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fpc/compiler/systems.pas

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{
$Id$
Copyright (c) 1998-2002 by Florian Klaempfl
This unit contains information about the target systems supported
(these are not processor specific)
This program is free software; you can redistribute it and/or modify
iu under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 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 systems;
{$i fpcdefs.inc}
interface
type
tendian = (endian_little,endian_big);
(*
IMPORTANT NOTE:
The value of this enumeration is stored in PPU files.
Therefore adding new CPU targets should not change the
values of the pre-existing targets. (CEC)
FURTHERMORE : Make sure that this branch values, are
consistant with the main branch version always.
*)
tsystemcpu=
(
cpu_no, { 0 }
cpu_i386, { 1 }
cpu_m68k, { 2 }
cpu_alpha, { 3 }
cpu_powerpc, { 4 }
cpu_sparc, { 5 }
cpu_vm, { 6 }
cpu_iA64, { 7 }
cpu_x86_64, { 8 }
cpu_mips, { 9 }
cpu_arm { 10 }
);
TSection=(sec_none,
sec_code,sec_data,sec_bss,
sec_idata2,sec_idata4,sec_idata5,sec_idata6,sec_idata7,sec_edata,
sec_stab,sec_stabstr,sec_common
);
tasmmode= (asmmode_none
{ direct output with minimal parsing }
,asmmode_direct
{ standard assembler (cpu dependant) with full parsing }
,asmmode_standard
,asmmode_i386_att
,asmmode_i386_intel
,asmmode_ppc_gas
,asmmode_ppc_motorola
);
(* IMPORTANT NOTE:
the integer value of this enum is stored in PPU
files to recognize the target, so if you add new targets
allways add them at end PM
FURTHERMORE : Make sure that this branch values are
consistant with the main branch version always. (CEC)
*)
type
tsystem =
(
system_none, { 0 }
obsolete_system_i386_GO32V1,{ 1 }
system_i386_GO32V2, { 2 }
system_i386_linux, { 3 }
system_i386_OS2, { 4 }
system_i386_Win32, { 5 }
system_i386_freebsd, { 6 }
system_m68k_Amiga, { 7 }
system_m68k_Atari, { 8 }
system_m68k_Mac, { 9 }
system_m68k_linux, { 10 }
system_m68k_PalmOS, { 11 }
system_alpha_linux, { 12 }
system_powerpc_linux, { 13 }
system_powerpc_macos, { 14 }
system_i386_sunos, { 15 }
system_i386_beos, { 16 }
system_i386_netbsd, { 17 }
system_m68k_netbsd, { 18 }
system_i386_Netware, { 19 }
system_i386_qnx, { 20 }
system_i386_wdosx, { 21 }
system_sparc_sunos, { 22 }
system_sparc_linux, { 23 }
target_i386_openbsd, { 24 }
target_m68k_openbsd, { 25 }
system_x86_64_linux, { 26 }
system_powerpc_darwin, { 27 }
system_i386_EMX, { 28 }
system_powerpc_netbsd, { 29 }
system_powerpc_openbsd, { 30 }
system_arm_linux { 31 }
);
tasm = (as_none
,as_gas { standard gnu assembler }
,as_i386_as_aout
,as_i386_asw
,as_i386_nasmcoff
,as_i386_nasmwin32
,as_i386_nasmwdosx
,as_i386_nasmelf
,as_i386_nasmobj
,as_i386_tasm
,as_i386_masm
,as_i386_coff
,as_i386_pecoff
,as_i386_elf32
,as_i386_pecoffwdosx
,as_m68k_mit
,as_powerpc_mpw
);
tar = (ar_none
,ar_gnu_ar,ar_gnu_arw,ar_mpw_ar
);
tres = (res_none
,res_gnu_windres,res_emxbind
,res_m68k_palmos,res_m68k_mpw
,res_powerpc_mpw
);
tscripttype = (script_none
,script_dos,script_unix,script_amiga
);
tabi = (abi_default
,abi_powerpc_sysv,abi_powerpc_aix
);
{*****************************************************************************
Structures
*****************************************************************************}
type
{ Abstract linker class which is implemented in link module }
TAbstractLinker = class
end;
TAbstractLinkerClass = class of TABstractLinker;
{ Abstract assembler class which is implemented in assemble module }
TAbstractAssembler = class
end;
TAbstractAssemblerClass = class of TAbstractAssembler;
