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authorSiddharth Nayyar <sidnayyar@google.com>2026-03-26 21:25:04 +0000
committerSami Tolvanen <samitolvanen@google.com>2026-03-31 23:42:52 +0000
commit16d0e04f546ffba78c74bbfeb57d93147bcaf2c5 (patch)
tree1ebf5a5d161301d08a6d609e4abc3f60e581f4fc /scripts
parent9743311b4535dc76ce81f46303da0f69bfaa5fd6 (diff)
module: populate kflagstab in modpost
This patch adds the ability to create entries for kernel symbol flag bitsets in kflagstab. Modpost populates only the GPL-only flag for now. Signed-off-by: Siddharth Nayyar <sidnayyar@google.com> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/mod/modpost.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 0c25b5ad497b..1d721fe67caf 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -244,6 +244,11 @@ static struct symbol *alloc_symbol(const char *name)
return s;
}
+static uint8_t get_symbol_flags(const struct symbol *sym)
+{
+ return sym->is_gpl_only ? KSYM_FLAG_GPL_ONLY : 0;
+}
+
/* For the hash of exported symbols */
static void hash_add_symbol(struct symbol *sym)
{
@@ -1874,6 +1879,9 @@ static void add_exported_symbols(struct buffer *buf, struct module *mod)
buf_printf(buf, "KSYMTAB_%s(%s, \"%s\", \"%s\");\n",
sym->is_func ? "FUNC" : "DATA", sym->name,
sym->is_gpl_only ? "_gpl" : "", sym->namespace);
+
+ buf_printf(buf, "SYMBOL_FLAGS(%s, 0x%02x);\n",
+ sym->name, get_symbol_flags(sym));
}
if (!modversions)