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_ */
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