On Tue, 2 Aug 2022 at 10:45, Heinrich Schuchardt <xypron.g...@gmx.de> wrote: > > On 8/2/22 10:30, Joel Stanley wrote: > > The next version of the linker will complain about rwx segments with > > permissions and executable stacks: > > > > > > https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=ba951afb99912da01a6e8434126b8fac7aa75107 > > > > https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=0d38576a34ec64a1b4500c9277a8e9d0f07e6774 > > > > These warnings are relevant for ELF binaries loaded by an operating > > system linker, but do not make sense in the context of u-boot where the > > objects are loaded by other means. > > The ELF binary can be loaded by OpenSBI or QEMU. The information about > rwx segments can be relevant for these. Only if a non-ELF form is used > it is irrelevant.
I couldn't see where it was used in the qemu elf loader. I had assumed the system would need an operating system and/or to be running with a MMU turned on to do anything sensible with the information. > > You should instead fix the single file that has a problem: > > test/overlay/test-fdt-overlay-stacked.dtb.S I saw it triggering on a different set of files: $ make evb-ast2600_defconfig && make CROSS_COMPILE=arm-linux-gnueabihf- -s -j8 # # configuration written to .config # arm-linux-gnueabihf-ld.bfd: warning: arch/arm/lib/lib1funcs.o: missing .note.GNU-stack section implies executable stack arm-linux-gnueabihf-ld.bfd: NOTE: This behaviour is deprecated and will be removed in a future version of the linker arm-linux-gnueabihf-ld.bfd: warning: u-boot has a LOAD segment with RWX permissions arm-linux-gnueabihf-ld.bfd: warning: arch/arm/lib/lib1funcs.o: missing .note.GNU-stack section implies executable stack arm-linux-gnueabihf-ld.bfd: NOTE: This behaviour is deprecated and will be removed in a future version of the linker arm-linux-gnueabihf-ld.bfd: warning: u-boot-spl has a LOAD segment with RWX permissions Cheers, Joel