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* initial revision for the alpha
This commit is contained in:
florian
parent
d941eee5f6
commit
efa5031010
@ -31,6 +31,18 @@ unit agas;
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{$endif GDB}
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;
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type
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palphaattasmlist=^talphaattasmlist;
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talphaattasmlist=object(tasmlist)
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procedure WriteTree(p:paasmoutput);virtual;
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procedure WriteAsmList;virtual;
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{$ifdef GDB}
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procedure WriteFileLineInfo(var fileinfo : tfileposinfo);
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{$endif}
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end;
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implementation
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const
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op2str : array[tasmop] of string[14] = (
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'addf','addg','addl','addq',
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@ -67,12 +79,537 @@ unit agas;
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'subq','subs','subt','trapb','umulh','unpkbl',
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'unpkbw','wh64','wmb','xor','zap','zapnot');
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implementation
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{$ifdef GDB}
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procedure talphaattasmlist.WriteFileLineInfo(var fileinfo : tfileposinfo);
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var
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curr_n : byte;
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begin
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if not (cs_debuginfo in aktmoduleswitches) then
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exit;
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{ file changed ? (must be before line info) }
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if (fileinfo.fileindex<>0) and
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(stabslastfileinfo.fileindex<>fileinfo.fileindex) then
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begin
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infile:=current_module^.sourcefiles^.get_file(fileinfo.fileindex);
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if includecount=0 then
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curr_n:=n_sourcefile
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else
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curr_n:=n_includefile;
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if (infile^.path^<>'') then
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begin
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AsmWriteLn(#9'.stabs "'+lower(BsToSlash(FixPath(infile^.path^,false)))+'",'+
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tostr(curr_n)+',0,0,'+'Ltext'+ToStr(IncludeCount));
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end;
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AsmWriteLn(#9'.stabs "'+lower(FixFileName(infile^.name^))+'",'+
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tostr(curr_n)+',0,0,'+'Ltext'+ToStr(IncludeCount));
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AsmWriteLn('Ltext'+ToStr(IncludeCount)+':');
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inc(includecount);
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end;
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{ line changed ? }
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if (stabslastfileinfo.line<>fileinfo.line) and (fileinfo.line<>0) then
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begin
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if (n_line=n_textline) and assigned(funcname) and
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(target_os.use_function_relative_addresses) then
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begin
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AsmWriteLn(target_asm.labelprefix+'l'+tostr(linecount)+':');
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AsmWrite(#9'.stabn '+tostr(n_line)+',0,'+tostr(fileinfo.line)+','+
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target_asm.labelprefix+'l'+tostr(linecount)+' - ');
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AsmWritePChar(FuncName);
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AsmLn;
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inc(linecount);
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end
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else
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AsmWriteLn(#9'.stabd'#9+tostr(n_line)+',0,'+tostr(fileinfo.line));
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end;
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stabslastfileinfo:=fileinfo;
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end;
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{$endif GDB}
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procedure talphaattasmlist.WriteTree(p:paasmoutput);
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const
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allocstr : array[boolean] of string[10]=(' released',' allocated');
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type
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t64bitarray = array[0..7] of byte;
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t32bitarray = array[0..3] of byte;
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var
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ch : char;
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hp : pai;
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consttyp : tait;
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s : string;
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found : boolean;
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i,pos,l : longint;
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co : comp;
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sin : single;
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d : double;
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e : extended;
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op : tasmop;
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calljmp,
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do_line : 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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do_line:=(cs_debuginfo in aktmoduleswitches) or (cs_asm_source in aktglobalswitches);
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hp:=pai(p^.first);
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while assigned(hp) do
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begin
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aktfilepos:=hp^.fileinfo;
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if do_line then
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begin
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{ I think it is better to write stabs before source line PM }
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{$ifdef GDB}
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{ write stabs }
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if cs_debuginfo in aktmoduleswitches then
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begin
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if not (hp^.typ in [
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ait_label,
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ait_regalloc,ait_tempalloc,
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ait_stabn,ait_stabs,ait_section,
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ait_cut,ait_marker,ait_align,ait_stab_function_name]) then
