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[llvm-objcopy] Consistently use createStringError instead of make_err…
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…or<StringError>

This was requested in the review of D57006.

Also add missing quotes around symbol names in error messages.

Differential Revision: https://reviews.llvm.org/D57014

llvm-svn: 351799
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mstorsjo committed Jan 22, 2019
1 parent 21abd5d commit 8010c6b
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Showing 6 changed files with 40 additions and 42 deletions.
2 changes: 1 addition & 1 deletion llvm/test/tools/llvm-objcopy/COFF/remove-section.test
Expand Up @@ -96,7 +96,7 @@
# Removing the .comdat section fails, since the .text section has relocations
# against it.
#
# ERROR-RELOC: Relocation target foo ({{.*}}) not found
# ERROR-RELOC: Relocation target 'foo' ({{.*}}) not found
#
#
# Removing the .comdat section and .text (with a relocation against .comdat)
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8 changes: 4 additions & 4 deletions llvm/tools/llvm-objcopy/COFF/COFFObjcopy.cpp
Expand Up @@ -84,10 +84,10 @@ static Error handleArgs(const CopyConfig &Config, Object &Obj) {
// Explicitly removing a referenced symbol is an error.
if (Sym.Referenced)
reportError(Config.OutputFilename,
make_error<StringError>(
"not stripping symbol '" + Sym.Name +
"' because it is named in a relocation.",
llvm::errc::invalid_argument));
createStringError(llvm::errc::invalid_argument,
"not stripping symbol '%s' because it is "
"named in a relocation.",
Sym.Name.str().c_str()));
return true;
}

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5 changes: 2 additions & 3 deletions llvm/tools/llvm-objcopy/COFF/Object.cpp
Expand Up @@ -56,9 +56,8 @@ Error Object::markSymbols() {
for (const Relocation &R : Sec.Relocs) {
auto It = SymbolMap.find(R.Target);
if (It == SymbolMap.end())
return make_error<StringError>("Relocation target " + Twine(R.Target) +
" not found",
object_error::invalid_symbol_index);
return createStringError(object_error::invalid_symbol_index,
"Relocation target %zu not found", R.Target);
It->second->Referenced = true;
}
}
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24 changes: 12 additions & 12 deletions llvm/tools/llvm-objcopy/COFF/Reader.cpp
Expand Up @@ -77,8 +77,8 @@ Error COFFReader::readSections(Object &Obj) const {
if (auto EC = COFFObj.getSectionName(Sec, S.Name))
return errorCodeToError(EC);
if (Sec->hasExtendedRelocations())
return make_error<StringError>("Extended relocations not supported yet",
object_error::parse_failed);
return createStringError(object_error::parse_failed,
"Extended relocations not supported yet");
}
Obj.addSections(Sections);
return Error::success();
Expand Down Expand Up @@ -116,16 +116,16 @@ Error COFFReader::readSymbols(Object &Obj, bool IsBigObj) const {
Sections.size())
Sym.TargetSectionId = Sections[SymRef.getSectionNumber() - 1].UniqueId;
else
return make_error<StringError>("Section number out of range",
object_error::parse_failed);
return createStringError(object_error::parse_failed,
"Section number out of range");
// For section definitions, check if it is comdat associative, and if
// it is, find the target section unique id.
const coff_aux_section_definition *SD = SymRef.getSectionDefinition();
if (SD && SD->Selection == IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
int32_t Index = SD->getNumber(IsBigObj);
if (Index <= 0 || static_cast<uint32_t>(Index - 1) >= Sections.size())
return make_error<StringError>("Unexpected associative section index",
object_error::parse_failed);
return createStringError(object_error::parse_failed,
"Unexpected associative section index");
Sym.AssociativeComdatTargetSectionId = Sections[Index - 1].UniqueId;
}
I += 1 + SymRef.getNumberOfAuxSymbols();
Expand All @@ -144,12 +144,12 @@ Error COFFReader::setRelocTargets(Object &Obj) const {
for (Section &Sec : Obj.getMutableSections()) {
for (Relocation &R : Sec.Relocs) {
if (R.Reloc.SymbolTableIndex >= RawSymbolTable.size())
return make_error<StringError>("SymbolTableIndex out of range",
object_error::parse_failed);
return createStringError(object_error::parse_failed,
"SymbolTableIndex out of range");
const Symbol *Sym = RawSymbolTable[R.Reloc.SymbolTableIndex];
if (Sym == nullptr)
return make_error<StringError>("Invalid SymbolTableIndex",
object_error::parse_failed);
return createStringError(object_error::parse_failed,
"Invalid SymbolTableIndex");
R.Target = Sym->UniqueId;
R.TargetName = Sym->Name;
}
Expand All @@ -169,8 +169,8 @@ Expected<std::unique_ptr<Object>> COFFReader::create() const {
Obj->CoffFileHeader = *CFH;
} else {
if (!CBFH)
return make_error<StringError>("No COFF file header returned",
object_error::parse_failed);
return createStringError(object_error::parse_failed,
"No COFF file header returned");
// Only copying the few fields from the bigobj header that we need
// and won't recreate in the end.
Obj->CoffFileHeader.Machine = CBFH->Machine;
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33 changes: 16 additions & 17 deletions llvm/tools/llvm-objcopy/COFF/Writer.cpp
Expand Up @@ -29,10 +29,9 @@ Error COFFWriter::finalizeRelocTargets() {
for (Relocation &R : Sec.Relocs) {
const Symbol *Sym = Obj.findSymbol(R.Target);
if (Sym == nullptr)
return make_error<StringError>("Relocation target " + R.TargetName +
" (" + Twine(R.Target) +
") not found",
object_error::invalid_symbol_index);
return createStringError(object_error::invalid_symbol_index,
"Relocation target '%s' (%zu) not found",
R.TargetName.str().c_str(), R.Target);
R.Reloc.SymbolTableIndex = Sym->RawIndex;
}
}
Expand All @@ -48,9 +47,9 @@ Error COFFWriter::finalizeSectionNumbers() {
} else {
const Section *Sec = Obj.findSection(Sym.TargetSectionId);
if (Sec == nullptr)
return make_error<StringError>("Symbol " + Sym.Name +
" points to a removed section",
object_error::invalid_symbol_index);
return createStringError(object_error::invalid_symbol_index,
"Symbol '%s' points to a removed section",
Sym.Name.str().c_str());
Sym.Sym.SectionNumber = Sec->Index;

