Linux 4.14-rc6
[linux-2.6-block.git] / tools / objtool / Makefile
CommitLineData
442f04c3 1include ../scripts/Makefile.include
630e7a29 2include ../scripts/Makefile.arch
442f04c3 3
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4ifeq ($(ARCH),x86_64)
5ARCH := x86
6endif
442f04c3 7
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8# always use the host compiler
9CC = gcc
10LD = ld
11AR = ar
12
442f04c3 13ifeq ($(srctree),)
e19b7cee 14srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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15srctree := $(patsubst %/,%,$(dir $(srctree)))
16endif
17
c1d45c3a 18SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/
e19b7cee 19LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/)
c1d45c3a 20LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a
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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
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28WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed
29CFLAGS += -Wall -Werror $(WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES)
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30LDFLAGS += -lelf $(LIBSUBCMD)
31
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32# Allow old libelf to be used:
33elfshdr := $(shell echo '\#include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr)
34CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED)
35
442f04c3 36AWK = awk
60cbdf5d 37export srctree OUTPUT CFLAGS SRCARCH AWK
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38include $(srctree)/tools/build/Makefile.include
39
40$(OBJTOOL_IN): fixdep FORCE
41 @$(MAKE) $(build)=objtool
42
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43# Busybox's diff doesn't have -I, avoid warning in that case
44#
442f04c3 45$(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
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46 @(diff -I 2>&1 | grep -q 'option requires an argument' && \
47 test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \
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48 diff -I'^#include' arch/x86/insn/insn.c ../../arch/x86/lib/insn.c >/dev/null && \
49 diff -I'^#include' arch/x86/insn/inat.c ../../arch/x86/lib/inat.c >/dev/null && \
50 diff arch/x86/insn/x86-opcode-map.txt ../../arch/x86/lib/x86-opcode-map.txt >/dev/null && \
51 diff arch/x86/insn/gen-insn-attr-x86.awk ../../arch/x86/tools/gen-insn-attr-x86.awk >/dev/null && \
52 diff -I'^#include' arch/x86/insn/insn.h ../../arch/x86/include/asm/insn.h >/dev/null && \
53 diff -I'^#include' arch/x86/insn/inat.h ../../arch/x86/include/asm/inat.h >/dev/null && \
54 diff -I'^#include' arch/x86/insn/inat_types.h ../../arch/x86/include/asm/inat_types.h >/dev/null) \
2af04ea5 55 || echo "warning: objtool: x86 instruction decoder differs from kernel" >&2 )) || true
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56 @(test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \
57 diff ../../arch/x86/include/asm/orc_types.h orc_types.h >/dev/null) \
58 || echo "warning: objtool: orc_types.h differs from kernel" >&2 )) || true
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59 $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@
60
61
62$(LIBSUBCMD): fixdep FORCE
c1d45c3a 63 $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT)
442f04c3 64
c1d45c3a 65clean:
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66 $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL)
67 $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
68 $(Q)$(RM) $(OUTPUT)arch/x86/insn/inat-tables.c $(OUTPUT)fixdep
69
70FORCE:
71
72.PHONY: clean FORCE