Major refactoring: Remove Platform concept. In its place there are

now Reader and Writer subclasses for each file format.  Each Reader and
Writer subclass defines an "options" class which controls how that Reader
or Writer operates.

llvm-svn: 157774

1 files changed, 77 insertions, 0 deletions

diff --git a/lld/lib/ReaderWriter/MachO/ReferenceKinds.h b/lld/lib/ReaderWriter/MachO/ReferenceKinds.h
new file mode 100644
index 00000000000..8680b346c2d
--- /dev/null
+++ b/lld/lib/ReaderWriter/MachO/ReferenceKinds.h
@@ -0,0 +1,77 @@
+//===- lib/FileFormat/MachO/ReferenceKinds.h ------------------------------===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+
+#include "lld/Core/LLVM.h"
+#include "lld/Core/Reference.h"
+#include "lld/ReaderWriter/WriterMachO.h"
+
+#ifndef LLD_READER_WRITER_MACHO_REFERENCE_KINDS_H_
+#define LLD_READER_WRITER_MACHO_REFERENCE_KINDS_H_
+
+namespace lld {
+namespace mach_o {
+
+
+class ReferenceKind {
+public:
+  // x86_64 Reference Kinds
+  enum {
+    x86_64_none        = 0,
+    x86_64_call32      = 1,
+    x86_64_pcRel32     = 2,
+    x86_64_gotLoad32   = 3,
+    x86_64_gotUse32    = 4,
+    x86_64_lea32WasGot = 5,
+    x86_64_lazyTarget  = 6,
+    x86_64_lazyImm     = 7,
+    x86_64_gotTarget   = 8,
+    x86_64_pointer64   = 9,
+  };
+
+  // x86 Reference Kinds
+ enum {
+    x86_none        = 0,
+    x86_call32      = 1,
+    x86_pointer32   = 2,
+    x86_lazyTarget  = 3,
+    x86_lazyImm     = 4,
+    // FIXME
+  };
+
+  // ARM Reference Kinds
+ enum {
+    arm_none        = 0,
+    arm_br22        = 1,
+    arm_pointer32   = 2,
+    arm_lazyTarget  = 3,
+    arm_lazyImm     = 4,
+    // FIXME
+  };
+
+  static bool isCallSite(WriterOptionsMachO::Architecture arch, 
+                                                    Reference::Kind kindValue);
+  
+  static bool isRipRel32(Reference::Kind kindValue);
+
+
+  static Reference::Kind fromString(StringRef kindName); 
+  static StringRef toString(Reference::Kind kindValue);
+  
+};
+
+
+
+} // namespace mach_o
+} // namespace lld
+
+
+
+#endif // LLD_READER_WRITER_MACHO_REFERENCE_KINDS_H_
+