Index: llvm/test/tools/obj2yaml/ELF/program-headers.yaml
===================================================================
--- llvm/test/tools/obj2yaml/ELF/program-headers.yaml
+++ llvm/test/tools/obj2yaml/ELF/program-headers.yaml
@@ -42,6 +42,7 @@
 # YAML-NEXT:    FirstSec: .hash
 # YAML-NEXT:    LastSec:  .dynstr
 # YAML-NEXT:    Align:    0x1000
+# YAML-NEXT:    Offset: 0x0
 # YAML-NEXT:  - Type:     PT_LOAD
 # YAML-NEXT:    Flags:    [ PF_X, PF_R ]
 # YAML-NEXT:    FirstSec: .foo
Index: llvm/tools/obj2yaml/elf2yaml.cpp
===================================================================
--- llvm/tools/obj2yaml/elf2yaml.cpp
+++ llvm/tools/obj2yaml/elf2yaml.cpp
@@ -10,6 +10,7 @@
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/Twine.h"
+#include "llvm/BinaryFormat/ELF.h"
 #include "llvm/DebugInfo/DWARF/DWARFContext.h"
 #include "llvm/Object/ELFObjectFile.h"
 #include "llvm/ObjectYAML/DWARFYAML.h"
@@ -484,6 +485,13 @@
     PH.Flags = Phdr.p_flags;
     PH.VAddr = Phdr.p_vaddr;
     PH.PAddr = Phdr.p_paddr;
+    if (Phdr.p_offset == 0 && Phdr.p_filesz)
+      PH.Offset = Phdr.p_offset;
+
+    if (Phdr.p_type == ELF::PT_PHDR) {
+      PH.MemSize = Phdr.p_memsz;
+      PH.FileSize = Phdr.p_filesz;
+    }
 
     // yaml2obj sets the alignment of a segment to 1 by default.
     // We do not print the default alignment to reduce noise in the output.