hphp/runtime/vm/jit/mcgen.cpp

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #include "hphp/runtime/vm/jit/mcgen.h"
  18
  19 #include "hphp/runtime/vm/jit/mcgen-prologue.h"
  20 #include "hphp/runtime/vm/jit/mcgen-translate.h"
  21
  22 #include "hphp/runtime/vm/jit/debugger.h"
  23 #include "hphp/runtime/vm/jit/func-prologue.h"
  24 #include "hphp/runtime/vm/jit/prof-data.h"
  25 #include "hphp/runtime/vm/jit/tc.h"
  26 #include "hphp/runtime/vm/jit/trans-db.h"
  27 #include "hphp/runtime/vm/jit/unique-stubs.h"
  28 #include "hphp/runtime/vm/jit/unwind-itanium.h"
  29 #include "hphp/runtime/vm/jit/vtune-jit.h"
  30 #include "hphp/runtime/vm/jit/write-lease.h"
  31
  32 #include "hphp/runtime/vm/debug/debug.h"
  33
  34 #include "hphp/util/timer.h"
  35 #include "hphp/util/trace.h"
  36
  37 TRACE_SET_MOD(mcg);
  38
  39 namespace HPHP { namespace jit {
  40
  41 TransEnv::~TransEnv() {}
  42
  43 namespace mcgen {
  44
  45 namespace {
  46
  47 int64_t s_startTime;
  48 bool s_inited{false};
  49
  50 ////////////////////////////////////////////////////////////////////////////////
  51 }
  52
  53 void processInit() {
  54   TRACE(1, "mcgen startup\n");
  55
  56   g_unwind_rds.bind(rds::Mode::Normal);
  57
  58   Debug::initDebugInfo();
  59   tc::processInit();
  60
  61   if (Trace::moduleEnabledRelease(Trace::printir) &&
  62       !RuntimeOption::EvalJit) {
  63     Trace::traceRelease("TRACE=printir is set but the jit isn't on. "
  64                         "Did you mean to run with -vEval.Jit=1?\n");
  65   }
  66
  67   s_startTime = HPHP::Timer::GetCurrentTimeMicros();
  68   initInstrInfo();
  69
  70   s_inited = true;
  71 }
  72
  73 bool initialized() { return s_inited; }
  74
  75 int64_t jitInitTime() { return s_startTime; }
  76
  77 bool dumpTCAnnotation(const Func& func, TransKind transKind) {
  78   return RuntimeOption::EvalDumpTCAnnotationsForAllTrans ||
  79     (transKind == TransKind::Optimize && func.isHot());
  80 }
  81
  82 }}}