gdb_int.h

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    1 /*-
    2  * Copyright (c) 2004 Marcel Moolenaar
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  *
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/6.0/sys/gdb/gdb_int.h 139778 2005-01-06 18:27:30Z imp $
   27  */
   28 
   29 #ifndef _GDB_GDB_INT_H_
   30 #define _GDB_GDB_INT_H_
   31 
   32 extern struct gdb_dbgport *gdb_cur;
   33 
   34 extern char *gdb_rxp;
   35 extern size_t gdb_rxsz;
   36 extern char *gdb_txp;
   37 
   38 int gdb_rx_begin(void);
   39 int gdb_rx_equal(const char *);
   40 int gdb_rx_mem(unsigned char *, size_t);
   41 int gdb_rx_varhex(uintmax_t *);
   42 
   43 static __inline int
   44 gdb_rx_char(void)
   45 {
   46         int c;
   47 
   48         if (gdb_rxsz > 0) {
   49                 c = *gdb_rxp++;
   50                 gdb_rxsz--;
   51         } else
   52                 c = -1;
   53         return (c);
   54 }
   55 
   56 void gdb_tx_begin(char);
   57 int gdb_tx_end(void);
   58 int gdb_tx_mem(const unsigned char *, size_t);
   59 void gdb_tx_reg(int);
   60 
   61 static __inline void
   62 gdb_tx_char(char c)
   63 {
   64         *gdb_txp++ = c;
   65 }
   66 
   67 static __inline int
   68 gdb_tx_empty(void)
   69 {
   70         gdb_tx_begin('\0');
   71         return (gdb_tx_end());
   72 }
   73 
   74 static __inline void
   75 gdb_tx_hex(uintmax_t n, int sz)
   76 {
   77         gdb_txp += sprintf(gdb_txp, "%0*jx", sz, n);
   78 }
   79 
   80 static __inline int
   81 gdb_tx_err(int err)
   82 {
   83         gdb_tx_begin('E');
   84         gdb_tx_hex(err, 2);
   85         return (gdb_tx_end());
   86 }
   87 
   88 static __inline int
   89 gdb_tx_ok(void)
   90 {
   91         gdb_tx_begin('O');
   92         gdb_tx_char('K');
   93         return (gdb_tx_end());
   94 }
   95 
   96 static __inline void
   97 gdb_tx_str(const char *s)
   98 {
   99         while (*s)
  100                 *gdb_txp++ = *s++;
  101 }
  102 
  103 static __inline void
  104 gdb_tx_varhex(uintmax_t n)
  105 {
  106         gdb_txp += sprintf(gdb_txp, "%jx", n);
  107 }
  108 
  109 #endif /* !_GDB_GDB_INT_H_ */

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

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