mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-17 10:19:28 +02:00
861 lines
30 KiB
ObjectPascal
861 lines
30 KiB
ObjectPascal
{
|
|
$Id$
|
|
Copyright (c) 1996,97 by Florian Klaempfl
|
|
|
|
This unit implements an asmoutput class for the Nasm assembler with
|
|
Intel syntax for the i386+
|
|
|
|
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.
|
|
|
|
****************************************************************************
|
|
}
|
|
{$ifdef TP}
|
|
{$N+,E+}
|
|
{$endif}
|
|
unit ag386nsm;
|
|
|
|
interface
|
|
|
|
uses aasm,assemble;
|
|
|
|
type
|
|
pi386nasmasmlist=^ti386nasmasmlist;
|
|
ti386nasmasmlist = object(tasmlist)
|
|
procedure WriteTree(p:paasmoutput);virtual;
|
|
procedure WriteAsmList;virtual;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
dos,globals,systems,cobjects,
|
|
{$ifndef OLDASM}
|
|
i386base,i386asm,
|
|
{$else}
|
|
i386,
|
|
{$endif}
|
|
strings,files,verbose
|
|
{$ifdef GDB}
|
|
,gdb
|
|
{$endif GDB}
|
|
;
|
|
|
|
const
|
|
line_length = 70;
|
|
|
|
extstr : array[EXT_NEAR..EXT_ABS] of String[8] =
|
|
('NEAR','FAR','PROC','BYTE','WORD','DWORD',
|
|
'CODEPTR','DATAPTR','FWORD','PWORD','QWORD','TBYTE','ABS');
|
|
|
|
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
|
|
{$ifdef TP}
|
|
c:=d;
|
|
{$else TP}
|
|
{$ifdef Delphi}
|
|
c:=d;
|
|
{$else Delphi}
|
|
c:=comp(d);
|
|
{$endif Delphi}
|
|
{$endif TP}
|
|
dd:=pdouble(@c); { this makes a bitwise copy of c into a double }
|
|
comp2str:=double2str(dd^);
|
|
end;
|
|
|
|
|
|
function getreferencestring(const ref : treference) : string;
|
|
var
|
|
s : string;
|
|
first : boolean;
|
|
begin
|
|
if ref.is_immediate then
|
|
begin
|
|
getreferencestring:=tostr(ref.offset);
|
|
exit;
|
|
end
|
|
else
|
|
with ref do
|
|
begin
|
|
first:=true;
|
|
if ref.segment<>R_DEFAULT_SEG then
|
|
s:='['+int_reg2str[segment]+':'
|
|
else
|
|
s:='[';
|
|
if assigned(symbol) then
|
|
begin
|
|
s:=s+symbol^.name;
|
|
first:=false;
|
|
end;
|
|
if (base<>R_NO) then
|
|
begin
|
|
if not(first) then
|
|
s:=s+'+'
|
|
else
|
|
first:=false;
|
|
s:=s+int_reg2str[base];
|
|
end;
|
|
if (index<>R_NO) then
|
|
begin
|
|
if not(first) then
|
|
s:=s+'+'
|
|
else
|
|
first:=false;
|
|
s:=s+int_reg2str[index];
|
|
if scalefactor<>0 then
|
|
s:=s+'*'+tostr(scalefactor);
|
|
end;
|
|
if offset<0 then
|
|
s:=s+tostr(offset)
|
|
else if (offset>0) then
|
|
s:=s+'+'+tostr(offset);
|
|
s:=s+']';
|
|
end;
|
|
getreferencestring:=s;
|
|
end;
|
|
|
|
{$ifndef OLDASM}
|
|
|
|
