On Wed, Jan 24, 2024 at 8:00 AM Nathan Chancellor <nathan@xxxxxxxxxx> wrote: > > Hi all, > > This series resolves two independent but related issues that were > recently exposed by two LLVM changes. > > https://github.com/llvm/llvm-project/commit/ec92d74a0ef89b9dd46aee6ec8aca6bfd3c66a54 > exposes that '-no-pie' is not getting added to the linker flags with > clang, resulting in building objects with '-fno-PIE' that are linked > with '-pie', to which the linker rightfully errors with: > > /usr/sbin/ld: init/main.o: relocation R_X86_64_32 against symbol `saved_command_line' can not be used when making a PIE object; recompile with -fPIE > /usr/sbin/ld: failed to set dynamic section sizes: bad value > > https://github.com/llvm/llvm-project/commit/4bf8a688956a759b7b6b8d94f42d25c13c7af130 > adds '.ltext' (and '.ltext.*' with '-ffunction-sections') when using > '-mcmodel=large' (which UML does), which causes a segmentation fault > with modpost. > > I have tested these patches with all supported versions of clang, > noticing no regressions. Both applied to linux-kbuild/fixes. Thanks. > --- > Nathan Chancellor (2): > um: Fix adding '-no-pie' for clang > modpost: Add '.ltext' and '.ltext.*' to TEXT_SECTIONS > > arch/um/Makefile | 4 +++- > scripts/mod/modpost.c | 3 ++- > 2 files changed, 5 insertions(+), 2 deletions(-) > --- > base-commit: 0dd3ee31125508cd67f7e7172247f05b7fd1753a > change-id: 20240118-fix-uml-clang-18-e365b0503a29 > > Best regards, > -- > Nathan Chancellor <nathan@xxxxxxxxxx> > -- Best Regards Masahiro Yamada
