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a98f78afd9
This patch is a follow-up commit for "ld: load dynamic linker at static address on Linux". It suppresses the stderr output of 'dd' when marking the ELF binary as executable. Issue #3479
60 lines
1.4 KiB
Makefile
60 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=$(LIB).lib.so bs=1 seek=16 count=1 conv=notrunc \
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2> /dev/null
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endif
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else
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ENTRY_POINT = _start
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LD_OPT += -T$(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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