1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 : * vim: set ts=4 sw=4 et tw=99:
3 : *
4 : * ***** BEGIN LICENSE BLOCK *****
5 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 : *
7 : * The contents of this file are subject to the Mozilla Public License Version
8 : * 1.1 (the "License"); you may not use this file except in compliance with
9 : * the License. You may obtain a copy of the License at
10 : * http://www.mozilla.org/MPL/
11 : *
12 : * Software distributed under the License is distributed on an "AS IS" basis,
13 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14 : * for the specific language governing rights and limitations under the
15 : * License.
16 : *
17 : * The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
18 : * May 28, 2008.
19 : *
20 : * The Initial Developer of the Original Code is
21 : * Brendan Eich <brendan@mozilla.org>
22 : *
23 : * Contributor(s):
24 : * David Anderson <danderson@mozilla.com>
25 : * Julian Seward <jseward@acm.org>
26 : *
27 : * Alternatively, the contents of this file may be used under the terms of
28 : * either of the GNU General Public License Version 2 or later (the "GPL"),
29 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30 : * in which case the provisions of the GPL or the LGPL are applicable instead
31 : * of those above. If you wish to allow use of your version of this file only
32 : * under the terms of either the GPL or the LGPL, and not to allow others to
33 : * use your version of this file under the terms of the MPL, indicate your
34 : * decision by deleting the provisions above and replace them with the notice
35 : * and other provisions required by the GPL or the LGPL. If you do not delete
36 : * the provisions above, a recipient may use your version of this file under
37 : * the terms of any one of the MPL, the GPL or the LGPL.
38 : *
39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #if !defined jsjaeger_logging_h__
42 : #define jsjaeger_logging_h__
43 :
44 : #include "assembler/wtf/Platform.h"
45 : #include "prmjtime.h"
46 :
47 : #if defined(JS_METHODJIT) || ENABLE_YARR_JIT
48 :
49 : namespace js {
50 :
51 : #define JSPEW_CHAN_MAP(_) \
52 : _(Abort) \
53 : _(Scripts) \
54 : _(Prof) \
55 : _(JSOps) \
56 : _(Insns) \
57 : _(VMFrame) \
58 : _(PICs) \
59 : _(SlowCalls) \
60 : _(Analysis) \
61 : _(Regalloc) \
62 : _(Inlining) \
63 : _(Recompile)
64 :
65 : enum JaegerSpewChannel {
66 : #define _(name) JSpew_##name,
67 : JSPEW_CHAN_MAP(_)
68 : #undef _
69 : JSpew_Terminator
70 : };
71 :
72 : #if defined(DEBUG) && !defined(JS_METHODJIT_SPEW)
73 : # define JS_METHODJIT_SPEW
74 : #endif
75 :
76 : #if defined(JS_METHODJIT_SPEW)
77 :
78 : void JMCheckLogging();
79 :
80 : struct ConditionalLog {
81 : uint32_t oldBits;
82 : bool logging;
83 : ConditionalLog(bool logging);
84 : ~ConditionalLog();
85 : };
86 :
87 : bool IsJaegerSpewChannelActive(JaegerSpewChannel channel);
88 : #ifdef __GNUC__
89 : void JaegerSpew(JaegerSpewChannel channel, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
90 : #else
91 : void JaegerSpew(JaegerSpewChannel channel, const char *fmt, ...);
92 : #endif
93 :
94 : struct Profiler {
95 : int64_t t_start;
96 : int64_t t_stop;
97 :
98 8721608 : static inline int64_t now() {
99 8721608 : return PRMJ_Now();
100 : }
101 :
102 4363436 : inline void start() {
103 4363436 : t_start = now();
104 4363436 : }
105 :
106 4358172 : inline void stop() {
107 4358172 : t_stop = now();
108 4358172 : }
109 :
110 4229345 : inline uint32_t time_ms() {
111 4229345 : return uint32_t((t_stop - t_start) / PRMJ_USEC_PER_MSEC);
112 : }
113 :
114 128827 : inline uint32_t time_us() {
115 128827 : return uint32_t(t_stop - t_start);
116 : }
117 : };
118 :
119 : #else
120 :
121 : static inline void JaegerSpew(JaegerSpewChannel channel, const char *fmt, ...)
122 : {
123 : }
124 :
125 : #endif
126 :
127 : }
128 :
129 : #endif
130 :
131 : #endif
132 :
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