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{
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2009 by Michael Van Canneyt and David Zhang
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}
{$ENDIF SYS_LINUX}
{$define FPC_SYSTEM_HAS_FPFORK}
{
behaviour of result of fork on sparc/linux is different than on other
linux flavours
}
function Fpfork : pid_t; [public, alias : 'FPC_SYSC_FORK'];assembler;
asm
li $2,4002
syscall
nop
beq $7,$0,.LDone
nop
move $a0,$2
jal SetErrno
nop
li $2,-1
.LDone:
end;
{*****************************************************************************
--- 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.
}
asm
move $v0,$a0
syscall
nop
beq $7,$0,.LDone
nop
move $a0,$2
jal SetErrno
nop
li $2,-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.
}
asm
move $v0,$a0
move $a0,$a1
syscall
nop
beq $7,$0,.LDone
nop
move $a0,$2
jal SetErrno
nop
li $2,-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.
}
asm
move $v0,$a0
move $a0,$a1
move $a1,$a2
syscall
nop
beq $7,$0,.LDone
nop
move $a0,$2
jal SetErrno
nop
li $2,-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.
}
asm
move $v0,$a0
move $a0,$a1
move $a1,$a2
move $a2,$a3
syscall
nop
beq $7,$0,.LDone
nop
move $a0,$2
jal SetErrno
nop
li $2,-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.
}
asm
move $v0,$a0
move $a0,$a1
move $a1,$a2
move $a2,$a3
lw $a3,param4
syscall
nop
beq $7,$0,.LDone
nop
move $a0,$2
jal SetErrno
nop
li $2,-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.
}
asm
move $v0,$a0
move $a0,$a1
move $a1,$a2
move $a2,$a3
lw $a3,param4
lw $t0,param5
sw $t0,16($sp)
syscall
nop
beq $7,$0,.LDone
nop
move $a0,$2
jal SetErrno
nop
li $2,-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.
}
asm
move $v0,$a0
move $a0,$a1
move $a1,$a2
move $a2,$a3
lw $a3,param4
lw $t0,param5
sw $t0,16($sp)
lw $t0,param6
sw $t0,20($sp)
syscall
nop
beq $7,$0,.LDone
nop
move $a0,$2
jal SetErrno
nop
li $2,-1
.LDone:
end;
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