Resolve wasm traps to unit source

docs/setup.md

@@ -46,6 +46,8 @@ UCE also requires two non-vendored dependencies. WASI SDK is load-bearing at run
   - `/opt/wasi-sdk/bin/clang++`
   - `/opt/wasi-sdk/bin/wasm-ld`
   - `/opt/wasi-sdk/bin/llvm-objcopy`
+  - `/opt/wasi-sdk/bin/llvm-nm`
+  - `/opt/wasi-sdk/bin/llvm-dwarfdump`
 
 You can use different install locations by setting environment variables before building and in the systemd service environment:
 
@@ -100,6 +102,8 @@ The expected directories are:
 /opt/wasi-sdk/bin/clang++
 /opt/wasi-sdk/bin/wasm-ld
 /opt/wasi-sdk/bin/llvm-objcopy
+/opt/wasi-sdk/bin/llvm-nm
+/opt/wasi-sdk/bin/llvm-dwarfdump
 ```
 
 Install the WASI SDK:
@@ -135,6 +139,8 @@ test -f /opt/wasmtime/lib/libwasmtime.so
 /opt/wasi-sdk/bin/clang++ --version
 /opt/wasi-sdk/bin/wasm-ld --version
 /opt/wasi-sdk/bin/llvm-objcopy --version
+/opt/wasi-sdk/bin/llvm-nm --version
+/opt/wasi-sdk/bin/llvm-dwarfdump --version
 ```
 
 If your paths differ, export the variables for manual builds:
@@ -687,7 +693,7 @@ Common compile footguns:
 
 - `WASM_COMPILE_SCRIPT` is unset or points at a removed script such as `scripts/compile`; set it to `scripts/compile_wasm_unit`.
 - `scripts/check_unit_wasm.py` is missing or not executable; `scripts/compile_wasm_unit` calls it after linking each unit.
-- `WASI_SDK` does not point at the pinned tree with `clang++`, `wasm-ld`, `llvm-objcopy`, and `llvm-nm`; run `scripts/install_wasi_sdk.sh --check-only`.
+- `WASI_SDK` does not point at the pinned tree with `clang++`, `wasm-ld`, `llvm-objcopy`, `llvm-nm`, and `llvm-dwarfdump`; run `scripts/install_wasi_sdk.sh --check-only`.
 - `WASMTIME_HOME` does not point at a tree with Wasmtime headers and `libwasmtime.so`.
 - A previous failed compile left stale `.compile.txt`, `.wasm-check.txt`, or partial `.wasm` files under `BIN_DIRECTORY`.