1 files changed, 53 insertions, 7 deletions

diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 6915765dab..e92842c7d1 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -115,6 +115,9 @@ static char erts_system_version[] = ("Erlang/OTP " ERLANG_OTP_RELEASE
 #ifdef ERTS_ENABLE_LOCK_COUNT
 				     " [lock-counting]"
 #endif
+#ifdef ERTS_OPCODE_COUNTER_SUPPORT
+				     " [instruction-counting]"
+#endif
 #ifdef PURIFY
 				     " [purify-compiled]"
 #endif	
@@ -2300,7 +2303,7 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
 	for (i = num_instructions-1; i >= 0; i--) {
 	    res = erts_bld_cons(hpp, hszp,
 				erts_bld_tuple(hpp, hszp, 2,
-					       erts_atom_put(opc[i].name,
+					       erts_atom_put((byte *)opc[i].name,
 							     strlen(opc[i].name),
 							     ERTS_ATOM_ENC_LATIN1,
 							     1),
@@ -2696,6 +2699,9 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
 		? am_disabled
 		: am_enabled);
     }
+    else if (ERTS_IS_ATOM_STR("eager_check_io",BIF_ARG_1)) {
+	BIF_RET(erts_eager_check_io ? am_true : am_false);
+    }
 
     BIF_ERROR(BIF_P, BADARG);
 }
@@ -3055,6 +3061,25 @@ fun_info_2(BIF_ALIST_2)
     return TUPLE2(hp, what, val);
 }
 
+BIF_RETTYPE
+fun_info_mfa_1(BIF_ALIST_1)
+{
+    Process* p = BIF_P;
+    Eterm fun = BIF_ARG_1;
+    Eterm* hp;
+
+    if (is_fun(fun)) {
+	ErlFunThing* funp = (ErlFunThing *) fun_val(fun);
+	hp = HAlloc(p, 4);
+	BIF_RET(TUPLE3(hp,funp->fe->module,funp->fe->address[-2],make_small(funp->arity)));
+    } else if (is_export(fun)) {
+	Export* exp = (Export *) ((UWord) (export_val(fun))[1]);
+	hp = HAlloc(p, 4);
+	BIF_RET(TUPLE3(hp,exp->code[0],exp->code[1],make_small(exp->code[2])));
+    }
+    BIF_ERROR(p, BADARG);
+}
+
 BIF_RETTYPE is_process_alive_1(BIF_ALIST_1) 
 {
    if(is_internal_pid(BIF_ARG_1)) {
@@ -3285,17 +3310,38 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1)
 	    BIF_RET(make_small((Uint) words));
 	}
 	else if (ERTS_IS_ATOM_STR("check_io_debug", BIF_ARG_1)) {
-	    /* Used by (emulator) */
-	    int res;
+	    /* Used by driver_SUITE (emulator) */
+	    Uint sz, *szp;
+	    Eterm res, *hp, **hpp;
+	    int no_errors;
+	    ErtsCheckIoDebugInfo ciodi = {0};
 #ifdef HAVE_ERTS_CHECK_IO_DEBUG
 	    erts_smp_proc_unlock(BIF_P,ERTS_PROC_LOCK_MAIN);
-	    res = erts_check_io_debug();
+	    no_errors = erts_check_io_debug(&ciodi);
 	    erts_smp_proc_lock(BIF_P,ERTS_PROC_LOCK_MAIN);
 #else
-	    res = 0;
+	    no_errors = 0;
 #endif
-	    ASSERT(res >= 0);
-	    BIF_RET(erts_make_integer((Uint) res, BIF_P));
+	    sz = 0;
+	    szp = &sz;
+	    hpp = NULL;
+	    while (1) {
+		res = erts_bld_tuple(hpp, szp, 4,
+				     erts_bld_uint(hpp, szp,
+						   (Uint) no_errors),
+				     erts_bld_uint(hpp, szp,
+						   (Uint) ciodi.no_used_fds),
+				     erts_bld_uint(hpp, szp,
+						   (Uint) ciodi.no_driver_select_structs),
+				     erts_bld_uint(hpp, szp,
+						   (Uint) ciodi.no_driver_event_structs));
+		if (hpp)
+		    break;
+		hp = HAlloc(BIF_P, sz);
+		szp = NULL;
+		hpp = &hp;
+	    }
+	    BIF_RET(res);
 	}
 	else if (ERTS_IS_ATOM_STR("process_info_args", BIF_ARG_1)) {
 	    /* Used by process_SUITE (emulator) */