From 587325cccf644fce1ccc05e26739d931f12c175c Mon Sep 17 00:00:00 2001
From: Lightos1 <124387232+Lightos1@users.noreply.github.com>
Date: Wed, 15 Jul 2026 19:30:23 +0200
Subject: [PATCH] overlay: remove unwinding stacks to save ram

---
 Source/hoc-clk/overlay/Makefile     |  4 ++--
 Source/hoc-clk/overlay/src/main.cpp | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/Source/hoc-clk/overlay/Makefile b/Source/hoc-clk/overlay/Makefile
index e090282a..979948aa 100644
--- a/Source/hoc-clk/overlay/Makefile
+++ b/Source/hoc-clk/overlay/Makefile
@@ -49,7 +49,7 @@ DEFINES := -DDISABLE_IPC -DTARGET="\"$(TARGET)\"" -DTARGET_VERSION="\"$(TARGET_V
 
 ARCH	:=	-march=armv8-a+crc+crypto -mtune=cortex-a57 -mtp=soft -fPIE
 
-CFLAGS	:=	-Os -Wall -flto -fdata-sections -ffunction-sections -fno-rtti -fno-common \
+CFLAGS	:=	-Os -Wall -flto -fdata-sections -ffunction-sections -fno-rtti -fno-common -fno-asynchronous-unwind-tables -fno-unwind-tables \
 			$(ARCH) $(DEFINES)
 
 CFLAGS	+=	$(INCLUDE) -D__SWITCH__
@@ -67,7 +67,7 @@ CFLAGS += -DUI_OVERRIDE_PATH="\"$(UI_OVERRIDE_PATH)\""
 CXXFLAGS	:= $(CFLAGS) -fno-exceptions -std=gnu++23
 
 ASFLAGS	:=	-g $(ARCH)
-LDFLAGS	=	-specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
+LDFLAGS	=	-specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map),-wrap,__cxa_throw -Wl,-wrap,_Unwind_Resume -Wl,-wrap,__gxx_personality_v0
 
 LIBS := -lcurl -lz -lminizip -lmbedtls -lmbedx509 -lmbedcrypto -ljansson -lnx
 
diff --git a/Source/hoc-clk/overlay/src/main.cpp b/Source/hoc-clk/overlay/src/main.cpp
index 80b311bd..41c411c5 100644
--- a/Source/hoc-clk/overlay/src/main.cpp
+++ b/Source/hoc-clk/overlay/src/main.cpp
@@ -30,6 +30,26 @@
 #include "ui/gui/fatal_gui.h"
 #include "ui/gui/main_gui.h"
 
+extern "C" {
+    // Ty to MasaGratoR for this!
+    // This is done to save some space as they have no practical use in our case
+    void *__real___cxa_throw(void *thrown_exception, void *pvar, void (*dest)(void *));
+    void *__real__Unwind_Resume();
+    void *__real___gxx_personality_v0();
+
+    void __wrap___cxa_throw(void *thrown_exception, void *pvar, void (*dest)(void *)) {
+        abort();
+    }
+
+    void __wrap__Unwind_Resume() {
+        return;
+    }
+
+    void __wrap___gxx_personality_v0() {
+        return;
+    }
+}
+
 class AppOverlay : public tsl::Overlay {
     public:
     AppOverlay() {