source: trunk/libs/newlib/src/libgloss/spu/crti.S @ 474

Last change on this file since 474 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 2.2 KB
RevLine 
[444]1# (C) Copyright IBM Corp. 2005, 2006
2#
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are met:
7#
8#     * Redistributions of source code must retain the above copyright notice,
9# this list of conditions and the following disclaimer.
10#     * Redistributions in binary form must reproduce the above copyright
11# notice, this list of conditions and the following disclaimer in the
12# documentation and/or other materials provided with the distribution.
13#     * Neither the name of IBM nor the names of its contributors may be
14# used to endorse or promote products derived from this software without
15# specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27# POSSIBILITY OF SUCH DAMAGE.
28#
29# This file just make a stack frame for the contents of the .fini and
30# .init sections.  Users may put any desired instructions in those
31# sections.
32
33        # Note - this macro is complimented by the FUNC_END macro
34        # in crtn.S.  If you change this macro you must also change
35        # that macro match.
36.macro FUNC_START
37        # Create a stack frame with two slots: LR and BC
38        # The .init and .fini section don't change the call-preserved
39        # registes, therefore no need to save them.
40        stqd    $lr, 16($sp)
41        stqd    $sp, -32($sp)
42        ai      $sp, $sp, -32
43.endm
44               
45        .file           "crti.S"
46
47        .section        ".init"
48        .align 2
49        .global _init
50        .type   _init, @function
51_init:
52        FUNC_START
53       
54               
55        .section        ".fini"
56        .align  2
57        .global _fini
58        .type   _fini, @function
59_fini:
60        FUNC_START
61       
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