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Replace a report_fatal_error with an ErrorOr.

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llvm-svn: 285905
This commit is contained in:
Rafael Espindola 2016-11-03 13:43:30 +00:00
parent 6d18d388c5
commit 9ea68341b9
5 changed files with 21 additions and 14 deletions
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17
llvm/include/llvm/Object/ELF.h
View File

@ -111,13 +111,10 @@ public:
ErrorOr<Elf_Shdr_Range> sections() const;
Elf_Sym_Range symbols(const Elf_Shdr *Sec) const {
ErrorOr<Elf_Sym_Range> symbols(const Elf_Shdr *Sec) const {
if (!Sec)
return makeArrayRef<Elf_Sym>(nullptr, nullptr);
auto V = getSectionContentsAsArray<Elf_Sym>(Sec);
if (!V)
report_fatal_error(V.getError().message());
return *V;
return getSectionContentsAsArray<Elf_Sym>(Sec);
}
Elf_Rela_Range relas(const Elf_Shdr *Sec) const {
@ -164,7 +161,10 @@ public:
ErrorOr<const Elf_Sym *> getSymbol(const Elf_Shdr *Sec,
uint32_t Index) const {
Elf_Sym_Range Symbols = symbols(Sec);
auto SymtabOrErr = symbols(Sec);
if (std::error_code EC = SymtabOrErr.getError())
return object_error::parse_failed;
Elf_Sym_Range Symbols = *SymtabOrErr;
if (Index >= Symbols.size())
return object_error::invalid_symbol_index;
return &Symbols[Index];
@ -195,7 +195,10 @@ template <class ELFT>
uint32_t ELFFile<ELFT>::getExtendedSymbolTableIndex(
const Elf_Sym *Sym, const Elf_Shdr *SymTab,
ArrayRef<Elf_Word> ShndxTable) const {
return getExtendedSymbolTableIndex(Sym, symbols(SymTab).begin(), ShndxTable);
auto SymsOrErr = symbols(SymTab);
if (std::error_code EC = SymsOrErr.getError())
report_fatal_error(EC.message());
return getExtendedSymbolTableIndex(Sym, SymsOrErr->begin(), ShndxTable);
}
template <class ELFT>

4
llvm/include/llvm/Object/ELFObjectFile.h
View File

@ -507,8 +507,8 @@ uint32_t ELFObjectFile<ELFT>::getSymbolFlags(DataRefImpl Sym) const {
Result |= SymbolRef::SF_Absolute;
if (ESym->getType() == ELF::STT_FILE || ESym->getType() == ELF::STT_SECTION ||
ESym == EF.symbols(DotSymtabSec).begin() ||
ESym == EF.symbols(DotDynSymSec).begin())
ESym == (*EF.symbols(DotSymtabSec)).begin() ||
ESym == (*EF.symbols(DotDynSymSec)).begin())
Result |= SymbolRef::SF_FormatSpecific;
if (EF.getHeader()->e_machine == ELF::EM_ARM) {

2
llvm/tools/llvm-readobj/ARMEHABIPrinter.h
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@ -353,7 +353,7 @@ PrinterContext<ET>::FunctionAtAddress(unsigned Section,
error(StrTableOrErr.getError());
StringRef StrTable = *StrTableOrErr;
for (const Elf_Sym &Sym : ELF->symbols(Symtab))
for (const Elf_Sym &Sym : unwrapOrError(ELF->symbols(Symtab)))
if (Sym.st_shndx == Section && Sym.st_value == Address &&
Sym.getType() == ELF::STT_FUNC) {
auto NameOrErr = Sym.getName(StrTable);

7
llvm/tools/llvm-readobj/ELFDumper.cpp
View File

@ -246,7 +246,7 @@ void ELFDumper<ELFT>::printSymbolsHelper(bool IsDynamic) const {
if (!DotSymtabSec)
return;
StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
Syms = Obj->symbols(DotSymtabSec);
Syms = unwrapOrError(Obj->symbols(DotSymtabSec));
SymtabName = unwrapOrError(Obj->getSectionName(DotSymtabSec));
Entries = DotSymtabSec->getEntityCount();
}
@ -3494,11 +3494,12 @@ template <class ELFT> void LLVMStyle<ELFT>::printSections(const ELFO *Obj) {
const Elf_Shdr *Symtab = this->dumper()->getDotSymtabSec();
StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
for (const Elf_Sym &Sym : Obj->symbols(Symtab)) {
for (const Elf_Sym &Sym : unwrapOrError(Obj->symbols(Symtab))) {
const Elf_Shdr *SymSec = unwrapOrError(
Obj->getSection(&Sym, Symtab, this->dumper()->getShndxTable()));
if (SymSec == &Sec)
printSymbol(Obj, &Sym, Obj->symbols(Symtab).begin(), StrTable, false);
printSymbol(Obj, &Sym, unwrapOrError(Obj->symbols(Symtab)).begin(),
StrTable, false);
}
}

5
llvm/tools/obj2yaml/elf2yaml.cpp
View File

@ -145,7 +145,10 @@ ErrorOr<ELFYAML::Object *> ELFDumper<ELFT>::dump() {
StringRef StrTable = *StrTableOrErr;
bool IsFirstSym = true;
for (const Elf_Sym &Sym : Obj.symbols(Symtab)) {
auto SymtabOrErr = Obj.symbols(Symtab);
if (std::error_code EC = SymtabOrErr.getError())
return EC;
for (const Elf_Sym &Sym : *SymtabOrErr) {
if (IsFirstSym) {
IsFirstSym = false;
continue;