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RELEASE.1.9.2
fpc/compiler/aggas.pas
Jonas Maebe e1fc7227d9 * darwin requires the alginment of .lcomm symbols to be specified 
together with the symbol itself, instead of in a .align directive
2004-01-07 17:40:06 +00:00

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{
$Id$
Copyright (c) 1998-2002 by the Free Pascal team
This unit implements generic GNU assembler (v2.8 or later)
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.
****************************************************************************
}
{ Base unit for writing GNU assembler output.
}
unit aggas;
{$i fpcdefs.inc}
interface
uses
cclasses,
globals,
aasmbase,aasmtai,aasmcpu,
assemble;
type
{# This is a derived class which is used to write
GAS styled assembler.
The WriteInstruction() method must be overriden
to write a single instruction to the assembler
file.
}
TGNUAssembler=class(texternalassembler)
public
procedure WriteTree(p:TAAsmoutput);override;
procedure WriteAsmList;override;
procedure WriteExtraHeader;virtual;
{$ifdef GDB}
procedure WriteFileLineInfo(var fileinfo : tfileposinfo);
procedure WriteFileEndInfo;
{$endif}
procedure WriteInstruction(hp: tai); virtual; abstract;
end;
const
regname_count=45;
regname_count_bsstart=32; {Largest power of 2 out of regname_count.}
implementation
uses
{$ifdef Delphi}
dmisc,
{$else Delphi}
dos,
{$endif Delphi}
cutils,globtype,systems,
fmodule,finput,verbose,cpubase
{$ifdef GDB}
{$ifdef delphi}
,sysutils
{$else}
,strings
{$endif}
,gdb
{$endif GDB}
{$ifdef x86}
,itcpugas
{$endif}
{$ifdef powerpc}
,itcpugas
{$endif}
{$ifdef arm}
,itcpugas
{$endif}
;
const
line_length = 70;
var
{$ifdef GDB}
n_line : byte; { different types of source lines }
linecount,
includecount : longint;
funcname : pchar;
stabslastfileinfo : tfileposinfo;
{$endif}
lasTSec : TSection; { last section type written }
lastfileinfo : tfileposinfo;
infile,
lastinfile : tinputfile;
symendcount : longint;
type
t80bitarray = array[0..9] of byte;
t64bitarray = array[0..7] of byte;
t32bitarray = array[0..3] of byte;
{****************************************************************************}
{ Support routines }
{****************************************************************************}
function fixline(s:string):string;
{
return s with all leading and ending spaces and tabs removed
}
var
i,j,k : integer;
begin
i:=length(s);
while (i>0) and (s[i] in [#9,' ']) do
dec(i);
j:=1;
while (j<i) and (s[j] in [#9,' ']) do
inc(j);
for k:=j to i do
if s[k] in [#0..#31,#127..#255] then
s[k]:='.';
fixline:=Copy(s,j,i-j+1);
end;
function single2str(d : single) : string;
var
hs : string;
begin
str(d,hs);
{ replace space with + }
if hs[1]=' ' then
hs[1]:='+';
single2str:='0d'+hs
end;
function double2str(d : double) : string;
var
hs : string;
begin
str(d,hs);
{ replace space with + }
if hs[1]=' ' then
hs[1]:='+';
double2str:='0d'+hs
end;
function extended2str(e : extended) : string;
var
hs : string;
begin
str(e,hs);
{ replace space with + }
if hs[1]=' ' then
hs[1]:='+';
extended2str:='0d'+hs
end;
{ convert floating point values }
{ to correct endian }
