MC: Add section layout order indices to MCSectionData.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103715 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/MC/MCAssembler.h b/include/llvm/MC/MCAssembler.h
index 33fa295..095b174 100644
--- a/include/llvm/MC/MCAssembler.h
+++ b/include/llvm/MC/MCAssembler.h
@@ -392,6 +392,9 @@
/// Ordinal - The section index in the assemblers section list.
unsigned Ordinal;
+ /// LayoutOrder - The index of this section in the layout order.
+ unsigned LayoutOrder;
+
/// Alignment - The maximum alignment seen in this section.
unsigned Alignment;
@@ -426,6 +429,9 @@
unsigned getOrdinal() const { return Ordinal; }
void setOrdinal(unsigned Value) { Ordinal = Value; }
+ unsigned getLayoutOrder() const { return LayoutOrder; }
+ void setLayoutOrder(unsigned Value) { LayoutOrder = Value; }
+
/// @name Fragment Access
/// @{
diff --git a/lib/MC/MCAssembler.cpp b/lib/MC/MCAssembler.cpp
index ac91bad..f41b25f 100644
--- a/lib/MC/MCAssembler.cpp
+++ b/lib/MC/MCAssembler.cpp
@@ -601,6 +601,10 @@
// Create the layout object.
MCAsmLayout Layout(*this);
+ // Assign layout order indices.
+ for (unsigned i = 0, e = Layout.getSectionOrder().size(); i != e; ++i)
+ Layout.getSectionOrder()[i]->setLayoutOrder(i);
+
// Insert additional align fragments for concrete sections to explicitly pad
// the previous section to match their alignment requirements. This is for
// 'gas' compatibility, it shouldn't strictly be necessary.