--- dyld/dyld-1042.1/testing/unit-tests/MockO.cpp
+++ dyld/dyld-960/testing/unit-tests/MockO.cpp
@@ -42,7 +42,8 @@
 
 MockO::MockO(uint32_t filetype, const char* archName, Platform platform, const char* minOsStr, const char* sdkStr)
 {
-    MachOFile::cpuTypeFromArchName(archName, &_header.cputype, &_header.cpusubtype);
+    _header.cputype     = MachOFile::cpuTypeFromArchName(archName);
+    _header.cpusubtype  = MachOFile::cpuSubtypeFromArchName(archName);
     _header.magic       = (_header.cputype & CPU_ARCH_ABI64) ? MH_MAGIC_64 : MH_MAGIC;
     _header.filetype    = filetype;
     _header.ncmds       = 0;
@@ -538,6 +539,11 @@
         buildMachO();
 
     return _mf;
+}
+
+const size_t MockO::size() const
+{
+    return _size;
 }
 
 void MockO::save(char savedPath[PATH_MAX])