diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-10 01:05:50 +0100 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-10 01:05:50 +0100 |
commit | 89a47dd1af8fdda667938ec190d9595d55d7ec6f (patch) | |
tree | 9d52cfbcfc49ee7b45ce530e7b9754a6380c0832 | |
parent | Merge tag 'zonefs-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/d... (diff) | |
parent | kbuild: make multiple directory targets work (diff) | |
download | linux-89a47dd1af8fdda667938ec190d9595d55d7ec6f.tar.xz linux-89a47dd1af8fdda667938ec190d9595d55d7ec6f.zip |
Merge tag 'kbuild-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- fix randconfig to generate a sane .config
- rename hostprogs-y / always to hostprogs / always-y, which are more
natual syntax.
- optimize scripts/kallsyms
- fix yes2modconfig and mod2yesconfig
- make multiple directory targets ('make foo/ bar/') work
* tag 'kbuild-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: make multiple directory targets work
kconfig: Invalidate all symbols after changing to y or m.
kallsyms: fix type of kallsyms_token_table[]
scripts/kallsyms: change table to store (strcut sym_entry *)
scripts/kallsyms: rename local variables in read_symbol()
kbuild: rename hostprogs-y/always to hostprogs/always-y
kbuild: fix the document to use extra-y for vmlinux.lds
kconfig: fix broken dependency in randconfig-generated .config
53 files changed, 252 insertions, 261 deletions
diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst index d7e6534a8505..0e0eb2c8da7d 100644 --- a/Documentation/kbuild/makefiles.rst +++ b/Documentation/kbuild/makefiles.rst @@ -28,7 +28,6 @@ This document describes the Linux kernel Makefiles. --- 4.3 Using C++ for host programs --- 4.4 Controlling compiler options for host programs --- 4.5 When host programs are actually built - --- 4.6 Using hostprogs-$(CONFIG_FOO) === 5 Kbuild clean infrastructure @@ -595,11 +594,11 @@ compilation stage. Two steps are required in order to use a host executable. The first step is to tell kbuild that a host program exists. This is -done utilising the variable hostprogs-y. +done utilising the variable "hostprogs". The second step is to add an explicit dependency to the executable. This can be done in two ways. Either add the dependency in a rule, -or utilise the variable $(always). +or utilise the variable "always-y". Both possibilities are described in the following. 4.1 Simple Host Program @@ -612,7 +611,7 @@ Both possibilities are described in the following. Example:: - hostprogs-y := bin2hex + hostprogs := bin2hex Kbuild assumes in the above example that bin2hex is made from a single c-source file named bin2hex.c located in the same directory as @@ -630,7 +629,7 @@ Both possibilities are described in the following. Example:: #scripts/lxdialog/Makefile - hostprogs-y := lxdialog + hostprogs := lxdialog lxdialog-objs := checklist.o lxdialog.o Objects with extension .o are compiled from the corresponding .c @@ -650,7 +649,7 @@ Both possibilities are described in the following. Example:: #scripts/kconfig/Makefile - hostprogs-y := qconf + hostprogs := qconf qconf-cxxobjs := qconf.o In the example above the executable is composed of the C++ file @@ -662,7 +661,7 @@ Both possibilities are described in the following. Example:: #scripts/kconfig/Makefile - hostprogs-y := qconf + hostprogs := qconf qconf-cxxobjs := qconf.o qconf-objs := check.o @@ -710,7 +709,7 @@ Both possibilities are described in the following. Example:: #drivers/pci/Makefile - hostprogs-y := gen-devlist + hostprogs := gen-devlist $(obj)/devlist.h: $(src)/pci.ids $(obj)/gen-devlist ( cd $(obj); ./gen-devlist ) < $< @@ -718,47 +717,31 @@ Both possibilities are described in the following. $(obj)/gen-devlist is updated. Note that references to the host programs in special rules must be prefixed with $(obj). - (2) Use $(always) + (2) Use always-y When there is no suitable special rule, and the host program - shall be built when a makefile is entered, the $(always) + shall be built when a makefile is entered, the always-y variable shall be used. Example:: #scripts/lxdialog/Makefile - hostprogs-y := lxdialog - always := $(hostprogs-y) + hostprogs := lxdialog + always-y := $(hostprogs) This will tell kbuild to build lxdialog even if not referenced in any rule. -4.6 Using hostprogs-$(CONFIG_FOO) ---------------------------------- - - A typical pattern in a Kbuild file looks like this: - - Example:: - - #scripts/Makefile - hostprogs-$(CONFIG_KALLSYMS) += kallsyms - - Kbuild knows about both 'y' for built-in and 'm' for module. - So if a config symbol evaluates to 'm', kbuild will still build - the binary. In other words, Kbuild handles hostprogs-m exactly - like hostprogs-y. But only hostprogs-y is recommended to be used - when no CONFIG symbols are involved. - 5 Kbuild clean infrastructure ============================= "make clean" deletes most generated files in the obj tree where the kernel is compiled. This includes generated files such as host programs. -Kbuild knows targets listed in $(hostprogs-y), $(hostprogs-m), $(always), -$(extra-y) and $(targets). They are all deleted during "make clean". -Files matching the patterns "*.[oas]", "*.ko", plus some additional files -generated by kbuild are deleted all over the kernel src tree when -"make clean" is executed. +Kbuild knows targets listed in $(hostprogs), $(always-y), $(always-m), +$(always-), $(extra-y), $(extra-) and $(targets). They are all deleted +during "make clean". Files matching the patterns "*.