| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | |
| 3 | quiet_cmd_chkbss = CHKBSS $< |
| 4 | define cmd_chkbss |
| 5 | rm -f $@; \ |
| 6 | if ! $(OBJDUMP) -j .bss -w -h $< | awk 'END { if ($$3) exit 1 }'; then \ |
| 7 | echo "error: $< .bss section is not empty" >&2; exit 1; \ |
| 8 | fi; \ |
| 9 | touch $@; |
| 10 | endef |
| 11 | |
| 12 | chkbss-target ?= $(obj)/built-in.a |
| 13 | ifneq (,$(findstring /,$(chkbss))) |
| 14 | chkbss-files := $(patsubst %, %.chkbss, $(chkbss)) |
| 15 | else |
| 16 | chkbss-files := $(patsubst %, $(obj)/%.chkbss, $(chkbss)) |
| 17 | endif |
| 18 | |
| 19 | $(chkbss-target): $(chkbss-files) |
| 20 | targets += $(notdir $(chkbss-files)) |
| 21 | |
| 22 | %.o.chkbss: %.o |
| 23 | $(call cmd,chkbss) |