3 files changed, 28 insertions, 0 deletions
diff --git a/llvm/tools/llvm-readobj/MachODumper.cpp b/llvm/tools/llvm-readobj/MachODumper.cpp
index fd6e00b9e83..177f79fb9c1 100644
--- a/llvm/tools/llvm-readobj/MachODumper.cpp
+++ b/llvm/tools/llvm-readobj/MachODumper.cpp
@@ -46,6 +46,7 @@ public:
   void printMachODysymtab() override;
   void printMachOSegment() override;
   void printMachOIndirectSymbols() override;
+  void printMachOLinkerOptions () override;
 
 private:
   template<class MachHeader>
@@ -791,3 +792,22 @@ void MachODumper::printMachOIndirectSymbols() {
     }
   }
 }
+
+void MachODumper::printMachOLinkerOptions() {
+  for (const auto &Load : Obj->load_commands()) {
+    if (Load.C.cmd == MachO::LC_LINKER_OPTION) {
+      MachO::linker_option_command LOLC = Obj->getLinkerOptionLoadCommand(Load);
+      DictScope Group(W, "Linker Options");
+      W.printNumber("Size", LOLC.cmdsize);
+      ListScope D(W, "Strings");
+      uint64_t DataSize = LOLC.cmdsize - sizeof(MachO::linker_option_command);
+      const char *P = Load.Ptr + sizeof(MachO::linker_option_command);
+      StringRef Data(P, DataSize);
+      for (unsigned i = 0; i < LOLC.count; ++i) {
+        std::pair<StringRef,StringRef> Split = Data.split('\0');
+        W.printString("Value", Split.first);
+        Data = Split.second;
+      }
+    }
+  }
+}
diff --git a/llvm/tools/llvm-readobj/ObjDumper.h b/llvm/tools/llvm-readobj/ObjDumper.h
index 65015213201..1a80b0a5459 100644
--- a/llvm/tools/llvm-readobj/ObjDumper.h
+++ b/llvm/tools/llvm-readobj/ObjDumper.h
@@ -61,6 +61,7 @@ public:
   virtual void printMachODysymtab() { }
   virtual void printMachOSegment() { }
   virtual void printMachOIndirectSymbols() { }
+  virtual void printMachOLinkerOptions() { }
 
   virtual void printStackMap() const = 0;
 
diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index 2e17525ab71..a8e4ca4893f 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -192,6 +192,11 @@ namespace opts {
   MachOIndirectSymbols("macho-indirect-symbols",
                   cl::desc("Display MachO indirect symbols"));
 
+  // -macho-linker-options
+  cl::opt<bool>
+  MachOLinkerOptions("macho-linker-options",
+                  cl::desc("Display MachO linker options"));
+
   // -macho-segment
   cl::opt<bool>
   MachOSegment("macho-segment",
@@ -343,6 +348,8 @@ static void dumpObject(const ObjectFile *Obj) {
       Dumper->printMachODataInCode();
     if (opts::MachOIndirectSymbols)
       Dumper->printMachOIndirectSymbols();
+    if (opts::MachOLinkerOptions)
+      Dumper->printMachOLinkerOptions();
     if (opts::MachOSegment)
       Dumper->printMachOSegment();
     if (opts::MachOVersionMin)