mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-08-15 20:49:23 +02:00
+ added currency and widestring support to TWriter and TReader
This commit is contained in:
florian
parent
d4576c1075
commit
cd81fa77ea
@ -34,23 +34,54 @@ procedure fpc_cpuinit;
|
||||
begin
|
||||
end;
|
||||
|
||||
{ Don't call the following routines directly. }
|
||||
Procedure Hlt;[public,alias: 'FPC_HALT_ERROR'];
|
||||
{ called by code generator on run-time errors. }
|
||||
{ on entry contains d0 = error code. }
|
||||
var
|
||||
b:byte; { only byte is used... }
|
||||
{$define FPC_SYSTEM_HAS_GET_FRAME}
|
||||
function get_frame : pointer; assembler;
|
||||
asm
|
||||
move.l a6,d0
|
||||
end;
|
||||
|
||||
|
||||
{$define FPC_SYSTEM_HAS_GET_CALLER_ADDR}
|
||||
function get_caller_addr(framebp : pointer) : pointer;
|
||||
begin
|
||||
asm
|
||||
move.b d0,b
|
||||
end;
|
||||
HandleError(b);
|
||||
move.l FRAMEBP,a0
|
||||
cmp.l #0,a0
|
||||
beq @Lnul_address
|
||||
move.l 4(a0),a0
|
||||
@Lnul_address:
|
||||
move.l a0,@RESULT
|
||||
end ['a0'];
|
||||
end;
|
||||
|
||||
|
||||
{$define FPC_SYSTEM_HAS_GET_CALLER_FRAME}
|
||||
function get_caller_frame(framebp : pointer) : pointer;
|
||||
begin
|
||||
asm
|
||||
move.l FRAMEBP,a0
|
||||
cmp.l #0,a0
|
||||
beq @Lnul_frame
|
||||
move.l (a0),a0
|
||||
@Lnul_frame:
|
||||
move.l a0,@RESULT
|
||||
end ['a0'];
|
||||
end;
|
||||
|
||||
|
||||
Procedure FillChar(var x;count:longint;value:byte);[public,alias: 'FPC_FILL_OBJECT'];
|
||||
{$define FPC_SYSTEM_HAS_SPTR}
|
||||
function Sptr : Longint;
|
||||
begin
|
||||
asm
|
||||
move.l sp,d0
|
||||
add.l #8,d0
|
||||
move.l d0,@RESULT
|
||||
end ['d0'];
|
||||
end;
|
||||
|
||||
|
||||
{$define FPC_SYSTEM_HAS_FILLCHAR}
|
||||
procedure FillChar(var x;count:longint;value:byte);[public,alias: 'FPC_FILL_OBJECT'];
|
||||
begin
|
||||
asm
|
||||
move.l 8(a6), a0 { destination }
|
||||
@ -76,268 +107,8 @@ end;
|
||||
end ['d0','d1','a0'];
|
||||
end;
|
||||
|
||||
Procedure FillObject(var x; count: longint; value: byte);
|
||||
begin
|
||||
asm
|
||||
move.l 8(a6), a0 { destination }
|
||||
move.l 12(a6), d1 { number of bytes to fill }
|
||||
move.w 16(a6),d0 { fill data }
|
||||
cmp.l #65535, d1 { check, if this is a word move }
|
||||
ble @LMEMSET3 { use fast dbra mode }
|
||||
bra @LMEMSET2
|
||||
@LMEMSET1:
|
||||
move.b d0,(a0)+
|
||||
@LMEMSET2:
|
||||
subq.l #1,d1
|
||||
cmp.l #-1,d1
|
||||
bne @LMEMSET1
|
||||
bra @LMEMSET5 { finished slow mode , exit }
|
||||
|
||||
@LMEMSET4: { fast loop mode section 68010+ }
|
||||
move.b d0,(a0)+
|
||||
@LMEMSET3:
|
||||
dbra d1,@LMEMSET4
|
||||
|
||||
@LMEMSET5:
|
||||
end ['d0','d1','a0'];
|
||||
end;
|
||||
|
||||
procedure int_help_constructor;[public,alias:'FPC_HELP_CONSTRUCTOR'];
|
||||
|
||||
begin
|
