At Jim Grosbach's request detemplate Object/MachO.h.

We are still able to handle mixed endian objects by swapping one struct at a
time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179778 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 487 insertions, 0 deletions

diff --git a/test/tools/llvm-readobj/Inputs/trivial.obj.macho-arm b/test/tools/llvm-readobj/Inputs/trivial.obj.macho-arm
new file mode 100644
index 0000000000..117df9efc1
--- /dev/null
+++ b/test/tools/llvm-readobj/Inputs/trivial.obj.macho-arm
diff --git a/test/tools/llvm-readobj/relocations.test b/test/tools/llvm-readobj/relocations.test
index 6dc08eeb06..c23a7fe5bb 100644
--- a/test/tools/llvm-readobj/relocations.test
+++ b/test/tools/llvm-readobj/relocations.test
@@ -10,6 +10,8 @@ RUN: llvm-readobj -r %p/Inputs/trivial.obj.macho-ppc \
 RUN:   | FileCheck %s -check-prefix MACHO-PPC
 RUN: llvm-readobj -r %p/Inputs/trivial.obj.macho-ppc64 \
 RUN:   | FileCheck %s -check-prefix MACHO-PPC64
+RUN: llvm-readobj -r -expand-relocs %p/Inputs/trivial.obj.macho-arm \
+RUN:   | FileCheck %s -check-prefix MACHO-ARM
 
 COFF:      Relocations [
 COFF-NEXT:   Section (1) .text {
@@ -82,3 +84,90 @@ MACHO-PPC64-NEXT:   Section __la_symbol_ptr {
 MACHO-PPC64-NEXT:     0x0 0 3 1 0 dyld_stub_binding_helper
 MACHO-PPC64-NEXT:   }
 MACHO-PPC64-NEXT: ]
+
+
+MACHO-ARM:       Relocations [
+MACHO-ARM-NEXT:    Section __text {
+MACHO-ARM-NEXT:      Relocation {
+MACHO-ARM-NEXT:        Offset: 0x38
+MACHO-ARM-NEXT:        PCRel: 0
+MACHO-ARM-NEXT:        Length: 2
+MACHO-ARM-NEXT:        Extern: N/A
+MACHO-ARM-NEXT:        Type: ARM_RELOC_SECTDIFF (2)
+MACHO-ARM-NEXT:        Symbol: _b
+MACHO-ARM-NEXT:        Scattered: 1
+MACHO-ARM-NEXT:      }
+MACHO-ARM-NEXT:      Relocation {
+MACHO-ARM-NEXT:        Offset: 0x0
+MACHO-ARM-NEXT:        PCRel: 0
+MACHO-ARM-NEXT:        Length: 2
+MACHO-ARM-NEXT:        Extern: N/A
+MACHO-ARM-NEXT:        Type: ARM_RELOC_PAIR (1)
+MACHO-ARM-NEXT:        Symbol: _b
+MACHO-ARM-NEXT:        Scattered: 1
+MACHO-ARM-NEXT:      }
+MACHO-ARM-NEXT:      Relocation {
+MACHO-ARM-NEXT:        Offset: 0x20
+MACHO-ARM-NEXT:        PCRel: 1
+MACHO-ARM-NEXT:        Length: 2
+MACHO-ARM-NEXT:        Extern: 1
+MACHO-ARM-NEXT:        Type: ARM_RELOC_BR24 (5)
+MACHO-ARM-NEXT:        Symbol: _g
+MACHO-ARM-NEXT:        Scattered: 0
+MACHO-ARM-NEXT:      }
+MACHO-ARM-NEXT:      Relocation {
+MACHO-ARM-NEXT:        Offset: 0x1C
+MACHO-ARM-NEXT:        PCRel: 0
+MACHO-ARM-NEXT:        Length: 1
+MACHO-ARM-NEXT:        Extern: 1
+MACHO-ARM-NEXT:        Type: ARM_RELOC_HALF (8)
+MACHO-ARM-NEXT:        Symbol: _g
