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* Threadvar support for Errno

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* Fixed syscall error return check
  * Uncommented Syscall with 6 parameters, only 5 were really set
This commit is contained in:
peter 2002-12-18 20:41:33 +00:00
parent 4cf75a691d
commit 6154a3076e
2 changed files with 158 additions and 53 deletions
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172
rtl/linux/i386/syscall.inc
View File

@ -25,12 +25,25 @@ asm
{ load the registers... }
movl sysnr,%eax
int $0x80
test %eax,%eax
jae .LSysc
testl %eax,%eax
jns .LSyscEnd
negl %eax
mov %eax,Errno
mov $-1,%eax
.LSysc:
pushl %edx
pushl %eax
movl FPC_THREADVAR_RELOCATE,%eax
testl %eax,%eax
jne .LThread
leal Errno+4,%eax
jmp .LNoThread
.LThread:
pushl Errno
call *%eax
.LNoThread:
popl %edx
movl %edx,(%eax)
popl %edx
movl $-1,%eax
.LSyscEnd:
end;
function FpSysCall(sysnr,param1 : TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL1'];
@ -40,12 +53,25 @@ asm
movl sysnr,%eax
movl param1,%ebx
int $0x80
test %eax,%eax
jae .LSysc
testl %eax,%eax
jns .LSyscEnd
negl %eax
mov %eax,Errno
mov $-1,%eax
.LSysc:
pushl %edx
pushl %eax
movl FPC_THREADVAR_RELOCATE,%eax
testl %eax,%eax
jne .LThread
leal ErrNo+4,%eax
jmp .LNoThread
.LThread:
pushl Errno
call *%eax
.LNoThread:
popl %edx
movl %edx,(%eax)
popl %edx
movl $-1,%eax
.LSyscEnd:
end;
function FpSysCall(sysnr,param1,param2 : TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL2'];
@ -56,13 +82,25 @@ asm
movl param1,%ebx
movl param2,%ecx
int $0x80
test %eax,%eax
jae .LSysc
testl %eax,%eax
jns .LSyscEnd
negl %eax
mov %eax,Errno
mov $-1,%eax
.LSysc:
pushl %edx
pushl %eax
movl FPC_THREADVAR_RELOCATE,%eax
testl %eax,%eax
jne .LThread
leal ErrNo+4,%eax
jmp .LNoThread
.LThread:
pushl Errno
call *%eax
.LNoThread:
popl %edx
movl %edx,(%eax)
popl %edx
movl $-1,%eax
.LSyscEnd:
end;
function FpSysCall(sysnr,param1,param2,param3:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL3'];
@ -74,12 +112,25 @@ asm
movl param2,%ecx
movl param3,%edx
int $0x80
test %eax,%eax
jae .LSysc
testl %eax,%eax
jns .LSyscEnd
negl %eax
mov %eax,Errno
mov $-1,%eax
.LSysc:
pushl %edx
pushl %eax
movl FPC_THREADVAR_RELOCATE,%eax
testl %eax,%eax
jne .LThread
leal ErrNo+4,%eax
jmp .LNoThread
.LThread:
pushl Errno
call *%eax
.LNoThread:
popl %edx
movl %edx,(%eax)
popl %edx
movl $-1,%eax
.LSyscEnd:
end;
function FpSysCall(sysnr,param1,param2,param3,param4:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL4'];
@ -92,12 +143,25 @@ asm
movl param3,%edx
movl param4,%esi
int $0x80
test %eax,%eax
jae .LSysc
testl %eax,%eax
jns .LSyscEnd
negl %eax
mov %eax,Errno
mov $-1,%eax
.LSysc:
pushl %edx
pushl %eax
movl FPC_THREADVAR_RELOCATE,%eax
testl %eax,%eax
jne .LThread
leal ErrNo+4,%eax
jmp .LNoThread
.LThread:
pushl Errno
call *%eax
.LNoThread:
popl %edx
movl %edx,(%eax)
popl %edx
movl $-1,%eax
.LSyscEnd:
end;
function FpSysCall(sysnr,param1,param2,param3,param4,param5 : TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL5'];
@ -111,14 +175,29 @@ asm
movl param4,%esi
movl param5,%edi
int $0x80
test %eax,%eax
jae .LSysc
testl %eax,%eax
jns .LSyscEnd
negl %eax
mov %eax,Errno
mov $-1,%eax
.LSysc:
pushl %edx
pushl %eax
movl FPC_THREADVAR_RELOCATE,%eax
testl %eax,%eax
jne .LThread
leal ErrNo+4,%eax
jmp .LNoThread
.LThread:
pushl Errno
call *%eax
.LNoThread:
popl %edx
movl %edx,(%eax)
popl %edx
movl $-1,%eax
.LSyscEnd:
end;
{$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;[public,alias:'FPC_SYSCALL6'];
asm
@ -130,13 +209,27 @@ asm
movl param4,%esi
movl param5,%edi
int $0x80
test %eax,%eax
jae .LSysc
testl %eax,%eax
jns .LSyscEnd
negl %eax
mov %eax,Errno
mov $-1,%eax
.LSysc:
pushl %edx
pushl %eax
movl FPC_THREADVAR_RELOCATE,%eax
testl %eax,%eax
jne .LThread
leal ErrNo+4,%eax
jmp .LNoThread
.LThread:
pushl Errno
call *%eax
.LNoThread:
popl %edx
movl %edx,(%eax)
popl %edx
movl $-1,%eax
.LSyscEnd:
end;
{$endif notsupported}
{No debugging for syslinux include !}
{$IFDEF SYS_LINUX}
@ -227,7 +320,12 @@ end;
{
$Log$
Revision 1.3 2002-12-18 16:46:37 marco
Revision 1.4 2002-12-18 20:41:33 peter
* Threadvar support for Errno
* Fixed syscall error return check
* Uncommented Syscall with 6 parameters, only 5 were really set
Revision 1.3 2002/12/18 16:46:37 marco
* Some mods.
Revision 1.2 2002/11/16 15:37:47 marco

9
rtl/linux/i386/syscallh.inc
View File

@ -40,11 +40,18 @@ function Do_SysCall(sysnr,param1,param2:TSysParam):TSysResult; external name 'F
function Do_SysCall(sysnr,param1,param2,param3:TSysParam):TSysResult; external name 'FPC_SYSCALL3';
function Do_SysCall(sysnr,param1,param2,param3,param4:TSysParam):TSysResult; external name 'FPC_SYSCALL4';
function Do_SysCall(sysnr,param1,param2,param3,param4,param5:TSysParam):TSysResult; external name 'FPC_SYSCALL5';
{$ifdef notsupported}
function Do_SysCall(sysnr,param1,param2,param3,param4,param5,param6:TSysParam):TSysResult; external name 'FPC_SYSCALL5';
{$endif notsupported}
{
$Log$
Revision 1.2 2002-12-18 16:46:37 marco
Revision 1.3 2002-12-18 20:41:33 peter
* Threadvar support for Errno
* Fixed syscall error return check
* Uncommented Syscall with 6 parameters, only 5 were really set
Revision 1.2 2002/12/18 16:46:37 marco
* Some mods.
Revision 1.1 2002/11/16 15:37:47 marco