diff options
Diffstat (limited to 'lib/kernel')
| -rw-r--r-- | lib/kernel/src/erts_debug.erl | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl index 2887014c1c..ea8d64b2c7 100644 --- a/lib/kernel/src/erts_debug.erl +++ b/lib/kernel/src/erts_debug.erl @@ -21,7 +21,7 @@ %% Low-level debugging support. EXPERIMENTAL! --export([size/1,df/1,df/2,df/3,ic/1]). +-export([size/1,df/1,df/2,df/3,df/4,ic/1]). %% This module contains the following *experimental* BIFs: %% disassemble/1 @@ -347,31 +347,39 @@ is_term_seen(_, []) -> false. -spec df(module()) -> df_ret(). df(Mod) when is_atom(Mod) -> + df(lists:concat([Mod, ".dis"]), Mod). + +-spec df(module(), atom()) -> df_ret(); + (file:io_device() | file:filename(), module()) -> df_ret(). + +df(Mod, Func) when is_atom(Mod), is_atom(Func) -> + df(lists:concat([Mod, "_", Func, ".dis"]), Mod, Func); +df(Name, Mod) when is_atom(Mod) -> try Mod:module_info(functions) of Fs0 when is_list(Fs0) -> - Name = lists:concat([Mod, ".dis"]), Fs = [{Mod,Func,Arity} || {Func,Arity} <- Fs0], dff(Name, Fs) catch _:_ -> {undef,Mod} end. --spec df(module(), atom()) -> df_ret(). -df(Mod, Func) when is_atom(Mod), is_atom(Func) -> +-spec df(module(), atom(), arity()) -> df_ret(); + (file:io_device() | file:filename(), module(), atom()) -> df_ret(). + +df(Mod, Func, Arity) when is_atom(Mod), is_atom(Func), is_integer(Arity) -> + df(lists:concat([Mod, "_", Func, "_", Arity, ".dis"]), Mod, Func, Arity); +df(Name, Mod, Func) when is_atom(Mod), is_atom(Func) -> try Mod:module_info(functions) of Fs0 when is_list(Fs0) -> - Name = lists:concat([Mod, "_", Func, ".dis"]), Fs = [{Mod,Func1,Arity} || {Func1,Arity} <- Fs0, Func1 =:= Func], dff(Name, Fs) catch _:_ -> {undef,Mod} end. --spec df(module(), atom(), arity()) -> df_ret(). - -df(Mod, Func, Arity) when is_atom(Mod), is_atom(Func) -> +-spec df(file:io_device() | file:filename(), module(), atom(), arity()) -> df_ret(). +df(Name, Mod, Func, Arity) when is_atom(Mod), is_atom(Func), is_integer(Arity) -> try Mod:module_info(functions) of Fs0 when is_list(Fs0) -> - Name = lists:concat([Mod, "_", Func, "_", Arity, ".dis"]), Fs = [{Mod,Func1,Arity1} || {Func1,Arity1} <- Fs0, Func1 =:= Func, Arity1 =:= Arity], dff(Name, Fs) |