Added Rusty to CC.
Dne 9.8.2013 21:45, Andi Kleen napsal(a):
> From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
>
> For some reason I managed to trick gcc into create CRC symbols that
> are not absolute anymore, but weak.
>
> Make modpost handle this case.
>
> Andrew, this should fix the bizarre warning. Seems like a toolchain
> bug to me.
>
> Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> ---
> scripts/mod/modpost.c | 15 +++++++--------
> 1 file changed, 7 insertions(+), 8 deletions(-)
>
> diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> index 6216434..b3dd735 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,
> else
> export = export_from_sec(info, get_secindex(info, sym));
>
> + /* CRC'd symbol */
> + if (strncmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) {
> + crc = (unsigned int) sym->st_value;
> + sym_update_crc(symname + strlen(CRC_PFX), mod, crc,
> + export);
> + }
> +
> switch (sym->st_shndx) {
> case SHN_COMMON:
> warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name);
> break;
> - case SHN_ABS:
> - /* CRC'd symbol */
> - if (strncmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) {
> - crc = (unsigned int) sym->st_value;
> - sym_update_crc(symname + strlen(CRC_PFX), mod, crc,
> - export);
> - }
> - break;
> case SHN_UNDEF:
> /* undefined symbol */
> if (ELF_ST_BIND(sym->st_info) != STB_GLOBAL &&
>
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