diff options
Diffstat (limited to 'deps/v8/src/wasm/wasm-limits.h')
| -rw-r--r-- | deps/v8/src/wasm/wasm-limits.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/deps/v8/src/wasm/wasm-limits.h b/deps/v8/src/wasm/wasm-limits.h index db99313e07..0fed6e9628 100644 --- a/deps/v8/src/wasm/wasm-limits.h +++ b/deps/v8/src/wasm/wasm-limits.h @@ -27,7 +27,7 @@ constexpr size_t kV8MaxWasmGlobals = 1000000; constexpr size_t kV8MaxWasmExceptions = 1000000; constexpr size_t kV8MaxWasmExceptionTypes = 1000000; constexpr size_t kV8MaxWasmDataSegments = 100000; -// Don't use this limit directly, but use the value of FLAG_wasm_max_mem_pages. +// Don't use this limit directly, but use the value of {max_mem_pages()}. constexpr size_t kV8MaxWasmMemoryPages = 32767; // = ~ 2 GiB constexpr size_t kV8MaxWasmStringSize = 100000; constexpr size_t kV8MaxWasmModuleSize = 1024 * 1024 * 1024; // = 1 GiB @@ -46,17 +46,20 @@ static_assert(kV8MaxWasmMemoryPages <= kSpecMaxWasmMemoryPages, "v8 should not be more permissive than the spec"); constexpr size_t kSpecMaxWasmTableSize = 0xFFFFFFFFu; -constexpr uint64_t kV8MaxWasmMemoryBytes = - kV8MaxWasmMemoryPages * uint64_t{kWasmPageSize}; - -constexpr uint64_t kSpecMaxWasmMemoryBytes = - kSpecMaxWasmMemoryPages * uint64_t{kWasmPageSize}; - constexpr uint64_t kWasmMaxHeapOffset = static_cast<uint64_t>( std::numeric_limits<uint32_t>::max()) // maximum base value + std::numeric_limits<uint32_t>::max(); // maximum index value +// Defined in wasm-engine.cc. +// TODO(wasm): Make this size_t for wasm64. Currently the --wasm-max-mem-pages +// flag is only uint32_t. +uint32_t max_mem_pages(); + +inline uint64_t max_mem_bytes() { + return uint64_t{max_mem_pages()} * kWasmPageSize; +} + } // namespace wasm } // namespace internal } // namespace v8 |