if (Sym.Sym.NumberOfAuxSymbols == 1 &&
Expand All @@ -65,9 +64,10 @@ Error COFFWriter::finalizeSectionNumbers() {
} else {
Sec = Obj.findSection(Sym.AssociativeComdatTargetSectionId);
if (Sec == nullptr)
return make_error<StringError>(
"Symbol " + Sym.Name + " is associative to a removed section",
object_error::invalid_symbol_index);
return createStringError(
object_error::invalid_symbol_index,
"Symbol '%s' is associative to a removed section",
Sym.Name.str().c_str());
SDSectionNumber = Sec->Index;
}
// Update the section definition with the new section number.
Expand Down Expand Up @@ -343,9 +343,8 @@ Error COFFWriter::patchDebugDirectory() {
S.Header.VirtualAddress + S.Header.SizeOfRawData) {
if (Dir->RelativeVirtualAddress + Dir->Size >
S.Header.VirtualAddress + S.Header.SizeOfRawData)
return make_error<StringError>(
"Debug directory extends past end of section",
object_error::parse_failed);
return createStringError(object_error::parse_failed,
"Debug directory extends past end of section");

size_t Offset = Dir->RelativeVirtualAddress - S.Header.VirtualAddress;
uint8_t *Ptr = Buf.getBufferStart() + S.Header.PointerToRawData + Offset;
Expand All @@ -361,15 +360,15 @@ Error COFFWriter::patchDebugDirectory() {
return Error::success();
}
}
return make_error<StringError>("Debug directory not found",
object_error::parse_failed);
return createStringError(object_error::parse_failed,
"Debug directory not found");
}

Error COFFWriter::write() {
bool IsBigObj = Obj.getSections().size() > MaxNumberOfSections16;
if (IsBigObj && Obj.IsPE)
return make_error<StringError>("Too many sections for executable",
object_error::parse_failed);
return createStringError(object_error::parse_failed,
"Too many sections for executable");
return write(IsBigObj);
}

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10 changes: 5 additions & 5 deletions llvm/tools/llvm-objcopy/ELF/ELFObjcopy.cpp
Expand Up @@ -185,9 +185,10 @@ static Error dumpSectionToFile(StringRef SecName, StringRef Filename,
for (auto &Sec : Obj.sections()) {
if (Sec.Name == SecName) {
if (Sec.OriginalData.empty())
return make_error<StringError>("Can't dump section \"" + SecName +
"\": it has no contents",
object_error::parse_failed);
return createStringError(
object_error::parse_failed,
"Can't dump section \"%s\": it has no contents",
SecName.str().c_str());
Expected<std::unique_ptr<FileOutputBuffer>> BufferOrErr =
FileOutputBuffer::create(Filename, Sec.OriginalData.size());
if (!BufferOrErr)
Expand All @@ -200,8 +201,7 @@ static Error dumpSectionToFile(StringRef SecName, StringRef Filename,
return Error::success();
}
}
return make_error<StringError>("Section not found",
object_error::parse_failed);
return createStringError(object_error::parse_failed, "Section not found");
}

static bool isCompressed(const SectionBase &Section) {
Expand Down

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