Index: lld/ELF/MapFile.cpp
===================================================================
--- lld/ELF/MapFile.cpp
+++ lld/ELF/MapFile.cpp
@@ -11,13 +11,12 @@
 // hierarchically the output sections, input sections, input files and
 // symbol:
 //
-// Address  Size     Align Out     In      File    Symbol
+// Address  Size     Align Out     In      Symbol
 // =================================================================
 // 00201000 00000015     4 .text
-// 00201000 0000000e     4         .text
-// 00201000 0000000e     4                 test.o
-// 0020100e 00000000     0                         local
-// 00201005 00000000     0                         f(int)
+// 00201000 0000000e     4         test.o:.text
+// 0020100e 00000000     0                 local
+// 00201005 00000000     0                 f(int)
 //
 //===----------------------------------------------------------------------===//
 
@@ -42,8 +41,7 @@
   void print(raw_ostream &OS, ArrayRef<OutputSection *> OutputSections);
 
 private:
-  void writeInputSection(raw_ostream &OS, const InputSection *IS,
-                         StringRef &CurSection);
+  void writeInputSection(raw_ostream &OS, const InputSection *IS);
 
   // Maps sections to their symbols.
   DenseMap<const SectionBase *, SmallVector<DefinedRegular *, 4>> Symbols;
@@ -98,7 +96,7 @@
     raw_string_ostream OS(Str[I]);
     writeHeader<ELFT>(OS, Syms[I]->getVA(), Syms[I]->template getSize<ELFT>(),
                       0);
-    OS << indent(3) << toString(*Syms[I]) << '\n';
+    OS << indent(2) << toString(*Syms[I]) << '\n';
   });
   for (size_t I = 0, E = Syms.size(); I < E; ++I)
     SymStr[Syms[I]] = std::move(Str[I]);
@@ -106,33 +104,11 @@
 
 template <class ELFT>
 void PrettyPrinter<ELFT>::writeInputSection(raw_ostream &OS,
-                                            const InputSection *IS,
-                                            StringRef &CurSection) {
-  // We want to print out a line like
-  //
-  //   Address  Size     Align Out     In      File    Symbol
-  //   =================================================================
-  //   00201000 00000015     4 .text
-  //   00201000 0000000e     4         .text             <----- THIS
-  //   00201000 0000000e     4                 test.o
-  //
-  // once for each new input section.
-  if (IS->Name != CurSection) {
-    writeHeader<ELFT>(OS, IS->OutSec->Addr + IS->OutSecOff, IS->getSize(),
-                      IS->Alignment);
-    OS << indent(1) << IS->Name << '\n';
-    CurSection = IS->Name;
-  }
-
+                                            const InputSection *IS) {
   // Write a line for each symbol defined in the given section.
-  elf::ObjectFile<ELFT> *File = IS->template getFile<ELFT>();
-  if (!File)
-    return;
-
   writeHeader<ELFT>(OS, IS->OutSec->Addr + IS->OutSecOff, IS->getSize(),
                     IS->Alignment);
-  OS << indent(2) << toString(File) << '\n';
-
+  OS << indent(1) << toString(IS) << '\n';
   for (DefinedRegular *Sym : Symbols[IS])
     OS << SymStr[Sym];
 }
@@ -149,10 +125,8 @@
   for (OutputSection *Sec : OutputSections) {
     writeHeader<ELFT>(OS, Sec->Addr, Sec->Size, Sec->Alignment);
     OS << Sec->Name << '\n';
-
-    StringRef CurSection;
     for (InputSection *IS : Sec->Sections)
-      writeInputSection(OS, IS, CurSection);
+      writeInputSection(OS, IS);
   }
 }
 
Index: lld/test/ELF/map-file.s
===================================================================
--- lld/test/ELF/map-file.s
+++ lld/test/ELF/map-file.s
@@ -28,34 +28,31 @@
 
