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
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2019 Free Software Foundation, Inc.
This program 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 of the License, or
(at your option) any later version.
This program 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
extern void excessiveprologue ();
void
innerfunc ()
{
printf ("inner\n");
}
/* excessiveprologue saves to the stack in multiple ways. */
asm ("\t.section .gnu.sgstubs,\"ax\",%progbits\n"
"\t.global excessiveprologue\n"
"\t.type excessiveprologue, %function\n"
"excessiveprologue:\n"
"\tstp x29, x30, [sp, #-208]!\n"
"\tmov x29, sp\n"
"\tstp w0,w1,[sp,16]\n"
"\tstp x2,x3,[sp,24]\n"
"\tstr w4,[sp,40]\n"
"\tstr x5,[sp,48]\n"
"\tstur w6,[sp,52]\n"
"\tstur x7,[sp,56]\n"
"\tstp s0,s1,[sp,64]\n"
"\tstp d2,d3,[sp,72]\n"
"\tstp q4,q5,[sp,96]\n"
"\tstr b6,[sp,128]\n"
"\tstr h7,[sp,132]\n"
"\tstr s8,[sp,136]\n"
"\tstr d9,[sp,140]\n"
"\tstr q10,[sp,148]\n"
"\tstur b11,[sp,164]\n"
"\tstur h12,[sp,160]\n"
"\tstur s13,[sp,172]\n"
"\tstur d14,[sp,176]\n"
"\tstur q15,[sp,184]\n"
"\tbl innerfunc\n"
"\tldp w0,w1,[sp,16]\n"
"\tldp x2,x3,[sp,24]\n"
"\tldr w4,[sp,40]\n"
"\tldr x5,[sp,48]\n"
"\tldur w6,[sp,52]\n"
"\tldur x7,[sp,56]\n"
"\tldp s0,s1,[sp,64]\n"
"\tldp d2,d3,[sp,72]\n"
"\tldp q4,q5,[sp,96]\n"
"\tldr b6,[sp,128]\n"
"\tldr h7,[sp,132]\n"
"\tldr s8,[sp,136]\n"
"\tldr d9,[sp,140]\n"
"\tldr q10,[sp,148]\n"
"\tldur b11,[sp,164]\n"
"\tldur h12,[sp,160]\n"
"\tldur s13,[sp,172]\n"
"\tldur d14,[sp,176]\n"
"\tldur q15,[sp,184]\n"
"\tldp x29, x30, [sp], #208\n"
"ret\n");
int
main (void)
{
excessiveprologue ();
return 0;
}
|
