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 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_ */ 110