aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/beam/bif.tab8
-rw-r--r--erts/emulator/beam/external.c74
-rw-r--r--erts/emulator/hipe/hipe_bif_list.m44
-rw-r--r--erts/emulator/test/binary_SUITE.erl22
4 files changed, 75 insertions, 33 deletions
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 2d888862bf..9816883c9a 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -45,6 +45,7 @@ bif erlang:apply/3
bif erlang:atom_to_list/1
bif erlang:binary_to_list/1
bif erlang:binary_to_list/3
+bif erlang:binary_to_term/1
bif erlang:crc32/1
bif erlang:crc32/2
bif erlang:crc32_combine/3
@@ -151,8 +152,6 @@ bif erts_internal:port_command/3
bif erts_internal:port_control/3
bif erts_internal:port_close/1
bif erts_internal:port_connect/2
-bif erts_internal:binary_to_term/1
-bif erts_internal:binary_to_term/2
bif erts_internal:request_system_task/3
bif erts_internal:check_process_code/2
@@ -480,6 +479,11 @@ bif erlang:call_on_load_function/1
bif erlang:finish_after_on_load/2
#
+# New Bifs in R13B04
+#
+bif erlang:binary_to_term/2
+
+#
# The binary match bifs (New in R14A - EEP9)
#
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index e376253400..8d240355b0 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -108,26 +108,17 @@ static int encode_size_struct_int(struct TTBSizeContext_*, ErtsAtomCacheMap *acm
static Export binary_to_term_trap_export;
static BIF_RETTYPE binary_to_term_trap_1(BIF_ALIST_1);
-static Eterm binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binary* context_b);
+static BIF_RETTYPE binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binary* context_b,
+ Export *bif, Eterm arg0, Eterm arg1);
void erts_init_external(void) {
-#if 1 /* In R16 */
erts_init_trap_export(&term_to_binary_trap_export,
- am_erlang, am_term_to_binary_trap, 1,
+ am_erts_internal, am_term_to_binary_trap, 1,
&term_to_binary_trap_1);
erts_init_trap_export(&binary_to_term_trap_export,
- am_erlang, am_binary_to_term_trap, 1,
+ am_erts_internal, am_binary_to_term_trap, 1,
&binary_to_term_trap_1);
-#else
- sys_memset((void *) &term_to_binary_trap_export, 0, sizeof(Export));
- term_to_binary_trap_export.address = &term_to_binary_trap_export.code[3];
- term_to_binary_trap_export.code[0] = am_erlang;
- term_to_binary_trap_export.code[1] = am_term_to_binary_trap;
- term_to_binary_trap_export.code[2] = 1;
- term_to_binary_trap_export.code[3] = (BeamInstr) em_apply_bif;
- term_to_binary_trap_export.code[4] = (BeamInstr) &term_to_binary_trap_1;
-#endif
return;
}
@@ -1186,6 +1177,8 @@ typedef struct B2TContext_t {
Uint32 flags;
SWord reds;
Eterm trap_bin;
+ Export *bif;
+ Eterm arg[2];
enum B2TState state;
union {
B2TSizeContext sc;
@@ -1357,7 +1350,8 @@ static BIF_RETTYPE binary_to_term_trap_1(BIF_ALIST_1)
Binary *context_bin = ((ProcBin *) binary_val(BIF_ARG_1))->val;
ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(context_bin) == b2t_context_destructor);
- return binary_to_term_int(BIF_P, 0, THE_NON_VALUE, context_bin);
