mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-10-31 13:31:40 +01:00
1662 lines
49 KiB
ObjectPascal
1662 lines
49 KiB
ObjectPascal
{
|
|
$Id$
|
|
Copyright (c) 1998-2000 by Peter Vreman
|
|
|
|
This unit handles the assemblerfile write and assembler calls of FPC
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
****************************************************************************
|
|
}
|
|
unit assemble;
|
|
|
|
{$i defines.inc}
|
|
|
|
interface
|
|
|
|
{ Use multiple passes in the internal assembler to optimize jumps }
|
|
{$define MULTIPASS}
|
|
|
|
|
|
uses
|
|
{$ifdef Delphi}
|
|
sysutils,
|
|
dmisc,
|
|
{$else Delphi}
|
|
strings,
|
|
dos,
|
|
{$endif Delphi}
|
|
systems,globtype,globals,aasm,ogbase;
|
|
|
|
const
|
|
AsmOutSize=32768;
|
|
|
|
type
|
|
TAssembler=class
|
|
public
|
|
{filenames}
|
|
path : pathstr;
|
|
name : namestr;
|
|
asmfile, { current .s and .o file }
|
|
objfile : string;
|
|
SmartAsm : boolean;
|
|
SmartFilesCount,
|
|
SmartHeaderCount : longint;
|
|
Constructor Create(smart:boolean);virtual;
|
|
Destructor Destroy;override;
|
|
procedure NextSmartName(place:tcutplace);
|
|
procedure MakeObject;virtual;abstract;
|
|
end;
|
|
|
|
TExternalAssembler=class(TAssembler)
|
|
private
|
|
procedure CreateSmartLinkPath(const s:string);
|
|
protected
|
|
{outfile}
|
|
AsmSize,
|
|
AsmStartSize,
|
|
outcnt : longint;
|
|
outbuf : array[0..AsmOutSize-1] of char;
|
|
outfile : file;
|
|
public
|
|
Function FindAssembler:string;
|
|
Function CallAssembler(const command,para:string):Boolean;
|
|
Function DoAssemble:boolean;virtual;
|
|
Procedure RemoveAsm;
|
|
Procedure AsmFlush;
|
|
Procedure AsmClear;
|
|
Procedure AsmWrite(const s:string);
|
|
Procedure AsmWritePChar(p:pchar);
|
|
Procedure AsmWriteLn(const s:string);
|
|
Procedure AsmLn;
|
|
procedure AsmCreate(Aplace:tcutplace);
|
|
procedure AsmClose;
|
|
procedure WriteTree(p:TAAsmoutput);virtual;
|
|
procedure WriteAsmList;virtual;
|
|
public
|
|
Constructor Create(smart:boolean);override;
|
|
procedure MakeObject;override;
|
|
end;
|
|
|
|
TInternalAssembler=class(TAssembler)
|
|
public
|
|
constructor create(smart:boolean);override;
|
|
destructor destroy;override;
|
|
procedure MakeObject;override;
|
|
protected
|
|
{ object alloc and output }
|
|
objectalloc : tobjectalloc;
|
|
objectoutput : tobjectoutput;
|
|
private
|
|
{ the aasmoutput lists that need to be processed }
|
|
lists : byte;
|
|
list : array[1..maxoutputlists] of TAAsmoutput;
|
|
{ current processing }
|
|
currlistidx : byte;
|
|
currlist : TAAsmoutput;
|
|
currpass : byte;
|
|
{$ifdef GDB}
|
|
n_line : byte; { different types of source lines }
|
|
linecount,
|
|
includecount : longint;
|
|
funcname : tasmsymbol;
|
|
stabslastfileinfo : tfileposinfo;
|
|
procedure convertstabs(p:pchar);
|
|
procedure emitlineinfostabs(nidx,line : longint);
|
|
procedure emitstabs(s:string);
|
|
procedure WriteFileLineInfo(var fileinfo : tfileposinfo);
|
|
procedure StartFileLineInfo;
|
|
procedure EndFileLineInfo;
|
|
{$endif}
|
|
function MaybeNextList(var hp:Tai):boolean;
|
|
function TreePass0(hp:Tai):Tai;
|
|
function TreePass1(hp:Tai):Tai;
|
|
function TreePass2(hp:Tai):Tai;
|
|
procedure writetree;
|
|
procedure writetreesmart;
|
|
end;
|
|
|
|
TAssemblerClass = class of TAssembler;
|
|
|
|
Procedure GenerateAsm(smart:boolean);
|
|
Procedure OnlyAsm;
|
|
|
|
procedure RegisterAssembler(const r:tasminfo;c:TAssemblerClass);
|
|
procedure InitAssembler;
|
|
procedure DoneAssembler;
|
|
|
|
|
|
Implementation
|
|
|
|
uses
|
|
{$ifdef unix}
|
|
{$ifdef ver1_0}
|
|
linux,
|
|
{$else}
|
|
unix,
|
|
{$endif}
|
|
{$endif}
|
|
cutils,script,finput,fmodule,verbose,
|
|
{$ifdef memdebug}
|
|
cclasses,
|
|
{$endif memdebug}
|
|
{$ifdef GDB}
|
|
gdb,
|
|
{$endif GDB}
|
|
cpubase,cpuasm
|
|
;
|
|
|
|
var
|
|
CAssembler : array[tasm] of TAssemblerClass;
|
|
|
|
|
|
{*****************************************************************************
|
|
TAssembler
|
|
*****************************************************************************}
|
|
|
|
Constructor TAssembler.Create(smart:boolean);
|
|
begin
|
|
{ load start values }
|
|
asmfile:=current_module.asmfilename^;
|
|
objfile:=current_module.objfilename^;
|
|
name:=Lower(current_module.modulename^);
|
|
path:=current_module.outputpath^;
|
|
SmartAsm:=smart;
|
|
SmartFilesCount:=0;
|
|
SmartHeaderCount:=0;
|
|
SmartLinkOFiles.Clear;
|
|
end;
|
|
|
|
|
|
Destructor TAssembler.Destroy;
|
|
begin
|
|
end;
|
|
|
|
|
|
procedure TAssembler.NextSmartName(place:tcutplace);
|
|
var
|
|
s : string;
|
|
begin
|
|
inc(SmartFilesCount);
|
|
if SmartFilesCount>999999 then
|
|
Message(asmw_f_too_many_asm_files);
|
|
case place of
|
|
cut_begin :
|
|
begin
|
|
inc(SmartHeaderCount);
|
|
s:=current_module.asmprefix^+tostr(SmartHeaderCount)+'h';
|
|
end;
|
|
cut_normal :
|
|
s:=current_module.asmprefix^+tostr(SmartHeaderCount)+'s';
|
|
cut_end :
|
|
s:=current_module.asmprefix^+tostr(SmartHeaderCount)+'t';
|
|
end;
|
|
AsmFile:=Path+FixFileName(s+tostr(SmartFilesCount)+target_info.asmext);
|
|
