diff options
author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-12-29 16:47:18 +1100 |
---|---|---|
committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-12-29 16:47:18 +1100 |
commit | 0a8c5395f90f06d128247844b2515c8bf3f2826b (patch) | |
tree | d95382dcdfa303b99d480c01763d6cb6767fdaca /scripts | |
parent | 25051158bbed127e8672b43396c71c5eb610e5f1 (diff) | |
parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) |
[XFS] Fix merge failures
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
fs/xfs/linux-2.6/xfs_cred.h
fs/xfs/linux-2.6/xfs_globals.h
fs/xfs/linux-2.6/xfs_ioctl.c
fs/xfs/xfs_vnodeops.h
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/Kbuild.include | 22 | ||||
-rw-r--r-- | scripts/Makefile.build | 79 | ||||
-rw-r--r-- | scripts/Makefile.lib | 15 | ||||
-rw-r--r-- | scripts/Makefile.modinst | 3 | ||||
-rw-r--r-- | scripts/bootgraph.pl | 16 | ||||
-rwxr-xr-x | scripts/decodecode | 32 | ||||
-rwxr-xr-x | scripts/extract-ikconfig | 8 | ||||
-rw-r--r-- | scripts/genksyms/genksyms.c | 277 | ||||
-rw-r--r-- | scripts/genksyms/genksyms.h | 7 | ||||
-rw-r--r-- | scripts/genksyms/keywords.c_shipped | 189 | ||||
-rw-r--r-- | scripts/genksyms/keywords.gperf | 2 | ||||
-rwxr-xr-x | scripts/headerdep.pl | 193 | ||||
-rw-r--r-- | scripts/kallsyms.c | 21 | ||||
-rw-r--r-- | scripts/kconfig/lxdialog/check-lxdialog.sh | 2 | ||||
-rwxr-xr-x | scripts/kernel-doc | 67 | ||||
-rwxr-xr-x | scripts/mkcompile_h | 6 | ||||
-rw-r--r-- | scripts/mkmakefile | 4 | ||||
-rw-r--r-- | scripts/mksysmap | 7 | ||||
-rw-r--r-- | scripts/package/Makefile | 9 | ||||
-rwxr-xr-x | scripts/recordmcount.pl | 51 | ||||
-rwxr-xr-x | scripts/setlocalversion | 7 | ||||
-rw-r--r-- | scripts/strip-symbols | 22 | ||||
-rwxr-xr-x | scripts/tags.sh | 160 | ||||
-rw-r--r-- | scripts/trace/power.pl | 108 | ||||
-rw-r--r-- | scripts/tracing/draw_functrace.py | 130 |
25 files changed, 1216 insertions, 221 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 982dcae7bbe..c29be8f9024 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -25,6 +25,13 @@ basetarget = $(basename $(notdir $@)) escsq = $(subst $(squote),'\$(squote)',$1) ### +# Easy method for doing a status message + kecho := : + quiet_kecho := echo +silent_kecho := : +kecho := $($(quiet)kecho) + +### # filechk is used to check if the content of a generated file is updated. # Sample usage: # define filechk_sample @@ -39,22 +46,15 @@ escsq = $(subst $(squote),'\$(squote)',$1) # - If they are equal no change, and no timestamp update # - stdin is piped in from the first prerequisite ($<) so one has # to specify a valid file as first prerequisite (often the kbuild file) - chk_filechk = : - quiet_chk_filechk = echo ' CHK $@' -silent_chk_filechk = : - upd_filechk = : - quiet_upd_filechk = echo ' UPD $@' -silent_upd_filechk = : - define filechk $(Q)set -e; \ - $($(quiet)chk_filechk); \ + $(kecho) ' CHK $@'; \ mkdir -p $(dir $@); \ $(filechk_$(1)) < $< > $@.tmp; \ if [ -r $@ ] && cmp -s $@ $@.tmp; then \ rm -f $@.tmp; \ else \ - $($(quiet)upd_filechk); \ + $(kecho) ' UPD $@'; \ mv -f $@.tmp $@; \ fi endef @@ -144,7 +144,9 @@ ld-option = $(call try-run,\ build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj # Prefix -I with $(srctree) if it is not an absolute path. -addtree = $(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1) +# skip if -I has no parameter +addtree = $(if $(patsubst -I%,%,$(1)), \ +$(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)) # Find all -I options and call addtree flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o))) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 468fbc9016c..5d900307de3 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -151,14 +151,20 @@ cmd_cc_i_c = $(CPP) $(c_flags) -o $@ $< $(obj)/%.i: $(src)/%.c FORCE $(call if_changed_dep,cc_i_c) +cmd_genksyms = \ + $(CPP) -D__GENKSYMS__ $(c_flags) $< | \ + $(GENKSYMS) -T $@ -A -a $(ARCH) \ + $(if $(KBUILD_PRESERVE),-p) \ + $(if $(1),-r $(firstword $(wildcard $(@:.symtypes=.symref) /dev/null))) + quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@ -cmd_cc_symtypes_c = \ - $(CPP) -D__GENKSYMS__ $(c_flags) $< \ - | $(GENKSYMS) -T $@ >/dev/null; \ - test -s $@ || rm -f $@ +cmd_cc_symtypes_c = \ + set -e; \ + $(call cmd_genksyms, true) >/dev/null; \ + test -s $@ || rm -f $@ $(obj)/%.symtypes : $(src)/%.c FORCE - $(call if_changed_dep,cc_symtypes_c) + $(call cmd,cc_symtypes_c) # C (.c) files # The C file is compiled and updated dependency information is generated. @@ -171,43 +177,45 @@ cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< else # When module versioning is enabled the following steps are executed: -# o compile a .tmp_<file>.o from <file>.c -# o if .tmp_<file>.o doesn't contain a __ksymtab version, i.e. does -# not export symbols, we just rename .tmp_<file>.o to <file>.o and +# o compile a .tmp_<file>.s from <file>.c +# o if .tmp_<file>.s doesn't contain a __ksymtab version, i.e. does +# not export symbols, we just assemble .tmp_<file>.s to <file>.o and # are done. # o otherwise, we calculate symbol versions using the good old # genksyms on the preprocessed source and postprocess them in a way -# that they are usable as a linker script -# o generate <file>.o from .tmp_<file>.o using the linker to -# replace the unresolved symbols __crc_exported_symbol with -# the actual value of the checksum generated by genksyms +# that they are usable as assembly source +# o assemble <file>.o from .tmp_<file>.s forcing inclusion of directives +# defining the actual values of __crc_*, followed by objcopy-ing them +# to force these symbols to be local to permit stripping them later. +s_file = $(@D)/.tmp_$(@F:.o=.s) +v_file = $(@D)/.tmp_$(@F:.o=.v) +tmp_o_file = $(@D)/.tmp_$(@F) +no_g_c_flags = $(filter-out -g%,$(c_flags)) + +cmd_cc_o_c = $(CC) $(c_flags) -S -o $(s_file) $< -cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $< cmd_modversions = \ - if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then \ - $(CPP) -D__GENKSYMS__ $(c_flags) $< \ - | $(GENKSYMS) $(if $(KBUILD_SYMTYPES), \ - -T $(@D)/$(@F:.o=.symtypes)) -a $(ARCH) \ - > $(@D)/.tmp_$(@F:.o=.ver); \ - \ - $(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \ - -T $(@D)/.tmp_$(@F:.o=.ver); \ - rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver); \ + if grep -q __ksymtab $(s_file); then \ + if $(call cmd_genksyms, $(KBUILD_SYMTYPES)) > $(v_file) \ + && $(CC) $(no_g_c_flags) -c -Wa,$(v_file) \ + -o $(tmp_o_file) $(s_file) \ + && $(OBJCOPY) -L '__crc_*' -L '___crc_*' -w \ + $(tmp_o_file) $@; \ + then \ + : ; \ + else \ + rm -f $@; exit 1; \ + fi; \ else \ - mv -f $(@D)/.tmp_$(@F) $@; \ + rm -f $(v_file); \ + $(CC) $(no_g_c_flags) -c -o $@ $(s_file); \ fi; endif -ifdef CONFIG_64BIT -arch_bits = 64 -else -arch_bits = 32 -endif - ifdef CONFIG_FTRACE_MCOUNT_RECORD -cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl \ - "$(ARCH)" "$(arch_bits)" "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" \ - "$(NM)" "$(RM)" "$(MV)" "$(@)"; +cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ + "$(if $(CONFIG_64BIT),64,32)" \ + "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" "$(@)"; endif define rule_cc_o_c @@ -217,7 +225,12 @@ define rule_cc_o_c $(cmd_record_mcount) \ scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' > \ $(dot-target).tmp; \ - rm -f $(depfile); \ + if [ -r $(@D)/.tmp_$(@F:.o=.v) ]; then \ + echo >> $(dot-target).tmp; \ + echo '$@: $(GENKSYMS)' >> $(dot-target).tmp; \ + echo '$(GENKSYMS):: ;' >> $(dot-target).tmp; \ + fi; \ + rm -f $(depfile) $(@D)/.tmp_$(@F:.o=.?); \ mv -f $(dot-target).tmp $(dot-target).cmd endef diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index b4ca38a2115..e06365775bd 