From 900f2ce31c0a39a5542f104e9430835fc811be8b Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Wed, 25 Nov 2009 06:53:08 +0000
Subject: [PATCH] Sketch structure for X86 disassembler.

llvm-svn: 89850
---
 .../Target/X86/Disassembler/CMakeLists.txt    |  6 ++++
 llvm/lib/Target/X86/Disassembler/Makefile     | 16 ++++++++++
 .../X86/Disassembler/X86Disassembler.cpp      | 29 +++++++++++++++++++
 llvm/lib/Target/X86/Makefile                  |  2 +-
 4 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 llvm/lib/Target/X86/Disassembler/CMakeLists.txt
 create mode 100644 llvm/lib/Target/X86/Disassembler/Makefile
 create mode 100644 llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp

diff --git a/llvm/lib/Target/X86/Disassembler/CMakeLists.txt b/llvm/lib/Target/X86/Disassembler/CMakeLists.txt
new file mode 100644
index 000000000000..b329e897b980
--- /dev/null
+++ b/llvm/lib/Target/X86/Disassembler/CMakeLists.txt
@@ -0,0 +1,6 @@
+include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
+
+add_llvm_library(LLVMX86Disassembler
+  X86Disassembler.cpp
+  )
+add_dependencies(LLVMX86Disassembler X86CodeGenTable_gen)
diff --git a/llvm/lib/Target/X86/Disassembler/Makefile b/llvm/lib/Target/X86/Disassembler/Makefile
new file mode 100644
index 000000000000..b2896477df48
--- /dev/null
+++ b/llvm/lib/Target/X86/Disassembler/Makefile
@@ -0,0 +1,16 @@
+##===- lib/Target/X86/Disassembler/Makefile ----------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../../../..
+LIBRARYNAME = LLVMX86Disassembler
+
+# Hack: we need to include 'main' x86 target directory to grab private headers
+CPPFLAGS = -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
+
+include $(LEVEL)/Makefile.common
diff --git a/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp b/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp
new file mode 100644
index 000000000000..2ebbc9bdbdb6
--- /dev/null
+++ b/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp
@@ -0,0 +1,29 @@
+//===- X86Disassembler.cpp - Disassembler for x86 and x86_64 ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCDisassembler.h"
+#include "llvm/Target/TargetRegistry.h"
+#include "X86.h"
+using namespace llvm;
+
+static const MCDisassembler *createX86_32Disassembler(const Target &T) {
+  return 0;
+}
+
+static const MCDisassembler *createX86_64Disassembler(const Target &T) {
+  return 0; 
+}
+
+extern "C" void LLVMInitializeX86Disassembler() { 
+  // Register the disassembler.
+  TargetRegistry::RegisterMCDisassembler(TheX86_32Target, 
+                                         createX86_32Disassembler);
+  TargetRegistry::RegisterMCDisassembler(TheX86_64Target,
+                                         createX86_64Disassembler);
+}
diff --git a/llvm/lib/Target/X86/Makefile b/llvm/lib/Target/X86/Makefile
index 220831d88db3..b311a6ed86a9 100644
--- a/llvm/lib/Target/X86/Makefile
+++ b/llvm/lib/Target/X86/Makefile
@@ -18,6 +18,6 @@ BUILT_SOURCES = X86GenRegisterInfo.h.inc X86GenRegisterNames.inc \
                 X86GenFastISel.inc \
                 X86GenCallingConv.inc X86GenSubtarget.inc
 
-DIRS = AsmPrinter AsmParser TargetInfo
+DIRS = AsmPrinter AsmParser Disassembler TargetInfo
 
 include $(LEVEL)/Makefile.common