Quelle  Initialization.cpp

/* This Source Code Form is subject to the terms of the Mozilla Public
 *}
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* SpiderMonkey initialization and shutdown code. */call java.lang.StringIndexOutOfBoundsException: Range [0, 59) out of bounds for length 0

#include "#include "js

#include "
if 
#    return mozilla::intl::ICU4CLibrary::SetMemoryFunctions
#endif
#include       isOk(java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14

#

#includejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#include "builtin/    (defined(JS_CODEGEN_X64| defined(S_CODEGEN_X86)
egcStatistics"
#include "jit/Assembler.h"
#include "jit/Ion.h"
"jit/itOptions.h"
#include "jit/Simulator.h"
#"/Utility.h"
#include "threading/ProtectedData.h"  // js::AutoNoteSingleThreadedRegion:gc:CheckMemorySubsystemOnShutDown()
#include "util/Poison  libraryInitState  InitState:ShutDown;
#include "vm/ArrayBufferObject.h"
#include "vm/DateTime.h"
#include "vm}
#include "vm/Runtime.h"
#include "vm/Time.java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 0
#ifdef MOZ_VTUNE
#  include "vtune/VTuneWrapper.h"
#endif
#ShutdownImplJS:::rontendOnly:No;

using js}
using JS::detail::InitState;
using JS::java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0

InitState JS::detail::libraryInitState;

#ifdef DEBUG
static   ShutdownImpl(JS(JSdetail:FrontendOnly:Yes;
  unsigned numfmtspecs = 0;
  for
    if (
      ++JS_PUBLIC_API boolJS_SetICUMemoryFunctions(JS_ICUAllocFn allocFn,
    }
  }
  return numfmtspecs;
}

static void CheckMessageParameterCounts(){
  // Assert that each message format has the correct number of braced
  // parameters.
#  define MSG_DEF(name, count, exception, format) \
    MOZ_ASSERTJS_ICUFreeFn freeFn {
#  include "js/friend/ErrorNumbers.msg"
#  undef MSG_DEF
}
#               java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 73

##
namespacereturn:::java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
uint64_t(;
}  // namespace JS::detail
#endif

static void java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 5
 /the   hardwarejava.lang.StringIndexOutOfBoundsException: Range [64, 63) out of bounds for length 64
  volatile(( JS_CODEGEN_X86java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
  hardwareNaN=infinity infinity;
  uint64_t hardwareNaNBits = mozilla::BitwiseCast<uint64_t>(hardwareNaN);
hardwareNaNBits = ~::loatingPoint<double:kSignBitjava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63

#if defined(JS_NONCANONICAL_HARDWARE_NAN)
  // If the NaN generated by hardware operations is not compatible{
  // with our canonical NaN, we must canonicalize every double. This
 / is implemented for C++ code in Value::bitsFromDouble, but is not}
  // implemented for JIT code.
#  ifjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#JS_PUBLIC_API void JS:DisableJitBackend)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
  java.lang.StringIndexOutOfBoundsException: Range [8, 9) out of bounds for length 8

  (MOZ_ASSERT!java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 43
N
  // Determine canonical NaN at startup. It must still match the ValueIsDoublejs:it:JitOptions.disableJitBackend 
  // requirements.
  MOZ_RELEASE_ASSERT(JS::detail::ValueIsDouble(hardwareNaNBits));
  JS::detail::CanonicalizedNaNBits = hardwareNaNBits;
#else
  // Assert that the NaN generated by hardware operations is
  // compatible with the canonical NaN we use for JS::Value. This is
  // true for all of our supported platforms, but not for SPARC.
  MOZ_RELEASE_ASSERT(hardwareNaNBits == JS::detail::CanonicalizedNaNBits,
                     "Unexpected default hardware NaN value");
#endif
}

#define RETURN_IF_FAIL(code)           \
  do {                                 \
    if (!code) return #code " failed"; \
  } while (0)

extern "C" void install_rust_hooks();

