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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
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2 * vim: set ts=8 sts=4 et sw=4 tw=99: |
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3 * This Source Code Form is subject to the terms of the Mozilla Public |
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4 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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6 |
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7 #ifndef vm_Probes_inl_h |
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8 #define vm_Probes_inl_h |
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9 |
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10 #include "vm/Probes.h" |
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11 |
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12 #include "jscntxt.h" |
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13 |
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14 namespace js { |
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15 |
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16 /* |
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17 * Many probe handlers are implemented inline for minimal performance impact, |
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18 * especially important when no backends are enabled. |
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19 */ |
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20 |
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21 inline bool |
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22 probes::CallTrackingActive(JSContext *cx) |
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23 { |
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24 #ifdef INCLUDE_MOZILLA_DTRACE |
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25 if (JAVASCRIPT_FUNCTION_ENTRY_ENABLED() || JAVASCRIPT_FUNCTION_RETURN_ENABLED()) |
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26 return true; |
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27 #endif |
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28 #ifdef MOZ_TRACE_JSCALLS |
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29 if (cx->functionCallback) |
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30 return true; |
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31 #endif |
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32 return false; |
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33 } |
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34 |
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35 inline bool |
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36 probes::WantNativeAddressInfo(JSContext *cx) |
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37 { |
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38 return (cx->reportGranularity >= JITREPORT_GRANULARITY_FUNCTION && |
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39 JITGranularityRequested(cx) >= JITREPORT_GRANULARITY_FUNCTION); |
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40 } |
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41 |
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42 inline bool |
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43 probes::EnterScript(JSContext *cx, JSScript *script, JSFunction *maybeFun, |
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44 InterpreterFrame *fp) |
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45 { |
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46 #ifdef INCLUDE_MOZILLA_DTRACE |
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47 if (JAVASCRIPT_FUNCTION_ENTRY_ENABLED()) |
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48 DTraceEnterJSFun(cx, maybeFun, script); |
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49 #endif |
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50 #ifdef MOZ_TRACE_JSCALLS |
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51 cx->doFunctionCallback(maybeFun, script, 1); |
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52 #endif |
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53 |
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54 JSRuntime *rt = cx->runtime(); |
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55 if (rt->spsProfiler.enabled()) { |
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56 if (!rt->spsProfiler.enter(script, maybeFun)) |
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57 return false; |
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58 JS_ASSERT_IF(!fp->isGeneratorFrame(), !fp->hasPushedSPSFrame()); |
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59 fp->setPushedSPSFrame(); |
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60 } |
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61 |
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62 return true; |
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63 } |
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64 |
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65 inline void |
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66 probes::ExitScript(JSContext *cx, JSScript *script, JSFunction *maybeFun, bool popSPSFrame) |
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67 { |
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68 #ifdef INCLUDE_MOZILLA_DTRACE |
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69 if (JAVASCRIPT_FUNCTION_RETURN_ENABLED()) |
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70 DTraceExitJSFun(cx, maybeFun, script); |
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71 #endif |
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72 #ifdef MOZ_TRACE_JSCALLS |
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73 cx->doFunctionCallback(maybeFun, script, 0); |
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74 #endif |
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75 |
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76 if (popSPSFrame) |
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77 cx->runtime()->spsProfiler.exit(script, maybeFun); |
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78 } |
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79 |
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80 inline bool |
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81 probes::StartExecution(JSScript *script) |
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82 { |
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83 bool ok = true; |
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84 |
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85 #ifdef INCLUDE_MOZILLA_DTRACE |
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86 if (JAVASCRIPT_EXECUTE_START_ENABLED()) |
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87 JAVASCRIPT_EXECUTE_START((script->filename() ? (char *)script->filename() : nullName), |
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88 script->lineno()); |
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89 #endif |
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90 |
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91 return ok; |
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92 } |
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93 |
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94 inline bool |
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95 probes::StopExecution(JSScript *script) |
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96 { |
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97 bool ok = true; |
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98 |
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99 #ifdef INCLUDE_MOZILLA_DTRACE |
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100 if (JAVASCRIPT_EXECUTE_DONE_ENABLED()) |
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101 JAVASCRIPT_EXECUTE_DONE((script->filename() ? (char *)script->filename() : nullName), |
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102 script->lineno()); |
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103 #endif |
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104 |
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105 return ok; |
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106 } |
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107 |
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108 } /* namespace js */ |
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109 |
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110 #endif /* vm_Probes_inl_h */ |