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-rw-r--r--missing/x86_64-chkstk.s10
1 files changed, 10 insertions, 0 deletions
diff --git a/missing/x86_64-chkstk.s b/missing/x86_64-chkstk.s
new file mode 100644
index 0000000000..6d1227b6d2
--- /dev/null
+++ b/missing/x86_64-chkstk.s
@@ -0,0 +1,10 @@
+ .text
+.globl ___chkstk
+___chkstk:
+ pushq %rax
+ movq %rax, %rcx
+ movq %rsp, %rdx
+ call _ruby_alloca_chkstk
+ popq %rax
+ subq %rax, %rsp
+ ret