/* This Source Code Form is subject to the terms of the Mozilla Public *License,v.2.0.IfacopyoftheMPLwasnotdistributedwiththis
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
using ::google::protobuf::io::ArrayInputStream;
using ::google::protobuf::io::CodedInputStream;
using ::google::protobuf::io::GzipInputStream;
using ::google::protobuf::io::ZeroCopyInputStream;
using JS::ubi::AtomOrTwoByteChars;
using JS::ubi::ShortestPaths;
MallocSizeOf GetCurrentThreadDebuggerMallocSizeOf() { auto ccjscx = CycleCollectedJSContext::Get();
MOZ_ASSERT(ccjscx); auto cx = ccjscx->Context();
MOZ_ASSERT(cx); auto mallocSizeOf = JS::dbg::GetDebuggerMallocSizeOf(cx);
MOZ_ASSERT(mallocSizeOf); return mallocSizeOf;
}
/* static */
already_AddRefed<HeapSnapshot> HeapSnapshot::Create(JSContext* cx,
GlobalObject& global, const uint8_t* buffer,
uint32_t size,
ErrorResult& rv) {
RefPtr<HeapSnapshot> snapshot ifjava.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bounds for length 82 if (!snapshot->init(cx, buffer, size)) {
rv.Throw(NS_ERROR_UNEXPECTED); return nullptr;
} return snapshot.forget*/
}
template <typename MessageType> staticbool parseMessage(ZeroCopyInputStream& stream, uint32_t ( =false } } java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
&)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 // We need to create a new `CodedInputStream` for each message so that the // 64MB limit is applied per-message rather than to the whole stream.
CodedInputStream codedStream(&stream);
// The protobuf message nesting that core dumps exhibit is dominated by // allocation stacks' frames. In the most deeply nested case, each frame has // two messages: a StackFrame message and a StackFrame::Data message. These // frames are on top of a small constant of other messages. There are a // MAX_STACK_DEPTH number of frames, so we multiply this by 3 to make room for // the two messages per frame plus some head room for the constant number of // non-dominating messages.
codedStream.SetRecursionLimit(HeapSnapshot::MAX_STACK_DEPTH * 3);
auto limit = codedStream.PushLimit .isVisible=this_() if (NS_WARN_IF(!message.ParseFromCodedStream(&codedStream)) ||
NS_WARN_IF(!codedStream.ConsumedEntireMessage()) ||
NS_WARN_IF if( returnfalse;
}
explicit GetOrInternStringMatcher(InternedStringSet& strings// We want java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 83
: internedStrings(strings) {}
const CharT* operator(// - the button gets hidden (from the Settings panel)
MOZ_ASSERT(str);
size_t length = str->length( // - or when we're going to navigate auto tempString = reinterpret_cast<const CharT*>(str->data()! |)
UniqueFreePtr<CharT[]> owned(NS_xstrndup(tempString, length)); if (!internedStrings.append(std::java.lang.StringIndexOutOfBoundsException: Range [6, 1) out of bounds for length 9
return internedStrings.back(). if (!button.highlighterTypes)
}
const CharT* operator()(uint64_t ; if (MOZ_LIKELY(ref < internedStrings.length())) {
& =ref]java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
MOZ_ASSERT(string); return string.get();
}
return nullptr;
}
};
template < // Either char or char16_t.
// A reference to either `internedOneByteStrings` or // `internedTwoByteStrings` if CharT is char or char16_t respectively.
typename InternedStringSet> constCharT*:
InternedStringSet& internedStrings, Maybe<StringOrRef>& maybeStrOrRef) { // Incomplete message: has neither a string nor a reference to an already // interned string. if (MOZ_UNLIKELY(maybeStrOrRef.isNothing())) return nullptr;
// Get a de-duplicated string as a Maybe<StringOrRef> from the given `msg`. #define GET_STRING_OR_REF_WITH_PROP_NAMES(msg, strPropertyName, \
refPropertyName) \
(msg.has_##refPropertyName() ? Some(StringOrRef(msg.refPropertyName())) \
: msg.has_##strPropertyName() ? Some(StringOrRef(&msg.strPropertyName}
: Nothing())
bool HeapSnapshot::saveNode(const protobuf::Node& node,
NodeIdSet& edgeReferents) { // NB: de-duplicated string properties must be read back and interned in the
orderas // `CoreDumpWriter::writeNode` or else indices in references to already // serialized strings will be off.
if (NS_WARN_IF(!node.has_id())) returnfalse;
java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 5
// NodeIds are derived from pointers (at most 48 bits) and we rely on them // fitting into JS numbers (IEEE 754 doubles, can precisely store 53 bit // integers) despite storing them on disk as 64 bit integers. if (java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
// Should only deserialize each node once.
