diff --git a/compiler/powerpc/agppcmpw.pas b/compiler/powerpc/agppcmpw.pas index b05101dff1..1846e22f9c 100644 --- a/compiler/powerpc/agppcmpw.pas +++ b/compiler/powerpc/agppcmpw.pas @@ -1,748 +1 @@ -{ - $Id$ - Copyright (c) 2002 by Florian Klaempfl - - This unit implements an asmoutput class for PowerPC with MPW 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. - - **************************************************************************** -} -{ - This unit implements an asmoutput class for PowerPC with MPW syntax -} -unit agppcmpw; - -{$i fpcdefs.inc} - -interface - - uses - aasmbase,aasmtai,aasmcpu,assemble, - cpubase; - - const - mpw_reg2str : treg2strtable = ('', - 'r0','r1','r2','r3','r4','r5','r6','r7','r8','r9','r10','r11','r12','r13','r14','r15','r16', - 'r17','r18','r19','r20','r21','r22','r23','r24','r25','r26','r27','r28','r29','r30','r31', - 'f0','f1','f2','f3','f4','f5','f6','f7', 'f8','f9','f10','f11','f12', - 'f13','f14','f15','f16','f17', 'f18','f19','f20','f21','f22', 'f23','f24', - 'f25','f26','f27','f28','f29','f30','f31', - 'v0','v1','v2','v3','v4','v5','v6','v7','v8','v9','v10','v11','v12', - 'v13','v14','v15','v16','v17','v18','v19','v20','v21','v22', 'v23','v24', - 'v25','v26','v27','v28','v29','v30','v31', - 'cR','cr0','cr1','cr2','cr3','cr4','cr5','cr6','cr7', - 'xer','lr','ctr','fpscr' - ); - type - TPPCMPWAssembler = class(TExternalAssembler) - procedure WriteTree(p:TAAsmoutput);override; - procedure WriteAsmList;override; - Function DoAssemble:boolean;override; - procedure WriteExternals; - end; - - - implementation - - uses -{$ifdef delphi} - sysutils, -{$endif} - cutils,globtype,globals,systems,cclasses, - verbose,finput,fmodule,script,cpuinfo - ; - - const - line_length = 70; - - function single2str(d : single) : string; - var - hs : string; - p : byte; - begin - str(d,hs); - { nasm expects a lowercase e } - p:=pos('E',hs); - if p>0 then - hs[p]:='e'; - p:=pos('+',hs); - if p>0 then - delete(hs,p,1); - single2str:=lower(hs); - end; - - function double2str(d : double) : string; - var - hs : string; - p : byte; - begin - str(d,hs); - { nasm expects a lowercase e } - p:=pos('E',hs); - if p>0 then - hs[p]:='e'; - p:=pos('+',hs); - if p>0 then - delete(hs,p,1); - double2str:=lower(hs); - end; - - function extended2str(e : extended) : string; - var - hs : string; - p : byte; - begin - str(e,hs); - { nasm expects a lowercase e } - p:=pos('E',hs); - if p>0 then - hs[p]:='e'; - p:=pos('+',hs); - if p>0 then - delete(hs,p,1); - extended2str:=lower(hs); - end; - - - function comp2str(d : bestreal) : string; - type - pdouble = ^double; - var - c : comp; - dd : pdouble; - begin -{$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 getreferencestring(var ref : treference) : string; - var - s : string; - first : boolean; - begin - getreferencestring:=s; - end; - - - function getopstr(const o:toper) : string; - var - hs : string; - begin - case o.typ of - top_reg: - getopstr:=mpw_reg2str[o.reg]; - { no top_ref jumping for powerpc } - top_const: - getopstr:=tostr(longint(o.val)); - top_ref: - getopstr:=getreferencestring(o.ref^); - top_symbol: - begin - hs:=o.sym.name; - if o.symofs>0 then - hs:=hs+'+'+tostr(o.symofs) - else - if o.symofs<0 then - hs:=hs+tostr(o.symofs); - getopstr:=hs; - end; - else -{$ifndef testing} - internalerror(2002070604); -{$else testing} - begin - writeln('internalerror 10001'); - halt(1); - end; -{$endif testing} - end; - end; - - - function getopstr_jmp(const o:toper) : string; - var - hs : string; - begin - case o.typ of - top_reg : - getopstr_jmp:=mpw_reg2str[o.reg]; - { no top_ref jumping for powerpc } - top_const : - getopstr_jmp:=tostr(o.val); - top_symbol : - begin - hs:=o.sym.name; - if o.symofs>0 then - hs:=hs+'+'+tostr(o.symofs) - else - if o.symofs<0 then - hs:=hs+tostr(o.symofs); - getopstr_jmp:=hs; - end; - else -{$ifndef testing} - internalerror(2002070603); -{$else testing} - begin - writeln('internalerror 10001'); - halt(1); - end; -{$endif testing} - end; - 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 (j#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; - - procedure TPPCMPWAssembler.WriteTree(p:TAAsmoutput); - const - nolinetai =[ait_label, - ait_regalloc,ait_tempalloc, -{$ifdef GDB} - ait_stabn,ait_stabs,ait_stab_function_name, -{$endif GDB} - ait_cut,ait_marker,ait_align,ait_section]; - var - s, - prefix, - suffix : string; - hp : tai; - counter, - lines, - InlineLevel : longint; - i,j,l : longint; - consttyp : taitype; - found, - do_line,DoNotSplitLine, - quoted : boolean; - sep : char; - begin - if not assigned(p) then - exit; - { lineinfo is only needed for codesegment (PFV) } - do_line:=((cs_asm_source in aktglobalswitches) or - (cs_lineinfo in aktmoduleswitches)) - and (p=codesegment); - InlineLevel:=0; - DoNotSplitLine:=false; - hp:=tai(p.first); - while assigned(hp) do - begin - if do_line and not(hp.typ in nolinetai) and - not DoNotSplitLine then - begin - { load infile } - if lastfileinfo.fileindex<>hp.fileinfo.fileindex then - begin - infile:=current_module.sourcefiles.get_file(hp.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:=hp.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 (hp.fileinfo.line<>lastfileinfo.line) and - ((hp.fileinfo.line0)) then - begin - if (hp.fileinfo.line<>0) and - ((infile.linebuf^[hp.fileinfo.line]>=0) or (InlineLevel>0)) then - AsmWriteLn(target_asm.comment+'['+tostr(hp.fileinfo.line)+'] '+ - fixline(infile.GetLineStr(hp.fileinfo.line))); - { set it to a negative value ! - to make that is has been read already !! PM } - if (infile.linebuf^[hp.fileinfo.line]>=0) then - infile.linebuf^[hp.fileinfo.line]:=-infile.linebuf^[hp.fileinfo.line]-1; - end; - end; - lastfileinfo:=hp.fileinfo; - lastinfile:=infile; - end; - DoNotSplitLine:=false; - case hp.typ of - ait_comment: - begin - AsmWrite(target_asm.comment); - AsmWritePChar(tai_comment(hp).str); - AsmLn; - end; - ait_regalloc, - ait_tempalloc: - ; - ait_section: - begin - if LasTSec<>sec_none then - AsmWriteLn('_'+target_asm.secnames[LasTSec]+#9#9'ENDS'); - if tai_section(hp).sec<>sec_none then - begin - AsmLn; - AsmWriteLn('_'+target_asm.secnames[tai_section(hp).sec]+#9#9+ - 