Support ELF files of unknown type.

llvm-svn: 222208

Author: Bigcheese

llvm/include/llvm/Support/FileSystem.h

@@ -226,6 +226,7 @@ struct file_magic {
     unknown = 0,              ///< Unrecognized file
     bitcode,                  ///< Bitcode file
     archive,                  ///< ar style archive file
+    elf,                      ///< ELF Unknown type
     elf_relocatable,          ///< ELF Relocatable object file
     elf_executable,           ///< ELF Executable image
     elf_shared_object,        ///< ELF dynamically linked shared lib

llvm/lib/Object/Binary.cpp

@@ -43,6 +43,7 @@ ErrorOr<std::unique_ptr<Binary>> object::createBinary(MemoryBufferRef Buffer,
   switch (Type) {
     case sys::fs::file_magic::archive:
       return Archive::create(Buffer);
+    case sys::fs::file_magic::elf:
     case sys::fs::file_magic::elf_relocatable:
     case sys::fs::file_magic::elf_executable:
     case sys::fs::file_magic::elf_shared_object:

llvm/lib/Object/ObjectFile.cpp

@@ -60,6 +60,7 @@ ObjectFile::createObjectFile(MemoryBufferRef Object, sys::fs::file_magic Type) {
   case sys::fs::file_magic::macho_universal_binary:
   case sys::fs::file_magic::windows_resource:
     return object_error::invalid_file_type;
+  case sys::fs::file_magic::elf:
   case sys::fs::file_magic::elf_relocatable:
   case sys::fs::file_magic::elf_executable:
   case sys::fs::file_magic::elf_shared_object:

llvm/lib/Object/SymbolicFile.cpp

@@ -40,6 +40,7 @@ ErrorOr<std::unique_ptr<SymbolicFile>> SymbolicFile::createSymbolicFile(
   case sys::fs::file_magic::macho_universal_binary:
   case sys::fs::file_magic::windows_resource:
     return object_error::invalid_file_type;
+  case sys::fs::file_magic::elf:
   case sys::fs::file_magic::elf_executable:
   case sys::fs::file_magic::elf_shared_object:
   case sys::fs::file_magic::elf_core:

llvm/lib/Support/Path.cpp

@@ -958,6 +958,9 @@ file_magic identify_magic(StringRef Magic) {
             case 3: return file_magic::elf_shared_object;
             case 4: return file_magic::elf_core;
           }
+        else
+          // It's still some type of ELF file.
+          return file_magic::elf;
       }
       break;