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PowerPC addpcis fix again
In the last patch I said "The patch also fixes overflow checking". In fact, there wasn't anything wrong with the previous code. So, revert that change. The new checks are OK too, so this is just a tidy. * elf64-ppc.c (ppc64_elf_ha_reloc): Revert last change. (ppc64_elf_relocate_section): Likewise.
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@ -1,3 +1,8 @@
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2017-02-28 Alan Modra <amodra@gmail.com>
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* elf64-ppc.c (ppc64_elf_ha_reloc): Revert last change.
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(ppc64_elf_relocate_section): Likewise.
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2017-02-28 Alan Modra <amodra@gmail.com>
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PR 20995
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@ -2529,7 +2529,7 @@ ppc64_elf_ha_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
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enum elf_ppc64_reloc_type r_type;
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long insn;
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bfd_size_type octets;
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bfd_vma value, field;
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bfd_vma value;
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/* If this is a relocatable link (output_bfd test tells us), just
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call the generic function. Any adjustment will be done at final
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@ -2555,14 +2555,14 @@ ppc64_elf_ha_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
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value -= (reloc_entry->address
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+ input_section->output_offset
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+ input_section->output_section->vma);
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field = (bfd_signed_vma) value >> 16;
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value = (bfd_signed_vma) value >> 16;
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octets = reloc_entry->address * bfd_octets_per_byte (abfd);
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insn = bfd_get_32 (abfd, (bfd_byte *) data + octets);
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insn &= ~0x1fffc1;
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insn |= (field & 0xffc1) | ((field & 0x3e) << 15);
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insn |= (value & 0xffc1) | ((value & 0x3e) << 15);
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bfd_put_32 (abfd, insn, (bfd_byte *) data + octets);
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if (value + 0x80000000 > 0xffffffff)
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if (value + 0x8000 > 0xffff)
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return bfd_reloc_overflow;
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return bfd_reloc_ok;
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}
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@ -15255,19 +15255,17 @@ ppc64_elf_relocate_section (bfd *output_bfd,
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r = bfd_reloc_outofrange;
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else
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{
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bfd_signed_vma field;
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relocation += addend;
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relocation -= (rel->r_offset
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+ input_section->output_offset
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+ input_section->output_section->vma);
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field = (bfd_signed_vma) relocation >> 16;
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relocation = (bfd_signed_vma) relocation >> 16;
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insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
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insn &= ~0x1fffc1;
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insn |= (field & 0xffc1) | ((field & 0x3e) << 15);
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insn |= (relocation & 0xffc1) | ((relocation & 0x3e) << 15);
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bfd_put_32 (input_bfd, insn, contents + rel->r_offset);
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r = bfd_reloc_ok;
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if (relocation + 0x80000000 > 0xffffffff)
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if (relocation + 0x8000 > 0xffff)
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r = bfd_reloc_overflow;
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}
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}
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