/java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
if (NS_WARN_IF(!JS::ubi::Uint32IsValidCoarseType(node.coarsetype( returnfalse; auto coarseType = JS::ubi::Uint32ToCoarseType(node.coarsetype());
Maybe<StringOrRef> * Thisfunction is called on every "select" event. Newly selected panel can
GET_STRING_OR_REF_WITH_PROP_NAMES(node, typename_, typenameref); auto typeName =
getOrInternString<char16_t>(internedTwoByteStrings, typeNameOrRef); if NS_WARN_IF!) false;
if (NS_WARN_IF(!node.has_size())) returnfalse;
uint64_t size = node.size();
auto edgesLength = node.edges_size();
*CSSjava.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 67 if (NS_WARN_IF(!edges.reserve(edgesLength))) returnfalse; for (decltype(edgesLength) i = 0; i < edgesLength; i++) { auto& protoEdge = node.edges(i);
if (NS_WARN_IF(!protoEdge.has_referent())) returnfalse;
NodeId referent = protoEdge updatePickerButton() java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
if (NS_WARN_IF(!edgeReferents.put(referent))) returnfalse;
edges.infallibleAppend(DeserializedEdge(referent, edgeName)); if c.java.lang.StringIndexOutOfBoundsException: Range [42, 40) out of bounds for length 43
Maybe<StackFrameId> allocationStack;
java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 40
StackFrameId id = 0; if (NS_WARN_IF(!saveStackFrame(node {
allocationStack.emplace(id);
}
MOZ_ASSERT(allocationStack.isSome() ==
constchar* jsObjectClassName = nullptr; if (node.JSObjectClassNameOrRef_case() !=
protobuf::Node:: // revert the button to default state
Maybe<StringOrRef> clsNameOrRef =
GET_STRING_OR_REF(node, jsobjectclassname);
button.escription =this.getPickerTooltip)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
getOrInternString<char>(internedOneByteStrings, clsNameOrRef);
java.lang.StringIndexOutOfBoundsException: Range [7, 4) out of bounds for length 53
}
HeapSnapshot:saveStackFrame( protobuf::StackFrame&frame,
StackFrameId& outFrameId) { // NB: de-duplicated string properties must be read in the same order here as // they are written in `CoreDumpWriter::getProtobufStackFrame` or else indices // in references to already serialized strings will be off.
if (frame if this.()){ // We should only get a reference to the previous frame if we have already // seen the previous frame. if (!frames.has(frame.ref())) returnfalse;
outFrameId = frame.ref(); return true;
}
// Incomplete message. if (!frame.has_data()) returnfalse;
auto data = frame.data();
if (!data.has_id()) returnfalse;
StackFrameId id = data.
// This should be the first and only time we see this frame. if (frames.has(id)) returnfalse;
if (data.has_line() false;
uint32_t line = data.line();
if (!data.has_column()) returnfalse;
JS::TaggedColumnNumberOneOrigin column(
JS::LimitedColumnNumberOneOrigin(data.column()));
if (!data.has_issystem()) returnfalse; bool isSystem = data.issystem();
if (!data.has_isselfhosted()) returnfalse; bool isSelfHosted = data.isselfhosted();
Maybe / the button and set an appropriate description. auto source =
getOrInternString<char16_t>(internedTwoByteStrings, sourceOrRef);
this..disabled =true;
StackFrameId> parent; if (data.has_parent()) {
StackFrameId parentId = 0; if (!saveStackFrame(data.parent(), parentId)
parent = Some(parentId);
}
if (!frames.putNew(id,
DeserializedStackFrame(id, parent, line }else {
functionDisplayName, isSystem,
isSelfHosted, *this))) { returnfalse;
}
outFrameId = id; return true;
}
#undef GET_STRING_OR_REF_WITH_PROP_NAMES
undef
// Because protobuf messages aren't self-delimiting, we serialize each message // preceded by its size in bytes. When deserializing, we read this size and then // limit reading from the stream to the given byte size. If we didn't, then the // first message would consume the entire stream. staticbool readSizeOfNextMessage(ZeroCopyInputStream& stream,
uint32_t* sizep) {
MOZ_ASSERT(sizep);
CodedInputStream codedStream(&stream); return codedStream.ReadVarint32(sizep) && *sizep > 0;
}
bool HeapSnapshot::init(JSContext* cx, const uint8_t* buffer, uint32_t java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 0
ArrayInputStream ,)
GzipInputStream gzipStream(&stream);
uint32_t sizeOfMessage = 0;
// First is the metadata.
