diff options
Diffstat (limited to 'lib/kernel')
| -rw-r--r-- | lib/kernel/src/hipe_unified_loader.erl | 120 |
1 files changed, 60 insertions, 60 deletions
diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl index 087cceb5d8..7b1e6c2591 100644 --- a/lib/kernel/src/hipe_unified_loader.erl +++ b/lib/kernel/src/hipe_unified_loader.erl @@ -229,15 +229,15 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) -> %% Patch references to code labels in data seg. ok = patch_consts(LabelMap, ConstAddr, CodeAddress, WriteWord), %% Find out which functions are being loaded (and where). - %% Note: Addresses are sorted descending. - {MFAs,Addresses} = exports(ExportMap, CodeAddress), + %% Note: FunDefs are sorted descending. + {MFAs,FunDefs} = exports(ExportMap, CodeAddress), %% Remove references to old versions of the module. ReferencesToPatch = get_refs_from(MFAs, []), %% io:format("References to patch: ~w~n", [ReferencesToPatch]), ok = remove_refs_from(MFAs), %% Patch all dynamic references in the code. %% Function calls, Atoms, Constants, System calls - ok = patch(Refs, CodeAddress, ConstMap2, Addresses, TrampolineMap), + ok = patch(Refs, CodeAddress, ConstMap2, FunDefs, TrampolineMap), %% Tell the system where the loaded funs are. %% (patches the BEAM code to redirect to native.) @@ -250,23 +250,23 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) -> lists:foreach(fun({FE, DestAddress}) -> hipe_bifs:set_native_address_in_fe(FE, DestAddress) end, erase(closures_to_patch)), - export_funs(Addresses), + export_funs(FunDefs), ok; BeamBinary when is_binary(BeamBinary) -> %% Find all closures in the code. [] = erase(closures_to_patch), %Clean up, assertion. ClosurePatches = find_closure_patches(Refs), AddressesOfClosuresToPatch = - calculate_addresses(ClosurePatches, CodeAddress, Addresses), - export_funs(Addresses), + calculate_addresses(ClosurePatches, CodeAddress, FunDefs), + export_funs(FunDefs), export_funs(Mod, MD5, BeamBinary, - Addresses, AddressesOfClosuresToPatch) + FunDefs, AddressesOfClosuresToPatch) end, %% Redirect references to the old module to the new module's BEAM stub. patch_to_emu_step2(OldReferencesToPatch), %% Patch referring functions to call the new function %% The call to export_funs/1 above updated the native addresses - %% for the targets, so passing 'Addresses' is not needed. + %% for the targets, so passing 'FunDefs' is not needed. redirect(ReferencesToPatch), %% Final clean up. _ = erase(hipe_patch_closures), @@ -373,29 +373,29 @@ trampoline_map_lookup(Primop, Map) -> exports(ExportMap, BaseAddress) -> exports(ExportMap, BaseAddress, [], []). -exports([Offset,M,F,A,IsClosure,IsExported|Rest], BaseAddress, MFAs, Addresses) -> +exports([Offset,M,F,A,IsClosure,IsExported|Rest], BaseAddress, MFAs, FunDefs) -> case IsExported andalso erlang:is_builtin(M, F, A) of true -> - exports(Rest, BaseAddress, MFAs, Addresses); + exports(Rest, BaseAddress, MFAs, FunDefs); _false -> MFA = {M,F,A}, Address = BaseAddress + Offset, FunDef = #fundef{address=Address, mfa=MFA, is_closure=IsClosure, is_exported=IsExported}, - exports(Rest, BaseAddress, [MFA|MFAs], [FunDef|Addresses]) + exports(Rest, BaseAddress, [MFA|MFAs], [FunDef|FunDefs]) end; -exports([], _, MFAs, Addresses) -> - {MFAs, Addresses}. +exports([], _, MFAs, FunDefs) -> + {MFAs, FunDefs}. mod({M,_F,_A}) -> M. %%------------------------------------------------------------------------ -calculate_addresses(PatchOffsets, Base, Addresses) -> +calculate_addresses(PatchOffsets, Base, FunDefs) -> RemoteOrLocal = local, % closure code refs are local [{Data, offsets_to_addresses(Offsets, Base), - get_native_address(DestMFA, Addresses, RemoteOrLocal)} || + get_native_address(DestMFA, FunDefs, RemoteOrLocal)} || {{DestMFA,_,_}=Data,Offsets} <- PatchOffsets]. offsets_to_addresses(Os, Base) -> @@ -424,7 +424,7 @@ find_closure_refs([], Refs) -> %%------------------------------------------------------------------------ -export_funs([FunDef | Addresses]) -> +export_funs([FunDef | FunDefs]) -> #fundef{address=Address, mfa=MFA, is_closure=IsClosure, is_exported=IsExported} = FunDef, ?IF_DEBUG({M,F,A} = MFA, no_debug), @@ -439,19 +439,19 @@ export_funs([FunDef | Addresses]) -> end, no_debug), hipe_bifs:set_funinfo_native_address(MFA, Address, IsExported), hipe_bifs:set_native_address(MFA, Address, IsClosure), - export_funs(Addresses); + export_funs(FunDefs); export_funs([]) -> ok. -export_funs(Mod, MD5, Beam, Addresses, ClosuresToPatch) -> - Fs = [{F,A,Address} || #fundef{address=Address, mfa={_M,F,A}} <- Addresses], +export_funs(Mod, MD5, Beam, FunDefs, ClosuresToPatch) -> + Fs = [{F,A,Address} || #fundef{address=Address, mfa={_M,F,A}} <- FunDefs], Mod = code:make_stub_module(Mod, Beam, {Fs,ClosuresToPatch,MD5}), ok. %%======================================================================== %% Patching %% @spec patch(refs(), BaseAddress::integer(), ConstAndZone::term(), -%% Addresses::term(), TrampolineMap::term()) -> 'ok'. +%% FunDefs::term(), TrampolineMap::term()) -> 'ok'. %% @type refs()=[{RefType::integer(), Reflist::reflist()} | refs()] %% %% @type reflist()= [{Data::term(), Offsets::offests()}|reflist()] @@ -463,39 +463,39 @@ export_funs(Mod, MD5, Beam, Addresses, ClosuresToPatch) -> %% (we use this to look up the address of a referred function only once). %% -patch([{Type,SortedRefs}|Rest], CodeAddress, ConstMap2, Addresses, TrampolineMap) -> +patch([{Type,SortedRefs}|Rest], CodeAddress, ConstMap2, FunDefs, TrampolineMap) -> ?debug_msg("Patching ~w at [~w+offset] with ~w\n", [Type,CodeAddress,SortedRefs]), case ?EXT2PATCH_TYPE(Type) of call_local -> - patch_call(SortedRefs, CodeAddress, Addresses, 'local', TrampolineMap); + patch_call(SortedRefs, CodeAddress, FunDefs, 'local', TrampolineMap); call_remote -> - patch_call(SortedRefs, CodeAddress, Addresses, 'remote', TrampolineMap); + patch_call(SortedRefs, CodeAddress, FunDefs, 'remote', TrampolineMap); Other -> - patch_all(Other, SortedRefs, CodeAddress, {ConstMap2,CodeAddress}, Addresses) + patch_all(Other, SortedRefs, CodeAddress, {ConstMap2,CodeAddress}, FunDefs) end, - patch(Rest, CodeAddress, ConstMap2, Addresses, TrampolineMap); + patch(Rest, CodeAddress, ConstMap2, FunDefs, TrampolineMap); patch([], _, _, _, _) -> ok. %%---------------------------------------------------------------- %% Handle a 'call_local' or 'call_remote' patch. %% -patch_call([{DestMFA,Offsets}|SortedRefs], BaseAddress, Addresses, RemoteOrLocal, TrampolineMap) -> +patch_call([{DestMFA,Offsets}|SortedRefs], BaseAddress, FunDefs, RemoteOrLocal, TrampolineMap) -> case bif_address(DestMFA) of false -> - %% Previous code used mfa_to_address(DestMFA, Addresses) + %% Previous code used mfa_to_address(DestMFA, FunDefs) %% here for local calls. That is wrong because even local - %% destinations may not be present in Addresses: they may + %% destinations may not be present in FunDefs: they may %% not have been compiled yet, or they may be BEAM-only %% functions (e.g. module_info). - DestAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal), + DestAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal), Trampoline = trampoline_map_get(DestMFA, TrampolineMap), - patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline); + patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline); BifAddress when is_integer(BifAddress) -> Trampoline = trampoline_map_lookup(DestMFA, TrampolineMap), patch_bif_call_list(Offsets, BaseAddress, BifAddress, Trampoline) end, - patch_call(SortedRefs, BaseAddress, Addresses, RemoteOrLocal, TrampolineMap); + patch_call(SortedRefs, BaseAddress, FunDefs, RemoteOrLocal, TrampolineMap); patch_call([], _, _, _, _) -> ok. @@ -506,12 +506,12 @@ patch_bif_call_list([Offset|Offsets], BaseAddress, BifAddress, Trampoline) -> patch_bif_call_list(Offsets, BaseAddress, BifAddress, Trampoline); patch_bif_call_list([], _, _, _) -> ok. -patch_mfa_call_list([Offset|Offsets], BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline) -> +patch_mfa_call_list([Offset|Offsets], BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline) -> CallAddress = BaseAddress+Offset, - add_ref(DestMFA, CallAddress, Addresses, 'call', Trampoline, RemoteOrLocal), + add_ref(DestMFA, CallAddress, FunDefs, 'call', Trampoline, RemoteOrLocal), ?ASSERT(assert_local_patch(CallAddress)), patch_call_insn(CallAddress, DestAddress, Trampoline), - patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline); + patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline); patch_mfa_call_list([], _, _, _, _, _, _) -> ok. patch_call_insn(CallAddress, DestAddress, Trampoline) -> @@ -522,33 +522,33 @@ patch_call_insn(CallAddress, DestAddress, Trampoline) -> %% ____________________________________________________________________ %% -patch_all(Type, [{Dest,Offsets}|Rest], BaseAddress, ConstAndZone, Addresses)-> - patch_all_offsets(Type, Dest, Offsets, BaseAddress, ConstAndZone, Addresses), - patch_all(Type, Rest, BaseAddress, ConstAndZone, Addresses); +patch_all(Type, [{Dest,Offsets}|Rest], BaseAddress, ConstAndZone, FunDefs)-> + patch_all_offsets(Type, Dest, Offsets, BaseAddress, ConstAndZone, FunDefs), + patch_all(Type, Rest, BaseAddress, ConstAndZone, FunDefs); patch_all(_, [], _, _, _) -> ok. patch_all_offsets(Type, Data, [Offset|Offsets], BaseAddress, - ConstAndZone, Addresses) -> + ConstAndZone, FunDefs) -> ?debug_msg("Patching ~w at [~w+~w] with ~w\n", [Type,BaseAddress,Offset, Data]), Address = BaseAddress + Offset, - patch_offset(Type, Data, Address, ConstAndZone, Addresses), + patch_offset(Type, Data, Address, ConstAndZone, FunDefs), ?debug_msg("Patching done\n",[]), - patch_all_offsets(Type, Data, Offsets, BaseAddress, ConstAndZone, Addresses); + patch_all_offsets(Type, Data, Offsets, BaseAddress, ConstAndZone, FunDefs); patch_all_offsets(_, _, [], _, _, _) -> ok. %%---------------------------------------------------------------- %% Handle any patch type except 'call_local' or 'call_remote'. %% -patch_offset(Type, Data, Address, ConstAndZone, Addresses) -> +patch_offset(Type, Data, Address, ConstAndZone, FunDefs) -> case Type of load_address -> - patch_load_address(Data, Address, ConstAndZone, Addresses); + patch_load_address(Data, Address, ConstAndZone, FunDefs); load_atom -> Atom = Data, patch_atom(Address, Atom); sdesc -> - patch_sdesc(Data, Address, ConstAndZone, Addresses); + patch_sdesc(Data, Address, ConstAndZone, FunDefs); x86_abs_pcrel -> patch_instr(Address, Data, x86_abs_pcrel) %% _ -> @@ -561,37 +561,37 @@ patch_atom(Address, Atom) -> patch_instr(Address, hipe_bifs:atom_to_word(Atom), atom). patch_sdesc(?STACK_DESC(SymExnRA, FSize, Arity, Live), - Address, {_ConstMap2,CodeAddress}, _Addresses) -> + Address, {_ConstMap2,CodeAddress}, _FunDefs) -> ExnRA = case SymExnRA of [] -> 0; % No catch LabelOffset -> CodeAddress + LabelOffset end, ?ASSERT(assert_local_patch(Address)), - DBG_MFA = ?IF_DEBUG(address_to_mfa_lth(Address, _Addresses), {undefined,undefined,0}), + DBG_MFA = ?IF_DEBUG(address_to_mfa_lth(Address, _FunDefs), {undefined,undefined,0}), hipe_bifs:enter_sdesc({Address, ExnRA, FSize, Arity, Live, DBG_MFA}). %%---------------------------------------------------------------- %% Handle a 'load_address'-type patch. %% -patch_load_address(Data, Address, ConstAndZone, Addresses) -> +patch_load_address(Data, Address, ConstAndZone, FunDefs) -> case Data of {local_function,DestMFA} -> - patch_load_mfa(Address, DestMFA, Addresses, 