X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=include%2Fllvm%2FObject%2FELFObjectFile.h;h=c2d6438f45ba5af45cb1428ecef97c8c0113bc0b;hp=35801c47adcbf6e96930d97238a8d5ba77540e1e;hb=c0e334099ca404d254d8a80600795496501862ff;hpb=a0d6422afed5728e84168f42ce3bb01592f886c5

diff --git a/include/llvm/Object/ELFObjectFile.h b/include/llvm/Object/ELFObjectFile.h
index 35801c47adc..c2d6438f45b 100644
--- a/include/llvm/Object/ELFObjectFile.h
+++ b/include/llvm/Object/ELFObjectFile.h
@@ -47,6 +47,11 @@ public:
 
   virtual std::error_code getSymbolVersion(SymbolRef Symb, StringRef &Version,
                                            bool &IsDefault) const = 0;
+
+  virtual uint64_t getSectionFlags(SectionRef Sec) const = 0;
+  virtual uint32_t getSectionType(SectionRef Sec) const = 0;
+
+  static inline bool classof(const Binary *v) { return v->isELF(); }
 };
 
 template <class ELFT> class ELFObjectFile : public ELFObjectFileBase {
@@ -87,24 +92,16 @@ protected:
   void moveSectionNext(DataRefImpl &Sec) const override;
   std::error_code getSectionName(DataRefImpl Sec,
                                  StringRef &Res) const override;
-  std::error_code getSectionAddress(DataRefImpl Sec,
-                                    uint64_t &Res) const override;
-  std::error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const override;
+  uint64_t getSectionAddress(DataRefImpl Sec) const override;
+  uint64_t getSectionSize(DataRefImpl Sec) const override;
   std::error_code getSectionContents(DataRefImpl Sec,
                                      StringRef &Res) const override;
-  std::error_code getSectionAlignment(DataRefImpl Sec,
-                                      uint64_t &Res) const override;
-  std::error_code isSectionText(DataRefImpl Sec, bool &Res) const override;
-  std::error_code isSectionData(DataRefImpl Sec, bool &Res) const override;
-  std::error_code isSectionBSS(DataRefImpl Sec, bool &Res) const override;
-  std::error_code isSectionRequiredForExecution(DataRefImpl Sec,
-                                                bool &Res) const override;
-  std::error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const override;
-  std::error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const override;
-  std::error_code isSectionReadOnlyData(DataRefImpl Sec,
-                                        bool &Res) const override;
-  std::error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
-                                        bool &Result) const override;
+  uint64_t getSectionAlignment(DataRefImpl Sec) const override;
+  bool isSectionText(DataRefImpl Sec) const override;
+  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;
   section_iterator getRelocatedSection(DataRefImpl Sec) const override;
@@ -204,6 +201,9 @@ public:
   std::error_code getSymbolVersion(SymbolRef Symb, StringRef &Version,
                                    bool &IsDefault) const override;
 
+  uint64_t getSectionFlags(SectionRef Sec) const override;
+  uint32_t getSectionType(SectionRef Sec) const override;
+
   uint8_t getBytesInAddress() const override;
   StringRef getFileFormatName() const override;
   unsigned getArch() const override;
@@ -264,6 +264,18 @@ std::error_code ELFObjectFile<ELFT>::getSymbolVersion(SymbolRef SymRef,
   return object_error::success;
 }
 
+template <class ELFT>
+uint64_t ELFObjectFile<ELFT>::getSectionFlags(SectionRef Sec) const {
+  DataRefImpl DRI = Sec.getRawDataRefImpl();
+  return toELFShdrIter(DRI)->sh_flags;
+}
+
+template <class ELFT>
+uint32_t ELFObjectFile<ELFT>::getSectionType(SectionRef Sec) const {
+  DataRefImpl DRI = Sec.getRawDataRefImpl();
+  return toELFShdrIter(DRI)->sh_type;
+}
+
 template <class ELFT>
 std::error_code ELFObjectFile<ELFT>::getSymbolAddress(DataRefImpl Symb,
                                                       uint64_t &Result) const {
@@ -283,8 +295,9 @@ std::error_code ELFObjectFile<ELFT>::getSymbolAddress(DataRefImpl Symb,
   const Elf_Ehdr *Header = EF.getHeader();
   Result = ESym->st_value;
 
-  // Clear the ARM/Thumb indicator flag.
-  if (Header->e_machine == ELF::EM_ARM && ESym->getType() == ELF::STT_FUNC)
+  // Clear the ARM/Thumb or microMIPS indicator flag.
+  if ((Header->e_machine == ELF::EM_ARM || Header->e_machine == ELF::EM_MIPS) &&
+      ESym->getType() == ELF::STT_FUNC)
     Result &= ~1;
 
   if (Header->e_type == ELF::ET_REL)
@@ -411,17 +424,13 @@ std::error_code ELFObjectFile<ELFT>::getSectionName(DataRefImpl Sec,
 }
 
 template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::getSectionAddress(DataRefImpl Sec,
-                                                       uint64_t &Result) const {
-  Result = toELFShdrIter(Sec)->sh_addr;
-  return object_error::success;
+uint64_t ELFObjectFile<ELFT>::getSectionAddress(DataRefImpl Sec) const {
+  return toELFShdrIter(Sec)->sh_addr;
 }
 
 template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::getSectionSize(DataRefImpl Sec,
-                                                    uint64_t &Result) const {
-  Result = toELFShdrIter(Sec)->sh_size;
-  return object_error::success;
+uint64_t ELFObjectFile<ELFT>::getSectionSize(DataRefImpl Sec) const {
+  return toELFShdrIter(Sec)->sh_size;
 }
 