[oas]", "*.ko", plus +some additional files generated by kbuild are deleted all over the kernel +source tree when "make clean" is executed. Additional files or directories can be specified in kbuild makefiles by use of $(clean-files). @@ -1269,12 +1252,12 @@ When kbuild executes, the following steps are followed (roughly): Example:: #arch/x86/kernel/Makefile - always := vmlinux.lds + extra-y := vmlinux.lds #Makefile export CPPFLAGS_vmlinux.lds += -P -C -U$(ARCH) - The assignment to $(always) is used to tell kbuild to build the + The assignment to extra-y is used to tell kbuild to build the target vmlinux.lds. The assignment to $(CPPFLAGS_vmlinux.lds) tells kbuild to use the specified options when building the target vmlinux.lds. @@ -7,7 +7,7 @@ bounds-file := include/generated/bounds.h -always := $(bounds-file) +always-y := $(bounds-file) targets := kernel/bounds.s $(bounds-file): kernel/bounds.s FORCE @@ -28,7 +28,7 @@ $(timeconst-file): kernel/time/timeconst.bc FORCE offsets-file := include/generated/asm-offsets.h -always += $(offsets-file) +always-y += $(offsets-file) targets += arch/$(SRCARCH)/kernel/asm-offsets.s arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file) @@ -39,7 +39,7 @@ $(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE ##### # Check for missing system calls -always += missing-syscalls +always-y += missing-syscalls quiet_cmd_syscalls = CALL $< cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags) @@ -50,7 +50,7 @@ missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE ##### # Check atomic headers are up-to-date -always += old-atomics +always-y += old-atomics quiet_cmd_atomics = CALL $< cmd_atomics = $(CONFIG_SHELL) $< @@ -1679,7 +1679,7 @@ PHONY += descend $(build-dirs) descend: $(build-dirs) $(build-dirs): prepare $(Q)$(MAKE) $(build)=$@ \ - single-build=$(if $(filter-out $@/, $(single-no-ko)),1) \ + single-build=$(if $(filter-out $@/, $(filter $@/%, $(single-no-ko))),1) \ need-builtin=1 need-modorder=1 clean-dirs := $(addprefix _clean_, $(clean-dirs)) diff --git a/arch/alpha/boot/Makefile b/arch/alpha/boot/Makefile index 991e023a6fc4..d8dba85e606c 100644 --- a/arch/alpha/boot/Makefile +++ b/arch/alpha/boot/Makefile @@ -8,7 +8,7 @@ # Copyright (C) 1994 by Linus Torvalds # -hostprogs-y := tools/mkbb tools/objstrip +hostprogs := tools/mkbb tools/objstrip targets := vmlinux.gz vmlinux \ vmlinux.nh tools/lxboot tools/bootlx tools/bootph \ tools/bootpzh bootloader bootpheader bootpzheader diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile index 1babb392e70a..d3c9f03e7e79 100644 --- a/arch/arm/vdso/Makefile +++ b/arch/arm/vdso/Makefile @@ -5,7 +5,7 @@ ARCH_REL_TYPE_ABS := R_ARM_JUMP_SLOT|R_ARM_GLOB_DAT|R_ARM_ABS32 include $(srctree)/lib/vdso/Makefile -hostprogs-y := vdsomunge +hostprogs := vdsomunge obj-vdso := vgettimeofday.o datapage.o note.o diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile index 76b327f88fbb..04df57b43cb1 100644 --- a/arch/arm64/kernel/vdso32/Makefile +++ b/arch/arm64/kernel/vdso32/Makefile @@ -115,9 +115,9 @@ VDSO_LDFLAGS += $(call cc32-ldoption,-fuse-ld=bfd) # Borrow vdsomunge.c from the arm vDSO # We have to use a relative path because scripts/Makefile.host prefixes -# $(hostprogs-y) with $(obj) +# $(hostprogs) with $(obj) munge := ../../../arm/vdso/vdsomunge -hostprogs-y := $(munge) +hostprogs := $(munge) c-obj-vdso := note.o c-obj-vdso-gettimeofday := vgettimeofday.o diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile index 4ed45ade32a1..a3da2c5d63c2 100644 --- a/arch/mips/boot/Makefile +++ b/arch/mips/boot/Makefile @@ -21,7 +21,7 @@ endif drop-sections := .reginfo .mdebug .comment .note .pdr .options .MIPS.options strip-flags := $(addprefix --remove-section=,$(drop-sections)) -hostprogs-y := elf2ecoff +hostprogs := elf2ecoff suffix-y := bin suffix-$(CONFIG_KERNEL_BZIP2) := bz2 diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index d859f079b771..0df0ee8a298d 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -84,7 +84,7 @@ $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE) # Calculate the load address of the compressed kernel image -hostprogs-y := calc_vmlinuz_load_addr +hostprogs := calc_vmlinuz_load_addr ifneq ($(zload-y),) VMLINUZ_LOAD_ADDRESS := $(zload-y) @@ -112,7 +112,7 @@ ifdef CONFIG_MACH_DECSTATION endif # elf2ecoff can only handle 32bit image -hostprogs-y += ../elf2ecoff +hostprogs += ../elf2ecoff ifdef CONFIG_32BIT VMLINUZ = vmlinuz diff --git a/arch/mips/boot/tools/Makefile b/arch/mips/boot/tools/Makefile index 5f8e737348eb..592e05a51a4a 100644 --- a/arch/mips/boot/tools/Makefile +++ b/arch/mips/boot/tools/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -hostprogs-y += relocs +hostprogs += relocs relocs-objs += relocs_32.o relocs-objs += relocs_64.o relocs-objs += relocs_main.o diff --git a/arch/mips/tools/Makefile b/arch/mips/tools/Makefile index aaef688749f5..b851e5dcc65a 100644 --- a/arch/mips/tools/Makefile +++ b/arch/mips/tools/Makefile @@ -1,10 +1,10 @@ # SPDX-License-Identifier: GPL-2.0 -hostprogs-y := elf-entry +hostprogs := elf-entry PHONY += elf-entry elf-entry: $(obj)/elf-entry @: -hostprogs-$(CONFIG_CPU_LOONGSON3_WORKAROUNDS) += loongson3-llsc-check +hostprogs += loongson3-llsc-check PHONY += loongson3-llsc-check loongson3-llsc-check: $(obj)/loongson3-llsc-check @: diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile index b2a2e032dc99..aa89a41dc5dd 100644 --- a/arch/mips/vdso/Makefile +++ b/arch/mips/vdso/Makefile @@ -100,7 +100,7 @@ $(obj)/%.so.raw: OBJCOPYFLAGS := -S $(obj)/%.so.raw: $(obj)/%.so.dbg.raw FORCE $(call if_changed,objcopy) -hostprogs-y := genvdso +hostprogs := genvdso quiet_cmd_genvdso = GENVDSO $@ define cmd_genvdso diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index dfbd7f22eef5..0556bf4fc9e9 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -224,7 +224,7 @@ $(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S FORCE $(obj)/wrapper.a: $(obj-wlib) FORCE $(call if_changed,bootar) -hostprogs-y := addnote hack-coff mktree +hostprogs := addnote hack-coff mktree targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ @@ -464,7 +464,7 @@ WRAPPER_BINDIR := /usr/sbin INSTALL := install