ucontext.h

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 2003 Peter Wemm
    5  * Copyright (c) 1999 Marcel Moolenaar
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer 
   13  *    in this position and unchanged.
   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  * 3. The name of the author may not be used to endorse or promote products
   18  *    derived from this software without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   30  *
   31  * $FreeBSD: releng/12.0/sys/x86/include/ucontext.h 331215 2018-03-19 17:14:56Z jhb $
   32  */
   33 
   34 #ifndef _X86_UCONTEXT_H_
   35 #define _X86_UCONTEXT_H_
   36 
   37 #ifdef __i386__
   38 /* Keep _MC_* values similar to amd64 */
   39 #define _MC_HASSEGS     0x1
   40 #define _MC_HASBASES    0x2
   41 #define _MC_HASFPXSTATE 0x4
   42 #define _MC_FLAG_MASK   (_MC_HASSEGS | _MC_HASBASES | _MC_HASFPXSTATE)
   43 
   44 typedef struct __mcontext {
   45         /*
   46          * The definition of mcontext_t must match the layout of
   47          * struct sigcontext after the sc_mask member.  This is so
   48          * that we can support sigcontext and ucontext_t at the same
   49          * time.
   50          */
   51         __register_t    mc_onstack;     /* XXX - sigcontext compat. */
   52         __register_t    mc_gs;          /* machine state (struct trapframe) */
   53         __register_t    mc_fs;
   54         __register_t    mc_es;
   55         __register_t    mc_ds;
   56         __register_t    mc_edi;
   57         __register_t    mc_esi;
   58         __register_t    mc_ebp;
   59         __register_t    mc_isp;
   60         __register_t    mc_ebx;
   61         __register_t    mc_edx;
   62         __register_t    mc_ecx;
   63         __register_t    mc_eax;
   64         __register_t    mc_trapno;
   65         __register_t    mc_err;
   66         __register_t    mc_eip;
   67         __register_t    mc_cs;
   68         __register_t    mc_eflags;
   69         __register_t    mc_esp;
   70         __register_t    mc_ss;
   71 
   72         int     mc_len;                 /* sizeof(mcontext_t) */
   73 #define _MC_FPFMT_NODEV         0x10000 /* device not present or configured */
   74 #define _MC_FPFMT_387           0x10001
   75 #define _MC_FPFMT_XMM           0x10002
   76         int     mc_fpformat;
   77 #define _MC_FPOWNED_NONE        0x20000 /* FP state not used */
   78 #define _MC_FPOWNED_FPU         0x20001 /* FP state came from FPU */
   79 #define _MC_FPOWNED_PCB         0x20002 /* FP state came from PCB */
   80         int     mc_ownedfp;
   81         __register_t mc_flags;
   82         /*
   83          * See <machine/npx.h> for the internals of mc_fpstate[].
   84          */
   85         int     mc_fpstate[128] __aligned(16);
   86 
   87         __register_t mc_fsbase;
   88         __register_t mc_gsbase;
   89 
   90         __register_t mc_xfpustate;
   91         __register_t mc_xfpustate_len;
   92 
   93         int     mc_spare2[4];
   94 } mcontext_t;
   95 #endif /* __i386__ */
   96 
   97 #ifdef __amd64__
   98 /*
   99  * mc_flags bits. Shall be in sync with TF_XXX.
  100  */
  101 #define _MC_HASSEGS     0x1
  102 #define _MC_HASBASES    0x2
  103 #define _MC_HASFPXSTATE 0x4
  104 #define _MC_FLAG_MASK   (_MC_HASSEGS | _MC_HASBASES | _MC_HASFPXSTATE)
  105 
  106 typedef struct __mcontext {
  107         /*
  108          * The definition of mcontext_t must match the layout of
  109          * struct sigcontext after the sc_mask member.  This is so
  110          * that we can support sigcontext and ucontext_t at the same
  111          * time.
  112          */
  113         __register_t    mc_onstack;     /* XXX - sigcontext compat. */
  114         __register_t    mc_rdi;         /* machine state (struct trapframe) */
  115         __register_t    mc_rsi;
  116         __register_t    mc_rdx;
  117         __register_t    mc_rcx;
  118         __register_t    mc_r8;
  119         __register_t    mc_r9;
  120         __register_t    mc_rax;
  121         __register_t    mc_rbx;
  122         __register_t    mc_rbp;
  123         __register_t    mc_r10;
  124         __register_t    mc_r11;
  125         __register_t    mc_r12;
  126         __register_t    mc_r13;
  127         __register_t    mc_r14;
  128         __register_t    mc_r15;
  129         __uint32_t      mc_trapno;
  130         __uint16_t      mc_fs;
  131         __uint16_t      mc_gs;
  132         __register_t    mc_addr;
  133         __uint32_t      mc_flags;
  134         __uint16_t      mc_es;
  135         __uint16_t      mc_ds;
  136         __register_t    mc_err;
  137         __register_t    mc_rip;
  138         __register_t    mc_cs;
  139         __register_t    mc_rflags;
  140         __register_t    mc_rsp;
  141         __register_t    mc_ss;
  142 
  143         long    mc_len;                 /* sizeof(mcontext_t) */
  144 
  145 #define _MC_FPFMT_NODEV         0x10000 /* device not present or configured */
  146 #define _MC_FPFMT_XMM           0x10002
  147         long    mc_fpformat;
  148 #define _MC_FPOWNED_NONE        0x20000 /* FP state not used */
  149 #define _MC_FPOWNED_FPU         0x20001 /* FP state came from FPU */
  150 #define _MC_FPOWNED_PCB         0x20002 /* FP state came from PCB */
  151         long    mc_ownedfp;
  152         /*
  153          * See <machine/fpu.h> for the internals of mc_fpstate[].
  154          */
  155         long    mc_fpstate[64] __aligned(16);
  156 
  157         __register_t    mc_fsbase;
  158         __register_t    mc_gsbase;
  159 
  160         __register_t    mc_xfpustate;
  161         __register_t    mc_xfpustate_len;
  162 
  163         long    mc_spare[4];
  164 } mcontext_t;
  165 #endif /* __amd64__ */
  166 
  167 #endif /* !_X86_UCONTEXT_H_ */

Cache object: d2188e973ff5f5dfff1cb03df49c313e

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/x86/include/ucontext.h

FreeBSD/Linux Kernel Cross Reference
sys/x86/include/ucontext.h