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-rw-r--r--lib/kernel/doc/src/heart.xml10
-rw-r--r--lib/kernel/src/code.erl50
-rw-r--r--lib/kernel/src/erts_debug.erl15
-rw-r--r--lib/kernel/src/heart.erl2
-rw-r--r--lib/kernel/src/hipe_unified_loader.erl8
-rw-r--r--lib/kernel/src/kernel.erl6
-rw-r--r--lib/kernel/src/user_drv.erl4
-rw-r--r--lib/kernel/test/code_SUITE.erl7
-rw-r--r--lib/kernel/test/heart_SUITE.erl8
9 files changed, 83 insertions, 27 deletions
diff --git a/lib/kernel/doc/src/heart.xml b/lib/kernel/doc/src/heart.xml
index 3ec33d2f18..a424d2978e 100644
--- a/lib/kernel/doc/src/heart.xml
+++ b/lib/kernel/doc/src/heart.xml
@@ -78,6 +78,16 @@
<pre>
% <input>erl -heart -env ERL_CRASH_DUMP_SECONDS 10 ...</input></pre>
+
+ <p> If a regular core dump is wanted, let heart know by setting the kill signal to abort
+ using the environment variable <c><![CDATA[HEART_KILL_SIGNAL=SIGABRT]]></c>.
+ If unset, or not set to <c><![CDATA[SIGABRT]]></c>, the default behaviour will be a kill
+ signal using <c><![CDATA[SIGKILL]]></c>.
+ </p>
+
+ <pre>
+% <input>erl -heart -env HEART_KILL_SIGNAL SIGABRT ...</input></pre>
+
<p>
Furthermore, <c><![CDATA[ERL_CRASH_DUMP_SECONDS]]></c> has the following behaviour on
<c>heart</c>:
diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl
index 0eda558ed5..d73d1ff281 100644
--- a/lib/kernel/src/code.erl
+++ b/lib/kernel/src/code.erl
@@ -339,7 +339,7 @@ do_start(Flags) ->
ok
end,
%% Quietly load native code for all modules loaded so far
- catch load_native_code_for_all_loaded(),
+ load_native_code_for_all_loaded(),
Ok2;
Other ->
Other
@@ -550,18 +550,42 @@ has_ext(Ext, Extlen, File) ->
_ -> false
end.
+%%%
+%%% Silently load native code for all modules loaded so far.
+%%%
+
-spec load_native_code_for_all_loaded() -> ok.
load_native_code_for_all_loaded() ->
Architecture = erlang:system_info(hipe_architecture),
- ChunkName = hipe_unified_loader:chunk_name(Architecture),
- lists:foreach(fun({Module, BeamFilename}) ->
- case code:is_module_native(Module) of
- false ->
- case beam_lib:chunks(BeamFilename, [ChunkName]) of
- {ok,{_,[{_,Bin}]}} when is_binary(Bin) ->
- load_native_partial(Module, Bin);
- {error, beam_lib, _} -> ok
- end;
- true -> ok
- end
- end, all_loaded()).
+ try hipe_unified_loader:chunk_name(Architecture) of
+ ChunkTag ->
+ Loaded = all_loaded(),
+ spawn(fun() -> load_all_native(Loaded, ChunkTag) end)
+ catch
+ _:_ ->
+ ok
+ end,
+ ok.
+
+load_all_native(Loaded, ChunkTag) ->
+ catch load_all_native_1(Loaded, ChunkTag).
+
+load_all_native_1([{_,preloaded}|T], ChunkTag) ->
+ load_all_native_1(T, ChunkTag);
+load_all_native_1([{Mod,BeamFilename}|T], ChunkTag) ->
+ case code:is_module_native(Mod) of
+ false ->
+ %% prim_file is faster than file and the file server may
+ %% not be started yet.
+ {ok,Beam} = prim_file:read_file(BeamFilename),
+ case code:get_chunk(Beam, ChunkTag) of
+ undefined ->
+ ok;
+ NativeCode when is_binary(NativeCode) ->
+ load_native_partial(Mod, NativeCode)
+ end;
+ true -> ok
+ end,
+ load_all_native_1(T, ChunkTag);
+load_all_native_1([], _) ->
+ ok.
