1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit/IonSpewer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,205 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef jit_IonSpewer_h
1.11 +#define jit_IonSpewer_h
1.12 +
1.13 +#include "mozilla/DebugOnly.h"
1.14 +
1.15 +#include <stdarg.h>
1.16 +
1.17 +#include "jit/C1Spewer.h"
1.18 +#include "jit/JSONSpewer.h"
1.19 +#include "js/RootingAPI.h"
1.20 +
1.21 +namespace js {
1.22 +namespace jit {
1.23 +
1.24 +// New channels may be added below.
1.25 +#define IONSPEW_CHANNEL_LIST(_) \
1.26 + /* Used to abort SSA construction */ \
1.27 + _(Abort) \
1.28 + /* Information about compiled scripts */\
1.29 + _(Scripts) \
1.30 + /* Information during MIR building */ \
1.31 + _(Logs) \
1.32 + /* Info about failing to log script */ \
1.33 + _(MIR) \
1.34 + /* Information during alias analysis */ \
1.35 + _(Alias) \
1.36 + /* Information during GVN */ \
1.37 + _(GVN) \
1.38 + /* Information during Range analysis */ \
1.39 + _(Range) \
1.40 + /* Information during LICM */ \
1.41 + _(LICM) \
1.42 + /* Information during regalloc */ \
1.43 + _(RegAlloc) \
1.44 + /* Information during inlining */ \
1.45 + _(Inlining) \
1.46 + /* Information during codegen */ \
1.47 + _(Codegen) \
1.48 + /* Information during bailouts */ \
1.49 + _(Bailouts) \
1.50 + /* Information during OSI */ \
1.51 + _(Invalidate) \
1.52 + /* Debug info about snapshots */ \
1.53 + _(Snapshots) \
1.54 + /* Generated inline cache stubs */ \
1.55 + _(InlineCaches) \
1.56 + /* Debug info about safepoints */ \
1.57 + _(Safepoints) \
1.58 + /* Debug info about Pools*/ \
1.59 + _(Pools) \
1.60 + /* Calls to js::jit::Trace() */ \
1.61 + _(Trace) \
1.62 + /* Debug info about the I$ */ \
1.63 + _(CacheFlush) \
1.64 + \
1.65 + /* BASELINE COMPILER SPEW */ \
1.66 + \
1.67 + /* Aborting Script Compilation. */ \
1.68 + _(BaselineAbort) \
1.69 + /* Script Compilation. */ \
1.70 + _(BaselineScripts) \
1.71 + /* Detailed op-specific spew. */ \
1.72 + _(BaselineOp) \
1.73 + /* Inline caches. */ \
1.74 + _(BaselineIC) \
1.75 + /* Inline cache fallbacks. */ \
1.76 + _(BaselineICFallback) \
1.77 + /* OSR from Baseline => Ion. */ \
1.78 + _(BaselineOSR) \
1.79 + /* Bailouts. */ \
1.80 + _(BaselineBailouts) \
1.81 + /* Debug Mode On Stack Recompile . */ \
1.82 + _(BaselineDebugModeOSR)
1.83 +
1.84 +
1.85 +enum IonSpewChannel {
1.86 +#define IONSPEW_CHANNEL(name) IonSpew_##name,
1.87 + IONSPEW_CHANNEL_LIST(IONSPEW_CHANNEL)
1.88 +#undef IONSPEW_CHANNEL
1.89 + IonSpew_Terminator
1.90 +};
1.91 +
1.92 +
1.93 +// The IonSpewer is only available on debug builds.
1.94 +// None of the global functions have effect on non-debug builds.
1.95 +static const int NULL_ID = -1;
1.96 +
1.97 +#ifdef DEBUG
1.98 +
1.99 +class IonSpewer
1.100 +{
1.101 + private:
1.102 + MIRGraph *graph;
1.103 + JS::HandleScript function;
1.104 + C1Spewer c1Spewer;
1.105 + JSONSpewer jsonSpewer;
1.106 + bool inited_;
1.107 +
1.108 + public:
1.109 + IonSpewer()
1.110 + : graph(nullptr), function(NullPtr()), inited_(false)
1.111 + { }
1.112 +
1.113 + // File output is terminated safely upon destruction.