+MACHO-ARM-NEXT:        Scattered: 0
+MACHO-ARM-NEXT:      }
+MACHO-ARM-NEXT:      Relocation {
+MACHO-ARM-NEXT:        Offset: 0x0
+MACHO-ARM-NEXT:        PCRel: 0
+MACHO-ARM-NEXT:        Length: 1
+MACHO-ARM-NEXT:        Extern: 0
+MACHO-ARM-NEXT:        Type: ARM_RELOC_PAIR (1)
+MACHO-ARM-NEXT:        Symbol: _b
+MACHO-ARM-NEXT:        Scattered: 0
+MACHO-ARM-NEXT:      }
+MACHO-ARM-NEXT:      Relocation {
+MACHO-ARM-NEXT:        Offset: 0x18
+MACHO-ARM-NEXT:        PCRel: 0
+MACHO-ARM-NEXT:        Length: 0
+MACHO-ARM-NEXT:        Extern: 1
+MACHO-ARM-NEXT:        Type: ARM_RELOC_HALF (8)
+MACHO-ARM-NEXT:        Symbol: _g
+MACHO-ARM-NEXT:        Scattered: 0
+MACHO-ARM-NEXT:      }
+MACHO-ARM-NEXT:      Relocation {
+MACHO-ARM-NEXT:        Offset: 0x0
+MACHO-ARM-NEXT:        PCRel: 0
+MACHO-ARM-NEXT:        Length: 0
+MACHO-ARM-NEXT:        Extern: 0
+MACHO-ARM-NEXT:        Type: ARM_RELOC_PAIR (1)
+MACHO-ARM-NEXT:        Symbol: _b
+MACHO-ARM-NEXT:        Scattered: 0
+MACHO-ARM-NEXT:      }
+MACHO-ARM-NEXT:      Relocation {
+MACHO-ARM-NEXT:        Offset: 0xC
+MACHO-ARM-NEXT:        PCRel: 0
+MACHO-ARM-NEXT:        Length: 2
+MACHO-ARM-NEXT:        Extern: N/A
+MACHO-ARM-NEXT:        Type: ARM_RELOC_SECTDIFF (2)
+MACHO-ARM-NEXT:        Symbol: _b
+MACHO-ARM-NEXT:        Scattered: 1
+MACHO-ARM-NEXT:      }
+MACHO-ARM-NEXT:      Relocation {
+MACHO-ARM-NEXT:        Offset: 0x0
+MACHO-ARM-NEXT:        PCRel: 0
+MACHO-ARM-NEXT:        Length: 2
+MACHO-ARM-NEXT:        Extern: N/A
+MACHO-ARM-NEXT:        Type: ARM_RELOC_PAIR (1)
+MACHO-ARM-NEXT:        Symbol: _b
+MACHO-ARM-NEXT:        Scattered: 1
+MACHO-ARM-NEXT:      }
+MACHO-ARM-NEXT:    }
+MACHO-ARM-NEXT:  ]
diff --git a/test/tools/llvm-readobj/sections-ext.test b/test/tools/llvm-readobj/sections-ext.test
index 3e42ab94fe..526ddfe82c 100644
--- a/test/tools/llvm-readobj/sections-ext.test
+++ b/test/tools/llvm-readobj/sections-ext.test
@@ -10,6 +10,8 @@ RUN: llvm-readobj -s -st -sr -sd %p/Inputs/trivial.obj.macho-ppc \
 RUN:   | FileCheck %s -check-prefix MACHO-PPC
 RUN: llvm-readobj -s -st -sr -sd %p/Inputs/trivial.obj.macho-ppc64 \
 RUN:   | FileCheck %s -check-prefix MACHO-PPC64
+RUN: llvm-readobj -expand-relocs -s -st -sr -sd %p/Inputs/trivial.obj.macho-arm \
+RUN:   | FileCheck %s -check-prefix MACHO-ARM
 
 COFF:      Sections [
 COFF-NEXT:   Section {
@@ -562,3 +564,278 @@ MACHO-PPC64-NEXT:       0000: 00000000 00000000                    |........|
 MACHO-PPC64-NEXT:     )
 MACHO-PPC64-NEXT:   }
 MACHO-PPC64-NEXT: ]
+
+MACHO-ARM:      Sections [
+MACHO-ARM-NEXT:   Section {
