1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/* Startup code for programs linked with GNU libc. PowerPC64 version.
Copyright (C) 1998,1999,2000,2001,2002,2003,2009
Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
In addition to the permissions in the GNU Lesser General Public
License, the Free Software Foundation gives you unlimited
permission to link the compiled version of this file with other
programs, and to distribute those programs without any restriction
coming from the use of this file. (The GNU Lesser General Public
License restrictions do apply in other respects; for example, they
cover modification of the file, and distribution when not linked
into another program.)
Note that people who make modified versions of this file are not
obligated to grant this special exception for their modified
versions; it is their choice whether to do so. The GNU Lesser
General Public License gives permission to release a modified
version without this exception; this exception also makes it
possible to release a modified version which carries forward this
exception.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
#include "bp-sym.h"
/* These are the various addresses we require. */
#ifdef PIC
.section ".data.rel.ro.local","aw"
#else
.section ".rodata"
#endif
.align 3
L(start_addresses):
.quad 0 /* was _SDA_BASE_ but not in 64-bit ABI*/
/* function descriptors so don't need JUMPTARGET */
.quad BP_SYM(main)
.quad __libc_csu_init
.quad __libc_csu_fini
ASM_SIZE_DIRECTIVE(L(start_addresses))
.section ".toc","aw"
.L01:
.tc L(start_addresses)[TC],L(start_addresses)
.section ".text"
ENTRY(_start)
/* Save the stack pointer, in case we're statically linked under Linux. */
mr r9,r1
/* Set up an initial stack frame, and clear the LR. */
clrrdi r1,r1,4
li r0,0
stdu r1,-128(r1)
mtlr r0
std r0,0(r1)
/* put the address of start_addresses in r8... **
** PPC64 ABI uses R13 for thread local, so we leave it alone */
ld r8,.L01(r2)
/* and continue in libc-start, in glibc. */
b JUMPTARGET(BP_SYM(__libc_start_main))
/* The linker needs this nop to recognize that it's OK to call via a
TOC adjusting stub. */
nop
END(_start)
/* Define a symbol for the first piece of initialized data. */
.section ".data"
.globl __data_start
__data_start:
.long 0
weak_alias (__data_start, data_start)
|