||||
asm
|
||||
{ Entry without preamble, since we need the ESP of the
|
||||
constructor }
|
||||
{ Stack (relative to %ebp):
|
||||
12 Self
|
||||
8 VMT-Address
|
||||
4 main programm-Addr
|
||||
0 %ebp
|
||||
}
|
||||
{ do we have to initialize self }
|
||||
{ we just need to check for zero }
|
||||
move.l a5,d0
|
||||
tst.l d0 { set flags }
|
||||
bne @LHC_4
|
||||
|
||||
{ get memory, but save register first }
|
||||
{ temporary variable }
|
||||
subq.l #4,sp
|
||||
move.l sp,a5
|
||||
{ Save Registers }
|
||||
movem.l d0-a7,-(sp)
|
||||
{ Memory size }
|
||||
move.l 8(a6),a0
|
||||
move.l (a0),-(sp)
|
||||
{ push method pointer }
|
||||
move.l a5,-(sp)
|
||||
jsr FPC_GETMEM
|
||||
{ Restore all registers in the correct order }
|
||||
movem.l (sp)+,d0-a7
|
||||
{ Memory position to a5 }
|
||||
move.l (a5),a5
|
||||
addq.l #4,sp
|
||||
{ If no memory available : fail() }
|
||||
move.l a5,d0
|
||||
tst.l d0 { set flags for a5 }
|
||||
beq @LHC_5
|
||||
{ init self for the constructor }
|
||||
move.l a5,12(a6)
|
||||
@LHC_4:
|
||||
{ is there a VMT address ? }
|
||||
move.l 8(a6),d0
|
||||
or.l d0,d0
|
||||
bne @LHC_7
|
||||
{ In case the constructor doesn't do anything, the Zero-Flag }
|
||||
{ can't be put, because this calls Fail() }
|
||||
add.l #1,d0
|
||||
rts
|
||||
@LHC_7:
|
||||
{ set zero inside the object }
|
||||
{ Save Registers }
|
||||
movem.l d0-a7,-(sp)
|
||||
move.w #0,-(sp)
|
||||
|
||||
move.l 8(a6),a0
|
||||
move.l (a0),-(sp)
|
||||
move.l a5,-(sp)
|
||||
{ }
|
||||
jsr FPC_FILLOBJECT
|
||||
{ Restore all registers in the correct order }
|
||||
movem.l (sp)+,d0-a7
|
||||
{ set the VMT address for the new created object }
|
||||
{$ifdef OBJECTVMTOFFSET}
|
||||
{ the offset is in %edi since the calling and has not been changed !! }
|
||||
move.l 8(a6),d1
|
||||
move.l d1,(a5,d0.l)
|
||||
{$else OBJECTVMTOFFSET}
|
||||
move.l 8(a6),d0
|
||||
move.l d0,(a5)
|
||||
{$endif OBJECTVMTOFFSET}
|
||||
or.l d0,d0
|
||||
@LHC_5:
|
||||
rts
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure help_fail;
|
||||
|
||||
begin
|
||||
asm
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure int_help_destructor;[public,alias:'FPC_HELP_DESTRUCTOR'];
|
||||
|
||||
begin
|
||||
asm
|
||||
{ Stack (relative to %ebp):
|
||||
12 Self
|
||||
8 VMT-Address
|
||||
4 Main program-Addr
|
||||
0 %ebp
|
||||
d0 contains vmt_offset
|
||||
}
|
||||
{ temporary Variable }
|
||||
subq.l #4,sp
|
||||
move.l sp,d6
|
||||
{ Save Registers }
|
||||
movem.l d0-a7,-(sp)
|
||||
|
||||
move.l 8(a6),d1 { Get the address of the vmt }
|
||||
or.l d1,d1 { Check if there is a vmt }
|
||||
beq @LHD_3
|
||||
{ Yes, get size from SELF! }
|
||||
move.l 12(a6),a0
|
||||
{ get VMT-pointer (from Self) to %ebx }
|
||||
{$ifdef OBJECTVMTOFFSET}
