diff --git a/llvm/include/llvm/Object/XCOFFObjectFile.h b/llvm/include/llvm/Object/XCOFFObjectFile.h
--- a/llvm/include/llvm/Object/XCOFFObjectFile.h
+++ b/llvm/include/llvm/Object/XCOFFObjectFile.h
@@ -294,6 +294,7 @@
   bool isSectionText(DataRefImpl Sec) const override;
   bool isSectionData(DataRefImpl Sec) const override;
   bool isSectionBSS(DataRefImpl Sec) const override;
+  bool isDebugSection(DataRefImpl Sec) const override;
 
   bool isSectionVirtual(DataRefImpl Sec) const override;
   relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
diff --git a/llvm/lib/Object/XCOFFObjectFile.cpp b/llvm/lib/Object/XCOFFObjectFile.cpp
--- a/llvm/lib/Object/XCOFFObjectFile.cpp
+++ b/llvm/lib/Object/XCOFFObjectFile.cpp
@@ -314,6 +314,11 @@
   return Flags & (XCOFF::STYP_BSS | XCOFF::STYP_TBSS);
 }
 
+bool XCOFFObjectFile::isDebugSection(DataRefImpl Sec) const {
+  uint32_t Flags = getSectionFlags(Sec);
+  return Flags & (XCOFF::STYP_DEBUG | XCOFF::STYP_DWARF);
+}
+
 bool XCOFFObjectFile::isSectionVirtual(DataRefImpl Sec) const {
   return is64Bit() ? toSection64(Sec)->FileOffsetToRawData == 0
                    : toSection32(Sec)->FileOffsetToRawData == 0;
diff --git a/llvm/test/tools/llvm-objdump/XCOFF/Inputs/xcoff-long-sec-names.o b/llvm/test/tools/llvm-objdump/XCOFF/Inputs/xcoff-long-sec-names.o
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/llvm/test/tools/llvm-objdump/XCOFF/Inputs/xcoff-section-headers-truncate.o b/llvm/test/tools/llvm-objdump/XCOFF/Inputs/xcoff-section-headers-truncate.o
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/llvm/test/tools/llvm-objdump/XCOFF/section-headers-truncate.test b/llvm/test/tools/llvm-objdump/XCOFF/section-headers-truncate.test
--- a/llvm/test/tools/llvm-objdump/XCOFF/section-headers-truncate.test
+++ b/llvm/test/tools/llvm-objdump/XCOFF/section-headers-truncate.test
@@ -0,0 +1,15 @@
+## Truncate the file to end before the section header table ends.
+# RUN: yaml2obj %s -o %t.o
+# RUN: %python -c "with open('%/t.o', 'r+b') as input: input.truncate(24)"
+# RUN: not llvm-objdump --section-headers %t.o 2>&1 \
+# RUN:  | FileCheck --check-prefix=ERROR %s
+
+# ERROR: The end of the file was unexpectedly encountered
+
+--- !XCOFF
+FileHeader:
+  MagicNumber:          0x1DF
+Sections:
+  - Name:               .text
+    Size:               0x8
+    Flags:              [ STYP_TEXT ]
diff --git a/llvm/test/tools/llvm-objdump/XCOFF/section-headers.test b/llvm/test/tools/llvm-objdump/XCOFF/section-headers.test
--- a/llvm/test/tools/llvm-objdump/XCOFF/section-headers.test
+++ b/llvm/test/tools/llvm-objdump/XCOFF/section-headers.test
@@ -1,43 +1,71 @@
-# RUN: llvm-objdump --section-headers %p/Inputs/xcoff-section-headers.o | \
-# RUN: FileCheck %s
-
-# RUN: llvm-objdump --section-headers %p/Inputs/xcoff-long-sec-names.o | \
-# RUN: FileCheck --check-prefix=LONG %s
-
-# RUN: not llvm-objdump --section-headers 2>&1 \
-# RUN: %p/Inputs/xcoff-section-headers-truncate.o | FileCheck \
-# RUN: --check-prefix=ERROR %s
-
-# ERROR: The end of the file was unexpectedly encountered
-
-# CHECK: xcoff-section-headers.o:      file format aixcoff-rs6000
-# CHECK: Sections:
-# CHECK: Idx Name          Size     VMA      Type
-# CHECK:   0 .text         00000080 00000000 TEXT
