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132 lines
3.9 KiB
ObjectPascal
132 lines
3.9 KiB
ObjectPascal
{
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Copyright (c) 1998-2010 by Florian Klaempfl and Jonas Maebe
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Member of the Free Pascal development team
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This unit contains routines to create a pass-through high-level code
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generator. This is used by most regular code generators.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit hlcgcpu;
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{$i fpcdefs.inc}
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interface
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uses
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symtype,
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aasmdata,
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symdef,
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cgbase,cgutils,
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hlcgobj, hlcg2ll;
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type
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thlcgxtensa = class(thlcg2ll)
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procedure g_intf_wrapper(list: TAsmList; procdef: tprocdef; const labelname: string; ioffset: longint);override;
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procedure record_generated_code_for_procdef(pd: tprocdef; code, data: TAsmList);override;
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end;
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implementation
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uses
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verbose,globtype,fmodule,
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aasmbase,aasmtai,
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symconst,symsym,defutil,
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cpubase,aasmcpu,parabase,
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procinfo,
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cgobj,cgcpu;
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procedure create_hlcodegen_cpu;
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begin
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hlcg:=thlcgxtensa.create;
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create_codegen;
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end;
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procedure thlcgxtensa.g_intf_wrapper(list : TAsmList; procdef : tprocdef;
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const labelname : string; ioffset : longint);
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var
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make_global : boolean;
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tmpref : treference;
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l : TAsmLabel;
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begin
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if not(procdef.proctypeoption in [potype_function,potype_procedure]) then
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Internalerror(200006137);
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if not assigned(procdef.struct) or
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(procdef.procoptions*[po_classmethod, po_staticmethod,
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po_methodpointer, po_interrupt, po_iocheck]<>[]) then
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Internalerror(200006138);
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if procdef.owner.symtabletype<>ObjectSymtable then
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Internalerror(200109191);
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make_global:=false;
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if (not current_module.is_unit) or
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create_smartlink or
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(procdef.owner.defowner.owner.symtabletype=globalsymtable) then
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make_global:=true;
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if make_global then
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list.concat(Tai_symbol.Createname_global(labelname,AT_FUNCTION,0,procdef))
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else
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list.concat(Tai_symbol.Createname_hidden(labelname,AT_FUNCTION,0,procdef));
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{ the wrapper might need aktlocaldata for the additional data to
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load the constant }
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current_procinfo:=cprocinfo.create(nil);
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{ set param1 interface to self }
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g_adjust_self_value(list,procdef,ioffset);
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{ case 4 }
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if (po_virtualmethod in procdef.procoptions) and
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not is_objectpascal_helper(procdef.struct) then
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begin
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// loadvmttor12;
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// op_onr12methodaddr;
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end
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else
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cg.a_jmp_name(list,procdef.mangledname);
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list.concatlist(current_procinfo.aktlocaldata);
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current_procinfo.Free;
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current_procinfo:=nil;
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list.concat(Tai_symbol_end.Createname(labelname));
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end;
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procedure thlcgxtensa.record_generated_code_for_procdef(pd : tprocdef; code,
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data : TAsmList);
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var
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alt : TAsmListType;
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begin
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{ Xtensa needs the data before the subroutine }
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if assigned(data) and
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(not data.empty) then
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begin
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data.Concat(tai_align.Create(4));
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code.insertlist(data);
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end;
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inherited record_generated_code_for_procdef(pd,code,nil);
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end;
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begin
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chlcgobj:=thlcgxtensa;
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create_hlcodegen:=@create_hlcodegen_cpu;
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end.
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