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ff28ed0f8c
Even though the binary patching of ldso must be performed only once, this postprocessing step was executed on each run because the postprocess.tag rule is phony (the tag file is never created). This patch removes this phony behavior by creating the tag file. Issue #3974
61 lines
1.4 KiB
Makefile
61 lines
1.4 KiB
Makefile
SHARED_LIB = yes
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DIR = $(BASE_DIR)/src/lib/ldso
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LIB_IS_DYNAMIC_LINKER = yes
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include $(BASE_DIR)/mk/base-libs.mk
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LIBS = $(BASE_LIBS)
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SRC_CC = main.cc test.cc exception.cc dependency.cc debug.cc \
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shared_object.cc
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SRC_S = jmp_slot.s
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INC_DIR += $(DIR)/include
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INC_DIR += $(BASE_DIR)/src/include
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LD_OPT += -Bsymbolic-functions --version-script=symbol.map
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# enable use of 'check_abi'
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SYMBOLS := $(BASE_DIR)/lib/symbols/ld
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#
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# Generate symbol map from the ABI
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#
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$(LIB).lib.so: symbol.map
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symbol.map: $(MAKEFILE_LIST)
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symbol.map: $(BASE_DIR)/lib/symbols/ld
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$(MSG_CONVERT)$@
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$(VERBOSE)(echo -e "{\n\tglobal:";\
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sed -n "s/^\(\w\+\) .*/\t\t\1;/p" $<;\
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echo -e "\tlocal: *;\n};") > $@
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ifneq ($(filter linux, $(SPECS)),)
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ENTRY_POINT = _start_initial_stack
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LD_SCRIPT_SO = $(call select_from_repositories,src/ld/stack_area.ld) \
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-T$(BASE_DIR)/src/ld/genode_rel.ld
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ifneq ($(filter x86_32, $(SPECS)),)
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LD_OPT += -T$(DIR)/linux-32.ld
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endif
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#
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# Set dynamic linker ELF type to executable
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#
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ifeq ($(called_from_lib_mk),yes)
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$(LIB).lib.so.stripped: postprocess.tag
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postprocess.tag: $(LIB).lib.so
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$(VERBOSE)printf "\x02" |\
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dd of=$(LIB).lib.so bs=1 seek=16 count=1 conv=notrunc \
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2> /dev/null
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$(VERBOSE)touch $@
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endif
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else
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ENTRY_POINT = _start
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LD_OPT += -T$(DIR)/linker.ld
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endif
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vpath %.cc $(DIR)
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# vi:ft=make
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