ObjFile:=Path+FixFileName(s+tostr(SmartFilesCount)+target_info.objext);
|
|
{ insert in container so it can be cleared after the linking }
|
|
SmartLinkOFiles.Insert(Objfile);
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TExternalAssembler
|
|
*****************************************************************************}
|
|
|
|
Function DoPipe:boolean;
|
|
begin
|
|
DoPipe:=(cs_asm_pipe in aktglobalswitches) and
|
|
not(cs_asm_leave in aktglobalswitches)
|
|
{$ifdef i386}
|
|
and ((aktoutputformat=as_i386_as));
|
|
{$endif i386}
|
|
{$ifdef m68k}
|
|
and ((aktoutputformat=as_m68k_as) or
|
|
(aktoutputformat=as_m68k_asbsd));
|
|
{$endif m68k}
|
|
end;
|
|
|
|
|
|
Constructor TExternalAssembler.Create(smart:boolean);
|
|
begin
|
|
inherited Create(smart);
|
|
if SmartAsm then
|
|
begin
|
|
path:=FixPath(current_module.outputpath^+FixFileName(current_module.modulename^)+target_info.smartext,false);
|
|
CreateSmartLinkPath(path);
|
|
end;
|
|
Outcnt:=0;
|
|
end;
|
|
|
|
|
|
procedure TExternalAssembler.CreateSmartLinkPath(const s:string);
|
|
var
|
|
dir : searchrec;
|
|
hs : string;
|
|
begin
|
|
if PathExists(s) then
|
|
begin
|
|
{ the path exists, now we clean only all the .o and .s files }
|
|
{ .o files }
|
|
findfirst(s+source_info.dirsep+'*'+target_info.objext,anyfile,dir);
|
|
while (doserror=0) do
|
|
begin
|
|
RemoveFile(s+source_info.dirsep+dir.name);
|
|
findnext(dir);
|
|
end;
|
|
findclose(dir);
|
|
{ .s files }
|
|
findfirst(s+source_info.dirsep+'*'+target_info.asmext,anyfile,dir);
|
|
while (doserror=0) do
|
|
begin
|
|
RemoveFile(s+source_info.dirsep+dir.name);
|
|
findnext(dir);
|
|
end;
|
|
findclose(dir);
|
|
end
|
|
else
|
|
begin
|
|
hs:=s;
|
|
if hs[length(hs)] in ['/','\'] then
|
|
delete(hs,length(hs),1);
|
|
{$I-}
|
|
mkdir(hs);
|
|
{$I+}
|
|
if ioresult<>0 then;
|
|
end;
|
|
end;
|
|
|
|
|
|
const
|
|
lastas : byte=255;
|
|
var
|
|
LastASBin : pathstr;
|
|
Function TExternalAssembler.FindAssembler:string;
|
|
var
|
|
asfound : boolean;
|
|
UtilExe : string;
|
|
begin
|
|
asfound:=false;
|
|
if cs_link_on_target in aktglobalswitches then
|
|
begin
|
|
{ If linking on target, don't add any path PM }
|
|
FindAssembler:=AddExtension(target_asm.asmbin,target_info.exeext);
|
|
exit;
|
|
end
|
|
else
|
|
UtilExe:=AddExtension(target_asm.asmbin,source_info.exeext);
|
|
if lastas<>ord(target_asm.id) then
|
|
begin
|
|
lastas:=ord(target_asm.id);
|
|
{ is an assembler passed ? }
|
|
if utilsdirectory<>'' then
|
|
asfound:=FindFile(UtilExe,utilsdirectory,LastASBin);
|
|
if not AsFound then
|
|
asfound:=FindExe(UtilExe,LastASBin);
|
|
if (not asfound) and not(cs_asm_extern in aktglobalswitches) then
|
|
begin
|
|
Message1(exec_e_assembler_not_found,LastASBin);
|
|
aktglobalswitches:=aktglobalswitches+[cs_asm_extern];
|
|
end;
|
|
if asfound then
|
|
Message1(exec_t_using_assembler,LastASBin);
|
|
end;
|
|
FindAssembler:=LastASBin;
|
|
end;
|
|
|
|
|
|
Function TExternalAssembler.CallAssembler(const command,para:string):Boolean;
|
|
begin
|
|
callassembler:=true;
|
|
if not(cs_asm_extern in aktglobalswitches) then
|
|
begin
|
|
swapvectors;
|
|
exec(command,para);
|
|
swapvectors;
|
|
if (doserror<>0) then
|
|
begin
|
|
Message1(exec_e_cant_call_assembler,tostr(doserror));
|
|
aktglobalswitches:=aktglobalswitches+[cs_asm_extern];
|
|
callassembler:=false;
|
|
end
|
|
else
|
|
if (dosexitcode<>0) then
|
|
begin
|
|
Message1(exec_e_error_while_assembling,tostr(dosexitcode));
|
|
callassembler:=false;
|
|
end;
|
|
end
|
|
else
|
|
AsmRes.AddAsmCommand(command,para,name);
|
|
end;
|
|
|
|
|
|
procedure TExternalAssembler.RemoveAsm;
|
|
var
|
|
g : file;
|
|
begin
|
|
if cs_asm_leave in aktglobalswitches then
|
|
exit;
|
|
if cs_asm_extern in aktglobalswitches then
|
|
AsmRes.AddDeleteCommand(AsmFile)
|
|
else
|
|
begin
|
|
assign(g,AsmFile);
|
|
{$I-}
|
|
erase(g);
|
|
{$I+}
|
|
if ioresult<>0 then;
|
|
end;
|
|
end;
|
|
|
|
|
|
Function TExternalAssembler.DoAssemble:boolean;
|
|
var
|
|
s : string;
|
|
begin
|
|
DoAssemble:=true;
|
|
if DoPipe then
|
|
exit;
|
|
if not(cs_asm_extern in aktglobalswitches) then
|
|
begin
|
|
if SmartAsm then
|
|
begin
|
|
if (SmartFilesCount<=1) then
|
|
Message1(exec_i_assembling_smart,name);
|
|
end
|
|
else
|
|
Message1(exec_i_assembling,name);
|
|
end;
|
|
s:=target_asm.asmcmd;
|
|
if (cs_link_on_target in aktglobalswitches) then
|
|
begin
|
|
Replace(s,'$ASM',ScriptFixFileName(AsmFile));
|
|
Replace(s,'$OBJ',ScriptFixFileName(ObjFile));
|
|
end
|
|
else
|
|
begin
|
|
Replace(s,'$ASM',AsmFile);
|
|
Replace(s,'$OBJ',ObjFile);
|
|
end;
|
|
if CallAssembler(FindAssembler,s) then
|
|
RemoveAsm
|
|
else
|
|
begin
|
|
DoAssemble:=false;
|
|
GenerateError;
|
|
end;
|
|
end;
|
|
|
|
|
|
Procedure TExternalAssembler.AsmFlush;
|
|
begin
|
|
if outcnt>0 then
|
|
begin
|
|
BlockWrite(outfile,outbuf,outcnt);
|
|
outcnt:=0;
|
|
end;
|
|
end;
|
|
|
|
|
|
Procedure TExternalAssembler.AsmClear;
|
|
begin
|
|
outcnt:=0;
|
|
end;
|
|
|
|
|
|
Procedure TExternalAssembler.AsmWrite(const s:string);
|
|
begin
|
|
if OutCnt+length(s)>=AsmOutSize then
|
|
AsmFlush;