 // CHECK:      Address          Size             Align Out     In      File    Symbol
 // CHECK-NEXT: 0000000000200158 0000000000000030     8 .eh_frame
-// CHECK-NEXT: 0000000000200158 0000000000000030     8         .eh_frame
+// CHECK-NEXT: 0000000000200158 0000000000000030     8         <internal>:(.eh_frame)
 // CHECK-NEXT: 0000000000201000 0000000000000015     4 .text
-// CHECK-NEXT: 0000000000201000 000000000000000e     4         .text
-// CHECK-NEXT: 0000000000201000 000000000000000e     4                 {{.*}}{{/|\\}}map-file.s.tmp1.o
-// CHECK-NEXT: 0000000000201000 0000000000000000     0                         _start
-// CHECK-NEXT: 0000000000201005 0000000000000000     0                         f(int)
-// CHECK-NEXT: 000000000020100e 0000000000000000     0                         local
-// CHECK-NEXT: 0000000000201010 0000000000000002     4                 {{.*}}{{/|\\}}map-file.s.tmp2.o
-// CHECK-NEXT: 0000000000201010 0000000000000000     0                         foo
-// CHECK-NEXT: 0000000000201011 0000000000000000     0                         bar
-// CHECK-NEXT: 0000000000201012 0000000000000000     1         .text.zed
-// CHECK-NEXT: 0000000000201012 0000000000000000     1                 {{.*}}{{/|\\}}map-file.s.tmp2.o
-// CHECK-NEXT: 0000000000201012 0000000000000000     0                         zed
-// CHECK-NEXT: 0000000000201014 0000000000000000     4         .text
-// CHECK-NEXT: 0000000000201014 0000000000000000     4                 {{.*}}{{/|\\}}map-file.s.tmp3.o
-// CHECK-NEXT: 0000000000201014 0000000000000000     0                         bah
-// CHECK-NEXT: 0000000000201014 0000000000000001     4                 {{.*}}{{/|\\}}map-file.s.tmp4.a(map-file.s.tmp4.o)
-// CHECK-NEXT: 0000000000201014 0000000000000000     0                         baz
+// CHECK-NEXT: 0000000000201000 000000000000000e     4         {{.*}}{{/|\\}}map-file.s.tmp1.o:(.text)
+// CHECK-NEXT: 0000000000201000 0000000000000000     0                 _start
+// CHECK-NEXT: 0000000000201005 0000000000000000     0                 f(int)
+// CHECK-NEXT: 000000000020100e 0000000000000000     0                 local
+// CHECK-NEXT: 0000000000201010 0000000000000002     4         {{.*}}{{/|\\}}map-file.s.tmp2.o:(.text)
+// CHECK-NEXT: 0000000000201010 0000000000000000     0                 foo
+// CHECK-NEXT: 0000000000201011 0000000000000000     0                 bar
+// CHECK-NEXT: 0000000000201012 0000000000000000     1         {{.*}}{{/|\\}}map-file.s.tmp2.o:(.text.zed)
+// CHECK-NEXT: 0000000000201012 0000000000000000     0                 zed
+// CHECK-NEXT: 0000000000201014 0000000000000000     4         {{.*}}{{/|\\}}map-file.s.tmp3.o:(.text)
+// CHECK-NEXT: 0000000000201014 0000000000000000     0                 bah
+// CHECK-NEXT: 0000000000201014 0000000000000001     4         {{.*}}{{/|\\}}map-file.s.tmp4.a(map-file.s.tmp4.o):(.text)
+// CHECK-NEXT: 0000000000201014 0000000000000000     0                 baz
 // CHECK-NEXT: 0000000000202000 0000000000000004    16 .bss
-// CHECK-NEXT: 0000000000202000 0000000000000004    16         COMMON
+// CHECK-NEXT: 0000000000202000 0000000000000004    16         <internal>:(COMMON)
 // CHECK-NEXT: 0000000000000000 0000000000000008     1 .comment
-// CHECK-NEXT: 0000000000000000 0000000000000008     1         .comment
+// CHECK-NEXT: 0000000000000000 0000000000000008     1         <internal>:(.comment)
 // CHECK-NEXT: 0000000000000000 00000000000000f0     8 .symtab
-// CHECK-NEXT: 0000000000000000 00000000000000f0     8         .symtab
+// CHECK-NEXT: 0000000000000000 00000000000000f0     8         <internal>:(.symtab)
 // CHECK-NEXT: 0000000000000000 0000000000000039     1 .shstrtab
-// CHECK-NEXT: 0000000000000000 0000000000000039     1         .shstrtab
+// CHECK-NEXT: 0000000000000000 0000000000000039     1         <internal>:(.shstrtab)
 // CHECK-NEXT: 0000000000000000 000000000000002f     1 .strtab
-// CHECK-NEXT: 0000000000000000 000000000000002f     1         .strtab
+// CHECK-NEXT: 0000000000000000 000000000000002f     1         <internal>:(.strtab)
 
 // RUN: not ld.lld %t1.o %t2.o %t3.o %t4.a -o %t -Map=/ 2>&1 \
 // RUN:  | FileCheck -check-prefix=FAIL %s