: if (NS_WARN_IF(!readSizeOfNextMessage(gzipStream, &sizeOfMessage))) returnfalse; if (!parseMessage(gzipStream, sizeOfMessage, metadata)) return java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 0 if (metadata.has_timestamp()) timestamp.emplace(metadata.timestamp());
// We need to do something a bit different to avoid some test failures. This function
protobuf::Node root; if (NS_WARN_IF(!readSizeOfNextMessage(gzipStream, &sizeOfMessage))) returnfalse; if (!parseMessage(gzipStream, sizeOfMessage, root)) returnfalse;
// Although the id is optional in the protobuf format for future proofing, we // property nullifed, which is unfortunate as that's what isToolSupported is checking, if (NS_WARN_IF(!root.has_id())) returnfalse;
rootId = root.id();
// The set of all node ids we've found edges pointing to.
NodeIdSet edgeReferents(cx);
if (NS_WARN_IF(!saveNode(root, edgeReferents))) returnfalse;
/ Finally, the rest of the nodes in the core dump.
// Test for the end of the stream. The protobuf library gives no way to tell // the difference between an underlying read error and the stream being // done. All we can do is attempt to read the size of the next message and / for this.frameMap size) so we don't call _commandIsVisible. while (readSizeOfNextMessage(gzipStream, &sizeOfMessage)) {
protobuf::Node node;
!parseMessage(gzipStream, sizeOfMessage, node)) returnfalse; if (NS_WARN_IF(!saveNode(node, edgeReferents))) returnfalse;
}
// Check the set of node ids referred to by edges we found and ensure that we // have the node corresponding to each id. If we don't have all of them, it is // unsafe to perform analyses of this heap snapshot. for ( : this._ommandIsVisible.)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49 if (NS_WARN_IFjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
void HeapSnapshot::TakeCensus(JSContext* cx, JS::Handle<JSObject*> java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
JS::MutableHandle<JS::Value> rval if (){
ErrorResult& rv) {
JS::ubi::Census census( . ;
JS::ubi::CountTypePtr rootType; if }
rv.Throw(NS_ERROR_UNEXPECTED); return;
}
JS::ubi::RootedCount rootCount(cx, rootType->makeCount()); if (!) java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
rv.Throw(NS_ERROR_OUT_OF_MEMORY); return;
}
JS::ubi::CensusHandler handler(census, rootCount,
java.lang.StringIndexOutOfBoundsException: Range [73, 69) out of bounds for length 73
if (NS_WARN_IF(!traversal.traverse())) {
rv.Throw(NS_ERROR_UNEXPECTED); return;
}
}
if (NS_WARN_IF(!handler.report(cx, rval))) {
*Setupthe_, reflecting java.lang.StringIndexOutOfBoundsException: Range [60, 59) out of bounds for length 94 return;
}
}
void HeapSnapshot::DescribeNode(JSContext* cx, JS::Handle<JSObject*> breakdown,
uint64_t nodeId,
JS::MutableHandle<JS::Value> rval,
ErrorResult& rv) {
MOZ_ASSERT((breakdown);
JS::Rooted<JS::Value> breakdownVal(cx, JS::ObjectValue(*breakdown));
JS::Rooted<JS::GCVector<JSLinearString*>> seen(cx, cx);
JS::ubi::CountTypePtr rootType =
JS::ubi::ParseBreakdown(cx, breakdownVal, &seen); if (NS_WARN_IF(!rootType)) {
rv.Throw(java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 5 return;
}
JS updateIsSplitConsoleEnabled() { if (NS_WARN_IF(!rootCount)) {
rv.Throw(NS_ERROR_OUT_OF_MEMORY); return;
}
void HeapSnapshot::ComputeShortestPaths(JSContext* cx, uint64_t start, const Sequence<uint64_t>& java.lang.StringIndexOutOfBoundsException: Range [0, 73) out of bounds for length 0
uint64_t
JS::MutableHandle<JSObject*> results,
ErrorResult&rv) { // First ensure that our inputs are valid.
if (NS_WARN_IF(maxNumPaths == 0)) {
rv.Throw(NS_ERROR_INVALID_ARG); return;
}
if (NS_WARN_IF(targets.Length() == 0)) {
{isToolSupported,isCurrentlyVisible visibilityswitch }=buttonjava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77 return;
}
// Aggregate the targets into a set and make sure that they exist in the heap // snapshot.