procedure swap64bitarray(var t: t64bitarray);
var
b: byte;
begin
b:= t[7];
t[7] := t[0];
t[0] := b;
b := t[6];
t[6] := t[1];
t[1] := b;
b:= t[5];
t[5] := t[2];
t[2] := b;
b:= t[4];
t[4] := t[3];
t[3] := b;
end;
procedure swap32bitarray(var t: t32bitarray);
var
b: byte;
begin
b:= t[1];
t[1]:= t[2];
t[2]:= b;
b:= t[0];
t[0]:= t[3];
t[3]:= b;
end;
const
ait_const2str : array[ait_const_32bit..ait_const_8bit] of string[8]=
(#9'.long'#9,#9'.short'#9,#9'.byte'#9);
function ait_section2str(s:TSection):string;
begin
ait_section2str:=target_asm.secnames[s];
{$ifdef GDB}
{ this is needed for line info in data }
funcname:=nil;
case s 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;
{$endif GDB}
LasTSec:=s;
end;
{****************************************************************************}
{ GNU Assembler writer }
{****************************************************************************}
{$ifdef GDB}
procedure TGNUAssembler.WriteFileLineInfo(var fileinfo : tfileposinfo);
var
curr_n : byte;
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 assigned(infile) then
begin
if includecount=0 then
curr_n:=n_sourcefile
else
curr_n:=n_includefile;
if (infile.path^<>'') then
begin
AsmWriteLn(#9'.stabs "'+lower(BsToSlash(FixPath(infile.path^,false)))+'",'+
tostr(curr_n)+',0,0,'+target_asm.labelprefix+'text'+ToStr(IncludeCount));
end;
AsmWriteLn(#9'.stabs "'+lower(FixFileName(infile.name^))+'",'+
tostr(curr_n)+',0,0,'+target_asm.labelprefix+'text'+ToStr(IncludeCount));
AsmWriteLn(target_asm.labelprefix+'text'+ToStr(IncludeCount)+':');
inc(includecount);
{ force new line info }
stabslastfileinfo.line:=-1;
end;
end;
{ line changed ? }
if (stabslastfileinfo.line<>fileinfo.line) and (fileinfo.line<>0) then
begin
if (n_line=n_textline) and assigned(funcname) and
(target_info.use_function_relative_addresses) then
begin
AsmWriteLn(target_asm.labelprefix+'l'+tostr(linecount)+':');
AsmWrite(#9'.stabn '+tostr(n_line)+',0,'+tostr(fileinfo.line)+','+
target_asm.labelprefix+'l'+tostr(linecount)+' - ');
AsmWritePChar(FuncName);
AsmLn;
inc(linecount);
end
else
AsmWriteLn(#9'.stabd'#9+tostr(n_line)+',0,'+tostr(fileinfo.line));
end;
stabslastfileinfo:=fileinfo;
end;
procedure TGNUAssembler.WriteFileEndInfo;
begin
if not ((cs_debuginfo in aktmoduleswitches) or
(cs_gdb_lineinfo in aktglobalswitches)) then
exit;
AsmLn;
AsmWriteLn(ait_section2str(sec_code));
AsmWriteLn(#9'.stabs "",'+tostr(n_sourcefile)+',0,0,'+target_asm.labelprefix+'etext');
AsmWriteLn(target_asm.labelprefix+'etext:');
end;
{$endif GDB}
procedure TGNUAssembler.WriteTree(p:TAAsmoutput);
const
allocstr : array[boolean] of string[10]=(' released',' allocated');
var
ch : char;
hp : tai;
hp1 : tailineinfo;
consttyp : taitype;
s : string;
found : boolean;
i,pos,l : longint;
InlineLevel : longint;
last_align : longint;
co : comp;
sin : single;
d : double;
{$ifdef cpuextended}
e : extended;
{$endif cpuextended}
do_line : boolean;
begin
if not assigned(p) then
exit;
last_align := 2;
InlineLevel:=0;
{ lineinfo is only needed for codesegment (PFV) }
do_line:=(cs_asm_source in aktglobalswitches) or
((cs_lineinfo in aktmoduleswitches)
and (p=codesegment));
