diff options
Diffstat (limited to 'llvm/lib/MC/WasmObjectWriter.cpp')
| -rw-r--r-- | llvm/lib/MC/WasmObjectWriter.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/MC/WasmObjectWriter.cpp b/llvm/lib/MC/WasmObjectWriter.cpp index 6444046a30d..ae66829741b 100644 --- a/llvm/lib/MC/WasmObjectWriter.cpp +++ b/llvm/lib/MC/WasmObjectWriter.cpp @@ -913,12 +913,14 @@ void WasmObjectWriter::writeObject(MCAssembler &Asm, // For now, always emit the memory section, since loads and stores are not // valid without it. In the future, we could perhaps be more clever and omit // it if there are no loads or stores. - startSection(Section, wasm::WASM_SEC_MEMORY); + uint32_t NumPages = + (DataBytes.size() + wasm::WasmPageSize - 1) / wasm::WasmPageSize; + startSection(Section, wasm::WASM_SEC_MEMORY); encodeULEB128(1, getStream()); // number of memory spaces encodeULEB128(0, getStream()); // flags - encodeULEB128(DataBytes.size(), getStream()); // initial + encodeULEB128(NumPages, getStream()); // initial endSection(Section); |
