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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.
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.
**********************************************************************}
{$ASMMODE GAS}
{$ifdef FPC_PROFILE}
procedure mcount; external name 'mcount';
{$endif FPC_PROFILE}
function FpSysCall(sysnr:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL0'];
asm
{$ifdef FPC_PROFILE}
pushq sysnr
call mcount
popq sysnr
{$endif FPC_PROFILE}
movq sysnr, %rax { Syscall number -> rax. }
syscall { Do the system call. }
cmpq $-4095, %rax { Check %rax for error. }
jnae .LSyscOK { Jump to error handler if error. }
negq %rax
movq %rax,%rdx
{$ifdef FPC_PIC}
movq fpc_threadvar_relocate_proc@GOTPCREL(%rip),%rax
movq (%rax),%rax
{$ifndef FPC_STATICRIPFIXED}
movq Errno@GOTPCREL(%rip),%r11
{$else}
leaq Errno(%rip),%r11
{$endif}
{$else FPC_PIC}
movq fpc_threadvar_relocate_proc,%rax
leaq Errno,%r11
{$endif FPC_PIC}
testq %rax,%rax
jne .LThread
movl %edx,8(%r11)
jmp .LNoThread
.LThread:
pushq %rdx
movq (%r11),%rdi
call *%rax
popq %rdx
movl %edx,(%rax)
.LNoThread:
movq $-1,%rax
.LSyscOK:
end;
function FpSysCall(sysnr,param1 : TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL1'];
asm
{$ifdef FPC_PROFILE}
pushq sysnr
pushq param1
call mcount
popq param1
popq sysnr
{$endif FPC_PROFILE}
movq sysnr, %rax { Syscall number -> rax. }
movq param1, %rdi { shift arg1 - arg5. }
syscall { Do the system call. }
cmpq $-4095, %rax { Check %rax for error. }
jnae .LSyscOK { Jump to error handler if error. }
negq %rax
movq %rax,%rdx
{$ifdef FPC_PIC}
movq fpc_threadvar_relocate_proc@GOTPCREL(%rip),%rax
movq (%rax),%rax
{$ifndef FPC_STATICRIPFIXED}
movq Errno@GOTPCREL(%rip),%r11
{$else}
leaq Errno(%rip),%r11
{$endif}
{$else FPC_PIC}
movq fpc_threadvar_relocate_proc,%rax
leaq Errno,%r11
{$endif FPC_PIC}
testq %rax,%rax
jne .LThread
movl %edx,8(%r11)
jmp .LNoThread
.LThread:
pushq %rdx
movq (%r11),%rdi
call *%rax
popq %rdx
movl %edx,(%rax)
.LNoThread:
movq $-1,%rax
.LSyscOK:
end;
function FpSysCall(sysnr,param1,param2 : TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL2'];
asm
{$ifdef FPC_PROFILE}
pushq sysnr
pushq param1
pushq param2
call mcount
popq param2
popq param1
popq sysnr
{$endif FPC_PROFILE}
movq sysnr, %rax { Syscall number -> rax. }
movq param1, %rdi { shift arg1 - arg5. }
movq param2, %rsi
syscall { Do the system call. }
cmpq $-4095, %rax { Check %rax for error. }
jnae .LSyscOK { Jump to error handler if error. }
negq %rax
movq %rax,%rdx
{$ifdef FPC_PIC}
movq fpc_threadvar_relocate_proc@GOTPCREL(%rip),%rax
movq (%rax),%rax
{$ifndef FPC_STATICRIPFIXED}
movq Errno@GOTPCREL(%rip),%r11
{$else}
leaq Errno(%rip),%r11
{$endif}
{$else FPC_PIC}
movq fpc_threadvar_relocate_proc,%rax
leaq Errno,%r11
{$endif FPC_PIC}
testq %rax,%rax
jne .LThread
movl %edx,8(%r11)
jmp .LNoThread
.LThread:
pushq %rdx
movq (%r11),%rdi
call *%rax
popq %rdx
movl %edx,(%rax)
.LNoThread:
movq $-1,%rax
.LSyscOK:
end;
function FpSysCall(sysnr,param1,param2,param3:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL3'];
asm
{$ifdef FPC_PROFILE}
pushq sysnr
pushq param1
pushq param2
pushq param3
call mcount
popq param3
popq param2
popq param1
popq sysnr
{$endif FPC_PROFILE}
movq sysnr, %rax { Syscall number -> rax. }
movq param1, %rdi { shift arg1 - arg5. }
movq param2, %rsi
movq param3, %rdx
syscall { Do the system call. }
cmpq $-4095, %rax { Check %rax for error. }
jnae .LSyscOK { Jump to error handler if error. }
negq %rax
movq %rax,%rdx
{$ifdef FPC_PIC}
movq fpc_threadvar_relocate_proc@GOTPCREL(%rip),%rax
movq (%rax),%rax
{$ifndef FPC_STATICRIPFIXED}
movq Errno@GOTPCREL(%rip),%r11
{$else}
