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kpatch/kmod/core/Makefile

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Makefile
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proper makefile support - setup the makefiles to support "make" and "make install", which builds the kpatch-build tools and installs everything in /usr/local. - update kpatch-build to support new paths - add "kpatch build" wrapper around kpatch-build
2014-02-13 16:04:35 +00:00
# make rules
fix KPATCH_BUILD path use the build symlink in /lib/modules for a more portable path to the build env for the kernel. Signed-off-by: Seth Jennings <sjenning@redhat.com>
2014-03-05 17:31:15 +00:00
KPATCH_BUILD ?= /lib/modules/$(shell uname -r)/build
build and install core module with make Build and install the kpatch core module with make and make install, rather than building it every time with kpatch build. The only downside to this approach is that the user has to make and make install kpatch every time they get a new kernel. But this is only temporary, until the kpatch module is delivered in an RPM.
2014-02-18 04:37:07 +00:00
THISDIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
ifeq ($(wildcard $(KPATCH_BUILD)),)
kmod/core/Makefile: update the Makefile for Debian Like
2014-07-28 14:50:03 +00:00
$(error $(KPATCH_BUILD) doesn\'t exist. Try installing the kernel-devel-$(shell uname -r) RPM or linux-image-$(shell uname -r)-dbg DEB.)
build and install core module with make Build and install the kpatch core module with make and make install, rather than building it every time with kpatch build. The only downside to this approach is that the user has to make and make install kpatch every time they get a new kernel. But this is only temporary, until the kpatch module is delivered in an RPM.
2014-02-18 04:37:07 +00:00
endif
KPATCH_MAKE = $(MAKE) -C $(KPATCH_BUILD) M=$(THISDIR)
major rewrite to per-section function/data model Signed-off-by: Seth Jennings <sjenning@redhat.com>
2014-02-11 16:25:48 +00:00
kmod/core: remove assembler code Long ago, the kpatch_trampoline required being written in assembler, but that's no longer needed now that it integrates nicely with ftrace. Move it to a C function and rename it kpatch_ftrace_handler.
2014-03-13 18:02:28 +00:00
kpatch.ko: core.c
major rewrite to per-section function/data model Signed-off-by: Seth Jennings <sjenning@redhat.com>
2014-02-11 16:25:48 +00:00
$(KPATCH_MAKE) kpatch.ko
all: kpatch.ko
clean:
$(RM) -Rf .*.o.cmd .*.ko.cmd .tmp_versions *.o *.ko *.mod.c \
Module.symvers
proper makefile support - setup the makefiles to support "make" and "make install", which builds the kpatch-build tools and installs everything in /usr/local. - update kpatch-build to support new paths - add "kpatch build" wrapper around kpatch-build
2014-02-13 16:04:35 +00:00
# kbuild rules
obj-m := kpatch.o
add support for shadow variables This adds support for shadow variables, which allow you to add new "shadow" fields to existing data structures. To allow patches to call the shadow functions in the core module, I had to add a funky hack to use --warn-unresolved-symbols when linking, which allows the patched vmlinux to link with the missing symbols. I also added greps to the log file to ensure that only unresolved symbols to kpatch_shadow_* are allowed. We can remove this hack once the core module gets moved into the kernel tree. Fixes #314.
2014-08-29 16:27:33 +00:00
kpatch-y := core.o shadow.o
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