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1/*
2 * Copyright (c) 2007 Apple Inc. All rights reserved.
3 */
4/*
5 * CDDL HEADER START
6 *
7 * The contents of this file are subject to the terms of the
8 * Common Development and Distribution License, Version 1.0 only
9 * (the "License"). You may not use this file except in compliance
10 * with the License.
11 *
12 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
13 * or http://www.opensolaris.org/os/licensing.
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 *
17 * When distributing Covered Code, include this CDDL HEADER in each
18 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
19 * If applicable, add the following below this CDDL HEADER, with the
20 * fields enclosed by brackets "[]" replaced with your own identifying
21 * information: Portions Copyright [yyyy] [name of copyright owner]
22 *
23 * CDDL HEADER END
24 */
25/*
26 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
27 * Use is subject to license terms.
28 */
29
30#ifndef _FASTTRAP_ISA_H
31#define _FASTTRAP_ISA_H
32
33/* #pragma ident "@(#)fasttrap_isa.h 1.4 05/06/08 SMI" */
34
35#include <sys/types.h>
36#include <stdint.h>
37
38#ifdef __cplusplus
39extern "C" {
40#endif
41
42typedef union {
43 uint32_t instr32;
44 struct {
45 uint16_t instr1;
46 uint16_t instr2;
47 } instr16;
48} fasttrap_instr_t;
49
50typedef struct fasttrap_machtp {
51 fasttrap_instr_t ftmt_instr; /* original instruction */
52
53 uint8_t ftmt_fntype; /* One of the FASTTRAP_FN* constants defined below */
54 /* Once the tracepoint is initialized, fntype will be FN_DONE_INIT and thumb will be 0 for ARM, 1 for Thumb */
55 uint8_t ftmt_thumb;
56
57 uint8_t ftmt_type;
58 uint8_t ftmt_installed:1;
59 uint8_t ftmt_retired:1;
60} fasttrap_machtp_t;
61
62#define ftt_instr ftt_mtp.ftmt_instr.instr32
63#define ftt_instr1 ftt_mtp.ftmt_instr.instr16.instr1
64#define ftt_instr2 ftt_mtp.ftmt_instr.instr16.instr2
65#define ftt_fntype ftt_mtp.ftmt_fntype
66#define ftt_thumb ftt_mtp.ftmt_thumb
67#define ftt_type ftt_mtp.ftmt_type
68#define ftt_installed ftt_mtp.ftmt_installed
69#define ftt_retired ftt_mtp.ftmt_retired
70
71#define FASTTRAP_T_INV 1
72#define FASTTRAP_T_COMMON 2
73#define FASTTRAP_T_BLX 3
74#define FASTTRAP_T_B_COND 4
75#define FASTTRAP_T_B_UNCOND 5
76#define FASTTRAP_T_BX_REG 6
77#define FASTTRAP_T_PUSH_LR 7
78#define FASTTRAP_T_POP_PC 8
79#define FASTTRAP_T_STM_LR 9
80#define FASTTRAP_T_LDM_PC 10
81#define FASTTRAP_T_CPY_PC 11
82#define FASTTRAP_T_MOV_PC_REG 12
83#define FASTTRAP_T_LDR_PC_IMMED 13
84#define FASTTRAP_T_VLDR_PC_IMMED 14
85#define FASTTRAP_T_CB_N_Z 15
86#if defined(__arm64__)
87#define FASTTRAP_T_ARM64_STANDARD_FUNCTION_ENTRY 16 /* stp fp, lr, [sp, #-16]! */
88#define FASTTRAP_T_ARM64_LDR_S_PC_REL 17
89#define FASTTRAP_T_ARM64_LDR_W_PC_REL 18
90#define FASTTRAP_T_ARM64_LDR_D_PC_REL 19
91#define FASTTRAP_T_ARM64_LDR_X_PC_REL 20
92#define FASTTRAP_T_ARM64_LDR_Q_PC_REL 21
93#define FASTTRAP_T_ARM64_LDRSW_PC_REL 22
94#define FASTTRAP_T_ARM64_B_COND 23
95#define FASTTRAP_T_ARM64_CBNZ_W 24
96#define FASTTRAP_T_ARM64_CBNZ_X 25
97#define FASTTRAP_T_ARM64_CBZ_W 26
98#define FASTTRAP_T_ARM64_CBZ_X 27
