1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
6 #define SIZEOF_MCOUNT_LOC_ENTRY 8
7 #define SIZEOF_FTRACE_HOTPATCH_TRAMPOLINE 24
8 #define FTRACE_HOTPATCH_TRAMPOLINES_SIZE(n) \
9 DIV_ROUND_UP(SIZEOF_FTRACE_HOTPATCH_TRAMPOLINE * (n), \
10 SIZEOF_MCOUNT_LOC_ENTRY)
12 #ifdef CONFIG_FUNCTION_TRACER
13 #define FTRACE_HOTPATCH_TRAMPOLINES_TEXT \
15 __ftrace_hotpatch_trampolines_start = .; \
16 . = . + FTRACE_HOTPATCH_TRAMPOLINES_SIZE(__stop_mcount_loc - \
17 __start_mcount_loc); \
18 __ftrace_hotpatch_trampolines_end = .;
20 #define FTRACE_HOTPATCH_TRAMPOLINES_TEXT