Fix stack alignment on thread entry

2023-09-12 02:37:54 +11:00 · 2023-09-12 02:37:54 +11:00 · a81d061652
parent bbdcbb3e7c
commit a81d061652
1 changed files with 2 additions and 0 deletions
--- a/arch/sysv_x86-64/thread-entry.asm
+++ b/arch/sysv_x86-64/thread-entry.asm
@ -44,6 +44,8 @@ _rt_thread_start:
    ; If child, jump to thread function
    pop rax ; thread_fn
    pop rdi ; ctx
+    ; Align the stack
+    and rsp, -16
    call rax
    ; Make return value the first arg and call thread finish routine
    mov rdi, rax