Files
wasmtime/crates/jit/src/trampoline.rs

59 lines
1.9 KiB
Rust

#![allow(missing_docs)]
pub mod ir {
pub use cranelift_codegen::ir::{
ExternalName, Function, InstBuilder, MemFlags, StackSlotData, StackSlotKind,
};
}
pub use cranelift_codegen::print_errors::pretty_error;
pub use cranelift_codegen::Context;
pub use cranelift_frontend::{FunctionBuilder, FunctionBuilderContext};
pub mod binemit {
pub use cranelift_codegen::binemit::NullTrapSink;
pub use cranelift_codegen::binemit::{CodeOffset, NullStackmapSink, TrapSink};
use cranelift_codegen::{binemit, ir};
/// We don't expect trampoline compilation to produce any relocations, so
/// this `RelocSink` just asserts that it doesn't recieve any.
pub struct TrampolineRelocSink {}
impl binemit::RelocSink for TrampolineRelocSink {
fn reloc_block(
&mut self,
_offset: binemit::CodeOffset,
_reloc: binemit::Reloc,
_block_offset: binemit::CodeOffset,
) {
panic!("trampoline compilation should not produce block relocs");
}
fn reloc_external(
&mut self,
_offset: binemit::CodeOffset,
_srcloc: ir::SourceLoc,
_reloc: binemit::Reloc,
_name: &ir::ExternalName,
_addend: binemit::Addend,
) {
panic!("trampoline compilation should not produce external symbol relocs");
}
fn reloc_constant(
&mut self,
_code_offset: binemit::CodeOffset,
_reloc: binemit::Reloc,
_constant_offset: ir::ConstantOffset,
) {
panic!("trampoline compilation should not produce constant relocs");
}
fn reloc_jt(
&mut self,
_offset: binemit::CodeOffset,
_reloc: binemit::Reloc,
_jt: ir::JumpTable,
) {
panic!("trampoline compilation should not produce jump table relocs");
}
}
}