1.114 + ~IonSpewer();
1.115 +
1.116 + bool init();
1.117 + void beginFunction(MIRGraph *graph, JS::HandleScript);
1.118 + bool isSpewingFunction() const;
1.119 + void spewPass(const char *pass);
1.120 + void spewPass(const char *pass, LinearScanAllocator *ra);
1.121 + void endFunction();
1.122 +};
1.123 +
1.124 +void IonSpewNewFunction(MIRGraph *graph, JS::HandleScript function);
1.125 +void IonSpewPass(const char *pass);
1.126 +void IonSpewPass(const char *pass, LinearScanAllocator *ra);
1.127 +void IonSpewEndFunction();
1.128 +
1.129 +void CheckLogging();
1.130 +extern FILE *IonSpewFile;
1.131 +void IonSpew(IonSpewChannel channel, const char *fmt, ...);
1.132 +void IonSpewStart(IonSpewChannel channel, const char *fmt, ...);
1.133 +void IonSpewCont(IonSpewChannel channel, const char *fmt, ...);
1.134 +void IonSpewFin(IonSpewChannel channel);
1.135 +void IonSpewHeader(IonSpewChannel channel);
1.136 +bool IonSpewEnabled(IonSpewChannel channel);
1.137 +void IonSpewVA(IonSpewChannel channel, const char *fmt, va_list ap);
1.138 +void IonSpewStartVA(IonSpewChannel channel, const char *fmt, va_list ap);
1.139 +void IonSpewContVA(IonSpewChannel channel, const char *fmt, va_list ap);
1.140 +
1.141 +void EnableChannel(IonSpewChannel channel);
1.142 +void DisableChannel(IonSpewChannel channel);
1.143 +void EnableIonDebugLogging();
1.144 +
1.145 +#else
1.146 +
1.147 +static inline void IonSpewNewFunction(MIRGraph *graph, JS::HandleScript function)
1.148 +{ }
1.149 +static inline void IonSpewPass(const char *pass)
1.150 +{ }
1.151 +static inline void IonSpewPass(const char *pass, LinearScanAllocator *ra)
1.152 +{ }
1.153 +static inline void IonSpewEndFunction()
1.154 +{ }
1.155 +
1.156 +static inline void CheckLogging()
1.157 +{ }
1.158 +static FILE *const IonSpewFile = nullptr;
1.159 +static inline void IonSpew(IonSpewChannel, const char *fmt, ...)
1.160 +{ }
1.161 +static inline void IonSpewStart(IonSpewChannel channel, const char *fmt, ...)
1.162 +{ }
1.163 +static inline void IonSpewCont(IonSpewChannel channel, const char *fmt, ...)
1.164 +{ }
1.165 +static inline void IonSpewFin(IonSpewChannel channel)
1.166 +{ }
1.167 +
1.168 +static inline void IonSpewHeader(IonSpewChannel channel)
1.169 +{ }
1.170 +static inline bool IonSpewEnabled(IonSpewChannel channel)
1.171 +{ return false; }
1.172 +static inline void IonSpewVA(IonSpewChannel channel, const char *fmt, va_list ap)
1.173 +{ }
1.174 +
1.175 +static inline void EnableChannel(IonSpewChannel)
1.176 +{ }
1.177 +static inline void DisableChannel(IonSpewChannel)
1.178 +{ }
1.179 +static inline void EnableIonDebugLogging()
1.180 +{ }
1.181 +
1.182 +#endif /* DEBUG */
1.183 +
1.184 +template <IonSpewChannel Channel>
1.185 +class AutoDisableSpew
1.186 +{
1.187 + mozilla::DebugOnly<bool> enabled_;
1.188 +
1.189 + public:
1.190 + AutoDisableSpew()
1.191 + : enabled_(IonSpewEnabled(Channel))
1.192 + {
1.193 + DisableChannel(Channel);
1.194 + }
1.195 +
1.196 + ~AutoDisableSpew()
1.197 + {
1.198 +#ifdef DEBUG
1.199 + if (enabled_)
1.200 + EnableChannel(Channel);
1.201 +#endif
1.202 + }
1.203 +};
1.204 +
1.205 +} /* ion */
1.206 +} /* js */
1.207 +
1.208 +#endif /* jit_IonSpewer_h */