function getopstr(const o:toper;s : topsize; opcode: tasmop;dest : boolean) : string;
|
|
var
|
|
hs : string;
|
|
begin
|
|
case o.typ of
|
|
top_reg :
|
|
getopstr:=int_nasmreg2str[o.reg];
|
|
top_const :
|
|
getopstr:=tostr(o.val);
|
|
top_symbol :
|
|
begin
|
|
hs:='dword '+o.sym^.name;
|
|
if o.symofs>0 then
|
|
hs:=hs+'+'+tostr(o.symofs)
|
|
else
|
|
if o.symofs<0 then
|
|
hs:=hs+tostr(o.symofs);
|
|
getopstr:=hs;
|
|
end;
|
|
top_ref :
|
|
begin
|
|
hs:=getreferencestring(o.ref^);
|
|
if not ((opcode = A_LEA) or (opcode = A_LGS) or
|
|
(opcode = A_LSS) or (opcode = A_LFS) or
|
|
(opcode = A_LES) or (opcode = A_LDS) or
|
|
(opcode = A_SHR) or (opcode = A_SHL) or
|
|
(opcode = A_SAR) or (opcode = A_SAL) or
|
|
(opcode = A_OUT) or (opcode = A_IN)) then
|
|
begin
|
|
case s of
|
|
S_B : hs:='byte '+hs;
|
|
S_W : hs:='word '+hs;
|
|
S_L : hs:='dword '+hs;
|
|
S_IS : hs:='word '+hs;
|
|
S_IL : hs:='dword '+hs;
|
|
S_IQ : hs:='qword '+hs;
|
|
S_FS : hs:='dword '+hs;
|
|
S_FL : hs:='qword '+hs;
|
|
S_FX : hs:='tword '+hs;
|
|
S_BW : if dest then
|
|
hs:='word '+hs
|
|
else
|
|
hs:='byte '+hs;
|
|
S_BL : if dest then
|
|
hs:='dword '+hs
|
|
else
|
|
hs:='byte '+hs;
|
|
S_WL : if dest then
|
|
hs:='dword '+hs
|
|
else
|
|
hs:='word '+hs;
|
|
end
|
|
end;
|
|
getopstr:=hs;
|
|
end;
|
|
else
|
|
internalerror(10001);
|
|
end;
|
|
end;
|
|
|
|
function getopstr_jmp(const o:toper) : string;
|
|
var
|
|
hs : string;
|
|
begin
|
|
case o.typ of
|
|
top_reg :
|
|
getopstr_jmp:=int_nasmreg2str[o.reg];
|
|
top_ref :
|
|
getopstr_jmp:=getreferencestring(o.ref^);
|
|
top_const :
|
|
getopstr_jmp:=tostr(o.val);
|
|
top_symbol :
|
|
begin
|
|
hs:=o.sym^.name;
|
|
if o.symofs>0 then
|
|
hs:=hs+'+'+tostr(o.symofs)
|
|
else
|
|
if o.symofs<0 then
|
|
hs:=hs+tostr(o.symofs);
|
|
getopstr_jmp:=hs;
|
|
end;
|
|
else
|
|
internalerror(10001);
|
|
end;
|
|
end;
|
|
|
|
{$else}
|
|
|
|
function getopstr(t : byte;o : pointer;opofs:longint;s : topsize; opcode: tasmop;dest : boolean) : string;
|
|
var
|
|
hs : string;
|
|
begin
|
|
case t of
|
|
top_reg : getopstr:=int_nasmreg2str[tregister(o)];
|
|
top_const,
|
|
top_ref : begin
|
|
if t=top_const then
|
|
hs := tostr(longint(o))
|
|
else
|
|
hs:=getreferencestring(preference(o)^);
|
|
if not ((opcode = A_LEA) or (opcode = A_LGS) or
|
|
(opcode = A_LSS) or (opcode = A_LFS) or
|
|
(opcode = A_LES) or (opcode = A_LDS) or
|
|
(opcode = A_SHR) or (opcode = A_SHL) or
|
|
(opcode = A_SAR) or (opcode = A_SAL) or
|
|
(opcode = A_OUT) or (opcode = A_IN)) then
|
|
begin
|
|
case s of
|
|
S_B : hs:='byte '+hs;