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -104,9 +104,11 @@ else debug_flags = endif -orig_c_flags = $(KBUILD_CFLAGS) $(ccflags-y) $(CFLAGS_$(basetarget).o) +orig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) \ + $(ccflags-y) $(CFLAGS_$(basetarget).o) _c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) -_a_flags = $(KBUILD_AFLAGS) $(asflags-y) $(AFLAGS_$(basetarget).o) +_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) \ + $(asflags-y) $(AFLAGS_$(basetarget).o) _cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F)) # If building the kernel in a separate objtree expand all occurrences @@ -127,15 +129,16 @@ __a_flags = $(call flags,_a_flags) __cpp_flags = $(call flags,_cpp_flags) endif -c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(KBUILD_CPPFLAGS) \ - $(__c_flags) $(modkern_cflags) \ +c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ + $(__c_flags) $(modkern_cflags) \ -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) \ $(debug_flags) -a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(KBUILD_CPPFLAGS) \ +a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ $(__a_flags) $(modkern_aflags) -cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(__cpp_flags) +cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ + $(__cpp_flags) ld_flags = $(LDFLAGS) $(ldflags-y) diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst index efa5d940e63..a5122dce126 100644 --- a/scripts/Makefile.modinst +++ b/scripts/Makefile.modinst @@ -17,7 +17,8 @@ __modinst: $(modules) @: quiet_cmd_modules_install = INSTALL $@ - cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@) + cmd_modules_install = mkdir -p $(2); \ + $(mod_strip_cmd) $@ $(2)/$(notdir $@) || cp $@ $(2) # Modules built outside the kernel source tree go into extra by default INSTALL_MOD_DIR ?= extra diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl index d2c61efc216..f0af9aa9b24 100644 --- a/scripts/bootgraph.pl +++ b/scripts/bootgraph.pl @@ -78,11 +78,13 @@ while (<>) { } if ($count == 0) { - print "No data found in the dmesg. Make sure that 'printk.time=1' and\n"; - print "'initcall_debug' are passed on the kernel command line.\n\n"; - print "Usage: \n"; - print " dmesg | perl scripts/bootgraph.pl > output.svg\n\n"; - exit; + print STDERR <<END; +No data found in the dmesg. Make sure that 'printk.time=1' and +'initcall_debug' are passed on the kernel command line. +Usage: + dmesg | perl scripts/bootgraph.pl > output.svg +END + exit 1; } print "<?xml version=\"1.0\" standalone=\"no\"?> \n"; @@ -109,8 +111,8 @@ my $stylecounter = 0; my %rows; my $rowscount = 1; my @initcalls = sort { $start{$a} <=> $start{$b} } keys(%start); -my $key; -foreach $key (@initcalls) { + +foreach my $key (@initcalls) { my $duration = $end{$key} - $start{$key}; if ($duration >= $threshold) { diff --git a/scripts/decodecode b/scripts/decodecode index 235d3938529..4b00647814b 100755 --- a/scripts/decodecode +++ b/scripts/decodecode @@ -7,7 +7,7 @@ # AFLAGS=--32 decodecode < 386.oops cleanup() { - rm -f $T $T.s $T.o + rm -f $T $T.s $T.o $T.oo $T.aa $T.aaa exit 1 } @@ -44,21 +44,33 @@ if [ $marker -eq 0 ]; then marker=`expr index "$code" "\("` fi +touch $T.oo if [ $marker -ne 0 ]; then - beforemark=`echo "$code" | cut -c-$((${marker} - 1))` + echo All code >> $T.oo + echo ======== >> $T.oo + beforemark=`echo "$code"` echo -n " .byte 0x" > $T.s - echo $beforemark | sed -e 's/ /,0x/g' >> $T.s - as $AFLAGS -o $T.o $T.s - objdump -S $T.o - rm $T.o $T.s + echo $beforemark | sed -e 's/ /,0x/g' | sed -e 's/<//g' | sed -e 's/>//g' >> $T.s + as $AFLAGS -o $T.o $T.s &> /dev/null + objdump -S $T.o | grep -v "/tmp" | grep -v "Disassembly" | grep -v "\.text" | grep -v "^$" &> $T.ooo + cat $T.ooo >> $T.oo + rm -f $T.o $T.s $T.ooo # and fix code at-and-after marker code=`echo "$code" | cut -c$((${marker} + 1))-` fi - +echo Code starting with the faulting instruction > $T.aa +echo =========================================== >> $T.aa code=`echo $code | sed -e 's/ [<(]/ /;s/[>)] / /;s/ /,0x/g'` echo -n " .byte 0x" > $T.s echo $code >> $T.s -as $AFLAGS -o $T.o $T.s -objdump -S $T.o -rm $T $T.s $T.o +as $AFLAGS -o $T.o $T.s &> /dev/null +objdump -S $T.o | grep -v "Disassembly" | grep -v "/tmp" | grep -v "\.text" | grep -v "^$" &> $T.aaa +cat $T.aaa >> $T.aa + +faultline=`cat $T.aaa | head -1 | cut -d":" -f2` + +cat $T.oo | sed -e "s/\($faultline\)/\*\1 <-- trapping instruction/g" +echo +cat $T.aa +cleanup diff --git a/scripts/extract-ikconfig b/scripts/extract-ikconfig index 8187e6f0dc2..72997c353cb 100755 --- a/scripts/extract-ikconfig +++ b/scripts/extract-ikconfig @@ -8,8 +8,8 @@ test -e $binoffset || cc -o $binoffset ./scripts/binoffset.c || exit 1 IKCFG_ST="0x49 0x4b 0x43 0x46 0x47 0x5f 0x53 0x54" IKCFG_ED="0x49 0x4b 0x43 0x46 0x47 0x5f 0x45 0x44" -function dump_config { - typeset file="$1" +dump_config() { + file="$1" start=`$binoffset $file $IKCFG_ST 2>/dev/null` [ "$?" != "0" ] && start="-1" @@ -18,8 +18,8 @@ function dump_config { fi end=`$binoffset $file $IKCFG_ED 2>/dev/null` - let start="$start + 8" - let size="$end - $start" + start=`expr $start + 8` + size=`expr $end - $start` dd if="$file" ibs=1 skip="$start" count="$size" 2>/dev/null | zcat diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c index c249274e005..f8bb4cabd62 100644 --- a/scripts/genksyms/genksyms.c +++ b/scripts/genksyms/genksyms.c @@ -42,7 +42,8 @@ static FILE *debugfile; int cur_line = 1; char *cur_filename; -static int flag_debug, flag_dump_defs, flag_dump_types, flag_warnings; +static int flag_debug, flag_dump_defs, flag_reference, flag_dump_types, + flag_preserve, flag_warnings, flag_asm; static const char *arch = ""; static const char *mod_prefix = ""; @@ -58,6 +59,8 @@ static const char *const symbol_type_name[] = { static int equal_list(struct string_list *a, struct string_list *b); static void print_list(FILE * f, struct string_list *list); +static void print_location(void); +static void print_type_name(enum symbol_type type, const char *name); /*----------------------------------------------------------------------*/ @@ -151,27 +154,83 @@ struct symbol *find_symbol(const char *name, enum symbol_type ns) for (sym = symtab[h]; sym; sym = sym->hash_next) if (map_to_ns(sym->type) == map_to_ns(ns) && - strcmp(name, sym->name) == 0) + strcmp(name, sym->name) == 0 && + sym->is_declared) break; return sym; } -struct symbol *add_symbol(const char *name, enum symbol_type type, - struct string_list *defn, int is_extern) +static int is_unknown_symbol(struct symbol *sym) +{ + struct string_list *defn; + + return ((sym->type == SYM_STRUCT || + sym->type == SYM_UNION || + sym->type == SYM_ENUM) && + (defn = sym->defn) && defn->tag == SYM_NORMAL && + strcmp(defn->string, "}") == 0 && + (defn = defn->next) && defn->tag == SYM_NORMAL && + strcmp(defn->string, "UNKNOWN") == 0 && + (defn = defn->next) && defn->tag == SYM_NORMAL && + strcmp(defn->string, "{") == 0); +} + +struct symbol *__add_symbol(const char *name, enum symbol_type type, + struct string_list *defn, int is_extern, + int is_reference) { unsigned long h = crc32(name) % HASH_BUCKETS; struct symbol *sym; + enum symbol_status status = STATUS_UNCHANGED; for (sym = symtab[h]; sym; sym = sym->hash_next) { - if (map_to_ns(sym->type) == map_to_ns(type) - && strcmp(name, sym->name) == 0) { - if (!equal_list(sym->defn, defn)) + if (map_to_ns(sym->type) == map_to_ns(type) && + strcmp(name, sym->name) == 0) { + if (is_reference) + /* fall through */ ; + else if (sym->type == type && + equal_list(sym->defn, defn)) { + if (!sym->is_declared && sym->is_override) { + print_location(); + print_type_name(type, name); + fprintf(stderr, " modversion is " + "unchanged\n"); + } + sym->is_declared = 1; + return