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-rw-r--r--erts/emulator/test/hipe_SUITE.erl188
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diff --git a/erts/emulator/test/hipe_SUITE.erl b/erts/emulator/test/hipe_SUITE.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2016-2017. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+-module(hipe_SUITE).
+-export([all/0
+ ,t_copy_literals/1
+ ,t_purge/1
+ ,t_trycatch/1
+ ]).
+
+all() ->
+ case erlang:system_info(hipe_architecture) of
+ undefined -> {skip, "HiPE is disabled"};
+ _ -> [t_copy_literals
+ ,t_purge
+ ,t_trycatch
+ ]
+ end.
+
+t_copy_literals(doc) ->
+ "Check that BEAM literals referenced from HiPE stack are copied by"
+ " check_process_code";
+t_copy_literals(Config) when is_list(Config) ->
+ %% Compile the the ref_cell and literals modules.
+ Data = proplists:get_value(data_dir, Config),
+ Priv = proplists:get_value(priv_dir, Config),
+ RefFile = filename:join(Data, "ref_cell"),
+ {ok,ref_cell} = c:c(RefFile, [{outdir,Priv},native]),
+ true = code:is_module_native(ref_cell),
+ LitFile = filename:join(Data, "literals"),
+ {ok,literals} = c:c(LitFile, [{outdir,Priv}]),
+
+ %% store references to literals on HiPE stacks
+ PA = ref_cell:start_link(),
+ ref_cell:call(PA, {put_res_of, fun literals:a/0}),
+ PB = ref_cell:start_link_deep(),
+ ref_cell:call(PB, {put_res_of, fun literals:b/0}),
+
+ %% purge the literals
+ _ = (catch erlang:purge_module(literals)),
+ true = erlang:delete_module(literals),
+ true = erlang:purge_module(literals),
+
+ %% Give the literal collector some time to work...
+ receive after 2000 -> ok end,
+
+ %% check that the ex-literals are ok
+ [a,b,c] = ref_cell:call(PA, get),
+ {a,b,c} = ref_cell:call(PB, get),
+
+ %% cleanup
+ ref_cell:call(PA, done),
+ ref_cell:call(PB, done),
+ _ = (catch erlang:purge_module(ref_cell)),
+ true = erlang:delete_module(ref_cell),
+ true = erlang:purge_module(ref_cell),
+ ok.
+
+t_purge(doc) -> "Checks that native code is properly found and purged";
+t_purge(Config) when is_list(Config) ->
+ Data = proplists:get_value(data_dir, Config),
+ Priv = proplists:get_value(priv_dir, Config),
+ SrcFile = filename:join(Data, "ref_cell"),
+ BeamFile = filename:join(Priv, "ref_cell"),
+ {ok,ref_cell} = c:c(SrcFile, [{outdir,Priv},native]),
+ true = code:is_module_native(ref_cell),
+
+ PA = ref_cell:start_link(),
+
+ %% Unload, PA should still be running
+ true = erlang:delete_module(ref_cell),
+ %% Can't use ref_cel:call/2, it's in old code!
+ call(PA, {put_res_of, fun()-> hej end}),
+ hej = call(PA, get),
+
+ %% Load same module again
+ code:load_abs(BeamFile),
+ true = code:is_module_native(ref_cell),
+ PB = ref_cell:start_link(),
+
+ %% Purge old code, PA should be killed, PB should survive
+ unlink(PA),
+ ARef = monitor(process, PA),
+ true = erlang:purge_module(ref_cell),
+ receive {'DOWN', ARef, process, PA, killed} -> ok
+ after 1 -> ct:fail("PA was not killed")
+ end,
+
+ %% Unload, PB should still be running
+ true = erlang:delete_module(ref_cell),
+ call(PB, {put_res_of, fun()-> svejs end}),
+ svejs = call(PB, get),
+
+ unlink(PB),
+ BRef = monitor(process, PB),
+ true = erlang:purge_module(ref_cell),
+ receive {'DOWN', BRef, process, PB, killed} -> ok
+ after 1 -> ct:fail("PB was not killed")
+ end,
+
+ ok.
+
+call(Pid, Call) ->
+ Pid ! {Call, self()},
+ receive {Pid, Res} -> Res end.
+
+t_trycatch(Config) ->
+ DataDir = proplists:get_value(data_dir, Config),
+ Files = ["trycatch_1.erl","trycatch_2.erl","trycatch_3.erl"],
+ Sources0 = [filename:join(DataDir, Src) || Src <- Files],
+ Sources = trycatch_combine(Sources0),
+ t_trycatch_1(Sources).
+
+t_trycatch_1([S|Ss]) ->
+ io:format("~p", [S]),
+ compile_and_load(S),
+ call_trycatch(try_catch),
+ call_trycatch(plain_catch),
+ io:nl(),
+ t_trycatch_1(Ss);
+t_trycatch_1([]) ->
+ ok.
+
+trycatch_combine([N|Ns]) ->
+ Combined = trycatch_combine(Ns),
+ lists:append([[[{N,[]}|C],[{N,[native]},C]] || C <- Combined]);
+trycatch_combine([]) ->
+ [[]].
+
+call_trycatch(Func) ->
+ case do_call_trycatch(error, Func, {error,whatever}) of
+ {error,whatever,[{trycatch_3,three,1,_}|_]} ->
+ ok
+ end,
+ case do_call_trycatch(error, Func, fc) of
+ {error,function_clause,[{trycatch_3,three,[fc],_}|_]} ->
+ ok;
+ {error,function_clause,[{trycatch_3,three,1,_}|_]} ->
+ ok
+ end,
+ case do_call_trycatch(throw, Func, {throw,{a,b}}) of
+ {throw,{a,b},[{trycatch_3,three,1,_}|_]} ->
+ ok
+ end,
+ case do_call_trycatch(exit, Func, {exit,{a,b,c}}) of
+ {exit,{a,b,c},[{trycatch_3,three,1,_}|_]} ->
+ ok
+ end,
+ ok.
+
+do_call_trycatch(_Class, try_catch, Argument) ->
+ trycatch_1:one_try_catch(Argument);
+do_call_trycatch(error, plain_catch, Argument) ->
+ {{'EXIT',{Reason,Stk}},Stk} = trycatch_1:one_plain_catch(Argument),
+ {error,Reason,Stk};
+do_call_trycatch(throw, plain_catch, Argument) ->
+ {Reason,Stk} = trycatch_1:one_plain_catch(Argument),
+ {throw,Reason,Stk};
+do_call_trycatch(exit, plain_catch, Argument) ->
+ {{'EXIT',Reason},Stk} = trycatch_1:one_plain_catch(Argument),
+ {exit,Reason,Stk}.
+
+compile_and_load(Sources) ->
+ _ = [begin
+ {ok,Mod,Bin} = compile:file(Src, [binary,report|Opts]),
+ code:purge(Mod),
+ code:delete(Mod),
+ code:purge(Mod),
+ {module,Mod} = code:load_binary(Mod, atom_to_list(Mod), Bin)
+ end || {Src,Opts} <- Sources],
+ ok.