[llvm-strip] Add support for -remove-section

This diff adds support for -remove-section to llvm-strip.

Test plan: make check-all

Differential revision: https://reviews.llvm.org/D46567


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@332081 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 10 insertions, 0 deletions

diff --git a/tools/llvm-objcopy/StripOpts.td b/tools/llvm-objcopy/StripOpts.td
index 3266c89bda0..1d7a1aec14d 100644
--- a/tools/llvm-objcopy/StripOpts.td
+++ b/tools/llvm-objcopy/StripOpts.td
@@ -10,3 +10,9 @@ def help : Flag<["-", "--"], "help">;
 def strip_debug : Flag<["-", "--"], "strip-debug">,
                   HelpText<"Remove debugging symbols only">;
 
+defm remove_section : Eq<"remove-section">,
+                      MetaVarName<"section">,
+                      HelpText<"Remove <section>">;
+
+def R : JoinedOrSeparate<["-"], "R">,
+        Alias<remove_section>;
diff --git a/tools/llvm-objcopy/llvm-objcopy.cpp b/tools/llvm-objcopy/llvm-objcopy.cpp
index e08648ea0af..c71e2b94728 100644
--- a/tools/llvm-objcopy/llvm-objcopy.cpp
+++ b/tools/llvm-objcopy/llvm-objcopy.cpp
@@ -528,6 +528,10 @@ CopyConfig ParseStripOptions(ArrayRef<const char *> ArgsArr) {
   Config.StripDebug = InputArgs.hasArg(STRIP_strip_debug);
   if (!Config.StripDebug)
     Config.StripAll = true;
+  
+  for (auto Arg : InputArgs.filtered(STRIP_remove_section))
+    Config.ToRemove.push_back(Arg->getValue());
+
   return Config;
 }