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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifdef DEBUG
#include "Ion.h"
#include "IonSpewer.h"
#include "jsscriptinlines.h"
#ifndef ION_SPEW_DIR
# if defined(_WIN32)
# define ION_SPEW_DIR ""
# elif defined(__ANDROID__)
# define ION_SPEW_DIR "/data/local/tmp/"
# else
# define ION_SPEW_DIR "/tmp/"
# endif
#endif
using namespace js;
using namespace js::jit;
// IonSpewer singleton.
static IonSpewer ionspewer;
static bool LoggingChecked = false;
static uint32_t LoggingBits = 0;
static uint32_t filteredOutCompilations = 0;
static const char * const ChannelNames[] =
{
#define IONSPEW_CHANNEL(name) #name,
IONSPEW_CHANNEL_LIST(IONSPEW_CHANNEL)
#undef IONSPEW_CHANNEL
};
static bool
FilterContainsLocation(HandleScript function)
{
static const char *filter = getenv("IONFILTER");
// If there is no filter we accept all outputs.
if (!filter || !filter[0])
return true;
// Disable asm.js output when filter is set.
if (!function)
return false;
const char *filename = function->filename();
const size_t line = function->lineno;
static size_t filelen = strlen(filename);
const char *index = strstr(filter, filename);
while (index) {
if (index == filter || index[-1] == ',') {
if (index[filelen] == 0 || index[filelen] == ',')
return true;
if (index[filelen] == ':' && line != size_t(-1)) {
size_t read_line = strtoul(&index[filelen + 1], NULL, 10);
if (read_line == line)
return true;
}
}
index = strstr(index + filelen, filename);
}
return false;
}
void
jit::EnableIonDebugLogging()
{
ionspewer.init();
}
void
jit::IonSpewNewFunction(MIRGraph *graph, HandleScript function)
{
if (!js_IonOptions.parallelCompilation)
ionspewer.beginFunction(graph, function);
}
void
jit::IonSpewPass(const char *pass)
{
if (!js_IonOptions.parallelCompilation)
ionspewer.spewPass(pass);
}
void
jit::IonSpewPass(const char *pass, LinearScanAllocator *ra)
{
if (!js_IonOptions.parallelCompilation)
ionspewer.spewPass(pass, ra);
}
void
jit::IonSpewEndFunction()
{
if (!js_IonOptions.parallelCompilation)
ionspewer.endFunction();
}
IonSpewer::~IonSpewer()
{
if (!inited_)
return;
c1Spewer.finish();
jsonSpewer.finish();
}
bool
IonSpewer::init()
{
if (inited_)
return true;
if (!c1Spewer.init(ION_SPEW_DIR "ion.cfg"))
return false;
if (!jsonSpewer.init(ION_SPEW_DIR "ion.json"))
return false;
inited_ = true;
return true;
}
bool
IonSpewer::isSpewingFunction() const
{
return inited_ && graph;
}
void
IonSpewer::beginFunction(MIRGraph *graph, HandleScript function)
{
if (!inited_)
return;
if (!FilterContainsLocation(function)) {
JS_ASSERT(!this->graph);
// filter out logs during the compilation.
filteredOutCompilations++;
return;
}
this->graph = graph;
this->function = function;
c1Spewer.beginFunction(graph, function);
jsonSpewer.beginFunction(function);
}
void
IonSpewer::spewPass(const char *pass)
{
if (!isSpewingFunction())
return;
c1Spewer.spewPass(pass);
jsonSpewer.beginPass(pass);
jsonSpewer.spewMIR(graph);
jsonSpewer.spewLIR(graph);
jsonSpewer.endPass();
}
void
IonSpewer::spewPass(const char *pass, LinearScanAllocator *ra)
{
if (!isSpewingFunction())
return;
c1Spewer.spewPass(pass);
c1Spewer.spewIntervals(pass, ra);
jsonSpewer.beginPass(pass);
jsonSpewer.spewMIR(graph);
jsonSpewer.spewLIR(graph);
jsonSpewer.spewIntervals(ra);
jsonSpewer.endPass();
}
void
IonSpewer::endFunction()
{
if (!isSpewingFunction()) {
filteredOutCompilations--;
return;
}
c1Spewer.endFunction();
jsonSpewer.endFunction();
this->graph = NULL;
}
FILE *jit::IonSpewFile = NULL;
static bool
ContainsFlag(const char *str, const char *flag)
{
size_t flaglen = strlen(flag);
const char *index = strstr(str, flag);
while (index) {
if ((index == str || index[-1] == ',') && (index[flaglen] == 0 || index[flaglen] == ','))
return true;
index = strstr(index + flaglen, flag);
}
return false;
}
void
jit::CheckLogging()
{
if (LoggingChecked)
return;
LoggingChecked = true;
const char *env = getenv("IONFLAGS");
if (!env)
return;
if (strstr(env, "help")) {
fflush(NULL);
printf(
"\n"
"usage: IONFLAGS=option,option,option,... where options can be:\n"
"\n"
" aborts Compilation abort messages\n"
" scripts Compiled scripts\n"
" mir MIR information\n"
" alias Alias analysis\n"
" gvn Global Value Numbering\n"
" licm Loop invariant code motion\n"
" regalloc Register allocation\n"
" inline Inlining\n"
" snapshots Snapshot information\n"
" codegen Native code generation\n"
" bailouts Bailouts\n"
" caches Inline caches\n"