palignmentinfo = ^talignmentinfo;
talignmentinfo = packed record
procalign,
loopalign,
jumpalign,
constalignmin,
constalignmax,
varalignmin,
varalignmax,
localalignmin,
localalignmax,
paraalign,
recordalignmin,
recordalignmax,
maxCrecordalign : longint;
end;
pasminfo = ^tasminfo;
tasminfo = packed record
id : tasm;
idtxt : string[9];
asmbin : string[8];
asmcmd : string[50];
supported_target : tsystem;
outputbinary,
allowdirect,
needar,
labelprefix_only_inside_procedure : boolean;
labelprefix : string[3];
comment : string[2];
secnames : array[TSection] of string[20];
end;
parinfo = ^tarinfo;
tarinfo = packed record
id : tar;
arcmd : string[50];
end;
presinfo = ^tresinfo;
tresinfo = packed record
id : tres;
resbin : string[8];
rescmd : string[50];
end;
tsystemflags = (tf_none,
tf_under_development,
tf_need_export,tf_needs_isconsole
,tf_code_small,tf_static_reg_based
);
psysteminfo = ^tsysteminfo;
tsysteminfo = packed record
system : tsystem;
name : string[30];
shortname : string[9];
flags : set of tsystemflags;
cpu : tsystemcpu;
unit_env : string[12];
extradefines : string[40];
sourceext,
pasext,
exeext,
defext,
scriptext,
smartext,
unitext,
unitlibext,
asmext,
objext,
resext,
resobjext : string[4];
sharedlibext : string[10];
staticlibext,
staticlibprefix : string[4];
sharedlibprefix : string[4];
sharedClibext : string[10];
staticClibext,
staticClibprefix : string[4];
sharedClibprefix : string[4];
Cprefix : string[2];
newline : string[2];
dirsep : char;
files_case_relevent : boolean;
assem : tasm;
assemextern : tasm; { external assembler, used by -a }
link : tabstractlinkerclass;
linkextern : tabstractlinkerclass; { external linker, used by -s }
ar : tar;
res : tres;
script : tscripttype;
endian : tendian;
alignment : talignmentinfo;
{
Offset from the argument pointer register to the first
argument's address. On some machines it may depend on
the data type of the function.
(see also FIRST_PARM_OFFSET in GCC source)
}
first_parm_offset : longint;
heapsize,
stacksize : longint;
DllScanSupported : boolean;
use_function_relative_addresses : boolean;
abi : tabi;
end;
pasmmodeinfo = ^tasmmodeinfo;
tasmmodeinfo = packed record
id : tasmmode;
idtxt : string[8];
end;
const
{ alias for supported_target field in tasminfo }
system_any = system_none;
var
targetinfos : array[tsystem] of psysteminfo;
asminfos : array[tasm] of pasminfo;
arinfos : array[tar] of parinfo;
resinfos : array[tres] of presinfo;
asmmodeinfos : array[tasmmode] of pasmmodeinfo;
source_info : tsysteminfo;
target_cpu : tsystemcpu;
target_info : tsysteminfo;
target_asm : tasminfo;
target_ar : tarinfo;
target_res : tresinfo;
target_path : string[12]; { for rtl/<X>/,fcl/<X>/, etc. }
function set_target(t:tsystem):boolean;
function set_target_asm(t:tasm):boolean;
function set_target_ar(t:tar):boolean;
function set_target_res(t:tres):boolean;
function set_target_by_string(const s : string) : boolean;
function set_target_asm_by_string(const s : string) : boolean;
function set_asmmode_by_string(const s:string;var t:tasmmode):boolean;
procedure set_source_info(const ti : tsysteminfo);
procedure UpdateAlignment(var d:talignmentinfo;const s:talignmentinfo);
procedure RegisterTarget(const r:tsysteminfo);
procedure RegisterAsmMode(const r:tasmmodeinfo);
procedure RegisterRes(const r:tresinfo);
procedure RegisterAr(const r:tarinfo);
{ Register the external linker. This routine is called to setup the
class to use for the linker. It returns the tsysteminfo structure
updated with the correct linker class for external linking.
