1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Copyright 2018 Joyent, Inc.
  27  */
  28 
  29 #ifndef _AMD64_SYS_KDI_REGS_H
  30 #define _AMD64_SYS_KDI_REGS_H
  31 
  32 #include <sys/stddef.h>
  33 
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37 
  38 /*
  39  * A modified version of struct regs layout.
  40  */
  41 
  42 #define KDIREG_SAVFP    0
  43 #define KDIREG_SAVPC    1
  44 #define KDIREG_RDI      2
  45 #define KDIREG_RSI      3
  46 #define KDIREG_RDX      4
  47 #define KDIREG_RCX      5
  48 #define KDIREG_R8       6
  49 #define KDIREG_R9       7
  50 #define KDIREG_RAX      8
  51 #define KDIREG_RBX      9
  52 #define KDIREG_RBP      10
  53 #define KDIREG_R10      11
  54 #define KDIREG_R11      12
  55 #define KDIREG_R12      13
  56 #define KDIREG_R13      14
  57 #define KDIREG_R14      15
  58 #define KDIREG_R15      16
  59 #define KDIREG_FSBASE   17
  60 #define KDIREG_GSBASE   18
  61 #define KDIREG_KGSBASE  19
  62 #define KDIREG_CR2      20
  63 #define KDIREG_CR3      21
  64 #define KDIREG_DS       22
  65 #define KDIREG_ES       23
  66 #define KDIREG_FS       24
  67 #define KDIREG_GS       25
  68 #define KDIREG_TRAPNO   26
  69 #define KDIREG_ERR      27
  70 #define KDIREG_RIP      28
  71 #define KDIREG_CS       29
  72 #define KDIREG_RFLAGS   30
  73 #define KDIREG_RSP      31
  74 #define KDIREG_SS       32
  75 
  76 #define KDIREG_NGREG    (KDIREG_SS + 1)
  77 
  78 #define KDIREG_PC       KDIREG_RIP
  79 #define KDIREG_SP       KDIREG_RSP
  80 #define KDIREG_FP       KDIREG_RBP
  81 
  82 #if !defined(_ASM)
  83 
  84 /*
  85  * Handy for debugging krs_gregs; keep in sync with the KDIREG_* above.
  86  */
  87 typedef struct {
  88         greg_t kr_savfp;
  89         greg_t kr_savpc;
  90         greg_t kr_rdi;
  91         greg_t kr_rsi;
  92         greg_t kr_rdx;
  93         greg_t kr_rcx;
  94         greg_t kr_r8;
  95         greg_t kr_r9;
  96         greg_t kr_rax;
  97         greg_t kr_rbx;
  98         greg_t kr_rbp;
  99         greg_t r_r10;
 100         greg_t r_r11;
 101         greg_t r_r12;
 102         greg_t r_r13;
 103         greg_t r_r14;
 104         greg_t r_r15;
 105         greg_t kr_fsbase;
 106         greg_t kr_gsbase;
 107         greg_t kr_kgsbase;
 108         greg_t kr_cr2;
 109         greg_t kr_cr3;
 110         greg_t kr_ds;
 111         greg_t kr_es;
 112         greg_t kr_fs;
 113         greg_t kr_gs;
 114         greg_t kr_trapno;
 115         greg_t kr_err;
 116         greg_t kr_rip;
 117         greg_t kr_cs;
 118         greg_t kr_rflags;
 119         greg_t kr_rsp;
 120         greg_t kr_ss;
 121 } kdiregs_t;
 122 
 123 #if defined(_KERNEL)
 124 CTASSERT(offsetof(kdiregs_t, kr_ss) == ((KDIREG_NGREG - 1) * sizeof (greg_t)));
 125 #endif
 126 
 127 #endif /* !_ASM */
 128 
 129 #ifdef __cplusplus
 130 }
 131 #endif
 132 
 133 #endif /* _AMD64_SYS_KDI_REGS_H */