| /* 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 |