https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80028
Bug ID: 80028
Summary: Failure to build allyesconfig arm64 kernel using
aarch64-none-linux-gnu
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: ktkachov at gcc dot gnu.org
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
Target Milestone: ---
Target: aarch64
I'm failing to build an allyesconfig recent kernel (4.10.2 from kernel.org)
using a recent trunk.
$ export CROSS_COMPILE=<path-to-toolchain>/aarch64-none-linux-gnu-
$ make ARCH=arm64 allyesconfig
$ make ARCH=arm64 -j<n> all
After some time it will fail at linking with:
drivers/built-in.o: In function `lkdtm_rodata_do_nothing':
fpga-region.c:(.rodata+0x7f8528): relocation truncated to fit: R_AARCH64_CALL26
against symbol `__sanitizer_cov_trace_pc' defined in .text section in
kernel/built-in.o
The symbol looks like one of the sanitisers.
I don't know if this is a kernel or a toolchain bug yet
