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-rw-r--r--scripts/mod/modpost.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 413c53693e62..2bd594e6d1b4 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -254,6 +254,28 @@ static enum export export_no(const char *s)
254 return export_unknown; 254 return export_unknown;
255} 255}
256 256
257static const char *sec_name(struct elf_info *elf, int secindex);
258
259#define strstarts(str, prefix) (strncmp(str, prefix, strlen(prefix)) == 0)
260
261static enum export export_from_secname(struct elf_info *elf, unsigned int sec)
262{
263 const char *secname = sec_name(elf, sec);
264
265 if (strstarts(secname, "___ksymtab+"))
266 return export_plain;
267 else if (strstarts(secname, "___ksymtab_unused+"))
268 return export_unused;
269 else if (strstarts(secname, "___ksymtab_gpl+"))
270 return export_gpl;
271 else if (strstarts(secname, "___ksymtab_unused_gpl+"))
272 return export_unused_gpl;
273 else if (strstarts(secname, "___ksymtab_gpl_future+"))
274 return export_gpl_future;
275 else
276 return export_unknown;
277}
278
257static enum export export_from_sec(struct elf_info *elf, unsigned int sec) 279static enum export export_from_sec(struct elf_info *elf, unsigned int sec)
258{ 280{
259 if (sec == elf->export_sec) 281 if (sec == elf->export_sec)
@@ -563,7 +585,12 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
563 Elf_Sym *sym, const char *symname) 585 Elf_Sym *sym, const char *symname)
564{ 586{
565 unsigned int crc; 587 unsigned int crc;
566 enum export export = export_from_sec(info, get_secindex(info, sym)); 588 enum export export;
589
590 if (!is_vmlinux(mod->name) && strncmp(symname, "__ksymtab", 9) == 0)
591 export = export_from_secname(info, get_secindex(info, sym));
592 else
593 export = export_from_sec(info, get_secindex(info, sym));
567 594
568 switch (sym->st_shndx) { 595 switch (sym->st_shndx) {
569 case SHN_COMMON: 596 case SHN_COMMON:
@@ -1822,6 +1849,12 @@ static void add_header(struct buffer *b, struct module *mod)
1822 buf_printf(b, "};\n"); 1849 buf_printf(b, "};\n");
1823} 1850}
1824 1851
1852static void add_intree_flag(struct buffer *b, int is_intree)
1853{
1854 if (is_intree)
1855 buf_printf(b, "\nMODULE_INFO(intree, \"Y\");\n");
1856}
1857
1825static void add_staging_flag(struct buffer *b, const char *name) 1858static void add_staging_flag(struct buffer *b, const char *name)
1826{ 1859{
1827 static const char *staging_dir = "drivers/staging"; 1860 static const char *staging_dir = "drivers/staging";
@@ -2142,6 +2175,7 @@ int main(int argc, char **argv)
2142 buf.pos = 0; 2175 buf.pos = 0;
2143 2176
2144 add_header(&buf, mod); 2177 add_header(&buf, mod);
2178 add_intree_flag(&buf, !external_module);
2145 add_staging_flag(&buf, mod->name); 2179 add_staging_flag(&buf, mod->name);
2146 err |= add_versions(&buf, mod); 2180 err |= add_versions(&buf, mod);
2147 add_depends(&buf, mod, modules); 2181 add_depends(&buf, mod, modules);