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@@ -0,0 +1,745 @@
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+{
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+ $Id$
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+ Copyright (c) 2002 by Florian Klaempfl
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+
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+ This unit implements an asmoutput class for PowerPC with MPW syntax
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+
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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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+
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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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+
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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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+}
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+{
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+ This unit implements an asmoutput class for PowerPC with MPW syntax
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+}
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+unit agppcmpwt;
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+
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+{$i fpcdefs.inc}
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+
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+interface
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+
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+ uses
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+ aasmbase,aasmtai,aasmcpu,assemble,
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+ cpubase;
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+
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+ const
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+ mpw_reg2str : treg2strtable = ('',
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+ 'r0','r1','r2','r3','r4','r5','r6','r7','r8','r9','r10','r11','r12','r13','r14','r15','r16',
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+ 'r17','r18','r19','r20','r21','r22','r23','r24','r25','r26','r27','r28','r29','r30','r31',
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+ 'f0','f1','f2','f3','f4','f5','f6','f7', 'f8','f9','f10','f11','f12',
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+ 'f13','f14','f15','f16','f17', 'f18','f19','f20','f21','f22', 'f23','f24',
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+ 'f25','f26','f27','f28','f29','f30','f31',
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+ 'v0','v1','v2','v3','v4','v5','v6','v7','v8','v9','v10','v11','v12',
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+ 'v13','v14','v15','v16','v17','v18','v19','v20','v21','v22', 'v23','v24',
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+ 'v25','v26','v27','v28','v29','v30','v31',
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+ 'cR','cr0','cr1','cr2','cr3','cr4','cr5','cr6','cr7',
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+ 'xer','lr','ctr','fpscr'
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+ );
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+ type
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+ TPPCMPWAssembler = class(TExternalAssembler)
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+ procedure WriteTree(p:TAAsmoutput);override;
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+ procedure WriteAsmList;override;
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+ Function DoAssemble:boolean;override;
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+ procedure WriteExternals;
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+ end;
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+
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+
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+ implementation
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+
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+ uses
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+{$ifdef delphi}
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+ sysutils,
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+{$endif}
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+ cutils,globtype,globals,systems,cclasses,
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+ verbose,finput,fmodule,script,cpuinfo
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+ ;
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+
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+ const
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+ line_length = 70;
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+
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+ function single2str(d : single) : string;
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+ var
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+ hs : string;
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+ p : byte;
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+ begin
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+ str(d,hs);
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+ { nasm expects a lowercase e }
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+ p:=pos('E',hs);
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+ if p>0 then
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+ hs[p]:='e';
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+ p:=pos('+',hs);
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+ if p>0 then
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+ delete(hs,p,1);
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+ single2str:=lower(hs);
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+ end;
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+
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+ function double2str(d : double) : string;
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+ var
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+ hs : string;
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+ p : byte;
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+ begin
