With 5 minutes more thought I would have checked the values that the 64-bit kernel supplies for arm32 in compat mode. In the process I noticed that we don't get the right string for arm64 in big-endian mode.
r~ Richard Henderson (2): linux-user: Add ELF_PLATFORM for arm linux-user: Fix ELF_PLATFORM for aarch64_be-linux-user linux-user/elfload.c | 37 ++++++++++++++++++++++++++++++++++++- 1 file changed, 36 insertions(+), 1 deletion(-) -- 2.17.2