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9ea4a491d6
This patch removes the manually maintained symbol map from the dynamic linker. This way, the symbol map stays in sync with the ABI and - more importantly - no longer uses wildcards. So the symbols exported by the dynamic linker are strictly limited by the ABI. Issue #2190
47 lines
1.0 KiB
Makefile
47 lines
1.0 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 += $(BASE_DIR)/src/include
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LD_OPT += -Bsymbolic-functions --version-script=symbol.map
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#
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# Generate symbol map from the ABI
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#
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$(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, $(SPECS)),)
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ENTRY_POINT = _start_initial_stack
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LD_OPT += -T$(call select_from_repositories,src/ld/stack_area.nostdlib.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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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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include $(BASE_DIR)/lib/import/import-ld.mk
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vpath %.cc $(DIR)
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# vi:ft=make
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