hp:=tai(p.first);
while assigned(hp) do
begin
if not(hp.typ in SkipLineInfo) then
begin
hp1 := hp as tailineinfo;
aktfilepos:=hp1.fileinfo;
{$ifdef GDB}
{ write stabs }
if (cs_debuginfo in aktmoduleswitches) or
(cs_gdb_lineinfo in aktglobalswitches) then
WriteFileLineInfo(hp1.fileinfo);
{$endif GDB}
{ no line info for inlined code }
if do_line and (inlinelevel=0) then
begin
{ load infile }
if lastfileinfo.fileindex<>hp1.fileinfo.fileindex then
begin
infile:=current_module.sourcefiles.get_file(hp1.fileinfo.fileindex);
if assigned(infile) then
begin
{ open only if needed !! }
if (cs_asm_source in aktglobalswitches) then
infile.open;
end;
{ avoid unnecessary reopens of the same file !! }
lastfileinfo.fileindex:=hp1.fileinfo.fileindex;
{ be sure to change line !! }
lastfileinfo.line:=-1;
end;
{ write source }
if (cs_asm_source in aktglobalswitches) and
assigned(infile) then
begin
if (infile<>lastinfile) then
begin
AsmWriteLn(target_asm.comment+'['+infile.name^+']');
if assigned(lastinfile) then
lastinfile.close;
end;
if (hp1.fileinfo.line<>lastfileinfo.line) and
((hp1.fileinfo.line<infile.maxlinebuf) or (InlineLevel>0)) then
begin
if (hp1.fileinfo.line<>0) and
((infile.linebuf^[hp1.fileinfo.line]>=0) or (InlineLevel>0)) then
AsmWriteLn(target_asm.comment+'['+tostr(hp1.fileinfo.line)+'] '+
fixline(infile.GetLineStr(hp1.fileinfo.line)));
{ set it to a negative value !
to make that is has been read already !! PM }
if (infile.linebuf^[hp1.fileinfo.line]>=0) then
infile.linebuf^[hp1.fileinfo.line]:=-infile.linebuf^[hp1.fileinfo.line]-1;
end;
end;
lastfileinfo:=hp1.fileinfo;
lastinfile:=infile;
end;
end;
case hp.typ of
ait_comment :
Begin
AsmWrite(target_asm.comment);
AsmWritePChar(tai_comment(hp).str);
AsmLn;
End;
ait_regalloc :
begin
if (cs_asm_regalloc in aktglobalswitches) then
AsmWriteLn(#9+target_asm.comment+'Register '+gas_regname(Tai_regalloc(hp).reg)+
allocstr[tai_regalloc(hp).allocation]);
end;
ait_tempalloc :
begin
if (cs_asm_tempalloc in aktglobalswitches) then
begin
{$ifdef EXTDEBUG}
if assigned(tai_tempalloc(hp).problem) then
AsmWriteLn(target_asm.comment+'Temp '+tostr(tai_tempalloc(hp).temppos)+','+
tostr(tai_tempalloc(hp).tempsize)+' '+tai_tempalloc(hp).problem^)
else
{$endif EXTDEBUG}
AsmWriteLn(target_asm.comment+'Temp '+tostr(tai_tempalloc(hp).temppos)+','+
tostr(tai_tempalloc(hp).tempsize)+allocstr[tai_tempalloc(hp).allocation]);
end;
end;
ait_align :
begin
if target_info.system <> system_powerpc_darwin then
begin
AsmWrite(#9'.balign '+tostr(tai_align(hp).aligntype));
if tai_align(hp).use_op then
AsmWrite(','+tostr(tai_align(hp).fillop))
end
else
begin
{ darwin as only supports .align }
if not ispowerof2(tai_align(hp).aligntype,i) then
internalerror(2003010305);
AsmWrite(#9'.align '+tostr(i));
last_align := i;
end;
AsmLn;
end;
ait_section :
begin
if tai_section(hp).sec<>sec_none then
begin
AsmLn;
AsmWriteLn(ait_section2str(tai_section(hp).sec));
{$ifdef GDB}
lastfileinfo.line:=-1;
{$endif GDB}
end
else
begin
{$ifdef EXTDEBUG}
AsmWrite(target_asm.comment);
AsmWriteln(' sec_none');
{$endif EXTDEBUG}
end;
end;
ait_datablock :
begin
if tai_datablock(hp).is_global then
