From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- sysdeps/unix/sparc/sysdep.S | 47 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 sysdeps/unix/sparc/sysdep.S (limited to 'sysdeps/unix/sparc/sysdep.S') diff --git a/sysdeps/unix/sparc/sysdep.S b/sysdeps/unix/sparc/sysdep.S new file mode 100644 index 0000000000..d04a778794 --- /dev/null +++ b/sysdeps/unix/sparc/sysdep.S @@ -0,0 +1,47 @@ +/* Copyright (C) 1994 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#define _ERRNO_H +#include + +.global C_SYMBOL_NAME(errno) +.global syscall_error + +.text +.align 2 +#undef syscall_error +#ifdef NO_UNDERSCORES +__syscall_error: +#else +syscall_error: +#endif +#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN + /* We translate the system's EWOULDBLOCK error into EAGAIN. + The GNU C library always defines EWOULDBLOCK==EAGAIN. + EWOULDBLOCK_sys is the original number. */ + cmp %o0, EWOULDBLOCK_sys + be,a notblock + mov EAGAIN, %o0 +#endif +notblock: /* Store the error code in `errno'. */ + sethi %hi(C_SYMBOL_NAME(errno)), %g1 + st %o0, [%g1 + %lo(C_SYMBOL_NAME(errno))] + /* And return -1. */ + retl + mov -1, %o0 -- cgit v1.2.3