{
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 }
cpu_powerpc64 { 11 }
);
tasmmode= (asmmode_none
{ standard assembler (cpu dependant) with full parsing }
,asmmode_standard
,asmmode_i386_att
,asmmode_i386_intel
,asmmode_ppc_gas
,asmmode_ppc_motorola
,asmmode_arm_gas
,asmmode_sparc_gas
,asmmode_x86_64_gas
,asmmode_m68k_mot
,asmmode_x86_64_intel
,asmmode_x86_64_att
);
(* 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_solaris, { 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_solaris, { 22 }
system_sparc_linux, { 23 }
system_i386_openbsd, { 24 }
system_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 }
system_i386_watcom, { 32 }
system_powerpc_MorphOS, { 33 }
system_x86_64_freebsd, { 34 }
system_i386_netwlibc, { 35 }
system_powerpc_Amiga, { 36 }
system_x86_64_win64, { 37 }
system_arm_wince, { 38 }
system_ia64_win64, { 39 }
system_i386_wince, { 40 }
system_x86_6432_linux, { 41 }
system_arm_gba, { 42 }
system_powerpc64_linux, { 43 }
system_i386_darwin, { 44 }
system_arm_palmos, { 45 }
system_powerpc64_darwin, { 46 }
system_arm_nds, { 47 }
system_i386_embedded, { 48 }
system_m68k_embedded, { 49 }
system_alpha_embedded, { 50 }
system_powerpc_embedded, { 51 }
system_sparc_embedded, { 52 }
system_vm_embedded, { 53 }
system_iA64_embedded, { 54 }
system_x86_64_embedded, { 55 }
system_mips_embedded, { 56 }
system_arm_embedded, { 57 }
system_powerpc64_embedded, { 58 }
system_i386_symbian, { 59 }
system_arm_symbian { 60 }
);
tasm = (as_none
,as_gas { standard gnu assembler }
,as_i386_as_aout
,as_i386_nasmcoff
,as_i386_nasmwin32
,as_i386_nasmwdosx
,as_i386_nasmelf
,as_i386_nasmobj
,as_i386_nasmbeos
,as_i386_tasm
,as_i386_masm
,as_i386_wasm
,as_i386_coff
,as_i386_pecoff
,as_i386_elf32
,as_i386_pecoffwdosx
,as_m68k_mit
,as_powerpc_mpw
,as_darwin
,as_x86_64_masm
,as_x86_64_pecoff
,as_i386_pecoffwince
,as_arm_pecoffwince
,as_x86_64_elf64
,as_sparc_elf32
,as_ggas { gnu assembler called "gas" instead of "as" }
);
tar = (ar_none
,ar_gnu_ar
,ar_mpw_ar
,ar_gnu_ar_scripted
,ar_gnu_gar
);
tres = (res_none
,res_gnu_windres,res_emxbind
,res_m68k_palmos,res_m68k_mpw
,res_powerpc_mpw,res_elf
,res_gnu_wince_windres
,res_win64_gorc
);
tdbg = (dbg_none
,dbg_stabs,dbg_dwarf2,dbg_dwarf3
);
tscripttype = (script_none
,script_dos,script_unix,script_amiga,
script_mpw
);
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;
TAbstractResourceFile = class
constructor create(const fn : ansistring);virtual;abstract;
end;
TAbstractResourceFileClass = class of TAbstractResourceFile;
palignmentinfo = ^talignmentinfo;
talignmentinfo = record
procalign,
loopalign,
jumpalign,
constalignmin,
constalignmax,
varalignmin,
varalignmax,
localalignmin,
localalignmax,
recordalignmin,
recordalignmax,
maxCrecordalign : longint;
end;
tasmflags = (af_none,
af_outputbinary,af_allowdirect,
af_needar,af_smartlink_sections,
af_labelprefix_only_inside_procedure,
af_supports_dwarf,
af_no_debug
);
pasminfo = ^tasminfo;
tasminfo = record
id : tasm;
idtxt : string[12];
asmbin : string[8];
asmcmd : string[50];
supported_target : tsystem;
flags : set of tasmflags;
labelprefix : string[3];
comment : string[3];
end;
parinfo = ^tarinfo;
tarinfo = record
id : tar;
arcmd : string[50];
arfinishcmd : string[10];
end;
presinfo = ^tresinfo;
tresinfo = record
id : tres;
{ Compiler for resource (.rc or .res) to obj }
resbin : string[8];
rescmd : string[50];
{ Optional compiler for resource script (.rc) to binary resource (.res). }
{ If it is not provided resbin and rescmd will be used. }
rcbin : string[8];
rccmd : string[50];
resourcefileclass : TAbstractResourceFileClass;
end;
pdbginfo = ^tdbginfo;
tdbginfo = record
id : tdbg;
idtxt : string[12];
end;
tsystemflags = (tf_none,
tf_under_development,
tf_need_export,
tf_needs_isconsole,
tf_code_small,
tf_static_reg_based,
tf_needs_symbol_size,
tf_smartlink_sections,
tf_needs_dwarf_cfi,
tf_use_8_3,
tf_pic_uses_got,
tf_library_needs_pic,
tf_needs_symbol_type,
tf_section_threadvars,
tf_files_case_sensitive,
tf_files_case_aware,
tf_p_ext_support,
tf_has_dllscanner,
tf_use_function_relative_addresses,
tf_winlikewidestring,
tf_dwarf_relative_addresses, // use offsets where the Dwarf spec requires this instead of absolute addresses (the latter is needed by Linux binutils)
