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https://github.com/clearlinux/graphene.git
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Isaku Yamahata
4b190baef7
Auto generate offset constants for assembly. replace magic number with symbolic constants in LibOS/shim/src/syscallas.S. This patch also introduces Makefile.rules to accommodate common make rules so that V=1 (like Linux style make) is accepted. Signed-off-by: Isaku Yamahata <isaku.yamahata@gmail.com>
47 lines
1.0 KiB
Makefile
47 lines
1.0 KiB
Makefile
ifeq ("$(origin V)", "command line")
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BUILD_VERBOSE = $(V)
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endif
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ifndef BUILD_VERBOSE
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BUILD_VERBOSE = 0
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endif
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ifeq ($(BUILD_VERBOSE),1)
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quiet =
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Q =
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else
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quiet = quiet_
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Q = @
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endif
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export Q quiet BUILD_VERBOSE
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squote := '
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escsq = $(subst $(squote),'\$(squote)',$1)
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echo-cmd = $(if $($(quiet)cmd_$(1)), echo ' $(call escsq,$($(quiet)cmd_$(1)))';)
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cmd = @$(echo-cmd) $(cmd_$(1))
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quiet_cmd_asm_offsets_s = [ $@ ]
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cmd_asm_offsets_s = $(CC) $(CFLAGS) $(defs) -S $< -o $@
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asm-offsets.s: asm-offsets.c $(headers)
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$(call cmd,asm_offsets_s)
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CLEAN_FILES += asm-offsets.s
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quiet_cmd_asm_offsets_h = [ $@ ]
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cmd_asm_offsets_h = \
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(set -e; \
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echo "/* DO NOT MODIFY. THIS FILE WAS AUTO-GENERATED. */"; \
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echo "\#ifndef _ASM_OFFSETS_H_"; \
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echo "\#define _ASM_OFFSETS_H_"; \
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echo ""; \
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awk '/\.ascii \" \#define/{val=$$5; gsub("\\$$", "", val); print $$3" "$$4" "val}' $^; \
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echo ""; \
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echo "\#endif") > $@
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asm-offsets.h: asm-offsets.s
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$(call cmd,asm_offsets_h)
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CLEAN_FILES += asm-offests.h
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