OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgcc/] [config/] [arm/] [crti.S] - Blame information for rev 734

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 734 jeremybenn
#   Copyright (C) 2001, 2008, 2009, 2010, 2011 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
# .
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
#ifdef __ARM_EABI__
39
/* Some attributes that are common to all routines in this file.  */
40
        /* Tag_ABI_align_needed: This code does not require 8-byte
41
           alignment from the caller.  */
42
        /* .eabi_attribute 24, 0  -- default setting.  */
43
        /* Tag_ABI_align_preserved: This code preserves 8-byte
44
           alignment in any callee.  */
45
        .eabi_attribute 25, 1
46
#endif /* __ARM_EABI__ */
47
 
48
        # Note - this macro is complemented by the FUNC_END macro
49
        # in crtn.S.  If you change this macro you must also change
50
        # that macro match.
51
.macro FUNC_START
52
#ifdef __thumb__
53
        .thumb
54
 
55
        push    {r3, r4, r5, r6, r7, lr}
56
#else
57
        .arm
58
        #  Create a stack frame and save any call-preserved registers
59
        mov     ip, sp
60
        stmdb   sp!, {r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc}
61
        sub     fp, ip, #4
62
#endif
63
.endm
64
 
65
        .section        ".init"
66
        .align 2
67
        .global _init
68
#ifdef __thumb__
69
        .thumb_func
70
#endif
71
        TYPE(_init)
72
_init:
73
        FUNC_START
74
 
75
 
76
        .section        ".fini"
77
        .align  2
78
        .global _fini
79
#ifdef __thumb__
80
        .thumb_func
81
#endif
82
        TYPE(_fini)
83
_fini:
84
        FUNC_START
85
 
86
# end of crti.S

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.