diff options
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/Makefile.build | 17 | ||||
-rw-r--r-- | scripts/Makefile.lib | 8 | ||||
-rw-r--r-- | scripts/mod/modpost.c | 27 |
3 files changed, 28 insertions, 24 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index f6152c70f7f4..2e3a10e79ca9 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -258,10 +258,14 @@ ifneq ($(SKIP_STACK_VALIDATION),1) __objtool_obj := $(objtree)/tools/objtool/objtool -objtool_args = check +objtool_args = $(if $(CONFIG_ORC_UNWINDER),orc generate,check) + ifndef CONFIG_FRAME_POINTER objtool_args += --no-fp endif +ifdef CONFIG_GCOV_KERNEL +objtool_args += --no-unreachable +endif # 'OBJECT_FILES_NON_STANDARD := y': skip objtool checking for a directory # 'OBJECT_FILES_NON_STANDARD_foo.o := 'y': skip objtool checking for a file @@ -276,6 +280,11 @@ objtool_obj = $(if $(patsubst y%,, \ endif # SKIP_STACK_VALIDATION endif # CONFIG_STACK_VALIDATION +# Rebuild all objects when objtool changes, or is enabled/disabled. +objtool_dep = $(objtool_obj) \ + $(wildcard include/config/orc/unwinder.h \ + include/config/stack/validation.h) + define rule_cc_o_c $(call echo-cmd,checksrc) $(cmd_checksrc) \ $(call cmd_and_fixdep,cc_o_c) \ @@ -298,13 +307,13 @@ cmd_undef_syms = echo endif # Built-in and composite module parts -$(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_obj) FORCE +$(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE $(call cmd,force_checksrc) $(call if_changed_rule,cc_o_c) # Single-part modules are special since we need to mark them in $(MODVERDIR) -$(single-used-m): $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_obj) FORCE +$(single-used-m): $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE $(call cmd,force_checksrc) $(call if_changed_rule,cc_o_c) @{ echo $(@:.o=.ko); echo $@; \ @@ -399,7 +408,7 @@ cmd_modversions_S = \ endif endif -$(obj)/%.o: $(src)/%.S $(objtool_obj) FORCE +$(obj)/%.o: $(src)/%.S $(objtool_dep) FORCE $(call if_changed_rule,as_o_S) targets += $(real-objs-y) $(real-objs-m) $(lib-y) diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 58c05e5d9870..dcc0d5fdf5a2 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -173,10 +173,10 @@ cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ ld_flags = $(LDFLAGS) $(ldflags-y) +DTC_INCLUDE := $(srctree)/scripts/dtc/include-prefixes + dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ - -I$(srctree)/arch/$(SRCARCH)/boot/dts \ - -I$(srctree)/scripts/dtc/include-prefixes \ - -I$(srctree)/drivers/of/testcase-data \ + $(addprefix -I,$(DTC_INCLUDE)) \ -undef -D__DTS__ # Finds the multi-part object the current object will be linked into @@ -317,7 +317,7 @@ quiet_cmd_dtc = DTC $@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ $(DTC) -O dtb -o $@ -b 0 \ - -i $(dir $<) $(DTC_FLAGS) \ + $(addprefix -i,$(dir $<) $(DTC_INCLUDE)) $(DTC_FLAGS) \ -d $(depfile).dtc.tmp $(dtc-tmp) ; \ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 48397feb08fb..b920d186ad4a 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -261,7 +261,17 @@ static enum export export_no(const char *s) return export_unknown; } -static const char *sec_name(struct elf_info *elf, int secindex); +static const char *sech_name(struct elf_info *elf, Elf_Shdr *sechdr) +{ + return (void *)elf->hdr + + elf->sechdrs[elf->secindex_strings].sh_offset + + sechdr->sh_name; +} + +static const char *sec_name(struct elf_info *elf, int secindex) +{ + return sech_name(elf, &elf->sechdrs[secindex]); +} #define strstarts(str, prefix) (strncmp(str, prefix, strlen(prefix)) == 0) @@ -775,21 +785,6 @@ static const char *sym_name(struct elf_info *elf, Elf_Sym *sym) return "(unknown)"; } -static const char *sec_name(struct elf_info *elf, int secindex) -{ - Elf_Shdr *sechdrs = elf->sechdrs; - return (void *)elf->hdr + - elf->sechdrs[elf->secindex_strings].sh_offset + - sechdrs[secindex].sh_name; -} - -static const char *sech_name(struct elf_info *elf, Elf_Shdr *sechdr) -{ - return (void *)elf->hdr + - elf->sechdrs[elf->secindex_strings].sh_offset + - sechdr->sh_name; -} - /* The pattern is an array of simple patterns. * "foo" will match an exact string equal to "foo" * "*foo" will match a string that ends with "foo" |