kbuild: export-type enhancement to modpost.c

This patch provides the ability to identify the export-type of each
exported symbols in Module.symvers.

NOTE: It updates the Module.symvers file with the additional
information as shown below.

0x0f8b92af      platform_device_add_resources   vmlinux EXPORT_SYMBOL_GPL
0xcf7efb2a      ethtool_op_set_tx_csum          vmlinux EXPORT_SYMBOL

Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Avantika Mathur <mathur@us.ibm.com>
Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 861d866fcd83..f7ee3a3fde14 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -115,6 +115,9 @@ struct elf_info {
         Elf_Shdr     *sechdrs;
         Elf_Sym      *symtab_start;
         Elf_Sym      *symtab_stop;
+        Elf_Section  export_sec;
+        Elf_Section  export_gpl_sec;
+        Elf_Section  export_gpl_future_sec;
         const char   *strtab;
         char         *modinfo;
         unsigned int modinfo_len;