'SEGMENT'#9'PARA PUBLIC USE32 '''+ - target_asm.secnames[tai_section(hp).sec]+''''); - end; - LasTSec:=tai_section(hp).sec; - end; - ait_align: - begin - AsmWriteLn(#9'ALIGN '+tostr(tai_align(hp).aligntype)); - end; - ait_datablock: - begin - if tai_datablock(hp).is_global then - AsmWriteLn(#9'PUBLIC'#9+tai_datablock(hp).sym.name); - AsmWriteLn(PadTabs(tai_datablock(hp).sym.name,#0)+'DB'#9+tostr(tai_datablock(hp).size)+' DUP(?)'); - end; - ait_const_32bit, - ait_const_8bit, - ait_const_16bit : 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 - AsmWriteLn(#9#9'DD'#9'offset '+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 - AsmWriteLn(#9#9'RVA'#9+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 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 1.2 2002-08-31 12:43:31 florian - * ppc compilation fixed - - Revision 1.1 2002/08/20 21:40:44 florian - + target macos for ppc added - + frame work for mpw assembler output -} +{ $Id$ Copyright (c) 2002 by Florian Klaempfl This unit implements an asmoutput class for PowerPC with MPW 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. **************************************************************************** } { This unit implements an asmoutput class for PowerPC with MPW syntax } unit agppcmpw; {$i fpcdefs.inc} interface uses aasmbase,aasmtai,aasmcpu,assemble, cpubase; const mpw_reg2str : treg2strtable = ('', 'r0','r1','r2','r3','r4','r5','r6','r7','r8','r9','r10','r11','r12','r13','r14','r15','r16', 'r17','r18','r19','r20','r21','r22','r23','r24','r25','r26','r27','r28','r29','r30','r31', 'f0','f1','f2','f3','f4','f5','f6','f7', 'f8','f9','f10','f11','f12', 'f13','f14','f15','f16','f17', 'f18','f19','f20','f21','f22', 'f23','f24', 'f25','f26','f27','f28','f29','f30','f31', 'v0','v1','v2','v3','v4','v5','v6','v7','v8','v9','v10','v11','v12', 'v13','v14','v15','v16','v17','v18','v19','v20','v21','v22', 'v23','v24', 'v25','v26','v27','v28','v29','v30','v31', 'cR','cr0','cr1','cr2','cr3','cr4','cr5','cr6','cr7', 'xer','lr','ctr','fpscr' ); type TPPCMPWAssembler = class(TExternalAssembler) procedure WriteTree(p:TAAsmoutput);override; procedure WriteAsmList;override; Function DoAssemble:boolean;override; procedure WriteExternals; procedure WriteAsmFileHeader; end; implementation uses {$ifdef delphi} sysutils, {$endif} cutils,globtype,globals,systems,cclasses, verbose,finput,fmodule,script,cpuinfo ; const line_length = 70; function ReplaceForbiddenChars(var s: string):Boolean; {Returns wheater a replacement has occured.} var i:Integer; {The dollar sign is not allowed in MPW PPCAsm} begin ReplaceForbiddenChars:=false; for i:=1 to Length(s) do if s[i]='$' then begin s[i]:='s'; ReplaceForbiddenChars:=true; end; end; const {*** From here is copyed from agppcgas.pp, except where marked with CHANGED. Perhaps put in a third common file. ***} op2str : array[tasmop] of string[14] = ('', 'add','add.','addo','addo.','addc','addc.','addco','addco.', 'adde','adde.','addeo','addeo.','addi','addic','addic.','addis', 'addme','addme.','addmeo','addmeo.','addze','addze.','addzeo', 