diff options
Diffstat (limited to 'bfd/reloc.c')
| -rw-r--r-- | bfd/reloc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/bfd/reloc.c b/bfd/reloc.c index 9e8735e5ed6..360c1b2799b 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -1560,6 +1560,15 @@ _bfd_relocate_contents (howto, input_bfd, relocation, location) /* We just assume (b & ~ fieldmask) == 0. */ + /* We explicitly permit wrap around if this relocation + covers the high bit of an address. The Linux kernel + relies on it, and it is the only way to write assembler + code which can run when loaded at a location 0x80000000 + away from the location at which it is linked. */ + if (howto->bitsize + rightshift + == bfd_arch_bits_per_address (input_bfd)) + break; + sum = a + b; if (sum < a || (sum & ~ fieldmask) != 0) { |