diff options
Diffstat (limited to 'lib/debugger')
| -rw-r--r-- | lib/debugger/src/dbg_iload.erl | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/lib/debugger/src/dbg_iload.erl b/lib/debugger/src/dbg_iload.erl index 70d43c20b2..d197cbe247 100644 --- a/lib/debugger/src/dbg_iload.erl +++ b/lib/debugger/src/dbg_iload.erl @@ -415,7 +415,7 @@ expr({call,Line,{remote,_,{atom,_,Mod},{atom,_,Func}},As0}) -> false -> {call_remote,Line,Mod,Func,As}; true -> - case bif_type(Mod, Func) of + case bif_type(Mod, Func, length(As0)) of safe -> {safe_bif,Line,Mod,Func,As}; spawn -> {spawn_bif,Line,Mod,Func,As}; unsafe ->{bif,Line,Mod,Func,As} @@ -583,24 +583,22 @@ new_vars(N, L, Vs) when N > 0 -> new_vars(N-1, L, [V|Vs]); new_vars(0, _, Vs) -> Vs. -bif_type(erlang, Name) -> bif_type(Name); -bif_type(_, _) -> unsafe. +bif_type(erlang, Name, Arity) -> + case erl_internal:guard_bif(Name, Arity) of + true -> + %% Guard BIFs are safe (except for self/0, but it is + %% handled with a special instruction anyway). + safe; + false -> + bif_type(Name) + end; +bif_type(_, _, _) -> unsafe. bif_type(register) -> safe; bif_type(unregister) -> safe; bif_type(whereis) -> safe; bif_type(registered) -> safe; -bif_type(abs) -> safe; -bif_type(float) -> safe; -bif_type(trunc) -> safe; -bif_type(round) -> safe; bif_type(math) -> safe; -bif_type(node) -> safe; -bif_type(length) -> safe; -bif_type(hd) -> safe; -bif_type(tl) -> safe; -bif_type(size) -> safe; -bif_type(element) -> safe; bif_type(setelement) -> safe; bif_type(atom_to_list) -> safe; bif_type(list_to_atom) -> safe; |