Remove the old file memory mapping functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183828 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 1 insertions, 30 deletions

diff --git a/lib/Support/MemoryBuffer.cpp b/lib/Support/MemoryBuffer.cpp
index 7c5ab96a76..82812c0aed 100644
--- a/lib/Support/MemoryBuffer.cpp
+++ b/lib/Support/MemoryBuffer.cpp
@@ -33,8 +33,7 @@
 #include <unistd.h>
 #else
 #include <io.h>
-// Simplistic definitinos of these macros to allow files to be read with
-// MapInFilePages.
+// Simplistic definitinos of these macros for use in getOpenFile.
 #ifndef S_ISREG
 #define S_ISREG(x) (1)
 #endif
diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc
index 39538d0e06..7b236a56e1 100644
--- a/lib/Support/Unix/Path.inc
+++ b/lib/Support/Unix/Path.inc
@@ -773,21 +773,4 @@ Path::makeUnique(bool reuse_current, std::string* ErrMsg) {
 #endif
   return false;
 }
-
-const char *Path::MapInFilePages(int FD, size_t FileSize, off_t Offset) {
-  int Flags = MAP_PRIVATE;
-#ifdef MAP_FILE
-  Flags |= MAP_FILE;
-#endif
-  void *BasePtr = ::mmap(0, FileSize, PROT_READ, Flags, FD, Offset);
-  if (BasePtr == MAP_FAILED)
-    return 0;
-  return (const char*)BasePtr;
-}
-
-void Path::UnMapFilePages(const char *BasePtr, size_t FileSize) {
-  const void *Addr = static_cast<const void *>(BasePtr);
-  ::munmap(const_cast<void *>(Addr), FileSize);
-}
-
 } // end llvm namespace
diff --git a/lib/Support/Windows/Path.inc b/lib/Support/Windows/Path.inc
index b5a703a151..f4a2a1b447 100644
--- a/lib/Support/Windows/Path.inc
+++ b/lib/Support/Windows/Path.inc
@@ -788,16 +788,5 @@ Path::createTemporaryFileOnDisk(bool reuse_current, std::string* ErrMsg) {
   CloseHandle(h);
   return false;
 }
-
-/// MapInFilePages - Not yet implemented on win32.
-const char *Path::MapInFilePages(int FD, size_t FileSize, off_t Offset) {
-  return 0;
-}
-
-/// MapInFilePages - Not yet implemented on win32.
-void Path::UnMapFilePages(const char *Base, size_t FileSize) {
-  assert(0 && "NOT IMPLEMENTED");
-}
-
 }
 }