fuck submodules part 3

libraries/back/signal_handler_windows.odin

@@ -0,0 +1,38 @@
+#+vet explicit-allocators
+package back
+
+import     "base:runtime"
+
+import     "core:fmt"
+import     "core:mem"
+import win "core:sys/windows"
+
+_register_segfault_handler :: proc() {
+	win.SetUnhandledExceptionFilter(proc "stdcall" (exception_info: ^win.EXCEPTION_POINTERS) -> win.LONG {
+		context = runtime.default_context()
+
+		space: [16*mem.Kilobyte]byte
+		arena: mem.Arena
+		mem.arena_init(&arena, space[:])
+		allocator := mem.arena_allocator(&arena)
+
+		context.allocator      = allocator
+		context.temp_allocator = allocator
+
+		fmt.eprint("Exception ")
+		if exception_info.ExceptionRecord != nil {
+			fmt.eprintf("(Type: %x, Flags: %x)\n", exception_info.ExceptionRecord.ExceptionCode, exception_info.ExceptionRecord.ExceptionFlags)
+		}
+
+		lines, err := lines(trace(), allocator, allocator)
+		if err != nil {
+			fmt.eprintln("Could not get backtrace: %v", err)
+			return win.EXCEPTION_CONTINUE_SEARCH
+		}
+
+		fmt.eprintln("[back trace]")
+		print(lines, temp_allocator=allocator)
+
+		return win.EXCEPTION_CONTINUE_SEARCH
+	})
+}