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authorAmlal El Mahrouss <amlal@nekernel.org>2025-06-11 21:43:45 +0200
committerAmlal El Mahrouss <amlal@nekernel.org>2025-06-11 21:43:45 +0200
commit1ba9d3b0756d2d101906296cbcfeeecc39144cac (patch)
treeeab03f2ac8cf7811f92b91d0a33c912136c66b0a /dev/kernel/src
parente23167fbca0a8802f3058c7ed6e22b7816359427 (diff)
feat: `___chkstk_ms` has been implemented for AMD64 HAL.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
Diffstat (limited to 'dev/kernel/src')
-rw-r--r--dev/kernel/src/CxxAbi-AMD64.cc9
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;