sym; + } else if (!sym->is_declared) { + if (sym->is_override && flag_preserve) { + print_location(); + fprintf(stderr, "ignoring "); + print_type_name(type, name); + fprintf(stderr, " modversion change\n"); + sym->is_declared = 1; + return sym; + } else { + status = is_unknown_symbol(sym) ? + STATUS_DEFINED : STATUS_MODIFIED; + } + } else { error_with_pos("redefinition of %s", name); - return sym; + return sym; + } + break; } } + if (sym) { + struct symbol **psym; + + for (psym = &symtab[h]; *psym; psym = &(*psym)->hash_next) { + if (*psym == sym) { + *psym = sym->hash_next; + break; + } + } + --nsyms; + } + sym = xmalloc(sizeof(*sym)); sym->name = name; sym->type = type; @@ -183,6 +242,10 @@ struct symbol *add_symbol(const char *name, enum symbol_type type, sym->hash_next = symtab[h]; symtab[h] = sym; + sym->is_declared = !is_reference; + sym->status = status; + sym->is_override = 0; + if (flag_debug) { fprintf(debugfile, "Defn for %s %s == <", symbol_type_name[type], name); @@ -196,6 +259,18 @@ struct symbol *add_symbol(const char *name, enum symbol_type type, return sym; } +struct symbol *add_symbol(const char *name, enum symbol_type type, + struct string_list *defn, int is_extern) +{ + return __add_symbol(name, type, defn, is_extern, 0); +} + +struct symbol *add_reference_symbol(const char *name, enum symbol_type type, + struct string_list *defn, int is_extern) +{ + return __add_symbol(name, type, defn, is_extern, 1); +} + /*----------------------------------------------------------------------*/ void free_node(struct string_list *node) @@ -236,6 +311,90 @@ static int equal_list(struct string_list *a, struct string_list *b) return !a && !b; } +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +struct string_list *read_node(FILE *f) +{ + char buffer[256]; + struct string_list node = { + .string = buffer, + .tag = SYM_NORMAL }; + int c; + + while ((c = fgetc(f)) != EOF) { + if (c == ' ') { + if (node.string == buffer) + continue; + break; + } else if (c == '\n') { + if (node.string == buffer) + return NULL; + ungetc(c, f); + break; + } + if (node.string >= buffer + sizeof(buffer) - 1) { + fprintf(stderr, "Token too long\n"); + exit(1); + } + *node.string++ = c; + } + if (node.string == buffer) + return NULL; + *node.string = 0; + node.string = buffer; + + if (node.string[1] == '#') { + int n; + + for (n = 0; n < ARRAY_SIZE(symbol_type_name); n++) { + if (node.string[0] == symbol_type_name[n][0]) { + node.tag = n; + node.string += 2; + return copy_node(&node); + } + } + fprintf(stderr, "Unknown type %c\n", node.string[0]); + exit(1); + } + return copy_node(&node); +} + +static void read_reference(FILE *f) +{ + while (!feof(f)) { + struct string_list *defn = NULL; + struct string_list *sym, *def; + int is_extern = 0, is_override = 0; + struct symbol *subsym; + + sym = read_node(f); + if (sym && sym->tag == SYM_NORMAL && + !strcmp(sym->string, "override")) { + is_override = 1; + free_node(sym); + sym = read_node(f); + } + if (!sym) + continue; + def = read_node(f); + if (def && def->tag == SYM_NORMAL && + !strcmp(def->string, "extern")) { + is_extern = 1; + free_node(def); + def = read_node(f); + } + while (def) { + def->next = defn; + defn = def; + def = read_node(f); + } + subsym = add_reference_symbol(xstrdup(sym->string), sym->tag, + defn, is_extern); + subsym->is_override = is_override; + free_node(sym); + } +} + static void print_node(FILE * f, struct string_list *list) { if (list->tag != SYM_NORMAL) { @@ -311,6 +470,7 @@ static unsigned long expand_and_crc_sym(struct symbol *sym, unsigned long crc) case SYM_TYPEDEF: subsym = find_symbol(cur->string, cur->tag); + /* FIXME: Bad reference files can segfault here. */ if (subsym->expansion_trail) { if (flag_dump_defs) fprintf(debugfile, "%s ", cur->string); @@ -347,9 +507,22 @@ static unsigned long expand_and_crc_sym(struct symbol *sym, unsigned long crc) t = n; n = xmalloc(sizeof(*n)); - n->string = xstrdup("{ UNKNOWN }"); + n->string = xstrdup("{"); + n->tag = SYM_NORMAL; + n->next = t; + t = n; + + n = xmalloc(sizeof(*n)); + n->string = xstrdup("UNKNOWN"); + n->tag = SYM_NORMAL; + n->next = t; + t = n; + + n = xmalloc(sizeof(*n)); + n->string = xstrdup("}"); n->tag = SYM_NORMAL; n->next = t; + t = n; subsym = add_symbol(cur->string, cur->tag, n, 0); @@ -397,37 +570,75 @@ void export_symbol(const char *name) error_with_pos("export undefined symbol %s", name); else { unsigned long crc; + int has_changed = 0; if (flag_dump_defs) fprintf(debugfile, "Export %s == <", name); expansion_trail = (struct symbol *)-1L; + sym->expansion_trail = expansion_trail; + expansion_trail = sym; crc = expand_and_crc_sym(sym, 0xffffffff) ^ 0xffffffff; sym = expansion_trail; while (sym != (struct symbol *)-1L) { struct symbol *n = sym->expansion_trail; + + if (sym->status != STATUS_UNCHANGED) { + if (!has_changed) { + print_location(); + fprintf(stderr, "%s: %s: modversion " + "changed because of changes " + "in ", flag_preserve ? "error" : + "warning", name); + } else + fprintf(stderr, ", "); + print_type_name(sym->type, sym->name); + if (sym->status == STATUS_DEFINED) + fprintf(stderr, " (became defined)"); + has_changed = 1; + if (flag_preserve) + errors++; + } sym->expansion_trail = 0; sym = n; } + if (has_changed) + fprintf(stderr, "\n"); if (flag_dump_defs) fputs(">\n", debugfile); - /* Used as a linker script. */ - printf("%s__crc_%s = 0x%08lx ;\n", mod_prefix, name, crc); + /* Used as assembly source or a linker script. */ + printf(flag_asm + ? ".equiv %s__crc_%s, %#08lx\n" + : "%s__crc_%s = %#08lx ;\n", + mod_prefix, name, crc); } } /*----------------------------------------------------------------------*/ + +static void print_location(void) +{ + fprintf(stderr, "%s:%d: ", cur_filename ? : "<stdin>", cur_line); +} + +static void print_type_name(enum symbol_type type, const char *name) +{ + if (type != SYM_NORMAL) + fprintf(stderr, "%s %s", symbol_type_name[type], name); + else + fprintf(stderr, "%s", name); +} + void error_with_pos(const char *fmt, ...) { va_list args; if (flag_warnings) { - fprintf(stderr, "%s:%d: ", cur_filename ? : "<stdin>", - cur_line); + print_location(); va_start(args, fmt); vfprintf(stderr, fmt, args); @@ -440,21 +651,27 @@ void error_with_pos(const char *fmt, ...) static void genksyms_usage(void) { - fputs("Usage:\n" "genksyms [-adDTwqhV] > /path/to/.tmp_obj.ver\n" "\n" + fputs("Usage:\n" "genksyms [-aAdDTwqhV] > /path/to/.tmp_obj.ver\n" "\n" #ifdef __GNU_LIBRARY__ " -a, --arch Select architecture\n" + " -A, --asm Generate assembly rather than linker script\n" " -d, --debug Increment the debug level (repeatable)\n" " -D, --dump Dump expanded symbol defs (for debugging only)\n" - " -T, --dump-types file Dump expanded types into file (for debugging only)\n" + " -r, --reference file Read reference symbols from a file\n" + " -T, --dump-types file Dump expanded types into file\n" + " -p, --preserve Preserve reference modversions or fail\n" " -w, --warnings Enable warnings\n" " -q, --quiet Disable warnings (default)\n" " -h, --help Print this message\n" " -V, --version Print the release version\n" #else /* __GNU_LIBRARY__ */ " -a Select architecture\n" + " -A Generate assembly rather than linker script\n" " -d Increment the debug level (repeatable)\n" " -D Dump expanded symbol defs (for debugging only)\n" - " -T file Dump expanded types into file (for debugging only)\n" + " -r file Read reference symbols from a file\n" + " -T file Dump expanded types into file\n" + " -p Preserve reference modversions or fail\n" " -w Enable warnings\n" " -q Disable warnings (default)\n" " -h Print this message\n" @@ -465,26 +682,29 @@ static void genksyms_usage(void) int main(int argc, char **argv) { - FILE *dumpfile = NULL; + FILE *dumpfile = NULL, *ref_file = NULL; int o; #ifdef __GNU_LIBRARY__ struct option long_opts[] = { {"arch", 1, 0, 'a'}, + {"asm", 0, 0, 'A'}, {"debug", 0, 0, 'd'}, {"warnings", 0, 0, 'w'}, {"quiet", 0, 0, 'q'}, {"dump", 0, 0, 'D'}, + {"reference", 1, 0, 'r'}, {"dump-types", 1, 0, 'T'}, + {"preserve", 0, 0, 'p'}, {"version", 0, 0, 'V'}, {"help", 0, 0, 'h'}, {0, 0, 0, 0} }; - while ((o = getopt_long(argc, argv, "a:dwqVDT:h", + while ((o = getopt_long(argc, argv, "a:dwqVADr:T:ph", &long_opts[0], NULL)) != EOF) #else /* __GNU_LIBRARY__ */ - while ((o = getopt(argc, argv, "a:dwqVDT:h")) != EOF) + while ((o = getopt(argc, argv, "a:dwqVADr:T:ph")) != EOF) #endif /* __GNU_LIBRARY__ */ switch (o) { case 'a': @@ -502,9 +722,20 @@ int main(int argc, char **argv) case 'V': fputs("genksyms version 2.5.60\n", stderr); break; + case 'A': + flag_asm = 1; + break; case 'D': flag_dump_defs = 1; break; + case 'r': + flag_reference = 1; + ref_file = fopen(optarg, "r"); + if (!ref_file) { + perror(optarg); + return 1; + } + break; case 'T': flag_dump_types = 1; dumpfile = fopen(optarg, "w"); @@ -513,6 +744,9 @@ int main(int argc, char **argv) return 1; } break; + case 'p': + flag_preserve = 1; + break; case 'h': genksyms_usage(); return 0; @@ -533,12 +767,17 @@ int main(int argc, char **argv) /* setlinebuf(debugfile); */ } + if (flag_reference) + read_reference(ref_file); + yyparse(); if (flag_dump_types && visited_symbols) { while (visited_symbols != (struct symbol *)-1L) { struct symbol *sym = visited_symbols; + if (sym->is_override) + fputs("override ", dumpfile); if (sym->type != SYM_NORMAL) { putc(symbol_type_name[sym->type][0], dumpfile); putc('#', dumpfile); diff --git a/scripts/genksyms/genksyms.h b/scripts/genksyms/genksyms.h index 2668287aa49..25c4d40cefc 100644 --- a/scripts/genksyms/genksyms.h +++ b/scripts/genksyms/genksyms.h @@ -29,6 +29,10 @@ enum symbol_type { SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION }; +enum symbol_status { + STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED +}; + struct string_list { struct string_list *next; enum symbol_type tag; @@ -43,6 +47,9 @@ struct symbol { struct symbol *expansion_trail; struct symbol *visited; int is_extern; + int is_declared; + enum symbol_status status; + int is_override; }; typedef struct string_list **yystype; diff --git a/scripts/genksyms/keywords.c_shipped b/scripts/genksyms/keywords.c_shipped index 971e0113ae7..83484fe93ed 100644 --- a/scripts/genksyms/keywords.c_shipped +++ b/scripts/genksyms/keywords.c_shipped @@ -1,4 +1,4 @@ -/* ANSI-C code produced by gperf version 3.0.2 */ +/* ANSI-C code produced by gperf version 3.0.1 */ /* Command-line: gperf -L ANSI-C -a -C -E -g -H is_reserved_hash -k '1,3,$' -N is_reserved_word -p -t scripts/genksyms/keywords.gperf */ #if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \ @@ -32,7 +32,7 @@ #line 3 "scripts/genksyms/keywords.gperf" struct resword { const char *name; int token; }; -/* maximum key range = 62, duplicates = 0 */ +/* maximum key range = 64, duplicates = 0 */ #ifdef __GNUC__ __inline @@ -46,32 +46,32 @@ is_reserved_hash (register const char *str, register unsigned int len) { static const unsigned char asso_values[] = { - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 5, - 65, 65, 65, 65, 65, 65, 35, 65, 65, 65, - 0, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 0, 65, 0, 65, 5, - 20, 15, 10, 30, 65, 15, 65, 65, 20, 0, - 10, 35, 20, 65, 10, 5, 0, 10, 5, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 65, 65, 65, 65 + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 0, + 67, 67, 67, 67, 67, 67, 15, 67, 67, 67, + 0, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 0, 67, 0, 67, 5, + 25, 20, 15, 30, 67, 15, 67, 67, 10, 0, + 10, 40, 20, 67, 10, 5, 0, 10, 15, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, + 67, 67, 67, 67, 67, 67 }; return len + asso_values[(unsigned char)str[2]] + asso_values[(unsigned char)str[0]] + asso_values[(unsigned char)str[len - 1]]; } @@ -84,116 +84,119 @@ is_reserved_word (register const char *str, register unsigned int len) { enum { - TOTAL_KEYWORDS = 43, + TOTAL_KEYWORDS = 45, MIN_WORD_LENGTH = 3, MAX_WORD_LENGTH = 24, MIN_HASH_VALUE = 3, - MAX_HASH_VALUE = 64 + MAX_HASH_VALUE = 66 }; static const struct resword wordlist[] = { {""}, {""}, {""}, -#line 26 "scripts/genksyms/keywords.gperf" +#line 28 "scripts/genksyms/keywords.gperf" {"asm", ASM_KEYW}, {""}, -#line 8 "scripts/genksyms/keywords.gperf" +#line 10 "scripts/genksyms/keywords.gperf" {"__asm", ASM_KEYW}, {""}, -#line 9 "scripts/genksyms/keywords.gperf" +#line 11 "scripts/genksyms/keywords.gperf" {"__asm__", ASM_KEYW}, {""}, {""}, -#line 52 "scripts/genksyms/keywords.gperf" +#line 54 "scripts/genksyms/keywords.gperf" {"__typeof__", TYPEOF_KEYW}, {""}, -#line 12 "scripts/genksyms/keywords.gperf" +#line 14 "scripts/genksyms/keywords.gperf" {"__const", CONST_KEYW}, -#line 11 "scripts/genksyms/keywords.gperf" - {"__attribute__", ATTRIBUTE_KEYW}, #line 13 "scripts/genksyms/keywords.gperf" + {"__attribute__", ATTRIBUTE_KEYW}, +#line 15 "scripts/genksyms/keywords.gperf" {"__const__", CONST_KEYW}, -#line 18 "scripts/genksyms/keywords.gperf" +#line 20 "scripts/genksyms/keywords.gperf" {"__signed__", SIGNED_KEYW}, -#line 44 "scripts/genksyms/keywords.gperf" +#line 46 "scripts/genksyms/keywords.gperf" {"static", STATIC_KEYW}, -#line 20 "scripts/genksyms/keywords.gperf" - {"__volatile__", VOLATILE_KEYW}, -#line 39 "scripts/genksyms/keywords.gperf" + {""}, +#line 41 "scripts/genksyms/keywords.gperf" {"int", INT_KEYW}, -#line 32 "scripts/genksyms/keywords.gperf" +#line 34 "scripts/genksyms/keywords.gperf" {"char", CHAR_KEYW}, -#line 33 "scripts/genksyms/keywords.gperf" +#line 35 "scripts/genksyms/keywords.gperf" {"const", CONST_KEYW}, -#line 45 "scripts/genksyms/keywords.gperf" +#line 47 "scripts/genksyms/keywords.gperf" {"struct", STRUCT_KEYW}, -#line 24 "scripts/genksyms/keywords.gperf" +#line 26 "scripts/genksyms/keywords.gperf" {"__restrict__", RESTRICT_KEYW}, -#line 25 "scripts/genksyms/keywords.gperf" +#line 27 "scripts/genksyms/keywords.gperf" {"restrict", RESTRICT_KEYW}, -#line 23 "scripts/genksyms/keywords.gperf" - {"_restrict", RESTRICT_KEYW}, -#line 16 "scripts/genksyms/keywords.gperf" +#line 7 "scripts/genksyms/keywords.gperf" + {"EXPORT_SYMBOL_GPL_FUTURE", EXPORT_SYMBOL_KEYW}, +#line 18 "scripts/genksyms/keywords.gperf" {"__inline__", INLINE_KEYW}, -#line 10 "scripts/genksyms/keywords.gperf" - {"__attribute", ATTRIBUTE_KEYW}, {""}, -#line 14 "scripts/genksyms/keywords.gperf" +#line 22 "scripts/genksyms/keywords.gperf" + {"__volatile__", VOLATILE_KEYW}, +#line 5 "scripts/genksyms/keywords.gperf" + {"EXPORT_SYMBOL", EXPORT_SYMBOL_KEYW}, +#line 25 "scripts/genksyms/keywords.gperf" + {"_restrict", RESTRICT_KEYW}, + {""}, +#line 12 "scripts/genksyms/keywords.gperf" + {"__attribute", ATTRIBUTE_KEYW}, +#line 6 "scripts/genksyms/keywords.gperf" + {"EXPORT_SYMBOL_GPL", EXPORT_SYMBOL_KEYW}, +#line 16 "scripts/genksyms/keywords.gperf" {"__extension__", EXTENSION_KEYW}, -#line 35 "scripts/genksyms/keywords.gperf" +#line 37 "scripts/genksyms/keywords.gperf" {"enum", ENUM_KEYW}, -#line 19 "scripts/genksyms/keywords.gperf" - {"__volatile", VOLATILE_KEYW}, -#line 36 "scripts/genksyms/keywords.gperf" +#line 8 "scripts/genksyms/keywords.gperf" + {"EXPORT_UNUSED_SYMBOL", EXPORT_SYMBOL_KEYW}, +#line 38 "scripts/genksyms/keywords.gperf" {"extern", EXTERN_KEYW}, {""}, -#line 17 "scripts/genksyms/keywords.gperf" +#line 19 "scripts/genksyms/keywords.gperf" {"__signed", SIGNED_KEYW}, -#line 7 "scripts/genksyms/keywords.gperf" - {"EXPORT_SYMBOL_GPL_FUTURE", EXPORT_SYMBOL_KEYW}, - {""}, -#line 51 "scripts/genksyms/keywords.gperf" +#line 9 "scripts/genksyms/keywords.gperf" + {"EXPORT_UNUSED_SYMBOL_GPL", EXPORT_SYMBOL_KEYW}, +#line 49 "scripts/genksyms/keywords.gperf" + {"union", UNION_KEYW}, +#line 53 "scripts/genksyms/keywords.gperf" {"typeof", TYPEOF_KEYW}, -#line 46 "scripts/genksyms/keywords.gperf" +#line 48 "scripts/genksyms/keywords.gperf" {"typedef", TYPEDEF_KEYW}, -#line 15 "scripts/genksyms/keywords.gperf" +#line 17 "scripts/genksyms/keywords.gperf" {"__inline", INLINE_KEYW}, -#line 31 "scripts/genksyms/keywords.gperf" +#line 33 "scripts/genksyms/keywords.gperf" {"auto", AUTO_KEYW}, -#line 47 "scripts/genksyms/keywords.gperf" - {"union", UNION_KEYW}, - {""}, {""}, -#line 48 "scripts/genksyms/keywords.gperf" - {"unsigned", UNSIGNED_KEYW}, -#line 49 "scripts/genksyms/keywords.gperf" - {"void", VOID_KEYW}, -#line 42 "scripts/genksyms/keywords.gperf" - {"short", SHORT_KEYW}, +#line 21 "scripts/genksyms/keywords.gperf" + {"__volatile", VOLATILE_KEYW}, {""}, {""}, #line 50 "scripts/genksyms/keywords.gperf" - {"volatile", VOLATILE_KEYW}, - {""}, -#line 37 "scripts/genksyms/keywords.gperf" - {"float", FLOAT_KEYW}, -#line 34 "scripts/genksyms/keywords.gperf" - {"double", DOUBLE_KEYW}, + {"unsigned", UNSIGNED_KEYW}, {""}, -#line 5 "scripts/genksyms/keywords.gperf" - {"EXPORT_SYMBOL", EXPORT_SYMBOL_KEYW}, - {""}, {""}, -#line 38 "scripts/genksyms/keywords.gperf" +#line 44 "scripts/genksyms/keywords.gperf" + {"short", SHORT_KEYW}, +#line 40 "scripts/genksyms/keywords.gperf" {"inline", INLINE_KEYW}, -#line 6 "scripts/genksyms/keywords.gperf" - {"EXPORT_SYMBOL_GPL", EXPORT_SYMBOL_KEYW}, -#line 41 "scripts/genksyms/keywords.gperf" - {"register", REGISTER_KEYW}, {""}, -#line 22 "scripts/genksyms/keywords.gperf" +#line 52 "scripts/genksyms/keywords.gperf" + {"volatile", VOLATILE_KEYW}, +#line 42 "scripts/genksyms/keywords.gperf" + {"long", LONG_KEYW}, +#line 24 "scripts/genksyms/keywords.gperf" {"_Bool", BOOL_KEYW}, -#line 43 "scripts/genksyms/keywords.gperf" - {"signed", SIGNED_KEYW}, {""}, {""}, -#line 40 "scripts/genksyms/keywords.gperf" - {"long", LONG_KEYW} +#line 43 "scripts/genksyms/keywords.gperf" + {"register", REGISTER_KEYW}, +#line 51 "scripts/genksyms/keywords.gperf" + {"void", VOID_KEYW}, +#line 39 "scripts/genksyms/keywords.gperf" + {"float", FLOAT_KEYW}, +#line 36 "scripts/genksyms/keywords.gperf" + {"double", DOUBLE_KEYW}, + {""}, {""}, {""}, {""}, +#line 45 "scripts/genksyms/keywords.gperf" + {"signed", SIGNED_KEYW} }; if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH) diff --git a/scripts/genksyms/keywords.gperf b/scripts/genksyms/keywords.gperf index 5ef3733225f..8abe7ab8d88 100644 --- a/scripts/genksyms/keywords.gperf +++ b/scripts/genksyms/keywords.gperf @@ -5,6 +5,8 @@ struct resword { const char *name; int token; } EXPORT_SYMBOL, EXPORT_SYMBOL_KEYW EXPORT_SYMBOL_GPL, EXPORT_SYMBOL_KEYW EXPORT_SYMBOL_GPL_FUTURE, EXPORT_SYMBOL_KEYW +EXPORT_UNUSED_SYMBOL, EXPORT_SYMBOL_KEYW +EXPORT_UNUSED_SYMBOL_GPL, EXPORT_SYMBOL_KEYW __asm, ASM_KEYW __asm__, ASM_KEYW __attribute, ATTRIBUTE_KEYW diff --git a/scripts/headerdep.pl b/scripts/headerdep.pl new file mode 100755 index 00000000000..97399da89ef --- /dev/null +++ b/scripts/headerdep.pl @@ -0,0 +1,193 @@ +#! /usr/bin/perl +# +# Detect cycles in the header file dependency graph +# Vegard Nossum <vegardno@ifi.uio.no> +# + +use strict; +use warnings; + +use Getopt::Long; + +my $opt_all; +my @opt_include; +my $opt_graph; + +&Getopt::Long::Configure(qw(bundling pass_through)); +&GetOptions( + help => \&help, + version => \&version, + + all => \$opt_all, + I => \@opt_include, + graph => \$opt_graph, +); + +push @opt_include, 'include'; +my %deps = (); +my %linenos = (); + +my @headers = grep { strip($_) } @ARGV; + +parse_all(@headers); + +if($opt_graph) { + graph(); +} else { + detect_cycles(@headers); +} + + +sub help { + print "Usage: $0 [options] file...\n"; + print "\n"; + print "Options:\n"; + print " --all\n"; + print " --graph\n"; + print "\n"; + print " -I includedir\n"; + print "\n"; + print "To make nice graphs, try:\n"; + print " $0 --graph include/linux/kernel.h | dot -Tpng -o graph.png\n"; + exit; +} + +sub version { + print "headerdep version 2\n"; + exit; +} + +# Get a file name that is relative to our include paths +sub strip { + my $filename = shift; + + for my $i (@opt_include) { + my $stripped = $filename; + $stripped =~ s/^$i\///; + + return $stripped if $stripped ne $filename; + } + + return $filename; +} + +# Search for the file name in the list of include paths +sub search { + my $filename = shift; + return $filename if -f $filename; + + for my $i (@opt_include) { + my $path = "$i/$filename"; + return $path if -f $path; + } + + return undef; +} + +sub parse_all { + # Parse all the headers. + my @queue = @_; + while(@queue) { + my $header = pop @queue; + next if exists $deps{$header}; + + $deps{$header} = [] unless exists $deps{$header}; + + my $path = search($header); + next unless $path; + + open(my $file, '<', $path) or die($!); + chomp(my @lines = <$file>); + close($file); + + for my $i (0 .. $#lines) { + my $line = $lines[$i]; + if(my($dep) = ($line =~ m/^#\s*include\s*<(.*?)>/)) { + push @queue, $dep; + push @{$deps{$header}}, [$i + 1, $dep]; + } + } + } +} + +sub print_cycle { + # $cycle[n] includes $cycle[n + 1]; + # $cycle[-1] will be the culprit + my $cycle = shift; + + # Adjust the line numbers + for my $i (0 .. $#$cycle - 1) { + $cycle->[$i]->[0] = $cycle->[$i + 1]->[0]; + } + $cycle->[-1]->[0] = 0; + + my $first = shift @$cycle; + my $last = pop @$cycle; + + my $msg = "In file included"; + printf "%s from %s,\n", $msg, $last->[1] if defined $last; + + for my $header (reverse @$cycle) { + printf "%s from %s:%d%s\n", + " " x length $msg, + $header->[1], $header->[0], + $header->[1] eq $last->[1] ? ' <-- here' : ''; + } + + printf "%s:%d: warning: recursive header inclusion\n", + $first->[1], $first->[0]; +} + +# Find and print the smallest cycle starting in the specified node. +sub detect_cycles { + my @queue = map { [[0, $_]] } @_; + while(@queue) { + my $top = pop @queue; + my $name = $top->[-1]->[1]; + + for my $dep (@{$deps{$name}}) { + my $chain = [@$top, [$dep->[0], $dep->[1]]]; + + # If the dep already exists in the chain, we have a + # cycle... + if(grep { $_->[1] eq $dep->[1] } @$top) { + print_cycle($chain); + next if $opt_all; + return; + } + + push @queue, $chain; + } + } +} + +sub mangle { + $_ = shift; + s/\//__/g; + s/\./_/g; + s/-/_/g; + $_; +} + +# Output dependency graph in GraphViz language. +sub graph { + print "digraph {\n"; + + print "\t/* vertices */\n"; + for my $header (keys %deps) { + printf "\t%s [label=\"%s\"];\n", + mangle($header), $header; + } + + print "\n"; + + print "\t/* edges */\n"; + for my $header (keys %deps) { + for my $dep (@{$deps{$header}}) { + printf "\t%s -> %s;\n", + mangle($header), mangle($dep->[1]); + } + } + + print "}\n"; +} diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index ad2434b2697..92758120a76 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -130,18 +130,9 @@ static int read_symbol(FILE *in, struct sym_entry *s) static int symbol_valid(struct sym_entry *s) { /* Symbols which vary between passes. Passes 1 and 2 must have - * identical symbol lists. The kallsyms_* symbols below are only added - * after pass 1, they would be included in pass 2 when --all-symbols is - * specified so exclude them to get a stable symbol list. + * identical symbol lists. */ static char *special_symbols[] = { - "kallsyms_addresses", - "kallsyms_num_syms", - "kallsyms_names", - "kallsyms_markers", - "kallsyms_token_table", - "kallsyms_token_index", - /* Exclude linker generated symbols which vary between passes */ "_SDA_BASE_", /* ppc */ "_SDA2_BASE_", /* ppc */ @@ -173,7 +164,9 @@ static int symbol_valid(struct sym_entry *s) } /* Exclude symbols which vary between passes. */ - if (strstr((char *)s->sym + offset, "_compiled.")) + if (strstr((char *)s->sym + offset, "_compiled.") || + strncmp((char*)s->sym + offset, "__compound_literal.", 19) == 0 || + strncmp((char*)s->sym + offset, "__compound_literal$", 19) == 0) return 0; for (i = 0; special_symbols[i]; i++) @@ -550,8 +543,10 @@ int main(int argc, char **argv) usage(); read_map(stdin); - sort_symbols(); - optimize_token_table(); + if (table_cnt) { + sort_symbols(); + optimize_token_table(); + } write_src(); return 0; diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh index 5552154cbed..fcef0f59d55 100644 --- a/scripts/kconfig/lxdialog/check-lxdialog.sh +++ b/scripts/kconfig/lxdialog/check-lxdialog.sh @@ -52,7 +52,7 @@ EOF } usage() { - printf "Usage: $0 [-check compiler options|-header|-library]\n" + printf "Usage: $0 [-check compiler options|-ccflags|-ldflags compiler options]\n" } if [ $# -eq 0 ]; then diff --git a/scripts/kernel-doc b/scripts/kernel-doc index d27aad78e1d..8bb83a100ed 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -289,6 +289,8 @@ my %parameterdescs; my @parameterlist; my %sections; my @sectionlist; +my $sectcheck; +my $struct_actual; my $contents = ""; my $section_default = "Description"; # default section @@ -378,10 +380,12 @@ sub dump_section { # print STDERR "parameter def '$1' = '$contents'\n"; $name = $1; $parameterdescs{$name} = $contents; + $sectcheck = $sectcheck . $name . " "; } elsif ($name eq "@\.\.\.") { # print STDERR "parameter def '...' = '$contents'\n"; $name = "..."; $parameterdescs{$name} = $contents; + $sectcheck = $sectcheck . $name . " "; } else { # print STDERR "other section '$name' = '$contents'\n"; if (defined($sections{$name}) && ($sections{$name} ne "")) { @@ -1405,21 +1409,25 @@ sub dump_union($$) { sub dump_struct($$) { my $x = shift; my $file = shift; + my $nested; if ($x =~/(struct|union)\s+(\w+)\s*{(.*)}/) { $declaration_name = $2; my $members = $3; # ignore embedded structs or unions - $members =~ s/{.*}//g; + $members =~ s/({.*})//g; + $nested = $1; # ignore members marked private: $members =~ s/\/\*.*?private:.*?public:.*?\*\///gos; $members =~ s/\/\*.*?private:.*//gos; # strip comments: $members =~ s/\/\*.*?\*\///gos; + $nested =~ s/\/\*.*?\*\///gos; create_parameterlist($members, ';', $file); + check_sections($file, $declaration_name, "struct", $sectcheck, $struct_actual, $nested); output_declaration($declaration_name, 'struct', @@ -1505,6 +1513,14 @@ sub dump_typedef($$) { } } +sub save_struct_actual($) { + my $actual = shift; + + # strip all spaces from the actual param so that it looks like one string item + $actual =~ s/\s*//g; + $struct_actual = $struct_actual . $actual . " "; +} + sub create_parameterlist($$$) { my $args = shift; my $splitter = shift; @@ -1537,6 +1553,7 @@ sub create_parameterlist($$$) { $param = $1; $type = $arg; $type =~ s/([^\(]+\(\*?)\s*$param/$1/; + save_struct_actual($param); push_parameter($param, $type, $file); } elsif ($arg) { $arg =~ s/\s*:\s*/:/g; @@ -1561,14 +1578,17 @@ sub create_parameterlist($$$) { foreach $param (@args) { if ($param =~ m/^(\*+)\s*(.*)/) { + save_struct_actual($2); push_parameter($2, "$type $1", $file); } elsif ($param =~ m/(.*?):(\d+)/) { if ($type ne "") { # skip unnamed bit-fields + save_struct_actual($1); push_parameter($1, "$type:$2", $file) } } else { + save_struct_actual($param); push_parameter($param, $type, $file); } } @@ -1634,6 +1654,46 @@ sub push_parameter($$$) { $parametertypes{$param} = $type; } +sub check_sections($$$$$$) { + my ($file, $decl_name, $decl_type, $sectcheck, $prmscheck, $nested) = @_; + my @sects = split ' ', $sectcheck; + my @prms = split ' ', $prmscheck; + my $err; + my ($px, $sx); + my $prm_clean; # strip trailing "[array size]" and/or beginning "*" + + foreach $sx (0 .. $#sects) { + $err = 1; + foreach $px (0 .. $#prms) { + $prm_clean = $prms[$px]; + $prm_clean =~ s/\[.*\]//; + $prm_clean =~ s/__attribute__\s*\(\([a-z,_\*\s\(\)]*\)\)//; + ##$prm_clean =~ s/^\**//; + if ($prm_clean eq $sects[$sx]) { + $err = 0; + last; + } + } + if ($err) { + if ($decl_type eq "function") { + print STDERR "Warning(${file}:$.): " . + "Excess function parameter " . + "'$sects[$sx]' " . + "description in '$decl_name'\n"; + ++$warnings; + } else { + if ($nested !~ m/\Q$sects[$sx]\E/) { + print STDERR "Warning(${file}:$.): " . + "Excess struct/union/enum/typedef member " . + "'$sects[$sx]' " . + "description in '$decl_name'\n"; + ++$warnings; + } + } + } + } +} + ## # takes a function prototype and the name of the current file being # processed and spits out all the details stored in the global @@ -1699,6 +1759,9 @@ sub dump_function($$) { return; } + my $prms = join " ", @parameterlist; + check_sections($file, $declaration_name, "function", $sectcheck, $prms, ""); + output_declaration($declaration_name, 'function', {'function' => $declaration_name, @@ -1757,6 +1820,8 @@ sub reset_state { @parameterlist = (); %sections = (); @sectionlist = (); + $sectcheck = ""; + $struct_actual = ""; $prototype = ""; $state = 0; diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h index a8740df07b0..6a12dd9f118 100755 --- a/scripts/mkcompile_h +++ b/scripts/mkcompile_h @@ -4,6 +4,8 @@ SMP=$3 PREEMPT=$4 CC=$5 +vecho() { [ "${quiet}" = "silent_" ] || echo "$@" ; } + # If compile.h exists already and we don't own autoconf.h # (i.e. we're not the same user who did make *config), don't # modify compile.h @@ -11,7 +13,7 @@ CC=$5 # do "compiled by root" if [ -r $TARGET -a ! -O include/linux/autoconf.h ]; then - echo " SKIPPED $TARGET" + vecho " SKIPPED $TARGET" exit 0 fi @@ -89,7 +91,7 @@ if [ -r $TARGET ] && \ cmp -s .tmpver.1 .tmpver.2; then rm -f .tmpcompile else - echo " UPD $TARGET" + vecho " UPD $TARGET" mv -f .tmpcompile $TARGET fi rm -f .tmpver.1 .tmpver.2 diff --git a/scripts/mkmakefile b/scripts/mkmakefile index e65d8b33faa..67d59c7a18d 100644 --- a/scripts/mkmakefile +++ b/scripts/mkmakefile @@ -17,7 +17,9 @@ if test -e $2/Makefile && ! grep -q Automatically $2/Makefile then exit 0 fi -echo " GEN $2/Makefile" +if [ "${quiet}" != "silent_" ]; then + echo " GEN $2/Makefile" +fi cat << EOF > $2/Makefile # Automatically generated by $0: don't edit diff --git a/scripts/mksysmap b/scripts/mksysmap index 6e133a0bae7..1db316a3712 100644 --- a/scripts/mksysmap +++ b/scripts/mksysmap @@ -37,9 +37,6 @@ # readprofile starts reading symbols when _stext is found, and # continue until it finds a symbol which is not either of 'T', 't', -# 'W' or 'w'. __crc_ are 'A' and placed in the middle -# so we just ignore them to let readprofile continue to work. -# (At least sparc64 has __crc_ in the middle). - -$NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)' > $2 +# 'W' or 'w'. +$NM -n $1 | grep -v '\( [aNUw] \)\|\( \$[adt]\)' > $2 diff --git a/scripts/package/Makefile b/scripts/package/Makefile index 5e326078a4a..8c6b7b09606 100644 --- a/scripts/package/Makefile +++ b/scripts/package/Makefile @@ -1,10 +1,6 @@ # Makefile for the different targets used to generate full packages of a kernel # It uses the generic clean infrastructure of kbuild -# Ignore the following files/directories during tar operation -TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn --exclude CVS - - # RPM target # --------------------------------------------------------------------------- # The rpm target generates two rpm files: @@ -47,7 +43,7 @@ rpm-pkg rpm: $(objtree)/kernel.spec FORCE set -e; \ mv -f $(objtree)/.tmp_version $(objtree)/.version - $(RPM) --target $(UTS_MACHINE) -ta ../$(KERNELPATH).tar.gz + $(RPM) $(RPMOPTS) --target $(UTS_MACHINE) -ta ../$(KERNELPATH).tar.gz rm ../$(KERNELPATH).tar.gz