[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / m68k / mmap.S

/* Copyright (C) 1996, 1997, 1998 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 Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <sysdep.h>

	.text
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_LABEL

	/* Successful; return the syscall's value.  Copy it to %a0 because
	   mmap is declared to return a pointer.  */
	move.l %d0, %a0
	rts
PSEUDO_END (__mmap)

weak_alias (__mmap, mmap)
Commit	Line	Data
4bec4536	1	/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
ae1025be	2	This file is part of the GNU C Library.
46d7de19	3
ae1025be	4	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	5	modify it under the terms of the GNU Lesser General Public
	6	License as published by the Free Software Foundation; either
	7	version 2.1 of the License, or (at your option) any later version.
46d7de19	8
ae1025be UD	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	12	Lesser General Public License for more details.
46d7de19	13
41bdb6e2 AJ	14	You should have received a copy of the GNU Lesser General Public
	15	License along with the GNU C Library; if not, write to the Free
	16	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	17	02111-1307 USA. */
46d7de19 RM	18
	19	#include <sysdep.h>
	20
	21	.text
46d7de19 RM	22	ENTRY (__mmap)
	23
	24	move.l #SYS_ify (mmap), %d0 /* System call number in %d0. */
	25
	26	lea 4(%sp), %a0 /* Address of args is 1st arg. */
	27	move.l %a0, %d1
	28
ae1025be	29	/* Do the system call trap. */
46d7de19 RM	30	trap #0
	31
	32	/* Kludge: negative numbers are among the legal return values.
	33	If %d0 is between -4096 and 0 then there was an error. */
	34	cmp.l #-4096, %d0
4bec4536	35	jhi SYSCALL_ERROR_LABEL
46d7de19 RM	36
	37	/* Successful; return the syscall's value. Copy it to %a0 because
	38	mmap is declared to return a pointer. */
	39	move.l %d0, %a0
	40	rts
0d204b0a	41	PSEUDO_END (__mmap)
46d7de19 RM	42
46d7de19 RM	43	weak_alias (__mmap, mmap)