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# crti.S for Sunplus S+CORE
#
#   Copyright (C) 2005, 2009, 2010, 2011 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3, or (at your option) any
# later version.
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# Under Section 7 of GPL version 3, you are granted additional
# permissions described in the GCC Runtime Library Exception, version
# 3.1, as published by the Free Software Foundation.
#
# You should have received a copy of the GNU General Public License and
# a copy of the GCC Runtime Library Exception along with this program;
# see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
# .
 
# This file makes a stack frame for the contents of the .init and
# .fini sections.
.extern _stack
 
#ifndef __pic__
.section .init, "ax", @progbits
        .weak   _start
        .ent    _start
        .frame  r0, 0, r3, 0
        .mask   0x00000000, 0
_start:
        la      r28, _gp
        la      r8, __bss_start
        la      r9, __bss_end__
        sub!    r9, r8
        srli!   r9, 2
        addi    r9, -1
        mtsr    r9, sr0
        li      r9, 0
1:
        sw      r9, [r8]+, 4
        bcnz    1b
        la      r0, _stack
        jl      _init
        la      r4, _end
        jl      _init_argv
        jl      exit
        .end    _start
 
        .weak   _init_argv
        .ent
        .frame  r0, 0, r3, 0
        .mask   0x00000000, 0
_init_argv:
        ldiu!   r4, 0
        ldiu!   r5, 0
        j       main
        .end    _init_argv
 
        .globl  _init
        .type   _init, %function
_init:
        addi    r0, -32
        sw      r3, [r0, 20]
 
        .section .fini, "ax", @progbits
        .globl  _fini
        .type   _fini, %function
_fini:
        addi    r0, -32
        sw      r3, [r0, 20]
#else
.section .init, "ax", @progbits
        .set    pic
        .weak   _start
        .ent    _start
        .frame  r0, 0, r3, 0
        .mask   0x00000000, 0
_start:
        mv      r29, r3
        bl      0f
0:
        .cpload r3
        mv      r3, r29
        la      r8, __bss_start
        la      r9, __bss_end__
        sub!    r9, r8
        srli!   r9, 2
        addi    r9, -1
        mtsr    r9, sr0
        li      r9, 0
1:
        sw      r9, [r8]+, 4
        bcnz    1b
        la      r0, _stack
        bl      _init
        la      r4, _end
        la      r29, _init_argv
        brl     r29
        la      r29, exit
        brl     r29
        .end    _start
 
        .weak   _init_argv
        .ent _init_argv
        .frame  r0, 0, r3, 0
        .mask   0x00000000, 0
_init_argv:
        ldiu!   r4, 0
        ldiu!   r5, 0
        la      r29, main
        brl     r29
        .end    _init_argv
 
        .globl  _init
        .type   _init, %function
_init:
        addi    r0, -32
        sw      r3, [r0, 20]
 
        .section .fini, "ax", @progbits
        .globl  _fini
        .type   _fini, %function
_fini:
        addi    r0, -32
        sw      r3, [r0, 20]
 
#endif

Line No.	Rev	Author	Line
1	734	jeremybenn	`# crti.S for Sunplus S+CORE`
2			`#`
3			`# Copyright (C) 2005, 2009, 2010, 2011 Free Software Foundation, Inc.`
4			`#`
5			`# This file is free software; you can redistribute it and/or modify it`
6			`# under the terms of the GNU General Public License as published by the`
7			`# Free Software Foundation; either version 3, or (at your option) any`
8			`# later version.`
9			`#`
10			`# This file is distributed in the hope that it will be useful, but`
11			`# WITHOUT ANY WARRANTY; without even the implied warranty of`
12			`# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU`
13			`# General Public License for more details.`
14			`#`
15			`# Under Section 7 of GPL version 3, you are granted additional`
16			`# permissions described in the GCC Runtime Library Exception, version`
17			`# 3.1, as published by the Free Software Foundation.`
18			`#`
19			`# You should have received a copy of the GNU General Public License and`
20			`# a copy of the GCC Runtime Library Exception along with this program;`
21			`# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see`
22			`# .`
23
24			`# This file makes a stack frame for the contents of the .init and`
25			`# .fini sections.`
26			`.extern _stack`
27
28			`#ifndef __pic__`
29			`.section .init, "ax", @progbits`
30			`.weak _start`
31			`.ent _start`
32			`.frame r0, 0, r3, 0`
33			`.mask 0x00000000, 0`
34			`_start:`
35			`la r28, _gp`
36			`la r8, __bss_start`
37			`la r9, __bss_end__`
38			`sub! r9, r8`
39			`srli! r9, 2`
40			`addi r9, -1`
41			`mtsr r9, sr0`
42			`li r9, 0`
43			`1:`
44			`sw r9, [r8]+, 4`
45			`bcnz 1b`
46			`la r0, _stack`
47			`jl _init`
48			`la r4, _end`
49			`jl _init_argv`
50			`jl exit`
51			`.end _start`
52
53			`.weak _init_argv`
54			`.ent`
55			`.frame r0, 0, r3, 0`
56			`.mask 0x00000000, 0`
57			`_init_argv:`
58			`ldiu! r4, 0`
59			`ldiu! r5, 0`
60			`j main`
61			`.end _init_argv`
62
63			`.globl _init`
64			`.type _init, %function`
65			`_init:`
66			`addi r0, -32`
67			`sw r3, [r0, 20]`
68
69			`.section .fini, "ax", @progbits`
70			`.globl _fini`
71			`.type _fini, %function`
72			`_fini:`
73			`addi r0, -32`
74			`sw r3, [r0, 20]`
75			`#else`
76			`.section .init, "ax", @progbits`
77			`.set pic`
78			`.weak _start`
79			`.ent _start`
80			`.frame r0, 0, r3, 0`
81			`.mask 0x00000000, 0`
82			`_start:`
83			`mv r29, r3`
84			`bl 0f`
85			`0:`
86			`.cpload r3`
87			`mv r3, r29`
88			`la r8, __bss_start`
89			`la r9, __bss_end__`
90			`sub! r9, r8`
91			`srli! r9, 2`
92			`addi r9, -1`
93			`mtsr r9, sr0`
94			`li r9, 0`
95			`1:`
96			`sw r9, [r8]+, 4`
97			`bcnz 1b`
98			`la r0, _stack`
99			`bl _init`
100			`la r4, _end`
101			`la r29, _init_argv`
102			`brl r29`
103			`la r29, exit`
104			`brl r29`
105			`.end _start`
106
107			`.weak _init_argv`
108			`.ent _init_argv`
109			`.frame r0, 0, r3, 0`
110			`.mask 0x00000000, 0`
111			`_init_argv:`
112			`ldiu! r4, 0`
113			`ldiu! r5, 0`
114			`la r29, main`
115			`brl r29`
116			`.end _init_argv`
117
118			`.globl _init`
119			`.type _init, %function`
120			`_init:`
121			`addi r0, -32`
122			`sw r3, [r0, 20]`
123
124			`.section .fini, "ax", @progbits`
125			`.globl _fini`
126			`.type _fini, %function`
127			`_fini:`
128			`addi r0, -32`
129			`sw r3, [r0, 20]`
130
131			`#endif`

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgcc/] [config/] [score/] [crti.S] - Blame information for rev 801