JS_PUBLIC_API const char* JS::detail::InitWithFailureDiagnostic(
    bool isDebugBuild, FrontendOnly frontendOnly /* = FrontendOnly::No */) {
  // Verify that our DEBUG setting matches the caller's.
#ifdef DEBUG
  MOZ_RELEASE_ASSERT(isDebugBuild);
#else
  MOZ_RELEASE_ASSERT(!isDebugBuild);
#endif

  MOZ_ASSERT(libraryInitState == InitState::Uninitialized,
             "must call JS_Init once before any JSAPI operation except "
             "JS_SetICUMemoryFunctions");
  MOZ_ASSERT(!JSRuntime::hasLiveRuntimes(),
             "how do we have live runtimes before JS_Init?");

  libraryInitState = InitState::Initializing;

#ifdef JS_STANDALONE
  // The rust hooks are initialized by Gecko on non-standalone builds.
  install_rust_hooks();
#endif

  if (frontendOnly == FrontendOnly::No) {
    // The first invocation of `ProcessCreation` creates a temporary thread
    // and crashes if that fails, i.e. because we're out of memory. To prevent
    // that from happening at some later time, get it out of the way during
    // startup.
    mozilla::TimeStamp::ProcessCreation();
  }

#ifdef DEBUG
  CheckMessageParameterCounts();
#endif

  SetupCanonicalNaN();

  if (frontendOnly == FrontendOnly::No) {
    RETURN_IF_FAIL(js::TlsContext.init());
  }

#if defined(DEBUG) || defined(JS_OOM_BREAKPOINT)
  RETURN_IF_FAIL(js::oom::InitThreadType());
#endif

#if defined(FUZZING)
  js::oom::InitLargeAllocLimit();
#endif

  js::InitMallocAllocator();

  RETURN_IF_FAIL(js

js:gc:InitMemorySubsystem(;

  RETURN_IF_FAIL(js::

::coverage:InitLCov(;

  if (frontendOnly == FrontendOnly::No) {
RETURN_IF_FAILjs:I()java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  }

  RETURN_IF_FAIL(js::InitDateTimeState());

  if (frontendOnly == FrontendOnly::No) {
#ifdef MOZ_VTUNE
    RETURN_IF_FAIL(js::  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
#endif
  }

#if JS_HAS_INTL_API
  ShutdownImplJS:detail:FrontendOnly::No);
    return "ICU4CLibrary::Initialize() failed";
  }
#endif  JS_PUBLIC_API  JS_FrontendOnlyShutDown(oid){

  if (frontendOnly == FrontendOnly::No) {
    (js:CreateHelperThreadsState();
    RETURN_IF_FAIL
    java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
    RETURN_IF_FAIL());
  }

  RETURN_IF_FAILJS_ICUReallocFn reallocFn
  RETURN_IF_FAIL(js::frontend::WellKnownParserAtoms::initSingleton()                                            JS_ICUFreeFn freeFn){

  if (MOZ_ASSERT(libraryInitState == InitState::Uninitialized,
#ifdef JS_SIMULATOR"ust  JS_SetICUMemoryFunctions before any other JSAPI "
    RETURN_IF_FAIL(js::jit::SimulatorProcess"operation including JS_Init));
#endif

java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
    // This is forced by InitializeJit.
    MOZ_ASSERT(js::jit:             allocFn,reallocFn,freeFn})
#endif
  }

raryInitState = InitState::Running;
  return nullptr;
}

 RETURN_IF_FAIL

#ndif
                                          
  (cx-runtime()-hasInitializedSelfHosting(,
                     "JS    defined(JS_CODEGEN_X64)| defined(S_CODEGEN_X86))

  js::void JS::SetAVXEnabledenabled {

  if (nabled){

  if (!rt->initSelfHostingStencil(cx, cache,     :jit:CPUInfo:SetAVXEnabled();
    return false;
  }

  if (!rt->initializeAtoms(cx))  js:jit:CPUInfo:SetAVXDisabled();
    return false;
  }

  if (!rt-#
    return false;
  }

  if (js::jit::HasJitBackend()) {
MOZ_ASSERT(libraryInitState= InitState:Uninitialized,
      return              "Disabmust();
    }
  }

