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-rw-r--r--include/llvm/Object/ELFObjectFile.h58
1 files changed, 11 insertions, 47 deletions
diff --git a/include/llvm/Object/ELFObjectFile.h b/include/llvm/Object/ELFObjectFile.h
index 5b9b113..6e8ace4 100644
--- a/include/llvm/Object/ELFObjectFile.h
+++ b/include/llvm/Object/ELFObjectFile.h
@@ -196,9 +196,8 @@ protected:
void moveSymbolNext(DataRefImpl &Symb) const override;
ErrorOr<StringRef> getSymbolName(DataRefImpl Symb) const override;
- std::error_code getSymbolAddress(DataRefImpl Symb,
- uint64_t &Res) const override;
- uint64_t getSymbolValue(DataRefImpl Symb) const override;
+ ErrorOr<uint64_t> getSymbolAddress(DataRefImpl Symb) const override;
+ uint64_t getSymbolValueImpl(DataRefImpl Symb) const override;
uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const override;
uint32_t getSymbolFlags(DataRefImpl Symb) const override;
@@ -226,7 +225,6 @@ protected:
section_iterator getRelocatedSection(DataRefImpl Sec) const override;
void moveRelocationNext(DataRefImpl &Rel) const override;
- ErrorOr<uint64_t> getRelocationAddress(DataRefImpl Rel) const override;
uint64_t getRelocationOffset(DataRefImpl Rel) const override;
symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
uint64_t getRelocationType(DataRefImpl Rel) const override;
@@ -235,7 +233,6 @@ protected:
uint32_t getSectionType(DataRefImpl Sec) const override;
uint64_t getSectionFlags(DataRefImpl Sec) const override;
- uint64_t getROffset(DataRefImpl Rel) const;
StringRef getRelocationTypeName(uint32_t Type) const;
/// \brief Get the relocation section that contains \a Rel.
@@ -276,11 +273,6 @@ protected:
return DRI;
}
- Elf_Dyn_Iter toELFDynIter(DataRefImpl Dyn) const {
- return Elf_Dyn_Iter(EF.begin_dynamic_table().getEntSize(),
- reinterpret_cast<const char *>(Dyn.p));
- }
-
DataRefImpl toDRI(Elf_Dyn_Iter Dyn) const {
DataRefImpl DRI;
DRI.p = reinterpret_cast<uintptr_t>(Dyn.get());
@@ -378,19 +370,13 @@ uint32_t ELFObjectFile<ELFT>::getSectionType(DataRefImpl Sec) const {
}
template <class ELFT>
-uint64_t ELFObjectFile<ELFT>::getSymbolValue(DataRefImpl Symb) const {
+uint64_t ELFObjectFile<ELFT>::getSymbolValueImpl(DataRefImpl Symb) const {
const Elf_Sym *ESym = getSymbol(Symb);
- switch (ESym->st_shndx) {
- case ELF::SHN_COMMON:
- case ELF::SHN_UNDEF:
- return UnknownAddress;
- case ELF::SHN_ABS:
- return ESym->st_value;
- }
-
- const Elf_Ehdr *Header = EF.getHeader();
uint64_t Ret = ESym->st_value;
+ if (ESym->st_shndx == ELF::SHN_ABS)
+ return Ret;
+ const Elf_Ehdr *Header = EF.getHeader();
// 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)
@@ -400,15 +386,15 @@ uint64_t ELFObjectFile<ELFT>::getSymbolValue(DataRefImpl Symb) const {
}
template <class ELFT>
-std::error_code ELFObjectFile<ELFT>::getSymbolAddress(DataRefImpl Symb,
- uint64_t &Result) const {
- Result = getSymbolValue(Symb);
+ErrorOr<uint64_t>
+ELFObjectFile<ELFT>::getSymbolAddress(DataRefImpl Symb) const {
+ uint64_t Result = getSymbolValue(Symb);
const Elf_Sym *ESym = getSymbol(Symb);
switch (ESym->st_shndx) {
case ELF::SHN_COMMON:
case ELF::SHN_UNDEF:
case ELF::SHN_ABS:
- return std::error_code();
+ return Result;
}
const Elf_Ehdr *Header = EF.getHeader();
@@ -422,7 +408,7 @@ std::error_code ELFObjectFile<ELFT>::getSymbolAddress(DataRefImpl Symb,
Result += Section->sh_addr;
}
- return std::error_code();
+ return Result;
}
template <class ELFT>
@@ -689,31 +675,9 @@ ELFObjectFile<ELFT>::getRelocationSymbol(DataRefImpl Rel) const {
}
template <class ELFT>
-ErrorOr<uint64_t>
-ELFObjectFile<ELFT>::getRelocationAddress(DataRefImpl Rel) const {
- uint64_t ROffset = getROffset(Rel);
- const Elf_Ehdr *Header = EF.getHeader();
-
- if (Header->e_type == ELF::ET_REL) {
- const Elf_Shdr *RelocationSec = getRelSection(Rel);
- ErrorOr<const Elf_Shdr *> RelocatedSec =
- EF.getSection(RelocationSec->sh_info);
- if (std::error_code EC = RelocatedSec.getError())
- return EC;
- return ROffset + (*RelocatedSec)->sh_addr;
- }
- return ROffset;
-}
-
-template <class ELFT>
uint64_t ELFObjectFile<ELFT>::getRelocationOffset(DataRefImpl Rel) const {
assert(EF.getHeader()->e_type == ELF::ET_REL &&
"Only relocatable object files have relocation offsets");
- return getROffset(Rel);
-}
-
-template <class ELFT>
-uint64_t ELFObjectFile<ELFT>::getROffset(DataRefImpl Rel) const {
const Elf_Shdr *sec = getRelSection(Rel);
if (sec->sh_type == ELF::SHT_REL)
return getRel(Rel)->r_offset;
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