AsmWrite(#9'.comm'#9)
else
AsmWrite(#9'.lcomm'#9);
AsmWrite(tai_datablock(hp).sym.name);
AsmWrite(','+tostr(tai_datablock(hp).size));
if (target_info.system = system_powerpc_darwin) and
not(tai_datablock(hp).is_global) then
AsmWrite(','+tostr(last_align));
AsmWriteln('');
end;
ait_const_32bit,
ait_const_16bit,
ait_const_8bit :
begin
AsmWrite(ait_const2str[hp.typ]+tostru(tai_const(hp).value));
consttyp:=hp.typ;
l:=0;
repeat
found:=(not (tai(hp.next)=nil)) and (tai(hp.next).typ=consttyp);
if found then
begin
hp:=tai(hp.next);
s:=','+tostru(tai_const(hp).value);
AsmWrite(s);
inc(l,length(s));
end;
until (not found) or (l>line_length);
AsmLn;
end;
ait_const_symbol :
begin
AsmWrite(#9'.long'#9);
AsmWrite(tai_const_symbol(hp).sym.name);
if tai_const_symbol(hp).offset>0 then
AsmWrite('+'+tostr(tai_const_symbol(hp).offset))
else if tai_const_symbol(hp).offset<0 then
AsmWrite(tostr(tai_const_symbol(hp).offset));
AsmLn;
end;
ait_const_rva :
begin
AsmWrite(#9'.rva'#9);
AsmWriteLn(tai_const_symbol(hp).sym.name);
end;
{$ifdef cpuextended}
ait_real_80bit :
begin
if do_line then
AsmWriteLn(target_asm.comment+target_asm.comment+extended2str(tai_real_80bit(hp).value));
{ Make sure e is a extended type, bestreal could be
a different type (bestreal) !! (PFV) }
e:=tai_real_80bit(hp).value;
AsmWrite(#9'.byte'#9);
for i:=0 to 9 do
begin
if i<>0 then
AsmWrite(',');
AsmWrite(tostr(t80bitarray(e)[i]));
end;
AsmLn;
end;
{$endif cpuextended}
ait_real_64bit :
begin
if do_line then
AsmWriteLn(target_asm.comment+target_asm.comment+double2str(tai_real_64bit(hp).value));
d:=tai_real_64bit(hp).value;
{ swap the values to correct endian if required }
{$ifdef fpc}
if source_info.endian <> target_info.endian then
swap64bitarray(t64bitarray(d));
{$endif}
AsmWrite(#9'.byte'#9);
for i:=0 to 7 do
begin
if i<>0 then
AsmWrite(',');
AsmWrite(tostr(t64bitarray(d)[i]));
end;
AsmLn;
end;
ait_real_32bit :
begin
if do_line then
AsmWriteLn(target_asm.comment+target_asm.comment+single2str(tai_real_32bit(hp).value));
sin:=tai_real_32bit(hp).value;
{$ifdef fpc}
{ swap the values to correct endian if required }
if source_info.endian <> target_info.endian then
swap32bitarray(t32bitarray(sin));
{$endif}
AsmWrite(#9'.byte'#9);
for i:=0 to 3 do
begin
if i<>0 then
AsmWrite(',');
AsmWrite(tostr(t32bitarray(sin)[i]));
end;
AsmLn;
end;
ait_comp_64bit :
begin
if do_line then
AsmWriteLn(target_asm.comment+target_asm.comment+extended2str(tai_comp_64bit(hp).value));
AsmWrite(#9'.byte'#9);
{$ifdef FPC}
co:=comp(tai_comp_64bit(hp).value);
{$else}
co:=tai_comp_64bit(hp).value;
{$endif}
{$ifdef fpc}
{ swap the values to correct endian if required }
if source_info.endian <> target_info.endian then
swap64bitarray(t64bitarray(co));
{$endif}
for i:=0 to 7 do
begin
if i<>0 then
AsmWrite(',');
AsmWrite(tostr(t64bitarray(co)[i]));
end;
AsmLn;
end;
ait_direct :
begin
AsmWritePChar(tai_direct(hp).str);
AsmLn;
{$IfDef GDB}
if strpos(tai_direct(hp).str,'.data')<>nil then
n_line:=n_dataline
else if strpos(tai_direct(hp).str,'.text')<>nil then
n_line:=n_textline
else if strpos(tai_direct(hp).str,'.bss')<>nil then
n_line:=n_bssline;
