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
|
/* Test 3 STT_GNU_IFUNC symbols. */
#include "ifunc-sel.h"
int global = -1;
/* Can't use __attribute__((visibility("protected"))) until the GCC bug:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65248
is fixed. */
asm (".protected global");
static int
one (void)
{
return 1;
}
static int
minus_one (void)
{
return -1;
}
static int
zero (void)
{
return 0;
}
void * foo1_ifunc (void) __asm__ ("foo1");
__asm__(".type foo1, %gnu_indirect_function");
void *
inhibit_stack_protector
foo1_ifunc (void)
{
return ifunc_sel (one, minus_one, zero);
}
void * foo2_ifunc (void) __asm__ ("foo2");
__asm__(".type foo2, %gnu_indirect_function");
void *
inhibit_stack_protector
foo2_ifunc (void)
{
return ifunc_sel (minus_one, one, zero);
}
void * foo3_ifunc (void) __asm__ ("foo3");
__asm__(".type foo3, %gnu_indirect_function");
void *
inhibit_stack_protector
foo3_ifunc (void)
{
return ifunc_sel (one, zero, minus_one);
}
|
