261 static uint64_t GetNextTimestamp(JITDescriptor& descriptor) {  in GetNextTimestamp()  argument
262   return std::max(descriptor.timestamp_ + 1, NanoTime());  in GetNextTimestamp()
266 static void Seqlock(JITDescriptor& descriptor) {  in Seqlock()  argument
267   DCHECK_EQ(descriptor.seqlock_.load(kNonRacingRelaxed) & 1, 0u) << "Already locked";  in Seqlock()
268   descriptor.seqlock_.fetch_add(1, std::memory_order_relaxed);  in Seqlock()
274 static void Sequnlock(JITDescriptor& descriptor) {  in Sequnlock()  argument
275   DCHECK_EQ(descriptor.seqlock_.load(kNonRacingRelaxed) & 1, 1u) << "Already unlocked";  in Sequnlock()
278   descriptor.seqlock_.fetch_add(1, std::memory_order_relaxed);  in Sequnlock()
286   JITDescriptor& descriptor = NativeInfo::Descriptor();  in InsertNewEntry()  local
287   const JITCodeEntry* prev = (next != nullptr ? next->prev_ : descriptor.tail_);  in InsertNewEntry()
296     descriptor.tail_ = entry;  in InsertNewEntry()
302     descriptor.head_.store(entry, std::memory_order_release);  in InsertNewEntry()
313   JITDescriptor& descriptor = NativeInfo::Descriptor();  in CreateJITCodeEntryInternal()  local
316   if (descriptor.free_entries_ == nullptr) {  in CreateJITCodeEntryInternal()
323     descriptor.free_entries_ = reinterpret_cast<const JITCodeEntry*>(memory);  in CreateJITCodeEntryInternal()
337   uint64_t timestamp = GetNextTimestamp(descriptor);  in CreateJITCodeEntryInternal()
340   const JITCodeEntry* next = descriptor.head_.load(kNonRacingRelaxed);  // Insert at the head.  in CreateJITCodeEntryInternal()
341   if (descriptor.zygote_head_entry_ != nullptr && Runtime::Current()->IsZygote()) {  in CreateJITCodeEntryInternal()
346   const JITCodeEntry* entry = descriptor.free_entries_;  in CreateJITCodeEntryInternal()
347   descriptor.free_entries_ = descriptor.free_entries_->next_.load(kNonRacingRelaxed);  in CreateJITCodeEntryInternal()
359   Seqlock(descriptor);  in CreateJITCodeEntryInternal()
361   descriptor.relevant_entry_ = entry;  in CreateJITCodeEntryInternal()
362   descriptor.action_flag_ = JIT_REGISTER_FN;  in CreateJITCodeEntryInternal()
363   descriptor.timestamp_ = timestamp;  in CreateJITCodeEntryInternal()
364   Sequnlock(descriptor);  in CreateJITCodeEntryInternal()
374   JITDescriptor& descriptor = NativeInfo::Descriptor();  in DeleteJITCodeEntryInternal()  local
377   Seqlock(descriptor);  in DeleteJITCodeEntryInternal()
383     descriptor.tail_ = prev;  in DeleteJITCodeEntryInternal()
388     descriptor.head_.store(next, std::memory_order_relaxed);  in DeleteJITCodeEntryInternal()
390   descriptor.relevant_entry_ = entry;  in DeleteJITCodeEntryInternal()
391   descriptor.action_flag_ = JIT_UNREGISTER_FN;  in DeleteJITCodeEntryInternal()
392   descriptor.timestamp_ = GetNextTimestamp(descriptor);  in DeleteJITCodeEntryInternal()
393   Sequnlock(descriptor);  in DeleteJITCodeEntryInternal()
411   writable_entry->next_.store(descriptor.free_entries_, kNonRacingRelaxed);  in DeleteJITCodeEntryInternal()
413   descriptor.free_entries_ = entry;  in DeleteJITCodeEntryInternal()
469   JITDescriptor& descriptor = JitNativeInfo::Descriptor();  in NativeDebugInfoPreFork()  local
470   if (descriptor.zygote_head_entry_ != nullptr) {  in NativeDebugInfoPreFork()
481   InsertNewEntry<JitNativeInfo>(zygote_head, descriptor.head_);  in NativeDebugInfoPreFork()
482   descriptor.zygote_head_entry_ = zygote_head;  in NativeDebugInfoPreFork()
486   InsertNewEntry<JitNativeInfo>(&descriptor.application_tail_entry_, descriptor.head_);  in NativeDebugInfoPreFork()
491   JITDescriptor& descriptor = JitNativeInfo::Descriptor();  in NativeDebugInfoPostFork()  local
492   descriptor.free_entries_ = nullptr;  // Don't reuse zygote's entries.  in NativeDebugInfoPostFork()
505   JITDescriptor& descriptor = __jit_debug_descriptor;  in RepackEntries()  local
511   for (const JITCodeEntry* it = descriptor.head_; it != nullptr; it = it->next_) {  in RepackEntries()
512     if (it == descriptor.zygote_head_entry_ && !is_zygote) {  in RepackEntries()