convert ctors/dtors section to be in TLOF instead of
TAI.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77842 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 97134ee..f0cf943 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -20,6 +20,7 @@
 #include "ARMRegisterInfo.h"
 #include "ARMSubtarget.h"
 #include "ARMTargetMachine.h"
+#include "ARMTargetObjectFile.h"
 #include "llvm/CallingConv.h"
 #include "llvm/Constants.h"
 #include "llvm/Function.h"
@@ -34,7 +35,6 @@
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/PseudoSourceValue.h"
 #include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/ADT/VectorExtras.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -107,7 +107,7 @@
 static TargetLoweringObjectFile *createTLOF(TargetMachine &TM) {
   if (TM.getSubtarget<ARMSubtarget>().isTargetDarwin())
     return new TargetLoweringObjectFileMachO();
-  return new TargetLoweringObjectFileELF(true);
+  return new ARMElfTargetObjectFile();
 }
 
 ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
diff --git a/lib/Target/ARM/ARMTargetAsmInfo.cpp b/lib/Target/ARM/ARMTargetAsmInfo.cpp
index 2e249fb..ac0f610 100644
--- a/lib/Target/ARM/ARMTargetAsmInfo.cpp
+++ b/lib/Target/ARM/ARMTargetAsmInfo.cpp
@@ -78,13 +78,6 @@
   DwarfRangesSection =  "\t.section\t.debug_ranges,\"\",%progbits";
   DwarfMacroInfoSection = "\t.section\t.debug_macinfo,\"\",%progbits";
 
-  if (Subtarget->isAAPCS_ABI()) {
-    StaticCtorsSection = "\t.section .init_array,\"aw\",%init_array";
-    StaticDtorsSection = "\t.section .fini_array,\"aw\",%fini_array";
-  } else {
-    StaticCtorsSection = "\t.section .ctors,\"aw\",%progbits";
-    StaticDtorsSection = "\t.section .dtors,\"aw\",%progbits";
-  }
   SupportsDebugInformation = true;
 }
 
diff --git a/lib/Target/ARM/ARMTargetObjectFile.h b/lib/Target/ARM/ARMTargetObjectFile.h
new file mode 100644
index 0000000..604dd83
--- /dev/null
+++ b/lib/Target/ARM/ARMTargetObjectFile.h
@@ -0,0 +1,38 @@
+//===-- llvm/Target/ARMTargetObjectFile.h - ARM Object Info -----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TARGET_ARM_TARGETOBJECTFILE_H
+#define LLVM_TARGET_ARM_TARGETOBJECTFILE_H
+
+#include "llvm/Target/TargetLoweringObjectFile.h"
+
+namespace llvm {
+  
+  class ARMElfTargetObjectFile : public TargetLoweringObjectFileELF {
+  public:
+    ARMElfTargetObjectFile() : TargetLoweringObjectFileELF(true) {}
+    
+    void Initialize(MCContext &Ctx, const TargetMachine &TM) {
+      TargetLoweringObjectFileELF::Initialize(Ctx, TM);
+      
+      // FIXME: Add new attribute/flag to MCSection for init_array/fini_array.
+      // That will allow not treating these as "directives".
+      if (TM.getSubtarget<ARMSubtarget>().isAAPCS_ABI()) {
+        StaticCtorSection =
+          getOrCreateSection("\t.section .init_array,\"aw\",%init_array", false,
+                             SectionKind::getDataRel());
+        StaticDtorSection =
+          getOrCreateSection("\t.section .fini_array,\"aw\",%fini_array", false,
+                             SectionKind::getDataRel());
+      }
+    }
+  };
+} // end namespace llvm
+
+#endif