|
|
Move(s[1],OutBuf[OutCnt],length(s));
|
|
inc(OutCnt,length(s));
|
|
inc(AsmSize,length(s));
|
|
end;
|
|
|
|
|
|
Procedure TExternalAssembler.AsmWriteLn(const s:string);
|
|
begin
|
|
AsmWrite(s);
|
|
AsmLn;
|
|
end;
|
|
|
|
|
|
Procedure TExternalAssembler.AsmWritePChar(p:pchar);
|
|
var
|
|
i,j : longint;
|
|
begin
|
|
i:=StrLen(p);
|
|
j:=i;
|
|
while j>0 do
|
|
begin
|
|
i:=min(j,AsmOutSize);
|
|
if OutCnt+i>=AsmOutSize then
|
|
AsmFlush;
|
|
Move(p[0],OutBuf[OutCnt],i);
|
|
inc(OutCnt,i);
|
|
inc(AsmSize,i);
|
|
dec(j,i);
|
|
p:=pchar(@p[i]);
|
|
end;
|
|
end;
|
|
|
|
|
|
Procedure TExternalAssembler.AsmLn;
|
|
begin
|
|
if OutCnt>=AsmOutSize-2 then
|
|
AsmFlush;
|
|
OutBuf[OutCnt]:=target_info.newline[1];
|
|
inc(OutCnt);
|
|
inc(AsmSize);
|
|
if length(target_info.newline)>1 then
|
|
begin
|
|
OutBuf[OutCnt]:=target_info.newline[2];
|
|
inc(OutCnt);
|
|
inc(AsmSize);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TExternalAssembler.AsmCreate(Aplace:tcutplace);
|
|
begin
|
|
if SmartAsm then
|
|
NextSmartName(Aplace);
|
|
{$ifdef unix}
|
|
if DoPipe then
|
|
begin
|
|
Message1(exec_i_assembling_pipe,asmfile);
|
|
POpen(outfile,'as -o '+objfile,'W');
|
|
end
|
|
else
|
|
{$endif}
|
|
begin
|
|
Assign(outfile,asmfile);
|
|
{$I-}
|
|
Rewrite(outfile,1);
|
|
{$I+}
|
|
if ioresult<>0 then
|
|
Message1(exec_d_cant_create_asmfile,asmfile);
|
|
end;
|
|
outcnt:=0;
|
|
AsmSize:=0;
|
|
AsmStartSize:=0;
|
|
end;
|
|
|
|
|
|
procedure TExternalAssembler.AsmClose;
|
|
var
|
|
f : file;
|
|
l : longint;
|
|
begin
|
|
AsmFlush;
|
|
{$ifdef unix}
|
|
if DoPipe then
|
|
PClose(outfile)
|
|
else
|
|
{$endif}
|
|
begin
|
|
{Touch Assembler time to ppu time is there is a ppufilename}
|
|
if Assigned(current_module.ppufilename) then
|
|
begin
|
|
Assign(f,current_module.ppufilename^);
|
|
{$I-}
|
|
reset(f,1);
|
|
{$I+}
|
|
if ioresult=0 then
|
|
begin
|
|
getftime(f,l);
|
|
close(f);
|
|
reset(outfile,1);
|
|
setftime(outfile,l);
|
|
end;
|
|
end;
|
|
close(outfile);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TExternalAssembler.WriteTree(p:TAAsmoutput);
|
|
begin
|
|
end;
|
|
|
|
|
|
procedure TExternalAssembler.WriteAsmList;
|
|
begin
|
|
end;
|
|
|
|
|
|
procedure TExternalAssembler.MakeObject;
|
|
begin
|
|
AsmCreate(cut_normal);
|
|
WriteAsmList;
|
|
AsmClose;
|
|
DoAssemble;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TInternalAssembler
|
|
*****************************************************************************}
|
|
|
|
constructor TInternalAssembler.create(smart:boolean);
|
|
begin
|
|
inherited create(smart);
|
|
objectoutput:=nil;
|
|
objectalloc:=tobjectalloc.create;
|
|
SmartAsm:=smart;
|
|
currpass:=0;
|
|
end;
|
|
|
|
|
|
destructor TInternalAssembler.destroy;
|
|
{$ifdef MEMDEBUG}
|
|
var
|
|
d : tmemdebug;
|
|
{$endif}
|
|
begin
|
|
{$ifdef MEMDEBUG}
|
|
d := tmemdebug.create('agbin');
|
|
{$endif}
|
|
objectoutput.free;
|
|
objectalloc.free;
|
|
{$ifdef MEMDEBUG}
|
|
d.free;
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
{$ifdef GDB}
|
|
procedure TInternalAssembler.convertstabs(p:pchar);
|
|
var
|
|
ofs,
|
|
nidx,nother,ii,i,line,j : longint;
|
|
code : integer;
|
|
hp : pchar;
|
|
reloc : boolean;
|
|
sec : tsection;
|
|
ps : tasmsymbol;
|
|
s : string;
|
|
begin
|
|
ofs:=0;
|
|
reloc:=true;
|
|
ps:=nil;
|
|
sec:=sec_none;
|
|
if p[0]='"' then
|
|
begin
|
|
i:=1;
|
|
{ we can have \" inside the string !! PM }
|
|
while not ((p[i]='"') and (p[i-1]<>'\')) do
|
|
inc(i);
|
|
p[i]:=#0;
|
|
ii:=i;
|
|
hp:=@p[1];
|
|
s:=StrPas(@P[i+2]);
|
|
end
|
|
else
|
|
begin
|
|
hp:=nil;
|
|
s:=StrPas(P);
|
|
i:=-2; {needed below (PM) }
|
|
end;
|
|
{ When in pass 1 then only alloc and leave }
|
|
if currpass=1 then
|
|
begin
|
|
objectalloc.staballoc(hp);
|
|
if assigned(hp) then
|
|
p[i]:='"';
|
|
exit;
|
|
end;
|
|
{ Parse the rest of the stabs }
|
|
if s='' then
|
|
internalerror(33000);
|
|
j:=pos(',',s);
|
|
if j=0 then
|
|
internalerror(33001);
|
|
Val(Copy(s,1,j-1),nidx,code);
|
|
if code<>0 then
|
|
internalerror(33002);
|
|
i:=i+2+j;
|
|
Delete(s,1,j);
|
|
j:=pos(',',s);
|
|
if (j=0) then
|
|
internalerror(33003);
|
|
Val(Copy(s,1,j-1),nother,code);
|
|
if code<>0 then
|
|
internalerror(33004);
|
|
i:=i+j;
|
|
Delete(s,1,j);
|
|
j:=pos(',',s);
|
|
if j=0 then
|
|
begin
|
|
j:=256;
|
|
ofs:=-1;
|
|
end;
|
|
Val(Copy(s,1,j-1),line,code);
|
|
if code<>0 then
|
|
internalerror(33005);
|
|
if ofs=0 then
|
|
begin
|
|
Delete(s,1,j);
|
|
i:=i+j;
|
|
Val(s,ofs,code);
|
|
if code=0 then
|
|
reloc:=false
|
|
else
|
|
begin
|
|
ofs:=0;
|
|
s:=strpas(@p[i]);
|
|
{ handle asmsymbol or
|
|
asmsymbol - asmsymbol }
|
|
j:=pos(' ',s);
|
|
if j=0 then
|
|
j:=pos('-',s);
|
|
{ single asmsymbol }
|
|
if j=0 then
|
|
j:=256;
|
|
{ the symbol can be external
|
|
so we must use newasmsymbol and
|
|
not getasmsymbol !! PM }
|
|
ps:=newasmsymbol(copy(s,1,j-1));
|
|
if not assigned(ps) then
|
|
internalerror(33006)
|
|
else
|
|
begin
|
|
sec:=ps.section;
|
|
ofs:=ps.address;
|
|
reloc:=true;
|
|
UsedAsmSymbolListInsert(ps);
|
|
end;
|
|
if j<256 then
|
|
begin
|
|
