objtool: Make struct entries[] static and const

This data is not modified and not used outside of special.c.

Also adapt its users to the constness.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20221216-objtool-memory-v2-1-17968f85a464@weissschuh.net
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>

diff --git a/tools/objtool/special.c b/tools/objtool/special.c
index 9c8d827f69afb5840765d3a0d6b410e41b6119f8..baa85c31526b389e49bb3f5da20947ca2af9f3cd 100644 (file)
--- a/tools/objtool/special.c
+++ b/tools/objtool/special.c
@@ -26,7 +26,7 @@ struct special_entry {
        unsigned char key; /* jump_label key */
 };
 
-struct special_entry entries[] = {
+static const struct special_entry entries[] = {
        {
                .sec = ".altinstructions",
                .group = true,
@@ -65,7 +65,7 @@ static void reloc_to_sec_off(struct reloc *reloc, struct section **sec,
        *off = reloc->sym->offset + reloc->addend;
 }
 
-static int get_alt_entry(struct elf *elf, struct special_entry *entry,
+static int get_alt_entry(struct elf *elf, const struct special_entry *entry,
                         struct section *sec, int idx,
                         struct special_alt *alt)
 {
@@ -139,7 +139,7 @@ static int get_alt_entry(struct elf *elf, struct special_entry *entry,
  */
 int special_get_alts(struct elf *elf, struct list_head *alts)
 {
-       struct special_entry *entry;
+       const struct special_entry *entry;
        struct section *sec;
        unsigned int nr_entries;
        struct special_alt *alt;