/* Copyright (C) 1996 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. */ /* Because the Linux version is in fact m68k/ELF and the start.? file for this system (sysdeps/m68k/elf/start.S) is also used by The Hurd and therefore this files must not contain the definition of the `errno' variable (I don't know why, ask Roland), we have to define it somewhere else. ...and this place is here. */ .bss .globl errno .type errno,@object errno: .space 4 .size errno,4 .globl _errno .type _errno,@object _errno = errno /* This name is expected by hj libc.so.5 startup code. */ .text /* The following code is only used in the shared library when we compile the reentrant version. Otherwise each system call defines each own version. */ #ifndef PIC #include #define _ERRNO_H #include /* The syscall stubs jump here when they detect an error. */ .globl __syscall_error __syscall_error: neg.l %d0 move.l %d0, errno #ifdef _LIBC_REENTRANT move.l %d0, -(%sp) jbsr __errno_location move.l (%sp)+, (%a0) #endif move.l #-1, %d0 /* Copy return value to %a0 for syscalls that are declared to return a pointer. */ move.l %d0, %a0 rts .size __syscall_error, . - __syscall_error #endif /* PIC */ .globl __errno_location .type __errno_location, @function __errno_location: #ifdef PIC move.l (%pc, errno@GOTPC), %a0 #else lea errno, %a0 #endif rts .size __errno_location, . - __errno_location