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| author | Roland McGrath <roland@gnu.org> | 1996-02-13 11:38:58 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1996-02-13 11:38:58 +0000 |
| commit | 46d7de1907b6d575d9f156c1f93e0e8dd6254674 (patch) | |
| tree | 32de703090640fe1e571bd28d255cf03f91a3e44 /sysdeps/unix/sysv/linux/m68k/mmap.S | |
| parent | 4eea716e2dff234d74812ccd622baeeec9518e65 (diff) | |
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Sat Feb 10 13:09:03 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* 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.
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/mmap.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/mmap.S | 44 |
1 files changed, 44 insertions, 0 deletions
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 <sysdep.h> + + .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) |