tf_dwarf_only_local_labels // only use local labels inside the Dwarf debug_info section (needed for e.g. Darwin)
);
psysteminfo = ^tsysteminfo;
{ using packed causes bus errors on processors which require alignment }
tsysteminfo = record
system : tsystem;
name : string[34];
shortname : string[9];
flags : set of tsystemflags;
cpu : tsystemcpu;
unit_env : string[16];
extradefines : string[40];
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;
assem : tasm;
assemextern : tasm; { external assembler, used by -a }
link : tabstractlinkerclass;
linkextern : tabstractlinkerclass; { external linker, used by -s }
ar : tar;
res : tres;
dbg : tdbg;
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;
stacksize : longint;
abi : tabi;
end;
const
{ alias for supported_target field in tasminfo }
system_any = system_none;
system_wince = [system_arm_wince,system_i386_wince];
system_linux = [system_i386_linux,system_x86_64_linux,system_powerpc_linux,
system_arm_linux,system_sparc_linux,system_alpha_linux,system_m68k_linux,
system_x86_6432_linux];
{ all real windows systems, no cripple ones like wince, wdosx et. al. }
system_windows = [system_i386_win32,system_x86_64_win64,system_ia64_win64];
{ all windows systems }
system_all_windows = [system_i386_win32,system_x86_64_win64,system_ia64_win64,
system_arm_wince,system_i386_wince];
{ all systems supporting exports from programs or units }
system_unit_program_exports = [system_i386_win32,
system_i386_wdosx,
system_i386_Netware,
system_i386_netwlibc,
system_arm_wince,
system_x86_64_win64,
system_ia64_win64]+system_linux;
system_internal_sysinit = [system_i386_linux,system_i386_win32];
system_embedded = [system_i386_embedded,system_m68k_embedded,system_alpha_embedded,
system_powerpc_embedded,system_sparc_embedded,system_vm_embedded,
system_iA64_embedded,system_x86_64_embedded,system_mips_embedded,
system_arm_embedded,system_powerpc64_embedded];
cpu2str : array[TSystemCpu] of string =
('','i386','m68k','alpha','powerpc','sparc','vm','ia64','x86_64',
'mips','arm', 'powerpc64');
var
targetinfos : array[tsystem] of psysteminfo;
arinfos : array[tar] of parinfo;
resinfos : array[tres] of presinfo;
asminfos : array[tasm] of pasminfo;
dbginfos : array[tdbg] of pdbginfo;
source_info : tsysteminfo;
target_cpu : tsystemcpu;
target_info : tsysteminfo;
target_asm : tasminfo;
target_ar : tarinfo;
target_res : tresinfo;
target_dbg : tdbginfo;
target_cpu_string,
target_os_string : string[12]; { for rtl/<X>/,fcl/<X>/, etc. }
target_full_string : string[24];
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_dbg(t:tdbg):boolean;
function find_system_by_string(const s : string) : tsystem;
function find_asm_by_string(const s : string) : tasm;
function find_dbg_by_string(const s : string) : tdbg;
procedure set_source_info(const ti : tsysteminfo);
procedure UpdateAlignment(var d:talignmentinfo;const s:talignmentinfo);
procedure RegisterTarget(const r:tsysteminfo);
procedure RegisterRes(const r:tresinfo; rcf : TAbstractResourceFileClass);
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;
{$ifdef FreeBSD}
function GetOSRelDate:Longint;
{$endif}
implementation
uses
cutils{$ifdef FreeBSD},SysCtl,BaseUnix{$endif};
{****************************************************************************
OS runtime version detection utility routine
****************************************************************************}
{$ifdef FreeBSD}
function GetOSRelDate:Longint;
var
mib : array[0..1] of cint;
rval : cint;
len : size_t;
i : longint;
v : longint;
oerrno : cint;
S : AnsiString;
Begin
s:='ab';
SetLength(S,50);
mib[0] := CTL_KERN;
mib[1] := KERN_OSRELDATE;
len := 4;
oerrno:= fpgeterrno;
if (FPsysctl(pChar(@mib), 2, pchar(@v), @len, NIL, 0) = -1) Then
Begin
if (fpgeterrno = ESysENOMEM) Then
fpseterrno(oerrno);
GetOSRelDate:=0;
End
else
GetOSRelDate:=v;
End;
{$endif}
{****************************************************************************
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);
set_target_dbg(target_info.dbg);
target_cpu:=target_info.cpu;
target_os_string:=lower(target_info.shortname);
target_cpu_string:=cpu2str[target_cpu];
target_full_string:=target_cpu_string+'-'+target_os_string;