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+ str(d,hs);
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+ { nasm expects a lowercase e }
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+ p:=pos('E',hs);
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+ if p>0 then
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+ hs[p]:='e';
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+ p:=pos('+',hs);
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+ if p>0 then
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+ delete(hs,p,1);
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+ double2str:=lower(hs);
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+ end;
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+
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+ function extended2str(e : extended) : string;
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+ var
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+ hs : string;
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+ p : byte;
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+ begin
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+ str(e,hs);
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+ { nasm expects a lowercase e }
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+ p:=pos('E',hs);
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+ if p>0 then
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+ hs[p]:='e';
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+ p:=pos('+',hs);
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+ if p>0 then
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+ delete(hs,p,1);
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+ extended2str:=lower(hs);
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+ end;
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+
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+
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+ function comp2str(d : bestreal) : string;
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+ type
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+ pdouble = ^double;
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+ var
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+ c : comp;
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+ dd : pdouble;
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+ begin
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+{$ifdef FPC}
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+ c:=comp(d);
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+{$else}
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+ c:=d;
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+{$endif}
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+ dd:=pdouble(@c); { this makes a bitwise copy of c into a double }
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+ comp2str:=double2str(dd^);
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+ end;
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+
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+ function getreferencestring(var ref : treference) : string;
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+ var
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+ s : string;
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+ first : boolean;
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+ begin
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+ getreferencestring:=s;
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+ end;
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+
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+
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+ function getopstr(const o:toper) : string;
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+ var
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+ hs : string;
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+ begin
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+ case o.typ of
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+ top_reg:
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+ getopstr:=mpw_reg2str[o.reg];
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+ { no top_ref jumping for powerpc }
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+ top_const:
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+ getopstr:=tostr(longint(o.val));
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+ top_ref:
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+ getopstr:=getreferencestring(o.ref^);
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+ top_symbol:
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+ begin
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+ hs:=o.sym.name;
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+ if o.symofs>0 then
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+ hs:=hs+'+'+tostr(o.symofs)
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+ else
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+ if o.symofs<0 then
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+ hs:=hs+tostr(o.symofs);
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+ getopstr:=hs;
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+ end;
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+ else
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+{$ifndef testing}
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+ internalerror(2002070604);
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+{$else testing}
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+ begin
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+ writeln('internalerror 10001');
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+ halt(1);
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+ end;
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+{$endif testing}
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+ end;
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+ end;
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+
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+
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+ function getopstr_jmp(const o:toper) : string;
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+ var
