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