Simplify another function that doesn't fail.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238703 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Object/COFF.h

@@ -613,7 +613,7 @@ protected:
                                 StringRef &Res) const override;
   std::error_code getSymbolAddress(DataRefImpl Symb,
                                    uint64_t &Res) const override;
-  std::error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const override;
+  uint64_t getSymbolSize(DataRefImpl Symb) const override;
   uint32_t getSymbolFlags(DataRefImpl Symb) const override;
   std::error_code getSymbolType(DataRefImpl Symb,
                                 SymbolRef::Type &Res) const override;

include/llvm/Object/ELFObjectFile.h

@@ -80,7 +80,7 @@ protected:
   std::error_code getSymbolAddress(DataRefImpl Symb,
                                    uint64_t &Res) const override;
   uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
-  std::error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const override;
+  uint64_t getSymbolSize(DataRefImpl Symb) const override;
   uint32_t getSymbolFlags(DataRefImpl Symb) const override;
   std::error_code getSymbolOther(DataRefImpl Symb, uint8_t &Res) const override;
   std::error_code getSymbolType(DataRefImpl Symb,
@@ -333,10 +333,8 @@ uint32_t ELFObjectFile<ELFT>::getSymbolAlignment(DataRefImpl Symb) const {
 }
 
 template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::getSymbolSize(DataRefImpl Symb,
-                                                   uint64_t &Result) const {
-  Result = toELFSymIter(Symb)->st_size;
-  return object_error::success;
+uint64_t ELFObjectFile<ELFT>::getSymbolSize(DataRefImpl Symb) const {
+  return toELFSymIter(Symb)->st_size;
 }
 
 template <class ELFT>

include/llvm/Object/MachO.h

@@ -205,7 +205,7 @@ public:
   std::error_code getSymbolAddress(DataRefImpl Symb,
                                    uint64_t &Res) const override;
   uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
-  std::error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const override;
+  uint64_t getSymbolSize(DataRefImpl Symb) const override;
   std::error_code getSymbolType(DataRefImpl Symb,
                                 SymbolRef::Type &Res) const override;
   uint32_t getSymbolFlags(DataRefImpl Symb) const override;

include/llvm/Object/ObjectFile.h

@@ -147,7 +147,7 @@ public:
   std::error_code getAddress(uint64_t &Result) const;
   /// @brief Get the alignment of this symbol as the actual value (not log 2).
   uint32_t getAlignment() const;
-  std::error_code getSize(uint64_t &Result) const;
+  uint64_t getSize() const;
   std::error_code getType(SymbolRef::Type &Result) const;
   std::error_code getOther(uint8_t &Result) const;
 
@@ -207,8 +207,7 @@ protected:
   virtual std::error_code getSymbolAddress(DataRefImpl Symb,
                                            uint64_t &Res) const = 0;
   virtual uint32_t getSymbolAlignment(DataRefImpl Symb) const;
-  virtual std::error_code getSymbolSize(DataRefImpl Symb,
-                                        uint64_t &Res) const = 0;
+  virtual uint64_t getSymbolSize(DataRefImpl Symb) const = 0;
   virtual std::error_code getSymbolType(DataRefImpl Symb,
                                         SymbolRef::Type &Res) const = 0;
   virtual std::error_code getSymbolSection(DataRefImpl Symb,
@@ -337,8 +336,8 @@ inline uint32_t SymbolRef::getAlignment() const {
   return getObject()->getSymbolAlignment(getRawDataRefImpl());
 }
 
-inline std::error_code SymbolRef::getSize(uint64_t &Result) const {
-  return getObject()->getSymbolSize(getRawDataRefImpl(), Result);
+inline uint64_t SymbolRef::getSize() const {
+  return getObject()->getSymbolSize(getRawDataRefImpl());
 }
 
 inline std::error_code SymbolRef::getSection(section_iterator &Result) const {

lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp

@@ -387,8 +387,7 @@ void RuntimeDyldImpl::computeTotalAllocSize(const ObjectFile &Obj,
     uint32_t Flags = I->getFlags();
     if (Flags & SymbolRef::SF_Common) {
       // Add the common symbols to a list.  We'll allocate them all below.
-      uint64_t Size = 0;
-      Check(I->getSize(Size));
+      uint64_t Size = I->getSize();
       CommonSize += Size;
     }
   }
@@ -495,8 +494,7 @@ void RuntimeDyldImpl::emitCommonSymbols(const ObjectFile &Obj,
     }
 
     uint32_t Align = Sym.getAlignment();
-    uint64_t Size = 0;
-    Check(Sym.getSize(Size));
+    uint64_t Size = Sym.getSize();
 
     CommonSize += Align + Size;
     SymbolsToAllocate.push_back(Sym);
@@ -518,9 +516,8 @@ void RuntimeDyldImpl::emitCommonSymbols(const ObjectFile &Obj,
   // Assign the address of each symbol
   for (auto &Sym : SymbolsToAllocate) {
     uint32_t Align = Sym.getAlignment();
-    uint64_t Size;
     StringRef Name;
-    Check(Sym.getSize(Size));
+    uint64_t Size = Sym.getSize();
     Check(Sym.getName(Name));
     if (Align) {
       // This symbol has an alignment requirement.

lib/Object/COFFObjectFile.cpp

@@ -236,16 +236,12 @@ uint32_t COFFObjectFile::getSymbolFlags(DataRefImpl Ref) const {
   return Result;
 }
 