|
||||
{ the offset is in d0 since the calling and has not been changed !! }
|
||||
move.l (a0,d0.l),a1
|
||||
{$else OBJECTVMTOFFSET}
|
||||
move.l (a0),a1
|
||||
{$endif OBJECTVMTOFFSET}
|
||||
{ And put size on the Stack }
|
||||
move.l (a1),-(sp)
|
||||
{ SELF }
|
||||
{ I think for precaution }
|
||||
{ that we should clear the VMT here }
|
||||
clr.l (a0)
|
||||
{ get address of local variable into }
|
||||
{ address register }
|
||||
move.l d6,a1
|
||||
move.l a0,(a1)
|
||||
move.l a1,-(sp)
|
||||
jsr FPC_FREEMEM
|
||||
@LHD_3:
|
||||
{ Restore all registers in the correct order }
|
||||
movem.l (sp)+,d0-a7
|
||||
add.l #4,sp
|
||||
rts
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure new_class;assembler;[public,alias:'FPC_NEW_CLASS'];
|
||||
|
||||
asm
|
||||
{ create class ? }
|
||||
move.l 8(a6), d0
|
||||
tst.l d0
|
||||
{ check for nil... }
|
||||
beq @NEW_CLASS1
|
||||
|
||||
{ a5 contains vmt }
|
||||
move.l a5,-(sp)
|
||||
{ call newinstance (class method!) }
|
||||
jsr 16(a5)
|
||||
{ new instance returns a pointer to the new created }
|
||||
{ instance in d0 }
|
||||
{ load a5 and insert self }
|
||||
move.l d0,8(a6)
|
||||
move.l d0,a5
|
||||
bra @end
|
||||
@NEW_CLASS1:
|
||||
move.l a5,8(a6)
|
||||
@end:
|
||||
end;
|
||||
|
||||
|
||||
|
||||
procedure dispose_class;assembler;[public,alias:'FPC_DISPOSE_CLASS'];
|
||||
|
||||
asm
|
||||
{ destroy class ? }
|
||||
move.l 8(a6),d0
|
||||
{ save self }
|
||||
move.l a5,8(a6)
|
||||
tst.l d0
|
||||
beq @DISPOSE_CLASS
|
||||
{ no inherited call }
|
||||
move.l (a5),d0
|
||||
{ push self }
|
||||
move.l a5,-(sp)
|
||||
{ call freeinstance }
|
||||
move.l d0,a0
|
||||
jsr 20(a0)
|
||||
@DISPOSE_CLASS:
|
||||
{ load self }
|
||||
move.l 8(a6),a5
|
||||
end;
|
||||
|
||||
{ checks for a correct vmt pointer }
|
||||
procedure int_check_object;assembler;[public,alias:'FPC_CHECK_OBJECT'];
|
||||
{ ON ENTRY: a0 -> Pointer to the VMT }
|
||||
{ Nota: All registers must be preserved including }
|
||||
{ A0 itself! }
|
||||
asm
|
||||
move.l d0,-(sp)
|
||||
tst.l a0
|
||||
{ z flag set if zero }
|
||||
beq @co_re
|
||||
|
||||
move.l (a0),d0
|
||||
add.l 4(a0),d0
|
||||
bne @co_re
|
||||
bra @end
|
||||
@co_re:
|
||||
move.l (sp)+,d0
|
||||
move.b #210,d0
|
||||
jsr FPC_HALT_ERROR
|
||||
@end:
|
||||
move.l (sp)+,d0
|
||||
end;
|
||||
|
||||
|
||||
function get_frame : longint; assembler;
|
||||
asm
|
||||
move.l a6,d0
|
||||
end;
|
||||
|
||||
|
||||
function get_caller_addr(framebp:longint):longint;
|
||||
begin
|
||||
asm
|
||||
move.l FRAMEBP,a0
|
||||
cmp.l #0,a0
|
||||
beq @Lnul_address
|
||||
move.l 4(a0),a0
|
||||
@Lnul_address:
|
||||
move.l a0,@RESULT
|
||||
end ['a0'];
|
||||
end;
|
||||
|
||||
function get_caller_frame(framebp:longint):longint;
