{ $Id$ Copyright (c) 1998-2002 by Florian Klaempfl This unit implements an asmoutput class for the Nasm assembler with Intel syntax for the i386+ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. **************************************************************************** } unit ag386nsm; {$i fpcdefs.inc} interface uses cpubase, aasmbase,aasmtai,aasmcpu,assemble; type T386NasmAssembler = class(texternalassembler) private procedure WriteReference(var ref : treference); procedure WriteOper(const o:toper;s : topsize; opcode: tasmop;ops:longint;dest : boolean); procedure WriteOper_jmp(const o:toper; op : tasmop); public procedure WriteTree(p:taasmoutput);override; procedure WriteAsmList;override; procedure WriteExternals; end; implementation uses {$ifdef delphi} sysutils, {$endif} cutils,globtype,globals,systems,cclasses, fmodule,finput,verbose,cpuinfo,cgbase ; const line_length = 64; nasm_regname_table : array[tregisterindex] of string[7] = ( {r386nasm.inc contains the Nasm name of each register.} {$i r386nasm.inc} ); var lastfileinfo : tfileposinfo; infile, lastinfile : tinputfile; function nasm_regname(r:Tregister):string; var p : tregisterindex; begin p:=findreg_by_number(r); if p<>0 then result:=nasm_regname_table[p] else result:=generic_regname(r); end; function fixline(s:string):string; { return s with all leading and ending spaces and tabs removed } var i,j,k : longint; begin i:=length(s); while (i>0) and (s[i] in [#9,' ']) do dec(i); j:=1; while (j0 then hs[p]:='e'; p:=pos('+',hs); if p>0 then delete(hs,p,1); single2str:=lower(hs); end; function double2str(d : double) : string; var hs : string; p : byte; begin str(d,hs); { nasm expects a lowercase e } p:=pos('E',hs); if p>0 then hs[p]:='e'; p:=pos('+',hs); if p>0 then delete(hs,p,1); double2str:=lower(hs); end; function extended2str(e : extended) : string; var hs : string; p : byte; begin str(e,hs); { nasm expects a lowercase e } p:=pos('E',hs); if p>0 then hs[p]:='e'; p:=pos('+',hs); if p>0 then delete(hs,p,1); extended2str:=lower(hs); end; function comp2str(d : bestreal) : string; type pdouble = ^double; var c : comp; dd : pdouble; begin {$ifdef FPC} c:=comp(d); {$else} c:=d; {$endif} dd:=pdouble(@c); { this makes a bitwise copy of c into a double } comp2str:=double2str(dd^); end; function sizestr(s:topsize;dest:boolean):string; begin case s of S_B : sizestr:='byte '; S_W : sizestr:='word '; S_L : sizestr:='dword '; S_IS : sizestr:='word '; S_IL : sizestr:='dword '; S_IQ : sizestr:='qword '; S_FS : sizestr:='dword '; S_FL : sizestr:='qword '; S_FX : sizestr:='tword '; S_BW : if dest then sizestr:='word ' else sizestr:='byte '; S_BL : if dest then sizestr:='dword ' else sizestr:='byte '; S_WL : if dest then sizestr:='dword ' else sizestr:='word '; else { S_NO } sizestr:=''; end; end; Function PadTabs(const p:string;addch:char):string; var s : string; i : longint; begin i:=length(p); if addch<>#0 then begin inc(i); s:=p+addch; end else s:=p; if i<8 then PadTabs:=s+#9#9 else PadTabs:=s+#9; end; {**************************************************************************** T386NasmAssembler ****************************************************************************} procedure T386NasmAssembler.WriteReference(var ref : treference); var first : boolean; begin with ref do begin AsmWrite('['); first:=true; if (segment<>NR_NO) then AsmWrite(nasm_regname(segment)+':'); if assigned(symbol) then begin AsmWrite(symbol.name); first:=false; end; if (base<>NR_NO) then begin if not(first) then AsmWrite('+') else first:=false; AsmWrite(nasm_regname(base)) end; if (index<>NR_NO) then begin if not(first) then AsmWrite('+') else first:=false; AsmWrite(nasm_regname(index)); if scalefactor<>0 then AsmWrite('*'+tostr(scalefactor)); end; if offset<0 then begin AsmWrite(tostr(offset)); first:=false; end else if (offset>0) then begin AsmWrite('+'+tostr(offset)); first:=false; end; if first then AsmWrite('0'); AsmWrite(']'); end; end; procedure T386NasmAssembler.WriteOper(const o:toper;s : topsize; opcode: tasmop;ops:longint;dest : boolean); begin case o.typ of top_reg : AsmWrite(nasm_regname(o.reg)); top_const : begin if (ops=1) and (opcode<>A_RET) then AsmWrite(sizestr(s,dest)); AsmWrite(tostr(longint(o.val))); end; top_symbol : begin asmwrite('dword '); if assigned(o.sym) then begin asmwrite(o.sym.name); if o.symofs=0 then exit; end; if o.symofs>0 then asmwrite('+'); asmwrite(tostr(o.symofs)) end; top_ref : begin if not ((opcode = A_LEA) or (opcode = A_LGS) or (opcode = A_LSS) or (opcode = A_LFS) or (opcode = A_LES) or (opcode = A_LDS) or (opcode = A_SHR) or (opcode = A_SHL) or (opcode = A_SAR) or (opcode = A_SAL) or (opcode = A_OUT) or (opcode = A_IN)) then AsmWrite(sizestr(s,dest)); WriteReference(o.ref^); end; else internalerror(10001); end; end; procedure T386NasmAssembler.WriteOper_jmp(const o:toper; op : tasmop); begin case o.typ of top_reg : AsmWrite(nasm_regname(o.reg)); top_ref : WriteReference(o.ref^); top_const : AsmWrite(tostr(longint(o.val))); top_symbol : begin if not( (op=A_JCXZ) or (op=A_JECXZ) or (op=A_LOOP) or (op=A_LOOPE) or (op=A_LOOPNE) or (op=A_LOOPNZ) or (op=A_LOOPZ) ) then AsmWrite('NEAR '); AsmWrite(o.sym.name); if o.symofs>0 then AsmWrite('+'+tostr(o.symofs)) else if o.symofs<0 then AsmWrite(tostr(o.symofs)); end; else internalerror(10001); end; end; var LasTSec : TSection; const ait_const2str:array[ait_const_32bit..ait_const_8bit] of string[8]= (#9'DD'#9,#9'DW'#9,#9'DB'#9); procedure T386NasmAssembler.WriteTree(p:taasmoutput); const allocstr : array[boolean] of string[10]=(' released',' allocated'); var s : string; hp : tai; hp1 : tailineinfo; counter, lines, i,j,l : longint; InlineLevel : longint; consttyp : taitype; found, do_line, quoted : boolean; begin if not assigned(p) then exit; InlineLevel:=0; { lineinfo is only needed for codesegment (PFV) } do_line:=(cs_asm_source in aktglobalswitches) or ((cs_lineinfo in aktmoduleswitches) and (p=codesegment)); hp:=tai(p.first); while assigned(hp) do begin if not(hp.typ in SkipLineInfo) then begin hp1:=hp as tailineinfo; aktfilepos:=hp1.fileinfo; if do_line then begin { load infile } if lastfileinfo.fileindex<>hp1.fileinfo.fileindex then begin infile:=current_module.sourcefiles.get_file(hp1.fileinfo.fileindex); if assigned(infile) then begin { open only if needed !! } if (cs_asm_source in aktglobalswitches) then infile.open; end; { avoid unnecessary reopens of the same file !! } lastfileinfo.fileindex:=hp1.fileinfo.fileindex; { be sure to change line !! } lastfileinfo.line:=-1; end; { write