Index: lld/MachO/SyntheticSections.cpp =================================================================== --- lld/MachO/SyntheticSections.cpp +++ lld/MachO/SyntheticSections.cpp @@ -1253,14 +1253,11 @@ void CodeSignatureSection::writeHashes(uint8_t *buf) const { // NOTE: Changes to this functionality should be repeated in llvm-objcopy's // MachOWriter::writeSignatureData. - uint8_t *code = buf; - uint8_t *codeEnd = buf + fileOff; - uint8_t *hashes = codeEnd + allHeadersSize; - while (code < codeEnd) { - sha256(code, std::min(static_cast(codeEnd - code), blockSize), - hashes); - code += blockSize; - hashes += hashSize; + uint8_t *hashes = buf + fileOff + allHeadersSize; + for (uint64_t i = 0; i < getBlockCount(); ++i) { + sha256(buf + i * blockSize, + std::min(static_cast(fileOff - i * blockSize), blockSize), + hashes + i * hashSize); } #if defined(__APPLE__) // This is macOS-specific work-around and makes no sense for any