mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-22 05:09:30 +02:00
363 lines
7.4 KiB
PHP
363 lines
7.4 KiB
PHP
{
|
|
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.
|
|
|
|
Syscall implementation for Linux powerpc
|
|
|
|
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 system include !}
|
|
{$IFDEF SYS_LINUX}
|
|
{$UNDEF SYSCALL_DEBUG}
|
|
{$ENDIF SYS_LINUX}
|
|
|
|
{$IFNDEF DISABLE_SETERRNO}
|
|
{$DEFINE USE_SETERRNO}
|
|
{$ENDIF DISABLE_SETERRNO}
|
|
|
|
|
|
{ This variable is needed in syscall.inc assembler code }
|
|
var
|
|
fpc_threadvar_relocate_proc : TRelocateThreadVarHandler; public name 'FPC_THREADVAR_RELOCATE';
|
|
{$define THREADVAR_RELOCATED_ALREADY_DEFINED}
|
|
|
|
{*****************************************************************************
|
|
--- Main:The System Call Self ---
|
|
*****************************************************************************}
|
|
|
|
function FpSysCall(sysnr:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL0'];
|
|
{
|
|
This function puts the registers in place, does the call, and then
|
|
copies back the registers as they are after the SysCall.
|
|
}
|
|
var
|
|
temp, retaddress: longint;
|
|
asm
|
|
mr r0,r3
|
|
sc
|
|
bns .LDone
|
|
{$ifdef USE_SETERRNO}
|
|
mflr r5
|
|
stw r5,retaddress
|
|
bl seterrno
|
|
lwz r5,retaddress
|
|
mtlr r5
|
|
{$else}
|
|
lis r10,(fpc_threadvar_relocate_proc)@ha
|
|
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
|
|
cmpwi r10,0
|
|
bne .LThreaded
|
|
lis r4,(Errno+4)@ha
|
|
stw r3,(Errno+4)@l(r4)
|
|
b .LFailed
|
|
.LThreaded:
|
|
stw r3,temp
|
|
mflr r3
|
|
mtctr r10
|
|
lis r4,(errno)@ha
|
|
stw r3,retaddress
|
|
lwz r3,(errno)@l(r4)
|
|
bctrl
|
|
lwz r4,temp
|
|
lwz r5,retaddress
|
|
stw r4,0(r3)
|
|
mtlr r5
|
|
.LFailed:
|
|
{$endif USE_SETERRNO}
|
|
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
|
|
{$ifdef USE_SETERRNO}
|
|
mflr r5
|
|
stw r5,retaddress
|
|
bl seterrno
|
|
lwz r5,retaddress
|
|
mtlr r5
|
|
{$else}
|
|
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:
|
|
{$endif USE_SETERRNO}
|
|
li r3,-1
|
|
.LDone:
|
|
end;
|
|
|
|
|
|
function FpSysCall(sysnr,param1,param2:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL2'];
|
|
{
|
|
This function puts the registers in place, does the call, and then
|
|
copies back the registers as they are after the SysCall.
|
|
}
|
|
var
|
|
temp, retaddress: longint;
|
|
asm
|
|
mr r0,r3
|
|
mr r3,r4
|
|
mr r4,r5
|
|
sc
|
|
bns .LDone
|
|
{$ifdef USE_SETERRNO}
|
|
mflr r5
|
|
stw r5,retaddress
|
|
bl seterrno
|
|
lwz r5,retaddress
|
|
mtlr r5
|
|
{$else}
|
|
lis r10,(fpc_threadvar_relocate_proc)@ha
|
|
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
|
|
cmpwi r10,0
|
|
bne .LThreaded
|
|
lis r4,(Errno+4)@ha
|
|
stw r3,(Errno+4)@l(r4)
|
|
b .LFailed
|
|
.LThreaded:
|
|
stw r3,temp
|
|
mflr r3
|
|
mtctr r10
|
|
lis r4,(errno)@ha
|
|
stw r3,retaddress
|
|
lwz r3,(errno)@l(r4)
|
|
bctrl
|
|
lwz r4,temp
|
|
lwz r5,retaddress
|
|
stw r4,0(r3)
|
|
mtlr r5
|
|
.LFailed:
|
|
{$endif USE_SETERRNO}
|
|
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
|
|
{$ifdef USE_SETERRNO}
|
|
mflr r5
|
|
stw r5,retaddress
|
|
bl seterrno
|
|
lwz r5,retaddress
|
|
mtlr r5
|
|
{$else}
|
|
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:
|
|
{$endif USE_SETERRNO}
|
|
li r3,-1
|
|
.LDone:
|
|
end;
|
|
|
|
|
|
function FpSysCall(sysnr,param1,param2,param3,param4:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL4'];
|
|
{
|
|
This function puts the registers in place, does the call, and then
|
|
copies back the registers as they are after the SysCall.
