* output.cc (Output_file::map_anonymous): Define.

	(Output_file::map): Use map_anonymous.  If the regular mmap fails,
	try an anonymous one.  Report the size if the mmap fails.
	* output.h (class Output_file): Declare map_anonymous.

1 files changed, 5 insertions, 1 deletions

diff --git a/gold/output.h b/gold/output.h
index 6c37dfd..5d2c62f 100644
--- a/gold/output.h
+++ b/gold/output.h
@@ -3115,10 +3115,14 @@ class Output_file
   { }
 
  private:
-  // Map the file into memory and return a pointer to the map.
+  // Map the file into memory.
   void
   map();
 
+  // Allocate anonymous memory for the file.
+  void*
+  map_anonymous();
+
   // Unmap the file from memory (and flush to disk buffers).
   void
   unmap();