|
|
S_W : hs:='word '+hs;
|
|
S_L : hs:='dword '+hs;
|
|
S_IS : hs:='word '+hs;
|
|
S_IL : hs:='dword '+hs;
|
|
S_IQ : hs:='qword '+hs;
|
|
S_FS : hs:='dword '+hs;
|
|
S_FL : hs:='qword '+hs;
|
|
S_FX : hs:='tword '+hs;
|
|
S_BW : if dest then
|
|
hs:='word '+hs
|
|
else
|
|
hs:='byte '+hs;
|
|
S_BL : if dest then
|
|
hs:='dword '+hs
|
|
else
|
|
hs:='byte '+hs;
|
|
S_WL : if dest then
|
|
hs:='dword '+hs
|
|
else
|
|
hs:='word '+hs;
|
|
end
|
|
end;
|
|
getopstr:=hs;
|
|
end;
|
|
top_symbol : begin
|
|
hs:='dword '+pasmsymbol(o)^.name;
|
|
if opofs>0 then
|
|
hs:=hs+'+'+tostr(opofs)
|
|
else
|
|
if opofs<0 then
|
|
hs:=hs+tostr(opofs);
|
|
getopstr:=hs;
|
|
end;
|
|
else
|
|
internalerror(10001);
|
|
end;
|
|
end;
|
|
|
|
function getopstr_jmp(t : byte;o : pointer;opofs:longint) : string;
|
|
var
|
|
hs : string;
|
|
begin
|
|
case t of
|
|
top_reg : getopstr_jmp:=int_reg2str[tregister(o)];
|
|
top_ref : getopstr_jmp:=getreferencestring(preference(o)^);
|
|
top_const : getopstr_jmp:=tostr(longint(o));
|
|
top_symbol : begin
|
|
hs:=pasmsymbol(o)^.name;
|
|
if opofs>0 then
|
|
hs:=hs+'+'+tostr(opofs)
|
|
else
|
|
if opofs<0 then
|
|
hs:=hs+tostr(opofs);
|
|
getopstr_jmp:=hs;
|
|
end;
|
|
else
|
|
internalerror(10001);
|
|
end;
|
|
end;
|
|
|
|
{$endif}
|
|
|
|
|
|
{****************************************************************************
|
|
Ti386nasmasmlist
|
|
****************************************************************************}
|
|
|
|
var
|
|
LastSec : tsection;
|
|
|
|
const
|
|
ait_const2str:array[ait_const_32bit..ait_const_8bit] of string[8]=
|
|
(#9'DD'#9,#9'DW'#9,#9'DB'#9);
|
|
|
|
Function PadTabs(const p:string;addch:char):string;
|
|
var
|
|
s : string;
|
|
i : longint;
|
|
begin
|
|
i:=length(p);
|
|
if addch<>#0 then
|
|
begin
|
|
inc(i);
|
|
s:=p+addch;
|
|
end
|
|
else
|
|
s:=p;
|
|
if i<8 then
|
|
PadTabs:=s+#9#9
|
|
else
|
|
PadTabs:=s+#9;
|
|
end;
|
|
|
|
|
|
procedure ti386nasmasmlist.WriteTree(p:paasmoutput);
|
|
type
|
|
twowords=record
|
|
word1,word2:word;
|
|
end;
|
|
var
|
|
s,
|
|
prefix,
|
|
suffix : string;
|
|
hp : pai;
|
|
counter,
|
|
lines,
|
|
i,j,l : longint;
|
|
op : tasmop;
|
|
consttyp : tait;
|
|
found,
|
|
quoted : boolean;
|
|
{$ifndef OLDASM}
|
|
sep : char;
|
|
{$endif}
|
|
begin
|
|
if not assigned(p) then
|
|
exit;
|
|
hp:=pai(p^.first);
|
|
while assigned(hp) do
|
|
begin
|
|
case hp^.typ of
|
|
ait_comment : Begin
|
|
AsmWrite(target_asm.comment);
|
|
AsmWritePChar(pai_asm_comment(hp)^.str);
|
|
AsmLn;
|
|
