Distinguish between BSD4.4 and SVR4 symbol tables

llvm-svn: 18044
diff --git a/llvm/lib/Bytecode/Archive/ArchiveInternals.h b/llvm/lib/Bytecode/Archive/ArchiveInternals.h
index 77d2d54..c924c43 100644
--- a/llvm/lib/Bytecode/Archive/ArchiveInternals.h
+++ b/llvm/lib/Bytecode/Archive/ArchiveInternals.h
@@ -20,9 +20,10 @@
 
 #define ARFILE_MAGIC "!<arch>\n"                   ///< magic string 
 #define ARFILE_MAGIC_LEN (sizeof(ARFILE_MAGIC)-1)  ///< length of magic string 
-#define ARFILE_SYMTAB_NAME "/               "      ///< regular symtab entry
-#define ARFILE_STRTAB_NAME "//              "      ///< Name of string table
-#define ARFILE_LLVM_SYMTAB_NAME "#_LLVM_SYM_TAB_#" ///< LLVM's symtab entry
+#define ARFILE_SVR4_SYMTAB_NAME "/               " ///< SVR4 symtab entry name
+#define ARFILE_LLVM_SYMTAB_NAME "#_LLVM_SYM_TAB_#" ///< LLVM symtab entry name
+#define ARFILE_BSD4_SYMTAB_NAME "__.SYMDEF SORTED" ///< BSD4 symtab entry name
+#define ARFILE_STRTAB_NAME      "//              " ///< Name of string table
 #define ARFILE_PAD "\n"                            ///< inter-file align padding
 #define ARFILE_MEMBER_MAGIC "`\n"                  ///< fmag field magic #