1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/lib/Support/Memory.cpp b/llvm/lib/Support/Memory.cpp
index a9d3375..4a84247 100644
--- a/llvm/lib/Support/Memory.cpp
+++ b/llvm/lib/Support/Memory.cpp
@@ -15,6 +15,10 @@
 #include "llvm/Config/llvm-config.h"
 #include "llvm/Support/Valgrind.h"
 
+#ifndef NDEBUG
+#include "llvm/Support/raw_ostream.h"
+#endif // ifndef NDEBUG
+
 // Include the platform-specific parts of this class.
 #ifdef LLVM_ON_UNIX
 #include "Unix/Memory.inc"
@@ -22,3 +26,28 @@
 #ifdef _WIN32
 #include "Windows/Memory.inc"
 #endif
+
+#ifndef NDEBUG
+
+namespace llvm {
+namespace sys {
+
+raw_ostream &operator<<(raw_ostream &OS, const Memory::ProtectionFlags &PF) {
+  assert((PF & ~(Memory::MF_READ | Memory::MF_WRITE | Memory::MF_EXEC)) == 0 &&
+         "Unrecognized flags");
+
+  return OS << (PF & Memory::MF_READ ? 'R' : '-')
+            << (PF & Memory::MF_WRITE ? 'W' : '-')
+            << (PF & Memory::MF_EXEC ? 'X' : '-');
+}
+
+raw_ostream &operator<<(raw_ostream &OS, const MemoryBlock &MB) {
+  return OS << "[ " << MB.base() << " .. "
+            << (void *)((char *)MB.base() + MB.size()) << " ] (" << MB.size()
+            << " bytes)";
+}
+
+} // end namespace sys
+} // end namespace llvm
+
+#endif // ifndef NDEBUG