diff options
Diffstat (limited to 'src/binary-writer.cc')
| -rw-r--r-- | src/binary-writer.cc | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/binary-writer.cc b/src/binary-writer.cc index a94eb147..60863d62 100644 --- a/src/binary-writer.cc +++ b/src/binary-writer.cc @@ -64,11 +64,18 @@ void WriteType(Stream* stream, Type type, const char* desc) { } } -void WriteLimits(Stream* stream, const Limits* limits) { +void WriteLimitsFlags(Stream* stream, uint32_t flags) { + WriteU32Leb128(stream, flags, "limits: flags"); +} + +uint32_t ComputeLimitsFlags(const Limits* limits) { uint32_t flags = limits->has_max ? WABT_BINARY_LIMITS_HAS_MAX_FLAG : 0; flags |= limits->is_shared ? WABT_BINARY_LIMITS_IS_SHARED_FLAG : 0; flags |= limits->is_64 ? WABT_BINARY_LIMITS_IS_64_FLAG : 0; - WriteU32Leb128(stream, flags, "limits: flags"); + return flags; +} + +void WriteLimitsData(Stream* stream, const Limits* limits) { if (limits->is_64) { WriteU64Leb128(stream, limits->initial, "limits: initial"); if (limits->has_max) { @@ -1157,11 +1164,19 @@ void BinaryWriter::WriteFunc(const Func* func) { void BinaryWriter::WriteTable(const Table* table) { WriteType(stream_, table->elem_type); - WriteLimits(stream_, &table->elem_limits); + WriteLimitsFlags(stream_, ComputeLimitsFlags(&table->elem_limits)); + WriteLimitsData(stream_, &table->elem_limits); } void BinaryWriter::WriteMemory(const Memory* memory) { - WriteLimits(stream_, &memory->page_limits); + uint32_t flags = ComputeLimitsFlags(&memory->page_limits); + const bool custom_page_size = memory->page_size != WABT_DEFAULT_PAGE_SIZE; + flags |= custom_page_size ? WABT_BINARY_LIMITS_HAS_CUSTOM_PAGE_SIZE_FLAG : 0; + WriteLimitsFlags(stream_, flags); + WriteLimitsData(stream_, &memory->page_limits); + if (custom_page_size) { + WriteU32Leb128(stream_, log2_u32(memory->page_size), "memory page size"); + } } void BinaryWriter::WriteGlobalHeader(const Global* global) { |