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl
index 17bee06b5e..8f81fcf825 100644
--- a/lib/kernel/src/erts_debug.erl
+++ b/lib/kernel/src/erts_debug.erl
@@ -20,7 +20,7 @@
%% Low-level debugging support. EXPERIMENTAL!
--export([size/1,df/1,df/2,df/3]).
+-export([size/1,df/1,df/2,df/3,ic/1]).
%% This module contains the following *experimental* BIFs:
%% disassemble/1
@@ -114,6 +114,19 @@ get_internal_state(_) ->
instructions() ->
erlang:nif_error(undef).
+-spec ic(F) -> Result when
+ F :: function(),
+ Result :: term().
+
+ic(F) when is_function(F) ->
+ Is0 = erlang:system_info(instruction_counts),
+ R = F(),
+ Is1 = erlang:system_info(instruction_counts),
+ Is = lists:keysort(2,[{I,C1 - C0}||{{I,C1},{I,C0}} <- lists:zip(Is1,Is0)]),
+ _ = [io:format("~12w ~w~n", [C,I])||{I,C}<-Is],
+ io:format("Total: ~w~n",[lists:sum([C||{_I,C}<-Is])]),
+ R.
+
-spec lock_counters(info) -> term();
(clear) -> ok;
({copy_save, boolean()}) -> boolean();
diff --git a/lib/kernel/src/heart.erl b/lib/kernel/src/heart.erl
index daed6dd488..77cd5433de 100644
--- a/lib/kernel/src/heart.erl
+++ b/lib/kernel/src/heart.erl
@@ -25,7 +25,7 @@
%%%--------------------------------------------------------------------
%%% This is a rewrite of pre_heart from BS.3.
%%%
-%%% The purpose of this process-module is to act as an supervisor
+%%% The purpose of this process-module is to act as a supervisor
%%% of the entire erlang-system. This 'heart' beats with a frequence
%%% satisfying an external port program *not* reboot the entire
%%% system. If however the erlang-emulator would hang, a reboot is
diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl
index 2d124d95b7..49d4a8fe54 100644
--- a/lib/kernel/src/hipe_unified_loader.erl
+++ b/lib/kernel/src/hipe_unified_loader.erl
@@ -194,6 +194,7 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch) ->
CodeSize, CodeBinary, Refs,
0,[] % ColdSize, CRrefs
] = binary_to_term(Bin),
+ MD5 = erlang:md5(Bin), % use md5 of actual running code for module_info
?debug_msg("***** ErLLVM *****~nVersion: ~s~nCheckSum: ~w~nConstAlign: ~w~n" ++
"ConstSize: ~w~nConstMap: ~w~nLabelMap: ~w~nExportMap ~w~nRefs ~w~n",
[Version, CheckSum, ConstAlign, ConstSize, ConstMap, LabelMap, ExportMap,
@@ -254,7 +255,8 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch) ->
AddressesOfClosuresToPatch =
calculate_addresses(ClosurePatches, CodeAddress, Addresses),
export_funs(Addresses),
- export_funs(Mod, BeamBinary, Addresses, AddressesOfClosuresToPatch)
+ export_funs(Mod, MD5, BeamBinary,
+ Addresses, AddressesOfClosuresToPatch)
end,
%% Redirect references to the old module to the new module's BEAM stub.
patch_to_emu_step2(OldReferencesToPatch),
@@ -430,9 +432,9 @@ export_funs([FunDef | Addresses]) ->
export_funs([]) ->
ok.
-export_funs(Mod, Beam, Addresses, ClosuresToPatch) ->
+export_funs(Mod, MD5, Beam, Addresses, ClosuresToPatch) ->
Fs = [{F,A,Address} || #fundef{address=Address, mfa={_M,F,A}} <- Addresses],
- Mod = code:make_stub_module(Mod, Beam, {Fs,ClosuresToPatch}),
+ Mod = code:make_stub_module(Mod, Beam, {Fs,ClosuresToPatch,MD5}),
ok.
