diff options
Diffstat (limited to 'lib/compiler/src/beam_clean.erl')
| -rw-r--r-- | lib/compiler/src/beam_clean.erl | 81 |
1 files changed, 22 insertions, 59 deletions
diff --git a/lib/compiler/src/beam_clean.erl b/lib/compiler/src/beam_clean.erl index b736d39f9c..207f1c4deb 100644 --- a/lib/compiler/src/beam_clean.erl +++ b/lib/compiler/src/beam_clean.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2000-2016. All Rights Reserved. +%% Copyright Ericsson AB 2000-2018. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -24,7 +24,7 @@ -export([module/2]). -export([bs_clean_saves/1]). -export([clean_labels/1]). --import(lists, [map/2,foldl/3,reverse/1,filter/2]). +-import(lists, [foldl/3,reverse/1]). -spec module(beam_utils:module_code(), [compile:option()]) -> {'ok',beam_utils:module_code()}. @@ -118,7 +118,7 @@ add_to_work_list(F, {Fs,Used}=Sets) -> clean_labels(Fs0) -> St0 = #st{lmap=[],entry=1,lc=1}, {Fs1,#st{lmap=Lmap0,lc=Lc}} = function_renumber(Fs0, St0, []), - Lmap = gb_trees:from_orddict(ordsets:from_list(Lmap0)), + Lmap = maps:from_list(Lmap0), Fs = function_replace(Fs1, Lmap, []), {Fs,Lc}. @@ -187,7 +187,8 @@ is_record_tuple(_, _, _) -> no. function_replace([{function,Name,Arity,Entry,Asm0}|Fs], Dict, Acc) -> Asm = try - replace(Asm0, [], Dict) + Fb = fun(Old) -> throw({error,{undefined_label,Old}}) end, + beam_utils:replace_labels(Asm0, [], Dict, Fb) catch throw:{error,{undefined_label,Lbl}=Reason} -> io:format("Function ~s/~w refers to undefined label ~w\n", @@ -197,57 +198,6 @@ function_replace([{function,Name,Arity,Entry,Asm0}|Fs], Dict, Acc) -> function_replace(Fs, Dict, [{function,Name,Arity,Entry,Asm}|Acc]); function_replace([], _, Acc) -> Acc. -replace([{test,Test,{f,Lbl},Ops}|Is], Acc, D) -> - replace(Is, [{test,Test,{f,label(Lbl, D)},Ops}|Acc], D); -replace([{test,Test,{f,Lbl},Live,Ops,Dst}|Is], Acc, D) -> - replace(Is, [{test,Test,{f,label(Lbl, D)},Live,Ops,Dst}|Acc], D); -replace([{select,I,R,{f,Fail0},Vls0}|Is], Acc, D) -> - Vls = map(fun ({f,L}) -> {f,label(L, D)}; - (Other) -> Other - end, Vls0), - Fail = label(Fail0, D), - replace(Is, [{select,I,R,{f,Fail},Vls}|Acc], D); -replace([{'try',R,{f,Lbl}}|Is], Acc, D) -> - replace(Is, [{'try',R,{f,label(Lbl, D)}}|Acc], D); -replace([{'catch',R,{f,Lbl}}|Is], Acc, D) -> - replace(Is, [{'catch',R,{f,label(Lbl, D)}}|Acc], D); -replace([{jump,{f,Lbl}}|Is], Acc, D) -> - replace(Is, [{jump,{f,label(Lbl, D)}}|Acc], D); -replace([{loop_rec,{f,Lbl},R}|Is], Acc, D) -> - replace(Is, [{loop_rec,{f,label(Lbl, D)},R}|Acc], D); -replace([{loop_rec_end,{f,Lbl}}|Is], Acc, D) -> - replace(Is, [{loop_rec_end,{f,label(Lbl, D)}}|Acc], D); -replace([{wait,{f,Lbl}}|Is], Acc, D) -> - replace(Is, [{wait,{f,label(Lbl, D)}}|Acc], D); -replace([{wait_timeout,{f,Lbl},To}|Is], Acc, D) -> - replace(Is, [{wait_timeout,{f,label(Lbl, D)},To}|Acc], D); -replace([{bif,Name,{f,Lbl},As,R}|Is], Acc, D) when