|
|
@@ -0,0 +1,261 @@
|
|
|
+{
|
|
|
+ Copyright (c) 1999-2003 by Florian Klaempfl
|
|
|
+
|
|
|
+ This unit implements an asmoutput class for SPARC AT&T syntax
|
|
|
+
|
|
|
+ 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 cpugas;
|
|
|
+
|
|
|
+{$i fpcdefs.inc}
|
|
|
+
|
|
|
+interface
|
|
|
+
|
|
|
+ uses
|
|
|
+ cpubase,systems,
|
|
|
+ aasmtai,aasmdata,aasmcpu,assemble,aggas,
|
|
|
+ cgutils,globtype;
|
|
|
+
|
|
|
+ type
|
|
|
+ TGasSPARC=class(TGnuAssembler)
|
|
|
+ constructor CreateWithWriter(info: pasminfo; wr: TExternalAssemblerOutputFile; freewriter, smart: boolean); override;
|
|
|
+ {# Constructs the command line for calling the assembler }
|
|
|
+ function MakeCmdLine: TCmdStr; override;
|
|
|
+ end;
|
|
|
+
|
|
|
+ TSPARCInstrWriter=class(TCPUInstrWriter)
|
|
|
+ procedure WriteInstruction(hp:Tai);override;
|
|
|
+ function GetReferenceString(var ref : TReference):string;
|
|
|
+ function getopstr(const Oper:TOper):string;
|
|
|
+ end;
|
|
|
+
|
|
|
+implementation
|
|
|
+
|
|
|
+ uses
|
|
|
+ cutils,globals,cpuinfo,procinfo,
|
|
|
+ verbose,itcpugas,cgbase;
|
|
|
+
|
|
|
+
|
|
|
+{****************************************************************************}
|
|
|
+{ GNU PPC Assembler writer }
|
|
|
+{****************************************************************************}
|
|
|
+
|
|
|
+ constructor TGasSPARC.CreateWithWriter(info: pasminfo; wr: TExternalAssemblerOutputFile; freewriter, smart: boolean);
|
|
|
+ begin
|
|
|
+ inherited;
|
|
|
+ InstrWriter := TSPARCInstrWriter.create(self);
|
|
|
+ end;
|
|
|
+
|
|
|
+
|
|
|
+ function TGasSPARC.MakeCmdLine: TCmdStr;
|
|
|
+ begin
|
|
|
+ result := Inherited MakeCmdLine;
|
|
|
+
|
|
|
+ { ARCH selection }
|
|
|
+ // Note for casual readers: gas (GNU as) uses -Av7, -Av8, -Av9 etc. on SPARC,
|
|
|
+ // rather than variants of the -m option used by most other CPUs. Solaris as
|
|
|
+ // uses -xarch=v7, -xarch=v8 etc., that form is not supported here since there
|
|
|
+ // are probably other incompatibilties between the GNU and Solaris binutils
|
|
|
+ // that need to be reviewed.
|
|
|
+ //
|
|
|
+ // v9 is required as the default since the RTL started using membar at 2.2.2.
