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f197d75fca
linux-yocto/scripts/gdb/linux/Makefile
Kieran Bingham f197d75fca scripts/gdb: provide linux constants 
Some macro's and defines are needed when parsing memory, and without
compiling the kernel as -g3 they are not available in the debug-symbols.

We use the pre-processor here to extract constants to a dedicated module
for the linux debugger extensions

Top level Kbuild is used to call in and generate the constants file,
while maintaining dependencies on autogenerated files in
include/generated

Link: http://lkml.kernel.org/r/bc3df9c25f57ea72177c066a51a446fc19e2c27f.1462865983.git.jan.kiszka@siemens.com
Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23 17:04:14 -07:00

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always := gdb-scripts

SRCTREE := $(shell cd $(srctree) && /bin/pwd)

$(obj)/gdb-scripts: ifneq ($(KBUILD_SRC),) $(Q)ln -fsn $(SRCTREE)/$(obj)/*.py $(objtree)/$(obj) endif @:

quiet_cmd_gen_constants_py = GEN $@ cmd_gen_constants_py =
$(CPP) -E -x c -P $(c_flags) $< > $@ ;
sed -i '1,//d;' $@

$(obj)/constants.py: $(SRCTREE)/$(obj)/constants.py.in $(call if_changed,gen_constants_py)

build_constants_py: $(obj)/constants.py

clean-files := *.pyc .pyo $(if $(KBUILD_SRC),.py) $(obj)/constants.py