%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
-module(compile_SUITE).
%% Tests compile:file/1 and compile:file/2 with various options.
-include("test_server.hrl").
-export([all/1,
app_test/1,
file_1/1, module_mismatch/1, big_file/1, outdir/1,
binary/1, cond_and_ifdef/1, listings/1, listings_big/1,
other_output/1, package_forms/1, encrypted_abstr/1,
bad_record_use/1, bad_record_use1/1, bad_record_use2/1, strict_record/1,
missing_testheap/1, cover/1, env/1, core/1, asm/1]).
-export([init/3]).
%% To cover the stripping of 'type' and 'spec' in beam_asm.
-type all_return_type() :: [atom()].
-spec all('suite' | [_]) -> all_return_type().
all(suite) ->
test_lib:recompile(?MODULE),
[app_test,
file_1, module_mismatch, big_file, outdir, binary,
cond_and_ifdef, listings, listings_big,
other_output, package_forms,
encrypted_abstr,
bad_record_use, strict_record,
missing_testheap, cover, env, core, asm].
%% Test that the Application file has no `basic' errors.";
app_test(Config) when is_list(Config) ->
?line ?t:app_test(compiler).
%% Tests that we can compile and run a simple Erlang program,
%% using compile:file/1.
file_1(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:minutes(5)),
?line {Simple, Target} = files(Config, "file_1"),
?line {ok, Cwd} = file:get_cwd(),
?line ok = file:set_cwd(filename:dirname(Target)),
?line {ok,simple} = compile:file(Simple), %Smoke test only.
?line {ok,simple} = compile:file(Simple, [slim]), %Smoke test only.
?line {ok,simple} = compile:file(Simple, [native,report]), %Smoke test.
?line {ok,simple} = compile:file(Target, [native,from_beam]), %Smoke test.
?line {ok,simple} = compile:file(Simple, [debug_info]),
?line ok = file:set_cwd(Cwd),
?line true = exists(Target),
?line passed = run(Target, test, []),
%% Cleanup.
?line ok = file:delete(Target),
?line ok = file:del_dir(filename:dirname(Target)),
?line test_server:timetrap_cancel(Dog),
ok.
module_mismatch(Config) when is_list(Config) ->
?line DataDir = ?config(data_dir, Config),
?line File = filename:join(DataDir, "wrong_module_name.erl"),
?line {error,[{"wrong_module_name.beam",
[{compile,{module_name,arne,"wrong_module_name"}}]}],
[]} = compile:file(File, [return]),
?line error = compile:file(File, [report]),
?line {ok,arne,[]} = compile:file(File,
[return,no_error_module_mismatch]),
ok.
big_file(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:minutes(5)),
?line DataDir = ?config(data_dir, Config),
?line PrivDir = ?config(priv_dir, Config),
?line Big = filename:join(DataDir, "big.erl"),
?line Target = filename:join(PrivDir, "big.beam"),
?line ok = file:set_cwd(PrivDir),
?line {ok,big} = compile:file(Big, []),
?line {ok,big} = compile:file(Big, [r9,debug_info]),
?line {ok,big} = compile:file(Big, [no_postopt]),
?line true = exists(Target),
%% Cleanup.
?line ok = file:delete(Target),
?line test_server:timetrap_cancel(Dog),
ok.
%% Tests that the {outdir, Dir} option works.
outdir(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:seconds(60)),
?line {Simple, Target} = files(Config, "outdir"),
?line {ok, simple} = compile:file(Simple, [{outdir, filename:dirname(Target)}]),
?line true = exists(Target),
?line passed = run(Target, test, []),
?line ok = file:delete(Target),
?line ok = file:del_dir(filename:dirname(Target)),
?line test_server:timetrap_cancel(Dog),
ok.
%% Tests that the binary option works.
binary(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:seconds(60)),
?line {Simple, Target} = files(Config, "binary"),
?line {ok, simple, Binary} = compile:file(Simple, [binary]),
?line code:load_binary(simple, Target, Binary),
?line passed = simple:test(),
?line true = code:delete(simple),
?line false = code:purge(simple),
?line ok = file:del_dir(filename:dirname(Target)),
?line test_server:timetrap_cancel(Dog),
ok.
