Hi! On Sat, Mar 06, 2021 at 09:14:33PM -0800, Fangrui Song wrote: > TOC relocations are like GOT relocations on other architectures. > However, unlike other architectures, GNU ld's ppc64 port defines .TOC. > relative to the .got output section instead of the linker synthesized > .got input section. LLD defines .TOC. as the .got input section plus > 0x8000. When CONFIG_PPC_OF_BOOT_TRAMPOLINE=y, > arch/powerpc/kernel/prom_init.o is built, and LLD computed .TOC. can be > different from __toc_start defined by the linker script. > > Simplify kernel_toc_addr with asm label .TOC. so that we can get rid of > __toc_start. > > With this change, powernv_defconfig with CONFIG_PPC_OF_BOOT_TRAMPOLINE=y > is bootable with LLD. There is still an untriaged issue with Alexey's > configuration.
Do you have any explanation why this *does* work, while the original doesn't? Some explanation that says *what* is wrong. To me it doesn't look like the kernel script is. Segher
