diff options
Diffstat (limited to 'lib/stdlib/src/beam_lib.erl')
| -rw-r--r-- | lib/stdlib/src/beam_lib.erl | 54 |
1 files changed, 36 insertions, 18 deletions
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl index d7ee5c1f5d..461acf03be 100644 --- a/lib/stdlib/src/beam_lib.erl +++ b/lib/stdlib/src/beam_lib.erl @@ -63,7 +63,7 @@ -type label() :: integer(). -type chunkid() :: nonempty_string(). % approximation of the strings below -%% "Abst" | "Attr" | "CInf" | "ExpT" | "ImpT" | "LocT" | "Atom". +%% "Abst" | "Attr" | "CInf" | "ExpT" | "ImpT" | "LocT" | "Atom" | "AtU8". -type chunkname() :: 'abstract_code' | 'attributes' | 'compile_info' | 'exports' | 'labeled_exports' | 'imports' | 'indexed_imports' @@ -520,6 +520,8 @@ read_chunk_data(File0, ChunkNames0, Options) end. %% -> {ok, list()} | throw(Error) +check_chunks([atoms | Ids], File, IL, L) -> + check_chunks(Ids, File, ["Atom", "AtU8" | IL], [{atom_chunk, atoms} | L]); check_chunks([ChunkName | Ids], File, IL, L) when is_atom(ChunkName) -> ChunkId = chunk_name_to_id(ChunkName, File), check_chunks(Ids, File, [ChunkId | IL], [{ChunkId, ChunkName} | L]); @@ -537,6 +539,10 @@ scan_beam(File, What0, AllowMissingChunks) -> case scan_beam1(File, What0) of {missing, _FD, Mod, Data, What} when AllowMissingChunks -> {ok, Mod, [{Id, missing_chunk} || Id <- What] ++ Data}; + {missing, _FD, Mod, Data, ["Atom"]} -> + {ok, Mod, Data}; + {missing, _FD, Mod, Data, ["AtU8"]} -> + {ok, Mod, Data}; {missing, FD, _Mod, _Data, What} -> error({missing_chunk, filename(FD), hd(What)}); R -> @@ -581,18 +587,23 @@ scan_beam(FD, Pos, What, Mod, Data) -> error({invalid_beam_file, filename(FD), Pos}) end. -get_data(Cs, "Atom"=Id, FD, Size, Pos, Pos2, _Mod, Data) -> +get_atom_data(Cs, Id, FD, Size, Pos, Pos2, Data, Encoding) -> NewCs = del_chunk(Id, Cs), {NFD, Chunk} = get_chunk(Id, Pos, Size, FD), <<_Num:32, Chunk2/binary>> = Chunk, - {Module, _} = extract_atom(Chunk2), + {Module, _} = extract_atom(Chunk2, Encoding), C = case Cs of info -> {Id, Pos, Size}; _ -> {Id, Chunk} end, - scan_beam(NFD, Pos2, NewCs, Module, [C | Data]); + scan_beam(NFD, Pos2, NewCs, Module, [C | Data]). + +get_data(Cs, "Atom" = Id, FD, Size, Pos, Pos2, _Mod, Data) -> + get_atom_data(Cs, Id, FD, Size, Pos, Pos2, Data, latin1); +get_data(Cs, "AtU8" = Id, FD, Size, Pos, Pos2, _Mod, Data) -> + get_atom_data(Cs, Id, FD, Size, Pos, Pos2, Data, utf8); get_data(info, Id, FD, Size, Pos, Pos2, Mod, Data) -> scan_beam(FD, Pos2, info, Mod, [{Id, Pos, Size} | Data]); get_data(Chunks, Id, FD, Size, Pos, Pos2, Mod, Data) -> @@ -624,6 +635,9 @@ get_chunk(Id, Pos, Size, FD) -> {NFD, Chunk} end. +chunks_to_data([{atom_chunk, Name} | CNs], Chunks, File, Cs, Module, Atoms, L) -> + {NewAtoms, Ret} = chunk_to_data(Name, <<"">>, File, Cs, Atoms, Module), + chunks_to_data(CNs, Chunks, File, Cs, Module, NewAtoms, [Ret | L]); chunks_to_data([{Id, Name} | CNs], Chunks, File, Cs, Module, Atoms, L) -> {_Id, Chunk} = lists:keyfind(Id, 1, Chunks), {NewAtoms, Ret} = chunk_to_data(Name, Chunk, File, Cs, Atoms, Module), @@ -651,7 +665,7 @@ chunk_to_data(abstract_code=Id, Chunk, File, _Cs, AtomTable, Mod) -> <<>> -> {AtomTable, {Id, no_abstract_code}}; <<0:8,N:8,Mode0:N/binary,Rest/binary>> -> - Mode = list_to_atom(binary_to_list(Mode0)), + Mode = binary_to_atom(Mode0, utf8), decrypt_abst(Mode, Mod, File, Id, AtomTable, Rest); _ -> case catch binary_to_term(Chunk) of @@ -683,7 +697,6 @@ chunk_to_data(ChunkId, Chunk, _File, _Cs, AtomTable, _Module) when is_list(ChunkId) -> {AtomTable, {ChunkId, Chunk}}. % Chunk is a binary -chunk_name_to_id(atoms, _) -> "Atom"; chunk_name_to_id(indexed_imports, _) -> "ImpT"; chunk_name_to_id(imports, _) -> "ImpT"; chunk_name_to_id(exports, _) -> "ExpT"; @@ -738,25 +751,30 @@ atm(AT, N) -> %% AT is updated. ensure_atoms({empty, AT}, Cs) -> - {_Id, AtomChunk} = lists:keyfind("Atom", 1, Cs), - extract_atoms(AtomChunk, AT), + case lists:keyfind("AtU8", 1, Cs) of + {_Id, AtomChunk} when is_binary(AtomChunk) -> + extract_atoms(AtomChunk, AT, utf8); + _ -> + {_Id, AtomChunk} = lists:keyfind("Atom", 1, Cs), + extract_atoms(AtomChunk, AT, latin1) + end, AT; ensure_atoms(AT, _Cs) -> AT. -extract_atoms(<<_Num:32, B/binary>>, AT) -> - extract_atoms(B, 1, AT). +extract_atoms(<<_Num:32, B/binary>>, AT, Encoding) -> + extract_atoms(B, 1, AT, Encoding). -extract_atoms(<<>>, _I, _AT) -> +extract_atoms(<<>>, _I, _AT, _Encoding) -> true; -extract_atoms(B, I, AT) -> - {Atom, B1} = extract_atom(B), +extract_atoms(B, I, AT, Encoding) -> + {Atom, B1} = extract_atom(B, Encoding), true = ets:insert(AT, {I, Atom}), - extract_atoms(B1, I+1, AT). + extract_atoms(B1, I+1, AT, Encoding). -extract_atom(<<Len, B/binary>>) -> +extract_atom(<<Len, B/binary>>, Encoding) -> <<SB:Len/binary, Tail/binary>> = B, - {list_to_atom(binary_to_list(SB)), Tail}. + {binary_to_atom(SB, Encoding), Tail}. %%% Utils. @@ -856,12 +874,12 @@ significant_chunks() -> %% for a module. They are listed in the order that they should be MD5:ed. md5_chunks() -> - ["Atom", "Code", "StrT", "ImpT", "ExpT", "FunT", "LitT"]. + ["Atom", "AtU8", "Code", "StrT", "ImpT", "ExpT", "FunT", "LitT"]. %% The following chunks are mandatory in every Beam file. mandatory_chunks() -> - ["Code", "ExpT", "ImpT", "StrT", "Atom"]. + ["Code", "ExpT", "ImpT", "StrT"]. %%% ==================================================================== %%% The rest of the file handles encrypted debug info. |