diff options
Diffstat (limited to 'scripts')
132 files changed, 3209 insertions, 1612 deletions
diff --git a/scripts/.gitignore b/scripts/.gitignore index b7aec8eb1bd4..6e9ce6720a05 100644 --- a/scripts/.gitignore +++ b/scripts/.gitignore @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only /asn1_compiler -/bin2c /generate_rust_target /insert-sys-cert /kallsyms @@ -8,4 +7,5 @@ /recordmcount /sign-file /sorttable +/target.json /unifdef diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 2bc08ace38a3..7778cc97a4e0 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -10,6 +10,26 @@ empty := space := $(empty) $(empty) space_escape := _-_SPACE_-_ pound := \# +define newline + + +endef + +### +# Comparison macros. +# Usage: $(call test-lt, $(CONFIG_LLD_VERSION), 150000) +# +# Use $(intcmp ...) if supported. (Make >= 4.4) +# Otherwise, fall back to the 'test' shell command. +ifeq ($(intcmp 1,0,,,y),y) +test-ge = $(intcmp $(strip $1)0, $(strip $2)0,,y,y) +test-gt = $(intcmp $(strip $1)0, $(strip $2)0,,,y) +else +test-ge = $(shell test $(strip $1)0 -ge $(strip $2)0 && echo y) +test-gt = $(shell test $(strip $1)0 -gt $(strip $2)0 && echo y) +endif +test-le = $(call test-ge, $2, $1) +test-lt = $(call test-gt, $2, $1) ### # Name of target with a '.' as filename prefix. foo/bar.o => foo/.bar.o @@ -41,6 +61,21 @@ escsq = $(subst $(squote),'\$(squote)',$1) stringify = $(squote)$(quote)$1$(quote)$(squote) ### +# The path to Kbuild or Makefile. Kbuild has precedence over Makefile. +kbuild-dir = $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) +kbuild-file = $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile) + +### +# Read a file, replacing newlines with spaces +# +# Make 4.2 or later can read a file by using its builtin function. +ifneq ($(filter-out 3.% 4.0 4.1, $(MAKE_VERSION)),) +read-file = $(subst $(newline),$(space),$(file < $1)) +else +read-file = $(shell cat $1 2>/dev/null) +endif + +### # Easy method for doing a status message kecho := : quiet_kecho := echo @@ -64,11 +99,11 @@ define filechk $(check-FORCE) $(Q)set -e; \ mkdir -p $(dir $@); \ - trap "rm -f $(dot-target).tmp" EXIT; \ - { $(filechk_$(1)); } > $(dot-target).tmp; \ - if [ ! -r $@ ] || ! cmp -s $@ $(dot-target).tmp; then \ + trap "rm -f $(tmp-target)" EXIT; \ + { $(filechk_$(1)); } > $(tmp-target); \ + if [ ! -r $@ ] || ! cmp -s $@ $(tmp-target); then \ $(kecho) ' UPD $@'; \ - mv -f $(dot-target).tmp $@; \ + mv -f $(tmp-target) $@; \ fi endef @@ -90,15 +125,15 @@ dtbinst := -f $(srctree)/scripts/Makefile.dtbinst obj # $(Q)$(MAKE) $(clean)=dir clean := -f $(srctree)/scripts/Makefile.clean obj -# echo command. -# Short version is used, if $(quiet) equals `quiet_', otherwise full one. -echo-cmd = $(if $($(quiet)cmd_$(1)),\ - echo ' $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';) - -# sink stdout for 'make -s' - redirect := - quiet_redirect := -silent_redirect := exec >/dev/null; +# pring log +# +# If quiet is "silent_", print nothing and sink stdout +# If quiet is "quiet_", print short log +# If quiet is empty, print short log and whole command +silent_log_print = exec >/dev/null; + quiet_log_print = $(if $(quiet_cmd_$1), echo ' $(call escsq,$(quiet_cmd_$1)$(why))';) + log_print = echo '$(pound) $(call escsq,$(or $(quiet_cmd_$1),cmd_$1 $@)$(why))'; \ + echo ' $(call escsq,$(cmd_$1))'; # Delete the target on interruption # @@ -121,8 +156,8 @@ delete-on-interrupt = \ $(foreach sig, HUP INT QUIT TERM PIPE, \ trap 'rm -f $@; trap - $(sig); kill -s $(sig) $$$$' $(sig);)) -# printing commands -cmd = @set -e; $(echo-cmd) $($(quiet)redirect) $(delete-on-interrupt) $(cmd_$(1)) +# print and execute commands +cmd = @$(if $(cmd_$(1)),set -e; $($(quiet)log_print) $(delete-on-interrupt) $(cmd_$(1)),:) ### # if_changed - execute command if any prerequisite is newer than @@ -135,10 +170,14 @@ cmd = @set -e; $(echo-cmd) $($(quiet)redirect) $(delete-on-interrupt) $(cmd_$(1) ifneq ($(KBUILD_NOCMDDEP),1) # Check if both commands are the same including their order. Result is empty # string if equal. User may override this check using make KBUILD_NOCMDDEP=1 -cmd-check = $(filter-out $(subst $(space),$(space_escape),$(strip $(cmd_$@))), \ +# If the target does not exist, the *.cmd file should not be included so +# $(savedcmd_$@) gets empty. Then, target will be built even if $(newer-prereqs) +# happens to become empty. +cmd-check = $(filter-out $(subst $(space),$(space_escape),$(strip $(savedcmd_$@))), \ $(subst $(space),$(space_escape),$(strip $(cmd_$1)))) else -cmd-check = $(if $(strip $(cmd_$@)),,1) +# We still need to detect missing targets. +cmd-check = $(if $(strip $(savedcmd_$@)),,1) endif # Replace >$< with >$$< to preserve $ when reloading the .cmd file @@ -150,10 +189,9 @@ endif make-cmd = $(call escsq,$(subst $(pound),$$(pound),$(subst $$,$$$$,$(cmd_$(1))))) # Find any prerequisites that are newer than target or that do not exist. -# (This is not true for now; $? should contain any non-existent prerequisites, -# but it does not work as expected when .SECONDARY is present. This seems a bug -# of GNU Make.) # PHONY targets skipped in both cases. +# If there is no prerequisite other than phony targets, $(newer-prereqs) becomes +# empty even if the target does not exist. cmd-check saves this corner case. newer-prereqs = $(filter-out $(PHONY),$?) # It is a typical mistake to forget the FORCE prerequisite. Check it here so @@ -167,7 +205,7 @@ if_changed = $(if $(if-changed-cond),$(cmd_and_savecmd),@:) cmd_and_savecmd = \ $(cmd); \ - printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd + printf '%s\n' 'savedcmd_$@ := $(make-cmd)' > $(dot-target).cmd # Execute the command and also postprocess generated .d dependencies file. if_changed_dep = $(if $(if-changed-cond),$(cmd_and_fixdep),@:) @@ -201,13 +239,13 @@ if_changed_rule = $(if $(if-changed-cond),$(rule_$(1)),@:) # (5) No dir/.target.cmd file (used to store command line) # (6) No dir/.target.cmd file and target not listed in $(targets) # This is a good hint that there is a bug in the kbuild file -ifeq ($(KBUILD_VERBOSE),2) -why = \ +ifneq ($(findstring 2, $(KBUILD_VERBOSE)),) +_why = \ $(if $(filter $@, $(PHONY)),- due to target is PHONY, \ $(if $(wildcard $@), \ $(if $(newer-prereqs),- due to: $(newer-prereqs), \ $(if $(cmd-check), \ - $(if $(cmd_$@),- due to command line change, \ + $(if $(savedcmd_$@),- due to command line change, \ $(if $(filter $@, $(targets)), \ - due to missing .cmd file, \ - due to $(notdir $@) not in $$(targets) \ @@ -219,7 +257,7 @@ why = \ ) \ ) -echo-why = $(call escsq, $(strip $(why))) +why = $(space)$(strip $(_why)) endif ############################################################################### @@ -228,4 +266,14 @@ endif .DELETE_ON_ERROR: # do not delete intermediate files automatically +# +# .NOTINTERMEDIATE is more correct, but only available on newer Make versions. +# Make 4.4 introduced .NOTINTERMEDIATE, and it appears in .FEATURES, but the +# global .NOTINTERMEDIATE does not work. We can use it on Make > 4.4. +# Use .SECONDARY for older Make versions, but "newer-prereq" cannot detect +# deleted files. +ifneq ($(and $(filter notintermediate, $(.FEATURES)),$(filter-out 4.4,$(MAKE_VERSION))),) +.NOTINTERMEDIATE: +else .SECONDARY: +endif diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include index 274125307ebd..5a84b6443875 100644 --- a/scripts/Kconfig.include +++ b/scripts/Kconfig.include @@ -33,7 +33,7 @@ ld-option = $(success,$(LD) -v $(1)) # $(as-instr,<instr>) # Return y if the assembler supports <instr>, n otherwise -as-instr = $(success,printf "%b\n" "$(1)" | $(CC) $(CLANG_FLAGS) -c -x assembler -o /dev/null -) +as-instr = $(success,printf "%b\n" "$(1)" | $(CC) $(CLANG_FLAGS) -c -x assembler-with-cpp -o /dev/null -) # check if $(CC) and $(LD) exist $(error-if,$(failure,command -v $(CC)),C compiler '$(CC)' not found) diff --git a/scripts/Makefile b/scripts/Makefile index 1575af84d557..32b6ba722728 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -3,15 +3,20 @@ # scripts contains sources for various helper programs used throughout # the kernel for the build process. -hostprogs-always-$(CONFIG_BUILD_BIN2C) += bin2c hostprogs-always-$(CONFIG_KALLSYMS) += kallsyms hostprogs-always-$(BUILD_C_RECORDMCOUNT) += recordmcount hostprogs-always-$(CONFIG_BUILDTIME_TABLE_SORT) += sorttable hostprogs-always-$(CONFIG_ASN1) += asn1_compiler hostprogs-always-$(CONFIG_MODULE_SIG_FORMAT) += sign-file hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert -hostprogs-always-$(CONFIG_RUST) += generate_rust_target +always-$(CONFIG_RUST) += target.json +filechk_rust_target = $< < include/config/auto.conf + +$(obj)/target.json: scripts/generate_rust_target include/config/auto.conf FORCE + $(call filechk,rust_target) + +hostprogs += generate_rust_target generate_rust_target-rust := y HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic index 1d501c57f9ef..8d01b37b7677 100644 --- a/scripts/Makefile.asm-generic +++ b/scripts/Makefile.asm-generic @@ -10,15 +10,15 @@ PHONY := all all: src := $(subst /generated,,$(obj)) --include $(src)/Kbuild + +include $(srctree)/scripts/Kbuild.include +-include $(kbuild-file) # $(generic)/Kbuild lists mandatory-y. Exclude um since it is a special case. ifneq ($(SRCARCH),um) include $(srctree)/$(generic)/Kbuild endif -include $(srctree)/scripts/Kbuild.include - redundant := $(filter $(mandatory-y) $(generated-y), $(generic-y)) redundant += $(foreach f, $(generic-y), $(if $(wildcard $(srctree)/$(src)/$(f)),$(f))) redundant := $(sort $(redundant)) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 41f3602fc8de..9f94fc83f086 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -38,11 +38,7 @@ subdir-ccflags-y := include $(srctree)/scripts/Kbuild.include include $(srctree)/scripts/Makefile.compiler - -# The filename Kbuild has precedence over Makefile -kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) -include $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile) - +include $(kbuild-file) include $(srctree)/scripts/Makefile.lib # Do not include hostprogs rules unless needed. @@ -226,6 +222,10 @@ endif cmd_check_local_export = $(srctree)/scripts/check-local-export $@ +ifneq ($(findstring 1, $(KBUILD_EXTRA_WARN)),) +cmd_warn_shared_object = $(if $(word 2, $(modname-multi)),$(warning $(kbuild-file): $*.o is added to multiple modules: $(modname-multi))) +endif + define rule_cc_o_c $(call cmd_and_fixdep,cc_o_c) $(call cmd,gen_ksymdeps) @@ -235,6 +235,7 @@ define rule_cc_o_c $(call cmd,gen_objtooldep) $(call cmd,gen_symversions_c) $(call cmd,record_mcount) + $(call cmd,warn_shared_object) endef define rule_as_o_S @@ -243,6 +244,7 @@ define rule_as_o_S $(call cmd,check_local_export) $(call cmd,gen_objtooldep) $(call cmd,gen_symversions_S) + $(call cmd,warn_shared_object) endef # Built-in and composite module parts @@ -275,7 +277,7 @@ $(obj)/%.lst: $(src)/%.c FORCE # Compile Rust sources (.rs) # --------------------------------------------------------------------------- -rust_allowed_features := core_ffi_c +rust_allowed_features := core_ffi_c,explicit_generic_args_with_impl_trait,new_uninit,pin_macro rust_common_cmd = \ RUST_MODFILE=$(modfile) $(RUSTC_OR_CLIPPY) $(rust_flags) \ @@ -283,12 +285,9 @@ rust_common_cmd = \ -Zcrate-attr=no_std \ -Zcrate-attr='feature($(rust_allowed_features))' \ --extern alloc --extern kernel \ - --crate-type rlib --out-dir $(obj) -L $(objtree)/rust/ \ - --crate-name $(basename $(notdir $@)) - -rust_handle_depfile = \ - mv $(obj)/$(basename $(notdir $@)).d $(depfile); \ - sed -i '/^\#/d' $(depfile) + --crate-type rlib -L $(objtree)/rust/ \ + --crate-name $(basename $(notdir $@)) \ + --emit=dep-info=$(depfile) # `--emit=obj`, `--emit=asm` and `--emit=llvm-ir` imply a single codegen unit # will be used. We explicitly request `-Ccodegen-units=1` in any case, and @@ -299,34 +298,27 @@ rust_handle_depfile = \ # would not match each other. quiet_cmd_rustc_o_rs = $(RUSTC_OR_CLIPPY_QUIET) $(quiet_modtag) $@ - cmd_rustc_o_rs = \ - $(rust_common_cmd) --emit=dep-info,obj $<; \ - $(rust_handle_depfile) + cmd_rustc_o_rs = $(rust_common_cmd) --emit=obj=$@ $< $(obj)/%.o: $(src)/%.rs FORCE $(call if_changed_dep,rustc_o_rs) quiet_cmd_rustc_rsi_rs = $(RUSTC_OR_CLIPPY_QUIET) $(quiet_modtag) $@ cmd_rustc_rsi_rs = \ - $(rust_common_cmd) --emit=dep-info -Zunpretty=expanded $< >$@; \ - command -v $(RUSTFMT) >/dev/null && $(RUSTFMT) $@; \ - $(rust_handle_depfile) + $(rust_common_cmd) -Zunpretty=expanded $< >$@; \ + command -v $(RUSTFMT) >/dev/null && $(RUSTFMT) $@ $(obj)/%.rsi: $(src)/%.rs FORCE $(call if_changed_dep,rustc_rsi_rs) quiet_cmd_rustc_s_rs = $(RUSTC_OR_CLIPPY_QUIET) $(quiet_modtag) $@ - cmd_rustc_s_rs = \ - $(rust_common_cmd) --emit=dep-info,asm $<; \ - $(rust_handle_depfile) + cmd_rustc_s_rs = $(rust_common_cmd) --emit=asm=$@ $< $(obj)/%.s: $(src)/%.rs FORCE $(call if_changed_dep,rustc_s_rs) quiet_cmd_rustc_ll_rs = $(RUSTC_OR_CLIPPY_QUIET) $(quiet_modtag) $@ - cmd_rustc_ll_rs = \ - $(rust_common_cmd) --emit=dep-info,llvm-ir $<; \ - $(rust_handle_depfile) + cmd_rustc_ll_rs = $(rust_common_cmd) --emit=llvm-ir=$@ $< $(obj)/%.ll: $(src)/%.rs FORCE $(call if_changed_dep,rustc_ll_rs) @@ -433,7 +425,7 @@ $(obj)/built-in.a: $(real-obj-y) FORCE # modules.order unless contained modules are updated. cmd_modules_order = { $(foreach m, $(real-prereqs), \ - $(if $(filter %/modules.order, $m), cat $m, echo $(patsubst %.o,%.ko,$m));) :; } \ + $(if $(filter %/modules.order, $m), cat $m, echo $m);) :; } \ > $@ $(obj)/modules.order: $(obj-m) FORCE @@ -468,10 +460,12 @@ intermediate_targets = $(foreach sfx, $(2), \ $(filter %$(strip $(1)), $(targets)))) # %.asn1.o <- %.asn1.[ch] <- %.asn1 # %.dtb.o <- %.dtb.S <- %.dtb <- %.dts +# %.dtbo.o <- %.dtbo.S <- %.dtbo <- %.dtso # %.lex.o <- %.lex.c <- %.l # %.tab.o <- %.tab.[ch] <- %.y targets += $(call intermediate_targets, .asn1.o, .asn1.c .asn1.h) \ $(call intermediate_targets, .dtb.o, .dtb.S .dtb) \ + $(call intermediate_targets, .dtbo.o, .dtbo.S .dtbo) \ $(call intermediate_targets, .lex.o, .lex.c) \ $(call intermediate_targets, .tab.o, .tab.c .tab.h) diff --git a/scripts/Makefile.clang b/scripts/Makefile.clang index 87285b76adb2..9076cc939e87 100644 --- a/scripts/Makefile.clang +++ b/scripts/Makefile.clang @@ -13,15 +13,11 @@ CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu CLANG_TARGET_FLAGS_um := $(CLANG_TARGET_FLAGS_$(SUBARCH)) CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(SRCARCH)) -ifeq ($(CROSS_COMPILE),) ifeq ($(CLANG_TARGET_FLAGS),) -$(error Specify CROSS_COMPILE or add '--target=' option to scripts/Makefile.clang) +$(error add '--target=' option to scripts/Makefile.clang) else CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) -endif # CLANG_TARGET_FLAGS -else -CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) -endif # CROSS_COMPILE +endif ifeq ($(LLVM_IAS),0) CLANG_FLAGS += -fno-integrated-as @@ -36,6 +32,8 @@ endif # so they can be implemented or wrapped in cc-option. CLANG_FLAGS += -Werror=unknown-warning-option CLANG_FLAGS += -Werror=ignored-optimization-argument +CLANG_FLAGS += -Werror=option-ignored +CLANG_FLAGS += -Werror=unused-command-line-argument KBUILD_CFLAGS += $(CLANG_FLAGS) KBUILD_AFLAGS += $(CLANG_FLAGS) export CLANG_FLAGS diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean index 878cec648959..3649900696dd 100644 --- a/scripts/Makefile.clean +++ b/scripts/Makefile.clean @@ -9,10 +9,7 @@ PHONY := __clean __clean: include $(srctree)/scripts/Kbuild.include - -# The filename Kbuild has precedence over Makefile -kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) -include $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile) +include $(kbuild-file) # Figure out what we need to build from the various variables # ========================================================================== diff --git a/scripts/Makefile.compiler b/scripts/Makefile.compiler index 20d353dcabfb..7aa1fbc4aafe 100644 --- a/scripts/Makefile.compiler +++ b/scripts/Makefile.compiler @@ -29,16 +29,16 @@ try-run = $(shell set -e; \ fi) # as-option -# Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,) +# Usage: aflags-y += $(call as-option,-Wa$(comma)-isa=foo,) as-option = $(call try-run,\ - $(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2)) + $(CC) -Werror $(KBUILD_AFLAGS) $(1) -c -x assembler-with-cpp /dev/null -o "$$TMP",$(1),$(2)) # as-instr -# Usage: cflags-y += $(call as-instr,instr,option1,option2) +# Usage: aflags-y += $(call as-instr,instr,option1,option2) as-instr = $(call try-run,\ - printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3)) + printf "%b\n" "$(1)" | $(CC) -Werror $(KBUILD_AFLAGS) -c -x assembler-with-cpp -o "$$TMP" -,$(2),$(3)) # __cc-option # Usage: MY_CFLAGS += $(call __cc-option,$(CC),$(MY_CFLAGS),-march=winchip-c6,-march=i586) @@ -63,11 +63,11 @@ cc-disable-warning = $(call try-run,\ # gcc-min-version # Usage: cflags-$(call gcc-min-version, 70100) += -foo -gcc-min-version = $(shell [ $(CONFIG_GCC_VERSION)0 -ge $(1)0 ] && echo y) +gcc-min-version = $(call test-ge, $(CONFIG_GCC_VERSION), $1) # clang-min-version # Usage: cflags-$(call clang-min-version, 110000) += -foo -clang-min-version = $(shell [ $(CONFIG_CLANG_VERSION)0 -ge $(1)0 ] && echo y) +clang-min-version = $(call test-ge, $(CONFIG_CLANG_VERSION), $1) # ld-option # Usage: KBUILD_LDFLAGS += $(call ld-option, -X, -Y) diff --git a/scripts/Makefile.debug b/scripts/Makefile.debug index 332c486f705f..059ff38fe0cb 100644 --- a/scripts/Makefile.debug +++ b/scripts/Makefile.debug @@ -27,10 +27,14 @@ else DEBUG_RUSTFLAGS += -Cdebuginfo=2 endif -ifdef CONFIG_DEBUG_INFO_COMPRESSED +ifdef CONFIG_DEBUG_INFO_COMPRESSED_ZLIB DEBUG_CFLAGS += -gz=zlib KBUILD_AFLAGS += -gz=zlib KBUILD_LDFLAGS += --compress-debug-sections=zlib +else ifdef CONFIG_DEBUG_INFO_COMPRESSED_ZSTD +DEBUG_CFLAGS += -gz=zstd +KBUILD_AFLAGS += -gz=zstd +KBUILD_LDFLAGS += --compress-debug-sections=zstd endif KBUILD_CFLAGS += $(DEBUG_CFLAGS) diff --git a/scripts/Makefile.defconf b/scripts/Makefile.defconf new file mode 100644 index 000000000000..ab271b2051a2 --- /dev/null +++ b/scripts/Makefile.defconf @@ -0,0 +1,29 @@ +# SPDX-License-Identifier: GPL-2.0 +# Configuration heplers + +# Creates 'merged defconfigs' +# --------------------------------------------------------------------------- +# Usage: +# $(call merge_into_defconfig,base_config,config_fragment1 config_fragment2 ...) +# +# Input config fragments without '.config' suffix +define merge_into_defconfig + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ + -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \ + $(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config) + +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig +endef + + +# Creates 'merged defconfigs without warning about overrides' +# --------------------------------------------------------------------------- +# Usage: +# $(call merge_into_defconfig_override,base_config,config_fragment1 config_fragment2 ...) +# +# Input config fragments without '.config' suffix +define merge_into_defconfig_override + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ + -Q -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \ + $(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config) + +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig +endef diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst index 190d781e84f4..2ab936e4179d 100644 --- a/scripts/Makefile.dtbinst +++ b/scripts/Makefile.dtbinst @@ -15,7 +15,7 @@ __dtbs_install: include include/config/auto.conf include $(srctree)/scripts/Kbuild.include -include $(src)/Makefile +include $(kbuild-file) dtbs := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-))) subdirs := $(addprefix $(obj)/, $(subdir-y) $(subdir-m)) diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 6bbba36c5969..40cd13eca82e 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -38,6 +38,7 @@ KBUILD_CFLAGS += -Wno-sign-compare KBUILD_CFLAGS += -Wno-type-limits KBUILD_CFLAGS += -Wno-shift-negative-value +KBUILD_CPPFLAGS += -Wundef KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN1 else diff --git a/scripts/Makefile.host b/scripts/Makefile.host index da133780b751..7aea9005e497 100644 --- a/scripts/Makefile.host +++ b/scripts/Makefile.host @@ -80,25 +80,24 @@ host-rust := $(addprefix $(obj)/,$(host-rust)) ##### # Handle options to gcc. Support building with separate output directory -_hostc_flags = $(KBUILD_HOSTCFLAGS) $(HOST_EXTRACFLAGS) \ +hostc_flags = -Wp,-MMD,$(depfile) \ + $(KBUILD_HOSTCFLAGS) $(HOST_EXTRACFLAGS) \ $(HOSTCFLAGS_$(target-stem).o) -_hostcxx_flags = $(KBUILD_HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \ +hostcxx_flags = -Wp,-MMD,$(depfile) \ + $(KBUILD_HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \ $(HOSTCXXFLAGS_$(target-stem).o) -_hostrust_flags = $(KBUILD_HOSTRUSTFLAGS) $(HOST_EXTRARUSTFLAGS) \ - $(HOSTRUSTFLAGS_$(target-stem)) +hostrust_flags = --emit=dep-info=$(depfile) \ + $(KBUILD_HOSTRUSTFLAGS) $(HOST_EXTRARUSTFLAGS) \ + $(HOSTRUSTFLAGS_$(target-stem)) # $(objtree)/$(obj) for including generated headers from checkin source files ifeq ($(KBUILD_EXTMOD),) ifdef building_out_of_srctree -_hostc_flags += -I $(objtree)/$(obj) -_hostcxx_flags += -I $(objtree)/$(obj) +hostc_flags += -I $(objtree)/$(obj) +hostcxx_flags += -I $(objtree)/$(obj) endif endif -hostc_flags = -Wp,-MMD,$(depfile) $(_hostc_flags) -hostcxx_flags = -Wp,-MMD,$(depfile) $(_hostcxx_flags) -hostrust_flags = $(_hostrust_flags) - ##### # Compile programs on the host @@ -149,10 +148,7 @@ $(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE # host-rust -> Executable quiet_cmd_host-rust = HOSTRUSTC $@ cmd_host-rust = \ - $(HOSTRUSTC) $(hostrust_flags) --emit=dep-info,link \ - --out-dir=$(obj)/ $<; \ - mv $(obj)/$(target-stem).d $(depfile); \ - sed -i '/^\#/d' $(depfile) + $(HOSTRUSTC) $(hostrust_flags) --emit=link=$@ $< $(host-rust): $(obj)/%: $(src)/%.rs FORCE $(call if_changed_dep,host-rust) diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan index b9e94c5e7097..390658a2d5b7 100644 --- a/scripts/Makefile.kasan +++ b/scripts/Makefile.kasan @@ -1,5 +1,14 @@ # SPDX-License-Identifier: GPL-2.0 + +ifdef CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX +# Safe for compiler to generate meminstrinsic calls in uninstrumented files. +CFLAGS_KASAN_NOSANITIZE := +else +# Don't let compiler generate memintrinsic calls in uninstrumented files +# because they are instrumented. CFLAGS_KASAN_NOSANITIZE := -fno-builtin +endif + KASAN_SHADOW_OFFSET ?= $(CONFIG_KASAN_SHADOW_OFFSET) cc-param = $(call cc-option, -mllvm -$(1), $(call cc-option, --param $(1))) @@ -38,6 +47,11 @@ endif CFLAGS_KASAN += $(call cc-param,asan-stack=$(stack_enable)) +# Instrument memcpy/memset/memmove calls by using instrumented __asan_mem*() +# instead. With compilers that don't support this option, compiler-inserted +# memintrinsics won't be checked by KASAN on GENERIC_ENTRY architectures. +CFLAGS_KASAN += $(call cc-param,asan-kernel-mem-intrinsic-prefix=1) + endif # CONFIG_KASAN_GENERIC ifdef CONFIG_KASAN_SW_TAGS @@ -54,6 +68,11 @@ CFLAGS_KASAN := -fsanitize=kernel-hwaddress \ $(call cc-param,hwasan-inline-all-checks=0) \ $(instrumentation_flags) +# Instrument memcpy/memset/memmove calls by using instrumented __hwasan_mem*(). +ifeq ($(call clang-min-version, 150000)$(call gcc-min-version, 130000),y) +CFLAGS_KASAN += $(call cc-param,hwasan-kernel-mem-intrinsic-prefix=1) +endif + endif # CONFIG_KASAN_SW_TAGS export CFLAGS_KASAN CFLAGS_KASAN_NOSANITIZE diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 3aa384cec76b..100a386fcd71 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -254,8 +254,13 @@ objtool := $(objtree)/tools/objtool/objtool objtool-args-$(CONFIG_HAVE_JUMP_LABEL_HACK) += --hacks=jump_label objtool-args-$(CONFIG_HAVE_NOINSTR_HACK) += --hacks=noinstr +objtool-args-$(CONFIG_CALL_DEPTH_TRACKING) += --hacks=skylake objtool-args-$(CONFIG_X86_KERNEL_IBT) += --ibt +objtool-args-$(CONFIG_FINEIBT) += --cfi objtool-args-$(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL) += --mcount +ifdef CONFIG_FTRACE_MCOUNT_USE_OBJTOOL +objtool-args-$(CONFIG_HAVE_OBJTOOL_NOP_MCOUNT) += --mnop +endif objtool-args-$(CONFIG_UNWINDER_ORC) += --orc objtool-args-$(CONFIG_RETPOLINE) += --retpoline objtool-args-$(CONFIG_RETHUNK) += --rethunk @@ -264,6 +269,7 @@ objtool-args-$(CONFIG_STACK_VALIDATION) += --stackval objtool-args-$(CONFIG_HAVE_STATIC_CALL_INLINE) += --static-call objtool-args-$(CONFIG_HAVE_UACCESS_VALIDATION) += --uaccess objtool-args-$(CONFIG_GCOV_KERNEL) += --no-unreachable +objtool-args-$(CONFIG_PREFIX_SYMBOLS) += --prefix=$(CONFIG_FUNCTION_PADDING_BYTES) objtool-args = $(objtool-args-y) \ $(if $(delay-objtool), --link) \ @@ -334,7 +340,8 @@ quiet_cmd_gzip = GZIP $@ # DTC # --------------------------------------------------------------------------- DTC ?= $(objtree)/scripts/dtc/dtc -DTC_FLAGS += -Wno-interrupt_provider +DTC_FLAGS += -Wno-interrupt_provider \ + -Wno-unique_unit_address # Disable noisy checks by default ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),) @@ -342,14 +349,17 @@ DTC_FLAGS += -Wno-unit_address_vs_reg \ -Wno-avoid_unnecessary_addr_size \ -Wno-alias_paths \ -Wno-graph_child_address \ - -Wno-simple_bus_reg \ - -Wno-unique_unit_address + -Wno-simple_bus_reg +else +DTC_FLAGS += \ + -Wunique_unit_address_if_enabled endif ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),) DTC_FLAGS += -Wnode_name_chars_strict \ -Wproperty_name_chars_strict \ - -Winterrupt_provider + -Winterrupt_provider \ + -Wunique_unit_address endif DTC_FLAGS += $(DTC_FLAGS_$(basetarget)) @@ -358,22 +368,25 @@ DTC_FLAGS += $(DTC_FLAGS_$(basetarget)) DTC_FLAGS += $(if $(filter $(patsubst $(obj)/%,%,$@), $(base-dtb-y)), -@) # Generate an assembly file to wrap the output of the device tree compiler -quiet_cmd_dt_S_dtb= DTB $@ -cmd_dt_S_dtb= \ -{ \ - echo '\#include <asm-generic/vmlinux.lds.h>'; \ - echo '.section .dtb.init.rodata,"a"'; \ - echo '.balign STRUCT_ALIGNMENT'; \ - echo '.global __dtb_$(subst -,_,$(*F))_begin'; \ - echo '__dtb_$(subst -,_,$(*F))_begin:'; \ - echo '.incbin "$<" '; \ - echo '__dtb_$(subst -,_,$(*F))_end:'; \ - echo '.global __dtb_$(subst -,_,$(*F))_end'; \ - echo '.balign STRUCT_ALIGNMENT'; \ -} > $@ +quiet_cmd_wrap_S_dtb = WRAP $@ + cmd_wrap_S_dtb = { \ + symbase=__$(patsubst .%,%,$(suffix $<))_$(subst -,_,$(notdir $*)); \ + echo '\#include <asm-generic/vmlinux.lds.h>'; \ + echo '.section .dtb.init.rodata,"a"'; \ + echo '.balign STRUCT_ALIGNMENT'; \ + echo ".global $${symbase}_begin"; \ + echo "$${symbase}_begin:"; \ + echo '.incbin "$<" '; \ + echo ".global $${symbase}_end"; \ + echo "$${symbase}_end:"; \ + echo '.balign STRUCT_ALIGNMENT'; \ + } > $@ $(obj)/%.dtb.S: $(obj)/%.dtb FORCE - $(call if_changed,dt_S_dtb) + $(call if_changed,wrap_S_dtb) + +$(obj)/%.dtbo.S: $(obj)/%.dtbo FORCE + $(call if_changed,wrap_S_dtb) quiet_cmd_dtc = DTC $@ cmd_dtc = $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ @@ -408,6 +421,9 @@ $(obj)/%.dtb: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE $(obj)/%.dtbo: $(src)/%.dts $(DTC) FORCE $(call if_changed_dep,dtc) +$(obj)/%.dtbo: $(src)/%.dtso $(DTC) FORCE + $(call if_changed_dep,dtc) + dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) # Bzip2 diff --git a/scripts/Makefile.modfinal b/scripts/Makefile.modfinal index 25bedd83644b..4703f652c009 100644 --- a/scripts/Makefile.modfinal +++ b/scripts/Makefile.modfinal @@ -13,9 +13,9 @@ include $(srctree)/scripts/Kbuild.include include $(srctree)/scripts/Makefile.lib # find all modules listed in modules.order -modules := $(sort $(shell cat $(MODORDER))) +modules := $(call read-file, $(MODORDER)) -__modfinal: $(modules) +__modfinal: $(modules:%.o=%.ko) @: # modname and part-of-module are set to make c_flags define proper module flags @@ -54,16 +54,16 @@ newer_prereqs_except = $(filter-out $(PHONY) $(1),$?) # Same as if_changed, but allows to exclude specified extra dependencies if_changed_except = $(if $(call newer_prereqs_except,$(2))$(cmd-check), \ $(cmd); \ - printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:) + printf '%s\n' 'savedcmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:) # Re-generate module BTFs if either module's .ko or vmlinux changed -$(modules): %.ko: %.o %.mod.o scripts/module.lds $(and $(CONFIG_DEBUG_INFO_BTF_MODULES),$(KBUILD_BUILTIN),vmlinux) FORCE +%.ko: %.o %.mod.o scripts/module.lds $(and $(CONFIG_DEBUG_INFO_BTF_MODULES),$(KBUILD_BUILTIN),vmlinux) FORCE +$(call if_changed_except,ld_ko_o,vmlinux) ifdef CONFIG_DEBUG_INFO_BTF_MODULES +$(if $(newer-prereqs),$(call cmd,btf_ko)) endif -targets += $(modules) $(modules:.ko=.mod.o) +targets += $(modules:%.o=%.ko) $(modules:%.o=%.mod.o) # Add FORCE to the prequisites of a target to force it to be always rebuilt. # --------------------------------------------------------------------------- diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst index a4c987c23750..ab0c5bd1a60f 100644 --- a/scripts/Makefile.modinst +++ b/scripts/Makefile.modinst @@ -9,12 +9,12 @@ __modinst: include include/config/auto.conf include $(srctree)/scripts/Kbuild.include -modules := $(sort $(shell cat $(MODORDER))) +modules := $(call read-file, $(MODORDER)) ifeq ($(KBUILD_EXTMOD),) dst := $(MODLIB)/kernel else -INSTALL_MOD_DIR ?= extra +INSTALL_MOD_DIR ?= updates dst := $(MODLIB)/$(INSTALL_MOD_DIR) endif @@ -26,7 +26,7 @@ suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zst -modules := $(patsubst $(extmod_prefix)%, $(dst)/%$(suffix-y), $(modules)) +modules := $(patsubst $(extmod_prefix)%.o, $(dst)/%.ko$(suffix-y), $(modules)) __modinst: $(modules) @: @@ -66,9 +66,13 @@ endif # Don't stop modules_install even if we can't sign external modules. # ifeq ($(CONFIG_MODULE_SIG_ALL),y) +ifeq ($(filter pkcs11:%, $(CONFIG_MODULE_SIG_KEY)),) sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG_KEY)),,$(srctree)/)$(CONFIG_MODULE_SIG_KEY) +else +sig-key := $(CONFIG_MODULE_SIG_KEY) +endif quiet_cmd_sign = SIGN $@ - cmd_sign = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(sig-key) certs/signing_key.x509 $@ \ + cmd_sign = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) "$(sig-key)" certs/signing_key.x509 $@ \ $(if $(KBUILD_EXTMOD),|| true) else quiet_cmd_sign := diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost index e41dee64d429..0980c58d8afc 100644 --- a/scripts/Makefile.modpost +++ b/scripts/Makefile.modpost @@ -38,19 +38,31 @@ __modpost: include include/config/auto.conf include $(srctree)/scripts/Kbuild.include +MODPOST = scripts/mod/modpost + modpost-args = \ $(if $(CONFIG_MODVERSIONS),-m) \ $(if $(CONFIG_MODULE_SRCVERSION_ALL),-a) \ $(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E) \ + $(if $(KBUILD_MODPOST_WARN),-w) \ $(if $(KBUILD_NSDEPS),-d $(MODULES_NSDEPS)) \ $(if $(CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS)$(KBUILD_NSDEPS),-N) \ -o $@ +modpost-deps := $(MODPOST) + # 'make -i -k' ignores compile errors, and builds as many modules as possible. ifneq ($(findstring i,$(filter-out --%,$(MAKEFLAGS))),) modpost-args += -n endif +# Read out modules.order to pass in modpost. +# Otherwise, allmodconfig would fail with "Argument list too long". +ifdef KBUILD_MODULES +modpost-args += -T $(MODORDER) +modpost-deps += $(MODORDER) +endif + ifeq ($(KBUILD_EXTMOD),) # Generate the list of in-tree objects in vmlinux @@ -78,12 +90,13 @@ targets += .vmlinux.objs .vmlinux.objs: vmlinux.a $(KBUILD_VMLINUX_LIBS) FORCE $(call if_changed,vmlinux_objs) -vmlinux.o-if-present := $(wildcard vmlinux.o) -output-symdump := vmlinux.symvers - -ifdef KBUILD_MODULES -output-symdump := $(if $(vmlinux.o-if-present), Module.symvers, modules-only.symvers) -missing-input := $(filter-out $(vmlinux.o-if-present),vmlinux.o) +ifeq ($(wildcard vmlinux.o),) +missing-input := vmlinux.o +output-symdump := modules-only.symvers +else +modpost-args += vmlinux.o +modpost-deps += vmlinux.o +output-symdump := $(if $(KBUILD_MODULES), Module.symvers, vmlinux.symvers) endif else @@ -93,36 +106,33 @@ obj := $(KBUILD_EXTMOD) src := $(obj) # Include the module's Makefile to find KBUILD_EXTRA_SYMBOLS -include $(or $(wildcard $(src)/Kbuild), $(src)/Makefile) +include $(kbuild-file) -module.symvers-if-present := $(wildcard Module.symvers) output-symdump := $(KBUILD_EXTMOD)/Module.symvers -missing-input := $(filter-out $(module.symvers-if-present), Module.symvers) - -modpost-args += -e $(addprefix -i ,$(module.symvers-if-present) $(KBUILD_EXTRA_SYMBOLS)) -endif # ($(KBUILD_EXTMOD),) - -ifneq ($(KBUILD_MODPOST_WARN)$(missing-input),) -modpost-args += -w +ifeq ($(wildcard Module.symvers),) +missing-input := Module.symvers +else +modpost-args += -i Module.symvers +modpost-deps += Module.symvers endif -modorder-if-needed := $(if $(KBUILD_MODULES), $(MODORDER)) +modpost-args += -e $(addprefix -i , $(KBUILD_EXTRA_SYMBOLS)) -MODPOST = scripts/mod/modpost +endif # ($(KBUILD_EXTMOD),) -# Read out modules.order to pass in modpost. -# Otherwise, allmodconfig would fail with "Argument list too long". quiet_cmd_modpost = MODPOST $@ cmd_modpost = \ $(if $(missing-input), \ echo >&2 "WARNING: $(missing-input) is missing."; \ echo >&2 " Modules may not have dependencies or modversions."; \ - echo >&2 " You may get many unresolved symbol warnings.";) \ - sed 's/ko$$/o/' $(or $(modorder-if-needed), /dev/null) | $(MODPOST) $(modpost-args) -T - $(vmlinux.o-if-present) + echo >&2 " You may get many unresolved symbol errors."; \ + echo >&2 " You can set KBUILD_MODPOST_WARN=1 to turn errors into warning"; \ + echo >&2 " if you want to proceed at your own risk.";) \ + $(MODPOST) $(modpost-args) targets += $(output-symdump) -$(output-symdump): $(modorder-if-needed) $(vmlinux.o-if-present) $(module.symvers-if-present) $(MODPOST) FORCE +$(output-symdump): $(modpost-deps) FORCE $(call if_changed,modpost) __modpost: $(output-symdump) diff --git a/scripts/Makefile.package b/scripts/Makefile.package index 8bbcced67c22..92dbc889bd7c 100644 --- a/scripts/Makefile.package +++ b/scripts/Makefile.package @@ -2,37 +2,14 @@ # Makefile for the different targets used to generate full packages of a kernel include $(srctree)/scripts/Kbuild.include +include $(srctree)/scripts/Makefile.lib -# RPM target -# --------------------------------------------------------------------------- -# The rpm target generates two rpm files: -# /usr/src/packages/SRPMS/kernel-2.6.7rc2-1.src.rpm -# /usr/src/packages/RPMS/i386/kernel-2.6.7rc2-1.