1 files changed, 55 insertions, 0 deletions
diff --git a/lib/DebugInfo/GSYM/Range.cpp b/lib/DebugInfo/GSYM/Range.cpp
new file mode 100644
index 000000000000..ca61984dacbd
--- /dev/null
+++ b/lib/DebugInfo/GSYM/Range.cpp
@@ -0,0 +1,55 @@
+//===- Range.cpp ------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/GSYM/Range.h"
+#include <algorithm>
+#include <inttypes.h>
+
+using namespace llvm;
+using namespace gsym;
+
+
+void AddressRanges::insert(AddressRange Range) {
+  if (Range.size() == 0)
+    return;
+
+  auto It = llvm::upper_bound(Ranges, Range);
+  auto It2 = It;
+  while (It2 != Ranges.end() && It2->Start < Range.End)
+    ++It2;
+  if (It != It2) {
+    Range.End = std::max(Range.End, It2[-1].End);
+    It = Ranges.erase(It, It2);
+  }
+  if (It != Ranges.begin() && Range.Start < It[-1].End)
+    It[-1].End = std::max(It[-1].End, Range.End);
+  else
+    Ranges.insert(It, Range);
+}
+
+bool AddressRanges::contains(uint64_t Addr) const {
+  auto It = std::partition_point(
+      Ranges.begin(), Ranges.end(),
+      [=](const AddressRange &R) { return R.Start <= Addr; });
+  return It != Ranges.begin() && Addr < It[-1].End;
+}
+
+raw_ostream &llvm::gsym::operator<<(raw_ostream &OS, const AddressRange &R) {
+  return OS << '[' << HEX64(R.Start) << " - " << HEX64(R.End) << ")";
+}
+
+raw_ostream &llvm::gsym::operator<<(raw_ostream &OS, const AddressRanges &AR) {
+  size_t Size = AR.size();
+  for (size_t I = 0; I < Size; ++I) {
+    if (I)
+      OS << ' ';
+    OS << AR[I];
+  }
+  return OS;
+}