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 34 extern struct gdb_dbgport *gdb_cur; 35 36 extern int gdb_listening; 37 void gdb_consinit(void); 38 39 extern char *gdb_rxp; 40 extern size_t gdb_rxsz; 41 extern char *gdb_txp; 42 43 int gdb_rx_begin(void); 44 int gdb_rx_equal(const char *); 45 int gdb_rx_mem(unsigned char *, size_t); 46 int gdb_rx_varhex(uintmax_t *); 47 48 static __inline int 49 gdb_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 61 void gdb_tx_begin(char); 62 int gdb_tx_end(void); 63 int gdb_tx_mem(const unsigned char *, size_t); 64 void gdb_tx_reg(int); 65 int gdb_rx_bindata(unsigned char *data, size_t datalen, size_t *amt); 66 int gdb_search_mem(const unsigned char *addr, size_t size, 67 const unsigned char *pat, size_t patlen, const unsigned char **found); 68 69 static __inline void 70 gdb_tx_char(char c) 71 { 72 *gdb_txp++ = c; 73 } 74 75 static __inline int 76 gdb_tx_empty(void) 77 { 78 gdb_tx_begin('\0'); 79 return (gdb_tx_end()); 80 } 81 82 static __inline void 83 gdb_tx_hex(uintmax_t n, int sz) 84 { 85 gdb_txp += sprintf(gdb_txp, "%0*jx", sz, n); 86 } 87 88 static __inline int 89 gdb_tx_err(int err) 90 { 91 gdb_tx_begin('E'); 92 gdb_tx_hex(err, 2); 93 return (gdb_tx_end()); 94 } 95 96 static __inline int 97 gdb_tx_ok(void) 98 { 99 gdb_tx_begin('O'); 100 gdb_tx_char('K'); 101 return (gdb_tx_end()); 102 } 103 104 static __inline void 105 gdb_tx_str(const char *s) 106 { 107 while (*s) 108 *gdb_txp++ = *s++; 109 } 110 111 static __inline void 112 gdb_tx_varhex(uintmax_t n) 113 { 114 gdb_txp += sprintf(gdb_txp, "%jx", n); 115 } 116 117 #endif /* !_GDB_GDB_INT_H_ */ 118