<arch>.rpm -# The src.rpm files includes all source for the kernel being built -# The <arch>.rpm includes kernel configuration, modules etc. -# -# Process to create the rpm files -# a) clean the kernel -# b) Generate .spec file -# c) Build a tar ball, using symlink to make kernel version -# first entry in the path -# d) and pack the result to a tar.gz file -# e) generate the rpm files, based on kernel.spec -# - Use /. to avoid tar packing just the symlink - -# Note that the rpm-pkg target cannot be used with KBUILD_OUTPUT, -# but the binrpm-pkg target can; for some reason O= gets ignored. - -# Remove hyphens since they have special meaning in RPM filenames KERNELPATH := kernel-$(subst -,_,$(KERNELRELEASE)) -KDEB_SOURCENAME ?= linux-upstream -KBUILD_PKG_ROOTCMD ?="fakeroot -u" -export KDEB_SOURCENAME # Include only those top-level files that are needed by make, plus the GPL copy TAR_CONTENT := Documentation LICENSES arch block certs crypto drivers fs \ - include init io_uring ipc kernel lib mm net samples scripts \ - security sound tools usr virt \ - .config .scmversion Makefile \ + include init io_uring ipc kernel lib mm net rust \ + samples scripts security sound tools usr virt \ + .config Makefile \ Kbuild Kconfig COPYING $(wildcard localversion*) MKSPEC := $(srctree)/scripts/package/mkspec @@ -42,26 +19,69 @@ if test "$(objtree)" != "$(srctree)"; then \ echo >&2; \ echo >&2 " ERROR:"; \ echo >&2 " Building source tarball is not possible outside the"; \ - echo >&2 " kernel source tree. Don't set KBUILD_OUTPUT, or use the"; \ - echo >&2 " binrpm-pkg or bindeb-pkg target instead."; \ + echo >&2 " kernel source tree. Don't set KBUILD_OUTPUT"; \ echo >&2; \ false; \ fi ; \ -$(srctree)/scripts/setlocalversion --save-scmversion; \ tar -I $(KGZIP) -c $(RCS_TAR_IGNORE) -f $(2).tar.gz \ - --transform 's:^:$(2)/:S' $(TAR_CONTENT) $(3); \ -rm -f $(objtree)/.scmversion + --transform 's:^:$(2)/:S' $(TAR_CONTENT) $(3) + +# Git +# --------------------------------------------------------------------------- + +filechk_HEAD = git -C $(srctree) rev-parse --verify HEAD 2>/dev/null + +.tmp_HEAD: check-git FORCE + $(call filechk,HEAD) + +PHONY += check-git +check-git: + @if ! $(srctree)/scripts/check-git; then \ + echo >&2 "error: creating source package requires git repository"; \ + false; \ + fi + +git-config-tar.gz = -c tar.tar.gz.command="$(KGZIP)" +git-config-tar.bz2 = -c tar.tar.bz2.command="$(KBZIP2)" +git-config-tar.lzma = -c tar.tar.lzma.command="$(LZMA)" +git-config-tar.xz = -c tar.tar.xz.command="$(XZ)" +git-config-tar.zst = -c tar.tar.zst.command="$(ZSTD)" + +quiet_cmd_archive = ARCHIVE $@ + cmd_archive = git -C $(srctree) $(git-config-tar$(suffix $@)) archive \ + --output=$$(realpath $@) $(archive-args) + +suffix-gzip := .gz +suffix-bzip2 := .bz2 +suffix-lzma := .lzma +suffix-xz := .xz + +# Linux source tarball +# --------------------------------------------------------------------------- + +linux-tarballs := $(addprefix linux, .tar.gz .tar.bz2 .tar.lzma .tar.xz) + +targets += $(linux-tarballs) +$(linux-tarballs): archive-args = --prefix=linux/ $$(cat $<) +$(linux-tarballs): .tmp_HEAD FORCE + $(call if_changed,archive) # rpm-pkg # --------------------------------------------------------------------------- PHONY += rpm-pkg -rpm-pkg: - $(MAKE) clean - $(CONFIG_SHELL) $(MKSPEC) >$(objtree)/kernel.spec - $(call cmd,src_tar,$(KERNELPATH),kernel.spec) - +rpmbuild $(RPMOPTS) --target $(UTS_MACHINE)-linux -ta $(KERNELPATH).tar.gz \ +rpm-pkg: srpm = $(shell rpmspec --srpm --query --queryformat='%{name}-%{VERSION}-%{RELEASE}.src.rpm' kernel.spec) +rpm-pkg: srcrpm-pkg + +rpmbuild $(RPMOPTS) --target $(UTS_MACHINE)-linux -rb $(srpm) \ --define='_smp_mflags %{nil}' +# srcrpm-pkg +# --------------------------------------------------------------------------- +PHONY += srcrpm-pkg +srcrpm-pkg: linux.tar.gz + $(CONFIG_SHELL) $(MKSPEC) >$(objtree)/kernel.spec + +rpmbuild $(RPMOPTS) --target $(UTS_MACHINE)-linux -bs kernel.spec \ + --define='_smp_mflags %{nil}' --define='_sourcedir rpmbuild/SOURCES' --define='_srcrpmdir .' + # binrpm-pkg # --------------------------------------------------------------------------- PHONY += binrpm-pkg @@ -71,19 +91,59 @@ binrpm-pkg: +rpmbuild $(RPMOPTS) --define "_builddir $(objtree)" --target \ $(UTS_MACHINE)-linux -bb $(objtree)/binkernel.spec -PHONY += deb-pkg -deb-pkg: - $(MAKE) clean - $(CONFIG_SHELL) $(srctree)/scripts/package/mkdebian - $(call cmd,src_tar,$(KDEB_SOURCENAME)) - origversion=$$(dpkg-parsechangelog -SVersion |sed 's/-[^-]*$$//');\ - mv $(KDEB_SOURCENAME).tar.gz ../$(KDEB_SOURCENAME)_$${origversion}.orig.tar.gz - +dpkg-buildpackage -r$(KBUILD_PKG_ROOTCMD) -a$$(cat debian/arch) $(DPKG_FLAGS) -i.git -us -uc +# deb-pkg srcdeb-pkg bindeb-pkg +# --------------------------------------------------------------------------- + +KDEB_SOURCE_COMPRESS ?= gzip + +supported-deb-source-compress := gzip bzip2 lzma xz + +PHONY += linux.tar.unsupported-deb-src-compress +linux.tar.unsupported-deb-src-compress: + @echo "error: KDEB_SOURCE_COMPRESS=$(KDEB_SOURCE_COMPRESS) is not supported. The supported values are: $(supported-deb-source-compress)" >&2 + @false + +debian-orig-suffix := \ + $(strip $(if $(filter $(supported-deb-source-compress), $(KDEB_SOURCE_COMPRESS)), \ + $(suffix-$(KDEB_SOURCE_COMPRESS)),.unsupported-deb-src-compress)) + +quiet_cmd_debianize = GEN $@ + cmd_debianize = $(srctree)/scripts/package/mkdebian $(mkdebian-opts) + +debian: FORCE + $(call cmd,debianize) -PHONY += bindeb-pkg -bindeb-pkg: - $(CONFIG_SHELL) $(srctree)/scripts/package/mkdebian - +dpkg-buildpackage -r$(KBUILD_PKG_ROOTCMD) -a$$(cat debian/arch) $(DPKG_FLAGS) -b -nc -uc +PHONY += debian-orig +debian-orig: private source = $(shell dpkg-parsechangelog -S Source) +debian-orig: private version = $(shell dpkg-parsechangelog -S Version | sed 's/-[^-]*$$//') +debian-orig: private orig-name = $(source)_$(version).orig.tar$(debian-orig-suffix) +debian-orig: mkdebian-opts = --need-source +debian-orig: linux.tar$(debian-orig-suffix) debian + $(Q)if [ "$(df --output=target .. 2>/dev/null)" = "$(df --output=target $< 2>/dev/null)" ]; then \ + ln -f $< ../$(orig-name); \ + else \ + cp $< ../$(orig-name); \ + fi + +KBUILD_PKG_ROOTCMD ?= 'fakeroot -u' + +PHONY += deb-pkg srcdeb-pkg bindeb-pkg + +deb-pkg: private build-type := source,binary +srcdeb-pkg: private build-type := source +bindeb-pkg: private build-type := binary + +deb-pkg srcdeb-pkg: debian-orig +bindeb-pkg: debian +deb-pkg srcdeb-pkg bindeb-pkg: + +$(strip dpkg-buildpackage \ + --build=$(build-type) --no-pre-clean --unsigned-changes \ + $(if $(findstring source, $(build-type)), \ + --unsigned-source --compression=$(KDEB_SOURCE_COMPRESS)) \ + $(if $(findstring binary, $(build-type)), \ + -r$(KBUILD_PKG_ROOTCMD) -a$$(cat debian/arch), \ + --no-check-builddeps) \ + $(DPKG_FLAGS)) PHONY += intdeb-pkg intdeb-pkg: @@ -104,52 +164,83 @@ snap-pkg: cd $(objtree)/snap && \ snapcraft --target-arch=$(UTS_MACHINE) -# tarball targets +# dir-pkg tar*-pkg - tarball targets # --------------------------------------------------------------------------- -tar-pkgs := dir-pkg tar-pkg targz-pkg tarbz2-pkg tarxz-pkg tarzst-pkg -PHONY += $(tar-pkgs) -$(tar-pkgs): - $(MAKE) -f $(srctree)/Makefile - +$(CONFIG_SHELL) $(srctree)/scripts/package/buildtar $@ -# perf-pkg - generate a source tarball with perf source +tar-install: FORCE + $(Q)$(MAKE) -f $(srctree)/Makefile + +$(Q)$(srctree)/scripts/package/buildtar $@ + +compress-tar.gz = -I "$(KGZIP)" +compress-tar.bz2 = -I "$(KBZIP2)" +compress-tar.xz = -I "$(XZ)" +compress-tar.zst = -I "$(ZSTD)" + +quiet_cmd_tar = TAR $@ + cmd_tar = cd $<; tar cf ../$@ $(compress-tar$(suffix $@)) --owner=root --group=root --sort=name * + +dir-tarballs := $(addprefix linux-$(KERNELRELEASE)-$(ARCH), .tar .tar.gz .tar.bz2 .tar.xz .tar.zst) + +$(dir-tarballs): tar-install + $(call cmd,tar) + +PHONY += dir-pkg +dir-pkg: tar-install + @echo "Kernel tree successfully created in $<" + +PHONY += tar-pkg +tar-pkg: linux-$(KERNELRELEASE)-$(ARCH).tar + @: + +tar%-pkg: linux-$(KERNELRELEASE)-$(ARCH).tar.% FORCE + @: + +# perf-tar*-src-pkg - generate a source tarball with perf source # --------------------------------------------------------------------------- -perf-tar=perf-$(KERNELVERSION) - -quiet_cmd_perf_tar = TAR - cmd_perf_tar = \ -git --git-dir=$(srctree)/.git archive --prefix=$(perf-tar)/ \ - HEAD^{tree} $$(cd $(srctree); \ - echo $$(cat tools/perf/MANIFEST)) \ - -o $(perf-tar).tar; \ -mkdir -p $(perf-tar); \ -git --git-dir=$(srctree)/.git rev-parse HEAD > $(perf-tar)/HEAD; \ -(cd $(srctree)/tools/perf; \ -util/PERF-VERSION-GEN $(CURDIR)/$(perf-tar)/); \ -tar rf $(perf-tar).tar $(perf-tar)/HEAD $(perf-tar)/PERF-VERSION-FILE; \ -rm -r $(perf-tar); \ -$(if $(findstring tar-src,$@),, \ -$(if $(findstring bz2,$@),$(KBZIP2), \ -$(if $(findstring gz,$@),$(KGZIP), \ -$(if $(findstring xz,$@),$(XZ), \ -$(if $(findstring zst,$@),$(ZSTD), \ -$(error unknown target $@))))) \ - -f -9 $(perf-tar).tar) - -perf-tar-pkgs := perf-tar-src-pkg perf-targz-src-pkg perf-tarbz2-src-pkg \ - perf-tarxz-src-pkg perf-tarzst-src-pkg -PHONY += $(perf-tar-pkgs) -$(perf-tar-pkgs): - $(call cmd,perf_tar) +.tmp_perf: + $(Q)mkdir .tmp_perf + +.tmp_perf/HEAD: .tmp_HEAD | .tmp_perf + $(call cmd,copy) + +quiet_cmd_perf_version_file = GEN $@ + cmd_perf_version_file = cd $(srctree)/tools/perf; util/PERF-VERSION-GEN $(dir $(abspath $@)) + +# PERF-VERSION-FILE and .tmp_HEAD are independent, but this avoids updating the +# timestamp of PERF-VERSION-FILE. +# The best is to fix tools/perf/util/PERF-VERSION-GEN. +.tmp_perf/PERF-VERSION-FILE: .tmp_HEAD $(srctree)/tools/perf/util/PERF-VERSION-GEN | .tmp_perf + $(call cmd,perf_version_file) + +perf-archive-args = --add-file=$$(realpath $(word 2, $^)) \ + --add-file=$$(realpath $(word 3, $^)) \ + $$(cat $(word 2, $^))^{tree} $$(cat $<) + + +perf-tarballs := $(addprefix perf-$(KERNELVERSION), .tar .tar.gz .tar.bz2 .tar.xz .tar.zst) + +targets += $(perf-tarballs) +$(perf-tarballs): archive-args = --prefix=perf-$(KERNELVERSION)/ $(perf-archive-args) +$(perf-tarballs): tools/perf/MANIFEST .tmp_perf/HEAD .tmp_perf/PERF-VERSION-FILE FORCE + $(call if_changed,archive) + +PHONY += perf-tar-src-pkg +perf-tar-src-pkg: perf-$(KERNELVERSION).tar + @: + +perf-tar%-src-pkg: perf-$(KERNELVERSION).tar.% FORCE + @: # Help text displayed when executing 'make help' # --------------------------------------------------------------------------- PHONY += help help: @echo ' rpm-pkg - Build both source and binary RPM kernel packages' + @echo ' srcrpm-pkg - Build only the source kernel RPM package' @echo ' binrpm-pkg - Build only the binary kernel RPM package' @echo ' deb-pkg - Build both source and binary deb kernel packages' + @echo ' srcdeb-pkg - Build only the source kernel deb package' @echo ' bindeb-pkg - Build only the binary kernel deb package' @echo ' snap-pkg - Build only the binary kernel snap package' @echo ' (will connect to external hosts)' @@ -159,10 +250,22 @@ help: @echo ' tarbz2-pkg - Build the kernel as a bzip2 compressed tarball' @echo ' tarxz-pkg - Build the kernel as a xz compressed tarball' @echo ' tarzst-pkg - Build the kernel as a zstd compressed tarball' - @echo ' perf-tar-src-pkg - Build $(perf-tar).tar source tarball' - @echo ' perf-targz-src-pkg - Build $(perf-tar).tar.gz source tarball' - @echo ' perf-tarbz2-src-pkg - Build $(perf-tar).tar.bz2 source tarball' - @echo ' perf-tarxz-src-pkg - Build $(perf-tar).tar.xz source tarball' - @echo ' perf-tarzst-src-pkg - Build $(perf-tar).tar.zst source tarball' + @echo ' perf-tar-src-pkg - Build the perf source tarball with no compression' + @echo ' perf-targz-src-pkg - Build the perf source tarball with gzip compression' + @echo ' perf-tarbz2-src-pkg - Build the perf source tarball with bz2 compression' + @echo ' perf-tarxz-src-pkg - Build the perf source tarball with xz compression' + @echo ' perf-tarzst-src-pkg - Build the perf source tarball with zst compression' + +PHONY += FORCE +FORCE: + +# Read all saved command lines and dependencies for the $(targets) we +# may be building above, using $(if_changed{,_dep}). As an +# optimization, we don't need to read them if the target does not +# exist, we will rebuild anyway in that case. + +existing-targets := $(wildcard $(sort $(targets))) + +-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) .PHONY: $(PHONY) diff --git a/scripts/Makefile.vmlinux b/scripts/Makefile.vmlinux index 49946cb96844..10176dec97ea 100644 --- a/scripts/Makefile.vmlinux +++ b/scripts/Makefile.vmlinux @@ -18,6 +18,7 @@ quiet_cmd_cc_o_c = CC $@ $(call if_changed_dep,cc_o_c) ifdef CONFIG_MODULES +KASAN_SANITIZE_.vmlinux.export.o := n targets += .vmlinux.export.o vmlinux: .vmlinux.export.o endif diff --git a/scripts/as-version.sh b/scripts/as-version.sh index 1a21495e9ff0..af717476152d 100755 --- a/scripts/as-version.sh +++ b/scripts/as-version.sh @@ -45,7 +45,7 @@ orig_args="$@" # Get the first line of the --version output. IFS=' ' -set -- $(LC_ALL=C "$@" -Wa,--version -c -x assembler /dev/null -o /dev/null 2>/dev/null) +set -- $(LC_ALL=C "$@" -Wa,--version -c -x assembler-with-cpp /dev/null -o /dev/null 2>/dev/null) # Split the line on spaces. IFS=' ' diff --git a/scripts/asn1_compiler.c b/scripts/asn1_compiler.c index 71d4a7c87900..4c3f645065a4 100644 --- a/scripts/asn1_compiler.c +++ b/scripts/asn1_compiler.c @@ -567,8 +567,8 @@ int main(int argc, char **argv) int fd; kbuild_verbose = getenv("KBUILD_VERBOSE"); - if (kbuild_verbose) - verbose_opt = atoi(kbuild_verbose); + if (kbuild_verbose && strchr(kbuild_verbose, '1')) + verbose_opt = true; while (argc > 4) { if (strcmp(argv[1], "-v") == 0) @@ -625,7 +625,7 @@ int main(int argc, char **argv) p = strrchr(argv[1], '/'); p = p ? p + 1 : argv[1]; grammar_name = strdup(p); - if (!p) { + if (!grammar_name) { perror(NULL); exit(1); } diff --git a/scripts/atomic/atomics.tbl b/scripts/atomic/atomics.tbl index fbee2f6190d9..85ca8d9b5c27 100755..100644 --- a/scripts/atomic/atomics.tbl +++ b/scripts/atomic/atomics.tbl @@ -33,7 +33,7 @@ try_cmpxchg B v p:old i:new sub_and_test b i v dec_and_test b v inc_and_test b v -add_negative b i v +add_negative B i v add_unless fb v i:a i:u inc_not_zero b v inc_unless_negative b v diff --git a/scripts/atomic/fallbacks/add_negative b/scripts/atomic/fallbacks/add_negative index 15caa2eb2371..e5980abf5904 100755 --- a/scripts/atomic/fallbacks/add_negative +++ b/scripts/atomic/fallbacks/add_negative @@ -1,16 +1,15 @@ cat <<EOF /** - * arch_${atomic}_add_negative - add and test if negative + * arch_${atomic}_add_negative${order} - Add and test if negative * @i: integer value to add * @v: pointer of type ${atomic}_t * - * Atomically adds @i to @v and returns true - * if the result is negative, or false when - * result is greater than or equal to zero. + * Atomically adds @i to @v and returns true if the result is negative, + * or false when the result is greater than or equal to zero. */ static __always_inline bool -arch_${atomic}_add_negative(${int} i, ${atomic}_t *v) +arch_${atomic}_add_negative${order}(${int} i, ${atomic}_t *v) { - return arch_${atomic}_add_return(i, v) < 0; + return arch_${atomic}_add_return${order}(i, v) < 0; } EOF diff --git a/scripts/atomic/gen-atomic-fallback.sh b/scripts/atomic/gen-atomic-fallback.sh index 3a07695e3c89..6e853f0dad8d 100755 --- a/scripts/atomic/gen-atomic-fallback.sh +++ b/scripts/atomic/gen-atomic-fallback.sh @@ -225,6 +225,10 @@ for cmpxchg in "cmpxchg" "cmpxchg64"; do gen_try_cmpxchg_fallbacks "${cmpxchg}" done +for cmpxchg in "cmpxchg_local" "cmpxchg64_local"; do + gen_try_cmpxchg_fallback "${cmpxchg}" "" +done + grep '^[a-z]' "$1" | while read name meta args; do gen_proto "${meta}" "${name}" "atomic" "int" ${args} done diff --git a/scripts/atomic/gen-atomic-instrumented.sh b/scripts/atomic/gen-atomic-instrumented.sh index 77c06526a574..d9ffd74f73ca 100755 --- a/scripts/atomic/gen-atomic-instrumented.sh +++ b/scripts/atomic/gen-atomic-instrumented.sh @@ -104,8 +104,8 @@ cat <<EOF EOF [ -n "$kcsan_barrier" ] && printf "\t${kcsan_barrier}; \\\\\n" cat <<EOF - instrument_atomic_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\ - instrument_atomic_write(__ai_oldp, ${mult}sizeof(*__ai_oldp)); \\ + instrument_atomic_read_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\ + instrument_read_write(__ai_oldp, ${mult}sizeof(*__ai_oldp)); \\ arch_${xchg}${order}(__ai_ptr, __ai_oldp, __VA_ARGS__); \\ }) EOF @@ -119,7 +119,7 @@ cat <<EOF EOF [ -n "$kcsan_barrier" ] && printf "\t${kcsan_barrier}; \\\\\n" cat <<EOF - instrument_atomic_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\ + instrument_atomic_read_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\ arch_${xchg}${order}(__ai_ptr, __VA_ARGS__); \\ }) EOF @@ -173,7 +173,7 @@ for xchg in "xchg" "cmpxchg" "cmpxchg64" "try_cmpxchg" "try_cmpxchg64"; do done done -for xchg in "cmpxchg_local" "cmpxchg64_local" "sync_cmpxchg"; do +for xchg in "cmpxchg_local" "cmpxchg64_local" "sync_cmpxchg" "try_cmpxchg_local" "try_cmpxchg64_local" ; do gen_xchg "${xchg}" "" "" printf "\n" done diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c index 2328f9a641da..fa562806c2be 100644 --- a/scripts/basic/fixdep.c +++ b/scripts/basic/fixdep.c @@ -70,7 +70,7 @@ * * It first generates a line * - * cmd_<target> = <cmdline> + * savedcmd_<target> = <cmdline> * * and then basically copies the .<target>.d file to stdout, in the * process filtering out the dependency on autoconf.h and adding @@ -94,7 +94,7 @@ #include <unistd.h> #include <fcntl.h> #include <string.h> -#include <stdarg.h> +#include <stdbool.h> #include <stdlib.h> #include <stdio.h> #include <ctype.h> @@ -113,7 +113,7 @@ struct item { }; #define HASHSZ 256 -static struct item *hashtab[HASHSZ]; +static struct item *config_hashtab[HASHSZ], *file_hashtab[HASHSZ]; static unsigned int strhash(const char *str, unsigned int sz) { @@ -126,24 +126,10 @@ static unsigned int strhash(const char *str, unsigned int sz) } /* - * Lookup a value in the configuration string. - */ -static int is_defined_config(const char *name, int len, unsigned int hash) -{ - struct item *aux; - - for (aux = hashtab[hash % HASHSZ]; aux; aux = aux->next) { - if (aux->hash == hash && aux->len == len && - memcmp(aux->name, name, len) == 0) - return 1; - } - return 0; -} - -/* * Add a new value to the configuration string. */ -static void define_config(const char *name, int len, unsigned int hash) +static void add_to_hashtable(const char *name, int len, unsigned int hash, + struct item *hashtab[]) { struct item *aux = malloc(sizeof(*aux) + len); @@ -159,16 +145,33 @@ static void define_config(const char *name, int len, unsigned int hash) } /* + * Lookup a string in the hash table. If found, just return true. + * If not, add it to the hashtable and return false. + */ +static bool in_hashtable(const char *name, int len, struct item *hashtab[]) +{ + struct item *aux; + unsigned int hash = strhash(name, len); + + for (aux = hashtab[hash % HASHSZ]; aux; aux = aux->next) { + if (aux->hash == hash && aux->len == len && + memcmp(aux->name, name, len) == 0) + return true; + } + + add_to_hashtable(name, len, hash, hashtab); + + return false; +} + +/* * Record the use of a CONFIG_* word. */ static void use_config(const char *m, int slen) { - unsigned int hash = strhash(m, slen); - - if (is_defined_config(m, slen, hash)) - return; + if (in_hashtable(m, slen, config_hashtab)) + return; - define_config(m, slen, hash); /* Print out a dependency path from a symbol name. */ printf(" $(wildcard include/config/%.*s) \\\n", slen, m); } @@ -247,80 +250,158 @@ static int is_ignored_file(const char *s, int len) str_ends_with(s, len, "include/generated/autoksyms.h"); } +/* Do not parse these files */ +static int is_no_parse_file(const char *s, int len) +{ + /* rustc may list binary files in dep-info */ + return str_ends_with(s, len, ".rlib") || + str_ends_with(s, len, ".rmeta") || + str_ends_with(s, len, ".so"); +} + /* * Important: The below generated source_foo.o and deps_foo.o variable * assignments are parsed not only by make, but also by the rather simple * parser in scripts/mod/sumversion.c. */ -static void parse_dep_file(char *m, const char *target) +static void parse_dep_file(char *p, const char *target) { - char *p; - int is_last, is_target; - int saw_any_target = 0; - int is_first_dep = 0; - void *buf; - - while (1) { - /* Skip any "white space" */ - while (*m == ' ' || *m == '\\' || *m == '\n') - m++; - - if (!*m) + bool saw_any_target = false; + bool is_target = true; + bool is_source = false; + bool need_parse; + char *q, saved_c; + + while (*p) { + /* handle some special characters first. */ + switch (*p) { + case '#': + /* + * skip comments. + * rustc may emit comments to dep-info. + */ + p++; + while (*p != '\0' && *p != '\n') { + /* + * escaped newlines continue the comment across + * multiple lines. + */ + if (*p == '\\') + p++; + p++; + } + continue; + case ' ': + case '\t': + /* skip whitespaces */ + p++; + continue; + case '\\': + /* + * backslash/newline combinations continue the + * statement. Skip it just like a whitespace. + */ + if (*(p + 1) == '\n') { + p += 2; + continue; + } break; - - /* Find next "white space" */ - p = m; - while (*p && *p != ' ' && *p != '\\' && *p != '\n') + case '\n': + /* + * Makefiles use a line-based syntax, where the newline + * is the end of a statement. After seeing a newline, + * we expect the next token is a target. + */ p++; - is_last = (*p == '\0'); - /* Is the token we found a target name? */ - is_target = (*(p-1) == ':'); - /* Don't write any target names into the dependency file */ - if (is_target) { - /* The /next/ file is the first dependency */ - is_first_dep = 1; - } else if (!is_ignored_file(m, p - m)) { - *p = '\0'; - + is_target = true; + continue; + case ':': /* - * Do not list the source file as dependency, so that - * kbuild is not confused if a .c file is rewritten - * into .S or vice versa. Storing it in source_* is - * needed for modpost to compute srcversions. + * assume the first dependency after a colon as the + * source file. */ - if (is_first_dep) { + p++; + is_target = false; + is_source = true; + continue; + } + + /* find the end of the token */ + q = p; + while (*q != ' ' && *q != '\t' && *q != '\n' && *q != '#' && *q != ':') { + if (*q == '\\') { /* - * If processing the concatenation of multiple - * dependency files, only process the first - * target name, which will be the original - * source name, and ignore any other target - * names, which will be intermediate temporary - * files. + * backslash/newline combinations work like as + * a whitespace, so this is the end of token. */ - if (!saw_any_target) { - saw_any_target = 1; - printf("source_%s := %s\n\n", - target, m); - printf("deps_%s := \\\n", target); + if (*(q + 1) == '\n') + break; + + /* escaped special characters */ + if (*(q + 1) == '#' || *(q + 1) == ':') { + memmove(p + 1, p, q - p); + p++; } - is_first_dep = 0; - } else { - printf(" %s \\\n", m); + + q++; } - buf = read_file(m); - parse_config_file(buf); - free(buf); + if (*q == '\0') + break; + q++; } - if (is_last) - break; + /* Just discard the target */ + if (is_target) { + p = q; + continue; + } + + saved_c = *q; + *q = '\0'; + need_parse = false; /* - * Start searching for next token immediately after the first - * "whitespace" character that follows this token. + * Do not list the source file as dependency, so that kbuild is + * not confused if a .c file is rewritten into .S or vice versa. + * Storing it in source_* is needed for modpost to compute + * srcversions. */ - m = p + 1; + if (is_source) { + /* + * The DT build rule concatenates multiple dep files. + * When processing them, only process the first source + * name, which will be the original one, and ignore any + * other source names, which will be intermediate + * temporary files. + * + * rustc emits the same dependency list for each + * emission type. It is enough to list the source name + * just once. + */ + if (!saw_any_target) { + saw_any_target = true; + printf("source_%s := %s\n\n", target, p); + printf("deps_%s := \\\n", target); + need_parse = true; + } + } else if (!is_ignored_file(p, q - p) && + !in_hashtable(p, q - p, file_hashtab)) { + printf(" %s \\\n", p); + need_parse = true; + } + + if (need_parse && !is_no_parse_file(p, q - p)) { + void *buf; + + buf = read_file(p); + parse_config_file(buf); + free(buf); + } + + is_source = false; + *q = saved_c; + p = q; } if (!saw_any_target) { @@ -344,7 +425,7 @@ int main(int argc, char *argv[]) target = argv[2]; cmdline = argv[3]; - printf("cmd_%s := %s\n\n", target, cmdline); + printf("savedcmd_%s := %s\n\n", target, cmdline); buf = read_file(depfile); parse_dep_file(buf, target); diff --git a/scripts/bin2c.c b/scripts/bin2c.c deleted file mode 100644 index c3d7eef3ad06..000000000000 --- a/scripts/bin2c.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Unloved program to convert a binary on stdin to a C include on stdout - * - * Jan 1999 Matt Mackall <mpm@selenic.com> - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - */ - -#include <stdio.h> - -int main(int argc, char *argv[]) -{ - int ch, total = 0; - - if (argc > 1) - printf("const char %s[] %s=\n", - argv[1], argc > 2 ? argv[2] : ""); - - do { - printf("\t\""); - while ((ch = getchar()) != EOF) { - total++; - printf("\\x%02x", ch); - if (total % 16 == 0) - break; - } - printf("\"\n"); - } while (ch != EOF); - - if (argc > 1) - printf("\t;\n\n#include <linux/types.h>\n\nconst size_t %s_size = %d;\n", - argv[1], total); - - return 0; -} diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter index f9553f60a14a..36303afa9dfc 100755 --- a/scripts/bloat-o-meter +++ b/scripts/bloat-o-meter @@ -80,8 +80,7 @@ def calc(oldfile, newfile, format): if d<0: shrink, down = shrink+1, down-d delta.append((d, name)) - delta.sort() - delta.reverse() + delta.sort(reverse=True) return grow, shrink, add, remove, up, down, delta, old, new, otot, ntot def print_result(symboltype, symbolformat): diff --git a/scripts/bpf_doc.py b/scripts/bpf_doc.py index d5c389df6045..eaae2ce78381 100755 --- a/scripts/bpf_doc.py +++ b/scripts/bpf_doc.py @@ -97,6 +97,7 @@ class HeaderParser(object): self.desc_unique_helpers = set() self.define_unique_helpers = [] self.helper_enum_vals = {} + self.helper_enum_pos = {} self.desc_syscalls = [] self.enum_syscalls = [] @@ -253,54 +254,71 @@ class HeaderParser(object): break def parse_define_helpers(self): - # Parse FN(...) in #define __BPF_FUNC_MAPPER to compare later with the + # Parse FN(...) in #define ___BPF_FUNC_MAPPER to compare later with the # number of unique function names present in description and use the # correct enumeration value. # Note: seek_to(..) discards the first line below the target search text, - # resulting in FN(unspec) being skipped and not added to self.define_unique_helpers. - self.seek_to('#define __BPF_FUNC_MAPPER(FN)', + # resulting in FN(unspec, 0, ##ctx) being skipped and not added to + # self.define_unique_helpers. + self.seek_to('#define ___BPF_FUNC_MAPPER(FN, ctx...)', 'Could not find start of eBPF helper definition list') # Searches for one FN(\w+) define or a backslash for newline - p = re.compile('\s*FN\((\w+)\)|\\\\') + p = re.compile('\s*FN\((\w+), (\d+), ##ctx\)|\\\\') fn_defines_str = '' - i = 1 # 'unspec' is skipped as mentioned above + i = 0 while True: capture = p.match(self.line) if capture: fn_defines_str += self.line - self.helper_enum_vals[capture.expand(r'bpf_\1')] = i + helper_name = capture.expand(r'bpf_\1') + self.helper_enum_vals[helper_name] = int(capture.group(2)) + self.helper_enum_pos[helper_name] = i i += 1 else: break self.line = self.reader.readline() # Find the number of occurences of FN(\w+) - self.define_unique_helpers = re.findall('FN\(\w+\)', fn_defines_str) + self.define_unique_helpers = re.findall('FN\(\w+, \d+, ##ctx\)', fn_defines_str) - def assign_helper_values(self): + def validate_helpers(self): + last_helper = '' seen_helpers = set() + seen_enum_vals = set() + i = 0 for helper in self.helpers: proto = helper.proto_break_down() name = proto['name'] try: enum_val = self.helper_enum_vals[name] + enum_pos = self.helper_enum_pos[name] except KeyError: raise Exception("Helper %s is missing from enum bpf_func_id" % name) + if name in seen_helpers: + if last_helper != name: + raise Exception("Helper %s has multiple descriptions which are not grouped together" % name) + continue + # Enforce current practice of having the descriptions ordered # by enum value. + if enum_pos != i: + raise Exception("Helper %s (ID %d) comment order (#%d) must be aligned with its position (#%d) in enum bpf_func_id" % (name, enum_val, i + 1, enum_pos + 1)) + if enum_val in seen_enum_vals: + raise Exception("Helper %s has duplicated value %d" % (name, enum_val)) + seen_helpers.add(name) - desc_val = len(seen_helpers) - if desc_val != enum_val: - raise Exception("Helper %s comment order (#%d) must be aligned with its position (#%d) in enum bpf_func_id" % (name, desc_val, enum_val)) + last_helper = name + seen_enum_vals.add(enum_val) helper.enum_val = enum_val + i += 1 def run(self): self.parse_desc_syscall() self.parse_enum_syscall() self.parse_desc_helpers() self.parse_define_helpers() - self.assign_helper_values() + self.validate_helpers() self.reader.close() ############################################################################### @@ -365,7 +383,7 @@ class PrinterRST(Printer): .. Copyright (C) All BPF authors and contributors from 2014 to present. .. See git log include/uapi/linux/bpf.h in kernel tree for details. .. -.. SPDX-License-Identifier: Linux-man-pages-copyleft +.. SPDX-License-Identifier: Linux-man-pages-copyleft .. .. Please do not edit this file. It was generated from the documentation .. located in file include/uapi/linux/bpf.h of the Linux kernel sources @@ -423,7 +441,7 @@ class PrinterHelpersRST(PrinterRST): """ def __init__(self, parser): self.elements = parser.helpers - self.elem_number_check(parser.desc_unique_helpers, parser.define_unique_helpers, 'helper', '__BPF_FUNC_MAPPER') + self.elem_number_check(parser.desc_unique_helpers, parser.define_unique_helpers, 'helper', '___BPF_FUNC_MAPPER') def print_header(self): header = '''\ @@ -636,7 +654,7 @@ class PrinterHelpers(Printer): """ def __init__(self, parser): self.elements = parser.helpers - self.elem_number_check(parser.desc_unique_helpers, parser.define_unique_helpers, 'helper', '__BPF_FUNC_MAPPER') + self.elem_number_check(parser.desc_unique_helpers, parser.define_unique_helpers, 'helper', '___BPF_FUNC_MAPPER') type_fwds = [ 'struct bpf_fib_lookup', @@ -667,6 +685,7 @@ class PrinterHelpers(Printer): 'struct udp6_sock', 'struct unix_sock', 'struct task_struct', + 'struct cgroup', 'struct __sk_buff', 'struct sk_msg_md', @@ -724,6 +743,7 @@ class PrinterHelpers(Printer): 'struct udp6_sock', 'struct unix_sock', 'struct task_struct', + 'struct cgroup', 'struct path', 'struct btf_ptr', 'struct inode', @@ -732,6 +752,7 @@ class PrinterHelpers(Printer): 'struct bpf_timer', 'struct mptcp_sock', 'struct bpf_dynptr', + 'const struct bpf_dynptr', 'struct iphdr', 'struct ipv6hdr', } diff --git a/scripts/cc-version.sh b/scripts/cc-version.sh index 2401c86fcf53..a7e28b6a514e 100755 --- a/scripts/cc-version.sh +++ b/scripts/cc-version.sh @@ -12,8 +12,6 @@ get_c_compiler_info() cat <<- EOF | "$@" -E -P -x c - 2>/dev/null #if defined(__clang__) Clang __clang_major__ __clang_minor__ __clang_patchlevel__ - #elif defined(__INTEL_COMPILER) - ICC __INTEL_COMPILER __INTEL_COMPILER_UPDATE #elif defined(__GNUC__) GCC __GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__ #else @@ -47,10 +45,6 @@ Clang) version=$2.