i:=i+j;
|
|
s:=strpas(@p[i]);
|
|
if (s<>'') and (s[1]=' ') then
|
|
begin
|
|
j:=0;
|
|
while (s[j+1]=' ') do
|
|
inc(j);
|
|
i:=i+j;
|
|
s:=strpas(@p[i]);
|
|
end;
|
|
ps:=getasmsymbol(s);
|
|
if not assigned(ps) then
|
|
internalerror(33007)
|
|
else
|
|
begin
|
|
if ps.section<>sec then
|
|
internalerror(33008);
|
|
ofs:=ofs-ps.address;
|
|
reloc:=false;
|
|
UsedAsmSymbolListInsert(ps);
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
{ external bss need speical handling (PM) }
|
|
if assigned(ps) and (ps.section=sec_none) then
|
|
begin
|
|
if currpass=2 then
|
|
begin
|
|
objectdata.writesymbol(ps);
|
|
objectoutput.exportsymbol(ps);
|
|
end;
|
|
objectdata.WriteSymStabs(sec,ofs,hp,ps,nidx,nother,line,reloc)
|
|
end
|
|
else
|
|
objectdata.WriteStabs(sec,ofs,hp,nidx,nother,line,reloc);
|
|
if assigned(hp) then
|
|
p[ii]:='"';
|
|
end;
|
|
|
|
|
|
procedure TInternalAssembler.emitlineinfostabs(nidx,line : longint);
|
|
var
|
|
sec : tsection;
|
|
begin
|
|
if currpass=1 then
|
|
begin
|
|
objectalloc.staballoc(nil);
|
|
exit;
|
|
end;
|
|
|
|
if (nidx=n_textline) and assigned(funcname) and
|
|
(target_info.use_function_relative_addresses) then
|
|
objectdata.WriteStabs(sec_code,objectdata.sectionsize(sec_code)-funcname.address,
|
|
nil,nidx,0,line,false)
|
|
else
|
|
begin
|
|
if nidx=n_textline then
|
|
sec:=sec_code
|
|
else if nidx=n_dataline then
|
|
sec:=sec_data
|
|
else
|
|
sec:=sec_bss;
|
|
objectdata.WriteStabs(sec,objectdata.sectionsize(sec),
|
|
nil,nidx,0,line,true);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TInternalAssembler.emitstabs(s:string);
|
|
begin
|
|
s:=s+#0;
|
|
ConvertStabs(@s[1]);
|
|
end;
|
|
|
|
|
|
procedure TInternalAssembler.WriteFileLineInfo(var fileinfo : tfileposinfo);
|
|
var
|
|
curr_n : byte;
|
|
hp : tasmsymbol;
|
|
infile : tinputfile;
|
|
begin
|
|
if not ((cs_debuginfo in aktmoduleswitches) or
|
|
(cs_gdb_lineinfo in aktglobalswitches)) then
|
|
exit;
|
|
{ file changed ? (must be before line info) }
|
|
if (fileinfo.fileindex<>0) and
|
|
(stabslastfileinfo.fileindex<>fileinfo.fileindex) then
|
|
begin
|
|
infile:=current_module.sourcefiles.get_file(fileinfo.fileindex);
|
|
if includecount=0 then
|
|
curr_n:=n_sourcefile
|
|
else
|
|
curr_n:=n_includefile;
|
|
{ get symbol for this includefile }
|
|
hp:=newasmsymboltype('Ltext'+ToStr(IncludeCount),AB_LOCAL,AT_FUNCTION);
|
|
if currpass=1 then
|
|
begin
|
|
hp.setaddress(currpass,objectalloc.currsec,objectalloc.sectionsize,0);
|
|
UsedAsmSymbolListInsert(hp);
|
|
end
|
|
else
|
|
objectdata.writesymbol(hp);
|
|
{ emit stabs }
|
|
if (infile.path^<>'') then
|
|
EmitStabs('"'+lower(BsToSlash(FixPath(infile.path^,false)))+'",'+tostr(curr_n)+
|
|
',0,0,Ltext'+ToStr(IncludeCount));
|
|
EmitStabs('"'+lower(FixFileName(infile.name^))+'",'+tostr(curr_n)+
|
|
',0,0,Ltext'+ToStr(IncludeCount));
|
|
inc(includecount);
|
|
end;
|
|
{ line changed ? }
|
|
if (stabslastfileinfo.line<>fileinfo.line) and (fileinfo.line<>0) then
|
|
emitlineinfostabs(n_line,fileinfo.line);
|
|
stabslastfileinfo:=fileinfo;
|
|
end;
|
|
|
|
|
|
procedure TInternalAssembler.StartFileLineInfo;
|
|
var
|
|
fileinfo : tfileposinfo;
|
|
begin
|
|
FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
|
|
n_line:=n_textline;
|
|
funcname:=nil;
|
|
linecount:=1;
|
|
includecount:=0;
|
|
fileinfo.fileindex:=1;
|
|
fileinfo.line:=1;
|
|
WriteFileLineInfo(fileinfo);
|
|
end;
|
|
|
|
|
|
procedure TInternalAssembler.EndFileLineInfo;
|
|
var
|
|
hp : tasmsymbol;
|
|
store_sec : tsection;
|
|
begin
|
|
if not ((cs_debuginfo in aktmoduleswitches) or
|
|
(cs_gdb_lineinfo in aktglobalswitches)) then
|
|
exit;
|
|
store_sec:=objectalloc.currsec;
|
|
objectalloc.setsection(sec_code);
|
|
hp:=newasmsymboltype('Letext',AB_LOCAL,AT_FUNCTION);
|
|
if currpass=1 then
|
|
begin
|
|
hp.setaddress(currpass,objectalloc.currsec,objectalloc.sectionsize,0);
|
|
UsedAsmSymbolListInsert(hp);
|
|
end
|
|
else
|
|
objectdata.writesymbol(hp);
|
|
EmitStabs('"",'+tostr(n_sourcefile)+',0,0,Letext');
|
|
objectalloc.setsection(store_sec);
|
|
end;
|
|
{$endif GDB}
|
|
|
|
|
|
function TInternalAssembler.MaybeNextList(var hp:Tai):boolean;
|
|
begin
|
|
{ maybe end of list }
|
|
while not assigned(hp) do
|
|
begin
|
|
if currlistidx<lists then
|
|
begin
|
|
inc(currlistidx);
|
|
currlist:=list[currlistidx];
|
|
hp:=Tai(currList.first);
|
|
end
|
|
else
|
|
begin
|
|
MaybeNextList:=false;
|
|
exit;
|
|
end;
|
|
end;
|
|
MaybeNextList:=true;
|
|
end;
|
|
|
|
|
|
function TInternalAssembler.TreePass0(hp:Tai):Tai;
|
|
var
|
|
l : longint;
|
|
begin
|
|
while assigned(hp) do
|
|
begin
|
|
case hp.typ of
|
|
ait_align :
|
|
begin
|
|
{ always use the maximum fillsize in this pass to avoid possible
|
|
short jumps to become out of range }
|
|
Tai_align(hp).fillsize:=Tai_align(hp).aligntype;
|
|
objectalloc.sectionalloc(Tai_align(hp).fillsize);
|
|
end;
|
|
ait_datablock :
|
|
begin
|
|
if not SmartAsm then
|
|
begin
|
|
if not Tai_datablock(hp).is_global then
|
|
begin
|
|
l:=Tai_datablock(hp).size;
|
|
if l>2 then
|
|
objectalloc.sectionalign(4)
|
|
