Projet_SETI_RISC-V/riscv-gnu-toolchain/newlib/libgloss/spu/crti.S
2023-03-06 14:48:14 +01:00

61 lines
2.2 KiB
ArmAsm

# (C) Copyright IBM Corp. 2005, 2006
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of IBM nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# 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.
# Note - this macro is complimented by the FUNC_END macro
# in crtn.S. If you change this macro you must also change
# that macro match.
.macro FUNC_START
# Create a stack frame with two slots: LR and BC
# The .init and .fini section don't change the call-preserved
# registes, therefore no need to save them.
stqd $lr, 16($sp)
stqd $sp, -32($sp)
ai $sp, $sp, -32
.endm
.file "crti.S"
.section ".init"
.align 2
.global _init
.type _init, @function
_init:
FUNC_START
.section ".fini"
.align 2
.global _fini
.type _fini, @function
_fini:
FUNC_START