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- /*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2004 Marcel Moolenaar
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
- */
- #ifndef _GDB_GDB_INT_H_
- #define _GDB_GDB_INT_H_
- #include "opt_ddb.h"
- #include <sys/sysctl.h>
- #ifdef DDB
- #include <ddb/ddb.h>
- #endif
- #ifndef EOF
- #define EOF (-1)
- #endif
- SYSCTL_DECL(_debug_gdb);
- extern struct gdb_dbgport *gdb_cur;
- extern int gdb_listening;
- void gdb_consinit(void);
- extern char *gdb_rxp;
- extern size_t gdb_rxsz;
- extern char *gdb_txp;
- extern bool gdb_ackmode;
- #ifdef DDB
- /* If set, return to DDB when controlling GDB detaches. */
- extern bool gdb_return_to_ddb;
- #endif
- int gdb_rx_begin(void);
- int gdb_rx_equal(const char *);
- int gdb_rx_mem(unsigned char *, size_t);
- int gdb_rx_varhex(uintmax_t *);
- static __inline int
- gdb_rx_char(void)
- {
- int c;
- if (gdb_rxsz > 0) {
- c = *gdb_rxp++;
- gdb_rxsz--;
- } else
- c = EOF;
- return (c);
- }
- void gdb_tx_begin(char);
- int gdb_tx_end(void);
- int gdb_tx_mem(const unsigned char *, size_t);
- void gdb_tx_reg(int);
- bool gdb_txbuf_has_capacity(size_t);
- int gdb_rx_bindata(unsigned char *data, size_t datalen, size_t *amt);
- int gdb_search_mem(const unsigned char *addr, size_t size,
- const unsigned char *pat, size_t patlen, const unsigned char **found);
- static __inline void
- gdb_tx_char(char c)
- {
- *gdb_txp++ = c;
- }
- static __inline int
- gdb_tx_empty(void)
- {
- gdb_tx_begin('\0');
- return (gdb_tx_end());
- }
- static __inline void
- gdb_tx_hex(uintmax_t n, int sz)
- {
- gdb_txp += sprintf(gdb_txp, "%0*jx", sz, n);
- }
- static __inline int
- gdb_tx_err(int err)
- {
- gdb_tx_begin('E');
- gdb_tx_hex(err, 2);
- return (gdb_tx_end());
- }
- static __inline int
- gdb_tx_ok(void)
- {
- gdb_tx_begin('O');
- gdb_tx_char('K');
- return (gdb_tx_end());
- }
- static __inline void
- gdb_tx_str(const char *s)
- {
- while (*s)
- *gdb_txp++ = *s++;
- }
- static __inline void
- gdb_tx_varhex(uintmax_t n)
- {
- gdb_txp += sprintf(gdb_txp, "%jx", n);
- }
- static __inline void
- gdb_nack(void)
- {
- if (gdb_ackmode)
- gdb_cur->gdb_putc('-');
- }
- static __inline void
- gdb_ack(void)
- {
- if (gdb_ackmode)
- gdb_cur->gdb_putc('+');
- }
- #endif /* !_GDB_GDB_INT_H_ */
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