add a new MachineModuleInfoMachO class, which is the per-module

stuff common across all macho targets.

llvm-svn: 82018

1 files changed, 44 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/MachineModuleInfoImpls.cpp b/llvm/lib/CodeGen/MachineModuleInfoImpls.cpp
new file mode 100644
index 00000000000..10de1deec4e
--- /dev/null
+++ b/llvm/lib/CodeGen/MachineModuleInfoImpls.cpp
@@ -0,0 +1,44 @@
+//===-- llvm/CodeGen/MachineModuleInfoImpls.cpp ---------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements object-file format specific implementations of
+// MachineModuleInfoImpl.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/MachineModuleInfoImpls.h"
+#include "llvm/MC/MCSymbol.h"
+using namespace llvm;
+
+//===----------------------------------------------------------------------===//
+// MachineModuleInfoMachO
+//===----------------------------------------------------------------------===//
+
+// Out of line virtual method.
+void MachineModuleInfoMachO::Anchor() {}
+
+
+static int SortSymbolPair(const void *LHS, const void *RHS) {
+  const MCSymbol *LHSS =
+    ((const std::pair<const MCSymbol*, const MCSymbol*>*)LHS)->first;
+  const MCSymbol *RHSS =
+    ((const std::pair<const MCSymbol*, const MCSymbol*>*)RHS)->first;
+  return LHSS->getName().compare(RHSS->getName());
+}
+
+/// GetSortedStubs - Return the entries from a DenseMap in a deterministic
+/// sorted orer.
+MachineModuleInfoMachO::SymbolListTy
+MachineModuleInfoMachO::GetSortedStubs(const DenseMap<const MCSymbol*, 
+                                                      const MCSymbol*> &Map) {
+  MachineModuleInfoMachO::SymbolListTy List(Map.begin(), Map.end());
+  qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair);
+  return List;
+}
+