[WIP] Implement exception handling support

Author: bjorn3

Diff for: Cargo.lock

@@ -18,6 +18,7 @@ target-lexicon = "0.13"
 gimli = { version = "0.31", default-features = false, features = ["write"] }
 object = { version = "0.36", default-features = false, features = ["std", "read_core", "write", "archive", "coff", "elf", "macho", "pe"] }
 
+eh_frame_experiments = { git = "http://github.com/bjorn3/eh_frame_experiments.git", branch = "update_gimli" }
 indexmap = "2.0.0"
 libloading = { version = "0.8.0", optional = true }
 smallvec = "1.8.1"
@@ -39,8 +40,6 @@ cranelift-object = { git = "https://github.com/bytecodealliance/wasmtime.git", b
 #cranelift-jit = { path = "../wasmtime/cranelift/jit" }
 #cranelift-object = { path = "../wasmtime/cranelift/object" }
 
-#gimli = { path = "../" }
-
 [features]
 # Enable features not ready to be enabled when compiling as part of rustc
 unstable-features = ["jit", "inline_asm_sym"]

Diff for: Cargo.toml

@@ -19,7 +19,14 @@ use std::io::Write;
 use std::ops::Coroutine;
 
 fn main() {
-    println!("{:?}", std::env::args().collect::<Vec<_>>());
+    println!(
+        "{:?}",
+        std::panic::catch_unwind(|| {
+            panic!("foo");
+        })
+    );
+
+    return;
 
     let mutex = std::sync::Mutex::new(());
     let _guard = mutex.lock().unwrap();