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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/* Check LD_AUDIT for aarch64 specific ABI.
Copyright (C) 2022-2023 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.
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, see
<https://www.gnu.org/licenses/>. */
#include <assert.h>
#include <link.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "tst-audit26mod.h"
#define TEST_NAME "tst-audit26"
#define AUDIT26_COOKIE 0
unsigned int
la_version (unsigned int v)
{
return v;
}
unsigned int
la_objopen (struct link_map *map, Lmid_t lmid, uintptr_t *cookie)
{
const char *p = strrchr (map->l_name, '/');
const char *l_name = p == NULL ? map->l_name : p + 1;
uintptr_t ck = -1;
if (strncmp (l_name, TEST_NAME, strlen (TEST_NAME)) == 0)
ck = AUDIT26_COOKIE;
*cookie = ck;
printf ("objopen: %ld, %s [cookie=%ld]\n", lmid, l_name, ck);
return ck == -1 ? 0 : LA_FLG_BINDFROM | LA_FLG_BINDTO;
}
ElfW(Addr)
la_aarch64_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
unsigned int ndx __attribute__ ((unused)),
uintptr_t *refcook, uintptr_t *defcook,
La_aarch64_regs *regs, unsigned int *flags,
const char *symname, long int *framesizep)
{
printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
symname, (long int) sym->st_value, ndx, *flags);
if (strcmp (symname, "tst_audit26_func") == 0)
{
assert (regs->lr_xreg[0] == ARG1);
assert (regs->lr_xreg[1] == ARG2);
assert (regs->lr_xreg[2] == ARG3);
}
else
abort ();
assert (regs->lr_vpcs == 0);
/* Clobber 'x8'. */
asm volatile ("mov x8, -1" : : : "x8");
*framesizep = 1024;
return sym->st_value;
}
unsigned int
la_aarch64_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
uintptr_t *defcook,
const struct La_aarch64_regs *inregs,
struct La_aarch64_retval *outregs, const char *symname)
{
printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u\n",
symname, (long int) sym->st_value, ndx);
if (strcmp (symname, "tst_audit26_func") == 0)
{
assert (inregs->lr_xreg[0] == ARG1);
assert (inregs->lr_xreg[1] == ARG2);
assert (inregs->lr_xreg[2] == ARG3);
}
else
abort ();
assert (inregs->lr_vpcs == 0);
assert (outregs->lrv_vpcs == 0);
/* Clobber 'x8'. */
asm volatile ("mov x8, -1" : : : "x8");
return 0;
}
|