-# CHECK:   1 .data         00000024 00000080 DATA
-# CHECK:   2 .bss          00000004 000000a4 BSS
-# CHECK:   3 .tdata        00000008 00000000 DATA
-# CHECK:   4 .tbss         00000004 00000008 BSS
-
-# xcoff-section-headers.o Compiled with IBM XL C/C++ for AIX, V16.1.0
-# test.c:
-# int a;
-# int b = 12345;
-# __thread int c;
-# __thread double d = 3.14159;
-#
-# int func(void)  {
-#   return a;
-# }
-
-# LONG: xcoff-long-sec-names.o:      file format aixcoff-rs6000
-# LONG: Sections:
-# LONG: Idx Name          Size     VMA      Type
-# LONG:   0 .dwarnge      00000004 00000000
-# LONG:   1 .dwpbnms      00000004 00000000
-# LONG:   2 .dwpbtyp      00000004 00000000
-
-# xcoff-long-sec-names.o was generated by assembling the following .s file:
-#  .dwsect 0x30000 # .dwpbnms section
-#  .dwsect 0x40000 # .dwpbtyp section
-#  .dwsect 0x50000 # .dwarnge section
+## Test various details of llvm-objdump -h/--section-headers for XCOFF.
+
+## Check the `--section-headers/-h` prints the type of sections correctly.
+
+# RUN: yaml2obj %s --docnum=1 -o %t-type.o
+# RUN: llvm-objdump --section-headers %t-type.o | FileCheck %s
+
+# CHECK:      Sections:
+# CHECK-NEXT: Idx Name          Size     VMA      Type
+# CHECK-NEXT:   0 .text         00000008 00000008 TEXT
+# CHECK-NEXT:   1 .data         00000004 00000000 DATA
+# CHECK-NEXT:   2 .bss          00000000 00000010 BSS
+# CHECK-NEXT:   3 .tdata        00000004 00000000 DATA
+# CHECK-NEXT:   4 .tbss         00000000 00000000 BSS
+# CHECK-NEXT:   5 .dwline       00000046 00000000 DEBUG
+# CHECK-NEXT:   6 .dwinfo       00000046 00000000 DEBUG
+
+--- !XCOFF
+FileHeader:
+  MagicNumber:          0x1DF
+Sections:
+  - Name:               .text
+    Address:            0x8
+    Size:               0x8
+    Flags:              [ STYP_TEXT ]
+  - Name:               .data
+    Size:               0x4
+    Flags:              [ STYP_DATA ]
+  - Name:               .bss
+    Address:            0x20
+    Size:               0x0
+    Address:            0x10
+    Flags:              [ STYP_BSS ]
+  - Name:               .tdata
+    Size:               0x4
+    Flags:              [ STYP_TDATA ]
+  - Name:               .tbss
+    Size:               0x0
+    Flags:              [ STYP_TBSS ]
+  - Name:               .dwline
+    Size:               0x46
+    Flags:              [ STYP_DWARF ]
+  - Name:               .dwinfo
+    Size:               0x46
+    Flags:              [ STYP_DEBUG ]
+
+## Check the `--section-headers/-h` option prints long section names.
+
+# RUN: yaml2obj %s --docnum=2 -o %t-longname.o
+# RUN: llvm-objdump --section-headers %t-longname.o \
+# RUN:   | FileCheck %s --check-prefix=LONG
+
+# LONG:      Sections:
+# LONG-NEXT: Idx Name          Size     VMA      Type
+# LONG-NEXT:   0 .dwarnge      00000004 00000000 
+# LONG-NEXT:   1 .dwpbnms      00000004 00000000 
+# LONG-NEXT:   2 .dwpbtyp      00000004 00000000 
+
+--- !XCOFF
+FileHeader:
+  MagicNumber:          0x1DF
+Sections:
+  - Name:               .dwarnge
+    Size:               0x4
+    Flags:              [ STYP_PAD ]
+  - Name:               .dwpbnms
+    Size:               0x4
+    Flags:              [ STYP_PAD ]
+  - Name:               .dwpbtyp
+    Size:               0x4
+    Flags:              [ STYP_PAD ]