HOWTO (R_XTENSA_TLS_CALL, 0, 0, 0, FALSE, 0, complain_overflow_dont,
bfd_elf_xtensa_reloc, "R_XTENSA_TLS_CALL",
FALSE, 0, 0, FALSE),
+
+ HOWTO (R_XTENSA_PDIFF8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_xtensa_reloc, "R_XTENSA_PDIFF8", FALSE, 0, 0xff, FALSE),
+ HOWTO (R_XTENSA_PDIFF16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_xtensa_reloc, "R_XTENSA_PDIFF16", FALSE, 0, 0xffff, FALSE),
+ HOWTO (R_XTENSA_PDIFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_xtensa_reloc, "R_XTENSA_PDIFF32", FALSE, 0, 0xffffffff, FALSE),
+
+ HOWTO (R_XTENSA_NDIFF8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_xtensa_reloc, "R_XTENSA_NDIFF8", FALSE, 0, 0xff, FALSE),
+ HOWTO (R_XTENSA_NDIFF16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_xtensa_reloc, "R_XTENSA_NDIFF16", FALSE, 0, 0xffff, FALSE),
+ HOWTO (R_XTENSA_NDIFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_xtensa_reloc, "R_XTENSA_NDIFF32", FALSE, 0, 0xffffffff, FALSE),
};
#if DEBUG_GEN_RELOC
TRACE ("BFD_RELOC_XTENSA_DIFF32");
return &elf_howto_table[(unsigned) R_XTENSA_DIFF32 ];
+ case BFD_RELOC_XTENSA_PDIFF8:
+ TRACE ("BFD_RELOC_XTENSA_PDIFF8");
+ return &elf_howto_table[(unsigned) R_XTENSA_PDIFF8 ];
+
+ case BFD_RELOC_XTENSA_PDIFF16:
+ TRACE ("BFD_RELOC_XTENSA_PDIFF16");
+ return &elf_howto_table[(unsigned) R_XTENSA_PDIFF16 ];
+
+ case BFD_RELOC_XTENSA_PDIFF32:
+ TRACE ("BFD_RELOC_XTENSA_PDIFF32");
+ return &elf_howto_table[(unsigned) R_XTENSA_PDIFF32 ];
+
+ case BFD_RELOC_XTENSA_NDIFF8:
+ TRACE ("BFD_RELOC_XTENSA_NDIFF8");
+ return &elf_howto_table[(unsigned) R_XTENSA_NDIFF8 ];
+
+ case BFD_RELOC_XTENSA_NDIFF16:
+ TRACE ("BFD_RELOC_XTENSA_NDIFF16");
+ return &elf_howto_table[(unsigned) R_XTENSA_NDIFF16 ];
+
+ case BFD_RELOC_XTENSA_NDIFF32:
+ TRACE ("BFD_RELOC_XTENSA_NDIFF32");
+ return &elf_howto_table[(unsigned) R_XTENSA_NDIFF32 ];
+
case BFD_RELOC_XTENSA_RTLD:
TRACE ("BFD_RELOC_XTENSA_RTLD");
return &elf_howto_table[(unsigned) R_XTENSA_RTLD ];
case R_XTENSA_DIFF8:
case R_XTENSA_DIFF16:
case R_XTENSA_DIFF32:
+ case R_XTENSA_PDIFF8:
+ case R_XTENSA_PDIFF16:
+ case R_XTENSA_PDIFF32:
+ case R_XTENSA_NDIFF8:
+ case R_XTENSA_NDIFF16:
+ case R_XTENSA_NDIFF32:
case R_XTENSA_TLS_FUNC:
case R_XTENSA_TLS_ARG:
case R_XTENSA_TLS_CALL:
if (r_type == R_XTENSA_DIFF8
|| r_type == R_XTENSA_DIFF16
- || r_type == R_XTENSA_DIFF32)
+ || r_type == R_XTENSA_DIFF32
+ || r_type == R_XTENSA_PDIFF8
+ || r_type == R_XTENSA_PDIFF16
+ || r_type == R_XTENSA_PDIFF32
+ || r_type == R_XTENSA_NDIFF8
+ || r_type == R_XTENSA_NDIFF16
+ || r_type == R_XTENSA_NDIFF32)
{
bfd_signed_vma diff_value = 0;
bfd_vma new_end_offset, diff_mask = 0;
switch (r_type)
{
case R_XTENSA_DIFF8:
+ diff_mask = 0x7f;
diff_value =
bfd_get_signed_8 (abfd, &contents[old_source_offset]);
break;
case R_XTENSA_DIFF16:
+ diff_mask = 0x7fff;
diff_value =
bfd_get_signed_16 (abfd, &contents[old_source_offset]);
break;
case R_XTENSA_DIFF32:
+ diff_mask = 0x7fffffff;
diff_value =
bfd_get_signed_32 (abfd, &contents[old_source_offset]);
break;
+ case R_XTENSA_PDIFF8:
+ case R_XTENSA_NDIFF8:
+ diff_mask = 0xff;
+ diff_value =
+ bfd_get_8 (abfd, &contents[old_source_offset]);
+ break;
+ case R_XTENSA_PDIFF16:
+ case R_XTENSA_NDIFF16:
+ diff_mask = 0xffff;
+ diff_value =
+ bfd_get_16 (abfd, &contents[old_source_offset]);
+ break;
+ case R_XTENSA_PDIFF32:
+ case R_XTENSA_NDIFF32:
+ diff_mask = 0xffffffff;
+ diff_value =
+ bfd_get_32 (abfd, &contents[old_source_offset]);
+ break;
}
+ if (r_type >= R_XTENSA_NDIFF8
+ && r_type <= R_XTENSA_NDIFF32
+ && diff_value)
+ diff_value |= ~diff_mask;
+
new_end_offset = offset_with_removed_text_map
(&target_relax_info->action_list,
r_rel.target_offset + diff_value);
switch (r_type)
{
case R_XTENSA_DIFF8:
- diff_mask = 0x7f;
bfd_put_signed_8 (abfd, diff_value,
&contents[old_source_offset]);
break;
case R_XTENSA_DIFF16:
- diff_mask = 0x7fff;
bfd_put_signed_16 (abfd, diff_value,
&contents[old_source_offset]);
break;
case R_XTENSA_DIFF32:
- diff_mask = 0x7fffffff;
bfd_put_signed_32 (abfd, diff_value,
&contents[old_source_offset]);
break;
+ case R_XTENSA_PDIFF8:
+ case R_XTENSA_NDIFF8:
+ bfd_put_8 (abfd, diff_value,
+ &contents[old_source_offset]);
+ break;
+ case R_XTENSA_PDIFF16:
+ case R_XTENSA_NDIFF16:
+ bfd_put_16 (abfd, diff_value,
+ &contents[old_source_offset]);
+ break;
+ case R_XTENSA_PDIFF32:
+ case R_XTENSA_NDIFF32:
+ bfd_put_32 (abfd, diff_value,
+ &contents[old_source_offset]);
+ break;
}
- /* Check for overflow. Sign bits must be all zeroes or all ones */
- if ((diff_value & ~diff_mask) != 0 &&
- (diff_value & ~diff_mask) != (-1 & ~diff_mask))
+ /* Check for overflow. Sign bits must be all zeroes or
+ all ones. When sign bits are all ones diff_value
+ may not be zero. */
+ if (((diff_value & ~diff_mask) != 0
+ && (diff_value & ~diff_mask) != ~diff_mask)
+ || (diff_value && (bfd_vma) diff_value == ~diff_mask))
{
(*link_info->callbacks->reloc_dangerous)
(link_info, _("overflow after relaxation"),