1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef DIV_ROUND_UP
#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
#endif
#define SIZEOF_MCOUNT_LOC_ENTRY 8
#define SIZEOF_FTRACE_HOTPATCH_TRAMPOLINE 24
#define FTRACE_HOTPATCH_TRAMPOLINES_SIZE(n) \
DIV_ROUND_UP(SIZEOF_FTRACE_HOTPATCH_TRAMPOLINE * (n), \
SIZEOF_MCOUNT_LOC_ENTRY)
#ifdef CONFIG_FUNCTION_TRACER
#define FTRACE_HOTPATCH_TRAMPOLINES_TEXT \
. = ALIGN(8); \
__ftrace_hotpatch_trampolines_start = .; \
. = . + FTRACE_HOTPATCH_TRAMPOLINES_SIZE(__stop_mcount_loc - \
__start_mcount_loc); \
__ftrace_hotpatch_trampolines_end = .;
#else
#define FTRACE_HOTPATCH_TRAMPOLINES_TEXT
#endif
|