$3.$4 min_version=$($min_tool_version llvm) ;; -ICC) - version=$(($2 / 100)).$(($2 % 100)).$3 - min_version=$($min_tool_version icc) - ;; *) echo "$orig_args: unknown C compiler" >&2 exit 1 diff --git a/scripts/check-git b/scripts/check-git new file mode 100755 index 000000000000..2ca6c5df10dd --- /dev/null +++ b/scripts/check-git @@ -0,0 +1,14 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-only +# +# succeed if we are in a git repository + +srctree="$(dirname $0)/.." + +if ! git -C "${srctree}" rev-parse --verify HEAD >/dev/null 2>/dev/null; then + exit 1 +fi + +if ! test -z $(git -C "${srctree}" rev-parse --show-cdup 2>/dev/null); then + exit 1 +fi diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs index 8bcb9e26c7bc..edc9a629d79e 100755 --- a/scripts/check-sysctl-docs +++ b/scripts/check-sysctl-docs @@ -156,22 +156,6 @@ curtable && /\.procname[\t ]*=[\t ]*".+"/ { } } -/register_sysctl_paths\(.*\)/ { - match($0, /register_sysctl_paths\(([^)]+), ([^)]+)\)/, tables) - if (debug) print "Attaching table " tables[2] " to path " tables[1] - if (paths[tables[1]] == table) { - for (entry in entries[tables[2]]) { - printentry(entry) - } - } - split(paths[tables[1]], components, "/") - if (length(components) > 1 && components[1] == table) { - # Count the first subdirectory as seen - seen[components[2]]++ - } -} - - END { for (entry in documented) { if (!seen[entry]) { diff --git a/scripts/checkkconfigsymbols.py b/scripts/checkkconfigsymbols.py index 217d21abc86e..36c920e71313 100755 --- a/scripts/checkkconfigsymbols.py +++ b/scripts/checkkconfigsymbols.py @@ -115,7 +115,7 @@ def parse_options(): return args -def main(): +def print_undefined_symbols(): """Main function of this module.""" args = parse_options() @@ -467,5 +467,16 @@ def parse_kconfig_file(kfile): return defined, references +def main(): + try: + print_undefined_symbols() + except BrokenPipeError: + # Python flushes standard streams on exit; redirect remaining output + # to devnull to avoid another BrokenPipeError at shutdown + devnull = os.open(os.devnull, os.O_WRONLY) + os.dup2(devnull, sys.stdout.fileno()) + sys.exit(1) # Python exits with error code 1 on EPIPE + + if __name__ == "__main__": main() diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 1e5e66ae5a52..b30114d637c4 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -620,6 +620,22 @@ our $signature_tags = qr{(?xi: Cc: )}; +our @link_tags = qw(Link Closes); + +#Create a search and print patterns for all these strings to be used directly below +our $link_tags_search = ""; +our $link_tags_print = ""; +foreach my $entry (@link_tags) { + if ($link_tags_search ne "") { + $link_tags_search .= '|'; + $link_tags_print .= ' or '; + } + $entry .= ':'; + $link_tags_search .= $entry; + $link_tags_print .= "'$entry'"; +} +$link_tags_search = "(?:${link_tags_search})"; + our $tracing_logging_tags = qr{(?xi: [=-]*> | <[=-]* | @@ -702,6 +718,17 @@ sub find_standard_signature { return ""; } +our $obsolete_archives = qr{(?xi: + \Qfreedesktop.org/archives/dri-devel\E | + \Qlists.infradead.org\E | + \Qlkml.org\E | + \Qmail-archive.com\E | + \Qmailman.alsa-project.org/pipermail\E | + \Qmarc.info\E | + \Qozlabs.org/pipermail\E | + \Qspinics.net\E +)}; + our @typeListMisordered = ( qr{char\s+(?:un)?signed}, qr{int\s+(?:(?:un)?signed\s+)?short\s}, @@ -812,7 +839,9 @@ our %deprecated_apis = ( "get_state_synchronize_sched" => "get_state_synchronize_rcu", "cond_synchronize_sched" => "cond_synchronize_rcu", "kmap" => "kmap_local_page", + "kunmap" => "kunmap_local", "kmap_atomic" => "kmap_local_page", + "kunmap_atomic" => "kunmap_local", ); #Create a search pattern for all these strings to speed up a loop below @@ -3131,21 +3160,33 @@ sub process { if ($sign_off =~ /^co-developed-by:$/i) { if ($email eq $author) { WARN("BAD_SIGN_OFF", - "Co-developed-by: should not be used to attribute nominal patch author '$author'\n" . "$here\n" . $rawline); + "Co-developed-by: should not be used to attribute nominal patch author '$author'\n" . $herecurr); } if (!defined $lines[$linenr]) { WARN("BAD_SIGN_OFF", - "Co-developed-by: must be immediately followed by Signed-off-by:\n" . "$here\n" . $rawline); - } elsif ($rawlines[$linenr] !~ /^\s*signed-off-by:\s*(.*)/i) { + "Co-developed-by: must be immediately followed by Signed-off-by:\n" . $herecurr); + } elsif ($rawlines[$linenr] !~ /^signed-off-by:\s*(.*)/i) { WARN("BAD_SIGN_OFF", - "Co-developed-by: must be immediately followed by Signed-off-by:\n" . "$here\n" . $rawline . "\n" .$rawlines[$linenr]); + "Co-developed-by: must be immediately followed by Signed-off-by:\n" . $herecurr . $rawlines[$linenr] . "\n"); } elsif ($1 ne $email) { WARN("BAD_SIGN_OFF", - "Co-developed-by and Signed-off-by: name/email do not match \n" . "$here\n" . $rawline . "\n" .$rawlines[$linenr]); + "Co-developed-by and Signed-off-by: name/email do not match\n" . $herecurr . $rawlines[$linenr] . "\n"); + } + } + +# check if Reported-by: is followed by a Closes: tag + if ($sign_off =~ /^reported(?:|-and-tested)-by:$/i) { + if (!defined $lines[$linenr]) { + WARN("BAD_REPORTED_BY_LINK", + "Reported-by: should be immediately followed by Closes: with a URL to the report\n" . $herecurr . "\n"); + } elsif ($rawlines[$linenr] !~ /^closes:\s*/i) { + WARN("BAD_REPORTED_BY_LINK", + "Reported-by: should be immediately followed by Closes: with a URL to the report\n" . $herecurr . $rawlines[$linenr] . "\n"); } } } + # Check Fixes: styles is correct if (!$in_header_lines && $line =~ /^\s*fixes:?\s*(?:commit\s*)?[0-9a-f]{5,}\b/i) { @@ -3225,8 +3266,8 @@ sub process { # file delta changes $line =~ /^\s*(?:[\w\.\-\+]*\/)++[\w\.\-\+]+:/ || # filename then : - $line =~ /^\s*(?:Fixes:|Link:|$signature_tags)/i || - # A Fixes: or Link: line or signature tag line + $line =~ /^\s*(?:Fixes:|$link_tags_search|$signature_tags)/i || + # A Fixes:, link or signature tag line $commit_log_possible_stack_dump)) { WARN("COMMIT_LOG_LONG_LINE", "Possible unwrapped commit description (prefer a maximum 75 chars per line)\n" . $herecurr); @@ -3239,6 +3280,29 @@ sub process { $commit_log_possible_stack_dump = 0; } +# Check for odd tags before a URI/URL + if ($in_commit_log && + $line =~ /^\s*(\w+:)\s*http/ && $1 !~ /^$link_tags_search$/) { + if ($1 =~ /^v(?:ersion)?\d+/i) { + WARN("COMMIT_LOG_VERSIONING", + "Patch version information should be after the --- line\n" . $herecurr); + } else { + WARN("COMMIT_LOG_USE_LINK", + "Unknown link reference '$1', use $link_tags_print instead\n" . $herecurr); + } + } + +# Check for misuse of the link tags + if ($in_commit_log && + $line =~ /^\s*(\w+:)\s*(\S+)/) { + my $tag = $1; + my $value = $2; + if ($tag =~ /^$link_tags_search$/ && $value !~ m{^https?://}) { + WARN("COMMIT_LOG_WRONG_LINK", + "'$tag' should be followed by a public http(s) link\n" . $herecurr); + } + } + # Check for lines starting with a # if ($in_commit_log && $line =~ /^#/) { if (WARN("COMMIT_COMMENT_SYMBOL", @@ -3324,6 +3388,12 @@ sub process { $last_git_commit_id_linenr = $linenr if ($line =~ /\bcommit\s*$/i); } +# Check for mailing list archives other than lore.kernel.org + if ($rawline =~ m{http.*\b$obsolete_archives}) { + WARN("PREFER_LORE_ARCHIVE", + "Use lore.kernel.org archive links when possible - see https://lore.kernel.org/lists.html\n" . $herecurr); + } + # Check for added, moved or deleted files if (!$reported_maintainer_file && !$in_commit_log && ($line =~ /^(?:new|deleted) file mode\s*\d+\s*$/ || @@ -3693,7 +3763,7 @@ sub process { "'$spdx_license' is not supported in LICENSES/...\n" . $herecurr); } if ($realfile =~ m@^Documentation/devicetree/bindings/@ && - not $spdx_license =~ /GPL-2\.0.*BSD-2-Clause/) { + $spdx_license !~ /GPL-2\.0(?:-only)? OR BSD-2-Clause/) { my $msg_level = \&WARN; $msg_level = \&CHK if ($file); if (&{$msg_level}("SPDX_LICENSE_TAG", @@ -3703,12 +3773,17 @@ sub process { $fixed[$fixlinenr] =~ s/SPDX-License-Identifier: .*/SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)/; } } + if ($realfile =~ m@^include/dt-bindings/@ && + $spdx_license !~ /GPL-2\.0(?:-only)? OR \S+/) { + WARN("SPDX_LICENSE_TAG", + "DT binding headers should be licensed (GPL-2.0-only OR .*)\n" . $herecurr); + } } } } # check for embedded filenames - if ($rawline =~ /^\+.*\Q$realfile\E/) { + if ($rawline =~ /^\+.*\b\Q$realfile\E\b/) { WARN("EMBEDDED_FILENAME", "It's generally not useful to have the filename in the file\n" . $herecurr); } @@ -5766,6 +5841,8 @@ sub process { $var !~ /^(?:[A-Z]+_){1,5}[A-Z]{1,3}[a-z]/ && #Ignore Page<foo> variants $var !~ /^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ && +#Ignore ETHTOOL_LINK_MODE_<foo> variants + $var !~ /^ETHTOOL_LINK_MODE_/ && #Ignore SI style variants like nS, mV and dB #(ie: max_uV, regulator_min_uA_show, RANGE_mA_VALUE) $var !~ /^(?:[a-z0-9_]*|[A-Z0-9_]*)?_?[a-z][A-Z](?:_[a-z0-9_]+|_[A-Z0-9_]+)?$/ && @@ -5901,6 +5978,7 @@ sub process { $dstat !~ /$exceptions/ && $dstat !~ /^\.$Ident\s*=/ && # .foo = $dstat !~ /^(?:\#\s*$Ident|\#\s*$Constant)\s*$/ && # stringification #foo + $dstat !~ /^case\b/ && # case ... $dstat !~ /^do\s*$Constant\s*while\s*$Constant;?$/ && # do {...} while (...); // do {...} while (...) $dstat !~ /^while\s*$Constant\s*$Constant\s*$/ && # while (...) {...} $dstat !~ /^for\s*$Constant$/ && # for (...) @@ -6344,6 +6422,15 @@ sub process { } } +# check for soon-to-be-deprecated single-argument k[v]free_rcu() API + if ($line =~ /\bk[v]?free_rcu\s*\([^(]+\)/) { + if ($line =~ /\bk[v]?free_rcu\s*\([^,]+\)/) { + ERROR("DEPRECATED_API", + "Single-argument k[v]free_rcu() API is deprecated, please pass rcu_head object or call k[v]free_rcu_mightsleep()." . $herecurr); + } + } + + # check for unnecessary "Out of Memory" messages if ($line =~ /^\+.*\b$logFunctions\s*\(/ && $prevline =~ /^[ \+]\s*if\s*\(\s*(\!\s*|NULL\s*==\s*)?($Lval)(\s*==\s*NULL\s*)?\s*\)/ && @@ -7128,7 +7215,7 @@ sub process { } # check for alloc argument mismatch - if ($line =~ /\b((?:devm_)?(?:kcalloc|kmalloc_array))\s*\(\s*sizeof\b/) { + if ($line =~ /\b((?:devm_)?((?:k|kv)?(calloc|malloc_array)(?:_node)?))\s*\(\s*sizeof\b/) { WARN("ALLOC_ARRAY_ARGS", "$1 uses number as first arg, sizeof is generally wrong\n" . $herecurr); } diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl index d48dfed6d3db..84f5fb7f1cec 100755 --- a/scripts/checkstack.pl +++ b/scripts/checkstack.pl @@ -10,7 +10,6 @@ # Mips port by Juan Quintela <quintela@mandrakesoft.com> # IA64 port via Andreas Dilger # Arm port by Holger Schurig -# sh64 port by Paul Mundt # Random bits by Matt Mackall <mpm@selenic.com> # M68k port by Geert Uytterhoeven and Andreas Schwab # AArch64, PARISC ports by Kyle McMartin @@ -100,12 +99,6 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack); # 100092: e3 f0 ff c8 ff 71 lay %r15,-56(%r15) $re = qr/.*(?:lay|ag?hi).*\%r15,-(([0-9]{2}|[3-9])[0-9]{2}) (?:\(\%r15\))?$/ox; - } elsif ($arch =~ /^sh64$/) { - #XXX: we only check for the immediate case presently, - # though we will want to check for the movi/sub - # pair for larger users. -- PFM. - #a00048e0: d4fc40f0 addi.l r15,-240,r15 - $re = qr/.*addi\.l.*r15,-(([0-9]{2}|[3-9])[0-9]{2}),r15/o; } elsif ($arch eq 'sparc' || $arch eq 'sparc64') { # f0019d10: 9d e3 bf 90 save %sp, -112, %sp $re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o; diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh index f33e61aca93d..1e5d2eeb726d 100755 --- a/scripts/checksyscalls.sh +++ b/scripts/checksyscalls.sh @@ -114,7 +114,6 @@ cat << EOF #define __IGNORE_truncate #define __IGNORE_stat #define __IGNORE_lstat -#define __IGNORE_fstat #define __IGNORE_fcntl #define __IGNORE_fadvise64 #define __IGNORE_newfstatat @@ -255,6 +254,9 @@ cat << EOF /* 64-bit ports never needed these, and new 32-bit ports can use statx */ #define __IGNORE_fstat64 #define __IGNORE_fstatat64 + +/* Newer ports are not required to provide fstat in favor of statx */ +#define __IGNORE_fstat EOF } diff --git a/scripts/clang-tools/gen_compile_commands.py b/scripts/clang-tools/gen_compile_commands.py index d800b2c0af97..15ba56527acd 100755 --- a/scripts/clang-tools/gen_compile_commands.py +++ b/scripts/clang-tools/gen_compile_commands.py @@ -19,7 +19,7 @@ _DEFAULT_OUTPUT = 'compile_commands.json' _DEFAULT_LOG_LEVEL = 'WARNING' _FILENAME_PATTERN = r'^\..*\.cmd$' -_LINE_PATTERN = r'^cmd_[^ ]*\.o := (.* )([^ ]*\.c) *(;|$)' +_LINE_PATTERN = r'^savedcmd_[^ ]*\.o := (.* )([^ ]*\.c) *(;|$)' _VALID_LOG_LEVELS = ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'] # The tools/ directory adopts a different build system, and produces .cmd # files in a different format. Do not support it. @@ -138,10 +138,10 @@ def cmdfiles_for_modorder(modorder): """ with open(modorder) as f: for line in f: - ko = line.rstrip() - base, ext = os.path.splitext(ko) - if ext != '.ko': - sys.exit('{}: module path must end with .ko'.format(ko)) + obj = line.rstrip() + base, ext = os.path.splitext(obj) + if ext != '.o': + sys.exit('{}: module path must end with .o'.format(obj)) mod = base + '.mod' # Read from *.mod, to get a list of objects that compose the module. with open(mod) as m: diff --git a/scripts/clang-tools/run-clang-tools.py b/scripts/clang-tools/run-clang-tools.py index 56f2ec8f0f40..3266708a8658 100755 --- a/scripts/clang-tools/run-clang-tools.py +++ b/scripts/clang-tools/run-clang-tools.py @@ -61,14 +61,21 @@ def run_analysis(entry): def main(): - args = parse_arguments() + try: + args = parse_arguments() - lock = multiprocessing.Lock() - pool = multiprocessing.Pool(initializer=init, initargs=(lock, args)) - # Read JSON data into the datastore variable - with open(args.path, "r") as f: - datastore = json.load(f) - pool.map(run_analysis, datastore) + lock = multiprocessing.Lock() + pool = multiprocessing.Pool(initializer=init, initargs=(lock, args)) + # Read JSON data into the datastore variable + with open(args.path, "r") as f: + datastore = json.load(f) + pool.map(run_analysis, datastore) + except BrokenPipeError: + # Python flushes standard streams on exit; redirect remaining output + # to devnull to avoid another BrokenPipeError at shutdown + devnull = os.open(os.devnull, os.O_WRONLY) + os.dup2(devnull, sys.stdout.fileno()) + sys.exit(1) # Python exits with error code 1 on EPIPE if __name__ == "__main__": diff --git a/scripts/coccicheck b/scripts/coccicheck index caba0bff6da7..e52cb43fede6 100755 --- a/scripts/coccicheck +++ b/scripts/coccicheck @@ -1,4 +1,4 @@ -#!/bin/bash +#!/usr/bin/env bash # SPDX-License-Identifier: GPL-2.0 # Linux kernel coccicheck # @@ -18,7 +18,7 @@ fi SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}') USE_JOBS="no" -$SPATCH --help | grep "\-\-jobs" > /dev/null && USE_JOBS="yes" +$SPATCH --help | grep -e "--jobs" > /dev/null && USE_JOBS="yes" # The verbosity may be set by the environmental parameter V= # as for example with 'make V=1 coccicheck' @@ -47,7 +47,7 @@ FLAGS="--very-quiet" # inspected there. # # --profile will not output if --very-quiet is used, so avoid it. -echo $SPFLAGS | egrep -e "--profile|--show-trying" 2>&1 > /dev/null +echo $SPFLAGS | grep -E -e "--profile|--show-trying" 2>&1 > /dev/null if [ $? -eq 0 ]; then FLAGS="--quiet" fi diff --git a/scripts/coccinelle/api/atomic_as_refcounter.cocci b/scripts/coccinelle/api/atomic_as_refcounter.cocci index e63d52408b86..bbe5b2932933 100644 --- a/scripts/coccinelle/api/atomic_as_refcounter.cocci +++ b/scripts/coccinelle/api/atomic_as_refcounter.cocci @@ -55,7 +55,7 @@ identifier fname6 =~ ".*call_rcu.*"; p1 << r1.p1; p2 << r1.p2; @@ -msg = "atomic_dec_and_test variation before object free at line %s." +msg = "WARNING: atomic_dec_and_test variation before object free at line %s." coccilib.report.print_report(p1[0], msg % (p2[0].line)) @r4 exists@ @@ -88,7 +88,7 @@ fname@p2(y, ...); p1 << r4.p1; p2 << r4.p2; @@ -msg = "atomic_dec_and_test variation before object free at line %s." +msg = "WARNING: atomic_dec_and_test variation before object free at line %s." coccilib.report.print_report(p1[0], msg % (p2[0].line)) @r2 exists@ @@ -107,7 +107,7 @@ atomic64_add_unless(&(a)->x,-1,1)@p1 @script:python depends on report@ p1 << r2.p1; @@ -msg = "atomic_add_unless" +msg = "WARNING: atomic_add_unless" coccilib.report.print_report(p1[0], msg) @r3 exists@ @@ -126,5 +126,5 @@ x = atomic64_add_return@p1(-1, ...); @script:python depends on report@ p1 << r3.p1; @@ -msg = "x = atomic_add_return(-1, ...)" +msg = "WARNING: x = atomic_add_return(-1, ...)" coccilib.report.print_report(p1[0], msg) diff --git a/scripts/const_structs.checkpatch b/scripts/const_structs.checkpatch index 1eeb7b42c5b9..dc39d938ea77 100644 --- a/scripts/const_structs.checkpatch +++ b/scripts/const_structs.checkpatch @@ -35,6 +35,7 @@ iwl_ops kernel_param_ops kgdb_arch kgdb_io +kobj_type kset_uevent_ops lock_manager_operations machine_desc diff --git a/scripts/decodecode b/scripts/decodecode index b28fd2686561..8fe71c292381 100755 --- a/scripts/decodecode +++ b/scripts/decodecode @@ -93,6 +93,11 @@ disas() { ${CROSS_COMPILE}strip $t.o fi + if [ "$ARCH" = "riscv" ]; then + OBJDUMPFLAGS="-M no-aliases --section=.text -D" + ${CROSS_COMPILE}strip $t.o + fi + if [ $pc_sub -ne 0 ]; then if [ $PC ]; then adj_vma=$(( $PC - $pc_sub )) @@ -126,8 +131,13 @@ get_substr_opcode_bytes_num() do substr+="$opc" + opcode="$substr" + if [ "$ARCH" = "riscv" ]; then + opcode=$(echo $opcode | tr ' ' '\n' | tac | tr -d '\n') + fi + # return if opcode bytes do not match @opline anymore - if ! echo $opline | grep -q "$substr"; + if ! echo $opline | grep -q "$opcode"; then break fi diff --git a/scripts/diffconfig b/scripts/diffconfig index d5da5fa05d1d..43f0f3d273ae 100755 --- a/scripts/diffconfig +++ b/scripts/diffconfig @@ -65,7 +65,7 @@ def print_config(op, config, value, new_value): else: print(" %s %s -> %s" % (config, value, new_value)) -def main(): +def show_diff(): global merge_style # parse command line args @@ -129,4 +129,16 @@ def main(): for config in new: print_config("+", config, None, b[config]) -main() +def main(): + try: + show_diff() + except BrokenPipeError: + # Python flushes standard streams on exit; redirect remaining output + # to devnull to avoid another BrokenPipeError at shutdown + devnull = os.open(os.devnull, os.O_WRONLY) + os.dup2(devnull, sys.stdout.fileno()) + sys.exit(1) # Python exits with error code 1 on EPIPE + + +if __name__ == '__main__': + main() diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c index 781ba1129a8e..9f31d2607182 100644 --- a/scripts/dtc/checks.c +++ b/scripts/dtc/checks.c @@ -1382,10 +1382,10 @@ struct provider { }; static void check_property_phandle_args(struct check *c, - struct dt_info *dti, - struct node *node, - struct property *prop, - const struct provider *provider) + struct dt_info *dti, + struct node *node, + struct property *prop, + const struct provider *provider) { struct node *root = dti->dt; unsigned int cell, cellsize = 0; @@ -1401,6 +1401,7 @@ static void check_property_phandle_args(struct check *c, struct node *provider_node; struct property *cellprop; cell_t phandle; + unsigned int expected; phandle = propval_cell_n(prop, cell); /* @@ -1450,10 +1451,12 @@ static void check_property_phandle_args(struct check *c, break; } - if (prop->val.len < ((cell + cellsize + 1) * sizeof(cell_t))) { + expected = (cell + cellsize + 1) * sizeof(cell_t); + if ((expected <= cell) || prop->val.len < expected) { FAIL_PROP(c, dti, node, prop, - "property size (%d) too small for cell size %d", + "property size (%d) too small for cell size %u", prop->val.len, cellsize); + break; } } } diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l index 5568b4ae84cf..de60a70b6bdb 100644 --- a/scripts/dtc/dtc-lexer.l +++ b/scripts/dtc/dtc-lexer.l @@ -200,7 +200,7 @@ static void PRINTF(1, 2) lexical_error(const char *fmt, ...); return DT_LABEL_REF; } -<*>"&{/"{PATHCHAR}*\} { /* new-style path reference */ +<*>"&{"{PATHCHAR}*\} { /* new-style path reference */ yytext[yyleng-1] = '\0'; DPRINT("Ref: %s\n", yytext+2); yylval.labelref = xstrdup(yytext+2); diff --git a/scripts/dtc/dtc-parser.y b/scripts/dtc/dtc-parser.y index a0316a3cc309..bff1337ec266 100644 --- a/scripts/dtc/dtc-parser.y +++ b/scripts/dtc/dtc-parser.y @@ -23,6 +23,12 @@ extern void yyerror(char const *s); extern struct dt_info *parser_output; extern bool treesource_error; + +static bool is_ref_relative(const char *ref) +{ + return ref[0] != '/' && strchr(&ref[1], '/'); +} + %} %union { @@ -169,6 +175,8 @@ devicetree: */ if (!($<flags>-1 & DTSF_PLUGIN)) ERROR(&@2, "Label or path %s not found", $1); + else if (is_ref_relative($1)) + ERROR(&@2, "Label-relative reference %s not supported in plugin", $1); $$ = add_orphan_node( name_node(build_node(NULL, NULL, NULL), ""), @@ -178,6 +186,9 @@ devicetree: { struct node *target = get_node_by_ref($1, $3); + if (($<flags>-1 & DTSF_PLUGIN) && is_ref_relative($3)) + ERROR(&@2, "Label-relative reference %s not supported in plugin", $3); + if (target) { add_label(&target->labels, $2); merge_nodes(target, $4); @@ -193,6 +204,8 @@ devicetree: * so $-1 is what we want (plugindecl) */ if ($<flags>-1 & DTSF_PLUGIN) { + if (is_ref_relative($2)) + ERROR(&@2, "Label-relative reference %s not supported in plugin", $2); add_orphan_node($1, $3, $2); } else { struct node *target = get_node_by_ref($1, $2); @@ -391,9 +404,14 @@ arrayprefix: * within the mask to one (i.e. | in the * mask), all bits are one. */ - if (($2 > mask) && (($2 | mask) != -1ULL)) - ERROR(&@2, "Value out of range for" - " %d-bit array element", $1.bits); + if (($2 > mask) && (($2 | mask) != -1ULL)) { + char *loc = srcpos_string(&@2); + fprintf(stderr, + "WARNING: %s: Value 0x%016" PRIx64 + " truncated to 0x%0*" PRIx64 "\n", + loc, $2, $1.bits / 4, ($2 & mask)); + free(loc); + } } $$.data = data_append_integer($1.data, $2, $1.bits); diff --git a/scripts/dtc/include-prefixes/riscv b/scripts/dtc/include-prefixes/riscv new file mode 120000 index 000000000000..202509418938 --- /dev/null +++ b/scripts/dtc/include-prefixes/riscv @@ -0,0 +1 @@ +../../../arch/riscv/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/libfdt/fdt.c b/scripts/dtc/libfdt/fdt.c index 9fe7cf4b747d..20c6415b9ced 100644 --- a/scripts/dtc/libfdt/fdt.c +++ b/scripts/dtc/libfdt/fdt.c @@ -106,7 +106,6 @@ int fdt_check_header(const void *fdt) } hdrsize = fdt_header_size(fdt); if (!can_assume(VALID_DTB)) { - if ((fdt_totalsize(fdt) < hdrsize) || (fdt_totalsize(fdt) > INT_MAX)) return -FDT_ERR_TRUNCATED; @@ -115,9 +114,7 @@ int fdt_check_header(const void *fdt) if (!check_off_(hdrsize, fdt_totalsize(fdt), fdt_off_mem_rsvmap(fdt))) return -FDT_ERR_TRUNCATED; - } - if (!can_assume(VALID_DTB)) { /* Bounds check structure block */ if (!can_assume(LATEST) && fdt_version(fdt) < 17) { if (!check_off_(hdrsize, fdt_totalsize(fdt), @@ -165,7 +162,7 @@ const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len) uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset) { const fdt32_t *tagp, *lenp; - uint32_t tag; + uint32_t tag, len, sum; int offset = startoffset; const char *p; @@ -191,12 +188,19 @@ uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset) lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp)); if (!can_assume(VALID_DTB) && !lenp) return FDT_END; /* premature end */ + + len = fdt32_to_cpu(*lenp); + sum = len + offset; + if (!can_assume(VALID_DTB) && + (INT_MAX <= sum || sum < (uint32_t) offset)) + return FDT_END; /* premature end */ + /* skip-name offset, length and value */ - offset += sizeof(struct fdt_property) - FDT_TAGSIZE - + fdt32_to_cpu(*lenp); + offset += sizeof(struct fdt_property) - FDT_TAGSIZE + len; + if (!can_assume(LATEST) && - fdt_version(fdt) < 0x10 && fdt32_to_cpu(*lenp) >= 8 && - ((offset - fdt32_to_cpu(*lenp)) % 8) != 0) + fdt_version(fdt) < 0x10 && len >= 8 && + ((offset - len) % 8) != 0) offset += 4; break; diff --git a/scripts/dtc/libfdt/fdt_addresses.c b/scripts/dtc/libfdt/fdt_addresses.c index 9a82cd0ba2f9..c40ba094f1f8 100644 --- a/scripts/dtc/libfdt/fdt_addresses.c +++ b/scripts/dtc/libfdt/fdt_addresses.c @@ -73,7 +73,7 @@ int fdt_appendprop_addrrange(void *fdt, int parent, int nodeoffset, /* check validity of address */ prop = data; if (addr_cells == 1) { - if ((addr > UINT32_MAX) || ((UINT32_MAX + 1 - addr) < size)) + if ((addr > UINT32_MAX) || (((uint64_t) UINT32_MAX + 1 - addr) < size)) return -FDT_ERR_BADVALUE; fdt32_st(prop, (uint32_t)addr); diff --git a/scripts/dtc/libfdt/fdt_overlay.c b/scripts/dtc/libfdt/fdt_overlay.c index d217e79b6722..5c0c3981b89d 100644 --- a/scripts/dtc/libfdt/fdt_overlay.c +++ b/scripts/dtc/libfdt/fdt_overlay.c @@ -40,37 +40,22 @@ static uint32_t overlay_get_target_phandle(const void *fdto, int fragment) return fdt32_to_cpu(*val); } -/** - * overlay_get_target - retrieves the offset of a fragment's target - * @fdt: Base device tree blob - * @fdto: Device tree overlay blob - * @fragment: node offset of the fragment in the overlay - * @pathp: pointer which receives the path of the target (or NULL) - * - * overlay_get_target() retrieves the target offset in the base - * device tree of a fragment, no matter how the actual targeting is - * done (through a phandle or a path) - * - * returns: - * the targeted node offset in the base device tree - * Negative error code on error - */ -static int overlay_get_target(const void *fdt, const void *fdto, - int fragment, char const **pathp) +int fdt_overlay_target_offset(const void *fdt, const void *fdto, + int fragment_offset, char const **pathp) { uint32_t phandle; const char *path = NULL; int path_len = 0, ret; /* Try first to do a phandle based lookup */ - phandle = overlay_get_target_phandle(fdto, fragment); + phandle = overlay_get_target_phandle(fdto, fragment_offset); if (phandle == (uint32_t)-1) return -FDT_ERR_BADPHANDLE; /* no phandle, try path */ if (!phandle) { /* And then a path based lookup */ - path = fdt_getprop(fdto, fragment, "target-path", &path_len); + path = fdt_getprop(fdto, fragment_offset, "target-path", &path_len); if (path) ret = fdt_path_offset(fdt, path); else @@ -636,7 +621,7 @@ static int overlay_merge(void *fdt, void *fdto) if (overlay < 0) return overlay; - target = overlay_get_target(fdt, fdto, fragment, NULL); + target = fdt_overlay_target_offset(fdt, fdto, fragment, NULL); if (target < 0) return target; @@ -779,7 +764,7 @@ static int overlay_symbol_update(void *fdt, void *fdto) return -FDT_ERR_BADOVERLAY; /* get the target of the fragment */ - ret = overlay_get_target(fdt, fdto, fragment, &target_path); + ret = fdt_overlay_target_offset(fdt, fdto, fragment, &target_path); if (ret < 0) return ret; target = ret; @@ -801,7 +786,7 @@ static int overlay_symbol_update(void *fdt, void *fdto) if (!target_path) { /* again in case setprop_placeholder changed it */ - ret = overlay_get_target(fdt, fdto, fragment, &target_path); + ret = fdt_overlay_target_offset(fdt, fdto, fragment, &target_path); if (ret < 0) return ret; target = ret; diff --git a/scripts/dtc/libfdt/fdt_ro.c b/scripts/dtc/libfdt/fdt_ro.c index 17584da25760..9f6c551a22c2 100644 --- a/scripts/dtc/libfdt/fdt_ro.c +++ b/scripts/dtc/libfdt/fdt_ro.c @@ -481,12 +481,12 @@ const void *fdt_getprop_by_offset(const void *fdt, int offset, if (!can_assume(VALID_INPUT)) { name = fdt_get_string(fdt, fdt32_ld_(&prop->nameoff), &namelen); + *namep = name; if (!name) { if (lenp) *lenp = namelen; return NULL; } - *namep = name; } else { *namep = fdt_string(fdt, fdt32_ld_(&prop->nameoff)); } diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h index ce31e844856a..77ccff19911e 100644 --- a/scripts/dtc/libfdt/libfdt.h +++ b/scripts/dtc/libfdt/libfdt.h @@ -660,6 +660,13 @@ int fdt_next_property_offset(const void *fdt, int offset); const struct fdt_property *fdt_get_property_by_offset(const void *fdt, int offset, int *lenp); +static inline struct fdt_property *fdt_get_property_by_offset_w(void *fdt, + int offset, + int *lenp) +{ + return (struct fdt_property *)(uintptr_t) + fdt_get_property_by_offset(fdt, offset, lenp); +} /** * fdt_get_property_namelen - find a property based on substring @@ -2116,6 +2123,24 @@ int fdt_del_node(void *fdt, int nodeoffset); */ int fdt_overlay_apply(void *fdt, void *fdto); +/** + * fdt_overlay_target_offset - retrieves the offset of a fragment's target + * @fdt: Base device tree blob + * @fdto: Device tree overlay blob + * @fragment_offset: node offset of the fragment in the overlay + * @pathp: pointer which receives the path of the target (or NULL) + * + * fdt_overlay_target_offset() retrieves the target offset in the base + * device tree of a fragment, no matter how the actual targeting is + * done (through a phandle or a path) + * + * returns: + * the targeted node offset in the base device tree + * Negative error code on error + */ +int fdt_overlay_target_offset(const void *fdt, const void *fdto, + int fragment_offset, char const **pathp); + /**********************************************************************/ /* Debugging / informational functions */ /**********************************************************************/ diff --git a/scripts/dtc/livetree.c b/scripts/dtc/livetree.c index cc612370ec61..f46a098d5ada 100644 --- a/scripts/dtc/livetree.c +++ b/scripts/dtc/livetree.c @@ -581,12 +581,39 @@ struct node *get_node_by_phandle(struct node *tree, cell_t phandle) struct node *get_node_by_ref(struct node *tree, const char *ref) { + struct node *target = tree; + const char *label = NULL, *path = NULL; + if (streq(ref, "/")) return tree; - else if (ref[0] == '/') - return get_node_by_path(tree, ref); + + if (ref[0] == '/') + path = ref; else - return get_node_by_label(tree, ref); + label = ref; + + if (label) { + const char *slash = strchr(label, '/'); + char *buf = NULL; + + if (slash) { + buf = xstrndup(label, slash - label); + label = buf; + path = slash + 1; + } + + target = get_node_by_label(tree, label); + + free(buf); + + if (!target) + return NULL; + } + + if (path) + target = get_node_by_path(target, path); + + return target; } cell_t get_node_phandle(struct node *root, struct node *node) @@ -892,6 +919,12 @@ static void add_fixup_entry(struct dt_info *dti, struct node *fn, /* m->ref can only be a REF_PHANDLE, but check anyway */ assert(m->type == REF_PHANDLE); + /* The format only permits fixups for references to label, not + * references to path */ + if (strchr(m->ref, '/')) + die("Can't generate fixup for reference to path &{%s}\n", + m->ref); + /* there shouldn't be any ':' in the arguments */ if (strchr(node->fullpath, ':') || strchr(prop->name, ':')) die("arguments should not contain ':'\n"); diff --git a/scripts/dtc/of_unittest_expect b/scripts/dtc/of_unittest_expect index 96b12d9ea606..0a535a8e9821 100755 --- a/scripts/dtc/of_unittest_expect +++ b/scripts/dtc/of_unittest_expect @@ -9,7 +9,7 @@ # on the console log that results from executing the Linux kernel # devicetree unittest (drivers/of/unitest.c). -$VUFX = "220201a"; +$VUFX = "230211a"; use strict 'refs'; use strict subs; @@ -62,6 +62,8 @@ sub compare { } else { return 0; } + } elsif ($type eq "all") { + return 1; } elsif ($type eq "") { if ($expect_next ne $got_next) { return 0; @@ -130,6 +132,7 @@ usage: <<int>> matches: [+-]*[0-9]+ <<hex>> matches: (0x)*[0-9a-f]+ + <<all>> matches: anything to end of line 'EXPECT \\' (begin) and 'EXPECT /' (end) lines are suppressed. @@ -240,6 +243,8 @@ if ($#ARGV != 0) { $pr_fmt = "### dt-test ### "; $exp_begin = "${pr_fmt}EXPECT \\\\ : "; $exp_end = "${pr_fmt}EXPECT / : "; +$expnot_begin = "${pr_fmt}EXPECT_NOT \\\\ : "; +$expnot_end = "${pr_fmt}EXPECT_NOT / : "; $line_num = ""; @@ -250,6 +255,8 @@ while ($line = <ARGV>) { chomp $line; + $suppress_line = 0; + $prefix = " "; ## 2 characters @@ -274,7 +281,7 @@ while ($line = <ARGV>) { if ($line =~ /^\s*$exp_begin/) { $data = $line; $data =~ s/^\s*$exp_begin//; - push @begin, $data; + push @exp_begin_stack, $data; if ($verbose) { if ($print_line_num) { @@ -302,21 +309,22 @@ while ($line = <ARGV>) { $found = 0; $no_begin = 0; - if (@found_or_begin > 0) { - $begin = pop @found_or_begin; + if (@exp_found_or_begin > 0) { + $begin = pop @exp_found_or_begin; if (compare($data, $begin)) { $found = 1; + $exp_found++; } } elsif (@begin > 0) { - $begin = pop @begin; + $begin = pop @exp_begin_stack; } else { $no_begin = 1; } if ($no_begin) { - $expect_missing_begin++; - print "** ERROR: EXPECT end without any EXPECT begin:\n"; + $exp_missing_begin++; + print "** ERROR: EXPECT end without matching EXPECT begin:\n"; print " end ---> $line\n"; } elsif (! $found) { @@ -325,21 +333,101 @@ while ($line = <ARGV>) { $line_num = sprintf("%4s ", $.); } - $expect_not_found++; + $exp_missing++; printf "** %s%s$script_name WARNING - not found ---> %s\n", $line_num, $timestamp, $data; - } elsif (! compare($data, $begin)) { + } elsif (! compare($data, $begin) and ($data ne $begin)) { - $expect_missing_end++; + $exp_missing_end++; print "** ERROR: EXPECT end does not match EXPECT begin:\n"; print " begin -> $begin\n"; print " end ---> $line\n"; + } + + next LINE; + } + + + # ----- find EXPECT_NOT begin + + if ($line =~ /^\s*$expnot_begin/) { + $data = $line; + $data =~ s/^\s*$expnot_begin//; + push @expnot_begin_stack, $data; + + if ($verbose) { + if ($print_line_num) { + $line_num = sprintf("%4s ", $.); + } + printf "%s %s%s%s\n", $prefix, $line_num, $timestamp, $line; + } + + next LINE; + } + + + # ----- find EXPECT_NOT end + + if ($line =~ /^\s*$expnot_end/) { + $data = $line; + $data =~ s/^\s*$expnot_end//; + + if ($verbose) { + if ($print_line_num) { + $line_num = sprintf("%4s ", $.); + } + printf "%s %s%s%s\n", $prefix, $line_num, $timestamp, $line; + } + + $found = 0; + $no_begin = 0; + if (@expnot_found_or_begin > 0) { + $begin = pop @expnot_found_or_begin; + if (compare($data, $begin)) { + $found = 1; + $expnot_found++; + } + } elsif (@expnot_begin_stack <= 0) { + $no_begin = 1; + } + + if ($no_begin) { + + $expnot_missing_begin++; + print "** ERROR: EXPECT_NOT end without matching EXPECT_NOT begin:\n"; + print " end ---> $line\n"; + + } + + if ($found) { + + if ($print_line_num) { + $line_num = sprintf("%4s ", $.); + } + + printf "** %s%s$script_name WARNING - next line matches EXPECT_NOT\n", + $line_num, $timestamp; + printf "** %s%s%s\n", $line_num, $timestamp, $line; + } else { - $expect_found++; + $expnot_missing++; + + } + + if (@expnot_begin_stack > 0) { + $begin = pop @expnot_begin_stack; + + if (! compare($data, $begin) and ($data ne $begin)) { + + $expnot_missing_end++; + print "** ERROR: EXPECT_NOT end does not match EXPECT_NOT begin:\n"; + print " begin -> $begin\n"; + print " end ---> $line\n"; + } } next LINE; @@ -357,7 +445,30 @@ while ($line = <ARGV>) { } $found = 0; - foreach $begin (@begin) { + foreach $begin (@exp_begin_stack) { + if (compare($begin, $line)) { + $found = 1; + last; + } + } + + if ($found) { + $begin = shift @exp_begin_stack; + while (! compare($begin, $line)) { + push @exp_found_or_begin, $begin; + $begin = shift @exp_begin_stack; + } + push @exp_found_or_begin, $line; + + if ($hide_expect) { + $suppress_line = 1; + } + $prefix = "ok"; # 2 characters + } + + + $found = 0; + foreach $begin (@expnot_begin_stack) { if (compare($begin, $line)) { $found = 1; last; @@ -367,19 +478,22 @@ while ($line = <ARGV>) { if ($found) { $begin = shift @begin; while (! compare($begin, $line)) { - push @found_or_begin, $begin; + push @expnot_found_or_begin, $begin; $begin = shift @begin; } - push @found_or_begin, $line; + push @expnot_found_or_begin, $line; if ($hide_expect) { $suppress_line = 1; - next LINE; } - $prefix = "ok"; # 2 characters + $prefix = "**"; # 2 characters } + if ($suppress_line) { + next LINE; + } + if ($print_line_num) { $line_num = sprintf("%4s ", $.); } @@ -391,18 +505,37 @@ if (! $no_expect_stats) { print "\n"; print "** EXPECT statistics:\n"; print "**\n"; - printf "** EXPECT found : %4i\n", $expect_found; - printf "** EXPECT not found : %4i\n", $expect_not_found; - printf "** missing EXPECT begin : %4i\n", $expect_missing_begin; - printf "** missing EXPECT end : %4i\n", $expect_missing_end; - printf "** unittest FAIL : %4i\n", $unittest_fail; - printf "** internal error : %4i\n", $internal_err; + printf "** non-zero values expected:\n"; + print "**\n"; + printf "** EXPECT found : %4i\n", $exp_found; + printf "** EXPECT_NOT not found : %4i\n", $expnot_missing; + print "**\n"; + printf "** zero values expected:\n"; + print "**\n"; + printf "** EXPECT not found : %4i\n", $exp_missing; + printf "** missing EXPECT begin : %4i\n", $exp_missing_begin; + printf "** missing EXPECT end : %4i\n", $exp_missing_end; + print "**\n"; + printf "** EXPECT_NOT found : %4i\n", $expnot_found; + printf "** missing EXPECT_NOT begin : %4i\n", $expnot_missing_begin; + printf "** missing EXPECT_NOT end : %4i\n", $expnot_missing_end; + print "**\n"; + printf "** unittest FAIL : %4i\n", $unittest_fail; + printf "** internal error : %4i\n", $internal_err; +} + +if (@exp_begin_stack) { + print "** ERROR: EXPECT begin without matching EXPECT end:\n"; + print " This list may be misleading.\n"; + foreach $begin (@exp_begin_stack) { + print " begin ---> $begin\n"; + } } -if (@begin) { - print "** ERROR: EXPECT begin without any EXPECT end:\n"; +if (@expnot_begin_stack) { + print "** ERROR: EXPECT_NOT begin without matching EXPECT_NOT end:\n"; print " This list may be misleading.\n"; - foreach $begin (@begin) { + foreach $begin (@expnot_begin_stack) { print " begin ---> $begin\n"; } } diff --git a/scripts/dtc/util.c b/scripts/dtc/util.c index 40274fb79236..507f0120cd13 100644 --- a/scripts/dtc/util.c +++ b/scripts/dtc/util.c @@ -33,6 +33,17 @@ char *xstrdup(const char *s) return d; } +char *xstrndup(const char *s, size_t n) +{ + size_t len = strnlen(s, n) + 1; + char *d = xmalloc(len); + + memcpy(d, s, len - 1); + d[len - 1] = '\0'; + + return d; +} + int xavsprintf_append(char **strp, const char *fmt, va_list ap) { int n, size = 0; /* start with 128 bytes */ @@ -353,11 +364,11 @@ int utilfdt_decode_type(const char *fmt, int *type, int *size) } /* we should now have a type */ - if ((*fmt == '\0') || !strchr("iuxs", *fmt)) + if ((*fmt == '\0') || !strchr("iuxsr", *fmt)) return -1; /* convert qualifier (bhL) to byte size */ - if (*fmt != 's') + if (*fmt != 's' && *fmt != 'r') *size = qualifier == 'b' ? 1 : qualifier == 'h' ? 2 : qualifier == 'l' ? 4 : -1; diff --git a/scripts/dtc/util.h b/scripts/dtc/util.h index c45b2c295aa5..9d38edee9736 100644 --- a/scripts/dtc/util.h +++ b/scripts/dtc/util.h @@ -61,6 +61,7 @@ static inline void *xrealloc(void *p, size_t len) } extern char *xstrdup(const char *s); +extern char *xstrndup(const char *s, size_t len); extern int PRINTF(2, 3) xasprintf(char **strp, const char *fmt, ...); extern int PRINTF(2, 3) xasprintf_append(char **strp, const char *fmt, ...); @@ -143,6 +144,7 @@ int utilfdt_write_err(const char *filename, const void *blob); * i signed integer * u unsigned integer * x hex + * r raw * * TODO: Implement ll modifier (8 bytes) * TODO: Implement o type (octal) @@ -160,7 +162,7 @@ int utilfdt_decode_type(const char *fmt, int *type, int *size); */ #define USAGE_TYPE_MSG \ - "<type>\ts=string, i=int, u=unsigned, x=hex\n" \ + "<type>\ts=string, i=int, u=unsigned, x=hex, r=raw\n" \ "\tOptional modifier prefix:\n" \ "\t\thh or b=byte, h=2 byte, l=4 byte (default)"; diff --git a/scripts/dtc/version_gen.h b/scripts/dtc/version_gen.h index 785cc4c57326..99614ec1a289 100644 --- a/scripts/dtc/version_gen.h +++ b/scripts/dtc/version_gen.h @@ -1 +1 @@ -#define DTC_VERSION "DTC 1.6.1-g0a3a9d34" +#define DTC_VERSION "DTC 1.6.1-gabbd523b" diff --git a/scripts/faddr2line b/scripts/faddr2line index 5514c23f45c2..0e73aca4f908 100755 --- a/scripts/faddr2line +++ b/scripts/faddr2line @@ -74,7 +74,8 @@ command -v ${ADDR2LINE} >/dev/null 2>&1 || die "${ADDR2LINE} isn't installed" find_dir_prefix() { local objfile=$1 - local start_kernel_addr=$(${READELF} --symbols --wide $objfile | ${AWK} '$8 == "start_kernel" {printf "0x%s", $2}') + local start_kernel_addr=$(${READELF} --symbols --wide $objfile | sed 's/\[.*\]//' | + ${AWK} '$8 == "start_kernel" {printf "0x%s", $2}') [[ -z $start_kernel_addr ]] && return local file_line=$(${ADDR2LINE} -e $objfile $start_kernel_addr) @@ -178,7 +179,7 @@ __faddr2line() { found=2 break fi - done < <(${READELF} --symbols --wide $objfile | ${AWK} -v sec=$sym_sec '$7 == sec' | sort --key=2) + done < <(${READELF} --symbols --wide $objfile | sed 's/\[.*\]//' | ${AWK} -v sec=$sym_sec '$7 == sec' | sort --key=2) if [[ $found = 0 ]]; then warn "can't find symbol: sym_name: $sym_name sym_sec: $sym_sec sym_addr: $sym_addr sym_elf_size: $sym_elf_size" @@ -259,7 +260,7 @@ __faddr2line() { DONE=1 - done < <(${READELF} --symbols --wide $objfile | ${AWK} -v fn=$sym_name '$4 == "FUNC" && $8 == fn') + done < <(${READELF} --symbols --wide $objfile | sed 's/\[.*\]//' | ${AWK} -v fn=$sym_name '$4 == "FUNC" && $8 == fn') } [[ $# -lt 2 ]] && usage diff --git a/scripts/gcc-plugins/Makefile b/scripts/gcc-plugins/Makefile index b34d11e22636..320afd3cf8e8 100644 --- a/scripts/gcc-plugins/Makefile +++ b/scripts/gcc-plugins/Makefile @@ -29,7 +29,7 @@ GCC_PLUGINS_DIR = $(shell $(CC) -print-file-name=plugin) plugin_cxxflags = -Wp,-MMD,$(depfile) $(KBUILD_HOSTCXXFLAGS) -fPIC \ -include $(srctree)/include/linux/compiler-version.h \ -DPLUGIN_VERSION=$(call stringify,$(KERNELVERSION)) \ - -I $(GCC_PLUGINS_DIR)/include -I $(obj) -std=gnu++11 \ + -I $(GCC_PLUGINS_DIR)/include -I $(obj) \ -fno-rtti -fno-exceptions -fasynchronous-unwind-tables \ -ggdb -Wno-narrowing -Wno-unused-variable \ -Wno-format-diag diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h index 9a1895747b15..84c730da36dd 100644 --- a/scripts/gcc-plugins/gcc-common.h +++ b/scripts/gcc-plugins/gcc-common.h @@ -71,7 +71,9 @@ #include "varasm.h" #include "stor-layout.h" #include "internal-fn.h" +#include "gimple.h" #include "gimple-expr.h" +#include "gimple-iterator.h" #include "gimple-fold.h" #include "context.h" #include "tree-ssa-alias.h" @@ -85,10 +87,8 @@ #include "tree-eh.h" #include "stmt.h" #include "gimplify.h" -#include "gimple.h" #include "tree-phinodes.h" #include "tree-cfg.h" -#include "gimple-iterator.h" #include "gimple-ssa.h" #include "ssa-iterators.h" diff --git a/scripts/gdb/linux/clk.py b/scripts/gdb/linux/clk.py index 061aecfa294e..7a01fdc3e844 100644 --- a/scripts/gdb/linux/clk.py +++ b/scripts/gdb/linux/clk.py @@ -41,6 +41,8 @@ are cached and potentially out of date""" self.show_subtree(child, level + 1) def invoke(self, arg, from_tty): + if utils.gdb_eval_or_none("clk_root_list") is None: + raise gdb.GdbError("No clocks registered") gdb.write(" enable prepare protect \n") gdb.write(" clock count count count rate \n") gdb.write("------------------------------------------------------------------------\n") diff --git a/scripts/gdb/linux/constants.py.in b/scripts/gdb/linux/constants.py.in index 2efbec6b6b8d..50a92c4e9984 100644 --- a/scripts/gdb/linux/constants.py.in +++ b/scripts/gdb/linux/constants.py.in @@ -15,8 +15,10 @@ #include <linux/clk-provider.h> #include <linux/fs.h> #include <linux/hrtimer.h> +#include <linux/irq.h> #include <linux/mount.h> #include <linux/of_fdt.h> +#include <linux/radix-tree.h> #include <linux/threads.h> /* We need to stringify expanded macros so that they can be parsed */ @@ -39,21 +41,30 @@ import gdb +LX_CONFIG(CONFIG_DEBUG_INFO_REDUCED) + /* linux/clk-provider.h */ if IS_BUILTIN(CONFIG_COMMON_CLK): LX_GDBPARSED(CLK_GET_RATE_NOCACHE) /* linux/fs.h */ -LX_VALUE(SB_RDONLY) -LX_VALUE(SB_SYNCHRONOUS) -LX_VALUE(SB_MANDLOCK) -LX_VALUE(SB_DIRSYNC) -LX_VALUE(SB_NOATIME) -LX_VALUE(SB_NODIRATIME) +LX_GDBPARSED(SB_RDONLY) +LX_GDBPARSED(SB_SYNCHRONOUS) +LX_GDBPARSED(SB_MANDLOCK) +LX_GDBPARSED(SB_DIRSYNC) +LX_GDBPARSED(SB_NOATIME) +LX_GDBPARSED(SB_NODIRATIME) /* linux/htimer.h */ LX_GDBPARSED(hrtimer_resolution) +/* linux/irq.h */ +LX_GDBPARSED(IRQD_LEVEL) +LX_GDBPARSED(IRQ_HIDDEN) + +/* linux/module.h */ +LX_GDBPARSED(MOD_TEXT) + /* linux/mount.h */ LX_VALUE(MNT_NOSUID) LX_VALUE(MNT_NODEV) @@ -68,6 +79,13 @@ LX_VALUE(NR_CPUS) /* linux/of_fdt.h> */ LX_VALUE(OF_DT_HEADER) +/* linux/radix-tree.h */ +LX_GDBPARSED(RADIX_TREE_ENTRY_MASK) +LX_GDBPARSED(RADIX_TREE_INTERNAL_NODE) +LX_GDBPARSED(RADIX_TREE_MAP_SIZE) +LX_GDBPARSED(RADIX_TREE_MAP_SHIFT) +LX_GDBPARSED(RADIX_TREE_MAP_MASK) + /* Kernel Configs */ LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS) LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) @@ -75,3 +93,12 @@ LX_CONFIG(CONFIG_HIGH_RES_TIMERS) LX_CONFIG(CONFIG_NR_CPUS) LX_CONFIG(CONFIG_OF) LX_CONFIG(CONFIG_TICK_ONESHOT) +LX_CONFIG(CONFIG_GENERIC_IRQ_SHOW_LEVEL) +LX_CONFIG(CONFIG_X86_LOCAL_APIC) +LX_CONFIG(CONFIG_SMP) +LX_CONFIG(CONFIG_X86_THERMAL_VECTOR) +LX_CONFIG(CONFIG_X86_MCE_THRESHOLD) +LX_CONFIG(CONFIG_X86_MCE_AMD) +LX_CONFIG(CONFIG_X86_MCE) +LX_CONFIG(CONFIG_X86_IO_APIC) +LX_CONFIG(CONFIG_HAVE_KVM) diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py index 15fc4626d236..255dc18cb9da 100644 --- a/scripts/gdb/linux/cpus.py +++ b/scripts/gdb/linux/cpus.py @@ -163,16 +163,22 @@ def get_current_task(cpu): task_ptr_type = task_type.get_type().pointer() if utils.is_target_arch("x86"): - var_ptr = gdb.parse_and_eval("¤t_task") - return per_cpu(var_ptr, cpu).dereference() + if gdb.lookup_global_symbol("cpu_tasks"): + # This is a UML kernel, which stores the current task + # differently than other x86 sub architectures + var_ptr = gdb.parse_and_eval("(struct task_struct *)cpu_tasks[0].task") + return var_ptr.dereference() + else: + var_ptr = gdb.parse_and_eval("&pcpu_hot.current_task") + return per_cpu(var_ptr, cpu).dereference() elif utils.is_target_arch("aarch64"): - current_task_addr = gdb.parse_and_eval("$SP_EL0") - if((current_task_addr >> 63) != 0): - current_task = current_task_addr.cast(task_ptr_type) - return current_task.dereference() - else: - raise gdb.GdbError("Sorry, obtaining the current task is not allowed " - "while running in userspace(EL0)") + current_task_addr = gdb.parse_and_eval("$SP_EL0") + if (current_task_addr >> 63) != 0: + current_task = current_task_addr.cast(task_ptr_type) + return current_task.dereference() + else: + raise gdb.GdbError("Sorry, obtaining the current task is not allowed " + "while running in userspace(EL0)") else: raise gdb.GdbError("Sorry, obtaining the current task is not yet " "supported with this arch") diff --git a/scripts/gdb/linux/genpd.py b/scripts/gdb/linux/genpd.py index 39cd1abd8559..b53649c0a77a 100644 --- a/scripts/gdb/linux/genpd.py +++ b/scripts/gdb/linux/genpd.py @@ -5,7 +5,7 @@ import gdb import sys -from linux.utils import CachedType +from linux.utils import CachedType, gdb_eval_or_none from linux.lists import list_for_each_entry generic_pm_domain_type = CachedType('struct generic_pm_domain') @@ -70,6 +70,8 @@ Output is similar to /sys/kernel/debug/pm_genpd/pm_genpd_summary''' gdb.write(' %-50s %s\n' % (kobj_path, rtpm_status_str(dev))) def invoke(self, arg, from_tty): + if gdb_eval_or_none("&gpd_list") is None: + raise gdb.GdbError("No power domain(s) registered") gdb.write('domain status children\n'); gdb.write(' /device runtime status\n'); gdb.write('----------------------------------------------------------------------\n'); diff --git a/scripts/gdb/linux/interrupts.py b/scripts/gdb/linux/interrupts.py new file mode 100644 index 000000000000..ef478e273791 --- /dev/null +++ b/scripts/gdb/linux/interrupts.py @@ -0,0 +1,232 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Copyright 2023 Broadcom + +import gdb + +from linux import constants +from linux import cpus +from linux import utils +from linux import radixtree + +irq_desc_type = utils.CachedType("struct irq_desc") + +def irq_settings_is_hidden(desc): + return desc['status_use_accessors'] & constants.LX_IRQ_HIDDEN + +def irq_desc_is_chained(desc): + return desc['action'] and desc['action'] == gdb.parse_and_eval("&chained_action") + +def irqd_is_level(desc): + return desc['irq_data']['common']['state_use_accessors'] & constants.LX_IRQD_LEVEL + +def show_irq_desc(prec, irq): + text = "" + + desc = radixtree.lookup(gdb.parse_and_eval("&irq_desc_tree"), irq) + if desc is None: + return text + + desc = desc.cast(irq_desc_type.get_type()) + if desc is None: + return text + + if irq_settings_is_hidden(desc): + return text + + any_count = 0 + if desc['kstat_irqs']: + for cpu in cpus.each_online_cpu(): + any_count += cpus.per_cpu(desc['kstat_irqs'], cpu) + + if (desc['action'] == 0 or irq_desc_is_chained(desc)) and any_count == 0: + return text; + + text += "%*d: " % (prec, irq) + for cpu in cpus.each_online_cpu(): + if desc['kstat_irqs']: + count = cpus.per_cpu(desc['kstat_irqs'], cpu) + else: + count = 0 + text += "%10u" % (count) + + name = "None" + if desc['irq_data']['chip']: + chip = desc['irq_data']['chip'] + if chip['name']: + name = chip['name'].string() + else: + name = "-" + + text += " %8s" % (name) + + if desc['irq_data']['domain']: + text += " %*lu" % (prec, desc['irq_data']['hwirq']) + else: + text += " %*s" % (prec, "") + + if constants.LX_CONFIG_GENERIC_IRQ_SHOW_LEVEL: + text += " %-8s" % ("Level" if irqd_is_level(desc) else "Edge") + + if desc['name']: + text += "-%-8s" % (desc['name'].string()) + + """ Some toolchains may not be able to provide information about irqaction """ + try: + gdb.lookup_type("struct irqaction") + action = desc['action'] + if action is not None: + text += " %s" % (action['name'].string()) + while True: + action = action['next'] + if action is not None: + break + if action['name']: + text += ", %s" % (action['name'].string()) + except: + pass + + text += "\n" + + return text + +def show_irq_err_count(prec): + cnt = utils.gdb_eval_or_none("irq_err_count") + text = "" + if cnt is not None: + text += "%*s: %10u\n" % (prec, "ERR", cnt['counter']) + return text + +def x86_show_irqstat(prec, pfx, field, desc): + irq_stat = gdb.parse_and_eval("&irq_stat") + text = "%*s: " % (prec, pfx) + for cpu in cpus.each_online_cpu(): + stat = cpus.per_cpu(irq_stat, cpu) + text += "%10u " % (stat[field]) + text += " %s\n" % (desc) + return text + +def x86_show_mce(prec, var, pfx, desc): + pvar = gdb.parse_and_eval(var) + text = "%*s: " % (prec, pfx) + for cpu in cpus.each_online_cpu(): + text += "%10u " % (cpus.per_cpu(pvar, cpu)) + text += " %s\n" % (desc) + return text + +def x86_show_interupts(prec): + text = x86_show_irqstat(prec, "NMI", '__nmi_count', 'Non-maskable interrupts') + + if constants.LX_CONFIG_X86_LOCAL_APIC: + text += x86_show_irqstat(prec, "LOC", 'apic_timer_irqs', "Local timer interrupts") + text += x86_show_irqstat(prec, "SPU", 'irq_spurious_count', "Spurious interrupts") + text += x86_show_irqstat(prec, "PMI", 'apic_perf_irqs', "Performance monitoring interrupts") + text += x86_show_irqstat(prec, "IWI", 'apic_irq_work_irqs', "IRQ work interrupts") + text += x86_show_irqstat(prec, "RTR", 'icr_read_retry_count', "APIC ICR read retries") + if utils.gdb_eval_or_none("x86_platform_ipi_callback") is not None: + text += x86_show_irqstat(prec, "PLT", 'x86_platform_ipis', "Platform interrupts") + + if constants.LX_CONFIG_SMP: + text += x86_show_irqstat(prec, "RES", 'irq_resched_count', "Rescheduling interrupts") + text += x86_show_irqstat(prec, "CAL", 'irq_call_count', "Function call interrupts") + text += x86_show_irqstat(prec, "TLB", 'irq_tlb_count', "TLB shootdowns") + + if constants.LX_CONFIG_X86_THERMAL_VECTOR: + text += x86_show_irqstat(prec, "TRM", 'irq_thermal_count', "Thermal events interrupts") + + if constants.LX_CONFIG_X86_MCE_THRESHOLD: + text += x86_show_irqstat(prec, "THR", 'irq_threshold_count', "Threshold APIC interrupts") + + if constants.LX_CONFIG_X86_MCE_AMD: + text += x86_show_irqstat(prec, "DFR", 'irq_deferred_error_count', "Deferred Error APIC interrupts") + + if constants.LX_CONFIG_X86_MCE: + text += x86_show_mce(prec, "&mce_exception_count", "MCE", "Machine check exceptions") + text == x86_show_mce(prec, "&mce_poll_count", "MCP", "Machine check polls") + + text += show_irq_err_count(prec) + + if constants.LX_CONFIG_X86_IO_APIC: + cnt = utils.gdb_eval_or_none("irq_mis_count") + if cnt is not None: + text += "%*s: %10u\n" % (prec, "MIS", cnt['counter']) + + if constants.LX_CONFIG_HAVE_KVM: + text += x86_show_irqstat(prec, "PIN", 'kvm_posted_intr_ipis', 'Posted-interrupt notification event') + text += x86_show_irqstat(prec, "NPI", 'kvm_posted_intr_nested_ipis', 'Nested posted-interrupt event') + text += x86_show_irqstat(prec, "PIW", 'kvm_posted_intr_wakeup_ipis', 'Posted-interrupt wakeup event') + + return text + +def arm_common_show_interrupts(prec): + text = "" + nr_ipi = utils.gdb_eval_or_none("nr_ipi") + ipi_desc = utils.gdb_eval_or_none("ipi_desc") + ipi_types = utils.gdb_eval_or_none("ipi_types") + if nr_ipi is None or ipi_desc is None or ipi_types is None: + return text + + if prec >= 4: + sep = " " + else: + sep = "" + + for ipi in range(nr_ipi): + text += "%*s%u:%s" % (prec - 1, "IPI", ipi, sep) + desc = ipi_desc[ipi].cast(irq_desc_type.get_type().pointer()) + if desc == 0: + continue + for cpu in cpus.each_online_cpu(): + text += "%10u" % (cpus.per_cpu(desc['kstat_irqs'], cpu)) + text += " %s" % (ipi_types[ipi].string()) + text += "\n" + return text + +def aarch64_show_interrupts(prec): + text = arm_common_show_interrupts(prec) + text += "%*s: %10lu\n" % (prec, "ERR", gdb.parse_and_eval("irq_err_count")) + return text + +def arch_show_interrupts(prec): + text = "" + if utils.is_target_arch("x86"): + text += x86_show_interupts(prec) + elif utils.is_target_arch("aarch64"): + text += aarch64_show_interrupts(prec) + elif utils.is_target_arch("arm"): + text += arm_common_show_interrupts(prec) + elif utils.is_target_arch("mips"): + text += show_irq_err_count(prec) + else: + raise gdb.GdbError("Unsupported architecture: {}".format(target_arch)) + + return text + +class LxInterruptList(gdb.Command): + """Print /proc/interrupts""" + + def __init__(self): + super(LxInterruptList, self).__init__("lx-interruptlist", gdb.COMMAND_DATA) + + def invoke(self, arg, from_tty): + nr_irqs = gdb.parse_and_eval("nr_irqs") + prec = 3 + j = 1000 + while prec < 10 and j <= nr_irqs: + prec += 1 + j *= 10 + + gdb.write("%*s" % (prec + 8, "")) + for cpu in cpus.each_online_cpu(): + gdb.write("CPU%-8d" % cpu) + gdb.write("\n") + + if utils.gdb_eval_or_none("&irq_desc_tree") is None: + return + + for irq in range(nr_irqs): + gdb.write(show_irq_desc(prec, irq)) + gdb.write(arch_show_interrupts(prec)) + + +LxInterruptList() diff --git a/scripts/gdb/linux/mm.py b/scripts/gdb/linux/mm.py new file mode 100644 index 000000000000..30d837f3dfae --- /dev/null +++ b/scripts/gdb/linux/mm.py @@ -0,0 +1,222 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# gdb helper commands and functions for Linux kernel debugging +# +# routines to introspect page table +# +# Authors: +# Dmitrii Bundin <dmitrii.bundin.a@gmail.com> +# + +import gdb + +from linux import utils + +PHYSICAL_ADDRESS_MASK = gdb.parse_and_eval('0xfffffffffffff') + + +def page_mask(level=1): + # 4KB + if level == 1: + return gdb.parse_and_eval('(u64) ~0xfff') + # 2MB + elif level == 2: + return gdb.parse_and_eval('(u64) ~0x1fffff') + # 1GB + elif level == 3: + return gdb.parse_and_eval('(u64) ~0x3fffffff') + else: + raise Exception(f'Unknown page level: {level}') + + +#page_offset_base in case CONFIG_DYNAMIC_MEMORY_LAYOUT is disabled +POB_NO_DYNAMIC_MEM_LAYOUT = '0xffff888000000000' +def _page_offset_base(): + pob_symbol = gdb.lookup_global_symbol('page_offset_base') + pob = pob_symbol.name if pob_symbol else POB_NO_DYNAMIC_MEM_LAYOUT + return gdb.parse_and_eval(pob) + + +def is_bit_defined_tupled(data, offset): + return offset, bool(data >> offset & 1) + +def content_tupled(data, bit_start, bit_end): + return (bit_start, bit_end), data >> bit_start & ((1 << (1 + bit_end - bit_start)) - 1) + +def entry_va(level, phys_addr, translating_va): + def start_bit(level): + if level == 5: + return 48 + elif level == 4: + return 39 + elif level == 3: + return 30 + elif level == 2: + return 21 + elif level == 1: + return 12 + else: + raise Exception(f'Unknown level {level}') + + entry_offset = ((translating_va >> start_bit(level)) & 511) * 8 + entry_va = _page_offset_base() + phys_addr + entry_offset + return entry_va + +class Cr3(): + def __init__(self, cr3, page_levels): + self.cr3 = cr3 + self.page_levels = page_levels + self.page_level_write_through = is_bit_defined_tupled(cr3, 3) + self.page_level_cache_disabled = is_bit_defined_tupled(cr3, 4) + self.next_entry_physical_address = cr3 & PHYSICAL_ADDRESS_MASK & page_mask() + + def next_entry(self, va): + next_level = self.page_levels + return PageHierarchyEntry(entry_va(next_level, self.next_entry_physical_address, va), next_level) + + def mk_string(self): + return f"""\ +cr3: + {'cr3 binary data': <30} {hex(self.cr3)} + {'next entry physical address': <30} {hex(self.next_entry_physical_address)} + --- + {'bit' : <4} {self.page_level_write_through[0]: <10} {'page level write through': <30} {self.page_level_write_through[1]} + {'bit' : <4} {self.page_level_cache_disabled[0]: <10} {'page level cache disabled': <30} {self.page_level_cache_disabled[1]} +""" + + +class PageHierarchyEntry(): + def __init__(self, address, level): + data = int.from_bytes( + memoryview(gdb.selected_inferior().read_memory(address, 8)), + "little" + ) + if level == 1: + self.is_page = True + self.entry_present = is_bit_defined_tupled(data, 0) + self.read_write = is_bit_defined_tupled(data, 1) + self.user_access_allowed = is_bit_defined_tupled(data, 2) + self.page_level_write_through = is_bit_defined_tupled(data, 3) + self.page_level_cache_disabled = is_bit_defined_tupled(data, 4) + self.entry_was_accessed = is_bit_defined_tupled(data, 5) + self.dirty = is_bit_defined_tupled(data, 6) + self.pat = is_bit_defined_tupled(data, 7) + self.global_translation = is_bit_defined_tupled(data, 8) + self.page_physical_address = data & PHYSICAL_ADDRESS_MASK & page_mask(level) + self.next_entry_physical_address = None + self.hlat_restart_with_ordinary = is_bit_defined_tupled(data, 11) + self.protection_key = content_tupled(data, 59, 62) + self.executed_disable = is_bit_defined_tupled(data, 63) + else: + page_size = is_bit_defined_tupled(data, 7) + page_size_bit = page_size[1] + self.is_page = page_size_bit + self.entry_present = is_bit_defined_tupled(data, 0) + self.read_write = is_bit_defined_tupled(data, 1) + self.user_access_allowed = is_bit_defined_tupled(data, 2) + self.page_level_write_through = is_bit_defined_tupled(data, 3) + self.page_level_cache_disabled = is_bit_defined_tupled(data, 4) + self.entry_was_accessed = is_bit_defined_tupled(data, 5) + self.page_size = page_size + self.dirty = is_bit_defined_tupled( + data, 6) if page_size_bit else None + self.global_translation = is_bit_defined_tupled( + data, 8) if page_size_bit else None + self.pat = is_bit_defined_tupled( + data, 12) if page_size_bit else None + self.page_physical_address = data & PHYSICAL_ADDRESS_MASK & page_mask(level) if page_size_bit else None + self.next_entry_physical_address = None if page_size_bit else data & PHYSICAL_ADDRESS_MASK & page_mask() + self.hlat_restart_with_ordinary = is_bit_defined_tupled(data, 11) + self.protection_key = content_tupled(data, 59, 62) if page_size_bit else None + self.executed_disable = is_bit_defined_tupled(data, 63) + self.address = address + self.page_entry_binary_data = data + self.page_hierarchy_level = level + + def next_entry(self, va): + if self.is_page or not self.entry_present[1]: + return None + + next_level = self.page_hierarchy_level - 1 + return PageHierarchyEntry(entry_va(next_level, self.next_entry_physical_address, va), next_level) + + + def mk_string(self): + if not self.entry_present[1]: + return f"""\ +level {self.page_hierarchy_level}: + {'entry address': <30} {hex(self.address)} + {'page entry binary data': <30} {hex(self.page_entry_binary_data)} + --- + PAGE ENTRY IS NOT PRESENT! +""" + elif self.is_page: + def page_size_line(ps_bit, ps, level): + return "" if level == 1 else f"{'bit': <3} {ps_bit: <5} {'page size': <30} {ps}" + + return f"""\ +level {self.page_hierarchy_level}: + {'entry address': <30} {hex(self.address)} + {'page entry binary data': <30} {hex(self.page_entry_binary_data)} + {'page size': <30} {'1GB' if self.page_hierarchy_level == 3 else '2MB' if self.page_hierarchy_level == 2 else '4KB' if self.page_hierarchy_level == 1 else 'Unknown page size for level:' + self.page_hierarchy_level} + {'page physical address': <30} {hex(self.page_physical_address)} + --- + {'bit': <4} {self.entry_present[0]: <10} {'entry present': <30} {self.entry_present[1]} + {'bit': <4} {self.read_write[0]: <10} {'read/write access allowed': <30} {self.read_write[1]} + {'bit': <4} {self.user_access_allowed[0]: <10} {'user access allowed': <30} {self.user_access_allowed[1]} + {'bit': <4} {self.page_level_write_through[0]: <10} {'page level write through': <30} {self.page_level_write_through[1]} + {'bit': <4} {self.page_level_cache_disabled[0]: <10} {'page level cache disabled': <30} {self.page_level_cache_disabled[1]} + {'bit': <4} {self.entry_was_accessed[0]: <10} {'entry has been accessed': <30} {self.entry_was_accessed[1]} + {"" if self.page_hierarchy_level == 1 else f"{'bit': <4} {self.page_size[0]: <10} {'page size': <30} {self.page_size[1]}"} + {'bit': <4} {self.dirty[0]: <10} {'page dirty': <30} {self.dirty[1]} + {'bit': <4} {self.global_translation[0]: <10} {'global translation': <30} {self.global_translation[1]} + {'bit': <4} {self.hlat_restart_with_ordinary[0]: <10} {'restart to ordinary': <30} {self.hlat_restart_with_ordinary[1]} + {'bit': <4} {self.pat[0]: <10} {'pat': <30} {self.pat[1]} + {'bits': <4} {str(self.protection_key[0]): <10} {'protection key': <30} {self.protection_key[1]} + {'bit': <4} {self.executed_disable[0]: <10} {'execute disable': <30} {self.executed_disable[1]} +""" + else: + return f"""\ +level {self.page_hierarchy_level}: + {'entry address': <30} {hex(self.address)} + {'page entry binary data': <30} {hex(self.page_entry_binary_data)} + {'next entry physical address': <30} {hex(self.next_entry_physical_address)} + --- + {'bit': <4} {self.entry_present[0]: <10} {'entry present': <30} {self.entry_present[1]} + {'bit': <4} {self.read_write[0]: <10} {'read/write access allowed': <30} {self.read_write[1]} + {'bit': <4} {self.user_access_allowed[0]: <10} {'user access allowed': <30} {self.user_access_allowed[1]} + {'bit': <4} {self.page_level_write_through[0]: <10} {'page level write through': <30} {self.page_level_write_through[1]} + {'bit': <4} {self.page_level_cache_disabled[0]: <10} {'page level cache disabled': <30} {self.page_level_cache_disabled[1]} + {'bit': <4} {self.entry_was_accessed[0]: <10} {'entry has been accessed': <30} {self.entry_was_accessed[1]} + {'bit': <4} {self.page_size[0]: <10} {'page size': <30} {self.page_size[1]} + {'bit': <4} {self.hlat_restart_with_ordinary[0]: <10} {'restart to ordinary': <30} {self.hlat_restart_with_ordinary[1]} + {'bit': <4} {self.executed_disable[0]: <10} {'execute disable': <30} {self.executed_disable[1]} +""" + + +class TranslateVM(gdb.Command): + """Prints the entire paging structure used to translate a given virtual address. + +Having an address space of the currently executed process translates the virtual address +and prints detailed information of all paging structure levels used for the transaltion. +Currently supported arch: x86""" + + def __init__(self): + super(TranslateVM, self).