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comparison gcc/config/rs6000/sol-ci.asm @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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1 # crti.s for sysv4
2
3 # Copyright (C) 1996, 2008, 2009 Free Software Foundation, Inc.
4 # Written By Michael Meissner
5 #
6 # This file is free software; you can redistribute it and/or modify it
7 # under the terms of the GNU General Public License as published by the
8 # Free Software Foundation; either version 3, or (at your option) any
9 # later version.
10 #
11 # This file is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
15 #
16 # Under Section 7 of GPL version 3, you are granted additional
17 # permissions described in the GCC Runtime Library Exception, version
18 # 3.1, as published by the Free Software Foundation.
19 #
20 # You should have received a copy of the GNU General Public License and
21 # a copy of the GCC Runtime Library Exception along with this program;
22 # see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 # <http://www.gnu.org/licenses/>.
24
25 # This file just supplies labeled starting points for the .got* and other
26 # special sections. It is linked in first before other modules.
27
28 .ident "GNU C scrti.s"
29
30 #ifndef __powerpc64__
31 # Start of .text
32 .section ".text"
33 .globl _ex_text0
34 _ex_text0:
35
36 # Exception range
37 .section ".exception_ranges","aw"
38 .globl _ex_range0
39 _ex_range0:
40
41 # List of C++ constructors
42 .section ".ctors","aw"
43 .globl __CTOR_LIST__
44 .type __CTOR_LIST__,@object
45 __CTOR_LIST__:
46
47 # List of C++ destructors
48 .section ".dtors","aw"
49 .globl __DTOR_LIST__
50 .type __DTOR_LIST__,@object
51 __DTOR_LIST__:
52
53 # Head of _init function used for static constructors
54 .section ".init","ax"
55 .align 2
56 .globl _init
57 .type _init,@function
58 _init: stwu %r1,-16(%r1)
59 mflr %r0
60 stw %r31,12(%r1)
61 stw %r0,16(%r1)
62
63 bl _GLOBAL_OFFSET_TABLE_-4 # get the GOT address
64 mflr %r31
65
66 # lwz %r3,_ex_shared0@got(%r31)
67 # lwz %r4,-8(%r3) # _ex_register or 0
68 # cmpi %cr0,%r4,0
69 # beq .Lno_reg
70 # mtlr %r4
71 # blrl
72 #.Lno_reg:
73
74 # Head of _fini function used for static destructors
75 .section ".fini","ax"
76 .align 2
77 .globl _fini
78 .type _fini,@function
79 _fini: stwu %r1,-16(%r1)
80 mflr %r0
81 stw %r31,12(%r1)
82 stw %r0,16(%r1)
83
84 bl _GLOBAL_OFFSET_TABLE_-4 # get the GOT address
85 mflr %r31
86
87 # _environ and its evil twin environ, pointing to the environment
88 .section ".sdata","aw"
89 .align 2
90 .globl _environ
91 .space 4
92 .weak environ
93 .set environ,_environ
94 #endif