clean-files := $(objtree)/kernel.spec @@ -64,7 +60,8 @@ binrpm-pkg: $(objtree)/binkernel.spec FORCE set -e; \ mv -f $(objtree)/.tmp_version $(objtree)/.version - $(RPM) --define "_builddir $(srctree)" --target $(UTS_MACHINE) -bb $< + $(RPM) $(RPMOPTS) --define "_builddir $(srctree)" --target \ + $(UTS_MACHINE) -bb $< clean-files += $(objtree)/binkernel.spec diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 6b9fe3eb836..fe831412bea 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -112,6 +112,9 @@ my ($arch, $bits, $objdump, $objcopy, $cc, # Acceptable sections to record. my %text_sections = ( ".text" => 1, + ".sched.text" => 1, + ".spinlock.text" => 1, + ".irqentry.text" => 1, ); $objdump = "objdump" if ((length $objdump) == 0); @@ -130,10 +133,13 @@ my %weak; # List of weak functions my %convert; # List of local functions used that needs conversion my $type; +my $nm_regex; # Find the local functions (return function) my $section_regex; # Find the start of a section my $function_regex; # Find the name of a function # (return offset and func name) my $mcount_regex; # Find the call site to mcount (return offset) +my $alignment; # The .align value to use for $mcount_section +my $section_type; # Section header plus possible alignment command if ($arch eq "x86") { if ($bits == 64) { @@ -143,11 +149,21 @@ if ($arch eq "x86") { } } +# +# We base the defaults off of i386, the other archs may +# feel free to change them in the below if statements. +# +$nm_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\S+)"; +$section_regex = "Disassembly of section\\s+(\\S+):"; +$function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:"; +$mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$"; +$section_type = '@progbits'; +$type = ".long"; + if ($arch eq "x86_64") { - $section_regex = "Disassembly of section\\s+(\\S+):"; - $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:"; $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount([+-]0x[0-9a-zA-Z]+)?\$"; $type = ".quad"; + $alignment = 8; # force flags for this arch $ld .= " -m elf_x86_64"; @@ -156,10 +172,7 @@ if ($arch eq "x86_64") { $cc .= " -m64"; } elsif ($arch eq "i386") { - $section_regex = "Disassembly of section\\s+(\\S+):"; - $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:"; - $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$"; - $type = ".long"; + $alignment = 4; # force flags for this arch $ld .= " -m elf_i386"; @@ -167,6 +180,27 @@ if ($arch eq "x86_64") { $objcopy .= " -O elf32-i386"; $cc .= " -m32"; +} elsif ($arch eq "sh") { + $alignment = 2; + + # force flags for this arch + $ld .= " -m shlelf_linux"; + $objcopy .= " -O elf32-sh-linux"; + $cc .= " -m32"; + +} elsif ($arch eq "powerpc") { + $nm_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\.?\\S+)"; + $function_regex = "^([0-9a-fA-F]+)\\s+<(\\.?.*?)>:"; + $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s\\.?_mcount\$"; + + if ($bits == 64) { + $type = ".quad"; + } + +} elsif ($arch eq "arm") { + $alignment = 2; + $section_type = '%progbits'; + } else { die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD"; } @@ -236,7 +270,7 @@ if (!$found_version) { # open (IN, "$nm $inputfile|") || die "error running $nm"; while (<IN>) { - if (/^[0-9a-fA-F]+\s+t\s+(\S+)/) { + if (/$nm_regex/) { $locals{$1} = 1; } elsif (/^[0-9a-fA-F]+\s+([wW])\s+(\S+)/) { $weak{$2} = $1; @@ -287,7 +321,8 @@ sub update_funcs if (!$opened) { open(FILE, ">$mcount_s") || die "can't create $mcount_s\n"; $opened = 1; - print FILE "\t.section $mcount_section,\"a\",\@progbits\n"; + print FILE "\t.section $mcount_section,\"a\",$section_type\n"; + print FILE "\t.align $alignment\n" if (defined($alignment)); } printf FILE "\t%s %s + %d\n", $type, $ref_func, $offsets[$i] - $offset; } diff --git a/scripts/setlocalversion b/scripts/setlocalversion index 72d233528ad..f6946cf99ce 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -19,6 +19,11 @@ if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then fi fi + # Is this git on svn? + if git config --get svn-remote.svn.url >/dev/null; then + printf -- '-svn%s' "`git-svn find-rev $head`" + fi + # Are there uncommitted changes? git update-index --refresh --unmerged > /dev/null if git diff-index --name-only HEAD | grep -v "^scripts/package" \ @@ -51,7 +56,7 @@ if hgid=`hg id 2>/dev/null`; then fi # Check for svn and a svn repo. -if rev=`svn info 2>/dev/null | grep '^Revision'`; then +if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then rev=`echo $rev | awk '{print $NF}'` changes=`svn status 2>/dev/null | grep '^[AMD]' | wc -l` diff --git a/scripts/strip-symbols b/scripts/strip-symbols new file mode 100644 index 00000000000..29ee8c1a014 --- /dev/null +++ b/scripts/strip-symbols @@ -0,0 +1,22 @@ +<*> +*.h +__compound_literal[$.][0-9]* +__crc_[a-zA-Z_]* +__exitcall_[a-zA-Z_]* +__func__[$.][0-9]* +__FUNCTION__[$.][0-9]* +gcc[0-9]_compiled[$.] +__initcall_[a-zA-Z_]* +__kcrctab_[a-zA-Z_]* +__kstrtab_[a-zA-Z_]* +__ksymtab_[a-zA-Z_]* +__mod_[a-zA-Z_]*[0-9] +__module_depends +__param_[a-zA-Z_]* +__pci_fixup_*PCI_ANY_IDPCI_ANY_ID* +__pci_fixup_*PCI_ANY_IDPCI_DEVICE_ID_* +__pci_fixup_*PCI_VENDOR_ID_*PCI_ANY_ID* +__pci_fixup_*PCI_VENDOR_ID_*PCI_DEVICE_ID_* +__PRETTY_FUNCTION__[$.][0-9]* +__setup_[a-zA-Z_]* +____versions diff --git a/scripts/tags.sh b/scripts/tags.sh new file mode 100755 index 00000000000..4e754720985 --- /dev/null +++ b/scripts/tags.sh @@ -0,0 +1,160 @@ +#!/bin/sh +# Generate tags or cscope files +# Usage tags.sh <mode> +# +# mode may be any of: tags, TAGS, cscope +# +# Uses the following environment variables: +# ARCH, SUBARCH, srctree, src, obj + +if [ "$KBUILD_VERBOSE" = "1" ]; then + set -x +fi + +# This is a duplicate of RCS_FIND_IGNORE without escaped '()' +ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \ + -name CVS -o -name .pc -o -name .hg -o \ + -name .git ) \ + -prune -o" + +# Do not use full path is we do not use O=.. builds +if [ "${KBUILD_SRC}" = "" ]; then + tree= +else + tree=${srctree}/ +fi + +# find sources in arch/$ARCH +find_arch_sources() +{ + find ${tree}arch/$1 $ignore -name "$2" -print; +} + +# find sources in arch/$1/include +find_arch_include_sources() +{ + find ${tree}arch/$1/include $ignore -name "$2" -print; +} + +# find sources in include/ +find_include_sources() +{ + find ${tree}include $ignore -name config -prune -o -name "$1" -print; +} + +# find sources in rest of tree +# we could benefit from a list of dirs to search in here +find_other_sources() +{ + find ${tree}* $ignore \ + \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \ + -name "$1" -print; +} + +find_sources() +{ + find_arch_sources $1 "$2" + find_include_sources "$2" + find_other_sources "$2" +} + +all_sources() +{ + find_sources $SRCARCH '*.[chS]' + if [ ! -z "$archinclude" ]; then + find_arch_include_sources $archinclude '*.[chS]' + fi +} + +all_kconfigs() +{ + find_sources $SRCARCH 'Kconfig*' +} + +all_defconfigs() +{ + find_sources $SRCARCH "defconfig" +} + +docscope() +{ + (echo \-k; echo \-q; all_sources) > cscope.files + cscope -b -f cscope.out +} + +exuberant() +{ + all_sources > all + all_sources | xargs $1 -a \ + -I __initdata,__exitdata,__acquires,__releases \ + -I __read_mostly,____cacheline_aligned \ + -I ____cacheline_aligned_in_smp \ + -I ____cacheline_internodealigned_in_smp \ + -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \ + --extra=+f --c-kinds=+px \ + --regex-asm='/^ENTRY\(([^)]*)\).