[lld][WebAssembly] Fix static linking of -fPIC code with external undefined functions

Differential Revision: https://reviews.llvm.org/D66784

llvm-svn: 372779

1 files changed, 10 insertions, 4 deletions

diff --git a/lld/wasm/SyntheticSections.h b/lld/wasm/SyntheticSections.h
index 88dc1fed87f..1557ce79d2d 100644
--- a/lld/wasm/SyntheticSections.h
+++ b/lld/wasm/SyntheticSections.h
@@ -175,17 +175,23 @@ class GlobalSection : public SyntheticSection {
 public:
   GlobalSection() : SyntheticSection(llvm::wasm::WASM_SEC_GLOBAL) {}
   uint32_t numGlobals() const {
-    return inputGlobals.size() + definedFakeGlobals.size() + gotSymbols.size();
+    assert(isSealed);
+    return inputGlobals.size() + dataAddressGlobals.size() +
+           staticGotSymbols.size();
   }
   bool isNeeded() const override { return numGlobals() > 0; }
   void assignIndexes() override;
   void writeBody() override;
   void addGlobal(InputGlobal *global);
-  void addDummyGOTEntry(Symbol *sym);
+  void addDataAddressGlobal(DefinedData *global);
+  void addStaticGOTEntry(Symbol *sym);
+
+  std::vector<const DefinedData *> dataAddressGlobals;
 
-  std::vector<const DefinedData *> definedFakeGlobals;
+protected:
+  bool isSealed = false;
   std::vector<InputGlobal *> inputGlobals;
-  std::vector<Symbol *> gotSymbols;
+  std::vector<Symbol *> staticGotSymbols;
 };
 
 // The event section contains a list of declared wasm events associated with the