1 files changed, 12 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_win.cc b/lib/sanitizer_common/sanitizer_win.cc
index c6a146553412..89d9cf61c3e4 100644
--- a/lib/sanitizer_common/sanitizer_win.cc
+++ b/lib/sanitizer_common/sanitizer_win.cc
@@ -235,6 +235,18 @@ void *MmapFixedOrDie(uptr fixed_addr, uptr size) {
   return p;
 }
 
+void *MmapFixedOrDieOnFatalError(uptr fixed_addr, uptr size) {
+  void *p = VirtualAlloc((LPVOID)fixed_addr, size,
+      MEM_COMMIT, PAGE_READWRITE);
+  if (p == 0) {
+    char mem_type[30];
+    internal_snprintf(mem_type, sizeof(mem_type), "memory at address 0x%zx",
+                      fixed_addr);
+    return ReturnNullptrOnOOMOrDie(size, mem_type, "allocate");
+  }
+  return p;
+}
+
 void *MmapNoReserveOrDie(uptr size, const char *mem_type) {
   // FIXME: make this really NoReserve?
   return MmapOrDie(size, mem_type);