else if l>1 then
|
|
objectalloc.sectionalign(2);
|
|
objectalloc.sectionalloc(Tai_datablock(hp).size);
|
|
end;
|
|
end
|
|
else
|
|
begin
|
|
l:=Tai_datablock(hp).size;
|
|
if l>2 then
|
|
objectalloc.sectionalign(4)
|
|
else if l>1 then
|
|
objectalloc.sectionalign(2);
|
|
objectalloc.sectionalloc(Tai_datablock(hp).size);
|
|
end;
|
|
end;
|
|
ait_const_32bit :
|
|
objectalloc.sectionalloc(4);
|
|
ait_const_16bit :
|
|
objectalloc.sectionalloc(2);
|
|
ait_const_8bit :
|
|
objectalloc.sectionalloc(1);
|
|
ait_real_80bit :
|
|
objectalloc.sectionalloc(10);
|
|
ait_real_64bit :
|
|
objectalloc.sectionalloc(8);
|
|
ait_real_32bit :
|
|
objectalloc.sectionalloc(4);
|
|
ait_comp_64bit :
|
|
objectalloc.sectionalloc(8);
|
|
ait_const_rva,
|
|
ait_const_symbol :
|
|
objectalloc.sectionalloc(4);
|
|
ait_section:
|
|
objectalloc.setsection(Tai_section(hp).sec);
|
|
ait_symbol :
|
|
Tai_symbol(hp).sym.setaddress(currpass,objectalloc.currsec,objectalloc.sectionsize,0);
|
|
ait_label :
|
|
Tai_label(hp).l.setaddress(currpass,objectalloc.currsec,objectalloc.sectionsize,0);
|
|
ait_string :
|
|
objectalloc.sectionalloc(Tai_string(hp).len);
|
|
ait_instruction :
|
|
begin
|
|
{$ifdef i386}
|
|
{$ifndef NOAG386BIN}
|
|
{ reset instructions which could change in pass 2 }
|
|
Taicpu(hp).resetpass2;
|
|
objectalloc.sectionalloc(Taicpu(hp).Pass1(objectalloc.sectionsize));
|
|
{$endif NOAG386BIN}
|
|
{$endif i386}
|
|
end;
|
|
ait_cut :
|
|
if SmartAsm then
|
|
break;
|
|
end;
|
|
hp:=Tai(hp.next);
|
|
end;
|
|
TreePass0:=hp;
|
|
end;
|
|
|
|
|
|
function TInternalAssembler.TreePass1(hp:Tai):Tai;
|
|
var
|
|
i,l : longint;
|
|
begin
|
|
while assigned(hp) do
|
|
begin
|
|
{$ifdef GDB}
|
|
{ write stabs }
|
|
if ((cs_debuginfo in aktmoduleswitches) or
|
|
(cs_gdb_lineinfo in aktglobalswitches)) then
|
|
begin
|
|
if (objectalloc.currsec<>sec_none) and
|
|
not(hp.typ in [
|
|
ait_label,
|
|
ait_regalloc,ait_tempalloc,
|
|
ait_stabn,ait_stabs,ait_section,
|
|
ait_cut,ait_marker,ait_align,ait_stab_function_name]) then
|
|
WriteFileLineInfo(hp.fileinfo);
|
|
end;
|
|
{$endif GDB}
|
|
case hp.typ of
|
|
ait_align :
|
|
begin
|
|
{ here we must determine the fillsize which is used in pass2 }
|
|
Tai_align(hp).fillsize:=align(objectalloc.sectionsize,Tai_align(hp).aligntype)-
|
|
objectalloc.sectionsize;
|
|
objectalloc.sectionalloc(Tai_align(hp).fillsize);
|
|
end;
|
|
ait_datablock :
|
|
begin
|
|
if objectalloc.currsec<>sec_bss then
|
|
Message(asmw_e_alloc_data_only_in_bss);
|
|
if not SmartAsm then
|
|
begin
|
|
if Tai_datablock(hp).is_global then
|
|
begin
|
|
Tai_datablock(hp).sym.setaddress(currpass,sec_none,Tai_datablock(hp).size,Tai_datablock(hp).size);
|
|
{ force to be common/external, must be after setaddress as that would
|
|
set it to AS_GLOBAL }
|
|
Tai_datablock(hp).sym.bind:=AB_COMMON;
|
|
end
|
|
else
|
|
begin
|
|
l:=Tai_datablock(hp).size;
|
|
if l>2 then
|
|
objectalloc.sectionalign(4)
|
|
else if l>1 then
|
|
objectalloc.sectionalign(2);
|
|
Tai_datablock(hp).sym.setaddress(currpass,objectalloc.currsec,objectalloc.sectionsize,
|
|
Tai_datablock(hp).size);
|
|
objectalloc.sectionalloc(Tai_datablock(hp).size);
|
|
end;
|
|
end
|
|
else
|
|
begin
|
|
l:=Tai_datablock(hp).size;
|
|
if l>2 then
|
|
objectalloc.sectionalign(4)
|
|
else if l>1 then
|
|
objectalloc.sectionalign(2);
|
|
Tai_datablock(hp).sym.setaddress(currpass,objectalloc.currsec,objectalloc.sectionsize,Tai_datablock(hp).size);
|
|
objectalloc.sectionalloc(Tai_datablock(hp).size);
|
|
end;
|
|
UsedAsmSymbolListInsert(Tai_datablock(hp).sym);
|
|
end;
|
|
ait_const_32bit :
|
|
objectalloc.sectionalloc(4);
|
|
ait_const_16bit :
|
|
objectalloc.sectionalloc(2);
|
|
ait_const_8bit :
|
|
objectalloc.sectionalloc(1);
|
|
ait_real_80bit :
|
|
objectalloc.sectionalloc(10);
|
|
ait_real_64bit :
|
|
objectalloc.sectionalloc(8);
|
|
ait_real_32bit :
|
|
objectalloc.sectionalloc(4);
|
|
ait_comp_64bit :
|
|
objectalloc.sectionalloc(8);
|
|
ait_const_rva,
|
|
ait_const_symbol :
|
|
begin
|
|
objectalloc.sectionalloc(4);
|
|
UsedAsmSymbolListInsert(Tai_const_symbol(hp).sym);
|
|
end;
|
|
ait_section:
|
|
begin
|
|
objectalloc.setsection(Tai_section(hp).sec);
|
|
{$ifdef GDB}
|
|
case Tai_section(hp).sec of
|
|
sec_code : n_line:=n_textline;
|
|
sec_data : n_line:=n_dataline;
|
|
sec_bss : n_line:=n_bssline;
|
|
else
|
|
n_line:=n_dataline;
|
|
end;
|
|
stabslastfileinfo.line:=-1;
|
|
{$endif GDB}
|
|
end;
|
|
{$ifdef GDB}
|
|
ait_stabn :
|
|
convertstabs(Tai_stabn(hp).str);
|
|
ait_stabs :
|
|
convertstabs(Tai_stabs(hp).str);
|
|
ait_stab_function_name :
|
|
begin
|
|
if assigned(Tai_stab_function_name(hp).str) then
|
|
begin
|
|
funcname:=getasmsymbol(strpas(Tai_stab_function_name(hp).str));
|
|
UsedAsmSymbolListInsert(funcname);
|
|
end
|
|
else
|
|
funcname:=nil;
|
|
end;
|
|
ait_force_line :
|
|
stabslastfileinfo.line:=0;
|
|
{$endif}
|
|
ait_symbol :
|
|
begin
|
|
Tai_symbol(hp).sym.setaddress(currpass,objectalloc.currsec,objectalloc.sectionsize,0);
|
|
UsedAsmSymbolListInsert(Tai_symbol(hp).sym);
|
|
end;
|
|
ait_symbol_end :
|
|
begin
