Multi version exec dummy func stack sandwitch

.cursorignore

@@ -0,0 +1,16 @@
+./target
+./bin
+./docs
+.vscode
+.github
+.cargo
+./ykllvm/build
+./ykllvm/llvm/build
+./ykllvm/llvm/build/bin
+./ykllvm/llvm/build/lib
+./ykllvm/llvm/build/lib/libLLVM.a
+./ykllvm/llvm/build/lib/libLLVM.dylib
+./ykllvm/llvm/build/lib/libLLVM.so
+./ykllvm/llvm/build/lib/libLLVM.so.1
+./ykllvm/llvm/build/lib/libLLVM.so.1.0
+

.vscode/settings.json

@@ -0,0 +1,85 @@
+{
+    "files.associations": {
+        "algorithm": "cpp",
+        "cmath": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "string": "cpp",
+        "typeinfo": "cpp",
+        "cstdlib": "cpp",
+        "limits": "cpp",
+        "new": "cpp",
+        "type_traits": "cpp",
+        "vector": "cpp",
+        "__bit_reference": "cpp",
+        "__config": "cpp",
+        "__hash_table": "cpp",
+        "__locale": "cpp",
+        "__node_handle": "cpp",
+        "__split_buffer": "cpp",
+        "__threading_support": "cpp",
+        "__tree": "cpp",
+        "__verbose_abort": "cpp",
+        "array": "cpp",
+        "bitset": "cpp",
+        "cctype": "cpp",
+        "charconv": "cpp",
+        "clocale": "cpp",
+        "codecvt": "cpp",
+        "condition_variable": "cpp",
+        "cstdarg": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "propagate_const": "cpp",
+        "forward_list": "cpp",
+        "fstream": "cpp",
+        "initializer_list": "cpp",
+        "iomanip": "cpp",
+        "ios": "cpp",
+        "iosfwd": "cpp",
+        "istream": "cpp",
+        "list": "cpp",
+        "locale": "cpp",
+        "map": "cpp",
+        "mutex": "cpp",
+        "numbers": "cpp",
+        "optional": "cpp",
+        "ostream": "cpp",
+        "queue": "cpp",
+        "ratio": "cpp",
+        "semaphore": "cpp",
+        "set": "cpp",
+        "shared_mutex": "cpp",
+        "sstream": "cpp",
+        "stdexcept": "cpp",
+        "streambuf": "cpp",
+        "string_view": "cpp",
+        "tuple": "cpp",
+        "unordered_map": "cpp",
+        "unordered_set": "cpp",
+        "variant": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "*.tcc": "cpp",
+        "chrono": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "coroutine": "cpp",
+        "exception": "cpp",
+        "functional": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "numeric": "cpp",
+        "random": "cpp",
+        "system_error": "cpp",
+        "utility": "cpp",
+        "stop_token": "cpp",
+        "thread": "cpp",
+        "cinttypes": "cpp"
+    }
+}

comms.gdb

@@ -0,0 +1,22 @@
+set logging enabled on
+set breakpoint pending on
+
+# break ykrt::trace::swt::cp::debug_return_into_unopt_cp
+# break ykrt::trace::swt::cp::debug_return_into_opt_cp
+
+break ykrt::trace::mt
+# break __yk_clone_main
+break main
+
+break simple2.c:23.c:17
+break simple.c:44.c:17
+# break buffered_vfprintf
+
+# break before cp
+break *0x0000000000202b9a
+# break after cp
+break *0x0000000000202b9d
+
+break ykrt/src/mt.rs:428
+
+# break ykcapi::__ykrt_control_point_real