'addzeo.','and','and.','andc','andc.','andi.','andis.','b', 'ba','bl','bla','bc','bca','bcl','bcla','bcctr','bcctrl','bclr', 'bclrl','cmp','cmpi','cmpl','cmpli','cntlzw','cntlzw.','crand', 'crandc','creqv','crnand','crnor','cror','crorc','crxor','dcba', 'dcbf','dcbi','dcbst','dcbt','divw','divw.','divwo','divwo.', 'divwu','divwu.','divwuo','divwuo.','eciwx','ecowx','eieio','eqv', 'eqv.','extsb','extsb.','extsh','extsh.','fabs','fabs.','fadd', 'fadd.','fadds','fadds.','fcmpo','fcmpu','fctiw','fctw.','fctwz', 'fctwz.','fdiv','fdiv.','fdivs','fdivs.','fmadd','fmadd.','fmadds', 'fmadds.','fmr','fmsub','fmsub.','fmsubs','fmsubs.','fmul','fmul.', 'fmuls','fmuls.','fnabs','fnabs.','fneg','fneg.','fnmadd', 'fnmadd.','fnmadds','fnmadds.','fnmsub','fnmsub.','fnmsubs', 'fnmsubs.','fres','fres.','frsp','frsp.','frsqrte','frsqrte.', 'fsel','fsel.','fsqrt','fsqrt.','fsqrts','fsqrts.','fsub','fsub.', 'fsubs','fsubs.','icbi','isync','lbz','lbzu','lbzux','lbzx', 'lfd','lfdu','lfdux','lfdx','lfs','lfsu','lfsux','lfsx','lha', 'lhau','lhaux','lhax','hbrx','lhz','lhzu','lhzux','lhzx','lmw', 'lswi','lswx','lwarx','lwbrx','lwz','lwzu','lwzux','lwzx','mcrf', 'mcrfs','mcrxr','lcrxe','mfcr','mffs','maffs.','mfmsr','mfspr','mfsr', 'mfsrin','mftb','mtfcrf','mtfd0','mtfsb1','mtfsf','mtfsf.', 'mtfsfi','mtfsfi.','mtmsr','mtspr','mtsr','mtsrin','mulhw', 'mulhw.','mulhwu','mulhwu.','mulli','mullw','mullw.','mullwo', 'mullwo.','nand','nand.','neg','neg.','nego','nego.','nor','nor.', 'or','or.','orc','orc.','ori','oris', 'rfi', 'rlwimi', 'rlwimi.', 'rlwinm', 'rlwinm.','rlwnm','sc','slw', 'slw.', 'sraw', 'sraw.', 'srawi', 'srawi.','srw', 'srw.', 'stb', 'stbu', 'stbux','stbx','stfd', 'stfdu', 'stfdux', 'stfdx', 'stfiwx', 'stfs', 'stfsu', 'stfsux', 'stfsx', 'sth', 'sthbrx', 'sthu', 'sthux', 'sthx', 'stmw', 'stswi', 'stswx', 'stw', 'stwbrx', 'stwx.', 'stwu', 'stwux', 'stwx', 'subf', 'subf.', 'subfo', 'subfo.', 'subfc', 'subc.', 'subfco', 'subfco.', 'subfe', 'subfe.', 'subfeo', 'subfeo.', 'subfic', 'subfme', 'subfme.', 'subfmeo', 'subfmeo.', 'subfze', 'subfze.', 'subfzeo', 'subfzeo.', 'sync', 'tlbia', 'tlbie', 'tlbsync', 'tw', 'twi', 'xor', 'xor.', 'xori', 'xoris', { some simplified mnemonics } 'subi', 'subis', 'subic', 'subic.', 'sub', 'sub.', 'subo', 'subo.', 'subc', 'subc.', 'subco', 'subco.', 'cmpwi', 'cmpw', 'cmplwi', 'cmplw', 'extlwi', 'extlwi.', 'extrwi', 'extrwi.', 'inslwi', 'inslwi.', 'insrwi', 'insrwi.', 'rotlwi', 'rotlwi.', 'rotlw', 'rotlw.', 'slwi', 'slwi.', 'srwi', 'srwi.', 'clrlwi', 'clrlwi.', 'clrrwi', 'clrrwi.', 'clrslwi', 'clrslwi.', 'blr', 'bctr', 'blrl', 'bctrl', 'crset', 'crclr', 'crmove', 'crnot', 'mt', 'mf','nop', 'li', 'lis', 'la', 'mr','mr.','not', 'mtcr', 'mtlr', 'mflr', 'mtctr', 'mfctr'); symaddr2str: array[trefsymaddr] of string[3] = ('','@ha','@l'); function getreferencestring(var ref : treference) : string; var s : string; begin with ref do begin inc(offset,offsetfixup); if ((offset < -32768) or (offset > 32767)) and (symaddr = refs_full) then internalerror(19991); if (symaddr = refs_full) then s := '' else if not assigned(symbol) then s := '(' else begin {s:='('+symbol.name; CHANGED from this to: } s:= symbol.name; ReplaceForbiddenChars(s); s:='('+s; end; if offset<0 then s:=s+tostr(offset) else if (offset>0) then begin if assigned(symbol) then s:=s+'+'+tostr(offset) else s:=s+tostr(offset); end; if (symaddr <> refs_full) then s := s+')'+symaddr2str[symaddr]; if (index=R_NO) and (base<>R_NO) then begin if offset=0 then begin if assigned(symbol) then s:=s+'+0' else s:=s+'0'; end; s:=s+'('+mpw_reg2str[base]+')' end else if (index<>R_NO) and (base<>R_NO) and (offset=0) then s:=s+mpw_reg2str[base]+','+mpw_reg2str[index] else if ((index<>R_NO) or (base<>R_NO)) then internalerror(19992); end; getreferencestring:=s; end; function getopstr_jmp(const o:toper) : string; var hs : string; begin case o.typ of top_reg : getopstr_jmp:=mpw_reg2str[o.reg]; { no top_ref jumping for powerpc } top_const : getopstr_jmp:=tostr(o.val); top_symbol : begin hs:=o.sym.name; ReplaceForbiddenChars(hs); if o.symofs>0 then hs:=hs+'+'+tostr(o.symofs) else if o.symofs<0 then hs:=hs+tostr(o.symofs); getopstr_jmp:=hs; end; top_none: getopstr_jmp:=''; else {$ifndef testing} internalerror(2002070603); {$else testing} begin writeln('internalerror 10001'); halt(1); end; {$endif testing} end; end; function getopstr(const o:toper) : string; var hs : string; begin case o.typ of top_reg: getopstr:=mpw_reg2str[o.reg]; { no top_ref jumping for powerpc } top_const: getopstr:=tostr(longint(o.val)); top_ref: getopstr:=getreferencestring(o.ref^); top_symbol: begin hs:=o.sym.name; ReplaceForbiddenChars(hs); if o.symofs>0 then hs:=hs+'+'+tostr(o.symofs) else if o.symofs<0 then hs:=hs+tostr(o.symofs); getopstr:=hs; end; else {$ifndef testing} internalerror(2002070604); {$else testing} begin writeln('internalerror 10001'); halt(1); end; {$endif testing} end; end; function branchmode(o: tasmop): string[4]; var tempstr: string[4]; begin tempstr := ''; case o of A_BCCTR,A_BCCTRL: tempstr := 'ctr'; A_BCLR,A_BCLRL: tempstr := 'lr'; end; case o of A_BL,A_BLA,A_BCL,A_BCLA,A_BCCTRL,A_BCLRL: tempstr := tempstr+'l'; end; case o of A_BA,A_BLA,A_BCA,A_BCLA: tempstr:=tempstr+'a'; end; branchmode := tempstr; end; function cond2str(op: tasmop; c: tasmcond): string; { note: no checking is performed whether the given combination of } { conditions is valid } var tempstr: string; begin tempstr:=#9; case c.simple of false: cond2str := tempstr+op2str[op]+#9+tostr(c.bo)+','+ tostr(c.bi); true: if (op >= A_B) and (op <= A_BCLRL) then case c.cond of { unconditional branch } C_NONE: cond2str := tempstr+op2str[op]; { bdnzt etc } else begin tempstr := tempstr+'b'+asmcondflag2str[c.cond]+ branchmode(op)+#9; case c.cond of C_LT..C_NU: cond2str := tempstr+mpw_reg2str[c.cr]; C_T..C_DZF: cond2str := tempstr+tostr(c.crbit); end; end; end { we have a trap instruction } else begin internalerror(2002070601); { not yet implemented !!!!!!!!!!!!!!!!!!!!! } { case tempstr := 'tw';} end; end; end; Function GetInstruction(hp : tai):string; {CHANGED from methot to proc} var op: TAsmOp; s: string; i: byte; sep: string[3]; begin op:=taicpu(hp).opcode; if is_calljmp(op) then begin { direct