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/* Copyright (C) 1997, 1998, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
#include <errno.h>
/* This routine is jumped to by all the syscall handlers, to stash
an error number into errno. */
int
__syscall_error (int err_no)
{
__set_errno (err_no);
return -1;
}
/* We also have to have a 'real' definition of errno. */
#undef errno
int errno = 0;
weak_alias (errno, _errno)
/* HPPA implements syscall() in 'C'; the assembler version would
typically be in syscall.S. */
int
syscall (int sysnum, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5)
{
long __sys_res;
{
register unsigned long __res asm("r28");
LOAD_ARGS_6(arg0, arg1, arg2, arg3, arg4, arg5)
asm volatile ("ble 0x100(%%sr2, %%r0)\n\t"
"copy %1, %%r20"
: "=r" (__res)
: "r" (sysnum) ASM_ARGS_6);
__sys_res = __res;
}
if ((unsigned long) __sys_res >= (unsigned long)-4095)
{
__set_errno(-__sys_res);
__sys_res = -1;
}
return __sys_res;
}
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