forked from luck/tmp_suning_uos_patched
kbuild: rename LDFLAGS to KBUILD_LDFLAGS
Commita0f97e06a4("kbuild: enable 'make CFLAGS=...' to add additional options to CC") renamed CFLAGS to KBUILD_CFLAGS. Commit222d394d30("kbuild: enable 'make AFLAGS=...' to add additional options to AS") renamed AFLAGS to KBUILD_AFLAGS. Commit06c5040cdb("kbuild: enable 'make CPPFLAGS=...' to add additional options to CPP") renamed CPPFLAGS to KBUILD_CPPFLAGS. For some reason, LDFLAGS was not renamed. Using a well-known variable like LDFLAGS may result in accidental override of the variable. Kbuild generally uses KBUILD_ prefixed variables for the internally appended options, so here is one more conversion to sanitize the naming convention. I did not touch Makefiles under tools/ since the tools build system is a different world. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Masahiro Yamada
parent
87a32e6240
commit
d503ac531a
6
Makefile
6
Makefile
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@ -440,7 +440,7 @@ KBUILD_CFLAGS_KERNEL :=
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KBUILD_AFLAGS_MODULE := -DMODULE
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KBUILD_CFLAGS_MODULE := -DMODULE
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KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds
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LDFLAGS :=
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KBUILD_LDFLAGS :=
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GCC_PLUGINS_CFLAGS :=
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export ARCH SRCARCH CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC
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@ -448,7 +448,7 @@ export CPP AR NM STRIP OBJCOPY OBJDUMP KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
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export MAKE LEX YACC AWK GENKSYMS INSTALLKERNEL PERL PYTHON PYTHON2 PYTHON3 UTS_MACHINE
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export HOSTCXX KBUILD_HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
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export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS
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export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS
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export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE
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export CFLAGS_KASAN CFLAGS_KASAN_NOSANITIZE CFLAGS_UBSAN
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export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
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@ -1020,7 +1020,7 @@ ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
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# Final link of vmlinux with optional arch pass after final link
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cmd_link-vmlinux = \
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$(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ; \
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$(CONFIG_SHELL) $< $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_vmlinux) ; \
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$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
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vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE
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@ -95,7 +95,7 @@ KBUILD_CFLAGS_MODULE += -mlong-calls -mno-millicode
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# Finally dump eveything into kernel build system
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KBUILD_CFLAGS += $(cflags-y)
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KBUILD_AFLAGS += $(KBUILD_CFLAGS)
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LDFLAGS += $(ldflags-y)
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KBUILD_LDFLAGS += $(ldflags-y)
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head-y := arch/arc/kernel/head.o
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@ -43,12 +43,12 @@ ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
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KBUILD_CPPFLAGS += -mbig-endian
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CHECKFLAGS += -D__ARMEB__
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AS += -EB
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LDFLAGS += -EB
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KBUILD_LDFLAGS += -EB
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else
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KBUILD_CPPFLAGS += -mlittle-endian
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CHECKFLAGS += -D__ARMEL__
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AS += -EL
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LDFLAGS += -EL
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KBUILD_LDFLAGS += -EL
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endif
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#
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@ -62,14 +62,14 @@ CHECKFLAGS += -D__AARCH64EB__
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AS += -EB
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# Prefer the baremetal ELF build target, but not all toolchains include
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# it so fall back to the standard linux version if needed.
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LDFLAGS += -EB $(call ld-option, -maarch64elfb, -maarch64linuxb)
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KBUILD_LDFLAGS += -EB $(call ld-option, -maarch64elfb, -maarch64linuxb)
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UTS_MACHINE := aarch64_be
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else
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KBUILD_CPPFLAGS += -mlittle-endian
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CHECKFLAGS += -D__AARCH64EL__
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AS += -EL
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# Same as above, prefer ELF but fall back to linux target if needed.