source } if (cs_asm_source in aktglobalswitches) and assigned(infile) then begin if (infile<>lastinfile) then begin AsmWriteLn(target_asm.comment+'['+infile.name^+']'); if assigned(lastinfile) then lastinfile.close; end; if (hp1.fileinfo.line<>lastfileinfo.line) and ((hp1.fileinfo.line0)) then begin if (hp1.fileinfo.line<>0) and ((infile.linebuf^[hp1.fileinfo.line]>=0) or (InlineLevel>0)) then AsmWriteLn(target_asm.comment+'['+tostr(hp1.fileinfo.line)+'] '+ fixline(infile.GetLineStr(hp1.fileinfo.line))); { set it to a negative value ! to make that is has been read already !! PM } if (infile.linebuf^[hp1.fileinfo.line]>=0) then infile.linebuf^[hp1.fileinfo.line]:=-infile.linebuf^[hp1.fileinfo.line]-1; end; end; lastfileinfo:=hp1.fileinfo; lastinfile:=infile; end; end; case hp.typ of ait_comment : Begin AsmWrite(target_asm.comment); AsmWritePChar(tai_comment(hp).str); AsmLn; End; ait_regalloc : begin if (cs_asm_regalloc in aktglobalswitches) then AsmWriteLn(#9#9+target_asm.comment+'Register '+nasm_regname(tai_regalloc(hp).reg)+ allocstr[tai_regalloc(hp).allocation]); end; ait_tempalloc : begin if (cs_asm_tempalloc in aktglobalswitches) then begin {$ifdef EXTDEBUG} if assigned(tai_tempalloc(hp).problem) then AsmWriteLn(target_asm.comment+tai_tempalloc(hp).problem^+' ('+tostr(tai_tempalloc(hp).temppos)+','+ tostr(tai_tempalloc(hp).tempsize)+')') else {$endif EXTDEBUG} AsmWriteLn(target_asm.comment+'Temp '+tostr(tai_tempalloc(hp).temppos)+','+ tostr(tai_tempalloc(hp).tempsize)+allocstr[tai_tempalloc(hp).allocation]); end; end; ait_section : begin if tai_section(hp).sec<>sec_none then begin AsmLn; AsmWriteLn('SECTION '+target_asm.secnames[tai_section(hp).sec]); end; LasTSec:=tai_section(hp).sec; end; ait_align : begin { nasm gives warnings when it finds align in bss as it wants to store data } if lastsec<>sec_bss then AsmWriteLn(#9'ALIGN '+tostr(tai_align(hp).aligntype)); end; ait_datablock : begin if tai_datablock(hp).is_global then begin AsmWrite(#9'GLOBAL '); AsmWriteLn(tai_datablock(hp).sym.name); end; AsmWrite(PadTabs(tai_datablock(hp).sym.name,':')); AsmWriteLn('RESB'#9+tostr(tai_datablock(hp).size)); end; ait_const_32bit, ait_const_16bit, ait_const_8bit : begin AsmWrite(ait_const2str[hp.typ]+tostr(tai_const(hp).value)); consttyp:=hp.typ; l:=0; repeat found:=(not (tai(hp.next)=nil)) and (tai(hp.next).typ=consttyp); if found then begin hp:=tai(hp.next); s:=','+tostr(tai_const(hp).value); AsmWrite(s); inc(l,length(s)); end; until (not found) or (l>line_length); AsmLn; end; ait_const_symbol : begin AsmWrite(#9#9'DD'#9); AsmWrite(tai_const_symbol(hp).sym.name); if tai_const_symbol(hp).offset>0 then AsmWrite('+'+tostr(tai_const_symbol(hp).offset)) else if tai_const_symbol(hp).offset<0 then AsmWrite(tostr(tai_const_symbol(hp).offset)); AsmLn; end; ait_const_rva : begin AsmWrite(#9#9'RVA'#9); AsmWriteLn(tai_const_symbol(hp).sym.name); end; ait_real_32bit : AsmWriteLn(#9#9'DD'#9+single2str(tai_real_32bit(hp).value)); ait_real_64bit : AsmWriteLn(#9#9'DQ'#9+double2str(tai_real_64bit(hp).value)); ait_real_80bit : AsmWriteLn(#9#9'DT'#9+extended2str(tai_real_80bit(hp).value)); ait_comp_64bit : AsmWriteLn(#9#9'DQ'#9+comp2str(tai_real_80bit(hp).value)); ait_string : begin counter := 0; lines := tai_string(hp).len