From 46d7de1907b6d575d9f156c1f93e0e8dd6254674 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Tue, 13 Feb 1996 11:38:58 +0000 Subject: Sat Feb 10 13:09:03 1996 Andreas Schwab * sysdeps/unix/sysv/linux/m68k/brk.c, sysdeps/unix/sysv/linux/m68k/mmap.S, sysdeps/unix/sysv/linux/m68k/select.S, sysdeps/unix/sysv/linux/m68k/sigcontext.h, sysdeps/unix/sysv/linux/m68k/sigreturn.S, sysdeps/unix/sysv/linux/m68k/socket.S, sysdeps/unix/sysv/linux/m68k/syscall.S, sysdeps/unix/sysv/linux/m68k/sysdep.S, sysdeps/unix/sysv/linux/m68k/sysdep.h: New files. * sysdeps/unix/sysv/linux/m68k/brk.c, sysdeps/unix/sysv/linux/m68k/mmap.S, sysdeps/unix/sysv/linux/m68k/select.S, sysdeps/unix/sysv/linux/m68k/sigcontext.h, sysdeps/unix/sysv/linux/m68k/sigreturn.S, sysdeps/unix/sysv/linux/m68k/socket.S, sysdeps/unix/sysv/linux/m68k/syscall.S, sysdeps/unix/sysv/linux/m68k/sysdep.S, sysdeps/unix/sysv/linux/m68k/sysdep.h: New files. --- sysdeps/unix/sysv/linux/m68k/mmap.S | 44 +++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/m68k/mmap.S (limited to 'sysdeps/unix/sysv/linux/m68k/mmap.S') diff --git a/sysdeps/unix/sysv/linux/m68k/mmap.S b/sysdeps/unix/sysv/linux/m68k/mmap.S new file mode 100644 index 0000000000..ed0480dfd7 --- /dev/null +++ b/sysdeps/unix/sysv/linux/m68k/mmap.S @@ -0,0 +1,44 @@ +/* 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. */ + +#include + + .text + SYSCALL_ERROR_HANDLER + +ENTRY (__mmap) + + move.l #SYS_ify (mmap), %d0 /* System call number in %d0. */ + + lea 4(%sp), %a0 /* Address of args is 1st arg. */ + move.l %a0, %d1 + + /* Do the system call trap. */ + trap #0 + + /* Kludge: negative numbers are among the legal return values. + If %d0 is between -4096 and 0 then there was an error. */ + cmp.l #-4096, %d0 + jhi syscall_error + + /* Successful; return the syscall's value. Copy it to %a0 because + mmap is declared to return a pointer. */ + move.l %d0, %a0 + rts + +weak_alias (__mmap, mmap) -- cgit 1.4.1