LXR linux/tools/objtool/Makefile

   1include ../scripts/Makefile.include
   2
   3ifndef ($(ARCH))
   4ARCH ?= $(shell uname -m)
   5ifeq ($(ARCH),x86_64)
   6ARCH := x86
   7endif
   8endif
   9
  10# always use the host compiler
  11CC = gcc
  12LD = ld
  13AR = ar
  14
  15ifeq ($(srctree),)
  16srctree := $(patsubst %/,%,$(dir $(shell pwd)))
  17srctree := $(patsubst %/,%,$(dir $(srctree)))
  18endif
  19
  20SUBCMD_SRCDIR           = $(srctree)/tools/lib/subcmd/
  21LIBSUBCMD_OUTPUT        = $(if $(OUTPUT),$(OUTPUT),$(PWD)/)
  22LIBSUBCMD               = $(LIBSUBCMD_OUTPUT)libsubcmd.a
  23
  24OBJTOOL    := $(OUTPUT)objtool
  25OBJTOOL_IN := $(OBJTOOL)-in.o
  26
  27all: $(OBJTOOL)
  28
  29INCLUDES := -I$(srctree)/tools/include
  30CFLAGS   += -Wall -Werror $(EXTRA_WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES)
  31LDFLAGS  += -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
  54        $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT)
  55
  56clean:
  57        $(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
  64