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+ hs : string;
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+ begin
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+ case o.typ of
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+ top_reg :
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+ getopstr_jmp:=mpw_reg2str[o.reg];
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+ { no top_ref jumping for powerpc }
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+ top_const :
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+ getopstr_jmp:=tostr(o.val);
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+ top_symbol :
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+ begin
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+ hs:=o.sym.name;
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+ if o.symofs>0 then
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+ hs:=hs+'+'+tostr(o.symofs)
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+ else
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+ if o.symofs<0 then
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+ hs:=hs+tostr(o.symofs);
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+ getopstr_jmp:=hs;
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+ end;
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+ else
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+{$ifndef testing}
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+ internalerror(2002070603);
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+{$else testing}
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+ begin
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+ writeln('internalerror 10001');
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+ halt(1);
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+ end;
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+{$endif testing}
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+ end;
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+ end;
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+
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+ function fixline(s:string):string;
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+ {
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+ return s with all leading and ending spaces and tabs removed
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+ }
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+ var
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+ i,j,k : longint;
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+ begin
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+ i:=length(s);
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+ while (i>0) and (s[i] in [#9,' ']) do
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+ dec(i);
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+ j:=1;
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+ while (j<i) and (s[j] in [#9,' ']) do
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+ inc(j);
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+ for k:=j to i do
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+ if s[k] in [#0..#31,#127..#255] then
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+ s[k]:='.';
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+ fixline:=Copy(s,j,i-j+1);
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+ end;
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+
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+
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+{****************************************************************************
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+ T386IntelAssembler
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+ ****************************************************************************}
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+
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+ var
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+ LasTSec : TSection;
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+ lastfileinfo : tfileposinfo;
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+ infile,
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+ lastinfile : tinputfile;
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+
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+ const
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+ ait_const2str:array[ait_const_32bit..ait_const_8bit] of string[8]=
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+ (#9'DD'#9,#9'DW'#9,#9'DB'#9);
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+
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+ Function PadTabs(const p:string;addch:char):string;
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+ var
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+ s : string;
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+ i : longint;
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+ begin
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+ i:=length(p);
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+ if addch<>#0 then
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+ begin
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+ inc(i);
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+ s:=p+addch;
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+ end
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+ else
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+ s:=p;
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+ if i<8 then
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+ PadTabs:=s+#9#9
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+ else
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+ PadTabs:=s+#9;
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+ end;
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+
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+ procedure TPPCMPWAssembler.WriteTree(p:TAAsmoutput);
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+ const
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+ nolinetai =[ait_label,
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+ ait_regalloc,ait_tempalloc,
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+{$ifdef GDB}