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LDFLAGS += -EL $(call ld-option, -maarch64elf, -maarch64linux)
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KBUILD_LDFLAGS += -EL $(call ld-option, -maarch64elf, -maarch64linux)
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UTS_MACHINE := aarch64
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endif
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@ -23,8 +23,7 @@ ifdef CONFIG_CPU_BIG_ENDIAN
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KBUILD_CFLAGS += -mbig-endian
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KBUILD_AFLAGS += -mbig-endian
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LINKFLAGS += -mbig-endian
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KBUILD_LDFLAGS += -mbig-endian
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LDFLAGS += -EB
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KBUILD_LDFLAGS += -mbig-endian -EB
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CHECKFLAGS += -D_BIG_ENDIAN
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endif
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@ -20,7 +20,7 @@ KBUILD_CFLAGS += -mint32 -fno-builtin
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KBUILD_CFLAGS += -D__linux__
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KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
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KBUILD_AFLAGS += $(aflags-y)
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LDFLAGS += $(ldflags-y)
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KBUILD_LDFLAGS += $(ldflags-y)
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ifeq ($(CROSS_COMPILE),)
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CROSS_COMPILE := h8300-unknown-linux-
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@ -22,9 +22,7 @@ ldflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
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KBUILD_CFLAGS += $(cflags-y)
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KBUILD_AFLAGS += $(aflags-y)
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# no KBUILD_LDFLAGS?
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LDFLAGS += $(ldflags-y)
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KBUILD_LDFLAGS += $(ldflags-y)
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# Thread-info register will be r19. This value is not configureable;
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# it is hard-coded in several files.
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@ -69,7 +69,7 @@ KBUILD_CFLAGS += -D__uClinux__
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KBUILD_AFLAGS += -D__uClinux__
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endif
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LDFLAGS := -m m68kelf
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KBUILD_LDFLAGS := -m m68kelf
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KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/m68k/kernel/module.lds
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ifdef CONFIG_SUN3
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@ -40,11 +40,11 @@ CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
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ifdef CONFIG_CPU_BIG_ENDIAN
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KBUILD_CFLAGS += -mbig-endian
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KBUILD_AFLAGS += -mbig-endian
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LDFLAGS += -EB
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KBUILD_LDFLAGS += -EB
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else
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KBUILD_CFLAGS += -mlittle-endian
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KBUILD_AFLAGS += -mlittle-endian
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LDFLAGS += -EL
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KBUILD_LDFLAGS += -EL
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endif
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CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
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@ -309,7 +309,7 @@ endif
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# instead of .eh_frame so we don't discard them.
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KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
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LDFLAGS += -m $(ld-emul)
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KBUILD_LDFLAGS += -m $(ld-emul)
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ifdef CONFIG_MIPS
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CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
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@ -92,7 +92,7 @@ UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS)
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vmlinuzobjs-y += $(obj)/piggy.o
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quiet_cmd_zld = LD $@
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cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
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cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
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quiet_cmd_strip = STRIP $@
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cmd_strip = $(STRIP) -s $@
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vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
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@ -38,7 +38,7 @@ $(obj)/rom.bin: $(obj)/rom
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# Rule to make the bootloader
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$(obj)/rom: $(addprefix $(obj)/,$(OBJECTS))
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$(LD) $(LDFLAGS) $(LDSCRIPT) -o $@ $^
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$(LD) $(KBUILD_LDFLAGS) $(LDSCRIPT) -o $@ $^
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$(obj)/%.o: $(obj)/%.gz
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$(LD) -r -o $@ -b binary $<
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@ -33,12 +33,12 @@ endif
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ifdef CONFIG_CPU_LITTLE_ENDIAN
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KBUILD_CFLAGS += $(call cc-option, -EL)
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KBUILD_AFLAGS += $(call cc-option, -EL)
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LDFLAGS += $(call cc-option, -EL)
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KBUILD_LDFLAGS += $(call cc-option, -EL)
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CHECKFLAGS += -D__NDS32_EL__
