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{
Copyright (c) 2016 by the Free Pascal development team
This unit is the VASM assembler writer for PowerPC
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 agppcvasm;
{$i fpcdefs.inc}
interface
uses
aasmbase,systems,
aasmtai,aasmdata,
assemble,aggas,agppcgas,
cpubase,cgutils,
globtype;
type
tppcvasm = class(TPPCGNUassembler)
protected
function sectionattrs(atype:TAsmSectiontype):string; override;
public
constructor CreateWithWriter(info: pasminfo; wr: TExternalAssemblerOutputFile; freewriter, smart: boolean); override;
function MakeCmdLine: TCmdStr; override;
procedure WriteExtraHeader; override;
end;
implementation
uses
cutils,cfileutl,globals,verbose,
cgbase,
cscript,
itcpugas,cpuinfo,
aasmcpu;
{****************************************************************************}
{ VASM PPC Assembler writer }
{****************************************************************************}
constructor tppcvasm.CreateWithWriter(info: pasminfo; wr: TExternalAssemblerOutputFile; freewriter, smart: boolean);
begin
inherited;
InstrWriter := TPPCInstrWriter.create(self);
end;
function tppcvasm.sectionattrs(atype:TAsmSectiontype):string;
begin
case atype of
sec_code, sec_fpc, sec_init, sec_fini:
result:='acrx';
sec_data:
result:='adrw';
sec_rodata, sec_rodata_norel:
result:='adr';
sec_bss, sec_threadvar:
result:='aurw';
sec_stab, sec_stabstr:
result:='dr';
else
result:='';
end;
end;
function tppcvasm.MakeCmdLine: TCmdStr;
var
objtype: string;
begin
result:=asminfo^.asmcmd;
objtype:='-Felf';
if (target_info.system in [system_powerpc_amiga, system_powerpc_morphos]) then
begin
Replace(result,'$ASM',maybequoted(ScriptFixFileName(Unix2AmigaPath(AsmFileName))));
Replace(result,'$OBJ',maybequoted(ScriptFixFileName(Unix2AmigaPath(ObjFileName))));
end
else
begin
Replace(result,'$ASM',maybequoted(ScriptFixFileName(AsmFileName)));
Replace(result,'$OBJ',maybequoted(ScriptFixFileName(ObjFileName)));
end;
Replace(result,'$OTYPE',objtype);
Replace(result,'$EXTRAOPT',asmextraopt);
end;
procedure tppcvasm.WriteExtraHeader;
begin
{ no-op, compared to the PPC GAS writer, because vasm defines
the register symbols by default, so lets not redefine them }
end;
{*****************************************************************************
Initialize
*****************************************************************************}
const
as_powerpc_vasm_info : tasminfo =
(
id : as_powerpc_vasm;
idtxt : 'VASM';
asmbin : 'vasmppc_std';
asmcmd: '-quiet $OTYPE -o $OBJ $EXTRAOPT $ASM';
supported_targets : [system_powerpc_amiga,system_powerpc_morphos,system_powerpc_linux];
flags : [af_needar,af_smartlink_sections];
labelprefix : '.L';
labelmaxlen : -1;
comment : '# ';
dollarsign: '$';
);
begin
RegisterAssembler(as_powerpc_vasm_info,tppcvasm);
end.
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