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SUSE:SLE-12:Update
gdb.5814
gdb-rhbz1420304-s390x-01of35.patch
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File gdb-rhbz1420304-s390x-01of35.patch of Package gdb.5814
commit d7ab4911f8aa3e1cd06ece40f74d0b4a532d6a10 Author: Andreas Krebbel <krebbel@linux.vnet.ibm.com> Date: Mon May 8 19:10:42 2017 +0200 S/390: Fix ifunc missing runtime reloc This fixes a problem with a missing R_390_64 reloc against .data for a function pointer to an ifunc function. No regressions on s390x. Pushed to mainline. bfd/ChangeLog: 2017-05-08 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * elf-s390-common.c: Don't check non_got_ref flag. * elf32-s390.c (elf_s390_relocate_section): Likewise. * elf64-s390.c (elf_s390_relocate_section): Likewise. --- a/bfd/elf-s390-common.c +++ b/bfd/elf-s390-common.c @@ -161,9 +161,7 @@ keep: h->type = STT_FUNC; } - /* We need dynamic relocation for STT_GNU_IFUNC symbol only when - there is a non-GOT reference in a shared object. */ - if (!bfd_link_pic (info) || !h->non_got_ref) + if (!bfd_link_pic (info)) *head = NULL; /* Finally, allocate space. */ --- a/bfd/elf32-s390.c +++ b/bfd/elf32-s390.c @@ -2774,7 +2774,7 @@ elf_s390_relocate_section (bfd *output_bfd, && s390_is_ifunc_symbol_p (h) && h->def_regular) { - if (!bfd_link_pic (info) || !h->non_got_ref) + if (!bfd_link_pic (info)) { /* For a non-shared object STT_GNU_IFUNC symbol must go through PLT. */ --- a/bfd/elf64-s390.c +++ b/bfd/elf64-s390.c @@ -2737,10 +2737,11 @@ elf_s390_relocate_section (bfd *output_bfd, && s390_is_ifunc_symbol_p (h) && h->def_regular) { - if (!bfd_link_pic (info) || !h->non_got_ref) + if (!bfd_link_pic (info)) { - /* For a non-shared object STT_GNU_IFUNC symbol must - go through PLT. */ + /* For a non-shared object the symbol will not + change. Hence we can write the address of the + target IPLT slot now. */ relocation = (htab->elf.iplt->output_section->vma + htab->elf.iplt->output_offset + h ->plt.offset);
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