diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/arm/mmap64.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/arm/mmap64.S | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/mmap64.S b/sysdeps/unix/sysv/linux/arm/mmap64.S deleted file mode 100644 index d574df0caf..0000000000 --- a/sysdeps/unix/sysv/linux/arm/mmap64.S +++ /dev/null @@ -1,72 +0,0 @@ -/* Copyright (C) 2000-2015 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> - - .syntax unified - -#define EINVAL 22 - -#ifdef __ARMEB__ -# define LOW_OFFSET 8 + 4 -/* The initial + 4 is for the stack postdecrement. */ -# define HIGH_OFFSET 4 + 8 + 0 -#else -# define LOW_OFFSET 8 + 0 -# define HIGH_OFFSET 4 + 8 + 4 -#endif - - /* The mmap2 system call takes six arguments, all in registers. */ - .text -ENTRY (__mmap64) - ldr ip, [sp, $LOW_OFFSET] - push { r5 } - cfi_adjust_cfa_offset (4) - cfi_rel_offset (r5, 0) - ldr r5, [sp, $HIGH_OFFSET] - push { r4 } - cfi_adjust_cfa_offset (4) - cfi_rel_offset (r4, 0) - cfi_remember_state - movs r4, ip, lsl $20 @ check that offset is page-aligned - mov ip, ip, lsr $12 - it eq - movseq r4, r5, lsr $12 @ check for overflow - bne .Linval - ldr r4, [sp, $8] @ load fd - orr r5, ip, r5, lsl $20 @ compose page offset - DO_CALL (mmap2, 0) - cmn r0, $4096 - pop {r4, r5} - cfi_adjust_cfa_offset (-8) - cfi_restore (r4) - cfi_restore (r5) - it cc - RETINSTR(cc, lr) - b PLTJMP(syscall_error) - - cfi_restore_state -.Linval: - mov r0, $-EINVAL - pop {r4, r5} - cfi_adjust_cfa_offset (-8) - cfi_restore (r4) - cfi_restore (r5) - b PLTJMP(syscall_error) -PSEUDO_END (__mmap64) - -weak_alias (__mmap64, mmap64) |