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else
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KBUILD_CFLAGS += $(call cc-option, -EB)
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KBUILD_AFLAGS += $(call cc-option, -EB)
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LDFLAGS += $(call cc-option, -EB)
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KBUILD_LDFLAGS += $(call cc-option, -EB)
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CHECKFLAGS += -D__NDS32_EB__
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endif
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@ -76,14 +76,14 @@ endif
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ifdef CONFIG_CPU_LITTLE_ENDIAN
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KBUILD_CFLAGS += -mlittle-endian
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LDFLAGS += -EL
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KBUILD_LDFLAGS += -EL
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LDEMULATION := lppc
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GNUTARGET := powerpcle
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MULTIPLEWORD := -mno-multiple
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KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-save-toc-indirect)
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else
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KBUILD_CFLAGS += $(call cc-option,-mbig-endian)
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LDFLAGS += -EB
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KBUILD_LDFLAGS += -EB
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LDEMULATION := ppc
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GNUTARGET := powerpc
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MULTIPLEWORD := -mmultiple
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@ -108,7 +108,7 @@ aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian
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ifeq ($(HAS_BIARCH),y)
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KBUILD_CFLAGS += -m$(BITS)
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KBUILD_AFLAGS += -m$(BITS) -Wl,-a$(BITS)
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LDFLAGS += -m elf$(BITS)$(LDEMULATION)
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KBUILD_LDFLAGS += -m elf$(BITS)$(LDEMULATION)
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KBUILD_ARFLAGS += --target=elf$(BITS)-$(GNUTARGET)
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endif
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@ -29,7 +29,7 @@ ifeq ($(CONFIG_ARCH_RV64I),y)
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KBUILD_CFLAGS += $(call cc-ifversion, -ge, 0500, -DCONFIG_ARCH_SUPPORTS_INT128)
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KBUILD_MARCH = rv64im
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LDFLAGS += -melf64lriscv
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KBUILD_LDFLAGS += -melf64lriscv
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else
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BITS := 32
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UTS_MACHINE := riscv32
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@ -37,7 +37,7 @@ else
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KBUILD_CFLAGS += -mabi=ilp32
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KBUILD_AFLAGS += -mabi=ilp32
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KBUILD_MARCH = rv32im
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LDFLAGS += -melf32lriscv
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KBUILD_LDFLAGS += -melf32lriscv
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endif
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KBUILD_CFLAGS += -Wall
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@ -11,7 +11,7 @@
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#
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LD_BFD := elf64-s390
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LDFLAGS := -m elf64_s390
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KBUILD_LDFLAGS := -m elf64_s390
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KBUILD_AFLAGS_MODULE += -fPIC
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KBUILD_CFLAGS_MODULE += -fPIC
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KBUILD_AFLAGS += -m64
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@ -122,11 +122,11 @@ endif
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ifdef CONFIG_CPU_LITTLE_ENDIAN
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ld-bfd := elf32-$(UTS_MACHINE)-linux
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LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
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LDFLAGS += -EL
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KBUILD_LDFLAGS += -EL
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else
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ld-bfd := elf32-$(UTS_MACHINE)big-linux
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LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
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LDFLAGS += -EB
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KBUILD_LDFLAGS += -EB
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endif
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export ld-bfd BITS
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@ -21,7 +21,7 @@ ifeq ($(CONFIG_SPARC32),y)
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#
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CHECKFLAGS += -D__sparc__
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LDFLAGS := -m elf32_sparc
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KBUILD_LDFLAGS := -m elf32_sparc
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export BITS := 32
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UTS_MACHINE := sparc
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@ -40,7 +40,7 @@ else
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#
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CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__
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LDFLAGS := -m elf64_sparc
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KBUILD_LDFLAGS := -m elf64_sparc
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export BITS := 64
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UTS_MACHINE := sparc64
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@ -133,7 +133,7 @@ export LDS_ELF_FORMAT := $(ELF_FORMAT)
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# The wrappers will select whether using "malloc" or the kernel allocator.
