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authorRichard Carlsson <[email protected]>2015-04-20 14:27:34 +0200
committerRichard Carlsson <[email protected]>2015-06-04 10:31:36 +0200
commitccdcb7a5c7b2c3bc1b50a5314b3045c0782d76bd (patch)
tree096e7e8292c6cf84719d61fc9d842e367a65033f /lib
parentc67741f8c505a9c17ffaf60f1cc37458b7e1301c (diff)
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Move architecture knowledge out of hipe loader
Make code_server be responsible for finding the architecture and deciding whether to try to load native code, in order to avoid repeated calls to system_info(hipe_architecture) and clumsy uses of try/catch to test if hipe is enabled.
Diffstat (limited to 'lib')
-rw-r--r--lib/kernel/src/code_server.erl70
-rw-r--r--lib/kernel/src/hipe_unified_loader.erl111
2 files changed, 94 insertions, 87 deletions
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl
index 819554ce74..a4342715ef 100644
--- a/lib/kernel/src/code_server.erl
+++ b/lib/kernel/src/code_server.erl
@@ -324,12 +324,15 @@ handle_call({load_binary,Mod,File,Bin}, Caller, S) ->
do_load_binary(Mod, File, Bin, Caller, S);
handle_call({load_native_partial,Mod,Bin}, {_From,_Tag}, S) ->
- Result = (catch hipe_unified_loader:load(Mod, Bin)),
+ Architecture = erlang:system_info(hipe_architecture),
+ Result = (catch hipe_unified_loader:load(Mod, Bin, Architecture)),
Status = hipe_result_to_status(Result),
{reply,Status,S};
handle_call({load_native_sticky,Mod,Bin,WholeModule}, {_From,_Tag}, S) ->
- Result = (catch hipe_unified_loader:load_module(Mod, Bin, WholeModule)),
+ Architecture = erlang:system_info(hipe_architecture),
+ Result = (catch hipe_unified_loader:load_module(Mod, Bin, WholeModule,
+ Architecture)),
Status = hipe_result_to_status(Result),
{reply,Status,S};
@@ -1259,30 +1262,40 @@ try_load_module_1(File, Mod, Bin, Caller, #state{moddb=Db}=St) ->
error_msg("Can't load module that resides in sticky dir\n",[]),
{reply,{error,sticky_directory},St};
false ->
- case catch load_native_code(Mod, Bin) of
- {module,Mod} = Module ->
- ets:insert(Db, {Mod,File}),
- {reply,Module,St};
- no_native ->
- case erlang:load_module(Mod, Bin) of
- {module,Mod} = Module ->
- ets:insert(Db, {Mod,File}),
- post_beam_load(Mod),
- {reply,Module,St};
- {error,on_load} ->
- handle_on_load(Mod, File, Caller, St);
- {error,What} = Error ->
- error_msg("Loading of ~ts failed: ~p\n", [File, What]),
- {reply,Error,St}
- end;
- Error ->
- error_msg("Native loading of ~ts failed: ~p\n",
- [File,Error]),
- {reply,ok,St}
- end
+ Architecture = erlang:system_info(hipe_architecture),
+ try_load_module_2(File, Mod, Bin, Caller, Architecture, St)
+ end.
+
+try_load_module_2(File, Mod, Bin, Caller, undefined, St) ->
+ try_load_module_3(File, Mod, Bin, Caller, undefined, St);
+try_load_module_2(File, Mod, Bin, Caller, Architecture,
+ #state{moddb=Db}=St) ->
+ case catch load_native_code(Mod, Bin, Architecture) of
+ {module,Mod} = Module ->
+ ets:insert(Db, {Mod,File}),
+ {reply,Module,St};
+ no_native ->
+ try_load_module_3(File, Mod, Bin, Caller, Architecture, St);
+ Error ->
+ error_msg("Native loading of ~ts failed: ~p\n", [File,Error]),
+ {reply,ok,St}
+ end.
+
+try_load_module_3(File, Mod, Bin, Caller, Architecture,
+ #state{moddb=Db}=St) ->
+ case erlang:load_module(Mod, Bin) of
+ {module,Mod} = Module ->
+ ets:insert(Db, {Mod,File}),
+ post_beam_load(Mod, Architecture),
+ {reply,Module,St};
+ {error,on_load} ->
+ handle_on_load(Mod, File, Caller, St);
+ {error,What} = Error ->
+ error_msg("Loading of ~ts failed: ~p\n", [File, What]),
+ {reply,Error,St}
end.