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begin
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WriteFileLineInfo(hp^.fileinfo);
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end;
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end;
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{$endif GDB}
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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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{ 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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{ 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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not (hp^.typ in [
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ait_label,
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ait_stabn,ait_stabs,ait_section,
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ait_cut,ait_align,ait_stab_function_name]) then
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begin
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if (infile<>lastinfile) and assigned(lastinfile) then
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begin
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AsmWriteLn(target_asm.comment+'['+infile^.name^+']');
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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) 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) 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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infile^.linebuf^[hp^.fileinfo.line]:=-infile^.linebuf^[hp^.fileinfo.line]-1;
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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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end;
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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(pai_asm_comment(hp)^.str);
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AsmLn;
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End;
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ait_regalloc :
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begin
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if (cs_asm_regalloc in aktglobalswitches) then
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AsmWriteLn(target_asm.comment+'Register '+att_reg2str[pairegalloc(hp)^.reg]+
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allocstr[pairegalloc(hp)^.allocation]);
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end;
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ait_tempalloc :
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begin
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if (cs_asm_tempalloc in aktglobalswitches) then
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AsmWriteLn(target_asm.comment+'Temp '+tostr(paitempalloc(hp)^.temppos)+','+
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tostr(paitempalloc(hp)^.tempsize)+allocstr[paitempalloc(hp)^.allocation]);
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end;
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ait_align :
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begin
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AsmWrite(#9'.balign '+tostr(pai_align(hp)^.aligntype));
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if pai_align(hp)^.use_op then
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AsmWrite(','+tostr(pai_align(hp)^.fillop));
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AsmLn;
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end;
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ait_section :
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begin
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if pai_section(hp)^.sec<>sec_none then
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begin
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AsmLn;
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AsmWriteLn(ait_section2str(pai_section(hp)^.sec));
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{$ifdef GDB}
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lastfileinfo.line:=-1;
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{$endif GDB}
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end;
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end;
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ait_datablock :
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begin
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if pai_datablock(hp)^.is_global then
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AsmWrite(#9'.comm'#9)
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else
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AsmWrite(#9'.lcomm'#9);
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AsmWrite(pai_datablock(hp)^.sym^.name);
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AsmWriteLn(','+tostr(pai_datablock(hp)^.size));
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end;
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ait_const_32bit,
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ait_const_16bit,
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ait_const_8bit :
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begin
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AsmWrite(ait_const2str[hp^.typ]+tostr(pai_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 (Pai(hp^.next)=nil)) and (Pai(hp^.next)^.typ=consttyp);
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if found then
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begin
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hp:=Pai(hp^.next);
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s:=','+tostr(pai_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 :
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begin
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AsmWrite(#9'.long'#9+pai_const_symbol(hp)^.sym^.name);
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if pai_const_symbol(hp)^.offset>0 then
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AsmWrite('+'+tostr(pai_const_symbol(hp)^.offset))
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else if pai_const_symbol(hp)^.offset<0 then
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AsmWrite(tostr(pai_const_symbol(hp)^.offset));
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AsmLn;
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end;
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ait_const_rva :
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AsmWriteLn(#9'.rva'#9+pai_const_symbol(hp)^.sym^.name);
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ait_real_64bit :
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begin
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if do_line then
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AsmWriteLn(target_asm.comment+double2str(pai_real_64bit(hp)^.value));
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d:=pai_real_64bit(hp)^.value;
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AsmWrite(#9'.byte'#9);
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for i:=0 to 7 do
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begin
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if i<>0 then
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AsmWrite(',');
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AsmWrite(tostr(t64bitarray(d)[i]));
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end;
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AsmLn;
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end;
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ait_real_32bit :
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begin
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if do_line then
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AsmWriteLn(target_asm.comment+single2str(pai_real_32bit(hp)^.value));
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sin:=pai_real_32bit(hp)^.value;
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AsmWrite(#9'.byte'#9);
