d4d78e9c61
This includes the following fixes: * fix build of arch/arm64/kernel/vdso Change-Id: I73b05034d29f7f8731ac17f9736edbba4fb2c639
138 lines
5.1 KiB
Makefile
138 lines
5.1 KiB
Makefile
# Makefile.in COPYRIGHT FUJITSU LIMITED 2016-2018
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# @ref.impl arch/arm64/kernel/vdso/Makefile
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# Building a vDSO image for AArch64.
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RMDIR=rmdir
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HOST_DIR=@KDIR@
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HOST_CONFIG=$(HOST_DIR)/.config
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HOST_KERNEL_CONFIG_ARM64_4K_PAGES=$(shell grep -E "^CONFIG_ARM64_4K_PAGES=y" $(HOST_CONFIG) | sed 's|CONFIG_ARM64_4K_PAGES=||g')
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HOST_KERNEL_CONFIG_ARM64_16K_PAGES=$(shell grep -E "^CONFIG_ARM64_16K_PAGES=y" $(HOST_CONFIG) | sed 's|CONFIG_ARM64_16K_PAGES=||g')
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HOST_KERNEL_CONFIG_ARM64_64K_PAGES=$(shell grep -E "^CONFIG_ARM64_64K_PAGES=y" $(HOST_CONFIG) | sed 's|CONFIG_ARM64_64K_PAGES=||g')
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VDSOSRC = @abs_srcdir@
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VDSOBUILD = @abs_builddir@
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ECHO_SUFFIX = [VDSO]
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VDSOOBJS := gettimeofday.o
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DESTOBJS = $(addprefix $(VDSOBUILD)/, $(VDSOOBJS))
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VDSOASMOBJS := note.o sigreturn.o
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DESTASMOBJS = $(addprefix $(VDSOBUILD)/, $(VDSOASMOBJS))
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$(if $(VDSOSRC),,$(error IHK output directory is not specified))
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$(if $(TARGET),,$(error Target is not specified))
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#CFLAGS := -nostdinc -mlittle-endian -Wall -mabi=lp64 -Wa,-gdwarf-2
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CFLAGS += -nostdinc -mlittle-endian -Wall -Wa,-gdwarf-2
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CFLAGS += -I$(SRC)/include -I$(SRC)/../lib/include -I$(VDSOSRC)/../include
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CFLAGS += -I$(IHKBASE)/$(TARGETDIR)/include -Wno-unused-function -I$(IHKBASE)/../ikc/include -I$(IHKBASE)/../linux/include
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CFLAGS += -DIHK_OS_MANYCORE -D__KERNEL__
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CFLAGS += $(foreach i, $(shell seq 6 120), $(addprefix -DPOSTK_DEBUG_ARCH_DEP_, $(i)))
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CFLAGS += $(foreach i, $(shell seq 6 110), $(addprefix -DPOSTK_DEBUG_TEMP_FIX_, $(i)))
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LDFLAGS := -nostdinc -mlittle-endian -Wall -Wundef -Wstrict-prototypes
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LDFLAGS += -Wno-trigraphs -fno-strict-aliasing -fno-common
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LDFLAGS += -Werror-implicit-function-declaration -Wno-format-security
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#LDFLAGS += -std=gnu89 -mgeneral-regs-only -mabi=lp64 -O2
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LDFLAGS += -std=gnu89 -mgeneral-regs-only -O2
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LDFLAGS += -Wframe-larger-than=2048 -fno-stack-protector
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LDFLAGS += -fno-delete-null-pointer-checks -Wno-unused-but-set-variable
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LDFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
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LDFLAGS += -fno-var-tracking-assignments -g -Wdeclaration-after-statement
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LDFLAGS += -Wno-pointer-sign -fno-strict-overflow -fconserve-stack
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LDFLAGS += -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time
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LDFLAGS += -shared -fno-common -fno-builtin -nostdlib
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LDFLAGS += -Wl,-soname=linux-vdso.so.1 -Wl,--hash-style=sysv -Wl,-n -Wl,-T
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LDFLAGS += --param=allow-store-data-races=0 -DCC_HAVE_ASM_GOTO
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LDFLAGS += -D"KBUILD_STR(s)=\#s" -D"KBUILD_BASENAME=KBUILD_STR(vdso.so)"
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LDFLAGS += -D"KBUILD_MODNAME=KBUILD_STR(vdso.so)" -D__KERNEL__
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DEPSRCS = $(wildcard $(VDSOSRC)/*.c $(VDSOSRC)/*.S)
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CFLAGS_lds := -E -P -C -U$(ARCH)
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CFLAGS_lds += -nostdinc
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CFLAGS_lds += -mlittle-endian
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CFLAGS_lds += -D__KERNEL__
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CFLAGS_lds += -D__ASSEMBLY__
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CFLAGS_lds += -DLINKER_SCRIPT
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CFLAGS_lds += -DVDSO_LBASE=0
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ifeq ($(HOST_KERNEL_CONFIG_ARM64_4K_PAGES), y)
