Add register dumping for Darwin ARM64, simplify opengl function loading code slightly

src/Logger.c

@@ -457,6 +457,12 @@ static void PrintRegisters(cc_string* str, void* ctx) {
 #elif defined __x86_64__
 	#define REG_GET(reg, ign) &r->__ss.__r##reg
 	Dump_X64()
+#elif defined __aarch64__
+	#define REG_GNUM(num)     &r->__ss.__x[num]
+	#define REG_GET_SP()      &r->__ss.__sp
+	#define REG_GET_IP()      &r->__ss.__pc
+	/* TODO this reads invalid memory */
+	Dump_ARM64()
 #elif defined __arm__
 	#define REG_GNUM(num)     &r->__ss.__r[num]
 	#define REG_GET(reg, ign) &r->__ss.__ ## reg

src/Window_Carbon.c

@@ -798,11 +798,9 @@ void GLContext_Free(void) {
 void* GLContext_GetAddress(const char* function) {
 	static const cc_string glPath = String_FromConst("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL");
 	static void* lib;
-	void* addr;
 
 	if (!lib) lib = DynamicLib_Load2(&glPath);
-	addr = DynamicLib_Get2(lib, function);
+	return DynamicLib_Get2(lib, function);
-	return GLContext_IsInvalidAddress(addr) ? NULL : addr;
 }
 
 cc_bool GLContext_SwapBuffers(void) {

src/Window_Win.c

@@ -651,16 +651,19 @@ void GLContext_Free(void) {
 	ctx_handle = NULL;
 }
 
+/* https://www.khronos.org/opengl/wiki/Load_OpenGL_Functions#Windows */
+#define GLContext_IsInvalidAddress(ptr) (ptr == (void*)0 || ptr == (void*)1 || ptr == (void*)-1 || ptr == (void*)2)
+
 void* GLContext_GetAddress(const char* function) {
 	static const cc_string glPath = String_FromConst("OPENGL32.dll");
 	static void* lib;
+
 	void* addr = (void*)wglGetProcAddress(function);
 	if (!GLContext_IsInvalidAddress(addr)) return addr;
 
 	/* Some drivers return NULL from wglGetProcAddress for core OpenGL functions */
 	if (!lib) lib = DynamicLib_Load2(&glPath);
-	addr = DynamicLib_Get2(lib, function);
+	return DynamicLib_Get2(lib, function);
-	return GLContext_IsInvalidAddress(addr) ? NULL : addr;
 }
 
 cc_bool GLContext_SwapBuffers(void) {

src/Window_X11.c

@@ -1159,8 +1159,7 @@ void GLContext_Free(void) {
 }
 
 void* GLContext_GetAddress(const char* function) {
-	void* addr = (void*)glXGetProcAddress((const GLubyte*)function);
+	return (void*)glXGetProcAddress((const GLubyte*)function);
-	return GLContext_IsInvalidAddress(addr) ? NULL : addr;
 }
 
 cc_bool GLContext_SwapBuffers(void) {

src/_WindowBase.h

@@ -99,7 +99,6 @@ static void InitGraphicsMode(struct GraphicsMode* m) {
 #ifdef CC_BUILD_GL
 /* OpenGL contexts are heavily tied to the window, so for simplicitly are also included here */
 /* EGL is window system agnostic, other OpenGL context backends are tied to one windowing system. */
-#define GLContext_IsInvalidAddress(ptr) (ptr == (void*)0 || ptr == (void*)1 || ptr == (void*)-1 || ptr == (void*)2)
 
 void GLContext_GetAll(const struct DynamicLibSym* syms, int count) {
 	int i;

src/interop_cocoa.m

@@ -606,11 +606,9 @@ void GLContext_Free(void) {
 void* GLContext_GetAddress(const char* function) {
 	static const cc_string glPath = String_FromConst("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL");
 	static void* lib;
-	void* addr;
 
 	if (!lib) lib = DynamicLib_Load2(&glPath);
-	addr = DynamicLib_Get2(lib, function);
+	return DynamicLib_Get2(lib, function);
-	return GLContext_IsInvalidAddress(addr) ? NULL : addr;
 }
 
 cc_bool GLContext_SwapBuffers(void) {