End;
|
|
ait_regalloc,
|
|
ait_tempalloc : ;
|
|
ait_section : begin
|
|
if pai_section(hp)^.sec<>sec_none then
|
|
begin
|
|
AsmLn;
|
|
AsmWriteLn('SECTION '+target_asm.secnames[pai_section(hp)^.sec]);
|
|
end;
|
|
LastSec:=pai_section(hp)^.sec;
|
|
end;
|
|
ait_align : AsmWriteLn(#9'ALIGN '+tostr(pai_align(hp)^.aligntype));
|
|
ait_external : AsmWriteLn('EXTERN '+pai_external(hp)^.sym^.name);
|
|
ait_datablock : begin
|
|
if pai_datablock(hp)^.is_global then
|
|
AsmWriteLn(#9'GLOBAL '+pai_datablock(hp)^.sym^.name);
|
|
AsmWriteLn(PadTabs(pai_datablock(hp)^.sym^.name,':')+'RESB'#9+tostr(pai_datablock(hp)^.size));
|
|
end;
|
|
ait_const_32bit,
|
|
ait_const_8bit,
|
|
ait_const_16bit : begin
|
|
AsmWrite(ait_const2str[hp^.typ]+tostr(pai_const(hp)^.value));
|
|
consttyp:=hp^.typ;
|
|
l:=0;
|
|
repeat
|
|
found:=(not (Pai(hp^.next)=nil)) and (Pai(hp^.next)^.typ=consttyp);
|
|
if found then
|
|
begin
|
|
hp:=Pai(hp^.next);
|
|
s:=','+tostr(pai_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+pai_const_symbol(hp)^.sym^.name);
|
|
if pai_const_symbol(hp)^.offset>0 then
|
|
AsmWrite('+'+tostr(pai_const_symbol(hp)^.offset))
|
|
else if pai_const_symbol(hp)^.offset<0 then
|
|
AsmWrite(tostr(pai_const_symbol(hp)^.offset));
|
|
AsmLn;
|
|
end;
|
|
ait_const_rva : begin
|
|
AsmWriteLn(#9#9'RVA'#9+pai_const_symbol(hp)^.sym^.name);
|
|
end;
|
|
ait_real_32bit : AsmWriteLn(#9#9'DD'#9+double2str(pai_single(hp)^.value));
|
|
ait_real_64bit : AsmWriteLn(#9#9'DQ'#9+double2str(pai_double(hp)^.value));
|
|
ait_real_extended : AsmWriteLn(#9#9'DT'#9+extended2str(pai_extended(hp)^.value));
|
|
ait_comp : AsmWriteLn(#9#9'DQ'#9+comp2str(pai_extended(hp)^.value));
|
|
ait_string : begin
|
|
counter := 0;
|
|
lines := pai_string(hp)^.len div line_length;
|
|
{ separate lines in different parts }
|
|
if pai_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(pai_string(hp)^.str[i])>31) and
|
|
(ord(pai_string(hp)^.str[i])<128) and
|
|
(pai_string(hp)^.str[i]<>'"') then
|
|
begin
|
|
if not(quoted) then
|
|
begin
|
|
if i>counter then
|
|
AsmWrite(',');
|
|
AsmWrite('"');
|
|
end;
|
|
AsmWrite(pai_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(pai_string(hp)^.str[i])));
|
|
end;
|
|
end; { end for i:=0 to... }
|
|
if quoted then AsmWrite('"');
|
|
AsmWrite(target_os.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 pai_string(hp)^.len-1 do
|
|
begin
|
|
{ it is an ascii character. }
|
|
if (ord(pai_string(hp)^.str[i])>31) and
|
|
(ord(pai_string(hp)^.str[i])<128) and
|
|
(pai_string(hp)^.str[i]<>'"') then
