diff options
Diffstat (limited to 'reloc_win32.cc')
| -rw-r--r-- | reloc_win32.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/reloc_win32.cc b/reloc_win32.cc index 2f993ad..dcf40bb 100644 --- a/reloc_win32.cc +++ b/reloc_win32.cc @@ -40,7 +40,8 @@ bool RelocRvaReaderWin32::FindRelocBlocks( ConstBufferView reloc_data = image[reloc_region]; reloc_block_offsets->clear(); while (reloc_data.size() >= sizeof(pe::RelocHeader)) { - reloc_block_offsets->push_back(reloc_data.begin() - image.begin()); + reloc_block_offsets->push_back( + base::checked_cast<offset_t>(reloc_data.begin() - image.begin())); auto size = reloc_data.read<pe::RelocHeader>(0).size; // |size| must be aligned to 4-bytes. if (size < sizeof(pe::RelocHeader) || size % 4 || size > reloc_data.size()) @@ -78,7 +79,8 @@ RelocRvaReaderWin32::RelocRvaReaderWin32( return; // Nothing left. // Skip |cur_reloc_units_| to |lo|, truncating up. - offset_t cur_reloc_units_offset = cur_reloc_units_.begin() - image_.begin(); + offset_t cur_reloc_units_offset = + base::checked_cast<offset_t>(cur_reloc_units_.begin() - image_.begin()); if (lo > cur_reloc_units_offset) { offset_t delta = AlignCeil<offset_t>(lo - cur_reloc_units_offset, kRelocUnitSize); @@ -100,7 +102,8 @@ base::Optional<RelocUnitWin32> RelocRvaReaderWin32::GetNext() { if (end_it_ - cur_reloc_units_.begin() < kRelocUnitSize) return base::nullopt; // "Inner loop" to extract single reloc unit. - offset_t location = cur_reloc_units_.begin() - image_.begin(); + offset_t location = + base::checked_cast<offset_t>(cur_reloc_units_.begin() - image_.begin()); uint16_t entry = cur_reloc_units_.read<uint16_t>(0); uint8_t type = static_cast<uint8_t>(entry >> 12); rva_t rva = rva_hi_bits_ + (entry & 0xFFF); |