__init__('translate-vm', gdb.COMMAND_USER) + + def invoke(self, arg, from_tty): + if utils.is_target_arch("x86"): + vm_address = gdb.parse_and_eval(f'{arg}') + cr3_data = gdb.parse_and_eval('$cr3') + cr4 = gdb.parse_and_eval('$cr4') + page_levels = 5 if cr4 & (1 << 12) else 4 + page_entry = Cr3(cr3_data, page_levels) + while page_entry: + gdb.write(page_entry.mk_string()) + page_entry = page_entry.next_entry(vm_address) + else: + gdb.GdbError("Virtual address translation is not" + "supported for this arch") + + +TranslateVM() diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py index 441b23239896..261f28640f4c 100644 --- a/scripts/gdb/linux/modules.py +++ b/scripts/gdb/linux/modules.py @@ -13,7 +13,7 @@ import gdb -from linux import cpus, utils, lists +from linux import cpus, utils, lists, constants module_type = utils.CachedType("struct module") @@ -73,7 +73,7 @@ class LxLsmod(gdb.Command): " " if utils.get_long_type().sizeof == 8 else "")) for module in module_list(): - layout = module['core_layout'] + layout = module['mem'][constants.LX_MOD_TEXT] gdb.write("{address} {name:<19} {size:>8} {ref}".format( address=str(layout['base']).split()[0], name=module['name'].string(), diff --git a/scripts/gdb/linux/proc.py b/scripts/gdb/linux/proc.py index 09cd871925a5..43c687e7a69d 100644 --- a/scripts/gdb/linux/proc.py +++ b/scripts/gdb/linux/proc.py @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # gdb helper commands and functions for Linux kernel debugging # @@ -16,6 +17,7 @@ from linux import constants from linux import utils from linux import tasks from linux import lists +from linux import vfs from struct import * @@ -170,16 +172,16 @@ values of that process namespace""" gdb.write("{:^18} {:^15} {:>9} {} {} options\n".format( "mount", "super_block", "devname", "pathname", "fstype")) - for vfs in lists.list_for_each_entry(namespace['list'], + for mnt in lists.list_for_each_entry(namespace['list'], mount_ptr_type, "mnt_list"): - devname = vfs['mnt_devname'].string() + devname = mnt['mnt_devname'].string() devname = devname if devname else "none" pathname = "" - parent = vfs + parent = mnt while True: mntpoint = parent['mnt_mountpoint'] - pathname = utils.dentry_name(mntpoint) + pathname + pathname = vfs.dentry_name(mntpoint) + pathname if (parent == parent['mnt_parent']): break parent = parent['mnt_parent'] @@ -187,14 +189,14 @@ values of that process namespace""" if (pathname == ""): pathname = "/" - superblock = vfs['mnt']['mnt_sb'] + superblock = mnt['mnt']['mnt_sb'] fstype = superblock['s_type']['name'].string() s_flags = int(superblock['s_flags']) - m_flags = int(vfs['mnt']['mnt_flags']) + m_flags = int(mnt['mnt']['mnt_flags']) rd = "ro" if (s_flags & constants.LX_SB_RDONLY) else "rw" gdb.write("{} {} {} {} {} {}{}{} 0 0\n".format( - vfs.format_string(), superblock.format_string(), devname, + mnt.format_string(), superblock.format_string(), devname, pathname, fstype, rd, info_opts(FS_INFO, s_flags), info_opts(MNT_INFO, m_flags))) diff --git a/scripts/gdb/linux/radixtree.py b/scripts/gdb/linux/radixtree.py new file mode 100644 index 000000000000..074543ac763d --- /dev/null +++ b/scripts/gdb/linux/radixtree.py @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Radix Tree Parser +# +# Copyright (c) 2016 Linaro Ltd +# Copyright (c) 2023 Broadcom +# +# Authors: +# Kieran Bingham <kieran.bingham@linaro.org> +# Florian Fainelli <f.fainelli@gmail.com> + +import gdb + +from linux import utils +from linux import constants + +radix_tree_root_type = utils.CachedType("struct xarray") +radix_tree_node_type = utils.CachedType("struct xa_node") + +def is_internal_node(node): + long_type = utils.get_long_type() + return ((node.cast(long_type) & constants.LX_RADIX_TREE_ENTRY_MASK) == constants.LX_RADIX_TREE_INTERNAL_NODE) + +def entry_to_node(node): + long_type = utils.get_long_type() + node_type = node.type + indirect_ptr = node.cast(long_type) & ~constants.LX_RADIX_TREE_INTERNAL_NODE + return indirect_ptr.cast(radix_tree_node_type.get_type().pointer()) + +def node_maxindex(node): + return (constants.LX_RADIX_TREE_MAP_SIZE << node['shift']) - 1 + +def lookup(root, index): + if root.type == radix_tree_root_type.get_type().pointer(): + node = root.dereference() + elif root.type != radix_tree_root_type.get_type(): + raise gdb.GdbError("must be {} not {}" + .format(radix_tree_root_type.get_type(), root.type)) + + node = root['xa_head'] + if node == 0: + return None + + if not (is_internal_node(node)): + if (index > 0): + return None + return node + + node = entry_to_node(node) + maxindex = node_maxindex(node) + + if (index > maxindex): + return None + + shift = node['shift'] + constants.LX_RADIX_TREE_MAP_SHIFT + + while True: + offset = (index >> node['shift']) & constants.LX_RADIX_TREE_MAP_MASK + slot = node['slots'][offset] + + if slot == 0: + return None + + node = slot.cast(node.type.pointer()).dereference() + if node == 0: + return None + + shift -= constants.LX_RADIX_TREE_MAP_SHIFT + if (shift <= 0): + break + + return node + +class LxRadixTree(gdb.Function): + """ Lookup and return a node from a RadixTree. + +$lx_radix_tree_lookup(root_node [, index]): Return the node at the given index. +If index is omitted, the root node is dereference and returned.""" + + def __init__(self): + super(LxRadixTree, self).__init__("lx_radix_tree_lookup") + + def invoke(self, root, index=0): + result = lookup(root, index) + if result is None: + raise gdb.GdbError("No entry in tree at index {}".format(index)) + + return result + +LxRadixTree() diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py index dc07b6d12e30..fdad3f32c747 100644 --- a/scripts/gdb/linux/symbols.py +++ b/scripts/gdb/linux/symbols.py @@ -15,7 +15,7 @@ import gdb import os import re -from linux import modules, utils +from linux import modules, utils, constants if hasattr(gdb, 'Breakpoint'): @@ -109,7 +109,7 @@ lx-symbols command.""" def load_module_symbols(self, module): module_name = module['name'].string() - module_addr = str(module['core_layout']['base']).split()[0] + module_addr = str(module['mem'][constants.LX_MOD_TEXT]['base']).split()[0] module_file = self._get_module_file(module_name) if not module_file and not self.module_files_updated: diff --git a/scripts/gdb/linux/timerlist.py b/scripts/gdb/linux/timerlist.py index 071d0dd5a634..64bc87191003 100644 --- a/scripts/gdb/linux/timerlist.py +++ b/scripts/gdb/linux/timerlist.py @@ -43,8 +43,7 @@ def print_timer(rb_node, idx): def print_active_timers(base): - curr = base['active']['next']['node'] - curr = curr.address.cast(rbtree.rb_node_type.get_type().pointer()) + curr = base['active']['rb_root']['rb_leftmost'] idx = 0 while curr: yield print_timer(curr, idx) @@ -73,7 +72,7 @@ def print_cpu(hrtimer_bases, cpu, max_clock_bases): ts = cpus.per_cpu(tick_sched_ptr, cpu) text = "cpu: {}\n".format(cpu) - for i in xrange(max_clock_bases): + for i in range(max_clock_bases): text += " clock {}:\n".format(i) text += print_base(cpu_base['clock_base'][i]) @@ -158,6 +157,8 @@ def pr_cpumask(mask): num_bytes = (nr_cpu_ids + 7) / 8 buf = utils.read_memoryview(inf, bits, num_bytes).tobytes() buf = binascii.b2a_hex(buf) + if type(buf) is not str: + buf=buf.decode() chunks = [] i = num_bytes @@ -173,7 +174,7 @@ def pr_cpumask(mask): if 0 < extra <= 4: chunks[0] = chunks[0][0] # Cut off the first 0 - return "".join(chunks) + return "".join(str(chunks)) class LxTimerList(gdb.Command): @@ -187,7 +188,8 @@ class LxTimerList(gdb.Command): max_clock_bases = gdb.parse_and_eval("HRTIMER_MAX_CLOCK_BASES") text = "Timer List Version: gdb scripts\n" - text += "HRTIMER_MAX_CLOCK_BASES: {}\n".format(max_clock_bases) + text += "HRTIMER_MAX_CLOCK_BASES: {}\n".format( + max_clock_bases.type.fields()[max_clock_bases].enumval) text += "now at {} nsecs\n".format(ktime_get()) for cpu in cpus.each_online_cpu(): diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py index 1553f68716cc..9f44df13761e 100644 --- a/scripts/gdb/linux/utils.py +++ b/scripts/gdb/linux/utils.py @@ -88,7 +88,10 @@ def get_target_endianness(): def read_memoryview(inf, start, length): - return memoryview(inf.read_memory(start, length)) + m = inf.read_memory(start, length) + if type(m) is memoryview: + return m + return memoryview(m) def read_u16(buffer, offset): @@ -193,11 +196,3 @@ def gdb_eval_or_none(expresssion): return gdb.parse_and_eval(expresssion) except gdb.error: return None - - -def dentry_name(d): - parent = d['d_parent'] - if parent == d or parent == 0: - return "" - p = dentry_name(d['d_parent']) + "/" - return p + d['d_iname'].string() diff --git a/scripts/gdb/linux/vfs.py b/scripts/gdb/linux/vfs.py new file mode 100644 index 000000000000..c77b9ce75f6d --- /dev/null +++ b/scripts/gdb/linux/vfs.py @@ -0,0 +1,59 @@ +# +# gdb helper commands and functions for Linux kernel debugging +# +# VFS tools +# +# Copyright (c) 2023 Glenn Washburn +# Copyright (c) 2016 Linaro Ltd +# +# Authors: +# Glenn Washburn <development@efficientek.com> +# Kieran Bingham <kieran.bingham@linaro.org> +# +# This work is licensed under the terms of the GNU GPL version 2. +# + +import gdb +from linux import utils + + +def dentry_name(d): + parent = d['d_parent'] + if parent == d or parent == 0: + return "" + p = dentry_name(d['d_parent']) + "/" + return p + d['d_iname'].string() + +class DentryName(gdb.Function): + """Return string of the full path of a dentry. + +$lx_dentry_name(PTR): Given PTR to a dentry struct, return a string +of the full path of the dentry.""" + + def __init__(self): + super(DentryName, self).__init__("lx_dentry_name") + + def invoke(self, dentry_ptr): + return dentry_name(dentry_ptr) + +DentryName() + + +dentry_type = utils.CachedType("struct dentry") + +class InodeDentry(gdb.Function): + """Return dentry pointer for inode. + +$lx_i_dentry(PTR): Given PTR to an inode struct, return a pointer to +the associated dentry struct, if there is one.""" + + def __init__(self): + super(InodeDentry, self).__init__("lx_i_dentry") + + def invoke(self, inode_ptr): + d_u = inode_ptr["i_dentry"]["first"] + if d_u == 0: + return "" + return utils.container_of(d_u, dentry_type.get_type().pointer(), "d_u") + +InodeDentry() diff --git a/scripts/gdb/vmlinux-gdb.py b/scripts/gdb/vmlinux-gdb.py index 3e8d3669f0ce..2d32308c3f7a 100644 --- a/scripts/gdb/vmlinux-gdb.py +++ b/scripts/gdb/vmlinux-gdb.py @@ -22,6 +22,10 @@ except: gdb.write("NOTE: gdb 7.2 or later required for Linux helper scripts to " "work.\n") else: + import linux.constants + if linux.constants.LX_CONFIG_DEBUG_INFO_REDUCED: + raise gdb.GdbError("Reduced debug information will prevent GDB " + "from having complete types.\n") import linux.utils import linux.symbols import linux.modules @@ -32,8 +36,11 @@ else: import linux.lists import linux.rbtree import linux.proc - import linux.constants import linux.timerlist import linux.clk import linux.genpd import linux.device + import linux.vfs + import linux.mm + import linux.radixtree + import linux.interrupts diff --git a/scripts/gen_autoksyms.sh b/scripts/gen_autoksyms.sh index 653fadbad302..12bcfae940ee 100755 --- a/scripts/gen_autoksyms.sh +++ b/scripts/gen_autoksyms.sh @@ -48,7 +48,7 @@ cat > "$output_file" << EOT EOT { - [ -n "${read_modorder}" ] && sed 's/ko$/usyms/' modules.order | xargs cat + [ -n "${read_modorder}" ] && sed 's/o$/usyms/' modules.order | xargs cat echo "$needed_symbols" [ -n "$ksym_wl" ] && cat "$ksym_wl" } | sed -e 's/ /\n/g' | sed -n -e '/^$/!p' | diff --git a/scripts/generate_rust_analyzer.py b/scripts/generate_rust_analyzer.py index 75bb611bd751..946e250c1b2a 100755 --- a/scripts/generate_rust_analyzer.py +++ b/scripts/generate_rust_analyzer.py @@ -68,6 +68,12 @@ def generate_crates(srctree, objtree, sysroot_src): crates[-1]["proc_macro_dylib_path"] = "rust/libmacros.so" append_crate( + "build_error", + srctree / "rust" / "build_error.rs", + ["core", "compiler_builtins"], + ) + + append_crate( "bindings", srctree / "rust"/ "bindings" / "lib.rs", ["core"], @@ -78,7 +84,7 @@ def generate_crates(srctree, objtree, sysroot_src): append_crate( "kernel", srctree / "rust" / "kernel" / "lib.rs", - ["core", "alloc", "macros", "bindings"], + ["core", "alloc", "macros", "build_error", "bindings"], cfg=cfg, ) crates[-1]["source"] = { @@ -98,7 +104,10 @@ def generate_crates(srctree, objtree, sysroot_src): name = path.name.replace(".rs", "") # Skip those that are not crate roots. - if f"{name}.o" not in open(path.parent / "Makefile").read(): + try: + if f"{name}.o" not in open(path.parent / "Makefile").read(): + continue + except FileNotFoundError: continue logging.info("Adding %s", name) diff --git a/scripts/gfp-translate b/scripts/gfp-translate index b2ce416d944b..6c9aed17cf56 100755 --- a/scripts/gfp-translate +++ b/scripts/gfp-translate @@ -63,11 +63,11 @@ fi # Extract GFP flags from the kernel source TMPFILE=`mktemp -t gfptranslate-XXXXXX` || exit 1 -grep -q ___GFP $SOURCE/include/linux/gfp.h +grep -q ___GFP $SOURCE/include/linux/gfp_types.h if [ $? -eq 0 ]; then - grep "^#define ___GFP" $SOURCE/include/linux/gfp.h | sed -e 's/u$//' | grep -v GFP_BITS > $TMPFILE + grep "^#define ___GFP" $SOURCE/include/linux/gfp_types.h | sed -e 's/u$//' | grep -v GFP_BITS > $TMPFILE else - grep "^#define __GFP" $SOURCE/include/linux/gfp.h | sed -e 's/(__force gfp_t)//' | sed -e 's/u)/)/' | grep -v GFP_BITS | sed -e 's/)\//) \//' > $TMPFILE + grep "^#define __GFP" $SOURCE/include/linux/gfp_types.h | sed -e 's/(__force gfp_t)//' | sed -e 's/u)/)/' | grep -v GFP_BITS | sed -e 's/)\//) \//' > $TMPFILE fi # Parse the flags diff --git a/scripts/head-object-list.txt b/scripts/head-object-list.txt index b16326a92c45..b2a0e21ea8d7 100644 --- a/scripts/head-object-list.txt +++ b/scripts/head-object-list.txt @@ -15,7 +15,6 @@ arch/alpha/kernel/head.o arch/arc/kernel/head.o arch/arm/kernel/head-nommu.o arch/arm/kernel/head.o -arch/arm64/kernel/head.o arch/csky/kernel/head.o arch/hexagon/kernel/head.o arch/ia64/kernel/head.o @@ -39,15 +38,8 @@ arch/powerpc/kernel/entry_64.o arch/powerpc/kernel/fpu.o arch/powerpc/kernel/vector.o arch/powerpc/kernel/prom_init.o -arch/riscv/kernel/head.o arch/s390/kernel/head64.o arch/sh/kernel/head_32.o arch/sparc/kernel/head_32.o arch/sparc/kernel/head_64.o -arch/x86/kernel/head_32.o -arch/x86/kernel/head_64.o -arch/x86/kernel/head32.o -arch/x86/kernel/head64.o -arch/x86/kernel/ebda.o -arch/x86/kernel/platform-quirks.o arch/xtensa/kernel/head.o diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh index 4041881746ad..36b56b746fce 100755 --- a/scripts/headers_install.sh +++ b/scripts/headers_install.sh @@ -83,10 +83,6 @@ arch/nios2/include/uapi/asm/swab.h:CONFIG_NIOS2_CI_SWAB_SUPPORT arch/x86/include/uapi/asm/auxvec.h:CONFIG_IA32_EMULATION arch/x86/include/uapi/asm/auxvec.h:CONFIG_X86_64 arch/x86/include/uapi/asm/mman.h:CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS -include/uapi/linux/atmdev.h:CONFIG_COMPAT -include/uapi/linux/eventpoll.h:CONFIG_PM_SLEEP -include/uapi/linux/hw_breakpoint.h:CONFIG_HAVE_MIXED_BREAKPOINTS_REGS -include/uapi/linux/pktcdvd.h:CONFIG_CDROM_PKTCDVD_WCACHE " for c in $configs diff --git a/scripts/is_rust_module.sh b/scripts/is_rust_module.sh index 28b3831a7593..464761a7cf7f 100755 --- a/scripts/is_rust_module.sh +++ b/scripts/is_rust_module.sh @@ -13,4 +13,4 @@ set -e # # In the future, checking for the `.comment` section may be another # option, see https://github.com/rust-lang/rust/pull/97550. -${NM} "$*" | grep -qE '^[0-9a-fA-F]+ r _R[^[:space:]]+16___IS_RUST_MODULE[^[:space:]]*$' +${NM} "$*" | grep -qE '^[0-9a-fA-F]+ [Rr] _R[^[:space:]]+16___IS_RUST_MODULE[^[:space:]]*$' diff --git a/scripts/jobserver-exec b/scripts/jobserver-exec index 8762887a970c..7eca035472d3 100755 --- a/scripts/jobserver-exec +++ b/scripts/jobserver-exec @@ -23,12 +23,23 @@ try: opts = [x for x in flags.split(" ") if x.startswith("--jobserver")] # Parse out R,W file descriptor numbers and set them nonblocking. - fds = opts[0].split("=", 1)[1] - reader, writer = [int(x) for x in fds.split(",", 1)] - # Open a private copy of reader to avoid setting nonblocking - # on an unexpecting process with the same reader fd. - reader = os.open("/proc/self/fd/%d" % (reader), - os.O_RDONLY | os.O_NONBLOCK) + # If the MAKEFLAGS variable contains multiple instances of the + # --jobserver-auth= option, the last one is relevant. + fds = opts[-1].split("=", 1)[1] + + # Starting with GNU Make 4.4, named pipes are used for reader and writer. + # Example argument: --jobserver-auth=fifo:/tmp/GMfifo8134 + _, _, path = fds.partition('fifo:') + + if path: + reader = os.open(path, os.O_RDONLY | os.O_NONBLOCK) + writer = os.open(path, os.O_WRONLY) + else: + reader, writer = [int(x) for x in fds.split(",", 1)] + # Open a private copy of reader to avoid setting nonblocking + # on an unexpecting process with the same reader fd. + reader = os.open("/proc/self/fd/%d" % (reader), + os.O_RDONLY | os.O_NONBLOCK) # Read out as many jobserver slots as possible. while True: diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 03fa07ad45d9..0d2db41177b2 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -5,7 +5,8 @@ * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * - * Usage: nm -n vmlinux | scripts/kallsyms [--all-symbols] > symbols.S + * Usage: kallsyms [--all-symbols] [--absolute-percpu] + * [--base-relative] [--lto-clang] in.map > out.S * * Table compression uses all the unused char codes on the symbols and * maps these to the most used substrings (tokens). For instance, it might @@ -49,6 +50,7 @@ _Static_assert( struct sym_entry { unsigned long long addr; unsigned int len; + unsigned int seq; unsigned int start_pos; unsigned int percpu_absolute; unsigned char sym[]; @@ -77,6 +79,7 @@ static unsigned int table_size, table_cnt; static int all_symbols; static int absolute_percpu; static int base_relative; +static int lto_clang; static int token_profit[0x10000]; @@ -88,7 +91,7 @@ static unsigned char best_table_len[256]; static void usage(void) { fprintf(stderr, "Usage: kallsyms [--all-symbols] [--absolute-percpu] " - "[--base-relative] in.map > out.S\n"); + "[--base-relative] [--lto-clang] in.map > out.S\n"); exit(1); } @@ -99,85 +102,7 @@ static char *sym_name(const struct sym_entry *s) static bool is_ignored_symbol(const char *name, char type) { - /* Symbol names that exactly match to the following are ignored.*/ - static const char * const ignored_symbols[] = { - /* - * Symbols which vary between passes. Passes 1 and 2 must have - * identical symbol lists. The kallsyms_* symbols below are - * only added after pass 1, they would be included in pass 2 - * when --all-symbols is specified so exclude them to get a - * stable symbol list. - */ - "kallsyms_addresses", - "kallsyms_offsets", - "kallsyms_relative_base", - "kallsyms_num_syms", - "kallsyms_names", - "kallsyms_markers", - "kallsyms_token_table", - "kallsyms_token_index", - /* Exclude linker generated symbols which vary between passes */ - "_SDA_BASE_", /* ppc */ - "_SDA2_BASE_", /* ppc */ - NULL - }; - - /* Symbol names that begin with the following are ignored.*/ - static const char * const ignored_prefixes[] = { - "__efistub_", /* arm64 EFI stub namespace */ - "__kvm_nvhe_$", /* arm64 local symbols in non-VHE KVM namespace */ - "__kvm_nvhe_.L", /* arm64 local symbols in non-VHE KVM namespace */ - "__AArch64ADRPThunk_", /* arm64 lld */ - "__ARMV5PILongThunk_", /* arm lld */ - "__ARMV7PILongThunk_", - "__ThumbV7PILongThunk_", - "__LA25Thunk_", /* mips lld */ - "__microLA25Thunk_", - "__kcfi_typeid_", /* CFI type identifiers */ - NULL - }; - - /* Symbol names that end with the following are ignored.*/ - static const char * const ignored_suffixes[] = { - "_from_arm", /* arm */ - "_from_thumb", /* arm */ - "_veneer", /* arm */ - NULL - }; - - /* Symbol names that contain the following are ignored.*/ - static const char * const ignored_matches[] = { - ".long_branch.", /* ppc stub */ - ".plt_branch.", /* ppc stub */ - NULL - }; - - const char * const *p; - - for (p = ignored_symbols; *p; p++) - if (!strcmp(name, *p)) - return true; - - for (p = ignored_prefixes; *p; p++) - if (!strncmp(name, *p, strlen(*p))) - return true; - - for (p = ignored_suffixes; *p; p++) { - int l = strlen(name) - strlen(*p); - - if (l >= 0 && !strcmp(name + l, *p)) - return true; - } - - for (p = ignored_matches; *p; p++) { - if (strstr(name, *p)) - return true; - } - - if (type == 'U' || type == 'u') - return true; - /* exclude debugging symbols */ - if (type == 'N' || type == 'n') + if (type == 'u' || type == 'n') return true; if (toupper(type) == 'A') { @@ -410,6 +335,50 @@ static int symbol_absolute(const struct sym_entry *s) return s->percpu_absolute; } +static void cleanup_symbol_name(char *s) +{ + char *p; + + /* + * ASCII[.] = 2e + * ASCII[0-9] = 30,39 + * ASCII[A-Z] = 41,5a + * ASCII[_] = 5f + * ASCII[a-z] = 61,7a + * + * As above, replacing '.' with '\0' does not affect the main sorting, + * but it helps us with subsorting. + */ + p = strchr(s, '.'); + if (p) + *p = '\0'; +} + +static int compare_names(const void *a, const void *b) +{ + int ret; + const struct sym_entry *sa = *(const struct sym_entry **)a; + const struct sym_entry *sb = *(const struct sym_entry **)b; + + ret = strcmp(sym_name(sa), sym_name(sb)); + if (!ret) { + if (sa->addr > sb->addr) + return 1; + else if (sa->addr < sb->addr) + return -1; + + /* keep old order */ + return (int)(sa->seq - sb->seq); + } + + return ret; +} + +static void sort_symbols_by_name(void) +{ + qsort(table, table_cnt, sizeof(table[0]), compare_names); +} + static void write_src(void) { unsigned int i, k, off; @@ -428,55 +397,6 @@ static void write_src(void) printf("\t.section .rodata, \"a\"\n"); - if (!base_relative) - output_label("kallsyms_addresses"); - else - output_label("kallsyms_offsets"); - - for (i = 0; i < table_cnt; i++) { - if (base_relative) { - /* - * Use the offset relative to the lowest value - * encountered of all relative symbols, and emit - * non-relocatable fixed offsets that will be fixed - * up at runtime. - */ - - long long offset; - int overflow; - - if (!absolute_percpu) { - offset = table[i]->addr - relative_base; - overflow = (offset < 0 || offset > UINT_MAX); - } else if (symbol_absolute(table[i])) { - offset = table[i]->addr; - overflow = (offset < 0 || offset > INT_MAX); - } else { - 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); - exit(EXIT_FAILURE); - } - printf("\t.long\t%#x\n", (int)offset); - } else if (!symbol_absolute(table[i])) { - output_address(table[i]->addr); - } else { - printf("\tPTR\t%#llx\n", table[i]->addr); - } - } - printf("\n"); - - if (base_relative) { - output_label("kallsyms_relative_base"); - output_address(relative_base); - printf("\n"); - } - output_label("kallsyms_num_syms"); printf("\t.long\t%u\n", table_cnt); printf("\n"); @@ -495,6 +415,7 @@ static void write_src(void) for (i = 0; i < table_cnt; i++) { if ((i & 0xFF) == 0) markers[i >> 8] = off; + table[i]->seq = i; /* There cannot be any symbol of length zero. */ if (table[i]->len == 0) { @@ -528,6 +449,15 @@ static void write_src(void) } printf("\n"); + /* + * Now that we wrote out the compressed symbol names, restore the + * original names, which are needed in some of the later steps. + */ + for (i = 0; i < table_cnt; i++) { + expand_symbol(table[i]->sym, table[i]->len, buf); + strcpy((char *)table[i]->sym, buf); + } + output_label("kallsyms_markers"); for (i = 0; i < ((table_cnt + 255) >> 8); i++) printf("\t.long\t%u\n", markers[i]); @@ -549,6 +479,68 @@ static void write_src(void) for (i = 0; i < 256; i++) printf("\t.short\t%d\n", best_idx[i]); printf("\n"); + + if (!base_relative) + output_label("kallsyms_addresses"); + else + output_label("kallsyms_offsets"); + + for (i = 0; i < table_cnt; i++) { + if (base_relative) { + /* + * Use the offset relative to the lowest value + * encountered of all relative symbols, and emit + * non-relocatable fixed offsets that will be fixed + * up at runtime. + */ + + long long offset; + int overflow; + + if (!absolute_percpu) { + offset = table[i]->addr - relative_base; + overflow = (offset < 0 || offset > UINT_MAX); + } else if (symbol_absolute(table[i])) { + offset = table[i]->addr; + overflow = (offset < 0 || offset > INT_MAX); + } else { + 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); + exit(EXIT_FAILURE); + } + printf("\t.long\t%#x /* %s */\n", (int)offset, table[i]->sym); + } else if (!symbol_absolute(table[i])) { + output_address(table[i]->addr); + } else { + printf("\tPTR\t%#llx\n", table[i]->addr); + } + } + printf("\n"); + + if (base_relative) { + output_label("kallsyms_relative_base"); + output_address(relative_base); + printf("\n"); + } + + if (lto_clang) + for (i = 0; i < table_cnt; i++) + cleanup_symbol_name((char *)table[i]->sym); + + sort_symbols_by_name(); + output_label("kallsyms_seqs_of_names"); + for (i = 0; i < table_cnt; i++) + printf("\t.byte 0x%02x, 0x%02x, 0x%02x\n", + (unsigned char)(table[i]->seq >> 16), + (unsigned char)(table[i]->seq >> 8), + (unsigned char)(table[i]->seq >> 0)); + printf("\n"); } @@ -573,7 +565,7 @@ static void forget_symbol(const unsigned char *symbol, int len) } /* do the initial token count */ -static void build_initial_tok_table(void) +static void build_initial_token_table(void) { unsigned int i; @@ -698,7 +690,7 @@ static void insert_real_symbols_in_table(void) static void optimize_token_table(void) { - build_initial_tok_table(); + build_initial_token_table(); insert_real_symbols_in_table(); @@ -818,6 +810,7 @@ int main(int argc, char **argv) {"all-symbols", no_argument, &all_symbols, 1}, {"absolute-percpu", no_argument, &absolute_percpu, 1}, {"base-relative", no_argument, &base_relative, 1}, + {"lto-clang", no_argument, <o_clang, 1}, {}, }; diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore index 500e7424b3ef..0b2ff775b2e3 100644 --- a/scripts/kconfig/.gitignore +++ b/scripts/kconfig/.gitignore @@ -1,5 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only /conf /[gmnq]conf -/[gmnq]conf-cfg +/[gmnq]conf-bin +/[gmnq]conf-cflags +/[gmnq]conf-libs /qconf-moc.cc diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index b8ef0fb4bbef..af1c96198f49 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -159,11 +159,12 @@ conf-objs := conf.o $(common-objs) hostprogs += nconf nconf-objs := nconf.o nconf.gui.o $(common-objs) -HOSTLDLIBS_nconf = $(shell . $(obj)/nconf-cfg && echo $$libs) -HOSTCFLAGS_nconf.o = $(shell . $(obj)/nconf-cfg && echo $$cflags) -HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/nconf-cfg && echo $$cflags) +HOSTLDLIBS_nconf = $(call read-file, $(obj)/nconf-libs) +HOSTCFLAGS_nconf.o = $(call read-file, $(obj)/nconf-cflags) +HOSTCFLAGS_nconf.gui.o = $(call read-file, $(obj)/nconf-cflags) -$(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg +$(obj)/nconf: | $(obj)/nconf-libs +$(obj)/nconf.o $(obj)/nconf.gui.o: | $(obj)/nconf-cflags # mconf: Used for the menuconfig target based on lxdialog hostprogs += mconf @@ -171,27 +172,28 @@ lxdialog := $(addprefix lxdialog/, \ checklist.o inputbox.o menubox.o textbox.o util.o yesno.o) mconf-objs := mconf.o $(lxdialog) $(common-objs) -HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs) +HOSTLDLIBS_mconf = $(call read-file, $(obj)/mconf-libs) $(foreach f, mconf.o $(lxdialog), \ - $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags))) + $(eval HOSTCFLAGS_$f = $$(call read-file, $(obj)/mconf-cflags))) -$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg +$(obj)/mconf: | $(obj)/mconf-libs +$(addprefix $(obj)/, mconf.o $(lxdialog)): | $(obj)/mconf-cflags # qconf: Used for the xconfig target based on Qt hostprogs += qconf qconf-cxxobjs := qconf.o qconf-moc.o qconf-objs := images.o $(common-objs) -HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$libs) -HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/qconf-cfg && echo $$cflags) -HOSTCXXFLAGS_qconf-moc.o = $(shell . $(obj)/qconf-cfg && echo $$cflags) - -$(obj)/qconf.o: $(obj)/qconf-cfg +HOSTLDLIBS_qconf = $(call read-file, $(obj)/qconf-libs) +HOSTCXXFLAGS_qconf.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags) +HOSTCXXFLAGS_qconf-moc.