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[ELF] - Refactor of LinkerScript<ELFT>::getPhdrIndicesForSection 

Previously it was harder to read and also has a error:
command kind was not checked.

Differential revision: https://reviews.llvm.org/D22574

llvm-svn: 276137
This commit is contained in:
George Rimar 2016-07-20 16:43:03 +00:00
parent db80c0c77f
commit 31d842f55f
1 changed files with 11 additions and 11 deletions
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22
lld/ELF/LinkerScript.cpp
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@ -450,23 +450,23 @@ template <class ELFT> bool LinkerScript<ELFT>::hasPhdrsCommands() {
template <class ELFT>
std::vector<size_t>
LinkerScript<ELFT>::getPhdrIndicesForSection(StringRef Name) {
std::vector<size_t> Indices;
auto ItSect = std::find_if(
Opt.Commands.begin(), Opt.Commands.end(),
[Name](const SectionsCommand &Cmd) { return Cmd.Name == Name; });
if (ItSect != Opt.Commands.end()) {
SectionsCommand &SecCmd = (*ItSect);
for (StringRef PhdrName : SecCmd.Phdrs) {
auto ItPhdr = std::find_if(
Opt.PhdrsCommands.rbegin(), Opt.PhdrsCommands.rend(),
[PhdrName](PhdrsCommand &Cmd) { return Cmd.Name == PhdrName; });
for (SectionsCommand &Cmd : Opt.Commands) {
if (Cmd.Kind != SectionKind || Cmd.Name != Name)
continue;
std::vector<size_t> Indices;
for (StringRef PhdrName : Cmd.Phdrs) {
auto ItPhdr =
std::find_if(Opt.PhdrsCommands.rbegin(), Opt.PhdrsCommands.rend(),
[&](PhdrsCommand &Cmd) { return Cmd.Name == PhdrName; });
if (ItPhdr == Opt.PhdrsCommands.rend())
error("section header '" + PhdrName + "' is not listed in PHDRS");
else
Indices.push_back(std::distance(ItPhdr, Opt.PhdrsCommands.rend()) - 1);
}
return Indices;
}
return Indices;
return {};
}
class elf::ScriptParser : public ScriptParserBase {