3de5e49155
Some userland libraries incude machine/pcb.h and this needs the full definition of struct debug_monitor_state. To allow this to work move stuct debug_monitor_state out of the _KERNEL guard. Sponsored by: DARPA, AFRL
71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/*-
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* Copyright (c) 2014 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Semihalf under
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* the sponsorship of the FreeBSD Foundation.
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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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* 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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_DEBUG_MONITOR_H_
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#define _MACHINE_DEBUG_MONITOR_H_
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#define DBG_BRP_MAX 16
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#define DBG_WRP_MAX 16
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struct debug_monitor_state {
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uint32_t dbg_enable_count;
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uint32_t dbg_flags;
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#define DBGMON_ENABLED (1 << 0)
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#define DBGMON_KERNEL (1 << 1)
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uint64_t dbg_bcr[DBG_BRP_MAX];
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uint64_t dbg_bvr[DBG_BRP_MAX];
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uint64_t dbg_wcr[DBG_WRP_MAX];
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uint64_t dbg_wvr[DBG_WRP_MAX];
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};
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#ifdef _KERNEL
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enum dbg_access_t {
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HW_BREAKPOINT_X = 0,
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HW_BREAKPOINT_R = 1,
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HW_BREAKPOINT_W = 2,
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HW_BREAKPOINT_RW = HW_BREAKPOINT_R | HW_BREAKPOINT_W,
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};
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void dbg_monitor_init(void);
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void dbg_register_sync(struct debug_monitor_state *);
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int dbg_setup_watchpoint(struct debug_monitor_state *, vm_offset_t, vm_size_t,
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enum dbg_access_t);
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int dbg_remove_watchpoint(struct debug_monitor_state *, vm_offset_t, vm_size_t);
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#ifdef DDB
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void dbg_show_watchpoint(void);
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#endif
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#endif /* _KERNEL */
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#endif /* _MACHINE_DEBUG_MONITOR_H_ */
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