{$endif GDB}
end;
ait_string :
begin
pos:=0;
for i:=1 to tai_string(hp).len do
begin
if pos=0 then
begin
AsmWrite(#9'.ascii'#9'"');
pos:=20;
end;
ch:=tai_string(hp).str[i-1];
case ch of
#0, {This can't be done by range, because a bug in FPC}
#1..#31,
#128..#255 : s:='\'+tostr(ord(ch) shr 6)+tostr((ord(ch) and 63) shr 3)+tostr(ord(ch) and 7);
'"' : s:='\"';
'\' : s:='\\';
else
s:=ch;
end;
AsmWrite(s);
inc(pos,length(s));
if (pos>line_length) or (i=tai_string(hp).len) then
begin
AsmWriteLn('"');
pos:=0;
end;
end;
end;
ait_label :
begin
if (tai_label(hp).l.is_used) then
begin
if tai_label(hp).l.defbind=AB_GLOBAL then
begin
AsmWrite('.globl'#9);
AsmWriteLn(tai_label(hp).l.name);
end;
AsmWrite(tai_label(hp).l.name);
AsmWriteLn(':');
end;
end;
ait_symbol :
begin
if tai_symbol(hp).is_global then
begin
AsmWrite('.globl'#9);
AsmWriteLn(tai_symbol(hp).sym.name);
end;
if target_info.system in [system_i386_linux,system_i386_beos,
system_powerpc_linux,system_m68k_linux,
system_sparc_linux,system_alpha_linux,
system_x86_64_linux,system_arm_linux] then
begin
AsmWrite(#9'.type'#9);
AsmWrite(tai_symbol(hp).sym.name);
if assigned(tai(hp.next)) and
(tai(hp.next).typ in [ait_const_symbol,ait_const_rva,
ait_const_32bit,ait_const_16bit,ait_const_8bit,ait_datablock,
ait_real_32bit,ait_real_64bit,ait_real_80bit,ait_comp_64bit]) then
AsmWriteLn(',@object')
else
AsmWriteLn(',@function');
if tai_symbol(hp).sym.size>0 then
begin
AsmWrite(#9'.size'#9);
AsmWrite(tai_symbol(hp).sym.name);
AsmWrite(', ');
AsmWriteLn(tostr(tai_symbol(hp).sym.size));
end;
end;
AsmWrite(tai_symbol(hp).sym.name);
AsmWriteLn(':');
end;
ait_symbol_end :
begin
if target_info.system in [system_i386_linux,system_i386_beos] then
begin
s:=target_asm.labelprefix+'e'+tostr(symendcount);
inc(symendcount);
AsmWriteLn(s+':');
AsmWrite(#9'.size'#9);
AsmWrite(tai_symbol_end(hp).sym.name);
AsmWrite(', '+s+' - ');
AsmWriteLn(tai_symbol_end(hp).sym.name);
end;
end;
ait_instruction :
begin
WriteInstruction(hp);
end;
{$ifdef GDB}
ait_stabs :
begin
if assigned(tai_stabs(hp).str) then
begin
AsmWrite(#9'.stabs ');
AsmWritePChar(tai_stabs(hp).str);
AsmLn;
end;
end;
ait_stabn :
begin
if assigned(tai_stabn(hp).str) then
begin
AsmWrite(#9'.stabn ');
AsmWritePChar(tai_stabn(hp).str);
AsmLn;
end;
end;
ait_force_line :
stabslastfileinfo.line:=0;
ait_stab_function_name:
funcname:=tai_stab_function_name(hp).str;
{$endif GDB}
ait_cut :
begin
if SmartAsm then
begin
{ only reset buffer if nothing has changed }
if AsmSize=AsmStartSize then
AsmClear
else
begin
AsmClose;
DoAssemble;
AsmCreate(tai_cut(hp).place);
end;
{ avoid empty files }
while assigned(hp.next) and (tai(hp.next).typ in [ait_cut,ait_section,ait_comment]) do
begin
if tai(hp.next).typ=ait_section then
lasTSec:=tai_section(hp.next).sec;
hp:=tai(hp.next);
end;
{$ifdef GDB}
{ force write of filename }
FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
includecount:=0;
funcname:=nil;
WriteFileLineInfo(aktfilepos);
{$endif GDB}
if lasTSec<>sec_none then
AsmWriteLn(ait_section2str(lasTSec));
AsmStartSize:=AsmSize;
end;
end;
ait_marker :
if tai_marker(hp).kind=InlineStart then
inc(InlineLevel)
