fpc/rtl/linux/i386/syscall.inc
florian ce73006fc3 * picfied code
git-svn-id: trunk@2127 -
2006-01-02 18:35:17 +00:00

280 lines
6.1 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.
The syscalls for the new RTL, moved to platform dependant dir.
Old linux calling convention is stil kept.
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.
**********************************************************************}
{$ASMMODE ATT}
Procedure fpc_geteipasebx;[external name 'fpc_geteipasebx'];
function FpSysCall(sysnr:TSysParam):TSysResult; assembler; oldfpccall;[public,alias:'FPC_SYSCALL0'];
asm
{ load the registers... }
movl sysnr,%eax
int $0x80
cmpl $-4095,%eax
jb .LSyscOK
negl %eax
{$ifdef FPC_PIC}
call fpc_geteipasebx
addl $_GLOBAL_OFFSET_TABLE_,%ebx
movl fpc_threadvar_relocate_proc@GOT(%ebx),%ecx
movl (%ecx),%ecx
movl Errno@GOT(%ebx),%edi
{$else FPC_PIC}
leal Errno,%edi
movl fpc_threadvar_relocate_proc,%ecx
{$endif FPC_PIC}
testl %ecx,%ecx
jne .LThread
movl %eax,4(%edi)
jmp .LNoThread
.LThread:
movl %eax,%ebx
movl (%edi),%eax
call *%ecx
movl %ebx,(%eax)
.LNoThread:
movl $-1,%eax
.LSyscOK:
end;
function FpSysCall(sysnr,param1 : TSysParam):TSysResult; assembler; oldfpccall;[public,alias:'FPC_SYSCALL1'];
asm
{ load the registers... }
movl sysnr,%eax
movl param1,%ebx
int $0x80
cmpl $-4095,%eax
jb .LSyscOK
negl %eax
{$ifdef FPC_PIC}
call fpc_geteipasebx
addl $_GLOBAL_OFFSET_TABLE_,%ebx
movl fpc_threadvar_relocate_proc@GOT(%ebx),%ecx
movl (%ecx),%ecx
movl Errno@GOT(%ebx),%edi
{$else FPC_PIC}
leal Errno,%edi
movl fpc_threadvar_relocate_proc,%ecx
{$endif FPC_PIC}
testl %ecx,%ecx
jne .LThread
movl %eax,4(%edi)
jmp .LNoThread
.LThread:
movl %eax,%ebx
movl (%edi),%eax
call *%ecx
movl %ebx,(%eax)
.LNoThread:
movl $-1,%eax
.LSyscOK:
end;
function FpSysCall(sysnr,param1,param2 : TSysParam):TSysResult; assembler; oldfpccall; [public,alias:'FPC_SYSCALL2'];
asm
{ load the registers... }
movl sysnr,%eax
movl param1,%ebx
movl param2,%ecx
int $0x80
cmpl $-4095,%eax
jb .LSyscOK
negl %eax
{$ifdef FPC_PIC}
call fpc_geteipasebx
addl $_GLOBAL_OFFSET_TABLE_,%ebx
movl fpc_threadvar_relocate_proc@GOT(%ebx),%ecx
movl (%ecx),%ecx
movl Errno@GOT(%ebx),%edi
{$else FPC_PIC}
leal Errno,%edi
movl fpc_threadvar_relocate_proc,%ecx
{$endif FPC_PIC}
testl %ecx,%ecx
jne .LThread
movl %eax,4(%edi)
jmp .LNoThread
.LThread:
movl %eax,%ebx
movl (%edi),%eax
call *%ecx
movl %ebx,(%eax)
.LNoThread:
movl $-1,%eax
.LSyscOK:
end;
function FpSysCall(sysnr,param1,param2,param3:TSysParam):TSysResult; assembler; oldfpccall; [public,alias:'FPC_SYSCALL3'];
asm
{ load the registers... }
movl sysnr,%eax
movl param1,%ebx
movl param2,%ecx
movl param3,%edx
int $0x80
cmpl $-4095,%eax
jb .LSyscOK
negl %eax
{$ifdef FPC_PIC}
call fpc_geteipasebx
addl $_GLOBAL_OFFSET_TABLE_,%ebx
