Re: [PATCH v3] vmlinux.lds.h: Define SANTIZER_DISCARDS with CONFIG_GCOV_KERNEL=y

2021-02-25 Thread Kees Cook
On Fri, 29 Jan 2021 17:46:51 -0700, Nathan Chancellor wrote: > clang produces .eh_frame sections when CONFIG_GCOV_KERNEL is enabled, > even when -fno-asynchronous-unwind-tables is in KBUILD_CFLAGS: > > $ make CC=clang vmlinux > ... > ld: warning: orphan section `.eh_frame' from `init/main.o' being

Re: [PATCH v3] vmlinux.lds.h: Define SANTIZER_DISCARDS with CONFIG_GCOV_KERNEL=y

2021-02-25 Thread Nathan Chancellor
On Fri, Jan 29, 2021 at 05:46:51PM -0700, Nathan Chancellor wrote: > clang produces .eh_frame sections when CONFIG_GCOV_KERNEL is enabled, > even when -fno-asynchronous-unwind-tables is in KBUILD_CFLAGS: > > $ make CC=clang vmlinux > ... > ld: warning: orphan section `.eh_frame' from `init/main.o'

[PATCH v3] vmlinux.lds.h: Define SANTIZER_DISCARDS with CONFIG_GCOV_KERNEL=y

2021-01-29 Thread Nathan Chancellor
clang produces .eh_frame sections when CONFIG_GCOV_KERNEL is enabled, even when -fno-asynchronous-unwind-tables is in KBUILD_CFLAGS: $ make CC=clang vmlinux ... ld: warning: orphan section `.eh_frame' from `init/main.o' being placed in section `.eh_frame' ld: warning: orphan section `.eh_frame' f