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use crate::functions::FunctionSpec;
use crate::module_data::ModuleData;
use crate::tables::TableElement;
use crate::version_info::VersionInfo;

pub const LUCET_MODULE_SYM: &str = "lucet_module";

/// Module is the exposed structure that contains all the data backing a Lucet-compiled object.
#[derive(Debug)]
pub struct Module<'a> {
    pub version: VersionInfo,
    pub module_data: ModuleData<'a>,
    pub tables: &'a [&'a [TableElement]],
    pub function_manifest: &'a [FunctionSpec],
}

/// SerializedModule is a serialization-friendly form of Module, in that the `module_data_*` fields
/// here refer to a serialized `ModuleData`, while `tables_*` and `function_manifest_*` refer to
/// the actual tables and function manifest written in the binary.
#[repr(C)]
#[derive(Debug)]
pub struct SerializedModule {
    pub version: VersionInfo,
    pub module_data_ptr: u64,
    pub module_data_len: u64,
    pub tables_ptr: u64,
    pub tables_len: u64,
    pub function_manifest_ptr: u64,
    pub function_manifest_len: u64,
}