%% Tests that conditional compilation, defining values, including files work.
cond_and_ifdef(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:seconds(60)),
?line {Simple, Target} = files(Config, "cond_and_ifdef"),
?line IncludeDir = filename:join(filename:dirname(Simple), "include"),
?line Options = [{outdir, filename:dirname(Target)},
{d, need_foo}, {d, foo_value, 42},
{i, IncludeDir}, report],
?line {ok, simple} = compile:file(Simple, Options),
?line true = exists(Target),
?line {hiker, 42} = run(Target, foo, []),
?line ok = file:delete(Target),
?line ok = file:del_dir(filename:dirname(Target)),
?line test_server:timetrap_cancel(Dog),
ok.
listings(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:minutes(8)),
?line DataDir = ?config(data_dir, Config),
?line PrivDir = ?config(priv_dir, Config),
?line Simple = filename:join(DataDir, simple),
?line TargetDir = filename:join(PrivDir, listings),
?line ok = file:make_dir(TargetDir),
%% Test all dedicated listing options.
?line do_listing(Simple, TargetDir, 'S'),
?line do_listing(Simple, TargetDir, 'E'),
?line do_listing(Simple, TargetDir, 'P'),
?line do_listing(Simple, TargetDir, dpp, ".pp"),
?line do_listing(Simple, TargetDir, dabstr, ".abstr"),
?line do_listing(Simple, TargetDir, dexp, ".expand"),
?line do_listing(Simple, TargetDir, dcore, ".core"),
?line do_listing(Simple, TargetDir, doldinline, ".oldinline"),
?line do_listing(Simple, TargetDir, dinline, ".inline"),
?line do_listing(Simple, TargetDir, dcore, ".core"),
?line do_listing(Simple, TargetDir, dcopt, ".copt"),
?line do_listing(Simple, TargetDir, dsetel, ".dsetel"),
?line do_listing(Simple, TargetDir, dkern, ".kernel"),
?line do_listing(Simple, TargetDir, dlife, ".life"),
?line do_listing(Simple, TargetDir, dcg, ".codegen"),
?line do_listing(Simple, TargetDir, dblk, ".block"),
?line do_listing(Simple, TargetDir, dbool, ".bool"),
?line do_listing(Simple, TargetDir, dtype, ".type"),
?line do_listing(Simple, TargetDir, ddead, ".dead"),
?line do_listing(Simple, TargetDir, djmp, ".jump"),
?line do_listing(Simple, TargetDir, dclean, ".clean"),
?line do_listing(Simple, TargetDir, dpeep, ".peep"),
?line do_listing(Simple, TargetDir, dopt, ".optimize"),
%% First clean up.
?line Listings = filename:join(PrivDir, listings),
?line lists:foreach(fun(F) -> ok = file:delete(F) end,
filelib:wildcard(filename:join(Listings, "*"))),
%% Test options that produce a listing file if 'binary' is not given.
?line do_listing(Simple, TargetDir, to_pp, ".P"),
?line do_listing(Simple, TargetDir, to_exp, ".E"),
?line do_listing(Simple, TargetDir, to_core0, ".core"),
?line ok = file:delete(filename:join(Listings, "simple.core")),
?line do_listing(Simple, TargetDir, to_core, ".core"),
?line do_listing(Simple, TargetDir, to_kernel, ".kernel"),
%% Final clean up.
?line lists:foreach(fun(F) -> ok = file:delete(F) end,
filelib:wildcard(filename:join(Listings, "*"))),
?line ok = file:del_dir(Listings),
?line test_server:timetrap_cancel(Dog),
ok.
listings_big(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:minutes(10)),
?line DataDir = ?config(data_dir, Config),
?line PrivDir = ?config(priv_dir, Config),
?line Big = filename:join(DataDir, big),
?line TargetDir = filename:join(PrivDir, listings_big),
?line ok = file:make_dir(TargetDir),
?line do_listing(Big, TargetDir, 'S'),
?line do_listing(Big, TargetDir, 'E'),
?line do_listing(Big, TargetDir, 'P'),
?line do_listing(Big, TargetDir, dkern, ".kernel"),
?line Target = filename:join(TargetDir, big),
?line {ok,big} = compile:file(Target, [asm,{outdir,TargetDir}]),
%% Cleanup.