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LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free -Wl,--wrap,calloc
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LD_FLAGS_CMDLINE = $(foreach opt,$(LDFLAGS),-Wl,$(opt))
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LD_FLAGS_CMDLINE = $(foreach opt,$(KBUILD_LDFLAGS),-Wl,$(opt))
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# Used by link-vmlinux.sh which has special support for um link
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export CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAPS) $(LD_FLAGS_CMDLINE)
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@ -219,7 +219,7 @@ sha256_ni_instr :=$(call as-instr,sha256msg1 %xmm0$(comma)%xmm1,-DCONFIG_AS_SHA2
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KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr) $(avx512_instr) $(sha1_ni_instr) $(sha256_ni_instr)
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KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr) $(avx512_instr) $(sha1_ni_instr) $(sha256_ni_instr)
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LDFLAGS := -m elf_$(UTS_MACHINE)
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KBUILD_LDFLAGS := -m elf_$(UTS_MACHINE)
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#
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# The 64-bit kernel must be aligned to 2MB. Pass -z max-page-size=0x200000 to
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@ -227,7 +227,7 @@ LDFLAGS := -m elf_$(UTS_MACHINE)
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# by the linker.
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#
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ifdef CONFIG_X86_64
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LDFLAGS += $(call ld-option, -z max-page-size=0x200000)
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KBUILD_LDFLAGS += $(call ld-option, -z max-page-size=0x200000)
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endif
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# Speed up the build
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@ -4,7 +4,7 @@ core-y += arch/x86/crypto/
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ifeq ($(CONFIG_X86_32),y)
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START := 0x8048000
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LDFLAGS += -m elf_i386
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KBUILD_LDFLAGS += -m elf_i386
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ELF_ARCH := i386
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ELF_FORMAT := elf32-i386
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CHECKFLAGS += -D__i386__
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@ -43,7 +43,7 @@ KBUILD_CFLAGS += -fno-builtin -m64
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CHECKFLAGS += -m64 -D__x86_64__
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KBUILD_AFLAGS += -m64
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LDFLAGS += -m elf_x86_64
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KBUILD_LDFLAGS += -m elf_x86_64
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KBUILD_CPPFLAGS += -m64
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ELF_ARCH := i386:x86-64
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@ -42,16 +42,16 @@ KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
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GCOV_PROFILE := n
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UBSAN_SANITIZE :=n
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LDFLAGS := -m elf_$(UTS_MACHINE)
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KBUILD_LDFLAGS := -m elf_$(UTS_MACHINE)
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# Compressed kernel should be built as PIE since it may be loaded at any
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# address by the bootloader.
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ifeq ($(CONFIG_X86_32),y)
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LDFLAGS += $(call ld-option, -pie) $(call ld-option, --no-dynamic-linker)
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KBUILD_LDFLAGS += $(call ld-option, -pie) $(call ld-option, --no-dynamic-linker)
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else
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# To build 64-bit compressed kernel as PIE, we disable relocation
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# overflow check to avoid relocation overflow error with a new linker
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# command-line option, -z noreloc-overflow.