extra-installed := $(patsubst $(obj)/%, $(DESTDIR)$(WRAPPER_OBJDIR)/%, $(extra-y)) -hostprogs-installed := $(patsubst %, $(DESTDIR)$(WRAPPER_BINDIR)/%, $(hostprogs-y)) +hostprogs-installed := $(patsubst %, $(DESTDIR)$(WRAPPER_BINDIR)/%, $(hostprogs)) wrapper-installed := $(DESTDIR)$(WRAPPER_BINDIR)/wrapper dts-installed := $(patsubst $(dtstree)/%, $(DESTDIR)$(WRAPPER_DTSDIR)/%, $(wildcard $(dtstree)/*.dts)) diff --git a/arch/s390/tools/Makefile b/arch/s390/tools/Makefile index b5e35e8f999a..f9dd47ff9ac4 100644 --- a/arch/s390/tools/Makefile +++ b/arch/s390/tools/Makefile @@ -10,8 +10,8 @@ PHONY += kapi kapi: $(kapi-hdrs-y) -hostprogs-y += gen_facilities -hostprogs-y += gen_opcode_table +hostprogs += gen_facilities +hostprogs += gen_opcode_table HOSTCFLAGS_gen_facilities.o += $(LINUXINCLUDE) diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile index ec8cd703b708..380e2b018992 100644 --- a/arch/sparc/boot/Makefile +++ b/arch/sparc/boot/Makefile @@ -7,7 +7,7 @@ ROOT_IMG := /usr/src/root.img ELFTOAOUT := elftoaout -hostprogs-y := piggyback +hostprogs := piggyback targets := tftpboot.img image zImage vmlinux.aout clean-files := System.map diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile index 997ffe46e953..708cb6304c2d 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -41,7 +41,7 @@ $(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE $(call if_changed,vdso) HOST_EXTRACFLAGS += -I$(srctree)/tools/include -hostprogs-y += vdso2c +hostprogs += vdso2c quiet_cmd_vdso2c = VDSO2C $@ cmd_vdso2c = $(obj)/vdso2c $< $(<:%.dbg=%) $@ diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index 748b6d28a91d..012b82fc8617 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -45,8 +45,8 @@ setup-y += video-vesa.o setup-y += video-bios.o targets += $(setup-y) -hostprogs-y := tools/build -hostprogs-$(CONFIG_X86_FEATURE_NAMES) += mkcpustr +hostprogs := tools/build +hostprogs += mkcpustr HOST_EXTRACFLAGS += -I$(srctree)/tools/include \ -include include/generated/autoconf.h \ diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 56aa5fa0a66b..26050ae0b27e 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -58,7 +58,7 @@ KBUILD_LDFLAGS += $(shell $(LD) --help 2>&1 | grep -q "\-z noreloc-overflow" \ endif LDFLAGS_vmlinux := -T -hostprogs-y := mkpiggy +hostprogs := mkpiggy HOST_EXTRACFLAGS += -I$(srctree)/tools/include sed-voffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(_text\|__bss_start\|_end\)$$/\#define VO_\2 _AC(0x\1,UL)/p' diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile index 2b75e80f6b41..433a1259f61d 100644 --- a/arch/x86/entry/vdso/Makefile +++ b/arch/x86/entry/vdso/Makefile @@ -59,7 +59,7 @@ $(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE $(call if_changed,vdso_and_check) HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi -I$(srctree)/arch/$(SUBARCH)/include/uapi -hostprogs-y += vdso2c +hostprogs += vdso2c quiet_cmd_vdso2c = VDSO2C $@ cmd_vdso2c = $(obj)/vdso2c $< $(<:%.dbg=%) $@ diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile index f60501a384f9..99b6332ba540 100644 --- a/arch/x86/realmode/rm/Makefile +++ b/arch/x86/realmode/rm/Makefile @@ -12,7 +12,7 @@ OBJECT_FILES_NON_STANDARD := y # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. KCOV_INSTRUMENT := n -always := realmode.bin realmode.relocs +always-y := realmode.bin realmode.relocs wakeup-objs := wakeup_asm.o wakemain.o video-mode.o wakeup-objs += copy.o bioscall.o regs.o diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile index 09af7ff53044..55b1ab378974 100644 --- a/arch/x86/tools/Makefile +++ b/arch/x86/tools/Makefile @@ -26,7 +26,7 @@ posttest: $(obj)/insn_decoder_test vmlinux $(obj)/insn_sanity $(call cmd,posttest) $(call cmd,sanitytest) -hostprogs-y += insn_decoder_test insn_sanity +hostprogs += insn_decoder_test insn_sanity # -I needed for generated C source and C source which in the kernel tree. HOSTCFLAGS_insn_decoder_test.o := -Wall -I$(objtree)/arch/x86/lib/ -I$(srctree)/arch/x86/include/uapi/ -I$(srctree)/arch/x86/include/ -I$(srctree)/arch/x86/lib/ -I$(srctree)/include/uapi/ @@ -39,7 +39,7 @@ $(obj)/insn_decoder_test.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/l $(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/inat.c $(srctree)/arch/x86/include/asm/inat_types.h $(srctree)/arch/x86/include/asm/inat.h $(srctree)/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c HOST_EXTRACFLAGS += -I$(srctree)/tools/include -hostprogs-y += relocs +hostprogs += relocs relocs-objs := relocs_32.o relocs_64.o relocs_common.o PHONY += relocs relocs: $(obj)/relocs diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile index 92ccd7aed0d4..c693b2ca0329 100644 --- a/drivers/gpu/drm/radeon/Makefile +++ b/drivers/gpu/drm/radeon/Makefile @@ -5,7 +5,7 @@ ccflags-y := -Idrivers/gpu/drm/amd/include -hostprogs-y := mkregtable +hostprogs := mkregtable clean-files := rn50_reg_safe.h r100_reg_safe.h r200_reg_safe.h rv515_reg_safe.h r300_reg_safe.h r420_reg_safe.h rs600_reg_safe.h r600_reg_safe.h evergreen_reg_safe.h cayman_reg_safe.h quiet_cmd_mkregtable = MKREGTABLE $@ diff --git a/drivers/tty/vt/Makefile b/drivers/tty/vt/Makefile index 329ca336b8ee..fe30ce512819 100644 --- a/drivers/tty/vt/Makefile +++ b/drivers/tty/vt/Makefile @@ -12,7 +12,7 @@ obj-$(CONFIG_HW_CONSOLE) += vt.o defkeymap.o # Files generated that shall be removed upon make clean clean-files := consolemap_deftbl.c defkeymap.c -hostprogs-y += conmakehash +hostprogs += conmakehash quiet_cmd_conmk = CONMK $@ cmd_conmk = $(obj)/conmakehash $< > $@ diff --git a/drivers/video/logo/Makefile b/drivers/video/logo/Makefile index bcda657493a4..895c60b8402e 100644 --- a/drivers/video/logo/Makefile +++ b/drivers/video/logo/Makefile @@ -18,7 +18,7 @@ obj-$(CONFIG_SPU_BASE) += logo_spe_clut224.o # How to generate logo's -hostprogs-y := pnmtologo +hostprogs := pnmtologo # Create commands like "pnmtologo -t mono -n logo_mac_mono -o ..." quiet_cmd_logo = LOGO $@ diff --git a/drivers/zorro/Makefile b/drivers/zorro/Makefile index b360ac4ea846..91ba82e633e7 100644 --- a/drivers/zorro/Makefile +++ b/drivers/zorro/Makefile @@ -7,7 +7,7 @@ obj-$(CONFIG_ZORRO) += zorro.o zorro-driver.o zorro-sysfs.o obj-$(CONFIG_PROC_FS) += proc.o obj-$(CONFIG_ZORRO_NAMES) += names.o -hostprogs-y := gen-devlist +hostprogs := gen-devlist # Files generated that shall be removed upon make clean clean-files := devlist.h diff --git a/fs/unicode/Makefile b/fs/unicode/Makefile index d46e9baee285..b88aecc86550 100644 --- a/fs/unicode/Makefile +++ b/fs/unicode/Makefile @@ -35,4 +35,4 @@ $(obj)/utf8data.h: $(src)/utf8data.h_shipped FORCE endif targets += utf8data.h -hostprogs-y += mkutf8data +hostprogs += mkutf8data diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index d812b90f4c86..a9b3f660dee7 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -44,7 +44,7 @@ __attribute__((weak, section(".rodata"))); extern const unsigned long kallsyms_relative_base __attribute__((weak, section(".rodata"))); -extern const u8 kallsyms_token_table[] __weak; +extern const char kallsyms_token_table[] __weak; extern const u16 kallsyms_token_index[] __weak; extern const unsigned int kallsyms_markers[] __weak; @@ -58,7 +58,8 @@ static unsigned int kallsyms_expand_symbol(unsigned int off, char *result, size_t maxlen) { int len, skipped_first = 0; - const u8 *tptr, *data; + const char *tptr; + const u8 *data; /* Get the compressed symbol length from the first symbol byte. */ data = &kallsyms_names[off]; diff --git a/lib/Makefile b/lib/Makefile index 8bb91176c2a1..5d64890d6b6a 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -241,8 +241,8 @@ obj-$(CONFIG_ASN1) += asn1_decoder.o obj-$(CONFIG_FONT_SUPPORT) += fonts/ -hostprogs-y := gen_crc32table -hostprogs-y += gen_crc64table +hostprogs := gen_crc32table +hostprogs += gen_crc64table clean-files := crc32table.h clean-files += crc64table.h diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile index 0083b5cc646c..b4c0df6d706d 100644 --- a/lib/raid6/Makefile +++ b/lib/raid6/Makefile @@ -10,7 +10,7 @@ raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o \ raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o -hostprogs-y += mktables +hostprogs += mktables ifeq ($(CONFIG_ALTIVEC),y) altivec_flags := -maltivec $(call cc-option,-mabi=altivec) diff --git a/net/bpfilter/Makefile b/net/bpfilter/Makefile index aa945ab5b655..36580301da70 100644 --- a/net/bpfilter/Makefile +++ b/net/bpfilter/Makefile @@ -3,7 +3,7 @@ # Makefile for the Linux BPFILTER layer. # -hostprogs-y := bpfilter_umh +hostprogs := bpfilter_umh bpfilter_umh-objs := main.o KBUILD_HOSTCFLAGS += -I $(srctree)/tools/include/ -I $(srctree)/tools/include/uapi HOSTCC := $(CC) diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index b0e8adf7eb01..79b0fee6943b 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -111,65 +111,65 @@ ibumad-objs := bpf_load.o ibumad_user.o $(TRACE_HELPERS) hbm-objs := bpf_load.o hbm.o $(CGROUP_HELPERS) # Tell kbuild to always build the programs -always := $(tprogs-y) -always += sockex1_kern.o -always += sockex2_kern.o -always += sockex3_kern.o -always += tracex1_kern.o -always += tracex2_kern.o -always += tracex3_kern.o -always += tracex4_kern.o -always += tracex5_kern.o -always += tracex6_kern.o -always += tracex7_kern.o -always += sock_flags_kern.o -always += test_probe_write_user_kern.o -always += trace_output_kern.o -always += tcbpf1_kern.o -always += tc_l2_redirect_kern.o -always += lathist_kern.o -always += offwaketime_kern.o -always += spintest_kern.o -always += map_perf_test_kern.o -always += test_overhead_tp_kern.o -always += test_overhead_raw_tp_kern.o -always += test_overhead_kprobe_kern.o -always += parse_varlen.o parse_simple.o parse_ldabs.o -always += test_cgrp2_tc_kern.o -always += xdp1_kern.o -always += xdp2_kern.o -always += xdp_router_ipv4_kern.o -always += test_current_task_under_cgroup_kern.o -always += trace_event_kern.o -always += sampleip_kern.o -always += lwt_len_hist_kern.o -always += xdp_tx_iptunnel_kern.o -always += test_map_in_map_kern.o -always += tcp_synrto_kern.o -always += tcp_rwnd_kern.o -always += tcp_bufs_kern.o -always += tcp_cong_kern.o -always += tcp_iw_kern.o -always += tcp_clamp_kern.o -always += tcp_basertt_kern.o -always += tcp_tos_reflect_kern.o -always += tcp_dumpstats_kern.o -always += xdp_redirect_kern.o -always += xdp_redirect_map_kern.o -always += xdp_redirect_cpu_kern.o -always += xdp_monitor_kern.o -always += xdp_rxq_info_kern.o -always += xdp2skb_meta_kern.o -always += syscall_tp_kern.o -always += cpustat_kern.o -always += xdp_adjust_tail_kern.o -always += xdp_fwd_kern.o -always += task_fd_query_kern.o -always += xdp_sample_pkts_kern.o -always += ibumad_kern.o -always += hbm_out_kern.o -always += hbm_edt_kern.o -always += xdpsock_kern.o +always-y := $(tprogs-y) +always-y += sockex1_kern.o +always-y += sockex2_kern.o +always-y += sockex3_kern.o +always-y += tracex1_kern.o +always-y += tracex2_kern.o +always-y += tracex3_kern.o +always-y += tracex4_kern.o +always-y += tracex5_kern.o +always-y += tracex6_kern.o +always-y += tracex7_kern.o +always-y += sock_flags_kern.o +always-y += test_probe_write_user_kern.o +always-y += trace_output_kern.o +always-y += tcbpf1_kern.o +always-y += tc_l2_redirect_kern.o +always-y += lathist_kern.o +always-y += offwaketime_kern.o +always-y += spintest_kern.o +always-y += map_perf_test_kern.o +always-y += test_overhead_tp_kern.o +always-y += test_overhead_raw_tp_kern.o +always-y += test_overhead_kprobe_kern.o +always-y += parse_varlen.o parse_simple.o parse_ldabs.o +always-y += test_cgrp2_tc_kern.o +always-y += xdp1_kern.o +always-y += xdp2_kern.o +always-y += xdp_router_ipv4_kern.o +always-y += test_current_task_under_cgroup_kern.o +always-y += trace_event_kern.o +always-y += sampleip_kern.o +always-y += lwt_len_hist_kern.o +always-y += xdp_tx_iptunnel_kern.o +always-y += test_map_in_map_kern.o +always-y += tcp_synrto_kern.o +always-y += tcp_rwnd_kern.o +always-y += tcp_bufs_kern.o +always-y += tcp_cong_kern.o +always-y += tcp_iw_kern.o +always-y += tcp_clamp_kern.o +always-y += tcp_basertt_kern.o +always-y += tcp_tos_reflect_kern.o +always-y += tcp_dumpstats_kern.o +always-y += xdp_redirect_kern.o +always-y += xdp_redirect_map_kern.o +always-y += xdp_redirect_cpu_kern.o +always-y += xdp_monitor_kern.o +always-y += xdp_rxq_info_kern.o +always-y += xdp2skb_meta_kern.o +always-y += syscall_tp_kern.o +always-y += cpustat_kern.o +always-y += xdp_adjust_tail_kern.o +always-y += xdp_fwd_kern.o +always-y += task_fd_query_kern.o +always-y += xdp_sample_pkts_kern.o +always-y += ibumad_kern.o +always-y += hbm_out_kern.o +always-y += hbm_edt_kern.o +always-y += xdpsock_kern.o ifeq ($(ARCH), arm) # Strip all except -D__LINUX_ARM_ARCH__ option needed to handle linux diff --git a/samples/connector/Makefile b/samples/connector/Makefile index 6ad71620e503..b785cbde5ffa 100644 --- a/samples/connector/Makefile +++ b/samples/connector/Makefile @@ -2,12 +2,8 @@ obj-$(CONFIG_SAMPLE_CONNECTOR) += cn_test.o # List of programs to build -ifdef CONFIG_SAMPLE_CONNECTOR -hostprogs-y := ucon -endif - -# Tell kbuild to always build the programs -always := $(hostprogs-y) +hostprogs := ucon +always-y := $(hostprogs) HOSTCFLAGS_ucon.o += -I$(objtree)/usr/include diff --git a/samples/hidraw/Makefile b/samples/hidraw/Makefile index dec1b22adf54..8bd25f77671f 100644 --- a/samples/hidraw/Makefile +++ b/samples/hidraw/Makefile @@ -1,9 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 # List of programs to build -hostprogs-y := hid-example - -# Tell kbuild to always build the programs -always := $(hostprogs-y) +hostprogs := hid-example +always-y := $(hostprogs) HOSTCFLAGS_hid-example.o += -I$(objtree)/usr/include diff --git a/samples/mei/Makefile b/samples/mei/Makefile index 27f37efdadb4..f5b9d02be2cd 100644 --- a/samples/mei/Makefile +++ b/samples/mei/Makefile @@ -1,10 +1,10 @@ # SPDX-License-Identifier: GPL-2.0 # Copyright (c) 2012-2019, Intel Corporation. All rights reserved. -hostprogs-y := mei-amt-version +hostprogs := mei-amt-version HOSTCFLAGS_mei-amt-version.o += -I$(objtree)/usr/include -always := $(hostprogs-y) +always-y := $(hostprogs) all: mei-amt-version diff --git a/samples/pidfd/Makefile b/samples/pidfd/Makefile index 0ff97784177a..ee2979849d92 100644 --- a/samples/pidfd/Makefile +++ b/samples/pidfd/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -hostprogs-y := pidfd-metadata -always := $(hostprogs-y) +hostprogs := pidfd-metadata +always-y := $(hostprogs) HOSTCFLAGS_pidfd-metadata.o += -I$(objtree)/usr/include all: pidfd-metadata diff --git a/samples/seccomp/Makefile b/samples/seccomp/Makefile index 009775b52538..89279e8b87df 100644 --- a/samples/seccomp/Makefile +++ b/samples/seccomp/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 ifndef CROSS_COMPILE -hostprogs-y := bpf-fancy dropper bpf-direct user-trap +hostprogs := bpf-fancy dropper bpf-direct user-trap HOSTCFLAGS_bpf-fancy.o += -I$(objtree)/usr/include HOSTCFLAGS_bpf-fancy.o += -idirafter $(objtree)/include @@ -40,5 +40,5 @@ HOSTLDLIBS_bpf-fancy += $(MFLAG) HOSTLDLIBS_dropper += $(MFLAG) HOSTLDLIBS_user-trap += $(MFLAG) endif -always := $(hostprogs-y) +always-y := $(hostprogs) endif diff --git a/samples/uhid/Makefile b/samples/uhid/Makefile index 8c9bc9f98d37..5f44ea40d6d5 100644 --- a/samples/uhid/Makefile +++ b/samples/uhid/Makefile @@ -1,8 +1,8 @@ # SPDX-License-Identifier: GPL-2.0-only # List of programs to build -hostprogs-y := uhid-example +hostprogs := uhid-example # Tell kbuild to always build the programs -always := $(hostprogs-y) +always-y := $(hostprogs) HOSTCFLAGS_uhid-example.o += -I$(objtree)/usr/include diff --git a/samples/vfs/Makefile b/samples/vfs/Makefile index e21c9f6fe9be..65acdde5c117 100644 --- a/samples/vfs/Makefile +++ b/samples/vfs/Makefile @@ -1,11 +1,10 @@ # SPDX-License-Identifier: GPL-2.0-only # List of programs to build -hostprogs-y := \ +hostprogs := \ test-fsmount \ test-statx -# Tell kbuild to always build the programs -always := $(hostprogs-y) +always-y := $(hostprogs) HOSTCFLAGS_test-fsmount.o += -I$(objtree)/usr/include HOSTCFLAGS_test-statx.o += -I$(objtree)/usr/include diff --git a/scripts/Makefile b/scripts/Makefile index 4d41f48e7376..5e75802b1a44 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -7,14 +7,14 @@ HOST_EXTRACFLAGS += -I$(srctree)/tools/include -hostprogs-$(CONFIG_BUILD_BIN2C) += bin2c -hostprogs-$(CONFIG_KALLSYMS) += kallsyms -hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount -hostprogs-$(CONFIG_BUILDTIME_TABLE_SORT) += sorttable -hostprogs-$(CONFIG_ASN1) += asn1_compiler -hostprogs-$(CONFIG_MODULE_SIG_FORMAT) += sign-file -hostprogs-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert -hostprogs-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert +always-$(CONFIG_BUILD_BIN2C) += bin2c +always-$(CONFIG_KALLSYMS) += kallsyms +always-$(BUILD_C_RECORDMCOUNT) += recordmcount +always-$(CONFIG_BUILDTIME_TABLE_SORT) += sorttable +always-$(CONFIG_ASN1) += asn1_compiler +always-$(CONFIG_MODULE_SIG_FORMAT) += sign-file +always-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert +always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include @@ -30,10 +30,10 @@ HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED HOSTLDLIBS_sorttable = -lpthread endif -always := $(hostprogs-y) $(hostprogs-m) +hostprogs := $(always-y) $(always-m) -# The following hostprogs-y programs are only build on demand -hostprogs-y += unifdef +# The following programs are only built on demand +hostprogs += unifdef subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins subdir-$(CONFIG_MODVERSIONS) += genksyms diff --git a/scripts/Makefile.build b/scripts/Makefile.build index a562d695f0fa..a1730d42e5f3 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -16,6 +16,8 @@ obj-m := lib-y := lib-m := always := +always-y := +always-m := targets := subdir-y := subdir-m := @@ -44,7 +46,7 @@ include $(kbuild-file) include scripts/Makefile.lib # Do not include host rules unless needed -ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),) +ifneq ($(hostprogs)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),) include scripts/Makefile.host endif @@ -348,7 +350,7 @@ $(obj)/%.o: $(src)/%.S $(objtool_dep) FORCE $(call if_changed_rule,as_o_S) targets += $(filter-out $(subdir-obj-y), $(real-obj-y)) $(real-obj-m) $(lib-y) -targets += $(extra-y) $(MAKECMDGOALS) $(always) +targets += $(extra-y) $(always-y) $(MAKECMDGOALS) # Linker scripts preprocessor (.lds.S -> .lds) # --------------------------------------------------------------------------- @@ -490,7 +492,7 @@ else __build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \ $(if $(KBUILD_MODULES),$(obj-m) $(mod-targets) $(modorder-target)) \ - $(subdir-ym) $(always) + $(subdir-ym) $(always-y) @: endif diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean index e367eb95c5c0..1e4206566a82 100644 --- a/scripts/Makefile.clean +++ b/scripts/Makefile.clean @@ -28,8 +28,8 @@ subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) # directory __clean-files := $(extra-y) $(extra-m) $(extra-) \ - $(always) $(targets) $(clean-files) \ - $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ + $(always) $(always-y) $(always-m) $(always-) $(targets) $(clean-files) \ + $(hostprogs) $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \ $(hostcxxlibs-y) $(hostcxxlibs-m) diff --git a/scripts/Makefile.host b/scripts/Makefile.host index 4c51c95d40f4..3b7121d43324 100644 --- a/scripts/Makefile.host +++ b/scripts/Makefile.host @@ -24,21 +24,21 @@ $(obj)/%.tab.c $(obj)/%.tab.h: $(src)/%.y FORCE # Both C and C++ are supported, but preferred language is C for such utilities. # # Sample syntax (see Documentation/kbuild/makefiles.rst for reference) -# hostprogs-y := bin2hex +# hostprogs := bin2hex # Will compile bin2hex.c and create an executable named bin2hex # -# hostprogs-y := lxdialog +# hostprogs := lxdialog # lxdialog-objs := checklist.o lxdialog.o # Will compile lxdialog.c and checklist.c, and then link the executable # lxdialog, based on checklist.o and lxdialog.o # -# hostprogs-y := qconf +# hostprogs := qconf # qconf-cxxobjs := qconf.o # qconf-objs := menu.o # Will compile qconf as a C++ program, and menu as a C program. # They are linked as C++ code to the executable qconf -__hostprogs := $(sort $(hostprogs-y) $(hostprogs-m)) +__hostprogs := $(sort $(hostprogs)) host-cshlib := $(sort $(hostlibs-y) $(hostlibs-m)) host-cxxshlib := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m)) diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index d10f7a03e0ee..bae62549e3d2 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -4,6 +4,8 @@ asflags-y += $(EXTRA_AFLAGS) ccflags-y += $(EXTRA_CFLAGS) cppflags-y += $(EXTRA_CPPFLAGS) ldflags-y += $(EXTRA_LDFLAGS) +always-y += $(always) +hostprogs += $(hostprogs-y) $(hostprogs-m) # flags that take effect in current and sub directories KBUILD_AFLAGS += $(subdir-asflags-y) @@ -59,6 +61,8 @@ subdir-obj-y := $(filter %/built-in.a, $(obj-y)) real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m))) +always-y += $(always-m) + # DTB # If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built extra-y += $(dtb-y) @@ -72,7 +76,7 @@ endif # Add subdir path extra-y := $(addprefix $(obj)/,$(extra-y)) -always := $(addprefix $(obj)/,$(always)) +always-y := $(addprefix $(obj)/,$(always-y)) targets := $(addprefix $(obj)/,$(targets)) modorder := $(addprefix $(obj)/,$(modorder)) obj-m := $(addprefix $(obj)/,$(obj-m)) diff --git a/scripts/basic/Makefile b/scripts/basic/Makefile index 7c9cb80d097b..290dd27d2809 100644 --- a/scripts/basic/Makefile +++ b/scripts/basic/Makefile @@ -2,5 +2,5 @@ # # fixdep: used to generate dependency information during build process -hostprogs-y := fixdep -always := $(hostprogs-y) +hostprogs := fixdep +always-y := $(hostprogs) diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile index b5a5b1c548c9..3acbb410904c 100644 --- a/scripts/dtc/Makefile +++ b/scripts/dtc/Makefile @@ -1,8 +1,8 @@ # SPDX-License-Identifier: GPL-2.0 # scripts/dtc makefile -hostprogs-$(CONFIG_DTC) := dtc -always := $(hostprogs-y) +hostprogs := dtc +always-$(CONFIG_DTC) := $(hostprogs) dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \ srcpos.o checks.o util.o diff --git a/scripts/gcc-plugins/Makefile b/scripts/gcc-plugins/Makefile index aa0d0ec6936d..f2ee8bd7abc6 100644 --- a/scripts/gcc-plugins/Makefile +++ b/scripts/gcc-plugins/Makefile @@ -23,7 +23,7 @@ $(objtree)/$(obj)/randomize_layout_seed.h: FORCE targets = randomize_layout_seed.h randomize_layout_hash.h $(HOSTLIBS)-y := $(foreach p,$(GCC_PLUGIN),$(if $(findstring /,$(p)),,$(p))) -always := $($(HOSTLIBS)-y) +always-y := $($(HOSTLIBS)-y) $(foreach p,$($(HOSTLIBS)-y:%.so=%),$(eval $(p)-objs := $(p).o)) diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile index 78629f515e78..d328de1e10ee 100644 --- a/scripts/genksyms/Makefile +++ b/scripts/genksyms/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 -hostprogs-y := genksyms -always := $(hostprogs-y) +hostprogs := genksyms +always-y := $(hostprogs) genksyms-objs := genksyms.o parse.tab.o lex.lex.o diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 94153732ec00..a566d8201b56 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -33,8 +33,8 @@ struct sym_entry { unsigned long long addr; unsigned int len; unsigned int start_pos; - unsigned