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for i:=0 to 3 do
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begin
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if i<>0 then
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AsmWrite(',');
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AsmWrite(tostr(t32bitarray(sin)[i]));
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end;
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AsmLn;
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end;
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ait_comp_64bit :
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begin
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if do_line then
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AsmWriteLn(target_asm.comment+comp2str(pai_comp_64bit(hp)^.value));
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AsmWrite(#9'.byte'#9);
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{$ifdef FPC}
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co:=comp(pai_comp_64bit(hp)^.value);
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{$else}
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co:=pai_comp_64bit(hp)^.value;
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{$endif}
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for i:=0 to 7 do
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begin
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if i<>0 then
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AsmWrite(',');
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AsmWrite(tostr(t64bitarray(co)[i]));
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end;
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AsmLn;
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end;
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ait_direct :
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begin
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AsmWritePChar(pai_direct(hp)^.str);
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AsmLn;
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{$IfDef GDB}
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if strpos(pai_direct(hp)^.str,'.data')<>nil then
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n_line:=n_dataline
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else if strpos(pai_direct(hp)^.str,'.text')<>nil then
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n_line:=n_textline
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else if strpos(pai_direct(hp)^.str,'.bss')<>nil then
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n_line:=n_bssline;
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{$endif GDB}
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end;
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ait_string :
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begin
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pos:=0;
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for i:=1 to pai_string(hp)^.len do
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begin
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if pos=0 then
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begin
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AsmWrite(#9'.ascii'#9'"');
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pos:=20;
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end;
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ch:=pai_string(hp)^.str[i-1];
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case ch of
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#0, {This can't be done by range, because a bug in FPC}
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#1..#31,
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#128..#255 : s:='\'+tostr(ord(ch) shr 6)+tostr((ord(ch) and 63) shr 3)+tostr(ord(ch) and 7);
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'"' : s:='\"';
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'\' : s:='\\';
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else
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s:=ch;
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end;
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AsmWrite(s);
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inc(pos,length(s));
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if (pos>line_length) or (i=pai_string(hp)^.len) then
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begin
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AsmWriteLn('"');
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pos:=0;
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end;
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end;
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end;
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ait_label :
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begin
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if (pai_label(hp)^.l^.is_used) then
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begin
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if pai_label(hp)^.l^.typ=AS_GLOBAL then
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AsmWriteLn('.globl'#9+pai_label(hp)^.l^.name);
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AsmWriteLn(pai_label(hp)^.l^.name+':');
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end;
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end;
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ait_symbol :
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begin
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if pai_symbol(hp)^.is_global then
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AsmWriteLn('.globl'#9+pai_symbol(hp)^.sym^.name);
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if target_info.target=target_i386_linux then
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begin
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AsmWrite(#9'.type'#9+pai_symbol(hp)^.sym^.name);
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if assigned(pai(hp^.next)) and
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(pai(hp^.next)^.typ in [ait_const_symbol,ait_const_rva,
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ait_const_32bit,ait_const_16bit,ait_const_8bit,ait_datablock,
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ait_real_32bit,ait_real_64bit,ait_real_80bit,ait_comp_64bit]) then
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AsmWriteLn(',@object')
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else
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AsmWriteLn(',@function');
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if pai_symbol(hp)^.sym^.size>0 then
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AsmWriteLn(#9'.size'#9+pai_symbol(hp)^.sym^.name+', '+tostr(pai_symbol(hp)^.sym^.size));
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end;
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AsmWriteLn(pai_symbol(hp)^.sym^.name+':');
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end;
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ait_symbol_end :
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begin
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if target_info.target=target_i386_linux then
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begin
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s:=target_asm.labelprefix+'e'+tostr(symendcount);
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inc(symendcount);
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AsmWriteLn(s+':');
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AsmWriteLn(#9'.size'#9+pai_symbol(hp)^.sym^.name+', '+s+' - '+pai_symbol(hp)^.sym^.name);
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end;
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end;
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ait_instruction :
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begin
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op:=pai386(hp)^.opcode;
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calljmp:=is_calljmp(op);