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+ ait_stabn,ait_stabs,ait_stab_function_name,
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+{$endif GDB}
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+ ait_cut,ait_marker,ait_align,ait_section];
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+ var
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+ s,
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+ prefix,
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+ suffix : string;
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+ hp : tai;
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+ counter,
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+ lines,
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+ InlineLevel : longint;
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+ i,j,l : longint;
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+ consttyp : taitype;
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+ found,
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+ do_line,DoNotSplitLine,
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+ quoted : boolean;
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+ sep : char;
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+ begin
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+ if not assigned(p) then
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+ exit;
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+ { lineinfo is only needed for codesegment (PFV) }
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+ do_line:=((cs_asm_source in aktglobalswitches) or
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+ (cs_lineinfo in aktmoduleswitches))
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+ and (p=codesegment);
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+ InlineLevel:=0;
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+ DoNotSplitLine:=false;
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+ hp:=tai(p.first);
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+ while assigned(hp) do
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+ begin
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+ if do_line and not(hp.typ in nolinetai) and
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+ not DoNotSplitLine then
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+ begin
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+ { load infile }
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+ if lastfileinfo.fileindex<>hp.fileinfo.fileindex then
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+ begin
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+ infile:=current_module.sourcefiles.get_file(hp.fileinfo.fileindex);
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+ if assigned(infile) then
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+ begin
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+ { open only if needed !! }
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+ if (cs_asm_source in aktglobalswitches) then
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+ infile.open;
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+ end;
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+ { avoid unnecessary reopens of the same file !! }
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+ lastfileinfo.fileindex:=hp.fileinfo.fileindex;
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+ { be sure to change line !! }
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+ lastfileinfo.line:=-1;
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+ end;
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+ { write source }
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+ if (cs_asm_source in aktglobalswitches) and
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+ assigned(infile) then
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+ begin
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+ if (infile<>lastinfile) then
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+ begin
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+ AsmWriteLn(target_asm.comment+'['+infile.name^+']');
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+ if assigned(lastinfile) then
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+ lastinfile.close;
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+ end;
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+ if (hp.fileinfo.line<>lastfileinfo.line) and
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+ ((hp.fileinfo.line<infile.maxlinebuf) or (InlineLevel>0)) then
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+ begin
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+ if (hp.fileinfo.line<>0) and
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+ ((infile.linebuf^[hp.fileinfo.line]>=0) or (InlineLevel>0)) then
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+ AsmWriteLn(target_asm.comment+'['+tostr(hp.fileinfo.line)+'] '+
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+ fixline(infile.GetLineStr(hp.fileinfo.line)));
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+ { set it to a negative value !
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+ to make that is has been read already !! PM }
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+ if (infile.linebuf^[hp.fileinfo.line]>=0) then
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+ infile.linebuf^[hp.fileinfo.line]:=-infile.linebuf^[hp.fileinfo.line]-1;
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+ end;
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+ end;
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+ lastfileinfo:=hp.fileinfo;
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+ lastinfile:=infile;
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+ end;
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+ DoNotSplitLine:=false;
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+ case hp.typ of
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+ ait_comment:
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+ begin
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+ AsmWrite(target_asm.comment);
