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Don't return error_code from a function that doesn't fail.

llvm-svn: 241039
This commit is contained in:
Rafael Espindola 2015-06-30 03:33:18 +00:00
parent 987dbcd199
commit 46f3b9973b
4 changed files with 12 additions and 22 deletions

View File

@ -244,8 +244,7 @@ public:
std::error_code
getRelocationTypeName(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const override;
std::error_code getRelocationHidden(DataRefImpl Rel,
bool &Result) const override;
bool getRelocationHidden(DataRefImpl Rel) const override;
uint8_t getRelocationLength(DataRefImpl Rel) const;
// MachO specific.

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@ -58,7 +58,7 @@ public:
/// @brief Indicates whether this relocation should hidden when listing
/// relocations, usually because it is the trailing part of a multipart
/// relocation that will be printed as part of the leading relocation.
std::error_code getHidden(bool &Result) const;
bool getHidden() const;
/// @brief Get a string that represents the type of this relocation.
///
@ -246,11 +246,7 @@ protected:
virtual std::error_code
getRelocationTypeName(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const = 0;
virtual std::error_code getRelocationHidden(DataRefImpl Rel,
bool &Result) const {
Result = false;
return std::error_code();
}
virtual bool getRelocationHidden(DataRefImpl Rel) const { return false; }
public:
uint64_t getCommonSymbolSize(DataRefImpl Symb) const {
@ -472,8 +468,8 @@ RelocationRef::getTypeName(SmallVectorImpl<char> &Result) const {
return OwningObject->getRelocationTypeName(RelocationPimpl, Result);
}
inline std::error_code RelocationRef::getHidden(bool &Result) const {
return OwningObject->getRelocationHidden(RelocationPimpl, Result);
inline bool RelocationRef::getHidden() const {
return OwningObject->getRelocationHidden(RelocationPimpl);
}
inline DataRefImpl RelocationRef::getRawDataRefImpl() const {

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@ -770,17 +770,15 @@ MachOObjectFile::getRelocationTypeName(DataRefImpl Rel,
return std::error_code();
}
std::error_code MachOObjectFile::getRelocationHidden(DataRefImpl Rel,
bool &Result) const {
bool MachOObjectFile::getRelocationHidden(DataRefImpl Rel) const {
unsigned Arch = getArch();
uint64_t Type = getRelocationType(Rel);
Result = false;
// On arches that use the generic relocations, GENERIC_RELOC_PAIR
// is always hidden.
if (Arch == Triple::x86 || Arch == Triple::arm || Arch == Triple::ppc) {
if (Type == MachO::GENERIC_RELOC_PAIR) Result = true;
if (Type == MachO::GENERIC_RELOC_PAIR)
return true;
} else if (Arch == Triple::x86_64) {
// On x86_64, X86_64_RELOC_UNSIGNED is hidden only when it follows
// an X86_64_RELOC_SUBTRACTOR.
@ -789,11 +787,11 @@ std::error_code MachOObjectFile::getRelocationHidden(DataRefImpl Rel,
RelPrev.d.a--;
uint64_t PrevType = getRelocationType(RelPrev);
if (PrevType == MachO::X86_64_RELOC_SUBTRACTOR)
Result = true;
return true;
}
}
return std::error_code();
return false;
}
uint8_t MachOObjectFile::getRelocationLength(DataRefImpl Rel) const {

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@ -888,13 +888,12 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
// Print relocation for instruction.
while (rel_cur != rel_end) {
bool hidden = false;
bool hidden = rel_cur->getHidden();
uint64_t addr = rel_cur->getOffset();
SmallString<16> name;
SmallString<32> val;
// If this relocation is hidden, skip it.
if (error(rel_cur->getHidden(hidden))) goto skip_print_rel;
if (hidden) goto skip_print_rel;
// Stop when rel_cur's address is past the current instruction.
@ -929,12 +928,10 @@ void llvm::PrintRelocations(const ObjectFile *Obj) {
continue;
outs() << "RELOCATION RECORDS FOR [" << secname << "]:\n";
for (const RelocationRef &Reloc : Section.relocations()) {
bool hidden;
bool hidden = Reloc.getHidden();
uint64_t address = Reloc.getOffset();
SmallString<32> relocname;
SmallString<32> valuestr;
if (error(Reloc.getHidden(hidden)))
continue;
if (hidden)
continue;
if (error(Reloc.getTypeName(relocname)))