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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/* Copyright (C) 1997, 1998, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include <errno.h>
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/* This routine is jumped to by all the syscall handlers, to stash
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an error number into errno. */
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int
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__syscall_error (int err_no)
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{
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__set_errno (err_no);
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return -1;
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}
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/* We also have to have a 'real' definition of errno. */
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#undef errno
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int errno = 0;
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weak_alias (errno, _errno)
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/* HPPA implements syscall() in 'C'; the assembler version would
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typically be in syscall.S. */
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int
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syscall (int sysnum, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5)
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{
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long __sys_res;
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{
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register unsigned long __res asm("r28");
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LOAD_ARGS_6(arg0, arg1, arg2, arg3, arg4, arg5)
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asm volatile ("ble 0x100(%%sr2, %%r0)\n\t"
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"copy %1, %%r20"
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: "=r" (__res)
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: "r" (sysnum) ASM_ARGS_6);
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__sys_res = __res;
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}
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if ((unsigned long) __sys_res >= (unsigned long)-4095)
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{
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__set_errno(-__sys_res);
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__sys_res = -1;
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}
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return __sys_res;
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}
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