Add back in __gxx_personality_v0

src/library.js

@@ -405,13 +405,6 @@ mergeInto(LibraryManager.library, {
     abort('Assertion failed: ' + UTF8ToString(condition) + ', at: ' + [filename ? UTF8ToString(filename) : 'unknown filename', line, func ? UTF8ToString(func) : 'unknown function']);
   },
 
-  // TODO: Remove this when Rust doesn't need it anymore.
-  // https://github.com/rust-lang/rust/pull/97888
-  __gxx_personality_v0: function() {
-    console.warn("__gxx_personality_v0 called", arguments);
-    abort("__gxx_personality_v0 called");
-  },
-
   // ==========================================================================
   // time.h
   // ==========================================================================

system/lib/libcxxabi/src/gxx_personality_stub.cpp

@@ -0,0 +1,20 @@
+#include <stdint.h>
+#include <stdlib.h>
+
+
+#include "cxa_exception.h"
+#include "cxa_handlers.h"
+#include "emscripten.h"
+
+
+
+// TODO: Remove this when Rust doesn't need it anymore.
+// https://github.com/rust-lang/rust/pull/97888
+extern "C" _LIBCXXABI_FUNC_VIS _Unwind_Reason_Code
+__gxx_personality_v0(int version,
+                     _Unwind_Action actions,
+                     uint64_t exceptionClass,
+                     _Unwind_Exception* unwind_exception,
+                     _Unwind_Context* context) {
+    abort();
+}

tests/test_other.py

@@ -12130,15 +12130,16 @@ def test_print_map(self):
   def test_rust_gxx_personality_v0(self):
     create_file('main.cpp', r'''
       #include <stdio.h>
+      #include <stdint.h>
       extern "C" {
-        void __gxx_personality_v0();
-        void rust_eh_personality(){
-          __gxx_personality_v0();
+        int __gxx_personality_v0(int version, void* actions, uint64_t exception_class, void* exception_object, void* context);
+        int rust_eh_personality(int version, void* actions, uint64_t exception_class, void* exception_object, void* context){
+          return __gxx_personality_v0(version, actions, exception_class, exception_object, context);
         }
         int main(int argc, char** argv) {
           printf("result: %d\n", argc);
           if(argc == 2){
-            rust_eh_personality();
+            rust_eh_personality(0, NULL, 0, NULL, NULL);
           }
           return 0;
         }
@@ -12154,5 +12155,5 @@ def test_rust_gxx_personality_v0(self):
       raise RuntimeError('should not have passed')
     except AssertionError as e:
       err = e
-    assert "__gxx_personality_v0 called" in err.args[0]
+    assert "Aborted(native code called abort())" in err.args[0]
     del err

tools/system_libs.py

@@ -1227,6 +1227,7 @@ def get_files(self):
       'stdlib_typeinfo.cpp',
       'private_typeinfo.cpp',
       'cxa_exception_emscripten.cpp',
+      'gxx_personality_stub.cpp',
     ]
     if self.eh_mode == Exceptions.NONE:
       filenames += ['cxa_noexception.cpp']