/* 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