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-rw-r--r--lib/dialyzer/src/dialyzer_cl.erl64
1 files changed, 57 insertions, 7 deletions
diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl
index 4386a8d52a..55fcd15641 100644
--- a/lib/dialyzer/src/dialyzer_cl.erl
+++ b/lib/dialyzer/src/dialyzer_cl.erl
@@ -512,32 +512,82 @@ hipe_compile(Files, #options{erlang_mode = ErlangMode} = Options) ->
dialyzer_worker],
report_native_comp(Options),
{T1, _} = statistics(wall_clock),
- native_compile(Mods),
+ Cache = (get(dialyzer_options_native_cache) =/= false),
+ native_compile(Mods, Cache),
{T2, _} = statistics(wall_clock),
report_elapsed_time(T1, T2, Options)
end
end.
-native_compile(Mods) ->
+native_compile(Mods, Cache) ->
case dialyzer_utils:parallelism() > ?MIN_PARALLELISM of
true ->
Parent = self(),
- Pids = [spawn(fun () -> Parent ! {self(), hc(M)} end) || M <- Mods],
+ Pids = [spawn(fun () -> Parent ! {self(), hc(M, Cache)} end) || M <- Mods],
lists:foreach(fun (Pid) -> receive {Pid, Res} -> Res end end, Pids);
false ->
- lists:foreach(fun (Mod) -> hc(Mod) end, Mods)
+ lists:foreach(fun (Mod) -> hc(Mod, Cache) end, Mods)
end.
-hc(Mod) ->
+hc(Mod, Cache) ->
{module, Mod} = code:ensure_loaded(Mod),
case code:is_module_native(Mod) of
true -> ok;
false ->
%% io:format(" ~w", [Mod]),
- {ok, Mod} = hipe:c(Mod),
- ok
+ case Cache of
+ false ->
+ {ok, Mod} = hipe:c(Mod),
+ ok;
+ true ->
+ hc_cache(Mod)
+ end
end.
+hc_cache(Mod) ->
+ CacheBase = cache_base_dir(),
+ %% Use HiPE architecture and version in directory name, to avoid
+ %% clashes between incompatible binaries.
+ HipeArchVersion =
+ lists:concat(
+ [erlang:system_info(hipe_architecture), "-",
+ hipe:version(), "-",
+ hipe_bifs:system_crc()]),
+ CacheDir = filename:join(CacheBase, HipeArchVersion),
+ OrigBeamFile = code:which(Mod),
+ {ok, {Mod, <<Checksum:128>>}} = beam_lib:md5(OrigBeamFile),
+ CachedBeamFile = filename:join(CacheDir, lists:concat([Mod, "-", Checksum, ".beam"])),
+ ok = filelib:ensure_dir(CachedBeamFile),
+ ModBin =
+ case filelib:is_file(CachedBeamFile) of
+ true ->
+ {ok, BinFromFile} = file:read_file(CachedBeamFile),
+ BinFromFile;
+ false ->
+ {ok, Mod, CompiledBin} = compile:file(OrigBeamFile, [from_beam, native, binary]),
+ ok = file:write_file(CachedBeamFile, CompiledBin),
+ CompiledBin
+ end,
+ code:unstick_dir(filename:dirname(OrigBeamFile)),
+ {module, Mod} = code:load_binary(Mod, CachedBeamFile, ModBin),
+ true = code:is_module_native(Mod),
+ ok.
+
+cache_base_dir() ->
+ %% http://standards.freedesktop.org/basedir-spec/basedir-spec-0.7.html
+ %% If XDG_CACHE_HOME is set to an absolute path, use it as base.
+ XdgCacheHome = os:getenv("XDG_CACHE_HOME"),
+ CacheHome =
+ case is_list(XdgCacheHome) andalso filename:pathtype(XdgCacheHome) =:= absolute of
+ true ->
+ XdgCacheHome;
+ false ->
+ %% Otherwise, the default is $HOME/.cache.
+ {ok, [[Home]]} = init:get_argument(home),
+ filename:join(Home, ".cache")
+ end,
+ filename:join([CacheHome, "dialyzer_hipe_cache"]).
+
new_state() ->
#cl_state{}.