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-rw-r--r--erts/emulator/beam/erl_bif_info.c8
-rw-r--r--erts/emulator/beam/external.c91
-rw-r--r--erts/emulator/test/binary_SUITE.erl51
-rw-r--r--lib/kernel/src/dist_util.erl3
-rw-r--r--lib/kernel/test/erl_distribution_wb_SUITE.erl6
5 files changed, 55 insertions, 104 deletions
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 27bbf70c0b..9d05680723 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -3830,10 +3830,10 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1)
BIF_RET(res);
}
}
- else if (ERTS_IS_ATOM_STR("term_to_binary_no_funs", tp[1])) {
- Uint dflags = (DFLAG_EXTENDED_REFERENCES |
- DFLAG_EXTENDED_PIDS_PORTS |
- DFLAG_BIT_BINARIES);
+ else if (ERTS_IS_ATOM_STR("term_to_binary_tuple_fallbacks", tp[1])) {
+ Uint dflags = (TERM_TO_BINARY_DFLAGS
+ & ~DFLAG_EXPORT_PTR_TAG
+ & ~DFLAG_BIT_BINARIES);
BIF_RET(erts_term_to_binary(BIF_P, tp[2], 0, dflags));
}
else if (ERTS_IS_ATOM_STR("dist_ctrl", tp[1])) {
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index 9761a69ad1..9230e1d8ab 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -2878,55 +2878,24 @@ enc_term_int(TTBEncodeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, byte* ep,
ErlFunThing* funp = (ErlFunThing *) fun_val(obj);
int ei;
- if ((dflags & DFLAG_NEW_FUN_TAGS) != 0) {
- *ep++ = NEW_FUN_EXT;
- WSTACK_PUSH2(s, ENC_PATCH_FUN_SIZE,
- (UWord) ep); /* Position for patching in size */
- ep += 4;
- *ep = funp->arity;
- ep += 1;
- sys_memcpy(ep, funp->fe->uniq, 16);
- ep += 16;
- put_int32(funp->fe->index, ep);
- ep += 4;
- put_int32(funp->num_free, ep);
- ep += 4;
- ep = enc_atom(acmp, funp->fe->module, ep, dflags);
- ep = enc_term(acmp, make_small(funp->fe->old_index), ep, dflags, off_heap);
- ep = enc_term(acmp, make_small(funp->fe->old_uniq), ep, dflags, off_heap);
- ep = enc_pid(acmp, funp->creator, ep, dflags);
- } else {
- /*
- * Communicating with an obsolete erl_interface or
- * jinterface node. Convert the fun to a tuple to
- * avoid crasching.
- */
-
- /* Tag, arity */
- *ep++ = SMALL_TUPLE_EXT;
- put_int8(5, ep);
- ep += 1;
-
- /* 'fun' */
- ep = enc_atom(acmp, am_fun, ep, dflags);
-
- /* Module name */
- ep = enc_atom(acmp, funp->fe->module, ep, dflags);
-
- /* Index, Uniq */
- *ep++ = INTEGER_EXT;
- put_int32(funp->fe->old_index, ep);
- ep += 4;
- *ep++ = INTEGER_EXT;
- put_int32(funp->fe->old_uniq, ep);
- ep += 4;
-
- /* Environment sub-tuple arity */
- ASSERT(funp->num_free < MAX_ARG);
- *ep++ = SMALL_TUPLE_EXT;
- put_int8(funp->num_free, ep);
- ep += 1;
- }
+ ASSERT(dflags & DFLAG_NEW_FUN_TAGS);
+ *ep++ = NEW_FUN_EXT;
+ WSTACK_PUSH2(s, ENC_PATCH_FUN_SIZE,
+ (UWord) ep); /* Position for patching in size */
+ ep += 4;
+ *ep = funp->arity;
+ ep += 1;
+ sys_memcpy(ep, funp->fe->uniq, 16);
+ ep += 16;
+ put_int32(funp->fe->index, ep);
+ ep += 4;
+ put_int32(funp->num_free, ep);
+ ep += 4;
+ ep = enc_atom(acmp, funp->fe->module, ep, dflags);
+ ep = enc_term(acmp, make_small(funp->fe->old_index), ep, dflags, off_heap);
+ ep = enc_term(acmp, make_small(funp->fe->old_uniq), ep, dflags, off_heap);
+ ep = enc_pid(acmp, funp->creator, ep, dflags);
+
for (ei = funp->num_free-1; ei > 0; ei--) {
WSTACK_PUSH2(s, ENC_TERM, (UWord) funp->env[ei]);
}
@@ -4281,24 +4250,12 @@ encode_size_struct_int(TTBSizeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj,
{
ErlFunThing* funp = (ErlFunThing *) fun_val(obj);
- if ((dflags & DFLAG_NEW_FUN_TAGS) != 0) {
- result += 20+1+1+4; /* New ID + Tag */
- result += 4; /* Length field (number of free variables */
- result += encode_size_struct2(acmp, funp->creator, dflags);
- result += encode_size_struct2(acmp, funp->fe->module, dflags);
- result += 2 * (1+4); /* Index, Uniq */
- } else {
- /*
- * Size when fun is mapped to a tuple.
