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 _MACH_ARM_SDT_ISA_H |
31 | #define _MACH_ARM_SDT_ISA_H |
32 | |
33 | #include <stdint.h> |
34 | |
35 | #if defined(__arm64__) |
36 | |
37 | /* |
38 | * Only define when testing. This makes the calls into actual calls to |
39 | * test functions. |
40 | */ |
41 | /* #define DTRACE_CALL_TEST */ |
42 | |
43 | #define DTRACE_STRINGIFY(s) #s |
44 | #define DTRACE_TOSTRING(s) DTRACE_STRINGIFY(s) |
45 | |
46 | |
47 | #if defined(KERNEL) |
48 | |
49 | #if (__SIZEOF_POINTER__ == 8) |
50 | |
51 | #define DTRACE_LABEL(p, n) \ |
52 | ".pushsection __DATA_CONST, __sdt_cstring, cstring_literals\n\t" \ |
53 | "1: .ascii \"" DTRACE_STRINGIFY(p##___) "\\0\"\n\t" \ |
54 | "2: .ascii \"" DTRACE_STRINGIFY(n) "\\0\"\n\t" \ |
55 | ".popsection" "\n\t" \ |
56 | ".pushsection __DATA_CONST, __sdt, regular, live_support\n\t" \ |
57 | ".p2align 3\n\t" \ |
58 | "l3_%=:\n\t" \ |
59 | ".quad 4f""\n\t" \ |
60 | ".quad 1b""\n\t" \ |
61 | ".quad 2b""\n\t" \ |
62 | ".popsection" "\n\t" \ |
63 | "4:" |
64 | |
65 | #else /* Not supported on arm64_32 */ |
66 | |
67 | #define DTRACE_LABEL(p, n) |
68 | |
69 | #endif /* __SIZEOF_POINTER__ == 8 */ |
70 | |
71 | |
72 | #else /* !KERNEL */ |
73 | |
74 | #define DTRACE_LABEL(p, n) \ |
75 | "__dtrace_probe$" DTRACE_TOSTRING(%=__LINE__) DTRACE_STRINGIFY(_##p##___##n) ":" "\n\t" |
76 | |
77 | #endif /* !KERNEL */ |
78 | |
79 | |
80 | /* |
81 | * Testing mode that builds function call to the probe site instead of nops. |
82 | */ |
83 | #ifdef DTRACE_CALL_TEST |
84 | |
85 | #define DTRACE_CALL_INSN(p, n) \ |
86 | "bl _dtracetest" DTRACE_STRINGIFY(_##p##_##n) "\n\t" |
87 | |
88 | #define DTRACE_CALL(p, n) \ |
89 | DTRACE_LABEL(p,n) \ |
90 | DTRACE_CALL_INSN(p,n) |
91 | |
92 | #else /* DTRACE_CALL_TEST */ |
93 | |
94 | #define DTRACE_NOPS \ |
95 | "nop" "\n\t" |
96 | |
97 | #define DTRACE_CALL(p, n) \ |
98 | DTRACE_LABEL(p,n) \ |
99 | DTRACE_NOPS |
100 | |
101 | #endif /* DTRACE_CALL_TEST */ |
102 | |
103 | |
104 | #define DTRACE_PROBE(provider, name) \ |
105 | do { \ |
106 | asm volatile ( \ |
107 | DTRACE_CALL(provider, name) \ |
108 | : \ |
109 | : \ |
110 | : "memory" \ |
111 | ); \ |
112 | } while(0) |
113 | |
114 | #define DTRACE_PROBE1(provider, name, arg0) \ |
115 | do { \ |
116 | register uintptr_t __dtrace_a0 asm("x0") = (uintptr_t) arg0; \ |
117 | asm volatile ( \ |
118 | DTRACE_CALL(provider, name) \ |
119 | : \ |
120 | : "r" (__dtrace_a0) \ |
121 | : "memory" \ |
122 | ); \ |
123 | } while(0) |
124 | |
125 | #define DTRACE_PROBE2(provider, name, arg0, arg1) \ |
126 | do { \ |
127 | register uintptr_t __dtrace_a0 asm("x0") = (uintptr_t) arg0; \ |
128 | register uintptr_t __dtrace_a1 asm("x1") = (uintptr_t) arg1; \ |
129 | asm volatile ( \ |
130 | DTRACE_CALL(provider, name) \ |
131 | : \ |
132 | : "r" (__dtrace_a0), "r" (__dtrace_a1) \ |
133 | : "memory" \ |
134 | ); \ |
135 | } while(0) |
136 | |
137 | #define DTRACE_PROBE3(provider, name, arg0, arg1, arg2) \ |
138 | do { \ |
139 | register uintptr_t __dtrace_a0 asm("x0") = (uintptr_t) arg0; \ |
140 | register uintptr_t __dtrace_a1 asm("x1") = (uintptr_t) arg1; \ |
141 | register uintptr_t __dtrace_a2 asm("x2") = (uintptr_t) arg2; \ |
142 | asm volatile ( \ |
143 | DTRACE_CALL(provider, name) \ |
144 | : \ |
145 | : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2) \ |
146 | : "memory" \ |
147 | ); \ |
148 | } while(0) |
149 | |
150 | #define DTRACE_PROBE4(provider, name, arg0, arg1, arg2, arg3) \ |
151 | do { \ |
152 | register uintptr_t __dtrace_a0 asm("x0") = (uintptr_t) arg0; \ |
153 | register uintptr_t __dtrace_a1 asm("x1") = (uintptr_t) arg1; \ |
154 | register uintptr_t __dtrace_a2 asm("x2") = (uintptr_t) arg2; \ |
155 | register uintptr_t __dtrace_a3 asm("x3") = (uintptr_t) arg3; \ |
