/usr/share/systemtap/runtime/linux/autoconf-mm-context-vdso-base.c is in systemtap-common 2.3-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #include <linux/sched.h>
int context_vdso(struct task_struct *tsk)
{
return (tsk->mm->context.vdso_base == 0L);
}
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