?line ok = file:delete(Target ++ ".beam"),
?line lists:foreach(fun(F) -> ok = file:delete(F) end,
filelib:wildcard(filename:join(TargetDir, "*"))),
?line ok = file:del_dir(TargetDir),
?line test_server:timetrap_cancel(Dog),
ok.
other_output(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:minutes(8)),
?line DataDir = ?config(data_dir, Config),
?line PrivDir = ?config(priv_dir, Config),
?line Simple = filename:join(DataDir, simple),
?line TargetDir = filename:join(PrivDir, other_output),
?line ok = file:make_dir(TargetDir),
io:put_chars("to_pp"),
?line {ok,[],PP} = compile:file(Simple, [to_pp,binary,time]),
?line [] = [E || E <- PP,
begin
case element(1, E) of
attribute -> false;
function -> false;
eof -> false
end
end],
io:put_chars("to_exp (file)"),
?line {ok,simple,Expand} = compile:file(Simple, [to_exp,binary,time]),
?line case Expand of
{simple,Exports,Forms} when is_list(Exports), is_list(Forms) -> ok
end,
io:put_chars("to_exp (forms)"),
?line {ok,simple,Expand} = compile:forms(PP, [to_exp,binary,time]),
io:put_chars("to_core (file)"),
?line {ok,simple,Core} = compile:file(Simple, [to_core,binary,time]),
?line c_module = element(1, Core),
?line {ok,_} = core_lint:module(Core),
io:put_chars("to_core (forms)"),
?line {ok,simple,Core} = compile:forms(PP, [to_core,binary,time]),
io:put_chars("to_kernel (file)"),
?line {ok,simple,Kernel} = compile:file(Simple, [to_kernel,binary,time]),
?line k_mdef = element(1, Kernel),
io:put_chars("to_kernel (forms)"),
?line {ok,simple,Kernel} = compile:forms(PP, [to_kernel,binary,time]),
io:put_chars("to_asm (file)"),
?line {ok,simple,Asm} = compile:file(Simple, [to_asm,binary,time]),
?line {simple,_,_,_,_} = Asm,
io:put_chars("to_asm (forms)"),
?line {ok,simple,Asm} = compile:forms(PP, [to_asm,binary,time]),
?line test_server:timetrap_cancel(Dog),
ok.
package_forms(Config) when is_list(Config) ->
Fs = [{attribute,1,file,{"./p.erl",1}},
{attribute,1,module,[p,p]},
{attribute,3,compile,export_all},
{attribute,1,file,
{"/clearcase/otp/erts/lib/stdlib/include/qlc.hrl",1}},
{attribute,6,file,{"./p.erl",6}},
{function,7,q,0,
[{clause,7,[],[],
[{call,8,
{remote,8,{atom,8,qlc},{atom,8,q}},
[{tuple,-8,
[{atom,-8,qlc_lc},
{'fun',-8,
{clauses,
[{clause,-8,[],[],
[{tuple,-8,
[{atom,-8,simple_v1},
{atom,-8,'X'},
{'fun',-8,{clauses,[{clause,-8,[],[],[{nil,8}]}]}},
{integer,-8,8}]}]}]}},
{atom,-8,undefined}]}]}]}]},
{eof,9}],
{ok,'p.p',_} = compile:forms(Fs, ['S',report]),
ok.
encrypted_abstr(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:minutes(10)),
?line {Simple,Target} = files(Config, "encrypted_abstr"),
Res = case has_crypto() of
no ->
%% No crypto.
?line encrypted_abstr_no_crypto(Simple, Target),
{comment,"The crypto application is missing or broken"};
yes ->
%% Simulate not having crypto by removing
%% the crypto application from the path.
?line OldPath = code:get_path(),
try
?line NewPath = OldPath -- [filename:dirname(code:which(crypto))],
?line (catch crypto:stop()),
?line code:delete(crypto),
?line code:purge(crypto),
?line code:set_path(NewPath),
?line encrypted_abstr_no_crypto(Simple, Target)
after
code:set_path(OldPath)
end,
%% Now run the tests that require crypto.
?line encrypted_abstr_1(Simple, Target),
?line ok = file:delete(Target),
?line ok = file:del_dir(filename:dirname(Target))
end,
%% Cleanup.
