdb_tx_hex(uintmax_t n, int sz)
    {
            gdb_txp += sprintf(gdb_txp, "%0*jx", sz, n);
    }
    
    static __inline int
    gdb_tx_err(int err)
    {
            gdb_tx_begin('E');
            gdb_tx_hex(err, 2);
            return (gdb_tx_end());
    }
    
    static __inline int
    gdb_tx_ok(void)
    {
            gdb_tx_begin('O');
            gdb_tx_char('K');
            return (gdb_tx_end());
   }
   
   static __inline void
   gdb_tx_str(const char *s)
   {
           while (*s)
                   *gdb_txp++ = *s++;
   }
   
   static __inline void
   gdb_tx_varhex(uintmax_t n)
   {
           gdb_txp += sprintf(gdb_txp, "%jx", n);
   }
   
   #endif /* !_GDB_GDB_INT_H_ */

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