else if tai_marker(hp).kind=InlineEnd then
dec(InlineLevel);
else
internalerror(10000);
end;
hp:=tai(hp.next);
end;
end;
procedure TGNUAssembler.WriteExtraHeader;
begin
end;
procedure TGNUAssembler.WriteAsmList;
var
p:dirstr;
n:namestr;
e:extstr;
{$ifdef GDB}
fileinfo : tfileposinfo;
{$endif GDB}
begin
{$ifdef EXTDEBUG}
if assigned(current_module.mainsource) then
Comment(V_Debug,'Start writing gas-styled assembler output for '+current_module.mainsource^);
{$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)+'"');
WriteExtraHeader;
{$ifdef GDB}
n_line:=n_bssline;
funcname:=nil;
linecount:=1;
includecount:=0;
fileinfo.fileindex:=1;
fileinfo.line:=1;
{ Write main file }
WriteFileLineInfo(fileinfo);
{$endif GDB}
AsmStartSize:=AsmSize;
symendcount:=0;
If (cs_debuginfo in aktmoduleswitches) then
WriteTree(debuglist);
WriteTree(codesegment);
WriteTree(datasegment);
WriteTree(consts);
WriteTree(rttilist);
Writetree(resourcestringlist);
WriteTree(bsssegment);
Writetree(importssection);
{ exports are written by DLLTOOL
if we use it so don't insert it twice (PM) }
if not UseDeffileForExport and assigned(exportssection) then
Writetree(exportssection);
Writetree(resourcesection);
{$ifdef GDB}
WriteFileEndInfo;
{$ENDIF}
AsmLn;
{$ifdef EXTDEBUG}
if assigned(current_module.mainsource) then
Comment(V_Debug,'Done writing gas-styled assembler output for '+current_module.mainsource^);
{$endif EXTDEBUG}
end;
end.
{
$Log$
Revision 1.42 2004-01-07 17:40:06 jonas
* darwin requires the alginment of .lcomm symbols to be specified
together with the symbol itself, instead of in a .align directive
Revision 1.41 2004/01/04 21:08:59 jonas
* darwin only supports .align, no .balign
Revision 1.40 2004/01/03 13:51:05 jonas
+ support exported procedures for linuxppc
* refuse to compile systems/t_linux.pas if processor-specific support
for exported procedures is absent
+ generate .type and .size info for all currently defined linux-variants
in aggas.pas
Revision 1.39 2003/12/14 22:42:54 peter
* fixed range check error
Revision 1.38 2003/12/10 17:13:22 peter
* fix range error with tai_const
Revision 1.37 2003/11/12 16:05:39 florian
* assembler readers OOPed
+ typed currency constants
+ typed 128 bit float constants if the CPU supports it
Revision 1.36 2003/10/01 20:34:48 peter
* procinfo unit contains tprocinfo
* cginfo renamed to cgbase
* moved cgmessage to verbose
* fixed ppc and sparc compiles
Revision 1.35 2003/09/23 17:56:05 peter
* locals and paras are allocated in the code generation
* tvarsym.localloc contains the location of para/local when
generating code for the current procedure
Revision 1.34 2003/09/06 16:47:24 florian
+ support of NaN and Inf in the compiler as values of real constants
Revision 1.33 2003/09/04 00:15:29 florian
* first bunch of adaptions of arm compiler for new register type
Revision 1.32 2003/09/03 19:35:24 peter
* powerpc compiles again
Revision 1.31 2003/09/03 15:55:00 peter
* NEWRA branch merged
Revision 1.30 2003/09/03 11:18:36 florian
* fixed arm concatcopy
+ arm support in the common compiler sources added
* moved some generic cg code around
+ tfputype added
* ...
