zig

commit 0ecc6332b4eb1ced547ffa38f57471134aaa4d13 (tree)
parent f021ad548fd8ad6c7d8d8ea7e7c409c695dce1e5
Author: Alex Rønne Petersen <alex@alexrp.com>
Date:   Thu, 29 Aug 2024 16:07:46 +0200

start: Fix arm stack alignment code to work for thumb too.

Diffstat:
M
lib/std/start.zig
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/std/start.zig b/lib/std/start.zig
@@ -283,7 +283,9 @@ fn _start() callconv(.Naked) noreturn {
             \\ mov fp, #0
             \\ mov lr, #0
             \\ mov a1, sp
-            \\ and sp, #-16
+            \\ mov ip, sp
+            \\ and ip, ip, #-16
+            \\ mov sp, ip
             \\ b %[posixCallMainAndExit]
             ,
             .csky =>