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags) +$(obj)/qconf: | $(obj)/qconf-libs +$(obj)/qconf.o $(obj)/qconf-moc.o: | $(obj)/qconf-cflags quiet_cmd_moc = MOC $@ - cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) $< -o $@ + cmd_moc = $(call read-file, $(obj)/qconf-bin)/moc $< -o $@ -$(obj)/qconf-moc.cc: $(src)/qconf.h $(obj)/qconf-cfg FORCE +$(obj)/qconf-moc.cc: $(src)/qconf.h FORCE | $(obj)/qconf-bin $(call if_changed,moc) targets += qconf-moc.cc @@ -200,15 +202,16 @@ targets += qconf-moc.cc hostprogs += gconf gconf-objs := gconf.o images.o $(common-objs) -HOSTLDLIBS_gconf = $(shell . $(obj)/gconf-cfg && echo $$libs) -HOSTCFLAGS_gconf.o = $(shell . $(obj)/gconf-cfg && echo $$cflags) +HOSTLDLIBS_gconf = $(call read-file, $(obj)/gconf-libs) +HOSTCFLAGS_gconf.o = $(call read-file, $(obj)/gconf-cflags) -$(obj)/gconf.o: $(obj)/gconf-cfg +$(obj)/gconf: | $(obj)/gconf-libs +$(obj)/gconf.o: | $(obj)/gconf-cflags # check if necessary packages are available, and configure build flags -filechk_conf_cfg = $(CONFIG_SHELL) $< +cmd_conf_cfg = $< $(addprefix $(obj)/$*conf-, cflags libs bin); touch $(obj)/$*conf-bin -$(obj)/%conf-cfg: $(src)/%conf-cfg.sh FORCE - $(call filechk,conf_cfg) +$(obj)/%conf-cflags $(obj)/%conf-libs $(obj)/%conf-bin: $(src)/%conf-cfg.sh + $(call cmd,conf_cfg) -clean-files += *conf-cfg +clean-files += *conf-cflags *conf-libs *conf-bin diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index b7c9f1dd5e42..992575f1e976 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -1226,10 +1226,12 @@ static void (*conf_changed_callback)(void); void conf_set_changed(bool val) { - if (conf_changed_callback && conf_changed != val) - conf_changed_callback(); + bool changed = conf_changed != val; conf_changed = val; + + if (conf_changed_callback && changed) + conf_changed_callback(); } bool conf_get_changed(void) diff --git a/scripts/kconfig/gconf-cfg.sh b/scripts/kconfig/gconf-cfg.sh index cbd90c28c05f..040d8f338820 100755 --- a/scripts/kconfig/gconf-cfg.sh +++ b/scripts/kconfig/gconf-cfg.sh @@ -1,6 +1,9 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 +cflags=$1 +libs=$2 + PKG="gtk+-2.0 gmodule-2.0 libglade-2.0" if [ -z "$(command -v ${HOSTPKG_CONFIG})" ]; then @@ -26,5 +29,5 @@ if ! ${HOSTPKG_CONFIG} --atleast-version=2.0.0 gtk+-2.0; then exit 1 fi -echo cflags=\"$(${HOSTPKG_CONFIG} --cflags $PKG)\" -echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG)\" +${HOSTPKG_CONFIG} --cflags ${PKG} > ${cflags} +${HOSTPKG_CONFIG} --libs ${PKG} > ${libs} diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index 6ac2eabe109d..e7118d62a45f 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -76,7 +76,7 @@ struct gstr str_new(void); void str_free(struct gstr *gs); void str_append(struct gstr *gs, const char *s); void str_printf(struct gstr *gs, const char *fmt, ...); -const char *str_get(struct gstr *gs); +char *str_get(struct gstr *gs); /* menu.c */ void _menu_init(void); diff --git a/scripts/kconfig/lxdialog/dialog.h b/scripts/kconfig/lxdialog/dialog.h index 68b565e3c495..347daf25fdc8 100644 --- a/scripts/kconfig/lxdialog/dialog.h +++ b/scripts/kconfig/lxdialog/dialog.h @@ -18,22 +18,6 @@ #endif #include <ncurses.h> -/* - * Colors in ncurses 1.9.9e do not work properly since foreground and - * background colors are OR'd rather than separately masked. This version - * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible - * with standard curses. The simplest fix (to make this work with standard - * curses) uses the wbkgdset() function, not used in the original hack. - * Turn it off if we're building with 1.9.9e, since it just confuses things. - */ -#if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE) -#define OLD_NCURSES 1 -#undef wbkgdset -#define wbkgdset(w,p) /*nothing */ -#else -#define OLD_NCURSES 0 -#endif - #define TR(params) _tracef params #define KEY_ESC 27 @@ -225,14 +209,3 @@ int dialog_checklist(const char *title, const char *prompt, int height, int width, int list_height); int dialog_inputbox(const char *title, const char *prompt, int height, int width, const char *init); - -/* - * This is the base for fictitious keys, which activate - * the buttons. - * - * Mouse-generated keys are the following: - * -- the first 32 are used as numbers, in addition to '0'-'9' - * -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o') - * -- uppercase chars are used to invoke the button (M_EVENT + 'O') - */ -#define M_EVENT (KEY_MAX+1) diff --git a/scripts/kconfig/lxdialog/menubox.c b/scripts/kconfig/lxdialog/menubox.c index 58c2f8afe59b..0e333284e947 100644 --- a/scripts/kconfig/lxdialog/menubox.c +++ b/scripts/kconfig/lxdialog/menubox.c @@ -63,15 +63,7 @@ static void do_print_item(WINDOW * win, const char *item, int line_y, /* Clear 'residue' of last item */ wattrset(win, dlg.menubox.atr); wmove(win, line_y, 0); -#if OLD_NCURSES - { - int i; - for (i = 0; i < menu_width; i++) - waddch(win, ' '); - } -#else wclrtoeol(win); -#endif wattrset(win, selected ? dlg.item_selected.atr : dlg.item.atr); mvwaddstr(win, line_y, item_x, menu_item); if (hotkey) { diff --git a/scripts/kconfig/lxdialog/textbox.c b/scripts/kconfig/lxdialog/textbox.c index 4e339b12664e..bc4d4fb1dc75 100644 --- a/scripts/kconfig/lxdialog/textbox.c +++ b/scripts/kconfig/lxdialog/textbox.c @@ -8,19 +8,137 @@ #include "dialog.h" -static void back_lines(int n); -static void print_page(WINDOW *win, int height, int width, update_text_fn - update_text, void *data); -static void print_line(WINDOW *win, int row, int width); -static char *get_line(void); -static void print_position(WINDOW * win); - static int hscroll; static int begin_reached, end_reached, page_length; static char *buf; static char *page; /* + * Go back 'n' lines in text. Called by dialog_textbox(). + * 'page' will be updated to point to the desired line in 'buf'. + */ +static void back_lines(int n) +{ + int i; + + begin_reached = 0; + /* Go back 'n' lines */ + for (i = 0; i < n; i++) { + if (*page == '\0') { + if (end_reached) { + end_reached = 0; + continue; + } + } + if (page == buf) { + begin_reached = 1; + return; + } + page--; + do { + if (page == buf) { + begin_reached = 1; + return; + } + page--; + } while (*page != '\n'); + page++; + } +} + +/* + * Return current line of text. Called by dialog_textbox() and print_line(). + * 'page' should point to start of current line before calling, and will be + * updated to point to start of next line. + */ +static char *get_line(void) +{ + int i = 0; + static char line[MAX_LEN + 1]; + + end_reached = 0; + while (*page != '\n') { + if (*page == '\0') { + end_reached = 1; + break; + } else if (i < MAX_LEN) + line[i++] = *(page++); + else { + /* Truncate lines longer than MAX_LEN characters */ + if (i == MAX_LEN) + line[i++] = '\0'; + page++; + } + } + if (i <= MAX_LEN) + line[i] = '\0'; + if (!end_reached) + page++; /* move past '\n' */ + + return line; +} + +/* + * Print a new line of text. + */ +static void print_line(WINDOW *win, int row, int width) +{ + char *line; + + line = get_line(); + line += MIN(strlen(line), hscroll); /* Scroll horizontally */ + wmove(win, row, 0); /* move cursor to correct line */ + waddch(win, ' '); + waddnstr(win, line, MIN(strlen(line), width - 2)); + + /* Clear 'residue' of previous line */ + wclrtoeol(win); +} + +/* + * Print a new page of text. + */ +static void print_page(WINDOW *win, int height, int width, update_text_fn + update_text, void *data) +{ + int i, passed_end = 0; + + if (update_text) { + char *end; + + for (i = 0; i < height; i++) + get_line(); + end = page; + back_lines(height); + update_text(buf, page - buf, end - buf, data); + } + + page_length = 0; + for (i = 0; i < height; i++) { + print_line(win, i, width); + if (!passed_end) + page_length++; + if (end_reached && !passed_end) + passed_end = 1; + } + wnoutrefresh(win); +} + +/* + * Print current position + */ +static void print_position(WINDOW *win) +{ + int percent; + + wattrset(win, dlg.position_indicator.atr); + wbkgdset(win, dlg.position_indicator.atr & A_COLOR); + percent = (page - buf) * 100 / strlen(buf); + wmove(win, getmaxy(win) - 3, getmaxx(win) - 9); + wprintw(win, "(%3d%%)", percent); +} + +/* * refresh window content */ static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw, @@ -33,7 +151,6 @@ static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw, wrefresh(dialog); } - /* * Display text from a file in a dialog box. * @@ -259,137 +376,3 @@ do_resize: *_hscroll = hscroll; return key; } - -/* - * Go back 'n' lines in text. Called by dialog_textbox(). - * 'page' will be updated to point to the desired line in 'buf'. - */ -static void back_lines(int n) -{ - int i; - - begin_reached = 0; - /* Go back 'n' lines */ - for (i = 0; i < n; i++) { - if (*page == '\0') { - if (end_reached) { - end_reached = 0; - continue; - } - } - if (page == buf) { - begin_reached = 1; - return; - } - page--; - do { - if (page == buf) { - begin_reached = 1; - return; - } - page--; - } while (*page != '\n'); - page++; - } -} - -/* - * Print a new page of text. - */ -static void print_page(WINDOW *win, int height, int width, update_text_fn - update_text, void *data) -{ - int i, passed_end = 0; - - if (update_text) { - char *end; - - for (i = 0; i < height; i++) - get_line(); - end = page; - back_lines(height); - update_text(buf, page - buf, end - buf, data); - } - - page_length = 0; - for (i = 0; i < height; i++) { - print_line(win, i, width); - if (!passed_end) - page_length++; - if (end_reached && !passed_end) - passed_end = 1; - } - wnoutrefresh(win); -} - -/* - * Print a new line of text. - */ -static void print_line(WINDOW * win, int row, int width) -{ - char *line; - - line = get_line(); - line += MIN(strlen(line), hscroll); /* Scroll horizontally */ - wmove(win, row, 0); /* move cursor to correct line */ - waddch(win, ' '); - waddnstr(win, line, MIN(strlen(line), width - 2)); - - /* Clear 'residue' of previous line */ -#if OLD_NCURSES - { - int x = getcurx(win); - int i; - for (i = 0; i < width - x; i++) - waddch(win, ' '); - } -#else - wclrtoeol(win); -#endif -} - -/* - * Return current line of text. Called by dialog_textbox() and print_line(). - * 'page' should point to start of current line before calling, and will be - * updated to point to start of next line. - */ -static char *get_line(void) -{ - int i = 0; - static char line[MAX_LEN + 1]; - - end_reached = 0; - while (*page != '\n') { - if (*page == '\0') { - end_reached = 1; - break; - } else if (i < MAX_LEN) - line[i++] = *(page++); - else { - /* Truncate lines longer than MAX_LEN characters */ - if (i == MAX_LEN) - line[i++] = '\0'; - page++; - } - } - if (i <= MAX_LEN) - line[i] = '\0'; - if (!end_reached) - page++; /* move past '\n' */ - - return line; -} - -/* - * Print current position - */ -static void print_position(WINDOW * win) -{ - int percent; - - wattrset(win, dlg.position_indicator.atr); - wbkgdset(win, dlg.position_indicator.atr & A_COLOR); - percent = (page - buf) * 100 / strlen(buf); - wmove(win, getmaxy(win) - 3, getmaxx(win) - 9); - wprintw(win, "(%3d%%)", percent); -} diff --git a/scripts/kconfig/mconf-cfg.sh b/scripts/kconfig/mconf-cfg.sh index 025b565e0b7c..1e61f50a5905 100755 --- a/scripts/kconfig/mconf-cfg.sh +++ b/scripts/kconfig/mconf-cfg.sh @@ -1,19 +1,22 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 +cflags=$1 +libs=$2 + PKG="ncursesw" PKG2="ncurses" if [ -n "$(command -v ${HOSTPKG_CONFIG})" ]; then if ${HOSTPKG_CONFIG} --exists $PKG; then - echo cflags=\"$(${HOSTPKG_CONFIG} --cflags $PKG)\" - echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG)\" + ${HOSTPKG_CONFIG} --cflags ${PKG} > ${cflags} + ${HOSTPKG_CONFIG} --libs ${PKG} > ${libs} exit 0 fi - if ${HOSTPKG_CONFIG} --exists $PKG2; then - echo cflags=\"$(${HOSTPKG_CONFIG} --cflags $PKG2)\" - echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG2)\" + if ${HOSTPKG_CONFIG} --exists ${PKG2}; then + ${HOSTPKG_CONFIG} --cflags ${PKG2} > ${cflags} + ${HOSTPKG_CONFIG} --libs ${PKG2} > ${libs} exit 0 fi fi @@ -22,22 +25,22 @@ fi # (Even if it is installed, some distributions such as openSUSE cannot # find ncurses by pkg-config.) if [ -f /usr/include/ncursesw/ncurses.h ]; then - echo cflags=\"-D_GNU_SOURCE -I/usr/include/ncursesw\" - echo libs=\"-lncursesw\" + echo -D_GNU_SOURCE -I/usr/include/ncursesw > ${cflags} + echo -lncursesw > ${libs} exit 0 fi if [ -f /usr/include/ncurses/ncurses.h ]; then - echo cflags=\"-D_GNU_SOURCE -I/usr/include/ncurses\" - echo libs=\"-lncurses\" + echo -D_GNU_SOURCE -I/usr/include/ncurses > ${cflags} + echo -lncurses > ${libs} exit 0 fi # As a final fallback before giving up, check if $HOSTCC knows of a default # ncurses installation (e.g. from a vendor-specific sysroot). if echo '#include <ncurses.h>' | ${HOSTCC} -E - >/dev/null 2>&1; then - echo cflags=\"-D_GNU_SOURCE\" - echo libs=\"-lncurses\" + echo -D_GNU_SOURCE > ${cflags} + echo -lncurses > ${libs} exit 0 fi diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c index 9d3cf510562f..53d8834d12fe 100644 --- a/scripts/kconfig/mconf.c +++ b/scripts/kconfig/mconf.c @@ -161,6 +161,12 @@ static const char mconf_readme[] = "(especially with a larger number of unrolled categories) than the\n" "default mode.\n" "\n" + +"Search\n" +"-------\n" +"Pressing the forward-slash (/) anywhere brings up a search dialog box.\n" +"\n" + "Different color themes available\n" "--------------------------------\n" "It is possible to select different color themes using the variable\n" @@ -284,16 +290,6 @@ static int save_and_exit; static int silent; static void conf(struct menu *menu, struct menu *active_menu); -static void conf_choice(struct menu *menu); -static void conf_string(struct menu *menu); -static void conf_load(void); -static void conf_save(void); -static int show_textbox_ext(const char *title, char *text, int r, int c, - int *keys, int *vscroll, int *hscroll, - update_text_fn update_text, void *data); -static void show_textbox(const char *title, const char *text, int r, int c); -static void show_helptext(const char *title, const char *text); -static void show_help(struct menu *menu); static char filename[PATH_MAX+1]; static void set_config_filename(const char *config_filename) @@ -352,6 +348,37 @@ static void reset_subtitle(void) set_dialog_subtitles(subtitles); } +static int show_textbox_ext(const char *title, char *text, int r, int c, int + *keys, int *vscroll, int *hscroll, update_text_fn + update_text, void *data) +{ + dialog_clear(); + return dialog_textbox(title, text, r, c, keys, vscroll, hscroll, + update_text, data); +} + +static void show_textbox(const char *title, const char *text, int r, int c) +{ + show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL, + NULL, NULL); +} + +static void show_helptext(const char *title, const char *text) +{ + show_textbox(title, text, 0, 0); +} + +static void show_help(struct menu *menu) +{ + struct gstr help = str_new(); + + help.max_width = getmaxx(stdscr) - 10; + menu_get_ext_help(menu, &help); + + show_helptext(menu_get_prompt(menu), str_get(&help)); + str_free(&help); +} + struct search_data { struct list_head *head; struct menu **targets; @@ -440,9 +467,8 @@ again: res = get_relations_str(sym_arr, &head); set_subtitle(); - dres = show_textbox_ext("Search Results", (char *) - str_get(&res), 0, 0, keys, &vscroll, - &hscroll, &update_text, (void *) + dres = show_textbox_ext("Search Results", str_get(&res), 0, 0, + keys, &vscroll, &hscroll, &update_text, &data); again = false; for (i = 0; i < JUMP_NB && keys[i]; i++) @@ -638,158 +664,6 @@ conf_childs: indent -= doint; } -static void conf(struct menu *menu, struct menu *active_menu) -{ - struct menu *submenu; - const char *prompt = menu_get_prompt(menu); - struct subtitle_part stpart; - struct symbol *sym; - int res; - int s_scroll = 0; - - if (menu != &rootmenu) - stpart.text = menu_get_prompt(menu); - else - stpart.text = NULL; - list_add_tail(&stpart.entries, &trail); - - while (1) { - item_reset(); - current_menu = menu; - build_conf(menu); - if (!child_count) - break; - set_subtitle(); - dialog_clear(); - res = dialog_menu(prompt ? prompt : "Main Menu", - menu_instructions, - active_menu, &s_scroll); - if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL) - break; - if (item_count() != 0) { - if (!item_activate_selected()) - continue; - if (!item_tag()) - continue; - } - submenu = item_data(); - active_menu = item_data(); - if (submenu) - sym = submenu->sym; - else - sym = NULL; - - switch (res) { - case 0: - switch (item_tag()) { - case 'm': - if (single_menu_mode) - submenu->data = (void *) (long) !submenu->data; - else - conf(submenu, NULL); - break; - case 't': - if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes) - conf_choice(submenu); - else if (submenu->prompt->type == P_MENU) - conf(submenu, NULL); - break; - case 's': - conf_string(submenu); - break; - } - break; - case 2: - if (sym) - show_help(submenu); - else { - reset_subtitle(); - show_helptext("README", mconf_readme); - } - break; - case 3: - reset_subtitle(); - conf_save(); - break; - case 4: - reset_subtitle(); - conf_load(); - break; - case 5: - if (item_is_tag('t')) { - if (sym_set_tristate_value(sym, yes)) - break; - if (sym_set_tristate_value(sym, mod)) - show_textbox(NULL, setmod_text, 6, 74); - } - break; - case 6: - if (item_is_tag('t')) - sym_set_tristate_value(sym, no); - break; - case 7: - if (item_is_tag('t')) - sym_set_tristate_value(sym, mod); - break; - case 8: - if (item_is_tag('t')) - sym_toggle_tristate_value(sym); - else if (item_is_tag('m')) - conf(submenu, NULL); - break; - case 9: - search_conf(); - break; - case 10: - show_all_options = !show_all_options; - break; - } - } - - list_del(trail.prev); -} - -static int show_textbox_ext(const char *title, char *text, int r, int c, int - *keys, int *vscroll, int *hscroll, update_text_fn - update_text, void *data) -{ - dialog_clear(); - return dialog_textbox(title, text, r, c, keys, vscroll, hscroll, - update_text, data); -} - -static void show_textbox(const char *title, const char *text, int r, int c) -{ - show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL, - NULL, NULL); -} - -static void show_helptext(const char *title, const char *text) -{ - show_textbox(title, text, 0, 0); -} - -static void conf_message_callback(const char *s) -{ - if (save_and_exit) { - if (!silent) - printf("%s", s); - } else { - show_textbox(NULL, s, 6, 60); - } -} - -static void show_help(struct menu *menu) -{ - struct gstr help = str_new(); - - help.max_width = getmaxx(stdscr) - 10; - menu_get_ext_help(menu, &help); - - show_helptext(menu_get_prompt(menu), str_get(&help)); - str_free(&help); -} - static void conf_choice(struct menu *menu) { const char *prompt = menu_get_prompt(menu); @@ -945,6 +819,127 @@ static void conf_save(void) } } +static void conf(struct menu *menu, struct menu *active_menu) +{ + struct menu *submenu; + const char *prompt = menu_get_prompt(menu); + struct subtitle_part stpart; + struct symbol *sym; + int res; + int s_scroll = 0; + + if (menu != &rootmenu) + stpart.text = menu_get_prompt(menu); + else + stpart.text = NULL; + list_add_tail(&stpart.entries, &trail); + + while (1) { + item_reset(); + current_menu = menu; + build_conf(menu); + if (!child_count) + break; + set_subtitle(); + dialog_clear(); + res = dialog_menu(prompt ? prompt : "Main Menu", + menu_instructions, + active_menu, &s_scroll); + if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL) + break; + if (item_count() != 0) { + if (!item_activate_selected()) + continue; + if (!item_tag()) + continue; + } + submenu = item_data(); + active_menu = item_data(); + if (submenu) + sym = submenu->sym; + else + sym = NULL; + + switch (res) { + case 0: + switch (item_tag()) { + case 'm': + if (single_menu_mode) + submenu->data = (void *) (long) !submenu->data; + else + conf(submenu, NULL); + break; + case 't': + if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes) + conf_choice(submenu); + else if (submenu->prompt->type == P_MENU) + conf(submenu, NULL); + break; + case 's': + conf_string(submenu); + break; + } + break; + case 2: + if (sym) + show_help(submenu); + else { + reset_subtitle(); + show_helptext("README", mconf_readme); + } + break; + case 3: + reset_subtitle(); + conf_save(); + break; + case 4: + reset_subtitle(); + conf_load(); + break; + case 5: + if (item_is_tag('t')) { + if (sym_set_tristate_value(sym, yes)) + break; + if (sym_set_tristate_value(sym, mod)) + show_textbox(NULL, setmod_text, 6, 74); + } + break; + case 6: + if (item_is_tag('t')) + sym_set_tristate_value(sym, no); + break; + case 7: + if (item_is_tag('t')) + sym_set_tristate_value(sym, mod); + break; + case 8: + if (item_is_tag('t')) + sym_toggle_tristate_value(sym); + else if (item_is_tag('m')) + conf(submenu, NULL); + break; + case 9: + search_conf(); + break; + case 10: + show_all_options = !show_all_options; + break; + } + } + + list_del(trail.prev); +} + +static void conf_message_callback(const char *s) +{ + if (save_and_exit) { + if (!silent) + printf("%s", s); + } else { + show_textbox(NULL, s, 6, 60); + } +} + static int handle_exit(void) { int res; diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index 109325f31bef..b90fff833588 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -724,10 +724,8 @@ static void get_prompt_str(struct gstr *r, struct property *prop, menu = prop->menu; for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) { - bool accessible = menu_is_visible(menu); - submenu[i++] = menu; - if (location == NULL && accessible) + if (location == NULL && menu_is_visible(menu)) location = menu; } if (head && location) { diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh index e5b46980c22a..902eb429b9db 100755 --- a/scripts/kconfig/merge_config.sh +++ b/scripts/kconfig/merge_config.sh @@ -29,6 +29,7 @@ usage() { echo " -y make builtin have precedence over modules" echo " -O dir to put generated output files. Consider setting \$KCONFIG_CONFIG instead." echo " -s strict mode. Fail if the fragment redefines any value." + echo " -Q disable warning messages for overridden options." echo echo "Used prefix: '$CONFIG_PREFIX'. You can redefine it with \$CONFIG_ environment variable." } @@ -40,6 +41,7 @@ BUILTIN=false OUTPUT=. STRICT=false CONFIG_PREFIX=${CONFIG_-CONFIG_} +WARNOVERRIDE=echo while true; do case $1 in @@ -82,6 +84,11 @@ while true; do shift continue ;; + "-Q") + WARNOVERRIDE=true + shift + continue + ;; *) break ;; @@ -138,21 +145,21 @@ for ORIG_MERGE_FILE in $MERGE_LIST ; do NEW_VAL=$(grep -w $CFG $MERGE_FILE) BUILTIN_FLAG=false if [ "$BUILTIN" = "true" ] && [ "${NEW_VAL#CONFIG_*=}" = "m" ] && [ "${PREV_VAL#CONFIG_*=}" = "y" ]; then - echo Previous value: $PREV_VAL - echo New value: $NEW_VAL - echo -y passed, will not demote y to m - echo + ${WARNOVERRIDE} Previous value: $PREV_VAL + ${WARNOVERRIDE} New value: $NEW_VAL + ${WARNOVERRIDE} -y passed, will not demote y to m + ${WARNOVERRIDE} BUILTIN_FLAG=true elif [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then - echo Value of $CFG is redefined by fragment $ORIG_MERGE_FILE: - echo Previous value: $PREV_VAL - echo New value: $NEW_VAL - echo + ${WARNOVERRIDE} Value of $CFG is redefined by fragment $ORIG_MERGE_FILE: + ${WARNOVERRIDE} Previous value: $PREV_VAL + ${WARNOVERRIDE} New value: $NEW_VAL + ${WARNOVERRIDE} if [ "$STRICT" = "true" ]; then STRICT_MODE_VIOLATED=true fi elif [ "$WARNREDUN" = "true" ]; then - echo Value of $CFG is redundant by fragment $ORIG_MERGE_FILE: + ${WARNOVERRIDE} Value of $CFG is redundant by fragment $ORIG_MERGE_FILE: fi if [ "$BUILTIN_FLAG" = "false" ]; then sed -i "/$CFG[ =]/d" $TMP_FILE diff --git a/scripts/kconfig/nconf-cfg.sh b/scripts/kconfig/nconf-cfg.sh index 3a10bac2adb3..f871a2160e36 100755 --- a/scripts/kconfig/nconf-cfg.sh +++ b/scripts/kconfig/nconf-cfg.sh @@ -1,19 +1,22 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 +cflags=$1 +libs=$2 + PKG="ncursesw menuw panelw" PKG2="ncurses menu panel" if [ -n "$(command -v ${HOSTPKG_CONFIG})" ]; then if ${HOSTPKG_CONFIG} --exists $PKG; then - echo cflags=\"$(${HOSTPKG_CONFIG} --cflags $PKG)\" - echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG)\" + ${HOSTPKG_CONFIG} --cflags ${PKG} > ${cflags} + ${HOSTPKG_CONFIG} --libs ${PKG} > ${libs} exit 0 fi if ${HOSTPKG_CONFIG} --exists $PKG2; then - echo cflags=\"$(${HOSTPKG_CONFIG} --cflags $PKG2)\" - echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG2)\" + ${HOSTPKG_CONFIG} --cflags ${PKG2} > ${cflags} + ${HOSTPKG_CONFIG} --libs ${PKG2} > ${libs} exit 0 fi fi @@ -22,20 +25,20 @@ fi # (Even if it is installed, some distributions such as openSUSE cannot # find ncurses by pkg-config.) if [ -f /usr/include/ncursesw/ncurses.h ]; then - echo cflags=\"-D_GNU_SOURCE -I/usr/include/ncursesw\" - echo libs=\"-lncursesw -lmenuw -lpanelw\" + echo -D_GNU_SOURCE -I/usr/include/ncursesw > ${cflags} + echo -lncursesw -lmenuw -lpanelw > ${libs} exit 0 fi if [ -f /usr/include/ncurses/ncurses.h ]; then - echo cflags=\"-D_GNU_SOURCE -I/usr/include/ncurses\" - echo libs=\"-lncurses -lmenu -lpanel\" + echo -D_GNU_SOURCE -I/usr/include/ncurses > ${cflags} + echo -lncurses -lmenu -lpanel > ${libs} exit 0 fi if [ -f /usr/include/ncurses.h ]; then - echo cflags=\"-D_GNU_SOURCE\" - echo libs=\"-lncurses -lmenu -lpanel\" + echo -D_GNU_SOURCE > ${cflags} + echo -lncurses -lmenu -lpanel > ${libs} exit 0 fi diff --git a/scripts/kconfig/qconf-cfg.sh b/scripts/kconfig/qconf-cfg.sh index ad652cb53947..117f36e568fc 100755 --- a/scripts/kconfig/qconf-cfg.sh +++ b/scripts/kconfig/qconf-cfg.sh @@ -1,6 +1,10 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 +cflags=$1 +libs=$2 +bin=$3 + PKG="Qt5Core Qt5Gui Qt5Widgets" if [ -z "$(command -v ${HOSTPKG_CONFIG})" ]; then @@ -11,9 +15,9 @@ if [ -z "$(command -v ${HOSTPKG_CONFIG})" ]; then fi if ${HOSTPKG_CONFIG} --exists $PKG; then - echo cflags=\"-std=c++11 -fPIC $(${HOSTPKG_CONFIG} --cflags $PKG)\" - echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG)\" - echo moc=\"$(${HOSTPKG_CONFIG} --variable=host_bins Qt5Core)/moc\" + ${HOSTPKG_CONFIG} --cflags ${PKG} > ${cflags} + ${HOSTPKG_CONFIG} --libs ${PKG} > ${libs} + ${HOSTPKG_CONFIG} --variable=host_bins Qt5Core > ${bin} exit 0 fi diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c index 29585394df71..b78f114ad48c 100644 --- a/scripts/kconfig/util.c +++ b/scripts/kconfig/util.c @@ -74,7 +74,7 @@ void str_printf(struct gstr *gs, const char *fmt, ...) } /* Retrieve value of growable string */ -const char *str_get(struct gstr *gs) +char *str_get(struct gstr *gs) { return gs->s; } diff --git a/scripts/kernel-doc b/scripts/kernel-doc index aea04365bc69..2486689ffc7b 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -175,8 +175,8 @@ my $declaration_start_line; my ($type, $declaration_name, $return_type); my ($newsection, $newcontents, $prototype, $brcount, %source_map); -if (defined($ENV{'KBUILD_VERBOSE'})) { - $verbose = "$ENV{'KBUILD_VERBOSE'}"; +if (defined($ENV{'KBUILD_VERBOSE'}) && $ENV{'KBUILD_VERBOSE'} =~ '1') { + $verbose = 1; } if (defined($ENV{'KCFLAGS'})) { @@ -256,6 +256,7 @@ my $doc_inline_sect = '\s*\*\s*(@\s*[\w][\w\.]*\s*):(.*)'; my $doc_inline_end = '^\s*\*/\s*$'; my $doc_inline_oneline = '^\s*/\*\*\s*(@[\w\s]+):\s*(.*)\s*\*/\s*$'; my $export_symbol = '^\s*EXPORT_SYMBOL(_GPL)?\s*\(\s*(\w+)\s*\)\s*;'; +my $export_symbol_ns = '^\s*EXPORT_SYMBOL_NS(_GPL)?\s*\(\s*(\w+)\s*,\s*\w+\)\s*;'; my $function_pointer = qr{([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)}; my $attribute = qr{__attribute__\s*\(\([a-z0-9,_\*\s\(\)]*\)\)}i; @@ -866,48 +867,53 @@ sub output_function_rst(%) { print "\n"; } - print "**Parameters**\n\n"; + # + # Put our descriptive text into a container (thus an HTML <div>) to help + # set the function prototypes apart. + # + print ".. container:: kernelindent\n\n"; $lineprefix = " "; + print $lineprefix . "**Parameters**\n\n"; foreach $parameter (@{$args{'parameterlist'}}) { my $parameter_name = $parameter; $parameter_name =~ s/\[.*//; $type = $args{'parametertypes'}{$parameter}; if ($type ne "") { - print "``$type``\n"; + print $lineprefix . "``$type``\n"; } else { - print "``$parameter``\n"; + print $lineprefix . "``$parameter``\n"; } print_lineno($parameterdesc_start_lines{$parameter_name}); + $lineprefix = " "; if (defined($args{'parameterdescs'}{$parameter_name}) && $args{'parameterdescs'}{$parameter_name} ne $undescribed) { output_highlight_rst($args{'parameterdescs'}{$parameter_name}); } else { - print " *undescribed*\n"; + print $lineprefix . "*undescribed*\n"; } + $lineprefix = " "; print "\n"; } - $lineprefix = $oldprefix; output_section_rst(@_); + $lineprefix = $oldprefix; } sub output_section_rst(%) { my %args = %{$_[0]}; my $section; my $oldprefix = $lineprefix; - $lineprefix = ""; foreach $section (@{$args{'sectionlist'}}) { - print "**$section**\n\n"; + print $lineprefix . "**$section**\n\n"; print_lineno($section_start_lines{$section}); output_highlight_rst($args{'sections'}{$section}); print "\n"; } print "\n"; - $lineprefix = $oldprefix; } sub output_enum_rst(%) { @@ -915,6 +921,7 @@ sub output_enum_rst(%) { my ($parameter); my $oldprefix = $lineprefix; my $count; + my $outer; if ($sphinx_major < 3) { my $name = "enum " . $args{'enum'}; @@ -924,22 +931,25 @@ sub output_enum_rst(%) { print "\n\n.. c:enum:: " . $name . "\n\n"; } print_lineno($declaration_start_line); - $lineprefix = " "; + $lineprefix = " "; output_highlight_rst($args{'purpose'}); print "\n"; - print "**Constants**\n\n"; - $lineprefix = " "; + print ".. container:: kernelindent\n\n"; + $outer = $lineprefix . " "; + $lineprefix = $outer . " "; + print $outer . "**Constants**\n\n"; foreach $parameter (@{$args{'parameterlist'}}) { - print "``$parameter``\n"; + print $outer . "``$parameter``\n"; + if ($args{'parameterdescs'}{$parameter} ne $undescribed) { output_highlight_rst($args{'parameterdescs'}{$parameter}); } else { - print " *undescribed*\n"; + print $lineprefix . "*undescribed*\n"; } print "\n"; } - + print "\n"; $lineprefix = $oldprefix; output_section_rst(@_); } @@ -982,18 +992,19 @@ sub output_struct_rst(%) { } } print_lineno($declaration_start_line); - $lineprefix = " "; + $lineprefix = " "; output_highlight_rst($args{'purpose'}); print "\n"; - print "**Definition**\n\n"; - print "::\n\n"; + print ".. container:: kernelindent\n\n"; + print $lineprefix . "**Definition**::\n\n"; my $declaration = $args{'definition'}; - $declaration =~ s/\t/ /g; - print " " . $args{'type'} . " " . $args{'struct'} . " {\n$declaration };\n\n"; + $lineprefix = $lineprefix . " "; + $declaration =~ s/\t/$lineprefix/g; + print $lineprefix . $args{'type'} . " " . $args{'struct'} . " {\n$declaration" . $lineprefix . "};\n\n"; - print "**Members**\n\n"; $lineprefix = " "; + print $lineprefix . "**Members**\n\n"; foreach $parameter (@{$args{'parameterlist'}}) { ($parameter =~ /^#/) && next; @@ -1003,8 +1014,10 @@ sub output_struct_rst(%) { ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; $type = $args{'parametertypes'}{$parameter}; print_lineno($parameterdesc_start_lines{$parameter_name}); - print "``" . $parameter . "``\n"; + print $lineprefix . "``" . $parameter . "``\n"; + $lineprefix = " "; output_highlight_rst($args{'parameterdescs'}{$parameter_name}); + $lineprefix = " "; print "\n"; } print "\n"; @@ -1448,6 +1461,8 @@ sub create_parameterlist($$$$) { foreach my $arg (split($splitter, $args)) { # strip comments $arg =~ s/\/\*.*\*\///; + # ignore argument attributes + $arg =~ s/\sPOS0?\s/ /; # strip leading/trailing spaces $arg =~ s/^\s*//; $arg =~ s/\s*$//; @@ -1657,6 +1672,7 @@ sub dump_function($$) { $prototype =~ s/^__inline +//; $prototype =~ s/^__always_inline +//; $prototype =~ s/^noinline +//; + $prototype =~ s/^__FORTIFY_INLINE +//; $prototype =~ s/__init +//; $prototype =~ s/__init_or_module +//; $prototype =~ s/__deprecated +//; @@ -1666,7 +1682,8 @@ sub dump_function($$) { $prototype =~ s/__weak +//; $prototype =~ s/__sched +//; $prototype =~ s/__printf\s*\(\s*\d*\s*,\s*\d*\s*\) +//; - $prototype =~ s/__alloc_size\s*\(\s*\d+\s*(?:,\s*\d+\s*)?\) +//; + $prototype =~ s/__(?:re)?alloc_size\s*\(\s*\d+\s*(?:,\s*\d+\s*)?\) +//; + $prototype =~ s/__diagnose_as\s*\(\s*\S+\s*(?:,\s*\d+\s*)*\) +//; my $define = $prototype =~ s/^#\s*define\s+//; #ak added $prototype =~ s/__attribute_const__ +//; $prototype =~ s/__attribute__\s*\(\( @@ -1948,6 +1965,10 @@ sub process_export_file($) { next if (defined($nosymbol_table{$2})); $function_table{$2} = 1; } + if (/$export_symbol_ns/) { + next if (defined($nosymbol_table{$2})); + $function_table{$2} = 1; + } } close(IN); @@ -2058,17 +2079,6 @@ sub process_name($$) { sub process_body($$) { my $file = shift; - # Until all named variable macro parameters are - # documented using the bare name (`x`) rather than with - # dots (`x...`), strip the dots: - if ($section =~ /\w\.\.\.$/) { - $section =~ s/\.\.\.$//; - - if ($verbose) { - emit_warning("${file}:$.", "Variable macro arguments should be documented without dots\n"); - } - } - if ($state == STATE_BODY_WITH_BLANK_LINE && /^\s*\*\s?\S/) { dump_section($file, $section, $contents); $section = $section_default; @@ -2419,12 +2429,12 @@ found on PATH. =item -export Only output documentation for the symbols that have been exported using -EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL() in any input FILE or -export-file FILE. +EXPORT_SYMBOL() and related macros in any input FILE or -export-file FILE. =item -internal Only output documentation for the symbols that have NOT been exported using -EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL() in any input FILE or -export-file FILE. +EXPORT_SYMBOL() and related macros in any input FILE or -export-file FILE. =item -function NAME @@ -2451,8 +2461,7 @@ Do not output DOC: sections. =item -export-file FILE -Specify an additional FILE in which to look for EXPORT_SYMBOL() and -EXPORT_SYMBOL_GPL(). +Specify an additional FILE in which to look for EXPORT_SYMBOL information. To be used with -export or -internal. diff --git a/scripts/leaking_addresses.pl b/scripts/leaking_addresses.pl index 8f636a23bc3f..e695634d153d 100755 --- a/scripts/leaking_addresses.pl +++ b/scripts/leaking_addresses.pl @@ -61,6 +61,7 @@ my @skip_abs = ( '/proc/device-tree', '/proc/1/syscall', '/sys/firmware/devicetree', + '/sys/kernel/tracing/trace_pipe', '/sys/kernel/debug/tracing/trace_pipe', '/sys/kernel/security/apparmor/revision'); diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index 918470d768e9..a432b171be82 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -156,6 +156,10 @@ kallsyms() kallsymopt="${kallsymopt} --base-relative" fi + if is_enabled CONFIG_LTO_CLANG; then + kallsymopt="${kallsymopt} --lto-clang" + fi + info KSYMS ${2} scripts/kallsyms ${kallsymopt} ${1} > ${2} } @@ -170,7 +174,7 @@ kallsyms_step() kallsyms_S=${kallsyms_vmlinux}.S vmlinux_link ${kallsyms_vmlinux} "${kallsymso_prev}" ${btf_vmlinux_bin_o} - mksysmap ${kallsyms_vmlinux} ${kallsyms_vmlinux}.syms + mksysmap ${kallsyms_vmlinux} ${kallsyms_vmlinux}.syms ${kallsymso_prev} kallsyms ${kallsyms_vmlinux}.syms ${kallsyms_S} info AS ${kallsyms_S} @@ -184,7 +188,7 @@ kallsyms_step() mksysmap() { info NM ${2} - ${CONFIG_SHELL} "${srctree}/scripts/mksysmap" ${1} ${2} + ${CONFIG_SHELL} "${srctree}/scripts/mksysmap" ${1} ${2} ${3} } sorttable() @@ -273,7 +277,7 @@ if is_enabled CONFIG_DEBUG_INFO_BTF && is_enabled CONFIG_BPF; then ${RESOLVE_BTFIDS} vmlinux fi -mksysmap vmlinux System.map +mksysmap vmlinux System.map ${kallsymso} if is_enabled CONFIG_BUILDTIME_TABLE_SORT; then info SORTTAB vmlinux @@ -287,7 +291,7 @@ fi if is_enabled CONFIG_KALLSYMS; then if ! cmp -s System.map ${kallsyms_vmlinux}.syms; then echo >&2 Inconsistent kallsyms data - echo >&2 Try "make KALLSYMS_EXTRA_PASS=1" as a workaround + echo >&2 'Try "make KALLSYMS_EXTRA_PASS=1" as a workaround' exit 1 fi fi diff --git a/scripts/min-tool-version.sh b/scripts/min-tool-version.sh index 201bccfbc678..20d483ec6f5f 100755 --- a/scripts/min-tool-version.sh +++ b/scripts/min-tool-version.sh @@ -14,15 +14,11 @@ fi case "$1" in binutils) - echo 2.23.0 + echo 2.25.0 ;; gcc) echo 5.1.0 ;; -icc) - # temporary - echo 16.0.3 - ;; llvm) if [ "$SRCARCH" = s390 ]; then echo 15.0.0 diff --git a/scripts/misc-check b/scripts/misc-check new file mode 100755 index 000000000000..d40d5484e0c5 --- /dev/null +++ b/scripts/misc-check @@ -0,0 +1,19 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-only + +set -e + +# Detect files that are tracked but ignored by git. This is checked only when +# ${KBUILD_EXTRA_WARN} contains 1, git is installed, and the source tree is +# tracked by git. +check_tracked_ignored_files () { + case "${KBUILD_EXTRA_WARN}" in + *1*) ;; + *) return;; + esac + + git -C ${srctree:-.} ls-files -i -c --exclude-per-directory=.gitignore 2>/dev/null | + sed 's/$/: warning: ignored by one of the .gitignore files/' >&2 +} + +check_tracked_ignored_files diff --git a/scripts/mksysmap b/scripts/mksysmap index 16a08b8ef2f8..cb3b1fff3eee 100755 --- a/scripts/mksysmap +++ b/scripts/mksysmap @@ -4,57 +4,104 @@ # tools to retrieve the actual addresses of symbols in the kernel. # # Usage -# mksysmap vmlinux System.map +# mksysmap vmlinux System.map [exclude] ##### # Generate System.map (actual filename passed as second argument) - -# $NM produces the following output: -# f0081e80 T alloc_vfsmnt - -# The second row specify the type of the symbol: -# A = Absolute -# B = Uninitialised data (.bss) -# C = Common symbol -# D = Initialised data -# G = Initialised data for small objects -# I = Indirect reference to another symbol -# N = Debugging symbol -# R = Read only -# S = Uninitialised data for small objects -# T = Text code symbol -# U = Undefined symbol -# V = Weak symbol -# W = Weak symbol -# Corresponding small letters are local symbols - -# For System.map filter away: -# a - local absolute symbols -# U - undefined global symbols -# N - debugging symbols -# w - local weak symbols +# The following refers to the symbol type as per nm(1). # readprofile starts reading symbols when _stext is found, and # continue until it finds a symbol which is not either of 'T', 't', # 'W' or 'w'. # -# Ignored prefixes: -# $ - local symbols for ARM, MIPS, etc. -# .L - local labels, .LBB,.Ltmpxxx,.L__unnamed_xx,.LASANPC, etc. -# __crc_ - modversions -# __kstrtab_ - EXPORT_SYMBOL (symbol name) -# __kstrtabns_ - EXPORT_SYMBOL (namespace) + +${NM} -n ${1} | sed >${2} -e " +# --------------------------------------------------------------------------- +# Ignored symbol types +# + +# a: local absolute symbols +# N: debugging symbols +# U: undefined global symbols +# w: local weak symbols +/ [aNUw] /d + +# --------------------------------------------------------------------------- +# Ignored prefixes +# (do not forget a space before each pattern) + +# local symbols for ARM, MIPS, etc. +/ \$/d + +# local labels, .LBB, .Ltmpxxx, .L__unnamed_xx, .LASANPC, etc. +/ \.L/d + +# arm64 EFI stub namespace +/ __efistub_/d + +# arm64 local symbols in non-VHE KVM namespace +/ __kvm_nvhe_\$/d +/ __kvm_nvhe_\.L/d + +# arm64 lld +/ __AArch64ADRPThunk_/d + +# arm lld +/ __ARMV5PILongThunk_/d +/ __ARMV7PILongThunk_/d +/ __ThumbV7PILongThunk_/d + +# mips lld +/ __LA25Thunk_/d +/ __microLA25Thunk_/d + +# CFI type identifiers +/ __kcfi_typeid_/d + +# CRC from modversions +/ __crc_/d + +# EXPORT_SYMBOL (symbol name) +/ __kstrtab_/d + +# EXPORT_SYMBOL (namespace) +/ __kstrtabns_/d + +# --------------------------------------------------------------------------- +# Ignored suffixes +# (do not forget '$' after each pattern) + +# arm +/_from_arm$/d +/_from_thumb$/d +/_veneer$/d + +# --------------------------------------------------------------------------- +# Ignored symbols (exact match) +# (do not forget a space before and '$' after each pattern) + +# for LoongArch? +/ L0$/d + +# ppc +/ _SDA_BASE_$/d +/ _SDA2_BASE_$/d + +# --------------------------------------------------------------------------- +# Ignored patterns +# (symbols that contain the pattern are ignored) + +# ppc stub +/\.long_branch\./d +/\.plt_branch\./d + +# --------------------------------------------------------------------------- +# Ignored kallsyms symbols # -# Ignored symbols: -# L0 - for LoongArch? - -$NM -n $1 | grep -v \ - -e ' [aNUw] ' \ - -e ' \$' \ - -e ' \.L' \ - -e ' __crc_' \ - -e ' __kstrtab_' \ - -e ' __kstrtabns_' \ - -e ' L0$' \ -> $2 +# If the 3rd parameter exists, symbols from it will be omitted from the output. +# This makes kallsyms have the identical symbol lists in the step 1 and 2. +# Without this, the step2 would get new symbols generated by scripts/kallsyms.c +# when CONFIG_KALLSYMS_ALL is enabled. That might require one more pass. +$(if [ $# -ge 3 ]; then ${NM} ${3} | sed -n '/ U /!s:.* \([^ ]*\)$:/ \1$/d:p'; fi) +" diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c index c0d3bcb99138..62dc988df84d 100644 --- a/scripts/mod/devicetable-offsets.c +++ b/scripts/mod/devicetable-offsets.c @@ -262,5 +262,9 @@ int main(void) DEVID(ishtp_device_id); DEVID_FIELD(ishtp_device_id, guid); + DEVID(cdx_device_id); + DEVID_FIELD(cdx_device_id, vendor); + DEVID_FIELD(cdx_device_id, device); + return 0; } diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 80d973144fde..28da34ba4359 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -34,19 +34,23 @@ typedef Elf64_Addr kernel_ulong_t; typedef uint32_t __u32; typedef uint16_t __u16; typedef unsigned char __u8; + +/* UUID types for backward compatibility, don't use in new code */ typedef struct { __u8 b[16]; } guid_t; -/* backwards compatibility, don't use in new code */ -typedef struct { - __u8 b[16]; -} uuid_le; typedef struct { __u8 b[16]; } uuid_t; + #define UUID_STRING_LEN 36 +/* MEI UUID type, don't use anywhere else */ +typedef struct { + __u8 b[16]; +} uuid_le; + /* Big exception to the "don't include kernel headers into userspace, which * even potentially has different endianness and word sizes, since * we handle those differences explicitly below */ @@ -140,25 +144,22 @@ static void device_id_check(const char *modname, const char *device_id, int i; if (size % id_size || size < id_size) { - fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo " - "of the size of " - "section __mod_%s__<identifier>_device_table=%lu.\n" - "Fix definition of struct %s_device_id " - "in mod_devicetable.h\n", + fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo of the size of section __mod_%s__<identifier>_device_table=%lu.\n" + "Fix definition of struct %s_device_id in mod_devicetable.h\n", modname, device_id, id_size, device_id, size, device_id); } /* Verify last one is a terminator */ for (i = 0; i < id_size; i++ ) { if (*(uint8_t*)(symval+size-id_size+i)) { - fprintf(stderr,"%s: struct %s_device_id is %lu bytes. " - "The last of %lu is:\n", + fprintf(stderr, + "%s: struct %s_device_id is %lu bytes. The last of %lu is:\n", modname, device_id, id_size, size / id_size); for (i = 0; i < id_size; i++ ) fprintf(stderr,"0x%02x ", *(uint8_t*)(symval+size-id_size+i) ); fprintf(stderr,"\n"); - fatal("%s: struct %s_device_id is not terminated " - "with a NULL entry!\n", modname, device_id); + fatal("%s: struct %s_device_id is not terminated with a NULL entry!\n", + modname, device_id); } } } @@ -1154,8 +1155,7 @@ static int do_amba_entry(const char *filename, DEF_FIELD(symval, amba_id, mask); if ((id & mask) != id) - fatal("%s: Masked-off bit(s) of AMBA device ID are non-zero: " - "id=0x%08X, mask=0x%08X. Please fix this driver.\n", + fatal("%s: Masked-off bit(s) of AMBA device ID are non-zero: id=0x%08X, mask=0x%08X. Please fix this driver.\n", filename, id, mask); p += sprintf(alias, "amba:d"); @@ -1452,6 +1452,17 @@ static int do_dfl_entry(const char *filename, void *symval, char *alias) return 1; } +/* Looks like: cdx:vNdN */ +static int do_cdx_entry(const char *filename, void *symval, + char *alias) +{ + DEF_FIELD(symval, cdx_device_id, vendor); + DEF_FIELD(symval, cdx_device_id, device); + + sprintf(alias, "cdx:v%08Xd%08Xd", vendor, device); + return 1; +} + /* Does namelen bytes of name exactly match the symbol? */ static bool sym_is(const char *name, unsigned namelen, const char *symbol) { @@ -1531,6 +1542,7 @@ static const struct devtable devtable[] = { {"ssam", SIZE_ssam_device_id, do_ssam_entry}, {"dfl", SIZE_dfl_device_id, do_dfl_entry}, {"ishtp", SIZE_ishtp_device_id, do_ishtp_entry}, + {"cdx", SIZE_cdx_device_id, do_cdx_entry}, }; /* Create MODULE_ALIAS() statements. diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 2c80da0220c3..c12150f96b88 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -22,6 +22,7 @@ #include <errno.h> #include "modpost.h" #include "../../include/linux/license.h" +#include "../../include/linux/module_symbol.h" /* Are we using CONFIG_MODVERSIONS? */ static bool modversions; @@ -519,9 +520,8 @@ static int parse_elf(struct elf_info *info, const char *filename) int nobits = sechdrs[i].sh_type == SHT_NOBITS; if (!nobits && sechdrs[i].sh_offset > info->size) { - fatal("%s is truncated. sechdrs[i].sh_offset=%lu > " - "sizeof(*hrd)=%zu\n", filename, - (unsigned long)sechdrs[i].sh_offset, + fatal("%s is truncated. sechdrs[i].sh_offset=%lu > sizeof(*hrd)=%zu\n", + filename, (unsigned long)sechdrs[i].sh_offset, sizeof(*hdr)); return 0; } @@ -823,10 +823,10 @@ static void check_section(const char *modname, struct elf_info *elf, #define ALL_EXIT_SECTIONS EXIT_SECTIONS, ALL_XXXEXIT_SECTIONS #define DATA_SECTIONS ".data", ".data.rel" -#define TEXT_SECTIONS ".text", ".text.unlikely", ".sched.text", \ +#define TEXT_SECTIONS ".text", ".text.*", ".sched.text", \ ".kprobes.text", ".cpuidle.text", ".noinstr.text" #define OTHER_TEXT_SECTIONS ".ref.text", ".head.text", ".spinlock.text", \ - ".fixup", ".entry.text", ".exception.text", ".text.*", \ + ".fixup", ".entry.text", ".exception.text", \ ".coldtext", ".softirqentry.text" #define INIT_SECTIONS ".init.*" @@ -1113,16 +1113,9 @@ static int secref_whitelist(const struct sectioncheck *mismatch, return 1; } -static inline int is_arm_mapping_symbol(const char *str) -{ - return str[0] == '$' && - (str[1] == 'a' || str[1] == 'd' || str[1] == 't' || str[1] == 'x') - && (str[2] == '\0' || str[2] == '.'); -} - /* * If there's no name there, ignore it; likewise, ignore it if it's - * one of the magic symbols emitted used by current ARM tools. + * one of the magic symbols emitted used by current tools. * * Otherwise if find_symbols_between() returns those symbols, they'll * fail the whitelist tests and cause lots of false alarms ... fixable @@ -1135,7 +1128,7 @@ static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym) if (!name || !strlen(name)) return 0; - return !is_arm_mapping_symbol(name); + return !is_mapping_symbol(name); } /** @@ -1355,8 +1348,7 @@ static void report_extable_warnings(const char* modname, struct elf_info* elf, get_pretty_name(is_function(tosym), &to_pretty_name, &to_pretty_name_p); - warn("%s(%s+0x%lx): Section mismatch in reference" - " from the %s %s%s to the %s %s:%s%s\n", + warn("%s(%s+0x%lx): Section mismatch in reference from the %s %s%s to the %s %s:%s%s\n", modname, fromsec, (long)r->r_offset, from_pretty_name, fromsym_name, from_pretty_name_p, to_pretty_name, tosec, tosym_name, to_pretty_name_p); @@ -1523,6 +1515,14 @@ static int addend_mips_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r) #define R_RISCV_SUB32 39 #endif +#ifndef EM_LOONGARCH +#define EM_LOONGARCH 258 +#endif + +#ifndef R_LARCH_SUB32 +#define R_LARCH_SUB32 55 +#endif + static void section_rela(const char *modname, struct elf_info *elf, Elf_Shdr *sechdr) { @@ -1564,6 +1564,11 @@ static void section_rela(const char *modname, struct elf_info *elf, ELF_R_TYPE(r.r_info) == R_RISCV_SUB32) continue; break; + case EM_LOONGARCH: + if (!strcmp("__ex_table", fromsec) && + ELF_R_TYPE(r.r_info) == R_LARCH_SUB32) + continue; + break; } sym = elf->symtab_start + r_sym; /* Skip special sections */ @@ -1722,7 +1727,7 @@ static void extract_crcs_for_object(const char *object, struct module *mod) if (!isdigit(*p)) continue; /* skip this line */ - crc = strtol(p, &p, 0); + crc = strtoul(p, &p, 0); if (*p != '\n') continue; /* skip this line */ @@ -1858,11 +1863,9 @@ static void read_symbols_from_files(const char *filename) FILE *in = stdin; char fname[PATH_MAX]; - if (strcmp(filename, "-") != 0) { - in = fopen(filename, "r"); - if (!in) - fatal("Can't open filenames file %s: %m", filename); - } + in = fopen(filename, "r"); + if (!in) + fatal("Can't open filenames file %s: %m", filename); while (fgets(fname, PATH_MAX, in) != NULL) { if (strends(fname, "\n")) @@ -1870,8 +1873,7 @@ static void read_symbols_from_files(const char *filename) read_symbols(fname); } - if (in != stdin) - fclose(in); + fclose(in); } #define SZ 500 @@ -1977,6 +1979,11 @@ static void add_header(struct buffer *b, struct module *mod) buf_printf(b, "#include <linux/vermagic.h>\n"); buf_printf(b, "#include <linux/compiler.h>\n"); buf_printf(b, "\n"); + buf_printf(b, "#ifdef CONFIG_UNWINDER_ORC\n"); + buf_printf(b, "#include <asm/orc_header.h>\n"); + buf_printf(b, "ORC_HEADER;\n"); + buf_printf(b, "#endif\n"); + buf_printf(b, "\n"); buf_printf(b, "BUILD_SALT;\n"); buf_printf(b, "BUILD_LTO_INFO;\n"); buf_printf(b, "\n"); diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c index 6bf9caca0968..31066bfdba04 100644 --- a/scripts/mod/sumversion.c +++ b/scripts/mod/sumversion.c @@ -153,7 +153,7 @@ static void md4_transform(uint32_t *hash, uint32_t const *in) static inline void md4_transform_helper(struct md4_ctx *ctx) { - le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(uint32_t)); + le32_to_cpu_array(ctx->block, ARRAY_SIZE(ctx->block)); md4_transform(ctx->hash, ctx->block); } @@ -216,7 +216,7 @@ static void md4_final_ascii(struct md4_ctx *mctx, char *out, unsigned int len) le32_to_cpu_array(mctx->block, (sizeof(mctx->block) - sizeof(uint64_t)) / sizeof(uint32_t)); md4_transform(mctx->hash, mctx->block); - cpu_to_le32_array(mctx->hash, sizeof(mctx->hash) / sizeof(uint32_t)); + cpu_to_le32_array(mctx->hash, ARRAY_SIZE(mctx->hash)); snprintf(out, len, "%08X%08X%08X%08X", mctx->hash[0], mctx->hash[1], mctx->hash[2], mctx->hash[3]); diff --git a/scripts/module.lds.S b/scripts/module.lds.S index da4bddd26171..bf5bcf2836d8 100644 --- a/scripts/module.lds.S +++ b/scripts/module.lds.S @@ -3,6 +3,12 @@ * Archs are free to supply their own linker scripts. ld will * combine them automatically. */ +#ifdef CONFIG_UNWIND_TABLES +#define DISCARD_EH_FRAME +#else +#define DISCARD_EH_FRAME *(.eh_frame) +#endif + SECTIONS { /DISCARD/ : { *(.discard) diff --git a/scripts/modules-check.sh b/scripts/modules-check.sh index e06327722263..4c8da90de78e 100755 --- a/scripts/modules-check.sh +++ b/scripts/modules-check.sh @@ -16,7 +16,7 @@ check_same_name_modules() for m in $(sed 's:.*/::' "$1" | sort | uniq -d) do echo "error: the following would cause module name conflict:" >&2 - sed -n "/\/$m/s:^: :p" "$1" >&2 + sed -n "/\/$m/s:^\(.*\)\.o\$: \1.ko:p" "$1" >&2 exit_code=1 done } diff --git a/scripts/objdump-func b/scripts/objdump-func index 4eb463dd9f52..7b15b873d0e2 100755 --- a/scripts/objdump-func +++ b/scripts/objdump-func @@ -3,7 +3,7 @@ # # Disassemble a single function. # -# usage: objdump-func <file> <func> +# usage: objdump-func <file> <func> [<func> ...] set -o errexit set -o nounset @@ -13,17 +13,33 @@ OBJDUMP="${CROSS_COMPILE:-}objdump" command -v gawk >/dev/null 2>&1 || die "gawk isn't installed" usage() { - echo "usage: objdump-func <file> <func>" >&2 + echo "usage: objdump-func <file> <func> [<func> ...]" >&2 exit 1 } [[ $# -lt 2 ]] && usage OBJ=$1; shift -FUNC=$1; shift - -# Secret feature to allow adding extra objdump args at the end -EXTRA_ARGS=$@ - -# Note this also matches compiler-added suffixes like ".cold", etc -${OBJDUMP} -wdr $EXTRA_ARGS $OBJ | gawk -M -v f=$FUNC '/^$/ { P=0; } $0 ~ "<" f "(\\..*)?>:" { P=1; O=strtonum("0x" $1); } { if (P) { o=strtonum("0x" $1); printf("%04x ", o-O); print $0; } }' +FUNCS=("$@") + +${OBJDUMP} -wdr $OBJ | gawk -M -v _funcs="${FUNCS[*]}" ' + BEGIN { split(_funcs, funcs); } + /^$/ { func_match=0; } + /<.*>:/ { + f = gensub(/.*<(.*)>:/, "\\1", 1); + for (i in funcs) { + # match compiler-added suffixes like ".cold", etc + if (f ~ "^" funcs[i] "(\\..*)?") { + func_match = 1; + base = strtonum("0x" $1); + break; + } + } + } + { + if (func_match) { + addr = strtonum("0x" $1); + printf("%04x ", addr - base); + print; + } + }' diff --git a/scripts/orc_hash.sh b/scripts/orc_hash.sh new file mode 100644 index 000000000000..466611aa0053 --- /dev/null +++ b/scripts/orc_hash.sh @@ -0,0 +1,16 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-or-later +# Copyright (c) Meta Platforms, Inc. and affiliates. + +set -e + +printf '%s' '#define ORC_HASH ' + +awk ' +/^#define ORC_(REG|TYPE)_/ { print } +/^struct orc_entry {$/ { p=1 } +p { print } +/^}/ { p=0 }' | + sha1sum | + cut -d " " -f 1 | + sed 's/\([0-9a-f]\{2\}\)/0x\1,/g' diff --git a/scripts/package/builddeb b/scripts/package/builddeb index 67cd420dcf89..252faaa5561c 100755 --- a/scripts/package/builddeb +++ b/scripts/package/builddeb @@ -42,19 +42,127 @@ create_package() { else chown -R root:root "$pdir" fi - chmod -R go-w "$pdir" - # in case we are in a restrictive umask environment like 0077 - chmod -R a+rX "$pdir" - # in case we build in a setuid/setgid directory - chmod -R ug-s "$pdir" + # a+rX in case we are in a restrictive umask environment like 0077 + # ug-s in case we build in a setuid/setgid directory + chmod -R go-w,a+rX,ug-s "$pdir" # Create the package dpkg-gencontrol -p$pname -P"$pdir" dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" .. } -deploy_kernel_headers () { +install_linux_image () { pdir=$1 + pname=$2 + + rm -rf ${pdir} + + # Only some architectures with OF support have this target + if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then + ${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install + fi + + if is_enabled CONFIG_MODULES; then + ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" modules_install + rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build" + rm -f "${pdir}/lib/modules/${KERNELRELEASE}/source" + if [ "${SRCARCH}" = um ] ; then + mkdir -p "${pdir}/usr/lib/uml/modules" + mv "${pdir}/lib/modules/${KERNELRELEASE}" "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}" + fi + fi + + # Install the kernel + if [ "${ARCH}" = um ] ; then + mkdir -p "${pdir}/usr/bin" "${pdir}/usr/share/doc/${pname}" + cp System.map "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}/System.map" + cp ${KCONFIG_CONFIG} "${pdir}/usr/share/doc/${pname}/config" + gzip "${pdir}/usr/share/doc/${pname}/config" + else + mkdir -p "${pdir}/boot" + cp System.map "${pdir}/boot/System.map-${KERNELRELEASE}" + cp ${KCONFIG_CONFIG} "${pdir}/boot/config-${KERNELRELEASE}" + fi + + # Not all arches have the same installed path in debian + # XXX: have each arch Makefile export a variable of the canonical image install + # path instead + case "${SRCARCH}" in + um) + installed_image_path="usr/bin/linux-${KERNELRELEASE}";; + parisc|mips|powerpc) + installed_image_path="boot/vmlinux-${KERNELRELEASE}";; + *) + installed_image_path="boot/vmlinuz-${KERNELRELEASE}";; + esac + cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}" + + # Install the maintainer scripts + # Note: hook scripts under /etc/kernel are also executed by official Debian + # kernel packages, as well as kernel packages built using make-kpkg. + # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and + # so do we; recent versions of dracut and initramfs-tools will obey this. + debhookdir=${KDEB_HOOKDIR:-/etc/kernel} + for script in postinst postrm preinst prerm; do + mkdir -p "${pdir}${debhookdir}/${script}.d" + + mkdir -p "${pdir}/DEBIAN" + cat <<-EOF > "${pdir}/DEBIAN/${script}" + + #!/bin/sh + + set -e + + # Pass maintainer script parameters to hook scripts + export DEB_MAINT_PARAMS="\$*" + + # Tell initramfs builder whether it's wanted + export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No) + + test -d ${debhookdir}/${script}.d && run-parts --arg="${KERNELRELEASE}" --arg="/${installed_image_path}" ${debhookdir}/${script}.d + exit 0 + EOF + chmod 755 "${pdir}/DEBIAN/${script}" + done +} + +install_linux_image_dbg () { + pdir=$1 + image_pdir=$2 + + rm -rf ${pdir} + + for module in $(find ${image_pdir}/lib/modules/ -name *.ko -printf '%P\n'); do + module=lib/modules/${module} + mkdir -p $(dirname ${pdir}/usr/lib/debug/${module}) + # only keep debug symbols in the debug file + ${OBJCOPY} --only-keep-debug ${image_pdir}/${module} ${pdir}/usr/lib/debug/${module} + # strip original module from debug symbols + ${OBJCOPY} --strip-debug ${image_pdir}/${module} + # then add a link to those + ${OBJCOPY} --add-gnu-debuglink=${pdir}/usr/lib/debug/${module} ${image_pdir}/${module} + done + + # re-sign stripped modules + if is_enabled CONFIG_MODULE_SIG_ALL; then + ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${image_pdir}" modules_sign + fi + + # Build debug package + # Different tools want the image in different locations + # perf + mkdir -p ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/ + cp vmlinux ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/ + # systemtap + mkdir -p ${pdir}/usr/lib/debug/boot/ + ln -s ../lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/boot/vmlinux-${KERNELRELEASE} + # kdump-tools + ln -s lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/vmlinux-${KERNELRELEASE} +} + +install_kernel_headers () { + pdir=$1 + version=$2 rm -rf $pdir @@ -91,7 +199,7 @@ deploy_kernel_headers () { ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build } -deploy_libc_headers () { +install_libc_headers () { pdir=$1 rm -rf $pdir @@ -101,137 +209,43 @@ deploy_libc_headers () { # move asm headers to /usr/include/<libc-machine>/asm to match the structure # used by Debian-based distros (to support multi-arch) - host_arch=$(dpkg-architecture -a$(cat debian/arch) -qDEB_HOST_MULTIARCH) + host_arch=$(dpkg-architecture -a$DEB_HOST_ARCH -qDEB_HOST_MULTIARCH) mkdir $pdir/usr/include/$host_arch mv $pdir/usr/include/asm $pdir/usr/include/$host_arch/ } -version=$KERNELRELEASE -tmpdir=debian/linux-image -dbg_dir=debian/linux-image-dbg -packagename=linux-image-$version -dbg_packagename=$packagename-dbg - -if [ "$ARCH" = "um" ] ; then - packagename=user-mode-linux-$version -fi - -# Not all arches have the same installed path in debian -# XXX: have each arch Makefile export a variable of the canonical image install -# path instead -case $ARCH in -um) - installed_image_path="usr/bin/linux-$version" - ;; -parisc|mips|powerpc) - installed_image_path="boot/vmlinux-$version" - ;; -*) - installed_image_path="boot/vmlinuz-$version" -esac - -BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes) - -# Setup the directory structure -rm -rf "$tmpdir" "$dbg_dir" debian/files -mkdir -m 755 -p "$tmpdir/DEBIAN" -mkdir -p "$tmpdir/lib" "$tmpdir/boot" - -# Install the kernel -if [ "$ARCH" = "um" ] ; then - mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename" - cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map" - cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config" - gzip "$tmpdir/usr/share/doc/$packagename/config" -else - cp System.map "$tmpdir/boot/System.map-$version" - cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version" -fi -cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path" - -if is_enabled CONFIG_OF_EARLY_FLATTREE; then - # Only some architectures with OF support have this target - if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then - $MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install - fi -fi - -if is_enabled CONFIG_MODULES; then - INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install - rm -f "$tmpdir/lib/modules/$version/build" - rm -f "$tmpdir/lib/modules/$version/source" - if [ "$ARCH" = "um" ] ; then - mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" - rmdir "$tmpdir/lib/modules/$version" - fi - if [ -n "$BUILD_DEBUG" ] ; then - for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do - module=lib/modules/$module - mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module) - # only keep debug symbols in the debug file - $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module - # strip original module from debug symbols - $OBJCOPY --strip-debug $tmpdir/$module - # then add a link to those - $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module - done - - # resign stripped modules - if is_enabled CONFIG_MODULE_SIG_ALL; then - INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign - fi - fi -fi - -# Install the maintainer scripts -# Note: hook scripts under /etc/kernel are also executed by official Debian -# kernel packages, as well as kernel packages built using make-kpkg. -# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and -# so do we; recent versions of dracut and initramfs-tools will obey this. -debhookdir=${KDEB_HOOKDIR:-/etc/kernel} -for script in postinst postrm preinst prerm ; do - mkdir -p "$tmpdir$debhookdir/$script.d" - cat <<EOF > "$tmpdir/DEBIAN/$script" -#!/bin/sh - -set -e - -# Pass maintainer script parameters to hook scripts -export DEB_MAINT_PARAMS="\$*" - -# Tell initramfs builder whether it's wanted -export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No) - -test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d -exit 0 -EOF - chmod 755 "$tmpdir/DEBIAN/$script" +rm -f debian/files + +packages_enabled=$(dh_listpackages) + +for package in ${packages_enabled} +do + case ${package} in + *-dbg) + # This must be done after linux-image, that is, we expect the + # debug package appears after linux-image in debian/control. + install_linux_image_dbg debian/linux-image-dbg debian/linux-image;; + linux-image-*|user-mode-linux-*) + install_linux_image debian/linux-image ${package};; + linux-libc-dev) + install_libc_headers debian/linux-libc-dev;; + linux-headers-*) + install_kernel_headers debian/linux-headers ${package#linux-headers-};; + esac done -if [ "$ARCH" != "um" ]; then - if is_enabled CONFIG_MODULES; then - deploy_kernel_headers debian/linux-headers - create_package linux-headers-$version debian/linux-headers - fi - - deploy_libc_headers debian/linux-libc-dev - create_package linux-libc-dev debian/linux-libc-dev -fi - -create_package "$packagename" "$tmpdir" - -if [ -n "$BUILD_DEBUG" ] ; then - # Build debug package - # Different tools want the image in different locations - # perf - mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/ - cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/ - # systemtap - mkdir -p $dbg_dir/usr/lib/debug/boot/ - ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version - # kdump-tools - ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version - create_package "$dbg_packagename" "$dbg_dir" -fi +for package in ${packages_enabled} +do + case ${package} in + *-dbg) + create_package ${package} debian/linux-image-dbg;; + linux-image-*|user-mode-linux-*) + create_package ${package} debian/linux-image;; + linux-libc-dev) + create_package ${package} debian/linux-libc-dev;; + linux-headers-*) + create_package ${package} debian/linux-headers;; + esac +done exit 0 diff --git a/scripts/package/buildtar b/scripts/package/buildtar index cb54c7f1aa80..65b4ea502962 100755 --- a/scripts/package/buildtar +++ b/scripts/package/buildtar @@ -16,39 +16,7 @@ set -e # # Some variables and settings used throughout the script # -tmpdir="${objtree}/tar-install" -tarball="${objtree}/linux-${KERNELRELEASE}-${ARCH}.tar" - - -# -# Figure out how to compress, if requested at all -# -case "${1}" in - dir-pkg|tar-pkg) - opts= - ;; - targz-pkg) - opts="-I ${KGZIP}" - tarball=${tarball}.gz - ;; - tarbz2-pkg) - opts="-I ${KBZIP2}" - tarball=${tarball}.bz2 - ;; - tarxz-pkg) - opts="-I ${XZ}" - tarball=${tarball}.xz - ;; - tarzst-pkg) - opts="-I ${ZSTD}" - tarball=${tarball}.zst - ;; - *) - echo "Unknown tarball target \"${1}\" requested, please add it to ${0}." >&2 - exit 1 - ;; -esac - +tmpdir=$1 # # Clean-up and re-create the temporary directory @@ -122,7 +90,7 @@ case "${ARCH}" in fi ;; arm64) - for i in Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo ; do + for i in Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo vmlinuz.efi ; do if [ -f "${objtree}/arch/arm64/boot/${i}" ] ; then cp -v -- "${objtree}/arch/arm64/boot/${i}" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}" break @@ -148,21 +116,3 @@ case "${ARCH}" in sleep 5 ;; esac - -if [ "${1}" = dir-pkg ]; then - echo "Kernel tree successfully created in $tmpdir" - exit 0 -fi - -# -# Create the tarball -# -if tar --owner=root --group=root --help >/dev/null 2>&1; then - opts="$opts --owner=root --group=root" -fi - -tar cf $tarball -C $tmpdir $opts $dirs - -echo "Tarball successfully created in $tarball" - -exit 0 diff --git a/scripts/package/deb-build-option b/scripts/package/deb-build-option new file mode 100755 index 000000000000..7950eff01781 --- /dev/null +++ b/scripts/package/deb-build-option @@ -0,0 +1,14 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-only + +# Set up CROSS_COMPILE if not defined yet +if [ "${CROSS_COMPILE+set}" != "set" -a "${DEB_HOST_ARCH}" != "${DEB_BUILD_ARCH}" ]; then + echo CROSS_COMPILE=${DEB_HOST_GNU_TYPE}- +fi + +version=$(dpkg-parsechangelog -S Version) +debian_revision="${version##*-}" + +if [ "${version}" != "${debian_revision}" ]; then + echo KBUILD_BUILD_VERSION=${debian_revision} +fi diff --git a/scripts/package/gen-diff-patch b/scripts/package/gen-diff-patch new file mode 100755 index 000000000000..8a98b7bb78a0 --- /dev/null +++ b/scripts/package/gen-diff-patch @@ -0,0 +1,36 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-only + +diff_patch=$1 + +mkdir -p "$(dirname "${diff_patch}")" + +git -C "${srctree:-.}" diff HEAD > "${diff_patch}" + +if [ ! -s "${diff_patch}" ] || + [ -z "$(git -C "${srctree:-.}" ls-files --other --exclude-standard | head -n1)" ]; then + exit +fi + +# The source tarball, which is generated by 'git archive', contains everything +# you committed in the repository. If you have local diff ('git diff HEAD'), +# it will go into ${diff_patch}. If untracked files are remaining, the resulting +# source package may not be correct. +# +# Examples: +# - You modified a source file to add #include "new-header.h" +# but forgot to add new-header.h +# - You modified a Makefile to add 'obj-$(CONFIG_FOO) += new-dirver.o' +# but you forgot to add new-driver.c +# +# You need to commit them, or at least stage them by 'git add'. +# +# This script does not take care of untracked files because doing so would +# introduce additional complexity. Instead, print a warning message here if +# untracked files are found. +# If all untracked files are just garbage, you can ignore this warning. +echo >&2 "============================ WARNING ============================" +echo >&2 "Your working tree has diff from HEAD, and also untracked file(s)." +echo >&2 "Please make sure you did 'git add' for all new files you need in" +echo >&2 "the source package." +echo >&2 "=================================================================" diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian index 60a2a63a5e90..ba2453e08d40 100755 --- a/scripts/package/mkdebian +++ b/scripts/package/mkdebian @@ -84,16 +84,75 @@ set_debarch() { fi } +# Create debian/source/ if it is a source package build +gen_source () +{ + mkdir -p debian/source + + echo "3.0 (quilt)" > debian/source/format + + { + echo "diff-ignore" + echo "extend-diff-ignore = .*" + } > debian/source/local-options + + # Add .config as a patch + mkdir -p debian/patches + { + echo "Subject: Add .config" + echo "Author: ${maintainer}" + echo + echo "--- /dev/null" + echo "+++ linux/.config" + diff -u /dev/null "${KCONFIG_CONFIG}" | tail -n +3 + } > debian/patches/config.patch + echo config.patch > debian/patches/series + + "${srctree}/scripts/package/gen-diff-patch" debian/patches/diff.patch + if [ -s debian/patches/diff.patch ]; then + sed -i " + 1iSubject: Add local diff + 1iAuthor: ${maintainer} + 1i + " debian/patches/diff.patch + + echo diff.patch >> debian/patches/series + else + rm -f debian/patches/diff.patch + fi +} + +rm -rf debian +mkdir debian + +email=${DEBEMAIL-$EMAIL} + +# use email string directly if it contains <email> +if echo "${email}" | grep -q '<.*>'; then + maintainer=${email} +else + # or construct the maintainer string + user=${KBUILD_BUILD_USER-$(id -nu)} + name=${DEBFULLNAME-${user}} + if [ -z "${email}" ]; then + buildhost=${KBUILD_BUILD_HOST-$(hostname -f 2>/dev/null || hostname)} + email="${user}@${buildhost}" + fi + maintainer="${name} <${email}>" +fi + +if [ "$1" = --need-source ]; then + gen_source +fi + # Some variables and settings used throughout the script version=$KERNELRELEASE if [ -n "$KDEB_PKGVERSION" ]; then packageversion=$KDEB_PKGVERSION - revision=${packageversion##*-} else - revision=$(cat .version 2>/dev/null||echo 1) - packageversion=$version-$revision + packageversion=$(${srctree}/scripts/setlocalversion --no-local ${srctree})-$($srctree/init/build-version) fi -sourcename=$KDEB_SOURCENAME +sourcename=${KDEB_SOURCENAME:-linux-upstream} if [ "$ARCH" = "um" ] ; then packagename=user-mode-linux @@ -104,22 +163,6 @@ fi debarch= set_debarch -email=${DEBEMAIL-$EMAIL} - -# use email string directly if it contains <email> -if echo $email | grep -q '<.