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/arm64/arm64/genassym.c

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    1 /*-
    2  * Copyright (c) 2004 Olivier Houchard
    3  * Copyright (c) 2014 Andrew Turner
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    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 AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  */
   28 
   29 #include <sys/cdefs.h>
   30 __FBSDID("$FreeBSD: releng/11.2/sys/arm64/arm64/genassym.c 319205 2017-05-30 13:16:06Z andrew $");
   31 #include <sys/param.h>
   32 #include <sys/assym.h>
   33 #include <sys/pcpu.h>
   34 #include <sys/proc.h>
   35 
   36 #include <machine/frame.h>
   37 #include <machine/pcb.h>
   38 #include <machine/vmparam.h>
   39 
   40 ASSYM(TDF_ASTPENDING, TDF_ASTPENDING);
   41 ASSYM(TDF_NEEDRESCHED, TDF_NEEDRESCHED);
   42 
   43 ASSYM(PCPU_SIZE, sizeof(struct pcpu));
   44 ASSYM(PC_CURPCB, offsetof(struct pcpu, pc_curpcb));
   45 ASSYM(PC_CURTHREAD, offsetof(struct pcpu, pc_curthread));
   46 
   47 /* Size of pcb, rounded to keep stack alignment */
   48 ASSYM(PCB_SIZE, roundup2(sizeof(struct pcb), STACKALIGNBYTES + 1));
   49 ASSYM(PCB_SINGLE_STEP_SHIFT, PCB_SINGLE_STEP_SHIFT);
   50 ASSYM(PCB_REGS, offsetof(struct pcb, pcb_x));
   51 ASSYM(PCB_SP, offsetof(struct pcb, pcb_sp));
   52 ASSYM(PCB_L0ADDR, offsetof(struct pcb, pcb_l0addr));
   53 ASSYM(PCB_ONFAULT, offsetof(struct pcb, pcb_onfault));
   54 ASSYM(PCB_FLAGS, offsetof(struct pcb, pcb_flags));
   55 
   56 ASSYM(SF_UC, offsetof(struct sigframe, sf_uc));
   57 
   58 ASSYM(TD_PCB, offsetof(struct thread, td_pcb));
   59 ASSYM(TD_FLAGS, offsetof(struct thread, td_flags));
   60 ASSYM(TD_FRAME, offsetof(struct thread, td_frame));
   61 ASSYM(TD_LOCK, offsetof(struct thread, td_lock));
   62 
   63 ASSYM(TF_SIZE, sizeof(struct trapframe));
   64 ASSYM(TF_SP, offsetof(struct trapframe, tf_sp));
   65 ASSYM(TF_ELR, offsetof(struct trapframe, tf_elr));
   66 ASSYM(TF_SPSR, offsetof(struct trapframe, tf_spsr));
   67 ASSYM(TF_X, offsetof(struct trapframe, tf_x));

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