diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/xstat.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/xstat.S | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/xstat.S b/sysdeps/unix/sysv/linux/i386/xstat.S new file mode 100644 index 0000000000..34822beda6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/i386/xstat.S @@ -0,0 +1,51 @@ +/* Copyright (C) 1995 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 <sysdep.h> +#include <errnos.h> + +#define SYS_expand(name) SYS_ify(name) + +.globl syscall_error +ENTRY (__xstat) + popl %ecx /* Pop return address into %eax. */ + popl %edx /* Pop version number into %edx. */ + pushl %ecx /* Push back the return address. */ + + movl $SYS_expand(stat), %eax + /* Load syscall number for prev_stat in %eax. */ + cmpl $1, %edx /* Version 1 xstat call? */ + je .L1 /* Yes, do syscall. */ + + movl $-EINVAL, %eax /* Load error code into %eax. */ + jmp .L2 + +.L1: DO_CALL (2) /* Do the syscall. */ + + movl (%esp), %ecx + testl %eax, %eax /* Check for error. */ + jl .L2 + + jmp *%ecx /* Return success. */ + +.L2: pushl %ecx + jmp JUMPTARGET(syscall_error) + /* Yes, then branch to error handling. */ + +/* For compatibility with Linux libc. */ +weak_alias (__xstat, _xstat) |