diff options
Diffstat (limited to 'scripts/mod/modpost.c')
| -rw-r--r-- | scripts/mod/modpost.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 99a45fdc1bb..026543ba8d8 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -316,7 +316,7 @@ static struct symbol *sym_add_exported(const char *name, struct module *mod, s->module->name, is_vmlinux(s->module->name) ?"":".ko"); } else { - /* In case Modules.symvers was out of date */ + /* In case Module.symvers was out of date */ s->module = mod; } } @@ -623,7 +623,10 @@ static void handle_modversions(struct module *mod, struct elf_info *info, switch (sym->st_shndx) { case SHN_COMMON: - warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name); + if (!strncmp(symname, "__gnu_lto_", sizeof("__gnu_lto_")-1)) { + /* Should warn here, but modpost runs before the linker */ + } else + warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name); break; case SHN_UNDEF: /* undefined symbol */ @@ -849,6 +852,7 @@ static const char *section_white_list[] = ".xt.lit", /* xtensa */ ".arcextmap*", /* arc */ ".gnu.linkonce.arcext*", /* arc : modules */ + ".gnu.lto*", NULL }; @@ -1455,6 +1459,10 @@ static void check_section_mismatch(const char *modname, struct elf_info *elf, to = find_elf_symbol(elf, r->r_addend, sym); tosym = sym_name(elf, to); + if (!strncmp(fromsym, "reference___initcall", + sizeof("reference___initcall")-1)) + return; + /* check whitelist - we may ignore it */ if (secref_whitelist(mismatch, fromsec, fromsym, tosec, tosym)) { @@ -1693,6 +1701,19 @@ static void check_sec_ref(struct module *mod, const char *modname, } } +static char *remove_dot(char *s) +{ + char *end; + int n = strcspn(s, "."); + + if (n > 0 && s[n] != 0) { + strtoul(s + n + 1, &end, 10); + if (end > s + n + 1 && (*end == '.' || *end == 0)) + s[n] = 0; + } + return s; +} + static void read_symbols(char *modname) { const char *symname; @@ -1731,7 +1752,7 @@ static void read_symbols(char *modname) } for (sym = info.symtab_start; sym < info.symtab_stop; sym++) { - symname = info.strtab + sym->st_name; + symname = remove_dot(info.strtab + sym->st_name); handle_modversions(mod, &info, sym, symname); handle_moddevtable(mod, &info, sym, symname); @@ -2092,8 +2113,10 @@ static void read_dump(const char *fname, unsigned int kernel) s->preloaded = 1; sym_update_crc(symname, mod, crc, export_no(export)); } + release_file(file, size); return; fail: + release_file(file, size); fatal("parse error in symbol dump file\n"); } |