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Diffstat (limited to 'third_party/rust/wasmparser/src/limits.rs')
| -rw-r--r-- | third_party/rust/wasmparser/src/limits.rs | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/third_party/rust/wasmparser/src/limits.rs b/third_party/rust/wasmparser/src/limits.rs new file mode 100644 index 0000000000..e9ab7d06a6 --- /dev/null +++ b/third_party/rust/wasmparser/src/limits.rs @@ -0,0 +1,57 @@ +/* Copyright 2017 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// The following limits are imposed by wasmparser on WebAssembly modules. +// The limits are agreed upon with other engines for consistency. +pub const MAX_WASM_TYPES: usize = 1_000_000; +pub const MAX_WASM_FUNCTIONS: usize = 1_000_000; +pub const MAX_WASM_EXPORTS: usize = 100_000; +pub const MAX_WASM_GLOBALS: usize = 1_000_000; +pub const MAX_WASM_ELEMENT_SEGMENTS: usize = 100_000; +pub const MAX_WASM_DATA_SEGMENTS: usize = 100_000; +pub const MAX_WASM_MEMORY32_PAGES: u64 = 65536; +pub const MAX_WASM_MEMORY64_PAGES: u64 = 1 << 48; +pub const MAX_WASM_STRING_SIZE: usize = 100_000; +pub const MAX_WASM_FUNCTION_SIZE: usize = 128 * 1024; +pub const MAX_WASM_FUNCTION_LOCALS: usize = 50000; +pub const MAX_WASM_FUNCTION_PARAMS: usize = 1000; +pub const MAX_WASM_FUNCTION_RETURNS: usize = 1000; +pub const _MAX_WASM_TABLE_SIZE: usize = 10_000_000; +pub const MAX_WASM_TABLE_ENTRIES: usize = 10_000_000; +pub const MAX_WASM_TABLES: usize = 100; +pub const MAX_WASM_MEMORIES: usize = 100; +pub const MAX_WASM_TAGS: usize = 1_000_000; +pub const MAX_WASM_BR_TABLE_SIZE: usize = MAX_WASM_FUNCTION_SIZE; + +// Component-related limits +pub const MAX_WASM_MODULE_SIZE: usize = 1024 * 1024 * 1024; //= 1 GiB +pub const MAX_WASM_MODULE_TYPE_DECLS: usize = 100_000; +pub const MAX_WASM_COMPONENT_TYPE_DECLS: usize = 100_000; +pub const MAX_WASM_INSTANCE_TYPE_DECLS: usize = 100_000; +pub const MAX_WASM_RECORD_FIELDS: usize = 1000; +pub const MAX_WASM_VARIANT_CASES: usize = 1000; +pub const MAX_WASM_TUPLE_TYPES: usize = 1000; +pub const MAX_WASM_FLAG_NAMES: usize = 1000; +pub const MAX_WASM_ENUM_CASES: usize = 1000; +pub const MAX_WASM_UNION_TYPES: usize = 1000; +pub const MAX_WASM_INSTANTIATION_EXPORTS: usize = 1000; +pub const MAX_WASM_CANONICAL_OPTIONS: usize = 10; +pub const MAX_WASM_INSTANTIATION_ARGS: usize = 1000; +pub const MAX_WASM_START_ARGS: usize = 1000; +pub const MAX_WASM_TYPE_SIZE: u32 = 1_000_000; +pub const MAX_WASM_MODULES: usize = 1_000; +pub const MAX_WASM_COMPONENTS: usize = 1_000; +pub const MAX_WASM_INSTANCES: usize = 1_000; +pub const MAX_WASM_VALUES: usize = 1_000; |