}
procedure RegisterExternalLinker(var system_info: tsysteminfo; c:TAbstractLinkerClass);
{ Register the internal linker. This routine is called to setup the
class to use for the linker. It returns the tsysteminfo structure
updated with the correct linker class for internal linking.
If internal linking is not supported, this class can be set
to nil.
}
procedure RegisterInternalLinker(var system_info : tsysteminfo; c:TAbstractLinkerClass);
procedure InitSystems;
implementation
uses
cutils;
{****************************************************************************
Target setting
****************************************************************************}
function set_target(t:tsystem):boolean;
begin
set_target:=false;
if assigned(targetinfos[t]) then
begin
target_info:=targetinfos[t]^;
set_target_asm(target_info.assem);
set_target_ar(target_info.ar);
set_target_res(target_info.res);
target_path:=lower(target_info.shortname);
target_cpu:=target_info.cpu;
set_target:=true;
exit;
end;
end;
function set_target_asm(t:tasm):boolean;
begin
set_target_asm:=false;
if assigned(asminfos[t]) then
begin
target_asm:=asminfos[t]^;
set_target_asm:=true;
exit;
end;
end;
function set_target_ar(t:tar):boolean;
begin
set_target_ar:=false;
if assigned(arinfos[t]) then
begin
target_ar:=arinfos[t]^;
set_target_ar:=true;
exit;
end;
end;
function set_target_res(t:tres):boolean;
begin
set_target_res:=false;
if assigned(resinfos[t]) then
begin
target_res:=resinfos[t]^;
set_target_res:=true;
exit;
end;
end;
function set_target_by_string(const s : string) : boolean;
var
hs : string;
t : tsystem;
begin
set_target_by_string:=false;
{ this should be case insensitive !! PM }
hs:=upper(s);
for t:=low(tsystem) to high(tsystem) do
if assigned(targetinfos[t]) and
(upper(targetinfos[t]^.shortname)=hs) then
begin
set_target_by_string:=set_target(t);
exit;
end;
end;
function set_target_asm_by_string(const s : string) : boolean;
var
hs : string;
t : tasm;
begin
set_target_asm_by_string:=false;
{ this should be case insensitive !! PM }
hs:=upper(s);
for t:=low(tasm) to high(tasm) do
if assigned(asminfos[t]) and
(asminfos[t]^.idtxt=hs) then
begin
set_target_asm_by_string:=set_target_asm(t);
exit;
end;
end;
function set_asmmode_by_string(const s:string;var t:tasmmode):boolean;
var
hs : string;
ht : tasmmode;
begin
set_asmmode_by_string:=false;
{ this should be case insensitive !! PM }
hs:=upper(s);
for ht:=low(tasmmode) to high(tasmmode) do
if assigned(asmmodeinfos[ht]) and
(asmmodeinfos[ht]^.idtxt=hs) then
begin
t:=asmmodeinfos[ht]^.id;
set_asmmode_by_string:=true;
end;
end;
procedure UpdateAlignment(var d:talignmentinfo;const s:talignmentinfo);
begin
with d do
begin
{ general update rules:
minimum: if higher then update
maximum: if lower then update or if undefined then update }
if s.procalign>procalign then
procalign:=s.procalign;
if s.loopalign>loopalign then
loopalign:=s.loopalign;
if s.jumpalign>jumpalign then
jumpalign:=s.jumpalign;
if s.constalignmin>constalignmin then
constalignmin:=s.constalignmin;
if (constalignmax=0) or
((s.constalignmax>0) and (s.constalignmax<constalignmax)) then
constalignmax:=s.constalignmax;
if s.varalignmin>varalignmin then
varalignmin:=s.varalignmin;
if (varalignmax=0) or
((s.varalignmax>0) and (s.varalignmax<varalignmax)) then
varalignmax:=s.varalignmax;
if s.localalignmin>localalignmin then
localalignmin:=s.localalignmin;
if (localalignmax=0) or
((s.localalignmax>0) and (s.localalignmax<localalignmax)) then
localalignmax:=s.localalignmax;
if s.paraalign>paraalign then
paraalign:=s.paraalign;
if s.recordalignmin>recordalignmin then
recordalignmin:=s.recordalignmin;
if (recordalignmax=0) or
((s.recordalignmax>0) and (s.recordalignmax<recordalignmax)) then
recordalignmax:=s.recordalignmax;
if (maxCrecordalign=0) or
((s.maxCrecordalign>0) and (s.maxCrecordalign<maxCrecordalign)) then
maxCrecordalign:=s.maxCrecordalign;
end;
end;
{****************************************************************************
Target registration
****************************************************************************}
procedure RegisterTarget(const r:tsysteminfo);
var
t : tsystem;
begin
t:=r.system;
if assigned(targetinfos[t]) then
writeln('Warning: Target is already registered!')