%%========================================================================
diff --git a/lib/kernel/src/kernel.erl b/lib/kernel/src/kernel.erl
index ecdb32424a..cc5683ba06 100644
--- a/lib/kernel/src/kernel.erl
+++ b/lib/kernel/src/kernel.erl
@@ -117,7 +117,7 @@ init([]) ->
[{local, kernel_safe_sup}, ?MODULE, safe]},
permanent, infinity, supervisor, [?MODULE]},
{ok, {SupFlags,
- [File, Code, StdError, User,
+ [Code, File, StdError, User,
Config, SafeSupervisor]}};
_ ->
Rpc = {rex, {rpc, start_link, []},
@@ -139,8 +139,8 @@ init([]) ->
[{local, kernel_safe_sup}, ?MODULE, safe]},
permanent, infinity, supervisor, [?MODULE]},
{ok, {SupFlags,
- [Rpc, Global, InetDb | DistAC] ++
- [NetSup, Glo_grp, File, Code,
+ [Code, Rpc, Global, InetDb | DistAC] ++
+ [NetSup, Glo_grp, File,
StdError, User, Config, SafeSupervisor] ++ Timer}}
end;
init(safe) ->
diff --git a/lib/kernel/src/user_drv.erl b/lib/kernel/src/user_drv.erl
index e6ce85c379..380c685869 100644
--- a/lib/kernel/src/user_drv.erl
+++ b/lib/kernel/src/user_drv.erl
@@ -133,6 +133,7 @@ server1(Iport, Oport, Shell) ->
flatten(io_lib:format("~ts\n",
[erlang:system_info(system_version)]))},
Iport, Oport),
+
%% Enter the server loop.
server_loop(Iport, Oport, Curr, User, Gr, queue:new()).
@@ -315,6 +316,9 @@ handle_escape(Iport, Oport, User, Gr, IOQueue) ->
_ -> % {ok,jcl} | undefined
io_request({put_chars,unicode,"\nUser switch command\n"}, Iport, Oport),
+ %% init edlin used by switch command and have it copy the
+ %% text buffer from current group process
+ edlin:init(gr_cur_pid(Gr)),
server_loop(Iport, Oport, User, switch_loop(Iport, Oport, Gr), IOQueue)
end.
diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl
index afedc17e57..549c65d034 100644
--- a/lib/kernel/test/code_SUITE.erl
+++ b/lib/kernel/test/code_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -1396,8 +1396,9 @@ on_load_binary(_) ->
{tuple,6,[{atom,6,Mod},{call,6,{atom,6,self},[]}]}},
{'receive',7,[{clause,8,[{atom,8,go}],[],[{atom,8,ok}]}]}]}]},
{function,11,ok,0,[{clause,11,[],[],[{atom,11,true}]}]}],
- {ok,Mod,Bin} = compile:forms(Forms, [report]),
- [io:put_chars(erl_pp:form(F)) || F <- Forms],
+ Forms1 = erl_parse:new_anno(Forms),
+ {ok,Mod,Bin} = compile:forms(Forms1, [report]),
+ [io:put_chars(erl_pp:form(F)) || F <- Forms1],
{Pid1,Ref1} = spawn_monitor(fun() ->
code:load_binary(Mod, File, Bin),
diff --git a/lib/kernel/test/heart_SUITE.erl b/lib/kernel/test/heart_SUITE.erl
index 35d3b75b34..43224cf554 100644
--- a/lib/kernel/test/heart_SUITE.erl
+++ b/lib/kernel/test/heart_SUITE.erl
@@ -562,13 +562,15 @@ suicide_by_heart() ->
generate(Module, Attributes, FunStrings) ->
FunForms = function_forms(FunStrings),
Forms = [
- {attribute,1,module,Module},
- {attribute,2,export,[FA || {FA,_} <- FunForms]}
- ] ++ [{attribute, 3, A, V}|| {A, V} <- Attributes] ++
+ {attribute,a(1),module,Module},
+ {attribute,a(2),export,[FA || {FA,_} <- FunForms]}
+ ] ++ [{attribute, a(3), A, V}|| {A, V} <- Attributes] ++
[ Function || {_, Function} <- FunForms],
{ok, Module, Bin} = compile:forms(Forms),
Bin.
+a(L) ->
+ erl_anno:new(L).
function_forms([]) -> [];
function_forms([S|Ss]) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 01:04:26 +0000