modpost: Don't let "driver"s reference .exit.*

[platform/kernel/linux-starfive.git] / scripts / mod / modpost.c

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 34a5386..b3dee80 100644 (file)
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1015,9 +1015,20 @@ static int secref_whitelist(const char *fromsec, const char *fromsym,
                                    "*_console")))
                return 0;
 
-       /* symbols in data sections that may refer to meminit/exit sections */
+       /* symbols in data sections that may refer to meminit sections */
        if (match(fromsec, PATTERNS(DATA_SECTIONS)) &&
-           match(tosec, PATTERNS(ALL_XXXINIT_SECTIONS, ALL_EXIT_SECTIONS)) &&
+           match(tosec, PATTERNS(ALL_XXXINIT_SECTIONS, ALL_XXXEXIT_SECTIONS)) &&
+           match(fromsym, PATTERNS("*driver")))
+               return 0;
+
+       /*
+        * symbols in data sections must not refer to .exit.*, but there are
+        * quite a few offenders, so hide these unless for W=1 builds until
+        * these are fixed.
+        */
+       if (!extra_warn &&
+           match(fromsec, PATTERNS(DATA_SECTIONS)) &&
+           match(tosec, PATTERNS(EXIT_SECTIONS)) &&
            match(fromsym, PATTERNS("*driver")))
                return 0;
 
@@ -1228,6 +1239,15 @@ static void check_export_symbol(struct module *mod, struct elf_info *elf,
         */
        s->is_func = (ELF_ST_TYPE(sym->st_info) == STT_FUNC);
 
+       /*
+        * For parisc64, symbols prefixed $$ from the library have the symbol type
+        * STT_LOPROC. They should be handled as functions too.
+        */
+       if (elf->hdr->e_ident[EI_CLASS] == ELFCLASS64 &&
+           elf->hdr->e_machine == EM_PARISC &&
+           ELF_ST_TYPE(sym->st_info) == STT_LOPROC)
+               s->is_func = true;
+
        if (match(secname, PATTERNS(INIT_SECTIONS)))
                warn("%s: %s: EXPORT_SYMBOL used for init symbol. Remove __init or EXPORT_SYMBOL.\n",
                     mod->name, name);