|
|
|
+ case current_settings.cputype of
|
|
|
+{$ifdef SPARC}
|
|
|
+ cpu_SPARC_V7: Replace(result,'$ARCH','-Av7');
|
|
|
+ cpu_SPARC_V8: Replace(result,'$ARCH','-Av8');
|
|
|
+{$endif SPARC}
|
|
|
+ cpu_SPARC_V9: Replace(result,'$ARCH','-Av9');
|
|
|
+ else
|
|
|
+ Replace(result,'$ARCH','-Av9')
|
|
|
+ end
|
|
|
+ end;
|
|
|
+
|
|
|
+
|
|
|
+ function TSPARCInstrWriter.GetReferenceString(var ref:TReference):string;
|
|
|
+ begin
|
|
|
+ result:='';
|
|
|
+ if assigned(ref.symbol) then
|
|
|
+ begin
|
|
|
+ result:=ref.symbol.name;
|
|
|
+ if assigned(ref.relsymbol) then
|
|
|
+ result:=result+'-'+ref.relsymbol.name;
|
|
|
+ end;
|
|
|
+ if (ref.offset<0) then
|
|
|
+ result:=result+tostr(ref.offset)
|
|
|
+ else if (ref.offset>0) then
|
|
|
+ begin
|
|
|
+ if assigned(ref.symbol) then
|
|
|
+ result:=result+'+';
|
|
|
+ result:=result+tostr(ref.offset);
|
|
|
+ end
|
|
|
+ { asmreader appears to treat literal numbers as references }
|
|
|
+ else if (ref.symbol=nil) and (ref.base=NR_NO) and (ref.index=NR_NO) then
|
|
|
+ result:='0';
|
|
|
+
|
|
|
+ case ref.refaddr of
|
|
|
+ addr_high:
|
|
|
+ result:='%hi('+result+')';
|
|
|
+ addr_low:
|
|
|
+ result:='%lo('+result+')';
|
|
|
+ addr_gdop_hix22:
|
|
|
+ result:='%gdop_hix2('+result+')';
|
|
|
+ addr_gdop_lox22:
|
|
|
+ result:='%gdop_lox2('+result+')';
|
|
|
+ end;
|
|
|
+
|
|
|
+ if assigned(ref.symbol) or (ref.offset<>0) then
|
|
|
+ begin
|
|
|
+ if (ref.base<>NR_NO) then
|
|
|
+ begin
|
|
|
+ if (ref.index<>NR_NO) then
|
|
|
+ InternalError(2013013001);
|
|
|
+ if (result[1]='-') then
|
|
|
+ result:=gas_regname(ref.base)+result
|
|
|
+ else
|
|
|
+ result:=gas_regname(ref.base)+'+'+result;
|
|
|
+ end
|
|
|
+ else if (ref.index<>NR_NO) then
|
|
|
+ InternalError(2013122501);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ if (ref.base<>NR_NO) then
|
|
|
+ begin
|
|
|
+ result:=gas_regname(ref.base);
|
|
|
+ if (ref.index<>NR_NO) then
|
|
|
+ result:=result+'+'+gas_regname(ref.index);
|
|
|
+ end
|
|
|
+ else if (ref.index<>NR_NO) then
|
|
|
+ result:=gas_regname(ref.index);
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+
|
|
|
+
|
|
|
+ function TSPARCInstrWriter.getopstr(const Oper:TOper):string;
|
|
|
+ begin
|
|
|
+ with Oper do
|
|
|
+ case typ of
|
|
|
+ top_reg:
|
|
|
+ getopstr:=gas_regname(reg);
|
|
|
+ top_const:
|
|
|
+ getopstr:=tostr(longint(val));
|
|
|
+ top_ref:
|
|
|
+ if (oper.ref^.refaddr in [addr_no,addr_pic]) or
|
|
|
+ ((oper.ref^.refaddr=addr_low) and ((oper.ref^.base<>NR_NO) or
|
|
|
+ (oper.ref^.index<>NR_NO))) then
|
|
|
+ getopstr:='['+getreferencestring(ref^)+']'
|
|
|
+ else
|
|
|
+ getopstr:=getreferencestring(ref^);
|
|
|
+ else
|
|
|
+ internalerror(10001);
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+
|
|
|
+
|
|
|
+ procedure TSPARCInstrWriter.WriteInstruction(hp:Tai);
|
|
|
+
|
