1 /*
2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2009, 2012 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef SHARE_VM_UTILITIES_DTRACE_HPP
27 #define SHARE_VM_UTILITIES_DTRACE_HPP
28
29 #if defined(DTRACE_ENABLED)
30
31 #include <sys/sdt.h>
32
33 #define DTRACE_ONLY(x) x
34 #define NOT_DTRACE(x)
35
36 #if defined(SOLARIS)
37 // Work around dtrace tail call bug 6672627 until it is fixed in solaris 10.
38 #define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG() \
39 do { volatile size_t dtrace_workaround_tail_call_bug = 1; } while (0)
40
41 #define USDT1 1
42 #elif defined(LINUX)
43 #define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG()
44 #define USDT1 1
45 #elif defined(__APPLE__)
46 #define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG()
47 #define USDT2 1
48 #include <sys/types.h>
49 #include "dtracefiles/hotspot.h"
50 #include "dtracefiles/hotspot_jni.h"
51 #include "dtracefiles/hs_private.h"
52 #else
53 #error "dtrace enabled for unknown os"
54 #endif /* defined(SOLARIS) */
55
56 #else /* defined(DTRACE_ENABLED) */
57
58 #define DTRACE_ONLY(x)
59 #define NOT_DTRACE(x) x
60
61 #define HS_DTRACE_WORKAROUND_TAIL_CALL_BUG()
62
63 #ifndef USDT2
64
65 #define DTRACE_PROBE(a,b) {;}
66 #define DTRACE_PROBE1(a,b,c) {;}
67 #define DTRACE_PROBE2(a,b,c,d) {;}
68 #define DTRACE_PROBE3(a,b,c,d,e) {;}
69 #define DTRACE_PROBE4(a,b,c,d,e,f) {;}
70 #define DTRACE_PROBE5(a,b,c,d,e,f,g) {;}
71 #define DTRACE_PROBE6(a,b,c,d,e,f,g,h) {;}
72 #define DTRACE_PROBE7(a,b,c,d,e,f,g,h,i) {;}
73 #define DTRACE_PROBE8(a,b,c,d,e,f,g,h,i,j) {;}
74 #define DTRACE_PROBE9(a,b,c,d,e,f,g,h,i,j,k) {;}
75 #define DTRACE_PROBE10(a,b,c,d,e,f,g,h,i,j,k,l) {;}
76
77 #else /* USDT2 */
78
79 #include "dtrace_usdt2_disabled.hpp"
80 #endif /* USDT2 */
81
82 #endif /* defined(DTRACE_ENABLED) */
83
84 #ifndef USDT2
85
86 #define HS_DTRACE_PROBE_FN(provider,name)\
87 __dtrace_##provider##___##name
88
89 #ifdef SOLARIS
90 // Solaris dtrace needs actual extern function decls.
91 #define HS_DTRACE_PROBE_DECL_N(provider,name,args) \
92 DTRACE_ONLY(extern "C" void HS_DTRACE_PROBE_FN(provider,name) args)
93 #define HS_DTRACE_PROBE_CDECL_N(provider,name,args) \
94 DTRACE_ONLY(extern void HS_DTRACE_PROBE_FN(provider,name) args)
95 #else
96 // Systemtap dtrace compatible probes on GNU/Linux don't.