|
|
begin
|
|
if not(quoted) then
|
|
begin
|
|
if i>counter then
|
|
AsmWrite(',');
|
|
AsmWrite('"');
|
|
end;
|
|
AsmWrite(pai_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(pai_string(hp)^.str[i])));
|
|
end;
|
|
end; { end for i:=0 to... }
|
|
if quoted then
|
|
AsmWrite('"');
|
|
end;
|
|
AsmLn;
|
|
end;
|
|
ait_label : begin
|
|
if pai_label(hp)^.l^.is_used then
|
|
AsmWriteLn(lab2str(pai_label(hp)^.l)+':');
|
|
end;
|
|
ait_direct : begin
|
|
AsmWritePChar(pai_direct(hp)^.str);
|
|
AsmLn;
|
|
end;
|
|
ait_labeled_instruction :
|
|
begin
|
|
op:=pai386_labeled(hp)^.opcode;
|
|
if not((op=A_JMP) or (op=A_LOOP) or (op=A_LOOPZ) or
|
|
(op=A_LOOPE) or (op=A_LOOPNZ) or (op=A_LOOPNE) or
|
|
(op=A_JCXZ) or (op=A_JECXZ)) then
|
|
AsmWriteLn(#9#9+int_op2str[pai386_labeled(hp)^.opcode]+#9+'near '+lab2str(pai386_labeled(hp)^.lab))
|
|
else
|
|
AsmWriteLn(#9#9+int_op2str[pai386_labeled(hp)^.opcode]+#9+lab2str(pai386_labeled(hp)^.lab));
|
|
end;
|
|
ait_symbol : begin
|
|
if pai_symbol(hp)^.is_global then
|
|
AsmWriteLn(#9'GLOBAL '+pai_symbol(hp)^.sym^.name);
|
|
AsmWrite(pai_symbol(hp)^.sym^.name);
|
|
if assigned(hp^.next) and not(pai(hp^.next)^.typ in
|
|
[ait_const_32bit,ait_const_16bit,ait_const_8bit,
|
|
ait_const_symbol,ait_const_rva,
|
|
ait_real_64bit,ait_string]) then
|
|
AsmWriteLn(':')
|
|
end;
|
|
ait_instruction : begin
|
|
suffix:='';
|
|
prefix:='';
|
|
s:='';
|
|
{$ifndef OLDASM}
|
|
if pai386(hp)^.ops<>0 then
|
|
begin
|
|
if pai386(hp)^.opcode=A_CALL then
|
|
s:=#9+getopstr_jmp(pai386(hp)^.oper[0])
|
|
else
|
|
begin
|
|
for i:=0to pai386(hp)^.ops-1 do
|
|
begin
|
|
if i=0 then
|
|
sep:=#9
|
|
else
|
|
sep:=',';
|
|
s:=s+sep+getopstr(pai386(hp)^.oper[i],pai386(hp)^.opsize,pai386(hp)^.opcode,(i=1));
|
|
end;
|
|
end;
|
|
end;
|
|
if pai386(hp)^.opcode=A_FWAIT then
|
|
AsmWriteln(#9#9'DB'#9'09bh')
|
|
else
|
|
AsmWriteLn(#9#9+prefix+int_op2str[pai386(hp)^.opcode]+
|
|
cond2str[pai386_labeled(hp)^.condition]+suffix+s);
|
|
{$else}
|
|
{ added prefix instructions, must be on same line as opcode }
|
|
if (pai386(hp)^.op1t = top_none) and
|
|
((pai386(hp)^.opcode = A_REP) or
|
|
(pai386(hp)^.opcode = A_LOCK) or
|
|
(pai386(hp)^.opcode = A_REPE) or
|
|
(pai386(hp)^.opcode = A_REPNE)) then
|
|
Begin
|
|
prefix:=int_op2str[pai386(hp)^.opcode]+#9;
|
|
hp:=Pai(hp^.next);
|
|
{ this is theorically impossible... }
|
|
if hp=nil then
|
|
begin
|
|
s:=#9#9+prefix;
|
|
AsmWriteLn(s);
|
|
break;
|
|
end;
|
|
{ nasm prefers prefix on a line alone }
|
|
