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authorBjörn-Egil Dahlberg <[email protected]>2016-07-29 14:45:21 +0200
committerBjörn-Egil Dahlberg <[email protected]>2016-07-29 14:45:21 +0200
commit26bb8c8a2abf40e1504dfeac3e74b3582ea1877b (patch)
tree40f569083f347859e1e878beb8d33de84591cd69 /erts/emulator/test/hipe_SUITE.erl
parent18d328f9e2275d13a1d469016916f7261a612951 (diff)
parentf0131c58c42a286c8b3f611b47106393a37197b6 (diff)
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Merge branch 'margnus1/erts/fix-hipe-literal-gc/PR-1122/OTP-13777' into maint
* margnus1/erts/fix-hipe-literal-gc/PR-1122/OTP-13777: check_process_code: Sweep HiPE stack for literals
Diffstat (limited to 'erts/emulator/test/hipe_SUITE.erl')
-rw-r--r--erts/emulator/test/hipe_SUITE.erl64
1 files changed, 64 insertions, 0 deletions
diff --git a/erts/emulator/test/hipe_SUITE.erl b/erts/emulator/test/hipe_SUITE.erl
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+++ b/erts/emulator/test/hipe_SUITE.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2016. 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]).
+
+all() ->
+ case erlang:system_info(hipe_architecture) of
+ undefined -> {skip, "HiPE is disabled"};
+ _ -> [t_copy_literals]
+ 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),
+
+ %% 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.