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Annotation of sys/arch/amd64/include/reg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: reg.h,v 1.4 2005/12/13 00:18:19 jsg Exp $     */
        !             2: /*     $NetBSD: reg.h,v 1.1 2003/04/26 18:39:47 fvdl Exp $     */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1990 The Regents of the University of California.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to Berkeley by
        !             9:  * William Jolitz.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. Neither the name of the University nor the names of its contributors
        !            20:  *    may be used to endorse or promote products derived from this software
        !            21:  *    without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            33:  * SUCH DAMAGE.
        !            34:  *
        !            35:  *     @(#)reg.h       5.5 (Berkeley) 1/18/91
        !            36:  */
        !            37:
        !            38: #ifndef _AMD64_REG_H_
        !            39: #define _AMD64_REG_H_
        !            40:
        !            41: #include <machine/mcontext.h>
        !            42: #include <machine/fpu.h>
        !            43:
        !            44: /*
        !            45:  * XXX
        !            46:  * The #defines aren't used in the kernel, but some user-level code still
        !            47:  * expects them.
        !            48:  */
        !            49:
        !            50: /* When referenced during a trap/exception, registers are at these offsets */
        !            51:
        !            52: #define tRDI   0
        !            53: #define tRSI   1
        !            54: #define tRDX   2
        !            55: #define tRCX   3
        !            56: #define tR8    4
        !            57: #define tR9    5
        !            58: #define tR10   6
        !            59: #define tR11   7
        !            60: #define        tR12    8
        !            61: #define        tR13    9
        !            62: #define        tR14    10
        !            63: #define        tR15    11
        !            64: #define        tRBP    12
        !            65: #define        tRBX    13
        !            66: #define        tRAX    14
        !            67: #define        tRSP    15
        !            68: #define        tRIP    16
        !            69: #define        tRFLAGS 17
        !            70: #define        tCS     18
        !            71: #define        tSS     19
        !            72: #define        tDS     20
        !            73: #define        tES     21
        !            74: #define        tFS     22
        !            75: #define        tGS     23
        !            76:
        !            77: /*
        !            78:  * Registers accessible to ptrace(2) syscall for debugger use.
        !            79:  * Same as mcontext.__gregs and struct trapframe, they must
        !            80:  * remain synced (XXX should use common structure).
        !            81:  */
        !            82: struct reg {
        !            83:        int64_t r_rdi;
        !            84:        int64_t r_rsi;
        !            85:        int64_t r_rdx;
        !            86:        int64_t r_rcx;
        !            87:        int64_t r_r8;
        !            88:        int64_t r_r9;
        !            89:        int64_t r_r10;
        !            90:        int64_t r_r11;
        !            91:        int64_t r_r12;
        !            92:        int64_t r_r13;
        !            93:        int64_t r_r14;
        !            94:        int64_t r_r15;
        !            95:        int64_t r_rbp;
        !            96:        int64_t r_rbx;
        !            97:        int64_t r_rax;
        !            98:        int64_t r_rsp;
        !            99:        int64_t r_rip;
        !           100:        int64_t r_rflags;
        !           101:        int64_t r_cs;
        !           102:        int64_t r_ss;
        !           103:        int64_t r_ds;
        !           104:        int64_t r_es;
        !           105:        int64_t r_fs;
        !           106:        int64_t r_gs;
        !           107: };
        !           108:
        !           109: struct fpreg {
        !           110:        struct fxsave64 fxstate;
        !           111: };
        !           112:
        !           113: #define fp_fcw         fxstate.fx_fcw
        !           114: #define fp_fsw         fxstate.fx_fsw
        !           115: #define fp_ftw         fxstate.fx_ftw
        !           116: #define fp_fop         fxstate.fx_fop
        !           117: #define fp_rip         fxstate.fx_rip
        !           118: #define fp_rdp         fxstate.fx_rdp
        !           119: #define fp_mxcsr       fxstate.fx_mxcsr
        !           120: #define fp_mxcsr_mask  fxstate.fx_mxcsr_mask
        !           121: #define fp_st          fxstate.fx_st
        !           122: #define fp_xmm         fxstate.fx_xmm
        !           123:
        !           124: #ifdef _KERNEL
        !           125: int check_context(const struct reg *, struct trapframe *);
        !           126: #endif
        !           127:
        !           128: #endif /* !_AMD64_REG_H_ */