AsmWriteln(#9#9+prefix);
|
|
prefix:='';
|
|
end
|
|
else
|
|
prefix:= '';
|
|
{ A_FNSTS need the w as suffix at least for nasm}
|
|
if (pai386(hp)^.opcode = A_FNSTS) then
|
|
pai386(hp)^.opcode:=A_FNSTSW
|
|
else
|
|
if (pai386(hp)^.opcode = A_FSTS) then
|
|
pai386(hp)^.opcode:=A_FSTSW;
|
|
if pai386(hp)^.op1t<>top_none then
|
|
begin
|
|
if pai386(hp)^.opcode=A_CALL then
|
|
s:=getopstr_jmp(pai386(hp)^.op1t,pai386(hp)^.op1,pai386(hp)^.op1ofs)
|
|
else
|
|
begin
|
|
s:=getopstr(pai386(hp)^.op1t,pai386(hp)^.op1,pai386(hp)^.op1ofs,
|
|
pai386(hp)^.opsize,pai386(hp)^.opcode,false);
|
|
if pai386(hp)^.op3t<>top_none then
|
|
begin
|
|
if pai386(hp)^.op2t<>top_none then
|
|
{$ifdef NO_OP3}
|
|
s:=getopstr(pai386(hp)^.op2t,pointer(longint(twowords(pai386(hp)^.op2).word1)),0,
|
|
pai386(hp)^.opsize,pai386(hp)^.opcode,true)+','+s;
|
|
s:=getopstr(pai386(hp)^.op3t,pointer(longint(twowords(pai386(hp)^.op2).word2)),0,
|
|
pai386(hp)^.opsize,pai386(hp)^.opcode,false)+','+s;
|
|
{$else NO_OP3}
|
|
s:=getopstr(pai386(hp)^.op2t,pai386(hp)^.op2,0,
|
|
pai386(hp)^.opsize,pai386(hp)^.opcode,true)+','+s;
|
|
s:=getopstr(pai386(hp)^.op3t,pai386(hp)^.op3,0,
|
|
pai386(hp)^.opsize,pai386(hp)^.opcode,false)+','+s;
|
|
{$endif NO_OP3}
|
|
end
|
|
else
|
|
if pai386(hp)^.op2t<>top_none then
|
|
s:=getopstr(pai386(hp)^.op2t,pai386(hp)^.op2,0,pai386(hp)^.opsize,
|
|
pai386(hp)^.opcode,true)+','+s;
|
|
end;
|
|
s:=#9+s;
|
|
end
|
|
else
|
|
begin
|
|
{ check if string instruction }
|
|
{ long form, otherwise may give range check errors }
|
|
{ in turbo pascal... }
|
|
if ((pai386(hp)^.opcode = A_CMPS) or
|
|
(pai386(hp)^.opcode = A_INS) or
|
|
(pai386(hp)^.opcode = A_OUTS) or
|
|
(pai386(hp)^.opcode = A_SCAS) or
|
|
(pai386(hp)^.opcode = A_STOS) or
|
|
(pai386(hp)^.opcode = A_MOVS) or
|
|
(pai386(hp)^.opcode = A_LODS) or
|
|
(pai386(hp)^.opcode = A_XLAT)) then
|
|
Begin
|
|
case pai386(hp)^.opsize of
|
|
S_B: suffix:='b';
|
|
S_W: suffix:='w';
|
|
S_L: suffix:='d';
|
|
else
|
|
Message(assem_f_invalid_suffix_intel);
|
|
end;
|
|
end;
|
|
s:='';
|
|
end;
|
|
if pai386(hp)^.opcode=A_FWAIT then
|
|
AsmWriteln(#9#9'DB'#9'09bh')
|
|
else
|
|
AsmWriteLn(#9#9+prefix+int_op2str[pai386(hp)^.opcode]+suffix+s);
|
|
{$endif AG386BIN}
|
|
end;
|
|
{$ifdef GDB}
|
|
ait_stabn,
|
|
ait_stabs,
|
|
ait_force_line,
|
|
ait_stab_function_name : ;
|
|
{$endif GDB}
|
|
ait_cut : begin
|
|
{ only reset buffer if nothing has changed }
|
|
if AsmSize=AsmStartSize then
|
|
AsmClear
|
|
else
|
|
begin
|
|
AsmClose;
|
|
DoAssemble;
