Le 29/03/2022 à 01:39, Philippe Mathieu-Daudé a écrit :
On 28/3/22 22:49, Andreas K. Hüttel wrote:
With the command line flag -mplt and a recent toolchain, ELF binaries
generated by gcc can obtain EI_ABIVERSION=1, which makes, e.g., gcc
three-stage bootstrap in a mips-unknown-linux-gnu qemu-user chroot
fail since the binfmt-misc magic does not match anymore. Also other
values are technically possible. qemu executes these binaries just
fine, so relax the mask for the EI_ABIVERSION byte at offset 0x08.
In addition, extend magic string to distinguish mips o32 and n32 ABI.
This information is given by the EF_MIPS_ABI2 (0x20) bit in the
e_flags field of the ELF header (a 4-byte value at offset 0x24 for
the here applicable ELFCLASS32).
See-also: ace3d65459
Signed-off-by: Andreas K. Hüttel <dilfri...@gentoo.org>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Reviewed-by: WANG Xuerui <xe...@gentoo.org>
v5 changes are too different from v4 to keep these R-b tags IMO.
LGTM but I'd like Xuerui to double-check the R-b stands,
and an Acked-by from Laurent would make me feel safer ;)
Sorry, I didn't see your email before.
It's more mips than linux-user, so there is no problem for me.
Thanks,
Laurent
