[PATCH] D18302: [ELF][MIPS] Delete GotSection::addMipsLocalEntry method

[Simon Atanasyan via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL264032: [ELF][MIPS] Delete GotSection::addMipsLocalEntry method (authored by atanasyan).

Changed prior to commit:
  http://reviews.llvm.org/D18302?vs=51195&id=51261#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D18302

Files:
  lld/trunk/ELF/OutputSections.cpp
  lld/trunk/ELF/OutputSections.h
  lld/trunk/ELF/Writer.cpp

Index: lld/trunk/ELF/OutputSections.h
===================================================================
--- lld/trunk/ELF/OutputSections.h
+++ lld/trunk/ELF/OutputSections.h
@@ -100,7 +100,6 @@
   void finalize() override;
   void writeTo(uint8_t *Buf) override;
   void addEntry(SymbolBody &Sym);
-  void addMipsLocalEntry();
   bool addDynTlsEntry(SymbolBody &Sym);
   bool addTlsIndex();
   bool empty() const { return MipsLocalEntries == 0 && Entries.empty(); }
Index: lld/trunk/ELF/Writer.cpp
===================================================================
--- lld/trunk/ELF/Writer.cpp
+++ lld/trunk/ELF/Writer.cpp
@@ -335,14 +335,6 @@
       Out<ELFT>::RelaDyn->addReloc({Target->RelativeRel, &C, RI.r_offset, true,
                                     &Body, getAddend<ELFT>(RI)});
 
-    // MIPS has a special rule to create GOTs for local symbols.
-    if (Config->EMachine == EM_MIPS && !Preemptible &&
-        Target->needsGot(Type, Body)) {
-      // FIXME (simon): Do not add so many redundant entries.
-      Out<ELFT>::Got->addMipsLocalEntry();
-      continue;
-    }
-
     // If a symbol in a DSO is referenced directly instead of through GOT,
     // we need to create a copy relocation for the symbol.
     if (auto *B = dyn_cast<SharedSymbol<ELFT>>(&Body)) {
@@ -407,15 +399,13 @@
         continue;
       Out<ELFT>::Got->addEntry(Body);
 
-      if (Config->EMachine == EM_MIPS) {
+      if (Config->EMachine == EM_MIPS)
         // MIPS ABI has special rules to process GOT entries
         // and doesn't require relocation entries for them.
         // See "Global Offset Table" in Chapter 5 in the following document
         // for detailed description:
         // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
-        Body.MustBeInDynSym = true;
         continue;
-      }
 
       bool Dynrel = Config->Pic && !Target->isRelRelative(Type) &&
                     !Target->isSizeRel(Type);
Index: lld/trunk/ELF/OutputSections.cpp
===================================================================
--- lld/trunk/ELF/OutputSections.cpp
+++ lld/trunk/ELF/OutputSections.cpp
@@ -90,14 +90,22 @@
 }
 
 template <class ELFT> void GotSection<ELFT>::addEntry(SymbolBody &Sym) {
+  if (Config->EMachine == EM_MIPS) {
+    if (Sym.isPreemptible())
+      // All symbols with MIPS GOT entries should be represented
+      // in the dynamic symbols table. See "Global Offset Table" in Chapter 5:
+      // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
+      Sym.MustBeInDynSym = true;
+    else {
+      // FIXME (simon): Do not add so many redundant entries.
+      ++MipsLocalEntries;
+      return;
+    }
+  }
   Sym.GotIndex = Entries.size();
   Entries.push_back(&Sym);
 }
 
-template <class ELFT> void GotSection<ELFT>::addMipsLocalEntry() {
-  ++MipsLocalEntries;
-}
-
 template <class ELFT> bool GotSection<ELFT>::addDynTlsEntry(SymbolBody &Sym) {
   if (Sym.hasGlobalDynIndex())
     return false;


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