diff options
Diffstat (limited to 'src/asm2wasm-main.cpp')
| -rw-r--r-- | src/asm2wasm-main.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/asm2wasm-main.cpp b/src/asm2wasm-main.cpp index 5ab8bb0cf..73f6853d8 100644 --- a/src/asm2wasm-main.cpp +++ b/src/asm2wasm-main.cpp @@ -58,6 +58,11 @@ int main(int argc, const char *argv[]) { const auto &tm_it = options.extra.find("total memory"); size_t totalMemory = tm_it == options.extra.end() ? 16 * 1024 * 1024 : atoi(tm_it->second.c_str()); + if (totalMemory & ~Memory::kPageMask) { + std::cerr << "Error: total memory size " << totalMemory << + " is not a multiple of the 64k wasm page size\n"; + exit(EXIT_FAILURE); + } Asm2WasmPreProcessor pre; auto input( @@ -75,7 +80,7 @@ int main(int argc, const char *argv[]) { if (options.debug) std::cerr << "wasming..." << std::endl; AllocatingModule wasm; - wasm.memory.initial = wasm.memory.max = totalMemory; + wasm.memory.initial = wasm.memory.max = totalMemory / Memory::kPageSize; Asm2WasmBuilder asm2wasm(wasm, pre.memoryGrowth, options.debug); asm2wasm.processAsm(asmjs); |