From 96140b0d163d18c0158f29b2063307efad918e18 Mon Sep 17 00:00:00 2001
From: mrb0nk500 <b0nk@b0nk.xyz>
Date: Mon, 30 Jan 2023 11:25:36 -0400
Subject: Global: Add necessary files to test linking

---
 src/Runtime/__init_cpp_exceptions.cpp | 52 +++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/Runtime/__init_cpp_exceptions.cpp

(limited to 'src/Runtime/__init_cpp_exceptions.cpp')

diff --git a/src/Runtime/__init_cpp_exceptions.cpp b/src/Runtime/__init_cpp_exceptions.cpp
new file mode 100644
index 0000000..937cc79
--- /dev/null
+++ b/src/Runtime/__init_cpp_exceptions.cpp
@@ -0,0 +1,52 @@
+// This file was taken from the Metroid Prime decompilation project.
+// https://github.com/PrimeDecomp/prime/blob/main/src/Runtime/__init_cpp_exceptions.cpp
+#include "NMWException.h"
+#include "__ppc_eabi_linker.h"
+
+static int fragmentID = -2;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void __init_cpp_exceptions(void);
+extern void __fini_cpp_exceptions(void);
+extern void suspend(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+/* clang-format off */
+static asm char* GetR2() {
+  nofralloc;
+  mr r3, r2
+  blr
+}
+/* clang-format on */
+
+extern void __init_cpp_exceptions(void) {
+  char* R2;
+  if (fragmentID == -2) {
+
+    R2 = GetR2();
+
+    /* HACK: TODO: _eti_init_info should be _eti_init_info, we can't use the appropriate name yet due to the
+     * linker not being able to generate it*/
+    fragmentID = __register_fragment(_eti_init_info, R2);
+  }
+}
+
+extern void __fini_cpp_exceptions(void) {
+  if (fragmentID != -2) {
+    __unregister_fragment(fragmentID);
+    fragmentID = -2;
+  }
+}
+
+__declspec(section
+           ".ctors") static void* const __init_cpp_exceptions_reference = __init_cpp_exceptions;
+__declspec(section
+           ".dtors") static void* const __destroy_global_chain_reference = __destroy_global_chain;
+__declspec(section
+           ".dtors") static void* const __fini_cpp_exceptions_reference = __fini_cpp_exceptions;
-- 
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