From 7b3392326c40c3c20697816acae597ba7b3144eb Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Thu, 20 Oct 2011 21:10:27 +0000
Subject: Vendor import of llvm release_30 branch r142614:
http://llvm.org/svn/llvm-project/llvm/branches/release_30@142614
---
include/llvm/MC/MCModule.h | 58 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 58 insertions(+)
create mode 100644 include/llvm/MC/MCModule.h
(limited to 'include/llvm/MC/MCModule.h')
diff --git a/include/llvm/MC/MCModule.h b/include/llvm/MC/MCModule.h
new file mode 100644
index 0000000..755fa02
--- /dev/null
+++ b/include/llvm/MC/MCModule.h
@@ -0,0 +1,58 @@
+//===-- llvm/MC/MCModule.h - MCModule class ---------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the declaration of the MCModule class, which is used to
+// represent a complete, disassembled object file or executable.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCMODULE_H
+#define LLVM_MC_MCMODULE_H
+
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/IntervalMap.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/Support/DataTypes.h"
+
+namespace llvm {
+
+class MCAtom;
+
+/// MCModule - This class represent a completely disassembled object file or
+/// executable. It comprises a list of MCAtom's, and a branch target table.
+/// Each atom represents a contiguous range of either instructions or data.
+class MCModule {
+ /// AtomAllocationTracker - An MCModule owns its component MCAtom's, so it
+ /// must track them in order to ensure they are properly freed as atoms are
+ /// merged or otherwise manipulated.
+ SmallPtrSet<MCAtom*, 8> AtomAllocationTracker;
+
+ /// OffsetMap - Efficiently maps offset ranges to MCAtom's.
+ IntervalMap<uint64_t, MCAtom*> OffsetMap;
+
+ /// BranchTargetMap - Maps offsets that are determined to be branches and
+ /// can be statically resolved to their target offsets.
+ DenseMap<uint64_t, MCAtom*> BranchTargetMap;
+
+ friend class MCAtom;
+
+ /// remap - Update the interval mapping for an MCAtom.
+ void remap(MCAtom *Atom, uint64_t NewBegin, uint64_t NewEnd);
+
+public:
+ MCModule(IntervalMap<uint64_t, MCAtom*>::Allocator &A) : OffsetMap(A) { }
+
+ /// createAtom - Creates a new MCAtom covering the specified offset range.
+ MCAtom *createAtom(MCAtom::AtomType Type, uint64_t Begin, uint64_t End);
+};
+
+}
+
+#endif
+
--
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