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 * $FreeBSD$ 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 int gdb_listening; 35 void gdb_consinit(void); 36 37 extern char *gdb_rxp; 38 extern size_t gdb_rxsz; 39 extern char *gdb_txp; 40 41 int gdb_rx_begin(void); 42 int gdb_rx_equal(const char *); 43 int gdb_rx_mem(unsigned char *, size_t); 44 int gdb_rx_varhex(uintmax_t *); 45 46 static __inline int 47 gdb_rx_char(void) 48 { 49 int c; 50 51 if (gdb_rxsz > 0) { 52 c = *gdb_rxp++; 53 gdb_rxsz--; 54 } else 55 c = -1; 56 return (c); 57 } 58 59 void gdb_tx_begin(char); 60 int gdb_tx_end(void); 61 int gdb_tx_mem(const unsigned char *, size_t); 62 void gdb_tx_reg(int); 63 int gdb_rx_bindata(unsigned char *data, size_t datalen, size_t *amt); 64 int gdb_search_mem(const unsigned char *addr, size_t size, 65 const unsigned char *pat, size_t patlen, const unsigned char **found); 66 67 static __inline void 68 gdb_tx_char(char c) 69 { 70 *gdb_txp++ = c; 71 } 72 73 static __inline int 74 gdb_tx_empty(void) 75 { 76 gdb_tx_begin('\0'); 77 return (gdb_tx_end()); 78 } 79 80 static __inline void 81 gdb_tx_hex(uintmax_t n, int sz) 82 { 83 gdb_txp += sprintf(gdb_txp, "%0*jx", sz, n); 84 } 85 86 static __inline int 87 gdb_tx_err(int err) 88 { 89 gdb_tx_begin('E'); 90 gdb_tx_hex(err, 2); 91 return (gdb_tx_end()); 92 } 93 94 static __inline int 95 gdb_tx_ok(void) 96 { 97 gdb_tx_begin('O'); 98 gdb_tx_char('K'); 99 return (gdb_tx_end()); 100 } 101 102 static __inline void 103 gdb_tx_str(const char *s) 104 { 105 while (*s) 106 *gdb_txp++ = *s++; 107 } 108 109 static __inline void 110 gdb_tx_varhex(uintmax_t n) 111 { 112 gdb_txp += sprintf(gdb_txp, "%jx", n); 113 } 114 115 #endif /* !_GDB_GDB_INT_H_ */ 116