[llvm-readobj] Make some commonly used short options visibile in -help

For people who use llvm-readelf as a replacement of GNU readelf, they would like to see -d -r ... listed in llvm-readelf -help. It also helps understanding the confusing -s (which is unfortunately different in semantics).

Reviewers: phosek, ruiu, echristo

Reviewed By: ruiu, echristo

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D52129

llvm-svn: 342339

diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index 70e925f..61bec32 100644 (file)
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -594,6 +594,15 @@ int main(int argc, const char *argv[]) {
   // Register the target printer for --version.
   cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
 
+  // Make some commonly used short options visibile in -help.
+  opts::DynamicTableShort.setHiddenFlag(cl::NotHidden);
+  opts::FileHeadersShort.setHiddenFlag(cl::NotHidden);
+  opts::ProgramHeadersShort.setHiddenFlag(cl::NotHidden);
+  opts::RelocationsShort.setHiddenFlag(cl::NotHidden);
+  opts::SectionsShort.setHiddenFlag(cl::NotHidden);
+  opts::SectionsShortUpper.setHiddenFlag(cl::NotHidden);
+  opts::SymbolsShort.setHiddenFlag(cl::NotHidden);
+
   opts::WideOutput.setHiddenFlag(cl::Hidden);
 
   if (sys::path::stem(argv[0]).find("readelf") != StringRef::npos)