char *sym; unsigned int percpu_absolute; + unsigned char sym[0]; }; struct addr_range { @@ -55,7 +55,7 @@ static struct addr_range percpu_range = { "__per_cpu_start", "__per_cpu_end", -1ULL, 0 }; -static struct sym_entry *table; +static struct sym_entry **table; static unsigned int table_size, table_cnt; static int all_symbols; static int absolute_percpu; @@ -174,49 +174,55 @@ static void check_symbol_range(const char *sym, unsigned long long addr, } } -static int read_symbol(FILE *in, struct sym_entry *s) +static struct sym_entry *read_symbol(FILE *in) { - char sym[500], stype; + char name[500], type; + unsigned long long addr; + unsigned int len; + struct sym_entry *sym; int rc; - rc = fscanf(in, "%llx %c %499s\n", &s->addr, &stype, sym); + rc = fscanf(in, "%llx %c %499s\n", &addr, &type, name); if (rc != 3) { - if (rc != EOF && fgets(sym, 500, in) == NULL) + if (rc != EOF && fgets(name, 500, in) == NULL) fprintf(stderr, "Read error or end of file.\n"); - return -1; + return NULL; } - if (strlen(sym) >= KSYM_NAME_LEN) { + if (strlen(name) >= KSYM_NAME_LEN) { fprintf(stderr, "Symbol %s too long for kallsyms (%zu >= %d).\n" "Please increase KSYM_NAME_LEN both in kernel and kallsyms.c\n", - sym, strlen(sym), KSYM_NAME_LEN); - return -1; + name, strlen(name), KSYM_NAME_LEN); + return NULL; } - if (is_ignored_symbol(sym, stype)) - return -1; + if (is_ignored_symbol(name, type)) + return NULL; /* Ignore most absolute/undefined (?) symbols. */ - if (strcmp(sym, "_text") == 0) - _text = s->addr; + if (strcmp(name, "_text") == 0) + _text = addr; - check_symbol_range(sym, s->addr, text_ranges, ARRAY_SIZE(text_ranges)); - check_symbol_range(sym, s->addr, &percpu_range, 1); + check_symbol_range(name, addr, text_ranges, ARRAY_SIZE(text_ranges)); + check_symbol_range(name, addr, &percpu_range, 1); /* include the type field in the symbol name, so that it gets * compressed together */ - s->len = strlen(sym) + 1; - s->sym = malloc(s->len + 1); - if (!s->sym) { + + len = strlen(name) + 1; + + sym = malloc(sizeof(*sym) + len); + if (!sym) { fprintf(stderr, "kallsyms failure: " "unable to allocate required amount of memory\n"); exit(EXIT_FAILURE); } - strcpy(sym_name(s), sym); - s->sym[0] = stype; - - s->percpu_absolute = 0; + sym->addr = addr; + sym->len = len; + sym->sym[0] = type; + memcpy(sym_name(sym), name, len); + sym->percpu_absolute = 0; - return 0; + return sym; } static int symbol_in_range(const struct sym_entry *s, @@ -268,12 +274,12 @@ static void shrink_table(void) pos = 0; for (i = 0; i < table_cnt; i++) { - if (symbol_valid(&table[i])) { + if (symbol_valid(table[i])) { if (pos != i) table[pos] = table[i]; pos++; } else { - free(table[i].sym); + free(table[i]); } } table_cnt = pos; @@ -287,7 +293,15 @@ static void shrink_table(void) static void read_map(FILE *in) { + struct sym_entry *sym; + while (!feof(in)) { + sym = read_symbol(in); + if (!sym) + continue; + + sym->start_pos = table_cnt; + if (table_cnt >= table_size) { table_size += 10000; table = realloc(table, sizeof(*table) * table_size); @@ -296,10 +310,8 @@ static void read_map(FILE *in) exit (1); } } - if (read_symbol(in, &table[table_cnt]) == 0) { - table[table_cnt].start_pos = table_cnt; - table_cnt++; - } + + table[table_cnt++] = sym; } } @@ -387,27 +399,27 @@ static void write_src(void) int overflow; if (!absolute_percpu) { - offset = table[i].addr - relative_base; + offset = table[i]->addr - relative_base; overflow = (offset < 0 || offset > UINT_MAX); - } else if (symbol_absolute(&table[i])) { - offset = table[i].addr; + } else if (symbol_absolute(table[i])) { + offset = table[i]->addr; overflow = (offset < 0 || offset > INT_MAX); } else { - offset = relative_base - table[i].addr - 1; + offset = relative_base - table[i]->addr - 1; overflow = (offset < INT_MIN || offset >= 0); } if (overflow) { fprintf(stderr, "kallsyms failure: " "%s symbol value %#llx out of range in relative mode\n", - symbol_absolute(&table[i]) ? "absolute" : "relative", - table[i].addr); + symbol_absolute(table[i]) ? "absolute" : "relative", + table[i]->addr); exit(EXIT_FAILURE); } printf("\t.long\t%#x\n", (int)offset); - } else if (!symbol_absolute(&table[i])) { - output_address(table[i].addr); + } else if (!symbol_absolute(table[i])) { + output_address(table[i]->addr); } else { - printf("\tPTR\t%#llx\n", table[i].addr); + printf("\tPTR\t%#llx\n", table[i]->addr); } } printf("\n"); @@ -437,12 +449,12 @@ static void write_src(void) if ((i & 0xFF) == 0) markers[i >> 8] = off; - printf("\t.byte 0x%02x", table[i].len); - for (k = 0; k < table[i].len; k++) - printf(", 0x%02x", table[i].sym[k]); + printf("\t.byte 0x%02x", table[i]->len); + for (k = 0; k < table[i]->len; k++) + printf(", 0x%02x", table[i]->sym[k]); printf("\n"); - off += table[i].len + 1; + off += table[i]->len + 1; } printf("\n"); @@ -496,7 +508,7 @@ static void build_initial_tok_table(void) unsigned int i; for (i = 0; i < table_cnt; i++) - learn_symbol(table[i].sym, table[i].len); + learn_symbol(table[i]->sym, table[i]->len); } static unsigned char *find_token(unsigned char *str, int len, @@ -520,15 +532,15 @@ static void compress_symbols(const unsigned char *str, int idx) for (i = 0; i < table_cnt; i++) { - len = table[i].len; - p1 = table[i].sym; + len = table[i]->len; + p1 = table[i]->sym; /* find the token on the symbol */ p2 = find_token(p1, len, str); if (!p2) continue; /* decrease the counts for this symbol's tokens */ - forget_symbol(table[i].sym, len); + forget_symbol(table[i]->sym, len); size = len; @@ -547,10 +559,10 @@ static void compress_symbols(const unsigned char *str, int idx) } while (p2); - table[i].len = len; + table[i]->len = len; /* increase the counts for this symbol's new tokens */ - learn_symbol(table[i].sym, len); + learn_symbol(table[i]->sym, len); } } @@ -606,8 +618,8 @@ static void