MC: Explicity track section and fragment ordinals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99500 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCAssembler.cpp b/lib/MC/MCAssembler.cpp
index 8efc78c..5190239 100644
--- a/lib/MC/MCAssembler.cpp
+++ b/lib/MC/MCAssembler.cpp
@@ -568,6 +568,18 @@
llvm::errs() << "assembler backend - pre-layout\n--\n";
dump(); });
+ // Assign section and fragment ordinals, all subsequent backend code is
+ // responsible for updating these in place.
+ unsigned SectionIndex = 0;
+ unsigned FragmentIndex = 0;
+ for (MCAssembler::iterator it = begin(), ie = end(); it != ie; ++it) {
+ it->setOrdinal(SectionIndex++);
+
+ for (MCSectionData::iterator it2 = it->begin(),
+ ie2 = it->end(); it2 != ie2; ++it2)
+ it2->setOrdinal(FragmentIndex++);
+ }
+
// Layout until everything fits.
MCAsmLayout Layout(*this);
while (LayoutOnce(Layout))
@@ -781,6 +793,7 @@
//
// FIXME: Add MCAsmLayout utility for this.
DF->setParent(IF->getParent());
+ DF->setOrdinal(IF->getOrdinal());
Layout.setFragmentOffset(DF, Layout.getFragmentOffset(IF));
Layout.setFragmentEffectiveSize(DF, Layout.getFragmentEffectiveSize(IF));