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authorMax Filippov <jcmvbkbc@gmail.com>2022-09-15 12:30:52 -0700
committerWaldemar Brodkorb <wbx@openadk.org>2022-09-21 10:35:40 +0200
commite260620eb4c28d4243f62c1d5f7e66cc6e773b8c (patch)
treeba4097a5e9976e74e5a708e79004eba2ff9877e2 /libc/string/wcsncasecmp.c
parentfc4d8e59e9d5595047b9bc89147ac4ff12a8b802 (diff)
xtensa: ldso: make GOT protection adjustment conditional
Xtensa PERFORM_BOOTSTRAP_GOT macro uses mprotect to make bits of GOT writable, but noMMU linux kernel returns ENOSYS to mprotect syscalls, and syscall wrapper tries to update errno with the error code. This happens well before the relocations are done and results in writes to unrelated locations, memory corruption or protection violations. Only define PERFORM_BOOTSTRAP_GOT when building xtensa configuration with MMU support. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'libc/string/wcsncasecmp.c')
0 files changed, 0 insertions, 0 deletions