feat: kernel: abi: __cxa_guard inside CxxABI (AMD64)

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

2 files changed, 10 insertions, 9 deletions

diff --git a/dev/kernel/HALKit/AMD64/CxxAbi.cc b/dev/kernel/HALKit/AMD64/CxxAbi.cc
index cd135abc..9dc87545 100644
--- a/dev/kernel/HALKit/AMD64/CxxAbi.cc
+++ b/dev/kernel/HALKit/AMD64/CxxAbi.cc
@@ -62,17 +62,18 @@ EXTERN_C void __cxa_finalize(void* f) {
 }
 
 namespace cxxabiv1 {
-EXTERN_C int __cxa_guard_acquire(__guard* g) {
-  (void) g;
+EXTERN_C int __cxa_guard_acquire(__guard g) {
+  if ((*g & 1) || (*g && 2)) return 1;
+  *g |= 2;
   return 0;
 }
 
-EXTERN_C int __cxa_guard_release(__guard* g) {
-  *(char*) g = 1;
-  return 0;
+EXTERN_C void __cxa_guard_release(__guard g) {
+  *g |= 1;
+  *g &= 2;
 }
 
-EXTERN_C void __cxa_guard_abort(__guard* g) {
-  (void) g;
+EXTERN_C void __cxa_guard_abort(__guard g) {
+  *g &= ~2;
 }
 }  // namespace cxxabiv1
diff --git a/dev/kernel/NeKit/CxxAbi.h b/dev/kernel/NeKit/CxxAbi.h
index 164a257d..5abdf76a 100644
--- a/dev/kernel/NeKit/CxxAbi.h
+++ b/dev/kernel/NeKit/CxxAbi.h
@@ -17,10 +17,10 @@ struct atexit_func_entry_t {
   void* dso_handle;
 };
 
-typedef unsigned uarch_t;
+typedef Kernel::UInt32 uarch_t;
 
 namespace cxxabiv1 {
-typedef void* __guard;
+  typedef Kernel::SizeT* __guard;
 }
 
 #endif  // __GNUC__