156 | asm volatile ( \ |
157 | DTRACE_CALL(provider, name) \ |
158 | : \ |
159 | : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2), \ |
160 | "r" (__dtrace_a3) \ |
161 | : "memory" \ |
162 | ); \ |
163 | } while(0) |
164 | |
165 | #define DTRACE_PROBE5(provider, name, arg0, arg1, arg2, arg3, arg4) \ |
166 | do { \ |
167 | register uintptr_t __dtrace_a0 asm("x0") = (uintptr_t) arg0; \ |
168 | register uintptr_t __dtrace_a1 asm("x1") = (uintptr_t) arg1; \ |
169 | register uintptr_t __dtrace_a2 asm("x2") = (uintptr_t) arg2; \ |
170 | register uintptr_t __dtrace_a3 asm("x3") = (uintptr_t) arg3; \ |
171 | register uintptr_t __dtrace_a4 asm("x4") = (uintptr_t) arg4; \ |
172 | asm volatile ( \ |
173 | DTRACE_CALL(provider, name) \ |
174 | : \ |
175 | : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2), \ |
176 | "r" (__dtrace_a3), "r" (__dtrace_a4) \ |
177 | : "memory" \ |
178 | ); \ |
179 | } while(0) |
180 | |
181 | #define DTRACE_PROBE6(provider, name, arg0, arg1, arg2, arg3, arg4, arg5) \ |
182 | do { \ |
183 | register uintptr_t __dtrace_a0 asm("x0") = (uintptr_t) arg0; \ |
184 | register uintptr_t __dtrace_a1 asm("x1") = (uintptr_t) arg1; \ |
185 | register uintptr_t __dtrace_a2 asm("x2") = (uintptr_t) arg2; \ |
186 | register uintptr_t __dtrace_a3 asm("x3") = (uintptr_t) arg3; \ |
187 | register uintptr_t __dtrace_a4 asm("x4") = (uintptr_t) arg4; \ |
188 | register uintptr_t __dtrace_a5 asm("x5") = (uintptr_t) arg5; \ |
189 | asm volatile ( \ |
190 | DTRACE_CALL(provider, name) \ |
191 | : \ |
192 | : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2), \ |
193 | "r" (__dtrace_a3), "r" (__dtrace_a4), "r" (__dtrace_a5) \ |
194 | : "memory" \ |
195 | ); \ |
196 | } while(0) |
197 | |
198 | #define DTRACE_PROBE7(provider, name, arg0, arg1, arg2, arg3, arg4, arg5, arg6) \ |
199 | do { \ |
200 | register uintptr_t __dtrace_a0 asm("x0") = (uintptr_t) arg0; \ |
201 | register uintptr_t __dtrace_a1 asm("x1") = (uintptr_t) arg1; \ |
202 | register uintptr_t __dtrace_a2 asm("x2") = (uintptr_t) arg2; \ |
203 | register uintptr_t __dtrace_a3 asm("x3") = (uintptr_t) arg3; \ |
204 | register uintptr_t __dtrace_a4 asm("x4") = (uintptr_t) arg4; \ |
205 | register uintptr_t __dtrace_a5 asm("x5") = (uintptr_t) arg5; \ |
206 | register uintptr_t __dtrace_a6 asm("x6") = (uintptr_t) arg6; \ |
207 | asm volatile ( \ |
208 | DTRACE_CALL(provider, name) \ |
209 | : \ |
210 | : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2), \ |
211 | "r" (__dtrace_a3), "r" (__dtrace_a4), "r" (__dtrace_a5), \ |
212 | "r" (__dtrace_a6) \ |
213 | : "memory" \ |
214 | ); \ |
215 | } while(0) |
216 | |
217 | #define DTRACE_PROBE8(provider, name, arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ |
218 | do { \ |
219 | register uintptr_t __dtrace_a0 asm("x0") = (uintptr_t) arg0; \ |
220 | register uintptr_t __dtrace_a1 asm("x1") = (uintptr_t) arg1; \ |
221 | register uintptr_t __dtrace_a2 asm("x2") = (uintptr_t) arg2; \ |
222 | register uintptr_t __dtrace_a3 asm("x3") = (uintptr_t) arg3; \ |
223 | register uintptr_t __dtrace_a4 asm("x4") = (uintptr_t) arg4; \ |
224 | register uintptr_t __dtrace_a5 asm("x5") = (uintptr_t) arg5; \ |
225 | register uintptr_t __dtrace_a6 asm("x6") = (uintptr_t) arg6; \ |
226 | register uintptr_t __dtrace_a7 asm("x7") = (uintptr_t) arg7; \ |
227 | asm volatile ( \ |
228 | DTRACE_CALL(provider, name) \ |
229 | : \ |
230 | : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2), \ |
231 | "r" (__dtrace_a3), "r" (__dtrace_a4), "r" (__dtrace_a5), \ |
232 | "r" (__dtrace_a6), "r" (__dtrace_a7) \ |
233 | : "memory" \ |
234 | ); \ |
235 | } while(0) |
236 | |
237 | #endif /* defined (__arm64__) */ |
238 | |
239 | #endif /* _MACH_ARM_SDT_ISA_H */ |
240 | |