* elf32-ppc.c (ppc_elf_create_dynamic_sections): New procedure
to create .dynsbss and .rela.sbss sections.
(ppc_elf_adjust_dynamic_symbol): Put space for small data to be
copied from dynamic objects into .sbss.
(ppc_elf_size_dynamic_sections): Strip .rela.sbss if we don't
use it. Correct typo of .rela.sdata2.
(ppc_elf_finish_dynamic_symbol): Generate reloc to where we
put the data, which may now be in .sbss.
(ppc_elf_relocate_section): A SDAREL16 reloc can be in dynsbss.
(elf_backend_create_dynamic_sections): Define as
ppc_elf_create_dynamic_sections.
* elf32-ppc.c (ppc_elf_check_relocs): Don't emit R_PPC_REL* relocs
against _GLOBAL_OFFSET_TABLE_.
(ppc_elf_relocate_section): Don't emit R_PPC_REL32 relocs in
shared libraries which refer to local symbols. Make sure that the
test for allocating space for a reloc in a shared object is the
same as the test for emitting a reloc.
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