newlib-cygwin/newlib/libc/sys/go32/gerrno.s

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2000-02-18 03:39:52 +08:00
# /* This is file GERRNO.S */
# /*
# ** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
# **
# ** This file is distributed under the terms listed in the document
# ** "copying.dj", available from DJ Delorie at the address above.
# ** A copy of "copying.dj" should accompany this file; if not, a copy
# ** should be available from where this file was obtained. This file
# ** may not be distributed without a verbatim copy of "copying.dj".
# **
# ** This file is distributed WITHOUT ANY WARRANTY; without even the implied
# ** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# */
# Modified to use newlib's reent mechanism, 960414, dje.
# Reentrancy isn't really supported of course, the purpose is to
# record `errno' in the normal place.
.text
.globl syscall_error
syscall_error:
pushl %eax
call ___errno
popl %edx
mov %edx,(%eax)
mov $-1,%eax
ret
.globl syscall_check
syscall_check:
jb syscall_error
mov $0,%eax
ret