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Subject[PATCH 66/74] Kbuild, lto: Handle basic LTO in modpost
Date
From: Andi Kleen <ak@linux.intel.com>

- Don't warn for __gnu_lto_* COMMON symbols
- Don't complain about .gnu.lto* sections

Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
scripts/mod/modpost.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index ccd34ff..11fc5a6 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -600,7 +600,8 @@ 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))
+ warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name);
break;
case SHN_ABS:
/* CRC'd symbol */
@@ -827,6 +828,7 @@ static const char *section_white_list[] =
".note*",
".got*",
".toc*",
+ ".gnu.lto*",
NULL
};

--
1.7.7.6


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