-load_native_code(Mod, Bin) ->
+load_native_code(Mod, Bin, Architecture) ->
%% During bootstrapping of Open Source Erlang, we don't have any hipe
%% loader modules, but the Erlang emulator might be hipe enabled.
%% Therefore we must test for that the loader modules are available
@@ -1291,7 +1304,8 @@ load_native_code(Mod, Bin) ->
false ->
no_native;
true ->
- Result = hipe_unified_loader:load_native_code(Mod, Bin),
+ Result = hipe_unified_loader:load_native_code(Mod, Bin,
+ Architecture),
case Result of
{module,_} ->
put(?ANY_NATIVE_CODE_LOADED, true);
@@ -1310,12 +1324,12 @@ hipe_result_to_status(Result) ->
{error,Result}
end.
-post_beam_load(Mod) ->
- %% post_beam_load/1 can potentially be very expensive because it
+post_beam_load(Mod, Architecture) ->
+ %% post_beam_load/2 can potentially be very expensive because it
%% blocks multi-scheduling; thus we want to avoid the call if we
%% know that it is not needed.
case get(?ANY_NATIVE_CODE_LOADED) of
- true -> hipe_unified_loader:post_beam_load(Mod);
+ true -> hipe_unified_loader:post_beam_load(Mod, Architecture);
false -> ok
end.
diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl
index 949a3c9207..ddbbc548dd 100644
--- a/lib/kernel/src/hipe_unified_loader.erl
+++ b/lib/kernel/src/hipe_unified_loader.erl
@@ -43,10 +43,10 @@
-export([chunk_name/1,
%% Only the code and code_server modules may call the entries below!
- load_native_code/2,
- post_beam_load/1,
- load_module/3,
- load/2]).
+ load_native_code/3,
+ post_beam_load/2,
+ load_module/4,
+ load/3]).
%%-define(DEBUG,true).
-define(DO_ASSERT,true).
@@ -91,56 +91,48 @@ word_size(Architecture) ->
%%========================================================================
--spec load_native_code(Mod, binary()) -> 'no_native' | {'module', Mod}
- when Mod :: atom().
+-spec load_native_code(Mod, binary(), hipe_architecture()) ->
+ 'no_native' | {'module', Mod} when Mod :: atom().
%% @doc
%% Loads the native code of a module Mod.
%% Returns {module,Mod} on success (for compatibility with
%% code:load_file/1) and the atom `no_native' on failure.
-load_native_code(Mod, Bin) when is_atom(Mod), is_binary(Bin) ->
- Architecture = erlang:system_info(hipe_architecture),
- try chunk_name(Architecture) of
- ChunkTag ->
- %% patch_to_emu(Mod),
- case code:get_chunk(Bin, ChunkTag) of
- undefined -> no_native;
- NativeCode when is_binary(NativeCode) ->
- erlang:system_flag(multi_scheduling, block),
- try
- OldReferencesToPatch = patch_to_emu_step1(Mod),
- case load_module(Mod, NativeCode, Bin, OldReferencesToPatch) of
- bad_crc -> no_native;
- Result -> Result
- end
- after
- erlang:system_flag(multi_scheduling, unblock)
- end
+load_native_code(_Mod, _Bin, undefined) ->
+ no_native;
+load_native_code(Mod, Bin, Architecture) when is_atom(Mod), is_binary(Bin) ->
+ %% patch_to_emu(Mod),
+ case code:get_chunk(Bin, chunk_name(Architecture)) of
+ undefined -> no_native;
+ NativeCode when is_binary(NativeCode) ->
+ erlang:system_flag(multi_scheduling, block),
+ try
+ OldReferencesToPatch = patch_to_emu_step1(Mod),
+ case load_module(Mod, NativeCode, Bin, OldReferencesToPatch,
+ Architecture) of
+ bad_crc -> no_native;
+ Result -> Result
+ end
+ after
+ erlang:system_flag(multi_scheduling, unblock)
end
- catch
- _:_ ->
- %% Unknown HiPE architecture. Can't happen (in principle).