|
|
if target_info.target=target_i386_linux then
|
|
begin
|
|
Tai_symbol(hp).sym.size:=objectalloc.sectionsize-Tai_symbol(hp).sym.address;
|
|
UsedAsmSymbolListInsert(Tai_symbol(hp).sym);
|
|
end;
|
|
end;
|
|
ait_label :
|
|
begin
|
|
Tai_label(hp).l.setaddress(currpass,objectalloc.currsec,objectalloc.sectionsize,0);
|
|
UsedAsmSymbolListInsert(Tai_label(hp).l);
|
|
end;
|
|
ait_string :
|
|
objectalloc.sectionalloc(Tai_string(hp).len);
|
|
ait_instruction :
|
|
begin
|
|
{$ifdef i386}
|
|
{$ifndef NOAG386BIN}
|
|
objectalloc.sectionalloc(Taicpu(hp).Pass1(objectalloc.sectionsize));
|
|
{ fixup the references }
|
|
for i:=1 to Taicpu(hp).ops do
|
|
begin
|
|
with Taicpu(hp).oper[i-1] do
|
|
begin
|
|
case typ of
|
|
top_ref :
|
|
begin
|
|
if assigned(ref^.symbol) then
|
|
UsedAsmSymbolListInsert(ref^.symbol);
|
|
end;
|
|
top_symbol :
|
|
begin
|
|
if sym=nil then
|
|
sym:=sym;
|
|
UsedAsmSymbolListInsert(sym);
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
{$endif NOAG386BIN}
|
|
{$endif i386}
|
|
end;
|
|
ait_direct :
|
|
Message(asmw_f_direct_not_supported);
|
|
ait_cut :
|
|
if SmartAsm then
|
|
break;
|
|
end;
|
|
hp:=Tai(hp.next);
|
|
end;
|
|
TreePass1:=hp;
|
|
end;
|
|
|
|
|
|
function TInternalAssembler.TreePass2(hp:Tai):Tai;
|
|
var
|
|
l : longint;
|
|
{$ifdef i386}
|
|
co : comp;
|
|
{$endif i386}
|
|
begin
|
|
{ main loop }
|
|
while assigned(hp) do
|
|
begin
|
|
{$ifdef GDB}
|
|
{ write stabs }
|
|
if ((cs_debuginfo in aktmoduleswitches) or
|
|
(cs_gdb_lineinfo in aktglobalswitches)) then
|
|
begin
|
|
if (objectdata.currsec<>sec_none) and
|
|
not(hp.typ in [
|
|
ait_label,
|
|
ait_regalloc,ait_tempalloc,
|
|
ait_stabn,ait_stabs,ait_section,
|
|
ait_cut,ait_marker,ait_align,ait_stab_function_name]) then
|
|
WriteFileLineInfo(hp.fileinfo);
|
|
end;
|
|
{$endif GDB}
|
|
case hp.typ of
|
|
ait_align :
|
|
begin
|
|
if objectdata.currsec=sec_bss then
|
|
objectdata.alloc(Tai_align(hp).fillsize)
|
|
else
|
|
objectdata.writebytes(Tai_align(hp).getfillbuf^,Tai_align(hp).fillsize);
|
|
end;
|
|
ait_section :
|
|
begin
|
|
objectdata.defaultsection(Tai_section(hp).sec);
|
|
{$ifdef GDB}
|
|
case Tai_section(hp).sec of
|
|
sec_code : n_line:=n_textline;
|
|
sec_data : n_line:=n_dataline;
|
|
sec_bss : n_line:=n_bssline;
|
|
else
|
|
n_line:=n_dataline;
|
|
end;
|
|
stabslastfileinfo.line:=-1;
|
|
{$endif GDB}
|
|
end;
|
|
ait_symbol :
|
|
begin
|
|
objectdata.writesymbol(Tai_symbol(hp).sym);
|
|
objectoutput.exportsymbol(Tai_symbol(hp).sym);
|
|
end;
|
|
ait_datablock :
|
|
begin
|
|
objectdata.writesymbol(Tai_datablock(hp).sym);
|
|
objectoutput.exportsymbol(Tai_datablock(hp).sym);
|
|
if SmartAsm or (not Tai_datablock(hp).is_global) then
|
|
begin
|
|
l:=Tai_datablock(hp).size;
|
|
if l>2 then
|
|
objectdata.allocalign(4)
|
|
else if l>1 then
|
|
objectdata.allocalign(2);
|
|
objectdata.alloc(Tai_datablock(hp).size);
|
|
end;
|
|
end;
|
|
ait_const_32bit :
|
|
objectdata.writebytes(Tai_const(hp).value,4);
|
|
ait_const_16bit :
|
|
objectdata.writebytes(Tai_const(hp).value,2);
|
|
ait_const_8bit :
|
|
objectdata.writebytes(Tai_const(hp).value,1);
|
|
ait_real_80bit :
|
|
objectdata.writebytes(Tai_real_80bit(hp).value,10);
|
|
ait_real_64bit :
|
|
objectdata.writebytes(Tai_real_64bit(hp).value,8);
|
|
ait_real_32bit :
|
|
objectdata.writebytes(Tai_real_32bit(hp).value,4);
|
|
ait_comp_64bit :
|
|
begin
|
|
{$ifdef i386}
|
|
{$ifdef FPC}
|
|
co:=comp(Tai_comp_64bit(hp).value);
|
|
{$else}
|
|
co:=Tai_comp_64bit(hp).value;
|
|
{$endif}
|
|
objectdata.writebytes(co,8);
|
|
{$endif i386}
|
|
end;
|
|
ait_string :
|
|
objectdata.writebytes(Tai_string(hp).str^,Tai_string(hp).len);
|
|
ait_const_rva :
|
|
objectdata.writereloc(Tai_const_symbol(hp).offset,4,
|
|
Tai_const_symbol(hp).sym,relative_rva);
|
|
ait_const_symbol :
|
|
objectdata.writereloc(Tai_const_symbol(hp).offset,4,
|
|
Tai_const_symbol(hp).sym,relative_false);
|
|
ait_label :
|
|
begin
|
|
objectdata.writesymbol(Tai_label(hp).l);
|
|
{ exporting shouldn't be necessary as labels are local,
|
|
but it's better to be on the safe side (PFV) }
|
|
objectoutput.exportsymbol(Tai_label(hp).l);
|
|
end;
|
|
{$ifdef i386}
|
|
{$ifndef NOAG386BIN}
|
|
ait_instruction :
|
|
Taicpu(hp).Pass2;
|
|
{$endif NOAG386BIN}
|
|
{$endif i386}
|
|
{$ifdef GDB}
|
|
ait_stabn :
|
|
convertstabs(Tai_stabn(hp).str);
|
|
ait_stabs :
|
|
convertstabs(Tai_stabs(hp).str);
|
|
ait_stab_function_name :
|
|
if assigned(Tai_stab_function_name(hp).str) then
|
|
funcname:=getasmsymbol(strpas(Tai_stab_function_name(hp).str))
|
|
else
|
|
funcname:=nil;
|
|
ait_force_line :
|
|
stabslastfileinfo.line:=0;
|
|
{$endif}
|
|
ait_cut :
|
|
if SmartAsm then
|
|
break;
|
|
end;
|
|
hp:=Tai(hp.next);
|
|
end;
|
|
TreePass2:=hp;
|
|
end;
|
|
|
|
|
|
procedure TInternalAssembler.writetree;
|
|
var
|
|
hp : Tai;
|
|
label
|
|
doexit;
|
|
begin
|
|
objectalloc.resetsections;
|
|
objectalloc.setsection(sec_code);
|
|
|
|
objectoutput.initwriting(ObjFile);
|
|
objectdata:=objectoutput.data;
|
|
objectdata.defaultsection(sec_code);
|
|
{ reset the asmsymbol list }
