diff options
Diffstat (limited to 'libc/sysdeps/linux/nds32/mmap.S')
-rw-r--r-- | libc/sysdeps/linux/nds32/mmap.S | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/libc/sysdeps/linux/nds32/mmap.S b/libc/sysdeps/linux/nds32/mmap.S deleted file mode 100644 index 351d1c502..000000000 --- a/libc/sysdeps/linux/nds32/mmap.S +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (C) 2016 Andes Technology, Inc. - * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. - */ - -/* Copyright (C) 1998, 2000, 2003 Free Software Foundation, Inc. - - 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 <sys/syscall.h> -#include <sysdep.h> - .text - -.globl __mmap -ENTRY (__mmap) - -#ifdef PIC -.pic -#endif - - // reserve space for r0, r1 -#if defined(NDS32_ABI_2) || defined(NDS32_ABI_2FP) -#else - addi $sp, $sp, -8 -#endif - // change to units of the system page size - srli $r5, $r5, 0xc - - syscall SYS_ify(mmap2) -#if defined(NDS32_ABI_2) || defined(NDS32_ABI_2FP) -#else - addi $sp, $sp, 8 -#endif - - /* r0 is < -4096 if there was an error. */ - bgez $r0, 1f - sltsi $r1,$r0,-4096 - beqz $r1,2f - -1: - ret -2: -#ifdef PIC -#ifdef __NDS32_N1213_43U1H__ - ! save lp - addi $r2, $lp, 0 - - ! set r1 as gp - jal 1b - sethi $r1, hi20(_GLOBAL_OFFSET_TABLE_) - ori $r1, $r1, lo12(_GLOBAL_OFFSET_TABLE_+4) - add $r1, $lp, $r1 - - ! restore lp - addi $lp, $r2, 0 - - ! r15=SYSCALL_ERROR@PLT - sethi $r15, hi20(SYSCALL_ERROR@PLT) - ori $r15, $r15, lo12(SYSCALL_ERROR@PLT) - add $r15, $r15, $r1 - - ! jump to SYSCALL_ERROR - jr $r15 -#else - ! set r1 as gp - mfusr $r15, $PC - sethi $r1, hi20(_GLOBAL_OFFSET_TABLE_+4) - ori $r1, $r1, lo12(_GLOBAL_OFFSET_TABLE_+8) - add $r1, $r1, $r15 - - ! r15=SYSCALL_ERROR@PLT - sethi $r15, hi20(SYSCALL_ERROR@PLT) - ori $r15, $r15, lo12(SYSCALL_ERROR@PLT) - add $r15, $r15, $r1 - - ! jump to SYSCALL_ERROR - jr $r15 -#endif -#else - j SYSCALL_ERROR -#endif - -ret - -PSEUDO_END (__mmap) - -weak_alias (__mmap, mmap) -libc_hidden_def(mmap) |