Lbl =/= 0 -> - replace(Is, [{bif,Name,{f,label(Lbl, D)},As,R}|Acc], D); -replace([{gc_bif,Name,{f,Lbl},Live,As,R}|Is], Acc, D) when Lbl =/= 0 -> - replace(Is, [{gc_bif,Name,{f,label(Lbl, D)},Live,As,R}|Acc], D); -replace([{call,Ar,{f,Lbl}}|Is], Acc, D) -> - replace(Is, [{call,Ar,{f,label(Lbl,D)}}|Acc], D); -replace([{make_fun2,{f,Lbl},U1,U2,U3}|Is], Acc, D) -> - replace(Is, [{make_fun2,{f,label(Lbl, D)},U1,U2,U3}|Acc], D); -replace([{bs_init,{f,Lbl},Info,Live,Ss,Dst}|Is], Acc, D) when Lbl =/= 0 -> - replace(Is, [{bs_init,{f,label(Lbl, D)},Info,Live,Ss,Dst}|Acc], D); -replace([{bs_put,{f,Lbl},Info,Ss}|Is], Acc, D) when Lbl =/= 0 -> - replace(Is, [{bs_put,{f,label(Lbl, D)},Info,Ss}|Acc], D); -replace([{put_map=I,{f,Lbl},Op,Src,Dst,Live,List}|Is], Acc, D) - when Lbl =/= 0 -> - replace(Is, [{I,{f,label(Lbl, D)},Op,Src,Dst,Live,List}|Acc], D); -replace([{get_map_elements=I,{f,Lbl},Src,List}|Is], Acc, D) when Lbl =/= 0 -> - replace(Is, [{I,{f,label(Lbl, D)},Src,List}|Acc], D); -replace([I|Is], Acc, D) -> - replace(Is, [I|Acc], D); -replace([], Acc, _) -> Acc. - -label(Old, D) -> - case gb_trees:lookup(Old, D) of - {value,Val} -> Val; - none -> throw({error,{undefined_label,Old}}) - end. - %%% %%% Final fixup of bs_start_match2/5,bs_save2/bs_restore2 instructions for %%% new bit syntax matching (introduced in R11B). @@ -304,7 +254,7 @@ bs_restores([_|Is], Dict) -> bs_restores([], Dict) -> Dict. %% Pass 2. -bs_replace([{test,bs_start_match2,F,Live,[Src,Ctx],CtxR}|T], Dict, Acc) when is_atom(Ctx) -> +bs_replace([{test,bs_start_match2,F,Live,[Src,{context,Ctx}],CtxR}|T], Dict, Acc) -> Slots = case gb_trees:lookup(Ctx, Dict) of {value,Slots0} -> Slots0; none -> 0 @@ -353,8 +303,21 @@ maybe_remove_lines(Fs, Opts) -> end. remove_lines([{function,N,A,Lbl,Is0}|T]) -> - Is = filter(fun({line,_}) -> false; - (_) -> true - end, Is0), + Is = remove_lines_fun(Is0), [{function,N,A,Lbl,Is}|remove_lines(T)]; remove_lines([]) -> []. + +remove_lines_fun([{line,_}|Is]) -> + remove_lines_fun(Is); +remove_lines_fun([{block,Bl0}|Is]) -> + Bl = remove_lines_block(Bl0), + [{block,Bl}|remove_lines_fun(Is)]; +remove_lines_fun([I|Is]) -> + [I|remove_lines_fun(Is)]; +remove_lines_fun([]) -> []. + +remove_lines_block([{set,_,_,{line,_}}|Is]) -> + remove_lines_block(Is); +remove_lines_block([I|Is]) -> + [I|remove_lines_block(Is)]; +remove_lines_block([]) -> []. |