Merge branch 'hasse/no_get_stacktrace/OTP-14861'

* hasse/no_get_stacktrace/OTP-14861:
  erts: Update abstract format doc with stacktrace variable
  wx: Do not call erlang:get_stacktrace()
  tools: Do not call erlang:get_stacktrace()
  stdlib: Do not call erlang:get_stacktrace()
  sasl: Do not call erlang:get_stacktrace()
  runtime_tools: Do not call erlang:get_stacktrace()
  reltool: Do not call erlang:get_stacktrace()
  parsetools: Do not call erlang:get_stacktrace()
  observer: Do not call erlang:get_stacktrace()
  mnesia: Do not call erlang:get_stacktrace() (cont)
  mnesia: Do not call erlang:get_stacktrace()
  kernel: Do not call erlang:get_stacktrace()
  inets: Do not call erlang:get_stacktrace()
  eunit: Do not call erlang:get_stacktrace()
  et: Do not call erlang:get_stacktrace()
  dialyzer: Do not call erlang:get_stacktrace()
  debugger: Do not call erlang:get_stacktrace()
  debugger: Do not try to restore stacktrace
  common_test: Do not call erlang:get_stacktrace()

13 files changed, 60 insertions, 54 deletions

diff --git a/lib/mnesia/src/mnesia.erl b/lib/mnesia/src/mnesia.erl
index 95f7d4afc1..6d87544bd2 100644
--- a/lib/mnesia/src/mnesia.erl
+++ b/lib/mnesia/src/mnesia.erl
@@ -177,8 +177,8 @@
 
 %% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> mnesia_lib:other_val(Var);
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
 	Value -> Value
     end.
 
diff --git a/lib/mnesia/src/mnesia.hrl b/lib/mnesia/src/mnesia.hrl
index da7e662288..e36222d098 100644
--- a/lib/mnesia/src/mnesia.hrl
+++ b/lib/mnesia/src/mnesia.hrl
@@ -47,6 +47,10 @@
 -define(catch_val(Var), (try ?ets_lookup_element(mnesia_gvar, Var, 2)
 			 catch error:_ -> {'EXIT', {badarg, []}} end)).
 
+-define(catch_val_and_stack(Var),
+        (try ?ets_lookup_element(mnesia_gvar, Var, 2)
+         catch error:_:_Stacktrace -> {'EXIT', _Stacktrace} end)).
+
 %% It's important that counter is first, since we compare tid's
 
 -record(tid,
diff --git a/lib/mnesia/src/mnesia_bup.erl b/lib/mnesia/src/mnesia_bup.erl
index 34f16f178b..9dda340333 100644
--- a/lib/mnesia/src/mnesia_bup.erl
+++ b/lib/mnesia/src/mnesia_bup.erl
@@ -90,9 +90,9 @@ iterate(Mod, Fun, Opaque, Acc) ->
 	    catch throw:Err ->
 		    close_read(R2),
 		    Err;
-		  _:Reason ->
+		  _:Reason:Stacktrace ->
 		    close_read(R2),
-		    {error, {Reason, erlang:get_stacktrace()}}
+		    {error, {Reason, Stacktrace}}
 	    end
     catch throw:{error,_} = Err ->
 	    Err
@@ -198,9 +198,9 @@ do_read_schema_section(R) ->
     try
 	{R3, RawSchema} = safe_apply(R2, read, [R2#restore.bup_data]),
 	do_read_schema_section(R3, verify_header(RawSchema), [])
-    catch T:E ->
+    catch T:E:S ->
 	    close_read(R2),
-	    erlang:raise(T,E,erlang:get_stacktrace())
+	    erlang:raise(T,E,S)
     end.
 
 do_read_schema_section(R, {ok, B, C, []}, Acc) ->
diff --git a/lib/mnesia/src/mnesia_checkpoint.erl b/lib/mnesia/src/mnesia_checkpoint.erl
index 8112378ffd..8290237908 100644
--- a/lib/mnesia/src/mnesia_checkpoint.erl
+++ b/lib/mnesia/src/mnesia_checkpoint.erl
@@ -1269,9 +1269,9 @@ system_code_change(Cp, _Module, _OldVsn, _Extra) ->
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%
 
+%% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> mnesia_lib:other_val(Var);
-	_VaLuE_ -> _VaLuE_
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
+	Value -> Value
     end.
-
diff --git a/lib/mnesia/src/mnesia_controller.erl b/lib/mnesia/src/mnesia_controller.erl
index 77013489b3..77e67a59db 100644
--- a/lib/mnesia/src/mnesia_controller.erl
+++ b/lib/mnesia/src/mnesia_controller.erl
@@ -185,9 +185,10 @@ max_loaders() ->
 		      worker_res
 		     }).
 
