Enum VtableSlot 

#[repr(u32)]
pub enum VtableSlot {
    RelonStrContains = 0,
    RelonCallNative = 1,
    RelonF64ToStr = 2,
}

One slot per host helper the LLVM codegen indirects through, in the same order cranelift pins them in its data-vtable. Adding a new helper appends a variant (NEVER reorder existing variants).

Slot	cranelift analogue	LLVM symbol
0	RelonGlobMatch (slot 3)	relon_llvm_str_contains_arena
1	RelonCallNative (slot 4)	relon_llvm_call_native
2	RelonF64ToStr (slot 5)	relon_llvm_f64_to_str

cranelift’s slots 0..=2 (RelonNow / RelonRaiseTrap / RelonCapLookup) have no LLVM counterpart: the LLVM gate is an inline caps-bitmask test baked into the object by Op::CheckCap (no cap_lookup helper), trap codes are written directly to ArenaState::trap_code by the helper / trap arm (no raise_trap helper), and the deadline clock (now) is reserved for the LLVM deadline work. Only the two helpers the LLVM emitter actually declares as externs are represented here.

Variants

RelonStrContains = 0

extern "C" fn(s_ptr: *const u8, n_ptr: *const u8) -> i32. Tier-2 substring matcher; the LLVM mirror of cranelift’s RelonGlobMatch. Declared lazily on the first Op::Call { contains } site.

RelonCallNative = 1

extern "C" fn(state: *const ArenaState, import_idx: u32, args_ptr: *const i64, arg_count: u32) -> i64. Dynamic host-fn dispatch; the LLVM mirror of cranelift’s RelonCallNative. See [crate::state::relon_llvm_call_native].

RelonF64ToStr = 2

extern "C" fn(bits: i64, dest: *mut u8) -> i32. Wave B float Display renderer; the LLVM mirror of cranelift’s RelonF64ToStr. Declared lazily on the first Op::FloatToStr site. See crate::str_helpers::relon_llvm_f64_to_str.

Implementations

impl VtableSlot

pub const COUNT: u32 = 3

Number of slots the LLVM emitter can declare. Mirrors cranelift’s VtableSlot::COUNT; bumping it needs a matching variant + a populate_global_mappings arm.

pub const ALL: [VtableSlot; 3]

All slots, in declaration order. Used by populate_global_mappings and the parity tests.

pub fn symbol(self) -> &'static str

Stable symbol name the emitted LLVM module declares this helper under. The host binds it via add_global_mapping (JIT) or the linker resolves it against relon-rs-shims (native object).

pub fn host_addr(self) -> usize

Host-side address of the helper backing this slot, as a usize suitable for ExecutionEngine::add_global_mapping. The cranelift analogue is the *const u8 fn pointer populate_vtable writes into the data slot.

Trait Implementations

impl Clone for VtableSlot

fn clone(&self) -> VtableSlot

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for VtableSlot

impl Debug for VtableSlot

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for VtableSlot

impl PartialEq for VtableSlot

fn eq(&self, other: &VtableSlot) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for VtableSlot