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-rw-r--r--lib/compiler/src/beam_validator.erl65
-rw-r--r--lib/compiler/test/beam_validator_SUITE.erl29
-rw-r--r--lib/compiler/test/beam_validator_SUITE_data/bad_catch_try.S8
3 files changed, 45 insertions, 57 deletions
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl
index c758a6095a..ce6cd60ab1 100644
--- a/lib/compiler/src/beam_validator.erl
+++ b/lib/compiler/src/beam_validator.erl
@@ -411,37 +411,33 @@ valfun_1({'try',Dst,{f,Fail}}, Vst0) ->
Vst = #vst{current=#st{ct=Fails}=St} =
set_type_y({trytag,[Fail]}, Dst, Vst0),
Vst#vst{current=St#st{ct=[[Fail]|Fails]}};
-valfun_1({catch_end,Reg}, #vst{current=#st{ct=[Fail|Fails]}=St0}=Vst0) ->
+valfun_1({catch_end,Reg}, #vst{current=#st{ct=[Fail|Fails]}}=Vst0) ->
case get_special_y_type(Reg, Vst0) of
{catchtag,Fail} ->
- Vst = #vst{current=St} =
- set_type_y(initialized_ct, Reg,
- Vst0#vst{current=St0#st{ct=Fails}}),
+ Vst = #vst{current=St} = set_catch_end(Reg, Vst0),
Xs = gb_trees_from_list([{0,term}]),
- Vst#vst{current=St#st{x=Xs,fls=undefined}};
+ Vst#vst{current=St#st{x=Xs,ct=Fails,fls=undefined}};
Type ->
error({bad_type,Type})
end;
-valfun_1({try_end,Reg}, #vst{current=#st{ct=[Fail|Fails]}=St}=Vst0) ->
+valfun_1({try_end,Reg}, #vst{current=#st{ct=[Fail|Fails]}=St0}=Vst0) ->
case get_special_y_type(Reg, Vst0) of
{trytag,Fail} ->
Vst = case Fail of
[FailLabel] -> branch_state(FailLabel, Vst0);
_ -> Vst0
end,
- set_type_reg(initialized_ct, Reg,
- Vst#vst{current=St#st{ct=Fails,fls=undefined}});
+ St = St0#st{ct=Fails,fls=undefined},
+ set_catch_end(Reg, Vst#vst{current=St});
Type ->
error({bad_type,Type})
end;
-valfun_1({try_case,Reg}, #vst{current=#st{ct=[Fail|Fails]}=St0}=Vst0) ->
+valfun_1({try_case,Reg}, #vst{current=#st{ct=[Fail|Fails]}}=Vst0) ->
case get_special_y_type(Reg, Vst0) of
{trytag,Fail} ->
- Vst = #vst{current=St} =
- set_type_y(initialized_ct, Reg,
- Vst0#vst{current=St0#st{ct=Fails}}),
- Xs = gb_trees_from_list([{0,{atom,[]}},{1,term},{2,term}]), %XXX
- Vst#vst{current=St#st{x=Xs,fls=undefined}};
+ Vst = #vst{current=St} = set_catch_end(Reg, Vst0),
+ Xs = gb_trees_from_list([{0,{atom,[]}},{1,term},{2,term}]),
+ Vst#vst{current=St#st{x=Xs,ct=Fails,fls=undefined}};
Type ->
error({bad_type,Type})
end;
@@ -1135,35 +1131,26 @@ set_type_reg(Type, {x,X}, #vst{current=#st{x=Xs}=St}=Vst)
set_type_reg(Type, Reg, Vst) ->
set_type_y(Type, Reg, Vst).
-set_type_y(Type, {y,Y}=Reg, #vst{current=#st{y=Ys0,numy=NumY}=St}=Vst)
+set_type_y(Type, {y,Y}=Reg, #vst{current=#st{y=Ys0}=St}=Vst)
when is_integer(Y), 0 =< Y ->
limit_check(Y),
- case {Y,NumY} of
- {_,none} ->
- error({no_stack_frame,Reg});
- {_,_} when Y > NumY ->
- error({y_reg_out_of_range,Reg,NumY});
- {_,_} ->
- Ys = if Type =:= initialized_ct ->
- gb_trees:enter(Y, initialized, Ys0);
- true ->
- case gb_trees:lookup(Y, Ys0) of
- none ->
- gb_trees:insert(Y, Type, Ys0);
- {value,uinitialized} ->
- gb_trees:insert(Y, Type, Ys0);
- {value,{catchtag,_}=Tag} ->
- error(Tag);
- {value,{trytag,_}=Tag} ->
- error(Tag);
- {value,_} ->
- gb_trees:update(Y, Type, Ys0)
- end
- end,
- Vst#vst{current=St#st{y=Ys}}
- end;
+ Ys = case gb_trees:lookup(Y, Ys0) of
+ none ->
+ error({invalid_store,Reg,Type});
+ {value,{catchtag,_}=Tag} ->
+ error(Tag);
+ {value,{trytag,_}=Tag} ->
+ error(Tag);
+ {value,_} ->
+ gb_trees:update(Y, Type, Ys0)
+ end,
+ Vst#vst{current=St#st{y=Ys}};
set_type_y(Type, Reg, #vst{}) -> error({invalid_store,Reg,Type}).