|
|
+ procedure writePseudoInstruction(opc: TAsmOp);
|
|
|
+ begin
|
|
|
+ if (taicpu(hp).ops<>2) or
|
|
|
+ (taicpu(hp).oper[0]^.typ<>top_reg) or
|
|
|
+ (taicpu(hp).oper[1]^.typ<>top_reg) then
|
|
|
+ internalerror(200401045);
|
|
|
+ { Fxxxs %f<even>,%f<even> }
|
|
|
+ owner.writer.AsmWriteln(#9+std_op2str[opc]+#9+getopstr(taicpu(hp).oper[0]^)+','+getopstr(taicpu(hp).oper[1]^));
|
|
|
+ { FMOVs %f<odd>,%f<odd> }
|
|
|
+ inc(taicpu(hp).oper[0]^.reg);
|
|
|
+ inc(taicpu(hp).oper[1]^.reg);
|
|
|
+ owner.writer.AsmWriteln(#9+std_op2str[A_FMOVs]+#9+getopstr(taicpu(hp).oper[0]^)+','+getopstr(taicpu(hp).oper[1]^));
|
|
|
+ dec(taicpu(hp).oper[0]^.reg);
|
|
|
+ dec(taicpu(hp).oper[1]^.reg);
|
|
|
+ end;
|
|
|
+
|
|
|
+ var
|
|
|
+ Op:TAsmOp;
|
|
|
+ s:String;
|
|
|
+ i:Integer;
|
|
|
+ begin
|
|
|
+ if hp.typ<>ait_instruction then
|
|
|
+ exit;
|
|
|
+ op:=taicpu(hp).opcode;
|
|
|
+ if (op=A_Bxx) and (taicpu(hp).condition in floatAsmConds) then
|
|
|
+ op:=A_FBxx;
|
|
|
+ { translate pseudoops, this should be move to a separate pass later, so it's done before
|
|
|
+ peephole optimization }
|
|
|
+ case op of
|
|
|
+ A_FABSd:
|
|
|
+ writePseudoInstruction(A_FABSs);
|
|
|
+
|
|
|
+ A_FMOVd:
|
|
|
+ writePseudoInstruction(A_FMOVs);
|
|
|
+
|
|
|
+ A_FNEGd:
|
|
|
+ writePseudoInstruction(A_FNEGs);
|
|
|
+
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ { call maybe not translated to call }
|
|
|
+ s:=#9+std_op2str[op]+cond2str[taicpu(hp).condition];
|
|
|
+ if taicpu(hp).delayslot_annulled then
|
|
|
+ s:=s+',a';
|
|
|
+ if taicpu(hp).ops>0 then
|
|
|
+ begin
|
|
|
+ s:=s+#9+getopstr(taicpu(hp).oper[0]^);
|
|
|
+ for i:=1 to taicpu(hp).ops-1 do
|
|
|
+ s:=s+','+getopstr(taicpu(hp).oper[i]^);
|
|
|
+ end;
|
|
|
+ owner.writer.AsmWriteLn(s);
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+
|
|
|
+
|
|
|
+ const
|
|
|
+ as_sparc_as_info : tasminfo =
|
|
|
+ (
|
|
|
+ id : as_gas;
|
|
|
+ idtxt : 'AS';
|
|
|
+ asmbin : 'as';
|
|
|
+{$ifdef FPC_SPARC_V8_ONLY}
|
|
|
+ asmcmd : '$PIC -o $OBJ $EXTRAOPT $ASM';
|
|
|
+{$else}
|
|
|
+ asmcmd : '$ARCH $PIC -o $OBJ $EXTRAOPT $ASM';
|
|
|
+{$endif}
|
|
|
+ supported_targets : [system_sparc64_linux];
|
|
|
+ flags : [af_needar,af_smartlink_sections];
|
|
|
+ labelprefix : '.L';
|
|
|
+ comment : '# ';
|
|
|
+ dollarsign: '$';
|
|
|
+ );
|
|
|
+
|
|
|
+ as_sparc_gas_info : tasminfo =
|
|
|
+ (
|
|
|
+ id : as_ggas;
|
|
|
+ idtxt : 'GAS';
|
|
|
+ asmbin : 'gas';
|
|
|
+ asmcmd : '$ARCH $PIC -o $OBJ $EXTRAOPT $ASM';
|
|
|
+ supported_targets : [system_sparc64_linux];
|
|
|
+ flags : [af_needar,af_smartlink_sections];
|
|
|
+ labelprefix : '.L';
|
|
|
+ comment : '# ';
|
|
|
+ dollarsign: '$';
|
|
|
+ );
|
|
|
+
|
|
|
+begin
|
|
|
+ RegisterAssembler(as_SPARC_as_info,TGasSPARC);
|
|
|
+ RegisterAssembler(as_SPARC_gas_info,TGasSPARC);
|
|
|
+end.
|
florian