Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 106 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/source/Target/QueueItem.cpp b/gnu/llvm/lldb/source/Target/QueueItem.cpp
new file mode 100644
index 00000000000..47ff9e028fc
--- /dev/null
+++ b/gnu/llvm/lldb/source/Target/QueueItem.cpp
@@ -0,0 +1,106 @@
+//===-- QueueItem.cpp -------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Target/Queue.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/QueueItem.h"
+#include "lldb/Target/SystemRuntime.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+QueueItem::QueueItem(QueueSP queue_sp, ProcessSP process_sp,
+                     lldb::addr_t item_ref, lldb_private::Address address)
+    : m_queue_wp(), m_process_wp(), m_item_ref(item_ref), m_address(address),
+      m_have_fetched_entire_item(false), m_kind(eQueueItemKindUnknown),
+      m_item_that_enqueued_this_ref(LLDB_INVALID_ADDRESS),
+      m_enqueueing_thread_id(LLDB_INVALID_THREAD_ID),
+      m_enqueueing_queue_id(LLDB_INVALID_QUEUE_ID),
+      m_target_queue_id(LLDB_INVALID_QUEUE_ID), m_stop_id(0), m_backtrace(),
+      m_thread_label(), m_queue_label(), m_target_queue_label() {
+  m_queue_wp = queue_sp;
+  m_process_wp = process_sp;
+}
+
+QueueItem::~QueueItem() {}
+
+QueueItemKind QueueItem::GetKind() {
+  FetchEntireItem();
+  return m_kind;
+}
+
+void QueueItem::SetKind(QueueItemKind item_kind) { m_kind = item_kind; }
+
+Address &QueueItem::GetAddress() { return m_address; }
+
+void QueueItem::SetAddress(Address addr) { m_address = addr; }
+
+ThreadSP QueueItem::GetExtendedBacktraceThread(ConstString type) {
+  FetchEntireItem();
+  ThreadSP return_thread;
+  QueueSP queue_sp = m_queue_wp.lock();
+  if (queue_sp) {
+    ProcessSP process_sp = queue_sp->GetProcess();
+    if (process_sp && process_sp->GetSystemRuntime()) {
+      return_thread =
+          process_sp->GetSystemRuntime()->GetExtendedBacktraceForQueueItem(
+              this->shared_from_this(), type);
+    }
+  }
+  return return_thread;
+}
+
+lldb::addr_t QueueItem::GetItemThatEnqueuedThis() {
+  FetchEntireItem();
+  return m_item_that_enqueued_this_ref;
+}
+
+lldb::tid_t QueueItem::GetEnqueueingThreadID() {
+  FetchEntireItem();
+  return m_enqueueing_thread_id;
+}
+
+lldb::queue_id_t QueueItem::GetEnqueueingQueueID() {
+  FetchEntireItem();
+  return m_enqueueing_queue_id;
+}
+
+uint32_t QueueItem::GetStopID() {
+  FetchEntireItem();
+  return m_stop_id;
+}
+
+std::vector<lldb::addr_t> &QueueItem::GetEnqueueingBacktrace() {
+  FetchEntireItem();
+  return m_backtrace;
+}
+
+std::string QueueItem::GetThreadLabel() {
+  FetchEntireItem();
+  return m_thread_label;
+}
+
+std::string QueueItem::GetQueueLabel() {
+  FetchEntireItem();
+  return m_queue_label;
+}
+
+ProcessSP QueueItem::GetProcessSP() { return m_process_wp.lock(); }
+
+void QueueItem::FetchEntireItem() {
+  if (m_have_fetched_entire_item)
+    return;
+  ProcessSP process_sp = m_process_wp.lock();
+  if (process_sp) {
+    SystemRuntime *runtime = process_sp->GetSystemRuntime();
+    if (runtime) {
+      runtime->CompleteQueueItem(this, m_item_ref);
+      m_have_fetched_entire_item = true;
+    }
+  }
+}