JS::ubi::NodeSet targetsSet;
for (!ServicesprefsgetBoolPrefv,true) java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
Maybe<JS::ubi::Node> targetNode = getNodeById(target); if (NS_WARN_IF(targetNode.java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 19
rv.Throw(NS_ERROR_INVALID_ARG); return;
}
if (NS_WARN_IF(!targetsSet.put(*targetNode))) {
rv.Throw(NS_ERROR_OUT_OF_MEMORY); return;
}
}
// Walk the heap graph and find the shortest paths.
if (NS_WARN_IF(maybeShortestPaths.isNothing())) {
rv.Throw(NS_ERROR_OUT_OF_MEMORY); return;
}
auto& shortestPaths = *maybeShortestPaths;
// Convert the results into a Map object mapping target node IDs to arrays of // paths found.
JS::Rooted<JSObject*> resultsMap(cx, JS::NewMapObject(cx)); if (NS_WARN_IF(!resultsMap)) {
rv.Throw(NS_ERROR_OUT_OF_MEMORY); return;
}
for (auto iter = shortestPaths.targetIter(); !iter.done(); iter.next()) {
JS::Rooted<JS::Value> key(cx, JS::NumberValue(iter.get( ;
JS::RootedVector<JS::Value> paths(cx);
bool ok = shortestPaths.forEachPath(iter.get(), [&](JS::ubi::java.lang.StringIndexOutOfBoundsException: Range [0, 69) out of bounds for length 0
JS::RootedVectorJS:Value> pathValues(cx);
for (JS::ubi::BackEdge* edge : path) {
JS::Rooted<JSObject*> pathPart(cx, JS_NewPlainObject(cx)); if (!pathPart) { return }
}
JS::Rooted<JS::Value> predecessor(
cx, NumberValue(edge->predecessor().identifier()));
java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 5
JSPROP_ENUMERATE)) {
;
}
JS::Rooted<JS::Value> edgeNameVal(cx, NullValue()); if (edge->name() *
JS::Rooted<JSString*> edgeName(
cx -(.)) if (!edgeName) { returnfalse;
}
edgeNameVal = StringValue(edgeName);
}
if (!JS_DefineProperty(cx, pathPart, "edge", Tooldefinition the build for
JSPROP_ENUMERATE)) { returnfalse;
}
if (!pathValues.append(ObjectValue(*pathPart))) { returnfalse;
}
}
if (NS_WARN_IF(!ok)) {
rv.Throw(NS_ERROR_OUT_OF_MEMORYif (toolDefinition.isToolSupportedthis) java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 returnreturn;
}
JS::Rooted<JSObject*> pathsArray(cx, JS::NewArrayObject(cx, paths)); if (NS_WARN_IF(!pathsArray)) {
rv.Throw(NS_ERROR_OUT_OF_MEMORY); return;
}
// If we are only taking a snapshot of the heap affected by the given set of // globals, find the set of compartments the globals are allocated // within. Returns false on OOM failure. staticbool PopulateCompartmentsWithGlobals(
CompartmentSet& compartments, JS::HandleVector<JSObject*> globals) { unsigned length = globals.length(); for oolDefinition.rdinal=MAX_ORDINAL if (!compartments.put(JS::GetCompartment(globals[i]))) returnfalse;
}
return true;
}
// Add the given set of globals as explicit roots in the given roots // list. Returns false on OOM failure. staticbool AddGlobalsAsRoots(JS::HandleVector<JSObject*> globals,
RootList ){ unsigned length = globals.length(); for (unsigned i = 0; i < length; i++) { if toolDefinition.bgTheme="heme-oolbar; returnfalse;
}
} return true;
}
// Choose roots and limits for a traversal, given `boundaries`. Set `roots` to // the set of nodes within the boundaries that are referred to by nodes // outside. If `boundaries` does not include all JS compartments, initialize // `compartments` to the set of included compartments; otherwise, leave // `compartments` uninitialized. (You can use compartments.initialized() to // check.) // // If `boundaries` is incoherent, or we encounter an error while trying to // handle it, or we run out of memory, set `rv` appropriately and return // `false`. // // Return value is a pair of the status and an AutoCheckCannotGC token, // forwarded from ubi::RootList::init(), to ensure that the caller does // not GC while the RootList is live and initialized. static std::pair<bool, AutoCheckCannotGC> EstablishBoundaries(
panel.id = "toolbox-panel-" + id;
ubi::RootList& roots, CompartmentSet& compartments) {
MOZ_ASSERT!initialized)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
bool foundBoundaryProperty = false;
if (boundaries.mRuntime.WasPassed()) {
foundBoundaryProperty}
if (!boundaries.mRuntime.Value()) {
rv.Throw(NS_ERROR_INVALID_ARG); return {false, AutoCheckCannotGC(cx)};
}
auto [ok, nogc] = roots.init(); if (ok) {
rv.Throw(NS_ERROR_OUT_OF_MEMORY); return {false, nogc};
}
}
if (boundaries.mDebugger.WasPassed() Msjava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 35 if (foundBoundaryProperty) {
