9298f9e195
* 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.
45 lines
1.4 KiB
ArmAsm
45 lines
1.4 KiB
ArmAsm
/* Copyright (C) 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <sysdep.h>
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.text
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SYSCALL_ERROR_HANDLER
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ENTRY (__mmap)
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move.l #SYS_ify (mmap), %d0 /* System call number in %d0. */
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lea 4(%sp), %a0 /* Address of args is 1st arg. */
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move.l %a0, %d1
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/* Do the system call trap. */
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trap #0
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/* Kludge: negative numbers are among the legal return values.
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If %d0 is between -4096 and 0 then there was an error. */
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cmp.l #-4096, %d0
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jhi syscall_error
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/* Successful; return the syscall's value. Copy it to %a0 because
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mmap is declared to return a pointer. */
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move.l %d0, %a0
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rts
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weak_alias (__mmap, mmap)
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