diff options
Diffstat (limited to 'lldb/source/Core/DataExtractor.cpp')
| -rw-r--r-- | lldb/source/Core/DataExtractor.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/lldb/source/Core/DataExtractor.cpp b/lldb/source/Core/DataExtractor.cpp index 8cc2a2890c7..05c43da248e 100644 --- a/lldb/source/Core/DataExtractor.cpp +++ b/lldb/source/Core/DataExtractor.cpp @@ -733,8 +733,11 @@ DataExtractor::GetMaxU64Bitfield (offset_t *offset_ptr, size_t size, uint32_t bi uint64_t uval64 = GetMaxU64 (offset_ptr, size); if (bitfield_bit_size > 0) { - if (bitfield_bit_offset > 0) - uval64 >>= bitfield_bit_offset; + int32_t lsbcount = bitfield_bit_offset; + if (m_byte_order == eByteOrderBig) + lsbcount = size * 8 - bitfield_bit_offset - bitfield_bit_size; + if (lsbcount > 0) + uval64 >>= lsbcount; uint64_t bitfield_mask = ((1ul << bitfield_bit_size) - 1); if (!bitfield_mask && bitfield_bit_offset == 0 && bitfield_bit_size == 64) return uval64; @@ -749,8 +752,11 @@ DataExtractor::GetMaxS64Bitfield (offset_t *offset_ptr, size_t size, uint32_t bi int64_t sval64 = GetMaxS64 (offset_ptr, size); if (bitfield_bit_size > 0) { - if (bitfield_bit_offset > 0) - sval64 >>= bitfield_bit_offset; + int32_t lsbcount = bitfield_bit_offset; + if (m_byte_order == eByteOrderBig) + lsbcount = size * 8 - bitfield_bit_offset - bitfield_bit_size; + if (lsbcount > 0) + sval64 >>= lsbcount; uint64_t bitfield_mask = (((uint64_t)1) << bitfield_bit_size) - 1; sval64 &= bitfield_mask; // sign extend if needed |