+MACHO-ARM-NEXT:     Index: 0
+MACHO-ARM-NEXT:     Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:     Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:     Address: 0x0
+MACHO-ARM-NEXT:     Size: 0x3C
+MACHO-ARM-NEXT:     Offset: 664
+MACHO-ARM-NEXT:     Alignment: 2
+MACHO-ARM-NEXT:     RelocationOffset: 0x2E0
+MACHO-ARM-NEXT:     RelocationCount: 9
+MACHO-ARM-NEXT:     Type: 0x0
+MACHO-ARM-NEXT:     Attributes [ (0x800004)
+MACHO-ARM-NEXT:       PureInstructions (0x800000)
+MACHO-ARM-NEXT:       SomeInstructions (0x4)
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Reserved1: 0x0
+MACHO-ARM-NEXT:     Reserved2: 0x0
+MACHO-ARM-NEXT:     Relocations [
+MACHO-ARM-NEXT:       Relocation {
+MACHO-ARM-NEXT:         Offset: 0x38
+MACHO-ARM-NEXT:         PCRel: 0
+MACHO-ARM-NEXT:         Length: 2
+MACHO-ARM-NEXT:         Extern: N/A
+MACHO-ARM-NEXT:         Type: ARM_RELOC_SECTDIFF (2)
+MACHO-ARM-NEXT:         Symbol: _b
+MACHO-ARM-NEXT:         Scattered: 1
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:       Relocation {
+MACHO-ARM-NEXT:         Offset: 0x0
+MACHO-ARM-NEXT:         PCRel: 0
+MACHO-ARM-NEXT:         Length: 2
+MACHO-ARM-NEXT:         Extern: N/A
+MACHO-ARM-NEXT:         Type: ARM_RELOC_PAIR (1)
+MACHO-ARM-NEXT:         Symbol: _b
+MACHO-ARM-NEXT:         Scattered: 1
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:       Relocation {
+MACHO-ARM-NEXT:         Offset: 0x20
+MACHO-ARM-NEXT:         PCRel: 1
+MACHO-ARM-NEXT:         Length: 2
+MACHO-ARM-NEXT:         Extern: 1
+MACHO-ARM-NEXT:         Type: ARM_RELOC_BR24 (5)
+MACHO-ARM-NEXT:         Symbol: _g
+MACHO-ARM-NEXT:         Scattered: 0
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:       Relocation {
+MACHO-ARM-NEXT:         Offset: 0x1C
+MACHO-ARM-NEXT:         PCRel: 0
+MACHO-ARM-NEXT:         Length: 1
+MACHO-ARM-NEXT:         Extern: 1
+MACHO-ARM-NEXT:         Type: ARM_RELOC_HALF (8)
+MACHO-ARM-NEXT:         Symbol: _g
+MACHO-ARM-NEXT:         Scattered: 0
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:       Relocation {
+MACHO-ARM-NEXT:         Offset: 0x0
+MACHO-ARM-NEXT:         PCRel: 0
+MACHO-ARM-NEXT:         Length: 1
+MACHO-ARM-NEXT:         Extern: 0
+MACHO-ARM-NEXT:         Type: ARM_RELOC_PAIR (1)
+MACHO-ARM-NEXT:         Symbol: _b
+MACHO-ARM-NEXT:         Scattered: 0
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:       Relocation {
+MACHO-ARM-NEXT:         Offset: 0x18
+MACHO-ARM-NEXT:         PCRel: 0
+MACHO-ARM-NEXT:         Length: 0
+MACHO-ARM-NEXT:         Extern: 1
+MACHO-ARM-NEXT:         Type: ARM_RELOC_HALF (8)
+MACHO-ARM-NEXT:         Symbol: _g
+MACHO-ARM-NEXT:         Scattered: 0
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:       Relocation {
+MACHO-ARM-NEXT:         Offset: 0x0
+MACHO-ARM-NEXT:         PCRel: 0
+MACHO-ARM-NEXT:         Length: 0
+MACHO-ARM-NEXT:         Extern: 0
+MACHO-ARM-NEXT:         Type: ARM_RELOC_PAIR (1)
+MACHO-ARM-NEXT:         Symbol: _b
+MACHO-ARM-NEXT:         Scattered: 0
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:       Relocation {
+MACHO-ARM-NEXT:         Offset: 0xC
+MACHO-ARM-NEXT:         PCRel: 0
+MACHO-ARM-NEXT:         Length: 2
+MACHO-ARM-NEXT:         Extern: N/A
+MACHO-ARM-NEXT:         Type: ARM_RELOC_SECTDIFF (2)
+MACHO-ARM-NEXT:         Symbol: _b
+MACHO-ARM-NEXT:         Scattered: 1
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:       Relocation {
+MACHO-ARM-NEXT:         Offset: 0x0
+MACHO-ARM-NEXT:         PCRel: 0
+MACHO-ARM-NEXT:         Length: 2
+MACHO-ARM-NEXT:         Extern: N/A
+MACHO-ARM-NEXT:         Type: ARM_RELOC_PAIR (1)
+MACHO-ARM-NEXT:         Symbol: _b
+MACHO-ARM-NEXT:         Scattered: 1
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Symbols [
+MACHO-ARM-NEXT:       Symbol {
+MACHO-ARM-NEXT:         Name: _f (4)
+MACHO-ARM-NEXT:         Type: 0xF
+MACHO-ARM-NEXT:         Section: __text (0x1)
+MACHO-ARM-NEXT:         RefType: UndefinedNonLazy (0x0)
+MACHO-ARM-NEXT:         Flags [ (0x0)
+MACHO-ARM-NEXT:         ]
+MACHO-ARM-NEXT:         Value: 0x10
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:       Symbol {
+MACHO-ARM-NEXT:         Name: _h (1)
+MACHO-ARM-NEXT:         Type: 0xF
+MACHO-ARM-NEXT:         Section: __text (0x1)
+MACHO-ARM-NEXT:         RefType: UndefinedNonLazy (0x0)
+MACHO-ARM-NEXT:         Flags [ (0x0)
+MACHO-ARM-NEXT:         ]
+MACHO-ARM-NEXT:         Value: 0x0
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     SectionData (
+MACHO-ARM-NEXT:       0000: 04009FE5 00009FE7 1EFF2FE1 38000000  |........../.8...|
+MACHO-ARM-NEXT:       0010: 80402DE9 0D70A0E1 000000E3 000040E3  |.@-..p........@.|
+MACHO-ARM-NEXT:       0020: F6FFFFEB 0C009FE5 00009FE7 000090E5  |................|
+MACHO-ARM-NEXT:       0030: 8040BDE8 1EFF2FE1 10000000           |.@..../.....|
+MACHO-ARM-NEXT:     )
+MACHO-ARM-NEXT:   }
+MACHO-ARM-NEXT:   Section {
+MACHO-ARM-NEXT:     Index: 1
+MACHO-ARM-NEXT:     Name: __textcoal_nt (5F 5F 74 65 78 74 63 6F 61 6C 5F 6E 74 00 00 00)
+MACHO-ARM-NEXT:     Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:     Address: 0x3C
+MACHO-ARM-NEXT:     Size: 0x0
+MACHO-ARM-NEXT:     Offset: 724
+MACHO-ARM-NEXT:     Alignment: 0
+MACHO-ARM-NEXT:     RelocationOffset: 0x0
+MACHO-ARM-NEXT:     RelocationCount: 0
+MACHO-ARM-NEXT:     Type: 0xB
+MACHO-ARM-NEXT:     Attributes [ (0x800000)
+MACHO-ARM-NEXT:       PureInstructions (0x800000)
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Reserved1: 0x0
+MACHO-ARM-NEXT:     Reserved2: 0x0
+MACHO-ARM-NEXT:     Relocations [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Symbols [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     SectionData (
+MACHO-ARM-NEXT:     )
+MACHO-ARM-NEXT:   }
+MACHO-ARM-NEXT:   Section {
+MACHO-ARM-NEXT:     Index: 2
+MACHO-ARM-NEXT:     Name: __const_coal (5F 5F 63 6F 6E 73 74 5F 63 6F 61 6C 00 00 00 00)
+MACHO-ARM-NEXT:     Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:     Address: 0x3C
+MACHO-ARM-NEXT:     Size: 0x0
+MACHO-ARM-NEXT:     Offset: 724
+MACHO-ARM-NEXT:     Alignment: 0
+MACHO-ARM-NEXT:     RelocationOffset: 0x0
+MACHO-ARM-NEXT:     RelocationCount: 0
+MACHO-ARM-NEXT:     Type: 0xB
+MACHO-ARM-NEXT:     Attributes [ (0x0)
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Reserved1: 0x0
+MACHO-ARM-NEXT:     Reserved2: 0x0
+MACHO-ARM-NEXT:     Relocations [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Symbols [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     SectionData (
+MACHO-ARM-NEXT:     )
+MACHO-ARM-NEXT:   }
+MACHO-ARM-NEXT:   Section {
+MACHO-ARM-NEXT:     Index: 3
+MACHO-ARM-NEXT:     Name: __picsymbolstub4 (5F 5F 70 69 63 73 79 6D 62 6F 6C 73 74 75 62 34)
+MACHO-ARM-NEXT:     Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:     Address: 0x3C
+MACHO-ARM-NEXT:     Size: 0x0
+MACHO-ARM-NEXT:     Offset: 724
+MACHO-ARM-NEXT:     Alignment: 0
+MACHO-ARM-NEXT:     RelocationOffset: 0x0
+MACHO-ARM-NEXT:     RelocationCount: 0
+MACHO-ARM-NEXT:     Type: 0x8
+MACHO-ARM-NEXT:     Attributes [ (0x0)
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Reserved1: 0x0
+MACHO-ARM-NEXT:     Reserved2: 0x10
+MACHO-ARM-NEXT:     Relocations [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Symbols [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     SectionData (
+MACHO-ARM-NEXT:     )
+MACHO-ARM-NEXT:   }
+MACHO-ARM-NEXT:   Section {
+MACHO-ARM-NEXT:     Index: 4
+MACHO-ARM-NEXT:     Name: __StaticInit (5F 5F 53 74 61 74 69 63 49 6E 69 74 00 00 00 00)
+MACHO-ARM-NEXT:     Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:     Address: 0x3C
+MACHO-ARM-NEXT:     Size: 0x0
+MACHO-ARM-NEXT:     Offset: 724
+MACHO-ARM-NEXT:     Alignment: 0
+MACHO-ARM-NEXT:     RelocationOffset: 0x0
+MACHO-ARM-NEXT:     RelocationCount: 0
+MACHO-ARM-NEXT:     Type: 0x0
+MACHO-ARM-NEXT:     Attributes [ (0x800000)
+MACHO-ARM-NEXT:       PureInstructions (0x800000)
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Reserved1: 0x0
+MACHO-ARM-NEXT:     Reserved2: 0x0
+MACHO-ARM-NEXT:     Relocations [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Symbols [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     SectionData (
+MACHO-ARM-NEXT:     )
+MACHO-ARM-NEXT:   }
+MACHO-ARM-NEXT:   Section {
+MACHO-ARM-NEXT:     Index: 5
+MACHO-ARM-NEXT:     Name: __data (5F 5F 64 61 74 61 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:     Segment: __DATA (5F 5F 44 41 54 41 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:     Address: 0x3C
+MACHO-ARM-NEXT:     Size: 0x4
+MACHO-ARM-NEXT:     Offset: 724
+MACHO-ARM-NEXT:     Alignment: 2
+MACHO-ARM-NEXT:     RelocationOffset: 0x0
+MACHO-ARM-NEXT:     RelocationCount: 0
+MACHO-ARM-NEXT:     Type: 0x0
+MACHO-ARM-NEXT:     Attributes [ (0x0)
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Reserved1: 0x0
+MACHO-ARM-NEXT:     Reserved2: 0x0
+MACHO-ARM-NEXT:     Relocations [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Symbols [
+MACHO-ARM-NEXT:       Symbol {
+MACHO-ARM-NEXT:         Name: _b (10)
+MACHO-ARM-NEXT:         Type: 0xF
+MACHO-ARM-NEXT:         Section: __data (0x6)
+MACHO-ARM-NEXT:         RefType: UndefinedNonLazy (0x0)
+MACHO-ARM-NEXT:         Flags [ (0x0)
+MACHO-ARM-NEXT:         ]
+MACHO-ARM-NEXT:         Value: 0x3C
+MACHO-ARM-NEXT:       }
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     SectionData (
+MACHO-ARM-NEXT:       0000: 2A000000                             |*...|
+MACHO-ARM-NEXT:     )
+MACHO-ARM-NEXT:   }
+MACHO-ARM-NEXT:   Section {
+MACHO-ARM-NEXT:     Index: 6
+MACHO-ARM-NEXT:     Name: __nl_symbol_ptr (5F 5F 6E 6C 5F 73 79 6D 62 6F 6C 5F 70 74 72 00)
+MACHO-ARM-NEXT:     Segment: __DATA (5F 5F 44 41 54 41 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:     Address: 0x40
+MACHO-ARM-NEXT:     Size: 0x8
+MACHO-ARM-NEXT:     Offset: 728
+MACHO-ARM-NEXT:     Alignment: 2
+MACHO-ARM-NEXT:     RelocationOffset: 0x0
+MACHO-ARM-NEXT:     RelocationCount: 0
+MACHO-ARM-NEXT:     Type: 0x6
+MACHO-ARM-NEXT:     Attributes [ (0x0)
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Reserved1: 0x0
+MACHO-ARM-NEXT:     Reserved2: 0x0
+MACHO-ARM-NEXT:     Relocations [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     Symbols [
+MACHO-ARM-NEXT:     ]
+MACHO-ARM-NEXT:     SectionData (
+MACHO-ARM-NEXT:       0000: 00000000 00000000                    |........|
+MACHO-ARM-NEXT:     )
+MACHO-ARM-NEXT:   }