 template <class ELFT>
@@ -434,79 +443,43 @@ ELFObjectFile<ELFT>::getSectionContents(DataRefImpl Sec,
 }
 
 template <class ELFT>
-std::error_code
-ELFObjectFile<ELFT>::getSectionAlignment(DataRefImpl Sec,
-                                         uint64_t &Result) const {
-  Result = toELFShdrIter(Sec)->sh_addralign;
-  return object_error::success;
+uint64_t ELFObjectFile<ELFT>::getSectionAlignment(DataRefImpl Sec) const {
+  return toELFShdrIter(Sec)->sh_addralign;
 }
 
 template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::isSectionText(DataRefImpl Sec,
-                                                   bool &Result) const {
-  Result = toELFShdrIter(Sec)->sh_flags & ELF::SHF_EXECINSTR;
-  return object_error::success;
+bool ELFObjectFile<ELFT>::isSectionText(DataRefImpl Sec) const {
+  return toELFShdrIter(Sec)->sh_flags & ELF::SHF_EXECINSTR;
 }
 
 template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::isSectionData(DataRefImpl Sec,
-                                                   bool &Result) const {
+bool ELFObjectFile<ELFT>::isSectionData(DataRefImpl Sec) const {
   Elf_Shdr_Iter EShdr = toELFShdrIter(Sec);
-  Result = EShdr->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE) &&
-           EShdr->sh_type == ELF::SHT_PROGBITS;
-  return object_error::success;
+  return EShdr->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE) &&
+         EShdr->sh_type == ELF::SHT_PROGBITS;
 }
 
 template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::isSectionBSS(DataRefImpl Sec,
-                                                  bool &Result) const {
+bool ELFObjectFile<ELFT>::isSectionBSS(DataRefImpl Sec) const {
   Elf_Shdr_Iter EShdr = toELFShdrIter(Sec);
-  Result = EShdr->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE) &&
-           EShdr->sh_type == ELF::SHT_NOBITS;
-  return object_error::success;
-}
-
-template <class ELFT>
-std::error_code
-ELFObjectFile<ELFT>::isSectionRequiredForExecution(DataRefImpl Sec,
-                                                   bool &Result) const {
-  Result = toELFShdrIter(Sec)->sh_flags & ELF::SHF_ALLOC;
-  return object_error::success;
-}
-
-template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::isSectionVirtual(DataRefImpl Sec,
-                                                      bool &Result) const {
-  Result = toELFShdrIter(Sec)->sh_type == ELF::SHT_NOBITS;
-  return object_error::success;
+  return EShdr->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE) &&
+         EShdr->sh_type == ELF::SHT_NOBITS;
 }
 
 template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::isSectionZeroInit(DataRefImpl Sec,
-                                                       bool &Result) const {
-  Result = toELFShdrIter(Sec)->sh_type == ELF::SHT_NOBITS;
-  return object_error::success;
+bool ELFObjectFile<ELFT>::isSectionVirtual(DataRefImpl Sec) const {
+  return toELFShdrIter(Sec)->sh_type == ELF::SHT_NOBITS;
 }
 
 template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::isSectionReadOnlyData(DataRefImpl Sec,
-                                                           bool &Result) const {
-  Elf_Shdr_Iter EShdr = toELFShdrIter(Sec);
-  Result = !(EShdr->sh_flags & (ELF::SHF_WRITE | ELF::SHF_EXECINSTR));
-  return object_error::success;
-}
-
-template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::sectionContainsSymbol(DataRefImpl Sec,
-                                                           DataRefImpl Symb,
-                                                           bool &Result) const {
+bool ELFObjectFile<ELFT>::sectionContainsSymbol(DataRefImpl Sec,
+                                                DataRefImpl Symb) const {
   Elf_Sym_Iter ESym = toELFSymIter(Symb);
 
   uintX_t Index = ESym->st_shndx;
   bool Reserved = Index >= ELF::SHN_LORESERVE && Index <= ELF::SHN_HIRESERVE;
 
-  Result = !Reserved && (&*toELFShdrIter(Sec) == EF.getSection(ESym->st_shndx));
-  return object_error::success;
+  return !Reserved && (&*toELFShdrIter(Sec) == EF.getSection(ESym->st_shndx));
 }
 
 template <class ELFT>
@@ -765,6 +738,7 @@ std::error_code ELFObjectFile<ELFT>::getRelocationValueString(
     Result.append(fmtbuf.begin(), fmtbuf.end());
     break;
   }
+  case ELF::EM_386:
   case ELF::EM_ARM:
   case ELF::EM_HEXAGON:
   case ELF::EM_MIPS:
@@ -925,6 +899,8 @@ unsigned ELFObjectFile<ELFT>::getArch() const {
     default:
       report_fatal_error("Invalid ELFCLASS!");
     }
+  case ELF::EM_PPC:
+    return Triple::ppc;
   case ELF::EM_PPC64:
     return IsLittleEndian ? Triple::ppc64le : Triple::ppc64;
   case ELF::EM_S390:
@@ -959,7 +935,7 @@ inline std::error_code getELFRelocationAddend(const RelocationRef R,
 }
 
 inline std::pair<symbol_iterator, symbol_iterator>
-getELFDynamicSymbolIterators(SymbolicFile *Obj) {
+getELFDynamicSymbolIterators(const SymbolicFile *Obj) {
   return cast<ELFObjectFileBase>(Obj)->getELFDynamicSymbolIterators();
 }