The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/include/kdb.h

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    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: releng/8.3/sys/i386/include/kdb.h 199583 2009-11-20 15:27:52Z jhb $
   27  */
   28 
   29 #ifndef _MACHINE_KDB_H_
   30 #define _MACHINE_KDB_H_
   31 
   32 #include <machine/frame.h>
   33 #include <machine/psl.h>
   34 
   35 #define KDB_STOPPEDPCB(pc)      &stoppcbs[pc->pc_cpuid]
   36 
   37 static __inline void
   38 kdb_cpu_clear_singlestep(void)
   39 {
   40         kdb_frame->tf_eflags &= ~PSL_T;
   41 }
   42 
   43 static __inline void
   44 kdb_cpu_set_singlestep(void)
   45 {
   46         kdb_frame->tf_eflags |= PSL_T;
   47 }
   48 
   49 static __inline void
   50 kdb_cpu_sync_icache(unsigned char *addr, size_t size)
   51 {
   52 }
   53 
   54 static __inline void
   55 kdb_cpu_trap(int type, int code)
   56 {
   57 }
   58 
   59 #endif /* _MACHINE_KDB_H_ */

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