| /* Copyright (C) 1998-2014 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sysdep.h> |
| |
| #define EINVAL 22 |
| |
| .text |
| |
| ENTRY (__mmap) |
| /* shuffle args */ |
| push { r5 } |
| cfi_adjust_cfa_offset (4) |
| cfi_rel_offset (r5, 0) |
| ldr r5, [sp, #8] |
| push { r4 } |
| cfi_adjust_cfa_offset (4) |
| cfi_rel_offset (r4, 0) |
| cfi_remember_state |
| ldr r4, [sp, #8] |
| |
| /* convert offset to pages */ |
| movs ip, r5, lsl #20 |
| bne .Linval |
| mov r5, r5, lsr #12 |
| |
| /* do the syscall */ |
| DO_CALL (mmap2, 0) |
| |
| /* restore registers */ |
| 2: |
| pop { r4 } |
| cfi_adjust_cfa_offset (-4) |
| cfi_restore (r4) |
| pop { r5 } |
| cfi_adjust_cfa_offset (-4) |
| cfi_restore (r5) |
| |
| cmn r0, $4096 |
| it cc |
| RETINSTR(cc, lr) |
| b PLTJMP(syscall_error) |
| |
| cfi_restore_state |
| .Linval: |
| mov r0, #-EINVAL |
| b 2b |
| PSEUDO_END (__mmap) |
| |
| weak_alias (__mmap, mmap) |
