0d1c7d281c
* spu/crtn.S: Add dummy to ensure nothing gets linked at address 0.
* spu/crti.S: Remove nop.
65 lines
2.5 KiB
ArmAsm
65 lines
2.5 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 makes sure that the .fini and .init sections do in
|
|
# fact return. Users may put any desired instructions in those sections.
|
|
# This file is the last thing linked into any executable.
|
|
|
|
# Note - this macro is complimented by the FUNC_START macro
|
|
# in crti.S. If you change this macro you must also change
|
|
# that macro match.
|
|
#
|
|
# Note - we do not try any fancy optimisations of the return
|
|
# sequences here, it is just not worth it. Instead keep things
|
|
# simple. The link register is restored and then the correct
|
|
# function return instruction is performed.
|
|
.macro FUNC_END
|
|
ai $sp, $sp, 32
|
|
lqd $lr, 16($sp)
|
|
bi $lr
|
|
.endm
|
|
.file "crtn.S"
|
|
|
|
.section ".init"
|
|
|
|
FUNC_END
|
|
|
|
.section ".fini"
|
|
|
|
FUNC_END
|
|
|
|
# To ensure nothing is linked at address 0, provide a dummy
|
|
# .interrupt section. This is in crtn.S to make sure any
|
|
# user-provided real .interrupt section will get linked
|
|
# in front of this dummy.
|
|
.section ".interrupt","ax"
|
|
.align 2
|
|
heq $0,$0
|
|
|
|
# end of crtn.S
|