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Simplify interface of function that doesn't fail.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238700 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-05-31 23:52:50 +00:00
parent 23125c500f
commit 64afb8375d
7 changed files with 16 additions and 33 deletions
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12
include/llvm/Object/ELFObjectFile.h
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@ -79,8 +79,7 @@ protected:
StringRef &Res) const override;
std::error_code getSymbolAddress(DataRefImpl Symb,
uint64_t &Res) const override;
std::error_code getSymbolAlignment(DataRefImpl Symb,
uint32_t &Res) const override;
uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
std::error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const override;
uint32_t getSymbolFlags(DataRefImpl Symb) const override;
std::error_code getSymbolOther(DataRefImpl Symb, uint8_t &Res) const override;
@ -326,14 +325,11 @@ std::error_code ELFObjectFile<ELFT>::getSymbolAddress(DataRefImpl Symb,
}
template <class ELFT>
std::error_code ELFObjectFile<ELFT>::getSymbolAlignment(DataRefImpl Symb,
uint32_t &Res) const {
uint32_t ELFObjectFile<ELFT>::getSymbolAlignment(DataRefImpl Symb) const {
Elf_Sym_Iter Sym = toELFSymIter(Symb);
if (Sym->st_shndx == ELF::SHN_COMMON)
Res = Sym->st_value;
else
Res = 0;
return object_error::success;
return Sym->st_value;
return 0;
}
template <class ELFT>

3
include/llvm/Object/MachO.h
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@ -204,8 +204,7 @@ public:
std::error_code getSymbolAddress(DataRefImpl Symb,
uint64_t &Res) const override;
std::error_code getSymbolAlignment(DataRefImpl Symb,
uint32_t &Res) const override;
uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
std::error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const override;
std::error_code getSymbolType(DataRefImpl Symb,
SymbolRef::Type &Res) const override;

9
include/llvm/Object/ObjectFile.h
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@ -146,7 +146,7 @@ public:
/// mapped).
std::error_code getAddress(uint64_t &Result) const;
/// @brief Get the alignment of this symbol as the actual value (not log 2).
std::error_code getAlignment(uint32_t &Result) const;
uint32_t getAlignment() const;
std::error_code getSize(uint64_t &Result) const;
std::error_code getType(SymbolRef::Type &Result) const;
std::error_code getOther(uint8_t &Result) const;
@ -206,8 +206,7 @@ protected:
DataRefImpl Symb) const override;
virtual std::error_code getSymbolAddress(DataRefImpl Symb,
uint64_t &Res) const = 0;
virtual std::error_code getSymbolAlignment(DataRefImpl Symb,
uint32_t &Res) const;
virtual uint32_t getSymbolAlignment(DataRefImpl Symb) const;
virtual std::error_code getSymbolSize(DataRefImpl Symb,
uint64_t &Res) const = 0;
virtual std::error_code getSymbolType(DataRefImpl Symb,
@ -334,8 +333,8 @@ inline std::error_code SymbolRef::getAddress(uint64_t &Result) const {
return getObject()->getSymbolAddress(getRawDataRefImpl(), Result);
}
inline std::error_code SymbolRef::getAlignment(uint32_t &Result) const {
return getObject()->getSymbolAlignment(getRawDataRefImpl(), Result);
inline uint32_t SymbolRef::getAlignment() const {
return getObject()->getSymbolAlignment(getRawDataRefImpl());
}
inline std::error_code SymbolRef::getSize(uint64_t &Result) const {

6
lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
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@ -494,9 +494,8 @@ void RuntimeDyldImpl::emitCommonSymbols(const ObjectFile &Obj,
continue;
}
uint32_t Align = 0;
uint32_t Align = Sym.getAlignment();
uint64_t Size = 0;
Check(Sym.getAlignment(Align));
Check(Sym.getSize(Size));
CommonSize += Align + Size;
@ -518,10 +517,9 @@ void RuntimeDyldImpl::emitCommonSymbols(const ObjectFile &Obj,
// Assign the address of each symbol
for (auto &Sym : SymbolsToAllocate) {
uint32_t Align;
uint32_t Align = Sym.getAlignment();
uint64_t Size;
StringRef Name;
Check(Sym.getAlignment(Align));
Check(Sym.getSize(Size));
Check(Sym.getName(Name));
if (Align) {

9
lib/Object/MachOObjectFile.cpp
View File

@ -401,16 +401,13 @@ std::error_code MachOObjectFile::getSymbolAddress(DataRefImpl Symb,
return object_error::success;
}
std::error_code MachOObjectFile::getSymbolAlignment(DataRefImpl DRI,
uint32_t &Result) const {
uint32_t MachOObjectFile::getSymbolAlignment(DataRefImpl DRI) const {
uint32_t flags = getSymbolFlags(DRI);
if (flags & SymbolRef::SF_Common) {
MachO::nlist_base Entry = getSymbolTableEntryBase(this, DRI);
Result = 1 << MachO::GET_COMM_ALIGN(Entry.n_desc);
} else {
Result = 0;
return 1 << MachO::GET_COMM_ALIGN(Entry.n_desc);
}
return object_error::success;
return 0;
}
std::error_code MachOObjectFile::getSymbolSize(DataRefImpl DRI,

6
lib/Object/ObjectFile.cpp
View File

@ -37,11 +37,7 @@ std::error_code ObjectFile::printSymbolName(raw_ostream &OS,
return object_error::success;
}
std::error_code ObjectFile::getSymbolAlignment(DataRefImpl DRI,
uint32_t &Result) const {
Result = 0;
return object_error::success;
}
uint32_t ObjectFile::getSymbolAlignment(DataRefImpl DRI) const { return 0; }
section_iterator ObjectFile::getRelocatedSection(DataRefImpl Sec) const {
return section_iterator(SectionRef(Sec, this));

4
tools/llvm-objdump/llvm-objdump.cpp
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@ -697,9 +697,7 @@ void llvm::PrintSymbolTable(const ObjectFile *o) {
bool Hidden = Flags & SymbolRef::SF_Hidden;
if (Common) {
uint32_t Alignment;
if (error(Symbol.getAlignment(Alignment)))
Alignment = 0;
uint32_t Alignment = Symbol.getAlignment();
Address = Size;
Size = Alignment;
}