'local'); + patch_load_mfa(Address, DestMFA, FunDefs, 'local'); {remote_function,DestMFA} -> - patch_load_mfa(Address, DestMFA, Addresses, 'remote'); + patch_load_mfa(Address, DestMFA, FunDefs, 'remote'); {constant,Name} -> {ConstMap2,_CodeAddress} = ConstAndZone, ConstAddress = find_const(Name, ConstMap2), patch_instr(Address, ConstAddress, constant); {closure,{DestMFA,Uniq,Index}} -> - patch_closure(DestMFA, Uniq, Index, Address, Addresses); + patch_closure(DestMFA, Uniq, Index, Address, FunDefs); {c_const,CConst} -> patch_instr(Address, bif_address(CConst), c_const) end. -patch_closure(DestMFA, Uniq, Index, Address, Addresses) -> +patch_closure(DestMFA, Uniq, Index, Address, FunDefs) -> case get(hipe_patch_closures) of false -> []; % This is taken care of when registering the module. @@ -602,7 +602,7 @@ patch_closure(DestMFA, Uniq, Index, Address, Addresses) -> %% address into the fun entry to ensure that the native code cannot %% be called until it has been completely fixed up. RemoteOrLocal = local, % closure code refs are local - DestAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal), + DestAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal), BEAMAddress = hipe_bifs:fun_to_address(DestMFA), FE = hipe_bifs:get_fe(mod(DestMFA), {Uniq, Index, BEAMAddress}), put(closures_to_patch, [{FE,DestAddress}|get(closures_to_patch)]), @@ -616,12 +616,12 @@ patch_closure(DestMFA, Uniq, Index, Address, Addresses) -> %% Patch an instruction loading the address of an MFA. %% RemoteOrLocal ::= 'remote' | 'local' %% -patch_load_mfa(CodeAddress, DestMFA, Addresses, RemoteOrLocal) -> +patch_load_mfa(CodeAddress, DestMFA, FunDefs, RemoteOrLocal) -> DestAddress = case bif_address(DestMFA) of false -> - NativeAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal), - add_ref(DestMFA, CodeAddress, Addresses, 'load_mfa', [], RemoteOrLocal), + NativeAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal), + add_ref(DestMFA, CodeAddress, FunDefs, 'load_mfa', [], RemoteOrLocal), NativeAddress; BifAddress when is_integer(BifAddress) -> BifAddress @@ -772,7 +772,7 @@ find_const(ConstNo, []) -> %%---------------------------------------------------------------- %% Record that the code at address 'Address' has a reference %% of type 'RefType' ('call' or 'load_mfa') to 'CalleeMFA'. -%% 'Addresses' must be an address-descending list from exports/2. +%% 'FunDefs' must be an address-descending list from exports/2. %% %% If 'RefType' is 'call', then 'Trampoline' may be the address %% of a stub branching to 'CalleeMFA', where the stub is reachable @@ -785,8 +785,8 @@ find_const(ConstNo, []) -> %% -record(ref, {caller_mfa, address, ref_type, trampoline, remote_or_local}). %% -add_ref(CalleeMFA, Address, Addresses, RefType, Trampoline, RemoteOrLocal) -> - CallerMFA = address_to_mfa_lth(Address, Addresses), +add_ref(CalleeMFA, Address, FunDefs, RefType, Trampoline, RemoteOrLocal) -> + CallerMFA = address_to_mfa_lth(Address, FunDefs), %% just a sanity assertion below true = case RemoteOrLocal of local -> @@ -904,13 +904,13 @@ remove_refs_from(MFAs) -> %%-------------------------------------------------------------------- %% To find the native code of an MFA we need to look in 3 places: -%% 1. If it is compiled now look in the Addresses data structure. +%% 1. If it is compiled now look in the FunDefs data structure. %% 2. Then look in native_addresses from module info. %% 3. Then (the function might have been singled compiled) look in %% hipe_funinfo %% If all else fails create a native stub for the MFA -get_native_address(MFA, Addresses, RemoteOrLocal) -> - case mfa_to_address(MFA, Addresses, RemoteOrLocal) of +get_native_address(MFA, FunDefs, RemoteOrLocal) -> + case mfa_to_address(MFA, FunDefs, RemoteOrLocal) of Adr when is_integer(Adr) -> Adr; false -> IsRemote = |