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authorAlan Modra <amodra@gmail.com>2016-08-19 11:06:41 +0930
committerAlan Modra <amodra@gmail.com>2016-08-19 11:06:41 +0930
commit8a2058b5e3318a337a6fecd61b91349d1131758e (patch)
treedfa9bedd7bf539614107c9e1ededc173a32b5c18 /bfd/m88kmach3.c
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PR 20472, PowerPC64 ifunc confusion
This patch fixes quite a lot of confusion in allocate_dynrelocs over ifuncs. Function descriptors make ELFv1 quite different to ELFv2. PR 20472 * elf64-ppc.c (ppc64_elf_before_check_relocs): Tweak abiversion test. (readonly_dynrelocs): Comment fix. (global_entry_stub): New function. (ppc64_elf_adjust_dynamic_symbol): Tweak abiversion test. Match ELFv2 code deciding on dynamic relocs vs. global entry stubs to that in size_global_entry_stubs, handling ifunc too. Delete dead weak sym code. (allocate_dynrelocs): Ensure dyn_relocs field is cleared when no dyn_relocs are needed. Correct handling of ifunc dyn_relocs. Tidy ELIMINATE_COPY_RELOCS code, only setting dynindx for undefweak syms. Expand and correct comments. (size_global_entry_stubs): Ensure symbol is defined. (ppc64_elf_relocate_section): Match condition under which dyn_relocs are emitted to that in allocate_dynrelocs.
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