From c7c47681f6895ce617501dbec0ffbc39134c0a25 Mon Sep 17 00:00:00 2001
From: Rui Ueyama <ruiu@google.com>
Date: Fri, 9 May 2014 16:47:20 +0000
Subject: Revert "temporary commit."

This reverts accidental commit r208427.

llvm-svn: 208433
---
 .../PECOFF/LinkerGeneratedSymbolFile.h             | 61 ----------------------
 1 file changed, 61 deletions(-)

(limited to 'lld/lib/ReaderWriter/PECOFF/LinkerGeneratedSymbolFile.h')

diff --git a/lld/lib/ReaderWriter/PECOFF/LinkerGeneratedSymbolFile.h b/lld/lib/ReaderWriter/PECOFF/LinkerGeneratedSymbolFile.h
index e24d86dfa7e..5ff8bc647bd 100644
--- a/lld/lib/ReaderWriter/PECOFF/LinkerGeneratedSymbolFile.h
+++ b/lld/lib/ReaderWriter/PECOFF/LinkerGeneratedSymbolFile.h
@@ -13,9 +13,6 @@
 #include "lld/ReaderWriter/PECOFFLinkingContext.h"
 #include "lld/ReaderWriter/Simple.h"
 #include "llvm/Support/Allocator.h"
-#include "llvm/Support/Debug.h"
-
-#include <mutex>
 
 namespace lld {
 namespace pecoff {
@@ -89,18 +86,6 @@ private:
   atom_collection_vector<AbsoluteAtom> _absoluteAtoms;
 };
 
-class SymbolRenameFile : public SimpleFile {
-public:
-  SymbolRenameFile(StringRef from, StringRef to)
-      : SimpleFile("<symbol-rename>"), _to(*this, to), _from(*this, from, &_to) {
-    addAtom(_from);
-  };
-
-private:
-  COFFUndefinedAtom _to;
-  COFFUndefinedAtom _from;
-};
-
 } // anonymous namespace
 
 // A virtual file containing absolute symbol __ImageBase. __ImageBase (or
@@ -156,51 +141,5 @@ private:
   mutable llvm::BumpPtrAllocator _alloc;
 };
 
-class ExportedSymbolRenameFile : public VirtualArchiveLibraryFile {
-public:
-  ExportedSymbolRenameFile(const PECOFFLinkingContext &ctx)
-      : VirtualArchiveLibraryFile("<export>") {
-    for (const PECOFFLinkingContext::ExportDesc &desc : ctx.getDllExports())
-      _exportedSyms.insert(desc.name);
-  }
-
-  void addResolvableSymbols(ArchiveLibraryFile *archive) {
-    std::lock_guard<std::mutex> lock(_mutex);
-    if (_seen.count(archive) > 0)
-      return;
-    _seen.insert(archive);
-    for (const std::string &sym : archive->getDefinedSymbols())
-      _resolvableSyms.insert(sym);
-  }
-
-  const File *find(StringRef sym, bool dataSymbolOnly) const override {
-    if (_exportedSyms.count(sym) == 0)
-      return nullptr;
-    std::string expsym = sym;
-    expsym.append("@");
-    auto it = _resolvableSyms.lower_bound(expsym);
-    for (auto e = _resolvableSyms.end(); it != e; ++it) {
-      if (!StringRef(*it).startswith(expsym))
-        return nullptr;
-      if (it->size() == expsym.size())
-        continue;
-      StringRef suffix = it->substr(expsym.size());
-      bool digitSuffix =
-          suffix.find_first_not_of("0123456789") == StringRef::npos;
-      if (digitSuffix) {
-        return new (_alloc) SymbolRenameFile(sym, *it);
-      }
-    }
-    return nullptr;
-  }
-
-private:
-  std::set<std::string> _exportedSyms;
-  std::set<std::string> _resolvableSyms;
-  std::set<ArchiveLibraryFile *> _seen;
-  mutable std::mutex _mutex;
-  mutable llvm::BumpPtrAllocator _alloc;
-};
-
 } // end namespace pecoff
 } // end namespace lld
-- 
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