else
Getmem(targetinfos[t],sizeof(tsysteminfo));
targetinfos[t]^:=r;
end;
procedure RegisterAsmmode(const r:tasmmodeinfo);
var
t : tasmmode;
begin
t:=r.id;
if assigned(asmmodeinfos[t]) then
writeln('Warning: Asmmode is already registered!')
else
Getmem(asmmodeinfos[t],sizeof(tasmmodeinfo));
asmmodeinfos[t]^:=r;
end;
procedure RegisterRes(const r:tresinfo);
var
t : tres;
begin
t:=r.id;
if assigned(resinfos[t]) then
writeln('Warning: resourcecompiler is already registered!')
else
Getmem(resinfos[t],sizeof(tresinfo));
resinfos[t]^:=r;
end;
procedure RegisterAr(const r:tarinfo);
var
t : tar;
begin
t:=r.id;
if assigned(arinfos[t]) then
writeln('Warning: ar is already registered!')
else
Getmem(arinfos[t],sizeof(tarinfo));
arinfos[t]^:=r;
end;
procedure RegisterExternalLinker(var system_info: tsysteminfo; c:TAbstractLinkerClass);
begin
system_info.linkextern := c;
end;
procedure RegisterInternalLinker(var system_info : tsysteminfo; c:TAbstractLinkerClass);
begin
system_info.link := c;
end;
procedure DeregisterInfos;
var
assem : tasm;
target : tsystem;
ar : tar;
asmmode : tasmmode;
res : tres;
begin
for target:=low(tsystem) to high(tsystem) do
if assigned(targetinfos[target]) then
begin
freemem(targetinfos[target],sizeof(tsysteminfo));
targetinfos[target]:=nil;
end;
for assem:=low(tasm) to high(tasm) do
if assigned(asminfos[assem]) then
begin
freemem(asminfos[assem],sizeof(tasminfo));
asminfos[assem]:=nil;
end;
for ar:=low(tar) to high(tar) do
if assigned(arinfos[ar]) then
begin
freemem(arinfos[ar],sizeof(tarinfo));
arinfos[ar]:=nil;
end;
for res:=low(tres) to high(tres) do
if assigned(resinfos[res]) then
begin
freemem(resinfos[res],sizeof(tresinfo));
resinfos[res]:=nil;
end;
for asmmode:=low(tasmmode) to high(tasmmode) do
if assigned(asmmodeinfos[asmmode]) then
begin
freemem(asmmodeinfos[asmmode],sizeof(tasmmodeinfo));
asmmodeinfos[asmmode]:=nil;
end;
end;
{****************************************************************************
Initialization of default target
****************************************************************************}
procedure default_target(t:tsystem);
begin
set_target(t);
if source_info.name='' then
source_info:=target_info;
end;
procedure set_source_info(const ti : tsysteminfo);
begin
{ can't use message() here (PFV) }
if source_info.name<>'' then
Writeln('Warning: Source OS Redefined!');
source_info:=ti;
end;
procedure InitSystems;
begin
{ Now default target, this is dependent on the target cpu define,
when the define is the same as the source cpu then we use the source
os, else we pick a default }
{$ifdef i386}
{$ifdef cpu86}
default_target(source_info.system);
{$else cpu86}
default_target(system_i386_linux);
{$endif cpu86}
{$endif i386}
{$ifdef x86_64}
{$ifdef cpu86_64}
default_target(source_info.system);
{$else cpu86_64}
default_target(system_x86_64_linux);
{$endif cpu86_64}
{$endif x86_64}
{$ifdef m68k}
{$ifdef cpu68}
default_target(source_info.target);
{$else cpu68}
default_target(system_m68k_linux);
{$endif cpu68}
{$endif m68k}
{$ifdef alpha}
{$ifdef cpualpha}
default_target(source_info.system);
{$else cpualpha}
default_target(system_alpha_linux);
{$endif cpualpha}
{$endif alpha}
{$ifdef powerpc}
{$ifdef cpupowerpc}
default_target(source_info.system);
{$else cpupowerpc}
default_target(system_powerpc_linux);
{$endif cpupowerpc}
{$endif powerpc}
{$ifdef sparc}
{$ifdef cpusparc}
default_target(source_info.system);
{$else cpusparc}
default_target(system_sparc_linux);
{$endif cpusparc}
{$endif sparc}
{$ifdef arm}
{$ifdef cpuarm}
default_target(source_info.system);
{$else cpuarm}
default_target(system_arm_linux);
{$endif cpuarm}
{$endif arm}
end;
initialization
source_info.name:='';
finalization
DeregisterInfos;
end.
