255 static uint64_t GetNextTimestamp(JITDescriptor& descriptor) {  in GetNextTimestamp()  argument
256   return std::max(descriptor.timestamp_ + 1, NanoTime());  in GetNextTimestamp()
260 static void Seqlock(JITDescriptor& descriptor) {  in Seqlock()  argument
261   DCHECK_EQ(descriptor.seqlock_.load(kNonRacingRelaxed) & 1, 0u) << "Already locked";  in Seqlock()
262   descriptor.seqlock_.fetch_add(1, std::memory_order_relaxed);  in Seqlock()
268 static void Sequnlock(JITDescriptor& descriptor) {  in Sequnlock()  argument
269   DCHECK_EQ(descriptor.seqlock_.load(kNonRacingRelaxed) & 1, 1u) << "Already unlocked";  in Sequnlock()
272   descriptor.seqlock_.fetch_add(1, std::memory_order_relaxed);  in Sequnlock()
280   JITDescriptor& descriptor = NativeInfo::Descriptor();  in InsertNewEntry()  local
281   const JITCodeEntry* prev = (next != nullptr ? next->prev_ : descriptor.tail_);  in InsertNewEntry()
290     descriptor.tail_ = entry;  in InsertNewEntry()
296     descriptor.head_.store(entry, std::memory_order_release);  in InsertNewEntry()
307   JITDescriptor& descriptor = NativeInfo::Descriptor();  in CreateJITCodeEntryInternal()  local
310   if (descriptor.free_entries_ == nullptr) {  in CreateJITCodeEntryInternal()
317     descriptor.free_entries_ = reinterpret_cast<const JITCodeEntry*>(memory);  in CreateJITCodeEntryInternal()
331   uint64_t timestamp = GetNextTimestamp(descriptor);  in CreateJITCodeEntryInternal()
334   const JITCodeEntry* next = descriptor.head_.load(kNonRacingRelaxed);  // Insert at the head.  in CreateJITCodeEntryInternal()
335   if (descriptor.zygote_head_entry_ != nullptr && Runtime::Current()->IsZygote()) {  in CreateJITCodeEntryInternal()
340   const JITCodeEntry* entry = descriptor.free_entries_;  in CreateJITCodeEntryInternal()
341   descriptor.free_entries_ = descriptor.free_entries_->next_.load(kNonRacingRelaxed);  in CreateJITCodeEntryInternal()
353   Seqlock(descriptor);  in CreateJITCodeEntryInternal()
355   descriptor.relevant_entry_ = entry;  in CreateJITCodeEntryInternal()
356   descriptor.action_flag_ = JIT_REGISTER_FN;  in CreateJITCodeEntryInternal()
357   descriptor.timestamp_ = timestamp;  in CreateJITCodeEntryInternal()
358   Sequnlock(descriptor);  in CreateJITCodeEntryInternal()
368   JITDescriptor& descriptor = NativeInfo::Descriptor();  in DeleteJITCodeEntryInternal()  local
371   Seqlock(descriptor);  in DeleteJITCodeEntryInternal()
377     descriptor.tail_ = prev;  in DeleteJITCodeEntryInternal()
382     descriptor.head_.store(next, std::memory_order_relaxed);  in DeleteJITCodeEntryInternal()
384   descriptor.relevant_entry_ = entry;  in DeleteJITCodeEntryInternal()
385   descriptor.action_flag_ = JIT_UNREGISTER_FN;  in DeleteJITCodeEntryInternal()
386   descriptor.timestamp_ = GetNextTimestamp(descriptor);  in DeleteJITCodeEntryInternal()
387   Sequnlock(descriptor);  in DeleteJITCodeEntryInternal()
405   writable_entry->next_.store(descriptor.free_entries_, kNonRacingRelaxed);  in DeleteJITCodeEntryInternal()
407   descriptor.free_entries_ = entry;  in DeleteJITCodeEntryInternal()
456   JITDescriptor& descriptor = JitNativeInfo::Descriptor();  in NativeDebugInfoPreFork()  local
457   if (descriptor.zygote_head_entry_ != nullptr) {  in NativeDebugInfoPreFork()
468   InsertNewEntry<JitNativeInfo>(zygote_head, descriptor.head_);  in NativeDebugInfoPreFork()
469   descriptor.zygote_head_entry_ = zygote_head;  in NativeDebugInfoPreFork()
473   InsertNewEntry<JitNativeInfo>(&descriptor.application_tail_entry_, descriptor.head_);  in NativeDebugInfoPreFork()
478   JITDescriptor& descriptor = JitNativeInfo::Descriptor();  in NativeDebugInfoPostFork()  local
479   descriptor.free_entries_ = nullptr;  // Don't reuse zygote's entries.  in NativeDebugInfoPostFork()
492   JITDescriptor& descriptor = __jit_debug_descriptor;  in RepackEntries()  local
498   for (const JITCodeEntry* it = descriptor.head_; it != nullptr; it = it->next_) {  in RepackEntries()
499     if (it == descriptor.zygote_head_entry_ && !is_zygote) {  in RepackEntries()