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authorRickard Green <[email protected]>2017-01-23 17:07:23 +0100
committerRickard Green <[email protected]>2017-02-06 19:54:48 +0100
commit5a97997217e5c3f901e8fefbd7bbf6c64652c9a8 (patch)
treebc7ebe05fcc7027997098d8c35c6c377dc731286 /erts
parent7c70239985c4591ef2770a59a1bf62b51f5108cc (diff)
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Use magic refs for code loading state
Diffstat (limited to 'erts')
-rw-r--r--erts/emulator/beam/beam_bif_load.c26
-rw-r--r--erts/emulator/beam/beam_load.c8
-rw-r--r--erts/emulator/hipe/hipe_bif0.c11
-rw-r--r--erts/preloaded/ebin/erlang.beambin106168 -> 106232 bytes
-rw-r--r--erts/preloaded/ebin/init.beambin50044 -> 50016 bytes
-rw-r--r--erts/preloaded/src/erlang.erl18
-rw-r--r--erts/preloaded/src/init.erl8
7 files changed, 35 insertions, 36 deletions
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c
index a5891a0ec2..4ba8c2a669 100644
--- a/erts/emulator/beam/beam_bif_load.c
+++ b/erts/emulator/beam/beam_bif_load.c
@@ -156,11 +156,13 @@ BIF_RETTYPE code_make_stub_module_3(BIF_ALIST_3)
Module* modp;
Eterm res, mod;
- if (!ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_1) ||
- is_not_atom(mod = erts_module_for_prepared_code
- (((ProcBin*)binary_val(BIF_ARG_1))->val))) {
+ if (!is_internal_magic_ref(BIF_ARG_1))
+ BIF_ERROR(BIF_P, BADARG);
+
+ mod = erts_module_for_prepared_code(erts_magic_ref2bin(BIF_ARG_1));
+
+ if (is_not_atom(mod))
BIF_ERROR(BIF_P, BADARG);
- }
if (!erts_try_seize_code_write_permission(BIF_P)) {
ERTS_BIF_YIELD3(bif_export[BIF_code_make_stub_module_3],
@@ -229,8 +231,8 @@ prepare_loading_2(BIF_ALIST_2)
res = TUPLE2(hp, am_error, reason);
BIF_RET(res);
}
- hp = HAlloc(BIF_P, PROC_BIN_SIZE);
- res = erts_mk_magic_binary_term(&hp, &MSO(BIF_P), magic);
+ hp = HAlloc(BIF_P, ERTS_MAGIC_REF_THING_SIZE);
+ res = erts_mk_magic_ref(&hp, &MSO(BIF_P), magic);
erts_refc_dec(&magic->refc, 1);
BIF_RET(res);
}
@@ -239,15 +241,13 @@ BIF_RETTYPE
has_prepared_code_on_load_1(BIF_ALIST_1)
{
Eterm res;
- ProcBin* pb;
- if (!ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_1)) {
+ if (!is_internal_magic_ref(BIF_ARG_1)) {
error:
BIF_ERROR(BIF_P, BADARG);
}
- pb = (ProcBin*) binary_val(BIF_ARG_1);
- res = erts_has_code_on_load(pb->val);
+ res = erts_has_code_on_load(erts_magic_ref2bin(BIF_ARG_1));
if (res == NIL) {
goto error;
}
@@ -333,13 +333,11 @@ finish_loading_1(BIF_ALIST_1)
for (i = 0; i < n; i++) {
Eterm* cons = list_val(BIF_ARG_1);
Eterm term = CAR(cons);
- ProcBin* pb;
- if (!ERTS_TERM_IS_MAGIC_BINARY(term)) {
+ if (!is_internal_magic_ref(term)) {
goto badarg;
}
- pb = (ProcBin*) binary_val(term);
- p[i].code = pb->val;
+ p[i].code = erts_magic_ref2bin(term);
p[i].module = erts_module_for_prepared_code(p[i].code);
if (p[i].module == NIL) {
goto badarg;
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 9f38dd4c3a..e75e7afd54 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -6322,8 +6322,8 @@ erts_make_stub_module(Process* p, Eterm hipe_magic_bin, Eterm Beam, Eterm Info)
stp = ERTS_MAGIC_BIN_DATA(magic);
hipe_code = erts_alloc(ERTS_ALC_T_HIPE, sizeof(*hipe_code));
- if (!ERTS_TERM_IS_MAGIC_BINARY(hipe_magic_bin) ||
- !(hipe_magic = ((ProcBin*)binary_val(hipe_magic_bin))->val,
+ if (!is_internal_magic_ref(hipe_magic_bin) ||
+ !(hipe_magic = erts_magic_ref2bin(hipe_magic_bin),
hipe_stp = hipe_get_loader_state(hipe_magic)) ||
hipe_stp->module == NIL || hipe_stp->text_segment == 0) {
goto error;
@@ -6568,8 +6568,8 @@ int erts_commit_hipe_patch_load(Eterm hipe_magic_bin)
HipeModule *hipe_code;
Module* modp;
- if (!ERTS_TERM_IS_MAGIC_BINARY(hipe_magic_bin) ||
- !(hipe_magic = ((ProcBin*)binary_val(hipe_magic_bin))->val,
+ if (!is_internal_magic_ref(hipe_magic_bin) ||
+ !(hipe_magic = erts_magic_ref2bin(hipe_magic_bin),