97 // If dtrace is disabled this macro becomes NULL
98 #define HS_DTRACE_PROBE_DECL_N(provider,name,args)
99 #define HS_DTRACE_PROBE_CDECL_N(provider,name,args)
100 #endif
101
102 /* Dtrace probe declarations */
103 #define HS_DTRACE_PROBE_DECL(provider,name) \
104 HS_DTRACE_PROBE_DECL0(provider,name)
105 #define HS_DTRACE_PROBE_DECL0(provider,name)\
106 HS_DTRACE_PROBE_DECL_N(provider,name,(void))
107 #define HS_DTRACE_PROBE_DECL1(provider,name,t0)\
108 HS_DTRACE_PROBE_DECL_N(provider,name,(uintptr_t))
109 #define HS_DTRACE_PROBE_DECL2(provider,name,t0,t1)\
110 HS_DTRACE_PROBE_DECL_N(provider,name,(uintptr_t,uintptr_t))
111 #define HS_DTRACE_PROBE_DECL3(provider,name,t0,t1,t2)\
112 HS_DTRACE_PROBE_DECL_N(provider,name,(uintptr_t,uintptr_t,uintptr_t))
113 #define HS_DTRACE_PROBE_DECL4(provider,name,t0,t1,t2,t3)\
114 HS_DTRACE_PROBE_DECL_N(provider,name,(uintptr_t,uintptr_t,uintptr_t,\
115 uintptr_t))
116 #define HS_DTRACE_PROBE_DECL5(provider,name,t0,t1,t2,t3,t4)\
117 HS_DTRACE_PROBE_DECL_N(provider,name,(\
118 uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t))
119 #define HS_DTRACE_PROBE_DECL6(provider,name,t0,t1,t2,t3,t4,t5)\
120 HS_DTRACE_PROBE_DECL_N(provider,name,(\
121 uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t))
122 #define HS_DTRACE_PROBE_DECL7(provider,name,t0,t1,t2,t3,t4,t5,t6)\
123 HS_DTRACE_PROBE_DECL_N(provider,name,(\
124 uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t))
125 #define HS_DTRACE_PROBE_DECL8(provider,name,t0,t1,t2,t3,t4,t5,t6,t7)\
126 HS_DTRACE_PROBE_DECL_N(provider,name,(\
127 uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,\
128 uintptr_t))
129 #define HS_DTRACE_PROBE_DECL9(provider,name,t0,t1,t2,t3,t4,t5,t6,t7,t8)\
130 HS_DTRACE_PROBE_DECL_N(provider,name,(\
131 uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,\
132 uintptr_t,uintptr_t))
133 #define HS_DTRACE_PROBE_DECL10(provider,name,t0,t1,t2,t3,t4,t5,t6,t7,t8,t9)\
134 HS_DTRACE_PROBE_DECL_N(provider,name,(\
135 uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,uintptr_t,\
136 uintptr_t,uintptr_t,uintptr_t))
137
138 /* Dtrace probe definitions */
139 #if defined(SOLARIS)
140 // Solaris dtrace uses actual function calls.
141 #define HS_DTRACE_PROBE_N(provider,name, args) \
142 DTRACE_ONLY(HS_DTRACE_PROBE_FN(provider,name) args)
143
144 #define HS_DTRACE_PROBE(provider,name) HS_DTRACE_PROBE0(provider,name)
145 #define HS_DTRACE_PROBE0(provider,name)\
146 HS_DTRACE_PROBE_N(provider,name,())
147 #define HS_DTRACE_PROBE1(provider,name,a0)\
148 HS_DTRACE_PROBE_N(provider,name,((uintptr_t)a0))
149 #define HS_DTRACE_PROBE2(provider,name,a0,a1)\
150 HS_DTRACE_PROBE_N(provider,name,((uintptr_t)a0,(uintptr_t)a1))
151 #define HS_DTRACE_PROBE3(provider,name,a0,a1,a2)\
152 HS_DTRACE_PROBE_N(provider,name,((uintptr_t)a0,(uintptr_t)a1,(uintptr_t)a2))
153 #define HS_DTRACE_PROBE4(provider,name,a0,a1,a2,a3)\
