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| author | Alan Modra <amodra@gmail.com> | 2020-11-30 19:19:00 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2020-12-01 11:26:35 +1030 |
| commit | 5160d0f323d47031cb73c39a4dbd31d8976b4c8e (patch) | |
| tree | 59710941879e3598ddc359511388a9a5384ef271 /bfd/elf64-ppc.c | |
| parent | 3ca6a4e547924828ec1428eda78217b30fae809c (diff) | |
| download | gdb-5160d0f323d47031cb73c39a4dbd31d8976b4c8e.zip gdb-5160d0f323d47031cb73c39a4dbd31d8976b4c8e.tar.gz gdb-5160d0f323d47031cb73c39a4dbd31d8976b4c8e.tar.bz2 | |
PR26979, Visibility of undefined foo@v1 should constrain foo@@v1
Also, undefined foo should constrain the visibility of foo@@v1 just as
it does for a later plain foo definition.
bfd/
PR 26979
* elf-bfd.h (elf_backend_merge_symbol_attribute): Update prototype.
* elf32-m68hc1x.h (elf32_m68hc11_merge_symbol_attribute): Likewise.
* elfxx-mips.h (_bfd_mips_elf_merge_symbol_attribute): Likewise.
* elfxx-x86.h (_bfd_x86_elf_merge_symbol_attribute): Likewise.
* elf32-m68hc1x.c (elf32_m68hc11_merge_symbol_attribute): Replace
isym parameter with st_other. Adjust code.
* elf64-alpha.c (elf64_alpha_merge_symbol_attribute): Likewise.
* elf64-ppc.c (ppc64_elf_merge_symbol_attribute): Likewise.
* elfnn-aarch64.c (elfNN_aarch64_merge_symbol_attribute): Likewise.
* elfxx-mips.c (_bfd_mips_elf_merge_symbol_attribute): Likewise.
* elfxx-x86.c (_bfd_x86_elf_merge_symbol_attribute): Likewise.
* elflink.c (elf_merge_st_other): Likewise.
(_bfd_elf_merge_symbol, elf_link_add_object_symbols): Adjust to suit.
(_bfd_elf_copy_link_hash_symbol_type): Likewise.
(_bfd_elf_add_default_symbol): Merge st_other from undecorated
symbol and @VER symbol to @@VER symbol.
ld/
* testsuite/ld-elf/pr26979a.s,
* testsuite/ld-elf/pr26979b.s,
* testsuite/ld-elf/pr26979c.s,
* testsuite/ld-elf/pr26979.ver,
* testsuite/ld-elf/pr26979a.d,
* testsuite/ld-elf/pr26979b.d: New tests.
Diffstat (limited to 'bfd/elf64-ppc.c')
| -rw-r--r-- | bfd/elf64-ppc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c index 157c454..9e59217 100644 --- a/bfd/elf64-ppc.c +++ b/bfd/elf64-ppc.c @@ -4152,12 +4152,12 @@ ppc64_elf_add_symbol_hook (bfd *ibfd, static void ppc64_elf_merge_symbol_attribute (struct elf_link_hash_entry *h, - const Elf_Internal_Sym *isym, + unsigned int st_other, bfd_boolean definition, bfd_boolean dynamic) { if (definition && (!dynamic || !h->def_regular)) - h->other = ((isym->st_other & ~ELF_ST_VISIBILITY (-1)) + h->other = ((st_other & ~ELF_ST_VISIBILITY (-1)) | ELF_ST_VISIBILITY (h->other)); } |