div line_length; { separate lines in different parts } if tai_string(hp).len > 0 then Begin for j := 0 to lines-1 do begin AsmWrite(#9#9'DB'#9); quoted:=false; for i:=counter to counter+line_length-1 do begin { it is an ascii character. } if (ord(tai_string(hp).str[i])>31) and (ord(tai_string(hp).str[i])<128) and (tai_string(hp).str[i]<>'"') then begin if not(quoted) then begin if i>counter then AsmWrite(','); AsmWrite('"'); end; AsmWrite(tai_string(hp).str[i]); quoted:=true; end { if > 31 and < 128 and ord('"') } else begin if quoted then AsmWrite('"'); if i>counter then AsmWrite(','); quoted:=false; AsmWrite(tostr(ord(tai_string(hp).str[i]))); end; end; { end for i:=0 to... } if quoted then AsmWrite('"'); AsmWrite(target_info.newline); inc(counter,line_length); end; { end for j:=0 ... } { do last line of lines } if counter31) and (ord(tai_string(hp).str[i])<128) and (tai_string(hp).str[i]<>'"') then begin if not(quoted) then begin if i>counter then AsmWrite(','); AsmWrite('"'); end; AsmWrite(tai_string(hp).str[i]); quoted:=true; end { if > 31 and < 128 and " } else begin if quoted then AsmWrite('"'); if i>counter then AsmWrite(','); quoted:=false; AsmWrite(tostr(ord(tai_string(hp).str[i]))); end; end; { end for i:=0 to... } if quoted then AsmWrite('"'); end; AsmLn; end; ait_label : begin if tai_label(hp).l.is_used then AsmWriteLn(tai_label(hp).l.name+':'); end; ait_direct : begin AsmWritePChar(tai_direct(hp).str); AsmLn; end; ait_symbol : begin if tai_symbol(hp).is_global then begin AsmWrite(#9'GLOBAL '); AsmWriteLn(tai_symbol(hp).sym.name); end; AsmWrite(tai_symbol(hp).sym.name); if assigned(hp.next) and not(tai(hp.next).typ in [ait_const_32bit,ait_const_16bit,ait_const_8bit, ait_const_symbol,ait_const_rva, ait_real_32bit,ait_real_64bit,ait_real_80bit,ait_comp_64bit,ait_string]) then AsmWriteLn(':') end; ait_symbol_end : ; ait_instruction : begin taicpu(hp).CheckNonCommutativeOpcodes; { We need intel order, no At&t } taicpu(hp).SetOperandOrder(op_intel); s:=''; if ((taicpu(hp).opcode=A_FADDP) or (taicpu(hp).opcode=A_FMULP)) and (taicpu(hp).ops=0) then begin taicpu(hp).ops:=2; taicpu(hp).oper[0].typ:=top_reg; taicpu(hp).oper[0].reg:=NR_ST1; taicpu(hp).oper[1].typ:=top_reg; taicpu(hp).oper[1].reg:=NR_ST; end; if taicpu(hp).opcode=A_FWAIT then AsmWriteln(#9#9'DB'#9'09bh') else begin { We need to explicitely set word prefix to get selectors to be pushed in 2 bytes PM } if (taicpu(hp).opsize=S_W) and ((taicpu(hp).opcode=A_PUSH) or (taicpu(hp).opcode=A_POP)) and (taicpu(hp).oper[0].typ=top_reg) and (is_segment_reg(taicpu(hp).oper[0].reg)) then AsmWriteln(#9#9'DB'#9'066h'); AsmWrite(#9#9+std_op2str[taicpu(hp).opcode]+cond2str[taicpu(hp).condition]); if taicpu(hp).ops<>0 then begin if is_calljmp(taicpu(hp).opcode) then begin AsmWrite(#9); WriteOper_jmp(taicpu(hp).oper[0],taicpu(hp).opcode); end else begin for i:=0 to taicpu(hp).ops-1 do begin if i=0 then AsmWrite(#9) else AsmWrite(','); WriteOper(taicpu(hp).oper[i],taicpu(hp).opsize,taicpu(hp).opcode,taicpu(hp).ops,(i=2)); end; end; end; AsmLn; end; end; {$ifdef GDB} ait_stabn, ait_stabs, ait_force_line, ait_stab_function_name : ; {$endif GDB} ait_cut : begin { only reset buffer if nothing has changed } if AsmSize=AsmStartSize then AsmClear else begin