feat: `___chkstk_ms` has been implemented for AMD64 HAL.

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

1 files changed, 8 insertions, 1 deletions

diff --git a/dev/kernel/src/CxxAbi-AMD64.cc b/dev/kernel/src/CxxAbi-AMD64.cc
index 5b0f7c3c..30c8306e 100644
--- a/dev/kernel/src/CxxAbi-AMD64.cc
+++ b/dev/kernel/src/CxxAbi-AMD64.cc
@@ -24,7 +24,14 @@ EXTERN_C Kernel::Void __cxa_pure_virtual(void* self) {
   (Kernel::Void)(Kernel::kout << ", has unimplemented virtual functions.\r");
 }
 
-EXTERN_C void ___chkstk_ms(void) {}
+EXTERN_C void ___chkstk_ms(PtrDiff frame_size) {
+  char* sp;
+  asm volatile("mov %%rsp, %0" : "=r"(sp));
+
+  for (PtrDiff offset = kPageSize; offset < frame_size; offset += kPageSize) {
+    sp[-offset] = 0;
+  }
+}
 
 EXTERN_C int atexit(void (*f)()) {
   if (__atexit_func_count >= kAtExitMacDestructors) return 1;