1/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
2
3   This file is part of the GNU C Library.
4
5   The GNU C Library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9
10   In addition to the permissions in the GNU Lesser General Public
11   License, the Free Software Foundation gives you unlimited
12   permission to link the compiled version of this file with other
13   programs, and to distribute those programs without any restriction
14   coming from the use of this file. (The GNU Lesser General Public
15   License restrictions do apply in other respects; for example, they
16   cover modification of the file, and distribution when not linked
17   into another program.)
18
19   Note that people who make modified versions of this file are not
20   obligated to grant this special exception for their modified
21   versions; it is their choice whether to do so. The GNU Lesser
22   General Public License gives permission to release a modified
23   version without this exception; this exception also makes it
24   possible to release a modified version which carries forward this
25   exception.
26
27   The GNU C Library is distributed in the hope that it will be useful,
28   but WITHOUT ANY WARRANTY; without even the implied warranty of
29   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
30   Lesser General Public License for more details.
31
32   You should have received a copy of the GNU Lesser General Public
33   License along with the GNU C Library.  If not, see
34   <https://www.gnu.org/licenses/>.  */
35
36    .text
37    .globl _start
38    .type _start,@function
39_start:
40    /* On entry the stack contains the following args:
41         r1+0 - argc
42         r1+4 - argv[0]
43         ...
44         r1+4*(argc-1) - argv[argc-1]
45         r1+4*argc - NULL
46         r1+4*argc + 4 - envp[0]
47         ...
48         NULL
49    */
50    addk    r3,r0,r0
51    addk    r5,r1,r0
521:
53    addik   r5,r5,4
54    lw      r4,r5,r0
55    bneid   r4,1b
56    addik   r3,r3,1
57    addik   r6,r3,-1
58    sw      r6,r1,r0
59    addik   r7,r1,4
60    addik   r1,r1,-24
61#ifdef SHARED
62    /* Setup PIC.  */
63    mfs     r20,rpc
64    addik   r20,r20,_GLOBAL_OFFSET_TABLE_+8
65    lwi     r5,r20,main@GOT
66    addk    r8,r0,r0		/* Used to be init.  */
67    addk    r9,r0,r0		/* Used to be fini.  */
68    brid    __libc_start_main@PLT
69    addk    r10,r0,r0
70#else
71    addik   r5,r0,main
72    addk    r8,r0,r0		/* Used to be init.  */
73    addk    r9,r0,r0		/* Used to be fini.  */
74    brid    __libc_start_main
75    addk    r10,r0,r0
76#endif
77
78/* Define a symbol for the first piece of initialized data.  */
79    .data
80    .globl __data_start
81__data_start:
82    .long 0
83    .weak data_start
84    data_start = __data_start
85