about summary refs log tree commit diff
path: root/sysdeps/aarch64/tst-auditmod27.c
blob: 547ca9fd3c84d297ea4fcda351934b3c817983bc (plain) (blame)
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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
/* Check LD_AUDIT for aarch64 specific ABI.
   Copyright (C) 2022-2024 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 <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include "tst-audit27mod.h"

#define TEST_NAME  "tst-audit27"

#define AUDIT27_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 = AUDIT27_COOKIE;
  *cookie = ck;
  printf ("objopen: %ld, %s [%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, unsigned int ndx, 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_audit27_func_float") == 0)
    {
      assert (regs->lr_vreg[0].s == FUNC_FLOAT_ARG0);
      assert (regs->lr_vreg[1].s == FUNC_FLOAT_ARG1);
      assert (regs->lr_vreg[2].s == FUNC_FLOAT_ARG2);
      assert (regs->lr_vreg[3].s == FUNC_FLOAT_ARG3);
      assert (regs->lr_vreg[4].s == FUNC_FLOAT_ARG4);
      assert (regs->lr_vreg[5].s == FUNC_FLOAT_ARG5);
      assert (regs->lr_vreg[6].s == FUNC_FLOAT_ARG6);
      assert (regs->lr_vreg[7].s == FUNC_FLOAT_ARG7);
    }
  else if (strcmp (symname, "tst_audit27_func_double") == 0)
    {
      assert (regs->lr_vreg[0].d == FUNC_DOUBLE_ARG0);
      assert (regs->lr_vreg[1].d == FUNC_DOUBLE_ARG1);
      assert (regs->lr_vreg[2].d == FUNC_DOUBLE_ARG2);
      assert (regs->lr_vreg[3].d == FUNC_DOUBLE_ARG3);
      assert (regs->lr_vreg[4].d == FUNC_DOUBLE_ARG4);
      assert (regs->lr_vreg[5].d == FUNC_DOUBLE_ARG5);
      assert (regs->lr_vreg[6].d == FUNC_DOUBLE_ARG6);
      assert (regs->lr_vreg[7].d == FUNC_DOUBLE_ARG7);
    }
  else if (strcmp (symname, "tst_audit27_func_ldouble") == 0)
    {
      assert (regs->lr_vreg[0].q == FUNC_LDOUBLE_ARG0);
      assert (regs->lr_vreg[1].q == FUNC_LDOUBLE_ARG1);
      assert (regs->lr_vreg[2].q == FUNC_LDOUBLE_ARG2);
      assert (regs->lr_vreg[3].q == FUNC_LDOUBLE_ARG3);
      assert (regs->lr_vreg[4].q == FUNC_LDOUBLE_ARG4);
      assert (regs->lr_vreg[5].q == FUNC_LDOUBLE_ARG5);
      assert (regs->lr_vreg[6].q == FUNC_LDOUBLE_ARG6);
      assert (regs->lr_vreg[7].q == FUNC_LDOUBLE_ARG7);
    }
  else
    abort ();

  assert (regs->lr_vpcs == 0);

  /* Clobber the q registers on exit.  */
  uint8_t v = 0xff;
  asm volatile ("dup v0.8b, %w0" : : "r" (v) : "v0");
  asm volatile ("dup v1.8b, %w0" : : "r" (v) : "v1");
  asm volatile ("dup v2.8b, %w0" : : "r" (v) : "v2");
  asm volatile ("dup v3.8b, %w0" : : "r" (v) : "v3");
  asm volatile ("dup v4.8b, %w0" : : "r" (v) : "v4");
  asm volatile ("dup v5.8b, %w0" : : "r" (v) : "v5");
  asm volatile ("dup v6.8b, %w0" : : "r" (v) : "v6");
  asm volatile ("dup v7.8b, %w0" : : "r" (v) : "v7");

  *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_audit27_func_float") == 0)
    {
      assert (inregs->lr_vreg[0].s == FUNC_FLOAT_ARG0);
      assert (inregs->lr_vreg[1].s == FUNC_FLOAT_ARG1);
      assert (inregs->lr_vreg[2].s == FUNC_FLOAT_ARG2);
      assert (inregs->lr_vreg[3].s == FUNC_FLOAT_ARG3);
      assert (inregs->lr_vreg[4].s == FUNC_FLOAT_ARG4);
      assert (inregs->lr_vreg[5].s == FUNC_FLOAT_ARG5);
      assert (inregs->lr_vreg[6].s == FUNC_FLOAT_ARG6);
      assert (inregs->lr_vreg[7].s == FUNC_FLOAT_ARG7);

      assert (outregs->lrv_vreg[0].s == FUNC_FLOAT_RET);
    }
  else if (strcmp (symname, "tst_audit27_func_double") == 0)
    {
      assert (inregs->lr_vreg[0].d == FUNC_DOUBLE_ARG0);
      assert (inregs->lr_vreg[1].d == FUNC_DOUBLE_ARG1);
      assert (inregs->lr_vreg[2].d == FUNC_DOUBLE_ARG2);
      assert (inregs->lr_vreg[3].d == FUNC_DOUBLE_ARG3);
      assert (inregs->lr_vreg[4].d == FUNC_DOUBLE_ARG4);
      assert (inregs->lr_vreg[5].d == FUNC_DOUBLE_ARG5);
      assert (inregs->lr_vreg[6].d == FUNC_DOUBLE_ARG6);
      assert (inregs->lr_vreg[7].d == FUNC_DOUBLE_ARG7);

      assert (outregs->lrv_vreg[0].d == FUNC_DOUBLE_RET);
    }
  else if (strcmp (symname, "tst_audit27_func_ldouble") == 0)
    {
      assert (inregs->lr_vreg[0].q == FUNC_LDOUBLE_ARG0);
      assert (inregs->lr_vreg[1].q == FUNC_LDOUBLE_ARG1);
      assert (inregs->lr_vreg[2].q == FUNC_LDOUBLE_ARG2);
      assert (inregs->lr_vreg[3].q == FUNC_LDOUBLE_ARG3);
      assert (inregs->lr_vreg[4].q == FUNC_LDOUBLE_ARG4);
      assert (inregs->lr_vreg[5].q == FUNC_LDOUBLE_ARG5);
      assert (inregs->lr_vreg[6].q == FUNC_LDOUBLE_ARG6);
      assert (inregs->lr_vreg[7].q == FUNC_LDOUBLE_ARG7);

      assert (outregs->lrv_vreg[0].q == FUNC_LDOUBLE_RET);
    }
  else
    abort ();

  assert (inregs->lr_vpcs == 0);
  assert (outregs->lrv_vpcs == 0);

  /* Clobber the q registers on exit.  */
  uint8_t v = 0xff;
  asm volatile ("dup v0.8b, %w0" : : "r" (v) : "v0");
  asm volatile ("dup v1.8b, %w0" : : "r" (v) : "v1");
  asm volatile ("dup v2.8b, %w0" : : "r" (v) : "v2");
  asm volatile ("dup v3.8b, %w0" : : "r" (v) : "v3");
  asm volatile ("dup v4.8b, %w0" : : "r" (v) : "v4");
  asm volatile ("dup v5.8b, %w0" : : "r" (v) : "v5");
  asm volatile ("dup v6.8b, %w0" : : "r" (v) : "v6");
  asm volatile ("dup v7.8b, %w0" : : "r" (v) : "v7");

  return 0;
}