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82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/*-
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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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* $FreeBSD$
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*/
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#ifndef _SYS_KDB_H_
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#define _SYS_KDB_H_
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#include <machine/setjmp.h>
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typedef int dbbe_init_f(void);
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typedef void dbbe_trace_f(void);
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typedef int dbbe_trap_f(int, int);
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struct kdb_dbbe {
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const char *dbbe_name;
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dbbe_init_f *dbbe_init;
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dbbe_trace_f *dbbe_trace;
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dbbe_trap_f *dbbe_trap;
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int dbbe_active;
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};
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#define KDB_BACKEND(name, init, trace, trap) \
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static struct kdb_dbbe name##_dbbe = { \
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.dbbe_name = #name, \
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.dbbe_init = init, \
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.dbbe_trace = trace, \
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.dbbe_trap = trap \
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}; \
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DATA_SET(kdb_dbbe_set, name##_dbbe)
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struct pcb;
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struct thread;
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struct trapframe;
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extern int kdb_active; /* Non-zero while in debugger. */
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extern int debugger_on_panic; /* enter the debugger on panic. */
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extern struct kdb_dbbe *kdb_dbbe; /* Default debugger backend or NULL. */
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extern struct trapframe *kdb_frame; /* Frame to kdb_trap(). */
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extern struct pcb *kdb_thrctx; /* Current context. */
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extern struct thread *kdb_thread; /* Current thread. */
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int kdb_alt_break(int, int *);
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void kdb_backtrace(void);
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int kdb_dbbe_select(const char *);
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void kdb_enter(const char *);
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void kdb_init(void);
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void * kdb_jmpbuf(jmp_buf);
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void kdb_reenter(void);
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struct pcb *kdb_thr_ctx(struct thread *);
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struct thread *kdb_thr_first(void);
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struct thread *kdb_thr_from_pid(pid_t);
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struct thread *kdb_thr_lookup(lwpid_t);
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struct thread *kdb_thr_next(struct thread *);
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int kdb_thr_select(struct thread *);
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int kdb_trap(int, int, struct trapframe *);
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#endif /* !_SYS_KDB_H_ */
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