*/\1/' + + all_kconfigs | xargs $1 -a \ + --langdef=kconfig --language-force=kconfig \ + --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/' + + all_kconfigs | xargs $1 -a \ + --langdef=kconfig --language-force=kconfig \ + --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/' + + all_defconfigs | xargs -r $1 -a \ + --langdef=dotconfig --language-force=dotconfig \ + --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/' + +} + +emacs() +{ + all_sources | xargs $1 -a + + all_kconfigs | xargs $1 -a \ + --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/' + + all_kconfigs | xargs $1 -a \ + --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/' + + all_defconfigs | xargs -r $1 -a \ + --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/' +} + +xtags() +{ + if $1 --version 2>&1 | grep -iq exuberant; then + exuberant $1 + elif $1 --version 2>&1 | grep -iq emacs; then + emacs $1 + else + all_sources | xargs $1 -a + fi +} + + +# Support um (which uses SUBARCH) +if [ "${ARCH}" = "um" ]; then + if [ "$SUBARCH" = "i386" ]; then + archinclude=x86 + elif [ "$SUBARCH" = "x86_64" ]; then + archinclude=x86 + else + archinclude=${SUBARCH} + fi +fi + +case "$1" in + "cscope") + docscope + ;; + + "tags") + xtags ctags + ;; + + "TAGS") + xtags etags + ;; +esac diff --git a/scripts/trace/power.pl b/scripts/trace/power.pl new file mode 100644 index 00000000000..4f729b3501e --- /dev/null +++ b/scripts/trace/power.pl @@ -0,0 +1,108 @@ +#!/usr/bin/perl + +# Copyright 2008, Intel Corporation +# +# This file is part of the Linux kernel +# +# This program file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program in a file named COPYING; if not, write to the +# Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, +# Boston, MA 02110-1301 USA +# +# Authors: +# Arjan van de Ven <arjan@linux.intel.com> + + +# +# This script turns a cstate ftrace output into a SVG graphic that shows +# historic C-state information +# +# +# cat /sys/kernel/debug/tracing/trace | perl power.pl > out.svg +# + +my @styles; +my $base = 0; + +my @pstate_last; +my @pstate_level; + +$styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[1] = "fill:rgb(0,255,0);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[2] = "fill:rgb(255,0,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[3] = "fill:rgb(255,255,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[4] = "fill:rgb(255,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[5] = "fill:rgb(0,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[6] = "fill:rgb(0,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[7] = "fill:rgb(0,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[8] = "fill:rgb(0,25,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; + + +print "<?xml version=\"1.0\" standalone=\"no\"?> \n"; +print "<svg width=\"10000\" height=\"100%\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n"; + +my $scale = 30000.0; +while (<>) { + my $line = $_; + if ($line =~ /([0-9\.]+)\] CSTATE: Going to C([0-9]) on cpu ([0-9]+) for ([0-9\.]+)/) { + if ($base == 0) { + $base = $1; + } + my $time = $1 - $base; + $time = $time * $scale; + my $C = $2; + my $cpu = $3; + my $y = 400 * $cpu; + my $duration = $4 * $scale; + my $msec = int($4 * 100000)/100.0; + my $height = $C * 20; + $style = $styles[$C]; + + $y = $y + 140 - $height; + + $x2 = $time + 4; + $y2 = $y + 4; + + + print "<rect x=\"$time\" width=\"$duration\" y=\"$y\" height=\"$height\" style=\"$style\"/>\n"; + print "<text transform=\"translate($x2,$y2) rotate(90)\">C$C $msec</text>\n"; + } + if ($line =~ /([0-9\.]+)\] PSTATE: Going to P([0-9]) on cpu ([0-9]+)/) { + my $time = $1 - $base; + my $state = $2; + my $cpu = $3; + + if (defined($pstate_last[$cpu])) { + my $from = $pstate_last[$cpu]; + my $oldstate = $pstate_state[$cpu]; + my $duration = ($time-$from) * $scale; + + $from = $from * $scale; + my $to = $from + $duration; + my $height = 140 - ($oldstate * (140/8)); + + my $y = 400 * $cpu + 200 + $height; + my $y2 = $y+4; + my $style = $styles[8]; + + print "<rect x=\"$from\" y=\"$y\" width=\"$duration\" height=\"5\" style=\"$style\"/>\n"; + print "<text transform=\"translate($from,$y2)\">P$oldstate (cpu $cpu)</text>\n"; + }; + + $pstate_last[$cpu] = $time; + $pstate_state[$cpu] = $state; + } +} + + +print "</svg>\n"; diff --git a/scripts/tracing/draw_functrace.py b/scripts/tracing/draw_functrace.py new file mode 100644 index 00000000000..902f9a99262 --- /dev/null +++ b/scripts/tracing/draw_functrace.py @@ -0,0 +1,130 @@ +#!/usr/bin/python + +""" +Copyright 2008 (c) Frederic Weisbecker <fweisbec@gmail.com> +Licensed under the terms of the GNU GPL License version 2 + +This script parses a trace provided by the function tracer in +kernel/trace/trace_functions.c +The resulted trace is processed into a tree to produce a more human +view of the call stack by drawing textual but hierarchical tree of +calls. Only the functions's names and the the call time are provided. + +Usage: + Be sure that you have CONFIG_FUNCTION_TRACER + # mkdir /debugfs + # mount -t debug debug /debug + # echo function > /debug/tracing/current_tracer + $ cat /debug/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/draw_functrace.py < raw_trace_func > draw_functrace + Then you have your drawn trace in draw_functrace +""" + + +import sys, re + +class CallTree: + """ This class provides a tree representation of the functions + call stack. If a function has no parent in the kernel (interrupt, + syscall, kernel thread...) then it is attached to a virtual parent + called ROOT. + """ + ROOT = None + + def __init__(self, func, time = None, parent = None): + self._func = func + self._time = time + if parent is None: + self._parent = CallTree.ROOT + else: + self._parent = parent + self._children = [] + + def calls(self, func, calltime): + """ If a function calls another one, call this method to insert it + into the tree at the appropriate place. + @return: A reference to the newly created child node. + """ + child = CallTree(func, calltime, self) + self._children.append(child) + return child + + def getParent(self, func): + """ Retrieve the last parent of the current node that + has the name given by func. If this function is not + on a parent, then create it as new child of root + @return: A reference to the parent. + """ + tree = self + while tree != CallTree.ROOT and tree._func != func: + tree = tree._parent + if tree == CallTree.ROOT: + child = CallTree.ROOT.calls(func, None) + return child + return tree + + def __repr__(self): + return self.__toString("", True) + + def __toString(self, branch, lastChild): + if self._time is not None: + s = "%s----%s (%s)\n" % (branch, self._func, self._time) + else: + s = "%s----%s\n" % (branch, self._func) + + i = 0 + if lastChild: + branch = branch[:-1] + " " + while i < len(self._children): + if i != len(self._children) - 1: + s += "%s" % self._children[i].__toString(branch +\ + " |", False) + else: + s += "%s" % self._children[i].__toString(branch +\ + " |", True) + i += 1 + return s + +class BrokenLineException(Exception): + """If the last line is not complete because of the pipe breakage, + we want to stop the processing and ignore this line. + """ + pass + +class CommentLineException(Exception): + """ If the line is a comment (as in the beginning of the trace file), + just ignore it. + """ + pass + + +def parseLine(line): + line = line.strip() + if line.startswith("#"): + raise CommentLineException + m = re.match("[^]]+?\\] +([0-9.]+): (\\w+) <-(\\w+)", line) + if m is None: + raise BrokenLineException + return (m.group(1), m.group(2), m.group(3)) + + +def main(): + CallTree.ROOT = CallTree("Root (Nowhere)", None, None) + tree = CallTree.ROOT + + for line in sys.stdin: + try: + calltime, callee, caller = parseLine(line) + except BrokenLineException: + break + except CommentLineException: + continue + tree = tree.getParent(caller) + tree = tree.calls(callee, calltime) + + print CallTree.ROOT + +if __name__ == "__main__": + main() |