1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2004 Marcel Moolenaar 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31#ifndef _GDB_GDB_INT_H_ 32#define _GDB_GDB_INT_H_ 33 34extern struct gdb_dbgport *gdb_cur; 35 36extern int gdb_listening; 37void gdb_consinit(void); 38 39extern char *gdb_rxp; 40extern size_t gdb_rxsz; 41extern char *gdb_txp; 42 43int gdb_rx_begin(void); 44int gdb_rx_equal(const char *); 45int gdb_rx_mem(unsigned char *, size_t); 46int gdb_rx_varhex(uintmax_t *); 47 48static __inline int 49gdb_rx_char(void) 50{ 51 int c; 52 53 if (gdb_rxsz > 0) { 54 c = *gdb_rxp++; 55 gdb_rxsz--; 56 } else 57 c = -1; 58 return (c); 59} 60 61void gdb_tx_begin(char); 62int gdb_tx_end(void); 63int gdb_tx_mem(const unsigned char *, size_t); 64void gdb_tx_reg(int); 65int gdb_rx_bindata(unsigned char *data, size_t datalen, size_t *amt); 66int gdb_search_mem(const unsigned char *addr, size_t size, 67 const unsigned char *pat, size_t patlen, const unsigned char **found); 68 69static __inline void 70gdb_tx_char(char c) 71{ 72 *gdb_txp++ = c; 73} 74 75static __inline int 76gdb_tx_empty(void) 77{ 78 gdb_tx_begin('\0'); 79 return (gdb_tx_end()); 80} 81 82static __inline void 83gdb_tx_hex(uintmax_t n, int sz) 84{ 85 gdb_txp += sprintf(gdb_txp, "%0*jx", sz, n); 86} 87 88static __inline int 89gdb_tx_err(int err) 90{ 91 gdb_tx_begin('E'); 92 gdb_tx_hex(err, 2); 93 return (gdb_tx_end()); 94} 95 96static __inline int 97gdb_tx_ok(void) 98{ 99 gdb_tx_begin('O'); 100 gdb_tx_char('K'); 101 return (gdb_tx_end()); 102} 103 104static __inline void 105gdb_tx_str(const char *s) 106{ 107 while (*s) 108 *gdb_txp++ = *s++; 109} 110 111static __inline void 112gdb_tx_varhex(uintmax_t n) 113{ 114 gdb_txp += sprintf(gdb_txp, "%jx", n); 115} 116 117#endif /* !_GDB_GDB_INT_H_ */ 118