On Tue, 23 Oct 2007 14:02:31 +1000 Stephen Rothwell <[EMAIL PROTECTED]> wrote:
> This was first noted with the -mm tree, but has now migrated into Linus' > tree. Yeah, sorry, I didn't know what to do about that. I'm not even sure which patch caused it. > An allyesconfig build dies in the link stage like this: > > /usr/bin/ld: arch/powerpc/kernel/head_64.o(.text+0x80c8): sibling call > optimization to `.text.init.refok' does not allow automatic multiple TOCs; > recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make > `.text.init.refok' extern > /usr/bin/ld: arch/powerpc/kernel/head_64.o(.text+0x8160): sibling call > optimization to `.text.init.refok' does not allow automatic multiple TOCs; > recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make > `.text.init.refok' extern > /usr/bin/ld: arch/powerpc/kernel/head_64.o(.text+0x81c4): sibling call > optimization to `.text.init.refok' does not allow automatic multiple TOCs; > recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make > `.text.init.refok' extern > /usr/bin/ld: final link failed: Bad value > > We already compile with -mminimal-toc and adding > -fno-optimize-sibling-call did not help. > > Intuiting the obvious, I changed all the _INIT_STATIC and _INIT_GLOBAL > uses in head_64.S back to _STATIC and _GLOBAL (which just moves the code > from .text.init.refok to .text). Now the linker segfaults instead. :-) > > /bin/sh: line 1: 5260 Segmentation fault ld -m elf64ppc -Bstatic > --emit-relocs --build-id -o .tmp_vmlinux1 -T arch/powerpc/kernel/vmlinux.lds > arch/powerpc/kernel/head_64.o arch/powerpc/kernel/entry_64.o > arch/powerpc/kernel/fpu.o init/built-in.o --start-group usr/built-in.o > arch/powerpc/kernel/built-in.o arch/powerpc/mm/built-in.o > arch/powerpc/lib/built-in.o arch/powerpc/sysdev/built-in.o > arch/powerpc/platforms/built-in.o arch/powerpc/xmon/built-in.o > kernel/built-in.o mm/built-in.o fs/built-in.o ipc/built-in.o > security/built-in.o crypto/built-in.o block/built-in.o lib/lib.a > lib/built-in.o drivers/built-in.o sound/built-in.o > arch/powerpc/oprofile/built-in.o net/built-in.o --end-group > make[1]: *** [.tmp_vmlinux1] Error 139 > > $ ld --version > GNU ld (GNU Binutils for Debian) 2.18 > > I take this as an improvement :-) > > We link .text.init.refok immediately after .text, but with > allyesconfig, .text ends up very large. > > The --emit-relocs is a product of something else I am working on. So I > took that out and now get a whole lot more messages like: > > /usr/bin/ld: net/built-in.o(.fixup+0x4): sibling call optimization to `.text' > does not allow automatic multiple TOCs; recompile with -mminimal-toc or > -fno-optimize-sibling-calls, or make `.text' extern > /usr/bin/ld: net/built-in.o(.fixup+0xc): sibling call optimization to `.text' > does not allow automatic multiple TOCs; recompile with -mminimal-toc or > -fno-optimize-sibling-calls, or make `.text' extern > > Anyone have any ideas? I still don't know ;) What did we do which caused all this to start happening? _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