AsmClose; DoAssemble; AsmCreate(tai_cut(hp).place); end; { avoid empty files } while assigned(hp.next) and (tai(hp.next).typ in [ait_cut,ait_section,ait_comment]) do begin if tai(hp.next).typ=ait_section then lasTSec:=tai_section(hp.next).sec; hp:=tai(hp.next); end; if lasTSec<>sec_none then AsmWriteLn('SECTION '+target_asm.secnames[lasTSec]); AsmStartSize:=AsmSize; end; ait_marker : if tai_marker(hp).kind=InlineStart then inc(InlineLevel) else if tai_marker(hp).kind=InlineEnd then dec(InlineLevel); else internalerror(10000); end; hp:=tai(hp.next); end; end; var currentasmlist : TExternalAssembler; procedure writeexternal(p:tnamedindexitem;arg:pointer); begin if tasmsymbol(p).defbind=AB_EXTERNAL then currentasmlist.AsmWriteln('EXTERN'#9+p.name); end; procedure T386NasmAssembler.WriteExternals; begin currentasmlist:=self; objectlibrary.symbolsearch.foreach_static({$ifdef fpcprocvar}@{$endif}writeexternal,nil); end; procedure T386NasmAssembler.WriteAsmList; begin {$ifdef EXTDEBUG} if assigned(current_module.mainsource) then comment(v_info,'Start writing nasm-styled assembler output for '+current_module.mainsource^); {$endif} LasTSec:=sec_none; AsmWriteLn('BITS 32'); AsmLn; lastfileinfo.line:=-1; lastfileinfo.fileindex:=0; lastinfile:=nil; WriteExternals; { Nasm doesn't support stabs WriteTree(debuglist);} WriteTree(codesegment); WriteTree(datasegment); WriteTree(consts); WriteTree(rttilist); WriteTree(resourcestringlist); WriteTree(bsssegment); Writetree(importssection); { exports are written by DLLTOOL if we use it so don't insert it twice (PM) } if not UseDeffileForExport and assigned(exportssection) then Writetree(exportssection); Writetree(resourcesection); AsmLn; {$ifdef EXTDEBUG} if assigned(current_module.mainsource) then comment(v_info,'Done writing nasm-styled assembler output for '+current_module.mainsource^); {$endif EXTDEBUG} end; {***************************************************************************** Initialize *****************************************************************************} const as_i386_nasmcoff_info : tasminfo = ( id : as_i386_nasmcoff; idtxt : 'NASMCOFF'; asmbin : 'nasm'; asmcmd : '-f coff -o $OBJ $ASM'; supported_target : system_i386_go32v2; outputbinary: false; allowdirect : true; needar : true; labelprefix_only_inside_procedure: false; labelprefix : '..@'; comment : '; '; secnames : ('', '.text','.data','.bss', '.idata2','.idata4','.idata5','.idata6','.idata7','.edata', '.stab','.stabstr','') ); as_i386_nasmwin32_info : tasminfo = ( id : as_i386_nasmwin32; idtxt : 'NASMWIN32'; asmbin : 'nasm'; asmcmd : '-f win32 -o $OBJ $ASM'; supported_target : system_i386_win32; outputbinary: false; allowdirect : true; needar : true; labelprefix_only_inside_procedure: false; labelprefix : '..@'; comment : '; '; secnames : ('', '.text','.data','.bss', '.idata2','.idata4','.idata5','.idata6','.idata7','.edata', '.stab','.stabstr','') ); as_i386_nasmobj_info : tasminfo = ( id : as_i386_nasmobj; idtxt : 'NASMOBJ'; asmbin : 'nasm'; asmcmd : '-f obj -o $OBJ $ASM'; supported_target : system_any; { what should I write here ?? } outputbinary: false; allowdirect : true; needar : true; labelprefix_only_inside_procedure: false; labelprefix : '..