Print dylib load kind (weak, reexport, etc) in llvm-objdump -m -dylibs-used

Summary:
Historically llvm-objdump prints the path to a dylib as well as the
dylib's compatibility version and current version number. This change
extends this information by adding the kind of dylib load: weak,
reexport, etc.

rdar://51383512

Reviewers: pete, lhames

Reviewed By: pete

Subscribers: rupprecht, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62866

llvm-svn: 363746

1 files changed, 10 insertions, 1 deletions

diff --git a/llvm/tools/llvm-objdump/MachODump.cpp b/llvm/tools/llvm-objdump/MachODump.cpp
index b684daacb61..58ff7be4543 100644
--- a/llvm/tools/llvm-objdump/MachODump.cpp
+++ b/llvm/tools/llvm-objdump/MachODump.cpp
@@ -1206,7 +1206,16 @@ static void PrintDylibs(MachOObjectFile *O, bool JustId) {
           outs() << " current version "
                  << ((dl.dylib.current_version >> 16) & 0xffff) << "."
                  << ((dl.dylib.current_version >> 8) & 0xff) << "."
-                 << (dl.dylib.current_version & 0xff) << ")\n";
+                 << (dl.dylib.current_version & 0xff);
+          if (Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB)
+            outs() << ", weak";
+          if (Load.C.cmd == MachO::LC_REEXPORT_DYLIB)
+            outs() << ", reexport";
+          if (Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
+            outs() << ", upward";
+          if (Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB)
+            outs() << ", lazy";
+          outs() << ")\n";
         }
       } else {
         outs() << "\tBad offset (" << dl.dylib.name << ") for name of ";