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-rw-r--r--lib/kernel/src/erts_debug.erl12
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl
index 2887014c1c..3456c8511e 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,dis_to_file/2,ic/1]).
%% This module contains the following *experimental* BIFs:
%% disassemble/1
@@ -378,6 +378,16 @@ df(Mod, Func, Arity) when is_atom(Mod), is_atom(Func) ->
catch _:_ -> {undef,Mod}
end.
+-spec dis_to_file(module(), file:filename()) -> df_ret().
+
+dis_to_file(Mod, Name) when is_atom(Mod) ->
+ try Mod:module_info(functions) of
+ Fs0 when is_list(Fs0) ->
+ Fs = [{Mod,Func,Arity} || {Func,Arity} <- Fs0],
+ dff(Name, Fs)
+ catch _:_ -> {undef,Mod}
+ end.
+
dff(Name, Fs) ->
case file:open(Name, [write,raw,delayed_write]) of
{ok,F} ->