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{ call maybe not translated to calll }
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s:=#9+att_op2str[op]+cond2str[pai386(hp)^.condition];
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if (not calljmp) and
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(not att_nosuffix[op]) and
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not(
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(pai386(hp)^.oper[0].typ=top_reg) and
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(pai386(hp)^.oper[0].reg in [R_ST..R_ST7])
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) then
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s:=s+att_opsize2str[pai386(hp)^.opsize];
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{ process operands }
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if pai386(hp)^.ops<>0 then
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begin
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{ call and jmp need an extra handling }
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{ this code is only called if jmp isn't a labeled instruction }
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if calljmp then
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s:=s+#9+getopstr_jmp(pai386(hp)^.oper[0])
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else
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begin
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for i:=0to pai386(hp)^.ops-1 do
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begin
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if i=0 then
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sep:=#9
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else
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sep:=',';
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s:=s+sep+getopstr(pai386(hp)^.oper[i])
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end;
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end;
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end;
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AsmWriteLn(s);
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end;
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{$ifdef GDB}
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ait_stabs :
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begin
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AsmWrite(#9'.stabs ');
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AsmWritePChar(pai_stabs(hp)^.str);
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AsmLn;
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end;
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ait_stabn :
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begin
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AsmWrite(#9'.stabn ');
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AsmWritePChar(pai_stabn(hp)^.str);
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AsmLn;
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end;
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ait_force_line :
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stabslastfileinfo.line:=0;
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ait_stab_function_name:
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funcname:=pai_stab_function_name(hp)^.str;
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{$endif GDB}
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ait_cut :
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begin
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if SmartAsm then
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begin
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{ only reset buffer if nothing has changed }
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if AsmSize=AsmStartSize then
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AsmClear
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else
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begin
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AsmClose;
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DoAssemble;
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if pai_cut(hp)^.EndName then
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IsEndFile:=true;
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AsmCreate;
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end;
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{ avoid empty files }
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while assigned(hp^.next) and (pai(hp^.next)^.typ in [ait_cut,ait_section,ait_comment]) do
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begin
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if pai(hp^.next)^.typ=ait_section then
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lastsec:=pai_section(hp^.next)^.sec;
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hp:=pai(hp^.next);
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end;
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{$ifdef GDB}
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{ force write of filename }
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FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
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includecount:=0;
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funcname:=nil;
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WriteFileLineInfo(hp^.fileinfo);
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{$endif GDB}
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if lastsec<>sec_none then
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AsmWriteLn(ait_section2str(lastsec));
|
||||
AsmStartSize:=AsmSize;
|
||||
end;
|
||||
end;
|
||||
|
||||
ait_marker :
|
||||
;
|
||||
|
||||
else
|
||||
internalerror(10000);
|
||||
end;
|
||||
hp:=pai(hp^.next);
|
||||
end;
|
||||
end;
|
||||
|
||||
|
||||
procedure talphaattasmlist.WriteAsmList;
|
||||
var
|
||||
p:dirstr;
|
||||
n:namestr;
|
||||
e:extstr;
|
||||
{$ifdef GDB}
|
||||
fileinfo : tfileposinfo;
|
||||
{$endif GDB}
|
||||
|
||||
begin
|
||||
{$ifdef EXTDEBUG}
|
||||
if assigned(current_module^.mainsource) then
|
||||
Comment(v_info,'Start writing att-styled assembler output for '+current_module^.mainsource^);
|
||||
{$endif}
|
||||
|
||||
LastSec:=sec_none;
|
||||
{$ifdef GDB}
|
||||
FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
|
||||
{$endif GDB}
|
||||
FillChar(lastfileinfo,sizeof(lastfileinfo),0);
|
||||
LastInfile:=nil;
|
||||
|
||||
if assigned(current_module^.mainsource) then
|
||||
fsplit(current_module^.mainsource^,p,n,e)
|
||||
else
|
||||
begin
|
||||
p:=inputdir;
|
||||
n:=inputfile;
|
||||
e:=inputextension;
|
||||
end;
|
||||
{ to get symify to work }
|
||||
AsmWriteLn(#9'.file "'+FixFileName(n+e)+'"');
|
||||
|
||||
{$ifdef GDB}
|
||||
n_line:=n_bssline;
|
||||
funcname:=nil;
|
||||
linecount:=1;
|
||||
includecount:=0;
|
||||
fileinfo.fileindex:=1;
|
||||
fileinfo.line:=1;
|
||||
{ Write main file }
|
||||
WriteFileLineInfo(fileinfo);
|
||||
{$endif GDB}
|
||||
AsmStartSize:=AsmSize;
|
||||
symendcount:=0;
|
||||
|
||||
countlabelref:=false;
|
||||
If (cs_debuginfo in aktmoduleswitches) then
|
||||
WriteTree(debuglist);
|
||||
WriteTree(codesegment);
|
||||
WriteTree(datasegment);
|
||||
WriteTree(consts);
|
||||
WriteTree(rttilist);
|
||||
Writetree(resourcestringlist);
|
||||
WriteTree(bsssegment);
|
||||
Writetree(importssection);
|
||||
Writetree(exportssection);
|
||||
Writetree(resourcesection);
|
||||
countlabelref:=true;
|
||||
|
||||
AsmLn;
|
||||
{$ifdef EXTDEBUG}
|
||||
if assigned(current_module^.mainsource) then
|
||||
comment(v_info,'Done writing att-styled assembler output for '+current_module^.mainsource^);
|
||||
{$endif EXTDEBUG}
|
||||
end;
|
||||
|
||||
|
||||
end.
|
||||
{
|
||||
$Log$
|
||||
Revision 1.1 1999-08-02 23:19:53 michael
|
||||
Revision 1.2 1999-08-03 13:20:53 florian
|
||||
* initial revision for the alpha
|
||||
|
||||
Revision 1.1 1999/08/02 23:19:53 michael
|
||||
Initial implementation
|
||||
|
||||
Revision 1.2 1998/09/09 20:14:01 peter
|
||||
|
||||
Loading…
Reference in New Issue
Block a user