diff options
author | Andi Kleen <ak@linux.intel.com> | 2013-11-12 18:08:38 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-12 22:09:12 -0500 |
commit | b5064654c538ad9a2eb1195d80e7593b2e1c1452 (patch) | |
tree | 188eb110ccf4c1fadb3cef2bb255e6ae9f8b53a7 /scripts/mod/modpost.c | |
parent | 83460ec8dcac14142e7860a01fa59c267ac4657c (diff) |
scripts/mod/modpost.c: handle non ABS crc symbols
For some reason I managed to trick gcc into create CRC symbols that are
not absolute anymore, but weak.
Make modpost handle this case.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts/mod/modpost.c')
-rw-r--r-- | scripts/mod/modpost.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 8247979e8f64..bfcea5d3b27d 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c | |||
@@ -599,18 +599,17 @@ static void handle_modversions(struct module *mod, struct elf_info *info, | |||
599 | else | 599 | else |
600 | export = export_from_sec(info, get_secindex(info, sym)); | 600 | export = export_from_sec(info, get_secindex(info, sym)); |
601 | 601 | ||
602 | /* CRC'd symbol */ | ||
603 | if (strncmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) { | ||
604 | crc = (unsigned int) sym->st_value; | ||
605 | sym_update_crc(symname + strlen(CRC_PFX), mod, crc, | ||
606 | export); | ||
607 | } | ||
608 | |||
602 | switch (sym->st_shndx) { | 609 | switch (sym->st_shndx) { |
603 | case SHN_COMMON: | 610 | case SHN_COMMON: |
604 | warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name); | 611 | warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name); |
605 | break; | 612 | break; |
606 | case SHN_ABS: | ||
607 | /* CRC'd symbol */ | ||
608 | if (strncmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) { | ||
609 | crc = (unsigned int) sym->st_value; | ||
610 | sym_update_crc(symname + strlen(CRC_PFX), mod, crc, | ||
611 | export); | ||
612 | } | ||
613 | break; | ||
614 | case SHN_UNDEF: | 613 | case SHN_UNDEF: |
615 | /* undefined symbol */ | 614 | /* undefined symbol */ |
616 | if (ELF_ST_BIND(sym->st_info) != STB_GLOBAL && | 615 | if (ELF_ST_BIND(sym->st_info) != STB_GLOBAL && |