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- include ../scripts/Makefile.include
- ifndef ($(ARCH))
- ARCH ?= $(shell uname -m)
- ifeq ($(ARCH),x86_64)
- ARCH := x86
- endif
- endif
- # always use the host compiler
- CC = gcc
- LD = ld
- AR = ar
- ifeq ($(srctree),)
- srctree := $(patsubst %/,%,$(dir $(shell pwd)))
- srctree := $(patsubst %/,%,$(dir $(srctree)))
- endif
- SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/
- LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(PWD)/)
- LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a
- OBJTOOL := $(OUTPUT)objtool
- OBJTOOL_IN := $(OBJTOOL)-in.o
- all: $(OBJTOOL)
- INCLUDES := -I$(srctree)/tools/include
- CFLAGS += -Wall -Werror $(EXTRA_WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES)
- LDFLAGS += -lelf $(LIBSUBCMD)
- AWK = awk
- export srctree OUTPUT CFLAGS ARCH AWK
- include $(srctree)/tools/build/Makefile.include
- $(OBJTOOL_IN): fixdep FORCE
- @$(MAKE) $(build)=objtool
- $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
- @(test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \
- diff -I'^#include' arch/x86/insn/insn.c ../../arch/x86/lib/insn.c >/dev/null && \
- diff -I'^#include' arch/x86/insn/inat.c ../../arch/x86/lib/inat.c >/dev/null && \
- diff arch/x86/insn/x86-opcode-map.txt ../../arch/x86/lib/x86-opcode-map.txt >/dev/null && \
- diff arch/x86/insn/gen-insn-attr-x86.awk ../../arch/x86/tools/gen-insn-attr-x86.awk >/dev/null && \
- diff -I'^#include' arch/x86/insn/insn.h ../../arch/x86/include/asm/insn.h >/dev/null && \
- diff -I'^#include' arch/x86/insn/inat.h ../../arch/x86/include/asm/inat.h >/dev/null && \
- diff -I'^#include' arch/x86/insn/inat_types.h ../../arch/x86/include/asm/inat_types.h >/dev/null) \
- || echo "Warning: objtool: x86 instruction decoder differs from kernel" >&2 )) || true
- $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@
- $(LIBSUBCMD): fixdep FORCE
- $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT)
- clean:
- $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL)
- $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
- $(Q)$(RM) $(OUTPUT)arch/x86/insn/inat-tables.c $(OUTPUT)fixdep
- FORCE:
- .PHONY: clean FORCE
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