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{
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by Michael Van Canneyt,
member of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
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}
{$ENDIF SYS_LINUX}
{ This variable is needed in syscall.inc assembler code }
var
fpc_threadvar_relocate_proc : TRelocateThreadVarHandler; public name 'FPC_THREADVAR_RELOCATE';
{$define THREADVAR_RELOCATED_ALREADY_DEFINED}
{*****************************************************************************
--- Main:The System Call Self ---
*****************************************************************************}
function FpSysCall(sysnr:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL0'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
var
temp, retaddress: longint;
asm
mr r0,r3
sc
bns .LDone
lis r10,(fpc_threadvar_relocate_proc)@ha
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
cmpwi r10,0
bne .LThreaded
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
b .LFailed
.LThreaded:
stw r3,temp
mflr r3
mtctr r10
lis r4,(errno)@ha
stw r3,retaddress
lwz r3,(errno)@l(r4)
bctrl
lwz r4,temp
lwz r5,retaddress
stw r4,0(r3)
mtlr r5
.LFailed:
li r3,-1
.LDone:
end;
function FpSysCall(sysnr,param1:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL1'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
var
temp, retaddress: longint;
asm
mr r0,r3
mr r3,r4
sc
bns .LDone
lis r10,(fpc_threadvar_relocate_proc)@ha
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
cmpwi r10,0
bne .LThreaded
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
b .LFailed
.LThreaded:
stw r3,temp
mflr r3
mtctr r10
lis r4,(errno)@ha
stw r3,retaddress
lwz r3,(errno)@l(r4)
bctrl
lwz r4,temp
lwz r5,retaddress
stw r4,0(r3)
mtlr r5
.LFailed:
li r3,-1
.LDone:
end;
function FpSysCall(sysnr,param1,param2:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL2'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
var
temp, retaddress: longint;
asm
mr r0,r3
mr r3,r4
mr r4,r5
sc
bns .LDone
lis r10,(fpc_threadvar_relocate_proc)@ha
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
cmpwi r10,0
bne .LThreaded
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
b .LFailed
.LThreaded:
stw r3,temp
mflr r3
mtctr r10
lis r4,(errno)@ha
stw r3,retaddress
lwz r3,(errno)@l(r4)
bctrl
lwz r4,temp
lwz r5,retaddress
stw r4,0(r3)
mtlr r5
.LFailed:
li r3,-1
.LDone:
end;
function FpSysCall(sysnr,param1,param2,param3:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL3'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
var
temp, retaddress: longint;
asm
mr r0,r3
mr r3,r4
mr r4,r5
mr r5,r6
sc
bns .LDone
lis r10,(fpc_threadvar_relocate_proc)@ha
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
cmpwi r10,0
bne .LThreaded
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
b .LFailed
.LThreaded:
stw r3,temp
mflr r3
mtctr r10
lis r4,(errno)@ha
stw r3,retaddress
lwz r3,(errno)@l(r4)
bctrl
lwz r4,temp
lwz r5,retaddress
stw r4,0(r3)
mtlr r5
.LFailed:
li r3,-1
.LDone:
end;
function FpSysCall(sysnr,param1,param2,param3,param4:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL4'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
var
temp, retaddress: longint;
asm
mr r0,r3
mr r3,r4
mr r4,r5
mr r5,r6
mr r6,r7
sc
bns .LDone
lis r10,(fpc_threadvar_relocate_proc)@ha
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
cmpwi r10,0
bne .LThreaded
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
b .LFailed
.LThreaded:
stw r3,temp
mflr r3
mtctr r10
lis r4,(errno)@ha
stw r3,retaddress
lwz r3,(errno)@l(r4)
bctrl
lwz r4,temp
lwz r5,retaddress
stw r4,0(r3)
mtlr r5
.LFailed:
li r3,-1
.LDone:
end;
function FpSysCall(sysnr,param1,param2,param3,param4,param5:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL5'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
var
temp, retaddress: longint;
asm
mr r0,r3
mr r3,r4
mr r4,r5
mr r5,r6
mr r6,r7
mr r7,r8
sc
bns .LDone
lis r10,(fpc_threadvar_relocate_proc)@ha
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
cmpwi r10,0
bne .LThreaded
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
b .LFailed
.LThreaded:
stw r3,temp
mflr r3
mtctr r10
lis r4,(errno)@ha
stw r3,retaddress
lwz r3,(errno)@l(r4)
bctrl
lwz r4,temp
lwz r5,retaddress
stw r4,0(r3)
mtlr r5
.LFailed:
li r3,-1
.LDone:
end;
function FpSysCall(sysnr,param1,param2,param3,param4,param5,param6:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL6'];
{
This function puts the registers in place, does the call, and then
copies back the registers as they are after the SysCall.
}
var
temp, retaddress: longint;
asm
mr r0,r3
mr r3,r4
mr r4,r5
mr r5,r6
mr r6,r7
mr r7,r8
mr r8,r9
sc
bns .LDone
lis r10,(fpc_threadvar_relocate_proc)@ha
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
cmpwi r10,0
bne .LThreaded
lis r4,(Errno+4)@ha
stw r3,(Errno+4)@l(r4)
b .LFailed
.LThreaded:
stw r3,temp
mflr r3
mtctr r10
lis r4,(errno)@ha
stw r3,retaddress
lwz r3,(errno)@l(r4)
bctrl
lwz r4,temp
lwz r5,retaddress
stw r4,0(r3)
mtlr r5
.LFailed:
li r3,-1
.LDone:
end;
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