+%% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> mnesia_lib:other_val(Var);
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
 	Value -> Value
     end.
 
diff --git a/lib/mnesia/src/mnesia_dumper.erl b/lib/mnesia/src/mnesia_dumper.erl
index f0ed7aef4a..31bcc1451f 100644
--- a/lib/mnesia/src/mnesia_dumper.erl
+++ b/lib/mnesia/src/mnesia_dumper.erl
@@ -191,8 +191,7 @@ do_perform_dump(Cont, InPlace, InitBy, Regulator, OldVersion) ->
 	    try insert_recs(Recs, InPlace, InitBy, Regulator, OldVersion) of
 		Version ->
 		    do_perform_dump(C2, InPlace, InitBy, Regulator, Version)
-	    catch _:R when R =/= fatal ->
-		    ST = erlang:get_stacktrace(),
+	    catch _:R:ST when R =/= fatal ->
 		    Reason = {"Transaction log dump error: ~tp~n", [{R, ST}]},
 		    close_files(InPlace, {error, Reason}, InitBy),
 		    exit(Reason)
@@ -325,8 +324,7 @@ perform_update(Tid, SchemaOps, _DumperMode, _UseDir) ->
 	 ?eval_debug_fun({?MODULE, post_dump}, [InitBy]),
 	 close_files(InPlace, ok, InitBy),
 	 ok
-    catch _:Reason when Reason =/= fatal ->
-	    ST = erlang:get_stacktrace(),
+    catch _:Reason:ST when Reason =/= fatal ->
 	    Error = {error, {"Schema update error", {Reason, ST}}},
 	    close_files(InPlace, Error, InitBy),
             fatal("Schema update error ~tp ~tp", [{Reason,ST}, SchemaOps])
@@ -1471,8 +1469,9 @@ regulate(RegulatorPid) ->
 	{regulated, RegulatorPid} -> ok
     end.
 
+%% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> mnesia_lib:other_val(Var);
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
 	Value -> Value
     end.
diff --git a/lib/mnesia/src/mnesia_frag.erl b/lib/mnesia/src/mnesia_frag.erl
index c39f30e140..63fb4981fe 100644
--- a/lib/mnesia/src/mnesia_frag.erl
+++ b/lib/mnesia/src/mnesia_frag.erl
@@ -1157,9 +1157,10 @@ remove_node(Node, Cs) ->
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% Helpers
 
+%% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> mnesia_lib:other_val(Var);
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
 	Value -> Value
     end.
 
diff --git a/lib/mnesia/src/mnesia_lib.erl b/lib/mnesia/src/mnesia_lib.erl
index 53fdd76de8..56f6926df0 100644
--- a/lib/mnesia/src/mnesia_lib.erl
+++ b/lib/mnesia/src/mnesia_lib.erl
@@ -116,7 +116,7 @@
 	 lock_table/1,
 	 mkcore/1,
 	 not_active_here/1,
-         other_val/1,
+         other_val/2,
          overload_read/0,
          overload_read/1,
          overload_set/2,
@@ -435,8 +435,8 @@ validate_record(Tab, Obj) ->
 %%
 
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> other_val(Var);
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> other_val(Var, Stacktrace);
 	_VaLuE_ -> _VaLuE_
     end.
 
@@ -446,9 +446,9 @@ set(Var, Val) ->
 unset(Var) ->
     ?ets_delete(mnesia_gvar, Var).
 
-other_val(Var) ->
+other_val(Var, Stacktrace) ->
     case other_val_1(Var) of
-        error -> pr_other(Var);
+        error -> pr_other(Var, Stacktrace);
         Val -> Val
     end.
 