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CFLAGS_lds += -DPAGE_SIZE=0x1000
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endif
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ifeq ($(HOST_KERNEL_CONFIG_ARM64_16K_PAGES), y)
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CFLAGS_lds += -DPAGE_SIZE=0x4000
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endif
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ifeq ($(HOST_KERNEL_CONFIG_ARM64_64K_PAGES), y)
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CFLAGS_lds += -DPAGE_SIZE=0x10000
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endif
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#load mckernel config (append CPPFLAGS)
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#include @abs_top_builddir@/../ihk/cokernel/Makefile.common
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include @abs_top_builddir@/../ihk/cokernel/$(TARGETDIR)/Makefile.predefines
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default: all
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.PHONY: all clean depend prepare
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all: depend $(VDSOBUILD)/vdso.so $(VDSOBUILD)/../include/vdso-offsets.h $(VDSOBUILD)/../include/vdso-so-path.h
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# Strip rule for the .so file
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$(VDSOBUILD)/vdso.so: OBJCOPYFLAGS := -S
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$(VDSOBUILD)/vdso.so: $(VDSOBUILD)/vdso.so.dbg
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$(objcopy_cmd)
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# Generate VDSO offsets using helper script
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$(VDSOBUILD)/../include/vdso-offsets.h: $(VDSOBUILD)/vdso.so.dbg
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$(call echo_cmd,VDSOSYM,$<)
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@mkdir -p $(VDSOBUILD)/../include
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@nm $< | sh $(VDSOSRC)/gen_vdso_offsets.sh | LC_ALL=C sort > $@
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$(VDSOBUILD)/../include/vdso-so-path.h:
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@echo "#define VDSO_SO_PATH \"@abs_builddir@/vdso.so\"" > $@
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# Link rule for the .so file, .lds has to be first
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$(VDSOBUILD)/vdso.so.dbg: $(VDSOBUILD)/vdso.lds $(DESTOBJS) $(DESTASMOBJS)
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$(ld_cmd)
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$(VDSOBUILD)/vdso.lds: $(VDSOSRC)/vdso.lds.S
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$(lds_cmd)
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clean:
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$(rm_cmd) -f $(DESTOBJS) $(DESTASMOBJS) $(VDSOBUILD)/Makefile.dep $(VDSOBUILD)/vdso.lds
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$(rm_cmd) -f $(VDSOBUILD)/vdso.so* $(VDSOBUILD)/../include/vdso-offsets.h $(VDSOBUILD)/../include/vdso-so-path.h
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$(rmdir_cmd) --ignore-fail-on-non-empty $(VDSOBUILD)/../include
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depend: $(VDSOBUILD)/Makefile.dep
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$(VDSOBUILD)/Makefile.dep:
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$(call dep_cmd,$(DEPSRCS))
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prepare:
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@$(RM) $(VDSOBUILD)/Makefile.dep
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-include $(VDSOBUILD)/Makefile.dep
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# Actual build commands
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ifeq ($(V),1)
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echo_cmd =
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submake = make
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else
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echo_cmd = @echo ' ($(TARGET))' $1 $(ECHO_SUFFIX) $2;
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submake = make --no-print-directory
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endif
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cc_cmd = $(call echo_cmd,CC,$<)$(CC) $(CFLAGS) -c -o $@
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ld_cmd = $(call echo_cmd,LD,$@)$(CC) $(LDFLAGS) $^ -o $@
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dep_cmd = $(call echo_cmd,DEPEND,)$(CC) $(CFLAGS) -MM $1 > $@
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rm_cmd = $(call echo_cmd,CLEAN,)$(RM)
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rmdir_cmd = $(call echo_cmd,CLEAN,)$(RMDIR)
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objcopy_cmd = $(call echo_cmd,OBJCOPY,$<)$(OBJCOPY) $(OBJCOPYFLAGS) $< $@
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lds_cmd = $(call echo_cmd,LDS,$<)$(CC) $(CFLAGS_lds) -c -o $@ $<
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$(DESTOBJS):
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$(cc_cmd) $(addprefix $(VDSOSRC)/, $(notdir $(@:.o=.c)))
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$(DESTASMOBJS):
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$(cc_cmd) $(addprefix $(VDSOSRC)/, $(notdir $(@:.o=.S))) -D__ASSEMBLY__
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