projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| b168057a | 1 | /* Copyright (C) 1996-2015 Free Software Foundation, Inc. |
| db31c863 | 2 | This file is part of the GNU C Library. |
| 9298f9e1 | 3 | |
| db31c863 | 4 | The GNU C Library is free software; you can redistribute it and/or |
| 3214b89b 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. | |
| 9298f9e1 | 8 | |
| db31c863 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 | |
| 3214b89b | 12 | Lesser General Public License for more details. |
| 9298f9e1 | 13 | |
| 3214b89b | 14 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff PE |
15 | License along with the GNU C Library. If not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| 9298f9e1 RM |
17 | |
| 18 | #include <sysdep.h> | |
| 19 | ||
| 20 | .text | |
| 9298f9e1 RM |
21 | ENTRY (__mmap) |
| 22 | ||
| 23 | move.l #SYS_ify (mmap), %d0 /* System call number in %d0. */ | |
| 24 | ||
| 25 | lea 4(%sp), %a0 /* Address of args is 1st arg. */ | |
| 26 | move.l %a0, %d1 | |
| 27 | ||
| db31c863 | 28 | /* Do the system call trap. */ |
| 9298f9e1 RM |
29 | trap #0 |
| 30 | ||
| 31 | /* Kludge: negative numbers are among the legal return values. | |
| 32 | If %d0 is between -4096 and 0 then there was an error. */ | |
| 33 | cmp.l #-4096, %d0 | |
| 2cd49338 | 34 | jhi SYSCALL_ERROR_LABEL |
| 9298f9e1 RM |
35 | |
| 36 | /* Successful; return the syscall's value. Copy it to %a0 because | |
| 37 | mmap is declared to return a pointer. */ | |
| 38 | move.l %d0, %a0 | |
| 39 | rts | |
| 5415516c | 40 | PSEUDO_END (__mmap) |
| 9298f9e1 RM |
41 | |
| 42 | weak_alias (__mmap, mmap) |