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comparison gcc/config/arm/crti.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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children b7f97abdc517
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-1:000000000000 0:a06113de4d67
1 # Copyright (C) 2001, 2008, 2009 Free Software Foundation, Inc.
2 # Written By Nick Clifton
3 #
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by the
6 # Free Software Foundation; either version 3, or (at your option) any
7 # later version.
8 #
9 # This file is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
13 #
14 # Under Section 7 of GPL version 3, you are granted additional
15 # permissions described in the GCC Runtime Library Exception, version
16 # 3.1, as published by the Free Software Foundation.
17 #
18 # You should have received a copy of the GNU General Public License and
19 # a copy of the GCC Runtime Library Exception along with this program;
20 # see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
21 # <http://www.gnu.org/licenses/>.
22
23 /* An executable stack is *not* required for these functions. */
24 #if defined(__ELF__) && defined(__linux__)
25 .section .note.GNU-stack,"",%progbits
26 .previous
27 #endif
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 #ifdef __ELF__
34 #define TYPE(x) .type x,function
35 #else
36 #define TYPE(x)
37 #endif
38
39 # Note - this macro is complemented by the FUNC_END macro
40 # in crtn.asm. If you change this macro you must also change
41 # that macro match.
42 .macro FUNC_START
43 #ifdef __thumb__
44 .thumb
45
46 push {r3, r4, r5, r6, r7, lr}
47 #else
48 .arm
49 # Create a stack frame and save any call-preserved registers
50 mov ip, sp
51 stmdb sp!, {r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc}
52 sub fp, ip, #4
53 #endif
54 .endm
55
56 .section ".init"
57 .align 2
58 .global _init
59 #ifdef __thumb__
60 .thumb_func
61 #endif
62 TYPE(_init)
63 _init:
64 FUNC_START
65
66
67 .section ".fini"
68 .align 2
69 .global _fini
70 #ifdef __thumb__
71 .thumb_func
72 #endif
73 TYPE(_fini)
74 _fini:
75 FUNC_START
76
77 # end of crti.asm