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+ AsmWritePChar(tai_comment(hp).str);
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+ AsmLn;
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+ end;
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+ ait_regalloc,
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+ ait_tempalloc:
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+ ;
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+ ait_section:
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+ begin
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+ if LasTSec<>sec_none then
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+ AsmWriteLn('_'+target_asm.secnames[LasTSec]+#9#9'ENDS');
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+ if tai_section(hp).sec<>sec_none then
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+ begin
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+ AsmLn;
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+ AsmWriteLn('_'+target_asm.secnames[tai_section(hp).sec]+#9#9+
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+ 'SEGMENT'#9'PARA PUBLIC USE32 '''+
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+ target_asm.secnames[tai_section(hp).sec]+'''');
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+ end;
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+ LasTSec:=tai_section(hp).sec;
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+ end;
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+ ait_align:
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+ begin
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+ AsmWriteLn(#9'ALIGN '+tostr(tai_align(hp).aligntype));
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+ end;
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+ ait_datablock:
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+ begin
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+ if tai_datablock(hp).is_global then
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+ AsmWriteLn(#9'PUBLIC'#9+tai_datablock(hp).sym.name);
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+ AsmWriteLn(PadTabs(tai_datablock(hp).sym.name,#0)+'DB'#9+tostr(tai_datablock(hp).size)+' DUP(?)');
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+ end;
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+ ait_const_32bit,
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+ ait_const_8bit,
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+ ait_const_16bit : begin
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+ AsmWrite(ait_const2str[hp.typ]+tostr(tai_const(hp).value));
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+ consttyp:=hp.typ;
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+ l:=0;
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+ repeat
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+ found:=(not (tai(hp.next)=nil)) and (tai(hp.next).typ=consttyp);
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+ if found then
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+ begin
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+ hp:=tai(hp.next);
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+ s:=','+tostr(tai_const(hp).value);
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+ AsmWrite(s);
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+ inc(l,length(s));
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+ end;
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+ until (not found) or (l>line_length);
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+ AsmLn;
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+ end;
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+ ait_const_symbol : begin
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+ AsmWriteLn(#9#9'DD'#9'offset '+tai_const_symbol(hp).sym.name);
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+ if tai_const_symbol(hp).offset>0 then
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+ AsmWrite('+'+tostr(tai_const_symbol(hp).offset))
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+ else if tai_const_symbol(hp).offset<0 then
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+ AsmWrite(tostr(tai_const_symbol(hp).offset));
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+ AsmLn;
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+ end;
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+ ait_const_rva : begin
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+ AsmWriteLn(#9#9'RVA'#9+tai_const_symbol(hp).sym.name);
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+ end;
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+ ait_real_32bit : AsmWriteLn(#9#9'DD'#9+single2str(tai_real_32bit(hp).value));
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+ ait_real_64bit : AsmWriteLn(#9#9'DQ'#9+double2str(tai_real_64bit(hp).value));
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+ ait_real_80bit : AsmWriteLn(#9#9'DT'#9+extended2str(tai_real_80bit(hp).value));
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+ ait_comp_64bit : AsmWriteLn(#9#9'DQ'#9+comp2str(tai_real_80bit(hp).value));
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|
|
+ 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 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);
|
|
|
+ counter := counter+line_length;
|
|
|
+ end; { end for j:=0 ... }
|
|
|
+ { do last line of lines }
|
|
|
+ AsmWrite(#9#9'DB'#9);
|
|
|
+ quoted:=false;
|
|
|
+ for i:=counter to tai_string(hp).len-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 " }
|
|
|
+ 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
|
|
|
+ begin
|
|
|
+ AsmWrite(tai_label(hp).l.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(':')
|
|
|
+ else
|
|
|
+ DoNotSplitLine:=true;
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ ait_direct : begin
|
|
|
+ AsmWritePChar(tai_direct(hp).str);
|
|
|
+ AsmLn;
|
|
|
+ end;
|
|
|
+ ait_symbol : begin
|
|
|
+ if tai_symbol(hp).is_global then
|
|
|
+ AsmWriteLn(#9'PUBLIC'#9+tai_symbol(hp).sym.name);
|
|
|
+ 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 : begin
|
|
|
+ end;
|
|
|
+ ait_instruction : begin
|
|
|
+{!!!!
|
|
|
+ { Must be done with args in ATT order }
|
|
|
+ taicpu(hp).SetOperandOrder(op_att);
|
|
|
+ taicpu(hp).CheckNonCommutativeOpcodes;
