mirror of https://github.com/dynup/kpatch
74 lines
2.4 KiB
Makefile
74 lines
2.4 KiB
Makefile
EXT_ORIG ?= ORIG.o
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EXT_PATCHED ?= PATCHED.o
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EXT_FAIL ?= PATCHED.FAIL.o
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EXT_TEST ?= test
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EXT_OUTPUT ?= OUTPUT.o
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EXT_TEST_OUTPUT ?= test.out
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EXT_SYMTAB ?= symtab
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EXT_SYMVERS ?= symvers
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EXT_ENV ?= env
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TNAME = $(@:.$(EXT_OUTPUT)=)
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ifndef VERBOSE
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MUTE_PASS := >/dev/null
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MUTE_FAIL := >/dev/null 2>&1
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.SILENT: $(TARGETS) $(TEST_TARGETS)
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endif
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SRC_PATH ?= $(realpath ../../../../)
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CDO ?= $(SRC_PATH)/kpatch-build/create-diff-object
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TEST_LIBRARY ?= $(SRC_PATH)/test/test-functions.sh
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TEST_ENV = KPATCH_TEST_LIBRARY=$(TEST_LIBRARY)
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TARGETS = $(patsubst %.$(EXT_ORIG),%.$(EXT_OUTPUT),$(wildcard *.$(EXT_ORIG)))
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TEST_TARGETS = $(patsubst %.$(EXT_TEST),%.$(EXT_TEST_OUTPUT),$(wildcard *.$(EXT_TEST)))
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SYMVERS_FILE = $(if $(wildcard $(TNAME).$(EXT_SYMVERS)),$(TNAME).$(EXT_SYMVERS),/dev/null)
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define check_stripped =
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$(if $(shell readelf --debug-dump $(1)),
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$(error $(1) is not properly stripped, use 'strip --strip-debug --keep-file-symbols $(1)' to fix this),
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)
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endef
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define check_all =
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$(if $(findstring NOSTRIP,$(1)), , $(call check_stripped,$(1)))
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endef
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.DELETE_ON_ERROR: %.$(EXT_OUTPUT)
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all: $(TARGETS) $(TEST_TARGETS)
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clean:
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rm -f *.$(EXT_TEST_OUTPUT) *.$(EXT_OUTPUT)
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%.$(EXT_SYMTAB):
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readelf -s --wide $(patsubst %.$(EXT_SYMTAB),%.$(EXT_ORIG),$(@)) | \
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sed -r 's/\s+\[<localentry>: 8\]//' >$@
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%.$(EXT_TEST_OUTPUT): %.$(EXT_OUTPUT) %.$(EXT_TEST) $(TEST_LIBRARY)
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@echo "TEST $(@:.$(EXT_TEST_OUTPUT)=)"
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$(TEST_ENV) bash $(@:.$(EXT_TEST_OUTPUT)=.$(EXT_TEST)) $<
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# Don't rely on script creating this
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@touch $@
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%.$(EXT_OUTPUT): %.$(EXT_ORIG) %.$(EXT_PATCHED) %.$(EXT_SYMTAB) $(CDO)
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@echo "BUILD $(TNAME)"
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$(call check_all,$(TNAME).$(EXT_ORIG))
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$(call check_all,$(TNAME).$(EXT_PATCHED))
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$(CDO_ENV) $(shell cat $(TNAME).$(EXT_ENV) 2>/dev/null) $(CDO) $(TNAME).$(EXT_ORIG) $(TNAME).$(EXT_PATCHED) \
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vmlinux $(TNAME).$(EXT_SYMTAB) $(SYMVERS_FILE) \
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test_$(TNAME) $@ $(MUTE_PASS)
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%.$(EXT_OUTPUT): %.$(EXT_ORIG) %.$(EXT_FAIL) %.$(EXT_SYMTAB) $(CDO)
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@echo "BUILD $(TNAME)-FAIL"
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$(call check_all,$(TNAME).$(EXT_ORIG))
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$(call check_all,$(TNAME).$(EXT_FAIL))
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! $(CDO_ENV) $(shell cat $(TNAME).$(EXT_ENV) 2>/dev/null) $(CDO) $(TNAME).$(EXT_ORIG) $(TNAME).$(EXT_FAIL) \
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vmlinux $(TNAME).$(EXT_SYMTAB) $(SYMVERS_FILE) \
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test_$(TNAME) $@ $(MUTE_FAIL)
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# Expecting to fail, thus create output file manually so we won't rerun the
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# test without clean
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@touch $@
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