From b68a3ee82a8a34f7bae1d68d76f574e76a5535ef Mon Sep 17 00:00:00 2001
From: Johnny Chen <johnny.chen@apple.com>
Date: Fri, 2 Apr 2010 22:27:38 +0000
Subject: Second try of initial ARM/Thumb disassembler check-in.  It consists
 of a tablgen backend (ARMDecoderEmitter) which emits the decoder functions
 for ARM and Thumb, and the disassembler core which invokes the decoder
 function and builds up the MCInst based on the decoded Opcode.

Reviewed by Chris Latter and Bob Wilson.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100233 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/ARMDecoderEmitter.h | 50 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 utils/TableGen/ARMDecoderEmitter.h

(limited to 'utils/TableGen/ARMDecoderEmitter.h')

diff --git a/utils/TableGen/ARMDecoderEmitter.h b/utils/TableGen/ARMDecoderEmitter.h
new file mode 100644
index 0000000000..66147e2f8c
--- /dev/null
+++ b/utils/TableGen/ARMDecoderEmitter.h
@@ -0,0 +1,50 @@
+//===------------ ARMDecoderEmitter.h - Decoder Generator -------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is part of the ARM Disassembler.
+// It contains the tablegen backend declaration ARMDecoderEmitter.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ARMDECODEREMITTER_H
+#define ARMDECODEREMITTER_H
+
+#include "TableGenBackend.h"
+
+#include "llvm/Support/DataTypes.h"
+
+namespace llvm {
+
+class ARMDecoderEmitter : public TableGenBackend {
+  RecordKeeper &Records;
+public:
+  ARMDecoderEmitter(RecordKeeper &R) : Records(R) {
+    initBackend();
+  }
+    
+  ~ARMDecoderEmitter() {
+    shutdownBackend();
+  }
+	
+  // run - Output the code emitter
+  void run(raw_ostream &o);
+    
+private:
+  // Helper class for ARMDecoderEmitter.
+  class ARMDEBackend;
+
+  ARMDEBackend *Backend;
+    
+  void initBackend();
+  void shutdownBackend();
+};
+
+} // end llvm namespace
+
+#endif
-- 
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