+ return binary_to_term_int(BIF_P, 0, THE_NON_VALUE, context_bin, NULL,
+ THE_NON_VALUE, THE_NON_VALUE);
}
@@ -1392,8 +1386,10 @@ static B2TContext* b2t_export_context(Process* p, B2TContext* src)
return ctx;
}
-static Eterm binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binary* context_b)
+static BIF_RETTYPE binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binary* context_b,
+ Export *bif_init, Eterm arg0, Eterm arg1)
{
+ BIF_RETTYPE ret_val;
#ifdef EXTREME_B2T_TRAPPING
SWord initial_reds = 1 + b2t_rand() % 4;
#else
@@ -1410,6 +1406,9 @@ static Eterm binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binary* con
ctx->state = B2TPrepare;
ctx->aligned_alloc = NULL;
ctx->flags = flags;
+ ctx->bif = bif_init;
+ ctx->arg[0] = arg0;
+ ctx->arg[1] = arg1;
IF_DEBUG(ctx->trap_bin = THE_NON_VALUE;)
} else {
is_first_call = 0;
@@ -1505,12 +1504,24 @@ static Eterm binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binary* con
HRelease(p, ctx->u.dc.hp_end, ctx->u.dc.hp_start);
/*fall through*/
case B2TBadArg:
- b2t_destroy_context(ctx);
- if (!is_first_call) {
- erts_set_gc_state(p, 1);
- }
BUMP_REDS(p, (initial_reds - ctx->reds) / B2T_BYTES_PER_REDUCTION);
- BIF_ERROR(p, BADARG & ~EXF_SAVETRACE);
+
+ ASSERT(ctx->bif == bif_export[BIF_binary_to_term_1]
+ || ctx->bif == bif_export[BIF_binary_to_term_2]);
+
+ if (is_first_call)
+ ERTS_BIF_PREP_ERROR(ret_val, p, BADARG);
+ else {
+ erts_set_gc_state(p, 1);
+ if (is_non_value(ctx->arg[1]))
+ ERTS_BIF_PREP_ERROR_TRAPPED1(ret_val, p, BADARG, ctx->bif,
+ ctx->arg[0]);
+ else
+ ERTS_BIF_PREP_ERROR_TRAPPED2(ret_val, p, BADARG, ctx->bif,
+ ctx->arg[0], ctx->arg[1]);
+ }
+ b2t_destroy_context(ctx);
+ return ret_val;
case B2TDone:
b2t_destroy_context(ctx);
@@ -1525,7 +1536,8 @@ static Eterm binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binary* con
erts_set_gc_state(p, 1);
}
BUMP_REDS(p, (initial_reds - ctx->reds) / B2T_BYTES_PER_REDUCTION);
- return ctx->u.dc.res;
+ ERTS_BIF_PREP_RET(ret_val, ctx->u.dc.res);
+ return ret_val;
default:
ASSERT(!"Unknown state in binary_to_term");
@@ -1542,19 +1554,24 @@ static Eterm binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binary* con
erts_set_gc_state(p, 0);
}
BUMP_ALL_REDS(p);
- BIF_TRAP1(&binary_to_term_trap_export, p, ctx->trap_bin);
+
+ ERTS_BIF_PREP_TRAP1(ret_val, &binary_to_term_trap_export,
+ p, ctx->trap_bin);
+
+ return ret_val;
}
-HIPE_WRAPPER_BIF_DISABLE_GC(erts_internal_binary_to_term, 1)
+HIPE_WRAPPER_BIF_DISABLE_GC(binary_to_term, 1)
-BIF_RETTYPE erts_internal_binary_to_term_1(BIF_ALIST_1)
+BIF_RETTYPE binary_to_term_1(BIF_ALIST_1)
{
- return binary_to_term_int(BIF_P, 0, BIF_ARG_1, NULL);
+ return binary_to_term_int(BIF_P, 0, BIF_ARG_1, NULL, bif_export[BIF_binary_to_term_1],
+ BIF_ARG_1, THE_NON_VALUE);
}
-HIPE_WRAPPER_BIF_DISABLE_GC(erts_internal_binary_to_term, 2)
+HIPE_WRAPPER_BIF_DISABLE_GC(binary_to_term, 2)
-BIF_RETTYPE erts_internal_binary_to_term_2(BIF_ALIST_2)
+BIF_RETTYPE binary_to_term_2(BIF_ALIST_2)
{
Eterm opts;
Eterm opt;
