1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 2442f04c3SJosh Poimboeufinclude ../scripts/Makefile.include 3630e7a29SArnaldo Carvalho de Meloinclude ../scripts/Makefile.arch 4442f04c3SJosh Poimboeuf 5442f04c3SJosh Poimboeufifeq ($(ARCH),x86_64) 6442f04c3SJosh PoimboeufARCH := x86 7442f04c3SJosh Poimboeufendif 8442f04c3SJosh Poimboeuf 9c1d45c3aSJosh Poimboeuf# always use the host compiler 10c1d45c3aSJosh PoimboeufCC = gcc 11c1d45c3aSJosh PoimboeufLD = ld 12c1d45c3aSJosh PoimboeufAR = ar 13c1d45c3aSJosh Poimboeuf 14442f04c3SJosh Poimboeufifeq ($(srctree),) 15e19b7ceeSUwe Kleine-Königsrctree := $(patsubst %/,%,$(dir $(CURDIR))) 16442f04c3SJosh Poimboeufsrctree := $(patsubst %/,%,$(dir $(srctree))) 17442f04c3SJosh Poimboeufendif 18442f04c3SJosh Poimboeuf 19442f04c3SJosh PoimboeufSUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/ 20e19b7ceeSUwe Kleine-KönigLIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/) 21c1d45c3aSJosh PoimboeufLIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a 22442f04c3SJosh Poimboeuf 23442f04c3SJosh PoimboeufOBJTOOL := $(OUTPUT)objtool 24442f04c3SJosh PoimboeufOBJTOOL_IN := $(OBJTOOL)-in.o 25442f04c3SJosh Poimboeuf 26442f04c3SJosh Poimboeufall: $(OBJTOOL) 27442f04c3SJosh Poimboeuf 28*6a77cff8SJosh PoimboeufINCLUDES := -I$(srctree)/tools/include \ 29*6a77cff8SJosh Poimboeuf -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ 30*6a77cff8SJosh Poimboeuf -I$(srctree)/tools/objtool/arch/$(HOSTARCH)/include 3121ec3bf6SJosh PoimboeufWARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed 3221ec3bf6SJosh PoimboeufCFLAGS += -Wall -Werror $(WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES) 33442f04c3SJosh PoimboeufLDFLAGS += -lelf $(LIBSUBCMD) 34442f04c3SJosh Poimboeuf 352e51f262SJan Beulich# Allow old libelf to be used: 362e51f262SJan Beulichelfshdr := $(shell echo '\#include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) 372e51f262SJan BeulichCFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED) 382e51f262SJan Beulich 39442f04c3SJosh PoimboeufAWK = awk 4060cbdf5dSJosh Poimboeufexport srctree OUTPUT CFLAGS SRCARCH AWK 41442f04c3SJosh Poimboeufinclude $(srctree)/tools/build/Makefile.include 42442f04c3SJosh Poimboeuf 43442f04c3SJosh Poimboeuf$(OBJTOOL_IN): fixdep FORCE 44442f04c3SJosh Poimboeuf @$(MAKE) $(build)=objtool 45442f04c3SJosh Poimboeuf 461a4bf285SArnaldo Carvalho de Melo# Busybox's diff doesn't have -I, avoid warning in that case 471a4bf285SArnaldo Carvalho de Melo# 48442f04c3SJosh Poimboeuf$(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN) 491a4bf285SArnaldo Carvalho de Melo @(diff -I 2>&1 | grep -q 'option requires an argument' && \ 501a4bf285SArnaldo Carvalho de Melo test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \ 51*6a77cff8SJosh Poimboeuf diff arch/x86/lib/insn.c ../../arch/x86/lib/insn.c >/dev/null && \ 52*6a77cff8SJosh Poimboeuf diff arch/x86/lib/inat.c ../../arch/x86/lib/inat.c >/dev/null && \ 53*6a77cff8SJosh Poimboeuf diff arch/x86/lib/x86-opcode-map.txt ../../arch/x86/lib/x86-opcode-map.txt >/dev/null && \ 54*6a77cff8SJosh Poimboeuf diff arch/x86/tools/gen-insn-attr-x86.awk ../../arch/x86/tools/gen-insn-attr-x86.awk >/dev/null && \ 55*6a77cff8SJosh Poimboeuf diff arch/x86/include/asm/insn.h ../../arch/x86/include/asm/insn.h >/dev/null && \ 56*6a77cff8SJosh Poimboeuf diff arch/x86/include/asm/inat.h ../../arch/x86/include/asm/inat.h >/dev/null && \ 57*6a77cff8SJosh Poimboeuf diff arch/x86/include/asm/inat_types.h ../../arch/x86/include/asm/inat_types.h >/dev/null) \ 582af04ea5SJosh Poimboeuf || echo "warning: objtool: x86 instruction decoder differs from kernel" >&2 )) || true 5939358a03SJosh Poimboeuf @(test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \ 60*6a77cff8SJosh Poimboeuf diff ../../arch/x86/include/asm/orc_types.h arch/x86/include/asm/orc_types.h >/dev/null) \ 6139358a03SJosh Poimboeuf || echo "warning: objtool: orc_types.h differs from kernel" >&2 )) || true 62442f04c3SJosh Poimboeuf $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@ 63442f04c3SJosh Poimboeuf 64442f04c3SJosh Poimboeuf 65442f04c3SJosh Poimboeuf$(LIBSUBCMD): fixdep FORCE 66c1d45c3aSJosh Poimboeuf $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT) 67442f04c3SJosh Poimboeuf 68c1d45c3aSJosh Poimboeufclean: 69442f04c3SJosh Poimboeuf $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL) 70442f04c3SJosh Poimboeuf $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete 71*6a77cff8SJosh Poimboeuf $(Q)$(RM) $(OUTPUT)arch/x86/lib/inat-tables.c $(OUTPUT)fixdep 72442f04c3SJosh Poimboeuf 73442f04c3SJosh PoimboeufFORCE: 74442f04c3SJosh Poimboeuf 75442f04c3SJosh Poimboeuf.PHONY: clean FORCE 76