*>'; then - maintainer=$email -else - # or construct the maintainer string - user=${KBUILD_BUILD_USER-$(id -nu)} - name=${DEBFULLNAME-$user} - if [ -z "$email" ]; then - buildhost=${KBUILD_BUILD_HOST-$(hostname -f 2>/dev/null || hostname)} - email="$user@$buildhost" - fi - maintainer="$name <$email>" -fi - # Try to determine distribution if [ -n "$KDEB_CHANGELOG_DIST" ]; then distribution=$KDEB_CHANGELOG_DIST @@ -132,9 +175,6 @@ else echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly" fi -mkdir -p debian/source/ -echo "1.0" > debian/source/format - echo $debarch > debian/arch extra_build_depends=", $(if_enabled_echo CONFIG_UNWINDER_ORC libelf-dev:native)" extra_build_depends="$extra_build_depends, $(if_enabled_echo CONFIG_SYSTEM_TRUSTED_KEYRING libssl-dev:native)" @@ -150,7 +190,7 @@ EOF # Generate copyright file cat <<EOF > debian/copyright -This is a packacked upstream version of the Linux kernel. +This is a packaged upstream version of the Linux kernel. The sources may be found at most Linux archive sites, including: https://www.kernel.org/pub/linux/kernel @@ -175,7 +215,7 @@ Section: kernel Priority: optional Maintainer: $maintainer Rules-Requires-Root: no -Build-Depends: bc, rsync, kmod, cpio, bison, flex | flex:native $extra_build_depends +Build-Depends: bc, debhelper, rsync, kmod, cpio, bison, flex $extra_build_depends Homepage: https://www.kernel.org/ Package: $packagename-$version @@ -183,6 +223,10 @@ Architecture: $debarch Description: Linux kernel, version $version This package contains the Linux kernel, modules and corresponding other files, version: $version. +EOF + +if [ "${SRCARCH}" != um ]; then +cat <<EOF >> debian/control Package: linux-libc-dev Section: devel @@ -205,6 +249,7 @@ Description: Linux kernel headers for $version on $debarch This is useful for people who need to build external modules EOF fi +fi if is_enabled CONFIG_DEBUG_INFO; then cat <<EOF >> debian/control @@ -222,22 +267,27 @@ cat <<EOF > debian/rules #!$(command -v $MAKE) -f srctree ?= . +KERNELRELEASE = ${KERNELRELEASE} + +.PHONY: clean build build-arch build-indep binary binary-arch binary-indep build-indep: build-arch: - \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \ - KBUILD_BUILD_VERSION=${revision} -f \$(srctree)/Makefile + \$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \ + KERNELRELEASE=\$(KERNELRELEASE) \ + \$(shell \$(srctree)/scripts/package/deb-build-option) \ + olddefconfig all build: build-arch binary-indep: binary-arch: build-arch - \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \ - KBUILD_BUILD_VERSION=${revision} -f \$(srctree)/Makefile intdeb-pkg + \$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \ + KERNELRELEASE=\$(KERNELRELEASE) intdeb-pkg clean: - rm -rf debian/*tmp debian/files - \$(MAKE) clean + rm -rf debian/files debian/linux-* + \$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} clean binary: binary-arch EOF diff --git a/scripts/package/mkspec b/scripts/package/mkspec index 70392fd2fd29..8049f0e2c110 100755 --- a/scripts/package/mkspec +++ b/scripts/package/mkspec @@ -1,7 +1,7 @@ #!/bin/sh # # Output a simple RPM spec file. -# This version assumes a minimum of RPM 4.0.3. +# This version assumes a minimum of RPM 4.13 # # The only gothic bit here is redefining install_post to avoid # stripping the symbols from files in the kernel which we want @@ -15,19 +15,19 @@ if [ "$1" = prebuilt ]; then MAKE="$MAKE -f $srctree/Makefile" else S= + + mkdir -p rpmbuild/SOURCES + cp linux.tar.gz rpmbuild/SOURCES + cp "${KCONFIG_CONFIG}" rpmbuild/SOURCES/config + "${srctree}/scripts/package/gen-diff-patch" rpmbuild/SOURCES/diff.patch fi -if grep -q CONFIG_MODULES=y .config; then +if grep -q CONFIG_MODULES=y include/config/auto.conf; then M= else M=DEL fi -if grep -q CONFIG_DRM=y .config; then - PROVIDES=kernel-drm -fi - -PROVIDES="$PROVIDES kernel-$KERNELRELEASE" __KERNELRELEASE=$(echo $KERNELRELEASE | sed -e "s/-/_/g") EXCLUDES="$RCS_TAR_IGNORE --exclude=*vmlinux* --exclude=*.mod \ --exclude=*.o --exclude=*.ko --exclude=*.cmd --exclude=Documentation \ @@ -47,8 +47,14 @@ sed -e '/^DEL/d' -e 's/^\t*//' <<EOF Group: System Environment/Kernel Vendor: The Linux Community URL: https://www.kernel.org -$S Source: kernel-$__KERNELRELEASE.tar.gz - Provides: $PROVIDES +$S Source0: linux.tar.gz +$S Source1: config +$S Source2: diff.patch + Provides: kernel-$KERNELRELEASE +$S BuildRequires: bc binutils bison dwarves +$S BuildRequires: (elfutils-libelf-devel or libelf-devel) flex +$S BuildRequires: gcc make openssl openssl-devel perl python3 rsync + # $UTS_MACHINE as a fallback of _arch in case # /usr/lib/rpm/platform/*/macros was not included. %define _arch %{?_arch:$UTS_MACHINE} @@ -79,10 +85,12 @@ $S$M This package provides kernel headers and makefiles sufficient to build modu $S$M against the $__KERNELRELEASE kernel package. $S$M $S %prep -$S %setup -q +$S %setup -q -n linux +$S cp %{SOURCE1} .config +$S patch -p1 < %{SOURCE2} $S $S %build -$S $MAKE %{?_smp_mflags} KBUILD_BUILD_VERSION=%{release} +$S $MAKE %{?_smp_mflags} KERNELRELEASE=$KERNELRELEASE KBUILD_BUILD_VERSION=%{release} $S %install mkdir -p %{buildroot}/boot diff --git a/scripts/pahole-flags.sh b/scripts/pahole-flags.sh index 0d99ef17e4a5..1f1f1d397c39 100755 --- a/scripts/pahole-flags.sh +++ b/scripts/pahole-flags.sh @@ -19,5 +19,9 @@ fi if [ "${pahole_ver}" -ge "122" ]; then extra_paholeopt="${extra_paholeopt} -j" fi +if [ "${pahole_ver}" -ge "124" ]; then + # see PAHOLE_HAS_LANG_EXCLUDE + extra_paholeopt="${extra_paholeopt} --lang_exclude=rust" +fi echo ${extra_paholeopt} diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c index cce12e1971d8..40ae6b2c7a6d 100644 --- a/scripts/recordmcount.c +++ b/scripts/recordmcount.c @@ -38,6 +38,14 @@ #define R_AARCH64_ABS64 257 #endif +#ifndef EM_LOONGARCH +#define EM_LOONGARCH 258 +#define R_LARCH_32 1 +#define R_LARCH_64 2 +#define R_LARCH_MARK_LA 20 +#define R_LARCH_SOP_PUSH_PLT_PCREL 29 +#endif + #define R_ARM_PC24 1 #define R_ARM_THM_CALL 10 #define R_ARM_CALL 28 @@ -102,6 +110,7 @@ static ssize_t uwrite(void const *const buf, size_t const count) { size_t cnt = count; off_t idx = 0; + void *p = NULL; file_updated = 1; @@ -109,7 +118,10 @@ static ssize_t uwrite(void const *const buf, size_t const count) off_t aoffset = (file_ptr + count) - file_end; if (aoffset > file_append_size) { - file_append = realloc(file_append, aoffset); + p = realloc(file_append, aoffset); + if (!p) + free(file_append); + file_append = p; file_append_size = aoffset; } if (!file_append) { @@ -441,6 +453,28 @@ static int arm64_is_fake_mcount(Elf64_Rel const *rp) return ELF64_R_TYPE(w8(rp->r_info)) != R_AARCH64_CALL26; } +static int LARCH32_is_fake_mcount(Elf32_Rel const *rp) +{ + switch (ELF64_R_TYPE(w(rp->r_info))) { + case R_LARCH_MARK_LA: + case R_LARCH_SOP_PUSH_PLT_PCREL: + return 0; + } + + return 1; +} + +static int LARCH64_is_fake_mcount(Elf64_Rel const *rp) +{ + switch (ELF64_R_TYPE(w(rp->r_info))) { + case R_LARCH_MARK_LA: + case R_LARCH_SOP_PUSH_PLT_PCREL: + return 0; + } + + return 1; +} + /* 64-bit EM_MIPS has weird ELF64_Rela.r_info. * http://techpubs.sgi.com/library/manuals/4000/007-4658-001/pdf/007-4658-001.pdf * We interpret Table 29 Relocation Operation (Elf64_Rel, Elf64_Rela) [p.40] @@ -558,6 +592,7 @@ static int do_file(char const *const fname) break; case EM_IA_64: reltype = R_IA64_IMM64; break; case EM_MIPS: /* reltype: e_class */ break; + case EM_LOONGARCH: /* reltype: e_class */ break; case EM_PPC: reltype = R_PPC_ADDR32; break; case EM_PPC64: reltype = R_PPC64_ADDR64; break; case EM_S390: /* reltype: e_class */ break; @@ -589,6 +624,10 @@ static int do_file(char const *const fname) reltype = R_MIPS_32; is_fake_mcount32 = MIPS32_is_fake_mcount; } + if (w2(ehdr->e_machine) == EM_LOONGARCH) { + reltype = R_LARCH_32; + is_fake_mcount32 = LARCH32_is_fake_mcount; + } if (do32(ehdr, fname, reltype) < 0) goto out; break; @@ -610,6 +649,10 @@ static int do_file(char const *const fname) Elf64_r_info = MIPS64_r_info; is_fake_mcount64 = MIPS64_is_fake_mcount; } + if (w2(ghdr->e_machine) == EM_LOONGARCH) { + reltype = R_LARCH_64; + is_fake_mcount64 = LARCH64_is_fake_mcount; + } if (do64(ghdr, fname, reltype) < 0) goto out; break; diff --git a/scripts/relocs_check.sh b/scripts/relocs_check.sh new file mode 100755 index 000000000000..137c660499f3 --- /dev/null +++ b/scripts/relocs_check.sh @@ -0,0 +1,20 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-or-later + +# Get a list of all the relocations, remove from it the relocations +# that are known to be legitimate and return this list to arch specific +# script that will look for suspicious relocations. + +objdump="$1" +nm="$2" +vmlinux="$3" + +# Remove from the possible bad relocations those that match an undefined +# weak symbol which will result in an absolute relocation to 0. +# Weak unresolved symbols are of that form in nm output: +# " w _binary__btf_vmlinux_bin_end" +undef_weak_symbols=$($nm "$vmlinux" | awk '$1 ~ /w/ { print $2 }') + +$objdump -R "$vmlinux" | + grep -E '\<R_' | + ([ "$undef_weak_symbols" ] && grep -F -w -v "$undef_weak_symbols" || cat) diff --git a/scripts/remove-stale-files b/scripts/remove-stale-files index ccadfa3afb2b..7f432900671a 100755 --- a/scripts/remove-stale-files +++ b/scripts/remove-stale-files @@ -21,29 +21,15 @@ set -e # then will be really dead and removed from the code base entirely. rm -f arch/powerpc/purgatory/kexec-purgatory.c - -# These were previously generated source files. When you are building the kernel -# with O=, make sure to remove the stale files in the output tree. Otherwise, -# the build system wrongly compiles the stale ones. -if [ -n "${building_out_of_srctree}" ]; then - for f in fdt_rw.c fdt_ro.c fdt_wip.c fdt.c ashldi3.S bswapsdi2.S font.c lib1funcs.S hyp-stub.S - do - rm -f arch/arm/boot/compressed/${f} - done - - for f in uart-ath79.c ashldi3.c bswapdi.c bswapsi.c - do - rm -f arch/mips/boot/compressed/${f} - done - - for f in firmware.c real2.S - do - rm -f arch/parisc/boot/compressed/${f} - done -fi - rm -f arch/riscv/purgatory/kexec-purgatory.c +rm -f arch/x86/purgatory/kexec-purgatory.c rm -f scripts/extract-cert -rm -f arch/x86/purgatory/kexec-purgatory.c +rm -f scripts/kconfig/[gmnq]conf-cfg + +rm -f rust/target.json + +rm -f scripts/bin2c + +rm -f .scmversion diff --git a/scripts/setlocalversion b/scripts/setlocalversion index af4754a35e66..3d3babac8298 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -11,16 +11,17 @@ # usage() { - echo "Usage: $0 [--save-scmversion] [srctree]" >&2 + echo "Usage: $0 [--no-local] [srctree]" >&2 exit 1 } -scm_only=false -srctree=. -if test "$1" = "--save-scmversion"; then - scm_only=true +no_local=false +if test "$1" = "--no-local"; then + no_local=true shift fi + +srctree=. if test $# -gt 0; then srctree=$1 shift @@ -31,58 +32,82 @@ fi scm_version() { - local short - short=false + local short=false + local no_dirty=false + local tag + + while [ $# -gt 0 ]; + do + case "$1" in + --short) + short=true;; + --no-dirty) + no_dirty=true;; + esac + shift + done cd "$srctree" - if test -e .scmversion; then - cat .scmversion + + if test -n "$(git rev-parse --show-cdup 2>/dev/null)"; then + return + fi + + if ! head=$(git rev-parse --verify HEAD 2>/dev/null); then return fi - if test "$1" = "--short"; then - short=true + + # If a localversion*' file and the corresponding annotated tag exist, + # use it. This is the case in linux-next. + tag=${file_localversion#-} + tag=$(git describe --exact-match --match=$tag $tag 2>/dev/null) + + # Otherwise, default to the annotated tag derived from KERNELVERSION. + # mainline kernel: 6.2.0-rc5 -> v6.2-rc5 + # stable kernel: 6.1.7 -> v6.1.7 + if [ -z "${tag}" ]; then + tag=v$(echo "${KERNELVERSION}" | sed -E 's/^([0-9]+\.[0-9]+)\.0(.*)$/\1\2/') fi - # Check for git and a git repo. - if test -z "$(git rev-parse --show-cdup 2>/dev/null)" && - head=$(git rev-parse --verify HEAD 2>/dev/null); then - - # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore - # it, because this version is defined in the top level Makefile. - if [ -z "$(git describe --exact-match 2>/dev/null)" ]; then - - # If only the short version is requested, don't bother - # running further git commands - if $short; then - echo "+" - return - fi - # If we are past a tagged commit (like - # "v2.6.30-rc5-302-g72357d5"), we pretty print it. - if atag="$(git describe 2>/dev/null)"; then - echo "$atag" | awk -F- '{printf("-%05d", $(NF-1))}' - fi - - # Add -g and exactly 12 hex chars. - printf '%s%s' -g "$(echo $head | cut -c1-12)" - fi + # If we are at the tagged commit, we ignore it because the version is + # well-defined. + if [ -z "$(git describe --exact-match --match=$tag 2>/dev/null)" ]; then - # Check for uncommitted changes. - # This script must avoid any write attempt to the source tree, - # which might be read-only. - # You cannot use 'git describe --dirty' because it tries to - # create .git/index.lock . - # First, with git-status, but --no-optional-locks is only - # supported in git >= 2.14, so fall back to git-diff-index if - # it fails. Note that git-diff-index does not refresh the - # index, so it may give misleading results. See - # git-update-index(1), git-diff-index(1), and git-status(1). - if { - git --no-optional-locks status -uno --porcelain 2>/dev/null || - git diff-index --name-only HEAD - } | read dummy; then - printf '%s' -dirty + # If only the short version is requested, don't bother + # running further git commands + if $short; then + echo "+" + return fi + # If we are past the tagged commit, we pretty print it. + # (like 6.1.0-14595-g292a089d78d3) + if atag="$(git describe --match=$tag 2>/dev/null)"; then + echo "$atag" | awk -F- '{printf("-%05d", $(NF-1))}' + fi + + # Add -g and exactly 12 hex chars. + printf '%s%s' -g "$(echo $head | cut -c1-12)" + fi + + if ${no_dirty}; then + return + fi + + # Check for uncommitted changes. + # This script must avoid any write attempt to the source tree, which + # might be read-only. + # You cannot use 'git describe --dirty' because it tries to create + # .git/index.lock . + # First, with git-status, but --no-optional-locks is only supported in + # git >= 2.14, so fall back to git-diff-index if it fails. Note that + # git-diff-index does not refresh the index, so it may give misleading + # results. + # See git-update-index(1), git-diff-index(1), and git-status(1). + if { + git --no-optional-locks status -uno --porcelain 2>/dev/null || + git diff-index --name-only HEAD + } | read dummy; then + printf '%s' -dirty fi } @@ -103,33 +128,34 @@ collect_files() echo "$res" } -if $scm_only; then - if test ! -e .scmversion; then - res=$(scm_version) - echo "$res" >.scmversion - fi - exit -fi - -if ! test -e include/config/auto.conf; then - echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 +if [ -z "${KERNELVERSION}" ]; then + echo "KERNELVERSION is not set" >&2 exit 1 fi # localversion* files in the build and source directory -res="$(collect_files localversion*)" +file_localversion="$(collect_files localversion*)" if test ! "$srctree" -ef .; then - res="$res$(collect_files "$srctree"/localversion*)" + file_localversion="${file_localversion}$(collect_files "$srctree"/localversion*)" +fi + +if ${no_local}; then + echo "${KERNELVERSION}$(scm_version --no-dirty)" + exit 0 +fi + +if ! test -e include/config/auto.conf; then + echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 + exit 1 fi -# CONFIG_LOCALVERSION and LOCALVERSION (if set) +# version string from CONFIG_LOCALVERSION config_localversion=$(sed -n 's/^CONFIG_LOCALVERSION=\(.*\)$/\1/p' include/config/auto.conf) -res="${res}${config_localversion}${LOCALVERSION}" -# scm version string if not at a tagged commit +# scm version string if not at the kernel version tag or at the file_localversion if grep -q "^CONFIG_LOCALVERSION_AUTO=y$" include/config/auto.conf; then # full scm version string - res="$res$(scm_version)" + scm_version="$(scm_version)" elif [ "${LOCALVERSION+set}" != "set" ]; then # If the variable LOCALVERSION is not set, append a plus # sign if the repository is not in a clean annotated or @@ -138,8 +164,7 @@ elif [ "${LOCALVERSION+set}" != "set" ]; then # # If the variable LOCALVERSION is set (including being set # to an empty string), we don't want to append a plus sign. - scm=$(scm_version --short) - res="$res${scm:++}" + scm_version="$(scm_version --short)" fi -echo "$res" +echo "${KERNELVERSION}${file_localversion}${config_localversion}${LOCALVERSION}${scm_version}" diff --git a/scripts/sorttable.c b/scripts/sorttable.c index fba40e99f354..83cdb843d92f 100644 --- a/scripts/sorttable.c +++ b/scripts/sorttable.c @@ -304,6 +304,7 @@ static int do_file(char const *const fname, void *addr) switch (r2(&ehdr->e_machine)) { case EM_386: case EM_AARCH64: + case EM_LOONGARCH: case EM_RISCV: case EM_S390: case EM_X86_64: @@ -317,7 +318,6 @@ static int do_file(char const *const fname, void *addr) case EM_ARCOMPACT: case EM_ARCV2: case EM_ARM: - case EM_LOONGARCH: case EM_MICROBLAZE: case EM_MIPS: case EM_XTENSA: diff --git a/scripts/sorttable.h b/scripts/sorttable.h index deb7c1d3e979..7bd0184380d3 100644 --- a/scripts/sorttable.h +++ b/scripts/sorttable.h @@ -128,7 +128,7 @@ static int orc_sort_cmp(const void *_a, const void *_b) * whitelisted .o files which didn't get objtool generation. */ orc_a = g_orc_table + (a - g_orc_ip_table); - return orc_a->sp_reg == ORC_REG_UNDEFINED && !orc_a->end ? -1 : 1; + return orc_a->type == ORC_TYPE_UNDEFINED ? -1 : 1; } static void *sort_orctable(void *arg) diff --git a/scripts/spelling.txt b/scripts/spelling.txt index 8435b99452b6..f8bd6178d17b 100644 --- a/scripts/spelling.txt +++ b/scripts/spelling.txt @@ -23,6 +23,7 @@ absoulte||absolute acccess||access acceess||access accelaration||acceleration +accelearion||acceleration acceleratoin||acceleration accelleration||acceleration accesing||accessing @@ -58,11 +59,13 @@ acording||according activete||activate actived||activated actualy||actually +actvie||active acumulating||accumulating acumulative||accumulative acumulator||accumulator acutally||actually adapater||adapter +adderted||asserted addional||additional additionaly||additionally additonal||additional @@ -120,6 +123,7 @@ alue||value ambigious||ambiguous ambigous||ambiguous amoung||among +amount of times||number of times amout||amount amplifer||amplifier amplifyer||amplifier @@ -253,6 +257,7 @@ brigde||bridge broadcase||broadcast broadcat||broadcast bufer||buffer +bufferred||buffered bufufer||buffer cacluated||calculated caculate||calculate @@ -273,6 +278,7 @@ cant||can't cant'||can't canot||cannot cann't||can't +cannnot||cannot capabilites||capabilities capabilties||capabilities capabilty||capability @@ -283,6 +289,7 @@ capapbilities||capabilities caputure||capture carefuly||carefully cariage||carriage +casued||caused catagory||category cehck||check challange||challenge @@ -309,6 +316,7 @@ chiled||child chked||checked chnage||change chnages||changes +chnange||change chnnel||channel choosen||chosen chouse||chose @@ -365,6 +373,7 @@ conbination||combination conditionaly||conditionally conditon||condition condtion||condition +condtional||conditional conected||connected conector||connector configration||configuration @@ -418,6 +427,7 @@ cound||could couter||counter coutner||counter cryptocraphic||cryptographic +cummulative||cumulative cunter||counter curently||currently cylic||cyclic @@ -439,6 +449,7 @@ defferred||deferred definate||definite definately||definitely definiation||definition +definiton||definition defintion||definition defintions||definitions defualt||default @@ -452,6 +463,7 @@ delare||declare delares||declares delaring||declaring delemiter||delimiter +delibrately||deliberately delievered||delivered demodualtor||demodulator demension||dimension @@ -481,6 +493,7 @@ destroied||destroyed detabase||database deteced||detected detectt||detect +detroyed||destroyed develope||develop developement||development developped||developed @@ -507,6 +520,7 @@ dimention||dimension dimesions||dimensions diconnected||disconnected disabed||disabled +disasembler||disassembler disble||disable disgest||digest disired||desired @@ -616,8 +630,10 @@ exeuction||execution existance||existence existant||existent exixt||exist +exsits||exists exlcude||exclude exlcusive||exclusive +exlusive||exclusive exmaple||example expecially||especially experies||expires @@ -655,17 +671,20 @@ feauture||feature feautures||features fetaure||feature fetaures||features +fetcing||fetching fileystem||filesystem fimrware||firmware fimware||firmware firmare||firmware firmaware||firmware +firtly||firstly firware||firmware firwmare||firmware finanize||finalize findn||find finilizes||finalizes finsih||finish +fliter||filter flusing||flushing folloing||following followign||following @@ -725,6 +744,7 @@ hanled||handled happend||happened hardare||hardware harware||hardware +hardward||hardware havind||having heirarchically||hierarchically heirarchy||hierarchy @@ -740,6 +760,7 @@ howver||however hsould||should hypervior||hypervisor hypter||hyper +idel||idle identidier||identifier iligal||illegal illigal||illegal @@ -826,6 +847,7 @@ integrety||integrity integrey||integrity intendet||intended intented||intended +interal||internal interanl||internal interchangable||interchangeable interferring||interfering @@ -931,9 +953,11 @@ matchs||matches mathimatical||mathematical mathimatic||mathematic mathimatics||mathematics +maxmium||maximum maximium||maximum maxium||maximum mechamism||mechanism +mechanim||mechanism meetign||meeting memeory||memory memmber||member @@ -942,6 +966,7 @@ memroy||memory ment||meant mergable||mergeable mesage||message +mesages||messages messags||messages messgaes||messages messsage||message @@ -983,8 +1008,9 @@ monochromo||monochrome monocrome||monochrome mopdule||module mroe||more -multipler||multiplier mulitplied||multiplied +muliple||multiple +multipler||multiplier multidimensionnal||multidimensional multipe||multiple multple||multiple @@ -1007,6 +1033,7 @@ negotation||negotiation nerver||never nescessary||necessary nessessary||necessary +none existent||non-existent noticable||noticeable notication||notification notications||notifications @@ -1028,6 +1055,7 @@ occured||occurred occurence||occurrence occure||occurred occuring||occurring +ocurrence||occurrence offser||offset offet||offset offlaod||offload @@ -1039,6 +1067,7 @@ omitt||omit ommiting||omitting ommitted||omitted onself||oneself +onthe||on the ony||only openning||opening operatione||operation @@ -1105,10 +1134,12 @@ perfomring||performing periperal||peripheral peripherial||peripheral permissons||permissions +permited||permitted peroid||period persistance||persistence persistant||persistent phoneticly||phonetically +plaform||platform plalform||platform platfoem||platform platfrom||platform @@ -1236,6 +1267,7 @@ refering||referring refernces||references refernnce||reference refrence||reference +regiser||register registed||registered registerd||registered registeration||registration @@ -1276,6 +1308,7 @@ reseting||resetting reseved||reserved reseverd||reserved resizeable||resizable +resotre||restore resouce||resource resouces||resources resoures||resources @@ -1314,6 +1347,8 @@ runtine||runtime sacrifying||sacrificing safly||safely safty||safety +satify||satisfy +satisifed||satisfied savable||saveable scaleing||scaling scaned||scanned @@ -1365,10 +1400,12 @@ similiar||similar simlar||similar simliar||similar simpified||simplified +simultaneusly||simultaneously simultanous||simultaneous singaled||signaled singal||signal singed||signed +slect||select sleeped||slept sliped||slipped softwade||software @@ -1438,6 +1475,7 @@ suported||supported suport||support supportet||supported suppored||supported +supporing||supporting supportin||supporting suppoted||supported suppported||supported @@ -1475,15 +1513,18 @@ sytem||system sythesis||synthesis taht||that tained||tainted +tarffic||traffic tansmit||transmit targetted||targeted targetting||targeting taskelt||tasklet teh||the +temeprature||temperature temorary||temporary temproarily||temporarily temperture||temperature thead||thread +theads||threads therfore||therefore thier||their threds||threads @@ -1532,13 +1573,16 @@ tunning||tuning ture||true tyep||type udpate||update +updtes||updates uesd||used +unknwon||unknown uknown||unknown usccess||success uncommited||uncommitted uncompatible||incompatible unconditionaly||unconditionally undeflow||underflow +undelying||underlying underun||underrun unecessary||unnecessary unexecpted||unexpected @@ -1569,11 +1613,14 @@ unneedingly||unnecessarily unnsupported||unsupported unmached||unmatched unprecise||imprecise +unpriviledged||unprivileged +unpriviliged||unprivileged unregester||unregister unresgister||unregister unrgesiter||unregister unsinged||unsigned unstabel||unstable +unsolicted||unsolicited unsolicitied||unsolicited unsuccessfull||unsuccessful unsuported||unsupported @@ -1583,6 +1630,7 @@ unuseful||useless unvalid||invalid upate||update upsupported||unsupported +upto||up to useable||usable usefule||useful usefull||useful diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install index ec84fc62774e..1fb88fdceec3 100755 --- a/scripts/sphinx-pre-install +++ b/scripts/sphinx-pre-install @@ -362,7 +362,6 @@ sub give_debian_hints() { my %map = ( "python-sphinx" => "python3-sphinx", - "sphinx_rtd_theme" => "python3-sphinx-rtd-theme", "ensurepip" => "python3-venv", "virtualenv" => "virtualenv", "dot" => "graphviz", @@ -397,7 +396,6 @@ sub give_redhat_hints() { my %map = ( "python-sphinx" => "python3-sphinx", - "sphinx_rtd_theme" => "python3-sphinx_rtd_theme", "virtualenv" => "python3-virtualenv", "dot" => "graphviz", "convert" => "ImageMagick", @@ -475,7 +473,6 @@ sub give_opensuse_hints() { my %map = ( "python-sphinx" => "python3-sphinx", - "sphinx_rtd_theme" => "python3-sphinx_rtd_theme", "virtualenv" => "python3-virtualenv", "dot" => "graphviz", "convert" => "ImageMagick", @@ -523,7 +520,6 @@ sub give_mageia_hints() { my %map = ( "python-sphinx" => "python3-sphinx", - "sphinx_rtd_theme" => "python3-sphinx_rtd_theme", "virtualenv" => "python3-virtualenv", "dot" => "graphviz", "convert" => "ImageMagick", @@ -567,7 +563,6 @@ sub give_mageia_hints() sub give_arch_linux_hints() { my %map = ( - "sphinx_rtd_theme" => "python-sphinx_rtd_theme", "virtualenv" => "python-virtualenv", "dot" => "graphviz", "convert" => "imagemagick", @@ -598,7 +593,6 @@ sub give_arch_linux_hints() sub give_gentoo_hints() { my %map = ( - "sphinx_rtd_theme" => "dev-python/sphinx_rtd_theme", "virtualenv" => "dev-python/virtualenv", "dot" => "media-gfx/graphviz", "convert" => "media-gfx/imagemagick", @@ -895,7 +889,6 @@ sub recommend_sphinx_version($) $verbose_warn_install = 0; add_package("python-sphinx", 0); - check_python_module("sphinx_rtd_theme", 1); check_distros(); @@ -968,7 +961,6 @@ sub check_needs() check_perl_module("Pod::Usage", 0); check_program("make", 0); check_program("gcc", 0); - check_python_module("sphinx_rtd_theme", 1) if (!$virtualenv); check_program("dot", 1); check_program("convert", 1); diff --git a/scripts/tags.sh b/scripts/tags.sh index e137cf15aae9..ea31640b2671 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -8,7 +8,7 @@ # Uses the following environment variables: # SUBARCH, SRCARCH, srctree -if [ "$KBUILD_VERBOSE" = "1" ]; then +if [[ "$KBUILD_VERBOSE" =~ 1 ]]; then set -x fi @@ -17,6 +17,13 @@ ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )" # tags and cscope files should also ignore MODVERSION *.mod.c files ignore="$ignore ( -name *.mod.c ) -prune -o" +# ignore arbitrary directories +if [ -n "${IGNORE_DIRS}" ]; then + for i in ${IGNORE_DIRS}; do + ignore="${ignore} ( -path $i ) -prune -o" + done +fi + # Use make KBUILD_ABS_SRCTREE=1 {tags|cscope} # to force full paths for a non-O= build if [ "${srctree}" = "." -o -z "${srctree}" ]; then @@ -91,7 +98,7 @@ all_compiled_sources() { echo include/generated/autoconf.h find $ignore -name "*.cmd" -exec \ - grep -Poh '(?(?=^source_.* \K).*|(?=^ \K\S).*(?= \\))' {} \+ | + sed -n -E 's/^source_.* (.*)/\1/p; s/^ (\S.*) \\/\1/p' {} \+ | awk '!a[$0]++' } | xargs realpath -esq $([ -z "$KBUILD_ABS_SRCTREE" ] && echo --relative-to=.) | sort -u @@ -264,10 +271,12 @@ exuberant() --$CTAGS_EXTRA=+fq --c-kinds=+px --fields=+iaS --langmap=c:+.h \ "${regex[@]}" - setup_regex exuberant kconfig - all_kconfigs | xargs $1 -a \ - --langdef=kconfig --language-force=kconfig "${regex[@]}" - + KCONFIG_ARGS=() + if ! $1 --list-languages | grep -iq kconfig; then + setup_regex exuberant kconfig + KCONFIG_ARGS=(--langdef=kconfig --language-force=kconfig "${regex[@]}") + fi + all_kconfigs | xargs $1 -a "${KCONFIG_ARGS[@]}" } emacs() diff --git a/scripts/tools-support-relr.sh b/scripts/tools-support-relr.sh index cb55878bd5b8..4c121946e517 100755 --- a/scripts/tools-support-relr.sh +++ b/scripts/tools-support-relr.sh @@ -7,8 +7,12 @@ trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT cat << "END" | $CC -c -x c - -o $tmp_file.o >/dev/null 2>&1 void *p = &p; END -$LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr \ - --use-android-relr-tags -o $tmp_file + +# ld.lld before 15 did not support -z pack-relative-relocs. +if ! $LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file 2>/dev/null; then + $LD $tmp_file.o -shared -Bsymbolic -z pack-relative-relocs -o $tmp_file 2>&1 | + grep -q pack-relative-relocs && exit 1 +fi # Despite printing an error message, GNU nm still exits with exit code 0 if it # sees a relr section. So we need to check that nothing is printed to stderr. diff --git a/scripts/tracing/draw_functrace.py b/scripts/tracing/draw_functrace.py index 438516bdfb3c..42fa87300941 100755 --- a/scripts/tracing/draw_functrace.py +++ b/scripts/tracing/draw_functrace.py @@ -12,9 +12,9 @@ calls. Only the functions's names and the call time are provided. Usage: Be sure that you have CONFIG_FUNCTION_TRACER - # mount -t debugfs nodev /sys/kernel/debug - # echo function > /sys/kernel/debug/tracing/current_tracer - $ cat /sys/kernel/debug/tracing/trace_pipe > ~/raw_trace_func + # mount -t tracefs nodev /sys/kernel/tracing + # echo function > /sys/kernel/tracing/current_tracer + $ cat /sys/kernel/tracing/trace_pipe > ~/raw_trace_func Wait some times but not too much, the script is a bit slow. Break the pipe (Ctrl + Z) $ scripts/tracing/draw_functrace.py < ~/raw_trace_func > draw_functrace diff --git a/scripts/tracing/ftrace-bisect.sh b/scripts/tracing/ftrace-bisect.sh index 926701162bc8..bb4f59262bbe 100755 --- a/scripts/tracing/ftrace-bisect.sh +++ b/scripts/tracing/ftrace-bisect.sh @@ -12,7 +12,7 @@ # (note, if this is a problem with function_graph tracing, then simply # replace "function" with "function_graph" in the following steps). # -# # cd /sys/kernel/debug/tracing +# # cd /sys/kernel/tracing # # echo schedule > set_ftrace_filter # # echo function > current_tracer # @@ -20,22 +20,40 @@ # # # echo nop > current_tracer # -# # cat available_filter_functions > ~/full-file +# Starting with v5.1 this can be done with numbers, making it much faster: +# +# The old (slow) way, for kernels before v5.1. +# +# [old-way] # cat available_filter_functions > ~/full-file +# +# [old-way] *** Note *** this process will take several minutes to update the +# [old-way] filters. Setting multiple functions is an O(n^2) operation, and we +# [old-way] are dealing with thousands of functions. So go have coffee, talk +# [old-way] with your coworkers, read facebook. And eventually, this operation +# [old-way] will end. +# +# The new way (using numbers) is an O(n) operation, and usually takes less than a second. +# +# seq `wc -l available_filter_functions | cut -d' ' -f1` > ~/full-file +# +# This will create a sequence of numbers that match the functions in +# available_filter_functions, and when echoing in a number into the +# set_ftrace_filter file, it will enable the corresponding function in +# O(1) time. Making enabling all functions O(n) where n is the number of +# functions to enable. +# +# For either the new or old way, the rest of the operations remain the same. +# # # ftrace-bisect ~/full-file ~/test-file ~/non-test-file # # cat ~/test-file > set_ftrace_filter # -# *** Note *** this will take several minutes. Setting multiple functions is -# an O(n^2) operation, and we are dealing with thousands of functions. So go -# have coffee, talk with your coworkers, read facebook. And eventually, this -# operation will end. -# # # echo function > current_tracer # # If it crashes, we know that ~/test-file has a bad function. # # Reboot back to test kernel. # -# # cd /sys/kernel/debug/tracing +# # cd /sys/kernel/tracing # # mv ~/test-file ~/full-file # # If it didn't crash. |