+MACHO-ARM-NEXT: ]
diff --git a/test/tools/llvm-readobj/sections.test b/test/tools/llvm-readobj/sections.test
index b569682497..16f1131e05 100644
--- a/test/tools/llvm-readobj/sections.test
+++ b/test/tools/llvm-readobj/sections.test
@@ -10,6 +10,8 @@ RUN: llvm-readobj -s %p/Inputs/trivial.obj.macho-ppc \
 RUN:   | FileCheck %s -check-prefix MACHO-PPC
 RUN: llvm-readobj -s %p/Inputs/trivial.obj.macho-ppc64 \
 RUN:   | FileCheck %s -check-prefix MACHO-PPC64
+RUN: llvm-readobj -s %p/Inputs/trivial.obj.macho-arm \
+RUN:   | FileCheck %s -check-prefix MACHO-ARM
 
 COFF:      Sections [
 COFF-NEXT:   Section {
@@ -329,3 +331,122 @@ MACHO-PPC64-NEXT:     Reserved1: 0x2
 MACHO-PPC64-NEXT:     Reserved2: 0x0
 MACHO-PPC64-NEXT:   }
 MACHO-PPC64-NEXT: ]
+
+MACHO-ARM:      Sections [
+MACHO-ARM-NEXT:   Section {
+MACHO-ARM-NEXT:    Index: 0
+MACHO-ARM-NEXT:    Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:    Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:    Address: 0x0
+MACHO-ARM-NEXT:    Size: 0x3C
+MACHO-ARM-NEXT:    Offset: 664
+MACHO-ARM-NEXT:    Alignment: 2
+MACHO-ARM-NEXT:    RelocationOffset: 0x2E0
+MACHO-ARM-NEXT:    RelocationCount: 9
+MACHO-ARM-NEXT:    Type: 0x0
+MACHO-ARM-NEXT:    Attributes [ (0x800004)
+MACHO-ARM-NEXT:      PureInstructions (0x800000)
+MACHO-ARM-NEXT:      SomeInstructions (0x4)
+MACHO-ARM-NEXT:    ]
+MACHO-ARM-NEXT:    Reserved1: 0x0
+MACHO-ARM-NEXT:    Reserved2: 0x0
+MACHO-ARM-NEXT:  }
+MACHO-ARM-NEXT:  Section {
+MACHO-ARM-NEXT:    Index: 1
+MACHO-ARM-NEXT:    Name: __textcoal_nt (5F 5F 74 65 78 74 63 6F 61 6C 5F 6E 74 00 00 00)
+MACHO-ARM-NEXT:    Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:    Address: 0x3C
+MACHO-ARM-NEXT:    Size: 0x0
+MACHO-ARM-NEXT:    Offset: 724
+MACHO-ARM-NEXT:    Alignment: 0
+MACHO-ARM-NEXT:    RelocationOffset: 0x0
+MACHO-ARM-NEXT:    RelocationCount: 0
+MACHO-ARM-NEXT:    Type: 0xB
+MACHO-ARM-NEXT:    Attributes [ (0x800000)
+MACHO-ARM-NEXT:      PureInstructions (0x800000)
+MACHO-ARM-NEXT:    ]
+MACHO-ARM-NEXT:    Reserved1: 0x0
+MACHO-ARM-NEXT:    Reserved2: 0x0
+MACHO-ARM-NEXT:  }
+MACHO-ARM-NEXT:  Section {
+MACHO-ARM-NEXT:    Index: 2
+MACHO-ARM-NEXT:    Name: __const_coal (5F 5F 63 6F 6E 73 74 5F 63 6F 61 6C 00 00 00 00)
+MACHO-ARM-NEXT:    Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:    Address: 0x3C
+MACHO-ARM-NEXT:    Size: 0x0
+MACHO-ARM-NEXT:    Offset: 724
+MACHO-ARM-NEXT:    Alignment: 0
+MACHO-ARM-NEXT:    RelocationOffset: 0x0
+MACHO-ARM-NEXT:    RelocationCount: 0
+MACHO-ARM-NEXT:    Type: 0xB
+MACHO-ARM-NEXT:    Attributes [ (0x0)
+MACHO-ARM-NEXT:    ]
