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handle recursive record references (rec= record prec: ^rec) o llvm unfortunately does not support recursive references to array types or function pointers, so those will currently still result in endless recursion when the compiler tries to write them out. Solving those will require a lot of typecasting in the generated code git-svn-id: trunk@30675 -
125 lines
3.2 KiB
ObjectPascal
125 lines
3.2 KiB
ObjectPascal
{
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Copyright (c) 20011 by Jonas Maebe
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LLVM version of some node tree helper routines
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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 nllvmutil;
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{$i fpcdefs.inc}
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interface
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uses
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globtype,
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aasmdata,ngenutil,
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symtype,symconst,symsym,symdef;
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type
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tllvmnodeutils = class(tnodeutils)
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strict protected
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class procedure insertbsssym(list: tasmlist; sym: tstaticvarsym; size: asizeint; varalign: shortint); override;
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public
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class procedure InsertInitFinalTable; override;
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class procedure InsertWideInitsTablesTable; override;
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class procedure InsertWideInits; override;
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class procedure InsertResourceTablesTable; override;
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class procedure InsertResourceInfo(ResourcesUsed : boolean); override;
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class procedure InsertMemorySizes; override;
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class procedure InsertObjectInfo; override;
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end;
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implementation
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uses
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verbose,cutils,globals,fmodule,
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aasmbase,aasmtai,cpubase,llvmbase,aasmllvm,
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symbase,symtable,defutil,
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llvmtype;
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class procedure tllvmnodeutils.insertbsssym(list: tasmlist; sym: tstaticvarsym; size: asizeint; varalign: shortint);
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var
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asmsym: tasmsymbol;
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begin
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if sym.globalasmsym then
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asmsym:=current_asmdata.DefineAsmSymbol(sym.mangledname,AB_GLOBAL,AT_DATA)
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else
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asmsym:=current_asmdata.DefineAsmSymbol(sym.mangledname,AB_LOCAL,AT_DATA);
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if not(vo_is_thread_var in sym.varoptions) then
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list.concat(taillvmdecl.create(asmsym,sym.vardef,nil,sec_data,varalign))
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else
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list.concat(taillvmdecl.createtls(asmsym,sym.vardef,varalign))
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end;
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class procedure tllvmnodeutils.InsertInitFinalTable;
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begin
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{ todo }
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end;
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class procedure tllvmnodeutils.InsertWideInitsTablesTable;
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begin
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{ not required }
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end;
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class procedure tllvmnodeutils.InsertWideInits;
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begin
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{ not required }
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end;
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class procedure tllvmnodeutils.InsertResourceTablesTable;
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begin
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{ not supported }
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end;
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class procedure tllvmnodeutils.InsertResourceInfo(ResourcesUsed: boolean);
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begin
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{ not supported }
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end;
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class procedure tllvmnodeutils.InsertMemorySizes;
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begin
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{ not required }
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end;
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class procedure tllvmnodeutils.InsertObjectInfo;
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begin
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inherited;
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{ add "type xx = .." statements for all used recorddefs }
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with TLLVMTypeInfo.Create do
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begin
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inserttypeinfo;
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free;
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end;
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end;
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begin
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cnodeutils:=tllvmnodeutils;
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end.
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