?line test_server:timetrap_cancel(Dog),
Res.
encrypted_abstr_1(Simple, Target) ->
?line TargetDir = filename:dirname(Target),
?line Key = "ablurf123BX#$;3",
?line install_crypto_key(Key),
?line {ok,simple} = compile:file(Simple,
[debug_info,{debug_info_key,Key},
{outdir,TargetDir}]),
?line verify_abstract(Target),
?line {ok,simple} = compile:file(Simple,
[{debug_info_key,Key},
{outdir,TargetDir}]),
?line verify_abstract(Target),
?line {ok,simple} = compile:file(Simple,
[debug_info,{debug_info_key,{des3_cbc,Key}},
{outdir,TargetDir}]),
?line verify_abstract(Target),
?line {ok,{simple,[{compile_info,CInfo}]}} =
beam_lib:chunks(Target, [compile_info]),
?line {value,{_,Opts}} = lists:keysearch(options, 1, CInfo),
?line {value,{_,'********'}} = lists:keysearch(debug_info_key, 1, Opts),
%% Try some illegal forms of crypto keys.
?line error = compile:file(Simple,
[debug_info,{debug_info_key,{blurf,"ss"}},report]),
?line error = compile:file(Simple,
[debug_info,{debug_info_key,{blurf,1,"ss"}},report]),
?line error = compile:file(Simple,
[debug_info,{debug_info_key,42},report]),
%% Place the crypto key in .erlang.crypt.
?line beam_lib:clear_crypto_key_fun(),
?line {ok,OldCwd} = file:get_cwd(),
?line ok = file:set_cwd(TargetDir),
?line error = compile:file(Simple, [encrypt_debug_info,report]),
?line NewKey = "better use another key here",
?line write_crypt_file(["[{debug_info,des3_cbc,simple,\"",NewKey,"\"}].\n"]),
?line {ok,simple} = compile:file(Simple, [encrypt_debug_info,report]),
?line verify_abstract("simple.beam"),
?line ok = file:delete(".erlang.crypt"),
?line beam_lib:clear_crypto_key_fun(),
?line {error,beam_lib,{key_missing_or_invalid,"simple.beam",abstract_code}} =
beam_lib:chunks("simple.beam", [abstract_code]),
?line ok = file:set_cwd(OldCwd),
ok.
write_crypt_file(Contents0) ->
Contents = list_to_binary([Contents0]),
io:format("~s\n", [binary_to_list(Contents)]),
ok = file:write_file(".erlang.crypt", Contents).
encrypted_abstr_no_crypto(Simple, Target) ->
?line TargetDir = filename:dirname(Target),
?line Key = "ablurf123BX#$;3",
?line error = compile:file(Simple,
[debug_info,{debug_info_key,Key},
{outdir,TargetDir},report]),
ok.
verify_abstract(Target) ->
{ok,{simple,[Chunk]}} = beam_lib:chunks(Target, [abstract_code]),
{abstract_code,{raw_abstract_v1,_}} = Chunk.
has_crypto() ->
try
crypto:start(),
crypto:info(),
crypto:stop(),
yes
catch
error:_ -> no
end.
install_crypto_key(Key) ->
F = fun (init) -> ok;
({debug_info,des3_cbc,_,_}) -> Key;
(clear) -> ok
end,
ok = beam_lib:crypto_key_fun(F).
%% Miscellanous tests, mainly to get better coverage.
cover(Config) when is_list(Config) ->
?line io:format("~p\n", [compile:options()]),
ok.
do_listing(Source, TargetDir, Type) ->
do_listing(Source, TargetDir, Type, "." ++ atom_to_list(Type)).
do_listing(Source, TargetDir, Type, Ext) ->
io:format("Source: ~p TargetDir: ~p\n Type: ~p Ext: ~p\n",
[Source, TargetDir, Type, Ext]),
case compile:file(Source, [Type, time, {outdir, TargetDir}]) of
{ok, _} -> ok;
Other -> test_server:fail({unexpected_result, Other})
end,
SourceBase = filename:rootname(filename:basename(Source)),
Target = filename:join(TargetDir, SourceBase ++ Ext),
true = exists(Target).
files(Config, Name) ->
?line code:delete(simple),
?line code:purge(simple),
?line DataDir = ?config(data_dir, Config),
?line PrivDir = ?config(priv_dir, Config),
?line Simple = filename:join(DataDir, "simple"),
?line TargetDir = filename:join(PrivDir, Name),
?line ok = file:make_dir(TargetDir),
?line Target = filename:join(TargetDir, "simple"++code:objfile_extension()),
{Simple, Target}.
run(Target, Func, Args) ->
?line Module = list_to_atom(filename:rootname(filename:basename(Target))),
?line {module, Module} = code:load_abs(filename:rootname(Target)),
?line Result = (catch apply(Module, Func, Args)),
?line true = code:delete(Module),
?line false = code:purge(Module),
Result.
exists(Name) ->
case file:read_file_info(Name) of
{ok, _} -> true;
{error, _} -> false
end.
bad_record_use(suite) -> [bad_record_use1, bad_record_use2].