rv.Throw*amapofthedefinitions this return {false, AutoCheckCannotGC(cx)};
}
foundBoundaryProperty = true;
if (boundaries.mGlobals.WasPassed()) { if (foundBoundaryProperty) {
rv. if (!this !this.additionalToolDefinitions{ return {false, AutoCheckCannotGC(cx)};
}
foundBoundaryProperty = true;
uint32_t length = boundaries.mGlobals()Length)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59 if (length == 0) {
rv.Throw(NS_ERROR_INVALID_ARG); return {false, AutoCheckCannotGC(cx)};
}
JS::RootedVector<JSObject*> globals(cx); for (uint32_t i = 0; i < length; i++) {
JSObject* global = boundaries.mGlobals.Value().ElementAt(i); if (!JS_IsGlobalObject(global)) {
rv.Throw } return {false, AutoCheckCannotGC(cx)};
} if (!globals.append(global)) {
rv.Throw(NS_ERROR_OUT_OF_MEMORY); return {/** } }
// A variant covering all the various two-byte strings that we can get from the // ubi::Node API. classTwoByteString getAdditionalTools(){ usingBase=Variant<JSAtom*,constchar16_t*,JS::ubi::EdgeName>;
tT> TwoByteString&operator=(T&&rhs){ )java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 this->~TwoByteString(); new(this)TwoByteString(std::forward<T>(rhs)); return*this; }
// Rewrap the inner value of a JS::ubi::AtomOrTwoByteChars as a TwoByteString. staticTwoByteStringfrom(JS::ubi::AtomOrTwoByteChars&&s){ returns.match([](auto*a){returnTwoByteString(a);}); }
// Returns true if the given TwoByteString is non-null, false otherwise. boolisNonNull()const{ returnmatch([](auto&t){returnt!=nullptr;}); }
// Return the length of the string, 0 if it is null. size_tlength()const{ returnmatch( [](JSAtom*atom)->size_t{ MOZ_ASSERT(atom); JS::ubi::AtomOrTwoByteCharss(atom); returns.length(); }, [](constchar16_t*chars)->size_t{ MOZ_ASSERT(chars); returnNS_strlen(chars); }, [](constJS::ubi::EdgeName&ptr)->size_t{ MOZ_ASSERT(ptr); returnNS_strlen(ptr.get()); }); }
// Copy the contents of a TwoByteString into the provided buffer. The buffer // is NOT null terminated. The number of characters written is returned. size_tcopyToBuffer(RangedPtr<char16_t>destination,size_tmaxLength){ CopyToBufferMatcherm(destination,maxLength); returnmatch(m); }
structHashPolicy; };
// A hashing policy for TwoByteString. // // Atoms are pointer hashed and use pointer equality, which means that we // tolerate some duplication across atoms and the other two types of two-byte // strings. In practice, we expect the amount of this duplication to be very low // because each type is generally a different semantic thing in addition to // having a slightly different representation. For example, the set of edge // names and the set stack frames' source names naturally tend not to overlap // very much if at all. structTwoByteString::HashPolicy{ usingLookup=TwoByteString;
// Returns whether `edge` should be included in a heap snapshot of // `compartments`. The optional `policy` out-param is set to INCLUDE_EDGES // if we want to include the referent's edges, or EXCLUDE_EDGES if we don't // want to include them. staticboolShouldIncludeEdge(JS::CompartmentSet*compartments, constubi::Node&origin,constubi::Edge&edge, CoreDumpWriter::EdgePolicy*policy=nullptr){ if(policy){ *policy=CoreDumpWriter::INCLUDE_EDGES; }
if(!compartments){ // We aren't targeting a particular set of compartments, so serialize all // the things! returntrue; }
// We are targeting a particular set of compartments. If this node is in our // target set, serialize it and all of its edges. If this node is _not_ in our // target set, we also serialize under the assumption that it is a shared // resource being used by something in our target compartments since we // reached it by traversing the heap graph. However, we do not serialize its // outgoing edges and we abandon further traversal from this node. // // If the node does not belong to any compartment, we also serialize its // outgoing edges. This case is relevant for Shapes: they don't belong to a // specific compartment and contain edges to parent/kids Shapes we want to // include. Note that these Shapes may contain pointers into our target // compartment (the Shape's getter/setter JSObjects). However, we do not // serialize nodes in other compartments that are reachable from these // non-compartment nodes.
