Remove MappedFile support for mapping files for write and exec
and shared.  This complicates the design, is not used, and probably
doesn't even work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49022 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Archive/Archive.cpp b/lib/Archive/Archive.cpp
index 125b22e..c5da114 100644
--- a/lib/Archive/Archive.cpp
+++ b/lib/Archive/Archive.cpp
@@ -148,7 +148,7 @@
 Archive::mapToMemory(std::string* ErrMsg)
 {
   mapfile = new sys::MappedFile();
-  if (mapfile->open(archPath, sys::MappedFile::READ_ACCESS, ErrMsg))
+  if (mapfile->open(archPath, ErrMsg))
     return true;
   if (!(base = (char*) mapfile->map(ErrMsg)))
     return true;
diff --git a/lib/Archive/ArchiveWriter.cpp b/lib/Archive/ArchiveWriter.cpp
index c73e170..6a71026 100644
--- a/lib/Archive/ArchiveWriter.cpp
+++ b/lib/Archive/ArchiveWriter.cpp
@@ -212,7 +212,7 @@
   sys::MappedFile* mFile = 0;
   if (!data) {
     mFile = new sys::MappedFile();
-    if (mFile->open(member.getPath(), sys::MappedFile::READ_ACCESS, ErrMsg))
+    if (mFile->open(member.getPath(), ErrMsg))
       return true;
     if (!(data = (const char*) mFile->map(ErrMsg)))
       return true;
@@ -411,7 +411,7 @@
 
     // Map in the archive we just wrote.
     sys::MappedFile arch;
-    if (arch.open(TmpArchive, sys::MappedFile::READ_ACCESS, ErrMsg))
+    if (arch.open(TmpArchive, ErrMsg))
       return true;
     const char* base;
     if (!(base = (const char*) arch.map(ErrMsg)))