* 7 parameter syscall added. *BSD has calls with more params due to __syscall etc

This commit is contained in:
marco 2003-05-29 13:14:07 +00:00
parent 05c9ece088
commit 04926a9844

View File

@ -7,18 +7,15 @@
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
Syscalls for NetBSD/macppc. Merged from an initial version,
Jonas' linux version and some testing checking.
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.
**********************************************************************}
{No debugging for syslinux include !}
{$IFDEF SYS_LINUX}
{$UNDEF SYSCALL_DEBUG}
{$ENDIF SYS_LINUX}
{*****************************************************************************
--- Main:The System Call Self ---
*****************************************************************************}
@ -31,10 +28,9 @@ function FpSysCall(sysnr:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYS
asm
mr r0,r3
sc
blr
neg r3, r3
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
bnslr
lis r4,Errno@ha
stw r3,Errno@l(r4)
li r3,-1
end;
@ -47,10 +43,9 @@ asm
mr r0,r3
mr r3,r4
sc
blr
neg r3, r3
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
bnslr
lis r4,Errno@ha
stw r3,Errno@l(r4)
li r3,-1
end;
@ -65,10 +60,9 @@ asm
mr r3,r4
mr r4,r5
sc
blr
neg r3, r3
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
bnslr
lis r4,Errno@ha
stw r3,Errno@l(r4)
li r3,-1
end;
@ -83,11 +77,11 @@ asm
mr r4,r5
mr r5,r6
sc
blr
neg r3, r3
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
bnslr
lis r4,Errno@ha
stw r3,Errno@l(r4)
li r3,-1
end;
@ -103,10 +97,9 @@ asm
mr r5,r6
mr r6,r7
sc
blr
neg r3, r3
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
bnslr
lis r4,Errno@ha
stw r3,Errno@l(r4)
li r3,-1
end;
@ -123,10 +116,9 @@ asm
mr r6,r7
mr r7,r8
sc
blr
neg r3, r3
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
bnslr
lis r4,Errno@ha
stw r3,Errno@l(r4)
li r3,-1
end;
@ -145,15 +137,13 @@ asm
mr r7,r8
mr r8,r9
sc
blr
neg r3, r3
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
bnslr
lis r4,Errno@ha
stw r3,Errno@l(r4)
li r3,-1
end;
function FpSysCall(sysnr,param1,param2,param3,param4,param5,param6,param7:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL7'];
function FpSysCall(sysnr,param1,param2,param3,param4,param5,param6:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL7'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
@ -168,21 +158,17 @@ asm
mr r8,r9
mr r9,r10
sc
blr
neg r3, r3
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
bnslr
lis r4,Errno@ha
stw r3,Errno@l(r4)
li r3,-1
end;
{
$Log$
Revision 1.2 2003-05-25 13:51:58 jonas
* several fixes, addition of Mach trap numbers (thye are simply syscalls
with a negative number)
Revision 1.6 2003/05/23 21:58:30 jonas
* fixed storing to errno for single threaded programs
Revision 1.3 2003-05-29 13:14:07 marco
* 7 parameter syscall added. *BSD has calls with more params due to __syscall etc
Revision 1.5 2003/05/11 16:07:55 jonas
* fixed mmap for non-i386 non-m68k architectures (not sure about