ucontext.h

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    1 /*-
    2  * Copyright (c) 2014 Andrew Turner
    3  * Copyright (c) 2014-2015 The FreeBSD Foundation
    4  * All rights reserved.
    5  *
    6  * This software was developed by Andrew Turner under
    7  * sponsorship from the FreeBSD Foundation.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   28  * SUCH DAMAGE.
   29  *
   30  * $FreeBSD$
   31  */
   32 
   33 #ifndef _MACHINE_UCONTEXT_H_
   34 #define _MACHINE_UCONTEXT_H_
   35 
   36 struct gpregs {
   37         __register_t    gp_x[30];
   38         __register_t    gp_lr;
   39         __register_t    gp_sp;
   40         __register_t    gp_elr;
   41         __uint32_t      gp_spsr;
   42         int             gp_pad;
   43 };
   44 
   45 struct fpregs {
   46         __uint128_t     fp_q[32];
   47         __uint32_t      fp_sr;
   48         __uint32_t      fp_cr;
   49         int             fp_flags;
   50         int             fp_pad;
   51 };
   52 
   53 struct __mcontext {
   54         struct gpregs   mc_gpregs;
   55         struct fpregs   mc_fpregs;
   56         int             mc_flags;
   57 #define _MC_FP_VALID    0x1             /* Set when mc_fpregs has valid data */
   58         int             mc_pad;         /* Padding */
   59         __uint64_t      mc_spare[8];    /* Space for expansion, set to zero */
   60 };
   61 
   62 typedef struct __mcontext mcontext_t;
   63 
   64 #ifdef COMPAT_FREEBSD32
   65 #include <compat/freebsd32/freebsd32_signal.h>
   66 typedef struct __mcontext32 {
   67         uint32_t                mc_gregset[17];
   68         uint32_t                mc_vfp_size;
   69         uint32_t                mc_vfp_ptr;
   70         uint32_t                mc_spare[33];
   71 } mcontext32_t;
   72 
   73 typedef struct __ucontext32 {
   74         sigset_t                uc_sigmask;
   75         mcontext32_t            uc_mcontext;
   76         u_int32_t               uc_link;
   77         struct sigaltstack32    uc_stack;
   78         u_int32_t               uc_flags;
   79         u_int32_t               __spare__[4];
   80 } ucontext32_t;
   81 
   82 typedef struct __mcontext32_vfp {
   83         __uint64_t      mcv_reg[32];
   84         __uint32_t      mcv_fpscr;
   85 } mcontext32_vfp_t;
   86 
   87 #endif /* COMPAT_FREEBSD32 */
   88 
   89 #endif  /* !_MACHINE_UCONTEXT_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/arm64/include/ucontext.h

FreeBSD/Linux Kernel Cross Reference
sys/arm64/include/ucontext.h