|
|
if pai_cut(hp)^.EndName then
|
|
IsEndFile:=true;
|
|
AsmCreate;
|
|
end;
|
|
{ avoid empty files }
|
|
while assigned(hp^.next) and (pai(hp^.next)^.typ in [ait_cut,ait_section,ait_comment]) do
|
|
begin
|
|
if pai(hp^.next)^.typ=ait_section then
|
|
lastsec:=pai_section(hp^.next)^.sec;
|
|
hp:=pai(hp^.next);
|
|
end;
|
|
if lastsec<>sec_none then
|
|
AsmWriteLn('SECTION '+target_asm.secnames[lastsec]);
|
|
AsmStartSize:=AsmSize;
|
|
end;
|
|
ait_marker : ;
|
|
else
|
|
internalerror(10000);
|
|
end;
|
|
hp:=pai(hp^.next);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure ti386nasmasmlist.WriteAsmList;
|
|
begin
|
|
{$ifdef EXTDEBUG}
|
|
if assigned(current_module^.mainsource) then
|
|
comment(v_info,'Start writing nasm-styled assembler output for '+current_module^.mainsource^);
|
|
{$endif}
|
|
LastSec:=sec_none;
|
|
AsmWriteLn('BITS 32');
|
|
AsmLn;
|
|
|
|
countlabelref:=false;
|
|
WriteTree(externals);
|
|
{ Nasm doesn't support stabs
|
|
WriteTree(debuglist);}
|
|
|
|
WriteTree(codesegment);
|
|
WriteTree(datasegment);
|
|
WriteTree(consts);
|
|
WriteTree(rttilist);
|
|
WriteTree(bsssegment);
|
|
countlabelref:=true;
|
|
|
|
AsmLn;
|
|
{$ifdef EXTDEBUG}
|
|
if assigned(current_module^.mainsource) then
|
|
comment(v_info,'Done writing nasm-styled assembler output for '+current_module^.mainsource^);
|
|
{$endif EXTDEBUG}
|
|
end;
|
|
|
|
end.
|
|
{
|
|
$Log$
|
|
Revision 1.31 1999-05-04 21:44:32 florian
|
|
* changes to compile it with Delphi 4.0
|
|
|
|
Revision 1.30 1999/05/02 22:41:50 peter
|
|
* moved section names to systems
|
|
* fixed nasm,intel writer
|
|
|
|
Revision 1.29 1999/05/01 13:23:59 peter
|
|
* merged nasm compiler
|
|
* old asm moved to oldasm/
|
|
|
|
Revision 1.28 1999/04/17 22:17:06 pierre
|
|
* ifdef USE_OP3 released (changed into ifndef NO_OP3)
|
|
* SHRD and SHLD first operand (ATT syntax) can only be CL reg or immediate const
|
|
|
|
Revision 1.27 1999/04/16 11:49:40 peter
|
|
+ tempalloc
|
|
+ -at to show temp alloc info in .s file
|
|
|
|
Revision 1.26 1999/04/16 10:00:56 pierre
|
|
+ ifdef USE_OP3 code :
|
|
added all missing op_... constructors for tai386 needed
|
|
for SHRD,SHLD and IMUL code in assembler readers
|
|
(check in tests/tbs0123.pp)
|
|
|
|
Revision 1.25 1999/03/29 16:05:44 peter
|
|
* optimizer working for ag386bin
|
|
|
|
Revision 1.24 1999/03/10 13:25:44 pierre
|
|
section order changed to get closer output from coff writer
|
|
|
|
Revision 1.23 1999/03/04 13:55:39 pierre
|
|
* some m68k fixes (still not compilable !)
