diff options
Diffstat (limited to 'llvm/tools/llvm-objcopy')
| -rw-r--r-- | llvm/tools/llvm-objcopy/ObjcopyOptions.cpp | 36 | ||||
| -rw-r--r-- | llvm/tools/llvm-objcopy/ObjcopyOpts.td | 6 |
2 files changed, 42 insertions, 0 deletions
diff --git a/llvm/tools/llvm-objcopy/ObjcopyOptions.cpp b/llvm/tools/llvm-objcopy/ObjcopyOptions.cpp index 7269c51..70e8546 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 diff --git a/llvm/tools/llvm-objcopy/ObjcopyOpts.td b/llvm/tools/llvm-objcopy/ObjcopyOpts.td index be02616..4bc80eb 100644 --- a/llvm/tools/llvm-objcopy/ObjcopyOpts.td +++ b/llvm/tools/llvm-objcopy/ObjcopyOpts.td @@ -35,6 +35,12 @@ def : Flag<["--"], "compress-debug-sections">, Alias<compress_debug_sections>, AliasArgs<["zlib"]>; def decompress_debug_sections : Flag<["--"], "decompress-debug-sections">, HelpText<"Decompress DWARF debug sections">; +defm compress_sections + : Eq<"compress-sections", + "Compress or decompress sections using specified format. Supported " + "formats: zlib, zstd. Specify 'none' for decompression">, + MetaVarName<"<section-glob>=<format>">; + defm split_dwo : Eq<"split-dwo", "Equivalent to --extract-dwo and <dwo-file> as the output file and no other options, " "and then --strip-dwo on the input file">, |