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LDFLAGS += $(shell $(LD) --help 2>&1 | grep -q "\-z noreloc-overflow" \
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KBUILD_LDFLAGS += $(shell $(LD) --help 2>&1 | grep -q "\-z noreloc-overflow" \
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&& echo "-z noreloc-overflow -pie --no-dynamic-linker")
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endif
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LDFLAGS_vmlinux := -T
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@ -49,7 +49,7 @@ KBUILD_CFLAGS += $(call cc-option,-mno-serialize-volatile,)
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KBUILD_AFLAGS += -mlongcalls -mtext-section-literals
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ifneq ($(CONFIG_LD_NO_RELAX),)
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LDFLAGS := --no-relax
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KBUILD_LDFLAGS := --no-relax
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endif
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ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1)
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@ -25,7 +25,7 @@ $(obj)/Image.o: vmlinux.bin $(OBJS)
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$(OBJS) $@
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$(obj)/../Image.elf: $(obj)/Image.o $(obj)/boot.lds
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$(Q)$(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \
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$(Q)$(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_vmlinux) \
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-T $(obj)/boot.lds \
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--build-id=none \
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-o $@ $(obj)/Image.o
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@ -163,8 +163,8 @@ cc-ldoption = $(call try-run,\
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$(CC) $(1) $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2))
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# ld-option
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# Usage: LDFLAGS += $(call ld-option, -X, -Y)
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ld-option = $(call try-run, $(LD) $(LDFLAGS) $(1) -v,$(1),$(2),$(3))
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# Usage: KBUILD_LDFLAGS += $(call ld-option, -X, -Y)
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ld-option = $(call try-run, $(LD) $(KBUILD_LDFLAGS) $(1) -v,$(1),$(2),$(3))
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# ar-option
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# Usage: KBUILD_ARFLAGS := $(call ar-option,D)
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@ -190,7 +190,7 @@ cmd_modversions_c = \
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$(call cmd_gensymtypes_c,$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \
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> $(@D)/.tmp_$(@F:.o=.ver); \
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\
|
||||
$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \
|
||||
$(LD) $(KBUILD_LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \
|
||||
-T $(@D)/.tmp_$(@F:.o=.ver); \
|
||||
rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver); \
|
||||
else \
|
||||
|
|
@ -220,7 +220,7 @@ sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH
|
|||
"$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
|
||||
"$(if $(CONFIG_64BIT),64,32)" \
|
||||
"$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \
|
||||
"$(LD) $(LDFLAGS)" "$(NM)" "$(RM)" "$(MV)" \
|
||||
"$(LD) $(KBUILD_LDFLAGS)" "$(NM)" "$(RM)" "$(MV)" \
|
||||
"$(if $(part-of-module),1,0)" "$(@)";
|
||||
recordmcount_source := $(srctree)/scripts/recordmcount.pl
|
||||
endif # BUILD_C_RECORDMCOUNT
|
||||
|
|
@ -394,7 +394,7 @@ cmd_modversions_S = \
|
|||
$(call cmd_gensymtypes_S,$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \
|
||||
> $(@D)/.tmp_$(@F:.o=.ver); \
|
||||
\
|
||||
$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \
|
||||
$(LD) $(KBUILD_LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \
|
||||
-T $(@D)/.tmp_$(@F:.o=.ver); \
|
||||
rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver); \
|
||||
else \
|
||||
|
|
|
|||
|
|
@ -162,7 +162,7 @@ a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \
|
|||
cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \
|
||||
$(__cpp_flags)
|
||||
|
||||
ld_flags = $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F))
|
||||
ld_flags = $(KBUILD_LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F))
|
||||
|
||||
DTC_INCLUDE := $(srctree)/scripts/dtc/include-prefixes
|
||||
|
||||
|
|
|
|||
|
|
@ -120,7 +120,7 @@ ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
|
|||
# Step 6), final link of the modules with optional arch pass after final link
|
||||
quiet_cmd_ld_ko_o = LD [M] $@
|
||||
cmd_ld_ko_o = \
|
||||
$(LD) -r $(LDFLAGS) \
|
||||
$(LD) -r $(KBUILD_LDFLAGS) \
|
||||
$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
|
||||
-o $@ $(filter-out FORCE,$^) ; \
|
||||
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
|
||||
|
|
|
|||
|
|
@ -75,7 +75,7 @@ modpost_link()
|
|||
${KBUILD_VMLINUX_LIBS} \
|
||||
--end-group"
|
||||
|
||||
${LD} ${LDFLAGS} -r -o ${1} ${objects}
|
||||
${LD} ${KBUILD_LDFLAGS} -r -o ${1} ${objects}
|
||||
}
|
||||
|
||||
# Link of vmlinux
|
||||
|
|
@ -95,7 +95,7 @@ vmlinux_link()
|
|||
--end-group \
|
||||
${1}"
|
||||
|
||||
${LD} ${LDFLAGS} ${LDFLAGS_vmlinux} -o ${2} \
|
||||
${LD} ${KBUILD_LDFLAGS} ${LDFLAGS_vmlinux} -o ${2} \
|
||||
-T ${lds} ${objects}
|
||||
else
|
||||
objects="-Wl,--whole-archive \
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user