Makefile 2.0 KB

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