[PATCH] add make listconfig (show all kconfig symbols seen by parser)

[Al Viro]

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

---

 scripts/kconfig/Makefile   |    8 ++++++--
 scripts/kconfig/confsyms.c |   31 +++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 2 deletions(-)
 create mode 100644 scripts/kconfig/confsyms.c

9af44436bd3940c50b7cf68a8f2bf14e07ad2081
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index fd518f0..b655f60 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -2,7 +2,7 @@ # ======================================
 # Kernel configuration targets
 # These targets are used from top-level makefile
 
-PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config
+PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config listconfig
 
 xconfig: $(obj)/qconf
 	$< arch/$(ARCH)/Kconfig
@@ -23,6 +23,9 @@ oldconfig: $(obj)/conf
 silentoldconfig: $(obj)/conf
 	$< -s arch/$(ARCH)/Kconfig
 
+listconfig: $(obj)/confsyms
+	$< arch/$(ARCH)/Kconfig
+
 update-po-config: $(obj)/kxgettext
 	xgettext --default-domain=linux \
           --add-comments --keyword=_ --keyword=N_ \
@@ -95,10 +98,11 @@ # gconf:  Used for the gconfig target
 #         Based on GTK which needs to be installed to compile it
 # object files used by all kconfig flavours
 
-hostprogs-y	:= conf mconf qconf gconf kxgettext
+hostprogs-y	:= conf mconf qconf gconf kxgettext confsyms
 conf-objs	:= conf.o  zconf.tab.o
 mconf-objs	:= mconf.o zconf.tab.o
 kxgettext-objs	:= kxgettext.o zconf.tab.o
+confsyms-objs	:= confsyms.o zconf.tab.o
 
 ifeq ($(MAKECMDGOALS),xconfig)
 	qconf-target := 1
diff --git a/scripts/kconfig/confsyms.c b/scripts/kconfig/confsyms.c
new file mode 100644
index 0000000..3b20065
--- /dev/null
+++ b/scripts/kconfig/confsyms.c
@@ -0,0 +1,31 @@
+#define LKC_DIRECT_LINK
+#include "lkc.h"
+
+static char type[] = {
+	[S_BOOLEAN] = 'b',
+	[S_TRISTATE] = 't',
+	[S_INT] = 'i',
+	[S_HEX] = 'h',
+	[S_STRING] = 's',
+};
+
+static void list_symbols(struct menu *m)
+{
+	for (m = m->list; m; m = m->next) {
+		struct symbol *s = m->sym;
+		if (s && !sym_is_choice(s)) {
+			char c = s->type >= sizeof(type) ? '\0' : type[s->type];
+			printf("%c %s\n", c ? c : '?', s->name);
+		}
+		list_symbols(m);
+	}
+}
+
+int main(int argc, char **argv)
+{
+	if (argc > 1) {
+		conf_parse(argv[1]);
+		list_symbols(&rootmenu);
+	}
+	return 0;
+}
-- 
1.3.GIT

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