@@ -460,8 +460,8 @@ other_val_1(Var) ->
 	_ -> error
     end.
 
--spec pr_other(_) -> no_return().
-pr_other(Var) ->
+-spec pr_other(_, _) -> no_return().
+pr_other(Var, Stacktrace) ->
     Why =
 	case is_running() of
 	    no -> {node_not_running, node()};
@@ -469,7 +469,7 @@ pr_other(Var) ->
 	end,
     verbose("~p (~tp) val(mnesia_gvar, ~tw) -> ~p ~tp ~n",
 	    [self(), process_info(self(), registered_name),
-	     Var, Why, erlang:get_stacktrace()]),
+	     Var, Why, Stacktrace]),
     mnesia:abort(Why).
 
 %% Some functions for list valued variables
diff --git a/lib/mnesia/src/mnesia_loader.erl b/lib/mnesia/src/mnesia_loader.erl
index 4c6336cb73..bbceb9ba66 100644
--- a/lib/mnesia/src/mnesia_loader.erl
+++ b/lib/mnesia/src/mnesia_loader.erl
@@ -34,9 +34,10 @@
 
 -include("mnesia.hrl").
 
+%% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> mnesia_lib:other_val(Var);
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
 	Value -> Value
     end.
 
@@ -535,7 +536,7 @@ init_table(Tab, _, Fun, _DetsInfo,_) ->
     try
 	true = ets:init_table(Tab, Fun),
 	ok
-    catch _:Else -> {Else, erlang:get_stacktrace()}
+    catch _:Else:Stacktrace -> {Else, Stacktrace}
     end.
 
 
@@ -777,9 +778,9 @@ do_send_table(Pid, Tab, Storage, RemoteS) ->
         throw:receiver_died ->
             cleanup_tab_copier(Pid, Storage, Tab),
             ok;
-        error:Reason -> %% Prepare failed
+        error:Reason:Stacktrace -> %% Prepare failed
             cleanup_tab_copier(Pid, Storage, Tab),
-            {error, {tab_copier, Tab, {Reason, erlang:get_stacktrace()}}}
+            {error, {tab_copier, Tab, {Reason, Stacktrace}}}
     after
         unlink(whereis(mnesia_tm))
     end.
diff --git a/lib/mnesia/src/mnesia_locker.erl b/lib/mnesia/src/mnesia_locker.erl
index 073b48abc0..710bf38cb5 100644
--- a/lib/mnesia/src/mnesia_locker.erl
+++ b/lib/mnesia/src/mnesia_locker.erl
@@ -97,10 +97,11 @@ init(Parent) ->
     end,
     loop(#state{supervisor = Parent}).
 
+%% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> mnesia_lib:other_val(Var);
-	_VaLuE_ -> _VaLuE_
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
+	Value -> Value
     end.
 
 reply(From, R) ->
diff --git a/lib/mnesia/src/mnesia_recover.erl b/lib/mnesia/src/mnesia_recover.erl
index d792070332..475bf3c327 100644
--- a/lib/mnesia/src/mnesia_recover.erl
+++ b/lib/mnesia/src/mnesia_recover.erl
@@ -177,10 +177,10 @@ disconnect(Node) ->
 log_decision(D) ->
     cast({log_decision, D}).
 
+%% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _Reason} ->
-	    mnesia_lib:other_val(Var);
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
 	Value -> Value
     end.
 
diff --git a/lib/mnesia/src/mnesia_schema.erl b/lib/mnesia/src/mnesia_schema.erl
index 71952af31c..de6c3fb4ee 100644
--- a/lib/mnesia/src/mnesia_schema.erl
+++ b/lib/mnesia/src/mnesia_schema.erl
@@ -181,9 +181,10 @@ exit_on_error({error, Reason}) ->
 exit_on_error(GoodRes) ->
     GoodRes.
 
+%% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> mnesia_lib:other_val(Var);
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
 	Value -> Value
     end.
 