- no_native
end.
%%========================================================================
--spec post_beam_load(atom()) -> 'ok'.
+-spec post_beam_load(atom(), hipe_architecture()) -> 'ok'.
-post_beam_load(Mod) when is_atom(Mod) ->
- Architecture = erlang:system_info(hipe_architecture),
- try chunk_name(Architecture) of
- _ChunkTag ->
- erlang:system_flag(multi_scheduling, block),
- try
- patch_to_emu(Mod)
- after
- erlang:system_flag(multi_scheduling, unblock)
- end
- catch
- _:_ ->
- ok
- end.
+%% does nothing on a hipe-disabled system
+post_beam_load(_Mod, undefined) ->
+ ok;
+post_beam_load(Mod, _) when is_atom(Mod) ->
+ erlang:system_flag(multi_scheduling, block),
+ try
+ patch_to_emu(Mod)
+ after
+ erlang:system_flag(multi_scheduling, unblock)
+ end,
+ ok.
%%========================================================================
@@ -155,46 +147,48 @@ version_check(Version, Mod) when is_atom(Mod) ->
%%========================================================================
--spec load_module(Mod, binary(), _) -> 'bad_crc' | {'module', Mod}
- when Mod :: atom().
-load_module(Mod, Bin, Beam) ->
+-spec load_module(Mod, binary(), _, hipe_architecture()) ->
+ 'bad_crc' | {'module', Mod} when Mod :: atom().
+
+load_module(Mod, Bin, Beam, Architecture) ->
erlang:system_flag(multi_scheduling, block),
try
- load_module_nosmp(Mod, Bin, Beam)
+ load_module_nosmp(Mod, Bin, Beam, Architecture)
after
erlang:system_flag(multi_scheduling, unblock)
end.
-load_module_nosmp(Mod, Bin, Beam) ->
- load_module(Mod, Bin, Beam, []).
+load_module_nosmp(Mod, Bin, Beam, Architecture) ->
+ load_module(Mod, Bin, Beam, [], Architecture).
-load_module(Mod, Bin, Beam, OldReferencesToPatch) ->
+load_module(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
?debug_msg("************ Loading Module ~w ************\n",[Mod]),
%% Loading a whole module, let the BEAM loader patch closures.
put(hipe_patch_closures, false),
- load_common(Mod, Bin, Beam, OldReferencesToPatch).
+ load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture).
%%========================================================================
--spec load(Mod, binary()) -> 'bad_crc' | {'module', Mod} when Mod :: atom().
+-spec load(Mod, binary(), hipe_architecture()) ->
+ 'bad_crc' | {'module', Mod} when Mod :: atom().
-load(Mod, Bin) ->
+load(Mod, Bin, Architecture) ->
erlang:system_flag(multi_scheduling, block),
try
- load_nosmp(Mod, Bin)
+ load_nosmp(Mod, Bin, Architecture)
after
erlang:system_flag(multi_scheduling, unblock)
end.
-load_nosmp(Mod, Bin) ->
+load_nosmp(Mod, Bin, Architecture) ->
?debug_msg("********* Loading funs in module ~w *********\n",[Mod]),
%% Loading just some functions in a module; patch closures separately.
put(hipe_patch_closures, true),
- load_common(Mod, Bin, [], []).
+ load_common(Mod, Bin, [], [], Architecture).
%%------------------------------------------------------------------------
-load_common(Mod, Bin, Beam, OldReferencesToPatch) ->
+load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
%% Unpack the binary.
[{Version, CheckSum},
ConstAlign, ConstSize, ConstMap, LabelMap, ExportMap,
@@ -219,7 +213,6 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch) ->
bad_crc;
true ->
put(closures_to_patch, []),
- Architecture=erlang:system_info(hipe_architecture),
WordSize = word_size(Architecture),
WriteWord = write_word_fun(WordSize),
%% Create data segment
@@ -834,7 +827,7 @@ address_to_mfa_lth(_Address, [], Prev) ->
%%----------------------------------------------------------------
%% Change callers of the given module to instead trap to BEAM.
-%% load_native_code/2 calls this just before loading native code.
+%% load_native_code/3 calls this just before loading native code.
%%
patch_to_emu(Mod) ->
patch_to_emu_step2(patch_to_emu_step1(Mod)).