Module runtime

This module contains executor state of the WASM code.

Re-exports

pub use stack::RuntimeStack;

pub use stack::RuntimeStackFrame;

pub use stack::RuntimeStackOverflow;

Modules

cryptography

Cryptography module containing hashing functions used internally by the execution engine

stack

Runtime stacks.

Structs

Runtime

Represents the runtime properties of a WASM execution.

Enums

PreprocessingError

An error emitted by the Wasm preprocessor.

WasmValidationError

An error emitted by the Wasm preprocessor.

Constants

DEFAULT_BR_TABLE_MAX_SIZE

Maximum number of elements that can appear as immediate value to the br_table instruction.

DEFAULT_MAX_GLOBALS

Maximum number of global a module is allowed to declare.

DEFAULT_MAX_PARAMETER_COUNT

Maximum number of parameters a function can have.

DEFAULT_MAX_TABLE_SIZE

We only allow maximum of 4k function pointers in a table section.

Functions

cycles_for_instruction

Returns the cost of executing a single instruction.

preprocess

Preprocesses Wasm bytes and returns a module.