[Object][ELF] Add program header iterator.
[oota-llvm.git] / include / llvm / Object / COFF.h
index 6a5e0d972356f2c282f3d6973f62eb99912411a8..6f42d76ee996004fe8708c6b1fcf6372140c1db9 100644 (file)
@@ -19,6 +19,9 @@
 #include "llvm/Support/Endian.h"
 
 namespace llvm {
+  template <typename T>
+  class ArrayRef;
+
 namespace object {
 
 struct coff_file_header {
@@ -45,13 +48,18 @@ struct coff_symbol {
   support::ulittle32_t Value;
   support::little16_t SectionNumber;
 
-  struct {
-    support::ulittle8_t BaseType;
-    support::ulittle8_t ComplexType;
-  } Type;
+  support::ulittle16_t Type;
 
   support::ulittle8_t  StorageClass;
   support::ulittle8_t  NumberOfAuxSymbols;
+
+  uint8_t getBaseType() const {
+    return Type & 0x0F;
+  }
+
+  uint8_t getComplexType() const {
+    return (Type & 0xF0) >> 4;
+  }
 };
 
 struct coff_section {
@@ -67,6 +75,22 @@ struct coff_section {
   support::ulittle32_t Characteristics;
 };
 
+struct coff_relocation {
+  support::ulittle32_t VirtualAddress;
+  support::ulittle32_t SymbolTableIndex;
+  support::ulittle16_t Type;
+};
+
+struct coff_aux_section_definition {
+  support::ulittle32_t Length;
+  support::ulittle16_t NumberOfRelocations;
+  support::ulittle16_t NumberOfLinenumbers;
+  support::ulittle32_t CheckSum;
+  support::ulittle16_t Number;
+  support::ulittle8_t Selection;
+  char Unused[3];
+};
+
 class COFFObjectFile : public ObjectFile {
 private:
   const coff_file_header *Header;
@@ -75,38 +99,106 @@ private:
   const char             *StringTable;
         uint32_t          StringTableSize;
 
-        error_code        getSection(int32_t index,
-                                     const coff_section *&Res) const;
         error_code        getString(uint32_t offset, StringRef &Res) const;
 
   const coff_symbol      *toSymb(DataRefImpl Symb) const;
   const coff_section     *toSec(DataRefImpl Sec) const;
+  const coff_relocation  *toRel(DataRefImpl Rel) const;
 
 protected:
   virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
   virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
+  virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const;
   virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const;
   virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const;
   virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const;
-  virtual error_code isSymbolInternal(DataRefImpl Symb, bool &Res) const;
+  virtual error_code getSymbolFlags(DataRefImpl Symb, uint32_t &Res) const;
+  virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const;
+  virtual error_code getSymbolSection(DataRefImpl Symb,
+                                      section_iterator &Res) const;
+  virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const;
 
   virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const;
   virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const;
   virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const;
   virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
   virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
+  virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const;
   virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
+  virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
+  virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
+  virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const;
+  virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const;
+  virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const;
+  virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
+                                                   bool &Res) const;
+  virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
+                                           bool &Result) const;
+  virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const;
+  virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const;
+
+  virtual error_code getRelocationNext(DataRefImpl Rel,
+                                       RelocationRef &Res) const;
+  virtual error_code getRelocationAddress(DataRefImpl Rel,
+                                          uint64_t &Res) const;
+  virtual error_code getRelocationOffset(DataRefImpl Rel,
+                                         uint64_t &Res) const;
+  virtual error_code getRelocationSymbol(DataRefImpl Rel,
+                                         SymbolRef &Res) const;
+  virtual error_code getRelocationType(DataRefImpl Rel,
+                                       uint64_t &Res) const;
+  virtual error_code getRelocationTypeName(DataRefImpl Rel,
+                                           SmallVectorImpl<char> &Result) const;
+  virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
+                                                 int64_t &Res) const;
+  virtual error_code getRelocationValueString(DataRefImpl Rel,
+                                           SmallVectorImpl<char> &Result) const;
+
+  virtual error_code getLibraryNext(DataRefImpl LibData,
+                                    LibraryRef &Result) const;
+  virtual error_code getLibraryPath(DataRefImpl LibData,
+                                    StringRef &Result) const;
 
 public:
   COFFObjectFile(MemoryBuffer *Object, error_code &ec);
   virtual symbol_iterator begin_symbols() const;
   virtual symbol_iterator end_symbols() const;
+  virtual symbol_iterator begin_dynamic_symbols() const;
+  virtual symbol_iterator end_dynamic_symbols() const;
+  virtual library_iterator begin_libraries_needed() const;
+  virtual library_iterator end_libraries_needed() const;
   virtual section_iterator begin_sections() const;
   virtual section_iterator end_sections() const;
 
+  const coff_section *getCOFFSection(section_iterator &It) const;
+  const coff_symbol *getCOFFSymbol(symbol_iterator &It) const;
+  const coff_relocation *getCOFFRelocation(relocation_iterator &It) const;
+  
   virtual uint8_t getBytesInAddress() const;
   virtual StringRef getFileFormatName() const;
   virtual unsigned getArch() const;
+  virtual StringRef getLoadName() const;
+
+  error_code getHeader(const coff_file_header *&Res) const;
+  error_code getSection(int32_t index, const coff_section *&Res) const;
+  error_code getSymbol(uint32_t index, const coff_symbol *&Res) const;
+  template <typename T>
+  error_code getAuxSymbol(uint32_t index, const T *&Res) const {
+    const coff_symbol *s;
+    error_code ec = getSymbol(index, s);
+    Res = reinterpret_cast<const T*>(s);
+    return ec;
+  }
+  error_code getSymbolName(const coff_symbol *symbol, StringRef &Res) const;
+  ArrayRef<uint8_t> getSymbolAuxData(const coff_symbol *symbol) const;
+
+  error_code getSectionName(const coff_section *Sec, StringRef &Res) const;
+  error_code getSectionContents(const coff_section *Sec,
+                                ArrayRef<uint8_t> &Res) const;
+
+  static inline bool classof(const Binary *v) {
+    return v->isCOFF();
+  }
 };
 
 }