-std::error_code COFFObjectFile::getSymbolSize(DataRefImpl Ref,
-                                              uint64_t &Result) const {
+uint64_t COFFObjectFile::getSymbolSize(DataRefImpl Ref) const {
   COFFSymbolRef Symb = getCOFFSymbol(Ref);
 
   if (Symb.isCommon())
-    Result = Symb.getValue();
-  else
-    Result = UnknownAddressOrSize;
-
-  return object_error::success;
+    return Symb.getValue();
+  return UnknownAddressOrSize;
 }
 
 std::error_code

lib/Object/MachOObjectFile.cpp

@@ -410,16 +410,13 @@ uint32_t MachOObjectFile::getSymbolAlignment(DataRefImpl DRI) const {
   return 0;
 }
 
-std::error_code MachOObjectFile::getSymbolSize(DataRefImpl DRI,
-                                               uint64_t &Result) const {
+uint64_t MachOObjectFile::getSymbolSize(DataRefImpl DRI) const {
   uint64_t Value;
   getSymbolAddress(DRI, Value);
   uint32_t flags = getSymbolFlags(DRI);
   if (flags & SymbolRef::SF_Common)
-    Result = Value;
-  else
-    Result = UnknownAddressOrSize;
-  return object_error::success;
+    return Value;
+  return UnknownAddressOrSize;
 }
 
 std::error_code MachOObjectFile::getSymbolType(DataRefImpl Symb,

lib/Object/Object.cpp

@@ -187,10 +187,7 @@ uint64_t LLVMGetSymbolAddress(LLVMSymbolIteratorRef SI) {
 }
 
 uint64_t LLVMGetSymbolSize(LLVMSymbolIteratorRef SI) {
-  uint64_t ret;
-  if (std::error_code ec = (*unwrap(SI))->getSize(ret))
-    report_fatal_error(ec.message());
-  return ret;
+  return (*unwrap(SI))->getSize();
 }
 
 // RelocationRef accessors

lib/Target/X86/MCTargetDesc/X86ELFRelocationInfo.cpp

@@ -31,7 +31,7 @@ public:
 
     StringRef SymName; SymI->getName(SymName);
     uint64_t  SymAddr; SymI->getAddress(SymAddr);
-    uint64_t  SymSize; SymI->getSize(SymSize);
+    uint64_t SymSize = SymI->getSize();
     int64_t  Addend;  getELFRelocationAddend(Rel, Addend);
 
     MCSymbol *Sym = Ctx.getOrCreateSymbol(SymName);

tools/llvm-cxxdump/llvm-cxxdump.cpp

@@ -204,9 +204,10 @@ static void dumpCXXData(const ObjectFile *Obj) {
     StringRef SecContents;
     if (error(Sec.getContents(SecContents)))
       return;
-    uint64_t SymAddress, SymSize;
-    if (error(Sym.getAddress(SymAddress)) || error(Sym.getSize(SymSize)))
+    uint64_t SymAddress;
+    if (error(Sym.getAddress(SymAddress)))
       return;
+    uint64_t SymSize = Sym.getSize();
     uint64_t SecAddress = Sec.getAddress();
     uint64_t SecSize = Sec.getSize();
     uint64_t SymOffset = SymAddress - SecAddress;

tools/llvm-nm/llvm-nm.cpp

@@ -934,8 +934,7 @@ static void dumpSymbolNamesFromObject(SymbolicFile &Obj, bool printName,
     S.Address = UnknownAddressOrSize;
     if (PrintSize && isa<ELFObjectFileBase>(Obj)) {
       symbol_iterator SymI = I;
-      if (error(SymI->getSize(S.Size)))
-        break;
+      S.Size = SymI->getSize();
     }
     if (PrintAddress && isa<ObjectFile>(Obj))
       if (error(symbol_iterator(I)->getAddress(S.Address)))

tools/llvm-objdump/llvm-objdump.cpp

@@ -676,7 +676,6 @@ void llvm::PrintSymbolTable(const ObjectFile *o) {
     StringRef Name;
     uint64_t Address;
     SymbolRef::Type Type;
-    uint64_t Size;
     uint32_t Flags = Symbol.getFlags();
     section_iterator Section = o->section_end();
     if (error(Symbol.getName(Name)))
@@ -685,8 +684,7 @@ void llvm::PrintSymbolTable(const ObjectFile *o) {
       continue;
     if (error(Symbol.getType(Type)))
       continue;
-    if (error(Symbol.getSize(Size)))
-      continue;
+    uint64_t Size = Symbol.getSize();
     if (error(Symbol.getSection(Section)))
       continue;
 

tools/llvm-rtdyld/llvm-rtdyld.cpp

@@ -292,8 +292,7 @@ static int printLineInfoForInput(bool LoadObjects, bool UseDebugObj) {
 
         uint64_t Size;
         if (isa<ELFObjectFileBase>(SymbolObj)) {
-          if (Sym.getSize(Size))
-            continue;
+          Size = Sym.getSize();
         } else {
           object::section_iterator Sec = SymbolObj->section_end();
           if (Sym.getSection(Sec))

tools/llvm-symbolizer/LLVMSymbolize.cpp

@@ -113,9 +113,11 @@ void ModuleInfo::addSymbol(const SymbolRef &Symbol, DataExtractor *OpdExtractor,
   // occupies the memory range up to the following symbol.
   if (isa<MachOObjectFile>(Module))
     SymbolSize = 0;
-  else if (error(Symbol.getSize(SymbolSize)) ||
-           SymbolSize == UnknownAddressOrSize)
-    return;
+  else {
+    SymbolSize = Symbol.getSize();
+    if (SymbolSize == UnknownAddressOrSize)
+      return;
+  }
   StringRef SymbolName;
   if (error(Symbol.getName(SymbolName)))
     return;