|
||||
|
||||
begin
|
||||
asm
|
||||
move.l FRAMEBP,a0
|
||||
cmp.l #0,a0
|
||||
beq @Lnul_frame
|
||||
move.l (a0),a0
|
||||
@Lnul_frame:
|
||||
move.l a0,@RESULT
|
||||
end ['a0'];
|
||||
end;
|
||||
|
||||
{$ifdef dummy}
|
||||
{ procedure strcopy(dstr,sstr : pointer;len : longint);[public,alias: 'STRCOPY'];}
|
||||
procedure strcopy; assembler;[public,alias: 'FPC_STRCOPY'];
|
||||
{---------------------------------------------------}
|
||||
@ -377,11 +148,11 @@ end;
|
||||
@Lend:
|
||||
end;
|
||||
|
||||
|
||||
{ Concatenate Strings }
|
||||
{ PARAMETERS ARE REVERSED COMPARED TO NORMAL! }
|
||||
{ therefore online assembler may not parse the params as normal }
|
||||
procedure strconcat(s1,s2 : pointer);[public,alias: 'STRCONCAT'];
|
||||
|
||||
begin
|
||||
asm
|
||||
move.b #255,d0
|
||||
@ -458,37 +229,10 @@ end;
|
||||
cmp.b d1,d0 { Compare length - set flag if equal length strings }
|
||||
@LSTRCONCAT3:
|
||||
end;
|
||||
{$endif dummy}
|
||||
|
||||
|
||||
Function strpas(p: pchar): string;
|
||||
{ only 255 first characters are actually copied. }
|
||||
var
|
||||
counter : byte;
|
||||
str: string;
|
||||
Begin
|
||||
counter := 0;
|
||||
str := '';
|
||||
while (ord(p[counter]) <> 0) and (counter < 255) do
|
||||
begin
|
||||
counter:=counter+1;
|
||||
str[counter] := char(p[counter-1]);
|
||||
end;
|
||||
str[0] := char(counter);
|
||||
strpas := str;
|
||||
end;
|
||||
|
||||
function strlen(p : pchar) : longint;
|
||||
var
|
||||
counter : longint;
|
||||
Begin
|
||||
counter := 0;
|
||||
repeat
|
||||
counter:=counter+1;
|
||||
until ord(p[counter]) = 0;
|
||||
strlen := counter;
|
||||
end;
|
||||
|
||||
|
||||
{$define FPC_SYSTEM_HAS_MOVE}
|
||||
procedure move(var source;var dest;count : longint);
|
||||
{ base pointer+8 = source }
|
||||
{ base pointer+12 = destination }
|
||||
@ -545,8 +289,8 @@ end;
|
||||
end;
|
||||
|
||||
|
||||
{$define FPC_SYSTEM_HAS_FILLWORD}
|
||||
procedure fillword(var x;count : longint;value : word);
|
||||
|
||||
begin
|
||||
asm
|
||||
move.l 8(a6), a0 { destination }
|
||||
@ -563,8 +307,8 @@ end;
|
||||
end;
|
||||
|
||||
|
||||
{$define FPC_SYSTEM_HAS_ABS_LONGINT}
|
||||
function abs(l : longint) : longint;
|
||||
|
||||
begin
|
||||
asm
|
||||
move.l 8(a6),d0
|
||||
@ -576,123 +320,13 @@ end;
|
||||
end ['d0'];
|
||||
end;
|
||||
|
||||
function odd(l : longint) : boolean;
|
||||
|
||||
begin
|
||||
if (l and $01) = $01 then
|
||||
odd := TRUE
|
||||
else
|
||||
odd := FALSE;
|
||||
end;
|
||||
|
||||
function sqr(l : longint) : longint;
|
||||
|
||||
begin
|
||||
sqr := l*l;
|
||||
end;
|
||||
|
||||
procedure int_str(l : longint;var s : string);
|
||||
|
||||
var
|
||||
value: longint;
|
||||
negative: boolean;
|
||||
|
||||
begin
|
||||
negative := false;
|
