[MC] Make *ObjectWriter final

Summary: to make it clear that target customization should be done by inheriting from MCObjectTargetWriter subclasses instead of MCObjectWriter subclasses. Test Plan: Reviewers: Subscribers: Tasks: Tags: Differential Revision: https://phabricator.intern.facebook.com/D60251094
llvm · Jul 25, 2024 · 2427242 · 2427242
1 parent 76e8205
commit 2427242
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/llvm/include/llvm/MC/MCELFObjectWriter.h b/llvm/include/llvm/MC/MCELFObjectWriter.h
@@ -154,7 +154,7 @@ class MCELFObjectTargetWriter : public MCObjectTargetWriter {
   }
 };
 
-class ELFObjectWriter : public MCObjectWriter {
+class ELFObjectWriter final : public MCObjectWriter {
   unsigned ELFHeaderEFlags = 0;
 
 public:

diff --git a/llvm/include/llvm/MC/MCMachObjectWriter.h b/llvm/include/llvm/MC/MCMachObjectWriter.h
@@ -83,7 +83,7 @@ class MCMachObjectTargetWriter : public MCObjectTargetWriter {
   /// @}
 };
 
-class MachObjectWriter : public MCObjectWriter {
+class MachObjectWriter final : public MCObjectWriter {
 public:
   struct DataRegionData {
     MachO::DataRegionType Kind;

diff --git a/llvm/include/llvm/MC/MCWinCOFFObjectWriter.h b/llvm/include/llvm/MC/MCWinCOFFObjectWriter.h
@@ -45,7 +45,7 @@ class MCWinCOFFObjectTargetWriter : public MCObjectTargetWriter {
 
 class WinCOFFWriter;
 
-class WinCOFFObjectWriter : public MCObjectWriter {
+class WinCOFFObjectWriter final : public MCObjectWriter {
   friend class WinCOFFWriter;
 
   std::unique_ptr<MCWinCOFFObjectTargetWriter> TargetObjectWriter;