/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * Copyright 2018 Joyent, Inc.
 */

#ifndef _AMD64_SYS_KDI_REGS_H
#define _AMD64_SYS_KDI_REGS_H

#include <sys/stddef.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 * A modified version of struct regs layout.
 */

#define KDIREG_SAVFP    0
#define KDIREG_SAVPC    1
#define KDIREG_RDI      2
#define KDIREG_RSI      3
#define KDIREG_RDX      4
#define KDIREG_RCX      5
#define KDIREG_R8       6
#define KDIREG_R9       7
#define KDIREG_RAX      8
#define KDIREG_RBX      9
#define KDIREG_RBP      10
#define KDIREG_R10      11
#define KDIREG_R11      12
#define KDIREG_R12      13
#define KDIREG_R13      14
#define KDIREG_R14      15
#define KDIREG_R15      16
#define KDIREG_FSBASE   17
#define KDIREG_GSBASE   18
#define KDIREG_KGSBASE  19
#define KDIREG_CR2      20
#define KDIREG_CR3      21
#define KDIREG_DS       22
#define KDIREG_ES       23
#define KDIREG_FS       24
#define KDIREG_GS       25
#define KDIREG_TRAPNO   26
#define KDIREG_ERR      27
#define KDIREG_RIP      28
#define KDIREG_CS       29
#define KDIREG_RFLAGS   30
#define KDIREG_RSP      31
#define KDIREG_SS       32

#define KDIREG_NGREG    (KDIREG_SS + 1)

#define KDIREG_PC       KDIREG_RIP
#define KDIREG_SP       KDIREG_RSP
#define KDIREG_FP       KDIREG_RBP

#if !defined(_ASM)

/*
 * Handy for debugging krs_gregs; keep in sync with the KDIREG_* above.
 */
typedef struct {
        greg_t kr_savfp;
        greg_t kr_savpc;
        greg_t kr_rdi;
        greg_t kr_rsi;
        greg_t kr_rdx;
        greg_t kr_rcx;
        greg_t kr_r8;
        greg_t kr_r9;
        greg_t kr_rax;
        greg_t kr_rbx;
        greg_t kr_rbp;
        greg_t r_r10;
        greg_t r_r11;
        greg_t r_r12;
        greg_t r_r13;
        greg_t r_r14;
        greg_t r_r15;
        greg_t kr_fsbase;
        greg_t kr_gsbase;
        greg_t kr_kgsbase;
        greg_t kr_cr2;
        greg_t kr_cr3;
        greg_t kr_ds;
        greg_t kr_es;
        greg_t kr_fs;
        greg_t kr_gs;
        greg_t kr_trapno;
        greg_t kr_err;
        greg_t kr_rip;
        greg_t kr_cs;
        greg_t kr_rflags;
        greg_t kr_rsp;
        greg_t kr_ss;
} kdiregs_t;

#if defined(_KERNEL)
CTASSERT(offsetof(kdiregs_t, kr_ss) == ((KDIREG_NGREG - 1) * sizeof (greg_t)));
#endif

#endif /* !_ASM */

#ifdef __cplusplus
}
#endif

#endif /* _AMD64_SYS_KDI_REGS_H */