+MACHO-ARM-NEXT:    Reserved1: 0x0
+MACHO-ARM-NEXT:    Reserved2: 0x0
+MACHO-ARM-NEXT:  }
+MACHO-ARM-NEXT:  Section {
+MACHO-ARM-NEXT:    Index: 3
+MACHO-ARM-NEXT:    Name: __picsymbolstub4 (5F 5F 70 69 63 73 79 6D 62 6F 6C 73 74 75 62 34)
+MACHO-ARM-NEXT:    Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:    Address: 0x3C
+MACHO-ARM-NEXT:    Size: 0x0
+MACHO-ARM-NEXT:    Offset: 724
+MACHO-ARM-NEXT:    Alignment: 0
+MACHO-ARM-NEXT:    RelocationOffset: 0x0
+MACHO-ARM-NEXT:    RelocationCount: 0
+MACHO-ARM-NEXT:    Type: 0x8
+MACHO-ARM-NEXT:    Attributes [ (0x0)
+MACHO-ARM-NEXT:    ]
+MACHO-ARM-NEXT:    Reserved1: 0x0
+MACHO-ARM-NEXT:    Reserved2: 0x10
+MACHO-ARM-NEXT:  }
+MACHO-ARM-NEXT:  Section {
+MACHO-ARM-NEXT:    Index: 4
+MACHO-ARM-NEXT:    Name: __StaticInit (5F 5F 53 74 61 74 69 63 49 6E 69 74 00 00 00 00)
+MACHO-ARM-NEXT:    Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:    Address: 0x3C
+MACHO-ARM-NEXT:    Size: 0x0
+MACHO-ARM-NEXT:    Offset: 724
+MACHO-ARM-NEXT:    Alignment: 0
+MACHO-ARM-NEXT:    RelocationOffset: 0x0
+MACHO-ARM-NEXT:    RelocationCount: 0
+MACHO-ARM-NEXT:    Type: 0x0
+MACHO-ARM-NEXT:    Attributes [ (0x800000)
+MACHO-ARM-NEXT:      PureInstructions (0x800000)
+MACHO-ARM-NEXT:    ]
+MACHO-ARM-NEXT:    Reserved1: 0x0
+MACHO-ARM-NEXT:    Reserved2: 0x0
+MACHO-ARM-NEXT:  }
+MACHO-ARM-NEXT:  Section {
+MACHO-ARM-NEXT:    Index: 5
+MACHO-ARM-NEXT:    Name: __data (5F 5F 64 61 74 61 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:    Segment: __DATA (5F 5F 44 41 54 41 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:    Address: 0x3C
+MACHO-ARM-NEXT:    Size: 0x4
+MACHO-ARM-NEXT:    Offset: 724
+MACHO-ARM-NEXT:    Alignment: 2
+MACHO-ARM-NEXT:    RelocationOffset: 0x0
+MACHO-ARM-NEXT:    RelocationCount: 0
+MACHO-ARM-NEXT:    Type: 0x0
+MACHO-ARM-NEXT:    Attributes [ (0x0)
+MACHO-ARM-NEXT:    ]
+MACHO-ARM-NEXT:    Reserved1: 0x0
+MACHO-ARM-NEXT:    Reserved2: 0x0
+MACHO-ARM-NEXT:  }
+MACHO-ARM-NEXT:  Section {
+MACHO-ARM-NEXT:    Index: 6
+MACHO-ARM-NEXT:    Name: __nl_symbol_ptr (5F 5F 6E 6C 5F 73 79 6D 62 6F 6C 5F 70 74 72 00)
+MACHO-ARM-NEXT:    Segment: __DATA (5F 5F 44 41 54 41 00 00 00 00 00 00 00 00 00 00)
+MACHO-ARM-NEXT:    Address: 0x40
+MACHO-ARM-NEXT:    Size: 0x8
+MACHO-ARM-NEXT:    Offset: 728
+MACHO-ARM-NEXT:    Alignment: 2
+MACHO-ARM-NEXT:    RelocationOffset: 0x0
+MACHO-ARM-NEXT:    RelocationCount: 0
+MACHO-ARM-NEXT:    Type: 0x6
+MACHO-ARM-NEXT:    Attributes [ (0x0)
+MACHO-ARM-NEXT:    ]
+MACHO-ARM-NEXT:    Reserved1: 0x0
+MACHO-ARM-NEXT:    Reserved2: 0x0
+MACHO-ARM-NEXT:  }
+MACHO-ARM-NEXT:]