From ec77abb9188ff8e09e54dba5f530ed045a25b2a2 Mon Sep 17 00:00:00 2001
From: Gustavo Sverzut Barbieri <barbieri@profusion.mobi>
Date: Fri, 23 Dec 2011 23:21:09 -0200
Subject: [PATCH] kmod-depmod: dump modules.alias.bin

---
 tools/kmod-depmod.c | 50 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 49 insertions(+), 1 deletion(-)

diff --git a/tools/kmod-depmod.c b/tools/kmod-depmod.c
index cb55204b..cfa423c0 100644
--- a/tools/kmod-depmod.c
+++ b/tools/kmod-depmod.c
@@ -2290,6 +2290,54 @@ static int output_aliases(struct depmod *depmod, FILE *out)
 	return 0;
 }
 
+static int output_aliases_bin(struct depmod *depmod, FILE *out)
+{
+	char buf[1024];
+	struct index_node *idx;
+	size_t i;
+
+	if (out == stdout)
+		return 0;
+
+	idx = index_create();
+	if (idx == NULL)
+		return -ENOMEM;
+
+	for (i = 0; i < depmod->modules.count; i++) {
+		const struct mod *mod = depmod->modules.array[i];
+		struct kmod_list *l, *list = NULL;
+		int r = kmod_module_get_info(mod->kmod, &list);
+		if (r < 0 || list == NULL)
+			continue;
+		kmod_list_foreach(l, list) {
+			const char *key = kmod_module_info_get_key(l);
+			const char *value = kmod_module_info_get_value(l);
+			const char *modname, *alias;
+			int duplicate;
+
+			if (!streq(key, "alias"))
+				continue;
+
+			alias = underscores(value, buf, sizeof(buf));
+			if (alias == NULL)
+				continue;
+
+			modname = kmod_module_get_name(mod->kmod);
+			duplicate = index_insert(idx, alias, modname,
+						 mod->idx);
+			if (duplicate && depmod->cfg->warn_dups)
+				WRN("duplicate module alias:\n%s %s\n",
+				    alias, modname);
+		}
+		kmod_module_info_free_list(list);
+	}
+
+	index_write(idx, out);
+	index_destroy(idx);
+
+	return 0;
+}
+
 static int output_softdeps(struct depmod *depmod, FILE *out)
 {
 	size_t i;
@@ -2486,7 +2534,7 @@ static int depmod_output(struct depmod *depmod, FILE *out)
 		{"modules.dep", output_deps},
 		//{"modules.dep.bin", output_deps_bin},
 		{"modules.alias", output_aliases},
-		//{"modules.alias.bin", output_aliases_bin},
+		{"modules.alias.bin", output_aliases_bin},
 		{"modules.softdep", output_softdeps},
 		{"modules.symbols", output_symbols},
 		{"modules.symbols.bin", output_symbols_bin},
-- 
2.47.2