" osi Invalidation\n"
" safepoints Safepoints\n"
" pools Literal Pools (ARM only for now)\n"
" cacheflush Instruction Cache flushes (ARM only for now)\n"
" logs C1 and JSON visualization logging\n"
" trace Generate calls to js::jit::Trace() for effectful instructions\n"
" all Everything\n"
"\n"
" bl-aborts Baseline compiler abort messages\n"
" bl-scripts Baseline script-compilation\n"
" bl-op Baseline compiler detailed op-specific messages\n"
" bl-ic Baseline inline-cache messages\n"
" bl-ic-fb Baseline IC fallback stub messages\n"
" bl-osr Baseline IC OSR messages\n"
" bl-bails Baseline bailouts\n"
" bl-all All baseline spew\n"
"\n"
);
exit(0);
/*NOTREACHED*/
}
if (ContainsFlag(env, "aborts"))
EnableChannel(IonSpew_Abort);
if (ContainsFlag(env, "alias"))
EnableChannel(IonSpew_Alias);
if (ContainsFlag(env, "scripts"))
EnableChannel(IonSpew_Scripts);
if (ContainsFlag(env, "mir"))
EnableChannel(IonSpew_MIR);
if (ContainsFlag(env, "gvn"))
EnableChannel(IonSpew_GVN);
if (ContainsFlag(env, "range"))
EnableChannel(IonSpew_Range);
if (ContainsFlag(env, "licm"))
EnableChannel(IonSpew_LICM);
if (ContainsFlag(env, "regalloc"))
EnableChannel(IonSpew_RegAlloc);
if (ContainsFlag(env, "inline"))
EnableChannel(IonSpew_Inlining);
if (ContainsFlag(env, "snapshots"))
EnableChannel(IonSpew_Snapshots);
if (ContainsFlag(env, "codegen"))
EnableChannel(IonSpew_Codegen);
if (ContainsFlag(env, "bailouts"))
EnableChannel(IonSpew_Bailouts);
if (ContainsFlag(env, "osi"))
EnableChannel(IonSpew_Invalidate);
if (ContainsFlag(env, "caches"))
EnableChannel(IonSpew_InlineCaches);
if (ContainsFlag(env, "safepoints"))
EnableChannel(IonSpew_Safepoints);
if (ContainsFlag(env, "pools"))
EnableChannel(IonSpew_Pools);
if (ContainsFlag(env, "cacheflush"))
EnableChannel(IonSpew_CacheFlush);
if (ContainsFlag(env, "logs"))
EnableIonDebugLogging();
if (ContainsFlag(env, "trace"))
EnableChannel(IonSpew_Trace);
if (ContainsFlag(env, "all"))
LoggingBits = uint32_t(-1);
if (ContainsFlag(env, "bl-aborts"))
EnableChannel(IonSpew_BaselineAbort);
if (ContainsFlag(env, "bl-scripts"))
EnableChannel(IonSpew_BaselineScripts);
if (ContainsFlag(env, "bl-op"))
EnableChannel(IonSpew_BaselineOp);
if (ContainsFlag(env, "bl-ic"))
EnableChannel(IonSpew_BaselineIC);
if (ContainsFlag(env, "bl-ic-fb"))
EnableChannel(IonSpew_BaselineICFallback);
if (ContainsFlag(env, "bl-osr"))
EnableChannel(IonSpew_BaselineOSR);
if (ContainsFlag(env, "bl-bails"))
EnableChannel(IonSpew_BaselineBailouts);
if (ContainsFlag(env, "bl-all")) {
EnableChannel(IonSpew_BaselineAbort);
EnableChannel(IonSpew_BaselineScripts);
EnableChannel(IonSpew_BaselineOp);
EnableChannel(IonSpew_BaselineIC);
EnableChannel(IonSpew_BaselineICFallback);
EnableChannel(IonSpew_BaselineOSR);
EnableChannel(IonSpew_BaselineBailouts);
}
if (LoggingBits != 0)
EnableIonDebugLogging();
IonSpewFile = stderr;
}
void
jit::IonSpewStartVA(IonSpewChannel channel, const char *fmt, va_list ap)
{
if (!IonSpewEnabled(channel))
return;
IonSpewHeader(channel);
vfprintf(stderr, fmt, ap);
}
void
jit::IonSpewContVA(IonSpewChannel channel, const char *fmt, va_list ap)
{
if (!IonSpewEnabled(channel))
return;
vfprintf(stderr, fmt, ap);
}
void
jit::IonSpewFin(IonSpewChannel channel)
{
if (!IonSpewEnabled(channel))
return;
fprintf(stderr, "\n");
}
void
jit::IonSpewVA(IonSpewChannel channel, const char *fmt, va_list ap)
{
IonSpewStartVA(channel, fmt, ap);
IonSpewFin(channel);
}
void
jit::IonSpew(IonSpewChannel channel, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
IonSpewVA(channel, fmt, ap);
va_end(ap);
}
void
jit::IonSpewStart(IonSpewChannel channel, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
IonSpewStartVA(channel, fmt, ap);
va_end(ap);
}
void
jit::IonSpewCont(IonSpewChannel channel, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
IonSpewContVA(channel, fmt, ap);
va_end(ap);
}
void
jit::IonSpewHeader(IonSpewChannel channel)
{
if (!IonSpewEnabled(channel))
return;
fprintf(stderr, "[%s] ", ChannelNames[channel]);
}
bool
jit::IonSpewEnabled(IonSpewChannel channel)
{
JS_ASSERT(LoggingChecked);
return (LoggingBits & (1 << uint32_t(channel))) && !filteredOutCompilations;
}
void
jit::EnableChannel(IonSpewChannel channel)
{
JS_ASSERT(LoggingChecked);
LoggingBits |= (1 << uint32_t(channel));
}
void
jit::DisableChannel(IonSpewChannel channel)
{
JS_ASSERT(LoggingChecked);
LoggingBits &= ~(1 << uint32_t(channel));
}
#endif /* DEBUG */
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