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

2 files changed, 3 insertions, 3 deletions

diff --git a/lib/Support/FileUtilities.cpp b/lib/Support/FileUtilities.cpp
index cde08d1..8cca9d9 100644
--- a/lib/Support/FileUtilities.cpp
+++ b/lib/Support/FileUtilities.cpp
@@ -192,10 +192,10 @@ int llvm::DiffFilesWithTolerance(const sys::PathWithStatus &FileA,
   // Now its safe to mmap the files into memory becasue both files
   // have a non-zero size.
   sys::MappedFile F1;
-  if (F1.open(FileA, sys::MappedFile::READ_ACCESS, Error))
+  if (F1.open(FileA, Error))
     return 2;
   sys::MappedFile F2;
-  if (F2.open(FileB, sys::MappedFile::READ_ACCESS, Error))
+  if (F2.open(FileB, Error))
     return 2;
   if (!F1.map(Error))
     return 2;
diff --git a/lib/Support/MemoryBuffer.cpp b/lib/Support/MemoryBuffer.cpp
index 4d26d38..8cea07f 100644
--- a/lib/Support/MemoryBuffer.cpp
+++ b/lib/Support/MemoryBuffer.cpp
@@ -159,7 +159,7 @@ bool MemoryBufferMMapFile::open(const sys::Path &Filename,
                                 std::string *ErrStr) {
   // FIXME: This does an extra stat syscall to figure out the size, but we
   // already know the size!
-  bool Failure = File.open(Filename, sys::MappedFile::READ_ACCESS, ErrStr);
+  bool Failure = File.open(Filename, ErrStr);
   if (Failure) return true;
   
   if (!File.map(ErrStr))