How can I get the iOS device CPU architecture in runtime

Question

Is there a way to identify the iOS device CPU architecture in runtime?

Thank you.

Answer 1

Just adding more to @Emmanuel's answer:

- (NSString *)getCPUType {
      NSMutableString *cpu = [[NSMutableString alloc] init];
      size_t size;
      cpu_type_t type;
      cpu_subtype_t subtype;
      size = sizeof(type);
      sysctlbyname("hw.cputype", &type, &size, NULL, 0);

      size = sizeof(subtype);
      sysctlbyname("hw.cpusubtype", &subtype, &size, NULL, 0);

      // values for cputype and cpusubtype defined in mach/machine.h
      if (type == CPU_TYPE_X86_64) {
          [cpu appendString:@"x86_64"];
      } else if (type == CPU_TYPE_X86) {
          [cpu appendString:@"x86"];
      } else if (type == CPU_TYPE_ARM) {
          [cpu appendString:@"ARM"];
          switch(subtype)
          {
              case CPU_SUBTYPE_ARM_V6:
                  [cpu appendString:@"V6"];
                  break;
              case CPU_SUBTYPE_ARM_V7:
                  [cpu appendString:@"V7"];
                  break;
              case CPU_SUBTYPE_ARM_V8:
                  [cpu appendString:@"V8"];
                  break;
          }
      }
      return cpu; 
  }