From 05bf283675db983cab59159db8fb82b9a2858c7f Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Tue, 14 Sep 2010 04:33:34 +0100 Subject: [PATCH] Kbuild: kconfig: Verbose version of --listnewconfig If the KBUILD_VERBOSE environment variable is set to non-zero, show the default values of new symbols and not just their names. Based on work by Bastian Blank and maximilian attems . Simplified by Michal Marek . Signed-off-by: Ben Hutchings --- scripts/kconfig/conf.c | 45 +++++++++++++++++++++++++++++++++--------- scripts/kconfig/confdata.c | 5 ++- scripts/kconfig/expr.h | 2 + scripts/kconfig/lkc_proto.h | 1 + 4 files changed, 41 insertions(+), 12 deletions(-) diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c index 5459a38..f4752b4 100644 --- a/scripts/kconfig/conf.c +++ b/scripts/kconfig/conf.c @@ -363,7 +363,6 @@ static void conf(struct menu *menu) switch (prop->type) { case P_MENU: if ((input_mode == silentoldconfig || - input_mode == listnewconfig || input_mode == oldnoconfig) && rootEntry != menu) { check_conf(menu); @@ -423,11 +422,7 @@ static void check_conf(struct menu *menu) if (sym && !sym_has_value(sym)) { if (sym_is_changable(sym) || (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) { - if (input_mode == listnewconfig) { - if (sym->name && !sym_is_choice_value(sym)) { - printf("%s%s\n", CONFIG_, sym->name); - } - } else if (input_mode != oldnoconfig) { + if (input_mode != oldnoconfig) { if (!conf_cnt++) printf(_("*\n* Restart config...\n*\n")); rootEntry = menu_get_parent_menu(menu); @@ -440,6 +435,33 @@ static void check_conf(struct menu *menu) check_conf(child); } +static void report_conf(struct menu *menu, bool verbose) +{ + struct symbol *sym; + struct menu *child; + + if (!menu_is_visible(menu)) + return; + + if (verbose && menu == &rootmenu) { + printf("\n#\n" + "# Changes:\n" + "#\n"); + } + + sym = menu->sym; + if (sym && (sym->flags & SYMBOL_NEW) && + sym_is_changable(sym) && sym->name && !sym_is_choice_value(sym)) { + if (verbose) + conf_write_symbol(sym, sym->type, stdout, true); + else + printf("CONFIG_%s\n", sym->name); + } + + for (child = menu->list; child; child = child->next) + report_conf(child, verbose); +} + static struct option long_opts[] = { {"oldaskconfig", no_argument, NULL, oldaskconfig}, {"oldconfig", no_argument, NULL, oldconfig}, @@ -460,6 +482,7 @@ int main(int ac, char **av) { int opt; const char *name; + const char *value; struct stat tmpstat; setlocale(LC_ALL, ""); @@ -604,16 +627,18 @@ int main(int ac, char **av) input_mode = silentoldconfig; /* fall through */ case oldconfig: - case listnewconfig: case oldnoconfig: case silentoldconfig: /* Update until a loop caused no more changes */ do { conf_cnt = 0; check_conf(&rootmenu); - } while (conf_cnt && - (input_mode != listnewconfig && - input_mode != oldnoconfig)); + } while (conf_cnt && input_mode != oldnoconfig); + break; + case listnewconfig: + conf_set_all_new_symbols(def_default); + value = getenv("KBUILD_VERBOSE"); + report_conf(&rootmenu, value && atoi(value)); break; } diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index c06f150..fbbacac 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -440,8 +440,8 @@ static void conf_write_string(bool headerfile, const char *name, fputs("\"\n", out); } -static void conf_write_symbol(struct symbol *sym, enum symbol_type type, - FILE *out, bool write_no) +void conf_write_symbol(struct symbol *sym, enum symbol_type type, + FILE *out, bool write_no) { const char *str; @@ -1009,6 +1009,7 @@ void conf_set_all_new_symbols(enum conf_def_mode mode) for_all_symbols(i, sym) { if (sym_has_value(sym)) continue; + sym->flags |= SYMBOL_NEW; switch (sym_get_type(sym)) { case S_BOOLEAN: case S_TRISTATE: diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h index 184eb6a..b267933 100644 --- a/scripts/kconfig/expr.h +++ b/scripts/kconfig/expr.h @@ -108,6 +108,8 @@ struct symbol { #define SYMBOL_DEF3 0x40000 /* symbol.def[S_DEF_3] is valid */ #define SYMBOL_DEF4 0x80000 /* symbol.def[S_DEF_4] is valid */ +#define SYMBOL_NEW 0x100000 /* symbol is new (loaded config did not provide a value) */ + #define SYMBOL_MAXLENGTH 256 #define SYMBOL_HASHSIZE 9973 diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h index 17342fe..6da571b 100644 --- a/scripts/kconfig/lkc_proto.h +++ b/scripts/kconfig/lkc_proto.h @@ -7,6 +7,7 @@ P(conf_read_simple,int,(const char *name, int)); P(conf_write_defconfig,int,(const char *name)); P(conf_write,int,(const char *name)); P(conf_write_autoconf,int,(void)); +P(conf_write_symbol, void,(struct symbol*, enum symbol_type, FILE*, bool)); P(conf_get_changed,bool,(void)); P(conf_set_changed_callback, void,(void (*fn)(void))); P(conf_set_message_callback, void,(void (*fn)(const char *fmt, va_list ap))); -- 1.7.2.3