||||
s:='';
|
||||
{ Workaround: }
|
||||
if l=$80000000 then
|
||||
begin
|
||||
s:='-2147483648';
|
||||
exit;
|
||||
end;
|
||||
{ handle case where l = 0 }
|
||||
if l = 0 then
|
||||
begin
|
||||
s:='0';
|
||||
exit;
|
||||
end;
|
||||
If l < 0 then
|
||||
begin
|
||||
negative := true;
|
||||
value:=abs(l);
|
||||
end
|
||||
else
|
||||
value:=l;
|
||||
{ handle non-zero case }
|
||||
while value>0 do
|
||||
begin
|
||||
s:=char((value mod 10)+ord('0'))+s;
|
||||
value := value div 10;
|
||||
end;
|
||||
if negative then
|
||||
s := '-' + s;
|
||||
end;
|
||||
|
||||
|
||||
Function Sptr : Longint;
|
||||
begin
|
||||
asm
|
||||
move.l sp,d0
|
||||
add.l #8,d0
|
||||
move.l d0,@RESULT
|
||||
end ['d0'];
|
||||
end;
|
||||
|
||||
|
||||
|
||||
|
||||
Procedure BoundsCheck;assembler;[public,alias:'FPC_RE_BOUNDS_CHECK'];
|
||||
{ called by code generator with R+ state to }
|
||||
{ determine if a range check occured. }
|
||||
{ Only in 68000 mode, in 68020 mode this is }
|
||||
{ inline. }
|
||||
{ On Entry: }
|
||||
{ A1 = address contaning min and max indexes }
|
||||
{ D0 = value of current index to check. }
|
||||
asm
|
||||
cmp.l (A1),D0 { lower bound ... }
|
||||
bmi @rebounderr { is index lower ... }
|
||||
add.l #4,A1
|
||||
cmp.l (A1),D0
|
||||
bmi @reboundend
|
||||
beq @reboundend
|
||||
@rebounderr:
|
||||
move.l #201,d0
|
||||
jsr FPC_HALT_ERROR
|
||||
@reboundend:
|
||||
end;
|
||||
|
||||
{****************************************************************************
|
||||
IoCheck
|
||||
****************************************************************************}
|
||||
|
||||
procedure int_iocheck(addr : longint);[public,alias: {$ifdef FPCNAMES}'FPC_'+{$endif}'IOCHECK'];
|
||||
var
|
||||
l : longint;
|
||||
begin
|
||||
asm
|
||||
movem.l d0-a7,-(sp)
|
||||
end;
|
||||
if InOutRes<>0 then
|
||||
begin
|
||||
l:=InOutRes;
|
||||
InOutRes:=0;
|
||||
If ErrorProc<>Nil then
|
||||
TErrorProc(Errorproc)(l,pointer(addr));
|
||||
{$ifndef RTLLITE}
|
||||
writeln('IO-Error ',l,' at 0x',HexStr(addr,8));
|
||||
{$endif}
|
||||
Halt(byte(l));
|
||||
end;
|
||||
asm
|
||||
movem.l (sp)+,d0-a7
|
||||
end;
|
||||
end;
|
||||
|
||||
{
|
||||
$Log$
|
||||
Revision 1.4 2004-01-02 17:22:14 jonas
|
||||
Revision 1.5 2004-05-23 12:42:42 florian
|
||||
+ added currency and widestring support to TWriter and TReader
|
||||
|
||||
Revision 1.4 2004/01/02 17:22:14 jonas
|
||||
+ fpc_cpuinit procedure to allow cpu/fpu initialisation before any unit
|
||||
initialises
|
||||
+ fpu exceptions for invalid operations and division by zero enabled for
|
||||
@ -700,5 +334,4 @@ end;
|
||||
|
||||
Revision 1.3 2002/09/07 16:01:20 peter
|
||||
* old logs removed and tabs fixed
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user