Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-block.git] / tools / objtool / Makefile
CommitLineData
442f04c3 1include ../scripts/Makefile.include
630e7a29 2include ../scripts/Makefile.arch
442f04c3 3
442f04c3
JP
4ifeq ($(ARCH),x86_64)
5ARCH := x86
6endif
442f04c3 7
c1d45c3a
JP
8# always use the host compiler
9CC = gcc
10LD = ld
11AR = ar
12
442f04c3
JP
13ifeq ($(srctree),)
14srctree := $(patsubst %/,%,$(dir $(shell pwd)))
15srctree := $(patsubst %/,%,$(dir $(srctree)))
16endif
17
c1d45c3a
JP
18SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/
19LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(PWD)/)
20LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a
442f04c3
JP
21
22OBJTOOL := $(OUTPUT)objtool
23OBJTOOL_IN := $(OBJTOOL)-in.o
24
25all: $(OBJTOOL)
26
0cf6eb60 27INCLUDES := -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi
d435fb5e 28CFLAGS += -Wall -Werror $(EXTRA_WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES)
442f04c3
JP
29LDFLAGS += -lelf $(LIBSUBCMD)
30
2e51f262
JB
31# Allow old libelf to be used:
32elfshdr := $(shell echo '\#include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr)
33CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED)
34
442f04c3 35AWK = awk
60cbdf5d 36export srctree OUTPUT CFLAGS SRCARCH AWK
442f04c3
JP
37include $(srctree)/tools/build/Makefile.include
38
39$(OBJTOOL_IN): fixdep FORCE
40 @$(MAKE) $(build)=objtool
41
1a4bf285
ACM
42# Busybox's diff doesn't have -I, avoid warning in that case
43#
442f04c3 44$(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
1a4bf285
ACM
45 @(diff -I 2>&1 | grep -q 'option requires an argument' && \
46 test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \
442f04c3
JP
47 diff -I'^#include' arch/x86/insn/insn.c ../../arch/x86/lib/insn.c >/dev/null && \
48 diff -I'^#include' arch/x86/insn/inat.c ../../arch/x86/lib/inat.c >/dev/null && \
49 diff arch/x86/insn/x86-opcode-map.txt ../../arch/x86/lib/x86-opcode-map.txt >/dev/null && \
50 diff arch/x86/insn/gen-insn-attr-x86.awk ../../arch/x86/tools/gen-insn-attr-x86.awk >/dev/null && \
51 diff -I'^#include' arch/x86/insn/insn.h ../../arch/x86/include/asm/insn.h >/dev/null && \
52 diff -I'^#include' arch/x86/insn/inat.h ../../arch/x86/include/asm/inat.h >/dev/null && \
53 diff -I'^#include' arch/x86/insn/inat_types.h ../../arch/x86/include/asm/inat_types.h >/dev/null) \
2af04ea5 54 || echo "warning: objtool: x86 instruction decoder differs from kernel" >&2 )) || true
442f04c3
JP
55 $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@
56
57
58$(LIBSUBCMD): fixdep FORCE
c1d45c3a 59 $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT)
442f04c3 60
c1d45c3a 61clean:
442f04c3
JP
62 $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL)
63 $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
64 $(Q)$(RM) $(OUTPUT)arch/x86/insn/inat-tables.c $(OUTPUT)fixdep
65
66FORCE:
67
68.PHONY: clean FORCE