%% Tests that the compiler does not accept
%% bad use of records.
bad_record_use1(Config) when is_list(Config) ->
?line {ok, Cwd} = file:get_cwd(),
?line file:set_cwd(?config(data_dir, Config)),
?line true=exists("bad_record_use.erl"),
?line Ret=c:c(bad_record_use),
?line file:set_cwd(Cwd),
?line error=Ret,
ok.
%% Tests that the compiler does not accept
%% bad use of records.
bad_record_use2(Config) when is_list(Config) ->
?line {ok, Cwd} = file:get_cwd(),
?line file:set_cwd(?config(data_dir, Config)),
?line true=exists("bad_record_use2.erl"),
?line Ret=c:c(bad_record_use),
?line file:set_cwd(Cwd),
?line error=Ret,
ok.
strict_record(Config) when is_list(Config) ->
?line Priv = ?config(priv_dir, Config),
?line file:set_cwd(?config(data_dir, Config)),
?line Opts = [{outdir,Priv},report_errors],
M = record_access,
?line {ok,M} = c:c(M, [strict_record_tests|Opts]),
?line Turtle = test_strict(),
?line {ok,M} = c:c(M, [no_strict_record_tests|Opts]),
?line Turtle = test_sloppy(),
%% The option first given wins.
?line {ok,M} = c:c(M, [no_strict_record_tests,strict_record_tests|Opts]),
?line Turtle = test_sloppy(),
?line {ok,M} = c:c(M, [strict_record_tests,no_strict_record_tests|Opts]),
?line Turtle = test_strict(),
%% Default (possibly influenced by ERL_COMPILER_OPTIONS).
?line {ok,M} = c:c(M, [{outdir,Priv},report_errors]),
?line try
{1,2} = record_access:test(Turtle),
{comment,"Default: no_strict_record_tests"}
catch
error:{badrecord,tortoise} ->
{comment,"Default: strict_record_tests"}
end.
test_strict() ->
Turtle = record_access:turtle(),
?line try
record_access:test(Turtle)
catch
error:{badrecord,tortoise} ->
ok
end,
Turtle.
test_sloppy() ->
Turtle = record_access:turtle(),
{1,2} = record_access:test(Turtle),
Turtle.
missing_testheap(Config) when is_list(Config) ->
DataDir = ?config(data_dir, Config),
PrivDir = ?config(priv_dir, Config),
Opts = [{outdir,PrivDir}],
OldPath = code:get_path(),
try
code:add_patha(PrivDir),
c:c(filename:join(DataDir, "missing_testheap1"), Opts),
c:c(filename:join(DataDir, "missing_testheap2"), Opts),
?line ok = test(fun() ->
missing_testheap1:f({a,self()},{state,true,b})
end, {a,b}),
?line ok = test(fun() ->
missing_testheap2:f({a,self()},16#80000000) end,
bigger)
after
code:set_path(OldPath),
file:delete(filename:join(PrivDir, "missing_testheap1.beam")),
file:delete(filename:join(PrivDir, "missing_testheap2.beam"))
end,
ok.
test(Fun, Result) ->
test(500, Fun, Result, []).
test(0, _, _, _) ->
ok;
test(Iter, Fun, Result, Filler) ->
spawn(?MODULE, init, [self(), Fun, list_to_tuple(Filler)]),
receive
{result, Result} ->
test(Iter-1, Fun, Result, [0|Filler]);
{result, Other} ->
io:format("Expected ~p; got ~p~n", [Result, Other]),
test_server:fail()
end.
init(ReplyTo, Fun, _Filler) ->
ReplyTo ! {result, Fun()}.
