From dba942c80dc2cfa5768a856fff98e22a755fdd27 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Tue, 4 Oct 2016 06:51:35 +0200 Subject: add experimental aarch64 support Ported over from GNU C Library and runtime tested in Qemu. --- libc/sysdeps/linux/aarch64/crtn.S | 46 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 libc/sysdeps/linux/aarch64/crtn.S (limited to 'libc/sysdeps/linux/aarch64/crtn.S') diff --git a/libc/sysdeps/linux/aarch64/crtn.S b/libc/sysdeps/linux/aarch64/crtn.S new file mode 100644 index 000000000..33d5f3d82 --- /dev/null +++ b/libc/sysdeps/linux/aarch64/crtn.S @@ -0,0 +1,46 @@ +/* Special .init and .fini section support for AArch64. + Copyright (C) 1995-2016 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The GNU Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + Note that people who make modified versions of this file are not + obligated to grant this special exception for their modified + versions; it is their choice whether to do so. The GNU Lesser + General Public License gives permission to release a modified + version without this exception; this exception also makes it + possible to release a modified version which carries forward this + exception. + + 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 + . */ + +/* crtn.S puts function epilogues in the .init and .fini sections + corresponding to the prologues in crti.S. */ + + .section .init,"ax",%progbits + ldp x29, x30, [sp], 16 + RET + + .section .fini,"ax",%progbits + ldp x29, x30, [sp], 16 + RET -- cgit v1.2.3