movl fpc_threadvar_relocate_proc@GOT(%ebx),%ecx
movl (%ecx),%ecx
movl Errno@GOT(%ebx),%edi
{$else FPC_PIC}
leal Errno,%edi
movl fpc_threadvar_relocate_proc,%ecx
{$endif FPC_PIC}
testl %ecx,%ecx
jne .LThread
movl %eax,4(%edi)
jmp .LNoThread
.LThread:
movl %eax,%ebx
movl (%edi),%eax
call *%ecx
movl %ebx,(%eax)
.LNoThread:
movl $-1,%eax
.LSyscOK:
end;
function FpSysCall(sysnr,param1,param2,param3,param4:TSysParam):TSysResult; assembler; oldfpccall; [public,alias:'FPC_SYSCALL4'];
asm
{ load the registers... }
movl sysnr,%eax
movl param1,%ebx
movl param2,%ecx
movl param3,%edx
movl param4,%esi
int $0x80
cmpl $-4095,%eax
jb .LSyscOK
negl %eax
{$ifdef FPC_PIC}
call fpc_geteipasebx
addl $_GLOBAL_OFFSET_TABLE_,%ebx
movl fpc_threadvar_relocate_proc@GOT(%ebx),%ecx
movl (%ecx),%ecx
movl Errno@GOT(%ebx),%edi
{$else FPC_PIC}
leal Errno,%edi
movl fpc_threadvar_relocate_proc,%ecx
{$endif FPC_PIC}
testl %ecx,%ecx
jne .LThread
movl %eax,4(%edi)
jmp .LNoThread
.LThread:
movl %eax,%ebx
movl (%edi),%eax
call *%ecx
movl %ebx,(%eax)
.LNoThread:
movl $-1,%eax
.LSyscOK:
end;
function FpSysCall(sysnr,param1,param2,param3,param4,param5 : TSysParam):TSysResult; assembler; oldfpccall;[public,alias:'FPC_SYSCALL5'];
asm
{ load the registers... }
movl sysnr,%eax
movl param1,%ebx
movl param2,%ecx
movl param3,%edx
movl param4,%esi
movl param5,%edi
int $0x80
cmpl $-4095,%eax
jb .LSyscOK
negl %eax
{$ifdef FPC_PIC}
call fpc_geteipasebx
addl $_GLOBAL_OFFSET_TABLE_,%ebx
movl fpc_threadvar_relocate_proc@GOT(%ebx),%ecx
movl (%ecx),%ecx
movl Errno@GOT(%ebx),%edi
{$else FPC_PIC}
leal Errno,%edi
movl fpc_threadvar_relocate_proc,%ecx
{$endif FPC_PIC}
testl %ecx,%ecx
jne .LThread
movl %eax,4(%edi)
jmp .LNoThread
.LThread:
movl %eax,%ebx
movl (%edi),%eax
call *%ecx
movl %ebx,(%eax)
.LNoThread:
movl $-1,%eax
.LSyscOK:
end;
{$ifdef notsupported}
{ Only 5 params are pushed, so it'll not work as expected (PFV) }
function FpSysCall(sysnr,param1,param2,param3,param4,param5,param6 : TSysParam):TSysResult; assembler; oldfpccall;[public,alias:'FPC_SYSCALL6'];
asm
{ load the registers... }
movl sysnr,%eax
movl param1,%ebx
movl param2,%ecx
movl param3,%edx
movl param4,%esi
movl param5,%edi
int $0x80
cmpl $-4095,%eax
jb .LSyscOK
negl %eax
{$ifdef FPC_PIC}
call fpc_geteipasebx
addl $_GLOBAL_OFFSET_TABLE_,%ebx
movl fpc_threadvar_relocate_proc@GOT(%ebx),%ecx
movl (%ecx),%ecx
movl Errno@GOT(%ebx),%edi
{$else FPC_PIC}
leal Errno,%edi
movl fpc_threadvar_relocate_proc,%ecx
{$endif FPC_PIC}
testl %ecx,%ecx
jne .LThread
movl %eax,4(%edi)
jmp .LNoThread
.LThread:
movl %eax,%ebx
movl (%edi),%eax
call *%ecx
movl %ebx,(%eax)
.LNoThread:
movl $-1,%eax
.LSyscOK:
end;
{$endif notsupported}
{No debugging for syslinux include !}
{$IFDEF SYS_LINUX}
{$UNDEF SYSCALL_DEBUG}
{$ENDIF SYS_LINUX}