blob: f54e24f862c60e743398006341b0e22cc5c1ca3d (
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
|
// SPDX-License-Identifier: GPL-2.0
/* Two functions contribute to one special section; only one is patched. */
static const char __modinfo[]
__attribute__((section(".modinfo"), used, aligned(1))) = "\0name=vmlinux";
int other(int x)
{
asm volatile(
"2:\n\t"
".pushsection .kcfi_traps, \"a\"\n\t"
".balign 4\n\t"
".long 2b - .\n\t"
".popsection\n\t");
return x * 5;
}
int target(int x)
{
asm volatile(
"1:\n\t"
".pushsection .kcfi_traps, \"a\"\n\t"
".balign 4\n\t"
".long 1b - .\n\t"
".popsection\n\t");
#ifdef PATCHED
return x + 2;
#else
return x + 1;
#endif
}
|