|
|
* new(tobj) does not give warning if tobj has no VMT !
|
|
|
|
Revision 1.22 1999/03/02 02:56:11 peter
|
|
+ stabs support for binary writers
|
|
* more fixes and missing updates from the previous commit :(
|
|
|
|
Revision 1.21 1999/03/01 15:46:17 peter
|
|
* ag386bin finally make cycles correct
|
|
* prefixes are now also normal opcodes
|
|
|
|
Revision 1.20 1999/02/26 00:48:14 peter
|
|
* assembler writers fixed for ag386bin
|
|
|
|
Revision 1.19 1999/02/25 21:02:19 peter
|
|
* ag386bin updates
|
|
+ coff writer
|
|
|
|
Revision 1.18 1999/02/22 02:15:00 peter
|
|
* updates for ag386bin
|
|
|
|
Revision 1.17 1998/12/20 16:21:23 peter
|
|
* smartlinking doesn't crash anymore
|
|
|
|
Revision 1.16 1998/12/16 00:27:18 peter
|
|
* removed some obsolete version checks
|
|
|
|
Revision 1.15 1998/12/01 11:19:39 peter
|
|
* fixed range problem with in [tasmop]
|
|
|
|
Revision 1.14 1998/11/30 09:42:56 pierre
|
|
* some range check bugs fixed (still not working !)
|
|
+ added DLL writing support for win32 (also accepts variables)
|
|
+ TempAnsi for code that could be used for Temporary ansi strings
|
|
handling
|
|
|
|
Revision 1.13 1998/11/17 00:26:10 peter
|
|
* fixed for $H+
|
|
|
|
Revision 1.12 1998/11/12 11:19:34 pierre
|
|
* fix for first line of function break
|
|
|
|
Revision 1.11 1998/10/12 12:20:42 pierre
|
|
+ added tai_const_symbol_offset
|
|
for r : pointer = @var.field;
|
|
* better message for different arg names on implementation
|
|
of function
|
|
|
|
Revision 1.10 1998/10/06 17:16:34 pierre
|
|
* some memory leaks fixed (thanks to Peter for heaptrc !)
|
|
|
|
Revision 1.9 1998/10/01 20:19:07 jonas
|
|
+ ait_marker support
|
|
|
|
Revision 1.8 1998/09/20 17:11:22 jonas
|
|
* released REGALLOC
|
|
|
|
Revision 1.7 1998/08/11 14:01:43 peter
|
|
* fixed fwait bug using direct opcode
|
|
|
|
Revision 1.6 1998/08/10 15:49:39 peter
|
|
* small fixes for 0.99.5
|
|
|
|
Revision 1.5 1998/08/08 10:19:18 florian
|
|
* small fixes to write the extended type correct
|
|
|
|
Revision 1.4 1998/06/05 17:46:03 peter
|
|
* tp doesn't like comp() typecast
|
|
|
|
Revision 1.3 1998/05/28 17:24:27 peter
|
|
- $R- for tp to solve range errors with in[]
|
|
|
|
Revision 1.2 1998/05/25 17:11:37 pierre
|
|
* firstpasscount bug fixed
|
|
now all is already set correctly the first time
|
|
under EXTDEBUG try -gp to skip all other firstpasses
|
|
it works !!
|
|
* small bug fixes
|
|
- for smallsets with -dTESTSMALLSET
|
|
- some warnings removed (by correcting code !)
|
|
|
|
Revision 1.1 1998/05/23 01:20:56 peter
|
|
+ aktasmmode, aktoptprocessor, aktoutputformat
|
|
+ smartlink per module $SMARTLINK-/+ (like MMX) and moved to aktswitches
|
|
+ $LIBNAME to set the library name where the unit will be put in
|
|
* splitted cgi386 a bit (codeseg to large for bp7)
|
|
* nasm, tasm works again. nasm moved to ag386nsm.pas
|
|
|
|
}
|