On Tue, Apr 20, 2021 at 05:20:39PM -0600, Jeff Law wrote: > > On 4/18/2021 6:10 PM, Stafford Horne via Gcc-patches wrote: > > When building libgeos we get an error with: > > > > linux-uclibc/9.3.0/crtbeginS.o: in function `__do_global_dtors_aux': > > crtstuff.c:(.text+0x118): relocation truncated to fit: R_OR1K_GOT16 > > against symbol `__cxa_finalize' defined in .text section in > > > > /home/shorne/work/openrisc/3eb9f9d0f6d8274b2d19753c006bd83f7d536e3c/output/host/or1k-buildroot-linux-uclibc/sysroot/lib/libc.so. > > > > This is caused by GOT code having a limit of 64k. In OpenRISC this > > looks to be the only relocation code pattern to be limited to 64k. > > > > This patch allows specifying a new option -mcmodel=large which can be > > used to generate 2 more instructions to construct 32-bit addresses for > > up to 4G GOTs. > > > > gcc/ChangeLog: > > > > PR 99783 > > * config/or1k/or1k-opts.h: New file. > > * config/or1k/or1k.c (or1k_legitimize_address_1, print_reloc): > > Support generating gotha relocations if -mcmodel=large is > > specified. > > * config/or1k/or1k.h (TARGET_CMODEL_SMALL, TARGET_CMODEL_LARGE): > > New macros. > > * config/or1k/or1k.opt (mcmodel=): New option. > > * doc/invoke.text (OpenRISC Options): Document mcmodel. > > Note you're the port maintainer, so you don't need approval to commit this > to GCC.
Thanks for confirming, I know that after Segher told me with some previous patches. :) For this series Giulio picked it up and tested it. We found some issues and I am going to fix with a V2. I should commit that version, after the binutils changes are in. -Stafford