+set_catch_end({y,Y}, #vst{current=#st{y=Ys0}=St}=Vst) ->
+ Ys = gb_trees:update(Y, initialized, Ys0),
+ Vst#vst{current=St#st{y=Ys}}.
+
assert_term(Src, Vst) ->
get_term_type(Src, Vst),
ok.
diff --git a/lib/compiler/test/beam_validator_SUITE.erl b/lib/compiler/test/beam_validator_SUITE.erl
index 551cf7661b..6779a2cfec 100644
--- a/lib/compiler/test/beam_validator_SUITE.erl
+++ b/lib/compiler/test/beam_validator_SUITE.erl
@@ -211,20 +211,21 @@ accessing_tags(Config) when is_list(Config) ->
bad_catch_try(Config) when is_list(Config) ->
Errors = do_val(bad_catch_try, Config),
- ?line [{{bad_catch_try,bad_1,1},
- {{'catch',{x,0},{f,3}},
- 5,{invalid_store,{x,0},{catchtag,[3]}}}},
- {{bad_catch_try,bad_2,1},
- {{catch_end,{x,9}},
- 8,{source_not_y_reg,{x,9}}}},
- {{bad_catch_try,bad_3,1},
- {{catch_end,{y,1}},9,{bad_type,{atom,kalle}}}},
- {{bad_catch_try,bad_4,1},
- {{'try',{x,0},{f,15}},5,{invalid_store,{x,0},{trytag,[15]}}}},
- {{bad_catch_try,bad_5,1},
- {{try_case,{y,1}},12,{bad_type,term}}},
- {{bad_catch_try,bad_6,1},
- {{try_end,{y,1}},8,{bad_type,{integer,1}}}}] = Errors,
+ [{{bad_catch_try,bad_1,1},
+ {{'catch',{x,0},{f,3}},
+ 5,{invalid_store,{x,0},{catchtag,[3]}}}},
+ {{bad_catch_try,bad_2,1},
+ {{catch_end,{x,9}},
+ 8,{source_not_y_reg,{x,9}}}},
+ {{bad_catch_try,bad_3,1},
+ {{catch_end,{y,1}},9,{bad_type,{atom,kalle}}}},
+ {{bad_catch_try,bad_4,1},
+ {{'try',{x,0},{f,15}},5,{invalid_store,{x,0},{trytag,[15]}}}},
+ {{bad_catch_try,bad_5,1},
+ {{try_case,{y,1}},12,{bad_type,term}}},
+ {{bad_catch_try,bad_6,1},
+ {{move,{integer,1},{y,1}},7,
+ {invalid_store,{y,1},{integer,1}}}}] = Errors,
ok.
cons_guard(Config) when is_list(Config) ->
diff --git a/lib/compiler/test/beam_validator_SUITE_data/bad_catch_try.S b/lib/compiler/test/beam_validator_SUITE_data/bad_catch_try.S
index 2a53f0dd93..6035f23506 100644
--- a/lib/compiler/test/beam_validator_SUITE_data/bad_catch_try.S
+++ b/lib/compiler/test/beam_validator_SUITE_data/bad_catch_try.S
@@ -63,11 +63,11 @@
{label,9}.
{func_info,{atom,bad_catch_try},{atom,bad_3},1}.
{label,10}.
- {allocate,1,1}.
+ {allocate,2,1}.
+ {move,{atom,kalle},{y,1}}.
{'catch',{y,0},{f,11}}.
{call,1,{f,26}}.
{label,11}.
- {move,{atom,kalle},{y,1}}.
{catch_end,{y,1}}.
{test,is_tuple,{f,12},[{x,0}]}.
{test,test_arity,{f,12},[{x,0},2]}.
@@ -106,7 +106,7 @@
{label,17}.
{func_info,{atom,bad_catch_try},{atom,bad_5},1}.
{label,18}.
- {allocate_zero,1,1}.
+ {allocate_zero,2,1}.
{'try',{y,0},{f,19}}.
{call,1,{f,26}}.
{try_end,{y,0}}.
@@ -131,7 +131,7 @@
{'try',{y,0},{f,23}}.
{call,1,{f,26}}.
{move,{integer,1},{y,1}}.
- {try_end,{y,1}}.
+ {try_end,{y,0}}.
{move,{atom,ok},{x,0}}.
{jump,{f,24}}.
{label,23}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 22:03:36 +0000