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authorAlan Modra <amodra@gmail.com>2017-11-02 12:09:34 +1030
committerAlan Modra <amodra@gmail.com>2017-11-05 09:37:33 +1030
commit2e684e75ae3939f5f14fb89ca8a300b610d093dd (patch)
treec8dffc5f098fcacae31a8e363d141d7f73116b77 /ltsugar.m4
parent127e8e9f62ed0e7145dfa1172c6253275fc150dd (diff)
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hppa-linux TLS relocs
This patch fixes various problems with TLS relocations. 1) Report an error if a symbol has both TLS and normal GOT entries. 2) The GOT entry size calculation was obscure and made use of the fact that a symbol shouldn't have both normal and TLS GOT entries. 3) The second word of a GD GOT entry sometimes omitted a dynamic reloc, which was fine except that doing so makes it impossible for ld.so to differentiate GD and LD entries. Also, a NONE reloc was emitted. 4) Unnecessary relocs were emitted for GOT entries. 5) GOT relocs didn't take note of UNDEFWEAK_NO_DYNAMIC_RELOC. * elf32-hppa.c (enum _tls_type): Move. (struct elf32_hppa_link_hash_entry): Make tls_type a bitfield. (elf32_hppa_check_relocs): Set DF_STATIC_TLS only for shared libraries. Tidy tls_type handling. Set symbol tls_type for GOT_TLS_LDM too. (got_entries_needed, got_relocs_needed): New functions. (allocate_dynrelocs): Use them. (elf32_hppa_size_dynamic_sections): Likewise. (elf32_hppa_relocate_section): Delete bogus FIXME. Formatting. Correct code emitting relocs on GD/IE got entries. Report an error when a symbol has both normal and TLS GOT relocs.
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