X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FObject%2FMachO.h;h=e02ce3b2141680ec1f835b008d457bd38ad9202d;hb=ada56848f5ff516cb5754215b265cd0ef78092b7;hp=2bfde85c21a47ef3fec197389e9b4b9b854ecca6;hpb=00faba70ccc9b411b8e8d5405d009e31d811cacf;p=oota-llvm.git

diff --git a/include/llvm/Object/MachO.h b/include/llvm/Object/MachO.h
index 2bfde85c21a..e02ce3b2141 100644
--- a/include/llvm/Object/MachO.h
+++ b/include/llvm/Object/MachO.h
@@ -100,7 +100,7 @@ private:
 };
 typedef content_iterator<ExportEntry> export_iterator;
 
-/// MachORebaseEntry encapsulates the current state in the decompression of   
+/// MachORebaseEntry encapsulates the current state in the decompression of
 /// rebasing opcodes. This allows you to iterate through the compressed table of
 /// rebasing using:
 ///    for (const llvm::object::MachORebaseEntry &Entry : Obj->rebaseTable()) {
@@ -116,7 +116,7 @@ public:
   bool operator==(const MachORebaseEntry &) const;
 
   void moveNext();
-  
+
 private:
   friend class MachOObjectFile;
   void moveToFirst();
@@ -197,22 +197,22 @@ public:
                   std::error_code &EC);
 
   void moveSymbolNext(DataRefImpl &Symb) const override;
-  std::error_code getSymbolName(DataRefImpl Symb,
-                                StringRef &Res) const override;
+
+  uint64_t getNValue(DataRefImpl Sym) const;
+  ErrorOr<StringRef> getSymbolName(DataRefImpl Symb) const override;
 
   // MachO specific.
   std::error_code getIndirectName(DataRefImpl Symb, StringRef &Res) const;
   unsigned getSectionType(SectionRef Sec) const;
 
-  std::error_code getSymbolAddress(DataRefImpl Symb,
-                                   uint64_t &Res) const override;
+  ErrorOr<uint64_t> getSymbolAddress(DataRefImpl Symb) const override;
   uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
-  uint64_t getSymbolSize(DataRefImpl Symb) const override;
-  std::error_code getSymbolType(DataRefImpl Symb,
-                                SymbolRef::Type &Res) const override;
+  uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const override;
+  SymbolRef::Type getSymbolType(DataRefImpl Symb) const override;
   uint32_t getSymbolFlags(DataRefImpl Symb) const override;
-  std::error_code getSymbolSection(DataRefImpl Symb,
-                                   section_iterator &Res) const override;
+  ErrorOr<section_iterator> getSymbolSection(DataRefImpl Symb) const override;
+  unsigned getSymbolSectionID(SymbolRef Symb) const;
+  unsigned getSectionID(SectionRef Sec) const;
 
   void moveSectionNext(DataRefImpl &Sec) const override;
   std::error_code getSectionName(DataRefImpl Sec,
@@ -226,29 +226,23 @@ public:
   bool isSectionData(DataRefImpl Sec) const override;
   bool isSectionBSS(DataRefImpl Sec) const override;
   bool isSectionVirtual(DataRefImpl Sec) const override;
-  bool sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb) const override;
   relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
   relocation_iterator section_rel_end(DataRefImpl Sec) const override;
 
   void moveRelocationNext(DataRefImpl &Rel) const override;
-  std::error_code getRelocationAddress(DataRefImpl Rel,
-                                       uint64_t &Res) const override;
-  std::error_code getRelocationOffset(DataRefImpl Rel,
-                                      uint64_t &Res) const override;
+  uint64_t getRelocationOffset(DataRefImpl Rel) const override;
   symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
-  section_iterator getRelocationSection(DataRefImpl Rel) const override;
-  std::error_code getRelocationType(DataRefImpl Rel,
-                                    uint64_t &Res) const override;
-  std::error_code
-  getRelocationTypeName(DataRefImpl Rel,
-                        SmallVectorImpl<char> &Result) const override;
-  std::error_code getRelocationHidden(DataRefImpl Rel,
-                                      bool &Result) const override;
+  section_iterator getRelocationSection(DataRefImpl Rel) const;
+  uint64_t getRelocationType(DataRefImpl Rel) const override;
+  void getRelocationTypeName(DataRefImpl Rel,
+                             SmallVectorImpl<char> &Result) const override;
   uint8_t getRelocationLength(DataRefImpl Rel) const;
 
   // MachO specific.
   std::error_code getLibraryShortNameByIndex(unsigned Index, StringRef &) const;
 
+  section_iterator getRelocationRelocatedSection(relocation_iterator Rel) const;
+
   // TODO: Would be useful to have an iterator based version
   // of the load command interface too.
 
@@ -428,8 +422,31 @@ public:
     return v->isMachO();
   }
 
+  static uint32_t
+  getVersionMinMajor(MachO::version_min_command &C, bool SDK) {
+    uint32_t VersionOrSDK = (SDK) ? C.sdk : C.version;
+    return (VersionOrSDK >> 16) & 0xffff;
+  }
+
+  static uint32_t
+  getVersionMinMinor(MachO::version_min_command &C, bool SDK) {
+    uint32_t VersionOrSDK = (SDK) ? C.sdk : C.version;
+    return (VersionOrSDK >> 8) & 0xff;
+  }
+
+  static uint32_t
+  getVersionMinUpdate(MachO::version_min_command &C, bool SDK) {
+    uint32_t VersionOrSDK = (SDK) ? C.sdk : C.version;
+    return VersionOrSDK & 0xff;
+  }
+
 private:
-  MachO::mach_header_64 Header64;
+  uint64_t getSymbolValueImpl(DataRefImpl Symb) const override;
+
+  union {
+    MachO::mach_header_64 Header64;
+    MachO::mach_header Header;
+  };
   typedef SmallVector<const char*, 1> SectionList;
   SectionList Sections;
   typedef SmallVector<const char*, 1> LibraryList;
@@ -473,7 +490,7 @@ inline std::error_code DiceRef::getOffset(uint32_t &Result) const {
     static_cast<const MachOObjectFile *>(OwningObject);
   MachO::data_in_code_entry Dice = MachOOF->getDice(DicePimpl);
   Result = Dice.offset;
-  return object_error::success;
+  return std::error_code();
 }
 
 inline std::error_code DiceRef::getLength(uint16_t &Result) const {
@@ -481,7 +498,7 @@ inline std::error_code DiceRef::getLength(uint16_t &Result) const {
     static_cast<const MachOObjectFile *>(OwningObject);
   MachO::data_in_code_entry Dice = MachOOF->getDice(DicePimpl);
   Result = Dice.length;
-  return object_error::success;
+  return std::error_code();
 }
 
 inline std::error_code DiceRef::getKind(uint16_t &Result) const {
@@ -489,7 +506,7 @@ inline std::error_code DiceRef::getKind(uint16_t &Result) const {
     static_cast<const MachOObjectFile *>(OwningObject);
   MachO::data_in_code_entry Dice = MachOOF->getDice(DicePimpl);
   Result = Dice.kind;
-  return object_error::success;
+  return std::error_code();
 }
 
 inline DataRefImpl DiceRef::getRawDataRefImpl() const {
@@ -504,4 +521,3 @@ inline const ObjectFile *DiceRef::getObjectFile() const {
 }
 
 #endif
-