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Annotation of sys/arch/amd64/include/reg.h, Revision 1.1.1.1

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_ */