| 1 | include ../scripts/Makefile.include
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| 2 |
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| 3 | ifndef ($(ARCH))
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| 4 | ARCH ?= $(shell uname -m)
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| 5 | ifeq ($(ARCH),x86_64)
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| 6 | ARCH := x86
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| 7 | endif
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| 8 | endif
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| 9 |
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| 10 |
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| 11 | CC = gcc
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| 12 | LD = ld
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| 13 | AR = ar
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| 14 |
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| 15 | ifeq ($(srctree),)
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| 16 | srctree := $(patsubst %/,%,$(dir $(shell pwd)))
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| 17 | srctree := $(patsubst %/,%,$(dir $(srctree)))
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| 18 | endif
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| 19 |
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| 20 | SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/
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| 21 | LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(PWD)/)
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| 22 | LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a
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| 23 |
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| 24 | OBJTOOL := $(OUTPUT)objtool
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| 25 | OBJTOOL_IN := $(OBJTOOL)-in.o
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| 26 |
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| 27 | all: $(OBJTOOL)
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| 28 |
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| 29 | INCLUDES := -I$(srctree)/tools/include
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| 30 | CFLAGS += -Wall -Werror $(EXTRA_WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES)
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| 31 | LDFLAGS += -lelf $(LIBSUBCMD)
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| 32 |
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| 33 |
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| 34 | elfshdr := $(shell echo '\#include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr)
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| 35 | CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED)
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| 36 |
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| 37 | AWK = awk
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| 38 | export srctree OUTPUT CFLAGS ARCH AWK
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| 39 | include $(srctree)/tools/build/Makefile.include
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| 40 |
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| 41 | $(OBJTOOL_IN): fixdep FORCE
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| 42 | @$(MAKE) $(build)=objtool
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| 43 |
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| 44 | $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
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| 45 | @(test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \
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| 46 | diff -I'^#include' arch/x86/insn/insn.c ../../arch/x86/lib/insn.c >/dev/null && \
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| 47 | diff -I'^#include' arch/x86/insn/inat.c ../../arch/x86/lib/inat.c >/dev/null && \
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| 48 | diff arch/x86/insn/x86-opcode-map.txt ../../arch/x86/lib/x86-opcode-map.txt >/dev/null && \
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| 49 | diff arch/x86/insn/gen-insn-attr-x86.awk ../../arch/x86/tools/gen-insn-attr-x86.awk >/dev/null && \
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| 50 | diff -I'^#include' arch/x86/insn/insn.h ../../arch/x86/include/asm/insn.h >/dev/null && \
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| 51 | diff -I'^#include' arch/x86/insn/inat.h ../../arch/x86/include/asm/inat.h >/dev/null && \
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| 52 | diff -I'^#include' arch/x86/insn/inat_types.h ../../arch/x86/include/asm/inat_types.h >/dev/null) \
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| 53 | || echo "Warning: objtool: x86 instruction decoder differs from kernel" >&2 )) || true
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| 54 | $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@
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| 55 |
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| 56 |
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| 57 | $(LIBSUBCMD): fixdep FORCE
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| 58 | $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT)
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| 59 |
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| 60 | clean:
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| 61 | $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL)
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| 62 | $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
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| 63 | $(Q)$(RM) $(OUTPUT)arch/x86/insn/inat-tables.c $(OUTPUT)fixdep
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| 64 |
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| 65 | FORCE:
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| 66 |
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| 67 | .PHONY: clean FORCE
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