23 lines
		
	
	
		
			890 B
		
	
	
	
		
			Makefile
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			890 B
		
	
	
	
		
			Makefile
		
	
	
	
	
	
| # SPDX-License-Identifier: GPL-2.0
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| 
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| GENERIC_VDSO_MK_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
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| GENERIC_VDSO_DIR := $(dir $(GENERIC_VDSO_MK_PATH))
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| 
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| c-gettimeofday-$(CONFIG_GENERIC_GETTIMEOFDAY) := $(addprefix $(GENERIC_VDSO_DIR), gettimeofday.c)
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| 
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| # This cmd checks that the vdso library does not contain absolute relocation
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| # It has to be called after the linking of the vdso library and requires it
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| # as a parameter.
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| #
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| # $(ARCH_REL_TYPE_ABS) is defined in the arch specific makefile and corresponds
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| # to the absolute relocation types printed by "objdump -R" and accepted by the
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| # dynamic linker.
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| ifndef ARCH_REL_TYPE_ABS
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| $(error ARCH_REL_TYPE_ABS is not set)
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| endif
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| 
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| quiet_cmd_vdso_check = VDSOCHK $@
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|       cmd_vdso_check = if $(OBJDUMP) -R $@ | egrep -h "$(ARCH_REL_TYPE_ABS)"; \
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| 		       then (echo >&2 "$@: dynamic relocations are not supported"; \
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| 			     rm -f $@; /bin/false); fi
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