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