MCAssembler: Start applying fixups in the data section.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96090 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCAssembler.cpp b/lib/MC/MCAssembler.cpp
index a5df4ba..c8fa6bd 100644
--- a/lib/MC/MCAssembler.cpp
+++ b/lib/MC/MCAssembler.cpp
@@ -481,6 +481,8 @@
if (Target.isAbsolute()) { // constant
// SymbolNum of 0 indicates the absolute section.
+ //
+ // FIXME: When is this generated?
Type = RIT_Vanilla;
Value = 0;
llvm_unreachable("FIXME: Not yet implemented!");
@@ -875,6 +877,12 @@
OS << StringTable.str();
}
}
+
+ void ApplyFixup(const MCAsmFixup &Fixup, MCDataFragment &DF) {
+ // FIXME: Endianness assumption.
+ for (unsigned i = 0; i != Fixup.Size; ++i)
+ DF.getContents()[Fixup.Offset + i] = uint8_t(Fixup.FixedValue >> (i * 8));
+ }
};
/* *** */
@@ -1070,9 +1078,19 @@
break;
}
- case MCFragment::FT_Data:
+ case MCFragment::FT_Data: {
+ MCDataFragment &DF = cast<MCDataFragment>(F);
+
+ // Apply the fixups.
+ //
+ // FIXME: Move elsewhere.
+ for (MCDataFragment::const_fixup_iterator it = DF.fixup_begin(),
+ ie = DF.fixup_end(); it != ie; ++it)
+ MOW.ApplyFixup(*it, DF);
+
OS << cast<MCDataFragment>(F).getContents().str();
break;
+ }
case MCFragment::FT_Fill: {
MCFillFragment &FF = cast<MCFillFragment>(F);