|
|
}
|
|
var
|
|
temp, retaddress: longint;
|
|
asm
|
|
mr r0,r3
|
|
mr r3,r4
|
|
mr r4,r5
|
|
mr r5,r6
|
|
mr r6,r7
|
|
sc
|
|
bns .LDone
|
|
{$ifdef USE_SETERRNO}
|
|
mflr r5
|
|
stw r5,retaddress
|
|
bl seterrno
|
|
lwz r5,retaddress
|
|
mtlr r5
|
|
{$else}
|
|
lis r10,(fpc_threadvar_relocate_proc)@ha
|
|
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
|
|
cmpwi r10,0
|
|
bne .LThreaded
|
|
lis r4,(Errno+4)@ha
|
|
stw r3,(Errno+4)@l(r4)
|
|
b .LFailed
|
|
.LThreaded:
|
|
stw r3,temp
|
|
mflr r3
|
|
mtctr r10
|
|
lis r4,(errno)@ha
|
|
stw r3,retaddress
|
|
lwz r3,(errno)@l(r4)
|
|
bctrl
|
|
lwz r4,temp
|
|
lwz r5,retaddress
|
|
stw r4,0(r3)
|
|
mtlr r5
|
|
.LFailed:
|
|
{$endif USE_SETERRNO}
|
|
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
|
|
{$ifdef USE_SETERRNO}
|
|
mflr r5
|
|
stw r5,retaddress
|
|
bl seterrno
|
|
lwz r5,retaddress
|
|
mtlr r5
|
|
{$else}
|
|
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:
|
|
{$endif USE_SETERRNO}
|
|
li r3,-1
|
|
.LDone:
|
|
end;
|
|
|
|
|
|
function FpSysCall(sysnr,param1,param2,param3,param4,param5,param6:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL6'];
|
|
{
|
|
This function puts the registers in place, does the call, and then
|
|
copies back the registers as they are after the SysCall.
|
|
}
|
|
var
|
|
temp, retaddress: longint;
|
|
asm
|
|
mr r0,r3
|
|
mr r3,r4
|
|
mr r4,r5
|
|
mr r5,r6
|
|
mr r6,r7
|
|
mr r7,r8
|
|
mr r8,r9
|
|
sc
|
|
bns .LDone
|
|
{$ifdef USE_SETERRNO}
|
|
mflr r5
|
|
stw r5,retaddress
|
|
bl seterrno
|
|
lwz r5,retaddress
|
|
mtlr r5
|
|
{$else}
|
|
lis r10,(fpc_threadvar_relocate_proc)@ha
|
|
lwz r10,(fpc_threadvar_relocate_proc)@l(r10)
|
|
cmpwi r10,0
|
|
bne .LThreaded
|
|
lis r4,(Errno+4)@ha
|
|
stw r3,(Errno+4)@l(r4)
|
|
b .LFailed
|
|
.LThreaded:
|
|
stw r3,temp
|
|
mflr r3
|
|
mtctr r10
|
|
lis r4,(errno)@ha
|
|
stw r3,retaddress
|
|
lwz r3,(errno)@l(r4)
|
|
bctrl
|
|
lwz r4,temp
|
|
lwz r5,retaddress
|
|
stw r4,0(r3)
|
|
mtlr r5
|
|
.LFailed:
|
|
{$endif USE_SETERRNO}
|
|
li r3,-1
|
|
.LDone:
|
|
end;
|
|
|
|
|
|
|