@'; comment : '; '; secnames : ('', '.text','.data','.bss', '.idata2','.idata4','.idata5','.idata6','.idata7','.edata', '.stab','.stabstr','') ); as_i386_nasmwdosx_info : tasminfo = ( id : as_i386_nasmwdosx; idtxt : 'NASMWDOSX'; asmbin : 'nasm'; asmcmd : '-f win32 -o $OBJ $ASM'; supported_target : system_i386_wdosx; outputbinary: false; allowdirect : true; needar : true; labelprefix_only_inside_procedure: false; labelprefix : '..@'; comment : '; '; secnames : ('', '.text','.data','.bss', '.idata2','.idata4','.idata5','.idata6','.idata7','.edata', '.stab','.stabstr','') ); as_i386_nasmelf_info : tasminfo = ( id : as_i386_nasmelf; idtxt : 'NASMELF'; asmbin : 'nasm'; asmcmd : '-f elf -o $OBJ $ASM'; supported_target : system_i386_linux; outputbinary: false; allowdirect : true; needar : true; labelprefix_only_inside_procedure: false; labelprefix : '..@'; comment : '; '; secnames : ('', '.text','.data','.bss', '.idata2','.idata4','.idata5','.idata6','.idata7','.edata', '.stab','.stabstr','') ); initialization RegisterAssembler(as_i386_nasmcoff_info,T386NasmAssembler); RegisterAssembler(as_i386_nasmwin32_info,T386NasmAssembler); RegisterAssembler(as_i386_nasmwdosx_info,T386NasmAssembler); RegisterAssembler(as_i386_nasmobj_info,T386NasmAssembler); RegisterAssembler(as_i386_nasmelf_info,T386NasmAssembler); end. { $Log$ Revision 1.40 2003-10-01 20:34:49 peter * procinfo unit contains tprocinfo * cginfo renamed to cgbase * moved cgmessage to verbose * fixed ppc and sparc compiles Revision 1.39 2003/09/23 17:56:06 peter * locals and paras are allocated in the code generation * tvarsym.localloc contains the location of para/local when generating code for the current procedure Revision 1.38 2003/09/03 15:55:01 peter * NEWRA branch merged Revision 1.37.2.1 2003/08/31 15:46:26 peter * more updates for tregister Revision 1.37 2003/08/09 18:56:54 daniel * cs_regalloc renamed to cs_regvars to avoid confusion with register allocator * Some preventive changes to i386 spillinh code Revision 1.36 2003/07/06 15:31:21 daniel * Fixed register allocator. *Lots* of fixes. Revision 1.35 2003/06/03 13:01:59 daniel * Register allocator finished Revision 1.34 2003/05/26 19:37:57 peter * don't generate align in .bss Revision 1.33 2003/04/22 10:09:35 daniel + Implemented the actual register allocator + Scratch registers unavailable when new register allocator used + maybe_save/maybe_restore unavailable when new register allocator used Revision 1.32 2003/03/08 13:59:17 daniel * Work to handle new register notation in ag386nsm + Added newra version of Ti386moddivnode Revision 1.31 2003/03/08 08:59:07 daniel + $define newra will enable new register allocator + getregisterint will return imaginary registers with $newra + -sr switch added, will skip register allocation so you can see the direct output of the code generator before register allocation Revision 1.30 2003/01/08 18:43:57 daniel * Tregister changed into a record Revision 1.29 2002/12/24 18:10:34 peter * Long symbol names support Revision 1.28 2002/11/17 16:31:59 carl * memory optimization (3-4%) : cleanup of tai fields, cleanup of tdef and tsym fields. * make it work for m68k Revision 1.27 2002/11/15 01:58:56 peter * merged changes from 1.0.7 up to 04-11 - -V option for generating bug report tracing - more tracing for option