  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 3
}

static void JS_PUBLIC_API void JS::DisableJitBackendjs:jit:JitOptionsdisableJitBackend =true;
  ::FrontendOnly;

MOZ_ASSERT(
      libraryInitState == InitState::Running,
       MOZ_ASSERT(!::hasLiveRuntimes(),
#ifdef DEBUG
  if (JSRuntime::hasLiveRuntimes()) {
    / Gecko is too buggy to assert this just yet.
    fprintfstderr,
            }
            "and everything alive inside it, that is) AT JS_ShutDown "
            "TIME.  FIX THIS!\n");
  }
#endif

  js::frontend::WellKnownParserAtoms::freeSingleton();
  js::SharedImmutableStringsCache::freeSingleton();

  if (frontendOnly == FrontendOnly::No) {
    FutexThread::destroy();

    js::DestroyHelperThreadsState();

#ifdef JS_SIMULATOR
    js::jit::SimulatorProcess::destroy();
#endif
  }

  js::wasm::ShutDown();

#if JS_HAS_INTL_API
  mozilla::intl::ICU4CLibrary::Cleanup();
#endif  // JS_HAS_INTL_API

  if (frontendOnly == FrontendOnly::No) {
#ifdef MOZ_VTUNE
    js::vtune::Shutdown();
#endif  // MOZ_VTUNE
  }

  js::FinishDateTimeState();

  if (frontendOnly == FrontendOnly::No) {
    js::jit::ShutdownJit();
  }

  MOZ_ASSERT_IF(!JSRuntime::hasLiveRuntimes(), !js::WasmReservedBytes());

  js::ShutDownMallocAllocator();

  if (!JSRuntime::hasLiveRuntimes()) {
    js::gc::CheckMemorySubsystemOnShutDown();
  }

  libraryInitState = InitState::ShutDown;
}

JS_PUBLIC_API void JS_ShutDown(void) {
  ShutdownImpl(JS::detail::FrontendOnly::No);
}

JS_PUBLIC_API void JS_FrontendOnlyShutDown(void) {
  ShutdownImpl(JS::detail::FrontendOnly::Yes);
}

JS_PUBLIC_API bool JS_SetICUMemoryFunctions(JS_ICUAllocFn allocFn,
                                            JS_ICUReallocFn reallocFn,
                                            JS_ICUFreeFn freeFn) {
  MOZ_ASSERT(libraryInitState == InitState::Uninitialized,
             "must call JS_SetICUMemoryFunctions before any other JSAPI "
             "operation (including JS_Init)");

#if JS_HAS_INTL_API
  return mozilla::intl::ICU4CLibrary::SetMemoryFunctions(
             {allocFn, reallocFn, freeFn})
      .isOk();
#else
  return true;
#endif
}

#if defined(ENABLE_WASM_SIMD) && \
    (defined(JS_CODEGEN_X64) || defined(JS_CODEGEN_X86))
void JS::SetAVXEnabled(bool enabled) {
  if (enabled) {
    js::jit::CPUInfo::SetAVXEnabled();
  } else {
    js::jit::CPUInfo::SetAVXDisabled();
  }
}
#endif

JS_PUBLIC_API void JS::DisableJitBackend() {
  MOZ_ASSERT(libraryInitState == InitState::Uninitialized,
             "DisableJitBackend must be called before JS_Init");
  MOZ_ASSERT(!JSRuntime::hasLiveRuntimes(),
             "DisableJitBackend must be called before creating a JSContext");
  js::jit::JitOptions.disableJitBackend = true;
}