xref: /illumos-gate/usr/src/uts/intel/amd64/sys/kdi_regs.h (revision e75b2cb0)
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 */
134