Support vtune profiling of trampolines too (#3687)

* Provide helpers for demangling function names

* Profile trampolines in vtune too

* get rid of mapping

* avoid code duplication with jitdump_linux

* maintain previous default display name for wasm functions

* no dash, grrr

* Remove unused profiling error type

crates/jit/src/lib.rs

@@ -22,6 +22,7 @@
 
 mod code_memory;
 mod debug;
+mod demangling;
 mod instantiate;
 mod link;
 mod mmap_vec;
@@ -34,6 +35,7 @@ pub use crate::instantiate::{
     SymbolizeContext, TypeTables,
 };
 pub use crate::mmap_vec::MmapVec;
+pub use demangling::*;
 pub use profiling::*;
 
 /// Version number of this crate.