|
|
|
+ { We need intel order, no At&t }
|
|
|
+ taicpu(hp).SetOperandOrder(op_intel);
|
|
|
+ { Reset }
|
|
|
+ suffix:='';
|
|
|
+ prefix:= '';
|
|
|
+ s:='';
|
|
|
+ { 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
|
|
|
+ ((taicpu(hp).oper[0].reg>=firstsreg) and
|
|
|
+ (taicpu(hp).oper[0].reg<=lastsreg)) then
|
|
|
+ AsmWriteln(#9#9'DB'#9'066h');
|
|
|
+ { added prefix instructions, must be on same line as opcode }
|
|
|
+ if (taicpu(hp).ops = 0) and
|
|
|
+ ((taicpu(hp).opcode = A_REP) or
|
|
|
+ (taicpu(hp).opcode = A_LOCK) or
|
|
|
+ (taicpu(hp).opcode = A_REPE) or
|
|
|
+ (taicpu(hp).opcode = A_REPNZ) or
|
|
|
+ (taicpu(hp).opcode = A_REPZ) or
|
|
|
+ (taicpu(hp).opcode = A_REPNE)) then
|
|
|
+ Begin
|
|
|
+ prefix:=std_op2str[taicpu(hp).opcode]+#9;
|
|
|
+ hp:=tai(hp.next);
|
|
|
+ { this is theorically impossible... }
|
|
|
+ if hp=nil then
|
|
|
+ begin
|
|
|
+ s:=#9#9+prefix;
|
|
|
+ AsmWriteLn(s);
|
|
|
+ break;
|
|
|
+ end;
|
|
|
+ { nasm prefers prefix on a line alone
|
|
|
+ AsmWriteln(#9#9+prefix); but not masm PM
|
|
|
+ prefix:=''; }
|
|
|
+ if (aktoutputformat = as_i386_masm) then
|
|
|
+ begin
|
|
|
+ AsmWriteln(s);
|
|
|
+ prefix:='';
|
|
|
+ end;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ prefix:= '';
|
|
|
+ if taicpu(hp).ops<>0 then
|
|
|
+ begin
|
|
|
+ if is_calljmp(taicpu(hp).opcode) then
|
|
|
+ s:=#9+getopstr_jmp(taicpu(hp).oper[0],taicpu(hp).opsize)
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ for i:=0to taicpu(hp).ops-1 do
|
|
|
+ begin
|
|
|
+ if i=0 then
|
|
|
+ sep:=#9
|
|
|
+ else
|
|
|
+ sep:=',';
|
|
|
+ s:=s+sep+getopstr(taicpu(hp).oper[i],taicpu(hp).opsize,taicpu(hp).opcode,(i=2));
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ AsmWriteLn(#9#9+prefix+std_op2str[taicpu(hp).opcode]+cond2str[taicpu(hp).condition]+suffix+s);
|
|
|
+}
|
|
|
+ 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
|
|
|
+ if LasTSec<>sec_none then
|
|
|
+ AsmWriteLn('_'+target_asm.secnames[LasTSec]+#9#9'ENDS');
|
|
|
+ AsmLn;
|
|
|
+ AsmWriteLn(#9'END');
|
|
|
+ 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
|
|
|
+ begin
|
|
|
+ lasTSec:=tai_section(hp.next).sec;
|
|
|
+ end;
|
|
|
+ hp:=tai(hp.next);
|
|
|
+ end;
|
|
|
+ AsmWriteLn(#9'.386p');
|
|
|
+ AsmWriteLn('DGROUP'#9'GROUP'#9'_BSS,_DATA');
|
|
|
+ AsmWriteLn(#9'ASSUME'#9'CS:_CODE,ES:DGROUP,DS:DGROUP,SS:DGROUP');
|
|
|
+ { I was told that this isn't necesarry because }
|
|
|
+ { the labels generated by FPC are unique (FK) }
|
|
|
+ { AsmWriteLn(#9'LOCALS '+target_asm.labelprefix); }
|
|
|
+ if lasTSec<>sec_none then
|
|
|
+ AsmWriteLn('_'+target_asm.secnames[lasTSec]+#9#9+
|
|
|
+ 'SEGMENT'#9'PARA PUBLIC USE32 '''+
|
|
|
+ target_asm.secnames[lasTSec]+'''');
|
|
|
+ AsmStartSize:=AsmSize;
|
|
|
+ end;
|
|
|
+ ait_marker :
|
|
|
+ begin
|
|
|
+ if tai_marker(hp).kind=InlineStart then
|
|
|
+ inc(InlineLevel)
|
|
|
+ else if tai_marker(hp).kind=InlineEnd then
|
|
|
+ dec(InlineLevel);
|
|
|
+ end;
|
|
|
+ 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(#9'EXTRN'#9+p.name);
|
|
|
+ end;
|
|
|
+
|
|
|
+ procedure TPPCMPWAssembler.WriteExternals;
|
|
|
+ begin
|
|
|
+ currentasmlist:=self;
|
|
|
+ objectlibrary.symbolsearch.foreach_static({$ifdef fpcprocvar}@{$endif}writeexternal,nil);
|
|
|
+ end;
|
|
|
+
|
|
|
+
|
|
|
+ function TPPCMPWAssembler.DoAssemble : boolean;
|
|
|
+ var f : file;
|
|
|
+ begin
|
|
|
+ DoAssemble:=Inherited DoAssemble;
|
|
|
+ { masm does not seem to recognize specific extensions and uses .obj allways PM }
|
|
|
+ if (aktoutputformat = as_i386_masm) then
|
|
|
+ begin
|
|
|
+ if not(cs_asm_extern in aktglobalswitches) then
|
|
|
+ begin
|
|
|
+ if Not FileExists(objfile) and
|
|
|
+ FileExists(ForceExtension(objfile,'.obj')) then
|
|
|
+ begin
|
|
|
+ Assign(F,ForceExtension(objfile,'.obj'));
|
|
|
+ Rename(F,objfile);
|
|
|
+ end;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ AsmRes.AddAsmCommand('mv',ForceExtension(objfile,'.obj')+' '+objfile,objfile);
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+
|
|
|
+
|
|
|
+ procedure TPPCMPWAssembler.WriteAsmList;
|
|
|
+ begin
|
|
|
+{$ifdef EXTDEBUG}
|
|
|
+ if assigned(current_module.mainsource) then
|
|
|
+ comment(v_info,'Start writingMPW-styled assembler output for '+current_module.mainsource^);
|
|
|
+{$endif}
|
|
|
+ LasTSec:=sec_none;
|
|
|
+ AsmWriteLn(#9'.386p');
|
|
|
+ { masm 6.11 does not seem to like LOCALS PM }
|
|
|
+ if (aktoutputformat = as_i386_tasm) then
|
|
|
+ begin
|
|
|
+ AsmWriteLn(#9'LOCALS '+target_asm.labelprefix);
|
|
|
+ end;
|
|
|
+ AsmWriteLn('DGROUP'#9'GROUP'#9'_BSS,_DATA');
|
|
|
+ AsmWriteLn(#9'ASSUME'#9'CS:_CODE,ES:DGROUP,DS:DGROUP,SS:DGROUP');
|
|
|
+ AsmLn;
|
|
|
+
|
|
|
+ WriteExternals;
|
|
|
+
|
|
|
+ { INTEL ASM doesn't support stabs
|
|
|
+ WriteTree(debuglist);}
|
|
|
+
|
|
|
+ WriteTree(codesegment);
|
|
|
+ WriteTree(datasegment);
|
|
|
+ WriteTree(consts);
|
|
|
+ WriteTree(rttilist);
|
|
|
+ WriteTree(resourcestringlist);
|
|
|
+ WriteTree(bsssegment);
|
|
|
+
|
|
|
+ AsmWriteLn(#9'END');
|
|
|
+ AsmLn;
|
|
|
+
|
|
|
+{$ifdef EXTDEBUG}
|
|
|
+ if assigned(current_module.mainsource) then
|
|
|
+ comment(v_info,'Done writing MPW-styled assembler output for '+current_module.mainsource^);
|
|
|
+{$endif EXTDEBUG}
|
|
|
+ end;
|
|
|
+
|
|
|
+{*****************************************************************************
|
|
|
+ Initialize
|
|
|
+*****************************************************************************}
|
|
|
+
|
|
|
+ const
|
|
|
+ as_powerpc_mpw_info : tasminfo =
|
|
|
+ (
|
|
|
+ id : as_powerpc_mpw;
|
|
|
+ idtxt : 'MPW';
|
|
|
+ asmbin : 'ppcasm';
|
|
|
+ asmcmd : '';
|
|
|
+ supported_target : system_any; { what should I write here ?? }
|
|
|
+ outputbinary: false;
|
|
|
+ allowdirect : true;
|
|
|
+ needar : true;
|
|
|
+ labelprefix_only_inside_procedure : true;
|
|
|
+ labelprefix : '@@';
|
|
|
+ comment : '; ';
|
|
|
+ secnames : ('',
|
|
|
+ 'CODE','DATA','BSS',
|
|
|
+ '','','','','','',
|
|
|
+ '','','')
|
|
|
+ );
|
|
|
+
|
|
|
+initialization
|
|
|
+ RegisterAssembler(as_powerpc_mpw_info,TPPCMPWAssembler);
|
|
|
+end.
|
|
|
+{
|
|
|
+ $Log$
|
|
|
+ Revision 1.1 2002-08-20 21:40:44 florian
|
|
|
+ + target macos for ppc added
|
|
|
+ + frame work for mpw assembler output
|
|
|
+}
|
florian