ARM: Detect OABI binaries and complain that they're no-longer supported.

src/base/loader/elf_object.cc

@@ -107,7 +107,6 @@ ElfObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data)
         {
 
           case ELFOSABI_LINUX:
-          case ELFOSABI_ARM:
             opSys = ObjectFile::Linux;
             break;
           case ELFOSABI_SOLARIS:
@@ -116,6 +115,9 @@ ElfObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data)
           case ELFOSABI_TRU64:
             opSys = ObjectFile::Tru64;
             break;
+          case ELFOSABI_ARM:
+            opSys = ObjectFile::LinuxArmOABI;
+            break;
           default:
             opSys = ObjectFile::UnknownOpSys;
         }

src/base/loader/object_file.hh

@@ -59,7 +59,8 @@ class ObjectFile
         UnknownOpSys,
         Tru64,
         Linux,
-        Solaris
+        Solaris,
+        LinuxArmOABI
     };
 
   protected:

src/sim/process.cc

@@ -748,7 +748,9 @@ LiveProcess::create(LiveProcessParams * params)
       case ObjectFile::Linux:
         process = new ArmLinuxProcess(params, objFile);
         break;
-
+      case ObjectFile::LinuxArmOABI:
+        fatal("M5 does not support ARM OABI binaries. Please recompile with an"
+              " EABI compiler.");
       default:
         fatal("Unknown/unsupported operating system.");
     }