[llvm-readobj] Add support for dumping MachO min version load command.

Example output:
File: <stdin>
Format: Mach-O arm
Arch: arm
AddressSize: 32bit
MinVersion {
  Cmd: LC_VERSION_MIN_IPHONEOS
  Size: 16
  Version: 99.8.7
  SDK: n/a
}

Differential Revision:	 http://reviews.llvm.org/D12373

llvm-svn: 246151

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index c6f303ddb0f..d41dcc3ab4f 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -186,6 +186,10 @@ namespace opts {
   MachODataInCode("macho-data-in-code",
                   cl::desc("Display MachO Data in Code command"));
 
+  // -macho-version-min
+  cl::opt<bool>
+  MachOVersionMin("macho-version-min",
+                  cl::desc("Display MachO version min command"));
   // -stackmap
   cl::opt<bool>
   PrintStackMap("stackmap",
@@ -320,6 +324,8 @@ static void dumpObject(const ObjectFile *Obj) {
   if (Obj->isMachO())
     if (opts::MachODataInCode)
       Dumper->printMachODataInCode();
+    if (opts::MachOVersionMin)
+      Dumper->printMachOVersionMin();
   if (opts::PrintStackMap)
     Dumper->printStackMap();
 }