|
|
CreateUsedAsmsymbolList;
|
|
|
|
{$ifdef MULTIPASS}
|
|
{ Pass 0 }
|
|
currpass:=0;
|
|
objectalloc.setsection(sec_code);
|
|
{ start with list 1 }
|
|
currlistidx:=1;
|
|
currlist:=list[currlistidx];
|
|
hp:=Tai(currList.first);
|
|
while assigned(hp) do
|
|
begin
|
|
hp:=TreePass0(hp);
|
|
MaybeNextList(hp);
|
|
end;
|
|
{ leave if errors have occured }
|
|
if errorcount>0 then
|
|
goto doexit;
|
|
{$endif}
|
|
|
|
{ Pass 1 }
|
|
currpass:=1;
|
|
objectalloc.resetsections;
|
|
objectalloc.setsection(sec_code);
|
|
{$ifdef GDB}
|
|
StartFileLineInfo;
|
|
{$endif GDB}
|
|
{ start with list 1 }
|
|
currlistidx:=1;
|
|
currlist:=list[currlistidx];
|
|
hp:=Tai(currList.first);
|
|
while assigned(hp) do
|
|
begin
|
|
hp:=TreePass1(hp);
|
|
MaybeNextList(hp);
|
|
end;
|
|
{$ifdef GDB}
|
|
EndFileLineInfo;
|
|
{$endif GDB}
|
|
{ check for undefined labels and reset }
|
|
UsedAsmSymbolListCheckUndefined;
|
|
|
|
{ set section sizes }
|
|
objectdata.setsectionsizes(objectalloc.secsize);
|
|
{ leave if errors have occured }
|
|
if errorcount>0 then
|
|
goto doexit;
|
|
|
|
{ Pass 2 }
|
|
currpass:=2;
|
|
{$ifdef GDB}
|
|
StartFileLineInfo;
|
|
{$endif GDB}
|
|
{ start with list 1 }
|
|
currlistidx:=1;
|
|
currlist:=list[currlistidx];
|
|
hp:=Tai(currList.first);
|
|
while assigned(hp) do
|
|
begin
|
|
hp:=TreePass2(hp);
|
|
MaybeNextList(hp);
|
|
end;
|
|
{$ifdef GDB}
|
|
EndFileLineInfo;
|
|
{$endif GDB}
|
|
|
|
{ leave if errors have occured }
|
|
if errorcount>0 then
|
|
goto doexit;
|
|
|
|
{ write last objectfile }
|
|
objectoutput.donewriting;
|
|
objectdata:=nil;
|
|
|
|
doexit:
|
|
{ reset the used symbols back, must be after the .o has been
|
|
written }
|
|
UsedAsmsymbolListReset;
|
|
DestroyUsedAsmsymbolList;
|
|
end;
|
|
|
|
|
|
procedure TInternalAssembler.writetreesmart;
|
|
var
|
|
hp : Tai;
|
|
startsec : tsection;
|
|
place: tcutplace;
|
|
begin
|
|
objectalloc.resetsections;
|
|
objectalloc.setsection(sec_code);
|
|
|
|
NextSmartName(cut_normal);
|
|
objectoutput.initwriting(ObjFile);
|
|
objectdata:=objectoutput.data;
|
|
objectdata.defaultsection(sec_code);
|
|
startsec:=sec_code;
|
|
|
|
{ start with list 1 }
|
|
currlistidx:=1;
|
|
currlist:=list[currlistidx];
|
|
hp:=Tai(currList.first);
|
|
while assigned(hp) do
|
|
begin
|
|
{ reset the asmsymbol list }
|
|
CreateUsedAsmSymbolList;
|
|
|
|
{$ifdef MULTIPASS}
|
|
{ Pass 0 }
|
|
currpass:=0;
|
|
objectalloc.resetsections;
|
|
objectalloc.setsection(startsec);
|
|
TreePass0(hp);
|
|
{ leave if errors have occured }
|
|
if errorcount>0 then
|
|
exit;
|
|
{$endif MULTIPASS}
|
|
|
|
{ Pass 1 }
|
|
currpass:=1;
|
|
objectalloc.resetsections;
|
|
objectalloc.setsection(startsec);
|
|
{$ifdef GDB}
|
|
StartFileLineInfo;
|
|
{$endif GDB}
|
|
TreePass1(hp);
|
|
{$ifdef GDB}
|
|
EndFileLineInfo;
|
|
{$endif GDB}
|
|
{ check for undefined labels }
|
|
UsedAsmSymbolListCheckUndefined;
|
|
|
|
{ set section sizes }
|
|
objectdata.setsectionsizes(objectalloc.secsize);
|
|
{ leave if errors have occured }
|
|
if errorcount>0 then
|
|
exit;
|
|
|
|
{ Pass 2 }
|
|
currpass:=2;
|
|
objectdata.defaultsection(startsec);
|
|
{$ifdef GDB}
|
|
StartFileLineInfo;
|
|
{$endif GDB}
|
|
hp:=TreePass2(hp);
|
|
{$ifdef GDB}
|
|
EndFileLineInfo;
|
|
{$endif GDB}
|
|
{ leave if errors have occured }
|
|
if errorcount>0 then
|
|
exit;
|
|
|
|
{ if not end then write the current objectfile }
|
|
objectoutput.donewriting;
|
|
objectdata:=nil;
|
|
|
|
{ reset the used symbols back, must be after the .o has been
|
|
written }
|
|
UsedAsmsymbolListReset;
|
|
DestroyUsedAsmsymbolList;
|
|
|
|
{ end of lists? }
|
|
if not MaybeNextList(hp) then
|
|
break;
|
|
{ save section for next loop }
|
|
{ this leads to a problem if startsec is sec_none !! PM }
|
|
startsec:=objectalloc.currsec;
|
|
|
|
{ we will start a new objectfile so reset everything }
|
|
{ The place can still change in the next while loop, so don't init }
|
|
{ the writer yet (JM) }
|
|
if (hp.typ=ait_cut) then
|
|
place := Tai_cut(hp).place
|
|
else
|
|
place := cut_normal;
|
|
|
|
{ avoid empty files }
|
|
while assigned(hp) and
|
|
(Tai(hp).typ in [ait_marker,ait_comment,ait_section,ait_cut]) do
|
|
begin
|
|
if Tai(hp).typ=ait_section then
|
|
startsec:=Tai_section(hp).sec
|
|
else if (Tai(hp).typ=ait_cut) then
|
|
place := Tai_cut(hp).place;
|
|
hp:=Tai(hp.next);
|
|
end;
|
|
|
|
NextSmartName(place);
|
|
objectoutput.initwriting(ObjFile);
|
|
objectdata:=objectoutput.data;
|
|
|
|
{ there is a problem if startsec is sec_none !! PM }
|
|
if startsec=sec_none then
|
|
startsec:=sec_code;
|
|
|
|
if not MaybeNextList(hp) then
|
|
break;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TInternalAssembler.MakeObject;
|
|
|
|
procedure addlist(p:TAAsmoutput);
|
|
begin
|
|
inc(lists);
|
|
list[lists]:=p;
|
|
end;
|
|
|
|
begin
|
|
if cs_debuginfo in aktmoduleswitches then
|
|
addlist(debuglist);
|
|
addlist(codesegment);
|
|
addlist(datasegment);
|
|
addlist(consts);
|
|
addlist(rttilist);
|
|
if assigned(resourcestringlist) then
|
|
addlist(resourcestringlist);
|
|
