newlib/libgloss/spu/crti.S
Jeff Johnston b81d0f0ec6 2006-12-08 Sa Liu <saliu@de.ibm.com>
* spu/exit.c (libgloss_exit): Rename from this ..
        (_exit): .. to this. Overhaul.
        (exit): Remove.
        * spu/crt0.S, spu/crti.S, spu/crtn.S: New files.
        * spu/crt0.C, spu/init.c: Remove.
        * spu/configure.in (AC_INIT): Check for crt0.S, not crt0.C.
        * spu/configure: Regenerate.
        * spu/Makefile.in (crti.o, crtn.o, crt1.o, crt2.o): New targets.
        (OBJS): Remove init.o.
        (CRTOBJS): New.
        (OUTPUTS): Add $(CRTOBJS).
2006-12-08 21:50:56 +00:00

67 lines
2.4 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
# To make sure the address of _init is not zero, because
# the default linker entry point is 0.
nop
.global _init
.type _init, @function
_init:
FUNC_START
.section ".fini"
.align 2
.global _fini
.type _fini, @function
_fini:
FUNC_START