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[yaml2obj] - Move "repeated section/fill name" check earlier.

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This allows to simplify the code.
Doing checks early is generally useful.

Differential revision: https://reviews.llvm.org/D79985
This commit is contained in:
Georgii Rymar 2020-05-14 22:46:58 +03:00
parent 8d363b0507
commit b95f76e8f8
1 changed files with 9 additions and 15 deletions
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24
lib/ObjectYAML/ELFEmitter.cpp
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@ -261,7 +261,10 @@ ELFState<ELFT>::ELFState(ELFYAML::Object &D, yaml::ErrorHandler EH)
C->Name = StringRef(NewName).copy(StringAlloc);
assert(ELFYAML::dropUniqueSuffix(C->Name).empty());
}
DocSections.insert(C->Name);
if (!DocSections.insert(C->Name).second)
reportError("repeated section/fill name: '" + C->Name +
"' at YAML section/fill number " + Twine(I));
}
std::vector<StringRef> ImplicitSections;
@ -1435,18 +1438,10 @@ void ELFState<ELFT>::writeFill(ELFYAML::Fill &Fill,
template <class ELFT> void ELFState<ELFT>::buildSectionIndex() {
size_t SecNdx = -1;
StringSet<> Seen;
for (size_t I = 0; I < Doc.Chunks.size(); ++I) {
const std::unique_ptr<ELFYAML::Chunk> &C = Doc.Chunks[I];
bool IsSection = isa<ELFYAML::Section>(C.get());
if (IsSection)
++SecNdx;
if (!Seen.insert(C->Name).second)
reportError("repeated section/fill name: '" + C->Name +
"' at YAML section/fill number " + Twine(I));
if (!IsSection || HasError)
for (const std::unique_ptr<ELFYAML::Chunk> &C : Doc.Chunks) {
if (!isa<ELFYAML::Section>(C.get()))
continue;
++SecNdx;
if (!SN2I.addName(C->Name, SecNdx))
llvm_unreachable("buildSectionIndex() failed");
@ -1509,6 +1504,8 @@ template <class ELFT>
bool ELFState<ELFT>::writeELF(raw_ostream &OS, ELFYAML::Object &Doc,
yaml::ErrorHandler EH) {
ELFState<ELFT> State(Doc, EH);
if (State.HasError)
return false;
// Finalize .strtab and .dynstr sections. We do that early because want to
// finalize the string table builders before writing the content of the
@ -1516,9 +1513,6 @@ bool ELFState<ELFT>::writeELF(raw_ostream &OS, ELFYAML::Object &Doc,
State.finalizeStrings();
State.buildSectionIndex();
if (State.HasError)
return false;
State.buildSymbolIndexes();
std::vector<Elf_Phdr> PHeaders;