BO/BI in op[0] and op[1] not supported, put them in condition! } case op of A_B,A_BA,A_BL,A_BLA: s:=#9+op2str[op]+#9 else s:=cond2str(op,taicpu(hp).condition)+','; end; s:=s+getopstr_jmp(taicpu(hp).oper[0]); end else { process operands } begin s:=#9+op2str[op]; if taicpu(hp).ops<>0 then begin { if not is_calljmp(op) then sep:=',' else } sep:=#9; for i:=0 to taicpu(hp).ops-1 do begin s:=s+sep+getopstr(taicpu(hp).oper[i]); sep:=','; end; end; end; GetInstruction:= s end; {*** Until here is copyed from agppcgas.pp. ***} function single2str(d : single) : 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); 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 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 (j#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; procedure TPPCMPWAssembler.WriteTree(p:TAAsmoutput); const nolinetai =[ait_label, ait_regalloc,ait_tempalloc, {$ifdef GDB} ait_stabn,ait_stabs,ait_stab_function_name, {$endif GDB} ait_cut,ait_marker,ait_align,ait_section]; {TODO: Perhaps replace internalerror(10000) with something else} var s, prefix, suffix : string; hp : tai; counter, lines, InlineLevel : longint; i,j,l : longint; consttyp : taitype; found, do_line,DoNotSplitLine, quoted : boolean; sep : char; replaced : boolean; begin if not assigned(p) then exit; { lineinfo is only needed for codesegment (PFV) } do_line:=((cs_asm_source in aktglobalswitches) or (cs_lineinfo in aktmoduleswitches)) and (p=codesegment); InlineLevel:=0; DoNotSplitLine:=false; hp:=tai(p.first); while assigned(hp) do begin if do_line and not(hp.typ in nolinetai) and not DoNotSplitLine then begin { load infile } if lastfileinfo.fileindex<>hp.fileinfo.fileindex then begin infile:=current_module.sourcefiles.get_file(hp.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:=hp.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 (hp.fileinfo.line<>lastfileinfo.line) and ((hp.fileinfo.line0)) then begin if (hp.fileinfo.line<>0) and ((infile.linebuf^[hp.fileinfo.line]>=0) or (InlineLevel>0)) then AsmWriteLn(target_asm.comment+'['+tostr(hp.fileinfo.line)+'] '+ fixline(infile.GetLineStr(hp.fileinfo.line))); { set it to a negative value ! to make that is has been read already !! PM } if (infile.linebuf^[hp.fileinfo.line]>=0) then infile.linebuf^[hp.fileinfo.line]:=-infile.linebuf^[hp.fileinfo.line]-1; end; end; lastfileinfo:=hp.fileinfo; lastinfile:=infile; end; DoNotSplitLine:=false; case hp.typ of ait_comment: begin AsmWrite(target_asm.comment); AsmWritePChar(tai_comment(hp).str); AsmLn; end; ait_regalloc, ait_tempalloc: ; ait_section: begin {if LasTSec<>sec_none then AsmWriteLn('_'+target_asm.secnames[LasTSec]+#9#9'ENDS');} if tai_section(hp).sec<>sec_none then begin AsmLn; AsmWriteLn(#9+target_asm.secnames[tai_section(hp).sec]){+#9#9+ 'SEGMENT'#9'PARA PUBLIC USE32 '''+ target_asm.secnames[tai_section(hp).sec]+'''');} end; LasTSec:=tai_section(hp).sec; end; ait_align: begin case tai_align(hp).aligntype of 1:AsmWriteLn(#9'ALIGN 0'); 2:AsmWriteLn(#9'ALIGN 1'); 4:AsmWriteLn(#9'ALIGN 2'); otherwise internalerror(10000); end; end; ait_datablock: begin s:= tai_datablock(hp).sym.name; replaced:= ReplaceForbiddenChars(s); if tai_datablock(hp).is_global then if replaced then AsmWriteLn(#9'EXPORT'#9+s+' => '''+tai_datablock(hp).sym.name+'''') else AsmWriteLn(#9'EXPORT'#9+s); AsmWriteLn(PadTabs(s,#0)+'DS.B '+tostr(tai_datablock(hp).size)); {TODO: ? PadTabs(s,#0) } end; ait_const_32bit, ait_const_8bit, ait_const_16bit : 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 AsmWriteLn(#9#9'DD'#9'offset '+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_real_32bit : AsmWriteLn(#9'DC.L'#9'"'+single2str(tai_real_32bit(hp).value)+'"'); ait_real_64bit : AsmWriteLn(#9'DC.D'#9'"'+double2str(tai_real_64bit(hp).value)+'"'); ait_string : begin {NOTE When a single quote char is encountered, it is replaced with a numeric ascii value. It could also have been replaced with the escape seq of double quotes.} 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'DC.B'#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'DC.B'#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 s:= tai_label(hp).l.name; ReplaceForbiddenChars(s); AsmWrite(s); {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;} AsmWriteLn(':'); end; end; ait_direct : begin AsmWritePChar(tai_direct(hp).str); AsmLn; end; ait_symbol : begin s:= tai_label(hp).l.name; replaced:= ReplaceForbiddenChars(s); if tai_symbol(hp).is_global then if replaced then AsmWriteLn(#9'EXPORT'#9+s+' => '''+tai_symbol(hp).sym.name+'''') else AsmWriteLn(#9'EXPORT'#9+s); AsmWrite(s); {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 AsmWriteLn(GetInstruction(hp)); 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; WriteAsmFileHeader; if lasTSec<>sec_none then AsmWriteLn(#9+target_asm.secnames[lasTSec]); { 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); var s:string; begin if tasmsymbol(p).defbind=AB_EXTERNAL then begin {currentasmlist.AsmWriteln(#9'IMPORT'#9+p.name);} s:= p.name; if ReplaceForbiddenChars(s) then currentasmlist.AsmWriteLn(#9'IMPORT'#9+s+' <= '''+p.name+'''') else currentasmlist.AsmWriteLn(#9'IMPORT'#9+s); end; 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.WriteAsmFileHeader; begin (* 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; *) AsmWriteLn(#9'STRING ASIS'); {Interpret strings just to be the content between the quotes.} AsmLn; end; procedure TPPCMPWAssembler.WriteAsmList; begin {$ifdef EXTDEBUG} if assigned(current_module.mainsource) then comment(v_info,'Start writing MPW-styled assembler output for '+current_module.mainsource^); {$endif} LasTSec:=sec_none; WriteAsmFileHeader; WriteExternals; { PowerPC MPW ASM doesn't support stabs, as we now. 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 : ('', 'CSECT','CSECT','CSECT', {TODO: Perhaps use other section types.} '','','','','','', '','','') ); initialization RegisterAssembler(as_powerpc_mpw_info,TPPCMPWAssembler); end. { $Log: agppcmpw.pas,v $ Revision 1.2 2002/08/31 12:43:31 florian * ppc compilation fixed Revision 1.1 2002/08/20 21:40:44 florian + target macos for ppc added + frame work for mpw assembler output } \ No newline at end of file