diff --git a/lld/ELF/Config.h b/lld/ELF/Config.h
--- a/lld/ELF/Config.h
+++ b/lld/ELF/Config.h
@@ -117,6 +117,7 @@
   llvm::StringRef thinLTOCacheDir;
   llvm::StringRef thinLTOIndexOnlyArg;
   llvm::StringRef ltoBasicBlockSections;
+  llvm::StringSet<> keepSections;
   std::pair<llvm::StringRef, llvm::StringRef> thinLTOObjectSuffixReplace;
   std::pair<llvm::StringRef, llvm::StringRef> thinLTOPrefixReplace;
   std::string rpath;
diff --git a/lld/ELF/Driver.cpp b/lld/ELF/Driver.cpp
--- a/lld/ELF/Driver.cpp
+++ b/lld/ELF/Driver.cpp
@@ -46,6 +46,7 @@
 #include "lld/Common/Version.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringSet.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/LTO/LTO.h"
 #include "llvm/Support/CommandLine.h"
@@ -663,6 +664,13 @@
   return ICFLevel::All;
 }
 
+static StringSet<> getKeepSections(opt::InputArgList &args) {
+  StringSet<> keepSections;
+  for (StringRef arg : args::getStrings(args, OPT_keep_section))
+    keepSections.insert(arg);
+  return keepSections;
+}
+
 static StripPolicy getStrip(opt::InputArgList &args) {
   if (args.hasArg(OPT_relocatable))
     return StripPolicy::None;
@@ -951,6 +959,7 @@
   config->ignoreFunctionAddressEquality =
       args.hasArg(OPT_ignore_function_address_equality);
   config->init = args.getLastArgValue(OPT_init, "_init");
+  config->keepSections = getKeepSections(args);
   config->ltoAAPipeline = args.getLastArgValue(OPT_lto_aa_pipeline);
   config->ltoCSProfileGenerate = args.hasArg(OPT_lto_cs_profile_generate);
   config->ltoCSProfileFile = args.getLastArgValue(OPT_lto_cs_profile_file);
diff --git a/lld/ELF/MarkLive.cpp b/lld/ELF/MarkLive.cpp
--- a/lld/ELF/MarkLive.cpp
+++ b/lld/ELF/MarkLive.cpp
@@ -30,6 +30,7 @@
 #include "lld/Common/Memory.h"
 #include "lld/Common/Strings.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringSet.h"
 #include "llvm/Object/ELF.h"
 #include "llvm/Support/TimeProfiler.h"
 #include <functional>
@@ -258,7 +259,8 @@
     if (sec->flags & SHF_LINK_ORDER)
       continue;
 
-    if (isReserved(sec) || script->shouldKeep(sec)) {
+    if (isReserved(sec) || script->shouldKeep(sec) ||
+        config->keepSections.count(sec->name)) {
       enqueue(sec, 0);
     } else if (isValidCIdentifier(sec->name)) {
       cNamedSections[saver.save("__start_" + sec->name)].push_back(sec);
diff --git a/lld/ELF/Options.td b/lld/ELF/Options.td
--- a/lld/ELF/Options.td
+++ b/lld/ELF/Options.td
@@ -245,6 +245,9 @@
 
 defm just_symbols: Eq<"just-symbols", "Just link symbols">;
 
+defm keep_section: Eq<"keep-section",
+     "Do not drop this section during garbage collection">;
+
 defm keep_unique: Eq<"keep-unique", "Do not fold this symbol during ICF">;
 
 defm library: Eq<"library", "Root name of library to use">,
diff --git a/lld/test/ELF/keep-sections.s b/lld/test/ELF/keep-sections.s
new file mode 100644
--- /dev/null
+++ b/lld/test/ELF/keep-sections.s
@@ -0,0 +1,34 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
+
+# Check that the section is removed without --keep-section
+# RUN: ld.lld --gc-sections %t.o -o %t1
+# RUN: llvm-objdump --section-headers %t1 | FileCheck -check-prefix=SECGC %s
+# SECGC:      Sections:
+# SECGC-NEXT: Idx Name          Size
+# SECGC-NEXT:   0               00000000
+# SECGC-NEXT:   1 .temp         00000004
+# SECGC-NEXT:   2 .text         00000007
+
+## Now apply --keep-section to preserve the section.
+# RUN: ld.lld --gc-sections --keep-section=.keep %t.o -o %t2
+# RUN: llvm-objdump --section-headers %t2 | FileCheck -check-prefix=SECNOGC %s
+# SECNOGC:      Sections:
+# SECNOGC-NEXT: Idx Name          Size
+# SECNOGC-NEXT:   0               00000000
+# SECNOGC-NEXT:   1 .keep         00000004
+# SECNOGC-NEXT:   2 .temp         00000004
+# SECNOGC-NEXT:   3 .text         00000007
+
+
+.global _start
+_start:
+ mov temp, %eax
+
+.section .keep, "a"
+keep:
+ .long 1
+
+.section .temp, "a"
+temp:
+ .long 2