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, Version 1.0 only |
6 | * (the "License"). You may not use this file except in compliance |
7 | * with the License. |
8 | * |
9 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
10 | * or http://www.opensolaris.org/os/licensing. |
11 | * See the License for the specific language governing permissions |
12 | * and limitations under the License. |
13 | * |
14 | * When distributing Covered Code, include this CDDL HEADER in each |
15 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
16 | * If applicable, add the following below this CDDL HEADER, with the |
17 | * fields enclosed by brackets "[]" replaced with your own identifying |
18 | * information: Portions Copyright [yyyy] [name of copyright owner] |
19 | * |
20 | * CDDL HEADER END |
21 | */ |
22 | /* |
23 | * Copyright 2004 Sun Microsystems, Inc. All rights reserved. |
24 | * Use is subject to license terms. |
25 | */ |
26 | |
27 | #ifndef _SDT_IMPL_H |
28 | #define _SDT_IMPL_H |
29 | |
30 | #ifdef __cplusplus |
31 | extern "C" { |
32 | #endif |
33 | |
34 | extern const char *sdt_prefix; |
35 | |
36 | typedef struct sdt_probedesc { |
37 | char *sdpd_name; /* name of this probe */ |
38 | int sdpd_namelen; |
39 | char *sdpd_func; /* APPLE NOTE: function name */ |
40 | const char *sdpd_prov; /* APPLE NOTE: provider name */ |
41 | unsigned long sdpd_offset; /* offset of call in text */ |
42 | struct sdt_probedesc *sdpd_next; /* next static probe */ |
43 | } sdt_probedesc_t; |
44 | |
45 | #ifdef __cplusplus |
46 | } |
47 | #endif |
48 | |
49 | #ifdef __cplusplus |
50 | extern "C" { |
51 | #endif |
52 | |
53 | #include <sys/dtrace.h> |
54 | |
55 | struct module { |
56 | int sdt_nprobes; |
57 | sdt_probedesc_t *sdt_probes; |
58 | }; |
59 | |
60 | extern int sdt_invop(uintptr_t, uintptr_t *, uintptr_t); |
61 | extern uint64_t sdt_getarg(void *, dtrace_id_t, void *, int, int); |
62 | |
63 | void sdt_provide_module(void *, struct modctl *); |
64 | void sdt_early_init(void); |
65 | void sdt_load_machsect(struct modctl *ctl); |
66 | void sdt_init(void); |
67 | |
68 | extern int sdt_probetab_size; |
69 | extern int sdt_probetab_mask; |
70 | #define SDT_ADDR2NDX(addr) ((((uintptr_t)(addr)) >> 4) & sdt_probetab_mask) |
71 | |
72 | |
73 | #if defined(__x86_64__) |
74 | typedef uint8_t sdt_instr_t; |
75 | #elif defined(__arm64__) |
76 | typedef uint32_t sdt_instr_t; |
77 | #else |
78 | #error Unknown implementation |
79 | #endif |
80 | |
81 | typedef struct sdt_provider { |
82 | const char *sdtp_name; /* name of provider */ |
83 | const char *sdtp_prefix; /* prefix for probe names */ |
84 | dtrace_pattr_t *sdtp_attr; /* stability attributes */ |
85 | dtrace_provider_id_t sdtp_id; /* provider ID */ |
86 | } sdt_provider_t; |
87 | |
88 | extern sdt_provider_t sdt_providers[]; /* array of providers */ |
89 | |
90 | typedef struct sdt_probe { |
91 | sdt_provider_t *sdp_provider; /* provider */ |
92 | char *sdp_name; /* name of probe */ |
93 | int sdp_namelen; /* length of allocated name */ |
94 | dtrace_id_t sdp_id; /* probe ID */ |
95 | struct modctl *sdp_ctl; /* modctl for module */ |
96 | int sdp_loadcnt; /* load count for module */ |
97 | int sdp_primary; /* non-zero if primary mod */ |
98 | sdt_instr_t *sdp_patchpoint; /* patch point */ |
99 | sdt_instr_t sdp_patchval; /* instruction to patch */ |
100 | sdt_instr_t sdp_savedval; /* saved instruction value */ |
101 | struct sdt_probe *sdp_next; /* next probe */ |
102 | struct sdt_probe *sdp_hashnext; /* next on hash */ |
103 | } sdt_probe_t; |
104 | |
105 | typedef struct sdt_argdesc { |
106 | const char *sda_provider; /* provider for arg */ |
107 | const char *sda_name; /* name of probe */ |
108 | const int sda_ndx; /* argument index */ |
109 | const int sda_mapping; /* mapping of argument */ |
110 | const char *sda_native; /* native type of argument */ |
111 | const char *sda_xlate; /* translated type of arg */ |
112 | } sdt_argdesc_t; |
113 | |
114 | extern void sdt_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *); |
115 | |
116 | #ifdef __cplusplus |
117 | } |
118 | #endif |
119 | |
120 | #endif /* _SDT_IMPL_H */ |
121 | |