diff options
Diffstat (limited to 'llvm/tools/llvm-objcopy/ObjcopyOptions.cpp')
-rw-r--r-- | llvm/tools/llvm-objcopy/ObjcopyOptions.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/tools/llvm-objcopy/ObjcopyOptions.cpp b/llvm/tools/llvm-objcopy/ObjcopyOptions.cpp index 7269c51a08d6..70e85460d3df 100644 --- a/llvm/tools/llvm-objcopy/ObjcopyOptions.cpp +++ b/llvm/tools/llvm-objcopy/ObjcopyOptions.cpp @@ -736,6 +736,42 @@ objcopy::parseObjcopyOptions(ArrayRef<const char *> RawArgsArr, return createStringError(errc::invalid_argument, Reason); } + for (const auto *A : InputArgs.filtered(OBJCOPY_compress_sections)) { + SmallVector<StringRef, 0> Fields; + StringRef(A->getValue()).split(Fields, '='); + if (Fields.size() != 2 || Fields[1].empty()) { + return createStringError( + errc::invalid_argument, + A->getSpelling() + + ": parse error, not 'section-glob=[none|zlib|zstd]'"); + } + + auto Type = StringSwitch<DebugCompressionType>(Fields[1]) + .Case("zlib", DebugCompressionType::Zlib) + .Case("zstd", DebugCompressionType::Zstd) + .Default(DebugCompressionType::None); + if (Type == DebugCompressionType::None && Fields[1] != "none") { + return createStringError( + errc::invalid_argument, + "invalid or unsupported --compress-sections format: %s", + A->getValue()); + } + + auto &P = Config.compressSections.emplace_back(); + P.second = Type; + auto Matcher = + NameOrPattern::create(Fields[0], SectionMatchStyle, ErrorCallback); + // =none allows overriding a previous =zlib or =zstd. Reject negative + // patterns, which would be confusing. + if (Matcher && !Matcher->isPositiveMatch()) { + return createStringError( + errc::invalid_argument, + "--compress-sections: negative pattern is unsupported"); + } + if (Error E = P.first.addMatcher(std::move(Matcher))) + return std::move(E); + } + Config.AddGnuDebugLink = InputArgs.getLastArgValue(OBJCOPY_add_gnu_debuglink); // The gnu_debuglink's target is expected to not change or else its CRC would // become invalidated and get rejected. We can avoid recalculating the |