js/src/jit/IonSpewer.h@6474c204b198
js/src/jit/IonSpewer.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 * vim: set ts=8 sts=4 et sw=4 tw=99:
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #ifndef jit_IonSpewer_h
8 #define jit_IonSpewer_h
10 #include "mozilla/DebugOnly.h"
12 #include <stdarg.h>
14 #include "jit/C1Spewer.h"
15 #include "jit/JSONSpewer.h"
16 #include "js/RootingAPI.h"
18 namespace js {
19 namespace jit {
21 // New channels may be added below.
22 #define IONSPEW_CHANNEL_LIST(_) \
23 /* Used to abort SSA construction */ \
24 _(Abort) \
25 /* Information about compiled scripts */\
26 _(Scripts) \
27 /* Information during MIR building */ \
28 _(Logs) \
29 /* Info about failing to log script */ \
30 _(MIR) \
31 /* Information during alias analysis */ \
32 _(Alias) \
33 /* Information during GVN */ \
34 _(GVN) \
35 /* Information during Range analysis */ \
36 _(Range) \
37 /* Information during LICM */ \
38 _(LICM) \
39 /* Information during regalloc */ \
40 _(RegAlloc) \
41 /* Information during inlining */ \
42 _(Inlining) \
43 /* Information during codegen */ \
44 _(Codegen) \
45 /* Information during bailouts */ \
46 _(Bailouts) \
47 /* Information during OSI */ \
48 _(Invalidate) \
49 /* Debug info about snapshots */ \
50 _(Snapshots) \
51 /* Generated inline cache stubs */ \
52 _(InlineCaches) \
53 /* Debug info about safepoints */ \
54 _(Safepoints) \
55 /* Debug info about Pools*/ \
56 _(Pools) \
57 /* Calls to js::jit::Trace() */ \
58 _(Trace) \
59 /* Debug info about the I$ */ \
60 _(CacheFlush) \
61 \
62 /* BASELINE COMPILER SPEW */ \
63 \
64 /* Aborting Script Compilation. */ \
65 _(BaselineAbort) \
66 /* Script Compilation. */ \
67 _(BaselineScripts) \
68 /* Detailed op-specific spew. */ \
69 _(BaselineOp) \
70 /* Inline caches. */ \
71 _(BaselineIC) \
72 /* Inline cache fallbacks. */ \
73 _(BaselineICFallback) \
74 /* OSR from Baseline => Ion. */ \
75 _(BaselineOSR) \
76 /* Bailouts. */ \
77 _(BaselineBailouts) \
78 /* Debug Mode On Stack Recompile . */ \
79 _(BaselineDebugModeOSR)
82 enum IonSpewChannel {
83 #define IONSPEW_CHANNEL(name) IonSpew_##name,
84 IONSPEW_CHANNEL_LIST(IONSPEW_CHANNEL)
85 #undef IONSPEW_CHANNEL
86 IonSpew_Terminator
87 };
90 // The IonSpewer is only available on debug builds.
91 // None of the global functions have effect on non-debug builds.
92 static const int NULL_ID = -1;
94 #ifdef DEBUG
96 class IonSpewer
97 {
98 private:
99 MIRGraph *graph;
100 JS::HandleScript function;
101 C1Spewer c1Spewer;
102 JSONSpewer jsonSpewer;
103 bool inited_;
105 public:
106 IonSpewer()
107 : graph(nullptr), function(NullPtr()), inited_(false)
108 { }
110 // File output is terminated safely upon destruction.
111 ~IonSpewer();
113 bool init();
114 void beginFunction(MIRGraph *graph, JS::HandleScript);
115 bool isSpewingFunction() const;
116 void spewPass(const char *pass);
117 void spewPass(const char *pass, LinearScanAllocator *ra);
118 void endFunction();
119 };
121 void IonSpewNewFunction(MIRGraph *graph, JS::HandleScript function);
122 void IonSpewPass(const char *pass);
123 void IonSpewPass(const char *pass, LinearScanAllocator *ra);
124 void IonSpewEndFunction();
126 void CheckLogging();
127 extern FILE *IonSpewFile;
128 void IonSpew(IonSpewChannel channel, const char *fmt, ...);
129 void IonSpewStart(IonSpewChannel channel, const char *fmt, ...);
130 void IonSpewCont(IonSpewChannel channel, const char *fmt, ...);
131 void IonSpewFin(IonSpewChannel channel);
132 void IonSpewHeader(IonSpewChannel channel);
133 bool IonSpewEnabled(IonSpewChannel channel);
134 void IonSpewVA(IonSpewChannel channel, const char *fmt, va_list ap);
135 void IonSpewStartVA(IonSpewChannel channel, const char *fmt, va_list ap);
136 void IonSpewContVA(IonSpewChannel channel, const char *fmt, va_list ap);
138 void EnableChannel(IonSpewChannel channel);
139 void DisableChannel(IonSpewChannel channel);
140 void EnableIonDebugLogging();
142 #else
144 static inline void IonSpewNewFunction(MIRGraph *graph, JS::HandleScript function)
145 { }
146 static inline void IonSpewPass(const char *pass)
147 { }
148 static inline void IonSpewPass(const char *pass, LinearScanAllocator *ra)
149 { }
150 static inline void IonSpewEndFunction()
151 { }
153 static inline void CheckLogging()
154 { }
155 static FILE *const IonSpewFile = nullptr;
156 static inline void IonSpew(IonSpewChannel, const char *fmt, ...)
157 { }
158 static inline void IonSpewStart(IonSpewChannel channel, const char *fmt, ...)
159 { }
160 static inline void IonSpewCont(IonSpewChannel channel, const char *fmt, ...)
161 { }
162 static inline void IonSpewFin(IonSpewChannel channel)
163 { }
165 static inline void IonSpewHeader(IonSpewChannel channel)
166 { }
167 static inline bool IonSpewEnabled(IonSpewChannel channel)
168 { return false; }
169 static inline void IonSpewVA(IonSpewChannel channel, const char *fmt, va_list ap)
170 { }
172 static inline void EnableChannel(IonSpewChannel)
173 { }
174 static inline void DisableChannel(IonSpewChannel)
175 { }
176 static inline void EnableIonDebugLogging()
177 { }
179 #endif /* DEBUG */
181 template <IonSpewChannel Channel>
182 class AutoDisableSpew
183 {
184 mozilla::DebugOnly<bool> enabled_;
186 public:
187 AutoDisableSpew()
188 : enabled_(IonSpewEnabled(Channel))
189 {
190 DisableChannel(Channel);
191 }
193 ~AutoDisableSpew()
194 {
195 #ifdef DEBUG
196 if (enabled_)
197 EnableChannel(Channel);
198 #endif
199 }
200 };
202 } /* ion */
203 } /* js */
205 #endif /* jit_IonSpewer_h */
