blob: 6765c7e949f35ca3833265a33719f8c6e5baee94 [file] [log] [blame]
Josh Poimboeuf442f04c2016-02-28 22:22:41 -06001include ../scripts/Makefile.include
2
3ifndef ($(ARCH))
4ARCH ?= $(shell uname -m)
5ifeq ($(ARCH),x86_64)
6ARCH := x86
7endif
8endif
9
Josh Poimboeufc1d45c32016-03-02 18:39:37 -060010# always use the host compiler
11CC = gcc
12LD = ld
13AR = ar
14
Josh Poimboeuf442f04c2016-02-28 22:22:41 -060015ifeq ($(srctree),)
16srctree := $(patsubst %/,%,$(dir $(shell pwd)))
17srctree := $(patsubst %/,%,$(dir $(srctree)))
18endif
19
Josh Poimboeufc1d45c32016-03-02 18:39:37 -060020SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/
21LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(PWD)/)
22LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a
Josh Poimboeuf442f04c2016-02-28 22:22:41 -060023
24OBJTOOL := $(OUTPUT)objtool
25OBJTOOL_IN := $(OBJTOOL)-in.o
26
27all: $(OBJTOOL)
28
29INCLUDES := -I$(srctree)/tools/include
Josh Poimboeufd435fb52016-03-09 00:06:53 -060030CFLAGS += -Wall -Werror $(EXTRA_WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES)
Josh Poimboeuf442f04c2016-02-28 22:22:41 -060031LDFLAGS += -lelf $(LIBSUBCMD)
32
33AWK = awk
34export srctree OUTPUT CFLAGS ARCH AWK
35include $(srctree)/tools/build/Makefile.include
36
37$(OBJTOOL_IN): fixdep FORCE
38 @$(MAKE) $(build)=objtool
39
40$(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
41 @(test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \
42 diff -I'^#include' arch/x86/insn/insn.c ../../arch/x86/lib/insn.c >/dev/null && \
43 diff -I'^#include' arch/x86/insn/inat.c ../../arch/x86/lib/inat.c >/dev/null && \
44 diff arch/x86/insn/x86-opcode-map.txt ../../arch/x86/lib/x86-opcode-map.txt >/dev/null && \
45 diff arch/x86/insn/gen-insn-attr-x86.awk ../../arch/x86/tools/gen-insn-attr-x86.awk >/dev/null && \
46 diff -I'^#include' arch/x86/insn/insn.h ../../arch/x86/include/asm/insn.h >/dev/null && \
47 diff -I'^#include' arch/x86/insn/inat.h ../../arch/x86/include/asm/inat.h >/dev/null && \
48 diff -I'^#include' arch/x86/insn/inat_types.h ../../arch/x86/include/asm/inat_types.h >/dev/null) \
49 || echo "Warning: objtool: x86 instruction decoder differs from kernel" >&2 )) || true
50 $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@
51
52
53$(LIBSUBCMD): fixdep FORCE
Josh Poimboeufc1d45c32016-03-02 18:39:37 -060054 $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT)
Josh Poimboeuf442f04c2016-02-28 22:22:41 -060055
Josh Poimboeufc1d45c32016-03-02 18:39:37 -060056clean:
Josh Poimboeuf442f04c2016-02-28 22:22:41 -060057 $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL)
58 $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
59 $(Q)$(RM) $(OUTPUT)arch/x86/insn/inat-tables.c $(OUTPUT)fixdep
60
61FORCE:
62
63.PHONY: clean FORCE