99#define FASTTRAP_T_ARM64_TBNZ 28
100#define FASTTRAP_T_ARM64_TBZ 29
101#define FASTTRAP_T_ARM64_B 30
102#define FASTTRAP_T_ARM64_BL 31
103#define FASTTRAP_T_ARM64_BLR 32
104#define FASTTRAP_T_ARM64_BR 33
105#define FASTTRAP_T_ARM64_RET 34
106#define FASTTRAP_T_ARM64_ADRP 35
107#define FASTTRAP_T_ARM64_ADR 36
108#define FASTTRAP_T_ARM64_PRFM 37
109#define FASTTRAP_T_ARM64_EXCLUSIVE_MEM 38
d9a64523 110#define FASTTRAP_T_ARM64_RETAB 39
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111#endif
112
113#if defined (__arm__)
114#define FASTTRAP_ARM_INSTR 0xe7ffdefc
115#define FASTTRAP_THUMB_INSTR 0xdefc
116#define FASTTRAP_ARM_RET_INSTR 0xe7ffdefb
117#define FASTTRAP_THUMB_RET_INSTR 0xdefb
118
119#elif defined (__arm64__)
120#define FASTTRAP_ARM32_INSTR 0xe7ffdefc
121#define FASTTRAP_THUMB32_INSTR 0xdefc
122#define FASTTRAP_ARM64_INSTR 0xe7eeee7e
123
124#define FASTTRAP_ARM32_RET_INSTR 0xe7ffdefb
125#define FASTTRAP_THUMB32_RET_INSTR 0xdefb
126#define FASTTRAP_ARM64_RET_INSTR 0xe7eeee7d
127#endif
128
129#define FASTTRAP_FN_DONE_INIT 255
130#define FASTTRAP_FN_UNKNOWN 0
131#define FASTTRAP_FN_ARM 1
132#define FASTTRAP_FN_THUMB 2
133#define FASTTRAP_FN_USDT 3
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134#define FASTTRAP_FN_ARM64 4
135#define FASTTRAP_FN_ARM64_32 5
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136
137#define ARM_RM(x) ((x) & 0xF)
138#define ARM_RS(x) (((x) >> 8) & 0xF)
139#define ARM_RD(x) (((x) >> 12) & 0xF)
140#define ARM_RN(x) (((x) >> 16) & 0xF)
141#define ARM_CONDCODE(x) ((x) >> 28)
142
143#define THUMB16_HRM(x) (((x) >> 3) & 0xF)
144#define THUMB16_HRD(x) (((x) & 0x7) | ((((x) >> 4) & 0x8)))
145
146#define THUMB32_RM(x,y) ((y) & 0xF)
147#define THUMB32_RD(x,y) (((y) >> 8) & 0xF)
148#define THUMB32_RT(x,y) (((y) >> 12) & 0xF)
149#define THUMB32_RN(x,y) ((x) & 0xF)
150
151#define REG_SP 13
152#define REG_LR 14
153#define REG_PC 15
154
155#define FASTTRAP_RETURN_AFRAMES 6
156#define FASTTRAP_ENTRY_AFRAMES 5
157#define FASTTRAP_OFFSET_AFRAMES 5
158
159#if defined(__arm64__)
160#define FASTTRAP_ARM64_OP_VALUE_FUNC_ENTRY 0xa9bf7bfd /* stp fp, lr, [sp, #-16]! */
161
162#define FASTTRAP_ARM64_OP_MASK_LDR_S_PC_REL 0xff000000 /* Bits to check for ldr St, label */
163#define FASTTRAP_ARM64_OP_VALUE_LDR_S_PC_REL 0x1c000000 /* Value to find */
164
165#define FASTTRAP_ARM64_OP_MASK_LDR_W_PC_REL 0xff000000 /* Bits to check for ldr Wt, label */
166#define FASTTRAP_ARM64_OP_VALUE_LDR_W_PC_REL 0x18000000 /* Value to find */
167
168#define FASTTRAP_ARM64_OP_MASK_LDR_D_PC_REL 0xff000000 /* Bits to check for ldr Dt, label */
169#define FASTTRAP_ARM64_OP_VALUE_LDR_D_PC_REL 0x5c000000 /* Value to find */
170
171#define FASTTRAP_ARM64_OP_MASK_LDR_X_PC_REL 0xff000000 /* Bits to check for ldr Xt, label */
172#define FASTTRAP_ARM64_OP_VALUE_LDR_X_PC_REL 0x58000000 /* Value to find */
173
174#define FASTTRAP_ARM64_OP_MASK_LDR_Q_PC_REL 0xff000000 /* Bits to check for ldr Qt, label */
175#define FASTTRAP_ARM64_OP_VALUE_LDR_Q_PC_REL 0x9c000000 /* Value to find */
176
177#define FASTTRAP_ARM64_OP_MASK_LRDSW_PC_REL 0xff000000 /* Bits to check for ldrsw <reg>, label */