hipe_stp = hipe_get_loader_state(hipe_magic)) ||
hipe_stp->module == NIL || hipe_stp->text_segment == 0) {
return 0;
diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c
index 3011860e51..688c82ab7a 100644
--- a/erts/emulator/hipe/hipe_bif0.c
+++ b/erts/emulator/hipe/hipe_bif0.c
@@ -381,12 +381,9 @@ BIF_RETTYPE hipe_bifs_ref_set_2(BIF_ALIST_2)
static HipeLoaderState *get_loader_state(Eterm term)
{
- ProcBin *pb;
+ if (!is_internal_magic_ref(term)) return NULL;
- if (!ERTS_TERM_IS_MAGIC_BINARY(term)) return NULL;
-
- pb = (ProcBin*) binary_val(term);
- return hipe_get_loader_state(pb->val);
+ return hipe_get_loader_state(erts_magic_ref2bin(term));
}
@@ -1982,8 +1979,8 @@ BIF_RETTYPE hipe_bifs_alloc_loader_state_1(BIF_ALIST_1)
if (!magic)
BIF_ERROR(BIF_P, BADARG);
- hp = HAlloc(BIF_P, PROC_BIN_SIZE);
- res = erts_mk_magic_binary_term(&hp, &MSO(BIF_P), magic);
+ hp = HAlloc(BIF_P, ERTS_MAGIC_REF_THING_SIZE);
+ res = erts_mk_magic_ref(&hp, &MSO(BIF_P), magic);
erts_refc_dec(&magic->refc, 1);
BIF_RET(res);
}
diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam
index 0799546c60..7cdf2931a1 100644
--- a/erts/preloaded/ebin/erlang.beam
+++ b/erts/preloaded/ebin/erlang.beam
Binary files differ
diff --git a/erts/preloaded/ebin/init.beam b/erts/preloaded/ebin/init.beam
index ffddf2d54d..8123d63a9e 100644
--- a/erts/preloaded/ebin/init.beam
+++ b/erts/preloaded/ebin/init.beam
Binary files differ
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index be7ceb928b..ca181343e3 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -83,6 +83,10 @@
| 'micro_seconds'
| 'nano_seconds'.
+-opaque prepared_code() :: reference().
+
+-export_type([prepared_code/0]).
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Native code BIF stubs and their types
%% (BIF's actually implemented in this module goes last in the file)
@@ -791,9 +795,9 @@ external_size(_Term, _Options) ->
erlang:nif_error(undefined).
%% finish_loading/2
--spec erlang:finish_loading(PreparedCodeBinaries) -> ok | Error when
- PreparedCodeBinaries :: [PreparedCodeBinary],
- PreparedCodeBinary :: binary(),
+-spec erlang:finish_loading(PreparedCodeList) -> ok | Error when
+ PreparedCodeList :: [PreparedCode],
+ PreparedCode :: prepared_code(),
ModuleList :: [module()],
Error :: {not_purged,ModuleList} | {on_load,ModuleList}.
finish_loading(_List) ->
@@ -1030,7 +1034,7 @@ halt(_Status, _Options) ->
%% has_prepared_code_on_load/1
-spec erlang:has_prepared_code_on_load(PreparedCode) -> boolean() when
- PreparedCode :: binary().
+ PreparedCode :: prepared_code().
has_prepared_code_on_load(_PreparedCode) ->
erlang:nif_error(undefined).
@@ -1447,7 +1451,7 @@ timestamp() ->
-spec erlang:prepare_loading(Module, Code) -> PreparedCode | {error, Reason} when
Module :: module(),
Code :: binary(),
- PreparedCode :: binary(),
+ PreparedCode :: prepared_code(),
Reason :: bad_file.
prepare_loading(_Module, _Code) ->
erlang:nif_error(undefined).
@@ -2007,8 +2011,8 @@ load_module(Mod, Code) ->
case erlang:prepare_loading(Mod, Code) of
{error,_}=Error ->
Error;
- Bin when erlang:is_binary(Bin) ->
- case erlang:finish_loading([Bin]) of
+ Prep when erlang:is_reference(Prep) ->
+ case erlang:finish_loading([Prep]) of
ok ->
{module,Mod};
{Error,[Mod]} ->
diff --git a/erts/preloaded/src/init.erl b/erts/preloaded/src/init.erl
index 551ca4ea40..86dc9a2957 100644
--- a/erts/preloaded/src/init.erl
+++ b/erts/preloaded/src/init.erl
@@ -932,15 +932,15 @@ load_rest([], _) ->
prepare_loading_fun() ->
fun(Mod, FullName, Beam) ->
case erlang:prepare_loading(Mod, Beam) of
- Prepared when is_binary(Prepared) ->
+ {error,_}=Error ->
+ Error;
+ Prepared ->
case erlang:has_prepared_code_on_load(Prepared) of
true ->
{ok,{on_load,Beam,FullName}};
false ->
{ok,{prepared,Prepared,FullName}}
- end;
- {error,_}=Error ->
- Error
+ end
end
end.