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-rw-r--r--include/llvm/Support/FileUtilities.h11
-rw-r--r--lib/Support/FileUtilities.cpp46
2 files changed, 0 insertions, 57 deletions
diff --git a/include/llvm/Support/FileUtilities.h b/include/llvm/Support/FileUtilities.h
index 885ee86c0d..b243df506b 100644
--- a/include/llvm/Support/FileUtilities.h
+++ b/include/llvm/Support/FileUtilities.h
@@ -61,17 +61,6 @@ bool MakeFileExecutable(const std::string &Filename);
///
bool MakeFileReadable(const std::string &Filename);
-/// ReadFileIntoAddressSpace - Attempt to map the specific file into the
-/// address space of the current process for reading. If this succeeds,
-/// return the address of the buffer and the length of the file mapped. On
-/// failure, return null.
-void *ReadFileIntoAddressSpace(const std::string &Filename, unsigned &Length);
-
-/// UnmapFileFromAddressSpace - Remove the specified file from the current
-/// address space.
-void UnmapFileFromAddressSpace(void *Buffer, unsigned Length);
-
-
/// FDHandle - Simple handle class to make sure a file descriptor gets closed
/// when the object is destroyed. This handle acts similarly to an
/// std::auto_ptr, in that the copy constructor and assignment operators
diff --git a/lib/Support/FileUtilities.cpp b/lib/Support/FileUtilities.cpp
index 305f455937..ee83bc1a56 100644
--- a/lib/Support/FileUtilities.cpp
+++ b/lib/Support/FileUtilities.cpp
@@ -196,52 +196,6 @@ bool llvm::MakeFileReadable(const std::string &Filename) {
return AddPermissionsBits(Filename, 0444);
}
-/// ReadFileIntoAddressSpace - Attempt to map the specific file into the
-/// address space of the current process for reading. If this succeeds,
-/// return the address of the buffer and the length of the file mapped. On
-/// failure, return null.
-void *llvm::ReadFileIntoAddressSpace(const std::string &Filename,
- unsigned &Length) {
-#if defined(HAVE_MMAP_FILE) && !defined(_MSC_VER)
- sys::Path File(Filename);
- Length = (unsigned)File.getSize();
- if ((int)Length == -1) return 0;
-
- FDHandle FD(open(Filename.c_str(), O_RDONLY));
- if (FD == -1) return 0;
-
- // If the file has a length of zero, mmap might return a null pointer. In
- // this case, allocate a single byte of memory and return it instead.
- if (Length == 0)
- return malloc(1);
-
- // mmap in the file all at once...
- void *Buffer = (void*)mmap(0, Length, PROT_READ, MAP_PRIVATE, FD, 0);
-
- if (Buffer == (void*)MAP_FAILED)
- return 0;
-
- return Buffer;
-#else
- // FIXME: implement with read/write
-#error Unimplemented ReadFileIntoAddressSpace - need to use read/write.
- return 0;
-#endif
-}
-
-/// UnmapFileFromAddressSpace - Remove the specified file from the current
-/// address space.
-void llvm::UnmapFileFromAddressSpace(void *Buffer, unsigned Length) {
-#if defined(HAVE_MMAP_FILE) && !defined(_MSC_VER)
- if (Length)
- munmap((char*)Buffer, Length);
- else
- free(Buffer); // Zero byte files are malloc(1)'s.
-#else
- free(Buffer);
-#endif
-}
-
//===----------------------------------------------------------------------===//
// FDHandle class implementation
//