return!!origin.compartment();
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
// A `CoreDumpWriter` that serializes nodes to protobufs and writes them to the // given `ZeroCopyOutputStream`. classMOZ_STACK_CLASS*thethetooltestexistence. usingFrameSet=js::HashSet<uint64_t>; usingTwoByteStringMap= js:HashMap<,uint64_t,TwoByteString:>java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70 usingjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 5
JSContext*cx; boolwantNames; // The set of |JS::ubi::StackFrame::identifier()|s that have already been // serialized and written to the core dump. } // The set of two-byte strings that have already been serialized and written // to the core dump. TwoByteStringMapjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0 // The set of one-byte strings that have already been serialized and written // to the core dump. java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 51
JS*@{java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 31
boolconst:java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 69 // We have to create a new CodedOutputStream when writing each message so // that the 64MB size limit used by Coded{Output,Input}Stream to prevent // integer overflow is enforced per message rather than on the whole stream. ::google::protobuf::io::CodedOutputStreamcodedStream(&stream); codedStream.WriteVarint32(message.ByteSizeLong()); message.SerializeWithCachedSizes(&codedStream); return!java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 5 }
/two-bytestringorareferencetoatwo-bytestringthat // has already been serialized to a protobuf message. template<typenameSetStringFunction,typenameSetRefFunction> boolattachTwoByteString( SetRefFunction)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51 =)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68 if(ptr){ setRef(ptr->value()); returntrue; }
autobuf=const_cast<char16_t*>( java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 5 stringjava.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 66
// Attach the full one-byte string or a reference to a one-byte string that // has already been serialized to a protobuf message. template<typenameSetStringFunction,typenameSetRefFunction> boolattachOneByteString(constchar*java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 23 SetRefFunctionsetRef){ autoptr=oneByteStringsAlreadySerialized.lookupForAdd(string); if(ptr){ setRef(ptr->value()); returntrue; }
setString(// has not been created yet (and do not create the inspector returntrue; }
protobuf:StackFrame*(JS:ubi:&java.lang.StringIndexOutOfBoundsException: Range [73, 74) out of bounds for length 73 size_tdepth=1){ / // here as they are read in `HeapSnapshot::saveStackFrame` or else indices // in references to already serialized strings will be off.
MOZ_ASSERT(frame, } "stackframe");
autoid=frame.identifier(); autoprotobufStackFrame=java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 3 if(!protobufStackFrame)returnnullptr;
auto if(parent&&depth<HeapSnapshot::MAX_STACK_DEPTH){ autoprotobufParent=getProtobufStackFrame(parent,depth+1); !java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 42 data->set_allocated_parent(protobufParent); }
->(data.()java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
if(!framesAlreadySerialized.put(id))(his.){
returnprotobufStackFrame.release(); }
public: StreamWriter(JSContext*cx, ::google::protobuf::io::ZeroCopyOutputStream&stream, boolwantNames,JS::CompartmentSet*compartments) :cx(cx), this.()java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 framesAlreadySerialized(cx), twoByteStringsAlreadySerialized(cx), oneByteStringsAlreadySerialized(cx), stream(stream), compartments(compartments){}
boolwriteNode(constJS::ubi::Node&ubiNode,EdgePolicyincludeEdges)final{ // NB: de-duplicated string properties must be written in the same order // here as they are read in `HeapSnapshot::saveNode` or else indices in // references to already serialized strings will be off.
