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PowerPC64 abort due to dynamic relocs on hidden undefweak

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ppc64_elf_relocate_section lacked a check which meant that it emitted
dynamic relocs against a hidden undefweak symbol for which no dynamic
relocs had been allocated.

	PR 21224
	PR 20519
	* elf64-ppc.c (ppc64_elf_relocate_section): Add missing
	dyn_relocs check.
This commit is contained in:
Alan Modra 2017-03-07 11:04:19 +10:30
parent bb98f85480
commit b1b07054c0
2 changed files with 11 additions and 2 deletions
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7
bfd/ChangeLog
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@ -1,3 +1,10 @@
2017-03-07 Alan Modra <amodra@gmail.com>
PR 21224
PR 20519
* elf64-ppc.c (ppc64_elf_relocate_section): Add missing
dyn_relocs check.
2017-03-05 Alan Modra <amodra@gmail.com>
* elf-bfd.h (struct eh_cie_fde): Add u.cie.per_encoding_aligned8.

6
bfd/elf64-ppc.c
View File

@ -14804,8 +14804,10 @@ ppc64_elf_relocate_section (bfd *output_bfd,
break;
if (bfd_link_pic (info)
? ((h != NULL && pc_dynrelocs (h))
|| must_be_dyn_reloc (info, r_type))
? ((h == NULL
|| h->dyn_relocs != NULL)
&& ((h != NULL && pc_dynrelocs (h))
|| must_be_dyn_reloc (info, r_type)))
: (h != NULL
? h->dyn_relocs != NULL
: ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC))