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-rw-r--r--tests/checkasm/aarch64/checkasm.S13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/checkasm/aarch64/checkasm.S b/tests/checkasm/aarch64/checkasm.S
index f0a671e58d..8e4f8c35e4 100644
--- a/tests/checkasm/aarch64/checkasm.S
+++ b/tests/checkasm/aarch64/checkasm.S
@@ -52,6 +52,19 @@ endconst
// max number of args used by any asm function.
#define MAX_ARGS 15
+#define CLOBBER_STACK ((8*MAX_ARGS + 15) & ~15)
+
+function checkasm_stack_clobber, export=1
+ mov x29, sp
+ mov x2, #CLOBBER_STACK
+1:
+ stp x0, x1, [sp, #-16]!
+ subs x2, x2, #16
+ b.gt 1b
+ mov sp, x29
+ ret
+endfunc
+
#define ARG_STACK ((8*(MAX_ARGS - 8) + 15) & ~15)
function checkasm_checked_call, export=1