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If the destination of a BLX instruction is aligned on a half word boundary,

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set the H bit.
This commit is contained in:
Nick Clifton 2000-08-04 00:07:42 +00:00
parent 24ffec7ab8
commit dcb5e6e634
1 changed files with 15 additions and 6 deletions
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21
bfd/elf32-arm.h
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@ -1259,22 +1259,31 @@ elf32_arm_final_link_relocate (howto, input_bfd, output_bfd,
}
}
/* Perform a signed range check. */
signed_addend = value;
signed_addend >>= howto->rightshift;
/* It is not an error for an undefined weak reference to be
out of range. Any program that branches to such a symbol
is going to crash anyway, so there is no point worrying
about getting the destination exactly right. */
if (! h || h->root.type != bfd_link_hash_undefweak)
{
/* Perform a signed range check. */
signed_addend = value;
signed_addend >>= howto->rightshift;
if (signed_addend > ((bfd_signed_vma)(howto->dst_mask >> 1))
if ( signed_addend > ((bfd_signed_vma) (howto->dst_mask >> 1))
|| signed_addend < - ((bfd_signed_vma) ((howto->dst_mask + 1) >> 1)))
return bfd_reloc_overflow;
}
value = (signed_addend & howto->dst_mask)
| (bfd_get_32 (input_bfd, hit_data) & (~ howto->dst_mask));
#ifndef OLD_ARM_ABI
/* If necessary set the H bit in the BLX instruction. */
if (r_type == R_ARM_XPC25 && ((value & 2) == 2))
value = (signed_addend & howto->dst_mask)
| (bfd_get_32 (input_bfd, hit_data) & (~ howto->dst_mask))
| (1 << 24);
else
#endif
value = (signed_addend & howto->dst_mask)
| (bfd_get_32 (input_bfd, hit_data) & (~ howto->dst_mask));
break;
case R_ARM_ABS32: