diff options
Diffstat (limited to 'dev/kernel/src')
| -rw-r--r-- | dev/kernel/src/CxxAbi-AMD64.cc | 9 |
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; |