Implement support for __llvm_addrsig for MachO in llvm-mc

The __llvm_addrsig section is a section that the linker needs for safe icf.
This was not yet implemented for MachO - this is the implementation.
It has been tested with a safe deduplication implementation inside lld.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D123751

1 files changed, 0 insertions, 6 deletions

diff --git a/llvm/lib/MC/ELFObjectWriter.cpp b/llvm/lib/MC/ELFObjectWriter.cpp
index 08d1b12..eda4956 100644
--- a/llvm/lib/MC/ELFObjectWriter.cpp
+++ b/llvm/lib/MC/ELFObjectWriter.cpp
@@ -221,8 +221,6 @@ class ELFObjectWriter : public MCObjectWriter {
   DenseMap<const MCSymbolELF *, const MCSymbolELF *> Renames;
 
   bool SeenGnuAbi = false;
-  bool EmitAddrsigSection = false;
-  std::vector<const MCSymbol *> AddrsigSyms;
 
   bool hasRelocationAddend() const;
 
@@ -262,10 +260,6 @@ public:
 
   void markGnuAbi() override { SeenGnuAbi = true; }
   bool seenGnuAbi() const { return SeenGnuAbi; }
-  void emitAddrsigSection() override { EmitAddrsigSection = true; }
-  void addAddrsigSymbol(const MCSymbol *Sym) override {
-    AddrsigSyms.push_back(Sym);
-  }
 
   friend struct ELFWriter;
 };