parsing - errors for cdecl and high() - win32 import stabs - win32 records<=8 are returned in eax:edx (turned off by default) - heaptrc update - more info for temp management in .s file with EXTDEBUG Revision 1.26 2002/08/18 20:06:28 peter * inlining is now also allowed in interface * renamed write/load to ppuwrite/ppuload * tnode storing in ppu * nld,ncon,nbas are already updated for storing in ppu Revision 1.25 2002/08/12 15:08:41 carl + stab register indexes for powerpc (moved from gdb to cpubase) + tprocessor enumeration moved to cpuinfo + linker in target_info is now a class * many many updates for m68k (will soon start to compile) - removed some ifdef or correct them for correct cpu Revision 1.24 2002/08/11 14:32:29 peter * renamed current_library to objectlibrary Revision 1.23 2002/08/11 13:24:16 peter * saving of asmsymbols in ppu supported * asmsymbollist global is removed and moved into a new class tasmlibrarydata that will hold the info of a .a file which corresponds with a single module. Added librarydata to tmodule to keep the library info stored for the module. In the future the objectfiles will also be stored to the tasmlibrarydata class * all getlabel/newasmsymbol and friends are moved to the new class Revision 1.22 2002/07/26 21:15:43 florian * rewrote the system handling Revision 1.21 2002/07/01 18:46:29 peter * internal linker * reorganized aasm layer Revision 1.20 2002/05/18 13:34:21 peter * readded missing revisions Revision 1.19 2002/05/16 19:46:50 carl + defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand + try to fix temp allocation (still in ifdef) + generic constructor calls + start of tassembler / tmodulebase class cleanup Revision 1.17 2002/05/12 16:53:16 peter * moved entry and exitcode to ncgutil and cgobj * foreach gets extra argument for passing local data to the iterator function * -CR checks also class typecasts at runtime by changing them into as * fixed compiler to cycle with the -CR option * fixed stabs with elf writer, finally the global variables can be watched * removed a lot of routines from cga unit and replaced them by calls to cgobj * u32bit-s32bit updates for and,or,xor nodes. When one element is u32bit then the other is typecasted also to u32bit without giving a rangecheck warning/error. * fixed pascal calling method with reversing also the high tree in the parast, detected by tcalcst3 test Revision 1.16 2002/04/15 19:12:09 carl + target_info.size_of_pointer -> pointer_size + some cleanup of unused types/variables * move several constants from cpubase to their specific units (where they are used) + att_Reg2str -> gas_reg2str + int_reg2str -> std_reg2str Revision 1.15 2002/04/14 16:58:41 carl + att_reg2str -> gas_reg2str Revision 1.14 2002/04/04 18:27:37 carl + added wdosx support (patch from Pavel) Revision 1.13 2002/04/02 17:11:33 peter * tlocation,treference update * LOC_CONSTANT added for better constant handling * secondadd splitted in multiple routines * location_force_reg added for loading a location to a register of a specified size * secondassignment parses now first the right and then the left node (this is compatible with Kylix). This saves a lot of push/pop especially with string operations * adapted some routines to use the new cg methods }