addlist(bsssegment);
|
|
if assigned(importssection) then
|
|
addlist(importssection);
|
|
if assigned(exportssection) and not UseDeffileForExport then
|
|
addlist(exportssection);
|
|
if assigned(resourcesection) then
|
|
addlist(resourcesection);
|
|
|
|
if SmartAsm then
|
|
writetreesmart
|
|
else
|
|
writetree;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
Generate Assembler Files Main Procedure
|
|
*****************************************************************************}
|
|
|
|
Procedure GenerateAsm(smart:boolean);
|
|
var
|
|
a : TAssembler;
|
|
begin
|
|
if not assigned(CAssembler[target_asm.id]) then
|
|
Message(asmw_f_assembler_output_not_supported);
|
|
a:=CAssembler[target_asm.id].Create(smart);
|
|
a.MakeObject;
|
|
a.Free;
|
|
end;
|
|
|
|
|
|
Procedure OnlyAsm;
|
|
var
|
|
a : TExternalAssembler;
|
|
begin
|
|
a:=TExternalAssembler.Create(false);
|
|
a.DoAssemble;
|
|
a.Free;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
Init/Done
|
|
*****************************************************************************}
|
|
|
|
procedure RegisterAssembler(const r:tasminfo;c:TAssemblerClass);
|
|
var
|
|
t : tasm;
|
|
begin
|
|
t:=r.id;
|
|
if assigned(asminfos[t]) then
|
|
writeln('Warning: Assembler is already registered!')
|
|
else
|
|
Getmem(asminfos[t],sizeof(tasminfo));
|
|
asminfos[t]^:=r;
|
|
CAssembler[t]:=c;
|
|
end;
|
|
|
|
|
|
procedure InitAssembler;
|
|
begin
|
|
{ target_asm is already set by readarguments }
|
|
initoutputformat:=target_asm.id;
|
|
aktoutputformat:=target_asm.id;
|
|
end;
|
|
|
|
|
|
procedure DoneAssembler;
|
|
begin
|
|
end;
|
|
|
|
end.
|
|
{
|
|
$Log$
|
|
Revision 1.29 2001-11-06 14:53:48 jonas
|
|
* compiles again with -dmemdebug
|
|
|
|
Revision 1.28 2001/09/18 11:30:47 michael
|
|
* Fixes win32 linking problems with import libraries
|
|
* LINKLIB Libraries are now looked for using C file extensions
|
|
* get_exepath fix
|
|
|
|
Revision 1.27 2001/09/17 21:29:10 peter
|
|
* merged netbsd, fpu-overflow from fixes branch
|
|
|
|
Revision 1.26 2001/08/30 20:57:09 peter
|
|
* asbsd merged
|
|
|
|
Revision 1.25 2001/08/30 19:43:50 peter
|
|
* detect duplicate labels
|
|
|
|
Revision 1.24 2001/08/26 13:36:35 florian
|
|
* some cg reorganisation
|
|
* some PPC updates
|
|
|
|
Revision 1.23 2001/08/07 18:47:12 peter
|
|
* merged netbsd start
|
|
* profile for win32
|
|
|
|
Revision 1.22 2001/07/01 20:16:15 peter
|
|
* alignmentinfo record added
|
|
* -Oa argument supports more alignment settings that can be specified
|
|
per type: PROC,LOOP,VARMIN,VARMAX,CONSTMIN,CONSTMAX,RECORDMIN
|
|
RECORDMAX,LOCALMIN,LOCALMAX. It is possible to set the mimimum
|
|
required alignment and the maximum usefull alignment. The final
|
|
alignment will be choosen per variable size dependent on these
|
|
settings
|
|
|
|
Revision 1.21 2001/06/18 20:36:23 peter
|
|
* -Ur switch (merged)
|
|
* masm fixes (merged)
|
|
* quoted filenames for go32v2 and win32
|
|
|
|
Revision 1.20 2001/06/13 18:31:57 peter
|
|
* smartlink with dll fixed (merged)
|
|
|
|
Revision 1.19 2001/04/21 15:34:49 peter
|
|
* used target_asm.id instead of target_info.assem
|
|
|
|
Revision 1.18 2001/04/18 22:01:53 peter
|
|
* registration of targets and assemblers
|
|
|
|
Revision 1.17 2001/04/13 01:22:06 peter
|
|
* symtable change to classes
|
|
* range check generation and errors fixed, make cycle DEBUG=1 works
|
|
* memory leaks fixed
|
|
|
|
Revision 1.16 2001/03/13 18:42:39 peter
|
|
* don't create temporary smartlink dir for internalassembler
|
|
|
|
Revision 1.15 2001/03/05 21:39:11 peter
|
|
* changed to class with common TAssembler also for internal assembler
|
|
|
|
Revision 1.14 2001/02/26 08:08:16 michael
|
|
* bug correction: pipes must be closed by pclose (not close);
|
|
There was too many not closed processes under Linux before patch.
|
|
Test this by making a compiler under Linux with command
|
|
OPT="-P" make
|
|
and check a list of processes in another shell with
|
|
ps -xa
|
|
|
|
Revision 1.13 2001/02/20 21:36:39 peter
|
|
* tasm/masm fixes merged
|
|
|
|
Revision 1.12 2001/02/09 23:06:17 peter
|
|
* fixed uninited var
|
|
|
|
Revision 1.11 2001/02/05 20:46:59 peter
|
|
* support linux unit for ver1_0 compilers
|
|
|
|
Revision 1.10 2001/01/21 20:32:45 marco
|
|
* Renamefest. Compiler part. Not that hard.
|
|
|
|
Revision 1.9 2001/01/12 19:19:44 peter
|
|
* fixed searching for utils
|
|
|
|
Revision 1.8 2000/12/25 00:07:25 peter
|
|
+ new tlinkedlist class (merge of old tstringqueue,tcontainer and
|
|
tlinkedlist objects)
|
|
|
|
Revision 1.7 2000/11/13 15:26:12 marco
|
|
* Renamefest
|
|
|
|
Revision 1.6 2000/10/01 19:48:23 peter
|
|
* lot of compile updates for cg11
|
|
|
|
Revision 1.5 2000/09/24 15:06:11 peter
|
|
* use defines.inc
|
|
|
|
Revision 1.4 2000/08/27 16:11:49 peter
|
|
* moved some util functions from globals,cobjects to cutils
|
|
* splitted files into finput,fmodule
|
|
|
|
Revision 1.3 2000/07/13 12:08:24 michael
|
|
+ patched to 1.1.0 with former 1.09patch from peter
|
|
|
|
Revision 1.2 2000/07/13 11:32:32 michael
|
|
+ removed logs
|
|
|
|
}
|