Kernel: Cleanup stack alignment assembly

2025-04-20 16:55:18 +03:00
parent 265b4c2b22
commit 99fc7817c6
2 changed files with 6 additions and 8 deletions
--- a/kernel/arch/x86_64/Signal.S
+++ b/kernel/arch/x86_64/Signal.S
@@ -27,14 +27,13 @@ signal_trampoline:
 	movq 120(%rsp), %rax

 	// align stack to 16 bytes
-	movq %rsp, %rbx
-	andq $0x0F, %rbx
-	subq %rbx, %rsp
+	movq %rsp, %rbp
+	andq $-16, %rsp

 	call *%rax

 	// restore stack
-	addq %rbx, %rsp
+	movq %rbp, %rsp
 	popq %r15
 	popq %r14
 	popq %r13