- */
- result += 1 + 1; /* Tuple tag, arity */
- result += 1 + 1 + 2 +
- atom_tab(atom_val(am_fun))->len; /* 'fun' */
- result += 1 + 1 + 2 +
- atom_tab(atom_val(funp->fe->module))->len; /* Module name */
- result += 2 * (1 + 4); /* Index + Uniq */
- result += 1 + (funp->num_free < 0x100 ? 1 : 4);
- }
+ ASSERT(dflags & DFLAG_NEW_FUN_TAGS);
+ result += 20+1+1+4; /* New ID + Tag */
+ result += 4; /* Length field (number of free variables */
+ result += encode_size_struct2(acmp, funp->creator, dflags);
+ result += encode_size_struct2(acmp, funp->fe->module, dflags);
+ result += 2 * (1+4); /* Index, Uniq */
if (funp->num_free > 1) {
WSTACK_PUSH2(s, (UWord) (funp->env + 1),
(UWord) TERM_ARRAY_OP(funp->num_free-1));
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index cbc2d8fae5..b59c22f125 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -58,7 +58,9 @@
otp_5484/1,otp_5933/1,
ordering/1,unaligned_order/1,gc_test/1,
bit_sized_binary_sizes/1,
- otp_6817/1,deep/1,obsolete_funs/1,robustness/1,otp_8117/1,
+ otp_6817/1,deep/1,
+ term2bin_tuple_fallbacks/1,
+ robustness/1,otp_8117/1,
otp_8180/1, trapping/1, large/1,
error_after_yield/1, cmp_old_impl/1]).
@@ -79,7 +81,8 @@ all() ->
bad_term_to_binary, more_bad_terms, otp_5484, otp_5933,
ordering, unaligned_order, gc_test,
bit_sized_binary_sizes, otp_6817, otp_8117, deep,
- obsolete_funs, robustness, otp_8180, trapping, large,
+ term2bin_tuple_fallbacks,
+ robustness, otp_8180, trapping, large,
error_after_yield, cmp_old_impl].
groups() ->
@@ -1300,40 +1303,28 @@ deep_roundtrip(T) ->
B = term_to_binary(T),
T = binary_to_term(B).
-obsolete_funs(Config) when is_list(Config) ->
+term2bin_tuple_fallbacks(Config) when is_list(Config) ->
erts_debug:set_internal_state(available_internal_state, true),
- X = id({1,2,3}),
- Y = id([a,b,c,d]),
- Z = id({x,y,z}),
- obsolete_fun(fun() -> ok end),
- obsolete_fun(fun() -> X end),
- obsolete_fun(fun(A) -> {A,X} end),
- obsolete_fun(fun() -> {X,Y} end),
- obsolete_fun(fun() -> {X,Y,Z} end),
-
- obsolete_fun(fun ?MODULE:all/1),
+ term2bin_tf(fun ?MODULE:all/1),
+ term2bin_tf(<<1:1>>),
+ term2bin_tf(<<90,80:7>>),
erts_debug:set_internal_state(available_internal_state, false),
ok.