178#define FASTTRAP_ARM64_OP_VALUE_LRDSW_PC_REL 0x98000000 /* Value to find */
179
180#define FASTTRAP_ARM64_OP_MASK_B_COND_PC_REL 0xff000010 /* Bits to check for b.cond label */
181#define FASTTRAP_ARM64_OP_VALUE_B_COND_PC_REL 0x54000000 /* Value to find */
182
183#define FASTTRAP_ARM64_OP_MASK_CBNZ_W_PC_REL 0xff000000 /* Bits to check for cbnz Wt, _label */
184#define FASTTRAP_ARM64_OP_VALUE_CBNZ_W_PC_REL 0x35000000 /* Value to find */
185
186#define FASTTRAP_ARM64_OP_MASK_CBNZ_X_PC_REL 0xff000000 /* Bits to check for cbnz Xt, _label */
187#define FASTTRAP_ARM64_OP_VALUE_CBNZ_X_PC_REL 0xb5000000 /* Value to find */
188
189#define FASTTRAP_ARM64_OP_MASK_CBZ_W_PC_REL 0xff000000 /* Bits to check for cbz Wt, _label */
190#define FASTTRAP_ARM64_OP_VALUE_CBZ_W_PC_REL 0x34000000 /* Value to find */
191
192#define FASTTRAP_ARM64_OP_MASK_CBZ_X_PC_REL 0xff000000 /* Bits to check for cbz Xt, _label */
193#define FASTTRAP_ARM64_OP_VALUE_CBZ_X_PC_REL 0xb4000000 /* Value to find */
194
195#define FASTTRAP_ARM64_OP_MASK_TBNZ_PC_REL 0x7f000000 /* Bits to check for tbnz Xt, _label */
196#define FASTTRAP_ARM64_OP_VALUE_TBNZ_PC_REL 0x37000000 /* Value to find */
197
198#define FASTTRAP_ARM64_OP_MASK_TBZ_PC_REL 0x7f000000 /* Bits to check for tbz Xt, _label */
199#define FASTTRAP_ARM64_OP_VALUE_TBZ_PC_REL 0x36000000 /* Value to find */
200
201#define FASTTRAP_ARM64_OP_MASK_B_PC_REL 0xfc000000 /* Bits to check for b _label */
202#define FASTTRAP_ARM64_OP_VALUE_B_PC_REL 0x14000000 /* Value to find */
203
204#define FASTTRAP_ARM64_OP_MASK_BL_PC_REL 0xfc000000 /* Bits to check for bl _label */
205#define FASTTRAP_ARM64_OP_VALUE_BL_PC_REL 0x94000000 /* Value to find */
206
207#define FASTTRAP_ARM64_OP_MASK_BLR 0xfffffe1f /* Bits to check for blr Xt */
208#define FASTTRAP_ARM64_OP_VALUE_BLR 0xd63f0000 /* Value to find */
209
210#define FASTTRAP_ARM64_OP_MASK_BR 0xfffffe1f /* Bits to check for br Xt */
211#define FASTTRAP_ARM64_OP_VALUE_BR 0xd61f0000 /* Value to find */
212
213#define FASTTRAP_ARM64_OP_MASK_RET 0xfffffc1f /* Bits to check for ret Rt */
214#define FASTTRAP_ARM64_OP_VALUE_RET 0xd65f0000 /* Value to find */
215
216#define FASTTRAP_ARM64_OP_MASK_ADRP 0x9f000000 /* Bits to check for adrp Xt, label*/
217#define FASTTRAP_ARM64_OP_VALUE_ADRP 0x90000000 /* Value to find */
218
219#define FASTTRAP_ARM64_OP_MASK_ADR 0x9f000000 /* Bits to check for adr Xt, label*/
220#define FASTTRAP_ARM64_OP_VALUE_ADR 0x10000000 /* Value to find */
221
222#define FASTTRAP_ARM64_OP_MASK_PRFM 0xff000000 /* Bits to check for adr Xt, label*/
223#define FASTTRAP_ARM64_OP_VALUE_PRFM 0xd8000000 /* Value to find */
224
225#define FASTTRAP_ARM64_OP_MASK_EXCL_MEM 0x3f000000 /* Bits to check for exclusive memory operation */
226#define FASTTRAP_ARM64_OP_VALUE_EXCL_MEM 0x08000000 /* Value to find */
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227
228#define FASTTRAP_ARM64_OP_MASK_RETAB 0xfffffc1f /* Bits to check for retab Rt */
229#define FASTTRAP_ARM64_OP_VALUE_RETAB 0xd65f0c1f /* Value to find */
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230#endif /* defined(__arm64__) */
231
232#ifdef __cplusplus
233}
234#endif
235
236#endif /* _FASTTRAP_ISA_H */