Method from_mach_reloc

cranelift/module/src/module.rs:40–67

Converts a `FinalizedMachReloc` produced from a `Function` into a `ModuleReloc`.

(
        mach_reloc: &FinalizedMachReloc,
        func: &Function,
        func_id: FuncId,
    )

impl ModuleReloc {
    /// Converts a `FinalizedMachReloc` produced from a `Function` into a `ModuleReloc`.
    pub fn from_mach_reloc(
        mach_reloc: &FinalizedMachReloc,
        func: &Function,
        func_id: FuncId,
    ) -> Self {
        let name = match mach_reloc.target {
            FinalizedRelocTarget::ExternalName(ExternalName::User(reff)) => {
                let name = &func.params.user_named_funcs()[reff];
                ModuleRelocTarget::user(name.namespace, name.index)
            }
            FinalizedRelocTarget::ExternalName(ExternalName::TestCase(_)) => unimplemented!(),
            FinalizedRelocTarget::ExternalName(ExternalName::LibCall(libcall)) => {
                ModuleRelocTarget::LibCall(libcall)
            }
            FinalizedRelocTarget::ExternalName(ExternalName::KnownSymbol(ks)) => {
                ModuleRelocTarget::KnownSymbol(ks)
            }
            FinalizedRelocTarget::Func(offset) => {
                ModuleRelocTarget::FunctionOffset(func_id, offset)
            }
        };
        Self {
            offset: mach_reloc.offset,
            kind: mach_reloc.kind,
            name,
            addend: mach_reloc.addend,
        }
    }
}

/// A function identifier for use in the `Module` interface.