{
$Log$
Revision 1.67 2003-08-08 15:49:24 olle
* merged macos entry/exit code generation into the general one.
Revision 1.66 2003/07/21 11:52:57 florian
* very basic stuff for the arm
Revision 1.65 2003/05/31 16:17:27 marco
* cpuppc -> cpupowerpc. Target compiler was always linux for ppc
Revision 1.64 2003/05/28 23:18:31 florian
* started to fix and clean up the sparc port
Revision 1.63 2003/05/25 23:15:04 marco
* NetBSD target support. OpenBSD reserved in the enum, for future use.
Revision 1.62 2003/05/20 23:54:00 florian
+ basic darwin support added
Revision 1.61 2003/05/18 15:15:59 florian
+ added abi field to tsysteminfo
Revision 1.60 2003/03/23 23:21:42 hajny
+ emx target added
Revision 1.59 2003/01/12 15:42:23 peter
* m68k pathexist update from 1.0.x
* palmos res update from 1.0.x
Revision 1.58 2003/01/05 13:36:53 florian
* x86-64 compiles
+ very basic support for float128 type (x86-64 only)
Revision 1.57 2002/10/05 12:43:29 carl
* fixes for Delphi 6 compilation
(warning : Some features do not work under Delphi)
Revision 1.56 2002/10/03 21:18:29 carl
* correct tsystem enumeration
Revision 1.55 2002/09/07 18:05:51 florian
* first part of PowerPC fixes
Revision 1.54 2002/08/20 21:40:44 florian
+ target macos for ppc added
+ frame work for mpw assembler output
Revision 1.53 2002/08/18 09:13:02 florian
* small fixes to the alpha stuff
Revision 1.52 2002/08/13 21:40:57 florian
* more fixes for ppc calling conventions
Revision 1.51 2002/08/12 15:08:40 carl
+ stab register indexes for powerpc (moved from gdb to cpubase)
+ tprocessor enumeration moved to cpuinfo
+ linker in target_info is now a class
* many many updates for m68k (will soon start to compile)
- removed some ifdef or correct them for correct cpu
Revision 1.50 2002/08/10 14:46:31 carl
+ moved target_cpu_string to cpuinfo
* renamed asmmode enum.
* assembler reader has now less ifdef's
* move from nppcmem.pas -> ncgmem.pas vec. node.
Revision 1.49 2002/07/28 20:45:22 florian
+ added direct assembler reader for PowerPC
Revision 1.48 2002/07/26 21:15:42 florian
* rewrote the system handling
Revision 1.47 2002/07/04 20:43:02 florian
* first x86-64 patches
Revision 1.46 2002/07/01 18:46:29 peter
* internal linker
* reorganized aasm layer
Revision 1.45 2002/05/18 13:34:21 peter
* readded missing revisions
Revision 1.44 2002/05/16 19:46:45 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 1.42 2002/05/06 19:52:04 carl
+ added more patches from Mazen for SPARC port
Revision 1.41 2002/04/24 16:08:30 carl
* fix compilation problem
Revision 1.40 2002/04/20 21:32:26 carl
+ generic FPC_CHECKPOINTER
+ first parameter offset in stack now portable
* rename some constants
+ move some cpu stuff to other units
- remove unused constents
* fix stacksize for some targets
* fix generic size problems which depend now on EXTEND_SIZE constant
Revision 1.39 2002/04/15 19:08:22 carl
+ target_info.size_of_pointer -> pointer_size
+ some cleanup of unused types/variables
Revision 1.38 2002/04/14 16:56:30 carl
- remove duplicate comment
}
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