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Add new interfaces to support ldd's ReaderElf.cpp.

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Patch by Sid Manning!

llvm-svn: 160685
This commit is contained in:
Anshuman Dasgupta 2012-07-24 19:48:24 +00:00
parent aa177bbdbc
commit 3c9459e229
1 changed files with 42 additions and 3 deletions
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45
include/llvm/Object/ELF.h
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@ -505,9 +505,6 @@ private:
const Elf_Rela *getRela(DataRefImpl Rela) const;
const char *getString(uint32_t section, uint32_t offset) const;
const char *getString(const Elf_Shdr *section, uint32_t offset) const;
error_code getSymbolName(const Elf_Shdr *section,
const Elf_Sym *Symb,
StringRef &Res) const;
error_code getSymbolVersion(const Elf_Shdr *section,
const Elf_Sym *Symb,
StringRef &Version,
@ -519,6 +516,11 @@ protected:
void validateSymbol(DataRefImpl Symb) const;
public:
error_code getSymbolName(const Elf_Shdr *section,
const Elf_Sym *Symb,
StringRef &Res) const;
error_code getSectionName(const Elf_Shdr *section,
StringRef &Res) const;
const Elf_Dyn *getDyn(DataRefImpl DynData) const;
error_code getSymbolVersion(SymbolRef Symb, StringRef &Version,
bool &IsDefault) const;
@ -597,11 +599,15 @@ public:
virtual StringRef getObjectType() const { return "ELF"; }
virtual unsigned getArch() const;
virtual StringRef getLoadName() const;
virtual error_code getSectionContents(const Elf_Shdr *sec,
StringRef &Res) const;
uint64_t getNumSections() const;
uint64_t getStringTableIndex() const;
ELF::Elf64_Word getSymbolTableIndex(const Elf_Sym *symb) const;
const Elf_Shdr *getSection(const Elf_Sym *symb) const;
const Elf_Shdr *getElfSection(section_iterator &It) const;
const Elf_Sym *getElfSymbol(symbol_iterator &It) const;
// Methods for type inquiry through isa, cast, and dyn_cast
bool isDyldType() const { return isDyldELFObject; }
@ -782,6 +788,22 @@ ELFObjectFile<target_endianness, is64Bits>
return getSection(symb->st_shndx);
}
template<support::endianness target_endianness, bool is64Bits>
const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr *
ELFObjectFile<target_endianness, is64Bits>
::getElfSection(section_iterator &It) const {
llvm::object::DataRefImpl ShdrRef = It->getRawDataRefImpl();
return const_cast<Elf_Shdr*>(reinterpret_cast<const Elf_Shdr *>
(ShdrRef.p));
}
template<support::endianness target_endianness, bool is64Bits>
const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Sym *
ELFObjectFile<target_endianness, is64Bits>
::getElfSymbol(symbol_iterator &It) const {
return getSymbol(It->getRawDataRefImpl());
}
template<support::endianness target_endianness, bool is64Bits>
error_code ELFObjectFile<target_endianness, is64Bits>
::getSymbolFileOffset(DataRefImpl Symb,
@ -1058,6 +1080,15 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
template<support::endianness target_endianness, bool is64Bits>
error_code ELFObjectFile<target_endianness, is64Bits>
::getSectionContents(const Elf_Shdr *Sec,
StringRef &Result) const {
const char *start = (const char*)base() + Sec->sh_offset;
Result = StringRef(start, Sec->sh_size);
return object_error::success;
}
template<support::endianness target_endianness, bool is64Bits>
error_code ELFObjectFile<target_endianness, is64Bits>
::getSectionAlignment(DataRefImpl Sec,
@ -2151,6 +2182,14 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
template<support::endianness target_endianness, bool is64Bits>
error_code ELFObjectFile<target_endianness, is64Bits>
::getSectionName(const Elf_Shdr *section,
StringRef &Result) const {
Result = StringRef(getString(dot_shstrtab_sec, section->sh_name));
return object_error::success;
}
template<support::endianness target_endianness, bool is64Bits>
error_code ELFObjectFile<target_endianness, is64Bits>
::getSymbolVersion(const Elf_Shdr *section,