@@ -2695,10 +2696,10 @@ prepare_op(_Tid, {op, transform, Fun, TabDef}, _WaitFor) ->
                 Objs ->
 		    mnesia_lib:db_fixtable(Storage, Tab, false),
                     {true, Objs, mandatory}
-	    catch _:Reason ->
+	    catch _:Reason:Stacktrace ->
 		    mnesia_lib:db_fixtable(Storage, Tab, false),
 		    mnesia_lib:important("Transform function failed: '~tp' in '~tp'",
-					 [Reason, erlang:get_stacktrace()]),
+					 [Reason, Stacktrace]),
                     exit({"Bad transform function", Tab, Fun, node(), Reason})
             end
     end;
diff --git a/lib/mnesia/src/mnesia_tm.erl b/lib/mnesia/src/mnesia_tm.erl
index ebf580d09e..eaebdf6d02 100644
--- a/lib/mnesia/src/mnesia_tm.erl
+++ b/lib/mnesia/src/mnesia_tm.erl
@@ -121,10 +121,11 @@ init(Parent) ->
     proc_lib:init_ack(Parent, {ok, self()}),
     doit_loop(#state{supervisor = Parent}).
 
+%% Local function in order to avoid external function call
 val(Var) ->
-    case ?catch_val(Var) of
-	{'EXIT', _} -> mnesia_lib:other_val(Var);
-	_VaLuE_ -> _VaLuE_
+    case ?catch_val_and_stack(Var) of
+	{'EXIT', Stacktrace} -> mnesia_lib:other_val(Var, Stacktrace);
+	Value -> Value
     end.
 
 reply({From,Ref}, R) ->
@@ -597,9 +598,9 @@ recover_coordinator(Tid, Etabs) ->
 		false ->  %% When killed before store havn't been copied to
 		    ok    %% to the new nested trans store.
 	    end
-    catch _:Reason ->
+    catch _:Reason:Stacktrace ->
 	    dbg_out("Recovery of coordinator ~p failed: ~tp~n",
-		    [Tid, {Reason, erlang:get_stacktrace()}]),
+		    [Tid, {Reason, Stacktrace}]),
 	    Protocol = asym_trans,
 	    tell_outcome(Tid, Protocol, node(), CheckNodes, TellNodes)
     end,
@@ -825,8 +826,7 @@ execute_transaction(Fun, Args, Factor, Retries, Type) ->
     catch throw:Value ->  %% User called throw
 	    Reason = {aborted, {throw, Value}},
 	    return_abort(Fun, Args, Reason);
-	  error:Reason ->
-	    ST = erlang:get_stacktrace(),
+	  error:Reason:ST ->
 	    check_exit(Fun, Args, Factor, Retries, {Reason,ST}, Type);
 	  _:Reason ->
 	    check_exit(Fun, Args, Factor, Retries, Reason, Type)
@@ -1796,14 +1796,13 @@ do_update(Tid, Storage, [Op | Ops], OldRes) ->
     try do_update_op(Tid, Storage, Op) of
 	ok ->     do_update(Tid, Storage, Ops, OldRes);
 	NewRes -> do_update(Tid, Storage, Ops, NewRes)
-    catch _:Reason ->
+    catch _:Reason:ST ->
 	    %% This may only happen when we recently have
 	    %% deleted our local replica, changed storage_type
 	    %% or transformed table
 	    %% BUGBUG: Updates may be lost if storage_type is changed.
 	    %%         Determine actual storage type and try again.
 	    %% BUGBUG: Updates may be lost if table is transformed.
-	    ST = erlang:get_stacktrace(),
 	    verbose("do_update in ~w failed: ~tp -> {'EXIT', ~tp}~n",
 		    [Tid, Op, {Reason, ST}]),
 	    do_update(Tid, Storage, Ops, OldRes)
@@ -1914,11 +1913,10 @@ commit_clear([H|R], Tid, Storage, Tab, K, Obj)
 do_snmp(_, []) ->   ok;
 do_snmp(Tid, [Head|Tail]) ->
     try mnesia_snmp_hook:update(Head)
-    catch _:Reason ->
+    catch _:Reason:ST ->
 	    %% This should only happen when we recently have
 	    %% deleted our local replica or recently deattached
 	    %% the snmp table
-	    ST = erlang:get_stacktrace(),
 	    verbose("do_snmp in ~w failed: ~tp -> {'EXIT', ~tp}~n",
 		    [Tid, Head, {Reason, ST}])
     end,