llvm-mc/Mach-O: Preliminary support for indirect symbols.
- The indirect table itself isn't being filled in yet.
- This isn't factored properly and is rather FIXMEd, but at the moment I'm more
focused on figuring out what it needs to do.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79910 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCMachOStreamer.cpp b/lib/MC/MCMachOStreamer.cpp
index 9d60e3e..f49f6e0 100644
--- a/lib/MC/MCMachOStreamer.cpp
+++ b/lib/MC/MCMachOStreamer.cpp
@@ -165,6 +165,16 @@
void MCMachOStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
SymbolAttr Attribute) {
+ // Indirect symbols are handled differently, to match how 'as' handles
+ // them. This makes writing matching .o files easier.
+ if (Attribute == MCStreamer::IndirectSymbol) {
+ IndirectSymbolData ISD;
+ ISD.Symbol = Symbol;
+ ISD.SectionData = CurSectionData;
+ Assembler.getIndirectSymbols().push_back(ISD);
+ return;
+ }
+
// Adding a symbol attribute always introduces the symbol, note that an
// important side effect of calling getSymbolData here is to register the
// symbol with the assembler.
@@ -177,6 +187,7 @@
// In the future it might be worth trying to make these operations more well
// defined.
switch (Attribute) {
+ case MCStreamer::IndirectSymbol:
case MCStreamer::Hidden:
case MCStreamer::Internal:
case MCStreamer::Protected:
@@ -195,10 +206,6 @@
SD.setFlags(SD.getFlags() | SF_ReferenceTypeUndefinedLazy);
break;
- case MCStreamer::IndirectSymbol:
- llvm_unreachable("FIXME: Not yet implemented!");
- break;
-
// Since .reference sets the no dead strip bit, it is equivalent to
// .no_dead_strip in practice.
case MCStreamer::Reference: