Index: llvm/include/llvm/Object/ELFObjectFile.h
===================================================================
--- llvm/include/llvm/Object/ELFObjectFile.h
+++ llvm/include/llvm/Object/ELFObjectFile.h
@@ -56,6 +56,7 @@
 
   virtual uint16_t getEMachine() const = 0;
   virtual uint64_t getSymbolSize(DataRefImpl Symb) const = 0;
+  virtual uint8_t getSymbolBinding(DataRefImpl Symb) const = 0;
   virtual uint8_t getSymbolOther(DataRefImpl Symb) const = 0;
   virtual uint8_t getSymbolELFType(DataRefImpl Symb) const = 0;
 
@@ -145,6 +146,10 @@
     return getObject()->getSymbolSize(getRawDataRefImpl());
   }
 
+  uint8_t getBinding() const {
+    return getObject()->getSymbolBinding(getRawDataRefImpl());
+  }
+
   uint8_t getOther() const {
     return getObject()->getSymbolOther(getRawDataRefImpl());
   }
@@ -252,6 +257,7 @@
   uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
   uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const override;
   uint32_t getSymbolFlags(DataRefImpl Symb) const override;
+  uint8_t getSymbolBinding(DataRefImpl Symb) const override;
   uint8_t getSymbolOther(DataRefImpl Symb) const override;
   uint8_t getSymbolELFType(DataRefImpl Symb) const override;
   Expected<SymbolRef::Type> getSymbolType(DataRefImpl Symb) const override;
@@ -554,6 +560,11 @@
 }
 
 template <class ELFT>
+uint8_t ELFObjectFile<ELFT>::getSymbolBinding(DataRefImpl Symb) const {
+  return getSymbol(Symb)->getBinding();
+}
+
+template <class ELFT>
 uint8_t ELFObjectFile<ELFT>::getSymbolOther(DataRefImpl Symb) const {
   return getSymbol(Symb)->st_other;
 }
Index: llvm/test/tools/llvm-nm/X86/unique_alloc.test
===================================================================
--- /dev/null
+++ llvm/test/tools/llvm-nm/X86/unique_alloc.test
@@ -0,0 +1,20 @@
+## Check that we print 'u' for unique symbols.
+# RUN: yaml2obj < %s | llvm-nm - | FileCheck %s
+
+--- !ELF
+FileHeader:      
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_X86_64
+Sections:        
+  - Name:  .data
+    Type:  SHT_PROGBITS
+    Flags: [SHF_ALLOC]
+Symbols:         
+  - Name:    foo
+    Section: .data
+    Binding: STB_GNU_UNIQUE
+...
+
+# CHECK: 0000000000000000 u foo
Index: llvm/test/tools/llvm-nm/X86/unique_alloc_write.test
===================================================================
--- /dev/null
+++ llvm/test/tools/llvm-nm/X86/unique_alloc_write.test
@@ -0,0 +1,20 @@
+## Check that we print 'u' for unique symbols.
+# RUN: yaml2obj < %s | llvm-nm - | FileCheck %s
+
+--- !ELF
+FileHeader:      
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_X86_64
+Sections:        
+  - Name:  .data
+    Type:  SHT_PROGBITS
+    Flags: [SHF_ALLOC, SHF_WRITE]
+Symbols:         
+  - Name:    foo
+    Section: .data
+    Binding: STB_GNU_UNIQUE
+...
+
+# CHECK: 0000000000000000 u foo
Index: llvm/test/tools/llvm-nm/X86/unique_execinstr.test
===================================================================
--- /dev/null
+++ llvm/test/tools/llvm-nm/X86/unique_execinstr.test
@@ -0,0 +1,20 @@
+## Check that we print 'u' for unique symbols.
+# RUN: yaml2obj < %s | llvm-nm - | FileCheck %s
+
+--- !ELF
+FileHeader:      
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_X86_64
+Sections:        
+  - Name:  .data
+    Type:  SHT_PROGBITS
+    Flags: [SHF_EXECINSTR]
+Symbols:         
+  - Name:    foo
+    Section: .data
+    Binding: STB_GNU_UNIQUE
+...
+
+# CHECK: 0000000000000000 u foo
Index: llvm/test/tools/llvm-nm/X86/unique_nobits.test
===================================================================
--- /dev/null
+++ llvm/test/tools/llvm-nm/X86/unique_nobits.test
@@ -0,0 +1,19 @@
+## Check that we print 'u' for unique symbols.
+# RUN: yaml2obj < %s | llvm-nm - | FileCheck %s
+
+--- !ELF
+FileHeader:      
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_X86_64
+Sections:        
+  - Name:  .data
+    Type:  SHT_NOBITS
+Symbols:         
+  - Name:    foo
+    Section: .data
+    Binding: STB_GNU_UNIQUE
+...
+
+# CHECK: 0000000000000000 u foo
Index: llvm/test/tools/llvm-nm/X86/unique_progbits.test
===================================================================
--- /dev/null
+++ llvm/test/tools/llvm-nm/X86/unique_progbits.test
@@ -0,0 +1,19 @@
+## Check that we print 'u' for unique symbols.
+# RUN: yaml2obj < %s | llvm-nm - | FileCheck %s
+
+--- !ELF
+FileHeader:      
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_X86_64
+Sections:        
+  - Name:  .data
+    Type:  SHT_PROGBITS
+Symbols:         
+  - Name:    foo
+    Section: .data
+    Binding: STB_GNU_UNIQUE
+...
+
+# CHECK: 0000000000000000 u foo
Index: llvm/tools/llvm-nm/llvm-nm.cpp
===================================================================
--- llvm/tools/llvm-nm/llvm-nm.cpp
+++ llvm/tools/llvm-nm/llvm-nm.cpp
@@ -903,6 +903,9 @@
   if (SecI != Obj.section_end()) {
     uint32_t Type = SecI->getType();
     uint64_t Flags = SecI->getFlags();
+    uint8_t Binding = SymI->getBinding();
+    if (Binding == ELF::STB_GNU_UNIQUE)
+      return 'u';
     if (Flags & ELF::SHF_EXECINSTR)
       return 't';
     if (Type == ELF::SHT_NOBITS)
@@ -1124,10 +1127,13 @@
   else
     Ret = getSymbolNMTypeChar(cast<ELFObjectFileBase>(Obj), I);
 
-  if (Symflags & object::SymbolRef::SF_Global)
-    Ret = toupper(Ret);
+  if (!(Symflags & object::SymbolRef::SF_Global))
+    return Ret;
+
+  if (Obj.isELF() && ELFSymbolRef(*I).getBinding() == ELF::STB_GNU_UNIQUE)
+    return Ret;
 
-  return Ret;
+  return toupper(Ret);
 }
 
 // getNsectForSegSect() is used to implement the Mach-O "-s segname sectname"