-obsolete_fun(Fun) ->
- Tuple = case erlang:fun_info(Fun, type) of
- {type,external} ->
- {module,M} = erlang:fun_info(Fun, module),
- {name,F} = erlang:fun_info(Fun, name),
- {M,F};
- {type,local} ->
- {module,M} = erlang:fun_info(Fun, module),
- {index,I} = erlang:fun_info(Fun, index),
- {uniq,U} = erlang:fun_info(Fun, uniq),
- {env,E} = erlang:fun_info(Fun, env),
- {'fun',M,I,U,list_to_tuple(E)}
- end,
- Tuple = no_fun_roundtrip(Fun).
-
-no_fun_roundtrip(Term) ->
- binary_to_term_stress(erts_debug:get_internal_state({term_to_binary_no_funs,Term})).
+term2bin_tf(Term) ->
+ Tuple = case Term of
+ Fun when is_function(Fun) ->
+ {type, external} = erlang:fun_info(Fun, type),
+ {module,M} = erlang:fun_info(Fun, module),
+ {name,F} = erlang:fun_info(Fun, name),
+ {M,F};
+ BS when bit_size(BS) rem 8 =/= 0 ->
+ Bits = bit_size(BS) rem 8,
+ {<<BS/bitstring, 0:(8-Bits)>>, Bits}
+ end,
+ Tuple = binary_to_term_stress(erts_debug:get_internal_state({term_to_binary_tuple_fallbacks,Term})).
%% Test non-standard encodings never generated by term_to_binary/1
%% but recognized by binary_to_term/1.
diff --git a/lib/kernel/src/dist_util.erl b/lib/kernel/src/dist_util.erl
index 08bd5946cd..fb9f7fd7eb 100644
--- a/lib/kernel/src/dist_util.erl
+++ b/lib/kernel/src/dist_util.erl
@@ -250,7 +250,8 @@ check_dflags(#hs_data{other_node = Node,
require_flags = RequiredFlags} = HSData) ->
Mandatory = ((?DFLAG_EXTENDED_REFERENCES
bor ?DFLAG_EXTENDED_PIDS_PORTS
- bor ?DFLAG_UTF8_ATOMS)
+ bor ?DFLAG_UTF8_ATOMS
+ bor ?DFLAG_NEW_FUN_TAGS)
bor RequiredFlags),
Missing = check_mandatory(0, ?DFLAGS_ALL, Mandatory,
OtherFlags, []),
diff --git a/lib/kernel/test/erl_distribution_wb_SUITE.erl b/lib/kernel/test/erl_distribution_wb_SUITE.erl
index 258ed4f88c..1145d30e5e 100644
--- a/lib/kernel/test/erl_distribution_wb_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_wb_SUITE.erl
@@ -61,9 +61,11 @@
%% From R9 and forward extended references is compulsory
%% From R10 and forward extended pids and ports are compulsory
%% From R20 and forward UTF8 atoms are compulsory
+%% From R21 and forward NEW_FUN_TAGS is compulsory (no more tuple fallback {fun, ...})
-define(COMPULSORY_DFLAGS, (?DFLAG_EXTENDED_REFERENCES bor
?DFLAG_EXTENDED_PIDS_PORTS bor
- ?DFLAG_UTF8_ATOMS)).
+ ?DFLAG_UTF8_ATOMS bor
+ ?DFLAG_NEW_FUN_TAGS)).
-define(PASS_THROUGH, $p).
@@ -682,7 +684,7 @@ recv_message(Socket) ->
<<_:Siz/binary,B2/binary>> = B1,
Message = case (catch binary_to_term(B2)) of
{'EXIT', _} ->
- could_not_digest_message;
+ {could_not_digest_message,B2};
Other ->
Other
end,
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-30 01:28:05 +0000