ucontext.h

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    1 /*-
    2  * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
    3  * All rights reserved.
    4  *
    5  * Portions of this software were developed by SRI International and the
    6  * University of Cambridge Computer Laboratory under DARPA/AFRL contract
    7  * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
    8  *
    9  * Portions of this software were developed by the University of Cambridge
   10  * Computer Laboratory as part of the CTSRD Project, with support from the
   11  * UK Higher Education Innovation Fund (HEIF).
   12  *
   13  * Redistribution and use in source and binary forms, with or without
   14  * modification, are permitted provided that the following conditions
   15  * are met:
   16  * 1. Redistributions of source code must retain the above copyright
   17  *    notice, this list of conditions and the following disclaimer.
   18  * 2. Redistributions in binary form must reproduce the above copyright
   19  *    notice, this list of conditions and the following disclaimer in the
   20  *    documentation and/or other materials provided with the distribution.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  * $FreeBSD: releng/11.2/sys/riscv/include/ucontext.h 295700 2016-02-17 14:24:25Z br $
   35  */
   36 
   37 #ifndef _MACHINE_UCONTEXT_H_
   38 #define _MACHINE_UCONTEXT_H_
   39 
   40 struct gpregs {
   41         __register_t    gp_ra;
   42         __register_t    gp_sp;
   43         __register_t    gp_gp;
   44         __register_t    gp_tp;
   45         __register_t    gp_t[7];
   46         __register_t    gp_s[12];
   47         __register_t    gp_a[8];
   48         __register_t    gp_sepc;
   49         __register_t    gp_sstatus;
   50 };
   51 
   52 struct fpregs {
   53         __uint64_t      fp_x[32][2];
   54         __uint64_t      fp_fcsr;
   55         int             fp_flags;
   56         int             pad;
   57 };
   58 
   59 struct __mcontext {
   60         struct gpregs   mc_gpregs;
   61         struct fpregs   mc_fpregs;
   62         int             mc_flags;
   63 #define _MC_FP_VALID    0x1             /* Set when mc_fpregs has valid data */
   64         int             mc_pad;
   65         __uint64_t      mc_spare[8];    /* Space for expansion */
   66 };
   67 
   68 typedef struct __mcontext mcontext_t;
   69 
   70 #endif  /* !_MACHINE_UCONTEXT_H_ */

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

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sys/riscv/include/ucontext.h