Emit the ctors in the proper order on ARM/EABI.

Maybe some targets should use this as well.

Patch by Evgeniy Stepanov!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145781 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 16 insertions, 3 deletions

diff --git a/include/llvm/MC/MCObjectFileInfo.h b/include/llvm/MC/MCObjectFileInfo.h
index 2c5a0a15c3..d91b11b1f7 100644
--- a/include/llvm/MC/MCObjectFileInfo.h
+++ b/include/llvm/MC/MCObjectFileInfo.h
@@ -19,10 +19,14 @@
 #include "llvm/MC/SectionKind.h"
 
 namespace llvm {
-class MCContext;
-class MCSection;
-class Triple;
+  class MCContext;
+  class MCSection;
+  class Triple;
   
+  namespace Structors {
+    enum OutputOrder { None, PriorityOrder, ReversePriorityOrder };
+  }
+
 class MCObjectFileInfo {  
 protected:
   /// CommDirectiveSupportsAlignment - True if .comm supports alignment.  This
@@ -164,6 +168,11 @@ protected:
   const MCSection *PDataSection;
   const MCSection *XDataSection;
   
+  /// StructorOutputOrder - Whether the static ctor/dtor list should be output
+  /// in no particular order, in order of increasing priority or the reverse:
+  /// in order of decreasing priority (the default).
+  Structors::OutputOrder StructorOutputOrder; // Default is reverse order.
+
 public:
   void InitMCObjectFileInfo(StringRef TT, Reloc::Model RM, CodeModel::Model CM,
                             MCContext &ctx);
@@ -291,6 +300,10 @@ public:
     return EHFrameSection;
   }
 
+  Structors::OutputOrder getStructorOutputOrder() const {
+    return StructorOutputOrder;
+  }
+
 private:
   enum Environment { IsMachO, IsELF, IsCOFF };
   Environment Env;