MachO: Comment fields in the version_min load command.

llvm-svn: 204189

1 files changed, 4 insertions, 3 deletions

diff --git a/llvm/include/llvm/Support/MachO.h b/llvm/include/llvm/Support/MachO.h
index 2e0e77ee4ea..ed4329bc4f7 100644
--- a/llvm/include/llvm/Support/MachO.h
+++ b/llvm/include/llvm/Support/MachO.h
@@ -743,9 +743,10 @@ namespace llvm {
     };
 
     struct version_min_command {
-      uint32_t cmd;
-      uint32_t cmdsize;
-      uint32_t version;
+      uint32_t cmd;       /* LC_VERSION_MIN_MACOSX or
+                             LC_VERSION_MIN_IPHONEOS  */
+      uint32_t cmdsize;   /* sizeof(struct version_min_command) */
+      uint32_t version;   /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
       uint32_t reserved;
     };