Index: ELF/Config.h
===================================================================
--- ELF/Config.h
+++ ELF/Config.h
@@ -188,6 +188,7 @@
   bool ZKeepTextSectionPrefix;
   bool ZNodelete;
   bool ZNodlopen;
+  bool ZNodump;
   bool ZNow;
   bool ZOrigin;
   bool ZRelro;
Index: ELF/Driver.cpp
===================================================================
--- ELF/Driver.cpp
+++ ELF/Driver.cpp
@@ -344,7 +344,7 @@
          S == "initfirst" || S == "interpose" ||
          S == "keep-text-section-prefix" || S == "lazy" || S == "muldefs" ||
          S == "nocombreloc" || S == "nocopyreloc" || S == "nodelete" ||
-         S == "nodlopen" || S == "noexecstack" ||
+         S == "nodlopen" || S == "nodump" || S == "noexecstack" ||
          S == "nokeep-text-section-prefix" || S == "norelro" || S == "notext" ||
          S == "now" || S == "origin" || S == "relro" || S == "retpolineplt" ||
          S == "rodynamic" || S == "text" || S == "wxneeded" ||
@@ -842,6 +842,7 @@
       Args, "keep-text-section-prefix", "nokeep-text-section-prefix", false);
   Config->ZNodelete = hasZOption(Args, "nodelete");
   Config->ZNodlopen = hasZOption(Args, "nodlopen");
+  Config->ZNodump = hasZOption(Args, "nodump");
   Config->ZNow = getZFlag(Args, "now", "lazy", false);
   Config->ZOrigin = hasZOption(Args, "origin");
   Config->ZRelro = getZFlag(Args, "relro", "norelro", true);
Index: ELF/SyntheticSections.cpp
===================================================================
--- ELF/SyntheticSections.cpp
+++ ELF/SyntheticSections.cpp
@@ -1274,6 +1274,8 @@
     DtFlags1 |= DF_1_NODELETE;
   if (Config->ZNodlopen)
     DtFlags1 |= DF_1_NOOPEN;
+  if (Config->ZNodump)
+    DtFlags1 |= DF_1_NODUMP;
   if (Config->ZNow) {
     DtFlags |= DF_BIND_NOW;
     DtFlags1 |= DF_1_NOW;
Index: docs/ld.lld.1
===================================================================
--- docs/ld.lld.1
+++ docs/ld.lld.1
@@ -470,6 +470,10 @@
 .Dv DF_1_NOOPEN
 flag to indcate that the object may not be opened by
 .Xr dlopen 3 .
+.It Cm nodump
+Set the
+.Dv DF_1_NODUMP
+flag to indicate that the object may not be dumped by the runtime linker.
 .It Cm norelro
 Do not indicate that portions of the object shold be mapped read-only
 after initial relocation processing.
Index: test/ELF/dt_flags.s
===================================================================
--- test/ELF/dt_flags.s
+++ test/ELF/dt_flags.s
@@ -4,7 +4,7 @@
 # RUN: ld.lld -shared %t -o %t.so
 
 # RUN: ld.lld -z global -z initfirst -z interpose -z now -z nodelete \
-# RUN:   -z nodlopen -z origin -Bsymbolic %t %t.so -o %t1
+# RUN:   -z nodlopen -z nodump -z origin -Bsymbolic %t %t.so -o %t1
 # RUN: llvm-readobj -dynamic-table %t1 | FileCheck -check-prefix=FLAGS %s
 
 # RUN: ld.lld %t %t.so -o %t2
@@ -15,7 +15,7 @@
 
 # FLAGS: DynamicSection [
 # FLAGS:   0x000000000000001E FLAGS ORIGIN SYMBOLIC BIND_NOW
-# FLAGS:   0x000000006FFFFFFB FLAGS_1 NOW GLOBAL NODELETE INITFIRST NOOPEN ORIGIN INTERPOSE
+# FLAGS:   0x000000006FFFFFFB FLAGS_1 NOW GLOBAL NODELETE INITFIRST NOOPEN ORIGIN INTERPOSE NODUMP
 # FLAGS: ]
 
 # CHECK: DynamicSection [