154 HS_DTRACE_PROBE_N(provider,name,((uintptr_t)a0,(uintptr_t)a1,(uintptr_t)a2,\
155 (uintptr_t)a3))
156 #define HS_DTRACE_PROBE5(provider,name,a0,a1,a2,a3,a4)\
157 HS_DTRACE_PROBE_N(provider,name,((uintptr_t)a0,(uintptr_t)a1,(uintptr_t)a2,\
158 (uintptr_t)a3,(uintptr_t)a4))
159 #define HS_DTRACE_PROBE6(provider,name,a0,a1,a2,a3,a4,a5)\
160 HS_DTRACE_PROBE_N(provider,name,((uintptr_t)a0,(uintptr_t)a1,(uintptr_t)a2,\
161 (uintptr_t)a3,(uintptr_t)a4,(uintptr_t)a5))
162 #define HS_DTRACE_PROBE7(provider,name,a0,a1,a2,a3,a4,a5,a6)\
163 HS_DTRACE_PROBE_N(provider,name,((uintptr_t)a0,(uintptr_t)a1,(uintptr_t)a2,\
164 (uintptr_t)a3,(uintptr_t)a4,(uintptr_t)a5,(uintptr_t)a6))
165 #define HS_DTRACE_PROBE8(provider,name,a0,a1,a2,a3,a4,a5,a6,a7)\
166 HS_DTRACE_PROBE_N(provider,name,((uintptr_t)a0,(uintptr_t)a1,(uintptr_t)a2,\
167 (uintptr_t)a3,(uintptr_t)a4,(uintptr_t)a5,(uintptr_t)a6,(uintptr_t)a7))
168 #define HS_DTRACE_PROBE9(provider,name,a0,a1,a2,a3,a4,a5,a6,a7,a8)\
169 HS_DTRACE_PROBE_N(provider,name,((uintptr_t)a0,(uintptr_t)a1,(uintptr_t)a2,\
170 (uintptr_t)a3,(uintptr_t)a4,(uintptr_t)a5,(uintptr_t)a6,(uintptr_t)a7,\
171 (uintptr_t)a8))
172 #define HS_DTRACE_PROBE10(provider,name,a0,a1,a2,a3,a4,a5,a6,a7,a8,a9)\
173 HS_DTRACE_PROBE_N(provider,name,((uintptr_t)a0,(uintptr_t)a1,(uintptr_t)a2,\
174 (uintptr_t)a3,(uintptr_t)a4,(uintptr_t)a5,(uintptr_t)a6,(uintptr_t)a7,\
175 (uintptr_t)a8,(uintptr_t)a9))
176 #else
177 // Systemtap dtrace compatible probes on GNU/Linux use direct macros.
178 // If dtrace is disabled this macro becomes NULL
179 #define HS_DTRACE_PROBE(provider,name) HS_DTRACE_PROBE0(provider,name)
180 #define HS_DTRACE_PROBE0(provider,name)\
181 DTRACE_PROBE(provider,name)
182 #define HS_DTRACE_PROBE1(provider,name,a0)\
183 DTRACE_PROBE1(provider,name,a0)
184 #define HS_DTRACE_PROBE2(provider,name,a0,a1)\
185 DTRACE_PROBE2(provider,name,a0,a1)
186 #define HS_DTRACE_PROBE3(provider,name,a0,a1,a2)\
187 DTRACE_PROBE3(provider,name,a0,a1,a2)
188 #define HS_DTRACE_PROBE4(provider,name,a0,a1,a2,a3)\
189 DTRACE_PROBE4(provider,name,a0,a1,a2,a3)
190 #define HS_DTRACE_PROBE5(provider,name,a0,a1,a2,a3,a4)\
191 DTRACE_PROBE5(provider,name,a0,a1,a2,a3,a4)
192 #define HS_DTRACE_PROBE6(provider,name,a0,a1,a2,a3,a4,a5)\
193 DTRACE_PROBE6(provider,name,a0,a1,a2,a3,a4,a5)
194 #define HS_DTRACE_PROBE7(provider,name,a0,a1,a2,a3,a4,a5,a6)\
195 DTRACE_PROBE7(provider,name,a0,a1,a2,a3,a4,a5,a6)
196 #define HS_DTRACE_PROBE8(provider,name,a0,a1,a2,a3,a4,a5,a6,a7)\
197 DTRACE_PROBE8(provider,name,a0,a1,a2,a3,a4,a5,a6,a7)
198 #define HS_DTRACE_PROBE9(provider,name,a0,a1,a2,a3,a4,a5,a6,a7,a8)\
199 DTRACE_PROBE9(provider,name,a0,a1,a2,a3,a4,a5,a6,a7,a8)
200 #define HS_DTRACE_PROBE10(provider,name,a0,a1,a2,a3,a4,a5,a6,a7,a8,a9)\
201 DTRACE_PROBE10(provider,name,a0,a1,a2,a3,a4,a5,a6,a7,a8,a9)
202 #endif
203
204 #endif /* !USDT2 */
205
206 #endif // SHARE_VM_UTILITIES_DTRACE_HPP