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# Copyright (C) 2001-2017 Free Software Foundation, Inc.
# Written By Nick Clifton
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3, or (at your option) any
# later version.
#
# This file 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
# General Public License for more details.
#
# Under Section 7 of GPL version 3, you are granted additional
# permissions described in the GCC Runtime Library Exception, version
# 3.1, as published by the Free Software Foundation.
#
# You should have received a copy of the GNU General Public License and
# a copy of the GCC Runtime Library Exception along with this program;
# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
# <http://www.gnu.org/licenses/>.
/* An executable stack is *not* required for these functions. */
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",%progbits
.previous
#endif
# This file just make a stack frame for the contents of the .fini and
# .init sections. Users may put any desired instructions in those
# sections.
#ifdef __ELF__
#define TYPE(x) .type x,function
#else
#define TYPE(x)
#endif
#ifdef __ARM_EABI__
/* Some attributes that are common to all routines in this file. */
/* Tag_ABI_align_needed: This code does not require 8-byte
alignment from the caller. */
/* .eabi_attribute 24, 0 -- default setting. */
/* Tag_ABI_align_preserved: This code preserves 8-byte
alignment in any callee. */
.eabi_attribute 25, 1
#endif /* __ARM_EABI__ */
# Note - this macro is complemented by the FUNC_END macro
# in crtn.S. If you change this macro you must also change
# that macro match.
.macro FUNC_START
#ifdef __thumb__
.thumb
push {r3, r4, r5, r6, r7, lr}
#else
.arm
# Create a stack frame and save any call-preserved registers
mov ip, sp
stmdb sp!, {r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc}
sub fp, ip, #4
#endif
.endm
.section ".init"
.align 2
.global _init
#ifdef __thumb__
.thumb_func
#endif
TYPE(_init)
_init:
FUNC_START
.section ".fini"
.align 2
.global _fini
#ifdef __thumb__
.thumb_func
#endif
TYPE(_fini)
_fini:
FUNC_START
# end of crti.S
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