insert_real_symbols_in_table(void) unsigned int i, j, c; for (i = 0; i < table_cnt; i++) { - for (j = 0; j < table[i].len; j++) { - c = table[i].sym[j]; + for (j = 0; j < table[i]->len; j++) { + c = table[i]->sym[j]; best_table[c][0]=c; best_table_len[c]=1; } @@ -660,13 +672,10 @@ static int may_be_linker_script_provide_symbol(const struct sym_entry *se) static int compare_symbols(const void *a, const void *b) { - const struct sym_entry *sa; - const struct sym_entry *sb; + const struct sym_entry *sa = *(const struct sym_entry **)a; + const struct sym_entry *sb = *(const struct sym_entry **)b; int wa, wb; - sa = a; - sb = b; - /* sort by address first */ if (sa->addr > sb->addr) return 1; @@ -697,7 +706,7 @@ static int compare_symbols(const void *a, const void *b) static void sort_symbols(void) { - qsort(table, table_cnt, sizeof(struct sym_entry), compare_symbols); + qsort(table, table_cnt, sizeof(table[0]), compare_symbols); } static void make_percpus_absolute(void) @@ -705,14 +714,14 @@ static void make_percpus_absolute(void) unsigned int i; for (i = 0; i < table_cnt; i++) - if (symbol_in_range(&table[i], &percpu_range, 1)) { + if (symbol_in_range(table[i], &percpu_range, 1)) { /* * Keep the 'A' override for percpu symbols to * ensure consistent behavior compared to older * versions of this tool. */ - table[i].sym[0] = 'A'; - table[i].percpu_absolute = 1; + table[i]->sym[0] = 'A'; + table[i]->percpu_absolute = 1; } } @@ -722,12 +731,12 @@ static void record_relative_base(void) unsigned int i; for (i = 0; i < table_cnt; i++) - if (!symbol_absolute(&table[i])) { + if (!symbol_absolute(table[i])) { /* * The table is sorted by address. * Take the first non-absolute symbol value. */ - relative_base = table[i].addr; + relative_base = table[i]->addr; return; } } diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index fbeb62ae3401..5887ceb6229e 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -157,11 +157,11 @@ HOSTCFLAGS_lexer.lex.o := -I $(srctree)/$(src) HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src) # conf: Used for defconfig, oldconfig and related targets -hostprogs-y += conf +hostprogs += conf conf-objs := conf.o $(common-objs) # nconf: Used for the nconfig target based on ncurses -hostprogs-y += nconf +hostprogs += nconf nconf-objs := nconf.o nconf.gui.o $(common-objs) HOSTLDLIBS_nconf = $(shell . $(obj)/nconf-cfg && echo $$libs) @@ -171,7 +171,7 @@ HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/nconf-cfg && echo $$cflags) $(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg # mconf: Used for the menuconfig target based on lxdialog -hostprogs-y += mconf +hostprogs += mconf lxdialog := $(addprefix lxdialog/, \ checklist.o inputbox.o menubox.o textbox.o util.o yesno.o) mconf-objs := mconf.o $(lxdialog) $(common-objs) @@ -183,7 +183,7 @@ $(foreach f, mconf.o $(lxdialog), \ $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg # qconf: Used for the xconfig target based on Qt -hostprogs-y += qconf +hostprogs += qconf qconf-cxxobjs := qconf.o qconf-objs := images.o $(common-objs) @@ -199,7 +199,7 @@ $(obj)/%.moc: $(src)/%.h $(obj)/qconf-cfg $(call cmd,moc) # gconf: Used for the gconfig target based on GTK+ -hostprogs-y += gconf +hostprogs += gconf gconf-objs := gconf.o images.o $(common-objs) HOSTLDLIBS_gconf = $(shell . $(obj)/gconf-cfg && echo $$libs) diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 11f6c72c2eee..a39d93e3c6ae 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -1312,7 +1312,7 @@ bool conf_set_all_new_symbols(enum conf_def_mode mode) sym_calc_value(csym); if (mode == def_random) - has_changed = randomize_choice_values(csym); + has_changed |= randomize_choice_values(csym); else { set_all_choice_values(csym); has_changed = true; @@ -1331,9 +1331,8 @@ void conf_rewrite_mod_or_yes(enum conf_def_mode mode) for_all_symbols(i, sym) { if (sym_get_type(sym) == S_TRISTATE && - sym->def[S_DEF_USER].tri == old_val) { + sym->def[S_DEF_USER].tri == old_val) sym->def[S_DEF_USER].tri = new_val; - sym_add_change_count(1); - } } + sym_clear_all_valid(); } diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile index 42c5d50f2bcc..296b6a3878b2 100644 --- a/scripts/mod/Makefile +++ b/scripts/mod/Makefile @@ -1,8 +1,8 @@ # SPDX-License-Identifier: GPL-2.0 OBJECT_FILES_NON_STANDARD := y -hostprogs-y := modpost mk_elfconfig -always := $(hostprogs-y) empty.o +hostprogs := modpost mk_elfconfig +always-y := $(hostprogs) empty.o modpost-objs := modpost.o file2alias.o sumversion.o diff --git a/scripts/selinux/genheaders/Makefile b/scripts/selinux/genheaders/Makefile index e8c533140981..70cf8d95d07c 100644 --- a/scripts/selinux/genheaders/Makefile +++ b/scripts/selinux/genheaders/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 -hostprogs-y := genheaders +hostprogs := genheaders HOST_EXTRACFLAGS += \ -I$(srctree)/include/uapi -I$(srctree)/include \ -I$(srctree)/security/selinux/include -always := $(hostprogs-y) +always-y := $(hostprogs) diff --git a/scripts/selinux/mdp/Makefile b/scripts/selinux/mdp/Makefile index 8a1269a9d0ba..3026f3c2aa2b 100644 --- a/scripts/selinux/mdp/Makefile +++ b/scripts/selinux/mdp/Makefile @@ -1,8 +1,8 @@ # SPDX-License-Identifier: GPL-2.0 -hostprogs-y := mdp +hostprogs := mdp HOST_EXTRACFLAGS += \ -I$(srctree)/include/uapi -I$(srctree)/include \ -I$(srctree)/security/selinux/include -I$(objtree)/include -always := $(hostprogs-y) +always-y := $(hostprogs) clean-files := policy.* file_contexts diff --git a/usr/Makefile b/usr/Makefile index b6081bb2cc72..c12e6b15ce72 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -52,7 +52,7 @@ ifeq ($(cpio-data),) cpio-data := $(obj)/initramfs_data.cpio -hostprogs-y := gen_init_cpio +hostprogs := gen_init_cpio # .initramfs_data.cpio.d is used to identify all files included # in initramfs and to detect if any files are added/removed. |