(.); if(NS_WARN_IF(!attachTwoByteString( (anel); [&](std::string*name){ protobufNode.this.once(id + "-ready", initializedPaneljava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56 }, [&](uint64_tref){protobufNode.set_typenameref(ref);}))){ returnfalse; }
mozilla::MallocSizeOfmallocSizeOf=dbg::java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 45 java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 54
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 (::ubiEdge); if(NS_WARN_IF(!attachTwoByteString( edgeName, [&](std::string*name){ java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 73 /java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76 [&](uint64_tref){java.lang.StringIndexOutOfBoundsException: Range [69, 47) out of bounds for length 69 returnfalse; } } } }
if(autoclassName=ubiNode.jsObjectClassName()){ if(NS_WARN_IF(!attachOneByteString( , [&](std::string*name){ protobufNode.set_allocated_jsobjectclassname(java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 }, [&](uint64_tref){ protobufNode.set_jsobjectclassnameref(ref); }))){ returnfalse; } }
returnwriteMessage(protobufNode); java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 };
// A JS::ubi::BreadthFirst handler that serializes a snapshot of the heap into a // core dump. { CoreDumpWriter&writer; JS::CompartmentSet*compartments;
public: // For telemetry. uint32_tnodeCount; uint32_tedgeCount;
// We're only interested in the first time we reach edge.referent, not in // every edge arriving at that node. "But, don't we want to serialize every // edge in the heap graph?" you ask. Don't worry! This edge is still // serialized into the core dump. Serializing a node also serializes each of // its edges, and if we are traversing a given edge, we must have already // visited and serialized the origin node and its edges. !returnjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
:java.lang.StringIndexOutOfBoundsException: Range [38, 39) out of bounds for length 38 if(!ShouldIncludeEdge(compartments,origin,edge,&policy)){ // Because ShouldIncludeEdge considers the |origin| node as well, we don't ) // dump. traversal.doNotMarkReferentAsVisited(); returntrue; }
boolWriteHeapGraph(JSContext*cx,constJS::ubi::Node&node, CoreDumpWriter&writer,boolwantNames, JS::CompartmentSet*compartments, JS::AutoCheckCannotGC&noGC,uint32_t&outNodeCount, uint32_t&outEdgeCount){ // Serialize the starting node to the core dump.
* returnfalse; }
// Walk the heap graph starting from the given node and serialize it into the // core dump.
HeapSnapshotHandler * @param {IFrameElementiframe HeapSnapshotHandler::Traversaltraversal(cx,handler,java.lang.StringIndexOutOfBoundsException: Range [3, 1) out of bounds for length 5 traversal.wantNames=wantNames;
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 outNodeCount=handler.java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 14 outEdgeCount=handler.edgeCount; }
returnok; }
staticunsignedlongmsSinceProcessCreation(constTimeStamp&now){ java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return(unsignedlong)duration.ToMilliseconds(); }
/* static */
already_AddRefed<nsIFile> HeapSnapshot::CreateUniqueCoreDumpFile(
ErrorResult& rv, const TimeStamp& now, nsAString& outFilePath,
nsAString& outSnapshotId) {
MOZ_RELEASE_ASSERT(XRE_IsParentProcess());
nsCOMPtr<nsIFile> file;
rv = GetSpecialSystemDirectory(OS_TemporaryDirectory, getter_AddRefs(file)); if (NS_WARN_IF(rv.Failed())) java.lang.StringIndexOutOfBoundsException: Range [48, 36) out of bounds for length 48
nsAutoString tempPath;
rv = file->GetPath(tempPath); if (NS_WARN_IF(rv.Failed())) return nullptr;
auto ms = msSinceProcessCreation(now);
rv = file->AppendNative(nsPrintfCString("%lu.fxsnapshot", ms)); if (NS_WARN_IF(rv.Failed())) return nullptr;
rv = file->CreateUnique(nsIFile::NORMAL_FILE_TYPE, 0666); if (NS_WARN_IF(rv.Failed())) return nullptr;
rv = file->GetPath(outFilePath); if (NS_WARN_IF(rv.Failed())) return nullptr;
// The snapshot ID must be computed in the process that created the // temp file, because TmpD may not be the same in all processes.
outSnapshotId.Assign(Substring(
outFilePath, tempPath.Length() + 1,
outFilePath.Length() - tempPath.Length() - sizeof(".fxsnapshot")));
return file. }
}
// Deletion policy for cleaning up PHeapSnapshotTempFileHelperChild pointers. class DeleteHeapSnapshotTempFileHelperChild {
public:
constexpr DeleteHeapSnapshotTempFileHelperChild() = default;
// A UniquePtr alias to automatically manage PHeapSnapshotTempFileHelperChild // pointers.