Revision 1.29.2.2 2003/09/01 21:02:55 peter
* sparc updates for new tregister
Revision 1.29.2.1 2003/08/31 15:46:26 peter
* more updates for tregister
Revision 1.29 2003/08/19 11:53:03 daniel
* Fixed PowerPC compilation
Revision 1.28 2003/08/18 11:49:47 daniel
* Made ATT asm writer work with -sr
Revision 1.27 2003/08/17 21:11:00 daniel
* Now -sr works...
Revision 1.26 2003/08/17 20:47:47 daniel
* Notranslation changed into -sr functionality
Revision 1.25 2003/08/17 16:59:20 jonas
* fixed regvars so they work with newra (at least for ppc)
* fixed some volatile register bugs
+ -dnotranslation option for -dnewra, which causes the registers not to
be translated from virtual to normal registers. Requires support in
the assembler writer as well, which is only implemented in aggas/
agppcgas currently
Revision 1.24 2003/04/28 21:17:53 peter
* write sec_none info in extdebug
Revision 1.23 2003/04/25 20:59:33 peter
* removed funcretn,funcretsym, function result is now in varsym
and aliases for result and function name are added using absolutesym
* vs_hidden parameter for funcret passed in parameter
* vs_hidden fixes
* writenode changed to printnode and released from extdebug
* -vp option added to generate a tree.log with the nodetree
* nicer printnode for statements, callnode
Revision 1.22 2003/04/24 22:29:57 florian
* fixed a lot of PowerPC related stuff
Revision 1.21 2003/04/22 14:33:38 peter
* removed some notes/hints
Revision 1.20 2003/01/09 21:52:37 peter
* merged some verbosity options.
* V_LineInfo is a verbosity flag to include line info
Revision 1.19 2003/01/08 18:43:56 daniel
* Tregister changed into a record
Revision 1.18 2002/12/07 14:03:25 carl
- remove some duplicates and unused vars
Revision 1.17 2002/12/06 17:50:39 peter
* long symbol name fix merged
Revision 1.16 2002/11/17 16:31:55 carl
* memory optimization (3-4%) : cleanup of tai fields,
cleanup of tdef and tsym fields.
* make it work for m68k
Revision 1.15 2002/11/15 01:58:45 peter
* merged changes from 1.0.7 up to 04-11
- -V option for generating bug report tracing
- more tracing for option parsing
- errors for cdecl and high()
- win32 import stabs
- win32 records<=8 are returned in eax:edx (turned off by default)
- heaptrc update
- more info for temp management in .s file with EXTDEBUG
Revision 1.14 2002/10/30 21:01:14 peter
* always include lineno after fileswitch. valgrind requires this
Revision 1.13 2002/10/05 12:43:23 carl
* fixes for Delphi 6 compilation
(warning : Some features do not work under Delphi)
Revision 1.12 2002/08/31 16:05:17 florian
* write double # before float constants when -al is turned on
else some gas versions interpret it as line number
Revision 1.11 2002/08/20 16:55:38 peter
* don't write (stabs)line info when inlining a procedure
Revision 1.10 2002/08/18 22:16:14 florian
+ the ppc gas assembler writer adds now registers aliases
to the assembler file
Revision 1.9 2002/08/18 20:06:23 peter
* inlining is now also allowed in interface
* renamed write/load to ppuwrite/ppuload
* tnode storing in ppu
* nld,ncon,nbas are already updated for storing in ppu
Revision 1.8 2002/07/26 21:15:37 florian
* rewrote the system handling
Revision 1.7 2002/07/07 09:52:32 florian
* powerpc target fixed, very simple units can be compiled
* some basic stuff for better callparanode handling, far from being finished
Revision 1.6 2002/07/01 18:46:20 peter
* internal linker
* reorganized aasm layer
Revision 1.5 2002/05/18 13:34:05 peter
* readded missing revisions
Revision 1.4 2002/05/16 19:46:34 carl
+ defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand
+ try to fix temp allocation (still in ifdef)
+ generic constructor calls
+ start of tassembler / tmodulebase class cleanup
Revision 1.2 2002/04/15 18:53:48 carl
+ comments in register allocator uses std_Reg2str
Revision 1.1 2002/04/14 16:51:54 carl
+ basic GNU assembler writer class
}
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