@@ -1575,7 +1592,8 @@ BIF_RETTYPE erts_internal_binary_to_term_2(BIF_ALIST_2)
if (is_not_nil(opts))
goto error;
- return binary_to_term_int(BIF_P, flags, BIF_ARG_1, NULL);
+ return binary_to_term_int(BIF_P, flags, BIF_ARG_1, NULL, bif_export[BIF_binary_to_term_2],
+ BIF_ARG_1, BIF_ARG_2);
error:
BIF_ERROR(BIF_P, BADARG);
diff --git a/erts/emulator/hipe/hipe_bif_list.m4 b/erts/emulator/hipe/hipe_bif_list.m4
index 16765fdb99..5f92b6bac4 100644
--- a/erts/emulator/hipe/hipe_bif_list.m4
+++ b/erts/emulator/hipe/hipe_bif_list.m4
@@ -268,8 +268,8 @@ noproc_primop_interface_1(nbif_atomic_inc, hipe_atomic_inc)
*/
define(CFUN,`ifelse($1,term_to_binary_1,hipe_wrapper_term_to_binary_1,
ifelse($1,term_to_binary_2,hipe_wrapper_term_to_binary_2,
-ifelse($1,erts_internal_binary_to_term_1,hipe_wrapper_erts_internal_binary_to_term_1,
-ifelse($1,erts_internal_binary_to_term_2,hipe_wrapper_erts_internal_binary_to_term_2,
+ifelse($1,binary_to_term_1,hipe_wrapper_binary_to_term_1,
+ifelse($1,binary_to_term_2,hipe_wrapper_binary_to_term_2,
ifelse($1,binary_to_list_1,hipe_wrapper_binary_to_list_1,
ifelse($1,binary_to_list_3,hipe_wrapper_binary_to_list_3,
ifelse($1,bitstring_to_list_1,hipe_wrapper_bitstring_to_list_1,
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index 22c4ed29ad..44e9e4f243 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -1420,6 +1420,11 @@ error_after_yield(Config) when is_list(Config) ->
error_after_yield(badarg, erlang, list_to_bitstring, 1, fun () -> [[list2bitstrlist(mk_list(1000000)), oops]] end, L2BTrap),
error_after_yield(badarg, binary, list_to_bin, 1, fun () -> [[mk_list(1000000), oops]] end, L2BTrap),
+ B2TTrap = {erts_internal, binary_to_term_trap, 1},
+
+ error_after_yield(badarg, erlang, binary_to_term, 1, fun () -> [error_after_yield_bad_ext_term()] end, B2TTrap),
+ error_after_yield(badarg, erlang, binary_to_term, 2, fun () -> [error_after_yield_bad_ext_term(), [safe]] end, B2TTrap),
+
case erlang:system_info(wordsize) of
4 ->
SysLimitSz = 1 bsl 32,
@@ -1462,7 +1467,7 @@ error_after_yield(Type, M, F, AN, AFun, TrapFunc) ->
{trace_delivered, Pid, TD} ->
NoYields = error_after_yield_sched(Pid, TrapFunc, 0),
io:format("No of yields: ~p~n", [NoYields]),
- true = NoYields > 10
+ true = NoYields > 2
end,
ok.
@@ -1485,6 +1490,21 @@ error_after_yield_sched(P, TrapFunc, N) ->
after 0 ->
N
end.
+
+error_after_yield_bad_ext_term() ->
+ TupleSz = 2000000,
+ <<131, % Version magic
+ AtomExt/binary>> = term_to_binary(an_atom_we_use_for_this),
+ BadAtomExt = [100, %% ATOM_EXT
+ 255, 255, % Invalid size of 65535 bytes
+ "oops"],
+
+ %% Produce a large tuple where the last element is invalid
+ list_to_binary([131, %% Version magic
+ 105, %% LARGE_TUPLE_EXT
+ <<TupleSz:32/big>>, %% Tuple size
+ lists:duplicate(TupleSz-1, AtomExt), %% Valid atoms
+ BadAtomExt]). %% Invalid atom at the end
cmp_old_impl(Config) when is_list(Config) ->
%% Compare results from new yielding implementations with
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 11:15:04 +0000