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comparison gcc/config/score/crti.asm @ 0:a06113de4d67

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first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children f6334be47118
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-1:000000000000 0:a06113de4d67
1 # crti.asm for Sunplus S+CORE
2 #
3 # Copyright (C) 2005, 2009 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 # <http://www.gnu.org/licenses/>.
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