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Message-Id: <1230558803-7168-3-git-send-email-sam@ravnborg.org>
Date: Mon, 29 Dec 2008 14:53:13 +0100
From: Sam Ravnborg <sam@...nborg.org>
To: linux-kbuild <linux-kbuild@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>
Cc: Sam Ravnborg <sam@...nborg.org>
Subject: [PATCH 03/13] kconfig: add comments to symbol flags
No functional changes - only comments.
Signed-off-by: Sam Ravnborg <sam@...nborg.org>
---
scripts/kconfig/expr.h | 34 ++++++++++++++++++----------------
1 files changed, 18 insertions(+), 16 deletions(-)
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 455f2c8..0bdb58e 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -88,22 +88,24 @@ struct symbol {
#define for_all_symbols(i, sym) for (i = 0; i < 257; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER)
-#define SYMBOL_CONST 0x0001
-#define SYMBOL_CHECK 0x0008
-#define SYMBOL_CHOICE 0x0010
-#define SYMBOL_CHOICEVAL 0x0020
-#define SYMBOL_VALID 0x0080
-#define SYMBOL_OPTIONAL 0x0100
-#define SYMBOL_WRITE 0x0200
-#define SYMBOL_CHANGED 0x0400
-#define SYMBOL_AUTO 0x1000
-#define SYMBOL_CHECKED 0x2000
-#define SYMBOL_WARNED 0x8000
-#define SYMBOL_DEF 0x10000
-#define SYMBOL_DEF_USER 0x10000
-#define SYMBOL_DEF_AUTO 0x20000
-#define SYMBOL_DEF3 0x40000
-#define SYMBOL_DEF4 0x80000
+#define SYMBOL_CONST 0x0001 /* symbol is const */
+#define SYMBOL_CHECK 0x0008 /* used during dependency checking */
+#define SYMBOL_CHOICE 0x0010 /* start of a choice block (null name) */
+#define SYMBOL_CHOICEVAL 0x0020 /* used as a value in a choice block */
+#define SYMBOL_VALID 0x0080 /* set when symbol.curr is calculated */
+#define SYMBOL_OPTIONAL 0x0100 /* choice is optional - values can be 'n' */
+#define SYMBOL_WRITE 0x0200 /* ? */
+#define SYMBOL_CHANGED 0x0400 /* ? */
+#define SYMBOL_AUTO 0x1000 /* value from environment variable */
+#define SYMBOL_CHECKED 0x2000 /* used during dependency checking */
+#define SYMBOL_WARNED 0x8000 /* warning has been issued */
+
+/* Set when symbol.def[] is used */
+#define SYMBOL_DEF 0x10000 /* First bit of SYMBOL_DEF */
+#define SYMBOL_DEF_USER 0x10000 /* symbol.def[S_DEF_USER] is valid */
+#define SYMBOL_DEF_AUTO 0x20000 /* symbol.def[S_DEF_AUTO] is valid */
+#define SYMBOL_DEF3 0x40000 /* symbol.def[S_DEF_3] is valid */
+#define SYMBOL_DEF4 0x80000 /* symbol.def[S_DEF_4] is valid */
#define SYMBOL_MAXLENGTH 256
#define SYMBOL_HASHSIZE 257
--
1.6.0.2.GIT
--
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