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[COFF] Refactor .drectve section handling. No functionality change. 

llvm-svn: 202113
This commit is contained in:
Rui Ueyama 2014-02-25 05:37:47 +00:00
parent 6fe8a7fe8a
commit d08472f6c3
1 changed files with 18 additions and 7 deletions
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25
lld/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp
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@ -120,6 +120,8 @@ private:
const coff_section *section,
const vector<COFFDefinedFileAtom *> &atoms);
error_code getSectionContents(StringRef sectionName,
ArrayRef<uint8_t> &result);
error_code getReferenceArch(Reference::KindArch &result);
error_code addRelocationReferenceToAtoms();
error_code findSection(StringRef name, const coff_section *&result);
@ -275,15 +277,11 @@ FileCOFF::FileCOFF(std::unique_ptr<MemoryBuffer> mb, error_code &ec)
bin.take();
// Read .drectve section if exists.
const coff_section *section = nullptr;
if ((ec = findSection(".drectve", section)))
ArrayRef<uint8_t> contents;
if ((ec = getSectionContents(".drectve", contents)))
return;
if (section != nullptr) {
ArrayRef<uint8_t> contents;
if ((ec = _obj->getSectionContents(section, contents)))
return;
if (!contents.empty())
_directives = ArrayRefToString(contents);
}
}
error_code FileCOFF::parse(StringMap &altNames) {
@ -737,6 +735,19 @@ FileCOFF::addRelocationReference(const coff_relocation *rel,
return error_code::success();
}
// Read section contents.
error_code FileCOFF::getSectionContents(StringRef sectionName,
ArrayRef<uint8_t> &result) {
const coff_section *section = nullptr;
if (error_code ec = findSection(sectionName, section))
return ec;
if (!section)
return error_code::success();
if (error_code ec = _obj->getSectionContents(section, result))
return ec;
return error_code::success();
}
/// Returns the target machine type of the current object file.
error_code FileCOFF::getReferenceArch(Reference::KindArch &result) {
const llvm::object::coff_file_header *header = nullptr;