set_target:=true;
exit;
end;
end;
function set_target_asm(t:tasm):boolean;
begin
set_target_asm:=false;
if assigned(asminfos[t]) and
((asminfos[t]^.supported_target=target_info.system) or
(asminfos[t]^.supported_target=system_any)) then
begin
target_asm:=asminfos[t]^;
set_target_asm:=true;
exit;
end;
end;
function set_target_ar(t:tar):boolean;
begin
result:=false;
if assigned(arinfos[t]) then
begin
target_ar:=arinfos[t]^;
result:=true;
exit;
end;
end;
function set_target_res(t:tres):boolean;
begin
result:=false;
if assigned(resinfos[t]) then
begin
target_res:=resinfos[t]^;
result:=true;
exit;
end;
end;
function set_target_dbg(t:tdbg):boolean;
begin
result:=false;
if assigned(dbginfos[t]) then
begin
target_dbg:=dbginfos[t]^;
result:=true;
exit;
end;
end;
function find_system_by_string(const s : string) : tsystem;
var
hs : string;
t : tsystem;
begin
result:=system_none;
hs:=upper(s);
for t:=low(tsystem) to high(tsystem) do
if assigned(targetinfos[t]) and
(upper(targetinfos[t]^.shortname)=hs) then
begin
result:=t;
exit;
end;
end;
function find_asm_by_string(const s : string) : tasm;
var
hs : string;
t : tasm;
begin
result:=as_none;
hs:=upper(s);
for t:=low(tasm) to high(tasm) do
if assigned(asminfos[t]) and
(asminfos[t]^.idtxt=hs) then
begin
result:=t;
exit;
end;
end;
function find_dbg_by_string(const s : string) : tdbg;
var
hs : string;
t : tdbg;
begin
result:=dbg_none;
hs:=upper(s);
for t:=low(tdbg) to high(tdbg) do
if assigned(dbginfos[t]) and
(dbginfos[t]^.idtxt=hs) then
begin
result:=t;
exit;
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.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 RegisterRes(const r:tresinfo; rcf : TAbstractResourceFileClass);
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;
resinfos[t]^.resourcefileclass:=rcf;
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;
res : tres;
dbg : tdbg;
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 dbg:=low(tdbg) to high(tdbg) do
if assigned(dbginfos[dbg]) then
begin
freemem(dbginfos[dbg],sizeof(tdbginfo));
dbginfos[dbg]:=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}
{$ifdef cpu86}
default_target(source_info.system);
{$define default_target_set}
{$else cpu86}
{$ifdef linux}
default_target(system_i386_linux);
{$define default_target_set}
{$endif}
{$ifdef freebsd}
default_target(system_i386_freebsd);
{$define default_target_set}
{$endif}
{$ifdef darwin}
default_target(system_i386_darwin);
{$define default_target_set}
{$endif}
{$endif cpu86}
{ default is linux }
{$ifndef default_target_set}
default_target(system_i386_linux);
{$endif default_target_set}
{$endif i386}
{$ifdef x86_64}
{$ifdef cpux86_64}
default_target(source_info.system);
{$define default_target_set}
{$else cpux86_64}
{$ifdef MSWindows}
default_target(system_x86_64_win64);
{$define default_target_set}
{$endif}
{$ifdef linux}
default_target(system_x86_64_linux);
{$define default_target_set}
{$endif}
{$ifdef freebsd}
default_target(system_x86_64_freebsd);
{$define default_target_set}
{$endif}
{$endif cpux86_64}
{ default is linux }
{$ifndef default_target_set}
default_target(system_x86_64_linux);
{$endif default_target_set}
{$endif x86_64}
{$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}
{$ifdef cpupowerpc}
default_target(source_info.system);
{$define default_target_set}
{$else cpupowerpc}
{$ifdef linux}
default_target(system_powerpc_linux);
{$define default_target_set}
{$endif}
{$ifdef darwin}
default_target(system_powerpc_darwin);
{$define default_target_set}
{$endif}
{$endif cpupowerpc}
{$ifndef default_target_set}
default_target(system_powerpc_linux);
{$endif default_target_set}
{$endif powerpc}
{$ifdef POWERPC64}
{$ifdef cpupowerpc64}
default_target(source_info.system);
{$define default_target_set}
{$else cpupowerpc64}
default_target(system_powerpc64_linux);
{$define default_target_set}
{$endif cpupowerpc64}
{$endif POWERPC64}
{$ifdef sparc}
{$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}
{$ifdef WINDOWS}
default_target(system_arm_wince);
{$else WINDOWS}
default_target(system_arm_linux);
{$endif WINDOWS}
{$endif cpuarm}
{$endif arm}
end;
initialization
source_info.name:='';
finalization
DeregisterInfos;
end.
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