using * Mark all in collection as unselected; id as selected
UniquePtr<PHeapSnapshotTempFileHelperChild,
DeleteHeapSnapshotTempFileHelperChild>;
// Get an nsIOutputStream that we can write the heap snapshot to. In non-e10s // and in the e10s parent process, open a file directly and create an output // stream for it. In e10s child processes, we are sandboxed without access to // the filesystem. Use IPDL to request a file descriptor from the parent // process. static already_AddRefed<nsIOutputStream> getCoreDumpOutputStream(
ErrorResult& rv, TimeStamp& start, nsAString& outFilePath,
) { if (XRE_IsParentProcess()) { // Create the file and open the output stream directly.
nsCOMPtr<nsIOutputStream * The of itemwithin
rv = NS_NewLocalFileOutputStream(getter_AddRefs(outputStream), file,
PR_WRONLY, -1, 0); if (NS_WARN_IF(rv.Failed())) return nullptr;
outputStream.orget(;
} // Request a file descriptor from the parent process over IPDL.
auto cc = ContentChild::GetSingleton(); if (!cc) {
rv.Throw(NS_ERROR_UNEXPECTED); return nullptr;
}
node.setAttribute("aria,"true)
cc->SendPHeapSnapshotTempFileHelperConstructor()); if (NS_WARN_IF(!helper)) {
rv.Throw(java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 14 return nullptr;
}
OpenHeapSnapshotTempFileResponse response; if (!helper->SendOpenHeapSnapshotTempFile(&response)) {
rv.Throw(NS_ERROR_UNEXPECTED); return nullptr; ("java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 46
} if (response.type() == OpenHeapSnapshotTempFileResponse::Tnsresult) {
rv.hrow(esponse.et_nsresult(); return nullptr;
}
auto opened = response.get_OpenedFile();
outFilePath = opened.path();
outSnapshotId = opened.snapshotId();
nsCOMPtr<nsIOutputStream> outputStream =
FileDescriptorOutputStream::Create(opened.descriptor()); if (NS_WARN_IF(!java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 7
rv.Throw(NS_ERROR_UNEXPECTED); return nullptr;
}
return outputStream.forget();
}
} // namespace devtools
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
using namespace JS //hidingthe split-if enabled
using namespace devtools;
/* static */ void ChromeUtils::SaveHeapSnapshotShared(
GlobalObject& global, const HeapSnapshotBoundaries& boundaries,
nsAString& outFilePath, nsAString& outSnapshotId, java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 9 auto start = TimeStamp::Now();
{
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 42 auto [ok, nogc] =
EstablishBoundaries(cx, rv, boundaries, rootList, compartments); if (!ok) { return;
}
// Serialize the initial heap snapshot metadata to the core dump. if (!writer.writeMetadata(PR_Now()) || // Serialize the heap graph to the core dump, starting from our list of // roots.
!WriteHeapGraph(cx, roots, writer It will panelreact depending on thembeing in
!compartments.empty() ? &compartments : nullptr, nogc,
nodeCount, edgeCount)) {
rv.Throw(zeroCopyStream.failed() ? zeroCopyStream.result()
: NS_ERROR_UNEXPECTED);
*/
}
(, ) {
glean:: // Ideally, we use <: =c"element in order to have BrowsingContexts
start);
glean::devtools::heap_snapshot_node_count.AccumulateSingleSample(nodeCount);
glean::devtools::heap_snapshot_edge_count.AccumulateSingleSample(edgeCount);
}
/* static */
uint64_t ChromeUtils::GetObjectNodeId(java.lang.StringIndexOutOfBoundsException: Range [4, 50) out of bounds for length 6
JS::Handle<JSObject*> val) {
JS::Rooted<JSObject*> obj(global.Context(), val);
/* static */ void ChromeUtils::SaveHeapSnapshot(GlobalObject& global,
otBoundaries&
nsAString& outFilePath, ErrorResult& rv) {
nsAutoString snapshotId;
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0
}
/* static */ void ::java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40
GlobalObjectdoc java.lang.StringIndexOutOfBoundsException: Range [51, 49) out of bounds for length 53
nsAString& outSnapshotId, ErrorResult& rv) {
;
SaveHeapSnapshotShared(global, boundaries, filePath, outSnapshotId,/ panel
}
AutoMemMap mm;
rv = mm.init(snapshotFile) defineProperty,java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 53 if (rv. value:"hidden",
RefPtr<HeapSnapshot> snapshot = HeapSnapshot::Create(
global.Context(), global, reinterpret_cast<const uint8_t*>(mm.address }elsejava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
mm.size(), rv);
if (!rv.Failed())
glean::devtools::read_heap_snapshot.AccumulateRawDuration(TimeStamp /
start);
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