env(Config) when is_list(Config) ->
?line {Simple,Target} = files(Config, "file_1"),
?line {ok,Cwd} = file:get_cwd(),
?line ok = file:set_cwd(filename:dirname(Target)),
true = os:putenv("ERL_COMPILER_OPTIONS", "binary"),
try
env_1(Simple, Target)
after
true = os:putenv("ERL_COMPILER_OPTIONS", "ignore_me"),
file:set_cwd(Cwd),
file:delete(Target),
file:del_dir(filename:dirname(Target))
end,
ok.
env_1(Simple, Target) ->
%% file
?line {ok,simple,<<_/binary>>} = compile:file(Simple),
?line {ok,simple} = compile:noenv_file(Simple, [debug_info]),
?line true = exists(Target),
?line {ok,{simple,[{abstract_code,Abstr0}]}} =
beam_lib:chunks(Target, [abstract_code]),
?line {raw_abstract_v1,Forms} = Abstr0,
%% forms
?line true = os:putenv("ERL_COMPILER_OPTIONS", "strong_validation"),
?line {ok,simple} = compile:forms(Forms),
?line {ok,simple,<<"FOR1",_/binary>>} = compile:noenv_forms(Forms, []),
%% output_generated
?line false = compile:output_generated([]),
?line true = compile:noenv_output_generated([]),
?line ok = file:delete(Target),
ok.
%% Test pretty-printing in Core Erlang format and then try to
%% compile the generated Core Erlang files.
core(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:minutes(5)),
?line PrivDir = ?config(priv_dir, Config),
?line Outdir = filename:join(PrivDir, "core"),
?line ok = file:make_dir(Outdir),
?line Wc = filename:join(filename:dirname(code:which(?MODULE)), "*.beam"),
?line TestBeams = filelib:wildcard(Wc),
?line Abstr = [begin {ok,{Mod,[{abstract_code,
{raw_abstract_v1,Abstr}}]}} =
beam_lib:chunks(Beam, [abstract_code]),
{Mod,Abstr} end || Beam <- TestBeams],
?line Res = test_lib:p_run(fun(F) -> do_core(F, Outdir) end, Abstr),
?line test_server:timetrap_cancel(Dog),
Res.
do_core({M,A}, Outdir) ->
try
{ok,M,Core} = compile:forms(A, [to_core,report]),
CoreFile = filename:join(Outdir, atom_to_list(M)++".core"),
CorePP = core_pp:format(Core),
ok = file:write_file(CoreFile, CorePP),
case compile:file(CoreFile, [clint,from_core,binary]) of
{ok,M,_} ->
ok = file:delete(CoreFile);
Other ->
io:format("*** core_lint failure '~p' for ~s\n",
[Other,CoreFile]),
error
end
catch Class:Error ->
io:format("~p: ~p ~p\n~p\n",
[M,Class,Error,erlang:get_stacktrace()]),
error
end.
%% Compile to Beam assembly language (.S) and the try to
%% run .S throught the compiler again.
asm(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:minutes(20)),
?line PrivDir = ?config(priv_dir, Config),
?line Outdir = filename:join(PrivDir, "asm"),
?line ok = file:make_dir(Outdir),
?line Wc = filename:join(filename:dirname(code:which(?MODULE)), "*.beam"),
?line TestBeams = filelib:wildcard(Wc),
?line Res = test_lib:p_run(fun(F) -> do_asm(F, Outdir) end, TestBeams),
?line test_server:timetrap_cancel(Dog),
Res.
do_asm(Beam, Outdir) ->
{ok,{M,[{abstract_code,{raw_abstract_v1,A}}]}} =
beam_lib:chunks(Beam, [abstract_code]),
try
{ok,M,Asm} = compile:forms(A, ['S']),
AsmFile = filename:join(Outdir, atom_to_list(M)++".S"),
{ok,Fd} = file:open(AsmFile, [write]),
beam_listing:module(Fd, Asm),
ok = file:close(Fd),
case compile:file(AsmFile, [from_asm,no_postopt,binary,report]) of
{ok,M,_} ->
ok = file:delete(AsmFile);
Other ->
io:format("*** failure '~p' for ~s\n",
[Other,AsmFile]),
error
end
catch Class:Error ->
io:format("~p: ~p ~p\n~p\n",
[M,Class,Error,erlang:get_stacktrace()]),
error
end.