leaq Errno(%rip),%r11
{$endif}
{$else FPC_PIC}
movq fpc_threadvar_relocate_proc,%rax
leaq Errno,%r11
{$endif FPC_PIC}
testq %rax,%rax
jne .LThread
movl %edx,8(%r11)
jmp .LNoThread
.LThread:
pushq %rdx
movq (%r11),%rdi
call *%rax
popq %rdx
movl %edx,(%rax)
.LNoThread:
movq $-1,%rax
.LSyscOK:
end;
function FpSysCall(sysnr,param1,param2,param3,param4:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL4'];
asm
{$ifdef FPC_PROFILE}
pushq sysnr
pushq param1
pushq param2
pushq param3
pushq param4
call mcount
popq param4
popq param3
popq param2
popq param1
popq sysnr
{$endif FPC_PROFILE}
movq sysnr, %rax { Syscall number -> rax. }
movq param1, %rdi { shift arg1 - arg5. }
movq param2, %rsi
movq param3, %rdx
movq param4, %r10
syscall { Do the system call. }
cmpq $-4095, %rax { Check %rax for error. }
jnae .LSyscOK { Jump to error handler if error. }
negq %rax
movq %rax,%rdx
{$ifdef FPC_PIC}
movq fpc_threadvar_relocate_proc@GOTPCREL(%rip),%rax
movq (%rax),%rax
{$ifndef FPC_STATICRIPFIXED}
movq Errno@GOTPCREL(%rip),%r11
{$else}
leaq Errno(%rip),%r11
{$endif}
{$else FPC_PIC}
movq fpc_threadvar_relocate_proc,%rax
leaq Errno,%r11
{$endif FPC_PIC}
testq %rax,%rax
jne .LThread
movl %edx,8(%r11)
jmp .LNoThread
.LThread:
pushq %rdx
movq (%r11),%rdi
call *%rax
popq %rdx
movl %edx,(%rax)
.LNoThread:
movq $-1,%rax
.LSyscOK:
end;
function FpSysCall(sysnr,param1,param2,param3,param4,param5 : TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL5'];
asm
{$ifdef FPC_PROFILE}
pushq sysnr
pushq param1
pushq param2
pushq param3
pushq param4
pushq param5
call mcount
popq param5
popq param4
popq param3
popq param2
popq param1
popq sysnr
{$endif FPC_PROFILE}
movq sysnr, %rax { Syscall number -> rax. }
movq param1, %rdi { shift arg1 - arg5. }
movq param2, %rsi
movq param3, %rdx
movq param4, %r10
movq param5, %r8
syscall { Do the system call. }
cmpq $-4095, %rax { Check %rax for error. }
jnae .LSyscOK { Jump to error handler if error. }
negq %rax
movq %rax,%rdx
{$ifdef FPC_PIC}
movq fpc_threadvar_relocate_proc@GOTPCREL(%rip),%rax
movq (%rax),%rax
{$ifndef FPC_STATICRIPFIXED}
movq Errno@GOTPCREL(%rip),%r11
{$else}
leaq Errno(%rip),%r11
{$endif}
{$else FPC_PIC}
movq fpc_threadvar_relocate_proc,%rax
leaq Errno,%r11
{$endif FPC_PIC}
testq %rax,%rax
jne .LThread
movl %edx,8(%r11)
jmp .LNoThread
.LThread:
pushq %rdx
movq (%r11),%rdi
call *%rax
popq %rdx
movl %edx,(%rax)
.LNoThread:
movq $-1,%rax
.LSyscOK:
end;
function FpSysCall(sysnr,param1,param2,param3,param4,param5,param6 : TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL6'];
asm
{$ifdef FPC_PROFILE}
pushq sysnr
pushq param1
pushq param2
pushq param3
pushq param4
pushq param5
pushq param6
call mcount
popq param6
popq param5
popq param4
popq param3
popq param2
popq param1
popq sysnr
{$endif FPC_PROFILE}
movq sysnr, %rax { Syscall number -> rax. }
movq param1, %rdi { shift arg1 - arg5. }
movq param2, %rsi
movq param3, %rdx
movq param4, %r10
movq param5, %r8
movq param6, %r9
syscall { Do the system call. }
cmpq $-4095, %rax { Check %rax for error. }
jnae .LSyscOK { Jump to error handler if error. }
negq %rax
movq %rax,%rdx
{$ifdef FPC_PIC}
movq fpc_threadvar_relocate_proc@GOTPCREL(%rip),%rax
movq (%rax),%rax
{$ifndef FPC_STATICRIPFIXED}
movq Errno@GOTPCREL(%rip),%r11
{$else}
leaq Errno(%rip),%r11
{$endif}
{$else FPC_PIC}
movq fpc_threadvar_relocate_proc,%rax
leaq Errno,%r11
{$endif FPC_PIC}
testq %rax,%rax
jne .LThread
movl %edx,8(%r11)
jmp .LNoThread
.LThread:
pushq %rdx
movq (%r11),%rdi
call *%rax
popq %rdx
movl %edx,(%rax)
.LNoThread:
movq $-1,%rax
.LSyscOK:
end;
{No debugging for syslinux include !}
{$IFDEF SYS_LINUX}
{$UNDEF SYSCALL_DEBUG}
{$ENDIF SYS_LINUX}
|
